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289 lines
14 KiB
C++
289 lines
14 KiB
C++
/**
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* This file is part of srsLTE.
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*
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* srsLTE 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
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* published by the Free Software Foundation, either version 3 of
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* the License, or (at your option) any later version.
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*
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* srsLTE 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 Affero General Public License for more details.
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*
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* A copy of the GNU Affero General Public License can be found in
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* the LICENSE file in the top-level directory of this distribution
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* and at http://www.gnu.org/licenses/.
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*
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*/
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#include "srsran/asn1/liblte_mme.h"
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#include "srsran/common/common.h"
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#include "srsran/phy/common/phy_common.h"
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#include <fstream>
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#include <iostream>
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using namespace std;
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int main(int argc, char** argv)
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{
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uint8 pd = 0;
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uint8 msg_type = 0;
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uint8 sec_hdr_type = 0;
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ssize_t ret_in;
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LIBLTE_BYTE_MSG_STRUCT msg;
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LIBLTE_ERROR_ENUM err;
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FILE* fd;
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ZERO_OBJECT(msg);
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if (argc < 2) {
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printf("Please only call me with one parameter\n");
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return 1;
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}
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fd = fopen(argv[1], "rb");
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if (fd == NULL) {
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printf("Error failed to open file %s\n", argv[1]);
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return -1;
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}
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fseek(fd, 0, SEEK_END);
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long fsize = ftell(fd);
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fseek(fd, 0, SEEK_SET); /* same as rewind(f); */
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if (fsize >= LIBLTE_MAX_MSG_SIZE_BYTES) {
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printf("LIBLTE_MAX_MSG_SIZE_BYTES\n");
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fclose(fd);
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return -1;
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}
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size_t read_size = fread(msg.msg, 1, fsize, fd);
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fclose(fd);
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if (read_size != (size_t)fsize) {
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printf("read_size != fsize\n");
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return -1;
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}
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msg.N_bytes = fsize;
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liblte_mme_parse_msg_header(&msg, &pd, &msg_type);
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switch (msg_type) {
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case LIBLTE_MME_MSG_TYPE_ATTACH_REQUEST:
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LIBLTE_MME_ATTACH_REQUEST_MSG_STRUCT attach_req;
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err = liblte_mme_unpack_attach_request_msg(&msg, &attach_req);
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break;
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case LIBLTE_MME_MSG_TYPE_ATTACH_ACCEPT:
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LIBLTE_MME_ATTACH_ACCEPT_MSG_STRUCT attach_accept;
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err = liblte_mme_unpack_attach_accept_msg(&msg, &attach_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_ATTACH_COMPLETE:
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LIBLTE_MME_ATTACH_COMPLETE_MSG_STRUCT attach_complete;
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err = liblte_mme_unpack_attach_complete_msg(&msg, &attach_complete);
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break;
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case LIBLTE_MME_MSG_TYPE_ATTACH_REJECT:
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LIBLTE_MME_ATTACH_REJECT_MSG_STRUCT attach_reject;
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err = liblte_mme_unpack_attach_reject_msg(&msg, &attach_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_DETACH_REQUEST:
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LIBLTE_MME_DETACH_REQUEST_MSG_STRUCT detach_request;
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err = liblte_mme_unpack_detach_request_msg(&msg, &detach_request);
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break;
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case LIBLTE_MME_MSG_TYPE_DETACH_ACCEPT:
