Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 1 | /* BEGIN_HEADER */ |
Manuel Pégourié-Gonnard | 7f80997 | 2015-03-09 17:05:11 +0000 | [diff] [blame] | 2 | #include <mbedtls/ssl.h> |
Manuel Pégourié-Gonnard | 5e94dde | 2015-05-26 11:57:05 +0200 | [diff] [blame] | 3 | #include <mbedtls/ssl_internal.h> |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 4 | #include <mbedtls/md.h> |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 5 | |
| 6 | /* |
| 7 | * Helper function setting up inverse record transformations |
| 8 | * using given cipher, hash, EtM mode, authentication tag length, |
| 9 | * and version. |
| 10 | */ |
| 11 | |
| 12 | #define CHK( x ) \ |
| 13 | do \ |
| 14 | { \ |
| 15 | if( !( x ) ) \ |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 16 | { \ |
Hanno Becker | 1acadb7 | 2019-04-05 09:55:37 +0100 | [diff] [blame] | 17 | ret = -1; \ |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 18 | goto cleanup; \ |
| 19 | } \ |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 20 | } while( 0 ) |
| 21 | |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 22 | #if MBEDTLS_SSL_CID_OUT_LEN_MAX > MBEDTLS_SSL_CID_IN_LEN_MAX |
| 23 | #define SSL_CID_LEN_MIN MBEDTLS_SSL_CID_IN_LEN_MAX |
| 24 | #else |
| 25 | #define SSL_CID_LEN_MIN MBEDTLS_SSL_CID_OUT_LEN_MAX |
| 26 | #endif |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 27 | |
| 28 | static int build_transforms( mbedtls_ssl_transform *t_in, |
| 29 | mbedtls_ssl_transform *t_out, |
| 30 | int cipher_type, int hash_id, |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 31 | int etm, int tag_mode, int ver, |
| 32 | size_t cid0_len, |
| 33 | size_t cid1_len ) |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 34 | { |
| 35 | mbedtls_cipher_info_t const *cipher_info; |
Hanno Becker | 1acadb7 | 2019-04-05 09:55:37 +0100 | [diff] [blame] | 36 | int ret = 0; |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 37 | |
| 38 | size_t keylen, maclen, ivlen; |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 39 | unsigned char *key0 = NULL, *key1 = NULL; |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 40 | unsigned char iv_enc[16], iv_dec[16]; |
| 41 | |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 42 | #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 43 | unsigned char cid0[ SSL_CID_LEN_MIN ]; |
| 44 | unsigned char cid1[ SSL_CID_LEN_MIN ]; |
| 45 | |
| 46 | rnd_std_rand( NULL, cid0, sizeof( cid0 ) ); |
| 47 | rnd_std_rand( NULL, cid1, sizeof( cid1 ) ); |
Hanno Becker | 505089d | 2019-05-01 09:45:57 +0100 | [diff] [blame] | 48 | #else |
| 49 | ((void) cid0_len); |
| 50 | ((void) cid1_len); |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 51 | #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 52 | |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 53 | maclen = 0; |
| 54 | |
| 55 | /* Pick cipher */ |
| 56 | cipher_info = mbedtls_cipher_info_from_type( cipher_type ); |
| 57 | CHK( cipher_info != NULL ); |
| 58 | CHK( cipher_info->iv_size <= 16 ); |
| 59 | CHK( cipher_info->key_bitlen % 8 == 0 ); |
| 60 | |
| 61 | /* Pick keys */ |
| 62 | keylen = cipher_info->key_bitlen / 8; |
Hanno Becker | a131766 | 2019-04-05 09:56:10 +0100 | [diff] [blame] | 63 | /* Allocate `keylen + 1` bytes to ensure that we get |
| 64 | * a non-NULL pointers from `mbedtls_calloc` even if |
| 65 | * `keylen == 0` in the case of the NULL cipher. */ |
| 66 | CHK( ( key0 = mbedtls_calloc( 1, keylen + 1 ) ) != NULL ); |
| 67 | CHK( ( key1 = mbedtls_calloc( 1, keylen + 1 ) ) != NULL ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 68 | memset( key0, 0x1, keylen ); |
| 69 | memset( key1, 0x2, keylen ); |
| 70 | |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 71 | #if defined(MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS) |
| 72 | t_in->key_enc = mbedtls_calloc( 1, keylen ); |
| 73 | t_in->key_dec = mbedtls_calloc( 1, keylen ); |
| 74 | |
| 75 | t_out->key_enc = mbedtls_calloc( 1, keylen ); |
| 76 | t_out->key_dec = mbedtls_calloc( 1, keylen ); |
| 77 | |
| 78 | memcpy( t_in->key_enc, key0, keylen); |
| 79 | memcpy( t_in->key_dec, key1, keylen); |
| 80 | t_in->key_bitlen = cipher_info->key_bitlen; |
| 81 | |
| 82 | memcpy( t_out->key_enc, key1, keylen); |
| 83 | memcpy( t_out->key_dec, key0, keylen); |
| 84 | t_out->key_bitlen = cipher_info->key_bitlen; |
| 85 | |
Andrzej Kurek | a793237 | 2020-09-19 07:56:06 +0200 | [diff] [blame^] | 86 | #if defined(MBEDTLS_VALIDATE_SSL_KEYS_INTEGRITY) |
| 87 | t_in->key_enc_hash = mbedtls_hash( t_in->key_enc, t_in->key_bitlen >> 3 ); |
| 88 | t_in->key_dec_hash = mbedtls_hash( t_in->key_dec, t_in->key_bitlen >> 3 ); |
| 89 | |
| 90 | t_out->key_enc_hash = mbedtls_hash( t_out->key_enc, t_out->key_bitlen >> 3 ); |
| 91 | t_out->key_dec_hash = mbedtls_hash( t_out->key_dec, t_out->key_bitlen >> 3 ); |
| 92 | #endif |
| 93 | |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 94 | /* Setup cipher contexts */ |
| 95 | CHK( mbedtls_cipher_setup( &t_in->cipher_ctx, cipher_info ) == 0 ); |
| 96 | CHK( mbedtls_cipher_setup( &t_out->cipher_ctx, cipher_info ) == 0 ); |
| 97 | #else |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 98 | /* Setup cipher contexts */ |
| 99 | CHK( mbedtls_cipher_setup( &t_in->cipher_ctx_enc, cipher_info ) == 0 ); |
| 100 | CHK( mbedtls_cipher_setup( &t_in->cipher_ctx_dec, cipher_info ) == 0 ); |
| 101 | CHK( mbedtls_cipher_setup( &t_out->cipher_ctx_enc, cipher_info ) == 0 ); |
| 102 | CHK( mbedtls_cipher_setup( &t_out->cipher_ctx_dec, cipher_info ) == 0 ); |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 103 | #endif |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 104 | |
| 105 | #if defined(MBEDTLS_CIPHER_MODE_CBC) |
| 106 | if( cipher_info->mode == MBEDTLS_MODE_CBC ) |
| 107 | { |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 108 | #if defined(MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS) |
| 109 | CHK( mbedtls_cipher_set_padding_mode( &t_in->cipher_ctx, |
| 110 | MBEDTLS_PADDING_NONE ) == 0 ); |
| 111 | CHK( mbedtls_cipher_set_padding_mode( &t_out->cipher_ctx, |
| 112 | MBEDTLS_PADDING_NONE ) == 0 ); |
| 113 | #else |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 114 | CHK( mbedtls_cipher_set_padding_mode( &t_in->cipher_ctx_enc, |
| 115 | MBEDTLS_PADDING_NONE ) == 0 ); |
| 116 | CHK( mbedtls_cipher_set_padding_mode( &t_in->cipher_ctx_dec, |
| 117 | MBEDTLS_PADDING_NONE ) == 0 ); |
