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rlm_mongodb.c
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/*
* rlm_mongodb.c
*
* Version: $Id$
*
* This program 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.
*
* This program 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 St, Fifth Floor, Boston, MA 02110-1301, USA
*
* Copyright 2000,2006 The FreeRADIUS server project
* Copyright 2013 Neutron Soutmun <[email protected]>
*/
#include <freeradius-devel/ident.h>
RCSID("$Id$")
#include <freeradius-devel/radiusd.h>
#include <freeradius-devel/modules.h>
#include <freeradius-devel/token.h>
#include <string.h>
#include <sys/time.h>
#ifdef HAVE_PTHREAD_H
#include <pthread.h>
#define PTHREAD_MUTEX_LOCK pthread_mutex_lock
#define PTHREAD_MUTEX_UNLOCK pthread_mutex_unlock
#else
#define PTHREAD_MUTEX_LOCK(_x)
#define PTHREAD_MUTEX_UNLOCK(_x)
#endif
#include <mongo.h>
typedef struct rlm_mongodb_t MONGODB_INST;
typedef struct rlm_mongodb_t {
mongo_sync_pool *pool;
char *hostname;
int const port;
char *database;
int const numconns;
char col_users[256];
char col_groups[256];
char col_acct[256];
int const read_groups;
int const verify_session;
int const zap_stale_sessions;
#ifdef HAVE_PTHREAD_H
pthread_mutex_t mutex;
#else
UNUSED int mutex;
#endif
} rlm_mongodb_t;
static const CONF_PARSER module_config[] = {
{ "hostname", PW_TYPE_STRING_PTR,
offsetof(MONGODB_INST, hostname), NULL, "127.0.0.1" },
{ "port", PW_TYPE_INTEGER,
offsetof(MONGODB_INST, port), NULL, "27017" },
{ "database", PW_TYPE_STRING_PTR,
offsetof(MONGODB_INST, database), NULL, "radius" },
{ "num_connections", PW_TYPE_INTEGER,
offsetof(MONGODB_INST, numconns), NULL, "10" },
{ "read_groups", PW_TYPE_BOOLEAN,
offsetof(MONGODB_INST, read_groups), NULL, "yes" },
{ "verify_session", PW_TYPE_BOOLEAN,
offsetof(MONGODB_INST, verify_session), NULL, "yes" },
{ "zap_stale_sessions", PW_TYPE_BOOLEAN,
offsetof(MONGODB_INST, zap_stale_sessions), NULL, "yes" },
{ NULL, -1, 0, NULL, NULL } /* end of the list */
};
static int mongodb_detach (void *instance)
{
MONGODB_INST *inst = instance;
if (inst->pool) {
mongo_sync_pool_free (inst->pool);
}
if (inst->hostname) {
free (inst->hostname);
inst->hostname = NULL;
}
if (inst->database) {
free (inst->database);
inst->database = NULL;
}
free (inst);
return 0;
}
static int mongodb_connection_setoptions (MONGODB_INST *inst)
{
mongo_sync_pool_connection **conns = NULL;
conns = rad_malloc (sizeof (conns) * inst->numconns);
int ret = 0;
if (!conns)
return -1;
int i;
for (i = 0; i < inst->numconns; i++) {
conns[i] = mongo_sync_pool_pick (inst->pool, TRUE);
if (!conns[i]) {
ret = -1;
break;
}
mongo_sync_conn_set_auto_reconnect ((mongo_sync_connection *) conns[i], TRUE);
}
for (i = 0; ret == 0 && i < inst->numconns; i++) {
if (mongo_sync_pool_return (inst->pool, conns[i]) != TRUE) {
ret = -1;
break;
}
}
free (conns);
return ret;
}
static int mongodb_instantiate (CONF_SECTION *conf, void **instance)
{
MONGODB_INST *inst;
inst = rad_malloc (sizeof(MONGODB_INST));
if (!inst)
return -1;
memset(inst, 0, sizeof (MONGODB_INST));
if (cf_section_parse (conf, inst, module_config) < 0) {
mongodb_detach (inst);
return -1;
}
if (!inst->database) {
radlog (L_ERR, "rlm_mongodb: Invalid database name");
mongodb_detach (inst);
return -1;
}
if (inst->numconns <= 0 || inst->numconns > 1024) {
