[sr-dev] git:5.0:11300211: core: make dns name to IP conversion more robust for IPv4 and IPv6

Module: kamailio Branch: 5.0 Commit: 11300211d6562aafc654a778f25657f001a39790 URL: https://github.com/kamailio/kamailio/commit/11300211d6562aafc654a778f25657f… Author: Henning Westerholt &lt;hw(a)kamailio.org&gt; Committer: Henning Westerholt &lt;hw(a)kamailio.org&gt; Date: 2018-06-08T21:20:32+02:00 core: make dns name to IP conversion more robust for IPv4 and IPv6 (cherry picked from commit 4a55a2b40b91f282d7fd8f0e3c3ae22bcf56d9dc) --- Modified: src/core/resolve.h --- Diff: https://github.com/kamailio/kamailio/commit/11300211d6562aafc654a778f25657f… Patch: https://github.com/kamailio/kamailio/commit/11300211d6562aafc654a778f25657f… --- diff --git a/src/core/resolve.h b/src/core/resolve.h index fad783e4e6..30cce19581 100644 --- a/src/core/resolve.h +++ b/src/core/resolve.h @@ -229,6 +229,10 @@ static inline struct ip_addr* str2ip(str* st) static struct ip_addr ip; unsigned char* s; + /* just in case that e.g. the VIA parser get confused */ + if(unlikely(!st->s || st->len <= 0)) { + LM_ERR("invalid name, no conversion to IP address possible\n"); + } s=(unsigned char*)st->s; /*init*/ @@ -281,6 +285,10 @@ static inline struct ip_addr* str2ip6(str* st) unsigned char* limit; unsigned char* s; + /* just in case that e.g. the VIA parser get confused */ + if(unlikely(!st->s || st->len <= 0)) { + LM_ERR("invalid name, no conversion to IP address possible\n"); + } /* init */ if ((st->len) && (st->s[0]=='[')){ /* skip over [ ] */