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srsRAN/srsue/test/upper/nas_test.cc

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/**
*
* \section COPYRIGHT
*
* Copyright 2013-2015 Software Radio Systems Limited
*
* \section LICENSE
*
* This file is part of the srsUE library.
*
* srsUE 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.
*
* srsUE 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 Affero General Public License for more details.
*
* A copy of the GNU Affero General Public License can be found in
* the LICENSE file in the top-level directory of this distribution
* and at http://www.gnu.org/licenses/.
*
*/
#include <iostream>
#include <assert.h>
#include "srsue/hdr/upper/usim_base.h"
#include "srsue/hdr/upper/usim.h"
#include "srsue/hdr/upper/nas.h"
#include "srslte/upper/rlc.h"
#include "srsue/hdr/upper/rrc.h"
#include "srsue/hdr/mac/mac.h"
#include "srslte/common/log_filter.h"
#include "srslte/upper/pdcp_entity.h"
#include "srslte/upper/pdcp.h"
#include "srslte/interfaces/ue_interfaces.h"
#include "srslte/common/bcd_helpers.h"
using namespace srsue;
#define LCID 1
uint8_t auth_request_pdu[] = { 0x07, 0x52, 0x01, 0x0c, 0x63, 0xa8, 0x54, 0x13, 0xe6, 0xa4,
0xce, 0xd9, 0x86, 0xfb, 0xe5, 0xce, 0x9b, 0x62, 0x5e, 0x10,
0x67, 0x57, 0xb3, 0xc2, 0xb9, 0x70, 0x90, 0x01, 0x0c, 0x72,
0x8a, 0x67, 0x57, 0x92, 0x52, 0xb8 };
uint8_t sec_mode_command_pdu[] = { 0x37, 0x37, 0xc7, 0x67, 0xae, 0x00, 0x07, 0x5d, 0x02, 0x01,
0x02, 0xe0, 0x60, 0xc1 };
uint8_t attach_accept_pdu[] = { 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x42, 0x01, 0x3e,
0x06, 0x00, 0x00, 0xf1, 0x10, 0x00, 0x01, 0x00, 0x2a, 0x52,
0x01, 0xc1, 0x01, 0x04, 0x1b, 0x07, 0x74, 0x65, 0x73, 0x74,
0x31, 0x32, 0x33, 0x06, 0x6d, 0x6e, 0x63, 0x30, 0x30, 0x31,
0x06, 0x6d, 0x63, 0x63, 0x30, 0x30, 0x31, 0x04, 0x67, 0x70,
0x72, 0x73, 0x05, 0x01, 0xc0, 0xa8, 0x05, 0x02, 0x27, 0x01,
0x80, 0x50, 0x0b, 0xf6, 0x00, 0xf1, 0x10, 0x80, 0x01, 0x01,
0x35, 0x16, 0x6d, 0xbc, 0x64, 0x01, 0x00 };
uint8_t esm_info_req_pdu[] = { 0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x5a, 0xd9 };
uint16 mcc = 61441;
uint16 mnc = 65281;
using namespace srslte;
namespace srslte {
// fake classes
class pdcp_dummy : public rrc_interface_pdcp
{
public:
void write_pdu(uint32_t lcid, byte_buffer_t *pdu) {}
void write_pdu_bcch_bch(byte_buffer_t *pdu) {}
void write_pdu_bcch_dlsch(byte_buffer_t *pdu) {}
void write_pdu_pcch(byte_buffer_t *pdu) {}
void write_pdu_mch(uint32_t lcid, srslte::byte_buffer_t *sdu) {}
std::string get_rb_name(uint32_t lcid) { return std::string("lcid"); }
};
class rrc_dummy : public rrc_interface_nas
{
public:
rrc_dummy() : last_sdu_len(0) {
plmns.plmn_id.mcc = mcc;
plmns.plmn_id.mnc = mnc;
plmns.tac = 0xffff;
}
void write_sdu(uint32_t lcid, byte_buffer_t *sdu)
{
last_sdu_len = sdu->N_bytes;
//printf("NAS generated SDU (len=%d):\n", sdu->N_bytes);
//srslte_vec_fprint_byte(stdout, sdu->msg, sdu->N_bytes);
