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server: implement server-side of agent forwarding

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Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
This commit is contained in:
Aris Adamantiadis
2013-03-13 22:08:49 +01:00
committed by Andreas Schneider
parent 81e769ec6a
commit 7e306a9ec6
2 changed files with 35 additions and 0 deletions
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1
include/libssh/libssh.h
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@@ -362,6 +362,7 @@ LIBSSH_API int ssh_channel_is_closed(ssh_channel channel);
LIBSSH_API int ssh_channel_is_eof(ssh_channel channel); LIBSSH_API int ssh_channel_is_eof(ssh_channel channel);
LIBSSH_API int ssh_channel_is_open(ssh_channel channel); LIBSSH_API int ssh_channel_is_open(ssh_channel channel);
LIBSSH_API ssh_channel ssh_channel_new(ssh_session session); LIBSSH_API ssh_channel ssh_channel_new(ssh_session session);
LIBSSH_API int ssh_channel_open_auth_agent(ssh_channel channel);
LIBSSH_API int ssh_channel_open_forward(ssh_channel channel, const char *remotehost, LIBSSH_API int ssh_channel_open_forward(ssh_channel channel, const char *remotehost,
int remoteport, const char *sourcehost, int localport); int remoteport, const char *sourcehost, int localport);
LIBSSH_API int ssh_channel_open_session(ssh_channel channel); LIBSSH_API int ssh_channel_open_session(ssh_channel channel);

34
src/channels.c
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@@ -948,6 +948,40 @@ int ssh_channel_open_session(ssh_channel channel) {
NULL); NULL);
} }
/**
* @brief Open an agent authentication forwarding channel. This type of channel
* can be opened by a server towards a client in order to provide SSH-Agent services
* to the server-side process. This channel can only be opened if the client
* claimed support by sending a channel request beforehand.
*
* @param[in] channel An allocated channel.
*
* @return SSH_OK on success,
* SSH_ERROR if an error occurred,
* SSH_AGAIN if in nonblocking mode and call has
* to be done again.
*
* @see channel_open_forward()
*/
int ssh_channel_open_auth_agent(ssh_channel channel){
if(channel == NULL) {
return SSH_ERROR;
}
#ifdef WITH_SSH1
if (channel->session->version == 1) {
return SSH_ERROR;
}
#endif
return channel_open(channel,
"auth-agent",
CHANNEL_INITIAL_WINDOW,
CHANNEL_MAX_PACKET,
NULL);
}
/** /**
* @brief Open a TCP/IP forwarding channel. * @brief Open a TCP/IP forwarding channel.
* *