radlog (L_ERR, "rlm_mongodb: Invalid connections number (> 1024)");
mongodb_detach (inst);
return -1;
}
inst->pool = mongo_sync_pool_new(inst->hostname, inst->port,
inst->numconns, 0);
if (!inst->pool) {
radlog (L_ERR, "rlm_mongodb: Could not create connections pool");
mongodb_detach (inst);
return -1;
}
if (mongodb_connection_setoptions (inst) != 0) {
radlog (L_ERR, "rlm_mongodb: Could not set connection options");
mongodb_detach (inst);
return -1;
}
#ifdef HAVE_PTHREAD_H
if (pthread_mutex_init (&inst->mutex, NULL) != 0) {
radlog (L_ERR, "rlm_mongodb: Could not initialize mutex");
mongodb_detach (inst);
return -1;
}
DEBUG ("rlm_mongodb: Multi threaded support");
#endif
snprintf (inst->col_users, sizeof (inst->col_users) - 1,
"%s.%s", inst->database, "users");
snprintf (inst->col_groups, sizeof (inst->col_groups) - 1,
"%s.%s", inst->database, "groups");
snprintf (inst->col_acct, sizeof (inst->col_acct) - 1,
"%s.%s", inst->database, "acct");
inst->col_users[sizeof (inst->col_users) - 1] = '\0';
inst->col_groups[sizeof (inst->col_groups) - 1] = '\0';
inst->col_acct[sizeof (inst->col_acct) - 1] = '\0';
*instance = inst;
return RLM_MODULE_OK;
}
static mongo_sync_pool_connection *mongodb_get_conn (MONGODB_INST *inst)
{
PTHREAD_MUTEX_LOCK (&inst->mutex);
mongo_sync_pool_connection *conn = mongo_sync_pool_pick (inst->pool, TRUE);
PTHREAD_MUTEX_UNLOCK (&inst->mutex);
return conn;
}
static int mongodb_return_conn (MONGODB_INST *inst,
mongo_sync_pool_connection *conn)
{
gboolean ret = FALSE;
PTHREAD_MUTEX_LOCK (&inst->mutex);
ret = mongo_sync_pool_return (inst->pool, conn);
PTHREAD_MUTEX_UNLOCK (&inst->mutex);
return ret == TRUE ? 0 : -1;
}
static int mongodb_cursor_getvpdata (bson_cursor *data, VALUE_PAIR **first_pair,
const char *def_attr)
{
int is_fail = 0;
bson *array = NULL;
bson_cursor_get_array (data, &array);
bson_cursor *c = bson_cursor_new (array);
while (bson_cursor_next (c) && !is_fail) {
const char *attribute = NULL;
const char *op = NULL;
const char *value = NULL;
if (bson_cursor_type (c) != BSON_TYPE_DOCUMENT) {
if (def_attr) {
attribute = def_attr;
switch (bson_cursor_type (c)) {
case BSON_TYPE_STRING:
bson_cursor_get_string (c, &value);
break;
default:
radlog (L_ERR, "rlm_mongodb: Unsupport getting non string value from"
"non attribute-value pair for '%s'", def_attr);
break;
}
if (value) {
VALUE_PAIR *new_pair = pairmake (attribute, value, T_OP_CMP_EQ);
if (new_pair) {
pairadd (first_pair, new_pair);
} else {
radlog (L_ERR, "rlm_mongodb: Failed to create the pair: %s",
fr_strerror ());
}
}
}
continue;
}
bson *doc = NULL;
bson_cursor_get_document (c, &doc);
bson_cursor *attr = bson_cursor_new (doc);
while (bson_cursor_next (attr)) {
if (bson_cursor_type (attr) != BSON_TYPE_STRING)
continue;
if (strcmp (bson_cursor_key (attr), "attribute") == 0) {
bson_cursor_get_string (attr, &attribute);
} else if (strcmp (bson_cursor_key (attr), "op") == 0) {
bson_cursor_get_string (attr, &op);
} else if (strcmp (bson_cursor_key (attr), "value") == 0) {
bson_cursor_get_string (attr, &value);
}
}
if (!attribute || attribute[0] == '\0') {
radlog (L_ERR, "rlm_mongodb: The 'attribute' field is empty or NULL, "
"skipping");
goto next;
}
char buf[MAX_STRING_LEN];
FR_TOKEN operator = T_EOL;
if (op && op[0] != '\0') {
operator = gettoken (&op, buf, sizeof (buf));
if ((operator < T_OP_ADD) ||
