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/*
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 1999 - 2005, Digium, Inc.
*
* Mark Spencer <markster@digium.com>
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
* any of the maintainers of this project for assistance;
* the project provides a web site, mailing lists and IRC
* channels for your use.
*
* This program is free software, distributed under the terms of
* the GNU General Public License Version 2. See the LICENSE file
* at the top of the source tree.
*/
/*! \file
*
* \brief RADIUS CDR Support
* \author Philippe Sultan
*
* \arg See also \ref AstCDR
* \ingroup cdr_drivers
*/
/*** MODULEINFO
<depend>radius</depend>
***/
#include "asterisk.h"
ASTERISK_FILE_VERSION(__FILE__, "$Rev$")
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <unistd.h>
#include <time.h>
#include <sys/types.h>
#include <radiusclient-ng.h>
#include "asterisk/channel.h"
#include "asterisk/cdr.h"
#include "asterisk/module.h"
#include "asterisk/logger.h"
#include "asterisk/utils.h"
#include "asterisk/options.h"
/*! ISO 8601 standard format */
#define DATE_FORMAT "%Y-%m-%d %T %z"
#define VENDOR_CODE 22736
enum {
PW_AST_ACCT_CODE = 101,
PW_AST_SRC = 102,
PW_AST_DST = 103,
PW_AST_DST_CTX = 104,
PW_AST_CLID = 105,
PW_AST_CHAN = 106,
PW_AST_DST_CHAN = 107,
PW_AST_LAST_APP = 108,
PW_AST_LAST_DATA = 109,
PW_AST_START_TIME = 110,
PW_AST_ANSWER_TIME = 111,
PW_AST_END_TIME = 112,
PW_AST_DURATION = 113,
PW_AST_BILL_SEC = 114,
PW_AST_DISPOSITION = 115,
PW_AST_AMA_FLAGS = 116,
PW_AST_UNIQUE_ID = 117,
PW_AST_USER_FIELD = 118
};
enum {
/*! Log dates and times in UTC */
RADIUS_FLAG_USEGMTIME = (1 << 0),
/*! Log Unique ID */
RADIUS_FLAG_LOGUNIQUEID = (1 << 1),
/*! Log User Field */
RADIUS_FLAG_LOGUSERFIELD = (1 << 2)
};
static char *desc = "RADIUS CDR Backend";
static char *name = "radius";
static char *cdr_config = "cdr.conf";
static char radiuscfg[PATH_MAX] = "/etc/radiusclient-ng/radiusclient.conf";
static struct ast_flags global_flags = { RADIUS_FLAG_USEGMTIME | RADIUS_FLAG_LOGUNIQUEID | RADIUS_FLAG_LOGUSERFIELD };
static rc_handle *rh = NULL;
static int build_radius_record(VALUE_PAIR **send, struct ast_cdr *cdr)
{
int recordtype = PW_STATUS_STOP;
struct tm tm;
char timestr[128];
char *tmp;
if (!rc_avpair_add(rh, send, PW_ACCT_STATUS_TYPE, &recordtype, 0, 0))
return -1;
/* Account code */
if (!rc_avpair_add(rh, send, PW_AST_ACCT_CODE, &cdr->accountcode, strlen(cdr->accountcode), VENDOR_CODE))
return -1;
/* Source */
if (!rc_avpair_add(rh, send, PW_AST_SRC, &cdr->src, strlen(cdr->src), VENDOR_CODE))
return -1;
/* Destination */
if (!rc_avpair_add(rh, send, PW_AST_DST, &cdr->dst, strlen(cdr->dst), VENDOR_CODE))
return -1;
/* Destination context */
if (!rc_avpair_add(rh, send, PW_AST_DST_CTX, &cdr->dcontext, strlen(cdr->dcontext), VENDOR_CODE))
return -1;
/* Caller ID */
if (!rc_avpair_add(rh, send, PW_AST_CLID, &cdr->clid, strlen(cdr->clid), VENDOR_CODE))
return -1;
/* Channel */
if (!rc_avpair_add(rh, send, PW_AST_CHAN, &cdr->channel, strlen(cdr->channel), VENDOR_CODE))
return -1;
/* Destination Channel */
if (!rc_avpair_add(rh, send, PW_AST_DST_CHAN, &cdr->dstchannel, strlen(cdr->dstchannel), VENDOR_CODE))
return -1;
/* Last Application */
if (!rc_avpair_add(rh, send, PW_AST_LAST_APP, &cdr->lastapp, strlen(cdr->lastapp), VENDOR_CODE))
return -1;
/* Last Data */
if (!rc_avpair_add(rh, send, PW_AST_LAST_DATA, &cdr->lastdata, strlen(cdr->lastdata), VENDOR_CODE))
return -1;
/* Start Time */
if (ast_test_flag(&global_flags, RADIUS_FLAG_USEGMTIME))
gmtime_r(&(cdr->start.tv_sec), &tm);
else
ast_localtime(&(cdr->start.tv_sec), &tm, NULL);
strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
