sysmocom
/
open5gs
forked from acouzens/open5gs
11
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
open5gs/src/amf/amf-sm.c

730 lines
25 KiB
C
Raw Blame History

/*
* Copyright (C) 2019,2020 by Sukchan Lee <acetcom@gmail.com>
*
* This file is part of Open5GS.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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, see <https://www.gnu.org/licenses/>.
*/
#include "sbi-path.h"
#include "ngap-path.h"
#include "nas-path.h"
#include "nnrf-handler.h"
#include "namf-handler.h"
#include "nsmf-handler.h"
#include "nas-security.h"
void amf_state_initial(ogs_fsm_t *s, amf_event_t *e)
{
amf_sm_debug(e);
ogs_assert(s);
OGS_FSM_TRAN(s, &amf_state_operational);
}
void amf_state_final(ogs_fsm_t *s, amf_event_t *e)
{
amf_sm_debug(e);
ogs_assert(s);
}
void amf_state_operational(ogs_fsm_t *s, amf_event_t *e)
{
int rv;
char buf[OGS_ADDRSTRLEN];
const char *api_version = NULL;
ogs_sock_t *sock = NULL;
ogs_sockaddr_t *addr = NULL;
amf_gnb_t *gnb = NULL;
uint16_t max_num_of_ostreams = 0;
ogs_ngap_message_t ngap_message;
ogs_pkbuf_t *pkbuf = NULL;
int rc;
ogs_nas_5gs_message_t nas_message;
ran_ue_t *ran_ue = NULL;
amf_ue_t *amf_ue = NULL;
amf_sess_t *sess = NULL;
ogs_sbi_object_t *sbi_object = NULL;
ogs_sbi_xact_t *sbi_xact = NULL;
int state = AMF_UPDATE_SM_CONTEXT_NO_STATE;
ogs_sbi_session_t *session = NULL;
ogs_sbi_request_t *sbi_request = NULL;
ogs_sbi_nf_instance_t *nf_instance = NULL;
ogs_sbi_subscription_t *subscription = NULL;
ogs_sbi_response_t *sbi_response = NULL;
ogs_sbi_message_t sbi_message;
amf_sm_debug(e);
ogs_assert(s);
switch (e->id) {
case OGS_FSM_ENTRY_SIG:
rv = amf_sbi_open();
if (rv != OGS_OK) {
ogs_fatal("Can't establish SBI path");
}
rv = ngap_open();
if (rv != OGS_OK) {
ogs_error("Can't establish NGAP path");
break;
}
break;
case OGS_FSM_EXIT_SIG:
ngap_close();
amf_sbi_close();
break;
case AMF_EVT_SBI_SERVER:
sbi_request = e->sbi.request;
ogs_assert(sbi_request);
session = e->sbi.session;
ogs_assert(session);
rv = ogs_sbi_parse_request(&sbi_message, sbi_request);
if (rv != OGS_OK) {
/* 'sbi_message' buffer is released in ogs_sbi_parse_request() */
ogs_error("cannot parse HTTP sbi_message");
ogs_sbi_server_send_error(session, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
NULL, "cannot parse HTTP sbi_message", NULL);
break;
}
SWITCH(sbi_message.h.service.name)
CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM)
api_version = OGS_SBI_API_V2;
break;
DEFAULT
api_version = OGS_SBI_API_V1;
END
ogs_assert(api_version);
if (strcmp(sbi_message.h.api.version, api_version) != 0) {
ogs_error("Not supported version [%s]", sbi_message.h.api.version);
ogs_sbi_server_send_error(session, OGS_SBI_HTTP_STATUS_BAD_REQUEST,
&sbi_message, "Not supported version", NULL);
ogs_sbi_message_free(&sbi_message);
break;
}
SWITCH(sbi_message.h.service.name)
CASE(OGS_SBI_SERVICE_NAME_NNRF_NFM)
SWITCH(sbi_message.h.resource.component[0])
CASE(OGS_SBI_RESOURCE_NAME_NF_STATUS_NOTIFY)
SWITCH(sbi_message.h.method)
CASE(OGS_SBI_HTTP_METHOD_POST)
