/* * (C) 2012 by Harald Welte * All Rights Reserved * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. * */ #pragma GCC diagnostic ignored "-Wdeprecated-declarations" #include #include #include #include #include #include #include #include #include #include #include #include static const uint8_t csd_9600_v110_lv[] = { 0x07, 0xa1, 0xb8, 0x89, 0x21, 0x15, 0x63, 0x80 }; static const struct gsm_mncc_bearer_cap bcap_csd_9600_v110 = { .transfer = GSM48_BCAP_ITCAP_UNR_DIG_INF, .mode = GSM48_BCAP_TMOD_CIRCUIT, .coding = GSM48_BCAP_CODING_GSM_STD, .radio = GSM48_BCAP_RRQ_FR_ONLY, .speech_ver[0]= -1, .data = { .rate_adaption = GSM48_BCAP_RA_V110_X30, .sig_access = GSM48_BCAP_SA_I440_I450, .async = 1, .nr_stop_bits = 1, .nr_data_bits = 8, .user_rate = GSM48_BCAP_UR_9600, .parity = GSM48_BCAP_PAR_NONE, .interm_rate = GSM48_BCAP_IR_16k, .transp = GSM48_BCAP_TR_TRANSP, .modem_type = GSM48_BCAP_MT_NONE, }, }; static const uint8_t speech_all_lv[] = { 0x06, 0x60, 0x04, 0x02, 0x00, 0x05, 0x81 }; static const struct gsm_mncc_bearer_cap bcap_speech_all = { .transfer = GSM48_BCAP_ITCAP_SPEECH, .mode = GSM48_BCAP_TMOD_CIRCUIT, .coding = GSM48_BCAP_CODING_GSM_STD, .radio = GSM48_BCAP_RRQ_DUAL_FR, .speech_ver = { 4, 2, 0, 5, 1, -1, }, }; struct bcap_test { const uint8_t *lv; const struct gsm_mncc_bearer_cap *bc; const char *name; }; static const struct bcap_test bcap_tests[] = { { csd_9600_v110_lv, &bcap_csd_9600_v110, "CSD 9600/V.110/transparent" }, { speech_all_lv, &bcap_speech_all, "Speech, all codecs" }, }; static int test_bearer_cap() { struct gsm_mncc_bearer_cap bc; int i, rc; for (i = 0; i < ARRAY_SIZE(bcap_tests); i++) { struct msgb *msg = msgb_alloc(100, "test"); int lv_len; memset(&bc, 0, sizeof(bc)); /* test decoding */ rc = gsm48_decode_bearer_cap(&bc, bcap_tests[i].lv); if (rc < 0) { fprintf(stderr, "Error decoding %s\n", bcap_tests[i].name); return rc; } if (memcmp(&bc, bcap_tests[i].bc, sizeof(bc))) { fprintf(stderr, "Incorrect decoded result of %s:\n", bcap_tests[i].name); fprintf(stderr, " should: %s\n", osmo_hexdump((uint8_t *) bcap_tests[i].bc, sizeof(bc))); fprintf(stderr, " is: %s\n", osmo_hexdump((uint8_t *) &bc, sizeof(bc))); return -1; } /* also test re-encode? */ rc = gsm48_encode_bearer_cap(msg, 1, &bc); if (rc < 0) { fprintf(stderr, "Error encoding %s\n", bcap_tests[i].name); return rc; } lv_len = bcap_tests[i].lv[0]+1; if (memcmp(msg->data, bcap_tests[i].lv, lv_len)) { fprintf(stderr, "Incorrect encoded result of %s:\n", bcap_tests[i].name); fprintf(stderr, " should: %s\n", osmo_hexdump(bcap_tests[i].lv, lv_len)); fprintf(stderr, " is: %s\n", osmo_hexdump(msg->data, msg->len)); return -1; } printf("Test `%s' passed\n", bcap_tests[i].name); msgb_free(msg); } return 0; } static inline void dump_ra(const struct gprs_ra_id *raid) { printf("%s%s\n", osmo_rai_name(raid), raid->mnc_3_digits ? " (3-digit MNC)" : ""); } static inline void check_ra(const struct gprs_ra_id *raid) { struct gsm48_ra_id ra; struct gprs_ra_id raid0 = { .mnc = 0, .mcc = 0, .lac = 0, .rac = 0, }; gsm48_encode_ra(&ra, raid); printf("Constructed RA:\n"); gsm48_parse_ra(&raid0, (const uint8_t *)&ra); dump_ra(raid); printf("MCC+MNC in BCD: %s\n", osmo_hexdump(ra.digits, sizeof(ra.digits))); dump_ra(&raid0); printf("RA test..."); if (raid->mnc != raid0.mnc || raid->mcc != raid0.mcc || raid->lac != raid0.lac || raid->rac != raid0.rac || (raid->mnc_3_digits || raid->mnc > 99) != raid0.mnc_3_digits) printf("FAIL\n"); else printf("passed\n"); } static inline void check_lai(const struct gprs_ra_id *raid) { int rc; struct gsm48_loc_area_id lai = {}; struct gprs_ra_id decoded = {}; struct gprs_ra_id _laid = *raid; struct gprs_ra_id *laid = &_laid; laid->rac = 0; printf("- gsm48_generate_lai() from "); dump_ra(laid); gsm48_generate_lai(&lai, laid->mcc, laid->mnc, laid->lac); printf(" Encoded %s\n", osmo_hexdump((unsigned char*)&lai, sizeof(lai))); rc = gsm48_decode_lai(&lai, &decoded.mcc, &decoded.mnc, &decoded.lac); if (rc) { printf(" gsm48_decode_lai() returned %d --> FAIL\n", rc); return; } printf(" gsm48_decode_lai() gives "); dump_ra(&decoded); if (decoded.mcc == laid->mcc && decoded.mnc == laid->mnc && decoded.lac == laid->lac) printf(" passed\n"); else printf(" FAIL\n"); } static inline void dump_lai(const struct osmo_location_area_id *lai) { printf("%s%s\n", osmo_lai_name(lai), lai->plmn.mnc_3_digits ? " (3-digit MNC)" : ""); } static inline void check_lai2(const struct gprs_ra_id *raid) { struct gsm48_loc_area_id lai = {}; struct osmo_location_area_id decoded = {}; struct osmo_location_area_id laid = { .plmn = { .mcc = raid->mcc, .mnc = raid->mnc, .mnc_3_digits = raid->mnc_3_digits, }, .lac = raid->lac, }; printf("- gsm48_generate_lai2() from "); dump_lai(&laid); gsm48_generate_lai2(&lai, &laid); printf(" Encoded %s\n", osmo_hexdump((unsigned char*)&lai, sizeof(lai))); gsm48_decode_lai2(&lai, &decoded); printf(" gsm48_decode_lai2() gives "); dump_lai(&decoded); if (decoded.plmn.mcc == laid.plmn.mcc && decoded.plmn.mnc == laid.plmn.mnc && decoded.lac == laid.lac && decoded.plmn.mnc_3_digits == (laid.plmn.mnc_3_digits || laid.plmn.mnc > 99)) printf(" passed\n"); else printf(" FAIL\n"); } static struct gprs_ra_id test_ra_cap_items[] = { { .mcc = 77, .mnc = 121, .lac = 666, .rac = 5, }, { .mcc = 84, .mnc = 98, .lac = 11, .rac = 89, }, { .mcc = 0, .mnc = 0, .lac = 0, .rac = 0, .mnc_3_digits = false, /* expecting 000-00, BCD = 00 f0 00 */ }, { .mcc = 0, .mnc = 0, .lac = 0, .rac = 0, .mnc_3_digits = true, /* expecting 000-000, BCD = 00 00 00 */ }, { .mcc = 999, .mnc = 999, .lac = 65535, .rac = 255, }, { .mcc = 1, .mnc = 2, .lac = 23, .rac = 42, .mnc_3_digits = false, /* expecting 001-02, BCD = 00 f1 20 */ }, { .mcc = 1, .mnc = 2, .lac = 23, .rac = 42, .mnc_3_digits = true, /* expecting 001-002, BCD = 00 21 00 */ }, { .mcc = 12, .mnc = 34, .lac = 56, .rac = 78, .mnc_3_digits = false, /* expecting 012-34, BCD = 10 f2 43 */ }, { .mcc = 12, .mnc = 34, .lac = 23, .rac = 42, .mnc_3_digits = true, /* expecting 012-034, BCD = 10 42 30 */ }, { .mcc = 123, .mnc = 456, .lac = 23, .rac = 42, .mnc_3_digits = false, /* expecting 123-456, BCD = 21 63 54 (false flag has no effect) */ }, { .mcc = 123, .mnc = 456, .lac = 23, .rac = 42, .mnc_3_digits = true, /* expecting 123-456, BCD = 21 63 54 (same) */ }, }; static void test_ra_cap(void) { int i; for (i = 0; i < ARRAY_SIZE(test_ra_cap_items); i++) check_ra(&test_ra_cap_items[i]); } static void test_lai_encode_decode(void) { int i; for (i = 0; i < ARRAY_SIZE(test_ra_cap_items); i++) { check_lai(&test_ra_cap_items[i]); check_lai2(&test_ra_cap_items[i]); } } static void dump_cm3(struct gsm48_classmark3 *cm3) { printf("mult_band_supp=%02x\n", cm3->mult_band_supp); printf("a5_bits=%02x\n", cm3->a5_bits); printf("assoc_radio_cap_1=%02x\n", cm3->assoc_radio_cap_1); printf("assoc_radio_cap_2=%02x\n", cm3->assoc_radio_cap_2); printf("\n"); printf("r_support.present=%u\n", cm3->r_support.present); printf("r_support.r_gsm_assoc_radio_cap=%02x\n", cm3->r_support.r_gsm_assoc_radio_cap); printf("\n"); printf("hscsd_mult_slot_cap.present=%u\n", cm3->hscsd_mult_slot_cap.present); printf("hscsd_mult_slot_cap.mslot_class=%02x\n", cm3->hscsd_mult_slot_cap.mslot_class); printf("\n"); printf("ucs2_treatment=%u\n", cm3->ucs2_treatment); printf("extended_meas_cap=%u\n", cm3->extended_meas_cap); printf("\n"); printf("ms_meas_cap.present=%u\n", cm3->ms_meas_cap.present); printf("ms_meas_cap.sms_value=%02x\n", cm3->ms_meas_cap.sms_value); printf("ms_meas_cap.sm_value=%02x\n", cm3->ms_meas_cap.sm_value); printf("\n"); printf("ms_pos_method_cap.present=%u\n", cm3->ms_pos_method_cap.present); printf("ms_pos_method_cap.method=%02x\n", cm3->ms_pos_method_cap.method); printf("\n"); printf("ecsd_multislot_cap.present=%u\n", cm3->ecsd_multislot_cap.present); printf("ecsd_multislot_cap.mslot_class=%02x\n", cm3->ecsd_multislot_cap.mslot_class); printf("\n"); printf("psk8_struct.present=%u\n", cm3->psk8_struct.present); printf("psk8_struct.mod_cap=%u\n", cm3->psk8_struct.mod_cap); printf("psk8_struct.rf_pwr_cap_1.present=%u\n", cm3->psk8_struct.rf_pwr_cap_1.present); printf("psk8_struct.rf_pwr_cap_1.value=%02x\n", cm3->psk8_struct.rf_pwr_cap_1.value); printf("psk8_struct.rf_pwr_cap_2.present=%u\n", cm3->psk8_struct.rf_pwr_cap_2.present); printf("psk8_struct.rf_pwr_cap_2.value=%02x\n", cm3->psk8_struct.rf_pwr_cap_2.value); printf("\n"); printf("gsm_400_bands_supp.present=%u\n", cm3->gsm_400_bands_supp.present); printf("gsm_400_bands_supp.value=%02x\n", cm3->gsm_400_bands_supp.value); printf("gsm_400_bands_supp.assoc_radio_cap=%02x\n", cm3->gsm_400_bands_supp.assoc_radio_cap); printf("\n"); printf("gsm_850_assoc_radio_cap.present=%u\n", cm3->gsm_850_assoc_radio_cap.present); printf("gsm_850_assoc_radio_cap.value=%02x\n", cm3->gsm_850_assoc_radio_cap.value); printf("\n"); printf("gsm_1900_assoc_radio_cap.present=%u\n", cm3->gsm_1900_assoc_radio_cap.present); printf("gsm_1900_assoc_radio_cap.value=%02x\n", cm3->gsm_1900_assoc_radio_cap.value); printf("\n"); printf("umts_fdd_rat_cap=%u\n", cm3->umts_fdd_rat_cap); printf("umts_tdd_rat_cap=%u\n", cm3->umts_tdd_rat_cap); printf("cdma200_rat_cap=%u\n", cm3->cdma200_rat_cap); printf("\n"); printf("dtm_gprs_multislot_cap.present=%u\n", cm3->dtm_gprs_multislot_cap.present); printf("dtm_gprs_multislot_cap.mslot_class=%02x\n", cm3->dtm_gprs_multislot_cap.mslot_class); printf("dtm_gprs_multislot_cap.single_slot_dtm=%u\n", cm3->dtm_gprs_multislot_cap.single_slot_dtm); printf("dtm_gprs_multislot_cap.dtm_egprs_multislot_cap.present=%u\n", cm3->dtm_gprs_multislot_cap.dtm_egprs_multislot_cap.present); printf("dtm_gprs_multislot_cap.dtm_egprs_multislot_cap.mslot_class=%02x\n", cm3->dtm_gprs_multislot_cap.dtm_egprs_multislot_cap.mslot_class); printf("\n"); printf("single_band_supp.present=%u\n", cm3->single_band_supp.present); printf("single_band_supp.value=%u\n", cm3->single_band_supp.value); printf("\n"); printf("gsm_750_assoc_radio_cap.present=%u\n", cm3->gsm_750_assoc_radio_cap.present); printf("gsm_750_assoc_radio_cap.value=%02x\n", cm3->gsm_750_assoc_radio_cap.value); printf("\n"); printf("umts_1_28_mcps_tdd_rat_cap=%u\n", cm3->umts_1_28_mcps_tdd_rat_cap); printf("geran_feature_package=%u\n", cm3->geran_feature_package); printf("\n"); printf("extended_dtm_gprs_multislot_cap.present=%u\n", cm3->extended_dtm_gprs_multislot_cap.present); printf("extended_dtm_gprs_multislot_cap.mslot_class=%02x\n", cm3->extended_dtm_gprs_multislot_cap.mslot_class); printf ("extended_dtm_gprs_multislot_cap.dtm_egprs_multislot_cap.present=%u\n", cm3->extended_dtm_gprs_multislot_cap. extended_dtm_egprs_multislot_cap.present); printf ("extended_dtm_gprs_multislot_cap.dtm_egprs_multislot_cap.mslot_class=%02x\n", cm3->extended_dtm_gprs_multislot_cap. extended_dtm_egprs_multislot_cap.mslot_class); printf("\n"); printf("high_multislot_cap.present=%u\n", cm3->high_multislot_cap.present); printf("high_multislot_cap.value=%02x\n", cm3->high_multislot_cap.value); printf("\n"); printf("geran_feature_package_2=%u\n", cm3->geran_feature_package_2); printf("gmsk_multislot_power_prof=%02x\n", cm3->gmsk_multislot_power_prof); printf("psk8_multislot_power_prof=%02x\n", cm3->psk8_multislot_power_prof); printf("\n"); printf("t_gsm_400_bands_supp.present=%u\n", cm3->t_gsm_400_bands_supp.present); printf("t_gsm_400_bands_supp.value=%02x\n", cm3->t_gsm_400_bands_supp.value); printf("t_gsm_400_bands_supp.assoc_radio_cap=%02x\n", cm3->t_gsm_400_bands_supp.assoc_radio_cap); printf("\n"); printf("dl_advanced_rx_perf=%02x\n", cm3->dl_advanced_rx_perf); printf("dtm_enhancements_cap=%u\n", cm3->dtm_enhancements_cap); printf("\n"); printf("dtm_gprs_high_multislot_cap.present=%u\n", cm3->dtm_gprs_high_multislot_cap.present); printf("dtm_gprs_high_multislot_cap.mslot_class=%02x\n", cm3->dtm_gprs_high_multislot_cap.mslot_class); printf("dtm_gprs_high_multislot_cap.offset_required=%u\n", cm3->dtm_gprs_high_multislot_cap.offset_required); printf ("dtm_gprs_high_multislot_cap.dtm_egprs_high_multislot_cap.present=%u\n", cm3->dtm_gprs_high_multislot_cap.dtm_egprs_high_multislot_cap. present); printf ("dtm_gprs_high_multislot_cap.dtm_egprs_high_multislot_cap.mslot_class=%02x\n", cm3->dtm_gprs_high_multislot_cap.dtm_egprs_high_multislot_cap. mslot_class); printf("\n"); printf("repeated_acch_capability=%u\n", cm3->repeated_acch_capability); printf("\n"); printf("gsm_710_assoc_radio_cap.present=%u\n", cm3->gsm_710_assoc_radio_cap.present); printf("gsm_710_assoc_radio_cap.value=%02x\n", cm3->gsm_710_assoc_radio_cap.value); printf("\n"); printf("t_gsm_810_assoc_radio_cap.present=%u\n", cm3->t_gsm_810_assoc_radio_cap.present); printf("t_gsm_810_assoc_radio_cap.value=%02x\n", cm3->t_gsm_810_assoc_radio_cap.value); printf("\n"); printf("ciphering_mode_setting_cap=%u\n", cm3->ciphering_mode_setting_cap); printf("add_pos_cap=%u\n", cm3->add_pos_cap); printf("e_utra_fdd_supp=%u\n", cm3->e_utra_fdd_supp); printf("e_utra_tdd_supp=%u\n", cm3->e_utra_tdd_supp); printf("e_utra_meas_rep_supp=%u\n", cm3->e_utra_meas_rep_supp); printf("prio_resel_supp=%u\n", cm3->prio_resel_supp); printf("utra_csg_cells_rep=%u\n", cm3->utra_csg_cells_rep); printf("vamos_level=%02x\n", cm3->vamos_level); printf("tighter_capability=%02x\n", cm3->tighter_capability); printf("sel_ciph_dl_sacch=%u\n", cm3->sel_ciph_dl_sacch); printf("cs_ps_srvcc_geran_utra=%02x\n", cm3->cs_ps_srvcc_geran_utra); printf("cs_ps_srvcc_geran_eutra=%02x\n", cm3->cs_ps_srvcc_geran_eutra); printf("geran_net_sharing=%u\n", cm3->geran_net_sharing); printf("e_utra_wb_rsrq_meas_supp=%u\n", cm3->e_utra_wb_rsrq_meas_supp); printf("er_band_support=%u\n", cm3->er_band_support); printf("utra_mult_band_ind_supp=%u\n", cm3->utra_mult_band_ind_supp); printf("e_utra_mult_band_ind_supp=%u\n", cm3->e_utra_mult_band_ind_supp); printf("extended_tsc_set_cap_supp=%u\n", cm3->extended_tsc_set_cap_supp); printf("extended_earfcn_val_range=%u\n", cm3->extended_earfcn_val_range); } static void test_decode_classmark3(void) { struct gsm48_classmark3 cm3; const uint8_t cm3_1[] = { 0x60, 0x14, 0x04, 0x2f, 0x65, 0x00, 0x20, 0x03, 0x40, 0x4a }; const uint8_t cm3_2[] = { 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55}; const uint8_t cm3_3[] = { 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa, 0xaa}; printf("=====cm3_1=====\n"); gsm48_decode_classmark3(&cm3, cm3_1, sizeof(cm3_1)); dump_cm3(&cm3); printf("\n"); printf("=====cm3_2=====\n"); gsm48_decode_classmark3(&cm3, cm3_2, sizeof(cm3_2)); dump_cm3(&cm3); printf("\n"); printf("=====cm3_3=====\n"); gsm48_decode_classmark3(&cm3, cm3_3, sizeof(cm3_3)); dump_cm3(&cm3); printf("\n"); } static void test_mid_from_tmsi(void) { static const uint8_t res[] = { 0x17, 0x05, 0xf4, 0xaa, 0xbb, 0xcc, 0xdd }; uint32_t tmsi = 0xAABBCCDD; uint8_t buf[3 + sizeof(uint32_t)]; printf("Simple TMSI encoding test...."); memset(&buf, 0xFE, sizeof(buf)); gsm48_generate_mid_from_tmsi(buf, tmsi); OSMO_ASSERT(memcmp(buf, res, sizeof(res)) == 0); printf("passed\n"); } static void test_mid_from_imsi(void) { char *imsi = "901700000004620"; uint8_t buf[10], len; printf("Simple IMSI encoding test...."); len = gsm48_generate_mid_from_imsi(buf, imsi); printf("passed: [%u] %s\n", len, osmo_hexdump(buf, len)); } struct test_mid_encode_decode_test { uint8_t mi_type; const char *mi_str; const char *mi_name; size_t str_size; const char *expect_mi_tlv_hex; const char *expect_str; int expect_rc; }; static const struct test_mid_encode_decode_test test_mid_encode_decode_tests[] = { { .mi_type = GSM_MI_TYPE_IMSI, .mi_str = "123456789012345", .mi_name = "IMSI-123456789012345", .expect_mi_tlv_hex = "17081932547698103254", }, { .mi_type = GSM_MI_TYPE_IMSI, .mi_str = "12345678901234", .mi_name = "IMSI-12345678901234", .expect_mi_tlv_hex = "170811325476981032f4", }, { .mi_type = GSM_MI_TYPE_IMSI, .mi_str = "423423", .mi_name = "IMSI-423423", .expect_mi_tlv_hex = "1704413224f3", }, { .mi_type = GSM_MI_TYPE_IMSI | GSM_MI_ODD, .mi_str = "423423", .mi_name = "IMSI-423423", .expect_mi_tlv_hex = "1704413224f3", }, { .mi_type = GSM_MI_TYPE_IMSI, .mi_str = "4234235", .mi_name = "IMSI-4234235", .expect_mi_tlv_hex = "170449322453", }, { .mi_type = GSM_MI_TYPE_IMSI, .mi_str = "4234235", .mi_name = "IMSI-4234235", .expect_mi_tlv_hex = "170449322453", .str_size = 4, .expect_str = "423", }, { .mi_type = GSM_MI_TYPE_IMEI, .mi_str = "123456789012345", .mi_name = "IMEI-123456789012345", .expect_mi_tlv_hex = "17081a32547698103254", }, { .mi_type = GSM_MI_TYPE_IMEI, .mi_str = "98765432109876", .mi_name = "IMEI-98765432109876", .expect_mi_tlv_hex = "170892785634129078f6", }, { .mi_type = GSM_MI_TYPE_IMEI, .mi_str = "987654321098765", .mi_name = "IMEI-987654321098765", .expect_mi_tlv_hex = "17089a78563412907856", }, { .mi_type = GSM_MI_TYPE_IMEISV, .mi_str = "9876543210987654", .mi_name = "IMEI-SV-9876543210987654", .expect_mi_tlv_hex = "17099378563412907856f4", }, { .mi_type = GSM_MI_TYPE_IMEISV, .mi_str = "9876543210987654", .mi_name = "IMEI-SV-9876543210987654", .expect_mi_tlv_hex = "17099378563412907856f4", .str_size = 17, .expect_str = "9876543210987654", }, { /* gsm48 