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authororivej <orivej@yandex-team.ru>2022-02-10 16:44:49 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:44:49 +0300
commit718c552901d703c502ccbefdfc3c9028d608b947 (patch)
tree46534a98bbefcd7b1f3faa5b52c138ab27db75b7 /contrib/libs/curl/lib/vssh
parente9656aae26e0358d5378e5b63dcac5c8dbe0e4d0 (diff)
downloadydb-718c552901d703c502ccbefdfc3c9028d608b947.tar.gz
Restoring authorship annotation for <orivej@yandex-team.ru>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/curl/lib/vssh')
-rw-r--r--contrib/libs/curl/lib/vssh/libssh.c5388
-rw-r--r--contrib/libs/curl/lib/vssh/libssh2.c6178
2 files changed, 5783 insertions, 5783 deletions
diff --git a/contrib/libs/curl/lib/vssh/libssh.c b/contrib/libs/curl/lib/vssh/libssh.c
index 87d6187544..538bd61d30 100644
--- a/contrib/libs/curl/lib/vssh/libssh.c
+++ b/contrib/libs/curl/lib/vssh/libssh.c
@@ -1,102 +1,102 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
* Copyright (C) 2017 - 2020 Red Hat, Inc.
- *
- * Authors: Nikos Mavrogiannopoulos, Tomas Mraz, Stanislav Zidek,
- * Robert Kolcun, Andreas Schneider
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
+ *
+ * Authors: Nikos Mavrogiannopoulos, Tomas Mraz, Stanislav Zidek,
+ * Robert Kolcun, Andreas Schneider
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#ifdef USE_LIBSSH
-
-#include <limits.h>
-
-#error #include <libssh/libssh.h>
-#error #include <libssh/sftp.h>
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_UTSNAME_H
-#include <sys/utsname.h>
-#endif
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#ifdef __VMS
-#include <in.h>
-#include <inet.h>
-#endif
-
-#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
-#undef in_addr_t
-#define in_addr_t unsigned long
-#endif
-
-#include <curl/curl.h>
-#include "urldata.h"
-#include "sendf.h"
-#include "hostip.h"
-#include "progress.h"
-#include "transfer.h"
-#include "escape.h"
-#include "http.h" /* for HTTP proxy tunnel stuff */
-#include "ssh.h"
-#include "url.h"
-#include "speedcheck.h"
-#include "getinfo.h"
-#include "strdup.h"
-#include "strcase.h"
-#include "vtls/vtls.h"
-#include "connect.h"
-#include "strerror.h"
-#include "inet_ntop.h"
-#include "parsedate.h" /* for the week day and month names */
-#include "sockaddr.h" /* required for Curl_sockaddr_storage */
-#include "strtoofft.h"
-#include "multiif.h"
-#include "select.h"
-#include "warnless.h"
-
-/* for permission and open flags */
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-
-/* The last 3 #include files should be in this order */
-#include "curl_printf.h"
-#include "curl_memory.h"
-#include "memdebug.h"
-#include "curl_path.h"
-
-/* A recent macro provided by libssh. Or make our own. */
-#ifndef SSH_STRING_FREE_CHAR
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+#include "curl_setup.h"
+
+#ifdef USE_LIBSSH
+
+#include <limits.h>
+
+#error #include <libssh/libssh.h>
+#error #include <libssh/sftp.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "ssh.h"
+#include "url.h"
+#include "speedcheck.h"
+#include "getinfo.h"
+#include "strdup.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "inet_ntop.h"
+#include "parsedate.h" /* for the week day and month names */
+#include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "strtoofft.h"
+#include "multiif.h"
+#include "select.h"
+#include "warnless.h"
+
+/* for permission and open flags */
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+#include "curl_path.h"
+
+/* A recent macro provided by libssh. Or make our own. */
+#ifndef SSH_STRING_FREE_CHAR
#define SSH_STRING_FREE_CHAR(x) \
do { \
if(x) { \
@@ -104,235 +104,235 @@
x = NULL; \
} \
} while(0)
-#endif
-
-/* Local functions: */
-static CURLcode myssh_connect(struct connectdata *conn, bool *done);
-static CURLcode myssh_multi_statemach(struct connectdata *conn,
- bool *done);
-static CURLcode myssh_do_it(struct connectdata *conn, bool *done);
-
-static CURLcode scp_done(struct connectdata *conn,
- CURLcode, bool premature);
-static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done);
-static CURLcode scp_disconnect(struct connectdata *conn,
- bool dead_connection);
-
-static CURLcode sftp_done(struct connectdata *conn,
- CURLcode, bool premature);
-static CURLcode sftp_doing(struct connectdata *conn,
- bool *dophase_done);
-static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
-static
-CURLcode sftp_perform(struct connectdata *conn,
- bool *connected,
- bool *dophase_done);
-
-static void sftp_quote(struct connectdata *conn);
-static void sftp_quote_stat(struct connectdata *conn);
-static int myssh_getsock(struct connectdata *conn, curl_socket_t *sock);
-static int myssh_perform_getsock(const struct connectdata *conn,
- curl_socket_t *sock);
-
-static CURLcode myssh_setup_connection(struct connectdata *conn);
-
-/*
- * SCP protocol handler.
- */
-
-const struct Curl_handler Curl_handler_scp = {
- "SCP", /* scheme */
- myssh_setup_connection, /* setup_connection */
- myssh_do_it, /* do_it */
- scp_done, /* done */
- ZERO_NULL, /* do_more */
- myssh_connect, /* connect_it */
- myssh_multi_statemach, /* connecting */
- scp_doing, /* doing */
- myssh_getsock, /* proto_getsock */
- myssh_getsock, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- myssh_perform_getsock, /* perform_getsock */
- scp_disconnect, /* disconnect */
- ZERO_NULL, /* readwrite */
- ZERO_NULL, /* connection_check */
- PORT_SSH, /* defport */
- CURLPROTO_SCP, /* protocol */
+#endif
+
+/* Local functions: */
+static CURLcode myssh_connect(struct connectdata *conn, bool *done);
+static CURLcode myssh_multi_statemach(struct connectdata *conn,
+ bool *done);
+static CURLcode myssh_do_it(struct connectdata *conn, bool *done);
+
+static CURLcode scp_done(struct connectdata *conn,
+ CURLcode, bool premature);
+static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done);
+static CURLcode scp_disconnect(struct connectdata *conn,
+ bool dead_connection);
+
+static CURLcode sftp_done(struct connectdata *conn,
+ CURLcode, bool premature);
+static CURLcode sftp_doing(struct connectdata *conn,
+ bool *dophase_done);
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
+static
+CURLcode sftp_perform(struct connectdata *conn,
+ bool *connected,
+ bool *dophase_done);
+
+static void sftp_quote(struct connectdata *conn);
+static void sftp_quote_stat(struct connectdata *conn);
+static int myssh_getsock(struct connectdata *conn, curl_socket_t *sock);
+static int myssh_perform_getsock(const struct connectdata *conn,
+ curl_socket_t *sock);
+
+static CURLcode myssh_setup_connection(struct connectdata *conn);
+
+/*
+ * SCP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_scp = {
+ "SCP", /* scheme */
+ myssh_setup_connection, /* setup_connection */
+ myssh_do_it, /* do_it */
+ scp_done, /* done */
+ ZERO_NULL, /* do_more */
+ myssh_connect, /* connect_it */
+ myssh_multi_statemach, /* connecting */
+ scp_doing, /* doing */
+ myssh_getsock, /* proto_getsock */
+ myssh_getsock, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
+ myssh_perform_getsock, /* perform_getsock */
+ scp_disconnect, /* disconnect */
+ ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
+ PORT_SSH, /* defport */
+ CURLPROTO_SCP, /* protocol */
CURLPROTO_SCP, /* family */
- PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION | PROTOPT_NOURLQUERY /* flags */
-};
-
-/*
- * SFTP protocol handler.
- */
-
-const struct Curl_handler Curl_handler_sftp = {
- "SFTP", /* scheme */
- myssh_setup_connection, /* setup_connection */
- myssh_do_it, /* do_it */
- sftp_done, /* done */
- ZERO_NULL, /* do_more */
- myssh_connect, /* connect_it */
- myssh_multi_statemach, /* connecting */
- sftp_doing, /* doing */
- myssh_getsock, /* proto_getsock */
- myssh_getsock, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- myssh_perform_getsock, /* perform_getsock */
- sftp_disconnect, /* disconnect */
- ZERO_NULL, /* readwrite */
- ZERO_NULL, /* connection_check */
- PORT_SSH, /* defport */
- CURLPROTO_SFTP, /* protocol */
+ PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION | PROTOPT_NOURLQUERY /* flags */
+};
+
+/*
+ * SFTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_sftp = {
+ "SFTP", /* scheme */
+ myssh_setup_connection, /* setup_connection */
+ myssh_do_it, /* do_it */
+ sftp_done, /* done */
+ ZERO_NULL, /* do_more */
+ myssh_connect, /* connect_it */
+ myssh_multi_statemach, /* connecting */
+ sftp_doing, /* doing */
+ myssh_getsock, /* proto_getsock */
+ myssh_getsock, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
+ myssh_perform_getsock, /* perform_getsock */
+ sftp_disconnect, /* disconnect */
+ ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
+ PORT_SSH, /* defport */
+ CURLPROTO_SFTP, /* protocol */
CURLPROTO_SFTP, /* family */
- PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
- | PROTOPT_NOURLQUERY /* flags */
-};
-
-static CURLcode sftp_error_to_CURLE(int err)
-{
- switch(err) {
- case SSH_FX_OK:
- return CURLE_OK;
-
- case SSH_FX_NO_SUCH_FILE:
- case SSH_FX_NO_SUCH_PATH:
- return CURLE_REMOTE_FILE_NOT_FOUND;
-
- case SSH_FX_PERMISSION_DENIED:
- case SSH_FX_WRITE_PROTECT:
- return CURLE_REMOTE_ACCESS_DENIED;
-
- case SSH_FX_FILE_ALREADY_EXISTS:
- return CURLE_REMOTE_FILE_EXISTS;
-
- default:
- break;
- }
-
- return CURLE_SSH;
-}
-
-#ifndef DEBUGBUILD
-#define state(x,y) mystate(x,y)
-#else
-#define state(x,y) mystate(x,y, __LINE__)
-#endif
-
-/*
- * SSH State machine related code
- */
-/* This is the ONLY way to change SSH state! */
-static void mystate(struct connectdata *conn, sshstate nowstate
-#ifdef DEBUGBUILD
- , int lineno
-#endif
- )
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
-#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
- /* for debug purposes */
- static const char *const names[] = {
- "SSH_STOP",
- "SSH_INIT",
- "SSH_S_STARTUP",
- "SSH_HOSTKEY",
- "SSH_AUTHLIST",
- "SSH_AUTH_PKEY_INIT",
- "SSH_AUTH_PKEY",
- "SSH_AUTH_PASS_INIT",
- "SSH_AUTH_PASS",
- "SSH_AUTH_AGENT_INIT",
- "SSH_AUTH_AGENT_LIST",
- "SSH_AUTH_AGENT",
- "SSH_AUTH_HOST_INIT",
- "SSH_AUTH_HOST",
- "SSH_AUTH_KEY_INIT",
- "SSH_AUTH_KEY",
- "SSH_AUTH_GSSAPI",
- "SSH_AUTH_DONE",
- "SSH_SFTP_INIT",
- "SSH_SFTP_REALPATH",
- "SSH_SFTP_QUOTE_INIT",
- "SSH_SFTP_POSTQUOTE_INIT",
- "SSH_SFTP_QUOTE",
- "SSH_SFTP_NEXT_QUOTE",
- "SSH_SFTP_QUOTE_STAT",
- "SSH_SFTP_QUOTE_SETSTAT",
- "SSH_SFTP_QUOTE_SYMLINK",
- "SSH_SFTP_QUOTE_MKDIR",
- "SSH_SFTP_QUOTE_RENAME",
- "SSH_SFTP_QUOTE_RMDIR",
- "SSH_SFTP_QUOTE_UNLINK",
- "SSH_SFTP_QUOTE_STATVFS",
- "SSH_SFTP_GETINFO",
- "SSH_SFTP_FILETIME",
- "SSH_SFTP_TRANS_INIT",
- "SSH_SFTP_UPLOAD_INIT",
- "SSH_SFTP_CREATE_DIRS_INIT",
- "SSH_SFTP_CREATE_DIRS",
- "SSH_SFTP_CREATE_DIRS_MKDIR",
- "SSH_SFTP_READDIR_INIT",
- "SSH_SFTP_READDIR",
- "SSH_SFTP_READDIR_LINK",
- "SSH_SFTP_READDIR_BOTTOM",
- "SSH_SFTP_READDIR_DONE",
- "SSH_SFTP_DOWNLOAD_INIT",
- "SSH_SFTP_DOWNLOAD_STAT",
- "SSH_SFTP_CLOSE",
- "SSH_SFTP_SHUTDOWN",
- "SSH_SCP_TRANS_INIT",
- "SSH_SCP_UPLOAD_INIT",
- "SSH_SCP_DOWNLOAD_INIT",
- "SSH_SCP_DOWNLOAD",
- "SSH_SCP_DONE",
- "SSH_SCP_SEND_EOF",
- "SSH_SCP_WAIT_EOF",
- "SSH_SCP_WAIT_CLOSE",
- "SSH_SCP_CHANNEL_FREE",
- "SSH_SESSION_DISCONNECT",
- "SSH_SESSION_FREE",
- "QUIT"
- };
-
-
- if(sshc->state != nowstate) {
- infof(conn->data, "SSH %p state change from %s to %s (line %d)\n",
- (void *) sshc, names[sshc->state], names[nowstate],
- lineno);
- }
-#endif
-
- sshc->state = nowstate;
-}
-
-/* Multiple options:
- * 1. data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5] is set with an MD5
- * hash (90s style auth, not sure we should have it here)
- * 2. data->set.ssh_keyfunc callback is set. Then we do trust on first
- * use. We even save on knownhosts if CURLKHSTAT_FINE_ADD_TO_FILE
- * is returned by it.
- * 3. none of the above. We only accept if it is present on known hosts.
- *
- * Returns SSH_OK or SSH_ERROR.
- */
-static int myssh_is_known(struct connectdata *conn)
-{
- int rc;
- struct Curl_easy *data = conn->data;
- struct ssh_conn *sshc = &conn->proto.sshc;
- ssh_key pubkey;
- size_t hlen;
- unsigned char *hash = NULL;
+ PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+ | PROTOPT_NOURLQUERY /* flags */
+};
+
+static CURLcode sftp_error_to_CURLE(int err)
+{
+ switch(err) {
+ case SSH_FX_OK:
+ return CURLE_OK;
+
+ case SSH_FX_NO_SUCH_FILE:
+ case SSH_FX_NO_SUCH_PATH:
+ return CURLE_REMOTE_FILE_NOT_FOUND;
+
+ case SSH_FX_PERMISSION_DENIED:
+ case SSH_FX_WRITE_PROTECT:
+ return CURLE_REMOTE_ACCESS_DENIED;
+
+ case SSH_FX_FILE_ALREADY_EXISTS:
+ return CURLE_REMOTE_FILE_EXISTS;
+
+ default:
+ break;
+ }
+
+ return CURLE_SSH;
+}
+
+#ifndef DEBUGBUILD
+#define state(x,y) mystate(x,y)
+#else
+#define state(x,y) mystate(x,y, __LINE__)
+#endif
+
+/*
+ * SSH State machine related code
+ */
+/* This is the ONLY way to change SSH state! */
+static void mystate(struct connectdata *conn, sshstate nowstate
+#ifdef DEBUGBUILD
+ , int lineno
+#endif
+ )
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+ /* for debug purposes */
+ static const char *const names[] = {
+ "SSH_STOP",
+ "SSH_INIT",
+ "SSH_S_STARTUP",
+ "SSH_HOSTKEY",
+ "SSH_AUTHLIST",
+ "SSH_AUTH_PKEY_INIT",
+ "SSH_AUTH_PKEY",
+ "SSH_AUTH_PASS_INIT",
+ "SSH_AUTH_PASS",
+ "SSH_AUTH_AGENT_INIT",
+ "SSH_AUTH_AGENT_LIST",
+ "SSH_AUTH_AGENT",
+ "SSH_AUTH_HOST_INIT",
+ "SSH_AUTH_HOST",
+ "SSH_AUTH_KEY_INIT",
+ "SSH_AUTH_KEY",
+ "SSH_AUTH_GSSAPI",
+ "SSH_AUTH_DONE",
+ "SSH_SFTP_INIT",
+ "SSH_SFTP_REALPATH",
+ "SSH_SFTP_QUOTE_INIT",
+ "SSH_SFTP_POSTQUOTE_INIT",
+ "SSH_SFTP_QUOTE",
+ "SSH_SFTP_NEXT_QUOTE",
+ "SSH_SFTP_QUOTE_STAT",
+ "SSH_SFTP_QUOTE_SETSTAT",
+ "SSH_SFTP_QUOTE_SYMLINK",
+ "SSH_SFTP_QUOTE_MKDIR",
+ "SSH_SFTP_QUOTE_RENAME",
+ "SSH_SFTP_QUOTE_RMDIR",
+ "SSH_SFTP_QUOTE_UNLINK",
+ "SSH_SFTP_QUOTE_STATVFS",
+ "SSH_SFTP_GETINFO",
+ "SSH_SFTP_FILETIME",
+ "SSH_SFTP_TRANS_INIT",
+ "SSH_SFTP_UPLOAD_INIT",
+ "SSH_SFTP_CREATE_DIRS_INIT",
+ "SSH_SFTP_CREATE_DIRS",
+ "SSH_SFTP_CREATE_DIRS_MKDIR",
+ "SSH_SFTP_READDIR_INIT",
+ "SSH_SFTP_READDIR",
+ "SSH_SFTP_READDIR_LINK",
+ "SSH_SFTP_READDIR_BOTTOM",
+ "SSH_SFTP_READDIR_DONE",
+ "SSH_SFTP_DOWNLOAD_INIT",
+ "SSH_SFTP_DOWNLOAD_STAT",
+ "SSH_SFTP_CLOSE",
+ "SSH_SFTP_SHUTDOWN",
+ "SSH_SCP_TRANS_INIT",
+ "SSH_SCP_UPLOAD_INIT",
+ "SSH_SCP_DOWNLOAD_INIT",
+ "SSH_SCP_DOWNLOAD",
+ "SSH_SCP_DONE",
+ "SSH_SCP_SEND_EOF",
+ "SSH_SCP_WAIT_EOF",
+ "SSH_SCP_WAIT_CLOSE",
+ "SSH_SCP_CHANNEL_FREE",
+ "SSH_SESSION_DISCONNECT",
+ "SSH_SESSION_FREE",
+ "QUIT"
+ };
+
+
+ if(sshc->state != nowstate) {
+ infof(conn->data, "SSH %p state change from %s to %s (line %d)\n",
+ (void *) sshc, names[sshc->state], names[nowstate],
+ lineno);
+ }
+#endif
+
+ sshc->state = nowstate;
+}
+
+/* Multiple options:
+ * 1. data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5] is set with an MD5
+ * hash (90s style auth, not sure we should have it here)
+ * 2. data->set.ssh_keyfunc callback is set. Then we do trust on first
+ * use. We even save on knownhosts if CURLKHSTAT_FINE_ADD_TO_FILE
+ * is returned by it.
+ * 3. none of the above. We only accept if it is present on known hosts.
+ *
+ * Returns SSH_OK or SSH_ERROR.
+ */
+static int myssh_is_known(struct connectdata *conn)
+{
+ int rc;
+ struct Curl_easy *data = conn->data;
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ ssh_key pubkey;
+ size_t hlen;
+ unsigned char *hash = NULL;
char *found_base64 = NULL;
char *known_base64 = NULL;
- int vstate;
- enum curl_khmatch keymatch;
- struct curl_khkey foundkey;
+ int vstate;
+ enum curl_khmatch keymatch;
+ struct curl_khkey foundkey;
struct curl_khkey *knownkeyp = NULL;
- curl_sshkeycallback func =
- data->set.ssh_keyfunc;
-
+ curl_sshkeycallback func =
+ data->set.ssh_keyfunc;
+
#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,9,0)
struct ssh_knownhosts_entry *knownhostsentry = NULL;
struct curl_khkey knownkey;
@@ -341,24 +341,24 @@ static int myssh_is_known(struct connectdata *conn)
#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,8,0)
rc = ssh_get_server_publickey(sshc->ssh_session, &pubkey);
#else
- rc = ssh_get_publickey(sshc->ssh_session, &pubkey);
+ rc = ssh_get_publickey(sshc->ssh_session, &pubkey);
#endif
- if(rc != SSH_OK)
- return rc;
-
- if(data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5]) {
+ if(rc != SSH_OK)
+ return rc;
+
+ if(data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5]) {
int i;
char md5buffer[33];
const char *pubkey_md5 = data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5];
- rc = ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_MD5,
- &hash, &hlen);
+ rc = ssh_get_publickey_hash(pubkey, SSH_PUBLICKEY_HASH_MD5,
+ &hash, &hlen);
if(rc != SSH_OK || hlen != 16) {
failf(data,
"Denied establishing ssh session: md5 fingerprint not available");
- goto cleanup;
+ goto cleanup;
}
-
+
for(i = 0; i < 16; i++)
msnprintf(&md5buffer[i*2], 3, "%02x", (unsigned char)hash[i]);
@@ -368,19 +368,19 @@ static int myssh_is_known(struct connectdata *conn)
failf(data,
"Denied establishing ssh session: mismatch md5 fingerprint. "
"Remote %s is not equal to %s", md5buffer, pubkey_md5);
- rc = SSH_ERROR;
- goto cleanup;
- }
-
- rc = SSH_OK;
- goto cleanup;
- }
-
- if(data->set.ssl.primary.verifyhost != TRUE) {
- rc = SSH_OK;
- goto cleanup;
- }
-
+ rc = SSH_ERROR;
+ goto cleanup;
+ }
+
+ rc = SSH_OK;
+ goto cleanup;
+ }
+
+ if(data->set.ssl.primary.verifyhost != TRUE) {
+ rc = SSH_OK;
+ goto cleanup;
+ }
+
#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,9,0)
/* Get the known_key from the known hosts file */
vstate = ssh_session_get_known_hosts_entry(sshc->ssh_session,
@@ -443,1741 +443,1741 @@ static int myssh_is_known(struct connectdata *conn)
}
#else
- vstate = ssh_is_server_known(sshc->ssh_session);
- switch(vstate) {
- case SSH_SERVER_KNOWN_OK:
- keymatch = CURLKHMATCH_OK;
- break;
- case SSH_SERVER_FILE_NOT_FOUND:
- /* fallthrough */
- case SSH_SERVER_NOT_KNOWN:
- keymatch = CURLKHMATCH_MISSING;
- break;
- default:
- keymatch = CURLKHMATCH_MISMATCH;
- break;
- }
+ vstate = ssh_is_server_known(sshc->ssh_session);
+ switch(vstate) {
+ case SSH_SERVER_KNOWN_OK:
+ keymatch = CURLKHMATCH_OK;
+ break;
+ case SSH_SERVER_FILE_NOT_FOUND:
+ /* fallthrough */
+ case SSH_SERVER_NOT_KNOWN:
+ keymatch = CURLKHMATCH_MISSING;
+ break;
+ default:
+ keymatch = CURLKHMATCH_MISMATCH;
+ break;
+ }
#endif
-
- if(func) { /* use callback to determine action */
+
+ if(func) { /* use callback to determine action */
rc = ssh_pki_export_pubkey_base64(pubkey, &found_base64);
- if(rc != SSH_OK)
- goto cleanup;
-
+ if(rc != SSH_OK)
+ goto cleanup;
+
foundkey.key = found_base64;
foundkey.len = strlen(found_base64);
-
- switch(ssh_key_type(pubkey)) {
- case SSH_KEYTYPE_RSA:
- foundkey.keytype = CURLKHTYPE_RSA;
- break;
- case SSH_KEYTYPE_RSA1:
- foundkey.keytype = CURLKHTYPE_RSA1;
- break;
- case SSH_KEYTYPE_ECDSA:
+
+ switch(ssh_key_type(pubkey)) {
+ case SSH_KEYTYPE_RSA:
+ foundkey.keytype = CURLKHTYPE_RSA;
+ break;
+ case SSH_KEYTYPE_RSA1:
+ foundkey.keytype = CURLKHTYPE_RSA1;
+ break;
+ case SSH_KEYTYPE_ECDSA:
#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,9,0)
case SSH_KEYTYPE_ECDSA_P256:
case SSH_KEYTYPE_ECDSA_P384:
case SSH_KEYTYPE_ECDSA_P521:
#endif
- foundkey.keytype = CURLKHTYPE_ECDSA;
- break;
-#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,7,0)
- case SSH_KEYTYPE_ED25519:
- foundkey.keytype = CURLKHTYPE_ED25519;
- break;
-#endif
- case SSH_KEYTYPE_DSS:
- foundkey.keytype = CURLKHTYPE_DSS;
- break;
- default:
- rc = SSH_ERROR;
- goto cleanup;
- }
-
- Curl_set_in_callback(data, true);
+ foundkey.keytype = CURLKHTYPE_ECDSA;
+ break;
+#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,7,0)
+ case SSH_KEYTYPE_ED25519:
+ foundkey.keytype = CURLKHTYPE_ED25519;
+ break;
+#endif
+ case SSH_KEYTYPE_DSS:
+ foundkey.keytype = CURLKHTYPE_DSS;
+ break;
+ default:
+ rc = SSH_ERROR;
+ goto cleanup;
+ }
+
+ Curl_set_in_callback(data, true);
rc = func(data, knownkeyp, /* from the knownhosts file */
&foundkey, /* from the remote host */
- keymatch, data->set.ssh_keyfunc_userp);
- Curl_set_in_callback(data, false);
-
- switch(rc) {
- case CURLKHSTAT_FINE_ADD_TO_FILE:
+ keymatch, data->set.ssh_keyfunc_userp);
+ Curl_set_in_callback(data, false);
+
+ switch(rc) {
+ case CURLKHSTAT_FINE_ADD_TO_FILE:
#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,8,0)
rc = ssh_session_update_known_hosts(sshc->ssh_session);
#else
- rc = ssh_write_knownhost(sshc->ssh_session);
+ rc = ssh_write_knownhost(sshc->ssh_session);
#endif
- if(rc != SSH_OK) {
- goto cleanup;
- }
- break;
- case CURLKHSTAT_FINE:
- break;
- default: /* REJECT/DEFER */
- rc = SSH_ERROR;
- goto cleanup;
- }
- }
- else {
- if(keymatch != CURLKHMATCH_OK) {
- rc = SSH_ERROR;
- goto cleanup;
- }
- }
- rc = SSH_OK;
-
-cleanup:
+ if(rc != SSH_OK) {
+ goto cleanup;
+ }
+ break;
+ case CURLKHSTAT_FINE:
+ break;
+ default: /* REJECT/DEFER */
+ rc = SSH_ERROR;
+ goto cleanup;
+ }
+ }
+ else {
+ if(keymatch != CURLKHMATCH_OK) {
+ rc = SSH_ERROR;
+ goto cleanup;
+ }
+ }
+ rc = SSH_OK;
+
+cleanup:
if(found_base64) {
free(found_base64);
}
if(known_base64) {
free(known_base64);
}
- if(hash)
- ssh_clean_pubkey_hash(&hash);
- ssh_key_free(pubkey);
+ if(hash)
+ ssh_clean_pubkey_hash(&hash);
+ ssh_key_free(pubkey);
#if LIBSSH_VERSION_INT >= SSH_VERSION_INT(0,9,0)
if(knownhostsentry) {
ssh_knownhosts_entry_free(knownhostsentry);
}
#endif
- return rc;
-}
-
-#define MOVE_TO_ERROR_STATE(_r) { \
- state(conn, SSH_SESSION_DISCONNECT); \
- sshc->actualcode = _r; \
- rc = SSH_ERROR; \
- break; \
-}
-
-#define MOVE_TO_SFTP_CLOSE_STATE() { \
- state(conn, SSH_SFTP_CLOSE); \
- sshc->actualcode = sftp_error_to_CURLE(sftp_get_error(sshc->sftp_session)); \
- rc = SSH_ERROR; \
- break; \
-}
-
-#define MOVE_TO_LAST_AUTH \
- if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) { \
- rc = SSH_OK; \
- state(conn, SSH_AUTH_PASS_INIT); \
- break; \
- } \
- else { \
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED); \
- }
-
-#define MOVE_TO_TERTIARY_AUTH \
- if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) { \
- rc = SSH_OK; \
- state(conn, SSH_AUTH_KEY_INIT); \
- break; \
- } \
- else { \
- MOVE_TO_LAST_AUTH; \
- }
-
-#define MOVE_TO_SECONDARY_AUTH \
- if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) { \
- rc = SSH_OK; \
- state(conn, SSH_AUTH_GSSAPI); \
- break; \
- } \
- else { \
- MOVE_TO_TERTIARY_AUTH; \
- }
-
-static
-int myssh_auth_interactive(struct connectdata *conn)
-{
- int rc;
- struct ssh_conn *sshc = &conn->proto.sshc;
- int nprompts;
-
-restart:
- switch(sshc->kbd_state) {
- case 0:
- rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
- if(rc == SSH_AUTH_AGAIN)
- return SSH_AGAIN;
-
- if(rc != SSH_AUTH_INFO)
- return SSH_ERROR;
-
- nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
+ return rc;
+}
+
+#define MOVE_TO_ERROR_STATE(_r) { \
+ state(conn, SSH_SESSION_DISCONNECT); \
+ sshc->actualcode = _r; \
+ rc = SSH_ERROR; \
+ break; \
+}
+
+#define MOVE_TO_SFTP_CLOSE_STATE() { \
+ state(conn, SSH_SFTP_CLOSE); \
+ sshc->actualcode = sftp_error_to_CURLE(sftp_get_error(sshc->sftp_session)); \
+ rc = SSH_ERROR; \
+ break; \
+}
+
+#define MOVE_TO_LAST_AUTH \
+ if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) { \
+ rc = SSH_OK; \
+ state(conn, SSH_AUTH_PASS_INIT); \
+ break; \
+ } \
+ else { \
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED); \
+ }
+
+#define MOVE_TO_TERTIARY_AUTH \
+ if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) { \
+ rc = SSH_OK; \
+ state(conn, SSH_AUTH_KEY_INIT); \
+ break; \
+ } \
+ else { \
+ MOVE_TO_LAST_AUTH; \
+ }
+
+#define MOVE_TO_SECONDARY_AUTH \
+ if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) { \
+ rc = SSH_OK; \
+ state(conn, SSH_AUTH_GSSAPI); \
+ break; \
+ } \
+ else { \
+ MOVE_TO_TERTIARY_AUTH; \
+ }
+
+static
+int myssh_auth_interactive(struct connectdata *conn)
+{
+ int rc;
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ int nprompts;
+
+restart:
+ switch(sshc->kbd_state) {
+ case 0:
+ rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+ if(rc == SSH_AUTH_AGAIN)
+ return SSH_AGAIN;
+
+ if(rc != SSH_AUTH_INFO)
+ return SSH_ERROR;
+
+ nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
if(nprompts != 1)
- return SSH_ERROR;
-
- rc = ssh_userauth_kbdint_setanswer(sshc->ssh_session, 0, conn->passwd);
- if(rc < 0)
- return SSH_ERROR;
-
- /* FALLTHROUGH */
- case 1:
- sshc->kbd_state = 1;
-
- rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
- if(rc == SSH_AUTH_AGAIN)
- return SSH_AGAIN;
- else if(rc == SSH_AUTH_SUCCESS)
- rc = SSH_OK;
- else if(rc == SSH_AUTH_INFO) {
- nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
- if(nprompts != 0)
- return SSH_ERROR;
-
- sshc->kbd_state = 2;
- goto restart;
- }
- else
- rc = SSH_ERROR;
- break;
- case 2:
- sshc->kbd_state = 2;
-
- rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
- if(rc == SSH_AUTH_AGAIN)
- return SSH_AGAIN;
- else if(rc == SSH_AUTH_SUCCESS)
- rc = SSH_OK;
- else
- rc = SSH_ERROR;
-
- break;
- default:
- return SSH_ERROR;
- }
-
- sshc->kbd_state = 0;
- return rc;
-}
-
-/*
- * ssh_statemach_act() runs the SSH state machine as far as it can without
- * blocking and without reaching the end. The data the pointer 'block' points
- * to will be set to TRUE if the libssh function returns SSH_AGAIN
- * meaning it wants to be called again when the socket is ready
- */
-static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
-{
- CURLcode result = CURLE_OK;
- struct Curl_easy *data = conn->data;
+ return SSH_ERROR;
+
+ rc = ssh_userauth_kbdint_setanswer(sshc->ssh_session, 0, conn->passwd);
+ if(rc < 0)
+ return SSH_ERROR;
+
+ /* FALLTHROUGH */
+ case 1:
+ sshc->kbd_state = 1;
+
+ rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+ if(rc == SSH_AUTH_AGAIN)
+ return SSH_AGAIN;
+ else if(rc == SSH_AUTH_SUCCESS)
+ rc = SSH_OK;
+ else if(rc == SSH_AUTH_INFO) {
+ nprompts = ssh_userauth_kbdint_getnprompts(sshc->ssh_session);
+ if(nprompts != 0)
+ return SSH_ERROR;
+
+ sshc->kbd_state = 2;
+ goto restart;
+ }
+ else
+ rc = SSH_ERROR;
+ break;
+ case 2:
+ sshc->kbd_state = 2;
+
+ rc = ssh_userauth_kbdint(sshc->ssh_session, NULL, NULL);
+ if(rc == SSH_AUTH_AGAIN)
+ return SSH_AGAIN;
+ else if(rc == SSH_AUTH_SUCCESS)
+ rc = SSH_OK;
+ else
+ rc = SSH_ERROR;
+
+ break;
+ default:
+ return SSH_ERROR;
+ }
+
+ sshc->kbd_state = 0;
+ return rc;
+}
+
+/*
+ * ssh_statemach_act() runs the SSH state machine as far as it can without
+ * blocking and without reaching the end. The data the pointer 'block' points
+ * to will be set to TRUE if the libssh function returns SSH_AGAIN
+ * meaning it wants to be called again when the socket is ready
+ */
+static CURLcode myssh_statemach_act(struct connectdata *conn, bool *block)
+{
+ CURLcode result = CURLE_OK;
+ struct Curl_easy *data = conn->data;
struct SSHPROTO *protop = data->req.p.ssh;
- struct ssh_conn *sshc = &conn->proto.sshc;
- curl_socket_t sock = conn->sock[FIRSTSOCKET];
- int rc = SSH_NO_ERROR, err;
- char *new_readdir_line;
- int seekerr = CURL_SEEKFUNC_OK;
- const char *err_msg;
- *block = 0; /* we're not blocking by default */
-
- do {
-
- switch(sshc->state) {
- case SSH_INIT:
- sshc->secondCreateDirs = 0;
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_OK;
-
-#if 0
- ssh_set_log_level(SSH_LOG_PROTOCOL);
-#endif
-
- /* Set libssh to non-blocking, since everything internally is
- non-blocking */
- ssh_set_blocking(sshc->ssh_session, 0);
-
- state(conn, SSH_S_STARTUP);
- /* FALLTHROUGH */
-
- case SSH_S_STARTUP:
- rc = ssh_connect(sshc->ssh_session);
- if(rc == SSH_AGAIN)
- break;
-
- if(rc != SSH_OK) {
- failf(data, "Failure establishing ssh session");
- MOVE_TO_ERROR_STATE(CURLE_FAILED_INIT);
- }
-
- state(conn, SSH_HOSTKEY);
-
- /* FALLTHROUGH */
- case SSH_HOSTKEY:
-
- rc = myssh_is_known(conn);
- if(rc != SSH_OK) {
- MOVE_TO_ERROR_STATE(CURLE_PEER_FAILED_VERIFICATION);
- }
-
- state(conn, SSH_AUTHLIST);
- /* FALLTHROUGH */
- case SSH_AUTHLIST:{
- sshc->authed = FALSE;
-
- rc = ssh_userauth_none(sshc->ssh_session, NULL);
- if(rc == SSH_AUTH_AGAIN) {
- rc = SSH_AGAIN;
- break;
- }
-
- if(rc == SSH_AUTH_SUCCESS) {
- sshc->authed = TRUE;
- infof(data, "Authenticated with none\n");
- state(conn, SSH_AUTH_DONE);
- break;
- }
- else if(rc == SSH_AUTH_ERROR) {
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
- }
-
- sshc->auth_methods = ssh_userauth_list(sshc->ssh_session, NULL);
- if(sshc->auth_methods & SSH_AUTH_METHOD_PUBLICKEY) {
- state(conn, SSH_AUTH_PKEY_INIT);
- infof(data, "Authentication using SSH public key file\n");
- }
- else if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) {
- state(conn, SSH_AUTH_GSSAPI);
- }
- else if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) {
- state(conn, SSH_AUTH_KEY_INIT);
- }
- else if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) {
- state(conn, SSH_AUTH_PASS_INIT);
- }
- else { /* unsupported authentication method */
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
- }
-
- break;
- }
- case SSH_AUTH_PKEY_INIT:
- if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY)) {
- MOVE_TO_SECONDARY_AUTH;
- }
-
- /* Two choices, (1) private key was given on CMD,
- * (2) use the "default" keys. */
- if(data->set.str[STRING_SSH_PRIVATE_KEY]) {
- if(sshc->pubkey && !data->set.ssl.key_passwd) {
- rc = ssh_userauth_try_publickey(sshc->ssh_session, NULL,
- sshc->pubkey);
- if(rc == SSH_AUTH_AGAIN) {
- rc = SSH_AGAIN;
- break;
- }
-
- if(rc != SSH_OK) {
- MOVE_TO_SECONDARY_AUTH;
- }
- }
-
- rc = ssh_pki_import_privkey_file(data->
- set.str[STRING_SSH_PRIVATE_KEY],
- data->set.ssl.key_passwd, NULL,
- NULL, &sshc->privkey);
- if(rc != SSH_OK) {
- failf(data, "Could not load private key file %s",
- data->set.str[STRING_SSH_PRIVATE_KEY]);
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
- break;
- }
-
- state(conn, SSH_AUTH_PKEY);
- break;
-
- }
- else {
- rc = ssh_userauth_publickey_auto(sshc->ssh_session, NULL,
- data->set.ssl.key_passwd);
- if(rc == SSH_AUTH_AGAIN) {
- rc = SSH_AGAIN;
- break;
- }
- if(rc == SSH_AUTH_SUCCESS) {
- rc = SSH_OK;
- sshc->authed = TRUE;
- infof(data, "Completed public key authentication\n");
- state(conn, SSH_AUTH_DONE);
- break;
- }
-
- MOVE_TO_SECONDARY_AUTH;
- }
- break;
- case SSH_AUTH_PKEY:
- rc = ssh_userauth_publickey(sshc->ssh_session, NULL, sshc->privkey);
- if(rc == SSH_AUTH_AGAIN) {
- rc = SSH_AGAIN;
- break;
- }
-
- if(rc == SSH_AUTH_SUCCESS) {
- sshc->authed = TRUE;
- infof(data, "Completed public key authentication\n");
- state(conn, SSH_AUTH_DONE);
- break;
- }
- else {
- infof(data, "Failed public key authentication (rc: %d)\n", rc);
- MOVE_TO_SECONDARY_AUTH;
- }
- break;
-
- case SSH_AUTH_GSSAPI:
- if(!(data->set.ssh_auth_types & CURLSSH_AUTH_GSSAPI)) {
- MOVE_TO_TERTIARY_AUTH;
- }
-
- rc = ssh_userauth_gssapi(sshc->ssh_session);
- if(rc == SSH_AUTH_AGAIN) {
- rc = SSH_AGAIN;
- break;
- }
-
- if(rc == SSH_AUTH_SUCCESS) {
- rc = SSH_OK;
- sshc->authed = TRUE;
- infof(data, "Completed gssapi authentication\n");
- state(conn, SSH_AUTH_DONE);
- break;
- }
-
- MOVE_TO_TERTIARY_AUTH;
- break;
-
- case SSH_AUTH_KEY_INIT:
- if(data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD) {
- state(conn, SSH_AUTH_KEY);
- }
- else {
- MOVE_TO_LAST_AUTH;
- }
- break;
-
- case SSH_AUTH_KEY:
-
- /* Authentication failed. Continue with keyboard-interactive now. */
- rc = myssh_auth_interactive(conn);
- if(rc == SSH_AGAIN) {
- break;
- }
- if(rc == SSH_OK) {
- sshc->authed = TRUE;
- infof(data, "completed keyboard interactive authentication\n");
- }
- state(conn, SSH_AUTH_DONE);
- break;
-
- case SSH_AUTH_PASS_INIT:
- if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD)) {
- /* Host key authentication is intentionally not implemented */
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
- }
- state(conn, SSH_AUTH_PASS);
- /* FALLTHROUGH */
-
- case SSH_AUTH_PASS:
- rc = ssh_userauth_password(sshc->ssh_session, NULL, conn->passwd);
- if(rc == SSH_AUTH_AGAIN) {
- rc = SSH_AGAIN;
- break;
- }
-
- if(rc == SSH_AUTH_SUCCESS) {
- sshc->authed = TRUE;
- infof(data, "Completed password authentication\n");
- state(conn, SSH_AUTH_DONE);
- }
- else {
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
- }
- break;
-
- case SSH_AUTH_DONE:
- if(!sshc->authed) {
- failf(data, "Authentication failure");
- MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
- break;
- }
-
- /*
- * At this point we have an authenticated ssh session.
