osmo-auc-gen: Add "-I" mode for generating triplets.dat for strongswan
If you want to use eap-sim-file with strongswan, you need a triplets.dat
file in a specific format. osmo-auc-gen can now generate the respective
format automatically.
diff --git a/utils/osmo-auc-gen.c b/utils/osmo-auc-gen.c
index e3502b2..266d0d6 100644
--- a/utils/osmo-auc-gen.c
+++ b/utils/osmo-auc-gen.c
@@ -30,6 +30,18 @@
#include <osmocom/crypt/auth.h>
#include <osmocom/core/utils.h>
+static void dump_triplets_dat(struct osmo_auth_vector *vec)
+{
+ if (vec->auth_types & OSMO_AUTH_TYPE_UMTS) {
+ fprintf(stderr, "triplets.dat doesn't support UMTS!\n");
+ return;
+ }
+ printf("imsi,");
+ printf("%s,", osmo_hexdump_nospc(vec->rand, sizeof(vec->rand)));
+ printf("%s,", osmo_hexdump_nospc(vec->sres, sizeof(vec->sres)));
+ printf("%s\n", osmo_hexdump_nospc(vec->kc, sizeof(vec->kc)));
+}
+
static void dump_auth_vec(struct osmo_auth_vector *vec)
{
printf("RAND:\t%s\n", osmo_hexdump(vec->rand, sizeof(vec->rand)));
@@ -63,7 +75,8 @@
"-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");
+ "-r --rand\tSpecify random value\n"
+ "-I --ipsec\tOutput in triplets.dat format for strongswan\n");
}
int main(int argc, char **argv)
@@ -74,6 +87,7 @@
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");
@@ -100,7 +114,7 @@
rc = 0;
- c = getopt_long(argc, argv, "23a:k:o:f:s:r:hO:A:", long_options,
+ c = getopt_long(argc, argv, "23a:k:o:f:s:r:hO:A:I", long_options,
&option_index);
if (c == -1)
@@ -179,6 +193,9 @@
rc = osmo_hexparse(optarg, _rand, sizeof(_rand));
rand_is_set = 1;
break;
+ case 'I':
+ fmt_triplets_dat = 1;
+ break;
case 'h':
help();
exit(0);
@@ -222,7 +239,10 @@
exit(1);
}
- dump_auth_vec(vec);
+ if (fmt_triplets_dat)
+ dump_triplets_dat(vec);
+ else
+ dump_auth_vec(vec);
if (auts_is_set)
printf("AUTS success: SEQ.MS = %lu\n", test_aud.u.umts.sqn);