Neels Hofmeyr | 17518fe | 2017-06-20 04:35:06 +0200 | [diff] [blame] | 1 | /*! \file osmo-auc-gen.c |
| 2 | * GSM/GPRS/3G authentication testing tool. */ |
| 3 | /* |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 4 | * (C) 2010-2023 by Harald Welte <laforge@gnumonks.org> |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 18 | */ |
| 19 | |
| 20 | |
| 21 | #include <stdlib.h> |
| 22 | #include <stdio.h> |
| 23 | #include <errno.h> |
| 24 | #include <string.h> |
Jan Engelhardt | a6d8393 | 2013-06-03 01:38:57 +0200 | [diff] [blame] | 25 | #include <time.h> |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 26 | #include <getopt.h> |
Harald Welte | b53717f | 2012-08-02 08:42:59 +0200 | [diff] [blame] | 27 | #include <unistd.h> |
Holger Hans Peter Freyther | a652abc | 2013-07-14 09:11:47 +0200 | [diff] [blame] | 28 | #include <inttypes.h> |
| 29 | #include <time.h> |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 30 | |
| 31 | #include <osmocom/crypt/auth.h> |
| 32 | #include <osmocom/core/utils.h> |
Harald Welte | 53b4bbb | 2021-09-16 21:36:16 +0200 | [diff] [blame] | 33 | #include <osmocom/core/base64.h> |
Max | 4b2b0cc | 2017-07-10 14:32:48 +0200 | [diff] [blame] | 34 | #include <osmocom/gsm/gsm_utils.h> |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 35 | |
Harald Welte | 53b4bbb | 2021-09-16 21:36:16 +0200 | [diff] [blame] | 36 | static void print_base64(const char *fmt, const uint8_t *data, unsigned int len) |
| 37 | { |
| 38 | uint8_t outbuf[256]; |
| 39 | size_t olen; |
| 40 | |
| 41 | OSMO_ASSERT(osmo_base64_encode(outbuf, sizeof(outbuf), &olen, data, len) == 0); |
| 42 | OSMO_ASSERT(sizeof(outbuf) > olen); |
| 43 | outbuf[olen] = '\0'; |
| 44 | printf(fmt, outbuf); |
| 45 | } |
| 46 | |
Harald Welte | 57799ed | 2012-06-27 15:06:19 +0200 | [diff] [blame] | 47 | static void dump_triplets_dat(struct osmo_auth_vector *vec) |
| 48 | { |
| 49 | if (vec->auth_types & OSMO_AUTH_TYPE_UMTS) { |
| 50 | fprintf(stderr, "triplets.dat doesn't support UMTS!\n"); |
| 51 | return; |
| 52 | } |
| 53 | printf("imsi,"); |
| 54 | printf("%s,", osmo_hexdump_nospc(vec->rand, sizeof(vec->rand))); |
| 55 | printf("%s,", osmo_hexdump_nospc(vec->sres, sizeof(vec->sres))); |
| 56 | printf("%s\n", osmo_hexdump_nospc(vec->kc, sizeof(vec->kc))); |
| 57 | } |
| 58 | |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 59 | static void dump_auth_vec(struct osmo_auth_vector *vec) |
| 60 | { |
Harald Welte | 4f511b6 | 2016-05-18 19:36:42 +0200 | [diff] [blame] | 61 | printf("RAND:\t%s\n", osmo_hexdump_nospc(vec->rand, sizeof(vec->rand))); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 62 | |
| 63 | if (vec->auth_types & OSMO_AUTH_TYPE_UMTS) { |
Harald Welte | 53b4bbb | 2021-09-16 21:36:16 +0200 | [diff] [blame] | 64 | uint8_t inbuf[sizeof(vec->rand) + sizeof(vec->autn)]; |
| 65 | |
Harald Welte | 4f511b6 | 2016-05-18 19:36:42 +0200 | [diff] [blame] | 66 | printf("AUTN:\t%s\n", osmo_hexdump_nospc(vec->autn, sizeof(vec->autn))); |
| 67 | printf("IK:\t%s\n", osmo_hexdump_nospc(vec->ik, sizeof(vec->ik))); |
| 68 | printf("CK:\t%s\n", osmo_hexdump_nospc(vec->ck, sizeof(vec->ck))); |
| 69 | printf("RES:\t%s\n", osmo_hexdump_nospc(vec->res, vec->res_len)); |
Harald Welte | 53b4bbb | 2021-09-16 21:36:16 +0200 | [diff] [blame] | 70 | |
| 71 | memcpy(inbuf, vec->rand, sizeof(vec->rand)); |
| 72 | memcpy(inbuf + sizeof(vec->rand), vec->autn, sizeof(vec->autn)); |
