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- djm@cvs.openbsd.org 2011/05/05 05:12:08

Browse Source 
[mux.c]
     gracefully fall back when ControlPath is too large for a
     sockaddr_un. ok markus@ as part of a larger diff
This commit is contained in:
Damien Miller 2011-05-15 08:34:46 +10:00
parent d6548fe4cf
commit 60432d8cf2
2 changed files with 17 additions and 6 deletions
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7
ChangeLog
View File

@ -1,3 +1,10 @@
20110515
- (djm) OpenBSD CVS Sync
- djm@cvs.openbsd.org 2011/05/05 05:12:08
[mux.c]
gracefully fall back when ControlPath is too large for a
sockaddr_un. ok markus@ as part of a larger diff
20110510
- (dtucker) [openbsd-compat/openssl-compat.{c,h}] Bug #1882: fix
--with-ssl-engine which was broken with the change from deprecated

16
mux.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: mux.c,v 1.25 2011/04/17 22:42:41 djm Exp $ */
/* $OpenBSD: mux.c,v 1.26 2011/05/05 05:12:08 djm Exp $ */
/*
* Copyright (c) 2002-2008 Damien Miller <djm@openbsd.org>
*
@ -1095,21 +1095,25 @@ muxserver_listen(void)
strlen(options.control_path) + 1;
if (strlcpy(addr.sun_path, options.control_path,
sizeof(addr.sun_path)) >= sizeof(addr.sun_path))
fatal("ControlPath too long");
sizeof(addr.sun_path)) >= sizeof(addr.sun_path)) {
error("ControlPath \"%s\" too long for Unix domain socket",
options.control_path);
goto disable_mux_master;
}
if ((muxserver_sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
fatal("%s socket(): %s", __func__, strerror(errno));
old_umask = umask(0177);
if (bind(muxserver_sock, (struct sockaddr *)&addr, sun_len) == -1) {
muxserver_sock = -1;
if (errno == EINVAL || errno == EADDRINUSE) {
error("ControlSocket %s already exists, "
"disabling multiplexing", options.control_path);
disable_mux_master:
close(muxserver_sock);
muxserver_sock = -1;
if (muxserver_sock != -1) {
close(muxserver_sock);
muxserver_sock = -1;
}
xfree(options.control_path);
options.control_path = NULL;
options.control_master = SSHCTL_MASTER_NO;