int rc_acct_proxy(VALUE_PAIR *send)
{
SEND_DATA data;
int result;
char msg[4096];
int i;
SERVER *acctserver = rc_conf_srv("authserver");
int timeout = rc_conf_int("radius_timeout");
int retries = rc_conf_int("radius_retries");
data.send_pairs = send;
data.receive_pairs = NULL;
result = ERROR_RC;
for(i=0; (i<acctserver->max) && (result != OK_RC) && (result != BADRESP_RC)
; i++)
{
if (data.receive_pairs != NULL) {
rc_avpair_free(data.receive_pairs);
data.receive_pairs = NULL;
}
rc_buildreq(&data, PW_ACCOUNTING_REQUEST, acctserver->name[i],
acctserver->port[i], timeout, retries);
result = rc_send_server (&data, msg, NULL);
}
rc_avpair_free(data.receive_pairs);
return result;
}
int rc_acct_using_server(SERVER *acctserver,
UINT4 client_port,
VALUE_PAIR *send)
{
SEND_DATA data;
VALUE_PAIR *adt_vp;
int result;
time_t start_time, dtime;
char msg[4096];
int i;
int timeout = rc_conf_int("radius_timeout");
int retries = rc_conf_int("radius_retries");
data.send_pairs = send;
data.receive_pairs = NULL;
/*
* Fill in NAS-IP-Address or NAS-Identifier
*/
if (rc_get_nas_id(&(data.send_pairs)) == ERROR_RC)
return (ERROR_RC);
/*
* Fill in NAS-Port
*/
if (rc_avpair_add(&(data.send_pairs), PW_NAS_PORT, &client_port, 0, VENDOR_NONE) == NULL)
return (ERROR_RC);
/*
* Fill in Acct-Delay-Time
*/
dtime = 0;
if ((adt_vp = rc_avpair_add(&(data.send_pairs), PW_ACCT_DELAY_TIME, &dtime, 0, VENDOR_NONE)) == NULL)
return (ERROR_RC);
start_time = time(NULL);
result = ERROR_RC;
for(i=0; (i<acctserver->max) && (result != OK_RC) && (result != BADRESP_RC)
; i++)
{
if (data.receive_pairs != NULL) {
rc_avpair_free(data.receive_pairs);
data.receive_pairs = NULL;
}
rc_buildreq(&data, PW_ACCOUNTING_REQUEST, acctserver->name[i],
acctserver->port[i], timeout, retries);
dtime = time(NULL) - start_time;
rc_avpair_assign(adt_vp, &dtime, 0);
result = rc_send_server (&data, msg, NULL);
}
rc_avpair_free(data.receive_pairs);
return result;
}
int send_acct_func_async(struct sip_msg* msg, async_resume_module **resume_f,
void **resume_param, str *s)
{
int i, index = -1, res;
VALUE_PAIR *send = NULL;
SEND_CONTEXT *ctx = 0;
struct rad_ctx *rctx;
if (!rh) {
if (init_radius_handle()) {
LM_ERR("invalid radius handle\n");
return -1;
}
}
for (i = 0; i < set_size; i++) {
if (sets[i]->set_name.len == s->len &&
!strncmp(sets[i]->set_name.s, s->s, s->len))
index = i;
}
if (index == -1) {
LM_ERR("set not found\n");
return -1;
}
if (make_send_message(msg, index, &send) < 0) {
LM_ERR("make message failed\n");
return -1;
}
res = rc_acct_async(rh, SIP_PORT, send, &ctx);
if (res == OK_RC) {
LM_DBG("radius accounting message sent\n");
rctx = pkg_malloc(sizeof(struct rad_ctx));
if (rctx == NULL) {
LM_ERR("no pkg mem\n");
if (send) rc_avpair_free(send);
return -1;
}
rctx->send = send;
rctx->ctx = ctx;
*resume_param = rctx;
*resume_f = resume_send_acct;
async_status = ctx->sockfd;
return 1;
}
if (send) rc_avpair_free(send);
return -1;
}
static int load_user_attrs(struct sip_msg* msg, unsigned long flags, fparam_t* fp)
{
static char rad_msg[4096];
str uid;
UINT4 service;
VALUE_PAIR* send, *received;
send = NULL;
received = NULL;
if (get_str_fparam(&uid, msg, (fparam_t*)fp) < 0) {
ERR("Unable to get UID\n");
return -1;
}
service = vals[V_GET_USER_ATTRS].v;
if (!rc_avpair_add(rh, &send, ATTRID(attrs[A_USER_NAME].v),
uid.s, uid.len,
VENDOR(attrs[A_USER_NAME].v))) {
ERR("Error while adding A_USER_NAME\n");
goto error;
}
if (!rc_avpair_add(rh, &send, ATTRID(attrs[A_SER_SERVICE_TYPE].v),
&vals[V_GET_USER_ATTRS].v, -1,
VENDOR(attrs[A_SER_SERVICE_TYPE].v))) {
ERR("Error adding A_SERVICE_TYPE\n");
goto error;
}
if (rc_auth(rh, 0, send, &received, rad_msg) != OK_RC) {
DBG("load_user_attrs: Failure\n");
goto error;
}
DBG("load_user_attrs: Success\n");
rc_avpair_free(send);
if (generate_avps(flags, received) < 0) {
rc_avpair_free(received);
goto error;
}
rc_avpair_free(received);
return 1;
error:
if (send) rc_avpair_free(send);
if (received) rc_avpair_free(send);
return -1;
}
void free_radius_auth_value_pair(VALUE_PAIR *send, VALUE_PAIR *received, rc_handle *rh)
{
if (send)
rc_avpair_free(send);
if (received)
rc_avpair_free(received);
if (rh)
rc_destroy(rh);
rh = NULL;
}
int process(void *rh, VALUE_PAIR * send, int acct, int nas_port)
{
VALUE_PAIR *received;
char msg[PW_MAX_MSG_SIZE];
char buf[BUF_LEN];
int i, fd;
fd = rc_tls_fd(rh);
if (fd >= 0) {
dup(fd);
close(fd);
}
received = NULL;
if (acct == 0) {
i = rc_auth(rh, nas_port, send, &received, msg);
if (i != OK_RC) {
fprintf(stderr, "tls-restart: error sending 1 (ok)\n");
}
i = rc_auth(rh, nas_port, send, &received, msg);
if (i != OK_RC) {
fprintf(stderr, "tls-restart: error sending 2\n");
exit(2);
}
if (received != NULL) {
printf("%s", rc_avpair_log(rh, received, buf, BUF_LEN));
rc_avpair_free(received);
}
} else {
i = rc_acct(rh, nas_port, send);
}
return (i == OK_RC) ? 0 : 1;
}
static void radius_log(struct ast_event *event)
{
int result = ERROR_RC;
VALUE_PAIR *send = NULL;
struct ast_cel_event_record record = {
.version = AST_CEL_EVENT_RECORD_VERSION,
};
if (ast_cel_fill_record(event, &record)) {
return;
}
