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Diffstat (limited to 'thirdparty/mbedtls/library/ssl_cli.c')
-rw-r--r--thirdparty/mbedtls/library/ssl_cli.c239
1 files changed, 151 insertions, 88 deletions
diff --git a/thirdparty/mbedtls/library/ssl_cli.c b/thirdparty/mbedtls/library/ssl_cli.c
index 2534346a49..ba59c48989 100644
--- a/thirdparty/mbedtls/library/ssl_cli.c
+++ b/thirdparty/mbedtls/library/ssl_cli.c
@@ -48,10 +48,7 @@
#endif
#if defined(MBEDTLS_SSL_SESSION_TICKETS)
-/* Implementation that should never be optimized out by the compiler */
-static void mbedtls_zeroize( void *v, size_t n ) {
- volatile unsigned char *p = v; while( n-- ) *p++ = 0;
-}
+#include "mbedtls/platform_util.h"
#endif
#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
@@ -60,7 +57,7 @@ static void ssl_write_hostname_ext( mbedtls_ssl_context *ssl,
size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
size_t hostname_len;
*olen = 0;
@@ -130,7 +127,7 @@ static void ssl_write_renegotiation_ext( mbedtls_ssl_context *ssl,
size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
*olen = 0;
@@ -174,7 +171,7 @@ static void ssl_write_signature_algorithms_ext( mbedtls_ssl_context *ssl,
size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
size_t sig_alg_len = 0;
const int *md;
#if defined(MBEDTLS_RSA_C) || defined(MBEDTLS_ECDSA_C)
@@ -259,7 +256,7 @@ static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl,
size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
unsigned char *elliptic_curve_list = p + 6;
size_t elliptic_curve_len = 0;
const mbedtls_ecp_curve_info *info;
@@ -332,7 +329,7 @@ static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
*olen = 0;
@@ -355,7 +352,7 @@ static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
*olen = 6;
}
-#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
@@ -365,7 +362,7 @@ static void ssl_write_ecjpake_kkpp_ext( mbedtls_ssl_context *ssl,
{
int ret;
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
size_t kkpp_len;
*olen = 0;
@@ -442,7 +439,7 @@ static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl,
size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
*olen = 0;
@@ -475,7 +472,7 @@ static void ssl_write_truncated_hmac_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
*olen = 0;
@@ -507,7 +504,7 @@ static void ssl_write_encrypt_then_mac_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
*olen = 0;
@@ -541,7 +538,7 @@ static void ssl_write_extended_ms_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
*olen = 0;
@@ -575,7 +572,7 @@ static void ssl_write_session_ticket_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
size_t tlen = ssl->session_negotiate->ticket_len;
*olen = 0;
@@ -619,7 +616,7 @@ static void ssl_write_alpn_ext( mbedtls_ssl_context *ssl,
unsigned char *buf, size_t *olen )
{
unsigned char *p = buf;
- const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_MAX_CONTENT_LEN;
+ const unsigned char *end = ssl->out_msg + MBEDTLS_SSL_OUT_CONTENT_LEN;
size_t alpnlen = 0;
const char **cur;
@@ -717,6 +714,49 @@ static int ssl_generate_random( mbedtls_ssl_context *ssl )
return( 0 );
}
+/**
+ * \brief Validate cipher suite against config in SSL context.
