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482 lines
15 KiB
C++
482 lines
15 KiB
C++
/**
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*
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* \section COPYRIGHT
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*
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* Copyright 2013-2021 Software Radio Systems Limited
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*
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* By using this file, you agree to the terms and conditions set
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* forth in the LICENSE file which can be found at the top level of
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* the distribution.
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*
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*/
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#include "srsran/common/bcd_helpers.h"
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#include "srsran/common/test_common.h"
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#include "srsran/interfaces/ue_pdcp_interfaces.h"
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#include "srsran/srslog/srslog.h"
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#include "srsran/test/ue_test_interfaces.h"
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#include "srsue/hdr/stack/upper/gw.h"
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#include "srsue/hdr/stack/upper/nas.h"
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#include "srsue/hdr/stack/upper/usim.h"
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#include "srsue/hdr/stack/upper/usim_base.h"
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using namespace srsue;
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static_assert(alignof(LIBLTE_BYTE_MSG_STRUCT) == alignof(byte_buffer_t),
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"liblte buffer and byte buffer members misaligned");
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static_assert(offsetof(LIBLTE_BYTE_MSG_STRUCT, N_bytes) == offsetof(byte_buffer_t, N_bytes),
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"liblte buffer and byte buffer members misaligned");
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static_assert(offsetof(LIBLTE_BYTE_MSG_STRUCT, header) == offsetof(byte_buffer_t, buffer),
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"liblte buffer and byte buffer members misaligned");
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static_assert(sizeof(LIBLTE_BYTE_MSG_STRUCT) <= offsetof(byte_buffer_t, msg),
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"liblte buffer and byte buffer members misaligned");
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#define LCID 1
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uint8_t auth_request_pdu[] = {0x07, 0x52, 0x01, 0x0c, 0x63, 0xa8, 0x54, 0x13, 0xe6, 0xa4, 0xce, 0xd9,
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0x86, 0xfb, 0xe5, 0xce, 0x9b, 0x62, 0x5e, 0x10, 0x67, 0x57, 0xb3, 0xc2,
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0xb9, 0x70, 0x90, 0x01, 0x0c, 0x72, 0x8a, 0x67, 0x57, 0x92, 0x52, 0xb8};
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uint8_t sec_mode_command_pdu[] = {0x37, 0x4e, 0xfd, 0x57, 0x11, 0x00, 0x07, 0x5d, 0x02, 0x01, 0x02, 0xf0, 0x70, 0xc1};
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uint8_t attach_accept_pdu[] = {0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x42, 0x01, 0x3e, 0x06, 0x00, 0x00,
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0xf1, 0x10, 0x00, 0x01, 0x00, 0x2a, 0x52, 0x01, 0xc1, 0x01, 0x04, 0x1b, 0x07,
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0x74, 0x65, 0x73, 0x74, 0x31, 0x32, 0x33, 0x06, 0x6d, 0x6e, 0x63, 0x30, 0x30,
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0x31, 0x06, 0x6d, 0x63, 0x63, 0x30, 0x30, 0x31, 0x04, 0x67, 0x70, 0x72, 0x73,
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0x05, 0x01, 0xc0, 0xa8, 0x05, 0x02, 0x27, 0x01, 0x80, 0x50, 0x0b, 0xf6, 0x00,
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0xf1, 0x10, 0x80, 0x01, 0x01, 0x35, 0x16, 0x6d, 0xbc, 0x64, 0x01, 0x00};
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uint8_t esm_info_req_pdu[] = {0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x5a, 0xd9};
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uint8_t activate_dedicated_eps_bearer_pdu[] = {0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x00, 0xc5, 0x05,
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0x01, 0x01, 0x07, 0x21, 0x31, 0x00, 0x03, 0x40, 0x08, 0xae,
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0x5d, 0x02, 0x00, 0xc2, 0x81, 0x34, 0x01, 0x4d};
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uint8_t deactivate_eps_bearer_pdu[] = {0x27, 0x00, 0x00, 0x00, 0x00, 0x00, 0x62, 0x00, 0xcd, 0x24};
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uint16 mcc = 61441;
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uint16 mnc = 65281;
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using namespace srsran;
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namespace srsran {
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// fake classes
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class pdcp_dummy : public rrc_interface_pdcp, public pdcp_interface_gw
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{
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public:
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void write_pdu(uint32_t lcid, unique_byte_buffer_t pdu) {}
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void write_pdu_bcch_bch(unique_byte_buffer_t pdu) {}
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void write_pdu_bcch_dlsch(unique_byte_buffer_t pdu) {}
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void write_pdu_pcch(unique_byte_buffer_t pdu) {}
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void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
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const char* get_rb_name(uint32_t lcid) { return "lcid"; }
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void write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
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bool is_lcid_enabled(uint32_t lcid) { return false; }
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};
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class rrc_dummy : public rrc_interface_nas
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{
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public:
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rrc_dummy() : last_sdu_len(0)
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{
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plmns[0].plmn_id.from_number(mcc, mnc);
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plmns[0].tac = 0xffff;
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}
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void init(nas* nas_) { nas_ptr = nas_; }
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void write_sdu(unique_byte_buffer_t sdu)
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{
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last_sdu_len = sdu->N_bytes;
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// printf("NAS generated SDU (len=%d):\n", sdu->N_bytes);
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// srsran_vec_fprint_byte(stdout, sdu->msg, sdu->N_bytes);
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}
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const char* get_rb_name(uint32_t lcid) { return "lcid"; }
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uint32_t get_last_sdu_len() { return last_sdu_len; }
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void reset() { last_sdu_len = 0; }
