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.
This commit is contained in:
Harald Welte 2012-03-22 16:45:23 +01:00
parent bc6f56c221
commit cebf3f0d3c
1 changed files with 25 additions and 14 deletions

View File

@ -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);
}