| 73 | print_base64("IMS nonce:\t%s\n", inbuf, sizeof(inbuf)); |
| 74 | print_base64("IMS res:\t%s\n", vec->res, vec->res_len); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | if (vec->auth_types & OSMO_AUTH_TYPE_GSM) { |
Harald Welte | 4f511b6 | 2016-05-18 19:36:42 +0200 | [diff] [blame] | 78 | printf("SRES:\t%s\n", osmo_hexdump_nospc(vec->sres, sizeof(vec->sres))); |
| 79 | printf("Kc:\t%s\n", osmo_hexdump_nospc(vec->kc, sizeof(vec->kc))); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 80 | } |
| 81 | } |
| 82 | |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 83 | static struct osmo_sub_auth_data2 test_aud = { |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 84 | .type = OSMO_AUTH_TYPE_NONE, |
| 85 | .algo = OSMO_AUTH_ALG_NONE, |
| 86 | }; |
| 87 | |
Harald Welte | e61d459 | 2022-11-03 11:05:58 +0100 | [diff] [blame] | 88 | static void help(void) |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 89 | { |
Neels Hofmeyr | 18d65be | 2017-02-03 18:36:32 +0100 | [diff] [blame] | 90 | int alg; |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 91 | printf( "-2 --2g\tUse 2G (GSM) authentication\n" |
| 92 | "-3 --3g\tUse 3G (UMTS) authentication\n" |
| 93 | "-a --algorithm\tSpecify name of the algorithm\n" |
| 94 | "-k --key\tSpecify Ki / K\n" |
| 95 | "-o --opc\tSpecify OPC (only for 3G)\n" |
Harald Welte | a72e47b | 2012-03-21 09:03:16 +0100 | [diff] [blame] | 96 | "-O --op\tSpecify OP (only for 3G)\n" |
Holger Hans Peter Freyther | 91ff17c | 2015-05-26 00:11:37 +0800 | [diff] [blame] | 97 | "-f --amf\tSpecify AMF (only for 3G)\n" |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 98 | "-s --sqn\tSpecify SQN (only for 3G)\n" |
Neels Hofmeyr | 3cb0827 | 2017-08-26 21:45:33 +0200 | [diff] [blame] | 99 | "-i --ind\tSpecify IND slot for new SQN after AUTS (only for 3G)\n" |
Neels Hofmeyr | b1af6ef | 2017-08-26 21:38:51 +0200 | [diff] [blame] | 100 | "-l --ind-len\tSpecify IND bit length (default=5) (only for 3G)\n" |
Harald Welte | d8e5309 | 2023-05-30 15:01:38 +0200 | [diff] [blame] | 101 | "-L --res-len\tSpecify RES byte length (default=8) (only for 3G)\n" |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 102 | "-A --auts\tSpecify AUTS (only for 3G)\n" |
Harald Welte | 57799ed | 2012-06-27 15:06:19 +0200 | [diff] [blame] | 103 | "-r --rand\tSpecify random value\n" |
| 104 | "-I --ipsec\tOutput in triplets.dat format for strongswan\n"); |
Neels Hofmeyr | 18d65be | 2017-02-03 18:36:32 +0100 | [diff] [blame] | 105 | |
| 106 | fprintf(stderr, "\nAvailable algorithms for option -a:\n"); |
| 107 | for (alg = 1; alg < _OSMO_AUTH_ALG_NUM; alg++) |
| 108 | fprintf(stderr, " %s\n", |
| 109 | osmo_auth_alg_name(alg)); |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 110 | } |
| 111 | |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 112 | int main(int argc, char **argv) |
| 113 | { |
| 114 | struct osmo_auth_vector _vec; |
| 115 | struct osmo_auth_vector *vec = &_vec; |
Neels Hofmeyr | 8352d31 | 2017-02-02 20:05:14 +0100 | [diff] [blame] | 116 | uint8_t _rand[16], _auts[14]; |
Pau Espin Pedrol | c30a76b | 2017-11-16 16:37:55 +0100 | [diff] [blame] | 117 | uint64_t sqn = 0; |
Neels Hofmeyr | b2e41cc | 2017-09-12 03:25:43 +0200 | [diff] [blame] | 118 | unsigned int ind = 0; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 119 | int rc, option_index; |
| 120 | int rand_is_set = 0; |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 121 | int auts_is_set = 0; |