| 118 | CHK( mbedtls_cipher_set_padding_mode( &t_out->cipher_ctx_enc, |
| 119 | MBEDTLS_PADDING_NONE ) == 0 ); |
| 120 | CHK( mbedtls_cipher_set_padding_mode( &t_out->cipher_ctx_dec, |
| 121 | MBEDTLS_PADDING_NONE ) == 0 ); |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 122 | #endif |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 123 | } |
| 124 | #endif /* MBEDTLS_CIPHER_MODE_CBC */ |
| 125 | |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 126 | #if !defined(MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS) |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 127 | CHK( mbedtls_cipher_setkey( &t_in->cipher_ctx_enc, key0, |
| 128 | keylen << 3, MBEDTLS_ENCRYPT ) == 0 ); |
| 129 | CHK( mbedtls_cipher_setkey( &t_in->cipher_ctx_dec, key1, |
| 130 | keylen << 3, MBEDTLS_DECRYPT ) == 0 ); |
| 131 | CHK( mbedtls_cipher_setkey( &t_out->cipher_ctx_enc, key1, |
| 132 | keylen << 3, MBEDTLS_ENCRYPT ) == 0 ); |
| 133 | CHK( mbedtls_cipher_setkey( &t_out->cipher_ctx_dec, key0, |
| 134 | keylen << 3, MBEDTLS_DECRYPT ) == 0 ); |
Andrzej Kurek | 1175044 | 2020-09-17 07:12:06 -0400 | [diff] [blame] | 135 | #endif |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 136 | /* Setup MAC contexts */ |
| 137 | #if defined(MBEDTLS_SSL_SOME_MODES_USE_MAC) |
| 138 | if( cipher_info->mode == MBEDTLS_MODE_CBC || |
| 139 | cipher_info->mode == MBEDTLS_MODE_STREAM ) |
| 140 | { |
Hanno Becker | a5cedbc | 2019-07-17 11:21:02 +0100 | [diff] [blame] | 141 | mbedtls_md_handle_t md_info; |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 142 | unsigned char *md0, *md1; |
| 143 | |
| 144 | /* Pick hash */ |
| 145 | md_info = mbedtls_md_info_from_type( hash_id ); |
Hanno Becker | a5cedbc | 2019-07-17 11:21:02 +0100 | [diff] [blame] | 146 | CHK( md_info != MBEDTLS_MD_INVALID_HANDLE ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 147 | |
| 148 | /* Pick hash keys */ |
| 149 | maclen = mbedtls_md_get_size( md_info ); |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 150 | CHK( ( md0 = mbedtls_calloc( 1, maclen ) ) != NULL ); |
| 151 | CHK( ( md1 = mbedtls_calloc( 1, maclen ) ) != NULL ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 152 | memset( md0, 0x5, maclen ); |
| 153 | memset( md1, 0x6, maclen ); |
| 154 | |
| 155 | CHK( mbedtls_md_setup( &t_out->md_ctx_enc, md_info, 1 ) == 0 ); |
| 156 | CHK( mbedtls_md_setup( &t_out->md_ctx_dec, md_info, 1 ) == 0 ); |
| 157 | CHK( mbedtls_md_setup( &t_in->md_ctx_enc, md_info, 1 ) == 0 ); |
| 158 | CHK( mbedtls_md_setup( &t_in->md_ctx_dec, md_info, 1 ) == 0 ); |
| 159 | |
Hanno Becker | 7bcf2b5 | 2019-07-26 09:02:40 +0100 | [diff] [blame] | 160 | if( mbedtls_ssl_ver_gt( ver, MBEDTLS_SSL_MINOR_VERSION_0 ) ) |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 161 | { |
| 162 | CHK( mbedtls_md_hmac_starts( &t_in->md_ctx_enc, |
| 163 | md0, maclen ) == 0 ); |
| 164 | CHK( mbedtls_md_hmac_starts( &t_in->md_ctx_dec, |
| 165 | md1, maclen ) == 0 ); |
| 166 | CHK( mbedtls_md_hmac_starts( &t_out->md_ctx_enc, |
| 167 | md1, maclen ) == 0 ); |
| 168 | CHK( mbedtls_md_hmac_starts( &t_out->md_ctx_dec, |
| 169 | md0, maclen ) == 0 ); |
| 170 | } |
| 171 | #if defined(MBEDTLS_SSL_PROTO_SSL3) |
| 172 | else |
| 173 | { |
| 174 | memcpy( &t_in->mac_enc, md0, maclen ); |
| 175 | memcpy( &t_in->mac_dec, md1, maclen ); |
| 176 | memcpy( &t_out->mac_enc, md1, maclen ); |
| 177 | memcpy( &t_out->mac_dec, md0, maclen ); |
| 178 | } |
| 179 | #endif |
| 180 | |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 181 | mbedtls_free( md0 ); |
| 182 | mbedtls_free( md1 ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 183 | } |
| 184 | #else |
| 185 | ((void) hash_id); |
| 186 | #endif /* MBEDTLS_SSL_SOME_MODES_USE_MAC */ |
| 187 | |
| 188 | |
| 189 | /* Pick IV's (regardless of whether they |
| 190 | * are being used by the transform). */ |
| 191 | ivlen = cipher_info->iv_size; |
| 192 | memset( iv_enc, 0x3, sizeof( iv_enc ) ); |
| 193 | memset( iv_dec, 0x4, sizeof( iv_dec ) ); |
| 194 | |
| 195 | /* |
| 196 | * Setup transforms |
| 197 | */ |
| 198 | |
Jaeden Amero | 2eaf2c7 | 2019-06-05 13:32:08 +0100 | [diff] [blame] | 199 | #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) && \ |
| 200 | defined(MBEDTLS_SSL_SOME_MODES_USE_MAC) |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 201 | t_out->encrypt_then_mac = etm; |
| 202 | t_in->encrypt_then_mac = etm; |
| 203 | #else |
| 204 | ((void) etm); |
| 205 | #endif |
| 206 | |
Hanno Becker | ac8c984 | 2019-07-05 13:53:06 +0100 | [diff] [blame] | 207 | #if !defined(MBEDTLS_SSL_CONF_FIXED_MINOR_VER) |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 208 | t_out->minor_ver = ver; |
| 209 | t_in->minor_ver = ver; |
Hanno Becker | 90f7b75 | 2019-07-08 11:29:13 +0100 | [diff] [blame] | 210 | #else |
| 211 | ((void) ver); |
Hanno Becker | ac8c984 | 2019-07-05 13:53:06 +0100 | [diff] [blame] | 212 | #endif |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 213 | t_out->ivlen = ivlen; |
| 214 | t_in->ivlen = ivlen; |
| 215 | |
| 216 | switch( cipher_info->mode ) |
| 217 | { |
| 218 | case MBEDTLS_MODE_GCM: |
| 219 | case MBEDTLS_MODE_CCM: |
| 220 | t_out->fixed_ivlen = 4; |
| 221 | t_in->fixed_ivlen = 4; |
| 222 | t_out->maclen = 0; |
| 223 | t_in->maclen = 0; |
| 224 | switch( tag_mode ) |
| 225 | { |
| 226 | case 0: /* Full tag */ |
| 227 | t_out->taglen = 16; |
| 228 | t_in->taglen = 16; |
| 229 | break; |
| 230 | case 1: /* Partial tag */ |
| 231 | t_out->taglen = 8; |
| 232 | t_in->taglen = 8; |
| 233 | break; |
| 234 | default: |
| 235 | return( 1 ); |
| 236 | } |
| 237 | break; |
| 238 | |
| 239 | case MBEDTLS_MODE_CHACHAPOLY: |
| 240 | t_out->fixed_ivlen = 12; |
| 241 | t_in->fixed_ivlen = 12; |
| 242 | t_out->maclen = 0; |
| 243 | t_in->maclen = 0; |
| 244 | switch( tag_mode ) |
| 245 | { |
| 246 | case 0: /* Full tag */ |
| 247 | t_out->taglen = 16; |
| 248 | t_in->taglen = 16; |
| 249 | break; |
| 250 | case 1: /* Partial tag */ |
| 251 | t_out->taglen = 8; |
| 252 | t_in->taglen = 8; |
| 253 | break; |
| 254 | default: |
| 255 | return( 1 ); |
| 256 | } |
| 257 | break; |
| 258 | |
| 259 | case MBEDTLS_MODE_STREAM: |
| 260 | case MBEDTLS_MODE_CBC: |
| 261 | t_out->fixed_ivlen = 0; /* redundant, must be 0 */ |
| 262 | t_in->fixed_ivlen = 0; /* redundant, must be 0 */ |
| 263 | t_out->taglen = 0; |
| 264 | t_in->taglen = 0; |
| 265 | switch( tag_mode ) |
| 266 | { |
| 267 | case 0: /* Full tag */ |
| 268 | t_out->maclen = maclen; |
| 269 | t_in->maclen = maclen; |
