diff options
author | thegeorg <thegeorg@yandex-team.ru> | 2022-02-10 16:45:12 +0300 |
---|---|---|
committer | Daniil Cherednik <dcherednik@yandex-team.ru> | 2022-02-10 16:45:12 +0300 |
commit | 49116032d905455a7b1c994e4a696afc885c1e71 (patch) | |
tree | be835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/curl/lib/vssh/ssh.h | |
parent | 4e839db24a3bbc9f1c610c43d6faaaa99824dcca (diff) | |
download | ydb-49116032d905455a7b1c994e4a696afc885c1e71.tar.gz |
Restoring authorship annotation for <thegeorg@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/curl/lib/vssh/ssh.h')
-rw-r--r-- | contrib/libs/curl/lib/vssh/ssh.h | 540 |
1 files changed, 270 insertions, 270 deletions
diff --git a/contrib/libs/curl/lib/vssh/ssh.h b/contrib/libs/curl/lib/vssh/ssh.h index ead9d65a07..00a70bac27 100644 --- a/contrib/libs/curl/lib/vssh/ssh.h +++ b/contrib/libs/curl/lib/vssh/ssh.h @@ -1,270 +1,270 @@ -#ifndef HEADER_CURL_SSH_H -#define HEADER_CURL_SSH_H -/*************************************************************************** - * _ _ ____ _ - * 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 - * 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" - -#if defined(HAVE_LIBSSH2_H) -#error #include <libssh2.h> -#error #include <libssh2_sftp.h> -#elif defined(HAVE_LIBSSH_LIBSSH_H) -#error #include <libssh/libssh.h> -#error #include <libssh/sftp.h> -#elif defined(USE_WOLFSSH) -#error #include <wolfssh/ssh.h> -#error #include <wolfssh/wolfsftp.h> -#endif - -/**************************************************************************** - * SSH unique setup - ***************************************************************************/ -typedef enum { - SSH_NO_STATE = -1, /* Used for "nextState" so say there is none */ - SSH_STOP = 0, /* do nothing state, stops the state machine */ - - SSH_INIT, /* First state in SSH-CONNECT */ - SSH_S_STARTUP, /* Session startup */ - SSH_HOSTKEY, /* verify hostkey */ - SSH_AUTHLIST, - SSH_AUTH_PKEY_INIT, - SSH_AUTH_PKEY, - SSH_AUTH_PASS_INIT, - SSH_AUTH_PASS, - SSH_AUTH_AGENT_INIT, /* initialize then wait for connection to agent */ - SSH_AUTH_AGENT_LIST, /* ask for list then wait for entire list to come */ - SSH_AUTH_AGENT, /* attempt one key at a time */ - 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, /* Last state in SSH-CONNECT */ - - SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */ - SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */ - 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, /* Last state in SFTP-DO */ - SSH_SFTP_CLOSE, /* Last state in SFTP-DONE */ - SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */ - SSH_SCP_TRANS_INIT, /* First state in SCP-DO */ - 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, /* Last state in SCP-DONE */ - SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */ - SSH_SESSION_FREE, /* Last state in SCP/SFTP-DISCONNECT */ - SSH_QUIT, - SSH_LAST /* never used */ -} sshstate; - -/* this struct is used in the HandleData struct which is part of the - Curl_easy, which means this is used on a per-easy handle basis. - Everything that is strictly related to a connection is banned from this - struct. */ -struct SSHPROTO { - char *path; /* the path we operate on */ -}; - -/* ssh_conn is used for struct connection-oriented data in the connectdata - struct */ -struct ssh_conn { - const char *authlist; /* List of auth. methods, managed by libssh2 */ - - /* common */ - const char *passphrase; /* pass-phrase to use */ - char *rsa_pub; /* path name */ - char *rsa; /* path name */ - bool authed; /* the connection has been authenticated fine */ - sshstate state; /* always use ssh.c:state() to change state! */ - sshstate nextstate; /* the state to goto after stopping */ - CURLcode actualcode; /* the actual error code */ - struct curl_slist *quote_item; /* for the quote option */ - char *quote_path1; /* two generic pointers for the QUOTE stuff */ - char *quote_path2; - - bool acceptfail; /* used by the SFTP_QUOTE (continue if - quote command fails) */ - char *homedir; /* when doing SFTP we figure out home dir in the - connect phase */ - char *readdir_line; - /* end of READDIR stuff */ - - int secondCreateDirs; /* counter use by the code to see if the - second attempt has been made to change - to/create a directory */ - char *slash_pos; /* used by the SFTP_CREATE_DIRS state */ - - int orig_waitfor; /* default READ/WRITE bits wait for */ - -#if defined(USE_LIBSSH) - char *readdir_linkPath; - size_t readdir_len, readdir_totalLen, readdir_currLen; -/* our variables */ - unsigned kbd_state; /* 0 or 1 */ - ssh_key privkey; - ssh_key pubkey; - int auth_methods; - ssh_session ssh_session; - ssh_scp scp_session; - sftp_session sftp_session; - sftp_file sftp_file; - sftp_dir sftp_dir; - - unsigned sftp_recv_state; /* 0 or 1 */ - int sftp_file_index; /* for async read */ - sftp_attributes readdir_attrs; /* used by the SFTP readdir actions */ - sftp_attributes readdir_link_attrs; /* used by the SFTP readdir actions */ - sftp_attributes quote_attrs; /* used by the SFTP_QUOTE state */ - - const char *readdir_filename; /* points within readdir_attrs */ - const char *readdir_longentry; - char *readdir_tmp; -#elif defined(USE_LIBSSH2) - struct dynbuf readdir_link; - struct dynbuf readdir; - char *readdir_filename; - char *readdir_longentry; - - LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */ - - /* Here's a set of struct members used by the SFTP_READDIR state */ - LIBSSH2_SFTP_ATTRIBUTES readdir_attrs; - LIBSSH2_SESSION *ssh_session; /* Secure Shell session */ - LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */ - LIBSSH2_SFTP *sftp_session; /* SFTP handle */ - LIBSSH2_SFTP_HANDLE *sftp_handle; - -#ifndef CURL_DISABLE_PROXY - /* for HTTPS proxy storage */ - Curl_recv *tls_recv; - Curl_send *tls_send; -#endif - -#ifdef HAVE_LIBSSH2_AGENT_API - LIBSSH2_AGENT *ssh_agent; /* proxy to ssh-agent/pageant */ - struct libssh2_agent_publickey *sshagent_identity, - *sshagent_prev_identity; -#endif - - /* note that HAVE_LIBSSH2_KNOWNHOST_API is a define set in the libssh2.h - header */ -#ifdef HAVE_LIBSSH2_KNOWNHOST_API - LIBSSH2_KNOWNHOSTS *kh; -#endif -#elif defined(USE_WOLFSSH) - WOLFSSH *ssh_session; - WOLFSSH_CTX *ctx; - word32 handleSz; - byte handle[WOLFSSH_MAX_HANDLE]; - curl_off_t offset; -#endif /* USE_LIBSSH */ -}; - -#if defined(USE_LIBSSH) - -#define CURL_LIBSSH_VERSION ssh_version(0) - -#elif defined(USE_LIBSSH2) - -/* Feature detection based on version numbers to better work with - non-configure platforms */ - -#if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000) -# error "SCP/SFTP protocols require libssh2 0.16 or later" -#endif - -#if LIBSSH2_VERSION_NUM >= 0x010000 -#define HAVE_LIBSSH2_SFTP_SEEK64 1 -#endif - -#if LIBSSH2_VERSION_NUM >= 0x010100 -#define HAVE_LIBSSH2_VERSION 1 -#endif - -#if LIBSSH2_VERSION_NUM >= 0x010205 -#define HAVE_LIBSSH2_INIT 1 -#define HAVE_LIBSSH2_EXIT 1 -#endif - -#if LIBSSH2_VERSION_NUM >= 0x010206 -#define HAVE_LIBSSH2_KNOWNHOST_CHECKP 1 -#define HAVE_LIBSSH2_SCP_SEND64 1 -#endif - -#if LIBSSH2_VERSION_NUM >= 0x010208 -#define HAVE_LIBSSH2_SESSION_HANDSHAKE 1 -#endif - -#ifdef HAVE_LIBSSH2_VERSION -/* get it run-time if possible */ -#define CURL_LIBSSH2_VERSION libssh2_version(0) -#else -/* use build-time if run-time not possible */ -#define CURL_LIBSSH2_VERSION