Neels Hofmeyr | d157bbb | 2017-08-26 22:08:36 +0200 | [diff] [blame] | 122 | int sqn_is_set = 0; |
Neels Hofmeyr | 3cb0827 | 2017-08-26 21:45:33 +0200 | [diff] [blame] | 123 | int ind_is_set = 0; |
Harald Welte | 57799ed | 2012-06-27 15:06:19 +0200 | [diff] [blame] | 124 | int fmt_triplets_dat = 0; |
Neels Hofmeyr | b2e41cc | 2017-09-12 03:25:43 +0200 | [diff] [blame] | 125 | uint64_t ind_mask = 0; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 126 | |
Harald Welte | d8e5309 | 2023-05-30 15:01:38 +0200 | [diff] [blame] | 127 | printf("osmo-auc-gen (C) 2011-2023 by Harald Welte\n"); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 128 | printf("This is FREE SOFTWARE with ABSOLUTELY NO WARRANTY\n\n"); |
| 129 | |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 130 | memset(_auts, 0, sizeof(_auts)); |
Harald Welte | d8e5309 | 2023-05-30 15:01:38 +0200 | [diff] [blame] | 131 | memset(vec, 0, sizeof(*vec)); |
| 132 | vec->res_len = 8; /* default */ |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 133 | |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 134 | while (1) { |
| 135 | int c; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 136 | static struct option long_options[] = { |
| 137 | { "2g", 0, 0, '2' }, |
| 138 | { "3g", 0, 0, '3' }, |
| 139 | { "algorithm", 1, 0, 'a' }, |
| 140 | { "key", 1, 0, 'k' }, |
| 141 | { "opc", 1, 0, 'o' }, |
Harald Welte | a72e47b | 2012-03-21 09:03:16 +0100 | [diff] [blame] | 142 | { "op", 1, 0, 'O' }, |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 143 | { "amf", 1, 0, 'f' }, |
| 144 | { "sqn", 1, 0, 's' }, |
Neels Hofmeyr | 3cb0827 | 2017-08-26 21:45:33 +0200 | [diff] [blame] | 145 | { "ind", 1, 0, 'i' }, |
Neels Hofmeyr | b1af6ef | 2017-08-26 21:38:51 +0200 | [diff] [blame] | 146 | { "ind-len", 1, 0, 'l' }, |
Harald Welte | d8e5309 | 2023-05-30 15:01:38 +0200 | [diff] [blame] | 147 | { "res-len", 1, 0, 'L' }, |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 148 | { "rand", 1, 0, 'r' }, |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 149 | { "auts", 1, 0, 'A' }, |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 150 | { "help", 0, 0, 'h' }, |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 151 | { 0, 0, 0, 0 } |
| 152 | }; |
| 153 | |
| 154 | rc = 0; |
| 155 | |
Harald Welte | d8e5309 | 2023-05-30 15:01:38 +0200 | [diff] [blame] | 156 | c = getopt_long(argc, argv, "23a:k:o:f:s:i:l:L:r:hO:A:I", long_options, |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 157 | &option_index); |
| 158 | |
| 159 | if (c == -1) |
| 160 | break; |
| 161 | |
| 162 | switch (c) { |
| 163 | case '2': |
| 164 | test_aud.type = OSMO_AUTH_TYPE_GSM; |
| 165 | break; |
| 166 | case '3': |
| 167 | test_aud.type = OSMO_AUTH_TYPE_UMTS; |
Neels Hofmeyr | 4315e01 | 2017-08-26 21:40:11 +0200 | [diff] [blame] | 168 | test_aud.u.umts.ind_bitlen = 5; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 169 | break; |
| 170 | case 'a': |
| 171 | rc = osmo_auth_alg_parse(optarg); |
| 172 | if (rc < 0) |
| 173 | break; |
| 174 | test_aud.algo = rc; |
| 175 | break; |
| 176 | case 'k': |
| 177 | switch (test_aud.type) { |
| 178 | case OSMO_AUTH_TYPE_GSM: |
Harald Welte | aae2362 | 2011-12-07 11:35:02 +0100 | [diff] [blame] | 179 | rc = osmo_hexparse(optarg, test_aud.u.gsm.ki, |
| 180 | sizeof(test_aud.u.gsm.ki)); |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 181 | if (rc != sizeof(test_aud.u.gsm.ki)) { |