| 270 | break; |
| 271 | case 1: /* Partial tag */ |
| 272 | t_out->maclen = 10; |
| 273 | t_in->maclen = 10; |
| 274 | break; |
| 275 | default: |
| 276 | return( 1 ); |
| 277 | } |
| 278 | break; |
| 279 | default: |
| 280 | return( 1 ); |
| 281 | break; |
| 282 | } |
| 283 | |
| 284 | /* Setup IV's */ |
| 285 | |
| 286 | memcpy( &t_in->iv_dec, iv_dec, sizeof( iv_dec ) ); |
| 287 | memcpy( &t_in->iv_enc, iv_enc, sizeof( iv_enc ) ); |
| 288 | memcpy( &t_out->iv_dec, iv_enc, sizeof( iv_enc ) ); |
| 289 | memcpy( &t_out->iv_enc, iv_dec, sizeof( iv_dec ) ); |
| 290 | |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 291 | #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 292 | /* Add CID */ |
| 293 | memcpy( &t_in->in_cid, cid0, cid0_len ); |
| 294 | memcpy( &t_in->out_cid, cid1, cid1_len ); |
| 295 | t_in->in_cid_len = cid0_len; |
| 296 | t_in->out_cid_len = cid1_len; |
| 297 | memcpy( &t_out->in_cid, cid1, cid1_len ); |
| 298 | memcpy( &t_out->out_cid, cid0, cid0_len ); |
| 299 | t_out->in_cid_len = cid1_len; |
| 300 | t_out->out_cid_len = cid0_len; |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 301 | #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 302 | |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 303 | cleanup: |
| 304 | |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 305 | mbedtls_free( key0 ); |
| 306 | mbedtls_free( key1 ); |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 307 | |
Hanno Becker | 1acadb7 | 2019-04-05 09:55:37 +0100 | [diff] [blame] | 308 | return( ret ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 309 | } |
| 310 | |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 311 | /* |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 312 | * Populate a session structure for serialization tests. |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 313 | * Choose dummy values, mostly non-0 to distinguish from the init default. |
| 314 | */ |
| 315 | static int ssl_populate_session( mbedtls_ssl_session *session, |
Manuel Pégourié-Gonnard | d1a5451 | 2019-05-24 09:54:21 +0200 | [diff] [blame] | 316 | int ticket_len, |
| 317 | const char *crt_file ) |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 318 | { |
| 319 | #if defined(MBEDTLS_HAVE_TIME) |
| 320 | session->start = mbedtls_time( NULL ) - 42; |
| 321 | #endif |
Hanno Becker | e02758c | 2019-06-26 15:31:31 +0100 | [diff] [blame] | 322 | #if !defined(MBEDTLS_SSL_CONF_SINGLE_CIPHERSUITE) |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 323 | session->ciphersuite = 0xabcd; |
Hanno Becker | e02758c | 2019-06-26 15:31:31 +0100 | [diff] [blame] | 324 | #endif |
Hanno Becker | 8844055 | 2019-07-03 14:16:13 +0100 | [diff] [blame] | 325 | #if defined(MBEDTLS_ZLIB_SUPPORT) |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 326 | session->compression = 1; |
Hanno Becker | 8844055 | 2019-07-03 14:16:13 +0100 | [diff] [blame] | 327 | #endif |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 328 | session->id_len = sizeof( session->id ); |
| 329 | memset( session->id, 66, session->id_len ); |
Manuel Pégourié-Gonnard | d1a5451 | 2019-05-24 09:54:21 +0200 | [diff] [blame] | 330 | memset( session->master, 17, sizeof( session->master ) ); |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 331 | |
Manuel Pégourié-Gonnard | 749312f | 2019-05-24 10:17:52 +0200 | [diff] [blame] | 332 | #if defined(MBEDTLS_X509_CRT_PARSE_C) && defined(MBEDTLS_FS_IO) |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 333 | if( strlen( crt_file ) != 0 ) |
| 334 | { |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 335 | mbedtls_x509_crt tmp_crt; |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 336 | int ret; |
Manuel Pégourié-Gonnard | aab6204 | 2019-05-24 09:40:17 +0200 | [diff] [blame] | 337 | |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 338 | mbedtls_x509_crt_init( &tmp_crt ); |
| 339 | ret = mbedtls_x509_crt_parse_file( &tmp_crt, crt_file ); |
| 340 | if( ret != 0 ) |
| 341 | return( ret ); |
| 342 | |
Hanno Becker | 5882dd0 | 2019-06-06 16:25:57 +0100 | [diff] [blame] | 343 | #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE) |
| 344 | /* Move temporary CRT. */ |
| 345 | session->peer_cert = mbedtls_calloc( 1, sizeof( *session->peer_cert ) ); |
| 346 | if( session->peer_cert == NULL ) |
| 347 | return( -1 ); |
| 348 | *session->peer_cert = tmp_crt; |
| 349 | memset( &tmp_crt, 0, sizeof( tmp_crt ) ); |
| 350 | #elif defined(MBEDTLS_SSL_RENEGOTIATION) |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 351 | /* Calculate digest of temporary CRT. */ |
| 352 | session->peer_cert_digest = |
| 353 | mbedtls_calloc( 1, MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN ); |
| 354 | if( session->peer_cert_digest == NULL ) |
| 355 | return( -1 ); |
| 356 | ret = mbedtls_md( mbedtls_md_info_from_type( |
| 357 | MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE ), |
| 358 | tmp_crt.raw.p, tmp_crt.raw.len, |
| 359 | session->peer_cert_digest ); |
| 360 | if( ret != 0 ) |
| 361 | return( ret ); |
| 362 | session->peer_cert_digest_type = |
| 363 | MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_TYPE; |
| 364 | session->peer_cert_digest_len = |
| 365 | MBEDTLS_SSL_PEER_CERT_DIGEST_DFL_LEN; |
Hanno Becker | 5882dd0 | 2019-06-06 16:25:57 +0100 | [diff] [blame] | 366 | #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE && MBEDTLS_SSL_RENEGOTIATION */ |
Manuel Pégourié-Gonnard | aab6204 | 2019-05-24 09:40:17 +0200 | [diff] [blame] | 367 | |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 368 | mbedtls_x509_crt_free( &tmp_crt ); |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 369 | } |
| 370 | #else |
| 371 | (void) crt_file; |
| 372 | #endif |
| 373 | session->verify_result = 0xdeadbeef; |
| 374 | |
| 375 | #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C) |
| 376 | if( ticket_len != 0 ) |
| 377 | { |
| 378 | session->ticket = mbedtls_calloc( 1, ticket_len ); |
Manuel Pégourié-Gonnard | d1a5451 | 2019-05-24 09:54:21 +0200 | [diff] [blame] | 379 | if( session->ticket == NULL ) |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 380 | return( -1 ); |
| 381 | memset( session->ticket, 33, ticket_len ); |
| 382 | } |
| 383 | session->ticket_len = ticket_len; |
| 384 | session->ticket_lifetime = 86401; |
| 385 | #else |
| 386 | (void) ticket_len; |
| 387 | #endif |
| 388 | |
| 389 | #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) |
