Home | History | Annotate | Download | only in tls
      1 /*
      2  * TLS v1.0/v1.1/v1.2 server (RFC 2246, RFC 4346, RFC 5246)
      3  * Copyright (c) 2006-2011, Jouni Malinen <j (at) w1.fi>
      4  *
      5  * This software may be distributed under the terms of the BSD license.
      6  * See README for more details.
      7  */
      8 
      9 #include "includes.h"
     10 
     11 #include "common.h"
     12 #include "crypto/sha1.h"
     13 #include "crypto/tls.h"
     14 #include "tlsv1_common.h"
     15 #include "tlsv1_record.h"
     16 #include "tlsv1_server.h"
     17 #include "tlsv1_server_i.h"
     18 
     19 /* TODO:
     20  * Support for a message fragmented across several records (RFC 2246, 6.2.1)
     21  */
     22 
     23 
     24 void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description)
     25 {
     26 	conn->alert_level = level;
     27 	conn->alert_description = description;
     28 }
     29 
     30 
     31 int tlsv1_server_derive_keys(struct tlsv1_server *conn,
     32 			     const u8 *pre_master_secret,
     33 			     size_t pre_master_secret_len)
     34 {
     35 	u8 seed[2 * TLS_RANDOM_LEN];
     36 	u8 key_block[TLS_MAX_KEY_BLOCK_LEN];
     37 	u8 *pos;
     38 	size_t key_block_len;
     39 
     40 	if (pre_master_secret) {
     41 		wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: pre_master_secret",
     42 				pre_master_secret, pre_master_secret_len);
     43 		os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
     44 		os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
     45 			  TLS_RANDOM_LEN);
     46 		if (tls_prf(conn->rl.tls_version,
     47 			    pre_master_secret, pre_master_secret_len,
     48 			    "master secret", seed, 2 * TLS_RANDOM_LEN,
     49 			    conn->master_secret, TLS_MASTER_SECRET_LEN)) {
     50 			wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive "
     51 				   "master_secret");
     52 			return -1;
     53 		}
     54 		wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: master_secret",
     55 				conn->master_secret, TLS_MASTER_SECRET_LEN);
     56 	}
     57 
     58 	os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
     59 	os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random, TLS_RANDOM_LEN);
     60 	key_block_len = 2 * (conn->rl.hash_size + conn->rl.key_material_len +
     61 			     conn->rl.iv_size);
     62 	if (tls_prf(conn->rl.tls_version,
     63 		    conn->master_secret, TLS_MASTER_SECRET_LEN,
     64 		    "key expansion", seed, 2 * TLS_RANDOM_LEN,
     65 		    key_block, key_block_len)) {
     66 		wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive key_block");
     67 		return -1;
     68 	}
     69 	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: key_block",
     70 			key_block, key_block_len);
     71 
     72 	pos = key_block;
     73 
     74 	/* client_write_MAC_secret */
     75 	os_memcpy(conn->rl.read_mac_secret, pos, conn->rl.hash_size);
     76 	pos += conn->rl.hash_size;
     77 	/* server_write_MAC_secret */
     78 	os_memcpy(conn->rl.write_mac_secret, pos, conn->rl.hash_size);
     79 	pos += conn->rl.hash_size;
     80 
     81 	/* client_write_key */
     82 	os_memcpy(conn->rl.read_key, pos, conn->rl.key_material_len);
     83 	pos += conn->rl.key_material_len;
     84 	/* server_write_key */
     85 	os_memcpy(conn->rl.write_key, pos, conn->rl.key_material_len);
     86 	pos += conn->rl.key_material_len;
     87 
     88 	/* client_write_IV */
     89 	os_memcpy(conn->rl.read_iv, pos, conn->rl.iv_size);
     90 	pos += conn->rl.iv_size;
     91 	/* server_write_IV */
     92 	os_memcpy(conn->rl.write_iv, pos, conn->rl.iv_size);
     93 	pos += conn->rl.iv_size;
     94 
     95 	return 0;
     96 }
     97 
     98 
     99 /**
    100  * tlsv1_server_handshake - Process TLS handshake
    101  * @conn: TLSv1 server connection data from tlsv1_server_init()
    102  * @in_data: Input data from TLS peer
    103  * @in_len: Input data length
    104  * @out_len: Length of the output buffer.
