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kamailio/modules/osp/provider.c

134 lines
4.0 KiB

/*
* Kamailio osp module.
*
* This module enables Kamailio to communicate with an Open Settlement
* Protocol (OSP) server. The Open Settlement Protocol is an ETSI
* defined standard for Inter-Domain VoIP pricing, authorization
* and usage exchange. The technical specifications for OSP
* (ETSI TS 101 321 V4.1.1) are available at www.etsi.org.
*
* Uli Abend was the original contributor to this module.
*
* Copyright (C) 2001-2005 Fhg Fokus
*
* This file is part of Kamailio, a free SIP server.
*
* Kamailio is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* Kamailio is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <osp/osp.h>
#include <osp/osputils.h>
#include "../../dprint.h"
#include "provider.h"
extern unsigned int _osp_sp_number;
extern char* _osp_sp_uris[];
extern unsigned long _osp_sp_weights[];
extern unsigned char* _osp_private_key;
extern unsigned char* _osp_local_certificate;
extern unsigned char* _osp_ca_certificate;
extern int _osp_ssl_lifetime;
extern int _osp_persistence;
extern int _osp_retry_delay;
extern int _osp_retry_limit;
extern int _osp_timeout;
extern int _osp_crypto_hw;
extern OSPTPROVHANDLE _osp_provider;
/*
* Create a new OSP provider object per process
* return 0 success, others failure
*/
int ospSetupProvider(void)
{
OSPTPRIVATEKEY privatekey;
OSPTCERT localcert;
OSPTCERT cacert;
OSPTCERT* cacerts[1];
int result;
cacerts[0] = &cacert;
if ((result = OSPPInit(_osp_crypto_hw)) != 0) {
LM_ERR("failed to initialize OSP (%d)\n", result);
} else if (OSPPUtilLoadPEMPrivateKey(_osp_private_key, &privatekey) != 0) {
LM_ERR("failed to load private key from '%s'\n", _osp_private_key);
} else if (OSPPUtilLoadPEMCert(_osp_local_certificate, &localcert) != 0) {
LM_ERR("failed to load local certificate from '%s'\n",_osp_local_certificate);
} else if (OSPPUtilLoadPEMCert(_osp_ca_certificate, &cacert) != 0) {
LM_ERR("failed to load CA certificate from '%s'\n", _osp_ca_certificate);
} else {
result = OSPPProviderNew(
_osp_sp_number,
(const char**)_osp_sp_uris,
_osp_sp_weights,
"http://localhost:1234",
&privatekey,
&localcert,
1,
(const OSPTCERT**)cacerts,
1,
_osp_ssl_lifetime,
_osp_sp_number,
_osp_persistence,
_osp_retry_delay,
_osp_retry_limit,
_osp_timeout,
"",
"",
&_osp_provider);
if (result != 0) {
LM_ERR("failed to create provider (%d)\n", result);
} else {
LM_DBG("created new (per process) provider '%d'\n", _osp_provider);
result = 0;
}
}
/*
* Free space allocated while loading crypto information from PEM-encoded files.
* There are some problems to free the memory, do not free them
*/
if (privatekey.PrivateKeyData != NULL) {
//free(privatekey.PrivateKeyData);
}
if (localcert.CertData != NULL) {
//free(localcert.CertData);
}
if (cacert.CertData != NULL) {
//free(localcert.CertData);
}
return result;
}
/*
* Erase OSP provider object
* return 0 success, others failure
*/
int ospDeleteProvider(void)
{
int result;
if ((result = OSPPProviderDelete(_osp_provider, 0)) != 0) {
LM_ERR("failed to erase provider '%d' (%d)\n", _osp_provider, result);
}
return result;
}