| 390 | session->mfl_code = 1; |
| 391 | #endif |
| 392 | #if defined(MBEDTLS_SSL_TRUNCATED_HMAC) |
| 393 | session->trunc_hmac = 1; |
| 394 | #endif |
| 395 | #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) |
| 396 | session->encrypt_then_mac = 1; |
| 397 | #endif |
| 398 | |
| 399 | return( 0 ); |
| 400 | } |
| 401 | |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 402 | /* END_HEADER */ |
| 403 | |
| 404 | /* BEGIN_DEPENDENCIES |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 405 | * depends_on:MBEDTLS_SSL_TLS_C |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 406 | * END_DEPENDENCIES |
| 407 | */ |
| 408 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 409 | /* BEGIN_CASE depends_on:MBEDTLS_SSL_DTLS_ANTI_REPLAY */ |
Azim Khan | 5fcca46 | 2018-06-29 11:05:32 +0100 | [diff] [blame] | 410 | void ssl_dtls_replay( data_t * prevs, data_t * new, int ret ) |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 411 | { |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 412 | uint32_t len = 0; |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 413 | mbedtls_ssl_context ssl; |
Manuel Pégourié-Gonnard | def0bbe | 2015-05-04 14:56:36 +0200 | [diff] [blame] | 414 | mbedtls_ssl_config conf; |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 415 | |
Manuel Pégourié-Gonnard | 41d479e | 2015-04-29 00:48:22 +0200 | [diff] [blame] | 416 | mbedtls_ssl_init( &ssl ); |
Manuel Pégourié-Gonnard | def0bbe | 2015-05-04 14:56:36 +0200 | [diff] [blame] | 417 | mbedtls_ssl_config_init( &conf ); |
Manuel Pégourié-Gonnard | 41d479e | 2015-04-29 00:48:22 +0200 | [diff] [blame] | 418 | |
Manuel Pégourié-Gonnard | 419d5ae | 2015-05-04 19:32:36 +0200 | [diff] [blame] | 419 | TEST_ASSERT( mbedtls_ssl_config_defaults( &conf, |
| 420 | MBEDTLS_SSL_IS_CLIENT, |
Manuel Pégourié-Gonnard | b31c5f6 | 2015-06-17 13:53:47 +0200 | [diff] [blame] | 421 | MBEDTLS_SSL_TRANSPORT_DATAGRAM, |
| 422 | MBEDTLS_SSL_PRESET_DEFAULT ) == 0 ); |
Manuel Pégourié-Gonnard | def0bbe | 2015-05-04 14:56:36 +0200 | [diff] [blame] | 423 | TEST_ASSERT( mbedtls_ssl_setup( &ssl, &conf ) == 0 ); |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 424 | |
| 425 | /* Read previous record numbers */ |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 426 | for( len = 0; len < prevs->len; len += 6 ) |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 427 | { |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 428 | memcpy( ssl.in_ctr + 2, prevs->x + len, 6 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 429 | mbedtls_ssl_dtls_replay_update( &ssl ); |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 430 | } |
| 431 | |
| 432 | /* Check new number */ |
Azim Khan | d30ca13 | 2017-06-09 04:32:58 +0100 | [diff] [blame] | 433 | memcpy( ssl.in_ctr + 2, new->x, 6 ); |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 434 | TEST_ASSERT( mbedtls_ssl_dtls_replay_check( &ssl ) == ret ); |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 435 | |
Manuel Pégourié-Gonnard | 2cf5a7c | 2015-04-08 12:49:31 +0200 | [diff] [blame] | 436 | mbedtls_ssl_free( &ssl ); |
Manuel Pégourié-Gonnard | def0bbe | 2015-05-04 14:56:36 +0200 | [diff] [blame] | 437 | mbedtls_ssl_config_free( &conf ); |
Manuel Pégourié-Gonnard | 4956fd7 | 2014-09-24 11:13:44 +0200 | [diff] [blame] | 438 | } |
| 439 | /* END_CASE */ |
Hanno Becker | b25c0c7 | 2017-05-05 11:24:30 +0100 | [diff] [blame] | 440 | |
Teppo Järvelin | 4009d8f | 2019-08-19 14:48:09 +0300 | [diff] [blame] | 441 | /* BEGIN_CASE depends_on:MBEDTLS_X509_CRT_PARSE_C:!MBEDTLS_X509_REMOVE_HOSTNAME_VERIFICATION */ |
Hanno Becker | b25c0c7 | 2017-05-05 11:24:30 +0100 | [diff] [blame] | 442 | void ssl_set_hostname_twice( char *hostname0, char *hostname1 ) |
| 443 | { |
| 444 | mbedtls_ssl_context ssl; |
| 445 | mbedtls_ssl_init( &ssl ); |
| 446 | |
| 447 | TEST_ASSERT( mbedtls_ssl_set_hostname( &ssl, hostname0 ) == 0 ); |
| 448 | TEST_ASSERT( mbedtls_ssl_set_hostname( &ssl, hostname1 ) == 0 ); |
| 449 | |
| 450 | mbedtls_ssl_free( &ssl ); |
| 451 | } |
Darryl Green | 11999bb | 2018-03-13 15:22:58 +0000 | [diff] [blame] | 452 | /* END_CASE */ |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 453 | |
| 454 | /* BEGIN_CASE */ |
| 455 | void ssl_crypt_record( int cipher_type, int hash_id, |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 456 | int etm, int tag_mode, int ver, |
| 457 | int cid0_len, int cid1_len ) |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 458 | { |
| 459 | /* |
| 460 | * Test several record encryptions and decryptions |
| 461 | * with plenty of space before and after the data |
| 462 | * within the record buffer. |
| 463 | */ |
| 464 | |
| 465 | int ret; |
| 466 | int num_records = 16; |
| 467 | mbedtls_ssl_context ssl; /* ONLY for debugging */ |
| 468 | |
| 469 | mbedtls_ssl_transform t0, t1; |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 470 | unsigned char *buf = NULL; |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 471 | size_t const buflen = 512; |
| 472 | mbedtls_record rec, rec_backup; |
| 473 | |
| 474 | mbedtls_ssl_init( &ssl ); |
| 475 | mbedtls_ssl_transform_init( &t0 ); |
| 476 | mbedtls_ssl_transform_init( &t1 ); |
Hanno Becker | ac8c984 | 2019-07-05 13:53:06 +0100 | [diff] [blame] | 477 | |
| 478 | #if defined(MBEDTLS_SSL_CONF_FIXED_MINOR_VER) |
| 479 | TEST_ASSUME( ver == MBEDTLS_SSL_CONF_FIXED_MINOR_VER ); |
| 480 | #endif |
| 481 | |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 482 | TEST_ASSERT( build_transforms( &t0, &t1, cipher_type, hash_id, |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 483 | etm, tag_mode, ver, |
| 484 | (size_t) cid0_len, |
| 485 | (size_t) cid1_len ) == 0 ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 486 | |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 487 | TEST_ASSERT( ( buf = mbedtls_calloc( 1, buflen ) ) != NULL ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 488 | |
| 489 | while( num_records-- > 0 ) |
| 490 | { |
| 491 | mbedtls_ssl_transform *t_dec, *t_enc; |
| 492 | /* Take turns in who's sending and who's receiving. */ |
| 493 | if( num_records % 3 == 0 ) |
| 494 | { |
| 495 | t_dec = &t0; |
| 496 | t_enc = &t1; |
| 497 | } |
| 498 | else |
| 499 | { |
| 500 | t_dec = &t1; |
| 501 | t_enc = &t0; |
| 502 | } |
| 503 | |
| 504 | /* |
| 505 | * The record header affects the transformation in two ways: |
| 506 | * 1) It determines the AEAD additional data |