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LIBLTE_MME_DETACH_ACCEPT_MSG_STRUCT detach_accept;
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err = liblte_mme_unpack_detach_accept_msg(&msg, &detach_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_TRACKING_AREA_UPDATE_ACCEPT:
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LIBLTE_MME_TRACKING_AREA_UPDATE_ACCEPT_MSG_STRUCT ta_update_accept;
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err = liblte_mme_unpack_tracking_area_update_accept_msg(&msg, &ta_update_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_TRACKING_AREA_UPDATE_REJECT:
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LIBLTE_MME_TRACKING_AREA_UPDATE_REJECT_MSG_STRUCT ta_update_reject;
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err = liblte_mme_unpack_tracking_area_update_reject_msg(&msg, &ta_update_reject);
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break;
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/* NOT IMPLEMENTED
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case LIBLTE_MME_MSG_TYPE_TRACKING_AREA_UPDATE_REQUEST:
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LIBLTE_MME_TRACKING_AREA_UPDATE_REQUEST_MSG_STRUCT ta_update_request;
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err = liblte_mme_unpack_tracking_area_update_request_msg(&msg, &ta_update_request);
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break;
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*/
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case LIBLTE_MME_MSG_TYPE_TRACKING_AREA_UPDATE_COMPLETE:
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LIBLTE_MME_TRACKING_AREA_UPDATE_COMPLETE_MSG_STRUCT ta_update_complete;
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err = liblte_mme_unpack_tracking_area_update_complete_msg(&msg, &ta_update_complete);
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break;
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case LIBLTE_MME_MSG_TYPE_EXTENDED_SERVICE_REQUEST:
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LIBLTE_MME_EXTENDED_SERVICE_REQUEST_MSG_STRUCT ext_service;
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err = liblte_mme_unpack_extended_service_request_msg(&msg, &ext_service);
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break;
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case LIBLTE_MME_MSG_TYPE_SERVICE_REJECT: // Service reject
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LIBLTE_MME_SERVICE_REJECT_MSG_STRUCT service_reject;
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err = liblte_mme_unpack_service_reject_msg(&msg, &service_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_GUTI_REALLOCATION_COMMAND: // GUTI reallocation command
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LIBLTE_MME_GUTI_REALLOCATION_COMMAND_MSG_STRUCT guti_realloc_cmd;
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err = liblte_mme_unpack_guti_reallocation_command_msg(&msg, &guti_realloc_cmd);
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break;
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case LIBLTE_MME_MSG_TYPE_GUTI_REALLOCATION_COMPLETE:
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LIBLTE_MME_GUTI_REALLOCATION_COMPLETE_MSG_STRUCT guti_realloc_cmplt;
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err = liblte_mme_unpack_guti_reallocation_complete_msg(&msg, &guti_realloc_cmplt);
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break;
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case LIBLTE_MME_MSG_TYPE_AUTHENTICATION_REJECT:
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LIBLTE_MME_AUTHENTICATION_REJECT_MSG_STRUCT auth_reject;
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err = liblte_mme_unpack_authentication_reject_msg(&msg, &auth_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_AUTHENTICATION_RESPONSE:
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LIBLTE_MME_AUTHENTICATION_RESPONSE_MSG_STRUCT auth_response;
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err = liblte_mme_unpack_authentication_response_msg(&msg, &auth_response);
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break;
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case LIBLTE_MME_MSG_TYPE_AUTHENTICATION_REQUEST:
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LIBLTE_MME_AUTHENTICATION_REQUEST_MSG_STRUCT auth_req;
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err = liblte_mme_unpack_authentication_request_msg(&msg, &auth_req);
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break;
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case LIBLTE_MME_MSG_TYPE_IDENTITY_REQUEST:
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LIBLTE_MME_ID_REQUEST_MSG_STRUCT identity_request;
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err = liblte_mme_unpack_identity_request_msg(&msg, &identity_request);
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break;
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case LIBLTE_MME_MSG_TYPE_IDENTITY_RESPONSE:
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LIBLTE_MME_ID_RESPONSE_MSG_STRUCT identity_response;
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err = liblte_mme_unpack_identity_response_msg(&msg, &identity_response);
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break;
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case LIBLTE_MME_MSG_TYPE_SECURITY_MODE_COMMAND:
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LIBLTE_MME_SECURITY_MODE_COMMAND_MSG_STRUCT sec_mode_cmd;
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err = liblte_mme_unpack_security_mode_command_msg(&msg, &sec_mode_cmd);
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break;
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case LIBLTE_MME_MSG_TYPE_SECURITY_MODE_COMPLETE:
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LIBLTE_MME_SECURITY_MODE_COMPLETE_MSG_STRUCT sec_mode_cmplt;
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err = liblte_mme_unpack_security_mode_complete_msg(&msg, &sec_mode_cmplt);
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break;
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case LIBLTE_MME_MSG_TYPE_SECURITY_MODE_REJECT:
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LIBLTE_MME_SECURITY_MODE_REJECT_MSG_STRUCT sec_mode_reject;