- */
- infof(data, "Authentication complete\n");
-
- Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSH is connected */
-
- conn->sockfd = sock;
- conn->writesockfd = CURL_SOCKET_BAD;
-
- if(conn->handler->protocol == CURLPROTO_SFTP) {
- state(conn, SSH_SFTP_INIT);
- break;
- }
- infof(data, "SSH CONNECT phase done\n");
- state(conn, SSH_STOP);
- break;
-
- case SSH_SFTP_INIT:
- ssh_set_blocking(sshc->ssh_session, 1);
-
- sshc->sftp_session = sftp_new(sshc->ssh_session);
- if(!sshc->sftp_session) {
- failf(data, "Failure initializing sftp session: %s",
- ssh_get_error(sshc->ssh_session));
- MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
- break;
- }
-
- rc = sftp_init(sshc->sftp_session);
- if(rc != SSH_OK) {
- rc = sftp_get_error(sshc->sftp_session);
- failf(data, "Failure initializing sftp session: %s",
- ssh_get_error(sshc->ssh_session));
- MOVE_TO_ERROR_STATE(sftp_error_to_CURLE(rc));
- break;
- }
- state(conn, SSH_SFTP_REALPATH);
- /* FALLTHROUGH */
- case SSH_SFTP_REALPATH:
- /*
- * Get the "home" directory
- */
- sshc->homedir = sftp_canonicalize_path(sshc->sftp_session, ".");
- if(sshc->homedir == NULL) {
- MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
- }
- conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
-
- /* This is the last step in the SFTP connect phase. Do note that while
- we get the homedir here, we get the "workingpath" in the DO action
- since the homedir will remain the same between request but the
- working path will not. */
- DEBUGF(infof(data, "SSH CONNECT phase done\n"));
- state(conn, SSH_STOP);
- break;
-
- case SSH_SFTP_QUOTE_INIT:
-
- result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
- if(result) {
- sshc->actualcode = result;
- state(conn, SSH_STOP);
- break;
- }
-
- if(data->set.quote) {
- infof(data, "Sending quote commands\n");
- sshc->quote_item = data->set.quote;
- state(conn, SSH_SFTP_QUOTE);
- }
- else {
- state(conn, SSH_SFTP_GETINFO);
- }
- break;
-
- case SSH_SFTP_POSTQUOTE_INIT:
- if(data->set.postquote) {
- infof(data, "Sending quote commands\n");
- sshc->quote_item = data->set.postquote;
- state(conn, SSH_SFTP_QUOTE);
- }
- else {
- state(conn, SSH_STOP);
- }
- break;
-
- case SSH_SFTP_QUOTE:
- /* Send any quote commands */
- sftp_quote(conn);
- break;
-
- case SSH_SFTP_NEXT_QUOTE:
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
-
- sshc->quote_item = sshc->quote_item->next;
-
- if(sshc->quote_item) {
- state(conn, SSH_SFTP_QUOTE);
- }
- else {
- if(sshc->nextstate != SSH_NO_STATE) {
- state(conn, sshc->nextstate);
- sshc->nextstate = SSH_NO_STATE;
- }
- else {
- state(conn, SSH_SFTP_GETINFO);
- }
- }
- break;
-
- case SSH_SFTP_QUOTE_STAT:
- sftp_quote_stat(conn);
- break;
-
- case SSH_SFTP_QUOTE_SETSTAT:
- rc = sftp_setstat(sshc->sftp_session, sshc->quote_path2,
- sshc->quote_attrs);
- if(rc != 0 && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Attempt to set SFTP stats failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- /* sshc->actualcode = sftp_error_to_CURLE(err);
- * we do not send the actual error; we return
- * the error the libssh2 backend is returning */
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_SYMLINK:
- rc = sftp_symlink(sshc->sftp_session, sshc->quote_path2,
- sshc->quote_path1);
- if(rc != 0 && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "symlink command failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_MKDIR:
- rc = sftp_mkdir(sshc->sftp_session, sshc->quote_path1,
- (mode_t)data->set.new_directory_perms);
- if(rc != 0 && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- failf(data, "mkdir command failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_RENAME:
- rc = sftp_rename(sshc->sftp_session, sshc->quote_path1,
- sshc->quote_path2);
- if(rc != 0 && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "rename command failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_RMDIR:
- rc = sftp_rmdir(sshc->sftp_session, sshc->quote_path1);
- if(rc != 0 && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- failf(data, "rmdir command failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_UNLINK:
- rc = sftp_unlink(sshc->sftp_session, sshc->quote_path1);
- if(rc != 0 && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- failf(data, "rm command failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_STATVFS:
- {
- sftp_statvfs_t statvfs;
-
- statvfs = sftp_statvfs(sshc->sftp_session, sshc->quote_path1);
- if(!statvfs && !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- failf(data, "statvfs command failed: %s",
- ssh_get_error(sshc->ssh_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- else if(statvfs) {
- char *tmp = aprintf("statvfs:\n"
- "f_bsize: %llu\n" "f_frsize: %llu\n"
- "f_blocks: %llu\n" "f_bfree: %llu\n"
- "f_bavail: %llu\n" "f_files: %llu\n"
- "f_ffree: %llu\n" "f_favail: %llu\n"
- "f_fsid: %llu\n" "f_flag: %llu\n"
- "f_namemax: %llu\n",
- statvfs->f_bsize, statvfs->f_frsize,
- statvfs->f_blocks, statvfs->f_bfree,
- statvfs->f_bavail, statvfs->f_files,
- statvfs->f_ffree, statvfs->f_favail,
- statvfs->f_fsid, statvfs->f_flag,
- statvfs->f_namemax);
- sftp_statvfs_free(statvfs);
-
- if(!tmp) {
- result = CURLE_OUT_OF_MEMORY;
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- break;
- }
-
- result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
- free(tmp);
- if(result) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- }
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
- }
-
- case SSH_SFTP_GETINFO:
- if(data->set.get_filetime) {
- state(conn, SSH_SFTP_FILETIME);
- }
- else {
- state(conn, SSH_SFTP_TRANS_INIT);
- }
- break;
-
- case SSH_SFTP_FILETIME:
- {
- sftp_attributes attrs;
-
- attrs = sftp_stat(sshc->sftp_session, protop->path);
- if(attrs != 0) {
- data->info.filetime = attrs->mtime;
- sftp_attributes_free(attrs);
- }
-
- state(conn, SSH_SFTP_TRANS_INIT);
- break;
- }
-
- case SSH_SFTP_TRANS_INIT:
- if(data->set.upload)
- state(conn, SSH_SFTP_UPLOAD_INIT);
- else {
- if(protop->path[strlen(protop->path)-1] == '/')
- state(conn, SSH_SFTP_READDIR_INIT);
- else
- state(conn, SSH_SFTP_DOWNLOAD_INIT);
- }
- break;
-
- case SSH_SFTP_UPLOAD_INIT:
- {
- int flags;
-
- if(data->state.resume_from != 0) {
- sftp_attributes attrs;
-
- if(data->state.resume_from < 0) {
- attrs = sftp_stat(sshc->sftp_session, protop->path);
- if(attrs != 0) {
- curl_off_t size = attrs->size;
- if(size < 0) {
- failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
- MOVE_TO_ERROR_STATE(CURLE_BAD_DOWNLOAD_RESUME);
- }
- data->state.resume_from = attrs->size;
-
- sftp_attributes_free(attrs);
- }
- else {
- data->state.resume_from = 0;
- }
- }
- }
-
- if(data->set.ftp_append)
- /* Try to open for append, but create if nonexisting */
- flags = O_WRONLY|O_CREAT|O_APPEND;
- else if(data->state.resume_from > 0)
- /* If we have restart position then open for append */
- flags = O_WRONLY|O_APPEND;
- else
- /* Clear file before writing (normal behaviour) */
- flags = O_WRONLY|O_CREAT|O_TRUNC;
-
- if(sshc->sftp_file)
- sftp_close(sshc->sftp_file);
- sshc->sftp_file =
- sftp_open(sshc->sftp_session, protop->path,
- flags, (mode_t)data->set.new_file_perms);
- if(!sshc->sftp_file) {
- err = sftp_get_error(sshc->sftp_session);
-
- if(((err == SSH_FX_NO_SUCH_FILE || err == SSH_FX_FAILURE ||
- err == SSH_FX_NO_SUCH_PATH)) &&
- (data->set.ftp_create_missing_dirs &&
- (strlen(protop->path) > 1))) {
- /* try to create the path remotely */
- rc = 0;
- sshc->secondCreateDirs = 1;
- state(conn, SSH_SFTP_CREATE_DIRS_INIT);
- break;
- }
- else {
- MOVE_TO_SFTP_CLOSE_STATE();
- }
- }
-
- /* If we have a restart point then we need to seek to the correct
- position. */
- if(data->state.resume_from > 0) {
- /* Let's read off the proper amount of bytes from the input. */
- if(conn->seek_func) {
- Curl_set_in_callback(data, true);
- seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
- SEEK_SET);
- Curl_set_in_callback(data, false);
- }
-
- if(seekerr != CURL_SEEKFUNC_OK) {
- curl_off_t passed = 0;
-
- if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
- failf(data, "Could not seek stream");
- return CURLE_FTP_COULDNT_USE_REST;
- }
- /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
- do {
- size_t readthisamountnow =
- (data->state.resume_from - passed > data->set.buffer_size) ?
- (size_t)data->set.buffer_size :
- curlx_sotouz(data->state.resume_from - passed);
-
- size_t actuallyread =
- data->state.fread_func(data->state.buffer, 1,
- readthisamountnow, data->state.in);
-
- passed += actuallyread;
- if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
- /* this checks for greater-than only to make sure that the
- CURL_READFUNC_ABORT return code still aborts */
- failf(data, "Failed to read data");
- MOVE_TO_ERROR_STATE(CURLE_FTP_COULDNT_USE_REST);
- }
- } while(passed < data->state.resume_from);
- }
-
- /* now, decrease the size of the read */
- if(data->state.infilesize > 0) {
- data->state.infilesize -= data->state.resume_from;
- data->req.size = data->state.infilesize;
- Curl_pgrsSetUploadSize(data, data->state.infilesize);
- }
-
- rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
- if(rc != 0) {
- MOVE_TO_SFTP_CLOSE_STATE();
- }
- }
- if(data->state.infilesize > 0) {
- data->req.size = data->state.infilesize;
- Curl_pgrsSetUploadSize(data, data->state.infilesize);
- }
- /* upload data */
- Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->sockfd = conn->writesockfd;
-
- /* store this original bitmask setup to use later on if we can't
- figure out a "real" bitmask */
- sshc->orig_waitfor = data->req.keepon;
-
- /* we want to use the _sending_ function even when the socket turns
- out readable as the underlying libssh sftp send function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_OUT;
-
- /* since we don't really wait for anything at this point, we want the
- state machine to move on as soon as possible so we set a very short
- timeout here */
- Curl_expire(data, 0, EXPIRE_RUN_NOW);
-
- state(conn, SSH_STOP);
- break;
- }
-
- case SSH_SFTP_CREATE_DIRS_INIT:
- if(strlen(protop->path) > 1) {
- sshc->slash_pos = protop->path + 1; /* ignore the leading '/' */
- state(conn, SSH_SFTP_CREATE_DIRS);
- }
- else {
- state(conn, SSH_SFTP_UPLOAD_INIT);
- }
- break;
-
- case SSH_SFTP_CREATE_DIRS:
- sshc->slash_pos = strchr(sshc->slash_pos, '/');
- if(sshc->slash_pos) {
- *sshc->slash_pos = 0;
-
- infof(data, "Creating directory '%s'\n", protop->path);
- state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
- break;
- }
- state(conn, SSH_SFTP_UPLOAD_INIT);
- break;
-
- case SSH_SFTP_CREATE_DIRS_MKDIR:
- /* 'mode' - parameter is preliminary - default to 0644 */
- rc = sftp_mkdir(sshc->sftp_session, protop->path,
- (mode_t)data->set.new_directory_perms);
- *sshc->slash_pos = '/';
- ++sshc->slash_pos;
- if(rc < 0) {
- /*
- * Abort if failure wasn't that the dir already exists or the
- * permission was denied (creation might succeed further down the
- * path) - retry on unspecific FAILURE also
- */
- err = sftp_get_error(sshc->sftp_session);
- if((err != SSH_FX_FILE_ALREADY_EXISTS) &&
- (err != SSH_FX_FAILURE) &&
- (err != SSH_FX_PERMISSION_DENIED)) {
- MOVE_TO_SFTP_CLOSE_STATE();
- }
- rc = 0; /* clear rc and continue */
- }
- state(conn, SSH_SFTP_CREATE_DIRS);
- break;
-
- case SSH_SFTP_READDIR_INIT:
- Curl_pgrsSetDownloadSize(data, -1);
- if(data->set.opt_no_body) {
- state(conn, SSH_STOP);
- break;
- }
-
- /*
- * This is a directory that we are trying to get, so produce a directory
- * listing
- */
- sshc->sftp_dir = sftp_opendir(sshc->sftp_session,
- protop->path);
- if(!sshc->sftp_dir) {
- failf(data, "Could not open directory for reading: %s",
- ssh_get_error(sshc->ssh_session));
- MOVE_TO_SFTP_CLOSE_STATE();
- }
- state(conn, SSH_SFTP_READDIR);
- break;
-
- case SSH_SFTP_READDIR:
-
- if(sshc->readdir_attrs)
- sftp_attributes_free(sshc->readdir_attrs);
-
- sshc->readdir_attrs = sftp_readdir(sshc->sftp_session, sshc->sftp_dir);
- if(sshc->readdir_attrs) {
- sshc->readdir_filename = sshc->readdir_attrs->name;
- sshc->readdir_longentry = sshc->readdir_attrs->longname;
- sshc->readdir_len = strlen(sshc->readdir_filename);
-
- if(data->set.ftp_list_only) {
- char *tmpLine;
-
- tmpLine = aprintf("%s\n", sshc->readdir_filename);
- if(tmpLine == NULL) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
- result = Curl_client_write(conn, CLIENTWRITE_BODY,
- tmpLine, sshc->readdir_len + 1);
- free(tmpLine);
-
- if(result) {
- state(conn, SSH_STOP);
- break;
- }
- /* since this counts what we send to the client, we include the
- newline in this counter */
- data->req.bytecount += sshc->readdir_len + 1;
-
- /* output debug output if that is requested */
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ curl_socket_t sock = conn->sock[FIRSTSOCKET];
+ int rc = SSH_NO_ERROR, err;
+ char *new_readdir_line;
+ int seekerr = CURL_SEEKFUNC_OK;
+ const char *err_msg;
+ *block = 0; /* we're not blocking by default */
+
+ do {
+
+ switch(sshc->state) {
+ case SSH_INIT:
+ sshc->secondCreateDirs = 0;
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_OK;
+
+#if 0
+ ssh_set_log_level(SSH_LOG_PROTOCOL);
+#endif
+
+ /* Set libssh to non-blocking, since everything internally is
+ non-blocking */
+ ssh_set_blocking(sshc->ssh_session, 0);
+
+ state(conn, SSH_S_STARTUP);
+ /* FALLTHROUGH */
+
+ case SSH_S_STARTUP:
+ rc = ssh_connect(sshc->ssh_session);
+ if(rc == SSH_AGAIN)
+ break;
+
+ if(rc != SSH_OK) {
+ failf(data, "Failure establishing ssh session");
+ MOVE_TO_ERROR_STATE(CURLE_FAILED_INIT);
+ }
+
+ state(conn, SSH_HOSTKEY);
+
+ /* FALLTHROUGH */
+ case SSH_HOSTKEY:
+
+ rc = myssh_is_known(conn);
+ if(rc != SSH_OK) {
+ MOVE_TO_ERROR_STATE(CURLE_PEER_FAILED_VERIFICATION);
+ }
+
+ state(conn, SSH_AUTHLIST);
+ /* FALLTHROUGH */
+ case SSH_AUTHLIST:{
+ sshc->authed = FALSE;
+
+ rc = ssh_userauth_none(sshc->ssh_session, NULL);
+ if(rc == SSH_AUTH_AGAIN) {
+ rc = SSH_AGAIN;
+ break;
+ }
+
+ if(rc == SSH_AUTH_SUCCESS) {
+ sshc->authed = TRUE;
+ infof(data, "Authenticated with none\n");
+ state(conn, SSH_AUTH_DONE);
+ break;
+ }
+ else if(rc == SSH_AUTH_ERROR) {
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+ }
+
+ sshc->auth_methods = ssh_userauth_list(sshc->ssh_session, NULL);
+ if(sshc->auth_methods & SSH_AUTH_METHOD_PUBLICKEY) {
+ state(conn, SSH_AUTH_PKEY_INIT);
+ infof(data, "Authentication using SSH public key file\n");
+ }
+ else if(sshc->auth_methods & SSH_AUTH_METHOD_GSSAPI_MIC) {
+ state(conn, SSH_AUTH_GSSAPI);
+ }
+ else if(sshc->auth_methods & SSH_AUTH_METHOD_INTERACTIVE) {
+ state(conn, SSH_AUTH_KEY_INIT);
+ }
+ else if(sshc->auth_methods & SSH_AUTH_METHOD_PASSWORD) {
+ state(conn, SSH_AUTH_PASS_INIT);
+ }
+ else { /* unsupported authentication method */
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+ }
+
+ break;
+ }
+ case SSH_AUTH_PKEY_INIT:
+ if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY)) {
+ MOVE_TO_SECONDARY_AUTH;
+ }
+
+ /* Two choices, (1) private key was given on CMD,
+ * (2) use the "default" keys. */
+ if(data->set.str[STRING_SSH_PRIVATE_KEY]) {
+ if(sshc->pubkey && !data->set.ssl.key_passwd) {
+ rc = ssh_userauth_try_publickey(sshc->ssh_session, NULL,
+ sshc->pubkey);
+ if(rc == SSH_AUTH_AGAIN) {
+ rc = SSH_AGAIN;
+ break;
+ }
+
+ if(rc != SSH_OK) {
+ MOVE_TO_SECONDARY_AUTH;
+ }
+ }
+
+ rc = ssh_pki_import_privkey_file(data->
+ set.str[STRING_SSH_PRIVATE_KEY],
+ data->set.ssl.key_passwd, NULL,
+ NULL, &sshc->privkey);
+ if(rc != SSH_OK) {
+ failf(data, "Could not load private key file %s",
+ data->set.str[STRING_SSH_PRIVATE_KEY]);
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+ break;
+ }
+
+ state(conn, SSH_AUTH_PKEY);
+ break;
+
+ }
+ else {
+ rc = ssh_userauth_publickey_auto(sshc->ssh_session, NULL,
+ data->set.ssl.key_passwd);
+ if(rc == SSH_AUTH_AGAIN) {
+ rc = SSH_AGAIN;
+ break;
+ }
+ if(rc == SSH_AUTH_SUCCESS) {
+ rc = SSH_OK;
+ sshc->authed = TRUE;
+ infof(data, "Completed public key authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ break;
+ }
+
+ MOVE_TO_SECONDARY_AUTH;
+ }
+ break;
+ case SSH_AUTH_PKEY:
+ rc = ssh_userauth_publickey(sshc->ssh_session, NULL, sshc->privkey);
+ if(rc == SSH_AUTH_AGAIN) {
+ rc = SSH_AGAIN;
+ break;
+ }
+
+ if(rc == SSH_AUTH_SUCCESS) {
+ sshc->authed = TRUE;
+ infof(data, "Completed public key authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ break;
+ }
+ else {
+ infof(data, "Failed public key authentication (rc: %d)\n", rc);
+ MOVE_TO_SECONDARY_AUTH;
+ }
+ break;
+
+ case SSH_AUTH_GSSAPI:
+ if(!(data->set.ssh_auth_types & CURLSSH_AUTH_GSSAPI)) {
+ MOVE_TO_TERTIARY_AUTH;
+ }
+
+ rc = ssh_userauth_gssapi(sshc->ssh_session);
+ if(rc == SSH_AUTH_AGAIN) {
+ rc = SSH_AGAIN;
+ break;
+ }
+
+ if(rc == SSH_AUTH_SUCCESS) {
+ rc = SSH_OK;
+ sshc->authed = TRUE;
+ infof(data, "Completed gssapi authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ break;
+ }
+
+ MOVE_TO_TERTIARY_AUTH;
+ break;
+
+ case SSH_AUTH_KEY_INIT:
+ if(data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD) {
+ state(conn, SSH_AUTH_KEY);
+ }
+ else {
+ MOVE_TO_LAST_AUTH;
+ }
+ break;
+
+ case SSH_AUTH_KEY:
+
+ /* Authentication failed. Continue with keyboard-interactive now. */
+ rc = myssh_auth_interactive(conn);
+ if(rc == SSH_AGAIN) {
+ break;
+ }
+ if(rc == SSH_OK) {
+ sshc->authed = TRUE;
+ infof(data, "completed keyboard interactive authentication\n");
+ }
+ state(conn, SSH_AUTH_DONE);
+ break;
+
+ case SSH_AUTH_PASS_INIT:
+ if(!(data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD)) {
+ /* Host key authentication is intentionally not implemented */
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+ }
+ state(conn, SSH_AUTH_PASS);
+ /* FALLTHROUGH */
+
+ case SSH_AUTH_PASS:
+ rc = ssh_userauth_password(sshc->ssh_session, NULL, conn->passwd);
+ if(rc == SSH_AUTH_AGAIN) {
+ rc = SSH_AGAIN;
+ break;
+ }
+
+ if(rc == SSH_AUTH_SUCCESS) {
+ sshc->authed = TRUE;
+ infof(data, "Completed password authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ }
+ else {
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+ }
+ break;
+
+ case SSH_AUTH_DONE:
+ if(!sshc->authed) {
+ failf(data, "Authentication failure");
+ MOVE_TO_ERROR_STATE(CURLE_LOGIN_DENIED);
+ break;
+ }
+
+ /*
+ * At this point we have an authenticated ssh session.
+ */
+ infof(data, "Authentication complete\n");
+
+ Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSH is connected */
+
+ conn->sockfd = sock;
+ conn->writesockfd = CURL_SOCKET_BAD;
+
+ if(conn->handler->protocol == CURLPROTO_SFTP) {
+ state(conn, SSH_SFTP_INIT);
+ break;
+ }
+ infof(data, "SSH CONNECT phase done\n");
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_SFTP_INIT:
+ ssh_set_blocking(sshc->ssh_session, 1);
+
+ sshc->sftp_session = sftp_new(sshc->ssh_session);
+ if(!sshc->sftp_session) {
+ failf(data, "Failure initializing sftp session: %s",
+ ssh_get_error(sshc->ssh_session));
+ MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+ break;
+ }
+
+ rc = sftp_init(sshc->sftp_session);
+ if(rc != SSH_OK) {
+ rc = sftp_get_error(sshc->sftp_session);
+ failf(data, "Failure initializing sftp session: %s",
+ ssh_get_error(sshc->ssh_session));
+ MOVE_TO_ERROR_STATE(sftp_error_to_CURLE(rc));
+ break;
+ }
+ state(conn, SSH_SFTP_REALPATH);
+ /* FALLTHROUGH */
+ case SSH_SFTP_REALPATH:
+ /*
+ * Get the "home" directory
+ */
+ sshc->homedir = sftp_canonicalize_path(sshc->sftp_session, ".");
+ if(sshc->homedir == NULL) {
+ MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+ }
+ conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
+
+ /* This is the last step in the SFTP connect phase. Do note that while
+ we get the homedir here, we get the "workingpath" in the DO action
+ since the homedir will remain the same between request but the
+ working path will not. */
+ DEBUGF(infof(data, "SSH CONNECT phase done\n"));
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_SFTP_QUOTE_INIT:
+
+ result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
+ if(result) {
+ sshc->actualcode = result;
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ if(data->set.quote) {
+ infof(data, "Sending quote commands\n");
+ sshc->quote_item = data->set.quote;
+ state(conn, SSH_SFTP_QUOTE);
+ }
+ else {
+ state(conn, SSH_SFTP_GETINFO);
+ }
+ break;
+
+ case SSH_SFTP_POSTQUOTE_INIT:
+ if(data->set.postquote) {
+ infof(data, "Sending quote commands\n");
+ sshc->quote_item = data->set.postquote;
+ state(conn, SSH_SFTP_QUOTE);
+ }
+ else {
+ state(conn, SSH_STOP);
+ }
+ break;
+
+ case SSH_SFTP_QUOTE:
+ /* Send any quote commands */
+ sftp_quote(conn);
+ break;
+
+ case SSH_SFTP_NEXT_QUOTE:
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+
+ sshc->quote_item = sshc->quote_item->next;
+
+ if(sshc->quote_item) {
+ state(conn, SSH_SFTP_QUOTE);
+ }
+ else {
+ if(sshc->nextstate != SSH_NO_STATE) {
+ state(conn, sshc->nextstate);
+ sshc->nextstate = SSH_NO_STATE;
+ }
+ else {
+ state(conn, SSH_SFTP_GETINFO);
+ }
+ }
+ break;
+
+ case SSH_SFTP_QUOTE_STAT:
+ sftp_quote_stat(conn);
+ break;
+
+ case SSH_SFTP_QUOTE_SETSTAT:
+ rc = sftp_setstat(sshc->sftp_session, sshc->quote_path2,
+ sshc->quote_attrs);
+ if(rc != 0 && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Attempt to set SFTP stats failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ /* sshc->actualcode = sftp_error_to_CURLE(err);
+ * we do not send the actual error; we return
+ * the error the libssh2 backend is returning */
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_SYMLINK:
+ rc = sftp_symlink(sshc->sftp_session, sshc->quote_path2,
+ sshc->quote_path1);
+ if(rc != 0 && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "symlink command failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_MKDIR:
+ rc = sftp_mkdir(sshc->sftp_session, sshc->quote_path1,
+ (mode_t)data->set.new_directory_perms);
+ if(rc != 0 && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ failf(data, "mkdir command failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_RENAME:
+ rc = sftp_rename(sshc->sftp_session, sshc->quote_path1,
+ sshc->quote_path2);
+ if(rc != 0 && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "rename command failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_RMDIR:
+ rc = sftp_rmdir(sshc->sftp_session, sshc->quote_path1);
+ if(rc != 0 && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ failf(data, "rmdir command failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_UNLINK:
+ rc = sftp_unlink(sshc->sftp_session, sshc->quote_path1);
+ if(rc != 0 && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ failf(data, "rm command failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_STATVFS:
+ {
+ sftp_statvfs_t statvfs;
+
+ statvfs = sftp_statvfs(sshc->sftp_session, sshc->quote_path1);
+ if(!statvfs && !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ failf(data, "statvfs command failed: %s",
+ ssh_get_error(sshc->ssh_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ else if(statvfs) {
+ char *tmp = aprintf("statvfs:\n"
+ "f_bsize: %llu\n" "f_frsize: %llu\n"
+ "f_blocks: %llu\n" "f_bfree: %llu\n"
+ "f_bavail: %llu\n" "f_files: %llu\n"
+ "f_ffree: %llu\n" "f_favail: %llu\n"
+ "f_fsid: %llu\n" "f_flag: %llu\n"
+ "f_namemax: %llu\n",
+ statvfs->f_bsize, statvfs->f_frsize,
+ statvfs->f_blocks, statvfs->f_bfree,
+ statvfs->f_bavail, statvfs->f_files,
+ statvfs->f_ffree, statvfs->f_favail,
+ statvfs->f_fsid, statvfs->f_flag,
+ statvfs->f_namemax);
+ sftp_statvfs_free(statvfs);
+
+ if(!tmp) {
+ result = CURLE_OUT_OF_MEMORY;
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ break;
+ }
+
+ result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+ free(tmp);
+ if(result) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ }
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+ }
+
+ case SSH_SFTP_GETINFO:
+ if(data->set.get_filetime) {
+ state(conn, SSH_SFTP_FILETIME);
+ }
+ else {
+ state(conn, SSH_SFTP_TRANS_INIT);
+ }
+ break;
+
+ case SSH_SFTP_FILETIME:
+ {
+ sftp_attributes attrs;
+
+ attrs = sftp_stat(sshc->sftp_session, protop->path);
+ if(attrs != 0) {
+ data->info.filetime = attrs->mtime;
+ sftp_attributes_free(attrs);
+ }
+
+ state(conn, SSH_SFTP_TRANS_INIT);
+ break;
+ }
+
+ case SSH_SFTP_TRANS_INIT:
+ if(data->set.upload)
+ state(conn, SSH_SFTP_UPLOAD_INIT);
+ else {
+ if(protop->path[strlen(protop->path)-1] == '/')
+ state(conn, SSH_SFTP_READDIR_INIT);
+ else
+ state(conn, SSH_SFTP_DOWNLOAD_INIT);
+ }
+ break;
+
+ case SSH_SFTP_UPLOAD_INIT:
+ {
+ int flags;
+
+ if(data->state.resume_from != 0) {
+ sftp_attributes attrs;
+
+ if(data->state.resume_from < 0) {
+ attrs = sftp_stat(sshc->sftp_session, protop->path);
+ if(attrs != 0) {
+ curl_off_t size = attrs->size;
+ if(size < 0) {
+ failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+ MOVE_TO_ERROR_STATE(CURLE_BAD_DOWNLOAD_RESUME);
+ }
+ data->state.resume_from = attrs->size;
+
+ sftp_attributes_free(attrs);
+ }
+ else {
+ data->state.resume_from = 0;
+ }
+ }
+ }
+
+ if(data->set.ftp_append)
+ /* Try to open for append, but create if nonexisting */
+ flags = O_WRONLY|O_CREAT|O_APPEND;
+ else if(data->state.resume_from > 0)
+ /* If we have restart position then open for append */
+ flags = O_WRONLY|O_APPEND;
+ else
+ /* Clear file before writing (normal behaviour) */
+ flags = O_WRONLY|O_CREAT|O_TRUNC;
+
+ if(sshc->sftp_file)
+ sftp_close(sshc->sftp_file);
+ sshc->sftp_file =
+ sftp_open(sshc->sftp_session, protop->path,
+ flags, (mode_t)data->set.new_file_perms);
+ if(!sshc->sftp_file) {
+ err = sftp_get_error(sshc->sftp_session);
+
+ if(((err == SSH_FX_NO_SUCH_FILE || err == SSH_FX_FAILURE ||
+ err == SSH_FX_NO_SUCH_PATH)) &&
+ (data->set.ftp_create_missing_dirs &&
+ (strlen(protop->path) > 1))) {
+ /* try to create the path remotely */
+ rc = 0;
+ sshc->secondCreateDirs = 1;
+ state(conn, SSH_SFTP_CREATE_DIRS_INIT);
+ break;
+ }
+ else {
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+ }
+
+ /* If we have a restart point then we need to seek to the correct
+ position. */
+ if(data->state.resume_from > 0) {
+ /* Let's read off the proper amount of bytes from the input. */
+ if(conn->seek_func) {
+ Curl_set_in_callback(data, true);
+ seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+ SEEK_SET);
+ Curl_set_in_callback(data, false);
+ }
+
+ if(seekerr != CURL_SEEKFUNC_OK) {
+ curl_off_t passed = 0;
+
+ if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+ failf(data, "Could not seek stream");
+ return CURLE_FTP_COULDNT_USE_REST;
+ }
+ /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+ do {
+ size_t readthisamountnow =
+ (data->state.resume_from - passed > data->set.buffer_size) ?
+ (size_t)data->set.buffer_size :
+ curlx_sotouz(data->state.resume_from - passed);
+
+ size_t actuallyread =
+ data->state.fread_func(data->state.buffer, 1,
+ readthisamountnow, data->state.in);
+
+ passed += actuallyread;
+ if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+ /* this checks for greater-than only to make sure that the
+ CURL_READFUNC_ABORT return code still aborts */
+ failf(data, "Failed to read data");
+ MOVE_TO_ERROR_STATE(CURLE_FTP_COULDNT_USE_REST);
+ }
+ } while(passed < data->state.resume_from);
+ }
+
+ /* now, decrease the size of the read */
+ if(data->state.infilesize > 0) {
+ data->state.infilesize -= data->state.resume_from;
+ data->req.size = data->state.infilesize;
+ Curl_pgrsSetUploadSize(data, data->state.infilesize);
+ }
+
+ rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
+ if(rc != 0) {
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+ }
+ if(data->state.infilesize > 0) {
+ data->req.size = data->state.infilesize;
+ Curl_pgrsSetUploadSize(data, data->state.infilesize);
+ }
+ /* upload data */
+ Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->sockfd = conn->writesockfd;
+
+ /* store this original bitmask setup to use later on if we can't
+ figure out a "real" bitmask */
+ sshc->orig_waitfor = data->req.keepon;
+
+ /* we want to use the _sending_ function even when the socket turns
+ out readable as the underlying libssh sftp send function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_OUT;
+
+ /* since we don't really wait for anything at this point, we want the
+ state machine to move on as soon as possible so we set a very short
+ timeout here */
+ Curl_expire(data, 0, EXPIRE_RUN_NOW);
+
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ case SSH_SFTP_CREATE_DIRS_INIT:
+ if(strlen(protop->path) > 1) {
+ sshc->slash_pos = protop->path + 1; /* ignore the leading '/' */
+ state(conn, SSH_SFTP_CREATE_DIRS);
+ }
+ else {
+ state(conn, SSH_SFTP_UPLOAD_INIT);
+ }
+ break;
+
+ case SSH_SFTP_CREATE_DIRS:
+ sshc->slash_pos = strchr(sshc->slash_pos, '/');
+ if(sshc->slash_pos) {
+ *sshc->slash_pos = 0;
+
+ infof(data, "Creating directory '%s'\n", protop->path);
+ state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
+ break;
+ }
+ state(conn, SSH_SFTP_UPLOAD_INIT);
+ break;
+
+ case SSH_SFTP_CREATE_DIRS_MKDIR:
+ /* 'mode' - parameter is preliminary - default to 0644 */
+ rc = sftp_mkdir(sshc->sftp_session, protop->path,
+ (mode_t)data->set.new_directory_perms);
+ *sshc->slash_pos = '/';
+ ++sshc->slash_pos;
+ if(rc < 0) {
+ /*
+ * Abort if failure wasn't that the dir already exists or the
+ * permission was denied (creation might succeed further down the
+ * path) - retry on unspecific FAILURE also
+ */
+ err = sftp_get_error(sshc->sftp_session);
+ if((err != SSH_FX_FILE_ALREADY_EXISTS) &&
+ (err != SSH_FX_FAILURE) &&
+ (err != SSH_FX_PERMISSION_DENIED)) {
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+ rc = 0; /* clear rc and continue */
+ }
+ state(conn, SSH_SFTP_CREATE_DIRS);
+ break;
+
+ case SSH_SFTP_READDIR_INIT:
+ Curl_pgrsSetDownloadSize(data, -1);
+ if(data->set.opt_no_body) {
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ /*
+ * This is a directory that we are trying to get, so produce a directory
+ * listing
+ */
+ sshc->sftp_dir = sftp_opendir(sshc->sftp_session,
+ protop->path);
+ if(!sshc->sftp_dir) {
+ failf(data, "Could not open directory for reading: %s",
+ ssh_get_error(sshc->ssh_session));
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+ state(conn, SSH_SFTP_READDIR);
+ break;
+
+ case SSH_SFTP_READDIR:
+
+ if(sshc->readdir_attrs)
+ sftp_attributes_free(sshc->readdir_attrs);
+
+ sshc->readdir_attrs = sftp_readdir(sshc->sftp_session, sshc->sftp_dir);
+ if(sshc->readdir_attrs) {
+ sshc->readdir_filename = sshc->readdir_attrs->name;
+ sshc->readdir_longentry = sshc->readdir_attrs->longname;
+ sshc->readdir_len = strlen(sshc->readdir_filename);
+
+ if(data->set.ftp_list_only) {
+ char *tmpLine;
+
+ tmpLine = aprintf("%s\n", sshc->readdir_filename);
+ if(tmpLine == NULL) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+ result = Curl_client_write(conn, CLIENTWRITE_BODY,
+ tmpLine, sshc->readdir_len + 1);
+ free(tmpLine);
+
+ if(result) {
+ state(conn, SSH_STOP);
+ break;
+ }
+ /* since this counts what we send to the client, we include the
+ newline in this counter */
+ data->req.bytecount += sshc->readdir_len + 1;
+
+ /* output debug output if that is requested */
Curl_debug(data, CURLINFO_DATA_OUT, (char *)sshc->readdir_filename,
sshc->readdir_len);
- }
- else {
- sshc->readdir_currLen = strlen(sshc->readdir_longentry);
- sshc->readdir_totalLen = 80 + sshc->readdir_currLen;
- sshc->readdir_line = calloc(sshc->readdir_totalLen, 1);
- if(!sshc->readdir_line) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
-
- memcpy(sshc->readdir_line, sshc->readdir_longentry,
- sshc->readdir_currLen);
- if((sshc->readdir_attrs->flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
- ((sshc->readdir_attrs->permissions & S_IFMT) ==
- S_IFLNK)) {
- sshc->readdir_linkPath = malloc(PATH_MAX + 1);
- if(sshc->readdir_linkPath == NULL) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
-
- msnprintf(sshc->readdir_linkPath, PATH_MAX, "%s%s", protop->path,
- sshc->readdir_filename);
-
- state(conn, SSH_SFTP_READDIR_LINK);
- break;
- }
- state(conn, SSH_SFTP_READDIR_BOTTOM);
- break;
- }
- }
+ }
+ else {
+ sshc->readdir_currLen = strlen(sshc->readdir_longentry);
+ sshc->readdir_totalLen = 80 + sshc->readdir_currLen;
+ sshc->readdir_line = calloc(sshc->readdir_totalLen, 1);
+ if(!sshc->readdir_line) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+
+ memcpy(sshc->readdir_line, sshc->readdir_longentry,
+ sshc->readdir_currLen);
+ if((sshc->readdir_attrs->flags & SSH_FILEXFER_ATTR_PERMISSIONS) &&
+ ((sshc->readdir_attrs->permissions & S_IFMT) ==
+ S_IFLNK)) {
+ sshc->readdir_linkPath = malloc(PATH_MAX + 1);
+ if(sshc->readdir_linkPath == NULL) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+
+ msnprintf(sshc->readdir_linkPath, PATH_MAX, "%s%s", protop->path,
+ sshc->readdir_filename);
+
+ state(conn, SSH_SFTP_READDIR_LINK);
+ break;
+ }
+ state(conn, SSH_SFTP_READDIR_BOTTOM);
+ break;
+ }
+ }
else if(sftp_dir_eof(sshc->sftp_dir)) {
- state(conn, SSH_SFTP_READDIR_DONE);
- break;
- }
- else {
- failf(data, "Could not open remote file for reading: %s",
- ssh_get_error(sshc->ssh_session));
- MOVE_TO_SFTP_CLOSE_STATE();
- break;
- }
- break;
-
- case SSH_SFTP_READDIR_LINK:
- if(sshc->readdir_link_attrs)
- sftp_attributes_free(sshc->readdir_link_attrs);
-
- sshc->readdir_link_attrs = sftp_lstat(sshc->sftp_session,
- sshc->readdir_linkPath);
- if(sshc->readdir_link_attrs == 0) {
- failf(data, "Could not read symlink for reading: %s",
- ssh_get_error(sshc->ssh_session));
- MOVE_TO_SFTP_CLOSE_STATE();
- }
-
- if(sshc->readdir_link_attrs->name == NULL) {
- sshc->readdir_tmp = sftp_readlink(sshc->sftp_session,
- sshc->readdir_linkPath);
- if(sshc->readdir_filename == NULL)
- sshc->readdir_len = 0;
- else
- sshc->readdir_len = strlen(sshc->readdir_tmp);
- sshc->readdir_longentry = NULL;
- sshc->readdir_filename = sshc->readdir_tmp;
- }
- else {
- sshc->readdir_len = strlen(sshc->readdir_link_attrs->name);
- sshc->readdir_filename = sshc->readdir_link_attrs->name;
- sshc->readdir_longentry = sshc->readdir_link_attrs->longname;
- }
-
- Curl_safefree(sshc->readdir_linkPath);
-
- /* get room for the filename and extra output */
- sshc->readdir_totalLen += 4 + sshc->readdir_len;
- new_readdir_line = Curl_saferealloc(sshc->readdir_line,
- sshc->readdir_totalLen);
- if(!new_readdir_line) {
- sshc->readdir_line = NULL;
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
- sshc->readdir_line = new_readdir_line;
-
- sshc->readdir_currLen += msnprintf(sshc->readdir_line +
- sshc->readdir_currLen,
- sshc->readdir_totalLen -
- sshc->readdir_currLen,
- " -> %s",
- sshc->readdir_filename);
-
- sftp_attributes_free(sshc->readdir_link_attrs);
- sshc->readdir_link_attrs = NULL;
- sshc->readdir_filename = NULL;
- sshc->readdir_longentry = NULL;
-
- state(conn, SSH_SFTP_READDIR_BOTTOM);
- /* FALLTHROUGH */
- case SSH_SFTP_READDIR_BOTTOM:
- sshc->readdir_currLen += msnprintf(sshc->readdir_line +
- sshc->readdir_currLen,
- sshc->readdir_totalLen -
- sshc->readdir_currLen, "\n");
- result = Curl_client_write(conn, CLIENTWRITE_BODY,
- sshc->readdir_line,
- sshc->readdir_currLen);
-
- if(!result) {
- /* output debug output if that is requested */
+ state(conn, SSH_SFTP_READDIR_DONE);
+ break;
+ }
+ else {
+ failf(data, "Could not open remote file for reading: %s",
+ ssh_get_error(sshc->ssh_session));
+ MOVE_TO_SFTP_CLOSE_STATE();
+ break;
+ }
+ break;
+
+ case SSH_SFTP_READDIR_LINK:
+ if(sshc->readdir_link_attrs)
+ sftp_attributes_free(sshc->readdir_link_attrs);
+
+ sshc->readdir_link_attrs = sftp_lstat(sshc->sftp_session,
+ sshc->readdir_linkPath);
+ if(sshc->readdir_link_attrs == 0) {
+ failf(data, "Could not read symlink for reading: %s",
+ ssh_get_error(sshc->ssh_session));
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+
+ if(sshc->readdir_link_attrs->name == NULL) {
+ sshc->readdir_tmp = sftp_readlink(sshc->sftp_session,
+ sshc->readdir_linkPath);
+ if(sshc->readdir_filename == NULL)
+ sshc->readdir_len = 0;
+ else
+ sshc->readdir_len = strlen(sshc->readdir_tmp);
+ sshc->readdir_longentry = NULL;
+ sshc->readdir_filename = sshc->readdir_tmp;
+ }
+ else {
+ sshc->readdir_len = strlen(sshc->readdir_link_attrs->name);
+ sshc->readdir_filename = sshc->readdir_link_attrs->name;
+ sshc->readdir_longentry = sshc->readdir_link_attrs->longname;
+ }
+
+ Curl_safefree(sshc->readdir_linkPath);
+
+ /* get room for the filename and extra output */
+ sshc->readdir_totalLen += 4 + sshc->readdir_len;
+ new_readdir_line = Curl_saferealloc(sshc->readdir_line,
+ sshc->readdir_totalLen);
+ if(!new_readdir_line) {
+ sshc->readdir_line = NULL;
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+ sshc->readdir_line = new_readdir_line;
+
+ sshc->readdir_currLen += msnprintf(sshc->readdir_line +
+ sshc->readdir_currLen,
+ sshc->readdir_totalLen -
+ sshc->readdir_currLen,
+ " -> %s",
+ sshc->readdir_filename);
+
+ sftp_attributes_free(sshc->readdir_link_attrs);
+ sshc->readdir_link_attrs = NULL;
+ sshc->readdir_filename = NULL;
+ sshc->readdir_longentry = NULL;
+
+ state(conn, SSH_SFTP_READDIR_BOTTOM);
+ /* FALLTHROUGH */
+ case SSH_SFTP_READDIR_BOTTOM:
+ sshc->readdir_currLen += msnprintf(sshc->readdir_line +
+ sshc->readdir_currLen,
+ sshc->readdir_totalLen -
+ sshc->readdir_currLen, "\n");
+ result = Curl_client_write(conn, CLIENTWRITE_BODY,
+ sshc->readdir_line,
+ sshc->readdir_currLen);
+
+ if(!result) {
+ /* output debug output if that is requested */
Curl_debug(data, CURLINFO_DATA_OUT, sshc->readdir_line,
sshc->readdir_currLen);
- data->req.bytecount += sshc->readdir_currLen;
- }
- Curl_safefree(sshc->readdir_line);
- ssh_string_free_char(sshc->readdir_tmp);
- sshc->readdir_tmp = NULL;
-
- if(result) {
- state(conn, SSH_STOP);
- }
- else
- state(conn, SSH_SFTP_READDIR);
- break;
-
- case SSH_SFTP_READDIR_DONE:
- sftp_closedir(sshc->sftp_dir);
- sshc->sftp_dir = NULL;
-
- /* no data to transfer */
- Curl_setup_transfer(data, -1, -1, FALSE, -1);
- state(conn, SSH_STOP);
- break;
-
- case SSH_SFTP_DOWNLOAD_INIT:
- /*
- * Work on getting the specified file
- */
- if(sshc->sftp_file)
- sftp_close(sshc->sftp_file);
-
- sshc->sftp_file = sftp_open(sshc->sftp_session, protop->path,
- O_RDONLY, (mode_t)data->set.new_file_perms);
- if(!sshc->sftp_file) {
- failf(data, "Could not open remote file for reading: %s",
- ssh_get_error(sshc->ssh_session));
-
- MOVE_TO_SFTP_CLOSE_STATE();
- }
-
- state(conn, SSH_SFTP_DOWNLOAD_STAT);
- break;
-
- case SSH_SFTP_DOWNLOAD_STAT:
- {
- sftp_attributes attrs;
- curl_off_t size;
-
- attrs = sftp_fstat(sshc->sftp_file);
- if(!attrs ||
- !(attrs->flags & SSH_FILEXFER_ATTR_SIZE) ||
- (attrs->size == 0)) {
- /*
- * sftp_fstat didn't return an error, so maybe the server
- * just doesn't support stat()
- * OR the server doesn't return a file size with a stat()
- * OR file size is 0
- */
- data->req.size = -1;
- data->req.maxdownload = -1;
- Curl_pgrsSetDownloadSize(data, -1);
- size = 0;
- }
- else {
- size = attrs->size;
-
- sftp_attributes_free(attrs);
-
- if(size < 0) {
- failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- if(conn->data->state.use_range) {
- curl_off_t from, to;
- char *ptr;
- char *ptr2;
- CURLofft to_t;
- CURLofft from_t;
-
- from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
- if(from_t == CURL_OFFT_FLOW) {
- return CURLE_RANGE_ERROR;
- }
- while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
- ptr++;
- to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
- if(to_t == CURL_OFFT_FLOW) {
- return CURLE_RANGE_ERROR;
- }
- if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
- || (to >= size)) {
- to = size - 1;
- }
- if(from_t) {
- /* from is relative to end of file */
- from = size - to;
- to = size - 1;
- }
- if(from > size) {
- failf(data, "Offset (%"
- CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
- CURL_FORMAT_CURL_OFF_T ")", from, size);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- if(from > to) {
- from = to;
- size = 0;
- }
- else {
- size = to - from + 1;
- }
-
- rc = sftp_seek64(sshc->sftp_file, from);
- if(rc != 0) {
- MOVE_TO_SFTP_CLOSE_STATE();
- }
- }
- data->req.size = size;
- data->req.maxdownload = size;
- Curl_pgrsSetDownloadSize(data, size);
- }
-
- /* We can resume if we can seek to the resume position */
- if(data->state.resume_from) {
- if(data->state.resume_from < 0) {
- /* We're supposed to download the last abs(from) bytes */
- if((curl_off_t)size < -data->state.resume_from) {
- failf(data, "Offset (%"
- CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
- CURL_FORMAT_CURL_OFF_T ")",
- data->state.resume_from, size);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- /* download from where? */
- data->state.resume_from += size;
- }
- else {
- if((curl_off_t)size < data->state.resume_from) {
- failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
- ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
- data->state.resume_from, size);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- }
- /* Now store the number of bytes we are expected to download */
- data->req.size = size - data->state.resume_from;
- data->req.maxdownload = size - data->state.resume_from;
- Curl_pgrsSetDownloadSize(data,
- size - data->state.resume_from);
-
- rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
- if(rc != 0) {
- MOVE_TO_SFTP_CLOSE_STATE();
- }
- }
- }
-
- /* Setup the actual download */
- if(data->req.size == 0) {
- /* no data to transfer */
- Curl_setup_transfer(data, -1, -1, FALSE, -1);
- infof(data, "File already completely downloaded\n");
- state(conn, SSH_STOP);
- break;
- }
- Curl_setup_transfer(data, FIRSTSOCKET, data->req.size, FALSE, -1);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->writesockfd = conn->sockfd;
-
- /* we want to use the _receiving_ function even when the socket turns
- out writableable as the underlying libssh recv function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_IN;
-
- if(result) {
- /* this should never occur; the close state should be entered
- at the time the error occurs */
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = result;
- }
- else {
- sshc->sftp_recv_state = 0;
- state(conn, SSH_STOP);
- }
- break;
-
- case SSH_SFTP_CLOSE:
- if(sshc->sftp_file) {
- sftp_close(sshc->sftp_file);
- sshc->sftp_file = NULL;
- }
- Curl_safefree(protop->path);
-
- DEBUGF(infof(data, "SFTP DONE done\n"));
-
- /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
- After nextstate is executed, the control should come back to
- SSH_SFTP_CLOSE to pass the correct result back */
- if(sshc->nextstate != SSH_NO_STATE &&
- sshc->nextstate != SSH_SFTP_CLOSE) {
- state(conn, sshc->nextstate);
- sshc->nextstate = SSH_SFTP_CLOSE;
- }
- else {
- state(conn, SSH_STOP);
- result = sshc->actualcode;
- }
- break;
-
- case SSH_SFTP_SHUTDOWN:
- /* during times we get here due to a broken transfer and then the
- sftp_handle might not have been taken down so make sure that is done
- before we proceed */
-
- if(sshc->sftp_file) {
- sftp_close(sshc->sftp_file);
- sshc->sftp_file = NULL;
- }
-
- if(sshc->sftp_session) {
- sftp_free(sshc->sftp_session);
- sshc->sftp_session = NULL;
- }
-
- SSH_STRING_FREE_CHAR(sshc->homedir);
- conn->data->state.most_recent_ftp_entrypath = NULL;
-
- state(conn, SSH_SESSION_DISCONNECT);
- break;
-
-
- case SSH_SCP_TRANS_INIT:
- result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
- if(result) {
- sshc->actualcode = result;
- state(conn, SSH_STOP);
- break;
- }
-
- /* Functions from the SCP subsystem cannot handle/return SSH_AGAIN */
- ssh_set_blocking(sshc->ssh_session, 1);
-
- if(data->set.upload) {
- if(data->state.infilesize < 0) {
- failf(data, "SCP requires a known file size for upload");
- sshc->actualcode = CURLE_UPLOAD_FAILED;
- MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
- }
-
- sshc->scp_session =
- ssh_scp_new(sshc->ssh_session, SSH_SCP_WRITE, protop->path);
- state(conn, SSH_SCP_UPLOAD_INIT);
- }
- else {
- sshc->scp_session =
- ssh_scp_new(sshc->ssh_session, SSH_SCP_READ, protop->path);
- state(conn, SSH_SCP_DOWNLOAD_INIT);
- }
-
- if(!sshc->scp_session) {
- err_msg = ssh_get_error(sshc->ssh_session);
- failf(conn->data, "%s", err_msg);
- MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
- }
-
- break;
-
- case SSH_SCP_UPLOAD_INIT:
-
- rc = ssh_scp_init(sshc->scp_session);
- if(rc != SSH_OK) {
- err_msg = ssh_get_error(sshc->ssh_session);
- failf(conn->data, "%s", err_msg);
- MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
- }
-
- rc = ssh_scp_push_file(sshc->scp_session, protop->path,
- data->state.infilesize,
- (int)data->set.new_file_perms);
- if(rc != SSH_OK) {
- err_msg = ssh_get_error(sshc->ssh_session);
- failf(conn->data, "%s", err_msg);
- MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
- }
-
- /* upload data */
- Curl_setup_transfer(data, -1, data->req.size, FALSE, FIRSTSOCKET);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->sockfd = conn->writesockfd;
-
- /* store this original bitmask setup to use later on if we can't
- figure out a "real" bitmask */
- sshc->orig_waitfor = data->req.keepon;
-
- /* we want to use the _sending_ function even when the socket turns
- out readable as the underlying libssh scp send function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_OUT;
-
- state(conn, SSH_STOP);
-
- break;
-
- case SSH_SCP_DOWNLOAD_INIT:
-
- rc = ssh_scp_init(sshc->scp_session);
- if(rc != SSH_OK) {
- err_msg = ssh_get_error(sshc->ssh_session);
- failf(conn->data, "%s", err_msg);
- MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
- }
- state(conn, SSH_SCP_DOWNLOAD);
- /* FALLTHROUGH */
-
- case SSH_SCP_DOWNLOAD:{
- curl_off_t bytecount;
-
- rc = ssh_scp_pull_request(sshc->scp_session);
- if(rc != SSH_SCP_REQUEST_NEWFILE) {
- err_msg = ssh_get_error(sshc->ssh_session);
- failf(conn->data, "%s", err_msg);
- MOVE_TO_ERROR_STATE(CURLE_REMOTE_FILE_NOT_FOUND);
- break;
- }
-
- /* download data */
- bytecount = ssh_scp_request_get_size(sshc->scp_session);
- data->req.maxdownload = (curl_off_t) bytecount;
- Curl_setup_transfer(data, FIRSTSOCKET, bytecount, FALSE, -1);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->writesockfd = conn->sockfd;
-
- /* we want to use the _receiving_ function even when the socket turns
- out writableable as the underlying libssh recv function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_IN;
-
- state(conn, SSH_STOP);
- break;
- }
- case SSH_SCP_DONE:
- if(data->set.upload)
- state(conn, SSH_SCP_SEND_EOF);
- else
- state(conn, SSH_SCP_CHANNEL_FREE);
- break;
-
- case SSH_SCP_SEND_EOF:
- if(sshc->scp_session) {
- rc = ssh_scp_close(sshc->scp_session);
- if(rc == SSH_AGAIN) {
- /* Currently the ssh_scp_close handles waiting for EOF in
- * blocking way.
