- rediff patches

[packages/openssh.git] / openssh-sigpipe.patch

diff -urNp -x '*.orig' openssh-8.4p1.org/clientloop.c openssh-8.4p1/clientloop.c
--- openssh-8.4p1.org/clientloop.c	2020-09-27 09:25:01.000000000 +0200
+++ openssh-8.4p1/clientloop.c	2021-03-01 11:29:10.909905265 +0100
@@ -127,6 +127,9 @@ extern int fork_after_authentication_fla
 /* Control socket */
 extern int muxserver_sock; /* XXX use mux_client_cleanup() instead */
 
+/* if we process SIGPIPE */
+extern int enable_sigpipe;
+
 /*
  * Name of the host we are connecting to.  This is the name given on the
  * command line, or the Hostname specified for the user-supplied name in a
@@ -1301,6 +1304,8 @@ client_loop(struct ssh *ssh, int have_pt
 		ssh_signal(SIGQUIT, signal_handler);
 	if (ssh_signal(SIGTERM, SIG_IGN) != SIG_IGN)
 		ssh_signal(SIGTERM, signal_handler);
+	if (enable_sigpipe)
+		signal(SIGPIPE, signal_handler);
 	ssh_signal(SIGWINCH, window_change_handler);
 
 	if (have_pty)
diff -urNp -x '*.orig' openssh-8.4p1.org/ssh.0 openssh-8.4p1/ssh.0
--- openssh-8.4p1.org/ssh.0	2020-09-27 09:42:10.000000000 +0200
+++ openssh-8.4p1/ssh.0	2021-03-01 11:29:10.909905265 +0100
@@ -446,6 +446,8 @@ DESCRIPTION
      -y      Send log information using the syslog(3) system module.  By
              default this information is sent to stderr.
 
+     -Z      Enable SIGPIPE processing.
+
      ssh may additionally obtain configuration data from a per-user
      configuration file and a system-wide configuration file.  The file format
      and configuration options are described in ssh_config(5).
diff -urNp -x '*.orig' openssh-8.4p1.org/ssh.1 openssh-8.4p1/ssh.1
--- openssh-8.4p1.org/ssh.1	2020-09-27 09:25:01.000000000 +0200
+++ openssh-8.4p1/ssh.1	2021-03-01 11:29:10.909905265 +0100
@@ -42,7 +42,7 @@
 .Nd OpenSSH remote login client
 .Sh SYNOPSIS
 .Nm ssh
-.Op Fl 46AaCfGgKkMNnqsTtVvXxYy
+.Op Fl 46AaCfGgKkMNnqsTtVvXxYyZ
 .Op Fl B Ar bind_interface
 .Op Fl b Ar bind_address
 .Op Fl c Ar cipher_spec
@@ -142,6 +142,11 @@ on the local machine as the source addre
 of the connection.
 Only useful on systems with more than one address.
 .Pp
+.It Fl Z
+Enables processing of SIGPIPE. Useful when using ssh output as input for
+another process, for example in a shell script. Be careful - it may break
+port/X11 forwarding when used.
+.Pp
 .It Fl C
 Requests compression of all data (including stdin, stdout, stderr, and
 data for forwarded X11, TCP and
diff -urNp -x '*.orig' openssh-8.4p1.org/ssh.c openssh-8.4p1/ssh.c
--- openssh-8.4p1.org/ssh.c	2020-09-27 09:25:01.000000000 +0200
+++ openssh-8.4p1/ssh.c	2021-03-01 11:29:10.909905265 +0100
@@ -190,6 +190,9 @@ struct sshbuf *command;
 /* Should we execute a command or invoke a subsystem? */
 int subsystem_flag = 0;
 
+/* Enable sigpipe */
+int enable_sigpipe = 0;
+
 /* # of replies received for global requests */
 static int forward_confirms_pending = -1;
 
@@ -203,7 +206,7 @@ static void
 usage(void)
 {
 	fprintf(stderr,
-"usage: ssh [-46AaCfGgKkMNnqsTtVvXxYy] [-B bind_interface]\n"
+"usage: ssh [-46AaCfGgKkMNnqsTtVvXxYyZ] [-B bind_interface]\n"
 "           [-b bind_address] [-c cipher_spec] [-D [bind_address:]port]\n"
 "           [-E log_file] [-e escape_char] [-F configfile] [-I pkcs11]\n"
 "           [-i identity_file] [-J [user@]host[:port]] [-L address]\n"
@@ -722,7 +725,7 @@ main(int ac, char **av)
 
  again:
 	while ((opt = getopt(ac, av, "1246ab:c:e:fgi:kl:m:no:p:qstvx"
-	    "AB:CD:E:F:GI:J:KL:MNO:PQ:R:S:TVw:W:XYy")) != -1) {
+	    "AB:CD:E:F:GI:J:KL:MNO:PQ:R:S:TVw:W:XYyZ")) != -1) {
 		switch (opt) {
 		case '1':
 			fatal("SSH protocol v.1 is no longer supported");
@@ -1066,6 +1069,9 @@ main(int ac, char **av)
 		case 'F':
 			config = optarg;
 			break;
+		case 'Z':
+			enable_sigpipe = 1;
+			break;
 		default:
 			usage();
 		}