upstream: Replace all calls to signal(2) with a wrapper around

sigaction(2). This wrapper blocks all other signals during the handler
preventing races between handlers, and sets SA_RESTART which should reduce
the potential for short read/write operations.

OpenBSD-Commit-ID: 5e047663fd77a40d7b07bdabe68529df51fd2519

1 files changed, 3 insertions, 3 deletions

diff --git a/ssh.c b/ssh.c
index 947558d1c..c0511f2a0 100644
--- a/ssh.c
+++ b/ssh.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh.c,v 1.511 2020/01/05 16:28:22 beck Exp $ */
+/* $OpenBSD: ssh.c,v 1.512 2020/01/23 07:10:22 dtucker Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -1535,8 +1535,8 @@ main(int ac, char **av)
             options.num_system_hostfiles);
         tilde_expand_paths(options.user_hostfiles, options.num_user_hostfiles);
 
-        signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE early */
-        signal(SIGCHLD, main_sigchld_handler);
+        ssh_signal(SIGPIPE, SIG_IGN); /* ignore SIGPIPE early */
+        ssh_signal(SIGCHLD, main_sigchld_handler);
 
         /* Log into the remote system.  Never returns if the login fails. */
         ssh_login(ssh, &sensitive_data, host, (struct sockaddr *)&hostaddr,