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srsRAN_4G
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Added EIA3 and EEA3 to default UE capabilities to srsUE. Added parsers for EEA3/EIA3 config options in srsENB and srsEPC

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master
Pedro Alvarez 5 years ago committed by Andre Puschmann
parent 4ff70b6008
commit 1ae8ccda8c
4 changed files with 36 additions and 4 deletions
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6
srsenb/src/enb.cc
Unescape Escape View File

@ -220,6 +220,9 @@ int enb::parse_args(const all_args_t& args_)
} else if ((*it) == "EEA2") {
rrc_cfg.eea_preference_list[i] = srslte::CIPHERING_ALGORITHM_ID_128_EEA2;
i++;
} else if ((*it) == "EEA3") {
rrc_cfg.eea_preference_list[i] = srslte::CIPHERING_ALGORITHM_ID_128_EEA3;
i++;
} else {
fprintf(stderr, "Failed to parse EEA prefence list %s \n", args.general.eea_pref_list.c_str());
return SRSLTE_ERROR;
@ -241,6 +244,9 @@ int enb::parse_args(const all_args_t& args_)
} else if ((*it) == "EIA2") {
rrc_cfg.eia_preference_list[i] = srslte::INTEGRITY_ALGORITHM_ID_128_EIA2;
i++;
} else if ((*it) == "EIA3") {
rrc_cfg.eia_preference_list[i] = srslte::INTEGRITY_ALGORITHM_ID_128_EIA3;
i++;
} else {
fprintf(stderr, "Failed to parse EIA prefence list %s \n", args.general.eia_pref_list.c_str());
return SRSLTE_ERROR;

22
srsenb/src/stack/rrc/rrc.cc
Unescape Escape View File

@ -2013,6 +2013,18 @@ bool rrc::ue::select_security_algorithms()
parent->rrc_log->info("Failed to selected EEA2 as RRC encryption algorithm, due to unsupported algorithm\n");
}
break;
case srslte::CIPHERING_ALGORITHM_ID_128_EEA3:
// “third bit” – 128-EEA3,
if (security_capabilities.encryptionAlgorithms
.buffer[srslte::CIPHERING_ALGORITHM_ID_128_EEA3 - 1]) {
cipher_algo = srslte::CIPHERING_ALGORITHM_ID_128_EEA3;
enc_algo_found = true;
parent->rrc_log->info("Selected EEA3 as RRC encryption algorithm\n");
break;
} else {
parent->rrc_log->info("Failed to selected EEA2 as RRC encryption algorithm, due to unsupported algorithm\n");
}
break;
default:
enc_algo_found = false;
break;
@ -2048,6 +2060,16 @@ bool rrc::ue::select_security_algorithms()
parent->rrc_log->info("Failed to selected EIA2 as RRC encryption algorithm, due to unsupported algorithm\n");
}
break;
case srslte::INTEGRITY_ALGORITHM_ID_128_EIA3:
// “third bit” – 128-EIA3,
if (security_capabilities.integrityProtectionAlgorithms.buffer[srslte::INTEGRITY_ALGORITHM_ID_128_EIA3 - 1]) {
integ_algo = srslte::INTEGRITY_ALGORITHM_ID_128_EIA3;
integ_algo_found = true;
parent->rrc_log->info("Selected EIA3 as RRC integrity algorithm.\n");
} else {
parent->rrc_log->info("Failed to selected EIA3 as RRC encryption algorithm, due to unsupported algorithm\n");
}
break;
default:
integ_algo_found = false;
break;

8
srsepc/src/main.cc
Unescape Escape View File

@ -249,9 +249,11 @@ void parse_args(all_args_t* args, int argc, char* argv[])
args->mme_args.s1ap_args.encryption_algo = srslte::CIPHERING_ALGORITHM_ID_128_EEA1;
} else if (boost::iequals(encryption_algo, "eea2")) {
args->mme_args.s1ap_args.encryption_algo = srslte::CIPHERING_ALGORITHM_ID_128_EEA2;
} else if (boost::iequals(encryption_algo, "eea3")) {
args->mme_args.s1ap_args.encryption_algo = srslte::CIPHERING_ALGORITHM_ID_128_EEA3;
} else {
args->mme_args.s1ap_args.encryption_algo = srslte::CIPHERING_ALGORITHM_ID_EEA0;
cout << "Error parsing mme.encryption_algo:" << encryption_algo << " - must be EEA0, EEA1, or EEA2." << endl;
cout << "Error parsing mme.encryption_algo:" << encryption_algo << " - must be EEA0, EEA1, EEA2 or EEA3." << endl;
cout << "Using default mme.encryption_algo: EEA0" << endl;
}
@ -263,9 +265,11 @@ void parse_args(all_args_t* args, int argc, char* argv[])
args->mme_args.s1ap_args.integrity_algo = srslte::INTEGRITY_ALGORITHM_ID_128_EIA1;
} else if (boost::iequals(integrity_algo, "eia2")) {
args->mme_args.s1ap_args.integrity_algo = srslte::INTEGRITY_ALGORITHM_ID_128_EIA2;
} else if (boost::iequals(integrity_algo, "eia3")) {
args->mme_args.s1ap_args.integrity_algo = srslte::INTEGRITY_ALGORITHM_ID_128_EIA3;
} else {
args->mme_args.s1ap_args.integrity_algo = srslte::INTEGRITY_ALGORITHM_ID_128_EIA1;
cout << "Error parsing mme.integrity_algo:" << encryption_algo << " - must be EIA0, EIA1, or EIA2." << endl;
cout << "Error parsing mme.integrity_algo:" << encryption_algo << " - must be EIA0, EIA1, EIA2 or EIA3." << endl;
cout << "Using default mme.integrity_algo: EIA1" << endl;
}

4
srsue/src/main.cc
Unescape Escape View File

@ -109,8 +109,8 @@ static int parse_args(all_args_t* args, int argc, char* argv[])
("nas.user", bpo::value<string>(&args->stack.nas.apn_user)->default_value(""), "Username for CHAP authentication")
("nas.pass", bpo::value<string>(&args->stack.nas.apn_pass)->default_value(""), "Password for CHAP authentication")
("nas.force_imsi_attach", bpo::value<bool>(&args->stack.nas.force_imsi_attach)->default_value(false), "Whether to always perform an IMSI attach")
("nas.eia", bpo::value<string>(&args->stack.nas.eia)->default_value("1,2"), "List of integrity algorithms included in UE capabilities")
("nas.eea", bpo::value<string>(&args->stack.nas.eea)->default_value("0,1,2"), "List of ciphering algorithms included in UE capabilities")
("nas.eia", bpo::value<string>(&args->stack.nas.eia)->default_value("1,2,3"), "List of integrity algorithms included in UE capabilities")
("nas.eea", bpo::value<string>(&args->stack.nas.eea)->default_value("0,1,2,3"), "List of ciphering algorithms included in UE capabilities")
("pcap.enable", bpo::value<bool>(&args->stack.pcap.enable)->default_value(false), "Enable MAC packet captures for wireshark")
("pcap.filename", bpo::value<string>(&args->stack.pcap.filename)->default_value("ue.pcap"), "MAC layer capture filename")

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