From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Sat, 24 Nov 2018 23:42:56 +0000 (+0100)
Subject: ntpd: do not SEGV on "-p keyno:192.168.1.1", show --help instead
X-Git-Tag: 1_30_0~375
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=0d18e5cab2159b55cb56962711d428246c197929;p=oweals%2Fbusybox.git

ntpd: do not SEGV on "-p keyno:192.168.1.1", show --help instead

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---

diff --git a/networking/ntpd.c b/networking/ntpd.c
index 4f8607244..041cac762 100644
--- a/networking/ntpd.c
+++ b/networking/ntpd.c
@@ -2539,6 +2539,7 @@ static NOINLINE void ntp_init(char **argv)
 				int key_id;
 				peer += 6;
 				end = strchr(peer, ':');
+				if (!end) bb_show_usage();
 				*end = '\0';
 				key_id = xatou_range(peer, 1, MAX_KEY_NUMBER);
 				*end = ':';