amf_nnrf_handle_nf_status_notify(session, &sbi_message);
break;
DEFAULT
ogs_error("Invalid HTTP method [%s]",
sbi_message.h.method);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_FORBIDDEN,
&sbi_message,
"Invalid HTTP method", sbi_message.h.method);
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[0]);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"Invalid resource name",
sbi_message.h.resource.component[0]);
END
break;
CASE(OGS_SBI_SERVICE_NAME_NUDM_UECM)
SWITCH(sbi_message.h.resource.component[1])
CASE(OGS_SBI_RESOURCE_NAME_DEREG_NOTIFY)
SWITCH(sbi_message.h.method)
CASE(OGS_SBI_HTTP_METHOD_POST)
ogs_error("Dereg-notify Not implemented");
break;
DEFAULT
ogs_error("Invalid HTTP method [%s]",
sbi_message.h.method);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_FORBIDDEN,
&sbi_message,
"Invalid HTTP method", sbi_message.h.method);
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[0]);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"Invalid resource name",
sbi_message.h.resource.component[0]);
END
break;
CASE(OGS_SBI_SERVICE_NAME_NAMF_COMM)
SWITCH(sbi_message.h.resource.component[0])
CASE(OGS_SBI_RESOURCE_NAME_UE_CONTEXTS)
SWITCH(sbi_message.h.resource.component[2])
CASE(OGS_SBI_RESOURCE_NAME_N1_N2_MESSAGES)
SWITCH(sbi_message.h.method)
CASE(OGS_SBI_HTTP_METHOD_POST)
rv = amf_namf_comm_handle_n1_n2_message_transfer(
session, &sbi_message);
if (rv != OGS_OK) {
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"No N1N2MessageTransferReqData", NULL);
}
break;
DEFAULT
ogs_error("Invalid HTTP method [%s]",
sbi_message.h.method);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_FORBIDDEN, &sbi_message,
"Invalid HTTP method", sbi_message.h.method);
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[2]);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"Invalid resource name",
sbi_message.h.resource.component[2]);
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[0]);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"Invalid resource name",
sbi_message.h.resource.component[0]);
END
break;
CASE(OGS_SBI_SERVICE_NAME_NAMF_CALLBACK)
SWITCH(sbi_message.h.resource.component[1])
CASE(OGS_SBI_RESOURCE_NAME_SM_CONTEXT_STATUS)
amf_namf_callback_handle_sm_context_status(
session, &sbi_message);
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[1]);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"Invalid resource name",
sbi_message.h.resource.component[1]);
END
break;
DEFAULT
ogs_error("Invalid API name [%s]", sbi_message.h.service.name);
ogs_sbi_server_send_error(session,
OGS_SBI_HTTP_STATUS_BAD_REQUEST, &sbi_message,
"Invalid API name", sbi_message.h.resource.component[0]);
END
/* In lib/sbi/server.c, notify_completed() releases 'request' buffer. */
ogs_sbi_message_free(&sbi_message);
break;
case AMF_EVT_SBI_CLIENT:
ogs_assert(e);
sbi_response = e->sbi.response;
ogs_assert(sbi_response);
rv = ogs_sbi_parse_response(&sbi_message, sbi_response);
if (rv != OGS_OK) {
ogs_error("cannot parse HTTP response");
ogs_sbi_message_free(&sbi_message);