- */
- break;
- }
- if(rc != SSH_OK) {
- infof(data, "Failed to close libssh scp channel: %s\n",
- ssh_get_error(sshc->ssh_session));
- }
- }
-
- state(conn, SSH_SCP_CHANNEL_FREE);
- break;
-
- case SSH_SCP_CHANNEL_FREE:
- if(sshc->scp_session) {
- ssh_scp_free(sshc->scp_session);
- sshc->scp_session = NULL;
- }
- DEBUGF(infof(data, "SCP DONE phase complete\n"));
-
- ssh_set_blocking(sshc->ssh_session, 0);
-
- state(conn, SSH_SESSION_DISCONNECT);
- /* FALLTHROUGH */
-
- case SSH_SESSION_DISCONNECT:
- /* during weird times when we've been prematurely aborted, the channel
- is still alive when we reach this state and we MUST kill the channel
- properly first */
- if(sshc->scp_session) {
- ssh_scp_free(sshc->scp_session);
- sshc->scp_session = NULL;
- }
-
- ssh_disconnect(sshc->ssh_session);
-
- SSH_STRING_FREE_CHAR(sshc->homedir);
- conn->data->state.most_recent_ftp_entrypath = NULL;
-
- state(conn, SSH_SESSION_FREE);
- /* FALLTHROUGH */
- case SSH_SESSION_FREE:
- if(sshc->ssh_session) {
- ssh_free(sshc->ssh_session);
- sshc->ssh_session = NULL;
- }
-
- /* worst-case scenario cleanup */
-
- DEBUGASSERT(sshc->ssh_session == NULL);
- DEBUGASSERT(sshc->scp_session == NULL);
-
- if(sshc->readdir_tmp) {
- ssh_string_free_char(sshc->readdir_tmp);
- sshc->readdir_tmp = NULL;
- }
-
- if(sshc->quote_attrs)
- sftp_attributes_free(sshc->quote_attrs);
-
- if(sshc->readdir_attrs)
- sftp_attributes_free(sshc->readdir_attrs);
-
- if(sshc->readdir_link_attrs)
- sftp_attributes_free(sshc->readdir_link_attrs);
-
- if(sshc->privkey)
- ssh_key_free(sshc->privkey);
- if(sshc->pubkey)
- ssh_key_free(sshc->pubkey);
-
- Curl_safefree(sshc->rsa_pub);
- Curl_safefree(sshc->rsa);
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- Curl_safefree(sshc->readdir_line);
- Curl_safefree(sshc->readdir_linkPath);
- SSH_STRING_FREE_CHAR(sshc->homedir);
-
- /* the code we are about to return */
- result = sshc->actualcode;
-
- memset(sshc, 0, sizeof(struct ssh_conn));
-
- connclose(conn, "SSH session free");
- sshc->state = SSH_SESSION_FREE; /* current */
- sshc->nextstate = SSH_NO_STATE;
- state(conn, SSH_STOP);
- break;
-
- case SSH_QUIT:
- /* fallthrough, just stop! */
- default:
- /* internal error */
- sshc->nextstate = SSH_NO_STATE;
- state(conn, SSH_STOP);
- break;
-
- }
- } while(!rc && (sshc->state != SSH_STOP));
-
-
- if(rc == SSH_AGAIN) {
- /* we would block, we need to wait for the socket to be ready (in the
- right direction too)! */
- *block = TRUE;
- }
-
- return result;
-}
-
-
-/* called by the multi interface to figure out what socket(s) to wait for and
- for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
-static int myssh_perform_getsock(const struct connectdata *conn,
- curl_socket_t *sock)
-{
- int bitmap = GETSOCK_BLANK;
- sock[0] = conn->sock[FIRSTSOCKET];
-
- if(conn->waitfor & KEEP_RECV)
- bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
-
- if(conn->waitfor & KEEP_SEND)
- bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
-
- return bitmap;
-}
-
-/* Generic function called by the multi interface to figure out what socket(s)
- to wait for and for what actions during the DOING and PROTOCONNECT states*/
-static int myssh_getsock(struct connectdata *conn,
- curl_socket_t *sock)
-{
- /* if we know the direction we can use the generic *_getsock() function even
- for the protocol_connect and doing states */
- return myssh_perform_getsock(conn, sock);
-}
-
-static void myssh_block2waitfor(struct connectdata *conn, bool block)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
-
- /* If it didn't block, or nothing was returned by ssh_get_poll_flags
- * have the original set */
- conn->waitfor = sshc->orig_waitfor;
-
- if(block) {
- int dir = ssh_get_poll_flags(sshc->ssh_session);
- if(dir & SSH_READ_PENDING) {
- /* translate the libssh define bits into our own bit defines */
- conn->waitfor = KEEP_RECV;
- }
- else if(dir & SSH_WRITE_PENDING) {
- conn->waitfor = KEEP_SEND;
- }
- }
-}
-
-/* called repeatedly until done from multi.c */
-static CURLcode myssh_multi_statemach(struct connectdata *conn,
- bool *done)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
- bool block; /* we store the status and use that to provide a ssh_getsock()
- implementation */
- CURLcode result = myssh_statemach_act(conn, &block);
-
- *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
- myssh_block2waitfor(conn, block);
-
- return result;
-}
-
-static CURLcode myssh_block_statemach(struct connectdata *conn,
- bool disconnect)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
- CURLcode result = CURLE_OK;
- struct Curl_easy *data = conn->data;
-
- while((sshc->state != SSH_STOP) && !result) {
- bool block;
- timediff_t left = 1000;
- struct curltime now = Curl_now();
-
- result = myssh_statemach_act(conn, &block);
- if(result)
- break;
-
- if(!disconnect) {
- if(Curl_pgrsUpdate(conn))
- return CURLE_ABORTED_BY_CALLBACK;
-
- result = Curl_speedcheck(data, now);
- if(result)
- break;
-
- left = Curl_timeleft(data, NULL, FALSE);
- if(left < 0) {
- failf(data, "Operation timed out");
- return CURLE_OPERATION_TIMEDOUT;
- }
- }
-
+ data->req.bytecount += sshc->readdir_currLen;
+ }
+ Curl_safefree(sshc->readdir_line);
+ ssh_string_free_char(sshc->readdir_tmp);
+ sshc->readdir_tmp = NULL;
+
+ if(result) {
+ state(conn, SSH_STOP);
+ }
+ else
+ state(conn, SSH_SFTP_READDIR);
+ break;
+
+ case SSH_SFTP_READDIR_DONE:
+ sftp_closedir(sshc->sftp_dir);
+ sshc->sftp_dir = NULL;
+
+ /* no data to transfer */
+ Curl_setup_transfer(data, -1, -1, FALSE, -1);
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_SFTP_DOWNLOAD_INIT:
+ /*
+ * Work on getting the specified file
+ */
+ if(sshc->sftp_file)
+ sftp_close(sshc->sftp_file);
+
+ sshc->sftp_file = sftp_open(sshc->sftp_session, protop->path,
+ O_RDONLY, (mode_t)data->set.new_file_perms);
+ if(!sshc->sftp_file) {
+ failf(data, "Could not open remote file for reading: %s",
+ ssh_get_error(sshc->ssh_session));
+
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+
+ state(conn, SSH_SFTP_DOWNLOAD_STAT);
+ break;
+
+ case SSH_SFTP_DOWNLOAD_STAT:
+ {
+ sftp_attributes attrs;
+ curl_off_t size;
+
+ attrs = sftp_fstat(sshc->sftp_file);
+ if(!attrs ||
+ !(attrs->flags & SSH_FILEXFER_ATTR_SIZE) ||
+ (attrs->size == 0)) {
+ /*
+ * sftp_fstat didn't return an error, so maybe the server
+ * just doesn't support stat()
+ * OR the server doesn't return a file size with a stat()
+ * OR file size is 0
+ */
+ data->req.size = -1;
+ data->req.maxdownload = -1;
+ Curl_pgrsSetDownloadSize(data, -1);
+ size = 0;
+ }
+ else {
+ size = attrs->size;
+
+ sftp_attributes_free(attrs);
+
+ if(size < 0) {
+ failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ if(conn->data->state.use_range) {
+ curl_off_t from, to;
+ char *ptr;
+ char *ptr2;
+ CURLofft to_t;
+ CURLofft from_t;
+
+ from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
+ if(from_t == CURL_OFFT_FLOW) {
+ return CURLE_RANGE_ERROR;
+ }
+ while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
+ ptr++;
+ to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
+ if(to_t == CURL_OFFT_FLOW) {
+ return CURLE_RANGE_ERROR;
+ }
+ if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
+ || (to >= size)) {
+ to = size - 1;
+ }
+ if(from_t) {
+ /* from is relative to end of file */
+ from = size - to;
+ to = size - 1;
+ }
+ if(from > size) {
+ failf(data, "Offset (%"
+ CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+ CURL_FORMAT_CURL_OFF_T ")", from, size);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ if(from > to) {
+ from = to;
+ size = 0;
+ }
+ else {
+ size = to - from + 1;
+ }
+
+ rc = sftp_seek64(sshc->sftp_file, from);
+ if(rc != 0) {
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+ }
+ data->req.size = size;
+ data->req.maxdownload = size;
+ Curl_pgrsSetDownloadSize(data, size);
+ }
+
+ /* We can resume if we can seek to the resume position */
+ if(data->state.resume_from) {
+ if(data->state.resume_from < 0) {
+ /* We're supposed to download the last abs(from) bytes */
+ if((curl_off_t)size < -data->state.resume_from) {
+ failf(data, "Offset (%"
+ CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+ CURL_FORMAT_CURL_OFF_T ")",
+ data->state.resume_from, size);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ /* download from where? */
+ data->state.resume_from += size;
+ }
+ else {
+ if((curl_off_t)size < data->state.resume_from) {
+ failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+ ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+ data->state.resume_from, size);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ }
+ /* Now store the number of bytes we are expected to download */
+ data->req.size = size - data->state.resume_from;
+ data->req.maxdownload = size - data->state.resume_from;
+ Curl_pgrsSetDownloadSize(data,
+ size - data->state.resume_from);
+
+ rc = sftp_seek64(sshc->sftp_file, data->state.resume_from);
+ if(rc != 0) {
+ MOVE_TO_SFTP_CLOSE_STATE();
+ }
+ }
+ }
+
+ /* Setup the actual download */
+ if(data->req.size == 0) {
+ /* no data to transfer */
+ Curl_setup_transfer(data, -1, -1, FALSE, -1);
+ infof(data, "File already completely downloaded\n");
+ state(conn, SSH_STOP);
+ break;
+ }
+ Curl_setup_transfer(data, FIRSTSOCKET, data->req.size, FALSE, -1);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->writesockfd = conn->sockfd;
+
+ /* we want to use the _receiving_ function even when the socket turns
+ out writableable as the underlying libssh recv function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_IN;
+
+ if(result) {
+ /* this should never occur; the close state should be entered
+ at the time the error occurs */
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = result;
+ }
+ else {
+ sshc->sftp_recv_state = 0;
+ state(conn, SSH_STOP);
+ }
+ break;
+
+ case SSH_SFTP_CLOSE:
+ if(sshc->sftp_file) {
+ sftp_close(sshc->sftp_file);
+ sshc->sftp_file = NULL;
+ }
+ Curl_safefree(protop->path);
+
+ DEBUGF(infof(data, "SFTP DONE done\n"));
+
+ /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
+ After nextstate is executed, the control should come back to
+ SSH_SFTP_CLOSE to pass the correct result back */
+ if(sshc->nextstate != SSH_NO_STATE &&
+ sshc->nextstate != SSH_SFTP_CLOSE) {
+ state(conn, sshc->nextstate);
+ sshc->nextstate = SSH_SFTP_CLOSE;
+ }
+ else {
+ state(conn, SSH_STOP);
+ result = sshc->actualcode;
+ }
+ break;
+
+ case SSH_SFTP_SHUTDOWN:
+ /* during times we get here due to a broken transfer and then the
+ sftp_handle might not have been taken down so make sure that is done
+ before we proceed */
+
+ if(sshc->sftp_file) {
+ sftp_close(sshc->sftp_file);
+ sshc->sftp_file = NULL;
+ }
+
+ if(sshc->sftp_session) {
+ sftp_free(sshc->sftp_session);
+ sshc->sftp_session = NULL;
+ }
+
+ SSH_STRING_FREE_CHAR(sshc->homedir);
+ conn->data->state.most_recent_ftp_entrypath = NULL;
+
+ state(conn, SSH_SESSION_DISCONNECT);
+ break;
+
+
+ case SSH_SCP_TRANS_INIT:
+ result = Curl_getworkingpath(conn, sshc->homedir, &protop->path);
+ if(result) {
+ sshc->actualcode = result;
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ /* Functions from the SCP subsystem cannot handle/return SSH_AGAIN */
+ ssh_set_blocking(sshc->ssh_session, 1);
+
+ if(data->set.upload) {
+ if(data->state.infilesize < 0) {
+ failf(data, "SCP requires a known file size for upload");
+ sshc->actualcode = CURLE_UPLOAD_FAILED;
+ MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+ }
+
+ sshc->scp_session =
+ ssh_scp_new(sshc->ssh_session, SSH_SCP_WRITE, protop->path);
+ state(conn, SSH_SCP_UPLOAD_INIT);
+ }
+ else {
+ sshc->scp_session =
+ ssh_scp_new(sshc->ssh_session, SSH_SCP_READ, protop->path);
+ state(conn, SSH_SCP_DOWNLOAD_INIT);
+ }
+
+ if(!sshc->scp_session) {
+ err_msg = ssh_get_error(sshc->ssh_session);
+ failf(conn->data, "%s", err_msg);
+ MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+ }
+
+ break;
+
+ case SSH_SCP_UPLOAD_INIT:
+
+ rc = ssh_scp_init(sshc->scp_session);
+ if(rc != SSH_OK) {
+ err_msg = ssh_get_error(sshc->ssh_session);
+ failf(conn->data, "%s", err_msg);
+ MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+ }
+
+ rc = ssh_scp_push_file(sshc->scp_session, protop->path,
+ data->state.infilesize,
+ (int)data->set.new_file_perms);
+ if(rc != SSH_OK) {
+ err_msg = ssh_get_error(sshc->ssh_session);
+ failf(conn->data, "%s", err_msg);
+ MOVE_TO_ERROR_STATE(CURLE_UPLOAD_FAILED);
+ }
+
+ /* upload data */
+ Curl_setup_transfer(data, -1, data->req.size, FALSE, FIRSTSOCKET);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->sockfd = conn->writesockfd;
+
+ /* store this original bitmask setup to use later on if we can't
+ figure out a "real" bitmask */
+ sshc->orig_waitfor = data->req.keepon;
+
+ /* we want to use the _sending_ function even when the socket turns
+ out readable as the underlying libssh scp send function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_OUT;
+
+ state(conn, SSH_STOP);
+
+ break;
+
+ case SSH_SCP_DOWNLOAD_INIT:
+
+ rc = ssh_scp_init(sshc->scp_session);
+ if(rc != SSH_OK) {
+ err_msg = ssh_get_error(sshc->ssh_session);
+ failf(conn->data, "%s", err_msg);
+ MOVE_TO_ERROR_STATE(CURLE_COULDNT_CONNECT);
+ }
+ state(conn, SSH_SCP_DOWNLOAD);
+ /* FALLTHROUGH */
+
+ case SSH_SCP_DOWNLOAD:{
+ curl_off_t bytecount;
+
+ rc = ssh_scp_pull_request(sshc->scp_session);
+ if(rc != SSH_SCP_REQUEST_NEWFILE) {
+ err_msg = ssh_get_error(sshc->ssh_session);
+ failf(conn->data, "%s", err_msg);
+ MOVE_TO_ERROR_STATE(CURLE_REMOTE_FILE_NOT_FOUND);
+ break;
+ }
+
+ /* download data */
+ bytecount = ssh_scp_request_get_size(sshc->scp_session);
+ data->req.maxdownload = (curl_off_t) bytecount;
+ Curl_setup_transfer(data, FIRSTSOCKET, bytecount, FALSE, -1);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->writesockfd = conn->sockfd;
+
+ /* we want to use the _receiving_ function even when the socket turns
+ out writableable as the underlying libssh recv function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_IN;
+
+ state(conn, SSH_STOP);
+ break;
+ }
+ case SSH_SCP_DONE:
+ if(data->set.upload)
+ state(conn, SSH_SCP_SEND_EOF);
+ else
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ break;
+
+ case SSH_SCP_SEND_EOF:
+ if(sshc->scp_session) {
+ rc = ssh_scp_close(sshc->scp_session);
+ if(rc == SSH_AGAIN) {
+ /* Currently the ssh_scp_close handles waiting for EOF in
+ * blocking way.
+ */
+ break;
+ }
+ if(rc != SSH_OK) {
+ infof(data, "Failed to close libssh scp channel: %s\n",
+ ssh_get_error(sshc->ssh_session));
+ }
+ }
+
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ break;
+
+ case SSH_SCP_CHANNEL_FREE:
+ if(sshc->scp_session) {
+ ssh_scp_free(sshc->scp_session);
+ sshc->scp_session = NULL;
+ }
+ DEBUGF(infof(data, "SCP DONE phase complete\n"));
+
+ ssh_set_blocking(sshc->ssh_session, 0);
+
+ state(conn, SSH_SESSION_DISCONNECT);
+ /* FALLTHROUGH */
+
+ case SSH_SESSION_DISCONNECT:
+ /* during weird times when we've been prematurely aborted, the channel
+ is still alive when we reach this state and we MUST kill the channel
+ properly first */
+ if(sshc->scp_session) {
+ ssh_scp_free(sshc->scp_session);
+ sshc->scp_session = NULL;
+ }
+
+ ssh_disconnect(sshc->ssh_session);
+
+ SSH_STRING_FREE_CHAR(sshc->homedir);
+ conn->data->state.most_recent_ftp_entrypath = NULL;
+
+ state(conn, SSH_SESSION_FREE);
+ /* FALLTHROUGH */
+ case SSH_SESSION_FREE:
+ if(sshc->ssh_session) {
+ ssh_free(sshc->ssh_session);
+ sshc->ssh_session = NULL;
+ }
+
+ /* worst-case scenario cleanup */
+
+ DEBUGASSERT(sshc->ssh_session == NULL);
+ DEBUGASSERT(sshc->scp_session == NULL);
+
+ if(sshc->readdir_tmp) {
+ ssh_string_free_char(sshc->readdir_tmp);
+ sshc->readdir_tmp = NULL;
+ }
+
+ if(sshc->quote_attrs)
+ sftp_attributes_free(sshc->quote_attrs);
+
+ if(sshc->readdir_attrs)
+ sftp_attributes_free(sshc->readdir_attrs);
+
+ if(sshc->readdir_link_attrs)
+ sftp_attributes_free(sshc->readdir_link_attrs);
+
+ if(sshc->privkey)
+ ssh_key_free(sshc->privkey);
+ if(sshc->pubkey)
+ ssh_key_free(sshc->pubkey);
+
+ Curl_safefree(sshc->rsa_pub);
+ Curl_safefree(sshc->rsa);
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ Curl_safefree(sshc->readdir_line);
+ Curl_safefree(sshc->readdir_linkPath);
+ SSH_STRING_FREE_CHAR(sshc->homedir);
+
+ /* the code we are about to return */
+ result = sshc->actualcode;
+
+ memset(sshc, 0, sizeof(struct ssh_conn));
+
+ connclose(conn, "SSH session free");
+ sshc->state = SSH_SESSION_FREE; /* current */
+ sshc->nextstate = SSH_NO_STATE;
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_QUIT:
+ /* fallthrough, just stop! */
+ default:
+ /* internal error */
+ sshc->nextstate = SSH_NO_STATE;
+ state(conn, SSH_STOP);
+ break;
+
+ }
+ } while(!rc && (sshc->state != SSH_STOP));
+
+
+ if(rc == SSH_AGAIN) {
+ /* we would block, we need to wait for the socket to be ready (in the
+ right direction too)! */
+ *block = TRUE;
+ }
+
+ return result;
+}
+
+
+/* called by the multi interface to figure out what socket(s) to wait for and
+ for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
+static int myssh_perform_getsock(const struct connectdata *conn,
+ curl_socket_t *sock)
+{
+ int bitmap = GETSOCK_BLANK;
+ sock[0] = conn->sock[FIRSTSOCKET];
+
+ if(conn->waitfor & KEEP_RECV)
+ bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
+
+ if(conn->waitfor & KEEP_SEND)
+ bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
+
+ return bitmap;
+}
+
+/* Generic function called by the multi interface to figure out what socket(s)
+ to wait for and for what actions during the DOING and PROTOCONNECT states*/
+static int myssh_getsock(struct connectdata *conn,
+ curl_socket_t *sock)
+{
+ /* if we know the direction we can use the generic *_getsock() function even
+ for the protocol_connect and doing states */
+ return myssh_perform_getsock(conn, sock);
+}
+
+static void myssh_block2waitfor(struct connectdata *conn, bool block)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+
+ /* If it didn't block, or nothing was returned by ssh_get_poll_flags
+ * have the original set */
+ conn->waitfor = sshc->orig_waitfor;
+
+ if(block) {
+ int dir = ssh_get_poll_flags(sshc->ssh_session);
+ if(dir & SSH_READ_PENDING) {
+ /* translate the libssh define bits into our own bit defines */
+ conn->waitfor = KEEP_RECV;
+ }
+ else if(dir & SSH_WRITE_PENDING) {
+ conn->waitfor = KEEP_SEND;
+ }
+ }
+}
+
+/* called repeatedly until done from multi.c */
+static CURLcode myssh_multi_statemach(struct connectdata *conn,
+ bool *done)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ bool block; /* we store the status and use that to provide a ssh_getsock()
+ implementation */
+ CURLcode result = myssh_statemach_act(conn, &block);
+
+ *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
+ myssh_block2waitfor(conn, block);
+
+ return result;
+}
+
+static CURLcode myssh_block_statemach(struct connectdata *conn,
+ bool disconnect)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ CURLcode result = CURLE_OK;
+ struct Curl_easy *data = conn->data;
+
+ while((sshc->state != SSH_STOP) && !result) {
+ bool block;
+ timediff_t left = 1000;
+ struct curltime now = Curl_now();
+
+ result = myssh_statemach_act(conn, &block);
+ if(result)
+ break;
+
+ if(!disconnect) {
+ if(Curl_pgrsUpdate(conn))
+ return CURLE_ABORTED_BY_CALLBACK;
+
+ result = Curl_speedcheck(data, now);
+ if(result)
+ break;
+
+ left = Curl_timeleft(data, NULL, FALSE);
+ if(left < 0) {
+ failf(data, "Operation timed out");
+ return CURLE_OPERATION_TIMEDOUT;
+ }
+ }
+
if(block) {
- curl_socket_t fd_read = conn->sock[FIRSTSOCKET];
- /* wait for the socket to become ready */
- (void) Curl_socket_check(fd_read, CURL_SOCKET_BAD,
- CURL_SOCKET_BAD, left > 1000 ? 1000 : left);
- }
-
- }
-
- return result;
-}
-
-/*
- * SSH setup connection
- */
-static CURLcode myssh_setup_connection(struct connectdata *conn)
-{
- struct SSHPROTO *ssh;
-
+ curl_socket_t fd_read = conn->sock[FIRSTSOCKET];
+ /* wait for the socket to become ready */
+ (void) Curl_socket_check(fd_read, CURL_SOCKET_BAD,
+ CURL_SOCKET_BAD, left > 1000 ? 1000 : left);
+ }
+
+ }
+
+ return result;
+}
+
+/*
+ * SSH setup connection
+ */
+static CURLcode myssh_setup_connection(struct connectdata *conn)
+{
+ struct SSHPROTO *ssh;
+
conn->data->req.p.ssh = ssh = calloc(1, sizeof(struct SSHPROTO));
- if(!ssh)
- return CURLE_OUT_OF_MEMORY;
-
- return CURLE_OK;
-}
-
-static Curl_recv scp_recv, sftp_recv;
-static Curl_send scp_send, sftp_send;
-
-/*
- * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
- * do protocol-specific actions at connect-time.
- */
-static CURLcode myssh_connect(struct connectdata *conn, bool *done)
-{
- struct ssh_conn *ssh;
- CURLcode result;
- curl_socket_t sock = conn->sock[FIRSTSOCKET];
- struct Curl_easy *data = conn->data;
+ if(!ssh)
+ return CURLE_OUT_OF_MEMORY;
+
+ return CURLE_OK;
+}
+
+static Curl_recv scp_recv, sftp_recv;
+static Curl_send scp_send, sftp_send;
+
+/*
+ * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
+ * do protocol-specific actions at connect-time.
+ */
+static CURLcode myssh_connect(struct connectdata *conn, bool *done)
+{
+ struct ssh_conn *ssh;
+ CURLcode result;
+ curl_socket_t sock = conn->sock[FIRSTSOCKET];
+ struct Curl_easy *data = conn->data;
int rc;
-
- /* initialize per-handle data if not already */
+
+ /* initialize per-handle data if not already */
if(!data->req.p.ssh)
- myssh_setup_connection(conn);
-
- /* We default to persistent connections. We set this already in this connect
- function to make the re-use checks properly be able to check this bit. */
- connkeep(conn, "SSH default");
-
- if(conn->handler->protocol & CURLPROTO_SCP) {
- conn->recv[FIRSTSOCKET] = scp_recv;
- conn->send[FIRSTSOCKET] = scp_send;
- }
- else {
- conn->recv[FIRSTSOCKET] = sftp_recv;
- conn->send[FIRSTSOCKET] = sftp_send;
- }
-
- ssh = &conn->proto.sshc;
-
- ssh->ssh_session = ssh_new();
- if(ssh->ssh_session == NULL) {
- failf(data, "Failure initialising ssh session");
- return CURLE_FAILED_INIT;
- }
-
+ myssh_setup_connection(conn);
+
+ /* We default to persistent connections. We set this already in this connect
+ function to make the re-use checks properly be able to check this bit. */
+ connkeep(conn, "SSH default");
+
+ if(conn->handler->protocol & CURLPROTO_SCP) {
+ conn->recv[FIRSTSOCKET] = scp_recv;
+ conn->send[FIRSTSOCKET] = scp_send;
+ }
+ else {
+ conn->recv[FIRSTSOCKET] = sftp_recv;
+ conn->send[FIRSTSOCKET] = sftp_send;
+ }
+
+ ssh = &conn->proto.sshc;
+
+ ssh->ssh_session = ssh_new();
+ if(ssh->ssh_session == NULL) {
+ failf(data, "Failure initialising ssh session");
+ return CURLE_FAILED_INIT;
+ }
+
rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_HOST, conn->host.name);
if(rc != SSH_OK) {
failf(data, "Could not set remote host");
return CURLE_FAILED_INIT;
}
-
+
rc = ssh_options_parse_config(ssh->ssh_session, NULL);
if(rc != SSH_OK) {
infof(data, "Could not parse SSH configuration files");
@@ -2191,24 +2191,24 @@ static CURLcode myssh_connect(struct connectdata *conn, bool *done)
}
if(conn->user && conn->user[0] != '\0') {
- infof(data, "User: %s\n", conn->user);
+ infof(data, "User: %s\n", conn->user);
rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_USER, conn->user);
if(rc != SSH_OK) {
failf(data, "Could not set user");
return CURLE_FAILED_INIT;
}
- }
-
- if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
- infof(data, "Known hosts: %s\n", data->set.str[STRING_SSH_KNOWNHOSTS]);
+ }
+
+ if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+ infof(data, "Known hosts: %s\n", data->set.str[STRING_SSH_KNOWNHOSTS]);
rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_KNOWNHOSTS,
data->set.str[STRING_SSH_KNOWNHOSTS]);
if(rc != SSH_OK) {
failf(data, "Could not set known hosts file path");
return CURLE_FAILED_INIT;
}
- }
-
+ }
+
if(conn->remote_port) {
rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_PORT,
&conn->remote_port);
@@ -2217,649 +2217,649 @@ static CURLcode myssh_connect(struct connectdata *conn, bool *done)
return CURLE_FAILED_INIT;
}
}
-
- if(data->set.ssh_compression) {
+
+ if(data->set.ssh_compression) {
rc = ssh_options_set(ssh->ssh_session, SSH_OPTIONS_COMPRESSION,
"zlib,zlib@openssh.com,none");
if(rc != SSH_OK) {
failf(data, "Could not set compression");
return CURLE_FAILED_INIT;
}
- }
-
- ssh->privkey = NULL;
- ssh->pubkey = NULL;
-
- if(data->set.str[STRING_SSH_PUBLIC_KEY]) {
+ }
+
+ ssh->privkey = NULL;
+ ssh->pubkey = NULL;
+
+ if(data->set.str[STRING_SSH_PUBLIC_KEY]) {
rc = ssh_pki_import_pubkey_file(data->set.str[STRING_SSH_PUBLIC_KEY],
&ssh->pubkey);
- if(rc != SSH_OK) {
- failf(data, "Could not load public key file");
+ if(rc != SSH_OK) {
+ failf(data, "Could not load public key file");
return CURLE_FAILED_INIT;
- }
- }
-
- /* we do not verify here, we do it at the state machine,
- * after connection */
-
- state(conn, SSH_INIT);
-
- result = myssh_multi_statemach(conn, done);
-
- return result;
-}
-
-/* called from multi.c while DOing */
-static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done)
-{
- CURLcode result;
-
- result = myssh_multi_statemach(conn, dophase_done);
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
- return result;
-}
-
-/*
- ***********************************************************************
- *
- * scp_perform()
- *
- * This is the actual DO function for SCP. Get a file according to
- * the options previously setup.
- */
-
-static
-CURLcode scp_perform(struct connectdata *conn,
- bool *connected, bool *dophase_done)
-{
- CURLcode result = CURLE_OK;
-
- DEBUGF(infof(conn->data, "DO phase starts\n"));
-
- *dophase_done = FALSE; /* not done yet */
-
- /* start the first command in the DO phase */
- state(conn, SSH_SCP_TRANS_INIT);
-
- result = myssh_multi_statemach(conn, dophase_done);
-
- *connected = conn->bits.tcpconnect[FIRSTSOCKET];
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
-
- return result;
-}
-
-static CURLcode myssh_do_it(struct connectdata *conn, bool *done)
-{
- CURLcode result;
- bool connected = 0;
- struct Curl_easy *data = conn->data;
- struct ssh_conn *sshc = &conn->proto.sshc;
-
- *done = FALSE; /* default to false */
-
- data->req.size = -1; /* make sure this is unknown at this point */
-
- sshc->actualcode = CURLE_OK; /* reset error code */
- sshc->secondCreateDirs = 0; /* reset the create dir attempt state
- variable */
-
- Curl_pgrsSetUploadCounter(data, 0);
- Curl_pgrsSetDownloadCounter(data, 0);
- Curl_pgrsSetUploadSize(data, -1);
- Curl_pgrsSetDownloadSize(data, -1);
-
- if(conn->handler->protocol & CURLPROTO_SCP)
- result = scp_perform(conn, &connected, done);
- else
- result = sftp_perform(conn, &connected, done);
-
- return result;
-}
-
-/* BLOCKING, but the function is using the state machine so the only reason
- this is still blocking is that the multi interface code has no support for
- disconnecting operations that takes a while */
-static CURLcode scp_disconnect(struct connectdata *conn,
- bool dead_connection)
-{
- CURLcode result = CURLE_OK;
- struct ssh_conn *ssh = &conn->proto.sshc;
- (void) dead_connection;
-
- if(ssh->ssh_session) {
- /* only if there's a session still around to use! */
-
- state(conn, SSH_SESSION_DISCONNECT);
-
- result = myssh_block_statemach(conn, TRUE);
- }
-
- return result;
-}
-
-/* generic done function for both SCP and SFTP called from their specific
- done functions */
-static CURLcode myssh_done(struct connectdata *conn, CURLcode status)
-{
- CURLcode result = CURLE_OK;
+ }
+ }
+
+ /* we do not verify here, we do it at the state machine,
+ * after connection */
+
+ state(conn, SSH_INIT);
+
+ result = myssh_multi_statemach(conn, done);
+
+ return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode scp_doing(struct connectdata *conn, bool *dophase_done)
+{
+ CURLcode result;
+
+ result = myssh_multi_statemach(conn, dophase_done);
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+ return result;
+}
+
+/*
+ ***********************************************************************
+ *
+ * scp_perform()
+ *
+ * This is the actual DO function for SCP. Get a file according to
+ * the options previously setup.
+ */
+
+static
+CURLcode scp_perform(struct connectdata *conn,
+ bool *connected, bool *dophase_done)
+{
+ CURLcode result = CURLE_OK;
+
+ DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+ *dophase_done = FALSE; /* not done yet */
+
+ /* start the first command in the DO phase */
+ state(conn, SSH_SCP_TRANS_INIT);
+
+ result = myssh_multi_statemach(conn, dophase_done);
+
+ *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+
+ return result;
+}
+
+static CURLcode myssh_do_it(struct connectdata *conn, bool *done)
+{
+ CURLcode result;
+ bool connected = 0;
+ struct Curl_easy *data = conn->data;
+ struct ssh_conn *sshc = &conn->proto.sshc;
+
+ *done = FALSE; /* default to false */
+
+ data->req.size = -1; /* make sure this is unknown at this point */
+
+ sshc->actualcode = CURLE_OK; /* reset error code */
+ sshc->secondCreateDirs = 0; /* reset the create dir attempt state
+ variable */
+
+ Curl_pgrsSetUploadCounter(data, 0);
+ Curl_pgrsSetDownloadCounter(data, 0);
+ Curl_pgrsSetUploadSize(data, -1);
+ Curl_pgrsSetDownloadSize(data, -1);
+
+ if(conn->handler->protocol & CURLPROTO_SCP)
+ result = scp_perform(conn, &connected, done);
+ else
+ result = sftp_perform(conn, &connected, done);
+
+ return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+ this is still blocking is that the multi interface code has no support for
+ disconnecting operations that takes a while */
+static CURLcode scp_disconnect(struct connectdata *conn,
+ bool dead_connection)
+{
+ CURLcode result = CURLE_OK;
+ struct ssh_conn *ssh = &conn->proto.sshc;
+ (void) dead_connection;
+
+ if(ssh->ssh_session) {
+ /* only if there's a session still around to use! */
+
+ state(conn, SSH_SESSION_DISCONNECT);
+
+ result = myssh_block_statemach(conn, TRUE);
+ }
+
+ return result;
+}
+
+/* generic done function for both SCP and SFTP called from their specific
+ done functions */
+static CURLcode myssh_done(struct connectdata *conn, CURLcode status)
+{
+ CURLcode result = CURLE_OK;
struct SSHPROTO *protop = conn->data->req.p.ssh;
-
- if(!status) {
- /* run the state-machine */
- result = myssh_block_statemach(conn, FALSE);
- }
- else
- result = status;
-
- if(protop)
- Curl_safefree(protop->path);
- if(Curl_pgrsDone(conn))
- return CURLE_ABORTED_BY_CALLBACK;
-
- conn->data->req.keepon = 0; /* clear all bits */
- return result;
-}
-
-
-static CURLcode scp_done(struct connectdata *conn, CURLcode status,
- bool premature)
-{
- (void) premature; /* not used */
-
- if(!status)
- state(conn, SSH_SCP_DONE);
-
- return myssh_done(conn, status);
-
-}
-
-static ssize_t scp_send(struct connectdata *conn, int sockindex,
- const void *mem, size_t len, CURLcode *err)
-{
- int rc;
- (void) sockindex; /* we only support SCP on the fixed known primary socket */
- (void) err;
-
- rc = ssh_scp_write(conn->proto.sshc.scp_session, mem, len);
-
-#if 0
- /* The following code is misleading, mostly added as wishful thinking
- * that libssh at some point will implement non-blocking ssh_scp_write/read.
