Module: kamailio Branch: 5.2 Commit: eed2a7f86129950e5f20a4b4010a7e67ea04eac5 URL: https://github.com/kamailio/kamailio/commit/eed2a7f86129950e5f20a4b4010a7e6… Author: Henning Westerholt <hw(a)kamailio.org> Committer: Henning Westerholt <hw(a)kamailio.org> Date: 2018-12-30T18:41:44+01:00 core: fix an error in check_via_address, reported from Mojtaba, mespio at gmail dot com - fix an error in check_via_address, reported from Mojtaba, mespio at gmail dot com - use the same logic for IPv4 string comparison as for IPv6 - the old comparison could return true for e.g. via="192.168.1.1", src="192.1.1.100" - the new logic is also faster for the trivial case with different string length (cherry picked from commit 98ee014a88ca951d82a0389f0be119078ba525f7) --- Modified: src/core/msg_translator.c --- Diff: https://github.com/kamailio/kamailio/commit/eed2a7f86129950e5f20a4b4010a7e6… Patch: https://github.com/kamailio/kamailio/commit/eed2a7f86129950e5f20a4b4010a7e6… --- diff --git a/src/core/msg_translator.c b/src/core/msg_translator.c index 08e518a9d8..038b02f461 100644 --- a/src/core/msg_translator.c +++ b/src/core/msg_translator.c @@ -179,7 +179,7 @@ static int check_via_address(struct ip_addr* ip, str *name, LM_CRIT("invalid Via host name\n"); return -1; } - if (strncmp(name->s, s, name->len)==0) + if (len==name->len&&(strncmp(name->s, s, name->len)==0)) return 0; } }else{