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bool plmn_search()
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{
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nas_ptr->plmn_search_completed(plmns, 1);
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return true;
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}
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void plmn_select(srsran::plmn_id_t plmn_id){};
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void set_ue_identity(srsran::s_tmsi_t s_tmsi) {}
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bool connection_request(srsran::establishment_cause_t cause, srsran::unique_byte_buffer_t sdu)
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{
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printf("NAS generated SDU (len=%d):\n", sdu->N_bytes);
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last_sdu_len = sdu->N_bytes;
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srsran_vec_fprint_byte(stdout, sdu->msg, sdu->N_bytes);
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is_connected_flag = true;
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nas_ptr->connection_request_completed(true);
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return true;
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}
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bool is_connected() { return is_connected_flag; }
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uint16_t get_mcc() { return mcc; }
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uint16_t get_mnc() { return mnc; }
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void enable_capabilities() {}
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uint32_t get_lcid_for_eps_bearer(const uint32_t& eps_bearer_id) { return 0; }
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void paging_completed(bool outcome) {}
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bool has_nr_dc() { return false; }
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private:
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nas* nas_ptr;
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uint32_t last_sdu_len;
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nas_interface_rrc::found_plmn_t plmns[nas_interface_rrc::MAX_FOUND_PLMNS];
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bool is_connected_flag = false;
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};
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class test_stack_dummy : public srsue::stack_test_dummy, public stack_interface_gw, public thread
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{
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public:
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test_stack_dummy(pdcp_interface_gw* pdcp_) : pdcp(pdcp_), thread("DUMMY STACK") {}
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void init(srsue::nas* nas_)
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{
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nas = nas_;
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start(-1);
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}
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bool switch_on() { return true; }
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void write_sdu(uint32_t lcid, srsran::unique_byte_buffer_t sdu) { pdcp->write_sdu(lcid, std::move(sdu)); }
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bool is_lcid_enabled(uint32_t lcid) { return pdcp->is_lcid_enabled(lcid); }
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bool is_registered() { return true; }
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bool start_service_request() { return true; }
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void run_thread()
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{
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std::unique_lock<std::mutex> lk(init_mutex);
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running = true;
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init_cv.notify_all();
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lk.unlock();
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while (running) {
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task_sched.tic();
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task_sched.run_pending_tasks();
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nas->run_tti();
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}
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}
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void stop()
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{
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std::unique_lock<std::mutex> lk(init_mutex);
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while (not running) {
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init_cv.wait(lk);
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}
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running = false;
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wait_thread_finish();
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}
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pdcp_interface_gw* pdcp = nullptr;
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srsue::nas* nas = nullptr;
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bool running = false;
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std::mutex init_mutex;
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std::condition_variable init_cv;
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};
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class gw_dummy : public gw_interface_nas, public gw_interface_pdcp
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{
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int setup_if_addr(uint32_t eps_bearer_id,
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uint32_t lcid,
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uint8_t pdn_type,
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uint32_t ip_addr,
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uint8_t* ipv6_if_id,
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char* err_str)
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{
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return SRSRAN_SUCCESS;
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}
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int apply_traffic_flow_template(const uint8_t& eps_bearer_id,
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const uint8_t& lcid,
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const LIBLTE_MME_TRAFFIC_FLOW_TEMPLATE_STRUCT* tft)
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{
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return SRSRAN_SUCCESS;
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}
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void write_pdu(uint32_t lcid, unique_byte_buffer_t pdu) {}
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void write_pdu_mch(uint32_t lcid, srsran::unique_byte_buffer_t sdu) {}
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void set_test_loop_mode(const test_loop_mode_state_t mode, const uint32_t ip_pdu_delay_ms = 0) {}
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};
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} // namespace srsran
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int security_command_test()
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{
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int ret = SRSRAN_ERROR;
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stack_test_dummy stack;
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rrc_dummy rrc_dummy;
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gw_dummy gw;
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usim_args_t args;