if (build_radius_record(&send, &record)) {
ast_debug(1, "Unable to create RADIUS record. CEL not recorded!\n");
goto return_cleanup;
}
result = rc_acct(rh, 0, send);
if (result != OK_RC) {
ast_log(LOG_ERROR, "Failed to record Radius CEL record!\n");
}
return_cleanup:
if (send) {
rc_avpair_free(send);
}
}
int rc_check(char *host, unsigned short port, char *msg)
{
SEND_DATA data;
int result;
UINT4 service_type;
int timeout = rc_conf_int("radius_timeout");
int retries = rc_conf_int("radius_retries");
data.send_pairs = data.receive_pairs = NULL;
/*
* Fill in NAS-IP-Address or NAS-Identifier,
* although it isn't neccessary
*/
if (rc_get_nas_id(&(data.send_pairs)) == ERROR_RC)
return (ERROR_RC);
/*
* Fill in Service-Type
*/
service_type = PW_ADMINISTRATIVE;
rc_avpair_add(&(data.send_pairs), PW_SERVICE_TYPE, &service_type, 0, VENDOR_NONE);
rc_buildreq(&data, PW_STATUS_SERVER, host, port, timeout, retries);
result = rc_send_server (&data, msg, NULL);
rc_avpair_free(data.receive_pairs);
return result;
}
/** Asks the server hostname on the specified port for a status message
*
* @param rh a handle to parsed configuration.
* @param host the name of the server.
* @param secret the secret used by the server.
* @param port the server's port number.
* @param msg must be an array of PW_MAX_MSG_SIZE or NULL; will contain the concatenation of any
* PW_REPLY_MESSAGE received.
* @return OK_RC (0) on success, negative on failure as return value.
*/
int rc_check(rc_handle *rh, char *host, char *secret, unsigned short port, char *msg)
{
SEND_DATA data;
int result;
uint32_t service_type;
int timeout = rc_conf_int(rh, "radius_timeout");
int retries = rc_conf_int(rh, "radius_retries");
rc_type type;
data.send_pairs = data.receive_pairs = NULL;
if (rh->so_type == RC_SOCKET_TLS || rh->so_type == RC_SOCKET_DTLS)
type = AUTH;
else
type = ACCT;
/*
* Fill in Service-Type
*/
service_type = PW_ADMINISTRATIVE;
rc_avpair_add(rh, &(data.send_pairs), PW_SERVICE_TYPE, &service_type, 0, 0);
rc_buildreq(rh, &data, PW_STATUS_SERVER, host, port, secret, timeout, retries);
result = rc_send_server (rh, &data, msg, type);
rc_avpair_free(data.receive_pairs);
return result;
}
/* TODO
* when timeout mechanism will be available
* rc_auth_function shall be called to try another
* destination if the current one has timed out
* */
int resume_send_acct(int fd, struct sip_msg *msg, void *param)
{
int res, retval;
struct rad_ctx *rctx;
rctx = (struct rad_ctx *)param;
if (rctx == NULL) {
LM_ERR("no context given\n");
return -1;
}
res = rc_acct_resume(&rctx->ctx);
if (res == OK_RC || res == REJECT_RC) {
async_status = ASYNC_DONE;
retval = 1;
} else if (res == READBLOCK_RC) {
async_status = ASYNC_CONTINUE;
retval = 1;
goto exit;
} else {
LM_ERR("radius authentication message failed with %s\n",
((res==BADRESP_RC)?"BAD REPLY":"ERROR"));
retval = -1;
}
if (rctx->send) rc_avpair_free(rctx->send);
pkg_free(rctx);
exit:
return retval;
}
int
process(void *rh, VALUE_PAIR *send, int acct, int nas_port, int send_info)
{
VALUE_PAIR *received = NULL;
char buf[BUF_LEN];
RC_AAA_CTX *ctx = NULL;
const unsigned char *p;
int i, j;
received = NULL;
if (acct == 0) {
i = rc_aaa_ctx(rh, &ctx, nas_port, send, &received, NULL, 1, PW_ACCESS_REQUEST);
if (received != NULL) {
printf("%s", rc_avpair_log(rh, received, buf, BUF_LEN));
rc_avpair_free(received);
}
if (ctx) {
if (send_info) {
printf("Request-Info-Secret = %s\n", rc_aaa_ctx_get_secret(ctx));
printf("Request-Info-Vector = ");
p = rc_aaa_ctx_get_vector(ctx);
for (j=0; j<AUTH_VECTOR_LEN; j++) {
printf("%.2x", (unsigned)p[j]);
}
printf("\n");
}
rc_aaa_ctx_free(ctx);
}
} else {
i = rc_acct(rh, nas_port, send);
}
return (i == OK_RC) ? 0 : 1;
}
switch_status_t mod_xml_radius_accounting_end(switch_core_session_t *session){
VALUE_PAIR *send = NULL;
uint32_t service = PW_STATUS_STOP;
rc_handle *new_handle = NULL;
switch_xml_t fields = NULL, conditions = NULL;
switch_channel_t *channel = switch_core_session_get_channel(session);
if (GLOBAL_DEBUG ) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mod_xml_radius: starting accounting stop\n");
switch_core_session_execute_application(session, "info", NULL);
}
/* If there are conditions defined, and none of them pass, then skip this accounting */
if ((conditions = switch_xml_child(globals.acct_start_configs, "conditions")) != NULL &&
mod_xml_radius_check_conditions(channel, conditions) != SWITCH_STATUS_SUCCESS ) {
goto end;
}
if ( mod_xml_radius_new_handle(&new_handle, globals.acct_end_configs) != SWITCH_STATUS_SUCCESS || new_handle == NULL ) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to create new accounting_end handle for call: %s\n",
switch_channel_get_variable(channel, "uuid"));
goto end;
}
if ((fields = switch_xml_child(globals.acct_end_configs, "fields")) == NULL ) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Could not find 'fields' section in config file.\n");
goto end;
}
if ( mod_xml_radius_add_params(session, NULL, new_handle, &send, fields) != SWITCH_STATUS_SUCCESS ) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Failed to add params to rc_handle\n");