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err = liblte_mme_unpack_security_mode_reject_msg(&msg, &sec_mode_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_EMM_INFORMATION:
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LIBLTE_MME_EMM_INFORMATION_MSG_STRUCT emm_info;
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err = liblte_mme_unpack_emm_information_msg(&msg, &emm_info);
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break;
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case LIBLTE_MME_MSG_TYPE_EMM_STATUS:
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LIBLTE_MME_EMM_STATUS_MSG_STRUCT emm_status;
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err = liblte_mme_unpack_emm_status_msg(&msg, &emm_status);
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break;
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case LIBLTE_MME_MSG_TYPE_DOWNLINK_NAS_TRANSPORT:
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LIBLTE_MME_DOWNLINK_NAS_TRANSPORT_MSG_STRUCT dl_nas_transport;
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err = liblte_mme_unpack_downlink_nas_transport_msg(&msg, &dl_nas_transport);
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break;
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/* NOT IMPLEMENTED
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case LIBLTE_MME_MSG_TYPE_CS_SERVICE_NOTIFICATION: // CS Service notification
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LIBLTE_MME_MSG_TYPE_CS_SERVICE_NOTIFICATION cs_service_notification;
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err = liblte_mme_unpack_cs_servicie_notification_msg(&msg, cs_service_notification);
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break;
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*/
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case LIBLTE_MME_MSG_TYPE_DOWNLINK_GENERIC_NAS_TRANSPORT:
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LIBLTE_MME_DOWNLINK_GENERIC_NAS_TRANSPORT_MSG_STRUCT dl_generic_nas_transport;
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err = liblte_mme_unpack_downlink_generic_nas_transport_msg(&msg, &dl_generic_nas_transport);
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break;
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case LIBLTE_MME_MSG_TYPE_UPLINK_GENERIC_NAS_TRANSPORT:
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LIBLTE_MME_UPLINK_GENERIC_NAS_TRANSPORT_MSG_STRUCT ul_generic_nas_transport;
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err = liblte_mme_unpack_uplink_generic_nas_transport_msg(&msg, &ul_generic_nas_transport);
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break;
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case LIBLTE_MME_MSG_TYPE_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST:
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LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT act_def_eps_bearer;
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err = liblte_mme_unpack_activate_default_eps_bearer_context_request_msg(&msg, &act_def_eps_bearer);
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break;
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case LIBLTE_MME_MSG_TYPE_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT:
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LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_ACCEPT_MSG_STRUCT act_def_eps_bearer_accept;
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err = liblte_mme_unpack_activate_default_eps_bearer_context_accept_msg(&msg, &act_def_eps_bearer_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REJECT:
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LIBLTE_MME_ACTIVATE_DEFAULT_EPS_BEARER_CONTEXT_REJECT_MSG_STRUCT act_def_eps_bearer_reject;
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err = liblte_mme_unpack_activate_default_eps_bearer_context_reject_msg(&msg, &act_def_eps_bearer_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST:
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LIBLTE_MME_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT act_ded_eps_bearer_request;
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err = liblte_mme_unpack_activate_dedicated_eps_bearer_context_request_msg(&msg, &act_ded_eps_bearer_request);
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break;
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case LIBLTE_MME_MSG_TYPE_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT:
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LIBLTE_MME_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_ACCEPT_MSG_STRUCT act_ded_eps_bearer_accept;
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err = liblte_mme_unpack_activate_dedicated_eps_bearer_context_accept_msg(&msg, &act_ded_eps_bearer_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REJECT:
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LIBLTE_MME_ACTIVATE_DEDICATED_EPS_BEARER_CONTEXT_REJECT_MSG_STRUCT act_ded_eps_bearer_reject;
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err = liblte_mme_unpack_activate_dedicated_eps_bearer_context_reject_msg(&msg, &act_ded_eps_bearer_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_MODIFY_EPS_BEARER_CONTEXT_REQUEST:
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LIBLTE_MME_MODIFY_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT mod_eps_bearer_request;
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err = liblte_mme_unpack_modify_eps_bearer_context_request_msg(&msg, &mod_eps_bearer_request);
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break;
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case LIBLTE_MME_MSG_TYPE_MODIFY_EPS_BEARER_CONTEXT_ACCEPT:
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LIBLTE_MME_MODIFY_EPS_BEARER_CONTEXT_ACCEPT_MSG_STRUCT mod_eps_bearer_accept;
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err = liblte_mme_unpack_modify_eps_bearer_context_accept_msg(&msg, &mod_eps_bearer_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_MODIFY_EPS_BEARER_CONTEXT_REJECT:
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LIBLTE_MME_MODIFY_EPS_BEARER_CONTEXT_REJECT_MSG_STRUCT mod_eps_bearer_reject;
