diff options
Diffstat (limited to 'openbsc/tests/gbproxy/gbproxy_test.c')
-rw-r--r-- | openbsc/tests/gbproxy/gbproxy_test.c | 342 |
1 files changed, 341 insertions, 1 deletions
diff --git a/openbsc/tests/gbproxy/gbproxy_test.c b/openbsc/tests/gbproxy/gbproxy_test.c index 95024b661..06fea69d2 100644 --- a/openbsc/tests/gbproxy/gbproxy_test.c +++ b/openbsc/tests/gbproxy/gbproxy_test.c @@ -193,6 +193,16 @@ static const unsigned char dtap_attach_req2[] = { 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, }; +/* DTAP - Attach Request (P-TMSI 0x3f32b700) */ +static const unsigned char dtap_attach_req3[] = { + 0x08, 0x01, 0x02, 0xf5, 0xe0, 0x21, 0x08, 0x02, + 0x05, 0xf4, 0xef, 0xe2, 0xb7, 0x00, 0x11, 0x22, + 0x33, 0x40, 0x50, 0x60, 0x19, 0x18, 0xb3, 0x43, + 0x2b, 0x25, 0x96, 0x62, 0x00, 0x60, 0x80, 0x9a, + 0xc2, 0xc6, 0x62, 0x00, 0x60, 0x80, 0xba, 0xc8, + 0xc6, 0x62, 0x00, 0x60, 0x80, 0x00, +}; + /* DTAP - Identity Request */ static const unsigned char dtap_identity_req[] = { 0x08, 0x15, 0x01 @@ -271,6 +281,11 @@ static const unsigned char dtap_ra_upd_complete[] = { 0x08, 0x0a }; +/* DTAP - Routing Area Update Reject */ +/* cause = 10 ("Implicitly detached"), force_standby = 0 */ +static const unsigned char dtap_ra_upd_rej[] = { + 0x08, 0x0b, 0x0a, 0x00, +}; /* DTAP - Activate PDP Context Request */ static const unsigned char dtap_act_pdp_ctx_req[] = { @@ -297,11 +312,28 @@ static const unsigned char dtap_detach_req[] = { 0xb7, 0x00, 0x19, 0x03, 0xb9, 0x97, 0xcb }; -/* DTAP - Detach Accept */ +/* DTAP - Detach Accept (MO) */ static const unsigned char dtap_detach_acc[] = { 0x08, 0x06, 0x00 }; +/* DTAP - Detach Request (MT) */ +/* normal detach, reattach required, implicitly detached */ +static const unsigned char dtap_mt_detach_rea_req[] = { + 0x08, 0x05, 0x01, 0x25, 0x0a +}; + +/* DTAP - Detach Request (MT) */ +/* normal detach, reattach not required, implicitly detached */ +static const unsigned char dtap_mt_detach_req[] = { + 0x08, 0x05, 0x02, 0x25, 0x0a +}; + +/* DTAP - Detach Accept (MT) */ +static const unsigned char dtap_mt_detach_acc[] = { + 0x08, 0x06 +}; + /* GPRS-LLC - SAPI: LLGMM, U, XID */ static const unsigned char llc_u_xid_ul[] = { 0x41, 0xfb, 0x01, 0x00, 0x0e, 0x00, 0x64, 0x11, @@ -2560,6 +2592,313 @@ static void test_gbproxy_secondary_sgsn() nsi = NULL; } +static void test_gbproxy_keep_info() +{ + struct gprs_ns_inst *nsi = gprs_ns_instantiate(gprs_ns_callback, NULL); + struct sockaddr_in bss_peer[1] = {{0},}; + struct sockaddr_in sgsn_peer= {0}; + struct gprs_ra_id rai_bss = + {.mcc = 112, .mnc = 332, .lac = 16464, .rac = 96}; + uint16_t cell_id = 0x1234; + + const uint32_t ptmsi = 0xefe2b700; + const uint32_t local_tlli = 0xefe2b700; + const uint32_t foreign_tlli = 0xafe2b700; + + const uint8_t imsi[] = {0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18}; + struct gbproxy_tlli_info *tlli_info; + struct gbproxy_peer *peer; + unsigned bss_nu = 0; + unsigned sgsn_nu = 0; + + OSMO_ASSERT(local_tlli == gprs_tmsi2tlli(ptmsi, TLLI_LOCAL)); + + bssgp_nsi = nsi; + gbcfg.nsi = bssgp_nsi; + gbcfg.nsip_sgsn_nsei = SGSN_NSEI; + gbcfg.patch_ptmsi = 0; + gbcfg.acquire_imsi = 1; + gbcfg.bss_ptmsi_state = 0; + gbcfg.sgsn_tlli_state = 1; + gbcfg.core_mcc = 0; + gbcfg.core_mnc = 0; + gbcfg.core_apn = NULL; + gbcfg.core_apn_size = 0; + gbcfg.route_to_sgsn2 = 0; + gbcfg.nsip_sgsn2_nsei = 0xffff; + + configure_sgsn_peer(&sgsn_peer); + configure_bss_peers(bss_peer, ARRAY_SIZE(bss_peer)); + + printf("=== %s ===\n", __func__); + printf("--- Initialise SGSN ---\n\n"); + + connect_sgsn(nsi, &sgsn_peer, SGSN_NSEI); + + printf("--- Initialise BSS 1 ---\n\n"); + + setup_ns(nsi, &bss_peer[0], 0x1001, 0x1000); + setup_bssgp(nsi, &bss_peer[0], 0x1002); + + peer = gbproxy_peer_by_nsei(&gbcfg, 0x1000); + OSMO_ASSERT(peer != NULL); + + send_bssgp_reset_ack(nsi, &sgsn_peer, 0x1002); + + gprs_dump_nsi(nsi); + dump_global(stdout, 0); + dump_peers(stdout, 0, 0, &gbcfg); + + printf("--- Send message from BSS 1 to SGSN, BVCI 0x1002 ---\n\n"); + + send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_req, sizeof(dtap_attach_req)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, foreign_tlli); + OSMO_ASSERT(tlli_info); + OSMO_ASSERT(tlli_info->imsi_len == 0); + + send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_identity_resp, sizeof(dtap_identity_resp)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "IDENT REQUEST", &sgsn_peer, 0x1002, + foreign_tlli, 0, NULL, 0, + GPRS_SAPI_GMM, sgsn_nu++, + dtap_identity_req, sizeof(dtap_identity_req)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_ul_ui(nsi, "IDENT RESPONSE", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_identity_resp, sizeof(dtap_identity_resp)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, foreign_tlli); + OSMO_ASSERT(tlli_info); + OSMO_ASSERT(tlli_info->imsi_len > 0); + OSMO_ASSERT(gbproxy_find_tlli_by_imsi(peer, imsi, sizeof(imsi))); + + send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, + foreign_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_attach_acc, sizeof(dtap_attach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_complete, sizeof(dtap_attach_complete)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "GMM INFO", &sgsn_peer, 0x1002, + local_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_gmm_information, sizeof(dtap_gmm_information)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, local_tlli); + OSMO_ASSERT(tlli_info); + + /* Detach (MO) */ + send_llc_ul_ui(nsi, "DETACH REQ", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_detach_req, sizeof(dtap_detach_req)); + + tlli_info = gbproxy_find_tlli(peer, local_tlli); + OSMO_ASSERT(tlli_info); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, + local_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_detach_acc, sizeof(dtap_detach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, local_tlli); + OSMO_ASSERT(tlli_info == NULL); + + /* Re-Attach */ + send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_req3, sizeof(dtap_attach_req3)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, + foreign_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_attach_acc, sizeof(dtap_attach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_complete, sizeof(dtap_attach_complete)); + + dump_peers(stdout, 0, 0, &gbcfg); + + /* Detach (MT) */ + send_llc_dl_ui(nsi, "DETACH REQ (re-attach)", &sgsn_peer, 0x1002, + local_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_mt_detach_rea_req, sizeof(dtap_mt_detach_rea_req)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, local_tlli); + OSMO_ASSERT(tlli_info); + + send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + OSMO_ASSERT(!gbproxy_find_tlli(peer, local_tlli)); + + /* Re-Attach */ + send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_req3, sizeof(dtap_attach_req3)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, + foreign_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_attach_acc, sizeof(dtap_attach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_complete, sizeof(dtap_attach_complete)); + + dump_peers(stdout, 0, 0, &gbcfg); + + /* Detach (MT) */ + send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, + local_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, local_tlli); + OSMO_ASSERT(tlli_info); + + send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + OSMO_ASSERT(!gbproxy_find_tlli(peer, local_tlli)); + + /* Re-Attach */ + send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_req3, sizeof(dtap_attach_req3)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, + foreign_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_attach_acc, sizeof(dtap_attach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_complete, sizeof(dtap_attach_complete)); + + dump_peers(stdout, 0, 0, &gbcfg); + + /* RA update procedure (reject -> Detach) */ + send_llc_ul_ui(nsi, "RA UPD REQ", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, 0x7080, + GPRS_SAPI_GMM, bss_nu++, + dtap_ra_upd_req, sizeof(dtap_ra_upd_req)); + + send_llc_dl_ui(nsi, "RA UDP REJ", &sgsn_peer, 0x1002, + local_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_ra_upd_rej, sizeof(dtap_ra_upd_rej)); + + dump_peers(stdout, 0, 0, &gbcfg); + + /* Bad case: Re-Attach with wrong (initial) P-TMSI */ + send_llc_ul_ui(nsi, "ATTACH REQUEST", &bss_peer[0], 0x1002, + foreign_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_req, sizeof(dtap_attach_req)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_dl_ui(nsi, "ATTACH ACCEPT", &sgsn_peer, 0x1002, + foreign_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_attach_acc, sizeof(dtap_attach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + send_llc_ul_ui(nsi, "ATTACH COMPLETE", &bss_peer[0], 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_attach_complete, sizeof(dtap_attach_complete)); + + dump_peers(stdout, 0, 0, &gbcfg); + + /* Detach (MT) */ + send_llc_dl_ui(nsi, "DETACH REQ", &sgsn_peer, 0x1002, + local_tlli, 1, imsi, sizeof(imsi), + GPRS_SAPI_GMM, sgsn_nu++, + dtap_mt_detach_req, sizeof(dtap_mt_detach_req)); + + dump_peers(stdout, 0, 0, &gbcfg); + + tlli_info = gbproxy_find_tlli(peer, local_tlli); + OSMO_ASSERT(tlli_info); + + send_llc_ul_ui(nsi, "DETACH ACC", &sgsn_peer, 0x1002, + local_tlli, &rai_bss, cell_id, + GPRS_SAPI_GMM, bss_nu++, + dtap_mt_detach_acc, sizeof(dtap_mt_detach_acc)); + + dump_peers(stdout, 0, 0, &gbcfg); + + dump_global(stdout, 0); + + gbprox_reset(&gbcfg); + gprs_ns_destroy(nsi); + nsi = NULL; +} + /* TODO: Move tlv testing to libosmocore */ int v_fixed_shift(uint8_t **data, size_t *data_len, size_t len, uint8_t **value); int tv_fixed_match(uint8_t **data, size_t *data_len, uint8_t tag, size_t len, @@ -3198,6 +3537,7 @@ int main(int argc, char **argv) test_gbproxy_ptmsi_patching(); test_gbproxy_imsi_acquisition(); test_gbproxy_secondary_sgsn(); + test_gbproxy_keep_info(); test_gbproxy_tlli_expire(); printf("===== GbProxy test END\n\n"); |