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Fix reusing session more than once

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Manuel Pégourié-Gonnard 2013-08-02 15:34:52 +02:00 committed by Paul Bakker
parent cf2e97eae2
commit 06650f6a37
3 changed files with 60 additions and 38 deletions
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7
include/polarssl/ssl.h
View file

@ -789,9 +789,14 @@ void ssl_set_session_cache( ssl_context *ssl,
* \param ssl SSL context
* \param session session context
*
* \return 0 if successful,
* POLARSSL_ERR_SSL_MALLOC_FAILED if memory allocation failed,
* POLARSSL_ERR_SSL_BAD_INPUT_DATA if used server-side or
* arguments are otherwise invalid
*
* \sa ssl_get_session()
*/
void ssl_set_session( ssl_context *ssl, const ssl_session *session );
int ssl_set_session( ssl_context *ssl, const ssl_session *session );
/**
* \brief Set the list of allowed ciphersuites

90
library/ssl_tls.c
View file

@ -76,6 +76,42 @@ static unsigned int mfl_code_to_length[SSL_MAX_FRAG_LEN_INVALID] =
4096, /* SSL_MAX_FRAG_LEN_4096 */
};
static int ssl_session_copy( ssl_session *dst, const ssl_session *src )
{
int ret;
ssl_session_free( dst );
memcpy( dst, src, sizeof( ssl_session ) );
#if defined(POLARSSL_X509_PARSE_C)
if( src->peer_cert != NULL )
{
if( ( dst->peer_cert = polarssl_malloc( sizeof(x509_cert) ) ) == NULL )
return( POLARSSL_ERR_SSL_MALLOC_FAILED );
memset( dst->peer_cert, 0, sizeof(x509_cert) );
if( ( ret = x509parse_crt( dst->peer_cert, src->peer_cert->raw.p,
src->peer_cert->raw.len ) != 0 ) )
{
polarssl_free( dst->peer_cert );
dst->peer_cert = NULL;
return( ret );
}
}
#endif /* POLARSSL_X509_PARSE_C */
if( src->ticket != NULL )
{
if( ( dst->ticket = polarssl_malloc( src->ticket_len ) ) == NULL )
return( POLARSSL_ERR_SSL_MALLOC_FAILED );
memcpy( dst->ticket, src->ticket, src->ticket_len );
}
return( 0 );
}
#if defined(POLARSSL_SSL_HW_RECORD_ACCEL)
int (*ssl_hw_record_init)(ssl_context *ssl,
const unsigned char *key_enc, const unsigned char *key_dec,
@ -2995,10 +3031,24 @@ void ssl_set_session_cache( ssl_context *ssl,
ssl->p_set_cache = p_set_cache;
}
void ssl_set_session( ssl_context *ssl, const ssl_session *session )
int ssl_set_session( ssl_context *ssl, const ssl_session *session )
{
memcpy( ssl->session_negotiate, session, sizeof(ssl_session) );
int ret;
if( ssl == NULL ||
session == NULL ||
ssl->session_negotiate == NULL ||
ssl->endpoint != SSL_IS_CLIENT )
{
return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
}
if( ( ret = ssl_session_copy( ssl->session_negotiate, session ) ) != 0 )
return( ret );
ssl->handshake->resume = 1;
return( 0 );
}
void ssl_set_ciphersuites( ssl_context *ssl, const int *ciphersuites )
@ -3230,9 +3280,6 @@ const x509_cert *ssl_get_peer_cert( const ssl_context *ssl )
int ssl_get_session( const ssl_context *ssl, ssl_session *dst )
{
int ret;
ssl_session *src;
if( ssl == NULL ||
dst == NULL ||
ssl->session == NULL ||
@ -3241,38 +3288,7 @@ int ssl_get_session( const ssl_context *ssl, ssl_session *dst )
return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
}
src = ssl->session;
ssl_session_free( dst );
memcpy( dst, src, sizeof( ssl_session ) );
#if defined(POLARSSL_X509_PARSE_C)
if( src->peer_cert != NULL )
{
if( ( dst->peer_cert = polarssl_malloc( sizeof(x509_cert) ) ) == NULL )
return( POLARSSL_ERR_SSL_MALLOC_FAILED );
memset( dst->peer_cert, 0, sizeof(x509_cert) );
if( ( ret = x509parse_crt( dst->peer_cert, src->peer_cert->raw.p,
src->peer_cert->raw.len ) != 0 ) )
{
polarssl_free( dst->peer_cert );
dst->peer_cert = NULL;
return( ret );
}
}
#endif /* POLARSSL_X509_PARSE_C */
if( src->ticket != NULL )
{
if( ( dst->ticket = polarssl_malloc( src->ticket_len ) ) == NULL )
return( POLARSSL_ERR_SSL_MALLOC_FAILED );
memcpy( dst->ticket, src->ticket, src->ticket_len );
}
return( 0 );
return( ssl_session_copy( dst, ssl->session ) );
}
/*

1
programs/ssl/ssl_client2.c
View file

@ -871,6 +871,7 @@ exit:
x509_free( &cacert );
rsa_free( &rsa );
#endif
ssl_session_free( &saved_session );
ssl_free( &ssl );
memset( &ssl, 0, sizeof( ssl ) );