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authordjm@openbsd.org <djm@openbsd.org>2019-12-21 02:19:13 +0000
committerDamien Miller <djm@mindrot.org>2019-12-21 13:22:07 +1100
commit40be78f503277bd91c958fa25ea9ef918a2ffd3d (patch)
treeb17303fad21f97437b44cf3264a03abfd503ebdf /clientloop.c
parent416f15372bfb5be1709a0ad1d00ef5d8ebfb9e0e (diff)
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
Diffstat (limited to 'clientloop.c')
-rw-r--r--clientloop.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/clientloop.c b/clientloop.c
index 880abfda..8f0332df 100644
--- a/clientloop.c
+++ b/clientloop.c
@@ -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
@@ -135,6 +135,12 @@ extern int muxserver_sock; /* XXX use mux_client_cleanup() instead */
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
@@ -1618,7 +1624,12 @@ client_request_agent(struct ssh *ssh, const char *request_type, int rchan)
"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));