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extended rrc mobility test to check security configuration of pdcp bearers

This commit is contained in:
Francisco Paisana 2020-08-18 11:27:33 +01:00
parent 42e8453c00
commit 2d55691173
2 changed files with 37 additions and 16 deletions
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30
srsenb/test/upper/rrc_mobility_test.cc
View File

@ -459,8 +459,9 @@ int test_s1ap_tenb_mobility(mobility_test_params test_params)
tester.cfg.cell_list[0].cell_id = 0x02;
tester.cfg.cell_list[0].pci = 2;
TESTASSERT(tester.setup_rrc() == SRSLTE_SUCCESS);
security_cfg_handler sec_cfg{tester.cfg};
/* Receive S1AP Handover Request */
/* TeNB receives S1AP Handover Request */
asn1::s1ap::ho_request_s ho_req;
ho_req.protocol_ies.erab_to_be_setup_list_ho_req.value.resize(1);
auto& erab = ho_req.protocol_ies.erab_to_be_setup_list_ho_req.value[0].value.erab_to_be_setup_item_ho_req();
@ -488,6 +489,21 @@ int test_s1ap_tenb_mobility(mobility_test_params test_params)
TESTASSERT(mac_ue.supported_cc_list[0].active);
TESTASSERT(mac_ue.supported_cc_list[0].enb_cc_idx == 0);
TESTASSERT(mac_ue.ue_bearers[rb_id_t::RB_ID_SRB0].direction == sched_interface::ue_bearer_cfg_t::BOTH);
// Check Security Configuration
TESTASSERT(tester.pdcp.bearers.count(0x46));
TESTASSERT(tester.pdcp.bearers[0x46].count(rb_id_t::RB_ID_SRB1) and
tester.pdcp.bearers[0x46].count(rb_id_t::RB_ID_SRB2));
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].enable_encryption);
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].enable_integrity);
sec_cfg.set_security_capabilities(ho_req.protocol_ies.ue_security_cap.value);
sec_cfg.set_security_key(ho_req.protocol_ies.security_context.value.next_hop_param);
sec_cfg.regenerate_keys_handover(tester.cfg.cell_list[0].pci, tester.cfg.cell_list[0].dl_earfcn);
srslte::as_security_config_t as_sec_cfg = sec_cfg.get_as_sec_cfg();
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].sec_cfg.k_rrc_int == as_sec_cfg.k_rrc_int);
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].sec_cfg.k_rrc_enc == as_sec_cfg.k_rrc_enc);
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].sec_cfg.k_up_int == as_sec_cfg.k_up_int);
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].sec_cfg.cipher_algo == as_sec_cfg.cipher_algo);
TESTASSERT(tester.pdcp.bearers[0x46][rb_id_t::RB_ID_SRB1].sec_cfg.integ_algo == as_sec_cfg.integ_algo);
ho_cmd_s ho_cmd;
asn1::cbit_ref bref{pdu->msg, pdu->N_bytes};
@ -509,12 +525,12 @@ int test_s1ap_tenb_mobility(mobility_test_params test_params)
bearers[0].value.bearers_subject_to_status_transfer_item().ul_coun_tvalue.pdcp_sn = 120;
bearers[0].value.bearers_subject_to_status_transfer_item().ul_coun_tvalue.hfn = 4;
tester.rrc.set_erab_status(0x46, bearers);
TESTASSERT(tester.pdcp.last_state.rnti == 0x46);
TESTASSERT(tester.pdcp.last_state.lcid == 3);
TESTASSERT(tester.pdcp.last_state.state.next_pdcp_tx_sn == 100);
TESTASSERT(tester.pdcp.last_state.state.tx_hfn == 3);
TESTASSERT(tester.pdcp.last_state.state.next_pdcp_rx_sn == 120);
TESTASSERT(tester.pdcp.last_state.state.rx_hfn == 4);
TESTASSERT(tester.pdcp.bearers.count(0x46));
TESTASSERT(tester.pdcp.bearers[0x46].count(3));
TESTASSERT(tester.pdcp.bearers[0x46][3].state.next_pdcp_tx_sn == 100);
TESTASSERT(tester.pdcp.bearers[0x46][3].state.tx_hfn == 3);
TESTASSERT(tester.pdcp.bearers[0x46][3].state.next_pdcp_rx_sn == 120);
TESTASSERT(tester.pdcp.bearers[0x46][3].state.rx_hfn == 4);
// user PRACHs and sends C-RNTI CE
sched_interface::ue_cfg_t ue_cfg{};

23
srsenb/test/upper/test_helpers.h
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@ -115,12 +115,13 @@ public:
uint32_t lcid;
srslte::unique_byte_buffer_t sdu;
} last_sdu;
struct last_bearer_state {
uint16_t rnti;
uint32_t lcid;
srslte::pdcp_lte_state_t state;
} last_state;
std::map<uint16_t, std::map<uint32_t, srslte::pdcp_lte_state_t> > drb_states;
struct lcid_cfg_t {
bool enable_integrity = false;
bool enable_encryption = false;
srslte::pdcp_lte_state_t state{};
srslte::as_security_config_t sec_cfg{};
};
std::map<uint16_t, std::map<uint32_t, lcid_cfg_t> > bearers;
void write_sdu(uint16_t rnti, uint32_t lcid, srslte::unique_byte_buffer_t sdu) override
{
@ -130,11 +131,15 @@ public:
}
bool set_bearer_state(uint16_t rnti, uint32_t lcid, const srslte::pdcp_lte_state_t& state) override
{
last_state.rnti = rnti;
last_state.lcid = lcid;
last_state.state = state;
bearers[rnti][lcid].state = state;
return true;
}
void enable_integrity(uint16_t rnti, uint32_t lcid) override { bearers[rnti][lcid].enable_integrity = true; }
void enable_encryption(uint16_t rnti, uint32_t lcid) override { bearers[rnti][lcid].enable_encryption = true; }
void config_security(uint16_t rnti, uint32_t lcid, srslte::as_security_config_t sec_cfg_) override
{
bearers[rnti][lcid].sec_cfg = sec_cfg_;
}
};
class rlc_mobility_dummy : public rlc_dummy