/*!
* \brief Do loose routing as per RFC3261
* \param _m SIP message
* \return -1 on failure, 1 on success
*/
int loose_route(struct sip_msg* _m)
{
int ret;
if (find_first_route(_m) != 0) {
LM_DBG("There is no Route HF\n");
return -1;
}
if (parse_sip_msg_uri(_m)<0) {
LM_ERR("failed to parse Request URI\n");
return -1;
}
ret = is_preloaded(_m);
if (ret < 0) {
return -1;
} else if (ret == 1) {
return after_loose(_m, 1);
} else {
if (is_myself(&_m->parsed_uri)) {
return after_strict(_m);
} else {
return after_loose(_m, 0);
}
}
}
/*
* Do loose routing as defined in RFC3621
*/
int loose_route(struct sip_msg* _m, char* _s1, char* _s2)
{
struct hdr_field* hdr;
struct sip_uri puri;
rr_t* rt;
int ret;
str* uri;
if (find_first_route(_m) != 0) {
DBG("loose_route: There is no Route HF\n");
return -1;
}
if (parse_sip_msg_uri(_m) == -1) {
LOG(L_ERR, "loose_route: Error while parsing Request URI\n");
return -1;
}
hdr = _m->route;
rt = (rr_t*)hdr->parsed;
uri = &rt->nameaddr.uri;
if (parse_uri(uri->s, uri->len, &puri) < 0) {
LOG(L_ERR, "loose_route: Error while parsing the first route URI\n");
return -1;
}
if (is_myself(&_m->parsed_uri.host, _m->parsed_uri.port_no)||
_m->parsed_uri.type == TEL_URI_T ||
_m->parsed_uri.type == TELS_URI_T) {
DBG("loose_route: RURI is myself (or tel URI)\n");
if ((ret = is_myself(&puri.host, puri.port_no)) == 1 &&
!(enable_double_rr && is_2rr(&puri.params))) {
DBG("loose_route: found preloaded loose route\n");
return after_loose(_m, &puri, ret, 1);
} else {
if (has_to_tag(_m) == 1) {
return after_strict(_m, &puri, ret);
} else {
LOG(L_WARN, "loose_route: pre-loaded strict routing?!\n");
return -1;
}
}
} else {
DBG("loose_route: RURI is NOT myself\n");
if (is_myself(&puri.host, puri.port_no)) {
return after_loose(_m, &puri, 1, 0);
} else {
store_next_route_in_avps(uri);
//LOG(L_WARN, "loose_route: no routing target is local\n");
//return -1;
return after_loose(_m, &puri, 0, 0);
}
}
}
/*
* Do loose routing as defined in RFC3261
*/
int loose_route(struct sip_msg* _m)
{
int ret;
ctx_routing_set(0);
if (find_first_route(_m) != 0) {
LM_DBG("There is no Route HF\n");
return -1;
}
if (parse_sip_msg_uri(_m)<0) {
LM_ERR("failed to parse Request URI\n");
return -1;
}
ret = is_preloaded(_m);
if (ret < 0) {
return -1;
} else if (ret == 1) {
return after_loose(_m, 1);
} else {
#ifdef ENABLE_USER_CHECK
if (is_myself(&_m->parsed_uri.user, &_m->parsed_uri.host,
_m->parsed_uri.port_no) && !(_m->parsed_uri.gr.s && _m->parsed_uri.gr.len)) {
#else
if (is_myself(&_m->parsed_uri.host, _m->parsed_uri.port_no) && !(_m->parsed_uri.gr.s && _m->parsed_uri.gr.len)) {
#endif
return after_strict(_m);
} else {
return after_loose(_m, 0);
}
}
}
int get_route_params(struct sip_msg *msg, str *val)
{
if(msg==NULL)
return -1;
/* check if params are present */
if ( (val=ctx_rrparam_get())==NULL )
return -1;
return 0;
}
int check_route_param(struct sip_msg * msg, regex_t* re)
{
regmatch_t pmatch;
char bk;
str params;
str *rparams;
/* check if params are present */
if ( (rparams=ctx_rrparam_get())==NULL || rparams->len==0)
return -1;
/* include also the first ';' */
for( params=*rparams ; params.s[0]!=';' ; params.s--,params.len++ );
/* do the well-known trick to convert to null terminted */
bk = params.s[params.len];
params.s[params.len] = 0;
LM_DBG("params are <%s>\n", params.s);
if (regexec( re, params.s, 1, &pmatch, 0)!=0) {
params.s[params.len] = bk;
return -1;
} else {
params.s[params.len] = bk;
return 0;
}
}
/*
* Do loose routing as defined in RFC3261
*/
int loose_route(struct sip_msg* _m, char* _s1, char* _s2)
{
int ret;
removed_routes = 0;
routing_type = 0;
if (find_first_route(_m) != 0) {
LM_DBG("There is no Route HF\n");
return -1;
}
if (parse_sip_msg_uri(_m)<0) {
LM_ERR("failed to parse Request URI\n");
return -1;
}
ret = is_preloaded(_m);
if (ret < 0) {
return -1;
} else if (ret == 1) {
return after_loose(_m, 1);
} else {
#ifdef ENABLE_USER_CHECK
if (is_myself(&_m->parsed_uri.user, &_m->parsed_uri.host,
_m->parsed_uri.port_no)) {
#else
if (is_myself(&_m->parsed_uri.host, _m->parsed_uri.port_no)) {
#endif
return after_strict(_m);
} else {
return after_loose(_m, 0);
}
}
}
int get_route_params(struct sip_msg *msg, str *val)
{
if(msg==NULL)
return -1;
/* check if the hooked params belong to the same message */
if (routed_msg_id != msg->id)
return -1;
val->s = routed_params.s;
val->len = routed_params.len;
return 0;
}
int check_route_param(struct sip_msg * msg, regex_t* re)
{
regmatch_t pmatch;
char bk;
str params;
/* check if the hooked params belong to the same message */
if (routed_msg_id != msg->id)
return -1;
/* check if params are present */
if ( !routed_params.s || !routed_params.len )
return -1;
/* include also the first ';' */
for( params=routed_params ; params.s[0]!=';' ; params.s--,params.len++ );
/* do the well-known trick to convert to null terminted */
bk = params.s[params.len];
params.s[params.len] = 0;
LM_DBG("params are <%s>\n", params.s);
if (regexec( re, params.s, 1, &pmatch, 0)!=0) {
params.s[params.len] = bk;
return -1;
} else {
params.s[params.len] = bk;
return 0;
}
}
