diff options
Diffstat (limited to 'thirdparty/mbedtls/library/ssl_ticket.c')
| -rw-r--r-- | thirdparty/mbedtls/library/ssl_ticket.c | 210 |
1 files changed, 42 insertions, 168 deletions
diff --git a/thirdparty/mbedtls/library/ssl_ticket.c b/thirdparty/mbedtls/library/ssl_ticket.c index bbde8e4ceb..046ed1b2ff 100644 --- a/thirdparty/mbedtls/library/ssl_ticket.c +++ b/thirdparty/mbedtls/library/ssl_ticket.c @@ -2,13 +2,7 @@ * TLS server tickets callbacks implementation * * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later - * - * This file is provided under the Apache License 2.0, or the - * GNU General Public License v2.0 or later. - * - * ********** - * Apache License 2.0: + * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. @@ -21,34 +15,9 @@ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. - * - * ********** - * - * ********** - * GNU General Public License v2.0 or later: - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - * - * ********** */ -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif +#include "common.h" #if defined(MBEDTLS_SSL_TICKET_C) @@ -62,6 +31,7 @@ #include "mbedtls/ssl_internal.h" #include "mbedtls/ssl_ticket.h" +#include "mbedtls/error.h" #include "mbedtls/platform_util.h" #include <string.h> @@ -99,7 +69,7 @@ void mbedtls_ssl_ticket_init( mbedtls_ssl_ticket_context *ctx ) static int ssl_ticket_gen_key( mbedtls_ssl_ticket_context *ctx, unsigned char index ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; unsigned char buf[MAX_KEY_BYTES]; mbedtls_ssl_ticket_key *key = ctx->keys + index; @@ -159,7 +129,7 @@ int mbedtls_ssl_ticket_setup( mbedtls_ssl_ticket_context *ctx, mbedtls_cipher_type_t cipher, uint32_t lifetime ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; const mbedtls_cipher_info_t *cipher_info; ctx->f_rng = f_rng; @@ -180,11 +150,27 @@ int mbedtls_ssl_ticket_setup( mbedtls_ssl_ticket_context *ctx, if( cipher_info->key_bitlen > 8 * MAX_KEY_BYTES ) return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); - if( ( ret = mbedtls_cipher_setup( &ctx->keys[0].ctx, cipher_info ) ) != 0 || - ( ret = mbedtls_cipher_setup( &ctx->keys[1].ctx, cipher_info ) ) != 0 ) - { +#if defined(MBEDTLS_USE_PSA_CRYPTO) + ret = mbedtls_cipher_setup_psa( &ctx->keys[0].ctx, + cipher_info, TICKET_AUTH_TAG_BYTES ); + if( ret != 0 && ret != MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) + return( ret ); + /* We don't yet expect to support all ciphers through PSA, + * so allow fallback to ordinary mbedtls_cipher_setup(). */ + if( ret == MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) +#endif /* MBEDTLS_USE_PSA_CRYPTO */ + if( ( ret = mbedtls_cipher_setup( &ctx->keys[0].ctx, cipher_info ) ) != 0 ) + return( ret ); + +#if defined(MBEDTLS_USE_PSA_CRYPTO) + ret = mbedtls_cipher_setup_psa( &ctx->keys[1].ctx, + cipher_info, TICKET_AUTH_TAG_BYTES ); + if( ret != 0 && ret != MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) + return( ret ); + if( ret == MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ) +#endif /* MBEDTLS_USE_PSA_CRYPTO */ + if( ( ret = mbedtls_cipher_setup( &ctx->keys[1].ctx, cipher_info ) ) != 0 ) return( ret ); - } if( ( ret = ssl_ticket_gen_key( ctx, 0 ) ) != 0 || ( ret = ssl_ticket_gen_key( ctx, 1 ) ) != 0 ) @@ -196,115 +182,6 @@ int mbedtls_ssl_ticket_setup( mbedtls_ssl_ticket_context *ctx, } /* - * Serialize a session in the following format: - * 0 . n-1 session structure, n = sizeof(mbedtls_ssl_session) - * n . n+2 peer_cert length = m (0 if no certificate) - * n+3 . n+2+m peer cert ASN.1 - */ -static int ssl_save_session( const mbedtls_ssl_session *session, - unsigned char *buf, size_t buf_len, - size_t *olen ) -{ - unsigned char *p = buf; - size_t left = buf_len; -#if defined(MBEDTLS_X509_CRT_PARSE_C) - size_t cert_len; -#endif /* MBEDTLS_X509_CRT_PARSE_C */ - - if( left < sizeof( mbedtls_ssl_session ) ) - return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); - - memcpy( p, session, sizeof( mbedtls_ssl_session ) ); - p += sizeof( mbedtls_ssl_session ); - left -= sizeof( mbedtls_ssl_session ); - -#if defined(MBEDTLS_X509_CRT_PARSE_C) - if( session->peer_cert == NULL ) - cert_len = 0; - else - cert_len = session->peer_cert->raw.len; - - if( left < 3 + cert_len ) - return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL ); - - *p++ = (unsigned char)( ( cert_len >> 16 ) & 0xFF ); - *p++ = (unsigned char)( ( cert_len >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( cert_len ) & 0xFF ); - - if( session->peer_cert != NULL ) - memcpy( p, session->peer_cert->raw.p, cert_len ); - - p += cert_len; -#endif /* MBEDTLS_X509_CRT_PARSE_C */ - - *olen = p - buf; - - return( 0 ); -} - -/* - * Unserialise session, see ssl_save_session() - */ -static int ssl_load_session( mbedtls_ssl_session *session, - const unsigned char *buf, size_t len ) -{ - const unsigned char *p = buf; - const unsigned char * const end = buf + len; -#if defined(MBEDTLS_X509_CRT_PARSE_C) - size_t cert_len; -#endif /* MBEDTLS_X509_CRT_PARSE_C */ - - if( sizeof( mbedtls_ssl_session ) > (size_t)( end - p ) ) - return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); - - memcpy( session, p, sizeof( mbedtls_ssl_session ) ); - p += sizeof( mbedtls_ssl_session ); - -#if defined(MBEDTLS_X509_CRT_PARSE_C) - if( 3 > (size_t)( end - p ) ) - return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); - - cert_len = ( p[0] << 16 ) | ( p[1] << 8 ) | p[2]; - p += 3; - - if( cert_len == 0 ) - { - session->peer_cert = NULL; - } - else - { - int ret; - - if( cert_len > (size_t)( end - p ) ) - return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); - - session->peer_cert = mbedtls_calloc( 1, sizeof( mbedtls_x509_crt ) ); - - if( session->peer_cert == NULL ) - return( MBEDTLS_ERR_SSL_ALLOC_FAILED ); - - mbedtls_x509_crt_init( session->peer_cert ); - - if( ( ret = mbedtls_x509_crt_parse_der( session->peer_cert, - p, cert_len ) ) != 0 ) - { - mbedtls_x509_crt_free( session->peer_cert ); - mbedtls_free( session->peer_cert ); - session->peer_cert = NULL; - return( ret ); - } - - p += cert_len; - } -#endif /* MBEDTLS_X509_CRT_PARSE_C */ - - if( p != end ) - return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA ); - - return( 0 ); -} - -/* * Create session ticket, with the following structure: * * struct { @@ -325,14 +202,13 @@ int mbedtls_ssl_ticket_write( void *p_ticket, size_t *tlen, uint32_t *ticket_lifetime ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; mbedtls_ssl_ticket_context *ctx = p_ticket; mbedtls_ssl_ticket_key *key; unsigned char *key_name = start; unsigned char *iv = start + TICKET_KEY_NAME_BYTES; unsigned char *state_len_bytes = iv + TICKET_IV_BYTES; unsigned char *state = state_len_bytes + TICKET_CRYPT_LEN_BYTES; - unsigned char *tag; size_t clear_len, ciph_len; *tlen = 0; @@ -362,33 +238,33 @@ int mbedtls_ssl_ticket_write( void *p_ticket, goto cleanup; /* Dump session state */ - if( ( ret = ssl_save_session( session, - state, end - state, &clear_len ) ) != 0 || + if( ( ret = mbedtls_ssl_session_save( session, + state, end - state, + &clear_len ) ) != 0 || (unsigned long) clear_len > 65535 ) { goto cleanup; } - state_len_bytes[0] = ( clear_len >> 8 ) & 0xff; - state_len_bytes[1] = ( clear_len ) & 0xff; + MBEDTLS_PUT_UINT16_BE( clear_len, state_len_bytes, 0 ); /* Encrypt and authenticate */ - tag = state + clear_len; - if( ( ret = mbedtls_cipher_auth_encrypt( &key->ctx, + if( ( ret = mbedtls_cipher_auth_encrypt_ext( &key->ctx, iv, TICKET_IV_BYTES, /* Additional data: key name, IV and length */ key_name, TICKET_ADD_DATA_LEN, - state, clear_len, state, &ciph_len, - tag, TICKET_AUTH_TAG_BYTES ) ) != 0 ) + state, clear_len, + state, end - state, &ciph_len, + TICKET_AUTH_TAG_BYTES ) ) != 0 ) { goto cleanup; } - if( ciph_len != clear_len ) + if( ciph_len != clear_len + TICKET_AUTH_TAG_BYTES ) { ret = MBEDTLS_ERR_SSL_INTERNAL_ERROR; goto cleanup; } - *tlen = TICKET_MIN_LEN + ciph_len; + *tlen = TICKET_MIN_LEN + ciph_len - TICKET_AUTH_TAG_BYTES; cleanup: #if defined(MBEDTLS_THREADING_C) @@ -423,14 +299,13 @@ int mbedtls_ssl_ticket_parse( void *p_ticket, unsigned char *buf, size_t len ) { - int ret; + int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED; mbedtls_ssl_ticket_context *ctx = p_ticket; mbedtls_ssl_ticket_key *key; unsigned char *key_name = buf; unsigned char *iv = buf + TICKET_KEY_NAME_BYTES; unsigned char *enc_len_p = iv + TICKET_IV_BYTES; unsigned char *ticket = enc_len_p + TICKET_CRYPT_LEN_BYTES; - unsigned char *tag; size_t enc_len, clear_len; if( ctx == NULL || ctx->f_rng == NULL ) @@ -448,7 +323,6 @@ int mbedtls_ssl_ticket_parse( void *p_ticket, goto cleanup; enc_len = ( enc_len_p[0] << 8 ) | enc_len_p[1]; - tag = ticket + enc_len; if( len != TICKET_MIN_LEN + enc_len ) { @@ -466,13 +340,13 @@ int mbedtls_ssl_ticket_parse( void *p_ticket, } /* Decrypt and authenticate */ - if( ( ret = mbedtls_cipher_auth_decrypt( &key->ctx, + if( ( ret = mbedtls_cipher_auth_decrypt_ext( &key->ctx, iv, TICKET_IV_BYTES, /* Additional data: key name, IV and length */ key_name, TICKET_ADD_DATA_LEN, - ticket, enc_len, - ticket, &clear_len, - tag, TICKET_AUTH_TAG_BYTES ) ) != 0 ) + ticket, enc_len + TICKET_AUTH_TAG_BYTES, + ticket, enc_len, &clear_len, + TICKET_AUTH_TAG_BYTES ) ) != 0 ) { if( ret == MBEDTLS_ERR_CIPHER_AUTH_FAILED ) ret = MBEDTLS_ERR_SSL_INVALID_MAC; @@ -486,7 +360,7 @@ int mbedtls_ssl_ticket_parse( void *p_ticket, } /* Actually load session */ - if( ( ret = ssl_load_session( session, ticket, clear_len ) ) != 0 ) + if( ( ret = mbedtls_ssl_session_load( session, ticket, clear_len ) ) != 0 ) goto cleanup; #if defined(MBEDTLS_HAVE_TIME) |