1349 lines
46 KiB
C
1349 lines
46 KiB
C
/*
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* Copyright (C) 2019 by Sukchan Lee <acetcom@gmail.com>
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* Copyright (C) 2022 by sysmocom - s.f.m.c. GmbH <info@sysmocom.de>
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*
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* This file is part of Open5GS.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "fd-path.h"
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static struct session_handler *smf_gy_reg = NULL;
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static struct disp_hdl *hdl_gy_fb = NULL;
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static struct disp_hdl *hdl_gy_rar = NULL;
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struct sess_state {
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os0_t gy_sid; /* Gy Session-Id */
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os0_t peer_host; /* Peer Host */
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#define MAX_CC_REQUEST_NUMBER 32
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smf_sess_t *sess;
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struct {
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bool pfcp;
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void *ptr; /* INITIAL: ogs_gtp_xact_t, UPDATE: ogs_pfcp_xact_t */
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} xact_data[MAX_CC_REQUEST_NUMBER];
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uint32_t cc_request_type;
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uint32_t cc_request_number;
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struct timespec ts; /* Time of sending the message */
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};
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static OGS_POOL(sess_state_pool, struct sess_state);
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static ogs_thread_mutex_t sess_state_mutex;
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static int decode_granted_service_unit(
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ogs_diam_gy_service_unit_t *su, struct avp *avpch1, int *perror);
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static void smf_gy_cca_cb(void *data, struct msg **msg);
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static __inline__ struct sess_state *new_state(os0_t sid)
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{
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struct sess_state *new = NULL;
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ogs_thread_mutex_lock(&sess_state_mutex);
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ogs_pool_alloc(&sess_state_pool, &new);
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ogs_expect_or_return_val(new, NULL);
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memset(new, 0, sizeof(*new));
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ogs_thread_mutex_unlock(&sess_state_mutex);
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new->gy_sid = (os0_t)ogs_strdup((char *)sid);
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ogs_expect_or_return_val(new->gy_sid, NULL);
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return new;
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}
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static void state_cleanup(struct sess_state *sess_data, os0_t sid, void *opaque)
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{
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if (sess_data->gy_sid)
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ogs_free(sess_data->gy_sid);
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if (sess_data->peer_host)
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ogs_free(sess_data->peer_host);
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ogs_thread_mutex_lock(&sess_state_mutex);
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ogs_pool_free(&sess_state_pool, sess_data);
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ogs_thread_mutex_unlock(&sess_state_mutex);
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}
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/* TS 32.299 7.1.9 Multiple-Services-Credit-Control AVP for CCR */
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static void fill_multiple_services_credit_control_ccr(smf_sess_t *sess,
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uint32_t cc_request_type, struct msg *req)
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{
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int ret;
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union avp_value val;
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struct avp *avp;
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struct avp *avpch1, *avpch2, *avpch3;
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/* Multiple-Services-Credit-Control */
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ret = fd_msg_avp_new(ogs_diam_gy_multiple_services_cc, 0, &avp);
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ogs_assert(ret == 0);
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/* Requested-Service-Unit, RFC4006 8.18 */
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if (cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_INITIAL_REQUEST ||
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cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_UPDATE_REQUEST) {
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ret = fd_msg_avp_new(ogs_diam_gy_requested_service_unit, 0, &avpch1);
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ogs_assert(ret == 0);
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/* CC-Time, RFC4006 8.21 */
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/* CC-Money, RFC4006 8.22. Not used in 3GPP. */
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/* CC-Total-Octets, RFC4006 8.23 */
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/* CC-Input-Octets, RFC4006 8.24 */
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/* CC-Output-Octets, RFC4006 8.25 */
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/* CC-Service-Specific-Units, RFC4006 8.26 */
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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ogs_assert(ret == 0);
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}
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/* Used-Service-Unit, RFC4006 8.18 */
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ret = fd_msg_avp_new(ogs_diam_gy_used_service_unit, 0, &avpch1);
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ogs_assert(ret == 0);
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/* Reporting-Reason, TS 32.299 7.2.175 */
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/* Tariff-Change-Usage */
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/* CC-Time, RFC4006 8.21 */
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ret = fd_msg_avp_new(ogs_diam_gy_cc_time, 0, &avpch2);
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ogs_assert(ret == 0);
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val.u32 = sess->gy.duration - sess->gy.last_report.duration;
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sess->gy.last_report.duration = sess->gy.duration;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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/* CC-Total-Octets, RFC4006 8.23 */
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/* CC-Input-Octets, RFC4006 8.24 */
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ret = fd_msg_avp_new(ogs_diam_gy_cc_input_octets, 0, &avpch2);
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ogs_assert(ret == 0);
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val.u64 = sess->gy.ul_octets - sess->gy.last_report.ul_octets;
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sess->gy.last_report.ul_octets = sess->gy.ul_octets;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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/* CC-Output-Octets, RFC4006 8.25 */
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ret = fd_msg_avp_new(ogs_diam_gy_cc_output_octets, 0, &avpch2);
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ogs_assert(ret == 0);
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val.u64 = sess->gy.dl_octets - sess->gy.last_report.dl_octets;
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sess->gy.last_report.dl_octets = sess->gy.dl_octets;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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/* CC-Service-Specific-Units, RFC4006 8.26 */
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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ogs_assert(ret == 0);
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/* Service-Identifier, RFC4006 8.28. Not used in Gy. */
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/* Rating-Group */
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/* Reporting-Reason, TS 32.299 7.2.175 */
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if (cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_UPDATE_REQUEST ||
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cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_TERMINATION_REQUEST) {
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ret = fd_msg_avp_new(ogs_diam_gy_reporting_reason, 0, &avpch1);
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ogs_assert(ret == 0);
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val.u32 = OGS_DIAM_GY_REPORTING_REASON_VALIDITY_TIME; // TODO: set value
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ret = fd_msg_avp_setvalue (avpch1, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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ogs_assert(ret == 0);
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}
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/* ... lots of AVPs ... */
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/* QoS-Information */
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ret = fd_msg_avp_new(ogs_diam_gx_qos_information, 0, &avpch1);
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ogs_assert(ret == 0);
