/*
- * TLSv1 server (RFC 2246)
- * Copyright (c) 2006-2007, Jouni Malinen <j@w1.fi>
+ * TLS v1.0/v1.1/v1.2 server (RFC 2246, RFC 4346, RFC 5246)
+ * Copyright (c) 2006-2014, Jouni Malinen <j@w1.fi>
*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Alternatively, this software may be distributed under the terms of BSD
- * license.
- *
- * See README and COPYING for more details.
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
*/
#include "includes.h"
*/
+void tlsv1_server_log(struct tlsv1_server *conn, const char *fmt, ...)
+{
+ va_list ap;
+ char *buf;
+ int buflen;
+
+ va_start(ap, fmt);
+ buflen = vsnprintf(NULL, 0, fmt, ap) + 1;
+ va_end(ap);
+
+ buf = os_malloc(buflen);
+ if (buf == NULL)
+ return;
+ va_start(ap, fmt);
+ vsnprintf(buf, buflen, fmt, ap);
+ va_end(ap);
+
+ wpa_printf(MSG_DEBUG, "TLSv1: %s", buf);
+ if (conn->log_cb)
+ conn->log_cb(conn->log_cb_ctx, buf);
+
+ os_free(buf);
+}
+
+
void tlsv1_server_alert(struct tlsv1_server *conn, u8 level, u8 description)
{
conn->alert_level = level;
os_memcpy(seed, conn->client_random, TLS_RANDOM_LEN);
os_memcpy(seed + TLS_RANDOM_LEN, conn->server_random,
TLS_RANDOM_LEN);
- if (tls_prf(pre_master_secret, pre_master_secret_len,
+ if (tls_prf(conn->rl.tls_version,
+ pre_master_secret, pre_master_secret_len,
"master secret", seed, 2 * TLS_RANDOM_LEN,
conn->master_secret, TLS_MASTER_SECRET_LEN)) {
wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive "
os_memcpy(seed + TLS_RANDOM_LEN, conn->client_random, TLS_RANDOM_LEN);
key_block_len = 2 * (conn->rl.hash_size + conn->rl.key_material_len +
conn->rl.iv_size);
- if (tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+ if (tls_prf(conn->rl.tls_version,
+ conn->master_secret, TLS_MASTER_SECRET_LEN,
"key expansion", seed, 2 * TLS_RANDOM_LEN,
key_block, key_block_len)) {
wpa_printf(MSG_DEBUG, "TLSv1: Failed to derive key_block");
const u8 *pos, *end;
u8 *msg = NULL, *in_msg, *in_pos, *in_end, alert, ct;
size_t in_msg_len;
+ int used;
if (in_data == NULL || in_len == 0) {
wpa_printf(MSG_DEBUG, "TLSv1: No input data to server");
/* Each received packet may include multiple records */
while (pos < end) {
in_msg_len = in_len;
- if (tlsv1_record_receive(&conn->rl, pos, end - pos,
- in_msg, &in_msg_len, &alert)) {
+ used = tlsv1_record_receive(&conn->rl, pos, end - pos,
+ in_msg, &in_msg_len, &alert);
+ if (used < 0) {
wpa_printf(MSG_DEBUG, "TLSv1: Processing received "
"record failed");
tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
goto failed;
}
+ if (used == 0) {
+ /* need more data */
+ wpa_printf(MSG_DEBUG, "TLSv1: Partial processing not "
+ "yet supported");
+ tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+ goto failed;
+ }
ct = pos[0];
in_pos = in_msg;