byte_buffer_pool::get_instance()->deallocate(sdu);
}
std::string get_rb_name(uint32_t lcid) { return std::string("lcid"); }
uint32_t get_last_sdu_len() { return last_sdu_len; }
void reset() { last_sdu_len = 0; }
int plmn_search(srsue::rrc_interface_nas::found_plmn_t* found) {
memcpy(found, &plmns, sizeof(found_plmn_t));
return 1;
};
void plmn_select(LIBLTE_RRC_PLMN_IDENTITY_STRUCT plmn_id) {};
void set_ue_idenity(LIBLTE_RRC_S_TMSI_STRUCT s_tmsi) {}
bool connection_request(LIBLTE_RRC_CON_REQ_EST_CAUSE_ENUM cause, srslte::byte_buffer_t *sdu) {
printf("NAS generated SDU (len=%d):\n", sdu->N_bytes);
last_sdu_len = sdu->N_bytes;
srslte_vec_fprint_byte(stdout, sdu->msg, sdu->N_bytes);
byte_buffer_pool::get_instance()->deallocate(sdu);
return true;
}
bool is_connected() {return false;}
uint16_t get_mcc() { return mcc; }
uint16_t get_mnc() { return mnc; }
void enable_capabilities() {}
private:
uint32_t last_sdu_len;
found_plmn_t plmns;
};
class gw_dummy : public gw_interface_nas, public gw_interface_pdcp
{
error_t setup_if_addr(uint32_t ip_addr, char *err_str) { return ERROR_NONE; }
error_t setup_if_addr6(uint8_t *ipv6_if_id, char *err_str) { return ERROR_NONE; }
void write_pdu(uint32_t lcid, byte_buffer_t *pdu) {}
void write_pdu_mch(uint32_t lcid, srslte::byte_buffer_t *sdu) {}
};
}
int security_command_test()
{
int ret = SRSLTE_ERROR;
srslte::log_filter nas_log("NAS");
srslte::log_filter rrc_log("RRC");
srslte::log_filter mac_log("MAC");
srslte::log_filter usim_log("USIM");
nas_log.set_level(srslte::LOG_LEVEL_DEBUG);
rrc_log.set_level(srslte::LOG_LEVEL_DEBUG);
nas_log.set_hex_limit(100000);
rrc_log.set_hex_limit(100000);
rrc_dummy rrc_dummy;
gw_dummy gw;
usim_args_t args;
args.algo = "xor";
args.imei = "353490069873319";
args.imsi = "001010123456789";
args.k = "00112233445566778899aabbccddeeff";
args.op = "63BFA50EE6523365FF14C1F45F88737D";
// init USIM
srsue::usim usim;
bool net_valid;
uint8_t res[16];
usim.init(&args, &usim_log);
srsue::nas nas;
srslte_nas_config_t cfg;
ZERO_OBJECT(cfg);
nas.init(&usim, &rrc_dummy, &gw, &nas_log, cfg);
// push auth request PDU to NAS to generate security context
byte_buffer_t* tmp = byte_buffer_pool::get_instance()->allocate();
memcpy(tmp->msg, auth_request_pdu, sizeof(auth_request_pdu));
tmp->N_bytes = sizeof(auth_request_pdu);
nas.write_pdu(LCID, tmp);
// TODO: add check for authentication response
rrc_dummy.reset();
// reuse buffer for security mode command
memcpy(tmp->msg, sec_mode_command_pdu, sizeof(sec_mode_command_pdu));
tmp->N_bytes = sizeof(sec_mode_command_pdu);
nas.write_pdu(LCID, tmp);
// check length of generated NAS SDU
if (rrc_dummy.get_last_sdu_len() > 3) {
ret = SRSLTE_SUCCESS;
}
byte_buffer_pool::get_instance()->cleanup();
return ret;
}
int mme_attach_request_test()
{
int ret = SRSLTE_ERROR;
srslte::log_filter nas_log("NAS");
srslte::log_filter rrc_log("RRC");
srslte::log_filter mac_log("MAC");