| 507 | * 2) The record counter sometimes determines the IV. |
| 508 | * |
| 509 | * Apart from that, the fields don't have influence. |
| 510 | * In particular, it is currently not the responsibility |
| 511 | * of ssl_encrypt/decrypt_buf to check if the transform |
| 512 | * version matches the record version, or that the |
| 513 | * type is sensible. |
| 514 | */ |
| 515 | |
| 516 | memset( rec.ctr, num_records, sizeof( rec.ctr ) ); |
| 517 | rec.type = 42; |
| 518 | rec.ver[0] = num_records; |
| 519 | rec.ver[1] = num_records; |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 520 | #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 521 | rec.cid_len = 0; |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 522 | #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 523 | |
| 524 | rec.buf = buf; |
| 525 | rec.buf_len = buflen; |
| 526 | rec.data_offset = 16; |
| 527 | /* Make sure to vary the length to exercise different |
| 528 | * paddings. */ |
| 529 | rec.data_len = 1 + num_records; |
| 530 | |
| 531 | memset( rec.buf + rec.data_offset, 42, rec.data_len ); |
| 532 | |
| 533 | /* Make a copy for later comparison */ |
| 534 | rec_backup = rec; |
| 535 | |
| 536 | /* Encrypt record */ |
| 537 | ret = mbedtls_ssl_encrypt_buf( &ssl, t_enc, &rec, |
| 538 | rnd_std_rand, NULL ); |
| 539 | TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 540 | if( ret != 0 ) |
| 541 | { |
| 542 | continue; |
| 543 | } |
| 544 | |
| 545 | /* Decrypt record with t_dec */ |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 546 | ret = mbedtls_ssl_decrypt_buf( &ssl, t_dec, &rec ); |
| 547 | TEST_ASSERT( ret == 0 ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 548 | |
| 549 | /* Compare results */ |
| 550 | TEST_ASSERT( rec.type == rec_backup.type ); |
| 551 | TEST_ASSERT( memcmp( rec.ctr, rec_backup.ctr, 8 ) == 0 ); |
| 552 | TEST_ASSERT( rec.ver[0] == rec_backup.ver[0] ); |
| 553 | TEST_ASSERT( rec.ver[1] == rec_backup.ver[1] ); |
| 554 | TEST_ASSERT( rec.data_len == rec_backup.data_len ); |
| 555 | TEST_ASSERT( rec.data_offset == rec_backup.data_offset ); |
| 556 | TEST_ASSERT( memcmp( rec.buf + rec.data_offset, |
| 557 | rec_backup.buf + rec_backup.data_offset, |
| 558 | rec.data_len ) == 0 ); |
| 559 | } |
| 560 | |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 561 | exit: |
| 562 | |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 563 | /* Cleanup */ |
| 564 | mbedtls_ssl_free( &ssl ); |
| 565 | mbedtls_ssl_transform_free( &t0 ); |
| 566 | mbedtls_ssl_transform_free( &t1 ); |
| 567 | |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 568 | mbedtls_free( buf ); |
Hanno Becker | 611a83b | 2018-01-03 14:27:32 +0000 | [diff] [blame] | 569 | } |
| 570 | /* END_CASE */ |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 571 | |
| 572 | /* BEGIN_CASE */ |
| 573 | void ssl_crypt_record_small( int cipher_type, int hash_id, |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 574 | int etm, int tag_mode, int ver, |
| 575 | int cid0_len, int cid1_len ) |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 576 | { |
| 577 | /* |
| 578 | * Test pairs of encryption and decryption with an increasing |
| 579 | * amount of space in the record buffer - in more detail: |
| 580 | * 1) Try to encrypt with 0, 1, 2, ... bytes available |
| 581 | * in front of the plaintext, and expect the encryption |
| 582 | * to succeed starting from some offset. Always keep |
| 583 | * enough space in the end of the buffer. |
| 584 | * 2) Try to encrypt with 0, 1, 2, ... bytes available |
| 585 | * at the end of the plaintext, and expect the encryption |
| 586 | * to succeed starting from some offset. Always keep |
| 587 | * enough space at the beginning of the buffer. |
| 588 | * 3) Try to encrypt with 0, 1, 2, ... bytes available |
| 589 | * both at the front and end of the plaintext, |
| 590 | * and expect the encryption to succeed starting from |
| 591 | * some offset. |
| 592 | * |
| 593 | * If encryption succeeds, check that decryption succeeds |
| 594 | * and yields the original record. |
| 595 | */ |
| 596 | |
| 597 | mbedtls_ssl_context ssl; /* ONLY for debugging */ |
| 598 | |
| 599 | mbedtls_ssl_transform t0, t1; |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 600 | unsigned char *buf = NULL; |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 601 | size_t const buflen = 256; |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 602 | mbedtls_record rec, rec_backup; |
| 603 | |
| 604 | int ret; |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 605 | int mode; /* Mode 1, 2 or 3 as explained above */ |
| 606 | size_t offset; /* Available space at beginning/end/both */ |
| 607 | size_t threshold = 96; /* Maximum offset to test against */ |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 608 | |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 609 | size_t default_pre_padding = 64; /* Pre-padding to use in mode 2 */ |
| 610 | size_t default_post_padding = 128; /* Post-padding to use in mode 1 */ |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 611 | |
| 612 | int seen_success; /* Indicates if in the current mode we've |
| 613 | * already seen a successful test. */ |
| 614 | |
| 615 | mbedtls_ssl_init( &ssl ); |
| 616 | mbedtls_ssl_transform_init( &t0 ); |
| 617 | mbedtls_ssl_transform_init( &t1 ); |
| 618 | TEST_ASSERT( build_transforms( &t0, &t1, cipher_type, hash_id, |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 619 | etm, tag_mode, ver, |
| 620 | (size_t) cid0_len, |
| 621 | (size_t) cid1_len ) == 0 ); |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 622 | |
Hanno Becker | ac8c984 | 2019-07-05 13:53:06 +0100 | [diff] [blame] | 623 | #if defined(MBEDTLS_SSL_CONF_FIXED_MINOR_VER) |
| 624 | TEST_ASSUME( ver == MBEDTLS_SSL_CONF_FIXED_MINOR_VER ); |
| 625 | #endif |
| 626 | |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 627 | TEST_ASSERT( ( buf = mbedtls_calloc( 1, buflen ) ) != NULL ); |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 628 | |
| 629 | for( mode=1; mode <= 3; mode++ ) |
| 630 | { |
| 631 | seen_success = 0; |
| 632 | for( offset=0; offset <= threshold; offset++ ) |
| 633 | { |
| 634 | mbedtls_ssl_transform *t_dec, *t_enc; |
Hanno Becker | 36fb379 | 2019-04-29 17:24:44 +0100 | [diff] [blame] | 635 | t_dec = &t0; |
| 636 | t_enc = &t1; |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 637 | |
| 638 | memset( rec.ctr, offset, sizeof( rec.ctr ) ); |
| 639 | rec.type = 42; |