(operator > T_OP_CMP_EQ)) {
radlog (L_ERR, "rlm_mongodb: Invalid operator '%s' for attribute %s",
op, attribute);
goto next;
}
} else {
operator = T_OP_CMP_EQ;
radlog (L_ERR, "rlm_mongodb: The 'op' field for attribute '%s' is NULL, "
"or non-existent.", attribute);
radlog (L_ERR, "rlm_mongodb: You MUST FIX THIS if you want the "
"configuration to behave as you expect.");
}
VALUE_PAIR *new_pair = pairmake (attribute, value, operator);
if (new_pair) {
pairadd (first_pair, new_pair);
} else {
radlog (L_ERR, "rlm_mongodb: Failed to create the pair: %s",
fr_strerror ());
is_fail = 1;
}
next:
bson_cursor_free (attr);
bson_free (doc);
}
bson_cursor_free (c);
bson_free (array);
return is_fail;
}
static int mongodb_getvpdata (MONGODB_INST *inst, REQUEST *request,
const char *collection, bson *query, bson *select,
VALUE_PAIR **first_pair, const char *def_attr)
{
int docs_count = 0;
mongo_sync_pool_connection *conn = mongodb_get_conn (inst);
mongo_sync_cursor *sc = NULL;
mongo_packet *p = NULL;
if (!conn) {
radlog_request (L_ERR, 0, request, "Maximum %d connections exceeded; "
"rejecting user", inst->numconns);
return -1;
}
p = mongo_sync_cmd_query ((mongo_sync_connection *) conn, collection,
0, 0, 3, query, select);
if (!p) {
docs_count = 0;
goto out;
}
sc = mongo_sync_cursor_new ((mongo_sync_connection *) conn, collection, p);
if (!sc) {
radlog_request (L_ERR, 0, request, "Error create new cursor");
docs_count = -1;
mongo_wire_packet_free (p);
goto out;
}
int fail = 0;
while (mongo_sync_cursor_next (sc) && !fail) {
bson *result = mongo_sync_cursor_get_data (sc);
if (!result)
break;
bson_cursor *slc = bson_cursor_new (select);
while (bson_cursor_next (slc) && !fail) {
int selected = 0;
bson_cursor_get_int32 (slc, &selected);
if (!selected)
continue;
bson_cursor *doc = bson_find (result, bson_cursor_key (slc));
if (bson_cursor_type (doc) != BSON_TYPE_ARRAY) {
bson_cursor_free (doc);
continue;
}
fail = mongodb_cursor_getvpdata (doc, first_pair, def_attr);
if (!fail)
docs_count++;
bson_cursor_free (doc);
}
bson_cursor_free (slc);
bson_free (result);
}
mongo_sync_cursor_free (sc);
out:
if (mongodb_return_conn (inst, conn) == -1) {
radlog_request (L_ERR, 0, request,
"The connection was not returned to the pool; "
"rejecting user");
return -1;
}
return docs_count;
}
static int mongodb_user_check (MONGODB_INST *inst, REQUEST *request,
VALUE_PAIR **pair)
{
bson *query = NULL;
bson *select = NULL;
const char *username = request->username->vp_strvalue;
int docs_count = 0;
query = bson_build (BSON_TYPE_STRING, "username", username, -1,
BSON_TYPE_NONE);
bson_finish (query);
select = bson_build (BSON_TYPE_INT32, "check", 1, BSON_TYPE_NONE);
bson_finish (select);
docs_count = mongodb_getvpdata (inst, request, inst->col_users, query,
select, pair, NULL);
bson_free (query);
bson_free (select);
return docs_count;
}
static int mongodb_user_reply (MONGODB_INST *inst, REQUEST *request,
VALUE_PAIR **pair)
{
bson *query = NULL;
bson *select = NULL;
const char *username = request->username->vp_strvalue;
int docs_count = 0;
query = bson_build (BSON_TYPE_STRING, "username", username, -1,
BSON_TYPE_NONE);
bson_finish (query);
select = bson_build (BSON_TYPE_INT32, "reply", 1, BSON_TYPE_NONE);
bson_finish (select);
docs_count = mongodb_getvpdata (inst, request, inst->col_users, query,