ogs_sbi_response_free(sbi_response);
break;
}
SWITCH(sbi_message.h.service.name)
CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM)
api_version = OGS_SBI_API_V2;
break;
DEFAULT
api_version = OGS_SBI_API_V1;
END
ogs_assert(api_version);
if (strcmp(sbi_message.h.api.version, api_version) != 0) {
ogs_error("Not supported version [%s]", sbi_message.h.api.version);
ogs_sbi_message_free(&sbi_message);
ogs_sbi_response_free(sbi_response);
break;
}
SWITCH(sbi_message.h.service.name)
CASE(OGS_SBI_SERVICE_NAME_NNRF_NFM)
SWITCH(sbi_message.h.resource.component[0])
CASE(OGS_SBI_RESOURCE_NAME_NF_INSTANCES)
nf_instance = e->sbi.data;
ogs_assert(nf_instance);
ogs_assert(OGS_FSM_STATE(&nf_instance->sm));
e->sbi.message = &sbi_message;
ogs_fsm_dispatch(&nf_instance->sm, e);
break;
CASE(OGS_SBI_RESOURCE_NAME_SUBSCRIPTIONS)
subscription = e->sbi.data;
ogs_assert(subscription);
SWITCH(sbi_message.h.method)
CASE(OGS_SBI_HTTP_METHOD_POST)
if (sbi_message.res_status == OGS_SBI_HTTP_STATUS_CREATED ||
sbi_message.res_status == OGS_SBI_HTTP_STATUS_OK) {
amf_nnrf_handle_nf_status_subscribe(
subscription, &sbi_message);
} else {
ogs_error("[%s] HTTP response error [%d]",
subscription->id, sbi_message.res_status);
}
break;
CASE(OGS_SBI_HTTP_METHOD_DELETE)
if (sbi_message.res_status ==
OGS_SBI_HTTP_STATUS_NO_CONTENT) {
ogs_sbi_subscription_remove(subscription);
} else {
ogs_error("[%s] HTTP response error [%d]",
subscription->id, sbi_message.res_status);
}
break;
DEFAULT
ogs_error("Invalid HTTP method [%s]", sbi_message.h.method);
ogs_assert_if_reached();
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[0]);
ogs_assert_if_reached();
END
break;
CASE(OGS_SBI_SERVICE_NAME_NNRF_DISC)
SWITCH(sbi_message.h.resource.component[0])
CASE(OGS_SBI_RESOURCE_NAME_NF_INSTANCES)
sbi_xact = e->sbi.data;
ogs_assert(sbi_xact);
SWITCH(sbi_message.h.method)
CASE(OGS_SBI_HTTP_METHOD_GET)
if (sbi_message.res_status == OGS_SBI_HTTP_STATUS_OK)
amf_nnrf_handle_nf_discover(sbi_xact, &sbi_message);
else
ogs_error("HTTP response error [%d]",
sbi_message.res_status);
break;
DEFAULT
ogs_error("Invalid HTTP method [%s]", sbi_message.h.method);
ogs_assert_if_reached();
END
break;
DEFAULT
ogs_error("Invalid resource name [%s]",
sbi_message.h.resource.component[0]);
ogs_assert_if_reached();
END
break;
CASE(OGS_SBI_SERVICE_NAME_NAUSF_AUTH)
CASE(OGS_SBI_SERVICE_NAME_NUDM_UECM)
CASE(OGS_SBI_SERVICE_NAME_NUDM_SDM)
sbi_xact = e->sbi.data;
ogs_assert(sbi_xact);
amf_ue = (amf_ue_t *)sbi_xact->sbi_object;
ogs_assert(amf_ue);
amf_ue = amf_ue_cycle(amf_ue);
ogs_assert(amf_ue);
ogs_assert(OGS_FSM_STATE(&amf_ue->sm));
e->amf_ue = amf_ue;
e->sbi.message = &sbi_message;;
ogs_sbi_xact_remove(sbi_xact);
ogs_fsm_dispatch(&amf_ue->sm, e);
break;
CASE(OGS_SBI_SERVICE_NAME_NSMF_PDUSESSION)
sbi_xact = e->sbi.data;
ogs_assert(sbi_xact);
sess = (amf_sess_t *)sbi_xact->sbi_object;
ogs_assert(sess);
sess = amf_sess_cycle(sess);
/*
* 1. If AMF-UE context is duplicated in Identity-Response,
* OLD AMF-UE's all session contexts are removed.