treats TMSI as decimal string */ .mi_type = GSM_MI_TYPE_TMSI, .mi_str = "305419896", /* 0x12345678 as decimal */ .mi_name = "TMSI-0x12345678", .expect_mi_tlv_hex = "1705f412345678", .expect_rc = 9, /* exception: gsm48_mi_to_string() for TMSI returns strlen(), not bytes! */ }, { .mi_type = GSM_MI_TYPE_TMSI, .mi_str = "12648430", /* 0xc0ffee as decimal */ .mi_name = "TMSI-0x00C0FFEE", .expect_mi_tlv_hex = "1705f400c0ffee", .expect_rc = 8, /* exception: gsm48_mi_to_string() for TMSI returns strlen(), not bytes! */ }, { .mi_type = GSM_MI_TYPE_TMSI, .mi_str = "0", .mi_name = "TMSI-0x00000000", .expect_mi_tlv_hex = "1705f400000000", .expect_rc = 1, /* exception: gsm48_mi_to_string() for TMSI returns strlen(), not bytes! */ }, { /* gsm48 treats TMSI as decimal string */ .mi_type = GSM_MI_TYPE_TMSI, .mi_str = "305419896", /* 0x12345678 as decimal */ .mi_name = "TMSI-0x12345678", .expect_mi_tlv_hex = "1705f412345678", .str_size = 5, .expect_str = "3054", .expect_rc = 9, /* exception: gsm48_mi_to_string() for TMSI returns would-be strlen() like snprintf()! */ }, { .mi_type = GSM_MI_TYPE_NONE, .mi_str = "123", .mi_name = "unknown", .expect_mi_tlv_hex = "17021832", /* encoding invalid MI type */ .expect_str = "", }, { .mi_type = GSM_MI_TYPE_NONE, .mi_str = "1234", .mi_name = "unknown", .expect_mi_tlv_hex = "17031032f4", /* encoding invalid MI type */ .expect_str = "", }, { .mi_type = GSM_MI_ODD, .mi_str = "1234", .mi_name = "unknown", .expect_mi_tlv_hex = "17031032f4", /* encoding invalid MI type */ .expect_str = "", }, }; static void test_mid_encode_decode(void) { int i; printf("\nTesting Mobile Identity conversions\n"); for (i = 0; i < ARRAY_SIZE(test_mid_encode_decode_tests); i++) { const struct test_mid_encode_decode_test *t = &test_mid_encode_decode_tests[i]; uint8_t tlv_buf[64]; uint8_t *mi_buf; int tlv_len; int mi_len; const char *tlv_hex; char str[64] = {}; size_t str_size = t->str_size ? : sizeof(str); const char *expect_str = t->expect_str ? : t->mi_str; int expect_rc = t->expect_rc ? : strlen(expect_str)+1; int rc; int str_len; printf("- %s %s\n", gsm48_mi_type_name(t->mi_type), t->mi_str); if (t->mi_type == GSM_MI_TYPE_TMSI) tlv_len = gsm48_generate_mid_from_tmsi(tlv_buf, (uint32_t)atoll(t->mi_str)); else tlv_len = gsm48_generate_mid(tlv_buf, t->mi_str, t->mi_type); tlv_hex = osmo_hexdump_nospc(tlv_buf, tlv_len); printf(" -> MI-TLV-hex='%s'\n", tlv_hex); if (t->expect_mi_tlv_hex && strcmp(tlv_hex, t->expect_mi_tlv_hex)) { printf(" ERROR: expected '%s'\n", t->expect_mi_tlv_hex); } /* skip the GSM48_IE_MOBILE_ID tag and length */ mi_buf = tlv_buf + 2; mi_len = tlv_len - 2; rc = gsm48_mi_to_string(str, str_size, mi_buf, mi_len); printf(" -> MI-str=%s rc=%d\n", osmo_quote_str(str, -1), rc); if (strcmp(str, expect_str)) printf(" ERROR: expected MI-str=%s\n", osmo_quote_str(expect_str, -1)); if (rc != expect_rc) printf(" ERROR: expected rc=%d\n", expect_rc); if (t->mi_name) { const char *mi_name = osmo_mi_name(mi_buf, mi_len); printf(" -> MI-name=%s\n", osmo_quote_str(mi_name, -1)); if (strcmp(mi_name, t->mi_name)) printf(" ERROR: expected MI-name=%s\n", osmo_quote_str(t->mi_name, -1)); } /* Now make sure the resulting string is always '\0' terminated. * The above started out with a zeroed buffer, now repeat with a tainted one. */ str_len = strlen(str); str[str_len] = '!'; gsm48_mi_to_string(str, str_size, mi_buf, mi_len); if (strlen(str) != str_len) printf(" ERROR: resulting string is not explicitly nul terminated\n"); } } static const uint8_t test_mid_decode_zero_length_types[] = { GSM_MI_TYPE_IMSI, GSM_MI_TYPE_TMSI, GSM_MI_TYPE_NONE }; static void test_mid_decode_zero_length(void) { int odd; uint8_t valid_mi[64]; int valid_mi_len; printf("\nDecoding zero length Mobile Identities\n"); /* IMSI = 123456789012345 */ valid_mi_len = osmo_hexparse("1932547698103254", valid_mi, sizeof(valid_mi)); for (odd = 0; odd <= 1; odd++) { int i; for (i = 0; i < ARRAY_SIZE(test_mid_decode_zero_length_types); i++) { uint8_t mi_type = test_mid_decode_zero_length_types[i] | (odd ? GSM_MI_ODD : 0); char str[8] = {}; int rc; printf("- MI type: %s%s\n", gsm48_mi_type_name(mi_type & GSM_MI_TYPE_MASK), odd ? " | GSM_MI_ODD":""); valid_mi[0] = (valid_mi[0] & 0xf0) | mi_type; printf(" - writing to zero-length string:\n"); memset(str, '!', sizeof(str) - 1); rc = gsm48_mi_to_string(str, 0, valid_mi, valid_mi_len); printf(" rc=%d\n", rc); if (str[0] == '!') printf(" nothing written\n"); else printf(" ERROR: Wrote to invalid memory!\n"); printf(" - writing to 1-byte-length string:\n"); memset(str, '!', sizeof(str) - 1); rc = gsm48_mi_to_string(str, 1, valid_mi, valid_mi_len); printf(" rc=%d\n", rc); if (str[0] == '\0') printf(" returned empty string\n"); else if (str[0] == '!') printf(" ERROR: nothing written, expected nul-terminated empty string\n"); else printf(" ERROR: Wrote unexpected string %s\n", osmo_quote_str(str, 5)); if (str[1] != '!') printf(" ERROR: Wrote to invalid memory!