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authorNikita Slyusarev <nslus@yandex-team.com>2022-02-10 16:46:52 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:46:52 +0300
commitcd77cecfc03a3eaf87816af28a33067c4f0cdb59 (patch)
tree1308e0bae862d52e0020d881fe758080437fe389 /contrib/libs/curl/lib/http_proxy.c
parentcdae02d225fb5b3afbb28990e79a7ac6c9125327 (diff)
downloadydb-cd77cecfc03a3eaf87816af28a33067c4f0cdb59.tar.gz
Restoring authorship annotation for Nikita Slyusarev <nslus@yandex-team.com>. Commit 1 of 2.
Diffstat (limited to 'contrib/libs/curl/lib/http_proxy.c')
-rw-r--r--contrib/libs/curl/lib/http_proxy.c430
1 files changed, 215 insertions, 215 deletions
diff --git a/contrib/libs/curl/lib/http_proxy.c b/contrib/libs/curl/lib/http_proxy.c
index 4242251219..61b8e2675d 100644
--- a/contrib/libs/curl/lib/http_proxy.c
+++ b/contrib/libs/curl/lib/http_proxy.c
@@ -1,54 +1,54 @@
-/***************************************************************************
- * _ _ ____ _
- * 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.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
+ *
+ * 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"
+
#include "http_proxy.h"
-#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
-
-#include <curl/curl.h>
-#include "sendf.h"
-#include "http.h"
-#include "url.h"
-#include "select.h"
-#include "progress.h"
-#include "non-ascii.h"
-#include "connect.h"
-#include "curlx.h"
+#if !defined(CURL_DISABLE_PROXY) && !defined(CURL_DISABLE_HTTP)
+
+#include <curl/curl.h>
+#include "sendf.h"
+#include "http.h"
+#include "url.h"
+#include "select.h"
+#include "progress.h"
+#include "non-ascii.h"
+#include "connect.h"
+#include "curlx.h"
#include "vtls/vtls.h"
-
+
/* The last 3 #include files should be in this order */
#include "curl_printf.h"
-#include "curl_memory.h"
-#include "memdebug.h"
-
+#include "curl_memory.h"
+#include "memdebug.h"
+
/*
* Perform SSL initialization for HTTPS proxy. Sets
* proxy_ssl_connected connection bit when complete. Can be
* called multiple times.
*/
static CURLcode https_proxy_connect(struct connectdata *conn, int sockindex)
-{
+{
#ifdef USE_SSL
CURLcode result = CURLE_OK;
DEBUGASSERT(conn->http_proxy.proxytype == CURLPROXY_HTTPS);
@@ -81,29 +81,29 @@ CURLcode Curl_proxy_connect(struct connectdata *conn, int sockindex)
return result; /* wait for HTTPS proxy SSL initialization to complete */
}
- if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
-#ifndef CURL_DISABLE_PROXY
- /* for [protocol] tunneled through HTTP proxy */
- struct HTTP http_proxy;
- void *prot_save;
+ if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
+#ifndef CURL_DISABLE_PROXY
+ /* for [protocol] tunneled through HTTP proxy */
+ struct HTTP http_proxy;
+ void *prot_save;
const char *hostname;
int remote_port;
- CURLcode result;
-
- /* BLOCKING */
- /* We want "seamless" operations through HTTP proxy tunnel */
-
- /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the
- * member conn->proto.http; we want [protocol] through HTTP and we have
- * to change the member temporarily for connecting to the HTTP
- * proxy. After Curl_proxyCONNECT we have to set back the member to the
- * original pointer
- *
- * This function might be called several times in the multi interface case
+ CURLcode result;
+
+ /* BLOCKING */
+ /* We want "seamless" operations through HTTP proxy tunnel */
+
+ /* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the
+ * member conn->proto.http; we want [protocol] through HTTP and we have
+ * to change the member temporarily for connecting to the HTTP
+ * proxy. After Curl_proxyCONNECT we have to set back the member to the
+ * original pointer
+ *
+ * This function might be called several times in the multi interface case
* if the proxy's CONNECT response is not instant.
