Signed-off-by: Matthias Lederhofer <matled@xxxxxxx>
---
fixed sanitize_stdfds
---
daemon.c | 14 ++++++++++++++
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
}
}
+/* 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);
}
--
1.4.1.g8b4b
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