connect: Set timeout on connect

This also fixes error handling in ssh_poll_ctx_dopoll() and
ssh_handle_packets(), so it won't loop forever on an actual timeout.

src/client.c

@@ -673,8 +673,6 @@ int ssh_connect(ssh_session session) {
   } else {
     ret=ssh_socket_connect(session->socket, session->host, session->port,
     		session->bindaddr);
-
-    /*, session->timeout * 1000 + session->timeout_usec); */
   }
   if (ret == SSH_ERROR) {
     leave_function();
@@ -687,8 +685,12 @@ int ssh_connect(ssh_session session) {
   ssh_log(session,SSH_LOG_PROTOCOL,"Socket connecting, now waiting for the callbacks to work");
 pending:
 	session->pending_call_state=SSH_PENDING_CALL_CONNECT;
-  if(ssh_is_blocking(session))
-    ssh_handle_packets_termination(session,-1,ssh_connect_termination,session);
+  if(ssh_is_blocking(session)) {
+    int timeout = session->timeout * 1000 + session->timeout_usec;
+	if (timeout <= 0)
+	  timeout = -1;
+    ssh_handle_packets_termination(session,timeout,ssh_connect_termination,session);
+  }
   else
     ssh_handle_packets_termination(session,0,ssh_connect_termination, session);
   ssh_log(session,SSH_LOG_PACKET,"ssh_connect: Actual state : %d",session->session_state);

src/poll.c

@@ -645,10 +645,8 @@ int ssh_poll_ctx_dopoll(ssh_poll_ctx ctx, int timeout) {
     return 0;
 
   rc = ssh_poll(ctx->pollfds, ctx->polls_used, timeout);
-  if(rc < 0)
-    rc=SSH_ERROR;
   if(rc <= 0)
-    return rc;
+    return SSH_ERROR;
   used = ctx->polls_used;
   for (i = 0; i < used && rc > 0; ) {
     if (!ctx->pollfds[i].revents) {

src/session.c

@@ -429,7 +429,8 @@ int ssh_handle_packets(ssh_session session, int timeout) {
   	if(spoll_in != spoll_out)
   	  ssh_poll_ctx_add(ctx,spoll_out);
   }
-  ssh_poll_ctx_dopoll(ctx,timeout);
+  if( ssh_poll_ctx_dopoll(ctx,timeout) )
+    session->session_state = SSH_SESSION_STATE_ERROR;
   leave_function();
   if (session->session_state != SSH_SESSION_STATE_ERROR)
   	return SSH_OK;