goto end;
}
if (rc_avpair_add(new_handle, &send, PW_ACCT_STATUS_TYPE, &service, -1, 0) == NULL) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mod_xml_radius: failed to add option to handle\n");
goto end;
}
if (rc_acct(new_handle, 0, send) == OK_RC) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "mod_xml_radius: Accounting Stop success\n");
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "mod_xml_radius: Accounting Stop failed\n");
}
end:
if ( send ) {
rc_avpair_free(send);
send = NULL;
}
if ( new_handle) {
rc_destroy(new_handle);
new_handle = NULL;
}
return SWITCH_STATUS_SUCCESS;
}
/* skip leading text and begin with first item's
* separator ", " which will be overwritten by the
* leading text later
*
*/
static int log_request(struct sip_msg* rq, str* ouri, struct hdr_field* to, unsigned int code, time_t req_time)
{
VALUE_PAIR *send;
UINT4 av_type;
send = NULL;
if (skip_cancel(rq)) return 1;
if (fmt2rad(log_fmt, rq, ouri, to, code, &send, req_time) < 0) goto error;
/* Add Acct-Status-Type attribute */
av_type = rad_status(rq, code);
if (!rc_avpair_add(rh, &send, ATTRID(attrs[A_ACCT_STATUS_TYPE].v), &av_type, -1,
VENDOR(attrs[A_ACCT_STATUS_TYPE].v))) {
ERR("Add Status-Type\n");
goto error;
}
/* Add Service-Type attribute */
av_type = (service_type != -1) ? service_type : vals[V_SIP_SESSION].v;
if (!rc_avpair_add(rh, &send, ATTRID(attrs[A_SERVICE_TYPE].v), &av_type, -1,
VENDOR(attrs[A_SERVICE_TYPE].v))) {
ERR("add STATUS_TYPE\n");
goto error;
}
/* Add User-Name attribute */
if (add_user_name(rq, rh, &send) < 0) goto error;
/* Send the request out */
if (rc_acct(rh, SIP_PORT, send) != OK_RC) {
ERR("RADIUS accounting request failed\n");
goto error;
}
rc_avpair_free(send);
return 1;
error:
rc_avpair_free(send);
return -1;
}
/*
Radius implementation for the destroy_aaa_message callback
*/
int rad_destroy_message(aaa_conn* rh, aaa_message* message) {
if (!rh || ! message) {
LM_ERR("invalid arguments\n");
return -1;
}
rc_avpair_free((VALUE_PAIR*) message->avpair);
pkg_free(message);
return 0;
}
/*
* Check from Radius if request URI belongs to a local user.
* User-Name is user@host of request Uri and Service-Type is Call-Check.
*/
int radius_does_uri_exist(struct sip_msg* _m, char* _s1, char* _s2)
{
static char msg[4096];
VALUE_PAIR *send, *received;
UINT4 service;
char* at, *uri;
send = received = 0;
if (parse_sip_msg_uri(_m) < 0) {
LM_ERR("parsing URI failed\n");
return -1;
}
uri = (char*)pkg_malloc(_m->parsed_uri.user.len + _m->parsed_uri.host.len + 2);
if (!uri) {
LM_ERR("no more pkg memory\n");
return -2;
}
at = uri;
memcpy(at, _m->parsed_uri.user.s, _m->parsed_uri.user.len);
at += _m->parsed_uri.user.len;
*at = '@';
at++;
memcpy(at , _m->parsed_uri.host.s, _m->parsed_uri.host.len);
at += _m->parsed_uri.host.len;
*at = '\0';
if (!rc_avpair_add(rh, &send, attrs[A_USER_NAME].v, uri, -1, 0)) {
LM_ERR("adding User-Name failed\n");
rc_avpair_free(send);
pkg_free(uri);
return -3;
}
service = vals[V_CALL_CHECK].v;
if (!rc_avpair_add(rh, &send, attrs[A_SERVICE_TYPE].v, &service, -1, 0)) {
LM_ERR("adding service type failed\n");
rc_avpair_free(send);
pkg_free(uri);
return -4;
}
if (rc_auth(rh, 0, send, &received, msg) == OK_RC) {
LM_DBG("success\n");
rc_avpair_free(send);
generate_avps(received);
rc_avpair_free(received);
pkg_free(uri);
return 1;
} else {
LM_DBG("failure\n");
rc_avpair_free(send);
rc_avpair_free(received);
pkg_free(uri);
return -5;
}
}
int send_acct_func(struct sip_msg* msg, str *s) {
int i, index = -1;
VALUE_PAIR *send = NULL;
if (!rh) {
if (init_radius_handle()) {
LM_ERR("invalid radius handle\n");
return -1;
}
}
for (i = 0; i < set_size; i++) {
if (sets[i]->set_name.len == s->len &&
!strncmp(sets[i]->set_name.s, s->s, s->len))
index = i;
}
if (index == -1) {
LM_ERR("set not found\n");
return -1;
}
if (make_send_message(msg, index, &send) < 0) {
LM_ERR("make message failed\n");
return -1;
}
if (rc_acct(rh, SIP_PORT, send) != OK_RC){
if (send) rc_avpair_free(send);
LM_ERR("radius accounting message failed to send\n");
return -1;
}
if (send) rc_avpair_free(send);
return 1;
}
int rc_auth_using_server(SERVER *authserver,
UINT4 client_port,
VALUE_PAIR *send,
VALUE_PAIR **received,
char *msg, REQUEST_INFO *info)
{
SEND_DATA data;
int result;
int i;
int timeout = rc_conf_int("radius_timeout");
int retries = rc_conf_int("radius_retries");
data.send_pairs = send;
data.receive_pairs = NULL;
/*
* Fill in NAS-IP-Address or NAS-Identifier
*/
if (rc_get_nas_id(&(data.send_pairs)) == ERROR_RC)
return (ERROR_RC);
/*
* Fill in NAS-Port
*/
if (rc_avpair_add(&(data.send_pairs), PW_NAS_PORT, &client_port, 0, VENDOR_NONE) == NULL)
return (ERROR_RC);
result = ERROR_RC;
for(i=0; (i<authserver->max) && (result != OK_RC) && (result != BADRESP_RC)
; i++)
{
if (data.receive_pairs != NULL) {
rc_avpair_free(data.receive_pairs);
data.receive_pairs = NULL;
}
rc_buildreq(&data, PW_ACCESS_REQUEST, authserver->name[i],
authserver->port[i], timeout, retries);
result = rc_send_server (&data, msg, info);
}
*received = data.receive_pairs;
return result;
}
/**
* Perform authenticate request.