srslte::log_filter usim_log("USIM");
nas_log.set_level(srslte::LOG_LEVEL_DEBUG);
rrc_log.set_level(srslte::LOG_LEVEL_DEBUG);
usim_log.set_level(srslte::LOG_LEVEL_DEBUG);
nas_log.set_hex_limit(100000);
rrc_log.set_hex_limit(100000);
usim_log.set_hex_limit(100000);
rrc_dummy rrc_dummy;
gw_dummy gw;
srsue::usim usim;
usim_args_t args;
args.mode = "soft";
args.algo = "xor";
args.imei = "353490069873319";
args.imsi = "001010123456789";
args.k = "00112233445566778899aabbccddeeff";
args.op = "63BFA50EE6523365FF14C1F45F88737D";
usim.init(&args, &usim_log);
srslte_nas_config_t nas_cfg;
ZERO_OBJECT(nas_cfg);
nas_cfg.force_imsi_attach = true;
nas_cfg.apn = "test123";
srsue::nas nas;
nas.init(&usim, &rrc_dummy, &gw, &nas_log, nas_cfg);
nas.attach_request();
// this will time out in the first place
// reset length of last received NAS PDU
rrc_dummy.reset();
// finally push attach accept
byte_buffer_t* tmp = byte_buffer_pool::get_instance()->allocate();
memcpy(tmp->msg, attach_accept_pdu, sizeof(attach_accept_pdu));
tmp->N_bytes = sizeof(attach_accept_pdu);
nas.write_pdu(LCID, tmp);
// check length of generated NAS SDU (attach complete)
if (rrc_dummy.get_last_sdu_len() > 3) {
ret = SRSLTE_SUCCESS;
}
byte_buffer_pool::get_instance()->cleanup();
return ret;
}
int esm_info_request_test()
{
int ret = SRSLTE_ERROR;
srslte::log_filter nas_log("NAS");
srslte::log_filter rrc_log("RRC");
srslte::log_filter mac_log("MAC");
srslte::log_filter usim_log("USIM");
nas_log.set_level(srslte::LOG_LEVEL_DEBUG);
rrc_log.set_level(srslte::LOG_LEVEL_DEBUG);
nas_log.set_hex_limit(100000);
rrc_log.set_hex_limit(100000);
rrc_dummy rrc_dummy;
gw_dummy gw;
usim_args_t args;
args.algo = "xor";
args.imei = "353490069873319";
args.imsi = "001010123456789";
args.k = "00112233445566778899aabbccddeeff";
args.op = "63BFA50EE6523365FF14C1F45F88737D";
// init USIM
srsue::usim usim;
bool net_valid;
uint8_t res[16];
usim.init(&args, &usim_log);
srslte::byte_buffer_pool *pool;
pool = byte_buffer_pool::get_instance();
srsue::nas nas;
srslte_nas_config_t cfg;
ZERO_OBJECT(cfg);
cfg.apn = "srslte";
cfg.user = "srsuser";
cfg.pass = "srspass";
cfg.force_imsi_attach = true;
nas.init(&usim, &rrc_dummy, &gw, &nas_log, cfg);
// push ESM info request PDU to NAS to generate response
byte_buffer_t* tmp = pool->allocate();
memcpy(tmp->msg, esm_info_req_pdu, sizeof(esm_info_req_pdu));
tmp->N_bytes = sizeof(esm_info_req_pdu);
nas.write_pdu(LCID, tmp);
// check length of generated NAS SDU
if (rrc_dummy.get_last_sdu_len() > 3) {
ret = SRSLTE_SUCCESS;
}
pool->cleanup();
return ret;
}
int main(int argc, char **argv)
{
if (security_command_test()) {
printf("Security command test failed.\n");
return -1;
}
if (mme_attach_request_test()) {
printf("Attach request test failed.\n");
return -1;
}
if (esm_info_request_test()) {
printf("ESM info request test failed.\n");
return -1;
}
return 0;
}
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