- */
+ */
prot_save = conn->data->req.p.http;
- memset(&http_proxy, 0, sizeof(http_proxy));
+ memset(&http_proxy, 0, sizeof(http_proxy));
conn->data->req.p.http = &http_proxy;
connkeep(conn, "HTTP proxy CONNECT");
@@ -126,25 +126,25 @@ CURLcode Curl_proxy_connect(struct connectdata *conn, int sockindex)
remote_port = conn->remote_port;
result = Curl_proxyCONNECT(conn, sockindex, hostname, remote_port);
conn->data->req.p.http = prot_save;
- if(CURLE_OK != result)
- return result;
+ if(CURLE_OK != result)
+ return result;
Curl_safefree(data->state.aptr.proxyuserpwd);
-#else
- return CURLE_NOT_BUILT_IN;
-#endif
- }
- /* no HTTP tunnel proxy, just return */
- return CURLE_OK;
-}
-
+#else
+ return CURLE_NOT_BUILT_IN;
+#endif
+ }
+ /* no HTTP tunnel proxy, just return */
+ return CURLE_OK;
+}
+
bool Curl_connect_complete(struct connectdata *conn)
{
return !conn->connect_state ||
(conn->connect_state->tunnel_state == TUNNEL_COMPLETE);
}
-
+
bool Curl_connect_ongoing(struct connectdata *conn)
-{
+{
return conn->connect_state &&
(conn->connect_state->tunnel_state != TUNNEL_COMPLETE);
}
@@ -188,49 +188,49 @@ static CURLcode CONNECT(struct connectdata *conn,
{
int subversion = 0;
struct Curl_easy *data = conn->data;
- struct SingleRequest *k = &data->req;
- CURLcode result;
- curl_socket_t tunnelsocket = conn->sock[sockindex];
+ struct SingleRequest *k = &data->req;
+ CURLcode result;
+ curl_socket_t tunnelsocket = conn->sock[sockindex];
struct http_connect_state *s = conn->connect_state;
char *linep;
size_t perline;
-
-#define SELECT_OK 0
-#define SELECT_ERROR 1
-
+
+#define SELECT_OK 0
+#define SELECT_ERROR 1
+
if(Curl_connect_complete(conn))
- return CURLE_OK; /* CONNECT is already completed */
-
- conn->bits.proxy_connect_closed = FALSE;
-
- do {
+ return CURLE_OK; /* CONNECT is already completed */
+
+ conn->bits.proxy_connect_closed = FALSE;
+
+ do {
timediff_t check;
if(TUNNEL_INIT == s->tunnel_state) {
- /* BEGIN CONNECT PHASE */
- char *host_port;
+ /* BEGIN CONNECT PHASE */
+ char *host_port;
struct dynbuf req;
-
+
infof(data, "Establish HTTP proxy tunnel to %s:%d\n",
- hostname, remote_port);
-
- /* This only happens if we've looped here due to authentication
- reasons, and we don't really use the newly cloned URL here
- then. Just free() it. */
+ hostname, remote_port);
+
+ /* This only happens if we've looped here due to authentication
+ reasons, and we don't really use the newly cloned URL here
+ then. Just free() it. */
free(data->req.newurl);
data->req.newurl = NULL;
-
+
host_port = aprintf("%s:%d", hostname, remote_port);
if(!host_port)
- return CURLE_OUT_OF_MEMORY;
-
+ return CURLE_OUT_OF_MEMORY;
+
/* initialize a dynamic send-buffer */
Curl_dyn_init(&req, DYN_HTTP_REQUEST);
- /* Setup the proxy-authorization header, if any */
- result = Curl_http_output_auth(conn, "CONNECT", host_port, TRUE);
-
- free(host_port);
-
+ /* Setup the proxy-authorization header, if any */
+ result = Curl_http_output_auth(conn, "CONNECT", host_port, TRUE);
+
+ free(host_port);
+
if(!result) {
char *host = NULL;
const char *proxyconn = "";
@@ -245,28 +245,28 @@ static CURLcode CONNECT(struct connectdata *conn,
ipv6_ip = (strchr(hostname, ':') != NULL);
hostheader = /* host:port with IPv6 support */
aprintf("%s%s%s:%d", ipv6_ip?"[":"", hostname, ipv6_ip?"]":"",
- remote_port);
- if(!hostheader) {
+ remote_port);
+ if(!hostheader) {
Curl_dyn_free(&req);
- return CURLE_OUT_OF_MEMORY;
- }
-
+ return CURLE_OUT_OF_MEMORY;
+ }
+
if(!Curl_checkProxyheaders(conn, "Host")) {