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/* QoS-Class-Identifier */
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ret = fd_msg_avp_new(ogs_diam_gy_qos_class_identifier, 0, &avpch2);
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ogs_assert(ret == 0);
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val.u32 = sess->session.qos.index;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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/* Allocation-Retention-Priority */
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ret = fd_msg_avp_new(
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ogs_diam_gy_allocation_retention_priority, 0, &avpch2);
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ogs_assert(ret == 0);
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/* Priority-Level */
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ret = fd_msg_avp_new(ogs_diam_gy_priority_level, 0, &avpch3);
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ogs_assert(ret == 0);
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val.u32 = sess->session.qos.arp.priority_level;
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ret = fd_msg_avp_setvalue (avpch3, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch2, MSG_BRW_LAST_CHILD, avpch3);
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ogs_assert(ret == 0);
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/* Pre-emption-Capability */
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ret = fd_msg_avp_new(ogs_diam_gy_pre_emption_capability, 0, &avpch3);
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ogs_assert(ret == 0);
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val.u32 = sess->session.qos.arp.pre_emption_capability;
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ret = fd_msg_avp_setvalue (avpch3, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch2, MSG_BRW_LAST_CHILD, avpch3);
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ogs_assert(ret == 0);
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/* Pre-emption-Vulnerability */
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ret = fd_msg_avp_new(ogs_diam_gy_pre_emption_vulnerability, 0, &avpch3);
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ogs_assert(ret == 0);
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val.u32 = sess->session.qos.arp.pre_emption_vulnerability;
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ret = fd_msg_avp_setvalue (avpch3, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch2, MSG_BRW_LAST_CHILD, avpch3);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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if (sess->session.ambr.uplink) {
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ret = fd_msg_avp_new(ogs_diam_gy_apn_aggregate_max_bitrate_ul,
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0, &avpch2);
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ogs_assert(ret == 0);
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val.u32 = sess->session.ambr.uplink;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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if (sess->session.ambr.downlink) {
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ret = fd_msg_avp_new(
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ogs_diam_gy_apn_aggregate_max_bitrate_dl, 0, &avpch2);
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ogs_assert(ret == 0);
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val.u32 = sess->session.ambr.downlink;
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ret = fd_msg_avp_setvalue (avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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ogs_assert(ret == 0);
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/* 3GPP-RAT-Type, TS 29.061 16.4.7.2 21 */
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/* GGSN: TS 29.060 7.7.50, PGW: TS 29.274 8.17 */
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ret = fd_msg_avp_new(ogs_diam_gy_3gpp_rat_type, 0, &avpch1);
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ogs_assert(ret == 0);
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val.os.data = (uint8_t*)&sess->gtp_rat_type;
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val.os.len = 1;
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ret = fd_msg_avp_setvalue (avpch1, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
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ogs_assert(ret == 0);
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/* Multiple Services AVP add to req: */
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ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
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ogs_assert(ret == 0);
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}
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/* TS 32.299 7.2.192 Service-Information AVP for CCR */
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static void fill_service_information_ccr(smf_sess_t *sess,
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uint32_t cc_request_type, struct msg *req)
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{
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int ret;
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union avp_value val;
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struct avp *avp;
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struct avp *avpch1, *avpch2, *avpch3;
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struct sockaddr_in sin;
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struct sockaddr_in6 sin6;
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char buf[OGS_PLMNIDSTRLEN];
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char digit;
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/* Service-Information, TS 32.299 sec 7.2.192 */
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ret = fd_msg_avp_new(ogs_diam_gy_service_information, 0, &avp);
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/* PS-Information, TS 32.299 sec 7.2.158 */
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ret = fd_msg_avp_new(ogs_diam_gy_ps_information, 0, &avpch1);
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/* 3GPP-Charging-Id, 3GPP TS 29.061 16.4.7.2 2 */
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ret = fd_msg_avp_new(ogs_diam_gy_3gpp_charging_id, 0, &avpch2);
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ogs_assert(ret == 0);
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val.u32 = sess->charging.id;
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ret = fd_msg_avp_setvalue(avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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/* 3GPP-PDP-Type, 3GPP TS 29.061 16.4.7.2 3 */
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if (cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_INITIAL_REQUEST) {
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ret = fd_msg_avp_new(ogs_diam_gy_3gpp_pdp_type, 0, &avpch2);
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ogs_assert(ret == 0);
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switch (sess->session.session_type) {
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case OGS_PDU_SESSION_TYPE_IPV4:
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val.i32 = OGS_DIAM_GY_3GPP_PDP_TYPE_IPv4;
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break;
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case OGS_PDU_SESSION_TYPE_IPV6:
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val.i32 = OGS_DIAM_GY_3GPP_PDP_TYPE_IPv6;
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break;
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case OGS_PDU_SESSION_TYPE_IPV4V6:
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val.i32 = OGS_DIAM_GY_3GPP_PDP_TYPE_IPv4v6;
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break;
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case OGS_PDU_SESSION_TYPE_UNSTRUCTURED:
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val.i32 = OGS_DIAM_GY_3GPP_PDP_TYPE_UNSTRUCTURED;
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break;
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case OGS_PDU_SESSION_TYPE_ETHERNET:
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val.i32 = OGS_DIAM_GY_3GPP_PDP_TYPE_ETHERNET;
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break;
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default:
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val.i32 = OGS_DIAM_GY_3GPP_PDP_TYPE_NON_IP;
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}
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ret = fd_msg_avp_setvalue(avpch2, &val);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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/* PDP-Address, TS 32.299 7.2.137 */
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if (sess->ipv4) {
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ret = fd_msg_avp_new(ogs_diam_gy_pdp_address, 0, &avpch2);
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sin.sin_family = AF_INET;
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memcpy(&sin.sin_addr.s_addr, (uint8_t*)&sess->ipv4->addr[0], OGS_IPV4_LEN);
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ret = fd_msg_avp_value_encode(&sin, avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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}
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if (sess->ipv6) {
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ret = fd_msg_avp_new(ogs_diam_gy_pdp_address, 0, &avpch2);
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sin6.sin6_family = AF_INET6;
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memcpy(&sin6.sin6_addr.s6_addr, (uint8_t*)&sess->ipv6->addr[0], OGS_IPV6_LEN);
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ret = fd_msg_avp_value_encode(&sin6, avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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/* PDP-Address-Prefix-Length, TS 32.299 7.2.137 */
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/* TODO: not yet needed since used OGS_IPV6_DEFAULT_PREFIX_LEN is 64.
