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authorDenys Vlasenko2017-08-04 23:04:17 +0200
committerDenys Vlasenko2017-08-04 23:04:17 +0200
commitb182e9ad6011909fdb76358431d23d195febaf54 (patch)
tree650b66e06387f8b0f7fe054a53150809aede7701 /loginutils
parent692eeb81a4c54d7d8bf0d2e370c12762b2a16ff7 (diff)
downloadbusybox-b182e9ad6011909fdb76358431d23d195febaf54.zip
busybox-b182e9ad6011909fdb76358431d23d195febaf54.tar.gz
libbb: use _exit, not exit, in bb_daemonize_or_rexec()
By the time we reach exit in parent, child already exited or execed. We should not re-run libc cleanup code. While at it, introduce bb_daemon_helper() and add a few comments. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'loginutils')
-rw-r--r--loginutils/login.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/loginutils/login.c b/loginutils/login.c
index 381468d..fcdb959 100644
--- a/loginutils/login.c
+++ b/loginutils/login.c
@@ -350,8 +350,8 @@ int login_main(int argc UNUSED_PARAM, char **argv)
/* Mandatory paranoia for suid applet:
* ensure that fd# 0,1,2 are opened (at least to /dev/null)
* and any extra open fd's are closed.
- * (The name of the function is misleading. Not daemonizing here.) */
- bb_daemonize_or_rexec(DAEMON_ONLY_SANITIZE | DAEMON_CLOSE_EXTRA_FDS, NULL);
+ */
+ bb_daemon_helper(DAEMON_CLOSE_EXTRA_FDS);
username[0] = '\0';
opt = getopt32(argv, "f:h:p", &opt_user, &opt_host);