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args.algo = "xor";
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args.imei = "353490069873319";
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args.imsi = "001010123456789";
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args.k = "00112233445566778899aabbccddeeff";
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args.op = "63BFA50EE6523365FF14C1F45F88737D";
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args.using_op = true;
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// init USIM
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srsue::usim usim(srslog::fetch_basic_logger("USIM"));
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usim.init(&args);
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{
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srsue::nas nas(&stack.task_sched);
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nas_args_t cfg;
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cfg.eia = "1,2,3";
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cfg.eea = "0,1,2,3";
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nas.init(&usim, &rrc_dummy, &gw, cfg);
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rrc_dummy.init(&nas);
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// push auth request PDU to NAS to generate security context
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, auth_request_pdu, sizeof(auth_request_pdu));
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tmp->N_bytes = sizeof(auth_request_pdu);
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nas.write_pdu(LCID, std::move(tmp));
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// TODO: add check for authentication response
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rrc_dummy.reset();
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// reuse buffer for security mode command
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tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, sec_mode_command_pdu, sizeof(sec_mode_command_pdu));
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tmp->N_bytes = sizeof(sec_mode_command_pdu);
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nas.write_pdu(LCID, std::move(tmp));
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// check length of generated NAS SDU
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if (rrc_dummy.get_last_sdu_len() > 3) {
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ret = SRSRAN_SUCCESS;
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}
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}
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return ret;
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}
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int mme_attach_request_test()
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{
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int ret = SRSRAN_ERROR;
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rrc_dummy rrc_dummy;
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pdcp_dummy pdcp_dummy;
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srsue::usim usim(srslog::fetch_basic_logger("USIM"));
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usim_args_t args;
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args.mode = "soft";
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args.algo = "xor";
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args.imei = "353490069873319";
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args.imsi = "001010123456789";
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args.k = "00112233445566778899aabbccddeeff";
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args.op = "63BFA50EE6523365FF14C1F45F88737D";
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usim.init(&args);
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{
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nas_args_t nas_cfg;
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nas_cfg.force_imsi_attach = true;
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nas_cfg.apn_name = "test123";
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test_stack_dummy stack(&pdcp_dummy);
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srsue::nas nas(&stack.task_sched);
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srsue::gw gw;
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nas.init(&usim, &rrc_dummy, &gw, nas_cfg);
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rrc_dummy.init(&nas);
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gw_args_t gw_args;
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gw_args.tun_dev_name = "tun0";
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gw_args.log.gw_level = "debug";
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gw_args.log.gw_hex_limit = 100000;
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gw.init(gw_args, &stack);
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stack.init(&nas);
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// trigger test
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stack.switch_on();
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stack.stop();
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// this will time out in the first place
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// reset length of last received NAS PDU
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rrc_dummy.reset();
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// finally push attach accept
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byte_buffer_pool* pool = byte_buffer_pool::get_instance();
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unique_byte_buffer_t tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, attach_accept_pdu, sizeof(attach_accept_pdu));
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tmp->N_bytes = sizeof(attach_accept_pdu);
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nas.write_pdu(LCID, std::move(tmp));
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nas_metrics_t metrics;
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nas.get_metrics(&metrics);
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TESTASSERT(metrics.nof_active_eps_bearer == 1);
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// check length of generated NAS SDU (attach complete)
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if (rrc_dummy.get_last_sdu_len() > 3) {
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ret = SRSRAN_SUCCESS;
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}
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// ensure buffers are deleted before pool cleanup
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gw.stop();
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}
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return ret;
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}
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int esm_info_request_test()
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{
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int ret = SRSRAN_ERROR;
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srsue::stack_test_dummy stack{};
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rrc_dummy rrc_dummy;
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gw_dummy gw;
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usim_args_t args;
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args.algo = "xor";
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args.imei = "353490069873319";
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args.imsi = "001010123456789";
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args.k = "00112233445566778899aabbccddeeff";