in_pos += in_msg_len;
}
- pos += TLS_RECORD_HEADER_LEN + WPA_GET_BE16(pos + 3);
+ pos += used;
}
os_free(in_msg);
wpa_hexdump_key(MSG_MSGDUMP, "TLSv1: Plaintext AppData",
in_data, in_len);
- os_memcpy(out_data + TLS_RECORD_HEADER_LEN, in_data, in_len);
-
if (tlsv1_record_send(&conn->rl, TLS_CONTENT_TYPE_APPLICATION_DATA,
- out_data, out_len, in_len, &rlen) < 0) {
+ out_data, out_len, in_data, in_len, &rlen) < 0) {
wpa_printf(MSG_DEBUG, "TLSv1: Failed to create a record");
tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
TLS_ALERT_INTERNAL_ERROR);
u8 *out_data, size_t out_len)
{
const u8 *in_end, *pos;
- int res;
- u8 alert, *out_end, *out_pos;
+ int used;
+ u8 alert, *out_end, *out_pos, ct;
size_t olen;
pos = in_data;
out_end = out_data + out_len;
while (pos < in_end) {
- if (pos[0] != TLS_CONTENT_TYPE_APPLICATION_DATA) {
- wpa_printf(MSG_DEBUG, "TLSv1: Unexpected content type "
- "0x%x", pos[0]);
+ ct = pos[0];
+ olen = out_end - out_pos;
+ used = tlsv1_record_receive(&conn->rl, pos, in_end - pos,
+ out_pos, &olen, &alert);
+ if (used < 0) {
+ tlsv1_server_log(conn, "Record layer processing failed");
+ tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+ return -1;
+ }
+ if (used == 0) {
+ /* need more data */
+ wpa_printf(MSG_DEBUG, "TLSv1: Partial processing not "
+ "yet supported");
+ tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+ return -1;
+ }
+
+ if (ct == TLS_CONTENT_TYPE_ALERT) {
+ if (olen < 2) {
+ tlsv1_server_log(conn, "Alert underflow");
+ tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+ TLS_ALERT_DECODE_ERROR);
+ return -1;
+ }
+ tlsv1_server_log(conn, "Received alert %d:%d",
+ out_pos[0], out_pos[1]);
+ if (out_pos[0] == TLS_ALERT_LEVEL_WARNING) {
+ /* Continue processing */
+ pos += used;
+ continue;
+ }
+
tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
- TLS_ALERT_UNEXPECTED_MESSAGE);
+ out_pos[1]);
return -1;
}
- olen = out_end - out_pos;
- res = tlsv1_record_receive(&conn->rl, pos, in_end - pos,
- out_pos, &olen, &alert);
- if (res < 0) {
- wpa_printf(MSG_DEBUG, "TLSv1: Record layer processing "
- "failed");
- tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL, alert);
+ if (ct != TLS_CONTENT_TYPE_APPLICATION_DATA) {
+ tlsv1_server_log(conn, "Unexpected content type 0x%x",
+ pos[0]);
+ tlsv1_server_alert(conn, TLS_ALERT_LEVEL_FATAL,
+ TLS_ALERT_UNEXPECTED_MESSAGE);
return -1;
}
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if ((conn->test_flags &
+ (TLS_BREAK_VERIFY_DATA | TLS_BREAK_SRV_KEY_X_HASH |
+ TLS_BREAK_SRV_KEY_X_SIGNATURE)) &&
+ !conn->test_failure_reported) {
+ tlsv1_server_log(conn, "TEST-FAILURE: Client ApplData received after invalid handshake");
+ conn->test_failure_reported = 1;