| 182 | fprintf(stderr, "Invalid Ki length %d\n", rc); |
| 183 | exit(2); |
| 184 | } |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 185 | break; |
| 186 | case OSMO_AUTH_TYPE_UMTS: |
Harald Welte | aae2362 | 2011-12-07 11:35:02 +0100 | [diff] [blame] | 187 | rc = osmo_hexparse(optarg, test_aud.u.umts.k, |
| 188 | sizeof(test_aud.u.umts.k)); |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 189 | /* 3GPP TS 33.102 6.3.7: "The authentication key (K) shall have a length of |
| 190 | * 128 bits or 256 bits." */ |
| 191 | if (rc != 16 && rc != 32) { |
| 192 | fprintf(stderr, "Invalid K length %d\n", rc); |
| 193 | exit(2); |
| 194 | } |
| 195 | test_aud.u.umts.k_len = rc; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 196 | break; |
| 197 | default: |
| 198 | fprintf(stderr, "please specify 2g/3g first!\n"); |
| 199 | } |
| 200 | break; |
| 201 | case 'o': |
| 202 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 203 | fprintf(stderr, "Only UMTS has OPC\n"); |
| 204 | exit(2); |
| 205 | } |
Harald Welte | aae2362 | 2011-12-07 11:35:02 +0100 | [diff] [blame] | 206 | rc = osmo_hexparse(optarg, test_aud.u.umts.opc, |
| 207 | sizeof(test_aud.u.umts.opc)); |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 208 | if (rc != 16 && rc != 32) { |
| 209 | fprintf(stderr, "Invalid OPC length %d\n", rc); |
| 210 | exit(2); |
| 211 | } |
| 212 | test_aud.u.umts.opc_len = rc; |
Harald Welte | a72e47b | 2012-03-21 09:03:16 +0100 | [diff] [blame] | 213 | test_aud.u.umts.opc_is_op = 0; |
| 214 | break; |
| 215 | case 'O': |
| 216 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 217 | fprintf(stderr, "Only UMTS has OP\n"); |
| 218 | exit(2); |
| 219 | } |
| 220 | rc = osmo_hexparse(optarg, test_aud.u.umts.opc, |
| 221 | sizeof(test_aud.u.umts.opc)); |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 222 | if (rc != 16 && rc != 32) { |
| 223 | fprintf(stderr, "Invalid OP length %d\n", rc); |
| 224 | exit(2); |
| 225 | } |
| 226 | test_aud.u.umts.opc_len = rc; |
Harald Welte | a72e47b | 2012-03-21 09:03:16 +0100 | [diff] [blame] | 227 | test_aud.u.umts.opc_is_op = 1; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 228 | break; |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 229 | case 'A': |
| 230 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 231 | fprintf(stderr, "Only UMTS has AUTS\n"); |
| 232 | exit(2); |
| 233 | } |
| 234 | rc = osmo_hexparse(optarg, _auts, sizeof(_auts)); |
| 235 | auts_is_set = 1; |
| 236 | break; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 237 | case 'f': |
| 238 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 239 | fprintf(stderr, "Only UMTS has AMF\n"); |
| 240 | exit(2); |
| 241 | } |
Harald Welte | aae2362 | 2011-12-07 11:35:02 +0100 | [diff] [blame] | 242 | rc = osmo_hexparse(optarg, test_aud.u.umts.amf, |
| 243 | sizeof(test_aud.u.umts.amf)); |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 244 | if (rc != 2) { |
| 245 | fprintf(stderr, "Invalid AMF length %d\n", rc); |
| 246 | exit(2); |
| 247 | } |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 248 | break; |
| 249 | case 's': |
| 250 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 251 | fprintf(stderr, "Only UMTS has SQN\n"); |
| 252 | exit(2); |
| 253 | } |
Harald Welte | b48f438 | 2021-09-17 07:56:09 +0200 | [diff] [blame] | 254 | sqn = strtoull(optarg, 0, 0); |