\n"); printf(" - decode zero-length mi:\n"); memset(str, '!', sizeof(str) - 1); rc = gsm48_mi_to_string(str, sizeof(str), valid_mi, 0); printf(" rc=%d\n", rc); if (str[0] == '\0') printf(" returned empty string\n"); else if (str[0] == '!') printf(" ERROR: nothing written, expected nul-terminated empty string\n"); else printf(" ERROR: expected empty string, got output string: %s\n", osmo_quote_str(str, -1)); } } printf("\n"); } struct msgb *msgb_from_hex(const char *label, uint16_t size, const char *hex) { struct msgb *msg = msgb_alloc_headroom(size, 4, label); OSMO_ASSERT(msg); msg->l3h = msgb_put(msg, osmo_hexparse(hex, msg->data, msgb_tailroom(msg))); return msg; } struct mobile_identity_tc { const char *label; const char *compl_l3_msg; int expect_rc; struct osmo_mobile_identity expect_mi; }; /* Some Complete Layer 3 messages copied from real GSM network traces. */ struct mobile_identity_tc mobile_identity_tests[] = { { .label = "LU with IMSI 901700000004620", .compl_l3_msg = "050802008168000130" "089910070000006402", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "901700000004620", }, }, { .label = "LU with TMSI 0x0980ad8a", .compl_l3_msg = "05084262f224002a50" "05f40980ad8a", .expect_mi = { .type = GSM_MI_TYPE_TMSI, .tmsi = 0x0980ad8a, }, }, { .label = "LU with invalid MI type", .compl_l3_msg = "050802008168000130" "089d10070000006402", .expect_rc = -EINVAL, }, { .label = "LU with truncated IMSI MI", .compl_l3_msg = "050802008168000130" "0899100700000064", .expect_rc = -EBADMSG, }, { .label = "LU with too short IMSI MI (12345)", .compl_l3_msg = "050802008168000130" "03193254", .expect_rc = -EBADMSG, }, { .label = "LU with just long enough IMSI MI 123456", .compl_l3_msg = "050802008168000130" "04113254f6", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456", }, }, { .label = "LU with max length IMSI MI 123456789012345", .compl_l3_msg = "050802008168000130" "081932547698103254", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456789012345", }, }, { .label = "LU with just too long IMSI MI 1234567890123456", .compl_l3_msg = "050802008168000130" "091132547698103254f6", .expect_rc = -EBADMSG, }, { .label = "LU with truncated TMSI MI", .compl_l3_msg = "05084262f224002a50" "05f40980ad", .expect_rc = -EBADMSG, }, { .label = "LU with odd length TMSI", .compl_l3_msg = "05084262f224002a50" "05fc0980ad8a", .expect_rc = -EBADMSG, }, { .label = "LU with too long TMSI MI", .compl_l3_msg = "05084262f224002a50" "06f40980ad23", .expect_rc = -EBADMSG, }, { .label = "LU with too short TMSI", .compl_l3_msg = "05084262f224002a50" "04f480ad8a", .expect_rc = -EBADMSG, }, { .label = "CM Service Request with IMSI 123456", .compl_l3_msg = "052401035058a6" "04113254f6", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456", }, }, { .label = "CM Service Request with TMSI 0x5a42e404", .compl_l3_msg = "052401035058a6" "05f45a42e404", .expect_mi = { .type = GSM_MI_TYPE_TMSI, .tmsi = 0x5a42e404, }, }, { .label = "CM Service Request with shorter CM2, with IMSI 123456", .compl_l3_msg = "052401025058" "04113254f6", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456", }, }, { .label = "CM Service Request with longer CM2, with IMSI 123456", .compl_l3_msg = "052401055058a62342" "04113254f6", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456", }, }, { .label = "CM Service Request with shorter CM2, with TMSI 0x00000000", .compl_l3_msg = "052401025058" "05f400000000", .expect_mi = { .type = GSM_MI_TYPE_TMSI, .tmsi = 0, }, }, { .label = "CM Service Request with invalid MI type", .compl_l3_msg = "052401035058a6" "089d10070000006402", .expect_rc = -EINVAL, }, { .label = "CM Service Request with truncated IMSI MI", .compl_l3_msg = "052401035058a6" "0899100700000064", .expect_rc = -EBADMSG, }, { .label = "CM Service Request with truncated TMSI MI", .compl_l3_msg = "0524010150" "05f40980ad", .expect_rc = -EBADMSG, }, { .label = "CM Service Request with odd length TMSI", .compl_l3_msg = "052401045058a623" "05fc0980ad8a", .expect_rc = -EBADMSG, }, { .label = "CM Service Request with too long TMSI MI", .compl_l3_msg = "052401035058a6" "06f40980ad23", .expect_rc = -EBADMSG, }, { .label = "CM Service Request with too short TMSI", .compl_l3_msg = "052401035058a6" "04f480ad8a", .expect_rc = -EBADMSG, }, { .label = "CM Service Reestablish Request with TMSI 0x5a42e404", .compl_l3_msg = "052801035058a6" "05f45a42e404", .expect_mi = { .type = GSM_MI_TYPE_TMSI, .tmsi = 0x5a42e404, }, }, { .label = "Paging Response with IMSI 1234567", .compl_l3_msg = "06270003505886" "0419325476", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "1234567", }, }, { .label = "Paging Response with TMSI 0xb48883de", .compl_l3_msg = "06270003505886" "05f4b48883de", .expect_mi = { .type = GSM_MI_TYPE_TMSI, .tmsi = 0xb48883de, }, }, { .label = "Paging Response with TMSI, with unused nibble not 0xf", .compl_l3_msg = "06270003505886" "0504b48883de", .expect_rc = -EBADMSG, }, { .label = "Paging Response with too short IMEI (1234567)", .compl_l3_msg = "06270003505886" "041a325476", .expect_rc = -EBADMSG, }, { .label = "Paging Response with IMEI 123456789012345", .compl_l3_msg = "06270003505886" "081a32547698103254", .expect_mi = { .type = GSM_MI_TYPE_IMEI, .imei = "123456789012345", }, }, { .label = "Paging Response with IMEI 12345678901234 (no Luhn checksum)", .compl_l3_msg = "06270003505886" "0812325476981032f4", .expect_mi = { .type = GSM_MI_TYPE_IMEI, .imei = "12345678901234", }, }, { .label = "Paging Response with IMEISV 1234567890123456", .compl_l3_msg = "06270003505886" "091332547698103254f6", .expect_mi = { .type = GSM_MI_TYPE_IMEISV, .imeisv = "1234567890123456", }, }, { .label = "Paging Response with too short IMEISV 123456789012345", .compl_l3_msg = "06270003505886" "081b32547698103254", .expect_rc = -EBADMSG, }, { .label = "Paging Response with too long IMEISV 12345678901234567", .compl_l3_msg = "06270003505886" "091b3254769810325476", .expect_rc = -EBADMSG, }, { .label = "Paging Response with IMSI 123456789012345 and flipped ODD bit", .compl_l3_msg = "06270003505886" "081132547698103254", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with IMSI 901700000004620", .compl_l3_msg = "050130" "089910070000006402", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "901700000004620", }, }, { .label = "IMSI-Detach with TMSI 0x0980ad8a", .compl_l3_msg = "050130" "05f40980ad8a", .expect_mi = { .type = GSM_MI_TYPE_TMSI, .tmsi = 0x0980ad8a, }, }, { .label = "IMSI-Detach with invalid MI type", .compl_l3_msg = "050130" "089d10070000006402", .expect_rc = -EINVAL, }, { .label = "IMSI-Detach with truncated IMSI MI", .compl_l3_msg = "050130" "0899100700000064", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with too short IMSI MI (12345)", .compl_l3_msg = "050130" "03193254", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with just long enough IMSI MI 123456", .compl_l3_msg = "050130" "04113254f6", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456", }, }, { .label = "IMSI-Detach with max length IMSI MI 123456789012345", .compl_l3_msg = "050130" "081932547698103254", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "123456789012345", }, }, { .label = "IMSI-Detach with just too long IMSI MI 1234567890123456", .compl_l3_msg = "050130" "091132547698103254f6", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with truncated TMSI MI", .compl_l3_msg = "050130" "05f40980ad", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with odd length TMSI", .compl_l3_msg = "050130" "05fc0980ad8a", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with too long TMSI MI", .compl_l3_msg = "050130" "06f40980ad23", .expect_rc = -EBADMSG, }, { .label = "IMSI-Detach with too short TMSI", .compl_l3_msg = "050130" "04f480ad8a", .expect_rc = -EBADMSG, }, { .label = "Identity Response with IMSI 901700000004620", .compl_l3_msg = "0519" "089910070000006402", .expect_mi = { .type = GSM_MI_TYPE_IMSI, .imsi = "901700000004620", }, }, { .label = "Identity Response with IMEI 123456789012345", .compl_l3_msg = "0519" "081a32547698103254", .expect_mi = { .type = GSM_MI_TYPE_IMEI, .imei = "123456789012345", }, }, { .label = "Identity Response with IMEISV 9876543210987654", .compl_l3_msg = "0519" "099378563412907856f4", .expect_mi = { .type = GSM_MI_TYPE_IMEISV, .imeisv = "9876543210987654", }, }, }; void test_struct_mobile_identity() { struct mobile_identity_tc *t; printf("%s()\n", __func__); for (t = mobile_identity_tests; (t - mobile_identity_tests) < ARRAY_SIZE(mobile_identity_tests); t++) { struct osmo_mobile_identity mi; struct msgb *msg; int rc; memset(&mi, 0xff, sizeof(mi)); msg = msgb_from_hex(t->label, 1024, t->compl_l3_msg); rc = osmo_mobile_identity_decode_from_l3(&mi, msg, false); msgb_free(msg); printf("%s: rc = %d", t->label, rc); if (!rc) { printf(", mi = %s", osmo_mobile_identity_to_str_c(OTC_SELECT, &mi)); } if (rc == t->expect_rc && ((rc != 0) || !osmo_mobile_identity_cmp(&mi, &t->expect_mi))) { printf(" ok"); } else { printf(" ERROR: Expected rc = %d", t->expect_rc); if (!t->expect_rc) printf(", mi = %s", osmo_mobile_identity_to_str_c(OTC_SELECT, &t->expect_mi)); } printf("\n"); } printf("\n"); } static const struct bcd_number_test { /* Human-readable test name */ const char *test_name; /* To be encoded number in ASCII */ const char *enc_ascii; /* Expected encoding result in HEX */ const char *enc_hex; /* Optional header length (LHV) */ uint8_t enc_h_len; /* Expected return code */ int enc_rc; /* To be decoded buffer in HEX */ const char *dec_hex; /* Expected decoding result in ASCII */ const char *dec_ascii; /* Optional header length (LHV) */ uint8_t dec_h_len; /* Expected return code */ int dec_rc; /* Encoding buffer limit (0 means unlimited) */ size_t enc_buf_lim; /* Decoding buffer limit (0 means unlimited) */ size_t dec_buf_lim; } bcd_number_test_set[] = { { .test_name = "regular 9-digit MSISDN", /* Encoding test */ .enc_ascii = "123456789", .enc_hex = "0521436587f9", .enc_rc = 6, /* Decoding test */ .dec_hex = "0521436587f9", .dec_ascii = "123456789", }, { .test_name = "regular 6-digit MSISDN with optional header (LHV)", /* Encoding test */ .enc_ascii = "123456", .enc_hex = "07ffffffff214365", .enc_h_len = 4, /* LHV */ .enc_rc = 4 + 4, /* Decoding test */ .dec_hex = "07deadbeef214365", .dec_ascii = "123456", .dec_h_len = 4, /* LHV */ }, { .test_name = "long 15-digit (maximum) MSISDN", /* Encoding test */ .enc_ascii = "123456789012345", .enc_hex = "0821436587092143f5", .enc_rc = 9, /* Decoding test */ .dec_hex = "0821436587092143f5", .dec_ascii = "123456789012345", }, { .test_name = "long 15-digit (maximum) MSISDN, limited buffer", /* Encoding test */ .enc_ascii = "123456789012345", .enc_hex = "0821436587092143f5", .enc_rc = 9, /* Decoding test */ .dec_hex = "0821436587092143f5", .dec_ascii = "123456789012345", /* Buffer length limitations */ .dec_buf_lim = 15 + 1, .enc_buf_lim = 9, }, { .test_name = "to be truncated 20-digit MSISDN", /* Encoding test (not enough room in buffer) */ .enc_ascii = "12345678901234567890", .enc_hex = "", /* nothing */ .enc_rc = -EIO, /* Decoding test (one 5 digits do not fit) */ .dec_hex = "0a21436587092143658709", .dec_ascii = "123456789012345", .dec_rc = -ENOSPC, /* Buffer length limitations */ .dec_buf_lim = 15 + 1, /* 5 digits less */ .enc_buf_lim = 9, }, { .test_name = "LV incorrect length", .dec_hex = "05214365", /* should be 0x03 */ .dec_ascii = "(none)", .dec_rc = -EINVAL, }, { .test_name = "empty input buffer", /* Encoding test */ .enc_ascii = "", .enc_hex = "00", .enc_rc = 1, /* Decoding test */ .dec_hex = "", .dec_ascii = "(none)", .dec_rc = -EIO, }, { .test_name = "decoding buffer is one byte too small (OS#4049)", /* Decoding test */ .dec_hex = "022143", /* "1234" */ .dec_ascii = "123", /* '4' was truncated */ .dec_rc = -ENOSPC, /* Buffer length limitations */ .dec_buf_lim = 4, }, }; static void test_bcd_number_encode_decode() { const struct bcd_number_test *test; uint8_t buf_enc[0xff] = { 0xff }; char buf_dec[0xff] = { 0xff }; size_t buf_len, i; int rc; printf("BSD number encoding / decoding test\n"); for (i = 0; i < ARRAY_SIZE(bcd_number_test_set); i++) { test = &bcd_number_test_set[i]; printf("- Running test: %s\n", test->test_name); if (test->enc_ascii) { if (test->enc_buf_lim) buf_len = test->enc_buf_lim; else buf_len = sizeof(buf_enc); printf(" - Encoding ASCII (buffer limit=%zu) '%s'...