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authordjm@openbsd.org <djm@openbsd.org>2020-01-25 07:40:20 +0100
committerDamien Miller <djm@mindrot.org>2020-01-25 08:20:01 +0100
commit846446bf3e7421e6671a4afd074bdf15eecd7832 (patch)
tree47e9691dd0087629dd344e36463923927e79ec66 /channels.c
parentupstream: mention that permitopen=/PermitOpen do no name to address (diff)
downloadopenssh-846446bf3e7421e6671a4afd074bdf15eecd7832.tar.xz
openssh-846446bf3e7421e6671a4afd074bdf15eecd7832.zip
upstream: the GatewayPorts vs -R listen address selection logic is
still confusing people, so add another comment explaining the special handling of "localhost"; bz#3258 OpenBSD-Commit-ID: e6bf0f0fbf1c7092bf0dbd9c6eab105970b5b53a
Diffstat (limited to 'channels.c')
-rw-r--r--channels.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/channels.c b/channels.c
index 0f45aee4e..226ba7a39 100644
--- a/channels.c
+++ b/channels.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: channels.c,v 1.394 2019/07/07 01:05:00 dtucker Exp $ */
+/* $OpenBSD: channels.c,v 1.395 2020/01/25 06:40:20 djm Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -3356,7 +3356,12 @@ channel_fwd_bind_addr(struct ssh *ssh, const char *listen_addr, int *wildcardp,
} else if (strcmp(listen_addr, "localhost") != 0 ||
strcmp(listen_addr, "127.0.0.1") == 0 ||
strcmp(listen_addr, "::1") == 0) {
- /* Accept localhost address when GatewayPorts=yes */
+ /*
+ * Accept explicit localhost address when
+ * GatewayPorts=yes. The "localhost" hostname is
+ * deliberately skipped here so it will listen on all
+ * available local address families.
+ */
addr = listen_addr;
}
} else if (strcmp(listen_addr, "127.0.0.1") == 0 ||