mirror of
https://github.com/yuzu-emu/mbedtls.git
synced 2024-12-24 13:45:26 +00:00
Move session save/load function to ssl_tls.c
This finishes making these functions public. Next step is to get them tested, but there's currently a blocker for that, see next commit (and the commit after it for tests).
This commit is contained in:
parent
2843fe10b9
commit
91f4ca2ed1
|
@ -156,115 +156,6 @@ int mbedtls_ssl_ticket_setup( mbedtls_ssl_ticket_context *ctx,
|
|||
return( 0 );
|
||||
}
|
||||
|
||||
/*
|
||||
* 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:
|
||||
*
|
||||
|
@ -323,8 +214,9 @@ 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;
|
||||
|
@ -441,7 +333,7 @@ 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)
|
||||
|
|
|
@ -8767,6 +8767,117 @@ int mbedtls_ssl_get_session( const mbedtls_ssl_context *ssl, mbedtls_ssl_session
|
|||
}
|
||||
#endif /* MBEDTLS_SSL_CLI_C */
|
||||
|
||||
/*
|
||||
* 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
|
||||
*/
|
||||
int mbedtls_ssl_session_save( 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 mbedtls_ssl_session_save()
|
||||
*/
|
||||
int mbedtls_ssl_session_load( 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 );
|
||||
}
|
||||
|
||||
/*
|
||||
* Perform a single step of the SSL handshake
|
||||
*/
|
||||
|
|
Loading…
Reference in a new issue