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+
out_pos += olen;
if (out_pos > out_end) {
wpa_printf(MSG_DEBUG, "TLSv1: Buffer not large enough "
return -1;
}
- pos += TLS_RECORD_HEADER_LEN + WPA_GET_BE16(pos + 3);
+ pos += used;
}
return out_pos - out_data;
count = 0;
suites = conn->cipher_suites;
-#ifndef CONFIG_CRYPTO_INTERNAL
+ suites[count++] = TLS_DHE_RSA_WITH_AES_256_CBC_SHA256;
+ suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA256;
+ suites[count++] = TLS_DHE_RSA_WITH_AES_256_CBC_SHA;
suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
-#endif /* CONFIG_CRYPTO_INTERNAL */
+ suites[count++] = TLS_DHE_RSA_WITH_AES_128_CBC_SHA256;
+ suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA256;
+ suites[count++] = TLS_DHE_RSA_WITH_AES_128_CBC_SHA;
suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
+ suites[count++] = TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA;
suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
TLS_RANDOM_LEN);
}
- return tls_prf(conn->master_secret, TLS_MASTER_SECRET_LEN,
+ return tls_prf(conn->rl.tls_version,
+ conn->master_secret, TLS_MASTER_SECRET_LEN,
label, seed, 2 * TLS_RANDOM_LEN, out, out_len);
}
case TLS_RSA_WITH_3DES_EDE_CBC_SHA:
cipher = "DES-CBC3-SHA";
break;
+ case TLS_DHE_RSA_WITH_DES_CBC_SHA:
+ cipher = "DHE-RSA-DES-CBC-SHA";
+ break;
+ case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA:
+ cipher = "DHE-RSA-DES-CBC3-SHA";
+ break;
+ case TLS_DH_anon_WITH_RC4_128_MD5:
+ cipher = "ADH-RC4-MD5";
+ break;
+ case TLS_DH_anon_WITH_DES_CBC_SHA:
+ cipher = "ADH-DES-SHA";
+ break;
+ case TLS_DH_anon_WITH_3DES_EDE_CBC_SHA:
+ cipher = "ADH-DES-CBC3-SHA";
+ break;
+ case TLS_RSA_WITH_AES_128_CBC_SHA:
+ cipher = "AES-128-SHA";
+ break;
+ case TLS_DHE_RSA_WITH_AES_128_CBC_SHA:
+ cipher = "DHE-RSA-AES-128-SHA";
+ break;
case TLS_DH_anon_WITH_AES_128_CBC_SHA:
cipher = "ADH-AES-128-SHA";
break;
case TLS_RSA_WITH_AES_256_CBC_SHA:
cipher = "AES-256-SHA";
break;
- case TLS_RSA_WITH_AES_128_CBC_SHA:
- cipher = "AES-128-SHA";
+ case TLS_DHE_RSA_WITH_AES_256_CBC_SHA:
+ cipher = "DHE-RSA-AES-256-SHA";
+ break;
+ case TLS_DH_anon_WITH_AES_256_CBC_SHA:
+ cipher = "ADH-AES-256-SHA";
+ break;
+ case TLS_RSA_WITH_AES_128_CBC_SHA256:
+ cipher = "AES-128-SHA256";
+ break;
+ case TLS_RSA_WITH_AES_256_CBC_SHA256:
+ cipher = "AES-256-SHA256";
+ break;
+ case TLS_DHE_RSA_WITH_AES_128_CBC_SHA256:
+ cipher = "DHE-RSA-AES-128-SHA256";
+ break;
+ case TLS_DHE_RSA_WITH_AES_256_CBC_SHA256:
+ cipher = "DHE-RSA-AES-256-SHA256";
+ break;
+ case TLS_DH_anon_WITH_AES_128_CBC_SHA256:
+ cipher = "ADH-AES-128-SHA256";
+ break;
+ case TLS_DH_anon_WITH_AES_256_CBC_SHA256:
+ cipher = "ADH-AES-256-SHA256";
break;
default:
return -1;
/**