+ *
+ * \param suite_info cipher suite to validate
+ * \param ssl SSL context
+ * \param min_minor_ver Minimal minor version to accept a cipher suite
+ * \param max_minor_ver Maximal minor version to accept a cipher suite
+ *
+ * \return 0 if valid, else 1
+ */
+static int ssl_validate_ciphersuite( const mbedtls_ssl_ciphersuite_t * suite_info,
+ const mbedtls_ssl_context * ssl,
+ int min_minor_ver, int max_minor_ver )
+{
+ (void) ssl;
+ if( suite_info == NULL )
+ return( 1 );
+
+ if( suite_info->min_minor_ver > max_minor_ver ||
+ suite_info->max_minor_ver < min_minor_ver )
+ return( 1 );
+
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+ if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+ ( suite_info->flags & MBEDTLS_CIPHERSUITE_NODTLS ) )
+ return( 1 );
+#endif
+
+#if defined(MBEDTLS_ARC4_C)
+ if( ssl->conf->arc4_disabled == MBEDTLS_SSL_ARC4_DISABLED &&
+ suite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
+ return( 1 );
+#endif
+
+#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
+ if( suite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE &&
+ mbedtls_ecjpake_check( &ssl->handshake->ecjpake_ctx ) != 0 )
+ return( 1 );
+#endif
+
+ return( 0 );
+}
+
static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
{
int ret;
@@ -869,30 +909,10 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
{
ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuites[i] );
- if( ciphersuite_info == NULL )
- continue;
-
- if( ciphersuite_info->min_minor_ver > ssl->conf->max_minor_ver ||
- ciphersuite_info->max_minor_ver < ssl->conf->min_minor_ver )
- continue;
-
-#if defined(MBEDTLS_SSL_PROTO_DTLS)
- if( ssl->conf->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
- ( ciphersuite_info->flags & MBEDTLS_CIPHERSUITE_NODTLS ) )
+ if( ssl_validate_ciphersuite( ciphersuite_info, ssl,
+ ssl->conf->min_minor_ver,
+ ssl->conf->max_minor_ver ) != 0 )
continue;
-#endif
-
-#if defined(MBEDTLS_ARC4_C)
- if( ssl->conf->arc4_disabled == MBEDTLS_SSL_ARC4_DISABLED &&
- ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
- continue;
-#endif
-
-#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
- if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECJPAKE &&
- mbedtls_ecjpake_check( &ssl->handshake->ecjpake_ctx ) != 0 )
- continue;
-#endif
MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, add ciphersuite: %04x",
ciphersuites[i] ) );
@@ -902,6 +922,8 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
*p++ = (unsigned char)( ciphersuites[i] );
}
+ MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites (excluding SCSVs)", n ) );
+
/*
* Add TLS_EMPTY_RENEGOTIATION_INFO_SCSV
*/
@@ -909,6 +931,7 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
if( ssl->renego_status == MBEDTLS_SSL_INITIAL_HANDSHAKE )
#endif
{
+ MBEDTLS_SSL_DEBUG_MSG( 3, ( "adding EMPTY_RENEGOTIATION_INFO_SCSV" ) );
*p++ = (unsigned char)( MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO >> 8 );
*p++ = (unsigned char)( MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO );
n++;
@@ -928,8 +951,6 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
*q++ = (unsigned char)( n >> 7 );
*q++ = (unsigned char)( n << 1 );
- MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites", n ) );
-
#if defined(MBEDTLS_ZLIB_SUPPORT)
offer_compress = 1;
#else
@@ -937,7 +958,7 @@ static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
#endif
/*
- * We don't support compression with DTLS right now: is many records come
+ * We don't support compression with DTLS right now: if many records come
* in the same datagram, uncompressing one could overwrite the next one.
* We don't want to add complexity for handling that case unless there is
* an actual need for it.
@@ -1226,14 +1247,14 @@ static int ssl_parse_supported_point_formats_ext( mbedtls_ssl_context *ssl,
size_t list_size;
const unsigned char *p;
- list_size = buf[0];
- if( list_size + 1 != len )
+ if( len == 0 || (size_t)( buf[0] + 1 ) != len )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
}
+ list_size = buf[0];
p = buf + 1;
while( list_size > 0 )
@@ -1260,7 +1281,7 @@ static int ssl_parse_supported_point_formats_ext( mbedtls_ssl_context *ssl,
MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
}
-#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C ||
MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED */
#if defined(MBEDTLS_KEY_EXCHANGE_ECJPAKE_ENABLED)
@@ -1689,22 +1710,9 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %04x", i ) );
MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", buf[37 + n] ) );
- suite_info = mbedtls_ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite );
- if( suite_info == NULL
-#if defined(MBEDTLS_ARC4_C)
- || ( ssl->conf->arc4_disabled &&
- suite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
-#endif
- )
- {
- MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
- mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
- MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
- return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
- }
-
- MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %s", suite_info->name ) );
-
+ /*
+ * Perform cipher suite validation in same way as in ssl_write_client_hello.