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if (OGS_IPV6_DEFAULT_PREFIX_LEN != 64) {
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.u32 = sess->ipv6->subnet->prefixlen;
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}
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*/
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}
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/* SGSN-Address */
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if (sess->sgw_s5c_ip.ipv4) {
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ret = fd_msg_avp_new(ogs_diam_gy_sgsn_address, 0, &avpch2);
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sin.sin_family = AF_INET;
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memcpy(&sin.sin_addr.s_addr, (uint8_t*)&sess->sgw_s5c_ip.addr, OGS_IPV4_LEN);
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ret = fd_msg_avp_value_encode(&sin, avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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if (sess->sgw_s5c_ip.ipv6) {
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ret = fd_msg_avp_new(ogs_diam_gy_sgsn_address, 0, &avpch2);
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sin6.sin6_family = AF_INET6;
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memcpy(&sin6.sin6_addr.s6_addr, (uint8_t*)&sess->sgw_s5c_ip.addr6[0], OGS_IPV6_LEN);
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ret = fd_msg_avp_value_encode(&sin6, avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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/* GGSN-Address */
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if (ogs_gtp_self()->gtpc_addr) {
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ret = fd_msg_avp_new(ogs_diam_gy_ggsn_address, 0, &avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_value_encode(&ogs_gtp_self()->gtpc_addr->sin, avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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if (ogs_gtp_self()->gtpc_addr6) {
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ret = fd_msg_avp_new(ogs_diam_gy_ggsn_address, 0, &avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_value_encode(&ogs_gtp_self()->gtpc_addr->sin6, avpch2);
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ogs_assert(ret == 0);
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ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
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ogs_assert(ret == 0);
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}
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/* Called-Station-Id */
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ret = fd_msg_avp_new(ogs_diam_gy_called_station_id, 0, &avpch2);
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ogs_assert(ret == 0);
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ogs_assert(sess->session.name);
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val.os.data = (uint8_t*)sess->session.name;
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val.os.len = strlen(sess->session.name);
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* 3GPP-Selection-Mode, 3GPP TS 29.061 16.4.7.2 12 */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_3gpp_selection_mode, 0, &avpch2);
|
|
ogs_assert(ret == 0);
|
|
digit = sess->gtp.selection_mode + '0';
|
|
val.os.data = (uint8_t*)&digit;
|
|
val.os.len = 1;
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* 3GPP-Charging-Characteristics, 3GPP TS 29.061 16.4.7.2 13 */
|
|
if (sess->gtp.charging_characteristics.presence &&
|
|
sess->gtp.charging_characteristics.len > 0) {
|
|
uint8_t oct1, oct2;
|
|
char digits[5];
|
|
ret = fd_msg_avp_new(ogs_diam_gy_3gpp_charging_characteristics, 0, &avpch2);
|
|
ogs_assert(ret == 0);
|
|
oct1 = ((uint8_t*)sess->gtp.charging_characteristics.data)[0];
|
|
oct2 = (sess->gtp.charging_characteristics.len > 1) ?
|
|
((uint8_t*)sess->gtp.charging_characteristics.data)[1] : 0;
|
|
snprintf(digits, sizeof(digits), "%02x%02x", oct1, oct2);
|
|
val.os.data = (uint8_t*)&digits[0];
|
|
val.os.len = 4;
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* 3GPP-SGSN-MCC-MNC */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_3gpp_sgsn_mcc_mnc, 0, &avpch2);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (uint8_t *)ogs_plmn_id_to_string(&sess->plmn_id, buf);
|
|
val.os.len = strlen(buf);
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* 3GPP-NSAPI, 3GPP TS 29.061 16.4.7.2 10 */
|
|
if (sess->gtp.version == 1) {
|
|
char nsapi_hex;
|
|
if (sess->gtp.v1.nsapi <= 9)
|
|
nsapi_hex = sess->gtp.v1.nsapi + '0';
|
|
else
|
|
nsapi_hex = sess->gtp.v1.nsapi - 10 + 'A';
|
|
ret = fd_msg_avp_new(ogs_diam_gy_3gpp_nsapi, 0, &avpch2);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (uint8_t *)&nsapi_hex;
|
|
val.os.len = 1;
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
} else {
|
|
/* GTPv2C: For PGW, EPS Bearer ID as specified in 3GPP TS 29.274 8.8 */
|
|
smf_bearer_t *bearer = smf_default_bearer_in_sess(sess);
|
|
ret = fd_msg_avp_new(ogs_diam_gy_3gpp_nsapi, 0, &avpch2);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (uint8_t *)&bearer->ebi;
|
|
val.os.len = 1;
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* 3GPP-MS-Timezone */
|
|
if (sess->gtp.ue_timezone.presence &&
|
|
sess->gtp.ue_timezone.len && sess->gtp.ue_timezone.data) {
|
|