    105  * Returns: Pointer to output data, %NULL on failure
    106  */
    107 u8 * tlsv1_server_handshake(struct tlsv1_server *conn,
    108 			    const u8 *in_data, size_t in_len,
    109 			    size_t *out_len)
    110 {
    111 	const u8 *pos, *end;
    112 	u8 *msg = NULL, *in_msg, *in_pos, *in_end, alert, ct;
    113 	size_t in_msg_len;
    114 	int used;
    115 
    116 	if (in_data == NULL || in_len == 0) {
    117 		wpa_printf(MSG_DEBUG, "TLSv1: No input data to server");
    118 		return NULL;
    119 	}
    120 
    121 	pos = in_data;
    122 	end = in_data + in_len;
    123 	in_msg = os_malloc(in_len);
    124 	if (in_msg == NULL)
    125 		return NULL;
    126 
    127 	/* Each received packet may include multiple records */
    128 	while (pos < end) {
    129 		in_msg_len = in_len;
    130 		used = tlsv1_record_receive(&conn->rl, pos, end - pos,
    131 					    in_msg, &in_msg_len, &alert);
    132 		if (used < 0) {
    133 			wpa_printf(MSG_DEBUG, "TLSv1: Processing received "
    134 				   "record failed");
    135 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
    136 			goto failed;
    137 		}
    138 		if (used == 0) {
    139 			/* need more data */
    140 			wpa_printf(MSG_DEBUG, "TLSv1: Partial processing not "
    141 				   "yet supported");
    142 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
    143 			goto failed;
    144 		}
    145 		ct = pos[0];
    146 
    147 		in_pos = in_msg;
    148 		in_end = in_msg + in_msg_len;
    149 
    150 		/* Each received record may include multiple messages of the
    151 		 * same ContentType. */
    152 		while (in_pos < in_end) {
    153 			in_msg_len = in_end - in_pos;
    154 			if (tlsv1_server_process_handshake(conn, ct, in_pos,
    155 							   &in_msg_len) < 0)
    156 				goto failed;
    157 			in_pos += in_msg_len;
    158 		}
    159 
    160 		pos += used;
    161 	}
    162 
    163 	os_free(in_msg);
    164 	in_msg = NULL;
    165 
    166 	msg = tlsv1_server_handshake_write(conn, out_len);
    167 
    168 failed:
    169 	os_free(in_msg);
    170 	if (conn->alert_level) {
    171 		if (conn->state == FAILED) {
    172 			/* Avoid alert loops */
    173 			wpa_printf(MSG_DEBUG, "TLSv1: Drop alert loop");
    174 			os_free(msg);
    175 			return NULL;
    176 		}
    177 		conn->state = FAILED;
    178 		os_free(msg);
    179 		msg = tlsv1_server_send_alert(conn, conn->alert_level,
    180 					      conn->alert_description,
    181 					      out_len);
    182 	}
    183 
    184 	return msg;
    185 }
    186 
    187 
    188 /**
    189  * tlsv1_server_encrypt - Encrypt data into TLS tunnel
    190  * @conn: TLSv1 server connection data from tlsv1_server_init()
    191  * @in_data: Pointer to plaintext data to be encrypted
    192  * @in_len: Input buffer length
    193  * @out_data: Pointer to output buffer (encrypted TLS data)
    194  * @out_len: Maximum out_data length
    195  * Returns: Number of bytes written to out_data, -1 on failure
    196  *
    197  * This function is used after TLS handshake has been completed successfully to
    198  * send data in the encrypted tunnel.
