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118 lines
2.8 KiB
118 lines
2.8 KiB
/*
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* Common stuff
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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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*/
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/*!
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* \file
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* \brief SIP registrar module
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* \ingroup registrar
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*/
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#include <string.h>
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#include "../../dprint.h"
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#include "rerrno.h"
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#include "reg_mod.h"
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#include "common.h"
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#include "config.h"
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#define MAX_AOR_LEN 256
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/*! \brief
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* Extract Address of Record
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*/
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int extract_aor(str* _uri, str* _a, sip_uri_t *_pu)
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{
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static char aor_buf[MAX_AOR_LEN];
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str tmp;
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sip_uri_t turi;
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sip_uri_t *puri;
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int user_len;
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str *uri;
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str realm_prefix = {0};
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memset(aor_buf, 0, MAX_AOR_LEN);
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uri=_uri;
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if(_pu!=NULL)
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puri = _pu;
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else
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puri = &turi;
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if (parse_uri(uri->s, uri->len, puri) < 0) {
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rerrno = R_AOR_PARSE;
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LM_ERR("failed to parse AoR [%.*s]\n", uri->len, uri->s);
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return -1;
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}
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if ( (puri->user.len + puri->host.len + 1) > MAX_AOR_LEN
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|| puri->user.len > USERNAME_MAX_SIZE
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|| puri->host.len > DOMAIN_MAX_SIZE ) {
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rerrno = R_AOR_LEN;
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LM_ERR("Address Of Record too long\n");
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return -2;
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}
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_a->s = aor_buf;
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_a->len = puri->user.len;
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if (un_escape(&puri->user, _a) < 0) {
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rerrno = R_UNESCAPE;
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LM_ERR("failed to unescape username\n");
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return -3;
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}
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user_len = _a->len;
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if (reg_use_domain) {
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if (user_len)
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aor_buf[_a->len++] = '@';
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/* strip prefix (if defined) */
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realm_prefix.len = cfg_get(registrar, registrar_cfg, realm_pref).len;
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if(realm_prefix.len>0) {
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realm_prefix.s = cfg_get(registrar, registrar_cfg, realm_pref).s;
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LM_DBG("realm prefix is [%.*s]\n", realm_prefix.len,
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(realm_prefix.len>0)?realm_prefix.s:"");
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}
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if (realm_prefix.len>0
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&& realm_prefix.len<puri->host.len
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&& (memcmp(realm_prefix.s, puri->host.s, realm_prefix.len)==0))
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{
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memcpy(aor_buf + _a->len, puri->host.s + realm_prefix.len,
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puri->host.len - realm_prefix.len);
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_a->len += puri->host.len - realm_prefix.len;
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} else {
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memcpy(aor_buf + _a->len, puri->host.s, puri->host.len);
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_a->len += puri->host.len;
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}
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}
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if (cfg_get(registrar, registrar_cfg, case_sensitive) && user_len) {
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tmp.s = _a->s + user_len + 1;
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tmp.len = _a->s + _a->len - tmp.s;
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strlower(&tmp);
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} else {
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strlower(_a);
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}
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return 0;
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}
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