ret = fd_msg_avp_new(ogs_diam_gy_3gpp_ms_timezone, 0, &avpch2);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = sess->gtp.ue_timezone.data;
|
|
val.os.len = sess->gtp.ue_timezone.len;
|
|
ret = fd_msg_avp_setvalue(avpch2, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* 3GPP-User-Location-Info, 3GPP TS 29.061 16.4.7.2 22 */
|
|
smf_fd_msg_avp_add_3gpp_uli(sess, avpch1);
|
|
|
|
if (sess->smf_ue->imeisv_len > 0) {
|
|
/* User-Equipment-Info, 3GPP TS 32.299 7.1.17 */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_user_equipment_info, 0, &avpch2);
|
|
|
|
/* User-Equipment-Info-Type 0 (IMEI) */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_user_equipment_info_type, 0, &avpch3);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = 0;
|
|
ret = fd_msg_avp_setvalue(avpch3, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch2, MSG_BRW_LAST_CHILD, avpch3);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* User-Equipment-Info-Val */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_user_equipment_info_value, 0, &avpch3);
|
|
ogs_assert(ret == 0);
|
|
digit = '0';
|
|
val.os.data = (uint8_t*)&sess->smf_ue->imeisv_bcd[0];
|
|
val.os.len = 16;
|
|
ret = fd_msg_avp_setvalue(avpch3, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(avpch2, MSG_BRW_LAST_CHILD, avpch3);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* User-Equipment-Info AVP add to PS-Information: */
|
|
ret = fd_msg_avp_add (avpch1, MSG_BRW_LAST_CHILD, avpch2);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* PS-Information AVP add to req: */
|
|
ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Service-Information AVP add to req: */
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* 3GPP TS 32.299 6.4.2 Credit-Control-Request message */
|
|
void smf_gy_send_ccr(smf_sess_t *sess, void *xact,
|
|
uint32_t cc_request_type)
|
|
{
|
|
int ret;
|
|
smf_ue_t *smf_ue = NULL;
|
|
|
|
struct msg *req = NULL;
|
|
struct avp *avp;
|
|
struct avp *avpch1;
|
|
union avp_value val;
|
|
struct sess_state *sess_data = NULL, *svg;
|
|
struct session *session = NULL;
|
|
int new;
|
|
const char *service_context_id = "open5gs-smfd@open5gs.org";
|
|
uint32_t timestamp;
|
|
|
|
ogs_assert(xact);
|
|
ogs_assert(sess);
|
|
|
|
ogs_assert(sess->ipv4 || sess->ipv6);
|
|
smf_ue = sess->smf_ue;
|
|
ogs_assert(smf_ue);
|
|
|
|
ogs_debug("[Gy][Credit-Control-Request]");
|
|
|
|
/* Create the request */
|
|
ret = fd_msg_new(ogs_diam_gy_cmd_ccr, MSGFL_ALLOC_ETEID, &req);
|
|
ogs_assert(ret == 0);
|
|
{
|
|
struct msg_hdr *h;
|
|
ret = fd_msg_hdr(req, &h);
|
|
ogs_assert(ret == 0);
|
|
h->msg_appl = OGS_DIAM_GY_APPLICATION_ID;
|
|
}
|
|
|
|
/* Find Diameter Gy Session */
|
|
if (sess->gy_sid) {
|
|
/* Retrieve session by Session-Id */
|
|
size_t sidlen = strlen(sess->gy_sid);
|
|
ret = fd_sess_fromsid_msg((os0_t)sess->gy_sid, sidlen, &session, &new);
|
|
ogs_assert(ret == 0);
|
|
ogs_assert(new == 0);
|
|
|
|
ogs_debug(" Found Gy Session-Id: [%s]", sess->gy_sid);
|
|
|
|
/* Add Session-Id to the message */
|
|
ret = ogs_diam_message_session_id_set(req, (os0_t)sess->gy_sid, sidlen);
|
|
ogs_assert(ret == 0);
|
|
/* Save the session associated with the message */
|
|
ret = fd_msg_sess_set(req, session);
|
|
} else {
|
|
/* Create a new session */
|
|
#define OGS_DIAM_GY_APP_SID_OPT "app_gy"
|
|
ret = fd_msg_new_session(req, (os0_t)OGS_DIAM_GY_APP_SID_OPT,
|
|
CONSTSTRLEN(OGS_DIAM_GY_APP_SID_OPT));
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_sess_get(fd_g_config->cnf_dict, req, &session, NULL);
|
|
ogs_assert(ret == 0);
|
|
ogs_debug(" Create a New Gy Session");
|
|
}
|
|
|
|
/* Retrieve session state in this session */
|
|
ret = fd_sess_state_retrieve(smf_gy_reg, session, &sess_data);
|
|
if (!sess_data) {
|
|
os0_t sid;
|
|
size_t sidlen;
|
|
|
|
ret = fd_sess_getsid(session, &sid, &sidlen);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Allocate new session state memory */
|
|
sess_data = new_state(sid);
|
|
ogs_assert(sess_data);
|
|
|
|
ogs_debug(" Allocate new Gy session: [%s]", sess_data->gy_sid);
|
|
|
|
/* Save Session-Id to SMF Session Context */
|
|
sess->gy_sid = (char *)sess_data->gy_sid;
|
|
} else
|
|
ogs_debug(" Retrieve Gy session: [%s]", sess_data->gy_sid);
|
|
|
|
/*
|
|
* 8.2. CC-Request-Number AVP
|
|
*
|
|
* The CC-Request-Number AVP (AVP Code 415) is of type Unsigned32 and
|
|
* identifies this request within one session. As Session-Id AVPs are
|
|
* globally unique, the combination of Session-Id and CC-Request-Number
|
|
* AVPs is also globally unique and can be used in matching credit-
|
|
* control messages with confirmations. An easy way to produce unique
|
|
* numbers is to set the value to 0 for a credit-control request of type
|
|
* INITIAL_REQUEST and EVENT_REQUEST and to set the value to 1 for the
|
|
* first UPDATE_REQUEST, to 2 for the second, and so on until the value
|
|
* for TERMINATION_REQUEST is one more than for the last UPDATE_REQUEST.
|
|
*/
|
|
|
|
sess_data->cc_request_type = cc_request_type;
|
|
if (cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_INITIAL_REQUEST ||
|
|
cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_EVENT_REQUEST)
|
|
sess_data->cc_request_number = 0;
|
|
else
|
|
sess_data->cc_request_number++;
|
|
|
|
ogs_debug(" CC Request Type[%d] Number[%d]",
|
|
sess_data->cc_request_type, sess_data->cc_request_number);
|
|
ogs_assert(sess_data->cc_request_number <= MAX_CC_REQUEST_NUMBER);
|
|
|
|
/* Update session state */