* @param[in] radh Radius handle.
* @param[out] reply_attr Reply attributes.
* @param[in,out] reply_msg Reply message.
* @return One of ZRAD_* codes.
*/
static zrad_status_t zrad_auth_request(rc_handle *radh, const zrad_auth_req_t *req,
VALUE_PAIR **reply_attrs, char *reply_msg)
{
zrad_status_t ret = ZRAD_OTHER;
VALUE_PAIR *request_attrs = NULL;
int success = rc_avpair_add(radh, &request_attrs, PW_USER_NAME, req->username, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_USER_PASSWORD, req->password, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_NAS_IDENTIFIER, req->nas_id, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_CALLING_STATION_ID, req->calling_station_id, -1, 0);
if (likely(success)) {
ret = (zrad_status_t) rc_auth(radh, 0, request_attrs, reply_attrs, reply_msg);
}
if (likely(request_attrs)) {
rc_avpair_free(request_attrs);
}
return ret;
}
static int radius_log(struct ast_cdr *cdr)
{
int result = ERROR_RC;
VALUE_PAIR *tosend = NULL;
if (build_radius_record(&tosend, cdr)) {
ast_debug(1, "Unable to create RADIUS record. CDR not recorded!\n");
goto return_cleanup;
}
result = rc_acct(rh, 0, tosend);
if (result != OK_RC) {
ast_log(LOG_ERROR, "Failed to record Radius CDR record!\n");
}
return_cleanup:
if (tosend) {
rc_avpair_free(tosend);
}
return result;
}
static void radius_log(struct ast_event *event)
{
int result = ERROR_RC;
VALUE_PAIR *send = NULL;
int ret = 0;
char cdr_full_path[256];
struct ast_cel_event_record record = {
.version = AST_CEL_EVENT_RECORD_VERSION,
};
if (ast_cel_fill_record(event, &record)) {
return;
}
if (build_radius_record(&send, &record)) {
ast_debug(1, "Unable to create RADIUS record. CEL not recorded!\n");
goto return_cleanup;
}
result = rc_acct(rh, 0, send);
if (result != OK_RC) {
ast_log(LOG_ERROR, "Failed to record Radius CEL record! unique_id=%s\n", record.unique_id);
/* file name */
if(record.unique_id && (!ast_strlen_zero(record.unique_id))){
snprintf(cdr_full_path,sizeof(cdr_full_path),"%s/%s",cdr_dir_tmp,record.unique_id);
/* write cdr to file if rc_acct failed */
ret = save_avp_to_file(cdr_full_path,record.unique_id,send);
if(!ret){
ast_log(LOG_ERROR,"Failed to write cdr to file! unique_id=%s\n", record.unique_id);
}
}
goto return_cleanup;
}
return_cleanup:
if (send) {
rc_avpair_free(send);
}
}
/**
* Authenticate and set client info.
* @param[in] session Client session.
* @return Zero on success.
*/
zrad_status_t zradius_session_auth(zscope_t *scope, zsession_t *session)
{
zrad_status_t ret;
VALUE_PAIR *reply_attrs = NULL;
char reply_msg[PW_MAX_MSG_SIZE] = {0};
zclient_rules_t rules;
zclient_rules_init(&rules);
zrad_auth_req_t req;
zrad_auth_prepare(scope, session, &req);
ret = zrad_auth_request(scope->radh, &req, &reply_attrs, reply_msg);
if (unlikely(ZRAD_OK != ret)) {
str_rtrim(reply_msg);
ZLOG(LOG_ERR, "%s: Session authentication failed for %s (code: %s, msg: %s)",
scope->cfg->name, session->ip_str, zrad_decode_state(ret), reply_msg);
goto end;
}
zrad_auth_parse(session, reply_attrs, &rules);
if (unlikely(!rules.have.user_id || !rules.have.login)) {
ZLOG(LOG_ERR, "%s: Session authentication failed for %s (login or user_id not found)",
scope->cfg->name, session->ip_str);
ret = ZRAD_OTHER;
goto end;
}
zscope_session_rules_apply(scope, session, &rules);
zrad_auth_log(scope, session, reply_attrs);
end:
zclient_rules_destroy(&rules);
if (likely(reply_attrs)) rc_avpair_free(reply_attrs);
return ret;
}
/** Get a sequence of attribute value pairs from the file input and make them into a list of value_pairs
*
* @param rh a handle to parsed configuration.
* @param input a %FILE handle.
* @return the array of value pairs.
*/
VALUE_PAIR *rc_avpair_readin(rc_handle const *rh, FILE *input)
{
VALUE_PAIR *vp = NULL;
char buffer[1024], *q;
while (fgets(buffer, sizeof(buffer), input) != NULL)
{
q = buffer;
while(*q && isspace(*q)) q++;
if ((*q == '\n') || (*q == '#') || (*q == '\0'))
continue;
if (rc_avpair_parse(rh, q, &vp) < 0) {
rc_log(LOG_ERR, "rc_avpair_readin: malformed attribute: %s", buffer);
rc_avpair_free(vp);
return NULL;
}
}
return vp;
}
/**
* @param[in] session Session
* @param[in] status Accounting status (PW_STATUS_START, PW_STATUS_STOP, PW_STATUS_ALIVE)
* @param[in] cause Accounting termination cause (used only in case of PW_STATUS_STOP)
* @param[in] req Accounting request data.