LIBSSH2_VERSION -#endif - -#endif /* USE_LIBSSH2 */ - -#ifdef USE_SSH - -extern const struct Curl_handler Curl_handler_scp; -extern const struct Curl_handler Curl_handler_sftp; - -/* generic SSH backend functions */ -CURLcode Curl_ssh_init(void); -void Curl_ssh_cleanup(void); -size_t Curl_ssh_version(char *buffer, size_t buflen); -#else -/* for non-SSH builds */ -#define Curl_ssh_cleanup() -#endif - -#endif /* HEADER_CURL_SSH_H */ +#ifndef HEADER_CURL_SSH_H +#define HEADER_CURL_SSH_H +/*************************************************************************** + * _ _ ____ _ + * 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 + * 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" + +#if defined(HAVE_LIBSSH2_H) +#error #include <libssh2.h> +#error #include <libssh2_sftp.h> +#elif defined(HAVE_LIBSSH_LIBSSH_H) +#error #include <libssh/libssh.h> +#error #include <libssh/sftp.h> +#elif defined(USE_WOLFSSH) +#error #include <wolfssh/ssh.h> +#error #include <wolfssh/wolfsftp.h> +#endif + +/**************************************************************************** + * SSH unique setup + ***************************************************************************/ +typedef enum { + SSH_NO_STATE = -1, /* Used for "nextState" so say there is none */ + SSH_STOP = 0, /* do nothing state, stops the state machine */ + + SSH_INIT, /* First state in SSH-CONNECT */ + SSH_S_STARTUP, /* Session startup */ + SSH_HOSTKEY, /* verify hostkey */ + SSH_AUTHLIST, + SSH_AUTH_PKEY_INIT, + SSH_AUTH_PKEY, + SSH_AUTH_PASS_INIT, + SSH_AUTH_PASS, + SSH_AUTH_AGENT_INIT, /* initialize then wait for connection to agent */ + SSH_AUTH_AGENT_LIST, /* ask for list then wait for entire list to come */ + SSH_AUTH_AGENT, /* attempt one key at a time */ + 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, /* Last state in SSH-CONNECT */ + + SSH_SFTP_QUOTE_INIT, /* First state in SFTP-DO */ + SSH_SFTP_POSTQUOTE_INIT, /* (Possibly) First state in SFTP-DONE */ + 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, /* Last state in SFTP-DO */ + SSH_SFTP_CLOSE, /* Last state in SFTP-DONE */ + SSH_SFTP_SHUTDOWN, /* First state in SFTP-DISCONNECT */ + SSH_SCP_TRANS_INIT, /* First state in SCP-DO */ + 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, /* Last state in SCP-DONE */ + SSH_SESSION_DISCONNECT, /* First state in SCP-DISCONNECT */ + SSH_SESSION_FREE, /* Last state in SCP/SFTP-DISCONNECT */ + SSH_QUIT, + SSH_LAST /* never used */ +} sshstate; + +/* this struct is used in the HandleData struct which is part of the + Curl_easy, which means this is used on a per-easy handle basis. + Everything that is strictly related to a connection is banned from this + struct. */ +struct SSHPROTO { + char *path; /* the path we operate on */ +}; + +/* ssh_conn is used for struct connection-oriented data in the connectdata + struct */ +struct ssh_conn { + const char *authlist; /* List of auth. methods, managed by libssh2 */ + + /* common */ + const char *passphrase; /* pass-phrase to use */ + char *rsa_pub; /* path name */ + char *rsa; /* path name */ + bool authed; /* the connection has been authenticated fine */ + sshstate state; /* always use ssh.c:state() to change state! */ + sshstate nextstate; /* the state to goto after stopping */ + CURLcode actualcode; /* the actual error code */ + struct curl_slist *quote_item; /* for the quote option */ + char *quote_path1; /* two generic pointers for the QUOTE stuff */ + char *quote_path2; + + bool acceptfail; /* used by the SFTP_QUOTE (continue if + quote command fails) */ + char *homedir; /* when doing SFTP we figure out home dir in the + connect phase */ + char *readdir_line; + /* end of