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No memmove: ssl_parse_client_key_exchange()

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Manuel Pégourié-Gonnard 2014-09-10 13:59:41 +00:00 committed by Paul Bakker
parent f49a7daa1a
commit 2114d724dc
1 changed files with 5 additions and 21 deletions
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26
library/ssl_srv.c
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@ -3007,6 +3007,7 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
{
int ret;
const ssl_ciphersuite_t *ciphersuite_info;
unsigned char *p, *end;
ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
@ -3018,7 +3019,8 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
return( ret );
}
ssl_hs_rm_dtls_hdr( ssl );
p = ssl->in_msg + ssl_hs_hdr_len( ssl );
end = ssl->in_msg + ssl->in_hslen;
if( ssl->in_msgtype != SSL_MSG_HANDSHAKE )
{
@ -3035,9 +3037,6 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED)
if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_RSA )
{
unsigned char *p = ssl->in_msg + 4;
unsigned char *end = ssl->in_msg + ssl->in_hslen;
if( ( ret = ssl_parse_client_dh_public( ssl, &p, end ) ) != 0 )
{
SSL_DEBUG_RET( 1, ( "ssl_parse_client_dh_public" ), ret );
@ -3075,7 +3074,7 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDH_ECDSA )
{
if( ( ret = ecdh_read_public( &ssl->handshake->ecdh_ctx,
ssl->in_msg + 4, ssl->in_hslen - 4 ) ) != 0 )
p, end - p) ) != 0 )
{
SSL_DEBUG_RET( 1, "ecdh_read_public", ret );
return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_RP );
@ -3103,9 +3102,6 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK )
{
unsigned char *p = ssl->in_msg + 4;
unsigned char *end = ssl->in_msg + ssl->in_hslen;
if( ( ret = ssl_parse_client_psk_identity( ssl, &p, end ) ) != 0 )
{
SSL_DEBUG_RET( 1, ( "ssl_parse_client_psk_identity" ), ret );
@ -3130,9 +3126,6 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
#if defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED)
if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK )
{
unsigned char *p = ssl->in_msg + 4;
unsigned char *end = ssl->in_msg + ssl->in_hslen;
if( ( ret = ssl_parse_client_psk_identity( ssl, &p, end ) ) != 0 )
{
SSL_DEBUG_RET( 1, ( "ssl_parse_client_psk_identity" ), ret );
@ -3157,9 +3150,6 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
#if defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED)
if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK )
{
unsigned char *p = ssl->in_msg + 4;
unsigned char *end = ssl->in_msg + ssl->in_hslen;
if( ( ret = ssl_parse_client_psk_identity( ssl, &p, end ) ) != 0 )
{
SSL_DEBUG_RET( 1, ( "ssl_parse_client_psk_identity" ), ret );
@ -3189,9 +3179,6 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK )
{
unsigned char *p = ssl->in_msg + 4;
unsigned char *end = ssl->in_msg + ssl->in_hslen;
if( ( ret = ssl_parse_client_psk_identity( ssl, &p, end ) ) != 0 )
{
SSL_DEBUG_RET( 1, ( "ssl_parse_client_psk_identity" ), ret );
@ -3219,10 +3206,7 @@ static int ssl_parse_client_key_exchange( ssl_context *ssl )
#if defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED)
if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA )
{
if( ( ret = ssl_parse_encrypted_pms( ssl,
ssl->in_msg + 4,
ssl->in_msg + ssl->in_hslen,
0 ) ) != 0 )
if( ( ret = ssl_parse_encrypted_pms( ssl, p, end, 0 ) ) != 0 )
{
SSL_DEBUG_RET( 1, ( "ssl_parse_parse_encrypted_pms_secret" ), ret );
return( ret );