|
|
sess_data->sess = sess;
|
|
if (cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_UPDATE_REQUEST)
|
|
sess_data->xact_data[sess_data->cc_request_number].pfcp = true;
|
|
else
|
|
sess_data->xact_data[sess_data->cc_request_number].pfcp = false;
|
|
sess_data->xact_data[sess_data->cc_request_number].ptr = xact;
|
|
|
|
/* Origin-Host & Origin-Realm */
|
|
ret = fd_msg_add_origin(req, 0);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* the Destination-Realm AVP */
|
|
ret = fd_msg_avp_new(ogs_diam_destination_realm, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (unsigned char *)(fd_g_config->cnf_diamrlm);
|
|
val.os.len = strlen(fd_g_config->cnf_diamrlm);
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* the Auth-Application-Id AVP */
|
|
ret = fd_msg_avp_new(ogs_diam_auth_application_id, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_GY_APPLICATION_ID;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Service-Context-Id */
|
|
ret = fd_msg_avp_new(ogs_diam_service_context_id, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (unsigned char *)service_context_id;
|
|
val.os.len = strlen(service_context_id);
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* CC-Request-Type, CC-Request-Number */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_cc_request_type, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = sess_data->cc_request_type;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_new(ogs_diam_gy_cc_request_number, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = sess_data->cc_request_number;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Set the Destination-Host AVP */
|
|
if (sess_data->peer_host) {
|
|
ret = fd_msg_avp_new(ogs_diam_destination_host, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = sess_data->peer_host;
|
|
val.os.len = strlen((char *)sess_data->peer_host);
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* User-Name */
|
|
#if 0
|
|
ret = fd_msg_avp_new(ogs_diam_user_name, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = ?;
|
|
val.os.len = strlen(?);
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
#endif
|
|
|
|
/* Origin-State-Id */
|
|
#if 0
|
|
/* TODO: implement restart counter */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_origin_state_id, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = ?;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
#endif
|
|
|
|
/* Event-Timestamp (rfc6733 8.21, type in 4.3.1) */
|
|
ret = fd_msg_avp_new(ogs_diam_event_timestamp, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
timestamp = htobe32(ogs_time_ntp32_now());
|
|
val.os.data = (unsigned char *)×tamp;
|
|
val.os.len = 4;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Subscription-Id (IMSI) */
|
|
ret = fd_msg_avp_new(ogs_diam_subscription_id, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_new(ogs_diam_subscription_id_type, 0, &avpch1);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_SUBSCRIPTION_ID_TYPE_END_USER_IMSI;
|
|
ret = fd_msg_avp_setvalue (avpch1, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_new(ogs_diam_subscription_id_data, 0, &avpch1);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (uint8_t *)smf_ue->imsi_bcd;
|
|
val.os.len = strlen(smf_ue->imsi_bcd);
|
|
ret = fd_msg_avp_setvalue (avpch1, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Subscription-Id (MSISDN) */
|
|
if (smf_ue->msisdn_len > 0) {
|
|
ret = fd_msg_avp_new(ogs_diam_subscription_id, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_new(ogs_diam_subscription_id_type, 0, &avpch1);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_SUBSCRIPTION_ID_TYPE_END_USER_E164;
|
|
ret = fd_msg_avp_setvalue (avpch1, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_new(ogs_diam_subscription_id_data, 0, &avpch1);
|
|
ogs_assert(ret == 0);
|
|
val.os.data = (uint8_t *)smf_ue->msisdn_bcd;
|
|
val.os.len = strlen(smf_ue->msisdn_bcd);
|
|
ret = fd_msg_avp_setvalue (avpch1, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add (avp, MSG_BRW_LAST_CHILD, avpch1);
|
|
ogs_assert(ret == 0);
|
|
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* Termination-Cause */
|
|
if (cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_TERMINATION_REQUEST) {
|
|
ret = fd_msg_avp_new(ogs_diam_termination_cause, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_TERMINATION_CAUSE_DIAMETER_LOGOUT; /* TODO: set specific cause */
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* Requested-Action */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_requested_action, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_GY_REQUESTED_ACTION_DIRECT_DEBITING;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* AoC-Request-Type */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_aoc_request_type, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_GY_AoC_FULL;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Multiple-Services-Indicator */
|
|
ret = fd_msg_avp_new(ogs_diam_gy_multiple_services_ind, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_GY_MULTIPLE_SERVICES_NOT_SUPPORTED;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(req, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* TS 32.299 7.1.9 Multiple-Services-Credit-Control AVP */
|
|
fill_multiple_services_credit_control_ccr(sess, cc_request_type, req);
|
|
|
|
/* OC-Supported-Features */
|
|
|
|
/* Service-Information */
|
|
