Module: sip-router Branch: master Commit: 66b6f7e4520ade2a9cce91d8b229f08c94b83a1a URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=66b6f7e… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: Thu Dec 11 10:47:09 2014 +0100 siputils: is_tel_number() constraints on lenght and first digit after + - minimum one char and if first is +, then it must have another one, which should not be 0 --- modules/siputils/checks.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/modules/siputils/checks.c b/modules/siputils/checks.c index 6e04fcd..9c2420c 100644 --- a/modules/siputils/checks.c +++ b/modules/siputils/checks.c @@ -741,11 +741,17 @@ int is_tel_number(sip_msg_t *msg, char *_sp, char* _s2) LM_ERR("cannot get parameter value\n"); return -1; } - if(tval.len<=0) + if(tval.len<1) return -2; i = 0; - if(tval.s[i]=='+') i++; + if(tval.s[0]=='+') { + if(tval.len<2) + return -2; + if(tval.s[1]<'1' || tval.s[1]>'9') + return -2; + i = 2; + } for(; i<tval.len; i++) { if(tval.s[i]<'0' || tval.s[i]>'9')