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124 lines
3.7 KiB
124 lines
3.7 KiB
/*
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* $Id$
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*
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* Copyright (C) 2001-2003 FhG Fokus
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*
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* This file is part of Kamailio, a free SIP server.
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*
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* Kamailio is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version
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*
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* Kamailio is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "../../action.h"
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#include "../../dset.h"
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#include "../../modules/tm/tm_load.h"
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#include "loc_set.h"
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#include "cpl_sig.h"
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#include "cpl_env.h"
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/* forwards the msg to the given location set; if flags has set the
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* CPL_PROXY_DONE, all locations will be added as branches, otherwise, the
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* first one will set as RURI (this is ha case when this is the first proxy
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* of the message)
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* The given list of location will be freed, returning 0 instead.
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* Returns: 0 - OK
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* -1 - error */
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int cpl_proxy_to_loc_set( struct sip_msg *msg, struct location **locs,
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unsigned char flag)
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{
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struct location *foo;
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struct action act;
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struct run_act_ctx ra_ctx;
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int bflags;
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if (!*locs) {
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LM_ERR("empty loc set!!\n");
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goto error;
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}
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/* if it's the first time when this sip_msg is proxied, use the first addr
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* in loc_set to rewrite the RURI */
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if (!(flag&CPL_PROXY_DONE)) {
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LM_DBG("rewriting Request-URI with <%s>\n",(*locs)->addr.uri.s);
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/* build a new action for setting the URI */
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memset(&act, '\0', sizeof(act));
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act.type = SET_URI_T;
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act.val[0].type = STRING_ST;
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act.val[0].u.string = (*locs)->addr.uri.s;
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init_run_actions_ctx(&ra_ctx);
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/* push the action */
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if (do_action(&ra_ctx, &act, msg) < 0) {
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LM_ERR("do_action failed\n");
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goto error;
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}
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/* build a new action for setting the DSTURI */
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if((*locs)->addr.received.s && (*locs)->addr.received.len) {
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LM_DBG("rewriting Destination URI "
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"with <%s>\n",(*locs)->addr.received.s);
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if (set_dst_uri(msg, &(*locs)->addr.received) < 0) {
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LM_ERR("Error while setting the dst uri\n");
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goto error;
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}
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/* dst_uri changes, so it makes sense to re-use the current uri for
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forking */
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ruri_mark_new(); /* re-use uri for serial forking */
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}
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/* is the location NATED? */
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if ((*locs)->flags&CPL_LOC_NATED)
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setbflag( 0, cpl_fct.ulb.nat_flag );
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/* free the location and point to the next one */
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foo = (*locs)->next;
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free_location( *locs );
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*locs = foo;
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}
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/* add the rest of the locations as branches */
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while(*locs) {
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bflags = ((*locs)->flags&CPL_LOC_NATED) ? cpl_fct.ulb.nat_flag : 0 ;
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LM_DBG("appending branch <%.*s>, flags %d\n",
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(*locs)->addr.uri.len, (*locs)->addr.uri.s, bflags);
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if(append_branch(msg, &(*locs)->addr.uri,
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&(*locs)->addr.received, 0,
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Q_UNSPECIFIED, bflags, 0, 0, 0, 0, 0)==-1){
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LM_ERR("failed when appending branch <%s>\n",
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(*locs)->addr.uri.s);
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goto error;
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}
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/* free the location and point to the next one */
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foo = (*locs)->next;
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free_location( *locs );
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*locs = foo;
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}
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/* run what proxy route is set */
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if (cpl_env.proxy_route) {
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/* do not alter route type - it might be REQUEST or FAILURE */
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run_top_route( main_rt.rlist[cpl_env.proxy_route], msg, 0);
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}
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/* do t_forward */
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if (cpl_fct.tmb.t_relay(msg, 0, 0)==-1) {
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LM_ERR("t_relay failed !\n");
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goto error;
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}
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return 0;
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error:
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return -1;
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}
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