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authorflorian <florian@openbsd.org>2018-08-19 12:31:41 +0000
committerflorian <florian@openbsd.org>2018-08-19 12:31:41 +0000
commit83926339880de9648b94ba4943d1dbf509b83d99 (patch)
treed9f7d0cedf93ff31b8805f09c03c26eb77713d4c
parentCall daemon with 0 as first argument so that it changes the cwd to / (diff)
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Call daemon with 0 as first argument so that it changes the cwd to /.
It is not a problem in slowcgi since it calls chroot(2) and then chdir(2) shortly afterwards but hopefully prevents copying code into daemons where it does matter. Problem first observed by dlg in ntpd(8) which keeps sitting in the directory from where it was started which might for example prevent an unmount. Discussed with deraadt@
-rw-r--r--usr.sbin/slowcgi/slowcgi.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/usr.sbin/slowcgi/slowcgi.c b/usr.sbin/slowcgi/slowcgi.c
index 8d8c970d861..696af7228f2 100644
--- a/usr.sbin/slowcgi/slowcgi.c
+++ b/usr.sbin/slowcgi/slowcgi.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: slowcgi.c,v 1.53 2018/08/13 16:54:50 florian Exp $ */
+/* $OpenBSD: slowcgi.c,v 1.54 2018/08/19 12:31:41 florian Exp $ */
/*
* Copyright (c) 2013 David Gwynne <dlg@openbsd.org>
* Copyright (c) 2013 Florian Obser <florian@openbsd.org>
@@ -323,7 +323,7 @@ main(int argc, char *argv[])
if (geteuid() != 0)
errx(1, "need root privileges");
- if (!debug && daemon(1, 0) == -1)
+ if (!debug && daemon(0, 0) == -1)
err(1, "daemon");
if (!debug) {