add option to force IMSI attach by not loading NAS ctxt from file
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fb82e00289
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01f6395d70
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@ -38,17 +38,19 @@ namespace srslte {
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class srslte_nas_config_t
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{
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public:
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srslte_nas_config_t(uint32_t lcid_ = 0, std::string apn_ = "", std::string user_ = "", std::string pass_ = "")
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srslte_nas_config_t(uint32_t lcid_ = 0, std::string apn_ = "", std::string user_ = "", std::string pass_ = "", bool force_imsi_attach_ = false)
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:lcid(lcid_),
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apn(apn_),
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user(user_),
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pass(pass_)
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pass(pass_),
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force_imsi_attach(force_imsi_attach_)
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{}
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uint32_t lcid;
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std::string apn;
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std::string user;
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std::string pass;
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bool force_imsi_attach;
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};
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@ -39,6 +39,7 @@
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#include "phy/phy.h"
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#include "upper/usim.h"
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#include "upper/rrc.h"
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#include "upper/nas.h"
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#include "srslte/interfaces/ue_interfaces.h"
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#include "srslte/common/logger.h"
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@ -129,9 +130,7 @@ typedef struct {
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usim_args_t usim;
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rrc_args_t rrc;
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std::string ue_category_str;
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std::string apn_name;
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std::string apn_user;
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std::string apn_pass;
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nas_args_t nas;
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expert_args_t expert;
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}all_args_t;
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@ -39,6 +39,13 @@ using srslte::byte_buffer_t;
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namespace srsue {
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typedef struct {
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std::string apn_name;
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std::string apn_user;
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std::string apn_pass;
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bool force_imsi_attach;
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} nas_args_t;
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// EMM states (3GPP 24.302 v10.0.0)
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typedef enum {
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EMM_STATE_NULL = 0,
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@ -84,9 +84,11 @@ void parse_args(all_args_t *args, int argc, char *argv[]) {
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"UECapabilityInformation message. Default 0xe6041000")
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("rrc.ue_category", bpo::value<string>(&args->ue_category_str)->default_value("4"), "UE Category (1 to 5)")
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("nas.apn", bpo::value<string>(&args->apn_name)->default_value(""), "Set Access Point Name (APN) for data services")
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("nas.user", bpo::value<string>(&args->apn_user)->default_value(""), "Username for CHAP authentication")
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("nas.pass", bpo::value<string>(&args->apn_pass)->default_value(""), "Password for CHAP authentication")
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("nas.apn", bpo::value<string>(&args->nas.apn_name)->default_value(""), "Set Access Point Name (APN) for data services")
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("nas.user", bpo::value<string>(&args->nas.apn_user)->default_value(""), "Username for CHAP authentication")
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("nas.pass", bpo::value<string>(&args->nas.apn_pass)->default_value(""), "Password for CHAP authentication")
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("nas.force_imsi_attach", bpo::value<bool>(&args->nas.force_imsi_attach)->default_value(false), "Whether to always perform an IMSI attach")
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("pcap.enable", bpo::value<bool>(&args->pcap.enable)->default_value(false), "Enable MAC packet captures for wireshark")
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("pcap.filename", bpo::value<string>(&args->pcap.filename)->default_value("ue.pcap"), "MAC layer capture filename")
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@ -210,7 +210,7 @@ bool ue::init(all_args_t *args_) {
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rlc.init(&pdcp, &rrc, this, &rlc_log, &mac, 0 /* RB_ID_SRB0 */);
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pdcp.init(&rlc, &rrc, &gw, &pdcp_log, 0 /* RB_ID_SRB0 */, SECURITY_DIRECTION_UPLINK);
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srslte_nas_config_t nas_cfg(1, args->apn_name, args->apn_user, args->apn_pass); /* RB_ID_SRB1 */
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srslte_nas_config_t nas_cfg(1, args->nas.apn_name, args->nas.apn_user, args->nas.apn_pass, args->nas.force_imsi_attach); /* RB_ID_SRB1 */
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nas.init(usim, &rrc, &gw, &nas_log, nas_cfg);
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gw.init(&pdcp, &nas, &gw_log, 3 /* RB_ID_DRB1 */);
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gw.set_netmask(args->expert.ip_netmask);
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@ -1364,6 +1364,11 @@ bool nas::read_ctxt_file(nas_sec_ctxt *ctxt)
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return false;
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}
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if (cfg.force_imsi_attach) {
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nas_log->info("Skip reading context from file.\n");
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return false;
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}
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file.open(".ctxt", std::ios::in);
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if(file.is_open()) {
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if(!readvar(file, "m_tmsi=", &ctxt->guti.m_tmsi)) {return false;}
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@ -119,11 +119,16 @@ imei = 353490069873319
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#####################################################################
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# NAS configuration
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#
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# apn: Set Access Point Name (APN)
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# apn: Set Access Point Name (APN)
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# user: Username for CHAP authentication
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# pass: Password for CHAP authentication
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# force_imsi_attach: Whether to always perform an IMSI
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#####################################################################
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[nas]
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# apn = internetinternet
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#apn = internetinternet
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#user = srsuser
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#pass = srspass
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#force_imsi_attach = false
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[gui]
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enable = false
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