- host = aprintf("Host: %s\r\n", hostheader);
- if(!host) {
- free(hostheader);
+ host = aprintf("Host: %s\r\n", hostheader);
+ if(!host) {
+ free(hostheader);
Curl_dyn_free(&req);
- return CURLE_OUT_OF_MEMORY;
- }
- }
+ return CURLE_OUT_OF_MEMORY;
+ }
+ }
if(!Curl_checkProxyheaders(conn, "Proxy-Connection"))
- proxyconn = "Proxy-Connection: Keep-Alive\r\n";
-
+ proxyconn = "Proxy-Connection: Keep-Alive\r\n";
+
if(!Curl_checkProxyheaders(conn, "User-Agent") &&
- data->set.str[STRING_USERAGENT])
+ data->set.str[STRING_USERAGENT])
useragent = data->state.aptr.uagent;
-
- result =
+
+ result =
Curl_dyn_addf(&req,
"CONNECT %s HTTP/%s\r\n"
"%s" /* Host: */
@@ -280,35 +280,35 @@ static CURLcode CONNECT(struct connectdata *conn,
data->state.aptr.proxyuserpwd:"",
useragent,
proxyconn);
-
+
if(host)
- free(host);
- free(hostheader);
-
+ free(host);
+ free(hostheader);
+
if(!result)
result = Curl_add_custom_headers(conn, TRUE, &req);
-
+
if(!result)
- /* CRLF terminate the request */
+ /* CRLF terminate the request */
result = Curl_dyn_add(&req, "\r\n");
-
+
if(!result) {
- /* Send the connect request to the proxy */
- /* BLOCKING */
+ /* Send the connect request to the proxy */
+ /* BLOCKING */
result = Curl_buffer_send(&req, conn, &data->info.request_size, 0,
sockindex);
- }
- if(result)
- failf(data, "Failed sending CONNECT to proxy");
- }
-
+ }
+ if(result)
+ failf(data, "Failed sending CONNECT to proxy");
+ }
+
Curl_dyn_free(&req);
- if(result)
- return result;
-
+ if(result)
+ return result;
+
s->tunnel_state = TUNNEL_CONNECT;
} /* END CONNECT PHASE */
-
+
check = Curl_timeleft(data, NULL, TRUE);
if(check <= 0) {
failf(data, "Proxy CONNECT aborted due to timeout");
@@ -317,31 +317,31 @@ static CURLcode CONNECT(struct connectdata *conn,
if(!Curl_conn_data_pending(conn, sockindex))
/* return so we'll be called again polling-style */
- return CURLE_OK;
-
+ return CURLE_OK;
+
/* at this point, the tunnel_connecting phase is over. */
-
+
{ /* READING RESPONSE PHASE */
int error = SELECT_OK;
-
+
while(s->keepon) {
ssize_t gotbytes;
char byte;
-
+
/* Read one byte at a time to avoid a race condition. Wait at most one
second before looping to ensure continuous pgrsUpdates. */
result = Curl_read(conn, tunnelsocket, &byte, 1, &gotbytes);
if(result == CURLE_AGAIN)
/* socket buffer drained, return */
return CURLE_OK;
-
+
if(Curl_pgrsUpdate(conn))
return CURLE_ABORTED_BY_CALLBACK;
if(result) {
s->keepon = KEEPON_DONE;
- break;
- }
+ break;
+ }
else if(gotbytes <= 0) {
if(data->set.proxyauth && data->state.authproxy.avail) {
/* proxy auth was requested and there was proxy auth available,
@@ -356,7 +356,7 @@ static CURLcode CONNECT(struct connectdata *conn,
s->keepon = KEEPON_DONE;
break;
}
-
+
if(s->keepon == KEEPON_IGNORE) {
/* This means we are currently ignoring a response-body */
@@ -368,15 +368,15 @@ static CURLcode CONNECT(struct connectdata *conn,
s->keepon = KEEPON_DONE;
s->tunnel_state = TUNNEL_COMPLETE;
break;
- }
- }
- else {
+ }
+ }
+ else {
/* chunked-encoded body, so we need to do the chunked dance
properly to know when the end of the body is reached */
CHUNKcode r;
CURLcode extra;
ssize_t tookcareof = 0;
-
+
/* now parse the chunked piece of data so that we can
properly tell when the stream ends */
r = Curl_httpchunk_read(conn, &byte, 1, &tookcareof, &extra);
@@ -390,16 +390,16 @@ static CURLcode CONNECT(struct connectdata *conn,
}
continue;
}
-
+
if(Curl_dyn_addn(&s->rcvbuf, &byte, 1)) {
failf(data, "CONNECT response too large!");
return CURLE_RECV_ERROR;
}
-
+
