[sr-dev] git:master:1edb4298: nathelper: set via branch according to "z9hG4bK..." format (instead of "branch=0")

Module: kamailio Branch: master Commit: 1edb4298ca5b890c40f9d7df5f29199a90b0c4fd URL: https://github.com/kamailio/kamailio/commit/1edb4298ca5b890c40f9d7df5f29199… Author: Dmitri Savolainen <savolainen(a)erinaco.ru> Committer: Dmitri Savolainen <savolainen(a)erinaco.ru> Date: 2016-06-27T12:50:19+03:00 nathelper: set via branch according to "z9hG4bK..." format (instead of "branch=0") --- Modified: modules/nathelper/sip_pinger.h --- Diff: https://github.com/kamailio/kamailio/commit/1edb4298ca5b890c40f9d7df5f29199… Patch: https://github.com/kamailio/kamailio/commit/1edb4298ca5b890c40f9d7df5f29199… --- diff --git a/modules/nathelper/sip_pinger.h b/modules/nathelper/sip_pinger.h index 7cd5e0c..5166a75 100644 --- a/modules/nathelper/sip_pinger.h +++ b/modules/nathelper/sip_pinger.h @@ -116,6 +116,9 @@ static inline char* build_sipping(str *curi, struct socket_info* s, str *path, str *ruid, unsigned int aorhash, int *len_p) { #define s_len(_s) (sizeof(_s)-1) +#define MAX_BRANCHID 9999999 +#define MIN_BRANCHID 1000000 +#define LEN_BRANCHID 7 /* NOTE: this must be sync with the MX and MIN values !! */ static char buf[MAX_SIPPING_SIZE]; char *p; int len; @@ -135,7 +138,7 @@ static inline char* build_sipping(str *curi, struct socket_info* s, str *path, if ( sipping_method.len + 1 + curi->len + s_len(" SIP/2.0"CRLF) + s_len("Via: SIP/2.0/UDP ") + vaddr.len + ((s->address.af==AF_INET6)?2:0) + - 1 + vport.len + s_len(";branch=0") + + 1 + vport.len + s_len(";branch=z9hG4bK") + LEN_BRANCHID + (path->len ? (s_len(CRLF"Route: ") + path->len) : 0) + s_len(CRLF"From: ") + sipping_from.len + s_len(";tag=") + ruid->len + 1 + 8 + 1 + 8 + @@ -164,13 +167,16 @@ static inline char* build_sipping(str *curi, struct socket_info* s, str *path, } *(p++) = ':'; append_str( p, vport.s, vport.len); + append_fix( p, ";branch=z9hG4bK"); + int2bstr( + (long)(rand()/(float)RAND_MAX * (MAX_BRANCHID-MIN_BRANCHID) + MIN_BRANCHID), + p+LEN_BRANCHID-INT2STR_MAX_LEN+1, NULL); + p += LEN_BRANCHID; if (path->len) { - append_fix( p, ";branch=0"CRLF"Route: "); + append_fix( p, CRLF"Route: "); append_str( p, path->s, path->len); - append_fix( p, CRLF"From: "); - } else { - append_fix( p, ";branch=0"CRLF"From: "); } + append_fix( p, CRLF"From: "); append_str( p, sipping_from.s, sipping_from.len); append_fix( p, ";tag="); append_str( p, ruid->s, ruid->len);