int main(int argc, char **argv) { struct osmo_auth_vector _vec; struct osmo_auth_vector *vec = &_vec; uint8_t _rand[16]; int rc; #if 0 srand(time(NULL)); *(uint32_t *)&_rand[0] = rand(); *(uint32_t *)(&_rand[4]) = rand(); *(uint32_t *)(&_rand[8]) = rand(); *(uint32_t *)(&_rand[12]) = rand(); #else memset(_rand, 0, sizeof(_rand)); #endif memset(vec, 0, sizeof(*vec)); rc = osmo_auth_gen_vec(vec, &test_aud, _rand); if (rc < 0) { fprintf(stderr, "error generating auth vector\n"); exit(1); } dump_auth_vec(vec); const uint8_t auts[14] = { 0x87, 0x11, 0xa0, 0xec, 0x9e, 0x16, 0x37, 0xdf, 0x17, 0xf8, 0x0b, 0x38, 0x4e, 0xe4 }; rc = osmo_auth_gen_vec_auts(vec, &test_aud, auts, _rand, _rand); if (rc < 0) { printf("AUTS failed\n"); } else { printf("AUTS success: SEQ.MS = %lu\n", test_aud.u.umts.sqn); } exit(0); }
int main(int argc, char **argv) { struct osmo_auth_vector _vec; struct osmo_auth_vector *vec = &_vec; uint8_t _rand[16], _auts[16]; int rc, option_index; int rand_is_set = 0; int auts_is_set = 0; int fmt_triplets_dat = 0; printf("osmo-auc-gen (C) 2011-2012 by Harald Welte\n"); printf("This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY\n\n"); memset(_auts, 0, sizeof(_auts)); while (1) { int c; unsigned long ul; static struct option long_options[] = { { "2g", 0, 0, '2' }, { "3g", 0, 0, '3' }, { "algorithm", 1, 0, 'a' }, { "key", 1, 0, 'k' }, { "opc", 1, 0, 'o' }, { "op", 1, 0, 'O' }, { "amf", 1, 0, 'f' }, { "sqn", 1, 0, 's' }, { "rand", 1, 0, 'r' }, { "auts", 1, 0, 'A' }, { "help", 0, 0, 'h' }, { 0, 0, 0, 0 } }; rc = 0; c = getopt_long(argc, argv, "23a:k:o:f:s:r:hO:A:I", long_options, &option_index); if (c == -1) break; switch (c) { case '2': test_aud.type = OSMO_AUTH_TYPE_GSM; break; case '3': test_aud.type = OSMO_AUTH_TYPE_UMTS; break; case 'a': rc = osmo_auth_alg_parse(optarg); if (rc < 0) break; test_aud.algo = rc; break; case 'k': switch (test_aud.type) { case OSMO_AUTH_TYPE_GSM: rc = osmo_hexparse(optarg, test_aud.u.gsm.ki, sizeof(test_aud.u.gsm.ki)); break; case OSMO_AUTH_TYPE_UMTS: rc = osmo_hexparse(optarg, test_aud.u.umts.k, sizeof(test_aud.u.umts.k)); break; default: fprintf(stderr, "please specify 2g/3g first!\n"); } break; case 'o': if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { fprintf(stderr, "Only UMTS has OPC\n"); exit(2); } rc = osmo_hexparse(optarg, test_aud.u.umts.opc, sizeof(test_aud.u.umts.opc)); test_aud.u.umts.opc_is_op = 0; break; case 'O': if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { fprintf(stderr, "Only UMTS has OP\n"); exit(2); } rc = osmo_hexparse(optarg, test_aud.u.umts.opc, sizeof(test_aud.u.umts.opc)); test_aud.u.umts.opc_is_op = 1; break; case 'A': if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { fprintf(stderr, "Only UMTS has AUTS\n"); exit(2); } rc = osmo_hexparse(optarg, _auts, sizeof(_auts)); auts_is_set = 1; break; case 'f': if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { fprintf(stderr, "Only UMTS has AMF\n"); exit(2); } rc = osmo_hexparse(optarg, test_aud.u.umts.amf, sizeof(test_aud.u.umts.amf)); break; case 's': if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { fprintf(stderr, "Only UMTS has SQN\n"); exit(2); } ul = strtoul(optarg, 0, 10); test_aud.u.umts.sqn = ul; break; case 'r': rc = osmo_hexparse(optarg, _rand, sizeof(_rand)); rand_is_set = 1; break; case 'I': fmt_triplets_dat = 1; break; case 'h': help(); exit(0); default: help(); exit(1); } if (rc < 0) { fprintf(stderr, "Error parsing argument of option `%c'\n", c); exit(2); } } if (!rand_is_set) { int i; printf("WARNING: We're using really weak random numbers!\n\n"); srand(time(NULL)); for (i = 0; i < 4; ++i) { uint32_t r; r = rand(); memcpy(&_rand[i*4], &r, 4); } } if (test_aud.type == OSMO_AUTH_TYPE_NONE || test_aud.algo == OSMO_AUTH_ALG_NONE) { help(); exit(2); } memset(vec, 0, sizeof(*vec)); if (!auts_is_set) rc = osmo_auth_gen_vec(vec, &test_aud, _rand); else rc = osmo_auth_gen_vec_auts(vec, &test_aud, _auts, _rand, _rand); if (rc < 0) { if (!auts_is_set) fprintf(stderr, "error generating auth vector\n"); else fprintf(stderr, "AUTS from MS seems incorrect\n"); exit(1); } if (fmt_triplets_dat) dump_triplets_dat(vec); else dump_auth_vec(vec); if (auts_is_set) printf("AUTS success: SEQ.MS = %" PRIu64 "\n", test_aud.u.umts.sqn); exit(0); }