    199  */
    200 int tlsv1_server_encrypt(struct tlsv1_server *conn,
    201 			 const u8 *in_data, size_t in_len,
    202 			 u8 *out_data, size_t out_len)
    203 {
    204 	size_t rlen;
    205 
    206 	wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: Plaintext AppData",
    207 			in_data, in_len);
    208 
    209 	if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_APPLICATION_DATA,
    210 			      out_data, out_len, in_data, in_len, &rlen) < 0) {
    211 		wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
    212 		tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
    213 				   TLS_ALERT_INTERNAL_ERROR);
    214 		return -1;
    215 	}
    216 
    217 	return rlen;
    218 }
    219 
    220 
    221 /**
    222  * tlsv1_server_decrypt - Decrypt data from TLS tunnel
    223  * @conn: TLSv1 server connection data from tlsv1_server_init()
    224  * @in_data: Pointer to input buffer (encrypted TLS data)
    225  * @in_len: Input buffer length
    226  * @out_data: Pointer to output buffer (decrypted data from TLS tunnel)
    227  * @out_len: Maximum out_data length
    228  * Returns: Number of bytes written to out_data, -1 on failure
    229  *
    230  * This function is used after TLS handshake has been completed successfully to
    231  * receive data from the encrypted tunnel.
    232  */
    233 int tlsv1_server_decrypt(struct tlsv1_server *conn,
    234 			 const u8 *in_data, size_t in_len,
    235 			 u8 *out_data, size_t out_len)
    236 {
    237 	const u8 *in_end, *pos;
    238 	int used;
    239 	u8 alert, *out_end, *out_pos, ct;
    240 	size_t olen;
    241 
    242 	pos = in_data;
    243 	in_end = in_data + in_len;
    244 	out_pos = out_data;
    245 	out_end = out_data + out_len;
    246 
    247 	while (pos < in_end) {
    248 		ct = pos[0];
    249 		olen = out_end - out_pos;
    250 		used = tlsv1_record_receive(&conn->rl, pos, in_end - pos,
    251 					    out_pos, &olen, &alert);
    252 		if (used < 0) {
    253 			wpa_printf(MSG_DEBUG, "TLSv1: Record layer processing "
    254 				   "failed");
    255 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
    256 			return -1;
    257 		}
    258 		if (used == 0) {
    259 			/* need more data */
    260 			wpa_printf(MSG_DEBUG, "TLSv1: Partial processing not "
    261 				   "yet supported");
    262 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
    263 			return -1;
    264 		}
    265 
    266 		if (ct == TLS_CONTENT_TYPE_ALERT) {
    267 			if (olen < 2) {
    268 				wpa_printf(MSG_DEBUG, "TLSv1: Alert "
    269 					   "underflow");
    270 				tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
    271 						   TLS_ALERT_DECODE_ERROR);
    272 				return -1;
    273 			}
    274 			wpa_printf(MSG_DEBUG, "TLSv1: Received alert %d:%d",
    275 				   out_pos[0], out_pos[1]);
    276 			if (out_pos[0] == TLS_ALERT_LEVEL_WARNING) {
    277 				/* Continue processing */
    278 				pos += used;
    279 				continue;
    280 			}
    281 
    282 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
    283 					   out_pos[1]);
    284 			return -1;
    285 		}
    286 
    287 		if (ct != TLS_CONTENT_TYPE_APPLICATION_DATA) {
    288 			wpa_printf(MSG_DEBUG, "TLSv1: Unexpected content type "
    289 				   "0x%x", pos[0]);
    290 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
    291 					   TLS_ALERT_UNEXPECTED_MESSAGE);
    292 			return -1;
    293 		}
    294 
    295 		out_pos += olen;
    296 		if (out_pos > out_end) {
    297 			wpa_printf(MSG_DEBUG, "TLSv1: Buffer not large enough "
    298 				   "for processing the received record");
    299 			tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
    300 					   TLS_ALERT_INTERNAL_ERROR);
    301 			return -1;
    302 		}
    303 
    304 		pos += used;
    305 	}
    306 
    307 	return out_pos - out_data;
    308 }
    309 
    310 
    311 /**
    312  * tlsv1_server_global_init - Initialize TLSv1 server
    313  * Returns: 0 on success, -1 on failure
    314  *
    315  * This function must be called before using any other TLSv1 server functions.