| 640 | rec.ver[0] = offset; |
| 641 | rec.ver[1] = offset; |
| 642 | rec.buf = buf; |
| 643 | rec.buf_len = buflen; |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 644 | #if defined(MBEDTLS_SSL_DTLS_CONNECTION_ID) |
Hanno Becker | d8f753b | 2019-04-29 17:30:59 +0100 | [diff] [blame] | 645 | rec.cid_len = 0; |
Hanno Becker | a5a2b08 | 2019-05-15 14:03:01 +0100 | [diff] [blame] | 646 | #endif /* MBEDTLS_SSL_DTLS_CONNECTION_ID */ |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 647 | |
| 648 | switch( mode ) |
| 649 | { |
| 650 | case 1: /* Space in the beginning */ |
| 651 | rec.data_offset = offset; |
| 652 | rec.data_len = buflen - offset - default_post_padding; |
| 653 | break; |
| 654 | |
| 655 | case 2: /* Space in the end */ |
| 656 | rec.data_offset = default_pre_padding; |
| 657 | rec.data_len = buflen - default_pre_padding - offset; |
| 658 | break; |
| 659 | |
| 660 | case 3: /* Space in the beginning and end */ |
| 661 | rec.data_offset = offset; |
| 662 | rec.data_len = buflen - 2 * offset; |
| 663 | break; |
| 664 | |
| 665 | default: |
| 666 | TEST_ASSERT( 0 ); |
| 667 | break; |
| 668 | } |
| 669 | |
| 670 | memset( rec.buf + rec.data_offset, 42, rec.data_len ); |
| 671 | |
| 672 | /* Make a copy for later comparison */ |
| 673 | rec_backup = rec; |
| 674 | |
| 675 | /* Encrypt record */ |
| 676 | ret = mbedtls_ssl_encrypt_buf( &ssl, t_enc, &rec, rnd_std_rand, NULL ); |
| 677 | |
| 678 | if( ( mode == 1 || mode == 2 ) && seen_success ) |
| 679 | { |
| 680 | TEST_ASSERT( ret == 0 ); |
| 681 | } |
| 682 | else |
| 683 | { |
| 684 | TEST_ASSERT( ret == 0 || ret == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 685 | if( ret == 0 ) |
| 686 | seen_success = 1; |
| 687 | } |
| 688 | |
| 689 | if( ret != 0 ) |
| 690 | continue; |
| 691 | |
| 692 | /* Decrypt record with t_dec */ |
| 693 | TEST_ASSERT( mbedtls_ssl_decrypt_buf( &ssl, t_dec, &rec ) == 0 ); |
| 694 | |
| 695 | /* Compare results */ |
| 696 | TEST_ASSERT( rec.type == rec_backup.type ); |
| 697 | TEST_ASSERT( memcmp( rec.ctr, rec_backup.ctr, 8 ) == 0 ); |
| 698 | TEST_ASSERT( rec.ver[0] == rec_backup.ver[0] ); |
| 699 | TEST_ASSERT( rec.ver[1] == rec_backup.ver[1] ); |
| 700 | TEST_ASSERT( rec.data_len == rec_backup.data_len ); |
| 701 | TEST_ASSERT( rec.data_offset == rec_backup.data_offset ); |
| 702 | TEST_ASSERT( memcmp( rec.buf + rec.data_offset, |
| 703 | rec_backup.buf + rec_backup.data_offset, |
| 704 | rec.data_len ) == 0 ); |
| 705 | } |
| 706 | |
| 707 | TEST_ASSERT( seen_success == 1 ); |
| 708 | } |
| 709 | |
Hanno Becker | 5c1176e | 2019-03-01 11:21:44 +0000 | [diff] [blame] | 710 | exit: |
| 711 | |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 712 | /* Cleanup */ |
| 713 | mbedtls_ssl_free( &ssl ); |
| 714 | mbedtls_ssl_transform_free( &t0 ); |
| 715 | mbedtls_ssl_transform_free( &t1 ); |
| 716 | |
Hanno Becker | afc528a | 2019-04-04 16:31:26 +0100 | [diff] [blame] | 717 | mbedtls_free( buf ); |
Hanno Becker | d300003 | 2018-01-05 15:20:24 +0000 | [diff] [blame] | 718 | } |
| 719 | /* END_CASE */ |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 720 | |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 721 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 722 | void ssl_serialize_session_save_load( int ticket_len, char *crt_file ) |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 723 | { |
| 724 | mbedtls_ssl_session original, restored; |
| 725 | unsigned char *buf = NULL; |
| 726 | size_t len; |
| 727 | |
| 728 | /* |
| 729 | * Test that a save-load pair is the identity |
| 730 | */ |
| 731 | |
| 732 | mbedtls_ssl_session_init( &original ); |
| 733 | mbedtls_ssl_session_init( &restored ); |
| 734 | |
| 735 | /* Prepare a dummy session to work on */ |
| 736 | TEST_ASSERT( ssl_populate_session( &original, ticket_len, crt_file ) == 0 ); |
| 737 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 738 | /* Serialize it */ |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 739 | TEST_ASSERT( mbedtls_ssl_session_save( &original, NULL, 0, &len ) |
| 740 | == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 741 | TEST_ASSERT( ( buf = mbedtls_calloc( 1, len ) ) != NULL ); |
| 742 | TEST_ASSERT( mbedtls_ssl_session_save( &original, buf, len, &len ) |
| 743 | == 0 ); |
| 744 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 745 | /* Restore session from serialized data */ |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 746 | TEST_ASSERT( mbedtls_ssl_session_load( &restored, buf, len) == 0 ); |
| 747 | |
| 748 | /* |
| 749 | * Make sure both session structures are identical |
| 750 | */ |
| 751 | #if defined(MBEDTLS_HAVE_TIME) |
| 752 | TEST_ASSERT( original.start == restored.start ); |
| 753 | #endif |
Hanno Becker | e02758c | 2019-06-26 15:31:31 +0100 | [diff] [blame] | 754 | #if !defined(MBEDTLS_SSL_CONF_SINGLE_CIPHERSUITE) |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 755 | TEST_ASSERT( original.ciphersuite == restored.ciphersuite ); |
Hanno Becker | e02758c | 2019-06-26 15:31:31 +0100 | [diff] [blame] | 756 | #endif |
Hanno Becker | 8844055 | 2019-07-03 14:16:13 +0100 | [diff] [blame] | 757 | #if defined(MBEDTLS_ZLIB_SUPPORT) |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 758 | TEST_ASSERT( original.compression == restored.compression ); |
Hanno Becker | 8844055 | 2019-07-03 14:16:13 +0100 | [diff] [blame] | 759 | #endif |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 760 | TEST_ASSERT( original.id_len == restored.id_len ); |
| 761 | TEST_ASSERT( memcmp( original.id, |
| 762 | restored.id, sizeof( original.id ) ) == 0 ); |
| 763 | TEST_ASSERT( memcmp( original.master, |
| 764 | restored.master, sizeof( original.master ) ) == 0 ); |
| 765 | |
| 766 | #if defined(MBEDTLS_X509_CRT_PARSE_C) |
Hanno Becker | 2e6d347 | 2019-02-06 15:40:27 +0000 | [diff] [blame] | 767 | #if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE) |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 768 | TEST_ASSERT( ( original.peer_cert == NULL ) == |
| 769 | ( restored.peer_cert == NULL ) ); |
| 770 | if( original.peer_cert != NULL ) |
| 771 | { |
| 772 | TEST_ASSERT( original.peer_cert->raw.len == |
| 773 | restored.peer_cert->raw.len ); |
| 774 | TEST_ASSERT( memcmp( original.peer_cert->raw.p, |
| 775 | restored.peer_cert->raw.p, |
| 776 | original.peer_cert->raw.len ) == 0 ); |
| 777 | } |