+ */
i = 0;
while( 1 )
{
@@ -1723,6 +1731,17 @@ static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
}
}
+ suite_info = mbedtls_ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite );
+ if( ssl_validate_ciphersuite( suite_info, ssl, ssl->minor_ver, ssl->minor_ver ) != 0 )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+ mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+ MBEDTLS_SSL_ALERT_MSG_ILLEGAL_PARAMETER );
+ return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
+ }
+
+ MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %s", suite_info->name ) );
+
if( comp != MBEDTLS_SSL_COMPRESS_NULL
#if defined(MBEDTLS_ZLIB_SUPPORT)
&& comp != MBEDTLS_SSL_COMPRESS_DEFLATE
@@ -2057,10 +2076,16 @@ static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl,
*
* opaque psk_identity_hint<0..2^16-1>;
*/
+ if( (*p) > end - 2 )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message "
+ "(psk_identity_hint length)" ) );
+ return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+ }
len = (*p)[0] << 8 | (*p)[1];
*p += 2;
- if( (*p) + len > end )
+ if( (*p) > end - len )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message "
"(psk_identity_hint length)" ) );
@@ -2092,7 +2117,7 @@ static int ssl_write_encrypted_pms( mbedtls_ssl_context *ssl,
size_t len_bytes = ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ? 0 : 2;
unsigned char *p = ssl->handshake->premaster + pms_offset;
- if( offset + len_bytes > MBEDTLS_SSL_MAX_CONTENT_LEN )
+ if( offset + len_bytes > MBEDTLS_SSL_OUT_CONTENT_LEN )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "buffer too small for encrypted pms" ) );
return( MBEDTLS_ERR_SSL_BUFFER_TOO_SMALL );
@@ -2135,7 +2160,7 @@ static int ssl_write_encrypted_pms( mbedtls_ssl_context *ssl,
if( ( ret = mbedtls_pk_encrypt( &ssl->session_negotiate->peer_cert->pk,
p, ssl->handshake->pmslen,
ssl->out_msg + offset + len_bytes, olen,
- MBEDTLS_SSL_MAX_CONTENT_LEN - offset - len_bytes,
+ MBEDTLS_SSL_OUT_CONTENT_LEN - offset - len_bytes,
ssl->conf->f_rng, ssl->conf->p_rng ) ) != 0 )
{
MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_rsa_pkcs1_encrypt", ret );
@@ -2478,10 +2503,18 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
/*
* Read signature
*/
+
+ if( p > end - 2 )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+ mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+ MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
+ return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+ }
sig_len = ( p[0] << 8 ) | p[1];
p += 2;
- if( end != p + sig_len )
+ if( p != end - sig_len )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
@@ -2511,10 +2544,9 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
defined(MBEDTLS_SSL_PROTO_TLS1_2)
if( md_alg != MBEDTLS_MD_NONE )
{
- /* Info from md_alg will be used instead */
- hashlen = 0;
- ret = mbedtls_ssl_get_key_exchange_md_tls1_2( ssl, hash, params,
- params_len, md_alg );
+ ret = mbedtls_ssl_get_key_exchange_md_tls1_2( ssl, hash, &hashlen,
+ params, params_len,
+ md_alg );
if( ret != 0 )
return( ret );
}
@@ -2526,8 +2558,7 @@ static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
- MBEDTLS_SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen != 0 ? hashlen :
- (unsigned int) ( mbedtls_md_get_size( mbedtls_md_info_from_type( md_alg ) ) ) );
+ MBEDTLS_SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen );
if( ssl->session_negotiate->peer_cert == NULL )
{
@@ -2658,10 +2689,27 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
buf = ssl->in_msg;
/* certificate_types */
+ if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+ mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+ MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
+ return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+ }
cert_type_len = buf[mbedtls_ssl_hs_hdr_len( ssl )];
n = cert_type_len;
- if( ssl->in_hslen < mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n )
+ /*
+ * In the subsequent code there are two paths that read from buf:
+ * * the length of the signature algorithms field (if minor version of
+ * SSL is 3),
+ * * distinguished name length otherwise.