/* if this is not the end of a header line then continue */
if(byte != 0x0a)
continue;
-
+
linep = Curl_dyn_ptr(&s->rcvbuf);
perline = Curl_dyn_len(&s->rcvbuf); /* amount of bytes in this line */
@@ -408,27 +408,27 @@ static CURLcode CONNECT(struct connectdata *conn,
/* Curl_convert_from_network calls failf if unsuccessful */
if(result)
return result;
-
+
/* output debug if that is requested */
Curl_debug(data, CURLINFO_HEADER_IN, linep, perline);
-
+
if(!data->set.suppress_connect_headers) {
/* send the header to the callback */
int writetype = CLIENTWRITE_HEADER;
if(data->set.include_header)
writetype |= CLIENTWRITE_BODY;
-
+
result = Curl_client_write(conn, writetype, linep, perline);
if(result)
return result;
}
-
+
data->info.header_size += (long)perline;
-
+
/* Newlines are CRLF, so the CR is ignored as the line isn't
really terminated until the LF comes. Treat a following CR
as end-of-headers as well.*/
-
+
if(('\r' == linep[0]) ||
('\n' == linep[0])) {
/* end of response-headers from the proxy */
@@ -438,7 +438,7 @@ static CURLcode CONNECT(struct connectdata *conn,
when we have no auth problem, we must ignore the
whole response-body */
s->keepon = KEEPON_IGNORE;
-
+
if(s->cl) {
infof(data, "Ignore %" CURL_FORMAT_CURL_OFF_T
" bytes of response-body\n", s->cl);
@@ -446,18 +446,18 @@ static CURLcode CONNECT(struct connectdata *conn,
else if(s->chunked_encoding) {
CHUNKcode r;
CURLcode extra;
-
+
infof(data, "Ignore chunked response-body\n");
-
+
/* We set ignorebody true here since the chunked decoder
function will acknowledge that. Pay attention so that this is
cleared again when this function returns! */
k->ignorebody = TRUE;
-
+
if(linep[1] == '\n')
/* this can only be a LF if the letter at index 0 was a CR */
linep++;
-
+
/* now parse the chunked piece of data so that we can properly
tell when the stream ends */
r = Curl_httpchunk_read(conn, linep + 1, 1, &gotbytes,
@@ -484,19 +484,19 @@ static CURLcode CONNECT(struct connectdata *conn,
s->tunnel_state = TUNNEL_COMPLETE;
continue;
}
-
+
if((checkprefix("WWW-Authenticate:", linep) &&
(401 == k->httpcode)) ||
(checkprefix("Proxy-authenticate:", linep) &&
(407 == k->httpcode))) {
-
+
bool proxy = (k->httpcode == 407) ? TRUE : FALSE;
char *auth = Curl_copy_header_value(linep);
if(!auth)
return CURLE_OUT_OF_MEMORY;
-
+
result = Curl_http_input_auth(conn, proxy, auth);
-
+
free(auth);
if(result)
@@ -509,7 +509,7 @@ static CURLcode CONNECT(struct connectdata *conn,
"Successful" described as: 2xx (Successful). RFC 7231 4.3.6 */
infof(data, "Ignoring Content-Length in CONNECT %03d response\n",
k->httpcode);
- }
+ }
else {
(void)curlx_strtoofft(linep +
strlen("Content-Length:"), NULL, 10, &s->cl);
@@ -543,91 +543,91 @@ static CURLcode CONNECT(struct connectdata *conn,
}
Curl_dyn_reset(&s->rcvbuf);
- } /* while there's buffer left and loop is requested */
-
+ } /* while there's buffer left and loop is requested */
+
if(Curl_pgrsUpdate(conn))
return CURLE_ABORTED_BY_CALLBACK;
- if(error)
- return CURLE_RECV_ERROR;
-
+ if(error)
+ return CURLE_RECV_ERROR;
+
if(data->info.httpproxycode/100 != 2) {
- /* Deal with the possibly already received authenticate
- headers. 'newurl' is set to a new URL if we must loop. */
- result = Curl_http_auth_act(conn);
- if(result)
- return result;
-
- if(conn->bits.close)
- /* the connection has been marked for closure, most likely in the
- Curl_http_auth_act() function and thus we can kill it at once
+ /* Deal with the possibly already received authenticate
+ headers. 'newurl' is set to a new URL if we must loop. */