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args.op = "63BFA50EE6523365FF14C1F45F88737D";
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// init USIM
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srsue::usim usim(srslog::fetch_basic_logger("USIM"));
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usim.init(&args);
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{
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srsue::nas nas(&stack.task_sched);
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nas_args_t cfg;
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cfg.apn_name = "srsran";
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cfg.apn_user = "srsuser";
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cfg.apn_pass = "srspass";
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cfg.force_imsi_attach = true;
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nas.init(&usim, &rrc_dummy, &gw, cfg);
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// push ESM info request PDU to NAS to generate response
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unique_byte_buffer_t tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, esm_info_req_pdu, sizeof(esm_info_req_pdu));
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tmp->N_bytes = sizeof(esm_info_req_pdu);
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nas.write_pdu(LCID, std::move(tmp));
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// check length of generated NAS SDU
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if (rrc_dummy.get_last_sdu_len() > 3) {
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ret = SRSRAN_SUCCESS;
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}
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}
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return ret;
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}
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int dedicated_eps_bearer_test()
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{
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srsue::stack_test_dummy stack;
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rrc_dummy rrc_dummy;
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gw_dummy gw;
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usim_args_t args;
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args.algo = "xor";
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args.imei = "353490069873319";
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args.imsi = "001010123456789";
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args.k = "00112233445566778899aabbccddeeff";
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args.op = "63BFA50EE6523365FF14C1F45F88737D";
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// init USIM
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srsue::usim usim(srslog::fetch_basic_logger("USIM"));
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usim.init(&args);
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srsue::nas nas(&stack.task_sched);
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nas_args_t cfg = {};
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cfg.force_imsi_attach = true; // make sure we get a fresh security context
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nas.init(&usim, &rrc_dummy, &gw, cfg);
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// push dedicated EPS bearer PDU to NAS
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unique_byte_buffer_t tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, activate_dedicated_eps_bearer_pdu, sizeof(activate_dedicated_eps_bearer_pdu));
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tmp->N_bytes = sizeof(activate_dedicated_eps_bearer_pdu);
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nas.write_pdu(LCID, std::move(tmp));
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// This should fail since no default bearer has been created yet
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nas_metrics_t metrics;
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nas.get_metrics(&metrics);
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TESTASSERT(metrics.nof_active_eps_bearer == 0);
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// add default EPS beaerer
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unique_byte_buffer_t attach_with_default_bearer = srsran::make_byte_buffer();
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TESTASSERT(attach_with_default_bearer != nullptr);
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memcpy(attach_with_default_bearer->msg, attach_accept_pdu, sizeof(attach_accept_pdu));
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attach_with_default_bearer->N_bytes = sizeof(attach_accept_pdu);
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nas.write_pdu(LCID, std::move(attach_with_default_bearer));
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// This should fail since no default bearer has been created yet
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nas.get_metrics(&metrics);
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TESTASSERT(metrics.nof_active_eps_bearer == 1);
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// push dedicated bearer activation and check that it was added
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tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, activate_dedicated_eps_bearer_pdu, sizeof(activate_dedicated_eps_bearer_pdu));
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tmp->N_bytes = sizeof(activate_dedicated_eps_bearer_pdu);
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nas.write_pdu(LCID, std::move(tmp));
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nas.get_metrics(&metrics);
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TESTASSERT(metrics.nof_active_eps_bearer == 2);
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// tear-down dedicated bearer
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tmp = srsran::make_byte_buffer();
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TESTASSERT(tmp != nullptr);
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memcpy(tmp->msg, deactivate_eps_bearer_pdu, sizeof(deactivate_eps_bearer_pdu));
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tmp->N_bytes = sizeof(deactivate_eps_bearer_pdu);
|
|
nas.write_pdu(LCID, std::move(tmp));
|
|
nas.get_metrics(&metrics);
|
|
TESTASSERT(metrics.nof_active_eps_bearer == 1);
|
|
|
|
// try to tear-down dedicated bearer again
|
|
tmp = srsran::make_byte_buffer();
|
|
TESTASSERT(tmp != nullptr);
|
|
memcpy(tmp->msg, deactivate_eps_bearer_pdu, sizeof(deactivate_eps_bearer_pdu));
|
|
tmp->N_bytes = sizeof(deactivate_eps_bearer_pdu);
|
|
nas.write_pdu(LCID, std::move(tmp));
|
|
nas.get_metrics(&metrics);
|
|
TESTASSERT(metrics.nof_active_eps_bearer == 1);
|
|
|
|
return SRSRAN_SUCCESS;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
// Setup logging.
|
|
auto& rrc_logger = srslog::fetch_basic_logger("RRC", false);
|
|
rrc_logger.set_level(srslog::basic_levels::debug);
|
|
rrc_logger.set_hex_dump_max_size(100000);
|
|
auto& nas_logger = srslog::fetch_basic_logger("NAS", false);
|
|
nas_logger.set_level(srslog::basic_levels::debug);
|
|
nas_logger.set_hex_dump_max_size(100000);
|
|
auto& usim_logger = srslog::fetch_basic_logger("USIM", false);
|
|
usim_logger.set_level(srslog::basic_levels::debug);
|
|
usim_logger.set_hex_dump_max_size(100000);
|
|
auto& gw_logger = srslog::fetch_basic_logger("GW", false);
|
|
gw_logger.set_level(srslog::basic_levels::debug);
|
|
gw_logger.set_hex_dump_max_size(100000);
|
|
|
|
// Start the log backend.
|
|
srslog::init();
|
|
|
|
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;
|
|
}
|
|
|
|
if (dedicated_eps_bearer_test()) {
|
|
printf("Dedicated EPS bearer test failed.\n");
|
|
return -1;
|
|
}
|
|
|
|
return 0;
|
|
}
|