| /* |
| * (C) 2012 by Harald Welte <laforge@gnumonks.org> |
| * 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 <string.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <osmocom/gsm/protocol/gsm_04_08.h> |
| #include <osmocom/gsm/gsm48_ie.h> |
| #include <osmocom/gsm/gsm48.h> |
| #include <osmocom/gsm/gsm48_arfcn_range_encode.h> |
| #include <osmocom/gsm/gsm_utils.h> |
| #include <osmocom/gsm/mncc.h> |
| #include <osmocom/core/backtrace.h> |
| #include <osmocom/core/utils.h> |
| #include <osmocom/core/msgb.h> |
| |
| |
| 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 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_si_range_helpers(); |
| test_arfcn_filter(); |
| test_print_encoding(); |
| test_range_encoding(); |
| test_power_ctrl(); |
| |
| return EXIT_SUCCESS; |
| } |