\n", test->enc_buf_lim, test->enc_ascii); rc = gsm48_encode_bcd_number(buf_enc, buf_len, test->enc_h_len, test->enc_ascii); printf(" - Expected: (rc=%d) '%s'\n", test->enc_rc, test->enc_hex); printf(" - Actual: (rc=%d) '%s'\n", rc, osmo_hexdump_nospc(buf_enc, rc >= 0 ? rc : 0)); } if (test->dec_hex) { /* Parse a HEX string */ rc = osmo_hexparse(test->dec_hex, buf_enc, sizeof(buf_enc)); OSMO_ASSERT(rc >= 0); if (test->dec_buf_lim) buf_len = test->dec_buf_lim; else buf_len = sizeof(buf_dec); printf(" - Decoding HEX (buffer limit=%zu) '%s'...\n", test->dec_buf_lim, test->dec_hex); rc = gsm48_decode_bcd_number2(buf_dec, buf_len, buf_enc, rc, test->dec_h_len); printf(" - Expected: (rc=%d) '%s'\n", test->dec_rc, test->dec_ascii); printf(" - Actual: (rc=%d) '%s'\n", rc, (rc == 0 || rc == -ENOSPC) ? buf_dec : "(none)"); } /* Poison buffers between the test iterations */ memset(buf_enc, 0xff, sizeof(buf_enc)); memset(buf_dec, 0xff, sizeof(buf_dec)); } printf("\n"); } struct { int range; int arfcns_num; int arfcns[OSMO_GSM48_RANGE_ENC_MAX_ARFCNS]; } arfcn_test_ranges[] = { {OSMO_GSM48_ARFCN_RANGE_512, 12, { 1, 12, 31, 51, 57, 91, 97, 98, 113, 117, 120, 125 }}, {OSMO_GSM48_ARFCN_RANGE_512, 17, { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17 }}, {OSMO_GSM48_ARFCN_RANGE_512, 18, { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 }}, {OSMO_GSM48_ARFCN_RANGE_512, 18, { 1, 17, 31, 45, 58, 79, 81, 97, 113, 127, 213, 277, 287, 311, 331, 391, 417, 511 }}, {OSMO_GSM48_ARFCN_RANGE_512, 6, { 1, 17, 31, 45, 58, 79 }}, {OSMO_GSM48_ARFCN_RANGE_512, 6, { 10, 17, 31, 45, 58, 79 }}, {OSMO_GSM48_ARFCN_RANGE_1024, 17, { 0, 17, 31, 45, 58, 79, 81, 97, 113, 127, 213, 277, 287, 311, 331, 391, 1023 }}, {OSMO_GSM48_ARFCN_RANGE_1024, 16, { 17, 31, 45, 58, 79, 81, 97, 113, 127, 213, 277, 287, 311, 331, 391, 1023 }}, {-1} }; static int test_single_range_encoding(int range, const int *orig_arfcns, int arfcns_num, int silent) { int arfcns[OSMO_GSM48_RANGE_ENC_MAX_ARFCNS]; int w[OSMO_GSM48_RANGE_ENC_MAX_ARFCNS]; int f0_included = 0; int rc, f0; uint8_t chan_list[16] = {0}; struct gsm_sysinfo_freq dec_freq[1024] = {{0}}; int dec_arfcns[OSMO_GSM48_RANGE_ENC_MAX_ARFCNS] = {0}; int dec_arfcns_count = 0; int arfcns_used = 0; int i; arfcns_used = arfcns_num; memmove(arfcns, orig_arfcns, sizeof(arfcns)); f0 = range == OSMO_GSM48_ARFCN_RANGE_1024 ? 0 : arfcns[0]; /* * Manipulate the ARFCN list according to the rules in J4 depending * on the selected range. */ arfcns_used = osmo_gsm48_range_enc_filter_arfcns(arfcns, arfcns_used, f0, &f0_included); memset(w, 0, sizeof(w)); osmo_gsm48_range_enc_arfcns(range, arfcns, arfcns_used, w, 0); if (!silent) printf("range=%d, arfcns_used=%d, f0=%d, f0_included=%d\n", range, arfcns_used, f0, f0_included); /* Select the range and the amount of bits needed */ switch (range) { case OSMO_GSM48_ARFCN_RANGE_128: osmo_gsm48_range_enc_128(chan_list, f0, w); break; case OSMO_GSM48_ARFCN_RANGE_256: osmo_gsm48_range_enc_256(chan_list, f0, w); break; case OSMO_GSM48_ARFCN_RANGE_512: osmo_gsm48_range_enc_512(chan_list, f0, w); break; case OSMO_GSM48_ARFCN_RANGE_1024: osmo_gsm48_range_enc_1024(chan_list, f0, f0_included, w); break; default: return 1; }; if (!silent) printf("chan_list = %s\n", osmo_hexdump(chan_list, sizeof(chan_list))); rc = gsm48_decode_freq_list(dec_freq, chan_list, sizeof(chan_list), 0xfe, 1); if (rc != 0) { printf("Cannot decode freq list, rc = %d\n", rc); return 1; } for (i = 0; i < ARRAY_SIZE(dec_freq); i++) { if (dec_freq[i].mask && dec_arfcns_count < ARRAY_SIZE(dec_arfcns)) dec_arfcns[dec_arfcns_count++] = i; } if (!silent) { printf("Decoded freqs %d (expected %d)\n", dec_arfcns_count, arfcns_num); printf("Decoded: "); for (i = 0; i < dec_arfcns_count; i++) { printf("%d ", dec_arfcns[i]); if (dec_arfcns[i] != orig_arfcns[i]) printf("(!= %d) ", orig_arfcns[i]); } printf("\n"); } if (dec_arfcns_count != arfcns_num) { printf("Wrong number of arfcns\n"); return 1; } if (memcmp(dec_arfcns, orig_arfcns, sizeof(dec_arfcns)) != 0) { printf("Decoding error, got wrong freqs\n"); printf(" w = "); for (i = 0; i < ARRAY_SIZE(w); i++) printf("%d ", w[i]); printf("\n"); return 1; } return 0; } static void test_random_range_encoding(int range, int max_arfcn_num) { int arfcns_num = 0; int test_idx; int rc, max_count; int num_tests = 1024; printf("Random range test: range %d, max num ARFCNs %d\n", range, max_arfcn_num); srandom(1); for (max_count = 1; max_count < max_arfcn_num; max_count++) { for (test_idx = 0; test_idx < num_tests; test_idx++) { int count; int i; int min_freq = 0; int rnd_arfcns[OSMO_GSM48_RANGE_ENC_MAX_ARFCNS] = {0}; char rnd_arfcns_set[1024] = {0}; if (range < OSMO_GSM48_ARFCN_RANGE_1024) min_freq = random() % (1023 - range); for (count = max_count; count; ) { int arfcn = min_freq + random() % (range + 1); OSMO_ASSERT(arfcn < ARRAY_SIZE(rnd_arfcns_set)); if (!rnd_arfcns_set[arfcn]) { rnd_arfcns_set[arfcn] = 1; count -= 1; } } arfcns_num = 0; for (i = 0; i < ARRAY_SIZE(rnd_arfcns_set); i++) if (rnd_arfcns_set[i]) rnd_arfcns[arfcns_num++] = i; rc = test_single_range_encoding(range, rnd_arfcns, arfcns_num, 1); if (rc != 0) { printf("Failed on test %d, range %d, num ARFCNs %d\n", test_idx, range, max_count); test_single_range_encoding(range, rnd_arfcns, arfcns_num, 0); return; } } } } static void test_range_encoding() { int *arfcns; int arfcns_num = 0; int test_idx; int range; for (test_idx = 