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winhttp: Support receiving web socket buffer fragments. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2022-02-28 12:37:51 +01:00 committed by Alexandre Julliard
parent 003391dec8
commit 0fc08a974f
2 changed files with 59 additions and 9 deletions
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66
dlls/winhttp/request.c
View File

@ -3550,6 +3550,7 @@ static BOOL is_supported_opcode( enum socket_opcode opcode )
{
switch (opcode)
{
case SOCKET_OPCODE_CONTINUE:
case SOCKET_OPCODE_TEXT:
case SOCKET_OPCODE_BINARY:
case SOCKET_OPCODE_CLOSE:
@ -3562,7 +3563,7 @@ static BOOL is_supported_opcode( enum socket_opcode opcode )
}
}
static DWORD receive_frame( struct socket *socket, DWORD *ret_len, enum socket_opcode *opcode )
static DWORD receive_frame( struct socket *socket, DWORD *ret_len, enum socket_opcode *opcode, BOOL *final )
{
DWORD ret, len, count;
char hdr[2];
@ -3573,7 +3574,8 @@ static DWORD receive_frame( struct socket *socket, DWORD *ret_len, enum socket_o
return ERROR_WINHTTP_INVALID_SERVER_RESPONSE;
}
*opcode = hdr[0] & 0xf;
TRACE("received %02x frame\n", *opcode);
*final = hdr[0] & FIN_BIT;
TRACE("received %02x frame, final %#x\n", *opcode, *final);
len = hdr[1] & ~MASK_BIT;
if (len == 126)
@ -3720,18 +3722,49 @@ static DWORD handle_control_frame( struct socket *socket )
return ERROR_SUCCESS;
}
static WINHTTP_WEB_SOCKET_BUFFER_TYPE map_opcode( enum socket_opcode opcode, BOOL fragment )
static WINHTTP_WEB_SOCKET_BUFFER_TYPE map_opcode( struct socket *socket, enum socket_opcode opcode, BOOL fragment )
{
enum fragment_type frag_type = socket->receiving_fragment_type;
switch (opcode)
{
case SOCKET_OPCODE_TEXT:
if (fragment) return WINHTTP_WEB_SOCKET_UTF8_FRAGMENT_BUFFER_TYPE;
if (frag_type && frag_type != SOCKET_FRAGMENT_UTF8)
FIXME( "Received SOCKET_OPCODE_TEXT with prev fragment %u.\n", frag_type );
if (fragment)
{
socket->receiving_fragment_type = SOCKET_FRAGMENT_UTF8;
return WINHTTP_WEB_SOCKET_UTF8_FRAGMENT_BUFFER_TYPE;
}
socket->receiving_fragment_type = SOCKET_FRAGMENT_NONE;
return WINHTTP_WEB_SOCKET_UTF8_MESSAGE_BUFFER_TYPE;
case SOCKET_OPCODE_BINARY:
if (fragment) return WINHTTP_WEB_SOCKET_BINARY_FRAGMENT_BUFFER_TYPE;
if (frag_type && frag_type != SOCKET_FRAGMENT_BINARY)
FIXME( "Received SOCKET_OPCODE_BINARY with prev fragment %u.\n", frag_type );
if (fragment)
{
socket->receiving_fragment_type = SOCKET_FRAGMENT_BINARY;
return WINHTTP_WEB_SOCKET_BINARY_FRAGMENT_BUFFER_TYPE;
}
socket->receiving_fragment_type = SOCKET_FRAGMENT_NONE;
return WINHTTP_WEB_SOCKET_BINARY_MESSAGE_BUFFER_TYPE;
case SOCKET_OPCODE_CONTINUE:
if (!frag_type)
{
FIXME( "Received SOCKET_OPCODE_CONTINUE without starting fragment.\n" );
return ~0u;
}
if (fragment)
{
return frag_type == SOCKET_FRAGMENT_BINARY ? WINHTTP_WEB_SOCKET_BINARY_FRAGMENT_BUFFER_TYPE
: WINHTTP_WEB_SOCKET_UTF8_FRAGMENT_BUFFER_TYPE;
