summaryrefslogtreecommitdiff
path: root/daemon.c
diff options
context:
space:
mode:
authorMatthias Lederhofer <matled@gmx.net>2006-07-13 16:32:11 (GMT)
committerJunio C Hamano <junkio@cox.net>2006-07-14 04:50:20 (GMT)
commit258e93a155f88fd7385e4d1e26f287044ba973e9 (patch)
treedd2556a3b1b3d97fb3c9b9ee36324076f1df489e /daemon.c
parentad8b4f56b5ec1e5385156c20d95649ea8cee6af4 (diff)
downloadgit-258e93a155f88fd7385e4d1e26f287044ba973e9.zip
git-258e93a155f88fd7385e4d1e26f287044ba973e9.tar.gz
git-258e93a155f88fd7385e4d1e26f287044ba973e9.tar.bz2
daemon: if one of the standard fds is missing open it to /dev/null
Signed-off-by: Matthias Lederhofer <matled@gmx.net> Signed-off-by: Junio C Hamano <junkio@cox.net>
Diffstat (limited to 'daemon.c')
-rw-r--r--daemon.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/daemon.c b/daemon.c
index a7636bc..01ccda3 100644
--- a/daemon.c
+++ b/daemon.c
@@ -662,6 +662,18 @@ static int service_loop(int socknum, int *socklist)
}
}
+/* if any standard file descriptor is missing open it to /dev/null */
+static void sanitize_stdfds(void)
+{
+ int fd = open("/dev/null", O_RDWR, 0);
+ while (fd != -1 && fd < 2)
+ fd = dup(fd);
+ if (fd == -1)
+ die("open /dev/null or dup failed: %s", strerror(errno));
+ if (fd > 2)
+ close(fd);
+}
+
static int serve(int port)
{
int socknum, *socklist;
@@ -773,5 +785,7 @@ int main(int argc, char **argv)
return execute(peer);
}
+ sanitize_stdfds();
+
return serve(port);
}