- * tlsv1_server_get_keys - Get master key and random data from TLS connection
+ * tlsv1_server_get_random - Get random data from TLS connection
* @conn: TLSv1 server connection data from tlsv1_server_init()
- * @keys: Structure of key/random data (filled on success)
+ * @keys: Structure of random data (filled on success)
* Returns: 0 on success, -1 on failure
*/
-int tlsv1_server_get_keys(struct tlsv1_server *conn, struct tls_keys *keys)
+int tlsv1_server_get_random(struct tlsv1_server *conn, struct tls_random *keys)
{
os_memset(keys, 0, sizeof(*keys));
if (conn->state == CLIENT_HELLO)
if (conn->state != SERVER_HELLO) {
keys->server_random = conn->server_random;
keys->server_random_len = TLS_RANDOM_LEN;
- keys->master_key = conn->master_secret;
- keys->master_key_len = TLS_MASTER_SECRET_LEN;
}
return 0;
if (ciphers[0] == TLS_CIPHER_ANON_DH_AES128_SHA) {
count = 0;
suites = conn->cipher_suites;
-#ifndef CONFIG_CRYPTO_INTERNAL
suites[count++] = TLS_RSA_WITH_AES_256_CBC_SHA;
-#endif /* CONFIG_CRYPTO_INTERNAL */
suites[count++] = TLS_RSA_WITH_AES_128_CBC_SHA;
suites[count++] = TLS_RSA_WITH_3DES_EDE_CBC_SHA;
suites[count++] = TLS_RSA_WITH_RC4_128_SHA;
suites[count++] = TLS_RSA_WITH_RC4_128_MD5;
-#ifndef CONFIG_CRYPTO_INTERNAL
suites[count++] = TLS_DH_anon_WITH_AES_256_CBC_SHA;
-#endif /* CONFIG_CRYPTO_INTERNAL */
suites[count++] = TLS_DH_anon_WITH_AES_128_CBC_SHA;
suites[count++] = TLS_DH_anon_WITH_3DES_EDE_CBC_SHA;
suites[count++] = TLS_DH_anon_WITH_RC4_128_MD5;
conn->session_ticket_cb = cb;
conn->session_ticket_cb_ctx = ctx;
}
+
+
+void tlsv1_server_set_log_cb(struct tlsv1_server *conn,
+ void (*cb)(void *ctx, const char *msg), void *ctx)
+{
+ conn->log_cb = cb;
+ conn->log_cb_ctx = ctx;
+}
+
+
+#ifdef CONFIG_TESTING_OPTIONS
+void tlsv1_server_set_test_flags(struct tlsv1_server *conn, u32 flags)
+{
+ conn->test_flags = flags;
+}
+
+
+static const u8 test_tls_prime15[1] = {
+ 15
+};
+
+static const u8 test_tls_prime511b[64] = {
+ 0x50, 0xfb, 0xf1, 0xae, 0x01, 0xf1, 0xfe, 0xe6,
+ 0xe1, 0xae, 0xdc, 0x1e, 0xbe, 0xfb, 0x9e, 0x58,
+ 0x9a, 0xd7, 0x54, 0x9d, 0x6b, 0xb3, 0x78, 0xe2,
+ 0x39, 0x7f, 0x30, 0x01, 0x25, 0xa1, 0xf9, 0x7c,
+ 0x55, 0x0e, 0xa1, 0x15, 0xcc, 0x36, 0x34, 0xbb,
+ 0x6c, 0x8b, 0x64, 0x45, 0x15, 0x7f, 0xd3, 0xe7,
+ 0x31, 0xc8, 0x8e, 0x56, 0x8e, 0x95, 0xdc, 0xea,
+ 0x9e, 0xdf, 0xf7, 0x56, 0xdd, 0xb0, 0x34, 0xdb
+};
+
+static const u8 test_tls_prime767b[96] = {
+ 0x4c, 0xdc, 0xb8, 0x21, 0x20, 0x9d, 0xe8, 0xa3,
+ 0x53, 0xd9, 0x1c, 0x18, 0xc1, 0x3a, 0x58, 0x67,
+ 0xa7, 0x85, 0xf9, 0x28, 0x9b, 0xce, 0xc0, 0xd1,
+ 0x05, 0x84, 0x61, 0x97, 0xb2, 0x86, 0x1c, 0xd0,
+ 0xd1, 0x96, 0x23, 0x29, 0x8c, 0xc5, 0x30, 0x68,
+ 0x3e, 0xf9, 0x05, 0xba, 0x60, 0xeb, 0xdb, 0xee,
+ 0x2d, 0xdf, 0x84, 0x65, 0x49, 0x87, 0x90, 0x2a,