*/
static zrad_status_t zrad_acct_request(rc_handle *radh, const zrad_acct_req_t *req)
{
zrad_status_t ret;
VALUE_PAIR *request_attrs = NULL;
int success = rc_avpair_add(radh, &request_attrs, PW_CALLING_STATION_ID, req->calling_station_id, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_AUTHENTIC, &req->authentic, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_FRAMED_IP_ADDRESS, &req->framed_ip_addr, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_USER_NAME, req->username, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_SESSION_ID, req->session_id, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_NAS_IDENTIFIER, req->nas_id, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_INPUT_OCTETS, &req->octets_down, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_INPUT_PACKETS, &req->packets_down, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_OUTPUT_OCTETS, &req->octets_up, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_OUTPUT_PACKETS, &req->packets_down, -1, 0)
&& (!req->gigawords_down ||
rc_avpair_add(radh, &request_attrs, PW_ACCT_OUTPUT_GIGAWORDS, &req->gigawords_up, -1, 0))
&& (!req->gigawords_down ||
rc_avpair_add(radh, &request_attrs, PW_ACCT_INPUT_GIGAWORDS, &req->gigawords_down, -1, 0))
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_STATUS_TYPE, &req->status, -1, 0);
if (success && PW_STATUS_STOP == req->status) {
success = success
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_SESSION_TIME, &req->session_time, -1, 0)
&& rc_avpair_add(radh, &request_attrs, PW_ACCT_TERMINATE_CAUSE, &req->term_cause, -1, 0);
}
if (likely(success)) {
ret = (zrad_status_t) rc_acct(radh, 0, request_attrs);
} else {
ret = ZRAD_OTHER;
}
if (likely(request_attrs)) rc_avpair_free(request_attrs);
return ret;
}
int send_auth_func(struct sip_msg* msg, str* s1, str* s2) {
int i, res;
int index1 = -1, index2 = -1;
map_list *mp;
pv_value_t pvt;
char mess[1024];
VALUE_PAIR *send = NULL, *recv = NULL, *vp = NULL;
if (!rh) {
if (init_radius_handle()) {
LM_ERR("invalid radius handle\n");
return -1;
}
}
for (i = 0; i < set_size; i++) {
if (sets[i]->set_name.len == s1->len &&
!strncmp(sets[i]->set_name.s, s1->s, s1->len))
index1 = i;
if (sets[i]->set_name.len == s2->len &&
!strncmp(sets[i]->set_name.s, s2->s, s2->len))
index2 = i;
}
if (index1 == -1) {
LM_ERR("the first set was not found\n");
return -1;
}
if (index2 == -1) {
LM_ERR("the second set was not found\n");
return -1;
}
if (make_send_message(msg, index1, &send) < 0) {
LM_ERR("make message failed\n");
return -1;
}
res = rc_auth(rh, SIP_PORT, send, &recv, mess);
if (res!=OK_RC && res!=BADRESP_RC) {
LM_ERR("radius authentication message failed with %s\n",
(res==TIMEOUT_RC)?"TIMEOUT":"ERROR");
}else{
LM_DBG("radius authentication message sent\n");
}
for ( mp=sets[index2]->parsed; mp ; mp = mp->next) {
vp = recv;
while ( (vp=rc_avpair_get(vp, ATTRID(mp->value), VENDOR(mp->value)))!=NULL ) {
memset(&pvt, 0, sizeof(pv_value_t));
if (vp->type == PW_TYPE_INTEGER) {
pvt.flags = PV_VAL_INT|PV_TYPE_INT;
pvt.ri = vp->lvalue;
}
else
if (vp->type == PW_TYPE_STRING) {
pvt.flags = PV_VAL_STR;
pvt.rs.s = vp->strvalue;
pvt.rs.len = vp->lvalue;
}
if (pv_set_value(msg, mp->pv, (int)EQ_T, &pvt) < 0) {
LM_ERR("setting avp failed....skipping\n");
}
vp = fetch_all_values ? vp->next : NULL;
}
}
vp = recv;
if (attr)
for(; (vp = rc_avpair_get(vp, attr->value, 0)); vp = vp->next)
extract_avp(vp);
if ( res!=OK_RC && res!=BADRESP_RC)
goto error;
if (send) rc_avpair_free(send);
if (recv) rc_avpair_free(recv);
return (res==OK_RC)?1:-2;
error:
if (send) rc_avpair_free(send);
if (recv) rc_avpair_free(recv);
return -1;
}
/*
* This function creates and submits radius authentication request as per
* draft-sterman-aaa-sip-00.txt. In addition, _user parameter is included
* in the request as value of a SER specific attribute type SIP-URI-User,
* which can be be used as a check item in the request. Service type of
* the request is Authenticate-Only.
*/
int radius_authorize_sterman(struct sip_msg* _msg, dig_cred_t* _cred, str* _method, str* _user, str* _rpid)
{
static char msg[4096];
VALUE_PAIR *send, *received, *vp;
UINT4 service;
str method, user, user_name, callid;
int i;
send = received = 0;
if (!(_cred && _method && _user && _rpid)) {
LOG(L_ERR, "radius_authorize_sterman(): Invalid parameter value\n");
return -1;
}
method = *_method;
user = *_user;
/*
* Add all the user digest parameters according to the qop defined.
* Most devices tested only offer support for the simplest digest.
*/
if (_cred->username.domain.len) {
if (!rc_avpair_add(rh, &send, attrs[A_USER_NAME].v, _cred->username.whole.s, _cred->username.whole.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add User-Name attribute\n");
rc_avpair_free(send);
return -2;
}
} else {
user_name.len = _cred->username.user.len + _cred->realm.len + 1;
user_name.s = pkg_malloc(user_name.len);
if (!user_name.s) {
LOG(L_ERR, "radius_authorize_sterman(): No memory left\n");
return -3;
}
memcpy(user_name.s, _cred->username.whole.s, _cred->username.whole.len);
user_name.s[_cred->username.whole.len] = '@';
memcpy(user_name.s + _cred->username.whole.len + 1, _cred->realm.s, _cred->realm.len);
if (!rc_avpair_add(rh, &send, attrs[A_USER_NAME].v, user_name.s, user_name.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add User-Name attribute\n");
pkg_free(user_name.s);
rc_avpair_free(send);
return -4;
}
pkg_free(user_name.s);
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_USER_NAME].v, _cred->username.whole.s, _cred->username.whole.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-User-Name attribute\n");
rc_avpair_free(send);
return -5;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_REALM].v, _cred->realm.s, _cred->realm.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-Realm attribute\n");
rc_avpair_free(send);
return -6;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_NONCE].v, _cred->nonce.s, _cred->nonce.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-Nonce attribute\n");
rc_avpair_free(send);
return -7;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_URI].v, _cred->uri.s, _cred->uri.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-URI attribute\n");
rc_avpair_free(send);
return -8;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_METHOD].v, method.s, method.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-Method attribute\n");
rc_avpair_free(send);
return -9;
}
/*
* Add the additional authentication fields according to the QOP.
