From cebf3f0d3c57496bf1ffd679c6717c5079e33613 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Thu, 22 Mar 2012 16:45:23 +0100 Subject: osmo-auc-gen: Add mode for verifying user-supplied AUTS When -A is used on the command line, the respective AUTS value will be validated and the SQN of the UICC printed. --- utils/osmo-auc-gen.c | 39 +++++++++++++++++++++++++-------------- 1 file changed, 25 insertions(+), 14 deletions(-) (limited to 'utils') diff --git a/utils/osmo-auc-gen.c b/utils/osmo-auc-gen.c index c3a4fbc9..e3502b2c 100644 --- a/utils/osmo-auc-gen.c +++ b/utils/osmo-auc-gen.c @@ -62,6 +62,7 @@ static void help() "-O --op\tSpecify OP (only for 3G)\n" "-a --amf\tSpecify AMF (only for 3G)\n" "-s --sqn\tSpecify SQN (only for 3G)\n" + "-A --auts\tSpecify AUTS (only for 3G)\n" "-r --rand\tSpecify random value\n"); } @@ -69,13 +70,16 @@ int main(int argc, char **argv) { struct osmo_auth_vector _vec; struct osmo_auth_vector *vec = &_vec; - uint8_t _rand[16]; + uint8_t _rand[16], _auts[16]; int rc, option_index; int rand_is_set = 0; + int auts_is_set = 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; @@ -89,13 +93,14 @@ int main(int argc, char **argv) { "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:", long_options, + c = getopt_long(argc, argv, "23a:k:o:f:s:r:hO:A:", long_options, &option_index); if (c == -1) @@ -146,6 +151,14 @@ int main(int argc, char **argv) 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"); @@ -197,24 +210,22 @@ int main(int argc, char **argv) memset(vec, 0, sizeof(*vec)); - rc = osmo_auth_gen_vec(vec, &test_aud, _rand); + 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) { - fprintf(stderr, "error generating auth vector\n"); + if (!auts_is_set) + fprintf(stderr, "error generating auth vector\n"); + else + fprintf(stderr, "AUTS from MS seems incorrect\n"); exit(1); } dump_auth_vec(vec); -#if 0 - 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 { + if (auts_is_set) printf("AUTS success: SEQ.MS = %lu\n", test_aud.u.umts.sqn); - } -#endif - exit(0); + exit(0); } -- cgit v1.2.3