Hanno Becker | 5882dd0 | 2019-06-06 16:25:57 +0100 | [diff] [blame] | 778 | #elif defined(MBEDTLS_SSL_RENEGOTIATION) |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 779 | TEST_ASSERT( original.peer_cert_digest_type == |
| 780 | restored.peer_cert_digest_type ); |
| 781 | TEST_ASSERT( original.peer_cert_digest_len == |
| 782 | restored.peer_cert_digest_len ); |
| 783 | TEST_ASSERT( ( original.peer_cert_digest == NULL ) == |
| 784 | ( restored.peer_cert_digest == NULL ) ); |
| 785 | if( original.peer_cert_digest != NULL ) |
| 786 | { |
| 787 | TEST_ASSERT( memcmp( original.peer_cert_digest, |
| 788 | restored.peer_cert_digest, |
| 789 | original.peer_cert_digest_len ) == 0 ); |
| 790 | } |
Hanno Becker | 5882dd0 | 2019-06-06 16:25:57 +0100 | [diff] [blame] | 791 | #endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE && MBEDTLS_SSL_RENEGOTIATION */ |
Hanno Becker | 4a2f8e5 | 2019-02-06 15:23:38 +0000 | [diff] [blame] | 792 | #endif /* MBEDTLS_X509_CRT_PARSE_C */ |
Manuel Pégourié-Gonnard | 2a62a05 | 2019-05-24 09:41:39 +0200 | [diff] [blame] | 793 | TEST_ASSERT( original.verify_result == restored.verify_result ); |
| 794 | |
| 795 | #if defined(MBEDTLS_SSL_SESSION_TICKETS) && defined(MBEDTLS_SSL_CLI_C) |
| 796 | TEST_ASSERT( original.ticket_len == restored.ticket_len ); |
| 797 | if( original.ticket_len != 0 ) |
| 798 | { |
| 799 | TEST_ASSERT( original.ticket != NULL ); |
| 800 | TEST_ASSERT( restored.ticket != NULL ); |
| 801 | TEST_ASSERT( memcmp( original.ticket, |
| 802 | restored.ticket, original.ticket_len ) == 0 ); |
| 803 | } |
| 804 | TEST_ASSERT( original.ticket_lifetime == restored.ticket_lifetime ); |
| 805 | #endif |
| 806 | |
| 807 | #if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH) |
| 808 | TEST_ASSERT( original.mfl_code == restored.mfl_code ); |
| 809 | #endif |
| 810 | |
| 811 | #if defined(MBEDTLS_SSL_TRUNCATED_HMAC) |
| 812 | TEST_ASSERT( original.trunc_hmac == restored.trunc_hmac ); |
| 813 | #endif |
| 814 | |
| 815 | #if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC) |
| 816 | TEST_ASSERT( original.encrypt_then_mac == restored.encrypt_then_mac ); |
| 817 | #endif |
| 818 | |
| 819 | exit: |
| 820 | mbedtls_ssl_session_free( &original ); |
| 821 | mbedtls_ssl_session_free( &restored ); |
| 822 | mbedtls_free( buf ); |
| 823 | } |
| 824 | /* END_CASE */ |
| 825 | |
Manuel Pégourié-Gonnard | c4f5080 | 2019-06-03 10:53:47 +0200 | [diff] [blame] | 826 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 827 | void ssl_serialize_session_load_save( int ticket_len, char *crt_file ) |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 828 | { |
| 829 | mbedtls_ssl_session session; |
| 830 | unsigned char *buf1 = NULL, *buf2 = NULL; |
| 831 | size_t len0, len1, len2; |
| 832 | |
| 833 | /* |
| 834 | * Test that a load-save pair is the identity |
| 835 | */ |
| 836 | |
| 837 | mbedtls_ssl_session_init( &session ); |
| 838 | |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 839 | /* Prepare a dummy session to work on */ |
Manuel Pégourié-Gonnard | aab6204 | 2019-05-24 09:40:17 +0200 | [diff] [blame] | 840 | TEST_ASSERT( ssl_populate_session( &session, ticket_len, crt_file ) == 0 ); |
Manuel Pégourié-Gonnard | 16f6bb1 | 2019-05-23 10:06:14 +0200 | [diff] [blame] | 841 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 842 | /* Get desired buffer size for serializing */ |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 843 | TEST_ASSERT( mbedtls_ssl_session_save( &session, NULL, 0, &len0 ) |
| 844 | == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 845 | |
| 846 | /* Allocate first buffer */ |
| 847 | buf1 = mbedtls_calloc( 1, len0 ); |
| 848 | TEST_ASSERT( buf1 != NULL ); |
| 849 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 850 | /* Serialize to buffer and free live session */ |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 851 | TEST_ASSERT( mbedtls_ssl_session_save( &session, buf1, len0, &len1 ) |
| 852 | == 0 ); |
| 853 | TEST_ASSERT( len0 == len1 ); |
| 854 | mbedtls_ssl_session_free( &session ); |
| 855 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 856 | /* Restore session from serialized data */ |
Manuel Pégourié-Gonnard | d1a5451 | 2019-05-24 09:54:21 +0200 | [diff] [blame] | 857 | TEST_ASSERT( mbedtls_ssl_session_load( &session, buf1, len1 ) == 0 ); |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 858 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 859 | /* Allocate second buffer and serialize to it */ |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 860 | buf2 = mbedtls_calloc( 1, len0 ); |
Manuel Pégourié-Gonnard | 081b152 | 2019-05-24 09:52:10 +0200 | [diff] [blame] | 861 | TEST_ASSERT( buf2 != NULL ); |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 862 | TEST_ASSERT( mbedtls_ssl_session_save( &session, buf2, len0, &len2 ) |
| 863 | == 0 ); |
| 864 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 865 | /* Make sure both serialized versions are identical */ |
Manuel Pégourié-Gonnard | dfa5a7a | 2019-05-23 09:30:55 +0200 | [diff] [blame] | 866 | TEST_ASSERT( len1 == len2 ); |
| 867 | TEST_ASSERT( memcmp( buf1, buf2, len1 ) == 0 ); |
| 868 | |
| 869 | exit: |
| 870 | mbedtls_ssl_session_free( &session ); |
| 871 | mbedtls_free( buf1 ); |
| 872 | mbedtls_free( buf2 ); |
| 873 | } |
| 874 | /* END_CASE */ |
Manuel Pégourié-Gonnard | 98fccc3 | 2019-05-23 10:38:11 +0200 | [diff] [blame] | 875 | |
| 876 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 877 | void ssl_serialize_session_save_buf_size( int ticket_len, char *crt_file ) |
Manuel Pégourié-Gonnard | 98fccc3 | 2019-05-23 10:38:11 +0200 | [diff] [blame] | 878 | { |
| 879 | mbedtls_ssl_session session; |
| 880 | unsigned char *buf = NULL; |
| 881 | size_t good_len, bad_len, test_len; |
| 882 | |
| 883 | /* |
| 884 | * Test that session_save() fails cleanly on small buffers |
| 885 | */ |
| 886 | |
| 887 | mbedtls_ssl_session_init( &session ); |
| 888 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 889 | /* Prepare dummy session and get serialized size */ |
Manuel Pégourié-Gonnard | aab6204 | 2019-05-24 09:40:17 +0200 | [diff] [blame] | 890 | TEST_ASSERT( ssl_populate_session( &session, ticket_len, crt_file ) == 0 ); |
Manuel Pégourié-Gonnard | 98fccc3 | 2019-05-23 10:38:11 +0200 | [diff] [blame] | 891 | TEST_ASSERT( mbedtls_ssl_session_save( &session, NULL, 0, &good_len ) |
| 892 | == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 893 | |
| 894 | /* Try all possible bad lengths */ |
| 895 | for( bad_len = 1; bad_len < good_len; bad_len++ ) |