select, pair, NULL);
bson_free (query);
bson_free (select);
return docs_count;
}
static int mongodb_group_check (MONGODB_INST *inst, REQUEST *request,
const char *groupname, VALUE_PAIR **pair)
{
bson *query = NULL;
bson *select = NULL;
int docs_count = 0;
if (!groupname || groupname[0] == '\0')
return -1;
query = bson_build (BSON_TYPE_STRING, "groupname", groupname, -1,
BSON_TYPE_NONE);
bson_finish (query);
select = bson_build (BSON_TYPE_INT32, "check", 1, BSON_TYPE_NONE);
bson_finish (select);
docs_count = mongodb_getvpdata (inst, request, inst->col_groups, query,
select, pair, NULL);
bson_free (query);
bson_free (select);
return docs_count;
}
static int mongodb_group_reply (MONGODB_INST *inst, REQUEST *request,
const char *groupname, VALUE_PAIR **pair)
{
bson *query = NULL;
bson *select = NULL;
int docs_count = 0;
if (!groupname || groupname[0] == '\0')
return -1;
query = bson_build (BSON_TYPE_STRING, "groupname", groupname, -1,
BSON_TYPE_NONE);
bson_finish (query);
select = bson_build (BSON_TYPE_INT32, "reply", 1, BSON_TYPE_NONE);
bson_finish (select);
docs_count = mongodb_getvpdata (inst, request, inst->col_groups, query,
select, pair, NULL);
bson_free (query);
bson_free (select);
return docs_count;
}
static int fallthrough (VALUE_PAIR *vp)
{
VALUE_PAIR *ft = pairfind (vp, PW_FALL_THROUGH);
return ft ? ft->vp_integer : 0;
}
static int mongodb_user_getgroups (MONGODB_INST *inst, REQUEST *request,
VALUE_PAIR **pair)
{
bson *query = NULL;
bson *select = NULL;
const char *username = request->username->vp_strvalue;
int docs_count = 0;
query = bson_build (BSON_TYPE_STRING, "username", username, -1,
BSON_TYPE_NONE);
bson_finish (query);
select = bson_build (BSON_TYPE_INT32, "groups", 1, BSON_TYPE_NONE);
bson_finish (select);
docs_count = mongodb_getvpdata (inst, request, inst->col_users, query,
select, pair, "Group");
bson_free (query);
bson_free (select);
return docs_count;
}
static int mongodb_process_groups (MONGODB_INST *inst, REQUEST *request,
int *dofallthrough)
{
VALUE_PAIR *groups = NULL;
int docs_count = mongodb_user_getgroups (inst, request, &groups);
int found = 0;
if (docs_count <= 0) {
return docs_count;
}
VALUE_PAIR *it = NULL;
for (it = groups; it != NULL && *dofallthrough; it = it->next) {
VALUE_PAIR *check_items = NULL;
VALUE_PAIR *reply_items = NULL;
docs_count = mongodb_group_check (inst, request, it->vp_strvalue,
&check_items);
if (docs_count > 0) {
if (paircompare (request, request->packet->vps, check_items,
&request->reply->vps) == 0) {
found = 1;
RDEBUG2 ("User %s is in group %s", request->username->vp_strvalue,
it->vp_strvalue);
docs_count = mongodb_group_reply (inst, request, it->vp_strvalue,
&reply_items);
*dofallthrough = fallthrough (reply_items);
pairmove (&request->config_items, &check_items);
pairmove (&request->reply->vps, &reply_items);
}
} else if (docs_count < 0) {
radlog_request (L_ERR, 0, request,
"Error retrieving check pairs for group %s",
it->vp_strvalue);
found = -1;
break;
}
pairfree (&check_items);
pairfree (&reply_items);
}
pairfree (&groups);
return found;
}
static int mongodb_authorize (void *instance, REQUEST *request)
{
VALUE_PAIR *check_items = NULL;
VALUE_PAIR *reply_items = NULL;
int ret = RLM_MODULE_NOTFOUND;
int dofallthrough = 1;
int docs_count = 0;
if (request->username == NULL)
return RLM_MODULE_NOOP;
MONGODB_INST *inst = instance;