    316  */
    317 int tlsv1_server_global_init(void)
    318 {
    319 	return crypto_global_init();
    320 }
    321 
    322 
    323 /**
    324  * tlsv1_server_global_deinit - Deinitialize TLSv1 server
    325  *
    326  * This function can be used to deinitialize the TLSv1 server that was
    327  * initialized by calling tlsv1_server_global_init(). No TLSv1 server functions
    328  * can be called after this before calling tlsv1_server_global_init() again.
    329  */
    330 void tlsv1_server_global_deinit(void)
    331 {
    332 	crypto_global_deinit();
    333 }
    334 
    335 
    336 /**
    337  * tlsv1_server_init - Initialize TLSv1 server connection
    338  * @cred: Pointer to server credentials from tlsv1_server_cred_alloc()
    339  * Returns: Pointer to TLSv1 server connection data or %NULL on failure
    340  */
    341 struct tlsv1_server * tlsv1_server_init(struct tlsv1_credentials *cred)
    342 {
    343 	struct tlsv1_server *conn;
    344 	size_t count;
    345 	u16 *suites;
    346 
    347 	conn = os_zalloc(sizeof(*conn));
    348 	if (conn == NULL)
    349 		return NULL;
    350 
    351 	conn->cred = cred;
    352 
    353 	conn->state = CLIENT_HELLO;
    354 
    355 	if (tls_verify_hash_init(&conn->verify) < 0) {
    356 		wpa_printf(MSG_DEBUG, "TLSv1: Failed to initialize verify "
    357 			   "hash");
    358 		os_free(conn);
    359 		return NULL;
    360 	}
    361 
    362 	count = 0;
    363 	suites = conn->cipher_suites;
    364 #ifndef CONFIG_CRYPTO_INTERNAL
    365 	suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
    366 #endif /* CONFIG_CRYPTO_INTERNAL */
    367 	suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
    368 	suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
    369 	suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
    370 	suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
    371 	conn->num_cipher_suites = count;
    372 
    373 	return conn;
    374 }
    375 
    376 
    377 static void tlsv1_server_clear_data(struct tlsv1_server *conn)
    378 {
    379 	tlsv1_record_set_cipher_suite(&conn->rl, TLS_NULL_WITH_NULL_NULL);
    380 	tlsv1_record_change_write_cipher(&conn->rl);
    381 	tlsv1_record_change_read_cipher(&conn->rl);
    382 	tls_verify_hash_free(&conn->verify);
    383 
    384 	crypto_public_key_free(conn->client_rsa_key);
    385 	conn->client_rsa_key = NULL;
    386 
    387 	os_free(conn->session_ticket);
    388 	conn->session_ticket = NULL;
    389 	conn->session_ticket_len = 0;
    390 	conn->use_session_ticket = 0;
    391 
    392 	os_free(conn->dh_secret);
    393 	conn->dh_secret = NULL;
    394 	conn->dh_secret_len = 0;
    395 }
    396 
    397 
    398 /**
    399  * tlsv1_server_deinit - Deinitialize TLSv1 server connection
    400  * @conn: TLSv1 server connection data from tlsv1_server_init()
    401  */
    402 void tlsv1_server_deinit(struct tlsv1_server *conn)
    403 {
    404 	tlsv1_server_clear_data(conn);
    405 	os_free(conn);
    406 }
    407 
    408 
    409 /**
    410  * tlsv1_server_established - Check whether connection has been established
    411  * @conn: TLSv1 server connection data from tlsv1_server_init()
    412  * Returns: 1 if connection is established, 0 if not
    413  */
    414 int tlsv1_server_established(struct tlsv1_server *conn)
    415 {
    416 	return conn->state == ESTABLISHED;
    417 }
    418 
    419 
    420 /**
    421  * tlsv1_server_prf - Use TLS-PRF to derive keying material
    422  * @conn: TLSv1 server connection data from tlsv1_server_init()
