From ea35594b2a54c1652bb8ffb04183180ad7325779 Mon Sep 17 00:00:00 2001 From: Natanael Copa Date: Wed, 13 Aug 2014 08:41:38 +0200 Subject: [PATCH] fix handling of zero length domain names in dn_expand Copy a zero length string instead of returning error when trying to expand a zero lentgh domain name (null terminator). This fixes a regression introduced with 56b57f37a46dab432. --- src/network/dn_expand.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/network/dn_expand.c b/src/network/dn_expand.c index 849df19..3264faf 100644 --- a/src/network/dn_expand.c +++ b/src/network/dn_expand.c @@ -6,7 +6,7 @@ int __dn_expand(const unsigned char *base, const unsigned char *end, const unsig const unsigned char *p = src; char *dend = dest + (space > 254 ? 254 : space); int len = -1, i, j; - if (p==end || !*p) return -1; + if (p==end) return -1; /* detect reference loop using an iteration counter */ for (i=0; i < end-base; i+=2) { if (*p & 0xc0) { -- 2.0.4