upstream: Allow forwarding a different agent socket to the path

specified by $SSH_AUTH_SOCK, by extending the existing ForwardAgent option to
accepting an explicit path or the name of an environment variable in addition
to yes/no.

Patch by Eric Chiang, manpage by me; ok markus@

OpenBSD-Commit-ID: 98f2ed80bf34ea54d8b2ddd19ac14ebbf40e9265

1 files changed, 2 insertions, 1 deletions

diff --git a/authfd.h b/authfd.h
index 443771a00..c3bf6259a 100644
--- a/authfd.h
+++ b/authfd.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: authfd.h,v 1.47 2019/10/31 21:19:15 djm Exp $ */
+/* $OpenBSD: authfd.h,v 1.48 2019/12/21 02:19:13 djm Exp $ */
 
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
@@ -24,6 +24,7 @@ struct ssh_identitylist {
 };
 
 int     ssh_get_authentication_socket(int *fdp);
+int     ssh_get_authentication_socket_path(const char *authsocket, int *fdp);
 void    ssh_close_authentication_socket(int sock);
 
 int     ssh_lock_agent(int sock, int lock, const char *password);