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Redirect std{in,out,err} to /dev/null even when given the -n option.

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This commit is contained in:
Todd C. Miller 2019-10-24 20:04:33 -06:00
parent 955fa11b53
commit 74a0e686ac
1 changed files with 15 additions and 16 deletions
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31
logsrvd/logsrvd.c
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@ -960,26 +960,26 @@ logsrvd_cleanup(void)
* Fork and detatch from the terminal.
*/
static void
daemonize(void)
daemonize(bool nofork)
{
int fd;
debug_decl(daemonize, SUDO_DEBUG_UTIL)
switch (fork()) {
case -1:
sudo_fatal("fork");
case 0:
/* child */
break;
default:
/* parent */
_exit(0);
if (!nofork) {
switch (fork()) {
case -1:
sudo_fatal("fork");
case 0:
/* child, detach from terminal */
if (setsid() == -1)
sudo_fatal("setsid");
break;
default:
/* parent, exit */
_exit(0);
}
}
/* detach from terminal */
if (setsid() == -1)
sudo_fatal("setsid");
if (chdir("/") == -1)
sudo_warn("chdir(\"/\")");
if ((fd = open(_PATH_DEVNULL, O_RDWR)) != -1) {
@ -1095,8 +1095,7 @@ main(int argc, char *argv[])
logsrvd_conf_read(conf_file);
signal(SIGPIPE, SIG_IGN);
if (!nofork)
daemonize();
daemonize(nofork);
if ((evbase = sudo_ev_base_alloc()) == NULL)
sudo_fatal(NULL);