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err = liblte_mme_unpack_modify_eps_bearer_context_reject_msg(&msg, &mod_eps_bearer_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST:
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LIBLTE_MME_DEACTIVATE_EPS_BEARER_CONTEXT_REQUEST_MSG_STRUCT deactivate_eps_bearer_request;
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err = liblte_mme_unpack_deactivate_eps_bearer_context_request_msg(&msg, &deactivate_eps_bearer_request);
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break;
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case LIBLTE_MME_MSG_TYPE_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT:
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LIBLTE_MME_DEACTIVATE_EPS_BEARER_CONTEXT_ACCEPT_MSG_STRUCT deactivate_eps_bearer_accept;
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err = liblte_mme_unpack_deactivate_eps_bearer_context_accept_msg(&msg, &deactivate_eps_bearer_accept);
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break;
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case LIBLTE_MME_MSG_TYPE_PDN_CONNECTIVITY_REQUEST:
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LIBLTE_MME_PDN_CONNECTIVITY_REQUEST_MSG_STRUCT pdn_connectivity_request;
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err = liblte_mme_unpack_pdn_connectivity_request_msg(&msg, &pdn_connectivity_request);
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break;
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case LIBLTE_MME_MSG_TYPE_PDN_CONNECTIVITY_REJECT:
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LIBLTE_MME_PDN_CONNECTIVITY_REJECT_MSG_STRUCT pdn_connectivity_reject;
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err = liblte_mme_unpack_pdn_connectivity_reject_msg(&msg, &pdn_connectivity_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_PDN_DISCONNECT_REQUEST:
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LIBLTE_MME_PDN_DISCONNECT_REQUEST_MSG_STRUCT pdn_disconnect_request;
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err = liblte_mme_unpack_pdn_disconnect_request_msg(&msg, &pdn_disconnect_request);
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break;
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case LIBLTE_MME_MSG_TYPE_PDN_DISCONNECT_REJECT:
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LIBLTE_MME_PDN_DISCONNECT_REJECT_MSG_STRUCT pdn_disconnect_reject;
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err = liblte_mme_unpack_pdn_disconnect_reject_msg(&msg, &pdn_disconnect_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_BEARER_RESOURCE_ALLOCATION_REQUEST:
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LIBLTE_MME_BEARER_RESOURCE_ALLOCATION_REQUEST_MSG_STRUCT rsrc_alloc_request;
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err = liblte_mme_unpack_bearer_resource_allocation_request_msg(&msg, &rsrc_alloc_request);
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break;
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case LIBLTE_MME_MSG_TYPE_BEARER_RESOURCE_ALLOCATION_REJECT:
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LIBLTE_MME_BEARER_RESOURCE_ALLOCATION_REJECT_MSG_STRUCT rsrc_alloc_reject;
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err = liblte_mme_unpack_bearer_resource_allocation_reject_msg(&msg, &rsrc_alloc_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_BEARER_RESOURCE_MODIFICATION_REQUEST:
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LIBLTE_MME_BEARER_RESOURCE_MODIFICATION_REQUEST_MSG_STRUCT rsrc_mod_request;
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err = liblte_mme_unpack_bearer_resource_modification_request_msg(&msg, &rsrc_mod_request);
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break;
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case LIBLTE_MME_MSG_TYPE_BEARER_RESOURCE_MODIFICATION_REJECT:
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LIBLTE_MME_BEARER_RESOURCE_MODIFICATION_REJECT_MSG_STRUCT rsrc_mod_reject;
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err = liblte_mme_unpack_bearer_resource_modification_reject_msg(&msg, &rsrc_mod_reject);
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break;
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case LIBLTE_MME_MSG_TYPE_ESM_INFORMATION_REQUEST:
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LIBLTE_MME_ESM_INFORMATION_REQUEST_MSG_STRUCT esm_information_request;
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err = liblte_mme_unpack_esm_information_request_msg(&msg, &esm_information_request);
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break;
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case LIBLTE_MME_MSG_TYPE_ESM_INFORMATION_RESPONSE:
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LIBLTE_MME_ESM_INFORMATION_RESPONSE_MSG_STRUCT esm_information_response;
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err = liblte_mme_unpack_esm_information_response_msg(&msg, &esm_information_response);
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break;
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case LIBLTE_MME_MSG_TYPE_NOTIFICATION:
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LIBLTE_MME_NOTIFICATION_MSG_STRUCT notification;
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err = liblte_mme_unpack_notification_msg(&msg, ¬ification);
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break;
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case LIBLTE_MME_MSG_TYPE_ESM_STATUS:
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LIBLTE_MME_ESM_STATUS_MSG_STRUCT esm_status;
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err = liblte_mme_unpack_esm_status_msg(&msg, &esm_status);
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break;
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break;
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default:
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err = LIBLTE_SUCCESS;
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break;
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}
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return (err == LIBLTE_SUCCESS);
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}
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