Neels Hofmeyr | d157bbb | 2017-08-26 22:08:36 +0200 | [diff] [blame] | 255 | sqn_is_set = 1; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 256 | break; |
Neels Hofmeyr | 3cb0827 | 2017-08-26 21:45:33 +0200 | [diff] [blame] | 257 | case 'i': |
| 258 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 259 | fprintf(stderr, "Only UMTS has IND\n"); |
| 260 | exit(2); |
| 261 | } |
| 262 | ind = atoi(optarg); |
| 263 | ind_is_set = 1; |
| 264 | break; |
Neels Hofmeyr | b1af6ef | 2017-08-26 21:38:51 +0200 | [diff] [blame] | 265 | case 'l': |
| 266 | if (test_aud.type != OSMO_AUTH_TYPE_UMTS) { |
| 267 | fprintf(stderr, "Only UMTS has IND bitlen\n"); |
| 268 | exit(2); |
| 269 | } |
| 270 | test_aud.u.umts.ind_bitlen = atoi(optarg); |
| 271 | break; |
Harald Welte | d8e5309 | 2023-05-30 15:01:38 +0200 | [diff] [blame] | 272 | case 'L': |
| 273 | rc = atoi(optarg); |
| 274 | if (rc != 4 && rc != 8 && rc != 16) { |
| 275 | fprintf(stderr, "Invalid RES length %u\n", rc); |
| 276 | exit(2); |
| 277 | } |
| 278 | vec->res_len = rc; |
| 279 | break; |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 280 | case 'r': |
| 281 | rc = osmo_hexparse(optarg, _rand, sizeof(_rand)); |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 282 | if (rc != sizeof(_rand)) { |
| 283 | fprintf(stderr, "Invalid RAND length %d\n", rc); |
| 284 | exit(2); |
| 285 | } |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 286 | rand_is_set = 1; |
| 287 | break; |
Harald Welte | 57799ed | 2012-06-27 15:06:19 +0200 | [diff] [blame] | 288 | case 'I': |
| 289 | fmt_triplets_dat = 1; |
| 290 | break; |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 291 | case 'h': |
| 292 | help(); |
| 293 | exit(0); |
| 294 | default: |
| 295 | help(); |
| 296 | exit(1); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 297 | } |
| 298 | |
| 299 | if (rc < 0) { |
Neels Hofmeyr | 18d65be | 2017-02-03 18:36:32 +0100 | [diff] [blame] | 300 | help(); |
| 301 | fprintf(stderr, "\nError parsing argument of option `%c'\n", c); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 302 | exit(2); |
| 303 | } |
| 304 | } |
| 305 | |
Harald Welte | 278a6c8 | 2019-12-03 21:35:12 +0100 | [diff] [blame] | 306 | if (argc > optind) { |
| 307 | fprintf(stderr, "Unsupported positional arguments in command line\n"); |
| 308 | exit(2); |
| 309 | } |
| 310 | |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 311 | if (!rand_is_set) { |
Max | 4b2b0cc | 2017-07-10 14:32:48 +0200 | [diff] [blame] | 312 | rc = osmo_get_rand_id(_rand, 16); |
| 313 | if (rc < 0) { |
| 314 | fprintf(stderr, "\nError: unable to obtain secure random numbers: %s!\n", |
| 315 | strerror(-rc)); |
| 316 | exit(3); |
Holger Hans Peter Freyther | 17aa6b2 | 2014-06-22 16:53:55 +0200 | [diff] [blame] | 317 | } |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 318 | } |
| 319 | |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 320 | if (test_aud.type == OSMO_AUTH_TYPE_NONE || |
| 321 | test_aud.algo == OSMO_AUTH_ALG_NONE) { |
| 322 | help(); |
Neels Hofmeyr | 18d65be | 2017-02-03 18:36:32 +0100 | [diff] [blame] | 323 | fprintf(stderr, "\nError: you need to pass at least" |
| 324 | " -2 or -3, as well as an algorithm to use.\n"); |
Harald Welte | 5fb795e | 2012-03-21 08:51:48 +0100 | [diff] [blame] | 325 | exit(2); |
| 326 | } |
| 327 | |
Neels Hofmeyr | d157bbb | 2017-08-26 22:08:36 +0200 | [diff] [blame] | 328 | if (test_aud.type == OSMO_AUTH_TYPE_UMTS) { |