READDIR stuff */ + + int secondCreateDirs; /* counter use by the code to see if the + second attempt has been made to change + to/create a directory */ + char *slash_pos; /* used by the SFTP_CREATE_DIRS state */ + + int orig_waitfor; /* default READ/WRITE bits wait for */ + +#if defined(USE_LIBSSH) + char *readdir_linkPath; + size_t readdir_len, readdir_totalLen, readdir_currLen; +/* our variables */ + unsigned kbd_state; /* 0 or 1 */ + ssh_key privkey; + ssh_key pubkey; + int auth_methods; + ssh_session ssh_session; + ssh_scp scp_session; + sftp_session sftp_session; + sftp_file sftp_file; + sftp_dir sftp_dir; + + unsigned sftp_recv_state; /* 0 or 1 */ + int sftp_file_index; /* for async read */ + sftp_attributes readdir_attrs; /* used by the SFTP readdir actions */ + sftp_attributes readdir_link_attrs; /* used by the SFTP readdir actions */ + sftp_attributes quote_attrs; /* used by the SFTP_QUOTE state */ + + const char *readdir_filename; /* points within readdir_attrs */ + const char *readdir_longentry; + char *readdir_tmp; +#elif defined(USE_LIBSSH2) + struct dynbuf readdir_link; + struct dynbuf readdir; + char *readdir_filename; + char *readdir_longentry; + + LIBSSH2_SFTP_ATTRIBUTES quote_attrs; /* used by the SFTP_QUOTE state */ + + /* Here's a set of struct members used by the SFTP_READDIR state */ + LIBSSH2_SFTP_ATTRIBUTES readdir_attrs; + LIBSSH2_SESSION *ssh_session; /* Secure Shell session */ + LIBSSH2_CHANNEL *ssh_channel; /* Secure Shell channel handle */ + LIBSSH2_SFTP *sftp_session; /* SFTP handle */ + LIBSSH2_SFTP_HANDLE *sftp_handle; + +#ifndef CURL_DISABLE_PROXY + /* for HTTPS proxy storage */ + Curl_recv *tls_recv; + Curl_send *tls_send; +#endif + +#ifdef HAVE_LIBSSH2_AGENT_API + LIBSSH2_AGENT *ssh_agent; /* proxy to ssh-agent/pageant */ + struct libssh2_agent_publickey *sshagent_identity, + *sshagent_prev_identity; +#endif + + /* note that HAVE_LIBSSH2_KNOWNHOST_API is a define set in the libssh2.h + header */ +#ifdef HAVE_LIBSSH2_KNOWNHOST_API + LIBSSH2_KNOWNHOSTS *kh; +#endif +#elif defined(USE_WOLFSSH) + WOLFSSH *ssh_session; + WOLFSSH_CTX *ctx; + word32 handleSz; + byte handle[WOLFSSH_MAX_HANDLE]; + curl_off_t offset; +#endif /* USE_LIBSSH */ +}; + +#if defined(USE_LIBSSH) + +#define CURL_LIBSSH_VERSION ssh_version(0) + +#elif defined(USE_LIBSSH2) + +/* Feature detection based on version numbers to better work with + non-configure platforms */ + +#if !defined(LIBSSH2_VERSION_NUM) || (LIBSSH2_VERSION_NUM < 0x001000) +# error "SCP/SFTP protocols require libssh2 0.16 or later" +#endif + +#if LIBSSH2_VERSION_NUM >= 0x010000 +#define HAVE_LIBSSH2_SFTP_SEEK64 1 +#endif + +#if LIBSSH2_VERSION_NUM >= 0x010100 +#define HAVE_LIBSSH2_VERSION 1 +#endif + +#if LIBSSH2_VERSION_NUM >= 0x010205 +#define HAVE_LIBSSH2_INIT 1 +#define HAVE_LIBSSH2_EXIT 1 +#endif + +#if LIBSSH2_VERSION_NUM >= 0x010206 +#define HAVE_LIBSSH2_KNOWNHOST_CHECKP 1 +#define HAVE_LIBSSH2_SCP_SEND64 1 +#endif + +#if LIBSSH2_VERSION_NUM >= 0x010208 +#define HAVE_LIBSSH2_SESSION_HANDSHAKE 1 +#endif + +#ifdef HAVE_LIBSSH2_VERSION +/* get it run-time if possible */ +#define CURL_LIBSSH2_VERSION libssh2_version(0) +#else +/* use build-time if run-time not possible */ +#define CURL_LIBSSH2_VERSION LIBSSH2_VERSION +#endif + +#endif /* USE_LIBSSH2 */ + +#ifdef USE_SSH + +extern const struct Curl_handler Curl_handler_scp; +extern const struct Curl_handler Curl_handler_sftp; + +/* generic SSH backend functions */ +CURLcode Curl_ssh_init(void); +void Curl_ssh_cleanup(void); +size_t Curl_ssh_version(char *buffer, size_t buflen); +#else +/* for non-SSH builds */ +#define Curl_ssh_cleanup() +#endif + +#endif /* HEADER_CURL_SSH_H */ |