===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/ssh/clientloop.c,v
retrieving revision 1.329
retrieving revision 1.330
diff -u -r1.329 -r1.330
--- src/usr.bin/ssh/clientloop.c	2019/11/25 00:51:37	1.329
+++ src/usr.bin/ssh/clientloop.c	2019/12/21 02:19:13	1.330
@@ -1,4 +1,4 @@
-/* $OpenBSD: clientloop.c,v 1.329 2019/11/25 00:51:37 djm Exp $ */
+/* $OpenBSD: clientloop.c,v 1.330 2019/12/21 02:19:13 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -128,6 +128,12 @@
 extern char *host;
 
 /*
+ * If this field is not NULL, the ForwardAgent socket is this path and different
+ * instead of SSH_AUTH_SOCK.
+ */
+extern char *forward_agent_sock_path;
+
+/*
  * Flag to indicate that we have received a window change signal which has
  * not yet been processed.  This will cause a message indicating the new
  * window size to be sent to the server a little later.  This is volatile
@@ -1610,7 +1616,12 @@
 		    "malicious server.");
 		return NULL;
 	}
-	if ((r = ssh_get_authentication_socket(&sock)) != 0) {
+	if (forward_agent_sock_path == NULL) {
+		r = ssh_get_authentication_socket(&sock);
+	} else {
+		r = ssh_get_authentication_socket_path(forward_agent_sock_path, &sock);
+	}
+	if (r != 0) {
 		if (r != SSH_ERR_AGENT_NOT_PRESENT)
 			debug("%s: ssh_get_authentication_socket: %s",
 			    __func__, ssh_err(r));