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srsLTE
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Fix handle_authentication_request and add handler for authentication reject

This commit is contained in:
Bedran Karakoc 2021-09-20 16:06:22 +02:00 committed by Bedran Karakoc
parent e8bcc0a61e
commit a4cc9b6ca0
2 changed files with 12 additions and 7 deletions
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1
srsue/hdr/stack/upper/nas_5g.h
View File

@ -143,6 +143,7 @@ private:
int handle_registration_accept(srsran::nas_5g::registration_accept_t& registration_accept);
int handle_registration_reject(srsran::nas_5g::registration_reject_t& registration_reject);
int handle_authentication_request(srsran::nas_5g::authentication_request_t& authentication_request);
int handle_authentication_reject(srsran::nas_5g::authentication_reject_t& authentication_reject);
int handle_identity_request(srsran::nas_5g::identity_request_t& identity_request);
int handle_service_accept(srsran::nas_5g::service_accept_t& service_accept);
int handle_service_reject(srsran::nas_5g::service_reject_t& service_reject);

18
srsue/src/stack/upper/nas_5g.cc
View File

@ -199,6 +199,9 @@ int nas_5g::write_pdu(srsran::unique_byte_buffer_t pdu)
case msg_opts::options::registration_reject:
handle_registration_reject(nas_msg.registration_reject());
break;
case msg_opts::options::authentication_reject:
handle_authentication_reject(nas_msg.authentication_reject());
break;
case msg_opts::options::authentication_request:
handle_authentication_request(nas_msg.authentication_request());
break;
@ -403,7 +406,7 @@ int nas_5g::send_security_mode_complete(const srsran::nas_5g::security_mode_comm
imeisv.imeisv[14] = ue_svn_oct1;
imeisv.imeisv[15] = ue_svn_oct2;
}
// TODO: Save TMSI
registration_request_t& modified_registration_request = initial_registration_request_stored.registration_request();
modified_registration_request.capability_5gmm_present = true;
modified_registration_request.requested_nssai_present = true;
@ -475,7 +478,6 @@ int nas_5g::send_authentication_failure(const cause_5gmm_t::cause_5gmm_type_::op
pcap->write_nas(pdu.get()->msg, pdu.get()->N_bytes);
}
logger.info("Sending Authentication Failure");
rrc_nr->write_sdu(std::move(pdu));
return SRSRAN_SUCCESS;
@ -776,11 +778,6 @@ int nas_5g::handle_authentication_request(authentication_request_t& authenticati
logger.info(ctxt_5g.k_amf, 32, "Generated k_amf:");
if (ctxt.ksi == authentication_request.ng_ksi.nas_key_set_identifier.value) {
send_authentication_failure(cause_5gmm_t::cause_5gmm_type_::ng_ksi_already_in_use, res);
return SRSRAN_ERROR;
}
if (auth_result == AUTH_OK) {
logger.info("Network authentication successful");
send_authentication_response(res_star);
@ -799,6 +796,13 @@ int nas_5g::handle_authentication_request(authentication_request_t& authenticati
return SRSRAN_SUCCESS;
}
int nas_5g::handle_authentication_reject(srsran::nas_5g::authentication_reject_t& authentication_reject)
{
logger.info("Handling Authentication Reject");
state.set_deregistered(mm5g_state_t::deregistered_substate_t::plmn_search);
return SRSRAN_SUCCESS;
}
int nas_5g::handle_identity_request(identity_request_t& identity_request)
{
logger.info("Handling Identity Request");