Function t_reply_matching

modules/tm/t_lookup.c:699–858

Returns 0 - nothing found * 1 - T found */

 *         1  - T found
 */
int t_reply_matching( struct sip_msg *p_msg , int *p_branch )
{
	struct cell*  p_cell;
	unsigned int hash_index   = 0;
	unsigned int entry_label  = 0;
	unsigned int branch_id    = 0;
	char  *hashi, *branchi, *p, *n;
	int hashl, branchl;
	int scan_space;
	struct cseq_body *cseq;

	char *loopi;
	int loopl;
	char *syni;
	int synl;

	/* make compiler warnings happy */
	loopi=0;
	loopl=0;
	syni=0;
	synl=0;

	/* split the branch into pieces: loop_detection_check(ignored),
	 hash_table_id, synonym_id, branch_id */

	if (!(p_msg->via1 && p_msg->via1->branch && p_msg->via1->branch->value.s))
		goto nomatch2;

	/* we do RFC 3261 tid matching and want to see first if there is
	 * magic cookie in branch */
	if (p_msg->via1->branch->value.len<=MCOOKIE_LEN)
		goto nomatch2;
	if (memcmp(p_msg->via1->branch->value.s, MCOOKIE, MCOOKIE_LEN)!=0)
		goto nomatch2;

	p=p_msg->via1->branch->value.s+MCOOKIE_LEN;
	scan_space=p_msg->via1->branch->value.len-MCOOKIE_LEN;


	/* hash_id */
	n=eat_token2_end( p, p+scan_space, BRANCH_SEPARATOR);
	hashl=n-p;
	scan_space-=hashl;
	if (!hashl || scan_space<2 || *n!=BRANCH_SEPARATOR) goto nomatch2;
	hashi=p;
	p=n+1;scan_space--;

	if (!syn_branch) {
		/* md5 value */
		n=eat_token2_end( p, p+scan_space, BRANCH_SEPARATOR );
		loopl = n-p;
		scan_space-= loopl;
		if (n==p || scan_space<2 || *n!=BRANCH_SEPARATOR)
			goto nomatch2;
		loopi=p;
		p=n+1; scan_space--;
	} else {
		/* synonym id */