- * Currently rc can only be number of bytes read or SSH_ERROR. */
- myssh_block2waitfor(conn, (rc == SSH_AGAIN) ? TRUE : FALSE);
-
- if(rc == SSH_AGAIN) {
- *err = CURLE_AGAIN;
- return 0;
- }
- else
-#endif
- if(rc != SSH_OK) {
- *err = CURLE_SSH;
- return -1;
- }
-
- return len;
-}
-
-static ssize_t scp_recv(struct connectdata *conn, int sockindex,
- char *mem, size_t len, CURLcode *err)
-{
- ssize_t nread;
- (void) err;
- (void) sockindex; /* we only support SCP on the fixed known primary socket */
-
- /* libssh returns int */
- nread = ssh_scp_read(conn->proto.sshc.scp_session, mem, len);
-
-#if 0
- /* The following code is misleading, mostly added as wishful thinking
- * that libssh at some point will implement non-blocking ssh_scp_write/read.
- * Currently rc can only be SSH_OK or SSH_ERROR. */
-
- myssh_block2waitfor(conn, (nread == SSH_AGAIN) ? TRUE : FALSE);
- if(nread == SSH_AGAIN) {
- *err = CURLE_AGAIN;
- nread = -1;
- }
-#endif
-
- return nread;
-}
-
-/*
- * =============== SFTP ===============
- */
-
-/*
- ***********************************************************************
- *
- * sftp_perform()
- *
- * This is the actual DO function for SFTP. Get a file/directory according to
- * the options previously setup.
- */
-
-static
-CURLcode sftp_perform(struct connectdata *conn,
- bool *connected,
- bool *dophase_done)
-{
- CURLcode result = CURLE_OK;
-
- DEBUGF(infof(conn->data, "DO phase starts\n"));
-
- *dophase_done = FALSE; /* not done yet */
-
- /* start the first command in the DO phase */
- state(conn, SSH_SFTP_QUOTE_INIT);
-
- /* run the state-machine */
- result = myssh_multi_statemach(conn, dophase_done);
-
- *connected = conn->bits.tcpconnect[FIRSTSOCKET];
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
-
- return result;
-}
-
-/* called from multi.c while DOing */
-static CURLcode sftp_doing(struct connectdata *conn,
- bool *dophase_done)
-{
- CURLcode result = myssh_multi_statemach(conn, dophase_done);
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
- return result;
-}
-
-/* BLOCKING, but the function is using the state machine so the only reason
- this is still blocking is that the multi interface code has no support for
- disconnecting operations that takes a while */
-static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
-{
- CURLcode result = CURLE_OK;
- (void) dead_connection;
-
- DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
-
- if(conn->proto.sshc.ssh_session) {
- /* only if there's a session still around to use! */
- state(conn, SSH_SFTP_SHUTDOWN);
- result = myssh_block_statemach(conn, TRUE);
- }
-
- DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
-
- return result;
-
-}
-
-static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
- bool premature)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
-
- if(!status) {
- /* Post quote commands are executed after the SFTP_CLOSE state to avoid
- errors that could happen due to open file handles during POSTQUOTE
- operation */
- if(!premature && conn->data->set.postquote && !conn->bits.retry)
- sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
- state(conn, SSH_SFTP_CLOSE);
- }
- return myssh_done(conn, status);
-}
-
-/* return number of sent bytes */
-static ssize_t sftp_send(struct connectdata *conn, int sockindex,
- const void *mem, size_t len, CURLcode *err)
-{
- ssize_t nwrite;
- (void)sockindex;
-
- nwrite = sftp_write(conn->proto.sshc.sftp_file, mem, len);
-
- myssh_block2waitfor(conn, FALSE);
-
-#if 0 /* not returned by libssh on write */
- if(nwrite == SSH_AGAIN) {
- *err = CURLE_AGAIN;
- nwrite = 0;
- }
- else
-#endif
- if(nwrite < 0) {
- *err = CURLE_SSH;
- nwrite = -1;
- }
-
- return nwrite;
-}
-
-/*
- * Return number of received (decrypted) bytes
- * or <0 on error
- */
-static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
- char *mem, size_t len, CURLcode *err)
-{
- ssize_t nread;
- (void)sockindex;
-
- DEBUGASSERT(len < CURL_MAX_READ_SIZE);
-
- switch(conn->proto.sshc.sftp_recv_state) {
- case 0:
- conn->proto.sshc.sftp_file_index =
- sftp_async_read_begin(conn->proto.sshc.sftp_file,
- (uint32_t)len);
- if(conn->proto.sshc.sftp_file_index < 0) {
- *err = CURLE_RECV_ERROR;
- return -1;
- }
-
- /* FALLTHROUGH */
- case 1:
- conn->proto.sshc.sftp_recv_state = 1;
-
- nread = sftp_async_read(conn->proto.sshc.sftp_file,
- mem, (uint32_t)len,
- conn->proto.sshc.sftp_file_index);
-
- myssh_block2waitfor(conn, (nread == SSH_AGAIN)?TRUE:FALSE);
-
- if(nread == SSH_AGAIN) {
- *err = CURLE_AGAIN;
- return -1;
- }
- else if(nread < 0) {
- *err = CURLE_RECV_ERROR;
- return -1;
- }
-
- conn->proto.sshc.sftp_recv_state = 0;
- return nread;
-
- default:
- /* we never reach here */
- return -1;
- }
-}
-
-static void sftp_quote(struct connectdata *conn)
-{
- const char *cp;
- struct Curl_easy *data = conn->data;
+
+ if(!status) {
+ /* run the state-machine */
+ result = myssh_block_statemach(conn, FALSE);
+ }
+ else
+ result = status;
+
+ if(protop)
+ Curl_safefree(protop->path);
+ if(Curl_pgrsDone(conn))
+ return CURLE_ABORTED_BY_CALLBACK;
+
+ conn->data->req.keepon = 0; /* clear all bits */
+ return result;
+}
+
+
+static CURLcode scp_done(struct connectdata *conn, CURLcode status,
+ bool premature)
+{
+ (void) premature; /* not used */
+
+ if(!status)
+ state(conn, SSH_SCP_DONE);
+
+ return myssh_done(conn, status);
+
+}
+
+static ssize_t scp_send(struct connectdata *conn, int sockindex,
+ const void *mem, size_t len, CURLcode *err)
+{
+ int rc;
+ (void) sockindex; /* we only support SCP on the fixed known primary socket */
+ (void) err;
+
+ rc = ssh_scp_write(conn->proto.sshc.scp_session, mem, len);
+
+#if 0
+ /* The following code is misleading, mostly added as wishful thinking
+ * that libssh at some point will implement non-blocking ssh_scp_write/read.
+ * Currently rc can only be number of bytes read or SSH_ERROR. */
+ myssh_block2waitfor(conn, (rc == SSH_AGAIN) ? TRUE : FALSE);
+
+ if(rc == SSH_AGAIN) {
+ *err = CURLE_AGAIN;
+ return 0;
+ }
+ else
+#endif
+ if(rc != SSH_OK) {
+ *err = CURLE_SSH;
+ return -1;
+ }
+
+ return len;
+}
+
+static ssize_t scp_recv(struct connectdata *conn, int sockindex,
+ char *mem, size_t len, CURLcode *err)
+{
+ ssize_t nread;
+ (void) err;
+ (void) sockindex; /* we only support SCP on the fixed known primary socket */
+
+ /* libssh returns int */
+ nread = ssh_scp_read(conn->proto.sshc.scp_session, mem, len);
+
+#if 0
+ /* The following code is misleading, mostly added as wishful thinking
+ * that libssh at some point will implement non-blocking ssh_scp_write/read.
+ * Currently rc can only be SSH_OK or SSH_ERROR. */
+
+ myssh_block2waitfor(conn, (nread == SSH_AGAIN) ? TRUE : FALSE);
+ if(nread == SSH_AGAIN) {
+ *err = CURLE_AGAIN;
+ nread = -1;
+ }
+#endif
+
+ return nread;
+}
+
+/*
+ * =============== SFTP ===============
+ */
+
+/*
+ ***********************************************************************
+ *
+ * sftp_perform()
+ *
+ * This is the actual DO function for SFTP. Get a file/directory according to
+ * the options previously setup.
+ */
+
+static
+CURLcode sftp_perform(struct connectdata *conn,
+ bool *connected,
+ bool *dophase_done)
+{
+ CURLcode result = CURLE_OK;
+
+ DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+ *dophase_done = FALSE; /* not done yet */
+
+ /* start the first command in the DO phase */
+ state(conn, SSH_SFTP_QUOTE_INIT);
+
+ /* run the state-machine */
+ result = myssh_multi_statemach(conn, dophase_done);
+
+ *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+
+ return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode sftp_doing(struct connectdata *conn,
+ bool *dophase_done)
+{
+ CURLcode result = myssh_multi_statemach(conn, dophase_done);
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+ return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+ this is still blocking is that the multi interface code has no support for
+ disconnecting operations that takes a while */
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+ CURLcode result = CURLE_OK;
+ (void) dead_connection;
+
+ DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
+
+ if(conn->proto.sshc.ssh_session) {
+ /* only if there's a session still around to use! */
+ state(conn, SSH_SFTP_SHUTDOWN);
+ result = myssh_block_statemach(conn, TRUE);
+ }
+
+ DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
+
+ return result;
+
+}
+
+static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
+ bool premature)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+
+ if(!status) {
+ /* Post quote commands are executed after the SFTP_CLOSE state to avoid
+ errors that could happen due to open file handles during POSTQUOTE
+ operation */
+ if(!premature && conn->data->set.postquote && !conn->bits.retry)
+ sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
+ state(conn, SSH_SFTP_CLOSE);
+ }
+ return myssh_done(conn, status);
+}
+
+/* return number of sent bytes */
+static ssize_t sftp_send(struct connectdata *conn, int sockindex,
+ const void *mem, size_t len, CURLcode *err)
+{
+ ssize_t nwrite;
+ (void)sockindex;
+
+ nwrite = sftp_write(conn->proto.sshc.sftp_file, mem, len);
+
+ myssh_block2waitfor(conn, FALSE);
+
+#if 0 /* not returned by libssh on write */
+ if(nwrite == SSH_AGAIN) {
+ *err = CURLE_AGAIN;
+ nwrite = 0;
+ }
+ else
+#endif
+ if(nwrite < 0) {
+ *err = CURLE_SSH;
+ nwrite = -1;
+ }
+
+ return nwrite;
+}
+
+/*
+ * Return number of received (decrypted) bytes
+ * or <0 on error
+ */
+static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
+ char *mem, size_t len, CURLcode *err)
+{
+ ssize_t nread;
+ (void)sockindex;
+
+ DEBUGASSERT(len < CURL_MAX_READ_SIZE);
+
+ switch(conn->proto.sshc.sftp_recv_state) {
+ case 0:
+ conn->proto.sshc.sftp_file_index =
+ sftp_async_read_begin(conn->proto.sshc.sftp_file,
+ (uint32_t)len);
+ if(conn->proto.sshc.sftp_file_index < 0) {
+ *err = CURLE_RECV_ERROR;
+ return -1;
+ }
+
+ /* FALLTHROUGH */
+ case 1:
+ conn->proto.sshc.sftp_recv_state = 1;
+
+ nread = sftp_async_read(conn->proto.sshc.sftp_file,
+ mem, (uint32_t)len,
+ conn->proto.sshc.sftp_file_index);
+
+ myssh_block2waitfor(conn, (nread == SSH_AGAIN)?TRUE:FALSE);
+
+ if(nread == SSH_AGAIN) {
+ *err = CURLE_AGAIN;
+ return -1;
+ }
+ else if(nread < 0) {
+ *err = CURLE_RECV_ERROR;
+ return -1;
+ }
+
+ conn->proto.sshc.sftp_recv_state = 0;
+ return nread;
+
+ default:
+ /* we never reach here */
+ return -1;
+ }
+}
+
+static void sftp_quote(struct connectdata *conn)
+{
+ const char *cp;
+ struct Curl_easy *data = conn->data;
struct SSHPROTO *protop = data->req.p.ssh;
- struct ssh_conn *sshc = &conn->proto.sshc;
- CURLcode result;
-
- /*
- * Support some of the "FTP" commands
- */
- char *cmd = sshc->quote_item->data;
- sshc->acceptfail = FALSE;
-
- /* if a command starts with an asterisk, which a legal SFTP command never
- can, the command will be allowed to fail without it causing any
- aborts or cancels etc. It will cause libcurl to act as if the command
- is successful, whatever the server reponds. */
-
- if(cmd[0] == '*') {
- cmd++;
- sshc->acceptfail = TRUE;
- }
-
- if(strcasecompare("pwd", cmd)) {
- /* output debug output if that is requested */
- char *tmp = aprintf("257 \"%s\" is current directory.\n",
- protop->path);
- if(!tmp) {
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- return;
- }
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ CURLcode result;
+
+ /*
+ * Support some of the "FTP" commands
+ */
+ char *cmd = sshc->quote_item->data;
+ sshc->acceptfail = FALSE;
+
+ /* if a command starts with an asterisk, which a legal SFTP command never
+ can, the command will be allowed to fail without it causing any
+ aborts or cancels etc. It will cause libcurl to act as if the command
+ is successful, whatever the server reponds. */
+
+ if(cmd[0] == '*') {
+ cmd++;
+ sshc->acceptfail = TRUE;
+ }
+
+ if(strcasecompare("pwd", cmd)) {
+ /* output debug output if that is requested */
+ char *tmp = aprintf("257 \"%s\" is current directory.\n",
+ protop->path);
+ if(!tmp) {
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ return;
+ }
Curl_debug(data, CURLINFO_HEADER_OUT, (char *) "PWD\n", 4);
Curl_debug(data, CURLINFO_HEADER_IN, tmp, strlen(tmp));
- /* this sends an FTP-like "header" to the header callback so that the
- current directory can be read very similar to how it is read when
- using ordinary FTP. */
- result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
- free(tmp);
- if(result) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- }
- else
- state(conn, SSH_SFTP_NEXT_QUOTE);
- return;
- }
-
- /*
- * the arguments following the command must be separated from the
- * command with a space so we can check for it unconditionally
- */
- cp = strchr(cmd, ' ');
- if(cp == NULL) {
- failf(data, "Syntax error in SFTP command. Supply parameter(s)!");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- return;
- }
-
- /*
- * also, every command takes at least one argument so we get that
- * first argument right now
- */
- result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
- failf(data, "Syntax error: Bad first parameter");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- return;
- }
-
- /*
- * SFTP is a binary protocol, so we don't send text commands
- * to the server. Instead, we scan for commands used by
- * OpenSSH's sftp program and call the appropriate libssh
- * functions.
- */
- if(strncasecompare(cmd, "chgrp ", 6) ||
- strncasecompare(cmd, "chmod ", 6) ||
+ /* this sends an FTP-like "header" to the header callback so that the
+ current directory can be read very similar to how it is read when
+ using ordinary FTP. */
+ result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+ free(tmp);
+ if(result) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ }
+ else
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ return;
+ }
+
+ /*
+ * the arguments following the command must be separated from the
+ * command with a space so we can check for it unconditionally
+ */
+ cp = strchr(cmd, ' ');
+ if(cp == NULL) {
+ failf(data, "Syntax error in SFTP command. Supply parameter(s)!");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ return;
+ }
+
+ /*
+ * also, every command takes at least one argument so we get that
+ * first argument right now
+ */
+ result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
+ failf(data, "Syntax error: Bad first parameter");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ return;
+ }
+
+ /*
+ * SFTP is a binary protocol, so we don't send text commands
+ * to the server. Instead, we scan for commands used by
+ * OpenSSH's sftp program and call the appropriate libssh
+ * functions.
+ */
+ if(strncasecompare(cmd, "chgrp ", 6) ||
+ strncasecompare(cmd, "chmod ", 6) ||
strncasecompare(cmd, "chown ", 6) ||
strncasecompare(cmd, "atime ", 6) ||
strncasecompare(cmd, "mtime ", 6)) {
- /* attribute change */
-
- /* sshc->quote_path1 contains the mode to set */
- /* get the destination */
- result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
+ /* attribute change */
+
+ /* sshc->quote_path1 contains the mode to set */
+ /* get the destination */
+ result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
failf(data, "Syntax error in chgrp/chmod/chown/atime/mtime: "
- "Bad second parameter");
- Curl_safefree(sshc->quote_path1);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- return;
- }
- sshc->quote_attrs = NULL;
- state(conn, SSH_SFTP_QUOTE_STAT);
- return;
- }
- if(strncasecompare(cmd, "ln ", 3) ||
- strncasecompare(cmd, "symlink ", 8)) {
- /* symbolic linking */
- /* sshc->quote_path1 is the source */
- /* get the destination */
- result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
- failf(data, "Syntax error in ln/symlink: Bad second parameter");
- Curl_safefree(sshc->quote_path1);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- return;
- }
- state(conn, SSH_SFTP_QUOTE_SYMLINK);
- return;
- }
- else if(strncasecompare(cmd, "mkdir ", 6)) {
- /* create dir */
- state(conn, SSH_SFTP_QUOTE_MKDIR);
- return;
- }
- else if(strncasecompare(cmd, "rename ", 7)) {
- /* rename file */
- /* first param is the source path */
- /* second param is the dest. path */
- result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
- failf(data, "Syntax error in rename: Bad second parameter");
- Curl_safefree(sshc->quote_path1);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- return;
- }
- state(conn, SSH_SFTP_QUOTE_RENAME);
- return;
- }
- else if(strncasecompare(cmd, "rmdir ", 6)) {
- /* delete dir */
- state(conn, SSH_SFTP_QUOTE_RMDIR);
- return;
- }
- else if(strncasecompare(cmd, "rm ", 3)) {
- state(conn, SSH_SFTP_QUOTE_UNLINK);
- return;
- }
-#ifdef HAS_STATVFS_SUPPORT
- else if(strncasecompare(cmd, "statvfs ", 8)) {
- state(conn, SSH_SFTP_QUOTE_STATVFS);
- return;
- }
-#endif
-
- failf(data, "Unknown SFTP command");
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
-}
-
-static void sftp_quote_stat(struct connectdata *conn)
-{
- struct Curl_easy *data = conn->data;
- struct ssh_conn *sshc = &conn->proto.sshc;
- char *cmd = sshc->quote_item->data;
- sshc->acceptfail = FALSE;
-
- /* if a command starts with an asterisk, which a legal SFTP command never
- can, the command will be allowed to fail without it causing any
- aborts or cancels etc. It will cause libcurl to act as if the command
- is successful, whatever the server reponds. */
-
- if(cmd[0] == '*') {
- cmd++;
- sshc->acceptfail = TRUE;
- }
-
- /* We read the file attributes, store them in sshc->quote_attrs
- * and modify them accordingly to command. Then we switch to
- * QUOTE_SETSTAT state to write new ones.
- */
-
- if(sshc->quote_attrs)
- sftp_attributes_free(sshc->quote_attrs);
- sshc->quote_attrs = sftp_stat(sshc->sftp_session, sshc->quote_path2);
- if(sshc->quote_attrs == NULL) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Attempt to get SFTP stats failed: %d",
- sftp_get_error(sshc->sftp_session));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- return;
- }
-
- /* Now set the new attributes... */
- if(strncasecompare(cmd, "chgrp", 5)) {
- sshc->quote_attrs->gid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
- if(sshc->quote_attrs->gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
- !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Syntax error: chgrp gid not a number");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- return;
- }
- sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
- }
- else if(strncasecompare(cmd, "chmod", 5)) {
- mode_t perms;
- perms = (mode_t)strtoul(sshc->quote_path1, NULL, 8);
- /* permissions are octal */
- if(perms == 0 && !ISDIGIT(sshc->quote_path1[0])) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Syntax error: chmod permissions not a number");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- return;
- }
- sshc->quote_attrs->permissions = perms;
- sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_PERMISSIONS;
- }
- else if(strncasecompare(cmd, "chown", 5)) {
- sshc->quote_attrs->uid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
- if(sshc->quote_attrs->uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
- !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Syntax error: chown uid not a number");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- return;
- }
- sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
- }
+ "Bad second parameter");
+ Curl_safefree(sshc->quote_path1);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ return;
+ }
+ sshc->quote_attrs = NULL;
+ state(conn, SSH_SFTP_QUOTE_STAT);
+ return;
+ }
+ if(strncasecompare(cmd, "ln ", 3) ||
+ strncasecompare(cmd, "symlink ", 8)) {
+ /* symbolic linking */
+ /* sshc->quote_path1 is the source */
+ /* get the destination */
+ result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
+ failf(data, "Syntax error in ln/symlink: Bad second parameter");
+ Curl_safefree(sshc->quote_path1);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ return;
+ }
+ state(conn, SSH_SFTP_QUOTE_SYMLINK);
+ return;
+ }
+ else if(strncasecompare(cmd, "mkdir ", 6)) {
+ /* create dir */
+ state(conn, SSH_SFTP_QUOTE_MKDIR);
+ return;
+ }
+ else if(strncasecompare(cmd, "rename ", 7)) {
+ /* rename file */
+ /* first param is the source path */
+ /* second param is the dest. path */
+ result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
+ failf(data, "Syntax error in rename: Bad second parameter");
+ Curl_safefree(sshc->quote_path1);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ return;
+ }
+ state(conn, SSH_SFTP_QUOTE_RENAME);
+ return;
+ }
+ else if(strncasecompare(cmd, "rmdir ", 6)) {
+ /* delete dir */
+ state(conn, SSH_SFTP_QUOTE_RMDIR);
+ return;
+ }
+ else if(strncasecompare(cmd, "rm ", 3)) {
+ state(conn, SSH_SFTP_QUOTE_UNLINK);
+ return;
+ }
+#ifdef HAS_STATVFS_SUPPORT
+ else if(strncasecompare(cmd, "statvfs ", 8)) {
+ state(conn, SSH_SFTP_QUOTE_STATVFS);
+ return;
+ }
+#endif
+
+ failf(data, "Unknown SFTP command");
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+}
+
+static void sftp_quote_stat(struct connectdata *conn)
+{
+ struct Curl_easy *data = conn->data;
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ char *cmd = sshc->quote_item->data;
+ sshc->acceptfail = FALSE;
+
+ /* if a command starts with an asterisk, which a legal SFTP command never
+ can, the command will be allowed to fail without it causing any
+ aborts or cancels etc. It will cause libcurl to act as if the command
+ is successful, whatever the server reponds. */
+
+ if(cmd[0] == '*') {
+ cmd++;
+ sshc->acceptfail = TRUE;
+ }
+
+ /* We read the file attributes, store them in sshc->quote_attrs
+ * and modify them accordingly to command. Then we switch to
+ * QUOTE_SETSTAT state to write new ones.
+ */
+
+ if(sshc->quote_attrs)
+ sftp_attributes_free(sshc->quote_attrs);
+ sshc->quote_attrs = sftp_stat(sshc->sftp_session, sshc->quote_path2);
+ if(sshc->quote_attrs == NULL) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Attempt to get SFTP stats failed: %d",
+ sftp_get_error(sshc->sftp_session));
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ return;
+ }
+
+ /* Now set the new attributes... */
+ if(strncasecompare(cmd, "chgrp", 5)) {
+ sshc->quote_attrs->gid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
+ if(sshc->quote_attrs->gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+ !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Syntax error: chgrp gid not a number");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ return;
+ }
+ sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
+ }
+ else if(strncasecompare(cmd, "chmod", 5)) {
+ mode_t perms;
+ perms = (mode_t)strtoul(sshc->quote_path1, NULL, 8);
+ /* permissions are octal */
+ if(perms == 0 && !ISDIGIT(sshc->quote_path1[0])) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Syntax error: chmod permissions not a number");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ return;
+ }
+ sshc->quote_attrs->permissions = perms;
+ sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_PERMISSIONS;
+ }
+ else if(strncasecompare(cmd, "chown", 5)) {
+ sshc->quote_attrs->uid = (uint32_t)strtoul(sshc->quote_path1, NULL, 10);
+ if(sshc->quote_attrs->uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+ !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Syntax error: chown uid not a number");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ return;
+ }
+ sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_UIDGID;
+ }
else if(strncasecompare(cmd, "atime", 5)) {
time_t date = Curl_getdate_capped(sshc->quote_path1);
if(date == -1) {
@@ -2888,29 +2888,29 @@ static void sftp_quote_stat(struct connectdata *conn)
sshc->quote_attrs->mtime = (uint32_t)date;
sshc->quote_attrs->flags |= SSH_FILEXFER_ATTR_ACMODTIME;
}
-
- /* Now send the completed structure... */
- state(conn, SSH_SFTP_QUOTE_SETSTAT);
- return;
-}
-
-CURLcode Curl_ssh_init(void)
-{
- if(ssh_init()) {
- DEBUGF(fprintf(stderr, "Error: libssh_init failed\n"));
- return CURLE_FAILED_INIT;
- }
- return CURLE_OK;
-}
-
-void Curl_ssh_cleanup(void)
-{
- (void)ssh_finalize();
-}
-
-size_t Curl_ssh_version(char *buffer, size_t buflen)
-{
- return msnprintf(buffer, buflen, "libssh/%s", CURL_LIBSSH_VERSION);
-}
-
-#endif /* USE_LIBSSH */
+
+ /* Now send the completed structure... */
+ state(conn, SSH_SFTP_QUOTE_SETSTAT);
+ return;
+}
+
+CURLcode Curl_ssh_init(void)
+{
+ if(ssh_init()) {
+ DEBUGF(fprintf(stderr, "Error: libssh_init failed\n"));
+ return CURLE_FAILED_INIT;
+ }
+ return CURLE_OK;
+}
+
+void Curl_ssh_cleanup(void)
+{
+ (void)ssh_finalize();
+}
+
+size_t Curl_ssh_version(char *buffer, size_t buflen)
+{
+ return msnprintf(buffer, buflen, "libssh/%s", CURL_LIBSSH_VERSION);
+}
+
+#endif /* USE_LIBSSH */
diff --git a/contrib/libs/curl/lib/vssh/libssh2.c b/contrib/libs/curl/lib/vssh/libssh2.c
index b282bf23f4..807c919641 100644
--- a/contrib/libs/curl/lib/vssh/libssh2.c
+++ b/contrib/libs/curl/lib/vssh/libssh2.c
@@ -1,471 +1,471 @@
-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-/* #define CURL_LIBSSH2_DEBUG */
-
-#include "curl_setup.h"
-
-#ifdef USE_LIBSSH2
-
-#include <limits.h>
-
-#error #include <libssh2.h>
-#error #include <libssh2_sftp.h>
-
-#ifdef HAVE_FCNTL_H
-#include <fcntl.h>
-#endif
-
-#ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
-#endif
-#ifdef HAVE_ARPA_INET_H
-#include <arpa/inet.h>
-#endif
-#ifdef HAVE_UTSNAME_H
-#include <sys/utsname.h>
-#endif
-#ifdef HAVE_NETDB_H
-#include <netdb.h>
-#endif
-#ifdef __VMS
-#include <in.h>
-#include <inet.h>
-#endif
-
-#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
-#undef in_addr_t
-#define in_addr_t unsigned long
-#endif
-
-#include <curl/curl.h>
-#include "urldata.h"
-#include "sendf.h"
-#include "hostip.h"
-#include "progress.h"
-#include "transfer.h"
-#include "escape.h"
-#include "http.h" /* for HTTP proxy tunnel stuff */
-#include "ssh.h"
-#include "url.h"
-#include "speedcheck.h"
-#include "getinfo.h"
-#include "strdup.h"
-#include "strcase.h"
-#include "vtls/vtls.h"
-#include "connect.h"
-#include "strerror.h"
-#include "inet_ntop.h"
-#include "parsedate.h" /* for the week day and month names */
-#include "sockaddr.h" /* required for Curl_sockaddr_storage */
-#include "strtoofft.h"
-#include "multiif.h"
-#include "select.h"
-#include "warnless.h"
-#include "curl_path.h"
-
-/* The last 3 #include files should be in this order */
-#include "curl_printf.h"
-#include "curl_memory.h"
-#include "memdebug.h"
-
-#if LIBSSH2_VERSION_NUM >= 0x010206
-/* libssh2_sftp_statvfs and friends were added in 1.2.6 */
-#define HAS_STATVFS_SUPPORT 1
-#endif
-
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/* #define CURL_LIBSSH2_DEBUG */
+
+#include "curl_setup.h"
+
+#ifdef USE_LIBSSH2
+
+#include <limits.h>
+
+#error #include <libssh2.h>
+#error #include <libssh2_sftp.h>
+
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+
+#ifdef HAVE_NETINET_IN_H
+#include <netinet/in.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+#include <arpa/inet.h>
+#endif
+#ifdef HAVE_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+#ifdef HAVE_NETDB_H
+#include <netdb.h>
+#endif
+#ifdef __VMS
+#include <in.h>
+#include <inet.h>
+#endif
+
+#if (defined(NETWARE) && defined(__NOVELL_LIBC__))
+#undef in_addr_t
+#define in_addr_t unsigned long
+#endif
+
+#include <curl/curl.h>
+#include "urldata.h"
+#include "sendf.h"
+#include "hostip.h"
+#include "progress.h"
+#include "transfer.h"
+#include "escape.h"
+#include "http.h" /* for HTTP proxy tunnel stuff */
+#include "ssh.h"
+#include "url.h"
+#include "speedcheck.h"
+#include "getinfo.h"
+#include "strdup.h"
+#include "strcase.h"
+#include "vtls/vtls.h"
+#include "connect.h"
+#include "strerror.h"
+#include "inet_ntop.h"
+#include "parsedate.h" /* for the week day and month names */
+#include "sockaddr.h" /* required for Curl_sockaddr_storage */
+#include "strtoofft.h"
+#include "multiif.h"
+#include "select.h"
+#include "warnless.h"
+#include "curl_path.h"
+
+/* The last 3 #include files should be in this order */
+#include "curl_printf.h"
+#include "curl_memory.h"
+#include "memdebug.h"
+
+#if LIBSSH2_VERSION_NUM >= 0x010206
+/* libssh2_sftp_statvfs and friends were added in 1.2.6 */
+#define HAS_STATVFS_SUPPORT 1
+#endif
+
#define sftp_libssh2_realpath(s,p,t,m) \
libssh2_sftp_symlink_ex((s), (p), curlx_uztoui(strlen(p)), \
(t), (m), LIBSSH2_SFTP_REALPATH)
-
-/* Local functions: */
+
+/* Local functions: */
static const char *sftp_libssh2_strerror(unsigned long err);
-static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc);
-static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc);
-static LIBSSH2_FREE_FUNC(my_libssh2_free);
-
+static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc);
+static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc);
+static LIBSSH2_FREE_FUNC(my_libssh2_free);
+
static CURLcode ssh_force_knownhost_key_type(struct connectdata *conn);
-static CURLcode ssh_connect(struct connectdata *conn, bool *done);
-static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done);
-static CURLcode ssh_do(struct connectdata *conn, bool *done);
-
-static CURLcode scp_done(struct connectdata *conn,
- CURLcode, bool premature);
-static CURLcode scp_doing(struct connectdata *conn,
- bool *dophase_done);
-static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection);
-
-static CURLcode sftp_done(struct connectdata *conn,
- CURLcode, bool premature);
-static CURLcode sftp_doing(struct connectdata *conn,
- bool *dophase_done);
-static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
-static
-CURLcode sftp_perform(struct connectdata *conn,
- bool *connected,
- bool *dophase_done);
-static int ssh_getsock(struct connectdata *conn, curl_socket_t *sock);
-static int ssh_perform_getsock(const struct connectdata *conn,
- curl_socket_t *sock);
-static CURLcode ssh_setup_connection(struct connectdata *conn);
-
-/*
- * SCP protocol handler.
- */
-
-const struct Curl_handler Curl_handler_scp = {
- "SCP", /* scheme */
- ssh_setup_connection, /* setup_connection */
- ssh_do, /* do_it */
- scp_done, /* done */
- ZERO_NULL, /* do_more */
- ssh_connect, /* connect_it */
- ssh_multi_statemach, /* connecting */
- scp_doing, /* doing */
- ssh_getsock, /* proto_getsock */
- ssh_getsock, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- ssh_perform_getsock, /* perform_getsock */
- scp_disconnect, /* disconnect */
- ZERO_NULL, /* readwrite */
- ZERO_NULL, /* connection_check */
- PORT_SSH, /* defport */
- CURLPROTO_SCP, /* protocol */
+static CURLcode ssh_connect(struct connectdata *conn, bool *done);
+static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done);
+static CURLcode ssh_do(struct connectdata *conn, bool *done);
+
+static CURLcode scp_done(struct connectdata *conn,
+ CURLcode, bool premature);
+static CURLcode scp_doing(struct connectdata *conn,
+ bool *dophase_done);
+static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection);
+
+static CURLcode sftp_done(struct connectdata *conn,
+ CURLcode, bool premature);
+static CURLcode sftp_doing(struct connectdata *conn,
+ bool *dophase_done);
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead);
+static
+CURLcode sftp_perform(struct connectdata *conn,
+ bool *connected,
+ bool *dophase_done);
+static int ssh_getsock(struct connectdata *conn, curl_socket_t *sock);
+static int ssh_perform_getsock(const struct connectdata *conn,
+ curl_socket_t *sock);
+static CURLcode ssh_setup_connection(struct connectdata *conn);
+
+/*
+ * SCP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_scp = {
+ "SCP", /* scheme */
+ ssh_setup_connection, /* setup_connection */
+ ssh_do, /* do_it */
+ scp_done, /* done */
+ ZERO_NULL, /* do_more */
+ ssh_connect, /* connect_it */
+ ssh_multi_statemach, /* connecting */
+ scp_doing, /* doing */
+ ssh_getsock, /* proto_getsock */
+ ssh_getsock, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
+ ssh_perform_getsock, /* perform_getsock */
+ scp_disconnect, /* disconnect */
+ ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
+ PORT_SSH, /* defport */
+ CURLPROTO_SCP, /* protocol */
CURLPROTO_SCP, /* family */
- PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
- | PROTOPT_NOURLQUERY /* flags */
-};
-
-
-/*
- * SFTP protocol handler.
- */
-
-const struct Curl_handler Curl_handler_sftp = {
- "SFTP", /* scheme */
- ssh_setup_connection, /* setup_connection */
- ssh_do, /* do_it */
- sftp_done, /* done */
- ZERO_NULL, /* do_more */
- ssh_connect, /* connect_it */
- ssh_multi_statemach, /* connecting */
- sftp_doing, /* doing */
- ssh_getsock, /* proto_getsock */
- ssh_getsock, /* doing_getsock */
- ZERO_NULL, /* domore_getsock */
- ssh_perform_getsock, /* perform_getsock */
- sftp_disconnect, /* disconnect */
- ZERO_NULL, /* readwrite */
- ZERO_NULL, /* connection_check */
- PORT_SSH, /* defport */
- CURLPROTO_SFTP, /* protocol */
+ PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+ | PROTOPT_NOURLQUERY /* flags */
+};
+
+
+/*
+ * SFTP protocol handler.
+ */
+
+const struct Curl_handler Curl_handler_sftp = {
+ "SFTP", /* scheme */
+ ssh_setup_connection, /* setup_connection */
+ ssh_do, /* do_it */
+ sftp_done, /* done */
+ ZERO_NULL, /* do_more */
+ ssh_connect, /* connect_it */
+ ssh_multi_statemach, /* connecting */
+ sftp_doing, /* doing */
+ ssh_getsock, /* proto_getsock */
+ ssh_getsock, /* doing_getsock */
+ ZERO_NULL, /* domore_getsock */
+ ssh_perform_getsock, /* perform_getsock */
+ sftp_disconnect, /* disconnect */
+ ZERO_NULL, /* readwrite */
+ ZERO_NULL, /* connection_check */
+ PORT_SSH, /* defport */
+ CURLPROTO_SFTP, /* protocol */
CURLPROTO_SFTP, /* family */
- PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
- | PROTOPT_NOURLQUERY /* flags */
-};
-
-static void
-kbd_callback(const char *name, int name_len, const char *instruction,
- int instruction_len, int num_prompts,
- const LIBSSH2_USERAUTH_KBDINT_PROMPT *prompts,
- LIBSSH2_USERAUTH_KBDINT_RESPONSE *responses,
- void **abstract)
-{
- struct connectdata *conn = (struct connectdata *)*abstract;
-
-#ifdef CURL_LIBSSH2_DEBUG
- fprintf(stderr, "name=%s\n", name);
- fprintf(stderr, "name_len=%d\n", name_len);
- fprintf(stderr, "instruction=%s\n", instruction);
- fprintf(stderr, "instruction_len=%d\n", instruction_len);
- fprintf(stderr, "num_prompts=%d\n", num_prompts);
-#else
- (void)name;
- (void)name_len;
- (void)instruction;
- (void)instruction_len;
-#endif /* CURL_LIBSSH2_DEBUG */
- if(num_prompts == 1) {
- responses[0].text = strdup(conn->passwd);
- responses[0].length = curlx_uztoui(strlen(conn->passwd));
- }
- (void)prompts;
- (void)abstract;
-} /* kbd_callback */
-
+ PROTOPT_DIRLOCK | PROTOPT_CLOSEACTION
+ | PROTOPT_NOURLQUERY /* flags */
+};
+
+static void
+kbd_callback(const char *name, int name_len, const char *instruction,
+ int instruction_len, int num_prompts,
+ const LIBSSH2_USERAUTH_KBDINT_PROMPT *prompts,
+ LIBSSH2_USERAUTH_KBDINT_RESPONSE *responses,
+ void **abstract)
+{
+ struct connectdata *conn = (struct connectdata *)*abstract;
+
+#ifdef CURL_LIBSSH2_DEBUG
+ fprintf(stderr, "name=%s\n", name);
+ fprintf(stderr, "name_len=%d\n", name_len);
+ fprintf(stderr, "instruction=%s\n", instruction);
+ fprintf(stderr, "instruction_len=%d\n", instruction_len);
+ fprintf(stderr, "num_prompts=%d\n", num_prompts);
+#else
+ (void)name;
+ (void)name_len;
+ (void)instruction;
+ (void)instruction_len;
+#endif /* CURL_LIBSSH2_DEBUG */
+ if(num_prompts == 1) {
+ responses[0].text = strdup(conn->passwd);
+ responses[0].length = curlx_uztoui(strlen(conn->passwd));
+ }
+ (void)prompts;
+ (void)abstract;
+} /* kbd_callback */
+
static CURLcode sftp_libssh2_error_to_CURLE(unsigned long err)
-{
- switch(err) {
- case LIBSSH2_FX_OK:
- return CURLE_OK;
-
- case LIBSSH2_FX_NO_SUCH_FILE:
- case LIBSSH2_FX_NO_SUCH_PATH:
- return CURLE_REMOTE_FILE_NOT_FOUND;
-
- case LIBSSH2_FX_PERMISSION_DENIED:
- case LIBSSH2_FX_WRITE_PROTECT:
- case LIBSSH2_FX_LOCK_CONFlICT:
- return CURLE_REMOTE_ACCESS_DENIED;
-
- case LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM:
- case LIBSSH2_FX_QUOTA_EXCEEDED:
- return CURLE_REMOTE_DISK_FULL;
-
- case LIBSSH2_FX_FILE_ALREADY_EXISTS:
- return CURLE_REMOTE_FILE_EXISTS;
-
- case LIBSSH2_FX_DIR_NOT_EMPTY:
- return CURLE_QUOTE_ERROR;
-
- default:
- break;
- }
-
- return CURLE_SSH;
-}
-
-static CURLcode libssh2_session_error_to_CURLE(int err)
-{
- switch(err) {
- /* Ordered by order of appearance in libssh2.h */
- case LIBSSH2_ERROR_NONE:
- return CURLE_OK;
-
- /* This is the error returned by libssh2_scp_recv2
- * on unknown file */
- case LIBSSH2_ERROR_SCP_PROTOCOL:
- return CURLE_REMOTE_FILE_NOT_FOUND;
-
- case LIBSSH2_ERROR_SOCKET_NONE:
- return CURLE_COULDNT_CONNECT;
-
- case LIBSSH2_ERROR_ALLOC:
- return CURLE_OUT_OF_MEMORY;
-
- case LIBSSH2_ERROR_SOCKET_SEND:
- return CURLE_SEND_ERROR;
-
- case LIBSSH2_ERROR_HOSTKEY_INIT:
- case LIBSSH2_ERROR_HOSTKEY_SIGN:
- case LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED:
- case LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED:
- return CURLE_PEER_FAILED_VERIFICATION;
-
- case LIBSSH2_ERROR_PASSWORD_EXPIRED:
- return CURLE_LOGIN_DENIED;
-
- case LIBSSH2_ERROR_SOCKET_TIMEOUT:
- case LIBSSH2_ERROR_TIMEOUT:
- return CURLE_OPERATION_TIMEDOUT;
-
- case LIBSSH2_ERROR_EAGAIN:
- return CURLE_AGAIN;
- }
-
- return CURLE_SSH;
-}
-
-static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc)
-{
- (void)abstract; /* arg not used */
- return malloc(count);
-}
-
-static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc)
-{
- (void)abstract; /* arg not used */
- return realloc(ptr, count);
-}
-
-static LIBSSH2_FREE_FUNC(my_libssh2_free)
-{
- (void)abstract; /* arg not used */
- if(ptr) /* ssh2 agent sometimes call free with null ptr */
- free(ptr);
-}
-
-/*
- * SSH State machine related code
- */
-/* This is the ONLY way to change SSH state! */
-static void state(struct connectdata *conn, sshstate nowstate)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
-#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
- /* for debug purposes */
- static const char * const names[] = {
- "SSH_STOP",
- "SSH_INIT",
- "SSH_S_STARTUP",
- "SSH_HOSTKEY",
- "SSH_AUTHLIST",
- "SSH_AUTH_PKEY_INIT",
- "SSH_AUTH_PKEY",
- "SSH_AUTH_PASS_INIT",
- "SSH_AUTH_PASS",
- "SSH_AUTH_AGENT_INIT",
- "SSH_AUTH_AGENT_LIST",
- "SSH_AUTH_AGENT",
- "SSH_AUTH_HOST_INIT",
- "SSH_AUTH_HOST",
- "SSH_AUTH_KEY_INIT",
- "SSH_AUTH_KEY",
- "SSH_AUTH_GSSAPI",
- "SSH_AUTH_DONE",
- "SSH_SFTP_INIT",
- "SSH_SFTP_REALPATH",
- "SSH_SFTP_QUOTE_INIT",
- "SSH_SFTP_POSTQUOTE_INIT",
- "SSH_SFTP_QUOTE",
- "SSH_SFTP_NEXT_QUOTE",
- "SSH_SFTP_QUOTE_STAT",
- "SSH_SFTP_QUOTE_SETSTAT",
- "SSH_SFTP_QUOTE_SYMLINK",
- "SSH_SFTP_QUOTE_MKDIR",
- "SSH_SFTP_QUOTE_RENAME",
- "SSH_SFTP_QUOTE_RMDIR",
- "SSH_SFTP_QUOTE_UNLINK",
- "SSH_SFTP_QUOTE_STATVFS",
- "SSH_SFTP_GETINFO",
- "SSH_SFTP_FILETIME",
- "SSH_SFTP_TRANS_INIT",
- "SSH_SFTP_UPLOAD_INIT",
- "SSH_SFTP_CREATE_DIRS_INIT",
- "SSH_SFTP_CREATE_DIRS",
- "SSH_SFTP_CREATE_DIRS_MKDIR",
- "SSH_SFTP_READDIR_INIT",
- "SSH_SFTP_READDIR",
- "SSH_SFTP_READDIR_LINK",
- "SSH_SFTP_READDIR_BOTTOM",
- "SSH_SFTP_READDIR_DONE",
- "SSH_SFTP_DOWNLOAD_INIT",
- "SSH_SFTP_DOWNLOAD_STAT",
- "SSH_SFTP_CLOSE",
- "SSH_SFTP_SHUTDOWN",
- "SSH_SCP_TRANS_INIT",
- "SSH_SCP_UPLOAD_INIT",
- "SSH_SCP_DOWNLOAD_INIT",
- "SSH_SCP_DOWNLOAD",
- "SSH_SCP_DONE",
- "SSH_SCP_SEND_EOF",
- "SSH_SCP_WAIT_EOF",
- "SSH_SCP_WAIT_CLOSE",
- "SSH_SCP_CHANNEL_FREE",
- "SSH_SESSION_DISCONNECT",
- "SSH_SESSION_FREE",
- "QUIT"
- };
-
- /* a precaution to make sure the lists are in sync */
- DEBUGASSERT(sizeof(names)/sizeof(names[0]) == SSH_LAST);
-
- if(sshc->state != nowstate) {
- infof(conn->data, "SFTP %p state change from %s to %s\n",
- (void *)sshc, names[sshc->state], names[nowstate]);
- }
-#endif
-
- sshc->state = nowstate;
-}
-
-
-#ifdef HAVE_LIBSSH2_KNOWNHOST_API
-static int sshkeycallback(struct Curl_easy *easy,
- const struct curl_khkey *knownkey, /* known */
- const struct curl_khkey *foundkey, /* found */
- enum curl_khmatch match,
- void *clientp)
-{
- (void)easy;
- (void)knownkey;
- (void)foundkey;
- (void)clientp;
-
- /* we only allow perfect matches, and we reject everything else */
- return (match != CURLKHMATCH_OK)?CURLKHSTAT_REJECT:CURLKHSTAT_FINE;
-}
-#endif
-
-/*
- * Earlier libssh2 versions didn't have the ability to seek to 64bit positions
- * with 32bit size_t.