fill_service_information_ccr(sess, cc_request_type, req);
|
|
|
|
|
|
ret = clock_gettime(CLOCK_REALTIME, &sess_data->ts);
|
|
|
|
/* Keep a pointer to the session data for debug purpose,
|
|
* in real life we would not need it */
|
|
svg = sess_data;
|
|
|
|
/* Store this value in the session */
|
|
ret = fd_sess_state_store(smf_gy_reg, session, &sess_data);
|
|
ogs_assert(ret == 0);
|
|
ogs_assert(sess_data == NULL);
|
|
|
|
/* Send the request */
|
|
ret = fd_msg_send(&req, smf_gy_cca_cb, svg);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Increment the counter */
|
|
ogs_assert(pthread_mutex_lock(&ogs_diam_logger_self()->stats_lock) == 0);
|
|
ogs_diam_logger_self()->stats.nb_sent++;
|
|
ogs_assert(pthread_mutex_unlock(&ogs_diam_logger_self()->stats_lock) == 0);
|
|
}
|
|
|
|
static void smf_gy_cca_cb(void *data, struct msg **msg)
|
|
{
|
|
int rv;
|
|
int ret;
|
|
|
|
struct sess_state *sess_data = NULL;
|
|
struct timespec ts;
|
|
struct session *session;
|
|
struct avp *avp, *avpch1;
|
|
struct avp_hdr *hdr;
|
|
unsigned long dur;
|
|
int error = 0;
|
|
int new;
|
|
struct msg *req = NULL;
|
|
smf_event_t *e = NULL;
|
|
void *xact = NULL;
|
|
smf_sess_t *sess = NULL;
|
|
ogs_diam_gy_message_t *gy_message = NULL;
|
|
uint32_t cc_request_number = 0;
|
|
|
|
ogs_debug("[Gy][Credit-Control-Answer]");
|
|
|
|
ret = clock_gettime(CLOCK_REALTIME, &ts);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Get originating request of received message, if any */
|
|
ret = fd_msg_answ_getq(*msg, &req);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Search the session, retrieve its data */
|
|
ret = fd_msg_sess_get(fd_g_config->cnf_dict, *msg, &session, &new);
|
|
ogs_assert(ret == 0);
|
|
ogs_assert(new == 0);
|
|
|
|
ogs_debug(" Search the Gy session");
|
|
|
|
ret = fd_sess_state_retrieve(smf_gy_reg, session, &sess_data);
|
|
ogs_assert(ret == 0);
|
|
ogs_assert(sess_data);
|
|
ogs_assert((void *)sess_data == data);
|
|
|
|
ogs_debug(" Retrieve its data: [%s]", sess_data->gy_sid);
|
|
|
|
/* Value of CC-Request-Number */
|
|
ret = fd_msg_search_avp(*msg, ogs_diam_gy_cc_request_number, &avp);
|
|
ogs_assert(ret == 0);
|
|
if (!avp && req) {
|
|
/* Attempt searching for CC-Request-* in original request. Error
|
|
* messages (like DIAMETER_UNABLE_TO_DELIVER) crafted internally may not
|
|
* have them. */
|
|
ret = fd_msg_search_avp(req, ogs_diam_gy_cc_request_number, &avp);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
if (!avp) {
|
|
ogs_error("no_CC-Request-Number");
|
|
ogs_assert_if_reached();
|
|
}
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
ogs_assert(ret == 0);
|
|
cc_request_number = hdr->avp_value->i32;
|
|
|
|
ogs_debug(" CC-Request-Number[%d]", cc_request_number);
|
|
|
|
xact = sess_data->xact_data[cc_request_number].ptr;
|
|
ogs_assert(xact);
|
|
sess = sess_data->sess;
|
|
ogs_assert(sess);
|
|
|
|
gy_message = ogs_calloc(1, sizeof(ogs_diam_gy_message_t));
|
|
ogs_assert(gy_message);
|
|
|
|
/* Set Credit Control Command */
|
|
gy_message->cmd_code = OGS_DIAM_GY_CMD_CODE_CREDIT_CONTROL;
|
|
|
|
/* Value of Result Code */
|
|
ret = fd_msg_search_avp(*msg, ogs_diam_result_code, &avp);
|
|
ogs_assert(ret == 0);
|
|
if (avp) {
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
ogs_assert(ret == 0);
|
|
gy_message->result_code = hdr->avp_value->i32;
|
|
gy_message->err = &gy_message->result_code;
|
|
ogs_debug(" Result Code: %d", hdr->avp_value->i32);
|
|
} else {
|
|
ret = fd_msg_search_avp(*msg, ogs_diam_experimental_result, &avp);
|
|
ogs_assert(ret == 0);
|
|
if (avp) {
|
|
ret = fd_avp_search_avp(
|
|
avp, ogs_diam_experimental_result_code, &avpch1);
|
|
ogs_assert(ret == 0);
|
|
if (avpch1) {
|
|
ret = fd_msg_avp_hdr(avpch1, &hdr);
|
|
ogs_assert(ret == 0);
|
|
gy_message->result_code = hdr->avp_value->i32;
|
|
gy_message->exp_err = &gy_message->result_code;
|
|
ogs_debug(" Experimental Result Code: %d",
|
|
gy_message->result_code);
|
|
}
|
|
} else {
|
|
ogs_error("no Result-Code");
|
|
error++;
|
|
}
|
|
}
|
|
|
|
/* Value of Origin-Host */
|
|
ret = fd_msg_search_avp(*msg, ogs_diam_origin_host, &avp);
|
|
ogs_assert(ret == 0);
|
|
if (avp) {
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
ogs_assert(ret == 0);
|
|
ogs_debug(" From '%.*s'",
|
|
(int)hdr->avp_value->os.len, hdr->avp_value->os.data);
|
|
} else {
|
|
ogs_error("no_Origin-Host");
|
|
error++;
|
|
}
|
|
|
|
/* Value of Origin-Realm */
|
|
ret = fd_msg_search_avp(*msg, ogs_diam_origin_realm, &avp);
|
|
ogs_assert(ret == 0);
|
|
if (avp) {
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
ogs_assert(ret == 0);
|
|
ogs_debug(" ('%.*s')",
|
|
(int)hdr->avp_value->os.len, hdr->avp_value->os.data);
|
|
} else {
|
|
ogs_error("no_Origin-Realm");
|
|
error++;
|
|
}
|
|
|
|
/* Value of CC-Request-Type */
|
|
ret = fd_msg_search_avp(*msg, ogs_diam_gy_cc_request_type, &avp);
|
|
ogs_assert(ret == 0);
|
|
if (!avp && req) {
|
|
/* Attempt searching for CC-Request-* in original request. Error
|
|
* messages (like DIAMETER_UNABLE_TO_DELIVER) crafted internally may not
|
|
* have them. */
|
|
ret = fd_msg_search_avp(req, ogs_diam_gy_cc_request_type, &avp);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
if (!avp) {
|
|
ogs_error("no_CC-Request-Number");
|
|
error++;
|
|
}
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
ogs_assert(ret == 0);
|
|
gy_message->cc_request_type = hdr->avp_value->i32;
|
|
|
|
if (gy_message->result_code != ER_DIAMETER_SUCCESS) {