*/
if (_cred->qop.qop_parsed == QOP_AUTH) {
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_QOP].v, "auth", 4, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-QOP attribute\n");
rc_avpair_free(send);
return -10;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_NONCE_COUNT].v, _cred->nc.s, _cred->nc.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-CNonce-Count attribute\n");
rc_avpair_free(send);
return -11;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_CNONCE].v, _cred->cnonce.s, _cred->cnonce.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-CNonce attribute\n");
rc_avpair_free(send);
return -12;
}
} else if (_cred->qop.qop_parsed == QOP_AUTHINT) {
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_QOP].v, "auth-int", 8, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-QOP attribute\n");
rc_avpair_free(send);
return -13;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_NONCE_COUNT].v, _cred->nc.s, _cred->nc.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-Nonce-Count attribute\n");
rc_avpair_free(send);
return -14;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_CNONCE].v, _cred->cnonce.s, _cred->cnonce.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-CNonce attribute\n");
rc_avpair_free(send);
return -15;
}
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_BODY_DIGEST].v, _cred->opaque.s, _cred->opaque.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-Body-Digest attribute\n");
rc_avpair_free(send);
return -16;
}
} else {
/* send nothing for qop == "" */
}
/* Add the response... What to calculate against... */
if (!rc_avpair_add(rh, &send, attrs[A_DIGEST_RESPONSE].v, _cred->response.s, _cred->response.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Digest-Response attribute\n");
rc_avpair_free(send);
return -17;
}
/* Indicate the service type, Authenticate only in our case */
service = vals[V_SIP_SESSION].v;
if (!rc_avpair_add(rh, &send, attrs[A_SERVICE_TYPE].v, &service, -1, 0)) {
LOG(L_ERR, "sterman(): Unable to add Service-Type attribute\n");
rc_avpair_free(send);
return -18;
}
/* Add SIP URI as a check item */
if (!rc_avpair_add(rh, &send, attrs[A_SIP_URI_USER].v, user.s, user.len, 0)) {
LOG(L_ERR, "sterman(): Unable to add Sip-URI-User attribute\n");
rc_avpair_free(send);
return -19;
}
if (attrs[A_CISCO_AVPAIR].n != NULL) {
/* Add SIP Call-ID as a Cisco VSA, like IOS does */
if (_msg->callid == NULL || _msg->callid->body.s == NULL) {
LOG(L_ERR, "sterman(): Call-ID is missed\n");
rc_avpair_free(send);
return -20;
}
callid.len = _msg->callid->body.len + 8;
callid.s = alloca(callid.len);
if (callid.s == NULL) {
LOG(L_ERR, "sterman(): No memory left\n");
rc_avpair_free(send);
return -21;
}
memcpy(callid.s, "call-id=", 8);
memcpy(callid.s + 8, _msg->callid->body.s, _msg->callid->body.len);
if (rc_avpair_add(rh, &send, attrs[A_CISCO_AVPAIR].v, callid.s,
callid.len, VENDOR(attrs[A_CISCO_AVPAIR].v)) == 0) {
LOG(L_ERR, "sterman(): Unable to add Cisco-AVPair attribute\n");
rc_avpair_free(send);
return -22;
}
}
/* Send request */
if ((i = rc_auth(rh, SIP_PORT, send, &received, msg)) == OK_RC) {
DBG("radius_authorize_sterman(): Success\n");
rc_avpair_free(send);
/* Make a copy of rpid if available */
if ((vp = rc_avpair_get(received, attrs[A_SIP_RPID].v, 0))) {
if (MAX_RPID_LEN < vp->lvalue) {
LOG(L_ERR, "radius_authorize_sterman(): rpid buffer too small\n");
return -23;
}
memcpy(_rpid->s, vp->strvalue, vp->lvalue);
_rpid->len = vp->lvalue;
}
rc_avpair_free(received);
return 1;
} else {
DBG("res: %d\n", i);
DBG("radius_authorize_sterman(): Failure\n");
rc_avpair_free(send);
rc_avpair_free(received);
return -24;
}
}
/**
* Authenticate and set client info.
* @param[in] sess Client session.
* @return Zero on success (or one of *_RC).
*/
static int session_authenticate(struct zsession *sess)
{
int ret = OTHER_RC;
VALUE_PAIR *request_attrs = NULL, *response_attrs = NULL, *attrs = NULL;
char msg[8192]; // WARNING: libfreeradius-client has unsafe working with this buffer.
rc_handle *rh = zinst()->radh;
struct in_addr ip_addr;
char ip_str[INET_ADDRSTRLEN];
struct zcrules rules;
crules_init(&rules);
ip_addr.s_addr = htonl(sess->ip);
if (unlikely(NULL == inet_ntop(AF_INET, &ip_addr, ip_str, sizeof(ip_str)))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_USER_NAME, ip_str, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_USER_PASSWORD, "", -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_NAS_IDENTIFIER, zcfg()->radius_nas_identifier, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_CALLING_STATION_ID, ip_str, -1, 0))) {
goto end;
}
ret = rc_auth(rh, 0, request_attrs, &response_attrs, msg);
if (OK_RC != ret) {
ZERO_LOG(LOG_ERR, "Session authentication failed for %s (code:%d)", ip_str, ret);
goto end;
}
attrs = response_attrs;
while (likely(NULL != attrs)) {
switch (attrs->attribute) {
case PW_FILTER_ID:
crules_parse(&rules, attrs->strvalue);
break;
case PW_SESSION_TIMEOUT:
atomic_store_explicit(&sess->max_duration, SEC2USEC(attrs->lvalue), memory_order_release);
break;
case PW_ACCT_INTERIM_INTERVAL:
atomic_store_explicit(&sess->acct_interval, SEC2USEC(attrs->lvalue), memory_order_release);
break;
}
attrs = attrs->next;
}
if (likely(rules.have.user_id && rules.have.login)) {
struct zclient *client = sess->client;
client_db_find_or_set_id(zinst()->client_db, rules.user_id, &client);
if (client != sess->client) {
// found
pthread_rwlock_wrlock(&sess->lock_client);
atomic_fetch_add_explicit(&client->refcnt, 1, memory_order_relaxed);
client_release(sess->client);
sess->client = client;
client_session_add(sess->client, sess);
pthread_rwlock_unlock(&sess->lock_client);
} else {
client_apply_rules(sess->client, &rules);
}
atomic_fetch_sub_explicit(&zinst()->unauth_sessions_cnt, 1, memory_order_release);
// log successful authentication
{
UT_string rules_str;
utstring_init(&rules_str);
utstring_reserve(&rules_str, 1024);
attrs = response_attrs;
while (likely(NULL != attrs)) {
switch (attrs->attribute) {
case PW_FILTER_ID:
utstring_printf(&rules_str, " %s", attrs->strvalue);
break;
default:
break;
}
attrs = attrs->next;
}
zero_syslog(LOG_INFO, "Authenticated session %s (rules:%s)", ip_str, utstring_body(&rules_str));
utstring_done(&rules_str);
}
} else {
ret = OTHER_RC;
ZERO_LOG(LOG_ERR, "Session authentication failed for %s (code:%d)", ip_str, ret);
}
end:
crules_free(&rules);
if (request_attrs) rc_avpair_free(request_attrs);
if (response_attrs) rc_avpair_free(response_attrs);
return ret;
}
/**
* Send radius accounting packet.