+ * Both reach at most the index:
+ * ...hdr_len + 2 + n,
+ * therefore the buffer length at this point must be greater than that
+ * regardless of the actual code path.
+ */
+ if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
@@ -2676,9 +2724,32 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
size_t sig_alg_len = ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] << 8 )
| ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n] ) );
#if defined(MBEDTLS_DEBUG_C)
- unsigned char* sig_alg = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n;
+ unsigned char* sig_alg;
size_t i;
+#endif
+
+ /*
+ * The furthest access in buf is in the loop few lines below:
+ * sig_alg[i + 1],
+ * where:
+ * sig_alg = buf + ...hdr_len + 3 + n,
+ * max(i) = sig_alg_len - 1.
+ * Therefore the furthest access is:
+ * buf[...hdr_len + 3 + n + sig_alg_len - 1 + 1],
+ * which reduces to:
+ * buf[...hdr_len + 3 + n + sig_alg_len],
+ * which is one less than we need the buf to be.
+ */
+ if( ssl->in_hslen <= mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n + sig_alg_len )
+ {
+ MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+ mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+ MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
+ return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+ }
+#if defined(MBEDTLS_DEBUG_C)
+ sig_alg = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n;
for( i = 0; i < sig_alg_len; i += 2 )
{
MBEDTLS_SSL_DEBUG_MSG( 3, ( "Supported Signature Algorithm found: %d"
@@ -2687,14 +2758,6 @@ static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
#endif
n += 2 + sig_alg_len;
-
- if( ssl->in_hslen < mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n )
- {
- MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
- mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
- MBEDTLS_SSL_ALERT_MSG_DECODE_ERROR );
- return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
- }
}
#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
@@ -2863,7 +2926,7 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
i = 4;
n = ssl->conf->psk_identity_len;
- if( i + 2 + n > MBEDTLS_SSL_MAX_CONTENT_LEN )
+ if( i + 2 + n > MBEDTLS_SSL_OUT_CONTENT_LEN )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "psk identity too long or "
"SSL buffer too short" ) );
@@ -2899,7 +2962,7 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
*/
n = ssl->handshake->dhm_ctx.len;
- if( i + 2 + n > MBEDTLS_SSL_MAX_CONTENT_LEN )
+ if( i + 2 + n > MBEDTLS_SSL_OUT_CONTENT_LEN )
{
MBEDTLS_SSL_DEBUG_MSG( 1, ( "psk identity or DHM size too long"
" or SSL buffer too short" ) );
@@ -2928,7 +2991,7 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
* ClientECDiffieHellmanPublic public;
*/
ret = mbedtls_ecdh_make_public( &ssl->handshake->ecdh_ctx, &n,
- &ssl->out_msg[i], MBEDTLS_SSL_MAX_CONTENT_LEN - i,
+ &ssl->out_msg[i], MBEDTLS_SSL_OUT_CONTENT_LEN - i,
ssl->conf->f_rng, ssl->conf->p_rng );
if( ret != 0 )
{
@@ -2969,7 +3032,7 @@ static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
i = 4;
ret = mbedtls_ecjpake_write_round_two( &ssl->handshake->ecjpake_ctx,
- ssl->out_msg + i, MBEDTLS_SSL_MAX_CONTENT_LEN - i, &n,
+ ssl->out_msg + i, MBEDTLS_SSL_OUT_CONTENT_LEN - i, &n,
ssl->conf->f_rng, ssl->conf->p_rng );
if( ret != 0 )
{
@@ -3274,8 +3337,8 @@ static int ssl_parse_new_session_ticket( mbedtls_ssl_context *ssl )
if( ticket_len == 0 )
return( 0 );
- mbedtls_zeroize( ssl->session_negotiate->ticket,
- ssl->session_negotiate->ticket_len );
+ mbedtls_platform_zeroize( ssl->session_negotiate->ticket,
+ ssl->session_negotiate->ticket_len );
mbedtls_free( ssl->session_negotiate->ticket );
ssl->session_negotiate->ticket = NULL;
ssl->session_negotiate->ticket_len = 0;