Function i_enum_query

modules/enum/enum.c:746–898

/*********** INFRASTRUCTURE ENUM ***************/

int i_enum_query(struct sip_msg* _msg, str* suffix, str* service)
{
	char *user_s;
	int user_len, i, j;
	char name[MAX_DOMAIN_SIZE];
	char apex[MAX_COMPONENT_SIZE + 1];
	char separator[MAX_COMPONENT_SIZE + 1];
	int sdl = 0;    /* subdomain location: infrastructure enum offset */
	int cc_len;
	struct rdata* head;

	char string[17];

	if (parse_sip_msg_uri(_msg) < 0) {
		LM_ERR("Parsing of R-URI failed\n");
		return -1;
	}

	if (is_e164(&(_msg->parsed_uri.user)) == -1) {
		LM_ERR("R-URI user is not an E164 number\n");
		return -1;
	}

	user_s = _msg->parsed_uri.user.s;
	user_len = _msg->parsed_uri.user.len;

	/* make sure we don't run out of space in strings */
	if (( 2*user_len + MAX_COMPONENT_SIZE + MAX_COMPONENT_SIZE + 4) > MAX_DOMAIN_SIZE) {
		LM_ERR("Strings too long\n");
		return -1;
	}
	if ( i_branchlabel.len > MAX_COMPONENT_SIZE ) {
		LM_ERR("i_branchlabel too long\n");
		return -1;
	}
	if ( suffix->len > MAX_COMPONENT_SIZE ) {
		LM_ERR("Suffix too long\n");
		return -1;
	}


	memcpy(&(string[0]), user_s, user_len);
	string[user_len] = (char)0;

	/* Set up parameters as for user-enum */
	memcpy(apex,  suffix->s , suffix->len);
	apex[suffix->len] = (char)0;
	sdl = 0;		/* where to insert i-enum separator */
	separator[0] = 0;	/* don't insert anything */

	cc_len = cclen(string + 1);

	if (!strncasecmp(i_bl_alg.s,"ebl",i_bl_alg.len)) {
		sdl = cc_len; /* default */

		j = 0;
		memcpy(name, i_branchlabel.s, i_branchlabel.len);
		j += i_branchlabel.len;