}
socket->receiving_fragment_type = SOCKET_FRAGMENT_NONE;
return frag_type == SOCKET_FRAGMENT_BINARY ? WINHTTP_WEB_SOCKET_BINARY_MESSAGE_BUFFER_TYPE
: WINHTTP_WEB_SOCKET_UTF8_MESSAGE_BUFFER_TYPE;
case SOCKET_OPCODE_CLOSE:
return WINHTTP_WEB_SOCKET_CLOSE_BUFFER_TYPE;
@ -3744,13 +3777,14 @@ static WINHTTP_WEB_SOCKET_BUFFER_TYPE map_opcode( enum socket_opcode opcode, BOO
static DWORD socket_receive( struct socket *socket, void *buf, DWORD len, DWORD *ret_len,
WINHTTP_WEB_SOCKET_BUFFER_TYPE *ret_type )
{
BOOL final = socket->last_receive_final;
DWORD count, ret = ERROR_SUCCESS;
if (!socket->read_size)
{
for (;;)
{
if (!(ret = receive_frame( socket, &socket->read_size, &socket->opcode )))
if (!(ret = receive_frame( socket, &socket->read_size, &socket->opcode, &final )))
{
if (!(socket->opcode & CONTROL_BIT) || (ret = handle_control_frame( socket ))
|| socket->opcode == SOCKET_OPCODE_CLOSE) break;
@ -3759,7 +3793,11 @@ static DWORD socket_receive( struct socket *socket, void *buf, DWORD len, DWORD
if (ret) break;
}
}
if (!ret) ret = receive_bytes( socket, buf, min(len, socket->read_size), &count, FALSE );
if (!ret)
{
socket->last_receive_final = final;
ret = receive_bytes( socket, buf, min(len, socket->read_size), &count, FALSE );
}
if (!ret)
{
if (count < socket->read_size)
@ -3767,7 +3805,14 @@ static DWORD socket_receive( struct socket *socket, void *buf, DWORD len, DWORD
socket->read_size -= count;
*ret_len = count;
*ret_type = map_opcode( socket->opcode, socket->read_size != 0 );
*ret_type = map_opcode( socket, socket->opcode, !final || socket->read_size != 0 );
TRACE( "len %lu, *ret_len %lu, *ret_type %u.\n", len, *ret_len, *ret_type );
if (*ret_type == ~0u)
{
FIXME( "Unexpected opcode %u.\n", socket->opcode );
socket->read_size = 0;
return ERROR_WINHTTP_INVALID_SERVER_RESPONSE;
}
}
return ret;
}
@ -3978,6 +4023,7 @@ DWORD WINAPI WinHttpWebSocketShutdown( HINTERNET hsocket, USHORT status, void *r
static DWORD socket_close( struct socket *socket )
{
BOOL final = FALSE;
DWORD ret, count;
if (socket->close_frame_received) return socket->close_frame_receive_err;
@ -3986,12 +4032,14 @@ static DWORD socket_close( struct socket *socket )
while (1)
{
if ((ret = receive_frame( socket, &count, &socket->opcode ))) return ret;
if ((ret = receive_frame( socket, &count, &socket->opcode, &final ))) return ret;
if (socket->opcode == SOCKET_OPCODE_CLOSE) break;
socket->read_size = count;
if ((ret = socket_drain( socket ))) return ret;
}
if (!final)
FIXME( "Received close opcode without FIN bit.\n" );
return receive_close_status( socket, count );
}

2
dlls/winhttp/winhttp_private.h
View File

@ -269,6 +269,8 @@ struct socket
SRWLOCK send_lock;
volatile LONG pending_noncontrol_send;
enum fragment_type sending_fragment_type;
enum fragment_type receiving_fragment_type;
BOOL last_receive_final;
};
struct send_request