docs_count = mongodb_user_check (inst, request, &check_items);
RDEBUG ("Found %d documents in user check collection", docs_count);
if (docs_count > 0 && paircompare (request, request->packet->vps,
check_items, &request->reply->vps) == 0) {
pairmove (&request->config_items, &check_items);
ret = RLM_MODULE_OK;
docs_count = mongodb_user_reply (inst, request, &reply_items);
RDEBUG ("Found %d documents in user reply collection", docs_count);
if (docs_count > 0) {
if (!inst->read_groups)
dofallthrough = fallthrough (reply_items);
pairmove (&request->reply->vps, &reply_items);
ret = RLM_MODULE_OK;
}
} else if (docs_count == 0) {
goto skipreply;
} else {
goto error;
}
skipreply:
pairfree (&check_items);
pairfree (&reply_items);
if (dofallthrough) {
docs_count = mongodb_process_groups (inst, request, &dofallthrough);
if (docs_count < 0) {
radlog_request (L_ERR, 0, request, "Error processing groups; "
"rejecting user");
goto error;
}
}
goto out;
error:
ret = RLM_MODULE_FAIL;
out:
pairfree (&check_items);
pairfree (&reply_items);
return ret;
}
static int mongodb_accounting_update (MONGODB_INST *inst, REQUEST *request,
bson *select, bson *update,
gint32 flags)
{
mongo_sync_pool_connection *conn = NULL;
gboolean done = FALSE;
int ret = RLM_MODULE_FAIL;
if (!update || !select) {
radlog_request (L_ERR, 0, request,
"Invalid data for accounting update");
return RLM_MODULE_FAIL;
}
conn = mongodb_get_conn (inst);
if (!conn) {
radlog_request (L_ERR, 0, request, "Maximum %d connections exceeded; "
"ignore accounting update", inst->numconns);
return RLM_MODULE_FAIL;
}
done = mongo_sync_cmd_update ((mongo_sync_connection *) conn,
inst->col_acct, flags, select, update);
if (done == TRUE) {
ret = RLM_MODULE_OK;
} else {
gchar *error = NULL;
mongo_sync_cmd_get_last_error ((mongo_sync_connection *) conn,
inst->database, &error);
radlog_request (L_ERR, 0, request,
"MongoDB accounting update error; [%s]", error);
mongo_sync_cmd_reset_error ((mongo_sync_connection *) conn,
inst->database);
ret = RLM_MODULE_FAIL;
}
if (mongodb_return_conn (inst, conn) == -1) {
radlog_request (L_ERR, 0, request,
"The connection was not returned to the pool");
return RLM_MODULE_FAIL;
}
return ret;
}
static int64_t _get_request_timestamp (REQUEST *request)
{
VALUE_PAIR *acct_delay_time = pairfind (request->packet->vps,
PW_ACCT_DELAY_TIME);
struct timeval tval;
int64_t timestamp = 0;
int delay = 0;
gettimeofday (&tval, NULL);
timestamp = tval.tv_sec * 1000 + tval.tv_usec / 1000; /* milliseconds */
if (acct_delay_time) {
delay = acct_delay_time->vp_integer * 1000; /* milliseconds */
}
timestamp -= delay;
return timestamp;
}
static int mongodb_accounting_start (MONGODB_INST *inst, REQUEST *request)
{
VALUE_PAIR *vp = request->packet->vps;
const char *attr = NULL;
bson *select = NULL;
bson *update = NULL;
bson *updset = NULL;
int ret = 0;
char value[MAX_STRING_LEN + 1];
VALUE_PAIR *username = pairfind (request->packet->vps, PW_USER_NAME);
VALUE_PAIR *sessid = pairfind (request->packet->vps, PW_ACCT_SESSION_ID);
VALUE_PAIR *nasip = pairfind (request->packet->vps, PW_NAS_IP_ADDRESS);
VALUE_PAIR *nasport = pairfind (request->packet->vps, PW_NAS_PORT);
if (!username || !sessid || !nasip || !nasport) {
radlog_request (L_ERR, 0, request, "packet has no User-Name and/or "
"no Acct-Session-ID");
return RLM_MODULE_INVALID;