- */
-#ifdef HAVE_LIBSSH2_SFTP_SEEK64
-#define SFTP_SEEK(x,y) libssh2_sftp_seek64(x, (libssh2_uint64_t)y)
-#else
-#define SFTP_SEEK(x,y) libssh2_sftp_seek(x, (size_t)y)
-#endif
-
-/*
- * Earlier libssh2 versions didn't do SCP properly beyond 32bit sizes on 32bit
- * architectures so we check of the necessary function is present.
- */
-#ifndef HAVE_LIBSSH2_SCP_SEND64
-#define SCP_SEND(a,b,c,d) libssh2_scp_send_ex(a, b, (int)(c), (size_t)d, 0, 0)
-#else
-#define SCP_SEND(a,b,c,d) libssh2_scp_send64(a, b, (int)(c), \
- (libssh2_uint64_t)d, 0, 0)
-#endif
-
-/*
- * libssh2 1.2.8 fixed the problem with 32bit ints used for sockets on win64.
- */
-#ifdef HAVE_LIBSSH2_SESSION_HANDSHAKE
-#define libssh2_session_startup(x,y) libssh2_session_handshake(x,y)
-#endif
-
-static CURLcode ssh_knownhost(struct connectdata *conn)
-{
- CURLcode result = CURLE_OK;
-
-#ifdef HAVE_LIBSSH2_KNOWNHOST_API
- struct Curl_easy *data = conn->data;
-
- if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
- /* we're asked to verify the host against a file */
- struct ssh_conn *sshc = &conn->proto.sshc;
+{
+ switch(err) {
+ case LIBSSH2_FX_OK:
+ return CURLE_OK;
+
+ case LIBSSH2_FX_NO_SUCH_FILE:
+ case LIBSSH2_FX_NO_SUCH_PATH:
+ return CURLE_REMOTE_FILE_NOT_FOUND;
+
+ case LIBSSH2_FX_PERMISSION_DENIED:
+ case LIBSSH2_FX_WRITE_PROTECT:
+ case LIBSSH2_FX_LOCK_CONFlICT:
+ return CURLE_REMOTE_ACCESS_DENIED;
+
+ case LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM:
+ case LIBSSH2_FX_QUOTA_EXCEEDED:
+ return CURLE_REMOTE_DISK_FULL;
+
+ case LIBSSH2_FX_FILE_ALREADY_EXISTS:
+ return CURLE_REMOTE_FILE_EXISTS;
+
+ case LIBSSH2_FX_DIR_NOT_EMPTY:
+ return CURLE_QUOTE_ERROR;
+
+ default:
+ break;
+ }
+
+ return CURLE_SSH;
+}
+
+static CURLcode libssh2_session_error_to_CURLE(int err)
+{
+ switch(err) {
+ /* Ordered by order of appearance in libssh2.h */
+ case LIBSSH2_ERROR_NONE:
+ return CURLE_OK;
+
+ /* This is the error returned by libssh2_scp_recv2
+ * on unknown file */
+ case LIBSSH2_ERROR_SCP_PROTOCOL:
+ return CURLE_REMOTE_FILE_NOT_FOUND;
+
+ case LIBSSH2_ERROR_SOCKET_NONE:
+ return CURLE_COULDNT_CONNECT;
+
+ case LIBSSH2_ERROR_ALLOC:
+ return CURLE_OUT_OF_MEMORY;
+
+ case LIBSSH2_ERROR_SOCKET_SEND:
+ return CURLE_SEND_ERROR;
+
+ case LIBSSH2_ERROR_HOSTKEY_INIT:
+ case LIBSSH2_ERROR_HOSTKEY_SIGN:
+ case LIBSSH2_ERROR_PUBLICKEY_UNRECOGNIZED:
+ case LIBSSH2_ERROR_PUBLICKEY_UNVERIFIED:
+ return CURLE_PEER_FAILED_VERIFICATION;
+
+ case LIBSSH2_ERROR_PASSWORD_EXPIRED:
+ return CURLE_LOGIN_DENIED;
+
+ case LIBSSH2_ERROR_SOCKET_TIMEOUT:
+ case LIBSSH2_ERROR_TIMEOUT:
+ return CURLE_OPERATION_TIMEDOUT;
+
+ case LIBSSH2_ERROR_EAGAIN:
+ return CURLE_AGAIN;
+ }
+
+ return CURLE_SSH;
+}
+
+static LIBSSH2_ALLOC_FUNC(my_libssh2_malloc)
+{
+ (void)abstract; /* arg not used */
+ return malloc(count);
+}
+
+static LIBSSH2_REALLOC_FUNC(my_libssh2_realloc)
+{
+ (void)abstract; /* arg not used */
+ return realloc(ptr, count);
+}
+
+static LIBSSH2_FREE_FUNC(my_libssh2_free)
+{
+ (void)abstract; /* arg not used */
+ if(ptr) /* ssh2 agent sometimes call free with null ptr */
+ free(ptr);
+}
+
+/*
+ * SSH State machine related code
+ */
+/* This is the ONLY way to change SSH state! */
+static void state(struct connectdata *conn, sshstate nowstate)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+#if defined(DEBUGBUILD) && !defined(CURL_DISABLE_VERBOSE_STRINGS)
+ /* for debug purposes */
+ static const char * const names[] = {
+ "SSH_STOP",
+ "SSH_INIT",
+ "SSH_S_STARTUP",
+ "SSH_HOSTKEY",
+ "SSH_AUTHLIST",
+ "SSH_AUTH_PKEY_INIT",
+ "SSH_AUTH_PKEY",
+ "SSH_AUTH_PASS_INIT",
+ "SSH_AUTH_PASS",
+ "SSH_AUTH_AGENT_INIT",
+ "SSH_AUTH_AGENT_LIST",
+ "SSH_AUTH_AGENT",
+ "SSH_AUTH_HOST_INIT",
+ "SSH_AUTH_HOST",
+ "SSH_AUTH_KEY_INIT",
+ "SSH_AUTH_KEY",
+ "SSH_AUTH_GSSAPI",
+ "SSH_AUTH_DONE",
+ "SSH_SFTP_INIT",
+ "SSH_SFTP_REALPATH",
+ "SSH_SFTP_QUOTE_INIT",
+ "SSH_SFTP_POSTQUOTE_INIT",
+ "SSH_SFTP_QUOTE",
+ "SSH_SFTP_NEXT_QUOTE",
+ "SSH_SFTP_QUOTE_STAT",
+ "SSH_SFTP_QUOTE_SETSTAT",
+ "SSH_SFTP_QUOTE_SYMLINK",
+ "SSH_SFTP_QUOTE_MKDIR",
+ "SSH_SFTP_QUOTE_RENAME",
+ "SSH_SFTP_QUOTE_RMDIR",
+ "SSH_SFTP_QUOTE_UNLINK",
+ "SSH_SFTP_QUOTE_STATVFS",
+ "SSH_SFTP_GETINFO",
+ "SSH_SFTP_FILETIME",
+ "SSH_SFTP_TRANS_INIT",
+ "SSH_SFTP_UPLOAD_INIT",
+ "SSH_SFTP_CREATE_DIRS_INIT",
+ "SSH_SFTP_CREATE_DIRS",
+ "SSH_SFTP_CREATE_DIRS_MKDIR",
+ "SSH_SFTP_READDIR_INIT",
+ "SSH_SFTP_READDIR",
+ "SSH_SFTP_READDIR_LINK",
+ "SSH_SFTP_READDIR_BOTTOM",
+ "SSH_SFTP_READDIR_DONE",
+ "SSH_SFTP_DOWNLOAD_INIT",
+ "SSH_SFTP_DOWNLOAD_STAT",
+ "SSH_SFTP_CLOSE",
+ "SSH_SFTP_SHUTDOWN",
+ "SSH_SCP_TRANS_INIT",
+ "SSH_SCP_UPLOAD_INIT",
+ "SSH_SCP_DOWNLOAD_INIT",
+ "SSH_SCP_DOWNLOAD",
+ "SSH_SCP_DONE",
+ "SSH_SCP_SEND_EOF",
+ "SSH_SCP_WAIT_EOF",
+ "SSH_SCP_WAIT_CLOSE",
+ "SSH_SCP_CHANNEL_FREE",
+ "SSH_SESSION_DISCONNECT",
+ "SSH_SESSION_FREE",
+ "QUIT"
+ };
+
+ /* a precaution to make sure the lists are in sync */
+ DEBUGASSERT(sizeof(names)/sizeof(names[0]) == SSH_LAST);
+
+ if(sshc->state != nowstate) {
+ infof(conn->data, "SFTP %p state change from %s to %s\n",
+ (void *)sshc, names[sshc->state], names[nowstate]);
+ }
+#endif
+
+ sshc->state = nowstate;
+}
+
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+static int sshkeycallback(struct Curl_easy *easy,
+ const struct curl_khkey *knownkey, /* known */
+ const struct curl_khkey *foundkey, /* found */
+ enum curl_khmatch match,
+ void *clientp)
+{
+ (void)easy;
+ (void)knownkey;
+ (void)foundkey;
+ (void)clientp;
+
+ /* we only allow perfect matches, and we reject everything else */
+ return (match != CURLKHMATCH_OK)?CURLKHSTAT_REJECT:CURLKHSTAT_FINE;
+}
+#endif
+
+/*
+ * Earlier libssh2 versions didn't have the ability to seek to 64bit positions
+ * with 32bit size_t.
+ */
+#ifdef HAVE_LIBSSH2_SFTP_SEEK64
+#define SFTP_SEEK(x,y) libssh2_sftp_seek64(x, (libssh2_uint64_t)y)
+#else
+#define SFTP_SEEK(x,y) libssh2_sftp_seek(x, (size_t)y)
+#endif
+
+/*
+ * Earlier libssh2 versions didn't do SCP properly beyond 32bit sizes on 32bit
+ * architectures so we check of the necessary function is present.
+ */
+#ifndef HAVE_LIBSSH2_SCP_SEND64
+#define SCP_SEND(a,b,c,d) libssh2_scp_send_ex(a, b, (int)(c), (size_t)d, 0, 0)
+#else
+#define SCP_SEND(a,b,c,d) libssh2_scp_send64(a, b, (int)(c), \
+ (libssh2_uint64_t)d, 0, 0)
+#endif
+
+/*
+ * libssh2 1.2.8 fixed the problem with 32bit ints used for sockets on win64.
+ */
+#ifdef HAVE_LIBSSH2_SESSION_HANDSHAKE
+#define libssh2_session_startup(x,y) libssh2_session_handshake(x,y)
+#endif
+
+static CURLcode ssh_knownhost(struct connectdata *conn)
+{
+ CURLcode result = CURLE_OK;
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+ struct Curl_easy *data = conn->data;
+
+ if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+ /* we're asked to verify the host against a file */
+ struct ssh_conn *sshc = &conn->proto.sshc;
struct libssh2_knownhost *host = NULL;
- int rc;
- int keytype;
- size_t keylen;
- const char *remotekey = libssh2_session_hostkey(sshc->ssh_session,
- &keylen, &keytype);
- int keycheck = LIBSSH2_KNOWNHOST_CHECK_FAILURE;
- int keybit = 0;
-
- if(remotekey) {
- /*
- * A subject to figure out is what host name we need to pass in here.
- * What host name does OpenSSH store in its file if an IDN name is
- * used?
- */
- enum curl_khmatch keymatch;
- curl_sshkeycallback func =
- data->set.ssh_keyfunc?data->set.ssh_keyfunc:sshkeycallback;
- struct curl_khkey knownkey;
- struct curl_khkey *knownkeyp = NULL;
- struct curl_khkey foundkey;
-
+ int rc;
+ int keytype;
+ size_t keylen;
+ const char *remotekey = libssh2_session_hostkey(sshc->ssh_session,
+ &keylen, &keytype);
+ int keycheck = LIBSSH2_KNOWNHOST_CHECK_FAILURE;
+ int keybit = 0;
+
+ if(remotekey) {
+ /*
+ * A subject to figure out is what host name we need to pass in here.
+ * What host name does OpenSSH store in its file if an IDN name is
+ * used?
+ */
+ enum curl_khmatch keymatch;
+ curl_sshkeycallback func =
+ data->set.ssh_keyfunc?data->set.ssh_keyfunc:sshkeycallback;
+ struct curl_khkey knownkey;
+ struct curl_khkey *knownkeyp = NULL;
+ struct curl_khkey foundkey;
+
switch(keytype) {
case LIBSSH2_HOSTKEY_TYPE_RSA:
keybit = LIBSSH2_KNOWNHOST_KEY_SSHRSA;
@@ -502,7 +502,7 @@ static CURLcode ssh_knownhost(struct connectdata *conn)
/* no check means failure! */
rc = CURLKHSTAT_REJECT;
else {
-#ifdef HAVE_LIBSSH2_KNOWNHOST_CHECKP
+#ifdef HAVE_LIBSSH2_KNOWNHOST_CHECKP
keycheck = libssh2_knownhost_checkp(sshc->kh,
conn->host.name,
(conn->remote_port != PORT_SSH)?
@@ -512,7 +512,7 @@ static CURLcode ssh_knownhost(struct connectdata *conn)
LIBSSH2_KNOWNHOST_KEYENC_RAW|
keybit,
&host);
-#else
+#else
keycheck = libssh2_knownhost_check(sshc->kh,
conn->host.name,
remotekey, keylen,
@@ -520,12 +520,12 @@ static CURLcode ssh_knownhost(struct connectdata *conn)
LIBSSH2_KNOWNHOST_KEYENC_RAW|
keybit,
&host);
-#endif
-
+#endif
+
infof(data, "SSH host check: %d, key: %s\n", keycheck,
(keycheck <= LIBSSH2_KNOWNHOST_CHECK_MISMATCH)?
host->key:"<none>");
-
+
/* setup 'knownkey' */
if(keycheck <= LIBSSH2_KNOWNHOST_CHECK_MISMATCH) {
knownkey.key = host->key;
@@ -539,15 +539,15 @@ static CURLcode ssh_knownhost(struct connectdata *conn)
foundkey.key = remotekey;
foundkey.len = keylen;
foundkey.keytype = (keytype == LIBSSH2_HOSTKEY_TYPE_RSA)?
- CURLKHTYPE_RSA : CURLKHTYPE_DSS;
-
+ CURLKHTYPE_RSA : CURLKHTYPE_DSS;
+
/*
* if any of the LIBSSH2_KNOWNHOST_CHECK_* defines and the
* curl_khmatch enum are ever modified, we need to introduce a
* translation table here!
*/
keymatch = (enum curl_khmatch)keycheck;
-
+
/* Ask the callback how to behave */
Curl_set_in_callback(data, true);
rc = func(data, knownkeyp, /* from the knownhosts file */
@@ -555,107 +555,107 @@ static CURLcode ssh_knownhost(struct connectdata *conn)
keymatch, data->set.ssh_keyfunc_userp);
Curl_set_in_callback(data, false);
}
- }
- else
- /* no remotekey means failure! */
- rc = CURLKHSTAT_REJECT;
-
- switch(rc) {
- default: /* unknown return codes will equal reject */
- /* FALLTHROUGH */
- case CURLKHSTAT_REJECT:
- state(conn, SSH_SESSION_FREE);
- /* FALLTHROUGH */
- case CURLKHSTAT_DEFER:
- /* DEFER means bail out but keep the SSH_HOSTKEY state */
- result = sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION;
- break;
+ }
+ else
+ /* no remotekey means failure! */
+ rc = CURLKHSTAT_REJECT;
+
+ switch(rc) {
+ default: /* unknown return codes will equal reject */
+ /* FALLTHROUGH */
+ case CURLKHSTAT_REJECT:
+ state(conn, SSH_SESSION_FREE);
+ /* FALLTHROUGH */
+ case CURLKHSTAT_DEFER:
+ /* DEFER means bail out but keep the SSH_HOSTKEY state */
+ result = sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION;
+ break;
case CURLKHSTAT_FINE_REPLACE:
/* remove old host+key that doesn't match */
if(host)
libssh2_knownhost_del(sshc->kh, host);
/*FALLTHROUGH*/
- case CURLKHSTAT_FINE:
+ case CURLKHSTAT_FINE:
/*FALLTHROUGH*/
- case CURLKHSTAT_FINE_ADD_TO_FILE:
- /* proceed */
- if(keycheck != LIBSSH2_KNOWNHOST_CHECK_MATCH) {
- /* the found host+key didn't match but has been told to be fine
- anyway so we add it in memory */
- int addrc = libssh2_knownhost_add(sshc->kh,
- conn->host.name, NULL,
- remotekey, keylen,
- LIBSSH2_KNOWNHOST_TYPE_PLAIN|
- LIBSSH2_KNOWNHOST_KEYENC_RAW|
- keybit, NULL);
- if(addrc)
- infof(data, "Warning adding the known host %s failed!\n",
- conn->host.name);
+ case CURLKHSTAT_FINE_ADD_TO_FILE:
+ /* proceed */
+ if(keycheck != LIBSSH2_KNOWNHOST_CHECK_MATCH) {
+ /* the found host+key didn't match but has been told to be fine
+ anyway so we add it in memory */
+ int addrc = libssh2_knownhost_add(sshc->kh,
+ conn->host.name, NULL,
+ remotekey, keylen,
+ LIBSSH2_KNOWNHOST_TYPE_PLAIN|
+ LIBSSH2_KNOWNHOST_KEYENC_RAW|
+ keybit, NULL);
+ if(addrc)
+ infof(data, "Warning adding the known host %s failed!\n",
+ conn->host.name);
else if(rc == CURLKHSTAT_FINE_ADD_TO_FILE ||
rc == CURLKHSTAT_FINE_REPLACE) {
- /* now we write the entire in-memory list of known hosts to the
- known_hosts file */
- int wrc =
- libssh2_knownhost_writefile(sshc->kh,
- data->set.str[STRING_SSH_KNOWNHOSTS],
- LIBSSH2_KNOWNHOST_FILE_OPENSSH);
- if(wrc) {
- infof(data, "Warning, writing %s failed!\n",
- data->set.str[STRING_SSH_KNOWNHOSTS]);
- }
- }
- }
- break;
- }
- }
-#else /* HAVE_LIBSSH2_KNOWNHOST_API */
- (void)conn;
-#endif
- return result;
-}
-
-static CURLcode ssh_check_fingerprint(struct connectdata *conn)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
- struct Curl_easy *data = conn->data;
- const char *pubkey_md5 = data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5];
- char md5buffer[33];
-
- const char *fingerprint = libssh2_hostkey_hash(sshc->ssh_session,
- LIBSSH2_HOSTKEY_HASH_MD5);
-
- if(fingerprint) {
- /* The fingerprint points to static storage (!), don't free() it. */
- int i;
- for(i = 0; i < 16; i++)
- msnprintf(&md5buffer[i*2], 3, "%02x", (unsigned char) fingerprint[i]);
- infof(data, "SSH MD5 fingerprint: %s\n", md5buffer);
- }
-
- /* Before we authenticate we check the hostkey's MD5 fingerprint
- * against a known fingerprint, if available.
- */
- if(pubkey_md5 && strlen(pubkey_md5) == 32) {
- if(!fingerprint || !strcasecompare(md5buffer, pubkey_md5)) {
- if(fingerprint)
- failf(data,
- "Denied establishing ssh session: mismatch md5 fingerprint. "
- "Remote %s is not equal to %s", md5buffer, pubkey_md5);
- else
- failf(data,
- "Denied establishing ssh session: md5 fingerprint not available");
- state(conn, SSH_SESSION_FREE);
- sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION;
- return sshc->actualcode;
- }
- infof(data, "MD5 checksum match!\n");
- /* as we already matched, we skip the check for known hosts */
- return CURLE_OK;
- }
- return ssh_knownhost(conn);
-}
-
-/*
+ /* now we write the entire in-memory list of known hosts to the
+ known_hosts file */
+ int wrc =
+ libssh2_knownhost_writefile(sshc->kh,
+ data->set.str[STRING_SSH_KNOWNHOSTS],
+ LIBSSH2_KNOWNHOST_FILE_OPENSSH);
+ if(wrc) {
+ infof(data, "Warning, writing %s failed!\n",
+ data->set.str[STRING_SSH_KNOWNHOSTS]);
+ }
+ }
+ }
+ break;
+ }
+ }
+#else /* HAVE_LIBSSH2_KNOWNHOST_API */
+ (void)conn;
+#endif
+ return result;
+}
+
+static CURLcode ssh_check_fingerprint(struct connectdata *conn)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ struct Curl_easy *data = conn->data;
+ const char *pubkey_md5 = data->set.str[STRING_SSH_HOST_PUBLIC_KEY_MD5];
+ char md5buffer[33];
+
+ const char *fingerprint = libssh2_hostkey_hash(sshc->ssh_session,
+ LIBSSH2_HOSTKEY_HASH_MD5);
+
+ if(fingerprint) {
+ /* The fingerprint points to static storage (!), don't free() it. */
+ int i;
+ for(i = 0; i < 16; i++)
+ msnprintf(&md5buffer[i*2], 3, "%02x", (unsigned char) fingerprint[i]);
+ infof(data, "SSH MD5 fingerprint: %s\n", md5buffer);
+ }
+
+ /* Before we authenticate we check the hostkey's MD5 fingerprint
+ * against a known fingerprint, if available.
+ */
+ if(pubkey_md5 && strlen(pubkey_md5) == 32) {
+ if(!fingerprint || !strcasecompare(md5buffer, pubkey_md5)) {
+ if(fingerprint)
+ failf(data,
+ "Denied establishing ssh session: mismatch md5 fingerprint. "
+ "Remote %s is not equal to %s", md5buffer, pubkey_md5);
+ else
+ failf(data,
+ "Denied establishing ssh session: md5 fingerprint not available");
+ state(conn, SSH_SESSION_FREE);
+ sshc->actualcode = CURLE_PEER_FAILED_VERIFICATION;
+ return sshc->actualcode;
+ }
+ infof(data, "MD5 checksum match!\n");
+ /* as we already matched, we skip the check for known hosts */
+ return CURLE_OK;
+ }
+ return ssh_knownhost(conn);
+}
+
+/*
* ssh_force_knownhost_key_type() will check the known hosts file and try to
* force a specific public key type from the server if an entry is found.
*/
@@ -788,38 +788,38 @@ static CURLcode ssh_force_knownhost_key_type(struct connectdata *conn)
}
/*
- * ssh_statemach_act() runs the SSH state machine as far as it can without
- * blocking and without reaching the end. The data the pointer 'block' points
- * to will be set to TRUE if the libssh2 function returns LIBSSH2_ERROR_EAGAIN
- * meaning it wants to be called again when the socket is ready
- */
-
-static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
-{
- CURLcode result = CURLE_OK;
- struct Curl_easy *data = conn->data;
+ * ssh_statemach_act() runs the SSH state machine as far as it can without
+ * blocking and without reaching the end. The data the pointer 'block' points
+ * to will be set to TRUE if the libssh2 function returns LIBSSH2_ERROR_EAGAIN
+ * meaning it wants to be called again when the socket is ready
+ */
+
+static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
+{
+ CURLcode result = CURLE_OK;
+ struct Curl_easy *data = conn->data;
struct SSHPROTO *sftp_scp = data->req.p.ssh;
- struct ssh_conn *sshc = &conn->proto.sshc;
- curl_socket_t sock = conn->sock[FIRSTSOCKET];
- int rc = LIBSSH2_ERROR_NONE;
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ curl_socket_t sock = conn->sock[FIRSTSOCKET];
+ int rc = LIBSSH2_ERROR_NONE;
int ssherr;
unsigned long sftperr;
- int seekerr = CURL_SEEKFUNC_OK;
+ int seekerr = CURL_SEEKFUNC_OK;
size_t readdir_len;
- *block = 0; /* we're not blocking by default */
-
- do {
-
- switch(sshc->state) {
- case SSH_INIT:
- sshc->secondCreateDirs = 0;
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_OK;
-
- /* Set libssh2 to non-blocking, since everything internally is
- non-blocking */
- libssh2_session_set_blocking(sshc->ssh_session, 0);
-
+ *block = 0; /* we're not blocking by default */
+
+ do {
+
+ switch(sshc->state) {
+ case SSH_INIT:
+ sshc->secondCreateDirs = 0;
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_OK;
+
+ /* Set libssh2 to non-blocking, since everything internally is
+ non-blocking */
+ libssh2_session_set_blocking(sshc->ssh_session, 0);
+
result = ssh_force_knownhost_key_type(conn);
if(result) {
state(conn, SSH_SESSION_FREE);
@@ -827,777 +827,777 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
break;
}
- state(conn, SSH_S_STARTUP);
- /* FALLTHROUGH */
-
- case SSH_S_STARTUP:
- rc = libssh2_session_startup(sshc->ssh_session, (int)sock);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session, &err_msg, NULL, 0);
- failf(data, "Failure establishing ssh session: %d, %s", rc, err_msg);
-
- state(conn, SSH_SESSION_FREE);
- sshc->actualcode = CURLE_FAILED_INIT;
- break;
- }
-
- state(conn, SSH_HOSTKEY);
-
- /* FALLTHROUGH */
- case SSH_HOSTKEY:
- /*
- * Before we authenticate we should check the hostkey's fingerprint
- * against our known hosts. How that is handled (reading from file,
- * whatever) is up to us.
- */
- result = ssh_check_fingerprint(conn);
- if(!result)
- state(conn, SSH_AUTHLIST);
- /* ssh_check_fingerprint sets state appropriately on error */
- break;
-
- case SSH_AUTHLIST:
- /*
- * Figure out authentication methods
- * NB: As soon as we have provided a username to an openssh server we
- * must never change it later. Thus, always specify the correct username
- * here, even though the libssh2 docs kind of indicate that it should be
- * possible to get a 'generic' list (not user-specific) of authentication
- * methods, presumably with a blank username. That won't work in my
- * experience.
- * So always specify it here.
- */
- sshc->authlist = libssh2_userauth_list(sshc->ssh_session,
- conn->user,
- curlx_uztoui(strlen(conn->user)));
-
- if(!sshc->authlist) {
- if(libssh2_userauth_authenticated(sshc->ssh_session)) {
- sshc->authed = TRUE;
- infof(data, "SSH user accepted with no authentication\n");
- state(conn, SSH_AUTH_DONE);
- break;
- }
+ state(conn, SSH_S_STARTUP);
+ /* FALLTHROUGH */
+
+ case SSH_S_STARTUP:
+ rc = libssh2_session_startup(sshc->ssh_session, (int)sock);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session, &err_msg, NULL, 0);
+ failf(data, "Failure establishing ssh session: %d, %s", rc, err_msg);
+
+ state(conn, SSH_SESSION_FREE);
+ sshc->actualcode = CURLE_FAILED_INIT;
+ break;
+ }
+
+ state(conn, SSH_HOSTKEY);
+
+ /* FALLTHROUGH */
+ case SSH_HOSTKEY:
+ /*
+ * Before we authenticate we should check the hostkey's fingerprint
+ * against our known hosts. How that is handled (reading from file,
+ * whatever) is up to us.
+ */
+ result = ssh_check_fingerprint(conn);
+ if(!result)
+ state(conn, SSH_AUTHLIST);
+ /* ssh_check_fingerprint sets state appropriately on error */
+ break;
+
+ case SSH_AUTHLIST:
+ /*
+ * Figure out authentication methods
+ * NB: As soon as we have provided a username to an openssh server we
+ * must never change it later. Thus, always specify the correct username
+ * here, even though the libssh2 docs kind of indicate that it should be
+ * possible to get a 'generic' list (not user-specific) of authentication
+ * methods, presumably with a blank username. That won't work in my
+ * experience.
+ * So always specify it here.
+ */
+ sshc->authlist = libssh2_userauth_list(sshc->ssh_session,
+ conn->user,
+ curlx_uztoui(strlen(conn->user)));
+
+ if(!sshc->authlist) {
+ if(libssh2_userauth_authenticated(sshc->ssh_session)) {
+ sshc->authed = TRUE;
+ infof(data, "SSH user accepted with no authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ break;
+ }
ssherr = libssh2_session_last_errno(sshc->ssh_session);
if(ssherr == LIBSSH2_ERROR_EAGAIN)
- rc = LIBSSH2_ERROR_EAGAIN;
- else {
- state(conn, SSH_SESSION_FREE);
+ rc = LIBSSH2_ERROR_EAGAIN;
+ else {
+ state(conn, SSH_SESSION_FREE);
sshc->actualcode = libssh2_session_error_to_CURLE(ssherr);
- }
- break;
- }
- infof(data, "SSH authentication methods available: %s\n",
- sshc->authlist);
-
- state(conn, SSH_AUTH_PKEY_INIT);
- break;
-
- case SSH_AUTH_PKEY_INIT:
- /*
- * Check the supported auth types in the order I feel is most secure
- * with the requested type of authentication
- */
- sshc->authed = FALSE;
-
- if((data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY) &&
- (strstr(sshc->authlist, "publickey") != NULL)) {
- bool out_of_memory = FALSE;
-
- sshc->rsa_pub = sshc->rsa = NULL;
-
- if(data->set.str[STRING_SSH_PRIVATE_KEY])
- sshc->rsa = strdup(data->set.str[STRING_SSH_PRIVATE_KEY]);
- else {
- /* To ponder about: should really the lib be messing about with the
- HOME environment variable etc? */
- char *home = curl_getenv("HOME");
-
- /* If no private key file is specified, try some common paths. */
- if(home) {
- /* Try ~/.ssh first. */
- sshc->rsa = aprintf("%s/.ssh/id_rsa", home);
- if(!sshc->rsa)
- out_of_memory = TRUE;
- else if(access(sshc->rsa, R_OK) != 0) {
- Curl_safefree(sshc->rsa);
- sshc->rsa = aprintf("%s/.ssh/id_dsa", home);
- if(!sshc->rsa)
- out_of_memory = TRUE;
- else if(access(sshc->rsa, R_OK) != 0) {
- Curl_safefree(sshc->rsa);
- }
- }
- free(home);
- }
- if(!out_of_memory && !sshc->rsa) {
- /* Nothing found; try the current dir. */
- sshc->rsa = strdup("id_rsa");
- if(sshc->rsa && access(sshc->rsa, R_OK) != 0) {
- Curl_safefree(sshc->rsa);
- sshc->rsa = strdup("id_dsa");
- if(sshc->rsa && access(sshc->rsa, R_OK) != 0) {
- Curl_safefree(sshc->rsa);
- /* Out of guesses. Set to the empty string to avoid
- * surprising info messages. */
- sshc->rsa = strdup("");
- }
- }
- }
- }
-
- /*
- * Unless the user explicitly specifies a public key file, let
- * libssh2 extract the public key from the private key file.
- * This is done by simply passing sshc->rsa_pub = NULL.
- */
- if(data->set.str[STRING_SSH_PUBLIC_KEY]
- /* treat empty string the same way as NULL */
- && data->set.str[STRING_SSH_PUBLIC_KEY][0]) {
- sshc->rsa_pub = strdup(data->set.str[STRING_SSH_PUBLIC_KEY]);
- if(!sshc->rsa_pub)
- out_of_memory = TRUE;
- }
-
- if(out_of_memory || sshc->rsa == NULL) {
- Curl_safefree(sshc->rsa);
- Curl_safefree(sshc->rsa_pub);
- state(conn, SSH_SESSION_FREE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
-
- sshc->passphrase = data->set.ssl.key_passwd;
- if(!sshc->passphrase)
- sshc->passphrase = "";
-
- if(sshc->rsa_pub)
- infof(data, "Using SSH public key file '%s'\n", sshc->rsa_pub);
- infof(data, "Using SSH private key file '%s'\n", sshc->rsa);
-
- state(conn, SSH_AUTH_PKEY);
- }
- else {
- state(conn, SSH_AUTH_PASS_INIT);
- }
- break;
-
- case SSH_AUTH_PKEY:
- /* The function below checks if the files exists, no need to stat() here.
- */
- rc = libssh2_userauth_publickey_fromfile_ex(sshc->ssh_session,
- conn->user,
- curlx_uztoui(
- strlen(conn->user)),
- sshc->rsa_pub,
- sshc->rsa, sshc->passphrase);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
-
- Curl_safefree(sshc->rsa_pub);
- Curl_safefree(sshc->rsa);
-
- if(rc == 0) {
- sshc->authed = TRUE;
- infof(data, "Initialized SSH public key authentication\n");
- state(conn, SSH_AUTH_DONE);
- }
- else {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "SSH public key authentication failed: %s\n", err_msg);
- state(conn, SSH_AUTH_PASS_INIT);
- rc = 0; /* clear rc and continue */
- }
- break;
-
- case SSH_AUTH_PASS_INIT:
- if((data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD) &&
- (strstr(sshc->authlist, "password") != NULL)) {
- state(conn, SSH_AUTH_PASS);
- }
- else {
- state(conn, SSH_AUTH_HOST_INIT);
- rc = 0; /* clear rc and continue */
- }
- break;
-
- case SSH_AUTH_PASS:
- rc = libssh2_userauth_password_ex(sshc->ssh_session, conn->user,
- curlx_uztoui(strlen(conn->user)),
- conn->passwd,
- curlx_uztoui(strlen(conn->passwd)),
- NULL);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc == 0) {
- sshc->authed = TRUE;
- infof(data, "Initialized password authentication\n");
- state(conn, SSH_AUTH_DONE);
- }
- else {
- state(conn, SSH_AUTH_HOST_INIT);
- rc = 0; /* clear rc and continue */
- }
- break;
-
- case SSH_AUTH_HOST_INIT:
- if((data->set.ssh_auth_types & CURLSSH_AUTH_HOST) &&
- (strstr(sshc->authlist, "hostbased") != NULL)) {
- state(conn, SSH_AUTH_HOST);
- }
- else {
- state(conn, SSH_AUTH_AGENT_INIT);
- }
- break;
-
- case SSH_AUTH_HOST:
- state(conn, SSH_AUTH_AGENT_INIT);
- break;
-
- case SSH_AUTH_AGENT_INIT:
-#ifdef HAVE_LIBSSH2_AGENT_API
- if((data->set.ssh_auth_types & CURLSSH_AUTH_AGENT)
- && (strstr(sshc->authlist, "publickey") != NULL)) {
-
- /* Connect to the ssh-agent */
- /* The agent could be shared by a curl thread i believe
- but nothing obvious as keys can be added/removed at any time */
- if(!sshc->ssh_agent) {
- sshc->ssh_agent = libssh2_agent_init(sshc->ssh_session);
- if(!sshc->ssh_agent) {
- infof(data, "Could not create agent object\n");
-
- state(conn, SSH_AUTH_KEY_INIT);
- break;
- }
- }
-
- rc = libssh2_agent_connect(sshc->ssh_agent);
- if(rc == LIBSSH2_ERROR_EAGAIN)
- break;
- if(rc < 0) {
- infof(data, "Failure connecting to agent\n");
- state(conn, SSH_AUTH_KEY_INIT);
- rc = 0; /* clear rc and continue */
- }
- else {
- state(conn, SSH_AUTH_AGENT_LIST);
- }
- }
- else
-#endif /* HAVE_LIBSSH2_AGENT_API */
- state(conn, SSH_AUTH_KEY_INIT);
- break;
-
- case SSH_AUTH_AGENT_LIST:
-#ifdef HAVE_LIBSSH2_AGENT_API
- rc = libssh2_agent_list_identities(sshc->ssh_agent);
-
- if(rc == LIBSSH2_ERROR_EAGAIN)
- break;
- if(rc < 0) {
- infof(data, "Failure requesting identities to agent\n");
- state(conn, SSH_AUTH_KEY_INIT);
- rc = 0; /* clear rc and continue */
- }
- else {
- state(conn, SSH_AUTH_AGENT);
- sshc->sshagent_prev_identity = NULL;
- }
-#endif
- break;
-
- case SSH_AUTH_AGENT:
-#ifdef HAVE_LIBSSH2_AGENT_API
- /* as prev_identity evolves only after an identity user auth finished we
- can safely request it again as long as EAGAIN is returned here or by
- libssh2_agent_userauth */
- rc = libssh2_agent_get_identity(sshc->ssh_agent,
- &sshc->sshagent_identity,
- sshc->sshagent_prev_identity);
- if(rc == LIBSSH2_ERROR_EAGAIN)
- break;
-
- if(rc == 0) {
- rc = libssh2_agent_userauth(sshc->ssh_agent, conn->user,
- sshc->sshagent_identity);
-
- if(rc < 0) {
- if(rc != LIBSSH2_ERROR_EAGAIN) {
- /* tried and failed? go to next identity */
- sshc->sshagent_prev_identity = sshc->sshagent_identity;
- }
- break;
- }
- }
-
- if(rc < 0)
- infof(data, "Failure requesting identities to agent\n");
- else if(rc == 1)
- infof(data, "No identity would match\n");
-
- if(rc == LIBSSH2_ERROR_NONE) {
- sshc->authed = TRUE;
- infof(data, "Agent based authentication successful\n");
- state(conn, SSH_AUTH_DONE);
- }
- else {
- state(conn, SSH_AUTH_KEY_INIT);
- rc = 0; /* clear rc and continue */
- }
-#endif
- break;
-
- case SSH_AUTH_KEY_INIT:
- if((data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD)
- && (strstr(sshc->authlist, "keyboard-interactive") != NULL)) {
- state(conn, SSH_AUTH_KEY);
- }
- else {
- state(conn, SSH_AUTH_DONE);
- }
- break;
-
- case SSH_AUTH_KEY:
- /* Authentication failed. Continue with keyboard-interactive now. */
- rc = libssh2_userauth_keyboard_interactive_ex(sshc->ssh_session,
- conn->user,
- curlx_uztoui(
- strlen(conn->user)),
- &kbd_callback);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc == 0) {
- sshc->authed = TRUE;
- infof(data, "Initialized keyboard interactive authentication\n");
- }
- state(conn, SSH_AUTH_DONE);
- break;
-
- case SSH_AUTH_DONE:
- if(!sshc->authed) {
- failf(data, "Authentication failure");
- state(conn, SSH_SESSION_FREE);
- sshc->actualcode = CURLE_LOGIN_DENIED;
- break;
- }
-
- /*
- * At this point we have an authenticated ssh session.
- */
- infof(data, "Authentication complete\n");
-
- Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSH is connected */
-
- conn->sockfd = sock;
- conn->writesockfd = CURL_SOCKET_BAD;
-
- if(conn->handler->protocol == CURLPROTO_SFTP) {
- state(conn, SSH_SFTP_INIT);
- break;
- }
- infof(data, "SSH CONNECT phase done\n");
- state(conn, SSH_STOP);
- break;
-
- case SSH_SFTP_INIT:
- /*
- * Start the libssh2 sftp session
- */
- sshc->sftp_session = libssh2_sftp_init(sshc->ssh_session);
- if(!sshc->sftp_session) {
- char *err_msg = NULL;
- if(libssh2_session_last_errno(sshc->ssh_session) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
-
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- failf(data, "Failure initializing sftp session: %s", err_msg);
- state(conn, SSH_SESSION_FREE);
- sshc->actualcode = CURLE_FAILED_INIT;
- break;
- }
- state(conn, SSH_SFTP_REALPATH);
- break;
-
- case SSH_SFTP_REALPATH:
- {
- char tempHome[PATH_MAX];
-
- /*
- * Get the "home" directory
- */
- rc = sftp_libssh2_realpath(sshc->sftp_session, ".",
- tempHome, PATH_MAX-1);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc > 0) {
- /* It seems that this string is not always NULL terminated */
- tempHome[rc] = '\0';
- sshc->homedir = strdup(tempHome);
- if(!sshc->homedir) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
- conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
- }
- else {
- /* Return the error type */
+ }
+ break;
+ }
+ infof(data, "SSH authentication methods available: %s\n",
+ sshc->authlist);
+
+ state(conn, SSH_AUTH_PKEY_INIT);
+ break;
+
+ case SSH_AUTH_PKEY_INIT:
+ /*
+ * Check the supported auth types in the order I feel is most secure
+ * with the requested type of authentication
+ */
+ sshc->authed = FALSE;
+
+ if((data->set.ssh_auth_types & CURLSSH_AUTH_PUBLICKEY) &&
+ (strstr(sshc->authlist, "publickey") != NULL)) {
+ bool out_of_memory = FALSE;
+
+ sshc->rsa_pub = sshc->rsa = NULL;
+
+ if(data->set.str[STRING_SSH_PRIVATE_KEY])
+ sshc->rsa = strdup(data->set.str[STRING_SSH_PRIVATE_KEY]);
+ else {
+ /* To ponder about: should really the lib be messing about with the
+ HOME environment variable etc? */
+ char *home = curl_getenv("HOME");
+
+ /* If no private key file is specified, try some common paths. */
+ if(home) {
+ /* Try ~/.ssh first. */
+ sshc->rsa = aprintf("%s/.ssh/id_rsa", home);
+ if(!sshc->rsa)
+ out_of_memory = TRUE;
+ else if(access(sshc->rsa, R_OK) != 0) {
+ Curl_safefree(sshc->rsa);
+ sshc->rsa = aprintf("%s/.ssh/id_dsa", home);
+ if(!sshc->rsa)
+ out_of_memory = TRUE;
+ else if(access(sshc->rsa, R_OK) != 0) {
+ Curl_safefree(sshc->rsa);
+ }
+ }
+ free(home);
+ }
+ if(!out_of_memory && !sshc->rsa) {
+ /* Nothing found; try the current dir. */
+ sshc->rsa = strdup("id_rsa");
+ if(sshc->rsa && access(sshc->rsa, R_OK) != 0) {
+ Curl_safefree(sshc->rsa);
+ sshc->rsa = strdup("id_dsa");
+ if(sshc->rsa && access(sshc->rsa, R_OK) != 0) {
+ Curl_safefree(sshc->rsa);
+ /* Out of guesses. Set to the empty string to avoid
+ * surprising info messages. */
+ sshc->rsa = strdup("");
+ }
+ }
+ }
+ }
+
+ /*
+ * Unless the user explicitly specifies a public key file, let
+ * libssh2 extract the public key from the private key file.
+ * This is done by simply passing sshc->rsa_pub = NULL.