+ 0xc9, 0x8e, 0x34, 0x63, 0x6d, 0x9a, 0x2d, 0x32,
+ 0x1c, 0x46, 0xd5, 0x4e, 0x20, 0x20, 0x90, 0xac,
+ 0xd5, 0x48, 0x79, 0x99, 0x0c, 0xe6, 0xed, 0xbf,
+ 0x79, 0xc2, 0x47, 0x50, 0x95, 0x38, 0x38, 0xbc,
+ 0xde, 0xb0, 0xd2, 0xe8, 0x97, 0xcb, 0x22, 0xbb
+};
+
+static const u8 test_tls_prime58[128] = {
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x03, 0xc1, 0xba, 0xc8, 0x25, 0xbe, 0x2d, 0xf3
+};
+
+static const u8 test_tls_non_prime[] = {
+ /*
+ * This is not a prime and the value has the following factors:
+ * 13736783488716579923 * 16254860191773456563 * 18229434976173670763 *
+ * 11112313018289079419 * 10260802278580253339 * 12394009491575311499 *
+ * 12419059668711064739 * 14317973192687985827 * 10498605410533203179 *
+ * 16338688760390249003 * 11128963991123878883 * 12990532258280301419 *
+ * 3
+ */
+ 0x0C, 0x8C, 0x36, 0x9C, 0x6F, 0x71, 0x2E, 0xA7,
+ 0xAB, 0x32, 0xD3, 0x0F, 0x68, 0x3D, 0xB2, 0x6D,
+ 0x81, 0xDD, 0xC4, 0x84, 0x0D, 0x9C, 0x6E, 0x36,
+ 0x29, 0x70, 0xF3, 0x1E, 0x9A, 0x42, 0x0B, 0x67,
+ 0x82, 0x6B, 0xB1, 0xF2, 0xAF, 0x55, 0x28, 0xE7,
+ 0xDB, 0x67, 0x6C, 0xF7, 0x6B, 0xAC, 0xAC, 0xE5,
+ 0xF7, 0x9F, 0xD4, 0x63, 0x55, 0x70, 0x32, 0x7C,
+ 0x70, 0xFB, 0xAF, 0xB8, 0xEB, 0x37, 0xCF, 0x3F,
+ 0xFE, 0x94, 0x73, 0xF9, 0x7A, 0xC7, 0x12, 0x2E,
+ 0x9B, 0xB4, 0x7D, 0x08, 0x60, 0x83, 0x43, 0x52,
+ 0x83, 0x1E, 0xA5, 0xFC, 0xFA, 0x87, 0x12, 0xF4,
+ 0x64, 0xE2, 0xCE, 0x71, 0x17, 0x72, 0xB6, 0xAB
+};
+
+#endif /* CONFIG_TESTING_OPTIONS */
+
+
+void tlsv1_server_get_dh_p(struct tlsv1_server *conn, const u8 **dh_p,
+ size_t *dh_p_len)
+{
+ *dh_p = conn->cred->dh_p;
+ *dh_p_len = conn->cred->dh_p_len;
+
+#ifdef CONFIG_TESTING_OPTIONS
+ if (conn->test_flags & TLS_DHE_PRIME_511B) {
+ tlsv1_server_log(conn, "TESTING: Use short 511-bit prime with DHE");
+ *dh_p = test_tls_prime511b;
+ *dh_p_len = sizeof(test_tls_prime511b);
+ } else if (conn->test_flags & TLS_DHE_PRIME_767B) {
+ tlsv1_server_log(conn, "TESTING: Use short 767-bit prime with DHE");
+ *dh_p = test_tls_prime767b;
+ *dh_p_len = sizeof(test_tls_prime767b);
+ } else if (conn->test_flags & TLS_DHE_PRIME_15) {
+ tlsv1_server_log(conn, "TESTING: Use bogus 15 \"prime\" with DHE");
+ *dh_p = test_tls_prime15;
+ *dh_p_len = sizeof(test_tls_prime15);
+ } else if (conn->test_flags & TLS_DHE_PRIME_58B) {
+ tlsv1_server_log(conn, "TESTING: Use short 58-bit prime in long container with DHE");
+ *dh_p = test_tls_prime58;
+ *dh_p_len = sizeof(test_tls_prime58);
+ } else if (conn->test_flags & TLS_DHE_NON_PRIME) {
+ tlsv1_server_log(conn, "TESTING: Use claim non-prime as the DHE prime");
+ *dh_p = test_tls_non_prime;
+ *dh_p_len = sizeof(test_tls_non_prime);
+ }
+#endif /* CONFIG_TESTING_OPTIONS */
+}
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