    423  * @label: Label (e.g., description of the key) for PRF
    424  * @server_random_first: seed is 0 = client_random|server_random,
    425  * 1 = server_random|client_random
    426  * @out: Buffer for output data from TLS-PRF
    427  * @out_len: Length of the output buffer
    428  * Returns: 0 on success, -1 on failure
    429  */
    430 int tlsv1_server_prf(struct tlsv1_server *conn, const char *label,
    431 		     int server_random_first, u8 *out, size_t out_len)
    432 {
    433 	u8 seed[2 * TLS_RANDOM_LEN];
    434 
    435 	if (conn->state != ESTABLISHED)
    436 		return -1;
    437 
    438 	if (server_random_first) {
    439 		os_memcpy(seed, conn->server_random, TLS_RANDOM_LEN);
    440 		os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random,
    441 			  TLS_RANDOM_LEN);
    442 	} else {
    443 		os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
    444 		os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
    445 			  TLS_RANDOM_LEN);
    446 	}
    447 
    448 	return tls_prf(conn->rl.tls_version,
    449 		       conn->master_secret, TLS_MASTER_SECRET_LEN,
    450 		       label, seed, 2 * TLS_RANDOM_LEN, out, out_len);
    451 }
    452 
    453 
    454 /**
    455  * tlsv1_server_get_cipher - Get current cipher name
    456  * @conn: TLSv1 server connection data from tlsv1_server_init()
    457  * @buf: Buffer for the cipher name
    458  * @buflen: buf size
    459  * Returns: 0 on success, -1 on failure
    460  *
    461  * Get the name of the currently used cipher.
    462  */
    463 int tlsv1_server_get_cipher(struct tlsv1_server *conn, char *buf,
    464 			    size_t buflen)
    465 {
    466 	char *cipher;
    467 
    468 	switch (conn->rl.cipher_suite) {
    469 	case TLS_RSA_WITH_RC4_128_MD5:
    470 		cipher = "RC4-MD5";
    471 		break;
    472 	case TLS_RSA_WITH_RC4_128_SHA:
    473 		cipher = "RC4-SHA";
    474 		break;
    475 	case TLS_RSA_WITH_DES_CBC_SHA:
    476 		cipher = "DES-CBC-SHA";
    477 		break;
    478 	case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
    479 		cipher = "DES-CBC3-SHA";
    480 		break;
    481 	case TLS_DH_anon_WITH_AES_128_CBC_SHA:
    482 		cipher = "ADH-AES-128-SHA";
    483 		break;
    484 	case TLS_RSA_WITH_AES_256_CBC_SHA:
    485 		cipher = "AES-256-SHA";
    486 		break;
    487 	case TLS_RSA_WITH_AES_128_CBC_SHA:
    488 		cipher = "AES-128-SHA";
    489 		break;
    490 	default:
    491 		return -1;
    492 	}
    493 
    494 	if (os_strlcpy(buf, cipher, buflen) >= buflen)
    495 		return -1;
    496 	return 0;
    497 }
    498 
    499 
    500 /**
    501  * tlsv1_server_shutdown - Shutdown TLS connection
    502  * @conn: TLSv1 server connection data from tlsv1_server_init()
    503  * Returns: 0 on success, -1 on failure
    504  */
    505 int tlsv1_server_shutdown(struct tlsv1_server *conn)
    506 {
    507 	conn->state = CLIENT_HELLO;
    508 
    509 	if (tls_verify_hash_init(&conn->verify) < 0) {
    510 		wpa_printf(MSG_DEBUG, "TLSv1: Failed to re-initialize verify "
    511 			   "hash");
    512 		return -1;
    513 	}
    514 
    515 	tlsv1_server_clear_data(conn);
    516 
    517 	return 0;
    518 }
    519 
    520 
    521 /**
    522  * tlsv1_server_resumed - Was session resumption used
    523  * @conn: TLSv1 server connection data from tlsv1_server_init()
    524  * Returns: 1 if current session used session resumption, 0 if not
    525  */
    526 int tlsv1_server_resumed(struct tlsv1_server *conn)
    527 {
    528 	return 0;
    529 }
    530 
    531 
    532 /**