* 2. If there is an unfinished transaction with SMF,
* Transaction's session context is NULL.
*
* For example,
*
* 1. gNB->AMF : PDUSessionResourceSetupResponse
* 2. AMF->SMF : [POST] /nsmf-pdusession/v1/sm-contexts/1/modify
* 3. UE ->AMF : Registration request with Unknwon GUTI
* 4. AMF->UE : Identity request
* 5. UE ->AMF : Identity response
* AMF UE context duplicated.
* All session contexts are removed
* 6. SMF->AMF : RESPONSE /nsmf-pdusession/v1/sm-contexts/1/modify
* No Session Context
* Assertion
*
* IF THIS HAPPENS IN THE REAL WORLD,
* I WILL MODIFY THE ASSERTS BELOW.
*/
ogs_assert(sess);
amf_ue = sess->amf_ue;
ogs_assert(amf_ue);
amf_ue = amf_ue_cycle(amf_ue);
ogs_assert(amf_ue);
ogs_assert(OGS_FSM_STATE(&amf_ue->sm));
e->amf_ue = amf_ue;
e->sess = sess;
e->sbi.message = &sbi_message;;
state = sbi_xact->state;
ogs_sbi_xact_remove(sbi_xact);
SWITCH(sbi_message.h.resource.component[2])
CASE(OGS_SBI_RESOURCE_NAME_MODIFY)
amf_nsmf_pdu_session_handle_update_sm_context(
sess, state, &sbi_message);
break;
CASE(OGS_SBI_RESOURCE_NAME_RELEASE)
if (sbi_message.res_status == OGS_SBI_HTTP_STATUS_NO_CONTENT ||
sbi_message.res_status == OGS_SBI_HTTP_STATUS_OK) {
ogs_info("[%s:%d] Release SM context [%d]",
amf_ue->supi, sess->psi, sbi_message.res_status);
} else {
ogs_error("[%s] HTTP response error [%d]",
amf_ue->supi, sbi_message.res_status);
}
amf_nsmf_pdu_session_handle_release_sm_context(sess, state);
break;
DEFAULT
amf_nsmf_pdu_session_handle_create_sm_context(
sess, &sbi_message);
END
break;
DEFAULT
ogs_error("Invalid service name [%s]", sbi_message.h.service.name);
ogs_assert_if_reached();
END
ogs_sbi_message_free(&sbi_message);
ogs_sbi_response_free(sbi_response);
break;
case AMF_EVT_SBI_TIMER:
ogs_assert(e);
switch(e->timer_id) {
case AMF_TIMER_NF_INSTANCE_REGISTRATION_INTERVAL:
case AMF_TIMER_NF_INSTANCE_HEARTBEAT_INTERVAL:
case AMF_TIMER_NF_INSTANCE_NO_HEARTBEAT:
case AMF_TIMER_NF_INSTANCE_VALIDITY:
nf_instance = e->sbi.data;
ogs_assert(nf_instance);
ogs_assert(OGS_FSM_STATE(&nf_instance->sm));
ogs_fsm_dispatch(&nf_instance->sm, e);
if (OGS_FSM_CHECK(&nf_instance->sm, amf_nf_state_exception))
ogs_error("[%s] State machine exception [%d]",
nf_instance->id, e->timer_id);
break;
case AMF_TIMER_SUBSCRIPTION_VALIDITY:
subscription = e->sbi.data;
ogs_assert(subscription);
ogs_info("[%s] Subscription validity expired", subscription->id);
ogs_sbi_subscription_remove(subscription);
ogs_nnrf_nfm_send_nf_status_subscribe(subscription->client,
amf_self()->nf_type, subscription->nf_instance_id);