* @param[in] sess Session
* @param[in] status Accounting status (PW_STATUS_START, PW_STATUS_STOP, PW_STATUS_ALIVE)
* @param[in] cause Accounting termination cause (used only in case of PW_STATUS_STOP)
* @return Zero on success (one of *_RC codes).
*/
static int session_accounting(struct zsession *sess, uint32_t status, uint32_t term_cause)
{
int ret = OTHER_RC;
VALUE_PAIR *request_attrs = NULL;
rc_handle *rh = zinst()->radh;
struct in_addr ip_addr;
char ip_str[INET_ADDRSTRLEN];
uint64_t traff_down = atomic_load_explicit(&sess->traff_down, memory_order_acquire);
uint64_t traff_up = atomic_load_explicit(&sess->traff_up, memory_order_acquire);
uint32_t octets_down = (uint32_t) (traff_down % UINT32_MAX);
uint32_t octets_up = (uint32_t) (traff_up % UINT32_MAX);
uint32_t packets_down = atomic_load_explicit(&sess->packets_down, memory_order_acquire) % UINT32_MAX;
uint32_t packets_up = atomic_load_explicit(&sess->packets_up, memory_order_acquire) % UINT32_MAX;
uint32_t gigawords_down = 0;
uint32_t gigawords_up = 0;
char session_id[255];
snprintf(session_id, sizeof(session_id), "%s-%" PRIu32, sess->client->login, sess->ip);
ip_addr.s_addr = htonl(sess->ip);
if (unlikely(NULL == inet_ntop(AF_INET, &ip_addr, ip_str, sizeof(ip_str)))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_CALLING_STATION_ID, ip_str, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_FRAMED_IP_ADDRESS, &sess->ip, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_USER_NAME, sess->client->login, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_SESSION_ID, session_id, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_NAS_IDENTIFIER, zcfg()->radius_nas_identifier, -1, 0))) {
goto end;
}
if (PW_STATUS_STOP == status) {
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_TERMINATE_CAUSE, &term_cause, -1, 0))) {
goto end;
}
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_STATUS_TYPE, &status, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_INPUT_OCTETS, &octets_down, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_INPUT_PACKETS, &packets_down, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_OUTPUT_OCTETS, &octets_up, -1, 0))) {
goto end;
}
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_OUTPUT_PACKETS, &packets_down, -1, 0))) {
goto end;
}
if (unlikely(UINT32_MAX < traff_down)) {
gigawords_down = (uint32_t) (traff_down / UINT32_MAX);
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_INPUT_GIGAWORDS, &gigawords_down, -1, 0))) {
goto end;
}
}
if (unlikely(UINT32_MAX < traff_up)) {
gigawords_up = (uint32_t) (traff_up / UINT32_MAX);
if (unlikely(NULL == rc_avpair_add(rh, &request_attrs, PW_ACCT_OUTPUT_GIGAWORDS, &gigawords_up, -1, 0))) {
goto end;
}
}
ret = rc_acct(rh, 0, request_attrs);
if (unlikely(OK_RC != ret)) {
ZERO_LOG(LOG_ERR, "radius accounting failed %s (code:%d)", ip_str, ret);
goto end;
}
atomic_fetch_sub_explicit(&sess->traff_down, traff_down, memory_order_release);
atomic_fetch_sub_explicit(&sess->traff_up, traff_up, memory_order_release);
atomic_fetch_sub_explicit(&sess->packets_down, packets_down, memory_order_release);
atomic_fetch_sub_explicit(&sess->packets_up, packets_up, memory_order_release);
end:
if (request_attrs) {
rc_avpair_free(request_attrs);
}
return ret;
}
/*
* Check from Radius if URI user given as argument belongs to a local user.
* If so, loads AVPs based on reply items returned from Radius.
*/
int radius_does_uri_user_exist(struct sip_msg* _m, str user)
{
static char msg[4096];
VALUE_PAIR *send, *received;
uint32_t service;
int res, extra_cnt, offset, i;
send = received = 0;
if (!rc_avpair_add(rh, &send, uri_attrs[SA_USER_NAME].v,
user.s, user.len, 0)) {
LM_ERR("in adding SA_USER_NAME\n");
return -1;
}
service = uri_vals[UV_CALL_CHECK].v;
if (!rc_avpair_add(rh, &send, uri_attrs[SA_SERVICE_TYPE].v,
&service, -1, 0)) {
LM_ERR("in adding SA_SERVICE_TYPE <%u>\n", service);
goto error;
}
/* Add extra attributes */
extra_cnt = extra2strar(uri_extra, _m, val_arr);
if (extra_cnt == -1) {
LM_ERR("in getting values of group extra attributes\n");
goto error;
}
offset = SA_STATIC_MAX;
for (i = 0; i < extra_cnt; i++) {
if (val_arr[i].len == -1) {
/* Add integer attribute */
ADD_EXTRA_AVPAIR(uri_attrs, offset+i,
&(val_arr[i].s), val_arr[i].len );
} else {
/* Add string attribute */
ADD_EXTRA_AVPAIR(uri_attrs, offset+i,
val_arr[i].s, val_arr[i].len );
}
}
if ((res = rc_auth(rh, 0, send, &received, msg)) == OK_RC) {
LM_DBG("success\n");
rc_avpair_free(send);
generate_avps(uri_attrs, received);
rc_avpair_free(received);
return 1;
} else {
rc_avpair_free(send);
rc_avpair_free(received);
#ifdef REJECT_RC
if (res == REJECT_RC) {
LM_DBG("rejected\n");
return -1;
} else {
LM_ERR("failure\n");
return -2;
}
#else
LM_DBG("failure\n");
return -1;
#endif
}
error:
rc_avpair_free(send);
return -1;
}
/*
* Check from Radius if URI, whose user and host parts are given as
* arguments, exists. If so, loads AVPs based on reply items returned
* from Radius. If use_sip_uri_host module parameter has non-zero value,
* user is send in SA_USER_NAME attribute and host in SA_SIP_URI_HOST
* attribute. If is has zero value, user@host is send in SA_USER_NAME
* attribute.