| 896 | { |
| 897 | /* Allocate exact size so that asan/valgrind can detect any overwrite */ |
| 898 | mbedtls_free( buf ); |
| 899 | TEST_ASSERT( ( buf = mbedtls_calloc( 1, bad_len ) ) != NULL ); |
| 900 | TEST_ASSERT( mbedtls_ssl_session_save( &session, buf, bad_len, |
| 901 | &test_len ) |
| 902 | == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 903 | TEST_ASSERT( test_len == good_len ); |
| 904 | } |
| 905 | |
| 906 | exit: |
| 907 | mbedtls_ssl_session_free( &session ); |
| 908 | mbedtls_free( buf ); |
| 909 | } |
| 910 | /* END_CASE */ |
Manuel Pégourié-Gonnard | 5709811 | 2019-05-23 12:28:45 +0200 | [diff] [blame] | 911 | |
| 912 | /* BEGIN_CASE */ |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 913 | void ssl_serialize_session_load_buf_size( int ticket_len, char *crt_file ) |
Manuel Pégourié-Gonnard | 5709811 | 2019-05-23 12:28:45 +0200 | [diff] [blame] | 914 | { |
| 915 | mbedtls_ssl_session session; |
| 916 | unsigned char *good_buf = NULL, *bad_buf = NULL; |
| 917 | size_t good_len, bad_len; |
| 918 | |
| 919 | /* |
| 920 | * Test that session_load() fails cleanly on small buffers |
| 921 | */ |
| 922 | |
| 923 | mbedtls_ssl_session_init( &session ); |
| 924 | |
Manuel Pégourié-Gonnard | 35ccdbb | 2019-06-03 09:55:16 +0200 | [diff] [blame] | 925 | /* Prepare serialized session data */ |
Manuel Pégourié-Gonnard | aab6204 | 2019-05-24 09:40:17 +0200 | [diff] [blame] | 926 | TEST_ASSERT( ssl_populate_session( &session, ticket_len, crt_file ) == 0 ); |
Manuel Pégourié-Gonnard | 5709811 | 2019-05-23 12:28:45 +0200 | [diff] [blame] | 927 | TEST_ASSERT( mbedtls_ssl_session_save( &session, NULL, 0, &good_len ) |
| 928 | == MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); |
| 929 | TEST_ASSERT( ( good_buf = mbedtls_calloc( 1, good_len ) ) != NULL ); |
| 930 | TEST_ASSERT( mbedtls_ssl_session_save( &session, good_buf, good_len, |
| 931 | &good_len ) == 0 ); |
| 932 | mbedtls_ssl_session_free( &session ); |
| 933 | |
| 934 | /* Try all possible bad lengths */ |
| 935 | for( bad_len = 0; bad_len < good_len; bad_len++ ) |
| 936 | { |
| 937 | /* Allocate exact size so that asan/valgrind can detect any overread */ |
| 938 | mbedtls_free( bad_buf ); |
| 939 | bad_buf = mbedtls_calloc( 1, bad_len ? bad_len : 1 ); |
| 940 | TEST_ASSERT( bad_buf != NULL ); |
| 941 | memcpy( bad_buf, good_buf, bad_len ); |
| 942 | |
| 943 | TEST_ASSERT( mbedtls_ssl_session_load( &session, bad_buf, bad_len ) |
| 944 | == MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); |
| 945 | } |
| 946 | |
| 947 | exit: |
| 948 | mbedtls_ssl_session_free( &session ); |
| 949 | mbedtls_free( good_buf ); |
| 950 | mbedtls_free( bad_buf ); |
| 951 | } |
| 952 | /* END_CASE */ |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 953 | |
Hanno Becker | 08ec129 | 2019-05-29 12:44:28 +0100 | [diff] [blame] | 954 | /* BEGIN_CASE */ |
| 955 | void ssl_session_serialize_version_check( int corrupt_major, |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 956 | int corrupt_minor, |
| 957 | int corrupt_patch, |
| 958 | int corrupt_config ) |
| 959 | { |
Hanno Becker | 08ec129 | 2019-05-29 12:44:28 +0100 | [diff] [blame] | 960 | unsigned char serialized_session[ 2048 ]; |
| 961 | size_t serialized_session_len; |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 962 | unsigned cur_byte; |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 963 | mbedtls_ssl_session session; |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 964 | uint8_t should_corrupt_byte[] = { corrupt_major == 1, |
| 965 | corrupt_minor == 1, |
| 966 | corrupt_patch == 1, |
| 967 | corrupt_config == 1, |
| 968 | corrupt_config == 1 }; |
| 969 | |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 970 | mbedtls_ssl_session_init( &session ); |
| 971 | |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 972 | /* Infer length of serialized session. */ |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 973 | TEST_ASSERT( mbedtls_ssl_session_save( &session, |
Hanno Becker | 08ec129 | 2019-05-29 12:44:28 +0100 | [diff] [blame] | 974 | serialized_session, |
| 975 | sizeof( serialized_session ), |
| 976 | &serialized_session_len ) == 0 ); |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 977 | |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 978 | mbedtls_ssl_session_free( &session ); |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 979 | |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 980 | /* Without any modification, we should be able to successfully |
Hanno Becker | 08ec129 | 2019-05-29 12:44:28 +0100 | [diff] [blame] | 981 | * de-serialize the session - double-check that. */ |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 982 | TEST_ASSERT( mbedtls_ssl_session_load( &session, |
Hanno Becker | 08ec129 | 2019-05-29 12:44:28 +0100 | [diff] [blame] | 983 | serialized_session, |
| 984 | serialized_session_len ) == 0 ); |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 985 | mbedtls_ssl_session_free( &session ); |
| 986 | |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 987 | /* Go through the bytes in the serialized session header and |
| 988 | * corrupt them bit-by-bit. */ |
| 989 | for( cur_byte = 0; cur_byte < sizeof( should_corrupt_byte ); cur_byte++ ) |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 990 | { |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 991 | int cur_bit; |
| 992 | unsigned char * const byte = &serialized_session[ cur_byte ]; |
| 993 | |
| 994 | if( should_corrupt_byte[ cur_byte ] == 0 ) |
| 995 | continue; |
| 996 | |
| 997 | for( cur_bit = 0; cur_bit < CHAR_BIT; cur_bit++ ) |
| 998 | { |
| 999 | unsigned char const corrupted_bit = 0x1u << cur_bit; |
| 1000 | /* Modify a single bit in the serialized session. */ |
| 1001 | *byte ^= corrupted_bit; |
| 1002 | |
| 1003 | /* Attempt to deserialize */ |
| 1004 | TEST_ASSERT( mbedtls_ssl_session_load( &session, |
| 1005 | serialized_session, |
| 1006 | serialized_session_len ) == |
Hanno Becker | 5dbcc9f | 2019-06-03 12:58:39 +0100 | [diff] [blame] | 1007 | MBEDTLS_ERR_SSL_VERSION_MISMATCH ); |
Hanno Becker | f78af37 | 2019-05-29 12:45:21 +0100 | [diff] [blame] | 1008 | |
| 1009 | /* Undo the change */ |
| 1010 | *byte ^= corrupted_bit; |
| 1011 | } |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 1012 | } |
| 1013 | |
Hanno Becker | f99ec26 | 2019-05-21 16:39:30 +0100 | [diff] [blame] | 1014 | } |
| 1015 | /* END_CASE */ |