break;
case AMF_TIMER_SBI_CLIENT_WAIT:
sbi_xact = e->sbi.data;
ogs_assert(sbi_xact);
sbi_object = sbi_xact->sbi_object;
ogs_assert(sbi_object);
switch(sbi_xact->target_nf_type) {
case OpenAPI_nf_type_AUSF:
case OpenAPI_nf_type_UDM:
amf_ue = (amf_ue_t *)sbi_object;
ogs_assert(amf_ue);
ogs_error("[%s] Cannot receive SBI message", amf_ue->suci);
nas_5gs_send_gmm_reject_from_sbi(amf_ue,
OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT);
break;
case OpenAPI_nf_type_SMF:
sess = (amf_sess_t *)sbi_object;
ogs_assert(sess);
ogs_error("[%d:%d] Cannot receive SBI message",
sess->psi, sess->pti);
if (sess->payload_container_type) {
nas_5gs_send_back_5gsm_message_from_sbi(sess,
OGS_SBI_HTTP_STATUS_GATEWAY_TIMEOUT);
} else {
ngap_send_error_indication2(amf_ue,
NGAP_Cause_PR_transport,
NGAP_CauseTransport_transport_resource_unavailable);
}
break;
default:
ogs_fatal("Not implemented [%s]",
OpenAPI_nf_type_ToString(sbi_xact->target_nf_type));
}
ogs_sbi_xact_remove(sbi_xact);
break;
default:
ogs_error("Unknown timer[%s:%d]",
amf_timer_get_name(e->timer_id), e->timer_id);
}
break;
case AMF_EVT_NGAP_LO_ACCEPT:
sock = e->ngap.sock;
ogs_assert(sock);
addr = e->ngap.addr;
ogs_assert(addr);
ogs_info("gNB-N1 accepted[%s] in master_sm module",
OGS_ADDR(addr, buf));
gnb = amf_gnb_find_by_addr(addr);
if (!gnb) {
gnb = amf_gnb_add(sock, addr);
ogs_assert(gnb);
} else {
ogs_warn("gNB context duplicated with IP-address [%s]!!!",
OGS_ADDR(addr, buf));
ogs_sock_destroy(sock);
ogs_warn("N1 Socket Closed");
}
break;
case AMF_EVT_NGAP_LO_SCTP_COMM_UP:
sock = e->ngap.sock;
ogs_assert(sock);
addr = e->ngap.addr;
ogs_assert(addr);
max_num_of_ostreams = e->ngap.max_num_of_ostreams;
gnb = amf_gnb_find_by_addr(addr);
if (!gnb) {
gnb = amf_gnb_add(sock, addr);
ogs_assert(gnb);
} else {
ogs_free(addr);
}
gnb->max_num_of_ostreams =
ogs_min(max_num_of_ostreams, gnb->max_num_of_ostreams);
ogs_debug("gNB-N1 SCTP_COMM_UP[%s] Max Num of Outbound Streams[%d]",
OGS_ADDR(addr, buf), gnb->max_num_of_ostreams);
break;
case AMF_EVT_NGAP_LO_CONNREFUSED:
sock = e->ngap.sock;
ogs_assert(sock);
addr = e->ngap.addr;
ogs_assert(addr);
gnb = amf_gnb_find_by_addr(addr);
ogs_free(addr);
if (gnb) {
ogs_info("gNB-N1[%s] connection refused!!!",
OGS_ADDR(addr, buf));
amf_gnb_remove(gnb);
} else {
ogs_warn("gNB-N1[%s] connection refused, Already Removed!",
OGS_ADDR(addr, buf));
}
break;
case AMF_EVT_NGAP_MESSAGE:
sock = e->ngap.sock;
ogs_assert(sock);
addr = e->ngap.addr;
ogs_assert(addr);
pkbuf = e->pkbuf;
ogs_assert(pkbuf);
