From 36ad657d10b31299030f1bb20699d7341f16e783 Mon Sep 17 00:00:00 2001 From: Andrew Turner Date: Fri, 27 Mar 2020 17:26:30 +0000 Subject: [PATCH] Use memmove to copy within a buffer --- usr.sbin/jail/config.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/usr.sbin/jail/config.c b/usr.sbin/jail/config.c index 6f63b9117b1..e66d955ca21 100644 --- a/usr.sbin/jail/config.c +++ b/usr.sbin/jail/config.c @@ -596,8 +596,8 @@ check_intparams(struct cfjail *j) if (cs || defif) add_param(j, NULL, IP__IP4_IFADDR, s->s); if (cs) { - strcpy(s->s, cs + 1); s->len -= cs + 1 - s->s; + memmove(s->s, cs + 1, s->len + 1); } if ((cs = strchr(s->s, '/')) != NULL) { *cs = '\0'; @@ -617,8 +617,8 @@ check_intparams(struct cfjail *j) if (cs || defif) add_param(j, NULL, IP__IP6_IFADDR, s->s); if (cs) { - strcpy(s->s, cs + 1); s->len -= cs + 1 - s->s; + memmove(s->s, cs + 1, s->len + 1); } if ((cs = strchr(s->s, '/')) != NULL) { *cs = '\0'; -- 2.23.0