*/
int radius_does_uri_user_host_exist(struct sip_msg* _m, str user, str host)
{
char* at, *user_host;
VALUE_PAIR *send, *received;
uint32_t service;
static char msg[4096];
int extra_cnt, offset, i, res;
send = received = 0;
user_host = 0;
if (!use_sip_uri_host) {
/* Send user@host in SA_USER_NAME attr */
user_host = (char*)pkg_malloc(user.len + host.len + 2);
if (!user_host) {
LM_ERR("no more pkg memory\n");
return -1;
}
at = user_host;
memcpy(at, user.s, user.len);
at += user.len;
*at = '@';
at++;
memcpy(at , host.s, host.len);
at += host.len;
*at = '\0';
if (!rc_avpair_add(rh, &send, uri_attrs[SA_USER_NAME].v, user_host,
-1, 0)) {
LM_ERR("in adding SA_USER_NAME\n");
pkg_free(user_host);
return -1;
}
} else {
/* Send user in SA_USER_NAME attribute and host in SA_SIP_URI_HOST
attribute */
if (!rc_avpair_add(rh, &send, uri_attrs[SA_USER_NAME].v,
user.s, user.len, 0)) {
LM_ERR("adding User-Name failed\n");
return -1;
}
if (!rc_avpair_add(rh, &send, uri_attrs[SA_SIP_URI_HOST].v,
host.s, host.len, 0)) {
LM_ERR("adding SIP-URI-Host failed\n");
goto error;
}
}
service = uri_vals[UV_CALL_CHECK].v;
if (!rc_avpair_add(rh, &send, uri_attrs[SA_SERVICE_TYPE].v,
&service, -1, 0)) {
LM_ERR("in adding SA_SERVICE_TYPE <%u>\n", service);
goto error;
}
/* Add extra attributes */
extra_cnt = extra2strar(uri_extra, _m, val_arr);
if (extra_cnt == -1) {
LM_ERR("in getting values of group extra attributes\n");
goto error;
}
offset = SA_STATIC_MAX;
for (i = 0; i < extra_cnt; i++) {
if (val_arr[i].len == -1) {
/* Add integer attribute */
ADD_EXTRA_AVPAIR(uri_attrs, offset+i,
&(val_arr[i].s), val_arr[i].len );
} else {
/* Add string attribute */
ADD_EXTRA_AVPAIR(uri_attrs, offset+i,
val_arr[i].s, val_arr[i].len );
}
}
if ((res = rc_auth(rh, 0, send, &received, msg)) == OK_RC) {
LM_DBG("success\n");
if (user_host) pkg_free(user_host);
rc_avpair_free(send);
generate_avps(uri_attrs, received);
rc_avpair_free(received);
return 1;
} else {
if (user_host) pkg_free(user_host);
rc_avpair_free(send);
rc_avpair_free(received);
#ifdef REJECT_RC
if (res == REJECT_RC) {
LM_DBG("rejected\n");
return -1;
} else {
LM_ERR("failure\n");
return -2;
}
#else
LM_DBG("failure\n");
return -1;
#endif
}
error:
rc_avpair_free(send);
if (user_host) pkg_free(user_host);
return -1;
}
/*
* Check from Radius if a user belongs to a group. User-Name is given in
* first string argment that may contain pseudo variables. SIP-Group is
* given in second string variable that may not contain pseudo variables.
* Service-Type is Group-Check.
*/
int radius_is_user_in(struct sip_msg* _m, char* _user, char* _group)
{
str user, *group;
VALUE_PAIR *send, *received;
uint32_t service;
static char msg[4096];
int extra_cnt, offset, i, res;
send = received = 0;
if ((_user == NULL) ||
(fixup_get_svalue(_m, (gparam_p)_user, &user) != 0)) {
LM_ERR("invalid user parameter");
return -1;
}
if (!rc_avpair_add(rh, &send, group_attrs[SA_USER_NAME].v,
user.s, user.len, 0)) {
LM_ERR("in adding SA_USER_NAME\n");
return -1;
}
group = (str*)_group;
if ((group == NULL) || (group->len == 0)) {
LM_ERR("invalid group parameter");
goto error;
}
if (!rc_avpair_add(rh, &send, group_attrs[SA_SIP_GROUP].v,
group->s, group->len, 0)) {
LM_ERR("in adding SA_SIP_GROUP\n");
goto error;
}
service = group_vals[GV_GROUP_CHECK].v;
if (!rc_avpair_add(rh, &send, group_attrs[SA_SERVICE_TYPE].v,
&service, -1, 0)) {
LM_ERR("in adding SA_SERVICE_TYPE <%u>\n", service);
goto error;
}
/* Add extra attributes */
extra_cnt = extra2strar(group_extra, _m, val_arr);
if (extra_cnt == -1) {
LM_ERR("in getting values of group extra attributes\n");
goto error;
}
offset = SA_STATIC_MAX;
for (i = 0; i < extra_cnt; i++) {
if (val_arr[i].len == -1) {
/* Add integer attribute */
ADD_EXTRA_AVPAIR(group_attrs, offset+i,
&(val_arr[i].s), val_arr[i].len );
} else {
/* Add string attribute */
ADD_EXTRA_AVPAIR(group_attrs, offset+i,
val_arr[i].s, val_arr[i].len );
}
}
if ((res = rc_auth(rh, 0, send, &received, msg)) == OK_RC) {
LM_DBG("success\n");
rc_avpair_free(send);
generate_avps(group_attrs, received);
rc_avpair_free(received);
return 1;
} else {
rc_avpair_free(send);
rc_avpair_free(received);
#ifdef REJECT_RC
if (res == REJECT_RC) {
LM_DBG("rejected\n");
return -1;
} else {
LM_ERR("failure\n");
return -2;
}
#else
LM_DBG("failure\n");
return -1;
#endif
}
error:
rc_avpair_free(send);
return -1;
}