+ */
+ if(data->set.str[STRING_SSH_PUBLIC_KEY]
+ /* treat empty string the same way as NULL */
+ && data->set.str[STRING_SSH_PUBLIC_KEY][0]) {
+ sshc->rsa_pub = strdup(data->set.str[STRING_SSH_PUBLIC_KEY]);
+ if(!sshc->rsa_pub)
+ out_of_memory = TRUE;
+ }
+
+ if(out_of_memory || sshc->rsa == NULL) {
+ Curl_safefree(sshc->rsa);
+ Curl_safefree(sshc->rsa_pub);
+ state(conn, SSH_SESSION_FREE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+
+ sshc->passphrase = data->set.ssl.key_passwd;
+ if(!sshc->passphrase)
+ sshc->passphrase = "";
+
+ if(sshc->rsa_pub)
+ infof(data, "Using SSH public key file '%s'\n", sshc->rsa_pub);
+ infof(data, "Using SSH private key file '%s'\n", sshc->rsa);
+
+ state(conn, SSH_AUTH_PKEY);
+ }
+ else {
+ state(conn, SSH_AUTH_PASS_INIT);
+ }
+ break;
+
+ case SSH_AUTH_PKEY:
+ /* The function below checks if the files exists, no need to stat() here.
+ */
+ rc = libssh2_userauth_publickey_fromfile_ex(sshc->ssh_session,
+ conn->user,
+ curlx_uztoui(
+ strlen(conn->user)),
+ sshc->rsa_pub,
+ sshc->rsa, sshc->passphrase);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+
+ Curl_safefree(sshc->rsa_pub);
+ Curl_safefree(sshc->rsa);
+
+ if(rc == 0) {
+ sshc->authed = TRUE;
+ infof(data, "Initialized SSH public key authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ }
+ else {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "SSH public key authentication failed: %s\n", err_msg);
+ state(conn, SSH_AUTH_PASS_INIT);
+ rc = 0; /* clear rc and continue */
+ }
+ break;
+
+ case SSH_AUTH_PASS_INIT:
+ if((data->set.ssh_auth_types & CURLSSH_AUTH_PASSWORD) &&
+ (strstr(sshc->authlist, "password") != NULL)) {
+ state(conn, SSH_AUTH_PASS);
+ }
+ else {
+ state(conn, SSH_AUTH_HOST_INIT);
+ rc = 0; /* clear rc and continue */
+ }
+ break;
+
+ case SSH_AUTH_PASS:
+ rc = libssh2_userauth_password_ex(sshc->ssh_session, conn->user,
+ curlx_uztoui(strlen(conn->user)),
+ conn->passwd,
+ curlx_uztoui(strlen(conn->passwd)),
+ NULL);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc == 0) {
+ sshc->authed = TRUE;
+ infof(data, "Initialized password authentication\n");
+ state(conn, SSH_AUTH_DONE);
+ }
+ else {
+ state(conn, SSH_AUTH_HOST_INIT);
+ rc = 0; /* clear rc and continue */
+ }
+ break;
+
+ case SSH_AUTH_HOST_INIT:
+ if((data->set.ssh_auth_types & CURLSSH_AUTH_HOST) &&
+ (strstr(sshc->authlist, "hostbased") != NULL)) {
+ state(conn, SSH_AUTH_HOST);
+ }
+ else {
+ state(conn, SSH_AUTH_AGENT_INIT);
+ }
+ break;
+
+ case SSH_AUTH_HOST:
+ state(conn, SSH_AUTH_AGENT_INIT);
+ break;
+
+ case SSH_AUTH_AGENT_INIT:
+#ifdef HAVE_LIBSSH2_AGENT_API
+ if((data->set.ssh_auth_types & CURLSSH_AUTH_AGENT)
+ && (strstr(sshc->authlist, "publickey") != NULL)) {
+
+ /* Connect to the ssh-agent */
+ /* The agent could be shared by a curl thread i believe
+ but nothing obvious as keys can be added/removed at any time */
+ if(!sshc->ssh_agent) {
+ sshc->ssh_agent = libssh2_agent_init(sshc->ssh_session);
+ if(!sshc->ssh_agent) {
+ infof(data, "Could not create agent object\n");
+
+ state(conn, SSH_AUTH_KEY_INIT);
+ break;
+ }
+ }
+
+ rc = libssh2_agent_connect(sshc->ssh_agent);
+ if(rc == LIBSSH2_ERROR_EAGAIN)
+ break;
+ if(rc < 0) {
+ infof(data, "Failure connecting to agent\n");
+ state(conn, SSH_AUTH_KEY_INIT);
+ rc = 0; /* clear rc and continue */
+ }
+ else {
+ state(conn, SSH_AUTH_AGENT_LIST);
+ }
+ }
+ else
+#endif /* HAVE_LIBSSH2_AGENT_API */
+ state(conn, SSH_AUTH_KEY_INIT);
+ break;
+
+ case SSH_AUTH_AGENT_LIST:
+#ifdef HAVE_LIBSSH2_AGENT_API
+ rc = libssh2_agent_list_identities(sshc->ssh_agent);
+
+ if(rc == LIBSSH2_ERROR_EAGAIN)
+ break;
+ if(rc < 0) {
+ infof(data, "Failure requesting identities to agent\n");
+ state(conn, SSH_AUTH_KEY_INIT);
+ rc = 0; /* clear rc and continue */
+ }
+ else {
+ state(conn, SSH_AUTH_AGENT);
+ sshc->sshagent_prev_identity = NULL;
+ }
+#endif
+ break;
+
+ case SSH_AUTH_AGENT:
+#ifdef HAVE_LIBSSH2_AGENT_API
+ /* as prev_identity evolves only after an identity user auth finished we
+ can safely request it again as long as EAGAIN is returned here or by
+ libssh2_agent_userauth */
+ rc = libssh2_agent_get_identity(sshc->ssh_agent,
+ &sshc->sshagent_identity,
+ sshc->sshagent_prev_identity);
+ if(rc == LIBSSH2_ERROR_EAGAIN)
+ break;
+
+ if(rc == 0) {
+ rc = libssh2_agent_userauth(sshc->ssh_agent, conn->user,
+ sshc->sshagent_identity);
+
+ if(rc < 0) {
+ if(rc != LIBSSH2_ERROR_EAGAIN) {
+ /* tried and failed? go to next identity */
+ sshc->sshagent_prev_identity = sshc->sshagent_identity;
+ }
+ break;
+ }
+ }
+
+ if(rc < 0)
+ infof(data, "Failure requesting identities to agent\n");
+ else if(rc == 1)
+ infof(data, "No identity would match\n");
+
+ if(rc == LIBSSH2_ERROR_NONE) {
+ sshc->authed = TRUE;
+ infof(data, "Agent based authentication successful\n");
+ state(conn, SSH_AUTH_DONE);
+ }
+ else {
+ state(conn, SSH_AUTH_KEY_INIT);
+ rc = 0; /* clear rc and continue */
+ }
+#endif
+ break;
+
+ case SSH_AUTH_KEY_INIT:
+ if((data->set.ssh_auth_types & CURLSSH_AUTH_KEYBOARD)
+ && (strstr(sshc->authlist, "keyboard-interactive") != NULL)) {
+ state(conn, SSH_AUTH_KEY);
+ }
+ else {
+ state(conn, SSH_AUTH_DONE);
+ }
+ break;
+
+ case SSH_AUTH_KEY:
+ /* Authentication failed. Continue with keyboard-interactive now. */
+ rc = libssh2_userauth_keyboard_interactive_ex(sshc->ssh_session,
+ conn->user,
+ curlx_uztoui(
+ strlen(conn->user)),
+ &kbd_callback);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc == 0) {
+ sshc->authed = TRUE;
+ infof(data, "Initialized keyboard interactive authentication\n");
+ }
+ state(conn, SSH_AUTH_DONE);
+ break;
+
+ case SSH_AUTH_DONE:
+ if(!sshc->authed) {
+ failf(data, "Authentication failure");
+ state(conn, SSH_SESSION_FREE);
+ sshc->actualcode = CURLE_LOGIN_DENIED;
+ break;
+ }
+
+ /*
+ * At this point we have an authenticated ssh session.
+ */
+ infof(data, "Authentication complete\n");
+
+ Curl_pgrsTime(conn->data, TIMER_APPCONNECT); /* SSH is connected */
+
+ conn->sockfd = sock;
+ conn->writesockfd = CURL_SOCKET_BAD;
+
+ if(conn->handler->protocol == CURLPROTO_SFTP) {
+ state(conn, SSH_SFTP_INIT);
+ break;
+ }
+ infof(data, "SSH CONNECT phase done\n");
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_SFTP_INIT:
+ /*
+ * Start the libssh2 sftp session
+ */
+ sshc->sftp_session = libssh2_sftp_init(sshc->ssh_session);
+ if(!sshc->sftp_session) {
+ char *err_msg = NULL;
+ if(libssh2_session_last_errno(sshc->ssh_session) ==
+ LIBSSH2_ERROR_EAGAIN) {
+ rc = LIBSSH2_ERROR_EAGAIN;
+ break;
+ }
+
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ failf(data, "Failure initializing sftp session: %s", err_msg);
+ state(conn, SSH_SESSION_FREE);
+ sshc->actualcode = CURLE_FAILED_INIT;
+ break;
+ }
+ state(conn, SSH_SFTP_REALPATH);
+ break;
+
+ case SSH_SFTP_REALPATH:
+ {
+ char tempHome[PATH_MAX];
+
+ /*
+ * Get the "home" directory
+ */
+ rc = sftp_libssh2_realpath(sshc->sftp_session, ".",
+ tempHome, PATH_MAX-1);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc > 0) {
+ /* It seems that this string is not always NULL terminated */
+ tempHome[rc] = '\0';
+ sshc->homedir = strdup(tempHome);
+ if(!sshc->homedir) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+ conn->data->state.most_recent_ftp_entrypath = sshc->homedir;
+ }
+ else {
+ /* Return the error type */
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
if(sftperr)
result = sftp_libssh2_error_to_CURLE(sftperr);
- else
- /* in this case, the error wasn't in the SFTP level but for example
- a time-out or similar */
- result = CURLE_SSH;
- sshc->actualcode = result;
+ else
+ /* in this case, the error wasn't in the SFTP level but for example
+ a time-out or similar */
+ result = CURLE_SSH;
+ sshc->actualcode = result;
DEBUGF(infof(data, "error = %lu makes libcurl = %d\n",
sftperr, (int)result));
- state(conn, SSH_STOP);
- break;
- }
- }
- /* This is the last step in the SFTP connect phase. Do note that while
- we get the homedir here, we get the "workingpath" in the DO action
- since the homedir will remain the same between request but the
- working path will not. */
- DEBUGF(infof(data, "SSH CONNECT phase done\n"));
- state(conn, SSH_STOP);
- break;
-
- case SSH_SFTP_QUOTE_INIT:
-
- result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
- if(result) {
- sshc->actualcode = result;
- state(conn, SSH_STOP);
- break;
- }
-
- if(data->set.quote) {
- infof(data, "Sending quote commands\n");
- sshc->quote_item = data->set.quote;
- state(conn, SSH_SFTP_QUOTE);
- }
- else {
- state(conn, SSH_SFTP_GETINFO);
- }
- break;
-
- case SSH_SFTP_POSTQUOTE_INIT:
- if(data->set.postquote) {
- infof(data, "Sending quote commands\n");
- sshc->quote_item = data->set.postquote;
- state(conn, SSH_SFTP_QUOTE);
- }
- else {
- state(conn, SSH_STOP);
- }
- break;
-
- case SSH_SFTP_QUOTE:
- /* Send any quote commands */
- {
- const char *cp;
-
- /*
- * Support some of the "FTP" commands
- *
- * 'sshc->quote_item' is already verified to be non-NULL before it
- * switched to this state.
- */
- char *cmd = sshc->quote_item->data;
- sshc->acceptfail = FALSE;
-
- /* if a command starts with an asterisk, which a legal SFTP command never
- can, the command will be allowed to fail without it causing any
- aborts or cancels etc. It will cause libcurl to act as if the command
- is successful, whatever the server reponds. */
-
- if(cmd[0] == '*') {
- cmd++;
- sshc->acceptfail = TRUE;
- }
-
- if(strcasecompare("pwd", cmd)) {
- /* output debug output if that is requested */
- char *tmp = aprintf("257 \"%s\" is current directory.\n",
- sftp_scp->path);
- if(!tmp) {
- result = CURLE_OUT_OF_MEMORY;
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- break;
- }
+ state(conn, SSH_STOP);
+ break;
+ }
+ }
+ /* This is the last step in the SFTP connect phase. Do note that while
+ we get the homedir here, we get the "workingpath" in the DO action
+ since the homedir will remain the same between request but the
+ working path will not. */
+ DEBUGF(infof(data, "SSH CONNECT phase done\n"));
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_SFTP_QUOTE_INIT:
+
+ result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
+ if(result) {
+ sshc->actualcode = result;
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ if(data->set.quote) {
+ infof(data, "Sending quote commands\n");
+ sshc->quote_item = data->set.quote;
+ state(conn, SSH_SFTP_QUOTE);
+ }
+ else {
+ state(conn, SSH_SFTP_GETINFO);
+ }
+ break;
+
+ case SSH_SFTP_POSTQUOTE_INIT:
+ if(data->set.postquote) {
+ infof(data, "Sending quote commands\n");
+ sshc->quote_item = data->set.postquote;
+ state(conn, SSH_SFTP_QUOTE);
+ }
+ else {
+ state(conn, SSH_STOP);
+ }
+ break;
+
+ case SSH_SFTP_QUOTE:
+ /* Send any quote commands */
+ {
+ const char *cp;
+
+ /*
+ * Support some of the "FTP" commands
+ *
+ * 'sshc->quote_item' is already verified to be non-NULL before it
+ * switched to this state.
+ */
+ char *cmd = sshc->quote_item->data;
+ sshc->acceptfail = FALSE;
+
+ /* if a command starts with an asterisk, which a legal SFTP command never
+ can, the command will be allowed to fail without it causing any
+ aborts or cancels etc. It will cause libcurl to act as if the command
+ is successful, whatever the server reponds. */
+
+ if(cmd[0] == '*') {
+ cmd++;
+ sshc->acceptfail = TRUE;
+ }
+
+ if(strcasecompare("pwd", cmd)) {
+ /* output debug output if that is requested */
+ char *tmp = aprintf("257 \"%s\" is current directory.\n",
+ sftp_scp->path);
+ if(!tmp) {
+ result = CURLE_OUT_OF_MEMORY;
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ break;
+ }
Curl_debug(data, CURLINFO_HEADER_OUT, (char *)"PWD\n", 4);
Curl_debug(data, CURLINFO_HEADER_IN, tmp, strlen(tmp));
- /* this sends an FTP-like "header" to the header callback so that the
- current directory can be read very similar to how it is read when
- using ordinary FTP. */
- result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
- free(tmp);
- if(result) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- }
- else
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
- }
- {
- /*
- * the arguments following the command must be separated from the
- * command with a space so we can check for it unconditionally
- */
- cp = strchr(cmd, ' ');
- if(cp == NULL) {
+ /* this sends an FTP-like "header" to the header callback so that the
+ current directory can be read very similar to how it is read when
+ using ordinary FTP. */
+ result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+ free(tmp);
+ if(result) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ }
+ else
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+ }
+ {
+ /*
+ * the arguments following the command must be separated from the
+ * command with a space so we can check for it unconditionally
+ */
+ cp = strchr(cmd, ' ');
+ if(cp == NULL) {
failf(data, "Syntax error command '%s'. Missing parameter!",
cmd);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
-
- /*
- * also, every command takes at least one argument so we get that
- * first argument right now
- */
- result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+
+ /*
+ * also, every command takes at least one argument so we get that
+ * first argument right now
+ */
+ result = Curl_get_pathname(&cp, &sshc->quote_path1, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
failf(data, "Syntax error: Bad first parameter to '%s'", cmd);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- break;
- }
-
- /*
- * SFTP is a binary protocol, so we don't send text commands
- * to the server. Instead, we scan for commands used by
- * OpenSSH's sftp program and call the appropriate libssh2
- * functions.
- */
- if(strncasecompare(cmd, "chgrp ", 6) ||
- strncasecompare(cmd, "chmod ", 6) ||
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ break;
+ }
+
+ /*
+ * SFTP is a binary protocol, so we don't send text commands
+ * to the server. Instead, we scan for commands used by
+ * OpenSSH's sftp program and call the appropriate libssh2
+ * functions.
+ */
+ if(strncasecompare(cmd, "chgrp ", 6) ||
+ strncasecompare(cmd, "chmod ", 6) ||
strncasecompare(cmd, "chown ", 6) ||
strncasecompare(cmd, "atime ", 6) ||
strncasecompare(cmd, "mtime ", 6)) {
- /* attribute change */
-
- /* sshc->quote_path1 contains the mode to set */
- /* get the destination */
- result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
+ /* attribute change */
+
+ /* sshc->quote_path1 contains the mode to set */
+ /* get the destination */
+ result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
failf(data, "Syntax error in %s: Bad second parameter", cmd);
- Curl_safefree(sshc->quote_path1);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- break;
- }
- memset(&sshc->quote_attrs, 0, sizeof(LIBSSH2_SFTP_ATTRIBUTES));
- state(conn, SSH_SFTP_QUOTE_STAT);
- break;
- }
- if(strncasecompare(cmd, "ln ", 3) ||
- strncasecompare(cmd, "symlink ", 8)) {
- /* symbolic linking */
- /* sshc->quote_path1 is the source */
- /* get the destination */
- result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
- failf(data,
- "Syntax error in ln/symlink: Bad second parameter");
- Curl_safefree(sshc->quote_path1);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- break;
- }
- state(conn, SSH_SFTP_QUOTE_SYMLINK);
- break;
- }
- else if(strncasecompare(cmd, "mkdir ", 6)) {
- /* create dir */
- state(conn, SSH_SFTP_QUOTE_MKDIR);
- break;
- }
- else if(strncasecompare(cmd, "rename ", 7)) {
- /* rename file */
- /* first param is the source path */
- /* second param is the dest. path */
- result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
- if(result) {
- if(result == CURLE_OUT_OF_MEMORY)
- failf(data, "Out of memory");
- else
- failf(data, "Syntax error in rename: Bad second parameter");
- Curl_safefree(sshc->quote_path1);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- break;
- }
- state(conn, SSH_SFTP_QUOTE_RENAME);
- break;
- }
- else if(strncasecompare(cmd, "rmdir ", 6)) {
- /* delete dir */
- state(conn, SSH_SFTP_QUOTE_RMDIR);
- break;
- }
- else if(strncasecompare(cmd, "rm ", 3)) {
- state(conn, SSH_SFTP_QUOTE_UNLINK);
- break;
- }
-#ifdef HAS_STATVFS_SUPPORT
- else if(strncasecompare(cmd, "statvfs ", 8)) {
- state(conn, SSH_SFTP_QUOTE_STATVFS);
- break;
- }
-#endif
-
- failf(data, "Unknown SFTP command");
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- }
- break;
-
- case SSH_SFTP_NEXT_QUOTE:
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
-
- sshc->quote_item = sshc->quote_item->next;
-
- if(sshc->quote_item) {
- state(conn, SSH_SFTP_QUOTE);
- }
- else {
- if(sshc->nextstate != SSH_NO_STATE) {
- state(conn, sshc->nextstate);
- sshc->nextstate = SSH_NO_STATE;
- }
- else {
- state(conn, SSH_SFTP_GETINFO);
- }
- }
- break;
-
- case SSH_SFTP_QUOTE_STAT:
- {
- char *cmd = sshc->quote_item->data;
- sshc->acceptfail = FALSE;
-
- /* if a command starts with an asterisk, which a legal SFTP command never
- can, the command will be allowed to fail without it causing any
- aborts or cancels etc. It will cause libcurl to act as if the command
- is successful, whatever the server reponds. */
-
- if(cmd[0] == '*') {
- cmd++;
- sshc->acceptfail = TRUE;
- }
-
- if(!strncasecompare(cmd, "chmod", 5)) {
- /* Since chown and chgrp only set owner OR group but libssh2 wants to
- * set them both at once, we need to obtain the current ownership
- * first. This takes an extra protocol round trip.
- */
- rc = libssh2_sftp_stat_ex(sshc->sftp_session, sshc->quote_path2,
- curlx_uztoui(strlen(sshc->quote_path2)),
- LIBSSH2_SFTP_STAT,
- &sshc->quote_attrs);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) { /* get those attributes */
+ Curl_safefree(sshc->quote_path1);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ break;
+ }
+ memset(&sshc->quote_attrs, 0, sizeof(LIBSSH2_SFTP_ATTRIBUTES));
+ state(conn, SSH_SFTP_QUOTE_STAT);
+ break;
+ }
+ if(strncasecompare(cmd, "ln ", 3) ||
+ strncasecompare(cmd, "symlink ", 8)) {
+ /* symbolic linking */
+ /* sshc->quote_path1 is the source */
+ /* get the destination */
+ result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
+ failf(data,
+ "Syntax error in ln/symlink: Bad second parameter");
+ Curl_safefree(sshc->quote_path1);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ break;
+ }
+ state(conn, SSH_SFTP_QUOTE_SYMLINK);
+ break;
+ }
+ else if(strncasecompare(cmd, "mkdir ", 6)) {
+ /* create dir */
+ state(conn, SSH_SFTP_QUOTE_MKDIR);
+ break;
+ }
+ else if(strncasecompare(cmd, "rename ", 7)) {
+ /* rename file */
+ /* first param is the source path */
+ /* second param is the dest. path */
+ result = Curl_get_pathname(&cp, &sshc->quote_path2, sshc->homedir);
+ if(result) {
+ if(result == CURLE_OUT_OF_MEMORY)
+ failf(data, "Out of memory");
+ else
+ failf(data, "Syntax error in rename: Bad second parameter");
+ Curl_safefree(sshc->quote_path1);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ break;
+ }
+ state(conn, SSH_SFTP_QUOTE_RENAME);
+ break;
+ }
+ else if(strncasecompare(cmd, "rmdir ", 6)) {
+ /* delete dir */
+ state(conn, SSH_SFTP_QUOTE_RMDIR);
+ break;
+ }
+ else if(strncasecompare(cmd, "rm ", 3)) {
+ state(conn, SSH_SFTP_QUOTE_UNLINK);
+ break;
+ }
+#ifdef HAS_STATVFS_SUPPORT
+ else if(strncasecompare(cmd, "statvfs ", 8)) {
+ state(conn, SSH_SFTP_QUOTE_STATVFS);
+ break;
+ }
+#endif
+
+ failf(data, "Unknown SFTP command");
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ }
+ break;
+
+ case SSH_SFTP_NEXT_QUOTE:
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+
+ sshc->quote_item = sshc->quote_item->next;
+
+ if(sshc->quote_item) {
+ state(conn, SSH_SFTP_QUOTE);
+ }
+ else {
+ if(sshc->nextstate != SSH_NO_STATE) {
+ state(conn, sshc->nextstate);
+ sshc->nextstate = SSH_NO_STATE;
+ }
+ else {
+ state(conn, SSH_SFTP_GETINFO);
+ }
+ }
+ break;
+
+ case SSH_SFTP_QUOTE_STAT:
+ {
+ char *cmd = sshc->quote_item->data;
+ sshc->acceptfail = FALSE;
+
+ /* if a command starts with an asterisk, which a legal SFTP command never
+ can, the command will be allowed to fail without it causing any
+ aborts or cancels etc. It will cause libcurl to act as if the command
+ is successful, whatever the server reponds. */
+
+ if(cmd[0] == '*') {
+ cmd++;
+ sshc->acceptfail = TRUE;
+ }
+
+ if(!strncasecompare(cmd, "chmod", 5)) {
+ /* Since chown and chgrp only set owner OR group but libssh2 wants to
+ * set them both at once, we need to obtain the current ownership
+ * first. This takes an extra protocol round trip.
+ */
+ rc = libssh2_sftp_stat_ex(sshc->sftp_session, sshc->quote_path2,
+ curlx_uztoui(strlen(sshc->quote_path2)),
+ LIBSSH2_SFTP_STAT,
+ &sshc->quote_attrs);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) { /* get those attributes */
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Attempt to get SFTP stats failed: %s",
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Attempt to get SFTP stats failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- }
-
- /* Now set the new attributes... */
- if(strncasecompare(cmd, "chgrp", 5)) {
- sshc->quote_attrs.gid = strtoul(sshc->quote_path1, NULL, 10);
- sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_UIDGID;
- if(sshc->quote_attrs.gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
- !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Syntax error: chgrp gid not a number");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- }
- else if(strncasecompare(cmd, "chmod", 5)) {
- sshc->quote_attrs.permissions = strtoul(sshc->quote_path1, NULL, 8);
- sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_PERMISSIONS;
- /* permissions are octal */
- if(sshc->quote_attrs.permissions == 0 &&
- !ISDIGIT(sshc->quote_path1[0])) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Syntax error: chmod permissions not a number");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- }
- else if(strncasecompare(cmd, "chown", 5)) {
- sshc->quote_attrs.uid = strtoul(sshc->quote_path1, NULL, 10);
- sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_UIDGID;
- if(sshc->quote_attrs.uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
- !sshc->acceptfail) {
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Syntax error: chown uid not a number");
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- }
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ }
+
+ /* Now set the new attributes... */
+ if(strncasecompare(cmd, "chgrp", 5)) {
+ sshc->quote_attrs.gid = strtoul(sshc->quote_path1, NULL, 10);
+ sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_UIDGID;
+ if(sshc->quote_attrs.gid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+ !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Syntax error: chgrp gid not a number");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ }
+ else if(strncasecompare(cmd, "chmod", 5)) {
+ sshc->quote_attrs.permissions = strtoul(sshc->quote_path1, NULL, 8);
+ sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_PERMISSIONS;
+ /* permissions are octal */
+ if(sshc->quote_attrs.permissions == 0 &&
+ !ISDIGIT(sshc->quote_path1[0])) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Syntax error: chmod permissions not a number");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ }
+ else if(strncasecompare(cmd, "chown", 5)) {
+ sshc->quote_attrs.uid = strtoul(sshc->quote_path1, NULL, 10);
+ sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_UIDGID;
+ if(sshc->quote_attrs.uid == 0 && !ISDIGIT(sshc->quote_path1[0]) &&
+ !sshc->acceptfail) {
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Syntax error: chown uid not a number");
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ }
else if(strncasecompare(cmd, "atime", 5)) {
time_t date = Curl_getdate_capped(sshc->quote_path1);
if(date == -1) {
@@ -1626,553 +1626,553 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
sshc->quote_attrs.mtime = (unsigned long)date;
sshc->quote_attrs.flags = LIBSSH2_SFTP_ATTR_ACMODTIME;
}
-
- /* Now send the completed structure... */
- state(conn, SSH_SFTP_QUOTE_SETSTAT);
- break;
- }
-
- case SSH_SFTP_QUOTE_SETSTAT:
- rc = libssh2_sftp_stat_ex(sshc->sftp_session, sshc->quote_path2,
- curlx_uztoui(strlen(sshc->quote_path2)),
- LIBSSH2_SFTP_SETSTAT,
- &sshc->quote_attrs);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+
+ /* Now send the completed structure... */
+ state(conn, SSH_SFTP_QUOTE_SETSTAT);
+ break;
+ }
+
+ case SSH_SFTP_QUOTE_SETSTAT:
+ rc = libssh2_sftp_stat_ex(sshc->sftp_session, sshc->quote_path2,
+ curlx_uztoui(strlen(sshc->quote_path2)),
+ LIBSSH2_SFTP_SETSTAT,
+ &sshc->quote_attrs);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "Attempt to set SFTP stats failed: %s",
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "Attempt to set SFTP stats failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_SYMLINK:
- rc = libssh2_sftp_symlink_ex(sshc->sftp_session, sshc->quote_path1,
- curlx_uztoui(strlen(sshc->quote_path1)),
- sshc->quote_path2,
- curlx_uztoui(strlen(sshc->quote_path2)),
- LIBSSH2_SFTP_SYMLINK);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_SYMLINK:
+ rc = libssh2_sftp_symlink_ex(sshc->sftp_session, sshc->quote_path1,
+ curlx_uztoui(strlen(sshc->quote_path1)),
+ sshc->quote_path2,
+ curlx_uztoui(strlen(sshc->quote_path2)),
+ LIBSSH2_SFTP_SYMLINK);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
- failf(data, "symlink command failed: %s",
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+ failf(data, "symlink command failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_MKDIR:
- rc = libssh2_sftp_mkdir_ex(sshc->sftp_session, sshc->quote_path1,
- curlx_uztoui(strlen(sshc->quote_path1)),
- data->set.new_directory_perms);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_MKDIR:
+ rc = libssh2_sftp_mkdir_ex(sshc->sftp_session, sshc->quote_path1,
+ curlx_uztoui(strlen(sshc->quote_path1)),
+ data->set.new_directory_perms);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path1);
failf(data, "mkdir command failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_RENAME:
- rc = libssh2_sftp_rename_ex(sshc->sftp_session, sshc->quote_path1,
- curlx_uztoui(strlen(sshc->quote_path1)),
- sshc->quote_path2,
- curlx_uztoui(strlen(sshc->quote_path2)),
- LIBSSH2_SFTP_RENAME_OVERWRITE |
- LIBSSH2_SFTP_RENAME_ATOMIC |
- LIBSSH2_SFTP_RENAME_NATIVE);
-
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_RENAME:
+ rc = libssh2_sftp_rename_ex(sshc->sftp_session, sshc->quote_path1,
+ curlx_uztoui(strlen(sshc->quote_path1)),
+ sshc->quote_path2,
+ curlx_uztoui(strlen(sshc->quote_path2)),
+ LIBSSH2_SFTP_RENAME_OVERWRITE |
+ LIBSSH2_SFTP_RENAME_ATOMIC |
+ LIBSSH2_SFTP_RENAME_NATIVE);
+
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
failf(data, "rename command failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_RMDIR:
- rc = libssh2_sftp_rmdir_ex(sshc->sftp_session, sshc->quote_path1,
- curlx_uztoui(strlen(sshc->quote_path1)));
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_RMDIR:
+ rc = libssh2_sftp_rmdir_ex(sshc->sftp_session, sshc->quote_path1,
+ curlx_uztoui(strlen(sshc->quote_path1)));
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path1);
failf(data, "rmdir command failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
- case SSH_SFTP_QUOTE_UNLINK:
- rc = libssh2_sftp_unlink_ex(sshc->sftp_session, sshc->quote_path1,
- curlx_uztoui(strlen(sshc->quote_path1)));
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+ case SSH_SFTP_QUOTE_UNLINK:
+ rc = libssh2_sftp_unlink_ex(sshc->sftp_session, sshc->quote_path1,
+ curlx_uztoui(strlen(sshc->quote_path1)));
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path1);
failf(data, "rm command failed: %s", sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
-
-#ifdef HAS_STATVFS_SUPPORT
- case SSH_SFTP_QUOTE_STATVFS:
- {
- LIBSSH2_SFTP_STATVFS statvfs;
- rc = libssh2_sftp_statvfs(sshc->sftp_session, sshc->quote_path1,
- curlx_uztoui(strlen(sshc->quote_path1)),
- &statvfs);
-
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc != 0 && !sshc->acceptfail) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+
+#ifdef HAS_STATVFS_SUPPORT
+ case SSH_SFTP_QUOTE_STATVFS:
+ {
+ LIBSSH2_SFTP_STATVFS statvfs;
+ rc = libssh2_sftp_statvfs(sshc->sftp_session, sshc->quote_path1,
+ curlx_uztoui(strlen(sshc->quote_path1)),
+ &statvfs);
+
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc != 0 && !sshc->acceptfail) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path1);
failf(data, "statvfs command failed: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = CURLE_QUOTE_ERROR;
- break;
- }
- else if(rc == 0) {
- char *tmp = aprintf("statvfs:\n"
- "f_bsize: %llu\n" "f_frsize: %llu\n"
- "f_blocks: %llu\n" "f_bfree: %llu\n"
- "f_bavail: %llu\n" "f_files: %llu\n"
- "f_ffree: %llu\n" "f_favail: %llu\n"
- "f_fsid: %llu\n" "f_flag: %llu\n"
- "f_namemax: %llu\n",
- statvfs.f_bsize, statvfs.f_frsize,
- statvfs.f_blocks, statvfs.f_bfree,
- statvfs.f_bavail, statvfs.f_files,
- statvfs.f_ffree, statvfs.f_favail,
- statvfs.f_fsid, statvfs.f_flag,
- statvfs.f_namemax);
- if(!tmp) {
- result = CURLE_OUT_OF_MEMORY;
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- break;
- }
-
- result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
- free(tmp);
- if(result) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->nextstate = SSH_NO_STATE;
- sshc->actualcode = result;
- }
- }
- state(conn, SSH_SFTP_NEXT_QUOTE);
- break;
- }
-#endif
- case SSH_SFTP_GETINFO:
- {
- if(data->set.get_filetime) {
- state(conn, SSH_SFTP_FILETIME);
- }
- else {
- state(conn, SSH_SFTP_TRANS_INIT);
- }
- break;
- }
-
- case SSH_SFTP_FILETIME:
- {
- LIBSSH2_SFTP_ATTRIBUTES attrs;
-
- rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
- curlx_uztoui(strlen(sftp_scp->path)),
- LIBSSH2_SFTP_STAT, &attrs);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc == 0) {
- data->info.filetime = attrs.mtime;
- }
-
- state(conn, SSH_SFTP_TRANS_INIT);
- break;
- }
-
- case SSH_SFTP_TRANS_INIT:
- if(data->set.upload)
- state(conn, SSH_SFTP_UPLOAD_INIT);
- else {
- if(sftp_scp->path[strlen(sftp_scp->path)-1] == '/')
- state(conn, SSH_SFTP_READDIR_INIT);
- else
- state(conn, SSH_SFTP_DOWNLOAD_INIT);
- }
- break;
-
- case SSH_SFTP_UPLOAD_INIT:
- {
- unsigned long flags;
- /*
- * NOTE!!! libssh2 requires that the destination path is a full path
- * that includes the destination file and name OR ends in a "/"
- * If this is not done the destination file will be named the
- * same name as the last directory in the path.
- */
-
- if(data->state.resume_from != 0) {
- LIBSSH2_SFTP_ATTRIBUTES attrs;
- if(data->state.resume_from < 0) {
- rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
- curlx_uztoui(strlen(sftp_scp->path)),
- LIBSSH2_SFTP_STAT, &attrs);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc) {
- data->state.resume_from = 0;
- }
- else {
- curl_off_t size = attrs.filesize;
- if(size < 0) {
- failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- data->state.resume_from = attrs.filesize;
- }
- }
- }
-
- if(data->set.ftp_append)
- /* Try to open for append, but create if nonexisting */
- flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_APPEND;
- else if(data->state.resume_from > 0)
- /* If we have restart position then open for append */
- flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_APPEND;
- else
- /* Clear file before writing (normal behaviour) */
- flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_TRUNC;
-
- sshc->sftp_handle =
- libssh2_sftp_open_ex(sshc->sftp_session, sftp_scp->path,
- curlx_uztoui(strlen(sftp_scp->path)),
- flags, data->set.new_file_perms,
- LIBSSH2_SFTP_OPENFILE);
-
- if(!sshc->sftp_handle) {
- rc = libssh2_session_last_errno(sshc->ssh_session);
-
- if(LIBSSH2_ERROR_EAGAIN == rc)
- break;
-
- if(LIBSSH2_ERROR_SFTP_PROTOCOL == rc)
- /* only when there was an SFTP protocol error can we extract
- the sftp error! */
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = CURLE_QUOTE_ERROR;
+ break;
+ }
+ else if(rc == 0) {
+ char *tmp = aprintf("statvfs:\n"
+ "f_bsize: %llu\n" "f_frsize: %llu\n"
+ "f_blocks: %llu\n" "f_bfree: %llu\n"
+ "f_bavail: %llu\n" "f_files: %llu\n"
+ "f_ffree: %llu\n" "f_favail: %llu\n"
+ "f_fsid: %llu\n" "f_flag: %llu\n"
+ "f_namemax: %llu\n",
+ statvfs.f_bsize, statvfs.f_frsize,
+ statvfs.f_blocks, statvfs.f_bfree,
+ statvfs.f_bavail, statvfs.f_files,
+ statvfs.f_ffree, statvfs.f_favail,
+ statvfs.f_fsid, statvfs.f_flag,
+ statvfs.f_namemax);
+ if(!tmp) {
+ result = CURLE_OUT_OF_MEMORY;
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ break;
+ }
+
+ result = Curl_client_write(conn, CLIENTWRITE_HEADER, tmp, strlen(tmp));
+ free(tmp);
+ if(result) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->nextstate = SSH_NO_STATE;
+ sshc->actualcode = result;
+ }
+ }
+ state(conn, SSH_SFTP_NEXT_QUOTE);
+ break;
+ }
+#endif
+ case SSH_SFTP_GETINFO:
+ {
+ if(data->set.get_filetime) {
+ state(conn, SSH_SFTP_FILETIME);
+ }
+ else {
+ state(conn, SSH_SFTP_TRANS_INIT);
+ }
+ break;
+ }
+
+ case SSH_SFTP_FILETIME:
+ {
+ LIBSSH2_SFTP_ATTRIBUTES attrs;
+
+ rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
+ curlx_uztoui(strlen(sftp_scp->path)),
+ LIBSSH2_SFTP_STAT, &attrs);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc == 0) {
+ data->info.filetime = attrs.mtime;
+ }
+
+ state(conn, SSH_SFTP_TRANS_INIT);
+ break;
+ }
+
+ case SSH_SFTP_TRANS_INIT:
+ if(data->set.upload)
+ state(conn, SSH_SFTP_UPLOAD_INIT);
+ else {
+ if(sftp_scp->path[strlen(sftp_scp->path)-1] == '/')
+ state(conn, SSH_SFTP_READDIR_INIT);
+ else
+ state(conn, SSH_SFTP_DOWNLOAD_INIT);
+ }
+ break;
+
+ case SSH_SFTP_UPLOAD_INIT:
+ {
+ unsigned long flags;
+ /*
+ * NOTE!!! libssh2 requires that the destination path is a full path
+ * that includes the destination file and name OR ends in a "/"
+ * If this is not done the destination file will be named the
+ * same name as the last directory in the path.
+ */
+
+ if(data->state.resume_from != 0) {
+ LIBSSH2_SFTP_ATTRIBUTES attrs;
+ if(data->state.resume_from < 0) {
+ rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
+ curlx_uztoui(strlen(sftp_scp->path)),
+ LIBSSH2_SFTP_STAT, &attrs);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc) {
+ data->state.resume_from = 0;
+ }
+ else {
+ curl_off_t size = attrs.filesize;
+ if(size < 0) {
+ failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ data->state.resume_from = attrs.filesize;
+ }
+ }
+ }
+
+ if(data->set.ftp_append)
+ /* Try to open for append, but create if nonexisting */
+ flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_APPEND;
+ else if(data->state.resume_from > 0)
+ /* If we have restart position then open for append */
+ flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_APPEND;
+ else
+ /* Clear file before writing (normal behaviour) */
+ flags = LIBSSH2_FXF_WRITE|LIBSSH2_FXF_CREAT|LIBSSH2_FXF_TRUNC;
+
+ sshc->sftp_handle =
+ libssh2_sftp_open_ex(sshc->sftp_session, sftp_scp->path,
+ curlx_uztoui(strlen(sftp_scp->path)),
+ flags, data->set.new_file_perms,
+ LIBSSH2_SFTP_OPENFILE);
+
+ if(!sshc->sftp_handle) {
+ rc = libssh2_session_last_errno(sshc->ssh_session);
+
+ if(LIBSSH2_ERROR_EAGAIN == rc)
+ break;
+
+ if(LIBSSH2_ERROR_SFTP_PROTOCOL == rc)
+ /* only when there was an SFTP protocol error can we extract
+ the sftp error! */
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- else
+ else
sftperr = LIBSSH2_FX_OK; /* not an sftp error at all */
-
- if(sshc->secondCreateDirs) {
- state(conn, SSH_SFTP_CLOSE);
+
+ if(sshc->secondCreateDirs) {
+ state(conn, SSH_SFTP_CLOSE);
sshc->actualcode = sftperr != LIBSSH2_FX_OK ?
sftp_libssh2_error_to_CURLE(sftperr):CURLE_SSH;
- failf(data, "Creating the dir/file failed: %s",
+ failf(data, "Creating the dir/file failed: %s",
sftp_libssh2_strerror(sftperr));
- break;
- }
+ break;
+ }
if(((sftperr == LIBSSH2_FX_NO_SUCH_FILE) ||
(sftperr == LIBSSH2_FX_FAILURE) ||
(sftperr == LIBSSH2_FX_NO_SUCH_PATH)) &&
- (data->set.ftp_create_missing_dirs &&
- (strlen(sftp_scp->path) > 1))) {
- /* try to create the path remotely */
- rc = 0; /* clear rc and continue */
- sshc->secondCreateDirs = 1;
- state(conn, SSH_SFTP_CREATE_DIRS_INIT);
- break;
- }
- state(conn, SSH_SFTP_CLOSE);
+ (data->set.ftp_create_missing_dirs &&
+ (strlen(sftp_scp->path) > 1))) {
+ /* try to create the path remotely */
+ rc = 0; /* clear rc and continue */
+ sshc->secondCreateDirs = 1;
+ state(conn, SSH_SFTP_CREATE_DIRS_INIT);
+ break;
+ }
+ state(conn, SSH_SFTP_CLOSE);
sshc->actualcode = sftperr != LIBSSH2_FX_OK ?
sftp_libssh2_error_to_CURLE(sftperr):CURLE_SSH;
- if(!sshc->actualcode) {
+ if(!sshc->actualcode) {
/* Sometimes, for some reason libssh2_sftp_last_error() returns zero
even though libssh2_sftp_open() failed previously! We need to
work around that! */
- sshc->actualcode = CURLE_SSH;
+ sshc->actualcode = CURLE_SSH;
sftperr = LIBSSH2_FX_OK;
- }
+ }
failf(data, "Upload failed: %s (%lu/%d)",
sftperr != LIBSSH2_FX_OK ?
sftp_libssh2_strerror(sftperr):"ssh error",
sftperr, rc);
- break;
- }
-
- /* If we have a restart point then we need to seek to the correct
- position. */
- if(data->state.resume_from > 0) {
- /* Let's read off the proper amount of bytes from the input. */
- if(conn->seek_func) {
- Curl_set_in_callback(data, true);
- seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
- SEEK_SET);
- Curl_set_in_callback(data, false);
- }
-
- if(seekerr != CURL_SEEKFUNC_OK) {
- curl_off_t passed = 0;
-
- if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
- failf(data, "Could not seek stream");
- return CURLE_FTP_COULDNT_USE_REST;
- }
- /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
- do {
- size_t readthisamountnow =
- (data->state.resume_from - passed > data->set.buffer_size) ?
