diff options
| author |   niklas <niklas@openbsd.org> | 1999-08-26 22:29:57 +0000 |
|---|---|---|
| committer | niklas <niklas@openbsd.org> | 1999-08-26 22:29:57 +0000 |
| commit | 31747f340e44dd70a4e45b97344598bb4f4bf69e (patch) | |
| tree | fb1c0220a01eb81919a18918fad521a9ab80a4af | |
| parent | Merge with EOM 1.8 (diff) | |
| download | wireguard-openbsd-31747f340e44dd70a4e45b97344598bb4f4bf69e.tar.xz wireguard-openbsd-31747f340e44dd70a4e45b97344598bb4f4bf69e.zip | |
Merge with EOM 1.36
author: ho
style
author: ho
Don't accidentally overwrite files with the FIFO.
| -rw-r--r-- | sbin/isakmpd/ui.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/sbin/isakmpd/ui.c b/sbin/isakmpd/ui.c index 08b9cbfb24d..4578493754e 100644 --- a/sbin/isakmpd/ui.c +++ b/sbin/isakmpd/ui.c @@ -1,5 +1,5 @@ -/* $OpenBSD: ui.c,v 1.10 1999/08/05 22:41:08 niklas Exp $ */ -/* $EOM: ui.c,v 1.34 1999/08/05 14:58:00 niklas Exp $ */ +/* $OpenBSD: ui.c,v 1.11 1999/08/26 22:29:57 niklas Exp $ */ +/* $EOM: ui.c,v 1.36 1999/08/20 12:54:51 ho Exp $ */ /* * Copyright (c) 1998, 1999 Niklas Hallqvist. All rights reserved. @@ -40,6 +40,7 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> +#include <errno.h> #include "sysdep.h" @@ -64,11 +65,21 @@ int ui_socket; void ui_init () { + struct stat st; + /* -f- means control messages comes in via stdin. */ if (strcmp (ui_fifo, "-") == 0) ui_socket = 0; else { + /* Don't overwrite a file, i.e '-f /etc/isakmpd/isakmpd.conf'. */ + if (lstat (ui_fifo, &st) == 0) + if ((st.st_mode & S_IFMT) == S_IFREG) + { + errno = EEXIST; + log_fatal ("could not create FIFO \"%s\"", ui_fifo); + } + /* No need to know about errors. */ unlink (ui_fifo); if (mkfifo (ui_fifo, 0600) == -1) |