}
select = bson_new ();
bson_append_string (select, username->name, username->vp_strvalue, -1);
bson_append_string (select, sessid->name, sessid->vp_strvalue, -1);
vp_prints_value (value, sizeof (value), nasip, 0);
bson_append_string (select, nasip->name, value, -1);
bson_append_int32 (select, nasport->name, nasport->vp_integer);
bson_append_null (select, "Acct-Session-Stop-Time");
bson_finish (select);
update = bson_new ();
VALUE_PAIR *it = vp;
while (it) {
attr = it->name;
switch (it->type) {
case PW_TYPE_INTEGER:
case PW_TYPE_BYTE:
case PW_TYPE_SHORT:
bson_append_int32 (update, attr, it->vp_integer);
break;
case PW_TYPE_DATE:
bson_append_utc_datetime (update, attr, it->vp_date);
break;
default:
vp_prints_value (value, sizeof (value), it, 0);
bson_append_string (update, attr, value, -1);
break;
}
it = it->next;
}
int64_t timestamp = _get_request_timestamp (request);
bson_append_utc_datetime (update, "Acct-Session-Start-Time", timestamp);
bson_finish (update);
updset = bson_new ();
bson_append_document (updset, "$set", update);
bson_finish (updset);
ret = mongodb_accounting_update (inst, request, select, updset,
MONGO_WIRE_FLAG_UPDATE_UPSERT);
bson_free (updset);
bson_free (update);
bson_free (select);
return ret;
}
static int mongodb_accounting_prestop (MONGODB_INST *inst,
REQUEST *request, bson *query,
int64_t *starttime,
int64_t *stoptime,
int64_t *sesstime)
{
int found = 0;
int64_t doc_starttime = 0;
mongo_sync_pool_connection *conn = mongodb_get_conn (inst);
mongo_sync_cursor *sc = NULL;
mongo_packet *p = NULL;
bson *select = NULL;
if (!conn) {
radlog_request (L_ERR, 0, request, "Maximum %d connections exceeded; "
"rejecting user", inst->numconns);
return -1;
}
select = bson_build (BSON_TYPE_INT32, "Acct-Session-Start-Time", 1,
BSON_TYPE_NONE);
bson_finish (select);
p = mongo_sync_cmd_query ((mongo_sync_connection *) conn, inst->col_acct,
0, 0, 1, query, select);
if (!p) {
found = 0;
goto out;
}
sc = mongo_sync_cursor_new ((mongo_sync_connection *) conn,
inst->col_acct, p);
if (!sc) {
radlog_request (L_ERR, 0, request, "Error create new cursor");
found = -1;
mongo_wire_packet_free (p);
goto out;
}
mongo_sync_cursor_next (sc);
bson *result = mongo_sync_cursor_get_data (sc);
if (!result) {
radlog_request (L_ERR, 0, request, "Could not get result");
found = -1;
goto out_cursor;
}
bson_cursor *doc = bson_find (result, "Acct-Session-Start-Time");
if (bson_cursor_type (doc) == BSON_TYPE_UTC_DATETIME) {
bson_cursor_get_utc_datetime (doc, &doc_starttime);
found = 1;
}
bson_cursor_free (doc);
out_cursor:
bson_free (result);
mongo_sync_cursor_free (sc);
out:
if (*sesstime == 0) {
*stoptime = _get_request_timestamp (request);
*sesstime = (*stoptime - doc_starttime) / 1000; /* seconds */
*starttime = doc_starttime;
} else {
if (doc_starttime > 0) {
*starttime = doc_starttime;
*stoptime = doc_starttime + (*sesstime * 1000);
} else {
*stoptime = _get_request_timestamp (request);
*starttime = *stoptime - (*sesstime * 1000);
}
}
bson_free (select);
if (mongodb_return_conn (inst, conn) == -1) {
radlog_request (L_ERR, 0, request,
"The connection was not returned to the pool");
return -1;
}
return found;
}
static int mongodb_accounting_stop (MONGODB_INST *inst, REQUEST *request)
{
bson *select = NULL;
bson *update = NULL;
bson *updset = NULL;
int ret = 0;
char value[MAX_STRING_LEN + 1];