    533  * tlsv1_server_get_keys - Get master key and random data from TLS connection
    534  * @conn: TLSv1 server connection data from tlsv1_server_init()
    535  * @keys: Structure of key/random data (filled on success)
    536  * Returns: 0 on success, -1 on failure
    537  */
    538 int tlsv1_server_get_keys(struct tlsv1_server *conn, struct tls_keys *keys)
    539 {
    540 	os_memset(keys, 0, sizeof(*keys));
    541 	if (conn->state == CLIENT_HELLO)
    542 		return -1;
    543 
    544 	keys->client_random = conn->client_random;
    545 	keys->client_random_len = TLS_RANDOM_LEN;
    546 
    547 	if (conn->state != SERVER_HELLO) {
    548 		keys->server_random = conn->server_random;
    549 		keys->server_random_len = TLS_RANDOM_LEN;
    550 		keys->master_key = conn->master_secret;
    551 		keys->master_key_len = TLS_MASTER_SECRET_LEN;
    552 	}
    553 
    554 	return 0;
    555 }
    556 
    557 
    558 /**
    559  * tlsv1_server_get_keyblock_size - Get TLS key_block size
    560  * @conn: TLSv1 server connection data from tlsv1_server_init()
    561  * Returns: Size of the key_block for the negotiated cipher suite or -1 on
    562  * failure
    563  */
    564 int tlsv1_server_get_keyblock_size(struct tlsv1_server *conn)
    565 {
    566 	if (conn->state == CLIENT_HELLO || conn->state == SERVER_HELLO)
    567 		return -1;
    568 
    569 	return 2 * (conn->rl.hash_size + conn->rl.key_material_len +
    570 		    conn->rl.iv_size);
    571 }
    572 
    573 
    574 /**
    575  * tlsv1_server_set_cipher_list - Configure acceptable cipher suites
    576  * @conn: TLSv1 server connection data from tlsv1_server_init()
    577  * @ciphers: Zero (TLS_CIPHER_NONE) terminated list of allowed ciphers
    578  * (TLS_CIPHER_*).
    579  * Returns: 0 on success, -1 on failure
    580  */
    581 int tlsv1_server_set_cipher_list(struct tlsv1_server *conn, u8 *ciphers)
    582 {
    583 	size_t count;
    584 	u16 *suites;
    585 
    586 	/* TODO: implement proper configuration of cipher suites */
    587 	if (ciphers[0] == TLS_CIPHER_ANON_DH_AES128_SHA) {
    588 		count = 0;
    589 		suites = conn->cipher_suites;
    590 #ifndef CONFIG_CRYPTO_INTERNAL
    591 		suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
    592 #endif /* CONFIG_CRYPTO_INTERNAL */
    593 		suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
    594 		suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
    595 		suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
    596 		suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
    597 #ifndef CONFIG_CRYPTO_INTERNAL
    598 		suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA;
    599 #endif /* CONFIG_CRYPTO_INTERNAL */
    600 		suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
    601 		suites[count++] = TLS_DH_anon_WITH_3DES_EDE_CBC_SHA;
    602 		suites[count++] = TLS_DH_anon_WITH_RC4_128_MD5;
    603 		suites[count++] = TLS_DH_anon_WITH_DES_CBC_SHA;
    604 		conn->num_cipher_suites = count;
    605 	}
    606 
    607 	return 0;
    608 }
    609 
    610 
    611 int tlsv1_server_set_verify(struct tlsv1_server *conn, int verify_peer)
    612 {
    613 	conn->verify_peer = verify_peer;
    614 	return 0;
    615 }
    616 
    617 
    618 void tlsv1_server_set_session_ticket_cb(struct tlsv1_server *conn,
    619 					tlsv1_server_session_ticket_cb cb,
    620 					void *ctx)
    621 {
    622 	wpa_printf(MSG_DEBUG, "TLSv1: SessionTicket callback set %p (ctx %p)",
    623 		   cb, ctx);
    624 	conn->session_ticket_cb = cb;
    625 	conn->session_ticket_cb_ctx = ctx;
    626 }
    627