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/*
* Radius based peering module
*
* Copyright (C) 2008 Juha Heinanen
*
* 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
*
*/
/*! \file
* \ingroup peering
* \brief Peering:: Core
*
* - Module: \ref peering
*/
/*! \defgroup peering Peering :: Radius based peering verification module
*
* The Peering module allows SIP providers (operators or
* organizations) to verify from a broker if source or destination
* of a SIP request is a trusted peer.
*
*/
#include "../../sr_module.h"
#include "../../mem/mem.h"
#include "../../config.h"
#include "../../lib/kcore/radius.h"
#include "verify.h"
MODULE_VERSION
struct attr attrs[A_MAX];
struct val vals[V_MAX];
void *rh;
static int mod_init(void); /* Module initialization function */
/*
* Module parameter variables
*/
static char* radius_config = DEFAULT_RADIUSCLIENT_CONF;
int verify_destination_service_type = -1;
int verify_source_service_type = -1;
/*
* Exported functions
*/
static cmd_export_t cmds[] = {
{"verify_destination", (cmd_function)verify_destination, 0, 0, 0,
REQUEST_ROUTE|FAILURE_ROUTE|BRANCH_ROUTE|LOCAL_ROUTE},
{"verify_source", (cmd_function)verify_source, 0, 0, 0,
REQUEST_ROUTE|FAILURE_ROUTE|BRANCH_ROUTE|LOCAL_ROUTE},
{0, 0, 0, 0, 0, 0}
};
/*
* Exported parameters
*/
static param_export_t params[] = {
{"radius_config", PARAM_STRING, &radius_config},
{"verify_destination_service_type", INT_PARAM,
&verify_destination_service_type},
{"verify_source_service_type", INT_PARAM,
&verify_source_service_type},
{0, 0, 0}
};
/*
* Module interface
*/
struct module_exports exports = {
"peering",
DEFAULT_DLFLAGS, /* dlopen flags */
cmds, /* Exported functions */
params, /* Exported parameters */
0, /* exported statistics */
0, /* exported MI functions */
0, /* exported pseudo-variables */
0, /* extra processes */
mod_init, /* module initialization function */
0, /* response function */
0, /* destroy function */
0 /* child initialization function */
};
/*
* Module initialization function
*/
static int mod_init(void)
{
memset(attrs, 0, sizeof(attrs));
memset(vals, 0, sizeof(vals));
attrs[A_USER_NAME].n = "User-Name";
attrs[A_SIP_URI_USER].n = "SIP-URI-User";
attrs[A_SIP_FROM_TAG].n = "SIP-From-Tag";
attrs[A_SIP_CALL_ID].n = "SIP-Call-Id";
attrs[A_SIP_REQUEST_HASH].n = "SIP-Request-Hash";
attrs[A_SIP_AVP].n = "SIP-AVP";
attrs[A_SERVICE_TYPE].n = "Service-Type";
vals[V_SIP_VERIFY_DESTINATION].n = "Sip-Verify-Destination";
vals[V_SIP_VERIFY_SOURCE].n = "Sip-Verify-Source";
if ((rh = rc_read_config(radius_config)) == NULL) {
LM_ERR("error opening configuration file\n");
return -1;
}
if (rc_read_dictionary(rh, rc_conf_str(rh, "dictionary")) != 0) {
LM_ERR("error opening dictionary file\n");
return -2;
}
INIT_AV(rh, attrs, A_MAX, vals, V_MAX, "peering", -3, -4);
if (verify_destination_service_type != -1) {
vals[V_SIP_VERIFY_DESTINATION].v =
verify_destination_service_type;
}
if (verify_source_service_type != -1) {
vals[V_SIP_VERIFY_SOURCE].v = verify_source_service_type;
}
return 0;
}
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