- (size_t)data->set.buffer_size :
- curlx_sotouz(data->state.resume_from - passed);
-
- size_t actuallyread;
- Curl_set_in_callback(data, true);
- actuallyread = data->state.fread_func(data->state.buffer, 1,
- readthisamountnow,
- data->state.in);
- Curl_set_in_callback(data, false);
-
- passed += actuallyread;
- if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
- /* this checks for greater-than only to make sure that the
- CURL_READFUNC_ABORT return code still aborts */
- failf(data, "Failed to read data");
- return CURLE_FTP_COULDNT_USE_REST;
- }
- } while(passed < data->state.resume_from);
- }
-
- /* now, decrease the size of the read */
- if(data->state.infilesize > 0) {
- data->state.infilesize -= data->state.resume_from;
- data->req.size = data->state.infilesize;
- Curl_pgrsSetUploadSize(data, data->state.infilesize);
- }
-
- SFTP_SEEK(sshc->sftp_handle, data->state.resume_from);
- }
- if(data->state.infilesize > 0) {
- data->req.size = data->state.infilesize;
- Curl_pgrsSetUploadSize(data, data->state.infilesize);
- }
- /* upload data */
- Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->sockfd = conn->writesockfd;
-
- if(result) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = result;
- }
- else {
- /* store this original bitmask setup to use later on if we can't
- figure out a "real" bitmask */
- sshc->orig_waitfor = data->req.keepon;
-
- /* we want to use the _sending_ function even when the socket turns
- out readable as the underlying libssh2 sftp send function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_OUT;
-
- /* since we don't really wait for anything at this point, we want the
- state machine to move on as soon as possible so we set a very short
- timeout here */
- Curl_expire(data, 0, EXPIRE_RUN_NOW);
-
- state(conn, SSH_STOP);
- }
- break;
- }
-
- case SSH_SFTP_CREATE_DIRS_INIT:
- if(strlen(sftp_scp->path) > 1) {
- sshc->slash_pos = sftp_scp->path + 1; /* ignore the leading '/' */
- state(conn, SSH_SFTP_CREATE_DIRS);
- }
- else {
- state(conn, SSH_SFTP_UPLOAD_INIT);
- }
- break;
-
- case SSH_SFTP_CREATE_DIRS:
- sshc->slash_pos = strchr(sshc->slash_pos, '/');
- if(sshc->slash_pos) {
- *sshc->slash_pos = 0;
-
- infof(data, "Creating directory '%s'\n", sftp_scp->path);
- state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
- break;
- }
- state(conn, SSH_SFTP_UPLOAD_INIT);
- break;
-
- case SSH_SFTP_CREATE_DIRS_MKDIR:
- /* 'mode' - parameter is preliminary - default to 0644 */
- rc = libssh2_sftp_mkdir_ex(sshc->sftp_session, sftp_scp->path,
- curlx_uztoui(strlen(sftp_scp->path)),
- data->set.new_directory_perms);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- *sshc->slash_pos = '/';
- ++sshc->slash_pos;
- if(rc < 0) {
- /*
- * Abort if failure wasn't that the dir already exists or the
- * permission was denied (creation might succeed further down the
- * path) - retry on unspecific FAILURE also
- */
+ break;
+ }
+
+ /* If we have a restart point then we need to seek to the correct
+ position. */
+ if(data->state.resume_from > 0) {
+ /* Let's read off the proper amount of bytes from the input. */
+ if(conn->seek_func) {
+ Curl_set_in_callback(data, true);
+ seekerr = conn->seek_func(conn->seek_client, data->state.resume_from,
+ SEEK_SET);
+ Curl_set_in_callback(data, false);
+ }
+
+ if(seekerr != CURL_SEEKFUNC_OK) {
+ curl_off_t passed = 0;
+
+ if(seekerr != CURL_SEEKFUNC_CANTSEEK) {
+ failf(data, "Could not seek stream");
+ return CURLE_FTP_COULDNT_USE_REST;
+ }
+ /* seekerr == CURL_SEEKFUNC_CANTSEEK (can't seek to offset) */
+ do {
+ size_t readthisamountnow =
+ (data->state.resume_from - passed > data->set.buffer_size) ?
+ (size_t)data->set.buffer_size :
+ curlx_sotouz(data->state.resume_from - passed);
+
+ size_t actuallyread;
+ Curl_set_in_callback(data, true);
+ actuallyread = data->state.fread_func(data->state.buffer, 1,
+ readthisamountnow,
+ data->state.in);
+ Curl_set_in_callback(data, false);
+
+ passed += actuallyread;
+ if((actuallyread == 0) || (actuallyread > readthisamountnow)) {
+ /* this checks for greater-than only to make sure that the
+ CURL_READFUNC_ABORT return code still aborts */
+ failf(data, "Failed to read data");
+ return CURLE_FTP_COULDNT_USE_REST;
+ }
+ } while(passed < data->state.resume_from);
+ }
+
+ /* now, decrease the size of the read */
+ if(data->state.infilesize > 0) {
+ data->state.infilesize -= data->state.resume_from;
+ data->req.size = data->state.infilesize;
+ Curl_pgrsSetUploadSize(data, data->state.infilesize);
+ }
+
+ SFTP_SEEK(sshc->sftp_handle, data->state.resume_from);
+ }
+ if(data->state.infilesize > 0) {
+ data->req.size = data->state.infilesize;
+ Curl_pgrsSetUploadSize(data, data->state.infilesize);
+ }
+ /* upload data */
+ Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->sockfd = conn->writesockfd;
+
+ if(result) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = result;
+ }
+ else {
+ /* store this original bitmask setup to use later on if we can't
+ figure out a "real" bitmask */
+ sshc->orig_waitfor = data->req.keepon;
+
+ /* we want to use the _sending_ function even when the socket turns
+ out readable as the underlying libssh2 sftp send function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_OUT;
+
+ /* since we don't really wait for anything at this point, we want the
+ state machine to move on as soon as possible so we set a very short
+ timeout here */
+ Curl_expire(data, 0, EXPIRE_RUN_NOW);
+
+ state(conn, SSH_STOP);
+ }
+ break;
+ }
+
+ case SSH_SFTP_CREATE_DIRS_INIT:
+ if(strlen(sftp_scp->path) > 1) {
+ sshc->slash_pos = sftp_scp->path + 1; /* ignore the leading '/' */
+ state(conn, SSH_SFTP_CREATE_DIRS);
+ }
+ else {
+ state(conn, SSH_SFTP_UPLOAD_INIT);
+ }
+ break;
+
+ case SSH_SFTP_CREATE_DIRS:
+ sshc->slash_pos = strchr(sshc->slash_pos, '/');
+ if(sshc->slash_pos) {
+ *sshc->slash_pos = 0;
+
+ infof(data, "Creating directory '%s'\n", sftp_scp->path);
+ state(conn, SSH_SFTP_CREATE_DIRS_MKDIR);
+ break;
+ }
+ state(conn, SSH_SFTP_UPLOAD_INIT);
+ break;
+
+ case SSH_SFTP_CREATE_DIRS_MKDIR:
+ /* 'mode' - parameter is preliminary - default to 0644 */
+ rc = libssh2_sftp_mkdir_ex(sshc->sftp_session, sftp_scp->path,
+ curlx_uztoui(strlen(sftp_scp->path)),
+ data->set.new_directory_perms);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ *sshc->slash_pos = '/';
+ ++sshc->slash_pos;
+ if(rc < 0) {
+ /*
+ * Abort if failure wasn't that the dir already exists or the
+ * permission was denied (creation might succeed further down the
+ * path) - retry on unspecific FAILURE also
+ */
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
if((sftperr != LIBSSH2_FX_FILE_ALREADY_EXISTS) &&
(sftperr != LIBSSH2_FX_FAILURE) &&
(sftperr != LIBSSH2_FX_PERMISSION_DENIED)) {
result = sftp_libssh2_error_to_CURLE(sftperr);
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = result?result:CURLE_SSH;
- break;
- }
- rc = 0; /* clear rc and continue */
- }
- state(conn, SSH_SFTP_CREATE_DIRS);
- break;
-
- case SSH_SFTP_READDIR_INIT:
- Curl_pgrsSetDownloadSize(data, -1);
- if(data->set.opt_no_body) {
- state(conn, SSH_STOP);
- break;
- }
-
- /*
- * This is a directory that we are trying to get, so produce a directory
- * listing
- */
- sshc->sftp_handle = libssh2_sftp_open_ex(sshc->sftp_session,
- sftp_scp->path,
- curlx_uztoui(
- strlen(sftp_scp->path)),
- 0, 0, LIBSSH2_SFTP_OPENDIR);
- if(!sshc->sftp_handle) {
- if(libssh2_session_last_errno(sshc->ssh_session) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = result?result:CURLE_SSH;
+ break;
+ }
+ rc = 0; /* clear rc and continue */
+ }
+ state(conn, SSH_SFTP_CREATE_DIRS);
+ break;
+
+ case SSH_SFTP_READDIR_INIT:
+ Curl_pgrsSetDownloadSize(data, -1);
+ if(data->set.opt_no_body) {
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ /*
+ * This is a directory that we are trying to get, so produce a directory
+ * listing
+ */
+ sshc->sftp_handle = libssh2_sftp_open_ex(sshc->sftp_session,
+ sftp_scp->path,
+ curlx_uztoui(
+ strlen(sftp_scp->path)),
+ 0, 0, LIBSSH2_SFTP_OPENDIR);
+ if(!sshc->sftp_handle) {
+ if(libssh2_session_last_errno(sshc->ssh_session) ==
+ LIBSSH2_ERROR_EAGAIN) {
+ rc = LIBSSH2_ERROR_EAGAIN;
+ break;
+ }
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- failf(data, "Could not open directory for reading: %s",
+ failf(data, "Could not open directory for reading: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
+ state(conn, SSH_SFTP_CLOSE);
result = sftp_libssh2_error_to_CURLE(sftperr);
- sshc->actualcode = result?result:CURLE_SSH;
- break;
- }
- sshc->readdir_filename = malloc(PATH_MAX + 1);
- if(!sshc->readdir_filename) {
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
- sshc->readdir_longentry = malloc(PATH_MAX + 1);
- if(!sshc->readdir_longentry) {
- Curl_safefree(sshc->readdir_filename);
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = CURLE_OUT_OF_MEMORY;
- break;
- }
+ sshc->actualcode = result?result:CURLE_SSH;
+ break;
+ }
+ sshc->readdir_filename = malloc(PATH_MAX + 1);
+ if(!sshc->readdir_filename) {
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
+ sshc->readdir_longentry = malloc(PATH_MAX + 1);
+ if(!sshc->readdir_longentry) {
+ Curl_safefree(sshc->readdir_filename);
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = CURLE_OUT_OF_MEMORY;
+ break;
+ }
Curl_dyn_init(&sshc->readdir, PATH_MAX * 2);
- state(conn, SSH_SFTP_READDIR);
- break;
-
- case SSH_SFTP_READDIR:
- rc = libssh2_sftp_readdir_ex(sshc->sftp_handle,
- sshc->readdir_filename,
- PATH_MAX,
- sshc->readdir_longentry,
- PATH_MAX,
- &sshc->readdir_attrs);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc > 0) {
+ state(conn, SSH_SFTP_READDIR);
+ break;
+
+ case SSH_SFTP_READDIR:
+ rc = libssh2_sftp_readdir_ex(sshc->sftp_handle,
+ sshc->readdir_filename,
+ PATH_MAX,
+ sshc->readdir_longentry,
+ PATH_MAX,
+ &sshc->readdir_attrs);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc > 0) {
readdir_len = (size_t) rc;
sshc->readdir_filename[readdir_len] = '\0';
-
- if(data->set.ftp_list_only) {
- result = Curl_client_write(conn, CLIENTWRITE_BODY,
+
+ if(data->set.ftp_list_only) {
+ result = Curl_client_write(conn, CLIENTWRITE_BODY,
sshc->readdir_filename,
readdir_len);
if(!result)
result = Curl_client_write(conn, CLIENTWRITE_BODY,
(char *)"\n", 1);
- if(result) {
- state(conn, SSH_STOP);
- break;
- }
- /* since this counts what we send to the client, we include the
- newline in this counter */
+ if(result) {
+ state(conn, SSH_STOP);
+ break;
+ }
+ /* since this counts what we send to the client, we include the
+ newline in this counter */
data->req.bytecount += readdir_len + 1;
-
- /* output debug output if that is requested */
+
+ /* output debug output if that is requested */
Curl_debug(data, CURLINFO_DATA_IN, sshc->readdir_filename,
readdir_len);
Curl_debug(data, CURLINFO_DATA_IN, (char *)"\n", 1);
- }
- else {
+ }
+ else {
result = Curl_dyn_add(&sshc->readdir, sshc->readdir_longentry);
-
+
if(!result) {
if((sshc->readdir_attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) &&
((sshc->readdir_attrs.permissions & LIBSSH2_SFTP_S_IFMT) ==
@@ -2185,832 +2185,832 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
}
else {
state(conn, SSH_SFTP_READDIR_BOTTOM);
- break;
- }
- }
+ break;
+ }
+ }
sshc->actualcode = result;
state(conn, SSH_SFTP_CLOSE);
- break;
- }
- }
- else if(rc == 0) {
- Curl_safefree(sshc->readdir_filename);
- Curl_safefree(sshc->readdir_longentry);
- state(conn, SSH_SFTP_READDIR_DONE);
- break;
- }
- else if(rc < 0) {
+ break;
+ }
+ }
+ else if(rc == 0) {
+ Curl_safefree(sshc->readdir_filename);
+ Curl_safefree(sshc->readdir_longentry);
+ state(conn, SSH_SFTP_READDIR_DONE);
+ break;
+ }
+ else if(rc < 0) {
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
result = sftp_libssh2_error_to_CURLE(sftperr);
- sshc->actualcode = result?result:CURLE_SSH;
- failf(data, "Could not open remote file for reading: %s :: %d",
+ sshc->actualcode = result?result:CURLE_SSH;
+ failf(data, "Could not open remote file for reading: %s :: %d",
sftp_libssh2_strerror(sftperr),
- libssh2_session_last_errno(sshc->ssh_session));
- Curl_safefree(sshc->readdir_filename);
- Curl_safefree(sshc->readdir_longentry);
- state(conn, SSH_SFTP_CLOSE);
- break;
- }
- break;
-
- case SSH_SFTP_READDIR_LINK:
- rc =
- libssh2_sftp_symlink_ex(sshc->sftp_session,
+ libssh2_session_last_errno(sshc->ssh_session));
+ Curl_safefree(sshc->readdir_filename);
+ Curl_safefree(sshc->readdir_longentry);
+ state(conn, SSH_SFTP_CLOSE);
+ break;
+ }
+ break;
+
+ case SSH_SFTP_READDIR_LINK:
+ rc =
+ libssh2_sftp_symlink_ex(sshc->sftp_session,
Curl_dyn_ptr(&sshc->readdir_link),
(int)Curl_dyn_len(&sshc->readdir_link),
- sshc->readdir_filename,
- PATH_MAX, LIBSSH2_SFTP_READLINK);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
+ sshc->readdir_filename,
+ PATH_MAX, LIBSSH2_SFTP_READLINK);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
readdir_len = (size_t) rc;
Curl_dyn_free(&sshc->readdir_link);
-
+
/* append filename and extra output */
result = Curl_dyn_addf(&sshc->readdir, " -> %s", sshc->readdir_filename);
if(result) {
- sshc->readdir_line = NULL;
- Curl_safefree(sshc->readdir_filename);
- Curl_safefree(sshc->readdir_longentry);
- state(conn, SSH_SFTP_CLOSE);
+ sshc->readdir_line = NULL;
+ Curl_safefree(sshc->readdir_filename);
+ Curl_safefree(sshc->readdir_longentry);
+ state(conn, SSH_SFTP_CLOSE);
sshc->actualcode = result;
- break;
- }
-
- state(conn, SSH_SFTP_READDIR_BOTTOM);
- break;
-
- case SSH_SFTP_READDIR_BOTTOM:
+ break;
+ }
+
+ state(conn, SSH_SFTP_READDIR_BOTTOM);
+ break;
+
+ case SSH_SFTP_READDIR_BOTTOM:
result = Curl_dyn_addn(&sshc->readdir, "\n", 1);
if(!result)
result = Curl_client_write(conn, CLIENTWRITE_BODY,
Curl_dyn_ptr(&sshc->readdir),
Curl_dyn_len(&sshc->readdir));
-
- if(!result) {
- /* output debug output if that is requested */
+
+ if(!result) {
+ /* output debug output if that is requested */
Curl_debug(data, CURLINFO_DATA_IN,
Curl_dyn_ptr(&sshc->readdir),
Curl_dyn_len(&sshc->readdir));
data->req.bytecount += Curl_dyn_len(&sshc->readdir);
- }
- if(result) {
+ }
+ if(result) {
Curl_dyn_free(&sshc->readdir);
- state(conn, SSH_STOP);
- }
+ state(conn, SSH_STOP);
+ }
else {
Curl_dyn_reset(&sshc->readdir);
- state(conn, SSH_SFTP_READDIR);
- }
- break;
-
- case SSH_SFTP_READDIR_DONE:
- if(libssh2_sftp_closedir(sshc->sftp_handle) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
- sshc->sftp_handle = NULL;
- Curl_safefree(sshc->readdir_filename);
- Curl_safefree(sshc->readdir_longentry);
-
- /* no data to transfer */
- Curl_setup_transfer(data, -1, -1, FALSE, -1);
- state(conn, SSH_STOP);
- break;
-
- case SSH_SFTP_DOWNLOAD_INIT:
- /*
- * Work on getting the specified file
- */
- sshc->sftp_handle =
- libssh2_sftp_open_ex(sshc->sftp_session, sftp_scp->path,
- curlx_uztoui(strlen(sftp_scp->path)),
- LIBSSH2_FXF_READ, data->set.new_file_perms,
- LIBSSH2_SFTP_OPENFILE);
- if(!sshc->sftp_handle) {
- if(libssh2_session_last_errno(sshc->ssh_session) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
+ state(conn, SSH_SFTP_READDIR);
+ }
+ break;
+
+ case SSH_SFTP_READDIR_DONE:
+ if(libssh2_sftp_closedir(sshc->sftp_handle) ==
+ LIBSSH2_ERROR_EAGAIN) {
+ rc = LIBSSH2_ERROR_EAGAIN;
+ break;
+ }
+ sshc->sftp_handle = NULL;
+ Curl_safefree(sshc->readdir_filename);
+ Curl_safefree(sshc->readdir_longentry);
+
+ /* no data to transfer */
+ Curl_setup_transfer(data, -1, -1, FALSE, -1);
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_SFTP_DOWNLOAD_INIT:
+ /*
+ * Work on getting the specified file
+ */
+ sshc->sftp_handle =
+ libssh2_sftp_open_ex(sshc->sftp_session, sftp_scp->path,
+ curlx_uztoui(strlen(sftp_scp->path)),
+ LIBSSH2_FXF_READ, data->set.new_file_perms,
+ LIBSSH2_SFTP_OPENFILE);
+ if(!sshc->sftp_handle) {
+ if(libssh2_session_last_errno(sshc->ssh_session) ==
+ LIBSSH2_ERROR_EAGAIN) {
+ rc = LIBSSH2_ERROR_EAGAIN;
+ break;
+ }
sftperr = libssh2_sftp_last_error(sshc->sftp_session);
- failf(data, "Could not open remote file for reading: %s",
+ failf(data, "Could not open remote file for reading: %s",
sftp_libssh2_strerror(sftperr));
- state(conn, SSH_SFTP_CLOSE);
+ state(conn, SSH_SFTP_CLOSE);
result = sftp_libssh2_error_to_CURLE(sftperr);
- sshc->actualcode = result?result:CURLE_SSH;
- break;
- }
- state(conn, SSH_SFTP_DOWNLOAD_STAT);
- break;
-
- case SSH_SFTP_DOWNLOAD_STAT:
- {
- LIBSSH2_SFTP_ATTRIBUTES attrs;
-
- rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
- curlx_uztoui(strlen(sftp_scp->path)),
- LIBSSH2_SFTP_STAT, &attrs);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc ||
- !(attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) ||
- (attrs.filesize == 0)) {
- /*
- * libssh2_sftp_open() didn't return an error, so maybe the server
- * just doesn't support stat()
- * OR the server doesn't return a file size with a stat()
- * OR file size is 0
- */
- data->req.size = -1;
- data->req.maxdownload = -1;
- Curl_pgrsSetDownloadSize(data, -1);
- }
- else {
- curl_off_t size = attrs.filesize;
-
- if(size < 0) {
- failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- if(conn->data->state.use_range) {
- curl_off_t from, to;
- char *ptr;
- char *ptr2;
- CURLofft to_t;
- CURLofft from_t;
-
- from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
- if(from_t == CURL_OFFT_FLOW)
- return CURLE_RANGE_ERROR;
- while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
- ptr++;
- to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
- if(to_t == CURL_OFFT_FLOW)
- return CURLE_RANGE_ERROR;
- if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
- || (to >= size)) {
- to = size - 1;
- }
- if(from_t) {
- /* from is relative to end of file */
- from = size - to;
- to = size - 1;
- }
- if(from > size) {
- failf(data, "Offset (%"
- CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
- CURL_FORMAT_CURL_OFF_T ")", from, attrs.filesize);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- if(from > to) {
- from = to;
- size = 0;
- }
- else {
- size = to - from + 1;
- }
-
- SFTP_SEEK(conn->proto.sshc.sftp_handle, from);
- }
- data->req.size = size;
- data->req.maxdownload = size;
- Curl_pgrsSetDownloadSize(data, size);
- }
-
- /* We can resume if we can seek to the resume position */
- if(data->state.resume_from) {
- if(data->state.resume_from < 0) {
- /* We're supposed to download the last abs(from) bytes */
- if((curl_off_t)attrs.filesize < -data->state.resume_from) {
- failf(data, "Offset (%"
- CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
- CURL_FORMAT_CURL_OFF_T ")",
- data->state.resume_from, attrs.filesize);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- /* download from where? */
- data->state.resume_from += attrs.filesize;
- }
- else {
- if((curl_off_t)attrs.filesize < data->state.resume_from) {
- failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
- ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
- data->state.resume_from, attrs.filesize);
- return CURLE_BAD_DOWNLOAD_RESUME;
- }
- }
- /* Now store the number of bytes we are expected to download */
- data->req.size = attrs.filesize - data->state.resume_from;
- data->req.maxdownload = attrs.filesize - data->state.resume_from;
- Curl_pgrsSetDownloadSize(data,
- attrs.filesize - data->state.resume_from);
- SFTP_SEEK(sshc->sftp_handle, data->state.resume_from);
- }
- }
-
- /* Setup the actual download */
- if(data->req.size == 0) {
- /* no data to transfer */
- Curl_setup_transfer(data, -1, -1, FALSE, -1);
- infof(data, "File already completely downloaded\n");
- state(conn, SSH_STOP);
- break;
- }
- Curl_setup_transfer(data, FIRSTSOCKET, data->req.size, FALSE, -1);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->writesockfd = conn->sockfd;
-
- /* we want to use the _receiving_ function even when the socket turns
- out writableable as the underlying libssh2 recv function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_IN;
-
- if(result) {
- /* this should never occur; the close state should be entered
- at the time the error occurs */
- state(conn, SSH_SFTP_CLOSE);
- sshc->actualcode = result;
- }
- else {
- state(conn, SSH_STOP);
- }
- break;
-
- case SSH_SFTP_CLOSE:
- if(sshc->sftp_handle) {
- rc = libssh2_sftp_close(sshc->sftp_handle);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to close libssh2 file: %d %s\n", rc, err_msg);
- }
- sshc->sftp_handle = NULL;
- }
-
- Curl_safefree(sftp_scp->path);
-
- DEBUGF(infof(data, "SFTP DONE done\n"));
-
- /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
- After nextstate is executed, the control should come back to
- SSH_SFTP_CLOSE to pass the correct result back */
- if(sshc->nextstate != SSH_NO_STATE &&
- sshc->nextstate != SSH_SFTP_CLOSE) {
- state(conn, sshc->nextstate);
- sshc->nextstate = SSH_SFTP_CLOSE;
- }
- else {
- state(conn, SSH_STOP);
- result = sshc->actualcode;
- }
- break;
-
- case SSH_SFTP_SHUTDOWN:
- /* during times we get here due to a broken transfer and then the
- sftp_handle might not have been taken down so make sure that is done
- before we proceed */
-
- if(sshc->sftp_handle) {
- rc = libssh2_sftp_close(sshc->sftp_handle);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session, &err_msg,
- NULL, 0);
- infof(data, "Failed to close libssh2 file: %d %s\n", rc, err_msg);
- }
- sshc->sftp_handle = NULL;
- }
- if(sshc->sftp_session) {
- rc = libssh2_sftp_shutdown(sshc->sftp_session);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- infof(data, "Failed to stop libssh2 sftp subsystem\n");
- }
- sshc->sftp_session = NULL;
- }
-
- Curl_safefree(sshc->homedir);
- conn->data->state.most_recent_ftp_entrypath = NULL;
-
- state(conn, SSH_SESSION_DISCONNECT);
- break;
-
- case SSH_SCP_TRANS_INIT:
- result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
- if(result) {
- sshc->actualcode = result;
- state(conn, SSH_STOP);
- break;
- }
-
- if(data->set.upload) {
- if(data->state.infilesize < 0) {
- failf(data, "SCP requires a known file size for upload");
- sshc->actualcode = CURLE_UPLOAD_FAILED;
- state(conn, SSH_SCP_CHANNEL_FREE);
- break;
- }
- state(conn, SSH_SCP_UPLOAD_INIT);
- }
- else {
- state(conn, SSH_SCP_DOWNLOAD_INIT);
- }
- break;
-
- case SSH_SCP_UPLOAD_INIT:
- /*
- * libssh2 requires that the destination path is a full path that
- * includes the destination file and name OR ends in a "/" . If this is
- * not done the destination file will be named the same name as the last
- * directory in the path.
- */
- sshc->ssh_channel =
- SCP_SEND(sshc->ssh_session, sftp_scp->path, data->set.new_file_perms,
- data->state.infilesize);
- if(!sshc->ssh_channel) {
- int ssh_err;
- char *err_msg = NULL;
-
- if(libssh2_session_last_errno(sshc->ssh_session) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
-
- ssh_err = (int)(libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0));
- failf(conn->data, "%s", err_msg);
- state(conn, SSH_SCP_CHANNEL_FREE);
- sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
- /* Map generic errors to upload failed */
- if(sshc->actualcode == CURLE_SSH ||
- sshc->actualcode == CURLE_REMOTE_FILE_NOT_FOUND)
- sshc->actualcode = CURLE_UPLOAD_FAILED;
- break;
- }
-
- /* upload data */
+ sshc->actualcode = result?result:CURLE_SSH;
+ break;
+ }
+ state(conn, SSH_SFTP_DOWNLOAD_STAT);
+ break;
+
+ case SSH_SFTP_DOWNLOAD_STAT:
+ {
+ LIBSSH2_SFTP_ATTRIBUTES attrs;
+
+ rc = libssh2_sftp_stat_ex(sshc->sftp_session, sftp_scp->path,
+ curlx_uztoui(strlen(sftp_scp->path)),
+ LIBSSH2_SFTP_STAT, &attrs);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc ||
+ !(attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) ||
+ (attrs.filesize == 0)) {
+ /*
+ * libssh2_sftp_open() didn't return an error, so maybe the server
+ * just doesn't support stat()
+ * OR the server doesn't return a file size with a stat()
+ * OR file size is 0
+ */
+ data->req.size = -1;
+ data->req.maxdownload = -1;
+ Curl_pgrsSetDownloadSize(data, -1);
+ }
+ else {
+ curl_off_t size = attrs.filesize;
+
+ if(size < 0) {
+ failf(data, "Bad file size (%" CURL_FORMAT_CURL_OFF_T ")", size);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ if(conn->data->state.use_range) {
+ curl_off_t from, to;
+ char *ptr;
+ char *ptr2;
+ CURLofft to_t;
+ CURLofft from_t;
+
+ from_t = curlx_strtoofft(conn->data->state.range, &ptr, 0, &from);
+ if(from_t == CURL_OFFT_FLOW)
+ return CURLE_RANGE_ERROR;
+ while(*ptr && (ISSPACE(*ptr) || (*ptr == '-')))
+ ptr++;
+ to_t = curlx_strtoofft(ptr, &ptr2, 0, &to);
+ if(to_t == CURL_OFFT_FLOW)
+ return CURLE_RANGE_ERROR;
+ if((to_t == CURL_OFFT_INVAL) /* no "to" value given */
+ || (to >= size)) {
+ to = size - 1;
+ }
+ if(from_t) {
+ /* from is relative to end of file */
+ from = size - to;
+ to = size - 1;
+ }
+ if(from > size) {
+ failf(data, "Offset (%"
+ CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+ CURL_FORMAT_CURL_OFF_T ")", from, attrs.filesize);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ if(from > to) {
+ from = to;
+ size = 0;
+ }
+ else {
+ size = to - from + 1;
+ }
+
+ SFTP_SEEK(conn->proto.sshc.sftp_handle, from);
+ }
+ data->req.size = size;
+ data->req.maxdownload = size;
+ Curl_pgrsSetDownloadSize(data, size);
+ }
+
+ /* We can resume if we can seek to the resume position */
+ if(data->state.resume_from) {
+ if(data->state.resume_from < 0) {
+ /* We're supposed to download the last abs(from) bytes */
+ if((curl_off_t)attrs.filesize < -data->state.resume_from) {
+ failf(data, "Offset (%"
+ CURL_FORMAT_CURL_OFF_T ") was beyond file size (%"
+ CURL_FORMAT_CURL_OFF_T ")",
+ data->state.resume_from, attrs.filesize);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ /* download from where? */
+ data->state.resume_from += attrs.filesize;
+ }
+ else {
+ if((curl_off_t)attrs.filesize < data->state.resume_from) {
+ failf(data, "Offset (%" CURL_FORMAT_CURL_OFF_T
+ ") was beyond file size (%" CURL_FORMAT_CURL_OFF_T ")",
+ data->state.resume_from, attrs.filesize);
+ return CURLE_BAD_DOWNLOAD_RESUME;
+ }
+ }
+ /* Now store the number of bytes we are expected to download */
+ data->req.size = attrs.filesize - data->state.resume_from;
+ data->req.maxdownload = attrs.filesize - data->state.resume_from;
+ Curl_pgrsSetDownloadSize(data,
+ attrs.filesize - data->state.resume_from);
+ SFTP_SEEK(sshc->sftp_handle, data->state.resume_from);
+ }
+ }
+
+ /* Setup the actual download */
+ if(data->req.size == 0) {
+ /* no data to transfer */
+ Curl_setup_transfer(data, -1, -1, FALSE, -1);
+ infof(data, "File already completely downloaded\n");
+ state(conn, SSH_STOP);
+ break;
+ }
+ Curl_setup_transfer(data, FIRSTSOCKET, data->req.size, FALSE, -1);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->writesockfd = conn->sockfd;
+
+ /* we want to use the _receiving_ function even when the socket turns
+ out writableable as the underlying libssh2 recv function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_IN;
+
+ if(result) {
+ /* this should never occur; the close state should be entered
+ at the time the error occurs */
+ state(conn, SSH_SFTP_CLOSE);
+ sshc->actualcode = result;
+ }
+ else {
+ state(conn, SSH_STOP);
+ }
+ break;
+
+ case SSH_SFTP_CLOSE:
+ if(sshc->sftp_handle) {
+ rc = libssh2_sftp_close(sshc->sftp_handle);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to close libssh2 file: %d %s\n", rc, err_msg);
+ }
+ sshc->sftp_handle = NULL;
+ }
+
+ Curl_safefree(sftp_scp->path);
+
+ DEBUGF(infof(data, "SFTP DONE done\n"));
+
+ /* Check if nextstate is set and move .nextstate could be POSTQUOTE_INIT
+ After nextstate is executed, the control should come back to
+ SSH_SFTP_CLOSE to pass the correct result back */
+ if(sshc->nextstate != SSH_NO_STATE &&
+ sshc->nextstate != SSH_SFTP_CLOSE) {
+ state(conn, sshc->nextstate);
+ sshc->nextstate = SSH_SFTP_CLOSE;
+ }
+ else {
+ state(conn, SSH_STOP);
+ result = sshc->actualcode;
+ }
+ break;
+
+ case SSH_SFTP_SHUTDOWN:
+ /* during times we get here due to a broken transfer and then the
+ sftp_handle might not have been taken down so make sure that is done
+ before we proceed */
+
+ if(sshc->sftp_handle) {
+ rc = libssh2_sftp_close(sshc->sftp_handle);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session, &err_msg,
+ NULL, 0);
+ infof(data, "Failed to close libssh2 file: %d %s\n", rc, err_msg);
+ }
+ sshc->sftp_handle = NULL;
+ }
+ if(sshc->sftp_session) {
+ rc = libssh2_sftp_shutdown(sshc->sftp_session);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ infof(data, "Failed to stop libssh2 sftp subsystem\n");
+ }
+ sshc->sftp_session = NULL;
+ }
+
+ Curl_safefree(sshc->homedir);
+ conn->data->state.most_recent_ftp_entrypath = NULL;
+
+ state(conn, SSH_SESSION_DISCONNECT);
+ break;
+
+ case SSH_SCP_TRANS_INIT:
+ result = Curl_getworkingpath(conn, sshc->homedir, &sftp_scp->path);
+ if(result) {
+ sshc->actualcode = result;
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ if(data->set.upload) {
+ if(data->state.infilesize < 0) {
+ failf(data, "SCP requires a known file size for upload");
+ sshc->actualcode = CURLE_UPLOAD_FAILED;
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ break;
+ }
+ state(conn, SSH_SCP_UPLOAD_INIT);
+ }
+ else {
+ state(conn, SSH_SCP_DOWNLOAD_INIT);
+ }
+ break;
+
+ case SSH_SCP_UPLOAD_INIT:
+ /*
+ * libssh2 requires that the destination path is a full path that
+ * includes the destination file and name OR ends in a "/" . If this is
+ * not done the destination file will be named the same name as the last
+ * directory in the path.
+ */
+ sshc->ssh_channel =
+ SCP_SEND(sshc->ssh_session, sftp_scp->path, data->set.new_file_perms,
+ data->state.infilesize);
+ if(!sshc->ssh_channel) {
+ int ssh_err;
+ char *err_msg = NULL;
+
+ if(libssh2_session_last_errno(sshc->ssh_session) ==
+ LIBSSH2_ERROR_EAGAIN) {
+ rc = LIBSSH2_ERROR_EAGAIN;
+ break;
+ }
+
+ ssh_err = (int)(libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0));
+ failf(conn->data, "%s", err_msg);
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
+ /* Map generic errors to upload failed */
+ if(sshc->actualcode == CURLE_SSH ||
+ sshc->actualcode == CURLE_REMOTE_FILE_NOT_FOUND)
+ sshc->actualcode = CURLE_UPLOAD_FAILED;
+ break;
+ }
+
+ /* upload data */
data->req.size = data->state.infilesize;
Curl_pgrsSetUploadSize(data, data->state.infilesize);
Curl_setup_transfer(data, -1, -1, FALSE, FIRSTSOCKET);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->sockfd = conn->writesockfd;
-
- if(result) {
- state(conn, SSH_SCP_CHANNEL_FREE);
- sshc->actualcode = result;
- }
- else {
- /* store this original bitmask setup to use later on if we can't
- figure out a "real" bitmask */
- sshc->orig_waitfor = data->req.keepon;
-
- /* we want to use the _sending_ function even when the socket turns
- out readable as the underlying libssh2 scp send function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_OUT;
-
- state(conn, SSH_STOP);
- }
- break;
-
- case SSH_SCP_DOWNLOAD_INIT:
- {
- curl_off_t bytecount;
-
- /*
- * We must check the remote file; if it is a directory no values will
- * be set in sb
- */
-
- /*
- * If support for >2GB files exists, use it.
- */
-
- /* get a fresh new channel from the ssh layer */
-#if LIBSSH2_VERSION_NUM < 0x010700
- struct stat sb;
- memset(&sb, 0, sizeof(struct stat));
- sshc->ssh_channel = libssh2_scp_recv(sshc->ssh_session,
- sftp_scp->path, &sb);
-#else
- libssh2_struct_stat sb;
- memset(&sb, 0, sizeof(libssh2_struct_stat));
- sshc->ssh_channel = libssh2_scp_recv2(sshc->ssh_session,
- sftp_scp->path, &sb);
-#endif
-
- if(!sshc->ssh_channel) {
- int ssh_err;
- char *err_msg = NULL;
-
- if(libssh2_session_last_errno(sshc->ssh_session) ==
- LIBSSH2_ERROR_EAGAIN) {
- rc = LIBSSH2_ERROR_EAGAIN;
- break;
- }
-
-
- ssh_err = (int)(libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0));
- failf(conn->data, "%s", err_msg);
- state(conn, SSH_SCP_CHANNEL_FREE);
- sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
- break;
- }
-
- /* download data */
- bytecount = (curl_off_t)sb.st_size;
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->sockfd = conn->writesockfd;
+
+ if(result) {
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ sshc->actualcode = result;
+ }
+ else {
+ /* store this original bitmask setup to use later on if we can't
+ figure out a "real" bitmask */
+ sshc->orig_waitfor = data->req.keepon;
+
+ /* we want to use the _sending_ function even when the socket turns
+ out readable as the underlying libssh2 scp send function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_OUT;
+
+ state(conn, SSH_STOP);
+ }
+ break;
+
+ case SSH_SCP_DOWNLOAD_INIT:
+ {
+ curl_off_t bytecount;
+
+ /*
+ * We must check the remote file; if it is a directory no values will
+ * be set in sb
+ */
+
+ /*
+ * If support for >2GB files exists, use it.
+ */
+
+ /* get a fresh new channel from the ssh layer */
+#if LIBSSH2_VERSION_NUM < 0x010700
+ struct stat sb;
+ memset(&sb, 0, sizeof(struct stat));
+ sshc->ssh_channel = libssh2_scp_recv(sshc->ssh_session,
+ sftp_scp->path, &sb);
+#else
+ libssh2_struct_stat sb;
+ memset(&sb, 0, sizeof(libssh2_struct_stat));
+ sshc->ssh_channel = libssh2_scp_recv2(sshc->ssh_session,
+ sftp_scp->path, &sb);
+#endif
+
+ if(!sshc->ssh_channel) {
+ int ssh_err;
+ char *err_msg = NULL;
+
+ if(libssh2_session_last_errno(sshc->ssh_session) ==
+ LIBSSH2_ERROR_EAGAIN) {
+ rc = LIBSSH2_ERROR_EAGAIN;
+ break;
+ }
+
+
+ ssh_err = (int)(libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0));
+ failf(conn->data, "%s", err_msg);
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ sshc->actualcode = libssh2_session_error_to_CURLE(ssh_err);
+ break;
+ }
+
+ /* download data */
+ bytecount = (curl_off_t)sb.st_size;
data->req.maxdownload = (curl_off_t)sb.st_size;
- Curl_setup_transfer(data, FIRSTSOCKET, bytecount, FALSE, -1);
-
- /* not set by Curl_setup_transfer to preserve keepon bits */
- conn->writesockfd = conn->sockfd;
-
- /* we want to use the _receiving_ function even when the socket turns
- out writableable as the underlying libssh2 recv function will deal
- with both accordingly */
- conn->cselect_bits = CURL_CSELECT_IN;
-
- if(result) {
- state(conn, SSH_SCP_CHANNEL_FREE);
- sshc->actualcode = result;
- }
- else
- state(conn, SSH_STOP);
- }
- break;
-
- case SSH_SCP_DONE:
- if(data->set.upload)
- state(conn, SSH_SCP_SEND_EOF);
- else
- state(conn, SSH_SCP_CHANNEL_FREE);
- break;
-
- case SSH_SCP_SEND_EOF:
- if(sshc->ssh_channel) {
- rc = libssh2_channel_send_eof(sshc->ssh_channel);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to send libssh2 channel EOF: %d %s\n",
- rc, err_msg);
- }
- }
- state(conn, SSH_SCP_WAIT_EOF);
- break;
-
- case SSH_SCP_WAIT_EOF:
- if(sshc->ssh_channel) {
- rc = libssh2_channel_wait_eof(sshc->ssh_channel);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to get channel EOF: %d %s\n", rc, err_msg);
- }
- }
- state(conn, SSH_SCP_WAIT_CLOSE);
- break;
-
- case SSH_SCP_WAIT_CLOSE:
- if(sshc->ssh_channel) {
- rc = libssh2_channel_wait_closed(sshc->ssh_channel);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Channel failed to close: %d %s\n", rc, err_msg);
- }
- }
- state(conn, SSH_SCP_CHANNEL_FREE);
- break;
-
- case SSH_SCP_CHANNEL_FREE:
- if(sshc->ssh_channel) {
- rc = libssh2_channel_free(sshc->ssh_channel);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to free libssh2 scp subsystem: %d %s\n",
- rc, err_msg);
- }
- sshc->ssh_channel = NULL;
- }
- DEBUGF(infof(data, "SCP DONE phase complete\n"));
-#if 0 /* PREV */
- state(conn, SSH_SESSION_DISCONNECT);
-#endif
- state(conn, SSH_STOP);
- result = sshc->actualcode;
- break;
-
- case SSH_SESSION_DISCONNECT:
- /* during weird times when we've been prematurely aborted, the channel
- is still alive when we reach this state and we MUST kill the channel
- properly first */
- if(sshc->ssh_channel) {
- rc = libssh2_channel_free(sshc->ssh_channel);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to free libssh2 scp subsystem: %d %s\n",
- rc, err_msg);
- }
- sshc->ssh_channel = NULL;
- }
-
- if(sshc->ssh_session) {
- rc = libssh2_session_disconnect(sshc->ssh_session, "Shutdown");
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to disconnect libssh2 session: %d %s\n",
- rc, err_msg);
- }
- }
-
- Curl_safefree(sshc->homedir);
- conn->data->state.most_recent_ftp_entrypath = NULL;
-
- state(conn, SSH_SESSION_FREE);
- break;
-
- case SSH_SESSION_FREE:
-#ifdef HAVE_LIBSSH2_KNOWNHOST_API
- if(sshc->kh) {
- libssh2_knownhost_free(sshc->kh);
- sshc->kh = NULL;
- }
-#endif
-
-#ifdef HAVE_LIBSSH2_AGENT_API
- if(sshc->ssh_agent) {
- rc = libssh2_agent_disconnect(sshc->ssh_agent);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to disconnect from libssh2 agent: %d %s\n",
- rc, err_msg);
- }
- libssh2_agent_free(sshc->ssh_agent);
- sshc->ssh_agent = NULL;
-
- /* NB: there is no need to free identities, they are part of internal
- agent stuff */
- sshc->sshagent_identity = NULL;
- sshc->sshagent_prev_identity = NULL;
- }
-#endif
-
- if(sshc->ssh_session) {
- rc = libssh2_session_free(sshc->ssh_session);
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- break;
- }
- if(rc < 0) {
- char *err_msg = NULL;
- (void)libssh2_session_last_error(sshc->ssh_session,
- &err_msg, NULL, 0);
- infof(data, "Failed to free libssh2 session: %d %s\n", rc, err_msg);
- }
- sshc->ssh_session = NULL;
- }
-
- /* worst-case scenario cleanup */
-
- DEBUGASSERT(sshc->ssh_session == NULL);
- DEBUGASSERT(sshc->ssh_channel == NULL);
- DEBUGASSERT(sshc->sftp_session == NULL);
- DEBUGASSERT(sshc->sftp_handle == NULL);
-#ifdef HAVE_LIBSSH2_KNOWNHOST_API
- DEBUGASSERT(sshc->kh == NULL);
-#endif
-#ifdef HAVE_LIBSSH2_AGENT_API
- DEBUGASSERT(sshc->ssh_agent == NULL);
-#endif
-
- Curl_safefree(sshc->rsa_pub);
- Curl_safefree(sshc->rsa);
-
- Curl_safefree(sshc->quote_path1);
- Curl_safefree(sshc->quote_path2);
-
- Curl_safefree(sshc->homedir);
-
- Curl_safefree(sshc->readdir_filename);
- Curl_safefree(sshc->readdir_longentry);
- Curl_safefree(sshc->readdir_line);
+ Curl_setup_transfer(data, FIRSTSOCKET, bytecount, FALSE, -1);
+
+ /* not set by Curl_setup_transfer to preserve keepon bits */
+ conn->writesockfd = conn->sockfd;
+
+ /* we want to use the _receiving_ function even when the socket turns
+ out writableable as the underlying libssh2 recv function will deal
+ with both accordingly */
+ conn->cselect_bits = CURL_CSELECT_IN;
+
+ if(result) {
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ sshc->actualcode = result;
+ }
+ else
+ state(conn, SSH_STOP);
+ }
+ break;
+
+ case SSH_SCP_DONE:
+ if(data->set.upload)
+ state(conn, SSH_SCP_SEND_EOF);
+ else
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ break;
+
+ case SSH_SCP_SEND_EOF:
+ if(sshc->ssh_channel) {
+ rc = libssh2_channel_send_eof(sshc->ssh_channel);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to send libssh2 channel EOF: %d %s\n",
+ rc, err_msg);
+ }
+ }
+ state(conn, SSH_SCP_WAIT_EOF);
+ break;
+
+ case SSH_SCP_WAIT_EOF:
+ if(sshc->ssh_channel) {
+ rc = libssh2_channel_wait_eof(sshc->ssh_channel);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to get channel EOF: %d %s\n", rc, err_msg);
+ }
+ }
+ state(conn, SSH_SCP_WAIT_CLOSE);
+ break;
+
+ case SSH_SCP_WAIT_CLOSE:
+ if(sshc->ssh_channel) {
+ rc = libssh2_channel_wait_closed(sshc->ssh_channel);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Channel failed to close: %d %s\n", rc, err_msg);
+ }
+ }
+ state(conn, SSH_SCP_CHANNEL_FREE);
+ break;
+
+ case SSH_SCP_CHANNEL_FREE:
+ if(sshc->ssh_channel) {
+ rc = libssh2_channel_free(sshc->ssh_channel);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to free libssh2 scp subsystem: %d %s\n",
+ rc, err_msg);
+ }
+ sshc->ssh_channel = NULL;
+ }
+ DEBUGF(infof(data, "SCP DONE phase complete\n"));
+#if 0 /* PREV */
+ state(conn, SSH_SESSION_DISCONNECT);
+#endif
+ state(conn, SSH_STOP);
+ result = sshc->actualcode;
+ break;
+
+ case SSH_SESSION_DISCONNECT:
+ /* during weird times when we've been prematurely aborted, the channel
+ is still alive when we reach this state and we MUST kill the channel
+ properly first */
+ if(sshc->ssh_channel) {
+ rc = libssh2_channel_free(sshc->ssh_channel);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to free libssh2 scp subsystem: %d %s\n",
+ rc, err_msg);
+ }
+ sshc->ssh_channel = NULL;
+ }
+
+ if(sshc->ssh_session) {
+ rc = libssh2_session_disconnect(sshc->ssh_session, "Shutdown");
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to disconnect libssh2 session: %d %s\n",
+ rc, err_msg);
+ }
+ }
+
+ Curl_safefree(sshc->homedir);
+ conn->data->state.most_recent_ftp_entrypath = NULL;
+
+ state(conn, SSH_SESSION_FREE);
+ break;
+
+ case SSH_SESSION_FREE:
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+ if(sshc->kh) {
+ libssh2_knownhost_free(sshc->kh);
+ sshc->kh = NULL;
+ }
+#endif
+
+#ifdef HAVE_LIBSSH2_AGENT_API
+ if(sshc->ssh_agent) {
+ rc = libssh2_agent_disconnect(sshc->ssh_agent);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to disconnect from libssh2 agent: %d %s\n",
+ rc, err_msg);
+ }
+ libssh2_agent_free(sshc->ssh_agent);
+ sshc->ssh_agent = NULL;
+
+ /* NB: there is no need to free identities, they are part of internal
+ agent stuff */
+ sshc->sshagent_identity = NULL;
+ sshc->sshagent_prev_identity = NULL;
+ }
+#endif
+
+ if(sshc->ssh_session) {
+ rc = libssh2_session_free(sshc->ssh_session);
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ break;
+ }
+ if(rc < 0) {
+ char *err_msg = NULL;
+ (void)libssh2_session_last_error(sshc->ssh_session,
+ &err_msg, NULL, 0);
+ infof(data, "Failed to free libssh2 session: %d %s\n", rc, err_msg);
+ }
+ sshc->ssh_session = NULL;
+ }
+
+ /* worst-case scenario cleanup */
+
+ DEBUGASSERT(sshc->ssh_session == NULL);
+ DEBUGASSERT(sshc->ssh_channel == NULL);
+ DEBUGASSERT(sshc->sftp_session == NULL);
+ DEBUGASSERT(sshc->sftp_handle == NULL);
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+ DEBUGASSERT(sshc->kh == NULL);
+#endif
+#ifdef HAVE_LIBSSH2_AGENT_API
+ DEBUGASSERT(sshc->ssh_agent == NULL);
+#endif
+
+ Curl_safefree(sshc->rsa_pub);
+ Curl_safefree(sshc->rsa);
+
+ Curl_safefree(sshc->quote_path1);
+ Curl_safefree(sshc->quote_path2);
+
+ Curl_safefree(sshc->homedir);
+
+ Curl_safefree(sshc->readdir_filename);
+ Curl_safefree(sshc->readdir_longentry);
+ Curl_safefree(sshc->readdir_line);
Curl_dyn_free(&sshc->readdir);
-
- /* the code we are about to return */
- result = sshc->actualcode;
-
- memset(sshc, 0, sizeof(struct ssh_conn));
-
- connclose(conn, "SSH session free");
- sshc->state = SSH_SESSION_FREE; /* current */
- sshc->nextstate = SSH_NO_STATE;
- state(conn, SSH_STOP);
- break;
-
- case SSH_QUIT:
- /* fallthrough, just stop! */
- default:
- /* internal error */
- sshc->nextstate = SSH_NO_STATE;
- state(conn, SSH_STOP);
- break;
- }
-
- } while(!rc && (sshc->state != SSH_STOP));
-
- if(rc == LIBSSH2_ERROR_EAGAIN) {
- /* we would block, we need to wait for the socket to be ready (in the
- right direction too)! */
- *block = TRUE;
- }
-
- return result;
-}
-
-/* called by the multi interface to figure out what socket(s) to wait for and
- for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
-static int ssh_perform_getsock(const struct connectdata *conn,
- curl_socket_t *sock)
-{
- int bitmap = GETSOCK_BLANK;
-
- sock[0] = conn->sock[FIRSTSOCKET];
-
- if(conn->waitfor & KEEP_RECV)
- bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
-
- if(conn->waitfor & KEEP_SEND)
- bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
-
- return bitmap;
-}
-
-/* Generic function called by the multi interface to figure out what socket(s)
- to wait for and for what actions during the DOING and PROTOCONNECT states*/
-static int ssh_getsock(struct connectdata *conn,
- curl_socket_t *sock)
-{
- /* if we know the direction we can use the generic *_getsock() function even
- for the protocol_connect and doing states */
- return ssh_perform_getsock(conn, sock);
-}
-
-/*
- * When one of the libssh2 functions has returned LIBSSH2_ERROR_EAGAIN this
- * function is used to figure out in what direction and stores this info so
- * that the multi interface can take advantage of it. Make sure to call this
- * function in all cases so that when it _doesn't_ return EAGAIN we can
- * restore the default wait bits.