if (!rc_avpair_add(rh, send, PW_AST_START_TIME, timestr, strlen(timestr), VENDOR_CODE))
return -1;
/* Answer Time */
if (ast_test_flag(&global_flags, RADIUS_FLAG_USEGMTIME))
gmtime_r(&(cdr->answer.tv_sec), &tm);
else
ast_localtime(&(cdr->answer.tv_sec), &tm, NULL);
strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
if (!rc_avpair_add(rh, send, PW_AST_ANSWER_TIME, timestr, strlen(timestr), VENDOR_CODE))
return -1;
/* End Time */
if (ast_test_flag(&global_flags, RADIUS_FLAG_USEGMTIME))
gmtime_r(&(cdr->end.tv_sec), &tm);
else
ast_localtime(&(cdr->end.tv_sec), &tm, NULL);
strftime(timestr, sizeof(timestr), DATE_FORMAT, &tm);
if (!rc_avpair_add(rh, send, PW_AST_END_TIME, timestr, strlen(timestr), VENDOR_CODE))
return -1;
/* Duration */
if (!rc_avpair_add(rh, send, PW_AST_DURATION, &cdr->duration, 0, VENDOR_CODE))
return -1;
/* Billable seconds */
if (!rc_avpair_add(rh, send, PW_AST_BILL_SEC, &cdr->billsec, 0, VENDOR_CODE))
return -1;
/* Disposition */
tmp = ast_cdr_disp2str(cdr->disposition);
if (!rc_avpair_add(rh, send, PW_AST_DISPOSITION, tmp, strlen(tmp), VENDOR_CODE))
return -1;
/* AMA Flags */
tmp = ast_cdr_flags2str(cdr->amaflags);
if (!rc_avpair_add(rh, send, PW_AST_AMA_FLAGS, tmp, strlen(tmp), VENDOR_CODE))
return -1;
if (ast_test_flag(&global_flags, RADIUS_FLAG_LOGUNIQUEID)) {
/* Unique ID */
if (!rc_avpair_add(rh, send, PW_AST_UNIQUE_ID, &cdr->uniqueid, strlen(cdr->uniqueid), VENDOR_CODE))
return -1;
}
if (ast_test_flag(&global_flags, RADIUS_FLAG_LOGUSERFIELD)) {
/* append the user field */
if (!rc_avpair_add(rh, send, PW_AST_USER_FIELD, &cdr->userfield, strlen(cdr->userfield), VENDOR_CODE))
return -1;
}
/* Setting Acct-Session-Id & User-Name attributes for proper generation
of Acct-Unique-Session-Id on server side */
/* Channel */
if (!rc_avpair_add(rh, send, PW_USER_NAME, &cdr->channel, strlen(cdr->channel), 0))
return -1;
/* Unique ID */
if (!rc_avpair_add(rh, send, PW_ACCT_SESSION_ID, &cdr->uniqueid, strlen(cdr->uniqueid), 0))
return -1;
return 0;
}
static int radius_log(struct ast_cdr *cdr)
{
int result = ERROR_RC;
VALUE_PAIR *send = NULL;
if (build_radius_record(&send, cdr)) {
if (option_debug)
ast_log(LOG_DEBUG, "Unable to create RADIUS record. CDR not recorded!\n");
return result;
}
result = rc_acct(rh, 0, send);
if (result != OK_RC)
ast_log(LOG_ERROR, "Failed to record Radius CDR record!\n");
return result;
}
static int unload_module(void)
{
ast_cdr_unregister(name);
return 0;
}
static int load_module(void)
{
struct ast_config *cfg;
int res;
const char *tmp;
if ((cfg = ast_config_load(cdr_config))) {
ast_set2_flag(&global_flags, ast_true(ast_variable_retrieve(cfg, "radius", "usegmtime")), RADIUS_FLAG_USEGMTIME);
ast_set2_flag(&global_flags, ast_true(ast_variable_retrieve(cfg, "radius", "loguniqueid")), RADIUS_FLAG_LOGUNIQUEID);
ast_set2_flag(&global_flags, ast_true(ast_variable_retrieve(cfg, "radius", "loguserfield")), RADIUS_FLAG_LOGUSERFIELD);
if ((tmp = ast_variable_retrieve(cfg, "radius", "radiuscfg")))
ast_copy_string(radiuscfg, tmp, sizeof(radiuscfg));
ast_config_destroy(cfg);
} else
return AST_MODULE_LOAD_DECLINE;
/* start logging */
rc_openlog("asterisk");
/* read radiusclient-ng config file */
if (!(rh = rc_read_config(radiuscfg))) {
ast_log(LOG_NOTICE, "Cannot load radiusclient-ng configuration file %s.\n", radiuscfg);
return AST_MODULE_LOAD_DECLINE;
}
/* read radiusclient-ng dictionaries */
if (rc_read_dictionary(rh, rc_conf_str(rh, "dictionary"))) {
ast_log(LOG_NOTICE, "Cannot load radiusclient-ng dictionary file.\n");
return AST_MODULE_LOAD_DECLINE;
}
res = ast_cdr_register(name, desc, radius_log);
return AST_MODULE_LOAD_SUCCESS;
}
AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "RADIUS CDR Backend");
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