Neels Hofmeyr | b2e41cc | 2017-09-12 03:25:43 +0200 | [diff] [blame] | 329 | uint64_t seq_1 = 1LL << test_aud.u.umts.ind_bitlen; |
Neels Hofmeyr | e6e6446 | 2017-08-26 22:29:51 +0200 | [diff] [blame] | 330 | ind_mask = seq_1 - 1; |
Neels Hofmeyr | d157bbb | 2017-08-26 22:08:36 +0200 | [diff] [blame] | 331 | |
| 332 | if (sqn_is_set) { |
| 333 | /* Before calculating the UMTS auth vector, osmo_auth_gen_vec() increments SEQ. |
| 334 | * To end up with the SQN passed in by the user, we need to pass in SEQ-1, and |
| 335 | * indicate which IND slot to target. */ |
| 336 | test_aud.u.umts.sqn = sqn - seq_1; |
| 337 | test_aud.u.umts.ind = sqn & ind_mask; |
| 338 | } |
Neels Hofmeyr | 3cb0827 | 2017-08-26 21:45:33 +0200 | [diff] [blame] | 339 | |
| 340 | if (sqn_is_set && ind_is_set) { |
| 341 | fprintf(stderr, "Requesting --sqn %"PRIu64" implies IND=%u," |
| 342 | " so no further --ind argument is allowed.\n", |
| 343 | sqn, test_aud.u.umts.ind); |
| 344 | exit(2); |
| 345 | } |
| 346 | |
| 347 | if (ind_is_set) { |
| 348 | if (ind >= (1 << test_aud.u.umts.ind_bitlen)) { |
| 349 | fprintf(stderr, "Requested --ind %u is too large for IND bitlen of %u\n", |
| 350 | ind, test_aud.u.umts.ind_bitlen); |
| 351 | exit(2); |
| 352 | } |
| 353 | test_aud.u.umts.ind = ind; |
| 354 | } |
Neels Hofmeyr | d157bbb | 2017-08-26 22:08:36 +0200 | [diff] [blame] | 355 | } |
| 356 | |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 357 | if (!auts_is_set) |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 358 | rc = osmo_auth_gen_vec2(vec, &test_aud, _rand); |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 359 | else |
Harald Welte | 0ea9b91 | 2023-05-30 12:05:56 +0200 | [diff] [blame] | 360 | rc = osmo_auth_gen_vec_auts2(vec, &test_aud, _auts, _rand, _rand); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 361 | if (rc < 0) { |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 362 | if (!auts_is_set) |
| 363 | fprintf(stderr, "error generating auth vector\n"); |
| 364 | else |
| 365 | fprintf(stderr, "AUTS from MS seems incorrect\n"); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 366 | exit(1); |
| 367 | } |
| 368 | |
Harald Welte | 57799ed | 2012-06-27 15:06:19 +0200 | [diff] [blame] | 369 | if (fmt_triplets_dat) |
| 370 | dump_triplets_dat(vec); |
Neels Hofmeyr | 5fe3d1b | 2017-03-15 01:16:43 +0100 | [diff] [blame] | 371 | else { |
Harald Welte | 57799ed | 2012-06-27 15:06:19 +0200 | [diff] [blame] | 372 | dump_auth_vec(vec); |
Neels Hofmeyr | e6e6446 | 2017-08-26 22:29:51 +0200 | [diff] [blame] | 373 | if (test_aud.type == OSMO_AUTH_TYPE_UMTS) { |
Neels Hofmeyr | 82c9a0e | 2017-03-13 17:36:17 +0100 | [diff] [blame] | 374 | printf("SQN:\t%" PRIu64 "\n", test_aud.u.umts.sqn); |
Neels Hofmeyr | e6e6446 | 2017-08-26 22:29:51 +0200 | [diff] [blame] | 375 | printf("IND:\t%u\n", (unsigned int)(test_aud.u.umts.sqn & ind_mask)); |
Neels Hofmeyr | 2066a42 | 2017-08-26 22:43:50 +0200 | [diff] [blame] | 376 | if (auts_is_set) |
| 377 | printf("SQN.MS:\t%" PRIu64 "\n", test_aud.u.umts.sqn_ms); |
Neels Hofmeyr | e6e6446 | 2017-08-26 22:29:51 +0200 | [diff] [blame] | 378 | } |
Neels Hofmeyr | 5fe3d1b | 2017-03-15 01:16:43 +0100 | [diff] [blame] | 379 | } |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 380 | |
Harald Welte | cebf3f0 | 2012-03-22 16:45:23 +0100 | [diff] [blame] | 381 | exit(0); |
Harald Welte | 915e0ef | 2011-12-07 02:38:42 +0100 | [diff] [blame] | 382 | } |