|
|
ogs_warn("ERROR DIAMETER Result Code(%d)", gy_message->result_code);
|
|
goto out;
|
|
}
|
|
|
|
ret = fd_msg_browse(*msg, MSG_BRW_FIRST_CHILD, &avp, NULL);
|
|
ogs_assert(ret == 0);
|
|
while (avp) {
|
|
ret = fd_msg_avp_hdr(avp, &hdr);
|
|
ogs_assert(ret == 0);
|
|
switch (hdr->avp_code) {
|
|
case AC_SESSION_ID:
|
|
case AC_ORIGIN_HOST:
|
|
if (sess_data->peer_host)
|
|
ogs_free(sess_data->peer_host);
|
|
sess_data->peer_host =
|
|
(os0_t)ogs_strdup((char *)hdr->avp_value->os.data);
|
|
ogs_assert(sess_data->peer_host);
|
|
break;
|
|
case AC_ORIGIN_REALM:
|
|
case AC_DESTINATION_REALM:
|
|
case AC_RESULT_CODE:
|
|
case AC_ROUTE_RECORD:
|
|
case AC_PROXY_INFO:
|
|
case AC_AUTH_APPLICATION_ID:
|
|
break;
|
|
case OGS_DIAM_GY_AVP_CODE_CC_REQUEST_TYPE:
|
|
case OGS_DIAM_GY_AVP_CODE_CC_REQUEST_NUMBER:
|
|
case OGS_DIAM_GY_AVP_CODE_SUPPORTED_FEATURES:
|
|
break;
|
|
case OGS_DIAM_GY_AVP_CODE_MULTIPLE_SERVICES_CREDIT_CONTROL:
|
|
ret = fd_msg_browse(avp, MSG_BRW_FIRST_CHILD, &avpch1, NULL);
|
|
ogs_assert(ret == 0);
|
|
while (avpch1) {
|
|
ret = fd_msg_avp_hdr(avpch1, &hdr);
|
|
ogs_assert(ret == 0);
|
|
switch (hdr->avp_code) {
|
|
case OGS_DIAM_GY_AVP_CODE_GRANTED_SERVICE_UNIT:
|
|
rv = decode_granted_service_unit(
|
|
&gy_message->cca.granted, avpch1, &error);
|
|
ogs_assert(rv == OGS_OK);
|
|
/*TODO: apply gsu */
|
|
break;
|
|
case OGS_DIAM_GY_AVP_CODE_VALIDITY_TIME:
|
|
gy_message->cca.validity_time = hdr->avp_value->u32;
|
|
break;
|
|
default:
|
|
ogs_warn("Not supported(%d)", hdr->avp_code);
|
|
break;
|
|
}
|
|
fd_msg_browse(avpch1, MSG_BRW_NEXT, &avpch1, NULL);
|
|
}
|
|
break;
|
|
default:
|
|
ogs_warn("Not supported(%d)", hdr->avp_code);
|
|
break;
|
|
}
|
|
fd_msg_browse(avp, MSG_BRW_NEXT, &avp, NULL);
|
|
}
|
|
|
|
out:
|
|
if (!error) {
|
|
e = smf_event_new(SMF_EVT_GY_MESSAGE);
|
|
ogs_assert(e);
|
|
|
|
e->sess = sess;
|
|
e->gy_message = gy_message;
|
|
if (gy_message->cc_request_type == OGS_DIAM_GY_CC_REQUEST_TYPE_UPDATE_REQUEST) {
|
|
ogs_assert(sess_data->xact_data[sess_data->cc_request_number].pfcp == true);
|
|
e->pfcp_xact = xact;
|
|
} else {
|
|
ogs_assert(sess_data->xact_data[sess_data->cc_request_number].pfcp == false);
|
|
e->gtp_xact = xact;
|
|
}
|
|
rv = ogs_queue_push(ogs_app()->queue, e);
|
|
if (rv != OGS_OK) {
|
|
ogs_warn("ogs_queue_push() failed:%d", (int)rv);
|
|
ogs_free(gy_message);
|
|
smf_event_free(e);
|
|
} else {
|
|
ogs_pollset_notify(ogs_app()->pollset);
|
|
}
|
|
} else {
|
|
ogs_free(gy_message);
|
|
}
|
|
|
|
/* Free the message */
|
|
ogs_assert(pthread_mutex_lock(&ogs_diam_logger_self()->stats_lock) == 0);
|
|
dur = ((ts.tv_sec - sess_data->ts.tv_sec) * 1000000) +
|
|
((ts.tv_nsec - sess_data->ts.tv_nsec) / 1000);
|
|
if (ogs_diam_logger_self()->stats.nb_recv) {
|
|
/* Ponderate in the avg */
|
|
ogs_diam_logger_self()->stats.avg = (ogs_diam_logger_self()->stats.avg *
|
|
ogs_diam_logger_self()->stats.nb_recv + dur) /
|
|
(ogs_diam_logger_self()->stats.nb_recv + 1);
|
|
/* Min, max */
|
|
if (dur < ogs_diam_logger_self()->stats.shortest)
|
|
ogs_diam_logger_self()->stats.shortest = dur;
|
|
if (dur > ogs_diam_logger_self()->stats.longest)
|
|
ogs_diam_logger_self()->stats.longest = dur;
|
|
} else {
|
|
ogs_diam_logger_self()->stats.shortest = dur;
|
|
ogs_diam_logger_self()->stats.longest = dur;
|
|
ogs_diam_logger_self()->stats.avg = dur;
|
|
}
|
|
if (error)
|
|
ogs_diam_logger_self()->stats.nb_errs++;
|
|
else
|
|
ogs_diam_logger_self()->stats.nb_recv++;
|
|
|
|
ogs_assert(pthread_mutex_unlock(&ogs_diam_logger_self()->stats_lock) == 0);
|
|
|
|
/* Display how long it took */
|
|
if (ts.tv_nsec > sess_data->ts.tv_nsec)
|
|
ogs_trace("in %d.%06ld sec",
|
|
(int)(ts.tv_sec - sess_data->ts.tv_sec),
|
|
(long)(ts.tv_nsec - sess_data->ts.tv_nsec) / 1000);
|
|
else
|
|
ogs_trace("in %d.%06ld sec",
|
|
(int)(ts.tv_sec + 1 - sess_data->ts.tv_sec),
|
|
(long)(1000000000 + ts.tv_nsec - sess_data->ts.tv_nsec) / 1000);
|
|
|
|
ogs_debug(" CC-Request-Type[%d] Number[%d] in Session Data",
|
|
sess_data->cc_request_type, sess_data->cc_request_number);
|
|
ogs_debug(" Current CC-Request-Number[%d]", cc_request_number);
|
|
if (sess_data->cc_request_type ==
|
|
OGS_DIAM_GY_CC_REQUEST_TYPE_TERMINATION_REQUEST &&
|
|
sess_data->cc_request_number <= cc_request_number) {
|
|
ogs_debug(" [LAST] state_cleanup(): [%s]", sess_data->gy_sid);
|
|
state_cleanup(sess_data, NULL, NULL);
|
|
} else {
|
|
ogs_debug(" fd_sess_state_store(): [%s]", sess_data->gy_sid);
|
|
ret = fd_sess_state_store(smf_gy_reg, session, &sess_data);
|
|
ogs_assert(ret == 0);
|
|
ogs_assert(sess_data == NULL);
|
|
}
|
|
|
|
ret = fd_msg_free(*msg);
|
|
ogs_assert(ret == 0);
|
|
*msg = NULL;
|
|
|
|
return;
|
|
}
|
|
|
|
static int smf_gy_fb_cb(struct msg **msg, struct avp *avp,
|
|
struct session *sess, void *opaque, enum disp_action *act)
|
|
{
|
|
/* This CB should never be called */
|
|
ogs_warn("Unexpected message received!");
|
|
|
|
return ENOTSUP;
|
|
}
|
|
|
|
static int smf_gy_rar_cb( struct msg **msg, struct avp *avp,
|
|
struct session *session, void *opaque, enum disp_action *act)
|
|
{
|
|
int rv;
|
|
int ret;
|
|
|
|
struct msg *ans;
|
|
union avp_value val;
|
|
struct sess_state *sess_data = NULL;
|
|
|
|
smf_event_t *e = NULL;
|
|
smf_sess_t *sess = NULL;
|
|
ogs_diam_gy_message_t *gy_message = NULL;
|
|
|
|
uint32_t result_code = OGS_DIAM_UNKNOWN_SESSION_ID;
|
|
|
|
ogs_assert(msg);
|
|
|
|