gnb = amf_gnb_find_by_addr(addr);
ogs_free(addr);
ogs_assert(gnb);
ogs_assert(OGS_FSM_STATE(&gnb->sm));
rc = ogs_ngap_decode(&ngap_message, pkbuf);
if (rc == OGS_OK) {
e->gnb = gnb;
e->ngap.message = &ngap_message;
ogs_fsm_dispatch(&gnb->sm, e);
} else {
ogs_error("Cannot decode NGAP message");
ngap_send_error_indication(
gnb, NULL, NULL, NGAP_Cause_PR_protocol,
NGAP_CauseProtocol_abstract_syntax_error_falsely_constructed_message);
}
ogs_ngap_free(&ngap_message);
ogs_pkbuf_free(pkbuf);
break;
case AMF_EVT_NGAP_TIMER:
ran_ue = e->ran_ue;
ogs_assert(ran_ue);
gnb = e->gnb;
ogs_assert(gnb);
ogs_assert(OGS_FSM_STATE(&gnb->sm));
ogs_fsm_dispatch(&gnb->sm, e);
break;
case AMF_EVT_5GMM_MESSAGE:
ran_ue = e->ran_ue;
ogs_assert(ran_ue);
pkbuf = e->pkbuf;
ogs_assert(pkbuf);
if (ogs_nas_5gmm_decode(&nas_message, pkbuf) != OGS_OK) {
ogs_error("ogs_nas_5gmm_decode() failed");
ogs_pkbuf_free(pkbuf);
return;
}
amf_ue = ran_ue->amf_ue;
if (!amf_ue) {
amf_ue = amf_ue_find_by_message(&nas_message);
if (!amf_ue) {
amf_ue = amf_ue_add(ran_ue);
ogs_assert(amf_ue);
} else {
/* Here, if the AMF_UE Context is found,
* the integrity check is not performed
* For example, REGISTRATION_REQUEST,
* TRACKING_AREA_UPDATE_REQUEST message
*
* Now, We will check the MAC in the NAS message*/
ogs_nas_security_header_type_t h;
h.type = e->nas.type;
if (h.integrity_protected) {
/* Decryption was performed in NGAP handler.
* So, we disabled 'ciphered'
* not to decrypt NAS message */
h.ciphered = 0;
if (nas_5gs_security_decode(amf_ue, h, pkbuf) != OGS_OK) {
ogs_error("[%s] nas_security_decode() failed",
amf_ue->suci);
ogs_pkbuf_free(pkbuf);
return;
}
}
}
/* If NAS(amf_ue_t) has already been associated with
* older NG(ran_ue_t) context */
if (CM_CONNECTED(amf_ue)) {
/* Implcit NG release */
ogs_debug("[%s] Implicit NG release", amf_ue->suci);
ogs_debug("[%s] RAN_UE_NGAP_ID[%d] AMF_UE_NGAP_ID[%lld]",
amf_ue->suci, amf_ue->ran_ue->ran_ue_ngap_id,
(long long)amf_ue->ran_ue->amf_ue_ngap_id);
ran_ue_remove(amf_ue->ran_ue);
}
amf_ue_associate_ran_ue(amf_ue, ran_ue);
}
ogs_assert(amf_ue);
ogs_assert(OGS_FSM_STATE(&amf_ue->sm));
e->amf_ue = amf_ue;
e->nas.message = &nas_message;
ogs_fsm_dispatch(&amf_ue->sm, e);
ogs_pkbuf_free(pkbuf);
break;
case AMF_EVT_5GMM_TIMER:
amf_ue = e->amf_ue;
ogs_assert(amf_ue);
ogs_assert(OGS_FSM_STATE(&amf_ue->sm));
ogs_fsm_dispatch(&amf_ue->sm, e);
break;
default:
ogs_error("No handler for event %s", amf_event_get_name(e));
break;
}
}
Reference in New Issue View Git Blame Copy Permalink