+ result = Curl_http_auth_act(conn);
+ if(result)
+ return result;
+
+ if(conn->bits.close)
+ /* the connection has been marked for closure, most likely in the
+ Curl_http_auth_act() function and thus we can kill it at once
below */
s->close_connection = TRUE;
- }
-
+ }
+
if(s->close_connection && data->req.newurl) {
- /* Connection closed by server. Don't use it anymore */
- Curl_closesocket(conn, conn->sock[sockindex]);
- conn->sock[sockindex] = CURL_SOCKET_BAD;
- break;
- }
+ /* Connection closed by server. Don't use it anymore */
+ Curl_closesocket(conn, conn->sock[sockindex]);
+ conn->sock[sockindex] = CURL_SOCKET_BAD;
+ break;
+ }
} /* END READING RESPONSE PHASE */
-
- /* If we are supposed to continue and request a new URL, which basically
- * means the HTTP authentication is still going on so if the tunnel
- * is complete we start over in INIT state */
+
+ /* If we are supposed to continue and request a new URL, which basically
+ * means the HTTP authentication is still going on so if the tunnel
+ * is complete we start over in INIT state */
if(data->req.newurl && (TUNNEL_COMPLETE == s->tunnel_state)) {
connect_init(conn, TRUE); /* reinit */
- }
-
- } while(data->req.newurl);
-
+ }
+
+ } while(data->req.newurl);
+
if(data->info.httpproxycode/100 != 2) {
if(s->close_connection && data->req.newurl) {
- conn->bits.proxy_connect_closed = TRUE;
+ conn->bits.proxy_connect_closed = TRUE;
infof(data, "Connect me again please\n");
connect_done(conn);
}
else {
- free(data->req.newurl);
- data->req.newurl = NULL;
+ free(data->req.newurl);
+ data->req.newurl = NULL;
/* failure, close this connection to avoid re-use */
streamclose(conn, "proxy CONNECT failure");
Curl_closesocket(conn, conn->sock[sockindex]);
conn->sock[sockindex] = CURL_SOCKET_BAD;
- }
-
- /* to back to init state */
+ }
+
+ /* to back to init state */
s->tunnel_state = TUNNEL_INIT;
-
+
if(conn->bits.proxy_connect_closed)
/* this is not an error, just part of the connection negotiation */
return CURLE_OK;
Curl_dyn_free(&s->rcvbuf);
failf(data, "Received HTTP code %d from proxy after CONNECT",
data->req.httpcode);
- return CURLE_RECV_ERROR;
- }
-
+ return CURLE_RECV_ERROR;
+ }
+
s->tunnel_state = TUNNEL_COMPLETE;
-
- /* If a proxy-authorization header was used for the proxy, then we should
- make sure that it isn't accidentally used for the document request
- after we've connected. So let's free and clear it here. */
+
+ /* If a proxy-authorization header was used for the proxy, then we should
+ make sure that it isn't accidentally used for the document request
+ after we've connected. So let's free and clear it here. */
Curl_safefree(data->state.aptr.proxyuserpwd);
data->state.aptr.proxyuserpwd = NULL;
-
- data->state.authproxy.done = TRUE;
+
+ data->state.authproxy.done = TRUE;
data->state.authproxy.multipass = FALSE;
-
+
infof(data, "Proxy replied %d to CONNECT request\n",
data->info.httpproxycode);
- data->req.ignorebody = FALSE; /* put it (back) to non-ignore state */
- conn->bits.rewindaftersend = FALSE; /* make sure this isn't set for the
- document request */
+ data->req.ignorebody = FALSE; /* put it (back) to non-ignore state */
+ conn->bits.rewindaftersend = FALSE; /* make sure this isn't set for the
+ document request */
Curl_dyn_free(&s->rcvbuf);
- return CURLE_OK;
-}
+ return CURLE_OK;
+}
void Curl_connect_free(struct Curl_easy *data)
{
@@ -670,4 +670,4 @@ void Curl_connect_free(struct Curl_easy *data)
(void)data;
}
-#endif /* CURL_DISABLE_PROXY */
+#endif /* CURL_DISABLE_PROXY */