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Code Issues Releases Wiki Activity

ssh_connect: tunnel through HTTP proxy if requested

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This commit is contained in:
Daniel Stenberg 2012-03-08 21:47:54 +01:00
parent c55a0809bb
commit cabd010dd4
1 changed files with 29 additions and 1 deletions
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30
lib/ssh.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2012, 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
@ -90,6 +90,7 @@
#include "multiif.h"
#include "select.h"
#include "warnless.h"
#include "http_proxy.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
@ -2659,6 +2660,33 @@ static CURLcode ssh_connect(struct connectdata *conn, bool *done)
sessionhandle, deal with it */
Curl_reset_reqproto(conn);
if(conn->bits.tunnel_proxy && conn->bits.httpproxy) {
/* for SSH over HTTP proxy */
struct HTTP http_proxy;
struct SSHPROTO *ssh_save;
/* BLOCKING */
/* We want "seamless" SSH operations through HTTP proxy tunnel */
/* Curl_proxyCONNECT is based on a pointer to a struct HTTP at the member
* conn->proto.http; we want SSH 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 struct
* SSH pointer
*/
ssh_save = data->state.proto.ssh;
memset(&http_proxy, 0, sizeof(http_proxy));
data->state.proto.http = &http_proxy;
result = Curl_proxyCONNECT(conn, FIRSTSOCKET,
conn->host.name, conn->remote_port);
data->state.proto.ssh = ssh_save;
if(CURLE_OK != result)
return result;
}
result = ssh_init(conn);
if(result)
return result;