- */
-static void ssh_block2waitfor(struct connectdata *conn, bool block)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
- int dir = 0;
- if(block) {
- dir = libssh2_session_block_directions(sshc->ssh_session);
- if(dir) {
- /* translate the libssh2 define bits into our own bit defines */
- conn->waitfor = ((dir&LIBSSH2_SESSION_BLOCK_INBOUND)?KEEP_RECV:0) |
- ((dir&LIBSSH2_SESSION_BLOCK_OUTBOUND)?KEEP_SEND:0);
- }
- }
- if(!dir)
- /* It didn't block or libssh2 didn't reveal in which direction, put back
- the original set */
- conn->waitfor = sshc->orig_waitfor;
-}
-
-/* called repeatedly until done from multi.c */
-static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
- CURLcode result = CURLE_OK;
- bool block; /* we store the status and use that to provide a ssh_getsock()
- implementation */
- do {
- result = ssh_statemach_act(conn, &block);
- *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
- /* if there's no error, it isn't done and it didn't EWOULDBLOCK, then
- try again */
- } while(!result && !*done && !block);
- ssh_block2waitfor(conn, block);
-
- return result;
-}
-
-static CURLcode ssh_block_statemach(struct connectdata *conn,
+
+ /* the code we are about to return */
+ result = sshc->actualcode;
+
+ memset(sshc, 0, sizeof(struct ssh_conn));
+
+ connclose(conn, "SSH session free");
+ sshc->state = SSH_SESSION_FREE; /* current */
+ sshc->nextstate = SSH_NO_STATE;
+ state(conn, SSH_STOP);
+ break;
+
+ case SSH_QUIT:
+ /* fallthrough, just stop! */
+ default:
+ /* internal error */
+ sshc->nextstate = SSH_NO_STATE;
+ state(conn, SSH_STOP);
+ break;
+ }
+
+ } while(!rc && (sshc->state != SSH_STOP));
+
+ if(rc == LIBSSH2_ERROR_EAGAIN) {
+ /* we would block, we need to wait for the socket to be ready (in the
+ right direction too)! */
+ *block = TRUE;
+ }
+
+ return result;
+}
+
+/* called by the multi interface to figure out what socket(s) to wait for and
+ for what actions in the DO_DONE, PERFORM and WAITPERFORM states */
+static int ssh_perform_getsock(const struct connectdata *conn,
+ curl_socket_t *sock)
+{
+ int bitmap = GETSOCK_BLANK;
+
+ sock[0] = conn->sock[FIRSTSOCKET];
+
+ if(conn->waitfor & KEEP_RECV)
+ bitmap |= GETSOCK_READSOCK(FIRSTSOCKET);
+
+ if(conn->waitfor & KEEP_SEND)
+ bitmap |= GETSOCK_WRITESOCK(FIRSTSOCKET);
+
+ return bitmap;
+}
+
+/* Generic function called by the multi interface to figure out what socket(s)
+ to wait for and for what actions during the DOING and PROTOCONNECT states*/
+static int ssh_getsock(struct connectdata *conn,
+ curl_socket_t *sock)
+{
+ /* if we know the direction we can use the generic *_getsock() function even
+ for the protocol_connect and doing states */
+ return ssh_perform_getsock(conn, sock);
+}
+
+/*
+ * When one of the libssh2 functions has returned LIBSSH2_ERROR_EAGAIN this
+ * function is used to figure out in what direction and stores this info so
+ * that the multi interface can take advantage of it. Make sure to call this
+ * function in all cases so that when it _doesn't_ return EAGAIN we can
+ * restore the default wait bits.
+ */
+static void ssh_block2waitfor(struct connectdata *conn, bool block)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ int dir = 0;
+ if(block) {
+ dir = libssh2_session_block_directions(sshc->ssh_session);
+ if(dir) {
+ /* translate the libssh2 define bits into our own bit defines */
+ conn->waitfor = ((dir&LIBSSH2_SESSION_BLOCK_INBOUND)?KEEP_RECV:0) |
+ ((dir&LIBSSH2_SESSION_BLOCK_OUTBOUND)?KEEP_SEND:0);
+ }
+ }
+ if(!dir)
+ /* It didn't block or libssh2 didn't reveal in which direction, put back
+ the original set */
+ conn->waitfor = sshc->orig_waitfor;
+}
+
+/* called repeatedly until done from multi.c */
+static CURLcode ssh_multi_statemach(struct connectdata *conn, bool *done)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ CURLcode result = CURLE_OK;
+ bool block; /* we store the status and use that to provide a ssh_getsock()
+ implementation */
+ do {
+ result = ssh_statemach_act(conn, &block);
+ *done = (sshc->state == SSH_STOP) ? TRUE : FALSE;
+ /* if there's no error, it isn't done and it didn't EWOULDBLOCK, then
+ try again */
+ } while(!result && !*done && !block);
+ ssh_block2waitfor(conn, block);
+
+ return result;
+}
+
+static CURLcode ssh_block_statemach(struct connectdata *conn,
bool duringconnect)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
- CURLcode result = CURLE_OK;
- struct Curl_easy *data = conn->data;
-
- while((sshc->state != SSH_STOP) && !result) {
- bool block;
- timediff_t left = 1000;
- struct curltime now = Curl_now();
-
- result = ssh_statemach_act(conn, &block);
- if(result)
- break;
-
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+ CURLcode result = CURLE_OK;
+ struct Curl_easy *data = conn->data;
+
+ while((sshc->state != SSH_STOP) && !result) {
+ bool block;
+ timediff_t left = 1000;
+ struct curltime now = Curl_now();
+
+ result = ssh_statemach_act(conn, &block);
+ if(result)
+ break;
+
if(Curl_pgrsUpdate(conn))
return CURLE_ABORTED_BY_CALLBACK;
-
+
result = Curl_speedcheck(data, now);
if(result)
break;
-
+
left = Curl_timeleft(data, NULL, duringconnect);
if(left < 0) {
failf(data, "Operation timed out");
return CURLE_OPERATION_TIMEDOUT;
- }
-
+ }
+
if(block) {
- int dir = libssh2_session_block_directions(sshc->ssh_session);
- curl_socket_t sock = conn->sock[FIRSTSOCKET];
- curl_socket_t fd_read = CURL_SOCKET_BAD;
- curl_socket_t fd_write = CURL_SOCKET_BAD;
- if(LIBSSH2_SESSION_BLOCK_INBOUND & dir)
- fd_read = sock;
- if(LIBSSH2_SESSION_BLOCK_OUTBOUND & dir)
- fd_write = sock;
- /* wait for the socket to become ready */
- (void)Curl_socket_check(fd_read, CURL_SOCKET_BAD, fd_write,
+ int dir = libssh2_session_block_directions(sshc->ssh_session);
+ curl_socket_t sock = conn->sock[FIRSTSOCKET];
+ curl_socket_t fd_read = CURL_SOCKET_BAD;
+ curl_socket_t fd_write = CURL_SOCKET_BAD;
+ if(LIBSSH2_SESSION_BLOCK_INBOUND & dir)
+ fd_read = sock;
+ if(LIBSSH2_SESSION_BLOCK_OUTBOUND & dir)
+ fd_write = sock;
+ /* wait for the socket to become ready */
+ (void)Curl_socket_check(fd_read, CURL_SOCKET_BAD, fd_write,
left>1000?1000:left);
- }
- }
-
- return result;
-}
-
-/*
- * SSH setup and connection
- */
-static CURLcode ssh_setup_connection(struct connectdata *conn)
-{
- struct SSHPROTO *ssh;
-
+ }
+ }
+
+ return result;
+}
+
+/*
+ * SSH setup and connection
+ */
+static CURLcode ssh_setup_connection(struct connectdata *conn)
+{
+ struct SSHPROTO *ssh;
+
conn->data->req.p.ssh = ssh = calloc(1, sizeof(struct SSHPROTO));
- if(!ssh)
- return CURLE_OUT_OF_MEMORY;
-
- return CURLE_OK;
-}
-
-static Curl_recv scp_recv, sftp_recv;
-static Curl_send scp_send, sftp_send;
-
+ if(!ssh)
+ return CURLE_OUT_OF_MEMORY;
+
+ return CURLE_OK;
+}
+
+static Curl_recv scp_recv, sftp_recv;
+static Curl_send scp_send, sftp_send;
+
#ifndef CURL_DISABLE_PROXY
static ssize_t ssh_tls_recv(libssh2_socket_t sock, void *buffer,
size_t length, int flags, void **abstract)
@@ -3059,47 +3059,47 @@ static ssize_t ssh_tls_send(libssh2_socket_t sock, const void *buffer,
}
#endif
-/*
- * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
- * do protocol-specific actions at connect-time.
- */
-static CURLcode ssh_connect(struct connectdata *conn, bool *done)
-{
-#ifdef CURL_LIBSSH2_DEBUG
- curl_socket_t sock;
-#endif
- struct ssh_conn *ssh;
- CURLcode result;
- struct Curl_easy *data = conn->data;
-
- /* initialize per-handle data if not already */
+/*
+ * Curl_ssh_connect() gets called from Curl_protocol_connect() to allow us to
+ * do protocol-specific actions at connect-time.
+ */
+static CURLcode ssh_connect(struct connectdata *conn, bool *done)
+{
+#ifdef CURL_LIBSSH2_DEBUG
+ curl_socket_t sock;
+#endif
+ struct ssh_conn *ssh;
+ CURLcode result;
+ struct Curl_easy *data = conn->data;
+
+ /* initialize per-handle data if not already */
if(!data->req.p.ssh)
- ssh_setup_connection(conn);
-
- /* We default to persistent connections. We set this already in this connect
- function to make the re-use checks properly be able to check this bit. */
- connkeep(conn, "SSH default");
-
- ssh = &conn->proto.sshc;
-
-#ifdef CURL_LIBSSH2_DEBUG
- if(conn->user) {
- infof(data, "User: %s\n", conn->user);
- }
- if(conn->passwd) {
- infof(data, "Password: %s\n", conn->passwd);
- }
- sock = conn->sock[FIRSTSOCKET];
-#endif /* CURL_LIBSSH2_DEBUG */
-
- ssh->ssh_session = libssh2_session_init_ex(my_libssh2_malloc,
- my_libssh2_free,
- my_libssh2_realloc, conn);
- if(ssh->ssh_session == NULL) {
- failf(data, "Failure initialising ssh session");
- return CURLE_FAILED_INIT;
- }
-
+ ssh_setup_connection(conn);
+
+ /* We default to persistent connections. We set this already in this connect
+ function to make the re-use checks properly be able to check this bit. */
+ connkeep(conn, "SSH default");
+
+ ssh = &conn->proto.sshc;
+
+#ifdef CURL_LIBSSH2_DEBUG
+ if(conn->user) {
+ infof(data, "User: %s\n", conn->user);
+ }
+ if(conn->passwd) {
+ infof(data, "Password: %s\n", conn->passwd);
+ }
+ sock = conn->sock[FIRSTSOCKET];
+#endif /* CURL_LIBSSH2_DEBUG */
+
+ ssh->ssh_session = libssh2_session_init_ex(my_libssh2_malloc,
+ my_libssh2_free,
+ my_libssh2_realloc, conn);
+ if(ssh->ssh_session == NULL) {
+ failf(data, "Failure initialising ssh session");
+ return CURLE_FAILED_INIT;
+ }
+
#ifndef CURL_DISABLE_PROXY
if(conn->http_proxy.proxytype == CURLPROXY_HTTPS) {
/*
@@ -3155,450 +3155,450 @@ static CURLcode ssh_connect(struct connectdata *conn, bool *done)
conn->send[FIRSTSOCKET] = sftp_send;
}
- if(data->set.ssh_compression) {
-#if LIBSSH2_VERSION_NUM >= 0x010208
- if(libssh2_session_flag(ssh->ssh_session, LIBSSH2_FLAG_COMPRESS, 1) < 0)
-#endif
- infof(data, "Failed to enable compression for ssh session\n");
- }
-
-#ifdef HAVE_LIBSSH2_KNOWNHOST_API
- if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
- int rc;
- ssh->kh = libssh2_knownhost_init(ssh->ssh_session);
- if(!ssh->kh) {
- libssh2_session_free(ssh->ssh_session);
- return CURLE_FAILED_INIT;
- }
-
- /* read all known hosts from there */
- rc = libssh2_knownhost_readfile(ssh->kh,
- data->set.str[STRING_SSH_KNOWNHOSTS],
- LIBSSH2_KNOWNHOST_FILE_OPENSSH);
- if(rc < 0)
- infof(data, "Failed to read known hosts from %s\n",
- data->set.str[STRING_SSH_KNOWNHOSTS]);
- }
-#endif /* HAVE_LIBSSH2_KNOWNHOST_API */
-
-#ifdef CURL_LIBSSH2_DEBUG
- libssh2_trace(ssh->ssh_session, ~0);
- infof(data, "SSH socket: %d\n", (int)sock);
-#endif /* CURL_LIBSSH2_DEBUG */
-
- state(conn, SSH_INIT);
-
- result = ssh_multi_statemach(conn, done);
-
- return result;
-}
-
-/*
- ***********************************************************************
- *
- * scp_perform()
- *
- * This is the actual DO function for SCP. Get a file according to
- * the options previously setup.
- */
-
-static
-CURLcode scp_perform(struct connectdata *conn,
- bool *connected,
- bool *dophase_done)
-{
- CURLcode result = CURLE_OK;
-
- DEBUGF(infof(conn->data, "DO phase starts\n"));
-
- *dophase_done = FALSE; /* not done yet */
-
- /* start the first command in the DO phase */
- state(conn, SSH_SCP_TRANS_INIT);
-
- /* run the state-machine */
- result = ssh_multi_statemach(conn, dophase_done);
-
- *connected = conn->bits.tcpconnect[FIRSTSOCKET];
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
-
- return result;
-}
-
-/* called from multi.c while DOing */
-static CURLcode scp_doing(struct connectdata *conn,
- bool *dophase_done)
-{
- CURLcode result;
- result = ssh_multi_statemach(conn, dophase_done);
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
- return result;
-}
-
-/*
- * The DO function is generic for both protocols. There was previously two
- * separate ones but this way means less duplicated code.
- */
-
-static CURLcode ssh_do(struct connectdata *conn, bool *done)
-{
- CURLcode result;
- bool connected = 0;
- struct Curl_easy *data = conn->data;
- struct ssh_conn *sshc = &conn->proto.sshc;
-
- *done = FALSE; /* default to false */
-
- data->req.size = -1; /* make sure this is unknown at this point */
-
- sshc->actualcode = CURLE_OK; /* reset error code */
- sshc->secondCreateDirs = 0; /* reset the create dir attempt state
- variable */
-
- Curl_pgrsSetUploadCounter(data, 0);
- Curl_pgrsSetDownloadCounter(data, 0);
- Curl_pgrsSetUploadSize(data, -1);
- Curl_pgrsSetDownloadSize(data, -1);
-
- if(conn->handler->protocol & CURLPROTO_SCP)
- result = scp_perform(conn, &connected, done);
- else
- result = sftp_perform(conn, &connected, done);
-
- return result;
-}
-
-/* BLOCKING, but the function is using the state machine so the only reason
- this is still blocking is that the multi interface code has no support for
- disconnecting operations that takes a while */
-static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection)
-{
- CURLcode result = CURLE_OK;
- struct ssh_conn *ssh = &conn->proto.sshc;
- (void) dead_connection;
-
- if(ssh->ssh_session) {
- /* only if there's a session still around to use! */
-
- state(conn, SSH_SESSION_DISCONNECT);
-
+ if(data->set.ssh_compression) {
+#if LIBSSH2_VERSION_NUM >= 0x010208
+ if(libssh2_session_flag(ssh->ssh_session, LIBSSH2_FLAG_COMPRESS, 1) < 0)
+#endif
+ infof(data, "Failed to enable compression for ssh session\n");
+ }
+
+#ifdef HAVE_LIBSSH2_KNOWNHOST_API
+ if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
+ int rc;
+ ssh->kh = libssh2_knownhost_init(ssh->ssh_session);
+ if(!ssh->kh) {
+ libssh2_session_free(ssh->ssh_session);
+ return CURLE_FAILED_INIT;
+ }
+
+ /* read all known hosts from there */
+ rc = libssh2_knownhost_readfile(ssh->kh,
+ data->set.str[STRING_SSH_KNOWNHOSTS],
+ LIBSSH2_KNOWNHOST_FILE_OPENSSH);
+ if(rc < 0)
+ infof(data, "Failed to read known hosts from %s\n",
+ data->set.str[STRING_SSH_KNOWNHOSTS]);
+ }
+#endif /* HAVE_LIBSSH2_KNOWNHOST_API */
+
+#ifdef CURL_LIBSSH2_DEBUG
+ libssh2_trace(ssh->ssh_session, ~0);
+ infof(data, "SSH socket: %d\n", (int)sock);
+#endif /* CURL_LIBSSH2_DEBUG */
+
+ state(conn, SSH_INIT);
+
+ result = ssh_multi_statemach(conn, done);
+
+ return result;
+}
+
+/*
+ ***********************************************************************
+ *
+ * scp_perform()
+ *
+ * This is the actual DO function for SCP. Get a file according to
+ * the options previously setup.
+ */
+
+static
+CURLcode scp_perform(struct connectdata *conn,
+ bool *connected,
+ bool *dophase_done)
+{
+ CURLcode result = CURLE_OK;
+
+ DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+ *dophase_done = FALSE; /* not done yet */
+
+ /* start the first command in the DO phase */
+ state(conn, SSH_SCP_TRANS_INIT);
+
+ /* run the state-machine */
+ result = ssh_multi_statemach(conn, dophase_done);
+
+ *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+
+ return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode scp_doing(struct connectdata *conn,
+ bool *dophase_done)
+{
+ CURLcode result;
+ result = ssh_multi_statemach(conn, dophase_done);
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+ return result;
+}
+
+/*
+ * The DO function is generic for both protocols. There was previously two
+ * separate ones but this way means less duplicated code.
+ */
+
+static CURLcode ssh_do(struct connectdata *conn, bool *done)
+{
+ CURLcode result;
+ bool connected = 0;
+ struct Curl_easy *data = conn->data;
+ struct ssh_conn *sshc = &conn->proto.sshc;
+
+ *done = FALSE; /* default to false */
+
+ data->req.size = -1; /* make sure this is unknown at this point */
+
+ sshc->actualcode = CURLE_OK; /* reset error code */
+ sshc->secondCreateDirs = 0; /* reset the create dir attempt state
+ variable */
+
+ Curl_pgrsSetUploadCounter(data, 0);
+ Curl_pgrsSetDownloadCounter(data, 0);
+ Curl_pgrsSetUploadSize(data, -1);
+ Curl_pgrsSetDownloadSize(data, -1);
+
+ if(conn->handler->protocol & CURLPROTO_SCP)
+ result = scp_perform(conn, &connected, done);
+ else
+ result = sftp_perform(conn, &connected, done);
+
+ return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+ this is still blocking is that the multi interface code has no support for
+ disconnecting operations that takes a while */
+static CURLcode scp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+ CURLcode result = CURLE_OK;
+ struct ssh_conn *ssh = &conn->proto.sshc;
+ (void) dead_connection;
+
+ if(ssh->ssh_session) {
+ /* only if there's a session still around to use! */
+
+ state(conn, SSH_SESSION_DISCONNECT);
+
result = ssh_block_statemach(conn, FALSE);
- }
-
- return result;
-}
-
-/* generic done function for both SCP and SFTP called from their specific
- done functions */
-static CURLcode ssh_done(struct connectdata *conn, CURLcode status)
-{
- CURLcode result = CURLE_OK;
+ }
+
+ return result;
+}
+
+/* generic done function for both SCP and SFTP called from their specific
+ done functions */
+static CURLcode ssh_done(struct connectdata *conn, CURLcode status)
+{
+ CURLcode result = CURLE_OK;
struct SSHPROTO *sftp_scp = conn->data->req.p.ssh;
-
- if(!status) {
- /* run the state-machine */
+
+ if(!status) {
+ /* run the state-machine */
+ result = ssh_block_statemach(conn, FALSE);
+ }
+ else
+ result = status;
+
+ if(sftp_scp)
+ Curl_safefree(sftp_scp->path);
+ if(Curl_pgrsDone(conn))
+ return CURLE_ABORTED_BY_CALLBACK;
+
+ conn->data->req.keepon = 0; /* clear all bits */
+ return result;
+}
+
+
+static CURLcode scp_done(struct connectdata *conn, CURLcode status,
+ bool premature)
+{
+ (void)premature; /* not used */
+
+ if(!status)
+ state(conn, SSH_SCP_DONE);
+
+ return ssh_done(conn, status);
+
+}
+
+static ssize_t scp_send(struct connectdata *conn, int sockindex,
+ const void *mem, size_t len, CURLcode *err)
+{
+ ssize_t nwrite;
+ (void)sockindex; /* we only support SCP on the fixed known primary socket */
+
+ /* libssh2_channel_write() returns int! */
+ nwrite = (ssize_t)
+ libssh2_channel_write(conn->proto.sshc.ssh_channel, mem, len);
+
+ ssh_block2waitfor(conn, (nwrite == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+
+ if(nwrite == LIBSSH2_ERROR_EAGAIN) {
+ *err = CURLE_AGAIN;
+ nwrite = 0;
+ }
+ else if(nwrite < LIBSSH2_ERROR_NONE) {
+ *err = libssh2_session_error_to_CURLE((int)nwrite);
+ nwrite = -1;
+ }
+
+ return nwrite;
+}
+
+static ssize_t scp_recv(struct connectdata *conn, int sockindex,
+ char *mem, size_t len, CURLcode *err)
+{
+ ssize_t nread;
+ (void)sockindex; /* we only support SCP on the fixed known primary socket */
+
+ /* libssh2_channel_read() returns int */
+ nread = (ssize_t)
+ libssh2_channel_read(conn->proto.sshc.ssh_channel, mem, len);
+
+ ssh_block2waitfor(conn, (nread == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+ if(nread == LIBSSH2_ERROR_EAGAIN) {
+ *err = CURLE_AGAIN;
+ nread = -1;
+ }
+
+ return nread;
+}
+
+/*
+ * =============== SFTP ===============
+ */
+
+/*
+ ***********************************************************************
+ *
+ * sftp_perform()
+ *
+ * This is the actual DO function for SFTP. Get a file/directory according to
+ * the options previously setup.
+ */
+
+static
+CURLcode sftp_perform(struct connectdata *conn,
+ bool *connected,
+ bool *dophase_done)
+{
+ CURLcode result = CURLE_OK;
+
+ DEBUGF(infof(conn->data, "DO phase starts\n"));
+
+ *dophase_done = FALSE; /* not done yet */
+
+ /* start the first command in the DO phase */
+ state(conn, SSH_SFTP_QUOTE_INIT);
+
+ /* run the state-machine */
+ result = ssh_multi_statemach(conn, dophase_done);
+
+ *connected = conn->bits.tcpconnect[FIRSTSOCKET];
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+
+ return result;
+}
+
+/* called from multi.c while DOing */
+static CURLcode sftp_doing(struct connectdata *conn,
+ bool *dophase_done)
+{
+ CURLcode result = ssh_multi_statemach(conn, dophase_done);
+
+ if(*dophase_done) {
+ DEBUGF(infof(conn->data, "DO phase is complete\n"));
+ }
+ return result;
+}
+
+/* BLOCKING, but the function is using the state machine so the only reason
+ this is still blocking is that the multi interface code has no support for
+ disconnecting operations that takes a while */
+static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
+{
+ CURLcode result = CURLE_OK;
+ (void) dead_connection;
+
+ DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
+
+ if(conn->proto.sshc.ssh_session) {
+ /* only if there's a session still around to use! */
+ state(conn, SSH_SFTP_SHUTDOWN);
result = ssh_block_statemach(conn, FALSE);
- }
- else
- result = status;
-
- if(sftp_scp)
- Curl_safefree(sftp_scp->path);
- if(Curl_pgrsDone(conn))
- return CURLE_ABORTED_BY_CALLBACK;
-
- conn->data->req.keepon = 0; /* clear all bits */
- return result;
-}
-
-
-static CURLcode scp_done(struct connectdata *conn, CURLcode status,
- bool premature)
-{
- (void)premature; /* not used */
-
- if(!status)
- state(conn, SSH_SCP_DONE);
-
- return ssh_done(conn, status);
-
-}
-
-static ssize_t scp_send(struct connectdata *conn, int sockindex,
- const void *mem, size_t len, CURLcode *err)
-{
- ssize_t nwrite;
- (void)sockindex; /* we only support SCP on the fixed known primary socket */
-
- /* libssh2_channel_write() returns int! */
- nwrite = (ssize_t)
- libssh2_channel_write(conn->proto.sshc.ssh_channel, mem, len);
-
- ssh_block2waitfor(conn, (nwrite == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
-
- if(nwrite == LIBSSH2_ERROR_EAGAIN) {
- *err = CURLE_AGAIN;
- nwrite = 0;
- }
- else if(nwrite < LIBSSH2_ERROR_NONE) {
- *err = libssh2_session_error_to_CURLE((int)nwrite);
- nwrite = -1;
- }
-
- return nwrite;
-}
-
-static ssize_t scp_recv(struct connectdata *conn, int sockindex,
- char *mem, size_t len, CURLcode *err)
-{
- ssize_t nread;
- (void)sockindex; /* we only support SCP on the fixed known primary socket */
-
- /* libssh2_channel_read() returns int */
- nread = (ssize_t)
- libssh2_channel_read(conn->proto.sshc.ssh_channel, mem, len);
-
- ssh_block2waitfor(conn, (nread == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
- if(nread == LIBSSH2_ERROR_EAGAIN) {
- *err = CURLE_AGAIN;
- nread = -1;
- }
-
- return nread;
-}
-
-/*
- * =============== SFTP ===============
- */
-
-/*
- ***********************************************************************
- *
- * sftp_perform()
- *
- * This is the actual DO function for SFTP. Get a file/directory according to
- * the options previously setup.
- */
-
-static
-CURLcode sftp_perform(struct connectdata *conn,
- bool *connected,
- bool *dophase_done)
-{
- CURLcode result = CURLE_OK;
-
- DEBUGF(infof(conn->data, "DO phase starts\n"));
-
- *dophase_done = FALSE; /* not done yet */
-
- /* start the first command in the DO phase */
- state(conn, SSH_SFTP_QUOTE_INIT);
-
- /* run the state-machine */
- result = ssh_multi_statemach(conn, dophase_done);
-
- *connected = conn->bits.tcpconnect[FIRSTSOCKET];
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
-
- return result;
-}
-
-/* called from multi.c while DOing */
-static CURLcode sftp_doing(struct connectdata *conn,
- bool *dophase_done)
-{
- CURLcode result = ssh_multi_statemach(conn, dophase_done);
-
- if(*dophase_done) {
- DEBUGF(infof(conn->data, "DO phase is complete\n"));
- }
- return result;
-}
-
-/* BLOCKING, but the function is using the state machine so the only reason
- this is still blocking is that the multi interface code has no support for
- disconnecting operations that takes a while */
-static CURLcode sftp_disconnect(struct connectdata *conn, bool dead_connection)
-{
- CURLcode result = CURLE_OK;
- (void) dead_connection;
-
- DEBUGF(infof(conn->data, "SSH DISCONNECT starts now\n"));
-
- if(conn->proto.sshc.ssh_session) {
- /* only if there's a session still around to use! */
- state(conn, SSH_SFTP_SHUTDOWN);
- result = ssh_block_statemach(conn, FALSE);
- }
-
- DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
-
- return result;
-
-}
-
-static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
- bool premature)
-{
- struct ssh_conn *sshc = &conn->proto.sshc;
-
- if(!status) {
- /* Post quote commands are executed after the SFTP_CLOSE state to avoid
- errors that could happen due to open file handles during POSTQUOTE
- operation */
- if(!premature && conn->data->set.postquote && !conn->bits.retry)
- sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
- state(conn, SSH_SFTP_CLOSE);
- }
- return ssh_done(conn, status);
-}
-
-/* return number of sent bytes */
-static ssize_t sftp_send(struct connectdata *conn, int sockindex,
- const void *mem, size_t len, CURLcode *err)
-{
- ssize_t nwrite; /* libssh2_sftp_write() used to return size_t in 0.14
- but is changed to ssize_t in 0.15. These days we don't
- support libssh2 0.15*/
- (void)sockindex;
-
- nwrite = libssh2_sftp_write(conn->proto.sshc.sftp_handle, mem, len);
-
- ssh_block2waitfor(conn, (nwrite == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
-
- if(nwrite == LIBSSH2_ERROR_EAGAIN) {
- *err = CURLE_AGAIN;
- nwrite = 0;
- }
- else if(nwrite < LIBSSH2_ERROR_NONE) {
- *err = libssh2_session_error_to_CURLE((int)nwrite);
- nwrite = -1;
- }
-
- return nwrite;
-}
-
-/*
- * Return number of received (decrypted) bytes
- * or <0 on error
- */
-static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
- char *mem, size_t len, CURLcode *err)
-{
- ssize_t nread;
- (void)sockindex;
-
- nread = libssh2_sftp_read(conn->proto.sshc.sftp_handle, mem, len);
-
- ssh_block2waitfor(conn, (nread == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
-
- if(nread == LIBSSH2_ERROR_EAGAIN) {
- *err = CURLE_AGAIN;
- nread = -1;
-
- }
- else if(nread < 0) {
- *err = libssh2_session_error_to_CURLE((int)nread);
- }
- return nread;
-}
-
+ }
+
+ DEBUGF(infof(conn->data, "SSH DISCONNECT is done\n"));
+
+ return result;
+
+}
+
+static CURLcode sftp_done(struct connectdata *conn, CURLcode status,
+ bool premature)
+{
+ struct ssh_conn *sshc = &conn->proto.sshc;
+
+ if(!status) {
+ /* Post quote commands are executed after the SFTP_CLOSE state to avoid
+ errors that could happen due to open file handles during POSTQUOTE
+ operation */
+ if(!premature && conn->data->set.postquote && !conn->bits.retry)
+ sshc->nextstate = SSH_SFTP_POSTQUOTE_INIT;
+ state(conn, SSH_SFTP_CLOSE);
+ }
+ return ssh_done(conn, status);
+}
+
+/* return number of sent bytes */
+static ssize_t sftp_send(struct connectdata *conn, int sockindex,
+ const void *mem, size_t len, CURLcode *err)
+{
+ ssize_t nwrite; /* libssh2_sftp_write() used to return size_t in 0.14
+ but is changed to ssize_t in 0.15. These days we don't
+ support libssh2 0.15*/
+ (void)sockindex;
+
+ nwrite = libssh2_sftp_write(conn->proto.sshc.sftp_handle, mem, len);
+
+ ssh_block2waitfor(conn, (nwrite == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+
+ if(nwrite == LIBSSH2_ERROR_EAGAIN) {
+ *err = CURLE_AGAIN;
+ nwrite = 0;
+ }
+ else if(nwrite < LIBSSH2_ERROR_NONE) {
+ *err = libssh2_session_error_to_CURLE((int)nwrite);
+ nwrite = -1;
+ }
+
+ return nwrite;
+}
+
+/*
+ * Return number of received (decrypted) bytes
+ * or <0 on error
+ */
+static ssize_t sftp_recv(struct connectdata *conn, int sockindex,
+ char *mem, size_t len, CURLcode *err)
+{
+ ssize_t nread;
+ (void)sockindex;
+
+ nread = libssh2_sftp_read(conn->proto.sshc.sftp_handle, mem, len);
+
+ ssh_block2waitfor(conn, (nread == LIBSSH2_ERROR_EAGAIN)?TRUE:FALSE);
+
+ if(nread == LIBSSH2_ERROR_EAGAIN) {
+ *err = CURLE_AGAIN;
+ nread = -1;
+
+ }
+ else if(nread < 0) {
+ *err = libssh2_session_error_to_CURLE((int)nread);
+ }
+ return nread;
+}
+
static const char *sftp_libssh2_strerror(unsigned long err)
-{
- switch(err) {
- case LIBSSH2_FX_NO_SUCH_FILE:
- return "No such file or directory";
-
- case LIBSSH2_FX_PERMISSION_DENIED:
- return "Permission denied";
-
- case LIBSSH2_FX_FAILURE:
- return "Operation failed";
-
- case LIBSSH2_FX_BAD_MESSAGE:
- return "Bad message from SFTP server";
-
- case LIBSSH2_FX_NO_CONNECTION:
- return "Not connected to SFTP server";
-
- case LIBSSH2_FX_CONNECTION_LOST:
- return "Connection to SFTP server lost";
-
- case LIBSSH2_FX_OP_UNSUPPORTED:
- return "Operation not supported by SFTP server";
-
- case LIBSSH2_FX_INVALID_HANDLE:
- return "Invalid handle";
-
- case LIBSSH2_FX_NO_SUCH_PATH:
- return "No such file or directory";
-
- case LIBSSH2_FX_FILE_ALREADY_EXISTS:
- return "File already exists";
-
- case LIBSSH2_FX_WRITE_PROTECT:
- return "File is write protected";
-
- case LIBSSH2_FX_NO_MEDIA:
- return "No media";
-
- case LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM:
- return "Disk full";
-
- case LIBSSH2_FX_QUOTA_EXCEEDED:
- return "User quota exceeded";
-
- case LIBSSH2_FX_UNKNOWN_PRINCIPLE:
- return "Unknown principle";
-
- case LIBSSH2_FX_LOCK_CONFlICT:
- return "File lock conflict";
-
- case LIBSSH2_FX_DIR_NOT_EMPTY:
- return "Directory not empty";
-
- case LIBSSH2_FX_NOT_A_DIRECTORY:
- return "Not a directory";
-
- case LIBSSH2_FX_INVALID_FILENAME:
- return "Invalid filename";
-
- case LIBSSH2_FX_LINK_LOOP:
- return "Link points to itself";
- }
- return "Unknown error in libssh2";
-}
-
-CURLcode Curl_ssh_init(void)
-{
-#ifdef HAVE_LIBSSH2_INIT
- if(libssh2_init(0)) {
- DEBUGF(fprintf(stderr, "Error: libssh2_init failed\n"));
- return CURLE_FAILED_INIT;
- }
-#endif
- return CURLE_OK;
-}
-
-void Curl_ssh_cleanup(void)
-{
-#ifdef HAVE_LIBSSH2_EXIT
- (void)libssh2_exit();
-#endif
-}
-
-size_t Curl_ssh_version(char *buffer, size_t buflen)
-{
- return msnprintf(buffer, buflen, "libssh2/%s", LIBSSH2_VERSION);
-}
-
-#endif /* USE_LIBSSH2 */
+{
+ switch(err) {
+ case LIBSSH2_FX_NO_SUCH_FILE:
+ return "No such file or directory";
+
+ case LIBSSH2_FX_PERMISSION_DENIED:
+ return "Permission denied";
+
+ case LIBSSH2_FX_FAILURE:
+ return "Operation failed";
+
+ case LIBSSH2_FX_BAD_MESSAGE:
+ return "Bad message from SFTP server";
+
+ case LIBSSH2_FX_NO_CONNECTION:
+ return "Not connected to SFTP server";
+
+ case LIBSSH2_FX_CONNECTION_LOST:
+ return "Connection to SFTP server lost";
+
+ case LIBSSH2_FX_OP_UNSUPPORTED:
+ return "Operation not supported by SFTP server";
+
+ case LIBSSH2_FX_INVALID_HANDLE:
+ return "Invalid handle";
+
+ case LIBSSH2_FX_NO_SUCH_PATH:
+ return "No such file or directory";
+
+ case LIBSSH2_FX_FILE_ALREADY_EXISTS:
+ return "File already exists";
+
+ case LIBSSH2_FX_WRITE_PROTECT:
+ return "File is write protected";
+
+ case LIBSSH2_FX_NO_MEDIA:
+ return "No media";
+
+ case LIBSSH2_FX_NO_SPACE_ON_FILESYSTEM:
+ return "Disk full";
+
+ case LIBSSH2_FX_QUOTA_EXCEEDED:
+ return "User quota exceeded";
+
+ case LIBSSH2_FX_UNKNOWN_PRINCIPLE:
+ return "Unknown principle";
+
+ case LIBSSH2_FX_LOCK_CONFlICT:
+ return "File lock conflict";
+
+ case LIBSSH2_FX_DIR_NOT_EMPTY:
+ return "Directory not empty";
+
+ case LIBSSH2_FX_NOT_A_DIRECTORY:
+ return "Not a directory";
+
+ case LIBSSH2_FX_INVALID_FILENAME:
+ return "Invalid filename";
+
+ case LIBSSH2_FX_LINK_LOOP:
+ return "Link points to itself";
+ }
+ return "Unknown error in libssh2";
+}
+
+CURLcode Curl_ssh_init(void)
+{
+#ifdef HAVE_LIBSSH2_INIT
+ if(libssh2_init(0)) {
+ DEBUGF(fprintf(stderr, "Error: libssh2_init failed\n"));
+ return CURLE_FAILED_INIT;
+ }
+#endif
+ return CURLE_OK;
+}
+
+void Curl_ssh_cleanup(void)
+{
+#ifdef HAVE_LIBSSH2_EXIT
+ (void)libssh2_exit();
+#endif
+}
+
+size_t Curl_ssh_version(char *buffer, size_t buflen)
+{
+ return msnprintf(buffer, buflen, "libssh2/%s", LIBSSH2_VERSION);
+}
+
+#endif /* USE_LIBSSH2 */