[openssh-commits] [openssh] 16/25: upstream commit

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djm pushed a commit to branch master
in repository openssh.

commit 2ea974630d7017e4c7666d14d9dc939707613e96
Author: djm at openbsd.org <djm at openbsd.org>
Date:   Fri Apr 24 05:26:44 2015 +0000

    upstream commit
    
    add ssh-agent -D to leave ssh-agent in foreground
     without enabling debug mode; bz#2381 ok dtucker@
---
 ssh-agent.1 | 12 +++++++++---
 ssh-agent.c | 23 +++++++++++++++--------
 2 files changed, 24 insertions(+), 11 deletions(-)

diff --git a/ssh-agent.1 b/ssh-agent.1
index 6759afe..adfb51c 100644
--- a/ssh-agent.1
+++ b/ssh-agent.1
@@ -1,4 +1,4 @@
-.\" $OpenBSD: ssh-agent.1,v 1.57 2014/12/21 22:27:56 djm Exp $
+.\" $OpenBSD: ssh-agent.1,v 1.58 2015/04/24 05:26:44 djm Exp $
 .\"
 .\" Author: Tatu Ylonen <ylo at cs.hut.fi>
 .\" Copyright (c) 1995 Tatu Ylonen <ylo at cs.hut.fi>, Espoo, Finland
@@ -34,7 +34,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.Dd $Mdocdate: December 21 2014 $
+.Dd $Mdocdate: April 24 2015 $
 .Dt SSH-AGENT 1
 .Os
 .Sh NAME
@@ -43,6 +43,7 @@
 .Sh SYNOPSIS
 .Nm ssh-agent
 .Op Fl c | s
+.Op Fl D
 .Op Fl d
 .Op Fl a Ar bind_address
 .Op Fl E Ar fingerprint_hash
@@ -92,11 +93,16 @@ Generate C-shell commands on
 This is the default if
 .Ev SHELL
 looks like it's a csh style of shell.
+.It Fl D
+Foreground mode.
+When this option is specified
+.Nm
+will not fork.
 .It Fl d
 Debug mode.
 When this option is specified
 .Nm
-will not fork.
+will not fork and will write debug information to standard error.
 .It Fl E Ar fingerprint_hash
 Specifies the hash algorithm used when displaying key fingerprints.
 Valid options are:
diff --git a/ssh-agent.c b/ssh-agent.c
index 2eb3322..5356e11 100644
--- a/ssh-agent.c
+++ b/ssh-agent.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-agent.c,v 1.200 2015/04/24 01:36:01 deraadt Exp $ */
+/* $OpenBSD: ssh-agent.c,v 1.201 2015/04/24 05:26:44 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo at cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo at cs.hut.fi>, Espoo, Finland
@@ -1146,7 +1146,7 @@ usage(void)
 int
 main(int ac, char **av)
 {
-	int c_flag = 0, d_flag = 0, k_flag = 0, s_flag = 0;
+	int c_flag = 0, d_flag = 0, D_flag = 0, k_flag = 0, s_flag = 0;
 	int sock, fd, ch, result, saved_errno;
 	u_int nalloc;
 	char *shell, *format, *pidstr, *agentsocket = NULL;
@@ -1181,7 +1181,7 @@ main(int ac, char **av)
 	__progname = ssh_get_progname(av[0]);
 	seed_rng();
 
-	while ((ch = getopt(ac, av, "cdksE:a:t:")) != -1) {
+	while ((ch = getopt(ac, av, "cDdksE:a:t:")) != -1) {
 		switch (ch) {
 		case 'E':
 			fingerprint_hash = ssh_digest_alg_by_name(optarg);
@@ -1202,10 +1202,15 @@ main(int ac, char **av)
 			s_flag++;
 			break;
 		case 'd':
-			if (d_flag)
+			if (d_flag || D_flag)
 				usage();
 			d_flag++;
 			break;
+		case 'D':
+			if (d_flag || D_flag)
+				usage();
+			D_flag++;
+			break;
 		case 'a':
 			agentsocket = optarg;
 			break;
@@ -1222,7 +1227,7 @@ main(int ac, char **av)
 	ac -= optind;
 	av += optind;
 
-	if (ac > 0 && (c_flag || k_flag || s_flag || d_flag))
+	if (ac > 0 && (c_flag || k_flag || s_flag || d_flag || D_flag))
 		usage();
 
 	if (ac == 0 && !c_flag && !s_flag) {
@@ -1291,8 +1296,10 @@ main(int ac, char **av)
 	 * Fork, and have the parent execute the command, if any, or present
 	 * the socket data.  The child continues as the authentication agent.
 	 */
-	if (d_flag) {
-		log_init(__progname, SYSLOG_LEVEL_DEBUG1, SYSLOG_FACILITY_AUTH, 1);
+	if (D_flag || d_flag) {
+		log_init(__progname,
+		    d_flag ? SYSLOG_LEVEL_DEBUG3 : SYSLOG_LEVEL_INFO,
+		    SYSLOG_FACILITY_AUTH, 1);
 		format = c_flag ? "setenv %s %s;\n" : "%s=%s; export %s;\n";
 		printf(format, SSH_AUTHSOCKET_ENV_NAME, socket_name,
 		    SSH_AUTHSOCKET_ENV_NAME);
@@ -1364,7 +1371,7 @@ skip:
 		parent_alive_interval = 10;
 	idtab_init();
 	signal(SIGPIPE, SIG_IGN);
-	signal(SIGINT, d_flag ? cleanup_handler : SIG_IGN);
+	signal(SIGINT, (d_flag | D_flag) ? cleanup_handler : SIG_IGN);
 	signal(SIGHUP, cleanup_handler);
 	signal(SIGTERM, cleanup_handler);
 	nalloc = 0;

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