From a2921825b76dd141bc3a8c2104090d228212ba60 Mon Sep 17 00:00:00 2001
From: Michael Jumper <mike.jumper@guac-dev.org>
Date: Mon, 2 Dec 2013 02:00:37 -0800
Subject: [PATCH] Initiate agent forwarding if supported.

---
 src/protocols/ssh/Makefile.am  |  2 +-
 src/protocols/ssh/ssh_client.c | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/protocols/ssh/Makefile.am b/src/protocols/ssh/Makefile.am
index 952c109d..7ba1114b 100644
--- a/src/protocols/ssh/Makefile.am
+++ b/src/protocols/ssh/Makefile.am
@@ -81,7 +81,7 @@ libguac_client_ssh_la_SOURCES += ssh_agent.c
 noinst_HEADERS += ssh_agent.h
 endif
 
-libguac_client_ssh_la_CFLAGS = -Werror -Wall -pedantic -Iinclude @PANGO_CFLAGS@ @PANGOCAIRO_CFLAGS@ @LIBGUAC_INCLUDE@
+libguac_client_ssh_la_CFLAGS = -Werror -Wall -Iinclude @PANGO_CFLAGS@ @PANGOCAIRO_CFLAGS@ @LIBGUAC_INCLUDE@
 libguac_client_ssh_la_LIBADD = @LIBGUAC_LTLIB@
 libguac_client_ssh_la_LDFLAGS = -version-info 0:0:0 @SSH_LIBS@ @SSL_LIBS@ @PTHREAD_LIBS@ @PANGO_LIBS@ @PANGOCAIRO_LIBS@ @CAIRO_LIBS@
 
diff --git a/src/protocols/ssh/ssh_client.c b/src/protocols/ssh/ssh_client.c
index 6dd0d62d..f4fbfb31 100644
--- a/src/protocols/ssh/ssh_client.c
+++ b/src/protocols/ssh/ssh_client.c
@@ -59,6 +59,10 @@
 #include "sftp.h"
 #include "ssh_key.h"
 
+#ifdef ENABLE_SSH_AGENT
+#include "ssh_agent.h"
+#endif
+
 /**
  * Reads a single line from STDIN.
  */
@@ -367,6 +371,15 @@ void* ssh_client_thread(void* data) {
         return NULL;
     }
 
+#ifdef ENABLE_SSH_AGENT
+    libssh2_session_callback_set(client_data->session,
+            LIBSSH2_CALLBACK_AUTH_AGENT, (void*) ssh_auth_agent_callback);
+
+    /* Request agent forwarding */
+    if (libssh2_channel_request_auth_agent(client_data->term_channel))
+        guac_client_log_error(client, "Agent forwarding request failed");
+#endif
+
     /* Start SFTP session as well, if enabled */
     if (client_data->enable_sftp) {