VALUE_PAIR *username = pairfind (request->packet->vps, PW_USER_NAME);
VALUE_PAIR *sessid = pairfind (request->packet->vps, PW_ACCT_SESSION_ID);
VALUE_PAIR *nasip = pairfind (request->packet->vps, PW_NAS_IP_ADDRESS);
VALUE_PAIR *nasport = pairfind (request->packet->vps, PW_NAS_PORT);
VALUE_PAIR *sstime = pairfind (request->packet->vps, PW_ACCT_SESSION_TIME);
VALUE_PAIR *tcause = pairfind (request->packet->vps, PW_ACCT_TERMINATE_CAUSE);
if (!username || !sessid || !nasip || !nasport) {
radlog_request (L_ERR, 0, request, "packet has no some of required data "
"User-Name, Acct-Session-Id, NAS-IP-Address, NAS-Port");
return RLM_MODULE_INVALID;
}
select = bson_new ();
update = bson_new ();
updset = bson_new ();
bson_append_string (select, username->name, username->vp_strvalue, -1);
bson_append_string (select, sessid->name, sessid->vp_strvalue, -1);
vp_prints_value (value, sizeof (value), nasip, 0);
bson_append_string (select, nasip->name, value, -1);
bson_append_int32 (select, nasport->name, nasport->vp_integer);
bson_append_null (select, "Acct-Session-Stop-Time");
bson_finish (select);
int64_t starttime = 0;
int64_t stoptime = 0;
int64_t sesstime = 0;
int found = 0;
if (sstime) {
sesstime = sstime->vp_date;
}
found = mongodb_accounting_prestop (inst, request, select, &starttime,
&stoptime, &sesstime);
if (found < 0 || (found == 0 && sesstime == 0)) {
radlog_request (L_ERR, 0, request, "Could not update accounting (stop), "
"no start record and could not re-generate "
"or fail to get data");
ret = RLM_MODULE_FAIL;
goto out;
} else if (found == 0) {
/* no start record, just add one and update with calculated
starttime = stoptime - sessiontime */
ret = mongodb_accounting_start (inst, request);
if (ret != RLM_MODULE_OK) {
goto out;
}
}
bson_append_utc_datetime (update, "Acct-Session-Start-Time", starttime);
bson_append_utc_datetime (update, "Acct-Session-Stop-Time", stoptime);
if (tcause) {
bson_append_int32 (update, tcause->name, tcause->vp_integer);
}
bson_append_int32 (update, "Acct-Status-Type", PW_STATUS_STOP);
bson_append_int64 (update, "Acct-Session-Time", sesstime);
bson_finish (update);
bson_append_document (updset, "$set", update);
bson_finish (updset);
ret = mongodb_accounting_update (inst, request, select, updset, 0);
out:
bson_free (updset);
bson_free (update);
bson_free (select);
return ret;
}
static int mongodb_accounting (void *instance, REQUEST *request) {
MONGODB_INST *inst = instance;
int acctstatustype = 0;
int ret = RLM_MODULE_NOOP;
char logstr[MAX_STRING_LEN];
VALUE_PAIR *pair = pairfind (request->packet->vps, PW_ACCT_STATUS_TYPE);
if (pair) {
acctstatustype = pair->vp_integer;
} else {
radius_xlat (logstr, sizeof (logstr), "packet has no accounting status"
"type. [user '%{User-Name}', nas '%{NAS-IP-Address}']",
request, NULL);
radlog_request (L_ERR, 0, request, "%s", logstr);
return RLM_MODULE_INVALID;
}
switch (acctstatustype) {
case PW_STATUS_START:
ret = mongodb_accounting_start (inst, request);
break;
case PW_STATUS_STOP:
ret = mongodb_accounting_stop (inst, request);
break;
case PW_STATUS_ALIVE:
break;
case PW_STATUS_ACCOUNTING_ON:
case PW_STATUS_ACCOUNTING_OFF:
break;
default:
RDEBUG ("Unsupported Acct-Status-Type = %d", acctstatustype);
return RLM_MODULE_NOOP;
}
return ret;
}
static uint32_t mongodb_cursor_get_addr (bson_cursor *cs)