0; arfcn_test_ranges[test_idx].arfcns_num > 0; test_idx++) { arfcns_num = arfcn_test_ranges[test_idx].arfcns_num; arfcns = &arfcn_test_ranges[test_idx].arfcns[0]; range = arfcn_test_ranges[test_idx].range; printf("Range test %d: range %d, num ARFCNs %d\n", test_idx, range, arfcns_num); test_single_range_encoding(range, arfcns, arfcns_num, 0); } test_random_range_encoding(OSMO_GSM48_ARFCN_RANGE_128, 29); test_random_range_encoding(OSMO_GSM48_ARFCN_RANGE_256, 22); test_random_range_encoding(OSMO_GSM48_ARFCN_RANGE_512, 18); test_random_range_encoding(OSMO_GSM48_ARFCN_RANGE_1024, 16); } static int freqs1[] = { 12, 70, 121, 190, 250, 320, 401, 475, 520, 574, 634, 700, 764, 830, 905, 980 }; static int freqs2[] = { 402, 460, 1, 67, 131, 197, 272, 347, }; static int freqs3[] = { 68, 128, 198, 279, 353, 398, 452, }; static int w_out[] = { 122, 2, 69, 204, 75, 66, 60, 70, 83, 3, 24, 67, 54, 64, 70, 9, }; static int range128[] = { 1, 1 + 127, }; static int range256[] = { 1, 1 + 128, }; static int range512[] = { 1, 1+ 511, }; #define VERIFY(res, cmp, wanted) \ if (!(res cmp wanted)) { \ printf("ASSERT failed: %s:%d Wanted: %d %s %d\n", \ __FILE__, __LINE__, (int) res, # cmp, (int) wanted); \ } static void test_arfcn_filter() { int arfcns[50], i, res, f0_included; for (i = 0; i < ARRAY_SIZE(arfcns); ++i) arfcns[i] = (i + 1) * 2; /* check that the arfcn is taken out. f0_included is only set for Range1024 */ f0_included = 24; res = osmo_gsm48_range_enc_filter_arfcns(arfcns, ARRAY_SIZE(arfcns), arfcns[0], &f0_included); VERIFY(res, ==, ARRAY_SIZE(arfcns) - 1); VERIFY(f0_included, ==, 1); for (i = 0; i < res; ++i) VERIFY(arfcns[i], ==, ((i+2) * 2) - (2+1)); /* check with range1024, ARFCN 0 is included */ for (i = 0; i < ARRAY_SIZE(arfcns); ++i) arfcns[i] = i * 2; res = osmo_gsm48_range_enc_filter_arfcns(arfcns, ARRAY_SIZE(arfcns), 0, &f0_included); VERIFY(res, ==, ARRAY_SIZE(arfcns) - 1); VERIFY(f0_included, ==, 1); for (i = 0; i < res; ++i) VERIFY(arfcns[i], ==, (i + 1) * 2 - 1); /* check with range1024, ARFCN 0 not included */ for (i = 0; i < ARRAY_SIZE(arfcns); ++i) arfcns[i] = (i + 1) * 2; res = osmo_gsm48_range_enc_filter_arfcns(arfcns, ARRAY_SIZE(arfcns), 0, &f0_included); VERIFY(res, ==, ARRAY_SIZE(arfcns)); VERIFY(f0_included, ==, 0); for (i = 0; i < res; ++i) VERIFY(arfcns[i], ==, ((i + 1) * 2) - 1); } static void test_print_encoding() { int rc; int w[17]; uint8_t chan_list[16]; memset(chan_list, 0x23, sizeof(chan_list)); for (rc = 0; rc < ARRAY_SIZE(w); ++rc) switch (rc % 3) { case 0: w[rc] = 0xAAAA; break; case 1: w[rc] = 0x5555; break; case 2: w[rc] = 0x9696; break; } osmo_gsm48_range_enc_512(chan_list, (1 << 9) | 0x96, w); printf("Range512: %s\n", osmo_hexdump(chan_list, ARRAY_SIZE(chan_list))); } static void test_si_range_helpers() { int ws[(sizeof(freqs1)/sizeof(freqs1[0]))]; int i, f0 = 0xFFFFFF; memset(&ws[0], 0x23, sizeof(ws)); i = osmo_gsm48_range_enc_find_index(1023, freqs1, ARRAY_SIZE(freqs1)); printf("Element is: %d => freqs[i] = %d\n", i, i >= 0 ? freqs1[i] : -1); VERIFY(i, ==, 2); i = osmo_gsm48_range_enc_find_index(511, freqs2, ARRAY_SIZE(freqs2)); printf("Element is: %d => freqs[i] = %d\n", i, i >= 0 ? freqs2[i] : -1); VERIFY(i, ==, 2); i = osmo_gsm48_range_enc_find_index(511, freqs3, ARRAY_SIZE(freqs3)); printf("Element is: %d => freqs[i] = %d\n", i, i >= 0 ? freqs3[i] : -1); VERIFY(i, ==, 0); osmo_gsm48_range_enc_arfcns(1023, freqs1, ARRAY_SIZE(freqs1), ws, 0); for (i = 0; i < sizeof(freqs1)/sizeof(freqs1[0]); ++i) { printf("w[%d]=%d\n", i, ws[i]); VERIFY(ws[i], ==, w_out[i]); } i = osmo_gsm48_range_enc_determine_range(range128, ARRAY_SIZE(range128), &f0); VERIFY(i, ==, OSMO_GSM48_ARFCN_RANGE_128); VERIFY(f0, ==, 1); i = osmo_gsm48_range_enc_determine_range(range256, ARRAY_SIZE(range256), &f0); VERIFY(i, ==, OSMO_GSM48_ARFCN_RANGE_256); VERIFY(f0, ==, 1); i = osmo_gsm48_range_enc_determine_range(range512, ARRAY_SIZE(range512), &f0); VERIFY(i, ==, OSMO_GSM48_ARFCN_RANGE_512); VERIFY(f0, ==, 1); } static void test_power_ctrl() { int8_t rc8; int rc; rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_850, 0x00); VERIFY(rc8, ==, 1); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_900, 0x02); VERIFY(rc8, ==, 3); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_1800, 0x02); VERIFY(rc8, ==, 3); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_1900, 0x02); VERIFY(rc8, ==, 3); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_1900, 0x04); VERIFY(rc8, <, 0); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_900, 0x04); VERIFY(rc8, ==, 5); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_900, 0x05); VERIFY(rc8, <, 0); rc8 = osmo_gsm48_rfpowercap2powerclass(GSM_BAND_900, 0xf2); VERIFY(rc8, <, 0); rc = ms_class_gmsk_dbm(GSM_BAND_850, 0); VERIFY(rc, <, 0); rc = ms_class_gmsk_dbm(GSM_BAND_850, 1); VERIFY(rc, ==, 43); rc = ms_class_gmsk_dbm(GSM_BAND_900, 3); VERIFY(rc, ==, 37); rc = ms_class_gmsk_dbm(GSM_BAND_1800, 2); VERIFY(rc, ==, 24); rc = ms_class_gmsk_dbm(GSM_BAND_1800, 3); VERIFY(rc, ==, 36); rc = ms_class_gmsk_dbm(GSM_BAND_1900, 3); VERIFY(rc, ==, 33); rc = ms_class_gmsk_dbm(GSM_BAND_1900, 4); VERIFY(rc, <, 0); rc = ms_class_gmsk_dbm(GSM_BAND_900, 5); VERIFY(rc, ==, 29); rc = ms_class_gmsk_dbm(GSM_BAND_900, 6); VERIFY(rc, <, 0); } int main(int argc, char **argv) { test_bearer_cap(); test_mid_from_tmsi(); test_mid_from_imsi(); test_mid_encode_decode(); test_mid_decode_zero_length(); test_struct_mobile_identity(); test_bcd_number_encode_decode(); test_ra_cap(); test_lai_encode_decode(); test_decode_classmark3(); test_si_range_helpers(); test_arfcn_filter(); test_print_encoding(); test_range_encoding(); test_power_ctrl(); return EXIT_SUCCESS; }