[openssh-commits] [openssh] 01/02: upstream: Handle dynamic remote port forwarding in escape commandline's

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dtucker pushed a commit to branch master
in repository openssh.

commit 650de7ecd3567b5a5dbf16dd1eb598bd8c20bca8
Author: dtucker at openbsd.org <dtucker at openbsd.org>
Date:   Thu Nov 10 23:03:10 2022 +0000

    upstream: Handle dynamic remote port forwarding in escape commandline's
    
    -R processing. bz#3499, ok djm@
    
    OpenBSD-Commit-ID: 194ee4cfe7ed0e2b8ad0727f493c798a50454208
---
 clientloop.c | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/clientloop.c b/clientloop.c
index 289d0b68..02349ccb 100644
--- a/clientloop.c
+++ b/clientloop.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: clientloop.c,v 1.381 2022/11/09 01:37:44 djm Exp $ */
+/* $OpenBSD: clientloop.c,v 1.382 2022/11/10 23:03:10 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo at cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo at cs.hut.fi>, Espoo, Finland
@@ -846,8 +846,15 @@ process_cmdline(struct ssh *ssh)
 		}
 		logit("Canceled forwarding.");
 	} else {
-		if (!parse_forward(&fwd, s, dynamic, remote)) {
-			logit("Bad forwarding specification.");
+		/* -R specs can be both dynamic or not, so check both. */
+		if (remote) {
+			if (!parse_forward(&fwd, s, 0, remote) &&
+			    !parse_forward(&fwd, s, 1, remote)) {
+				logit("Bad remote forwarding specification.");
+				goto out;
+			}
+		} else if (!parse_forward(&fwd, s, dynamic, remote)) {
+			logit("Bad local forwarding specification.");
 			goto out;
 		}
 		if (local || dynamic) {

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