diff options
| -rw-r--r-- | utils/osmo-auc-gen.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/utils/osmo-auc-gen.c b/utils/osmo-auc-gen.c index 872d6f39..f0cfa795 100644 --- a/utils/osmo-auc-gen.c +++ b/utils/osmo-auc-gen.c @@ -70,6 +70,7 @@ static struct osmo_sub_auth_data test_aud = { static void help() { + int alg; printf( "-2 --2g\tUse 2G (GSM) authentication\n" "-3 --3g\tUse 3G (UMTS) authentication\n" "-a --algorithm\tSpecify name of the algorithm\n" @@ -81,6 +82,11 @@ static void help() "-A --auts\tSpecify AUTS (only for 3G)\n" "-r --rand\tSpecify random value\n" "-I --ipsec\tOutput in triplets.dat format for strongswan\n"); + + fprintf(stderr, "\nAvailable algorithms for option -a:\n"); + for (alg = 1; alg < _OSMO_AUTH_ALG_NUM; alg++) + fprintf(stderr, " %s\n", + osmo_auth_alg_name(alg)); } int main(int argc, char **argv) @@ -209,7 +215,8 @@ int main(int argc, char **argv) } if (rc < 0) { - fprintf(stderr, "Error parsing argument of option `%c'\n", c); + help(); + fprintf(stderr, "\nError parsing argument of option `%c'\n", c); exit(2); } } @@ -229,6 +236,8 @@ int main(int argc, char **argv) if (test_aud.type == OSMO_AUTH_TYPE_NONE || test_aud.algo == OSMO_AUTH_ALG_NONE) { help(); + fprintf(stderr, "\nError: you need to pass at least" + " -2 or -3, as well as an algorithm to use.\n"); exit(2); } |