libssh/backport-socket-Add-error-message-if-execv-fails.patch
2022-10-20 10:25:21 +08:00

40 lines
1.3 KiB
Diff

From 2546b6224223890af669c272c70ab45ec0298659 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Mon, 29 Aug 2022 13:32:09 +0200
Subject: [PATCH] socket: Add error message if execv fails
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Jakub Jelen <jjelen@redhat.com>
---
src/socket.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/socket.c b/src/socket.c
index bd2cd28c..525b304f 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -891,6 +891,7 @@ ssh_execute_command(const char *command, socket_t in, socket_t out)
ssh_execute_command(const char *command, socket_t in, socket_t out)
{
const char *args[] = {"/bin/sh", "-c", command, NULL};
+ int rc;
/* Prepare /dev/null socket for the stderr redirection */
int devnull = open("/dev/null", O_WRONLY);
if (devnull == -1) {
@@ -915,7 +916,11 @@ ssh_execute_command(const char *command, socket_t in, socket_t out)
dup2(devnull, STDERR_FILENO);
close(in);
close(out);
- execv(args[0], (char * const *)args);
+ rc = execv(args[0], (char * const *)args);
+ if (rc < 0) {
+ SSH_LOG(SSH_LOG_WARN, "Failed to execute command %s: %s",
+ command, strerror(errno));
+ }
exit(1);
}
--
2.33.0