ogs_debug("Re-Auth-Request");
|
|
|
|
gy_message = ogs_calloc(1, sizeof(ogs_diam_gy_message_t));
|
|
ogs_assert(gy_message);
|
|
|
|
/* Set Credit Control Command */
|
|
gy_message->cmd_code = OGS_DIAM_GY_CMD_RE_AUTH;
|
|
|
|
/* Create answer header */
|
|
ret = fd_msg_new_answer_from_req(fd_g_config->cnf_dict, msg, 0);
|
|
ogs_assert(ret == 0);
|
|
ans = *msg;
|
|
|
|
ret = fd_sess_state_retrieve(smf_gy_reg, session, &sess_data);
|
|
ogs_assert(ret == 0);
|
|
if (!sess_data) {
|
|
ogs_error("No Session Data");
|
|
goto out;
|
|
}
|
|
|
|
/* Get Session Information */
|
|
sess = sess_data->sess;
|
|
ogs_assert(sess);
|
|
|
|
/* TODO: parsing of msg into gy_message */
|
|
|
|
/* Send Gy Event to SMF State Machine */
|
|
e = smf_event_new(SMF_EVT_GY_MESSAGE);
|
|
ogs_assert(e);
|
|
|
|
e->sess = sess;
|
|
e->gy_message = gy_message;
|
|
rv = ogs_queue_push(ogs_app()->queue, e);
|
|
if (rv != OGS_OK) {
|
|
ogs_warn("ogs_queue_push() failed:%d", (int)rv);
|
|
ogs_free(gy_message);
|
|
smf_event_free(e);
|
|
} else {
|
|
ogs_pollset_notify(ogs_app()->pollset);
|
|
}
|
|
|
|
/* Set the Auth-Application-Id AVP */
|
|
ret = fd_msg_avp_new(ogs_diam_auth_application_id, 0, &avp);
|
|
ogs_assert(ret == 0);
|
|
val.i32 = OGS_DIAM_GY_APPLICATION_ID;
|
|
ret = fd_msg_avp_setvalue(avp, &val);
|
|
ogs_assert(ret == 0);
|
|
ret = fd_msg_avp_add(ans, MSG_BRW_LAST_CHILD, avp);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Set the Origin-Host, Origin-Realm, andResult-Code AVPs */
|
|
ret = fd_msg_rescode_set(ans, (char *)"DIAMETER_SUCCESS", NULL, NULL, 1);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Store this value in the session */
|
|
ret = fd_sess_state_store(smf_gy_reg, session, &sess_data);
|
|
ogs_assert(ret == 0);
|
|
ogs_assert(sess_data == NULL);
|
|
|
|
/* Send the answer */
|
|
ret = fd_msg_send(msg, NULL, NULL);
|
|
ogs_assert(ret == 0);
|
|
|
|
ogs_debug("Re-Auth-Answer");
|
|
|
|
/* Add this value to the stats */
|
|
ogs_assert(pthread_mutex_lock(&ogs_diam_logger_self()->stats_lock) == 0);
|
|
ogs_diam_logger_self()->stats.nb_echoed++;
|
|
ogs_assert(pthread_mutex_unlock(&ogs_diam_logger_self()->stats_lock) == 0);
|
|
|
|
return 0;
|
|
|
|
out:
|
|
if (result_code == OGS_DIAM_UNKNOWN_SESSION_ID) {
|
|
ret = fd_msg_rescode_set(ans,
|
|
(char *)"DIAMETER_UNKNOWN_SESSION_ID", NULL, NULL, 1);
|
|
ogs_assert(ret == 0);
|
|
} else {
|
|
ret = ogs_diam_message_experimental_rescode_set(ans, result_code);
|
|
ogs_assert(ret == 0);
|
|
}
|
|
|
|
/* Store this value in the session */
|
|
ret = fd_sess_state_store(smf_gy_reg, session, &sess_data);
|
|
ogs_assert(sess_data == NULL);
|
|
|
|
ret = fd_msg_send(msg, NULL, NULL);
|
|
ogs_assert(ret == 0);
|
|
|
|
ogs_free(gy_message);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int smf_gy_init(void)
|
|
{
|
|
int ret;
|
|
struct disp_when data;
|
|
|
|
ogs_thread_mutex_init(&sess_state_mutex);
|
|
ogs_pool_init(&sess_state_pool, ogs_app()->pool.sess);
|
|
|
|
/* Install objects definitions for this application */
|
|
ret = ogs_diam_gy_init();
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Create handler for sessions */
|
|
ret = fd_sess_handler_create(&smf_gy_reg, state_cleanup, NULL, NULL);
|
|
ogs_assert(ret == 0);
|
|
|
|
memset(&data, 0, sizeof(data));
|
|
data.app = ogs_diam_gy_application;
|
|
|
|
ret = fd_disp_register(smf_gy_fb_cb, DISP_HOW_APPID, &data, NULL,
|
|
&hdl_gy_fb);
|
|
ogs_assert(ret == 0);
|
|
|
|
data.command = ogs_diam_gy_cmd_rar;
|
|
ret = fd_disp_register(smf_gy_rar_cb, DISP_HOW_CC, &data, NULL,
|
|
&hdl_gy_rar);
|
|
ogs_assert(ret == 0);
|
|
|
|
/* Advertise the support for the application in the peer */
|
|
ret = fd_disp_app_support(ogs_diam_gy_application, NULL, 1, 0);
|
|
ogs_assert(ret == 0);
|
|
|
|
return OGS_OK;
|
|
}
|
|
|
|
void smf_gy_final(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = fd_sess_handler_destroy(&smf_gy_reg, NULL);
|
|
ogs_assert(ret == 0);
|
|
|
|
if (hdl_gy_fb)
|
|
(void) fd_disp_unregister(&hdl_gy_fb, NULL);
|
|
if (hdl_gy_rar)
|
|
(void) fd_disp_unregister(&hdl_gy_rar, NULL);
|
|
|
|
ogs_pool_final(&sess_state_pool);
|
|
ogs_thread_mutex_destroy(&sess_state_mutex);
|
|
}
|
|
|
|
static int decode_granted_service_unit(
|
|
ogs_diam_gy_service_unit_t *su, struct avp *avpch1, int *perror)
|
|
{
|
|
int ret = 0, error = 0;
|
|
struct avp *avpch2;
|
|
struct avp_hdr *hdr;
|
|
|
|
ogs_assert(su);
|
|
ogs_assert(avpch1);
|
|
memset(su, 0, sizeof(*su));
|
|
|
|
ret = fd_msg_browse(avpch1, MSG_BRW_FIRST_CHILD, &avpch2, NULL);
|
|
ogs_assert(ret == 0);
|
|
while (avpch2) {
|
|
ret = fd_msg_avp_hdr(avpch2, &hdr);
|
|
ogs_assert(ret == 0);
|
|
switch (hdr->avp_code) {
|
|
case OGS_DIAM_GY_AVP_CODE_CC_TIME:
|
|
su->cc_time_present = true;
|
|
su->cc_time = hdr->avp_value->u32;
|
|
break;
|
|
case OGS_DIAM_GY_AVP_CODE_CC_TOTAL_OCTETS:
|
|
su->cc_total_octets_present = true;
|
|
su->cc_total_octets = hdr->avp_value->u64;
|
|
break;
|
|
case OGS_DIAM_GY_AVP_CODE_CC_INPUT_OCTETS:
|
|
su->cc_input_octets_present = true;
|
|
su->cc_input_octets = hdr->avp_value->u64;
|
|
break;
|
|
case OGS_DIAM_GY_AVP_CODE_CC_OUTPUT_OCTETS:
|
|
su->cc_output_octets_present = true;
|
|
su->cc_output_octets = hdr->avp_value->u64;
|
|
break;
|
|
default:
|
|
ogs_error("Not implemented(%d)", hdr->avp_code);
|
|
break;
|
|
}
|
|
fd_msg_browse(avpch2, MSG_BRW_NEXT, &avpch2, NULL);
|
|
}
|
|
|
|
if (perror)
|
|
*perror = error;
|
|
|
|
return OGS_OK;
|
|
}
|