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Pythian patch for bidirectional vnc clipboard

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This commit is contained in:
Jay Sorg 2015-01-23 11:11:47 -08:00
parent 9c5c0660b2
commit 402c143af9
1 changed files with 64 additions and 5 deletions
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69
vnc/vnc.c
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@ -154,20 +154,30 @@ lib_process_channel_data(struct vnc *v, int chanid, int flags, int size,
switch (type)
{
case 2: /* CLIPRDR_FORMAT_ANNOUNCE */
AS_LOG_MESSAGE(LOG_LEVEL_DEBUG, "CLIPRDR_FORMAT_ANNOUNCE - "
"status %d length %d", status, length);
// Send the CLIPRDR_DATA_REQUEST message to the cliprdr channel.
//
make_stream(out_s);
init_stream(out_s, 8192);
out_uint16_le(out_s, 3);
out_uint16_le(out_s, 1);
out_uint32_le(out_s, 0);
out_uint8s(out_s, 4); /* pad */
out_uint16_le(out_s, 4); // msg-type: CLIPRDR_DATA_REQUEST
out_uint16_le(out_s, 0); // msg-status-code: CLIPRDR_REQUEST
out_uint32_le(out_s, 4); // sizeof supported-format-list.
out_uint32_le(out_s, 1); // supported-format-list: CF_TEXT
out_uint8s(out_s, 0); // pad (garbage pad?)
s_mark_end(out_s);
length = (int)(out_s->end - out_s->data);
v->server_send_to_channel(v, v->clip_chanid, out_s->data, length, length, 3);
v->server_send_to_channel(v, v->clip_chanid, out_s->data,
length, length, 3);
free_stream(out_s);
break;
case 3: /* CLIPRDR_FORMAT_ACK */
AS_LOG_MESSAGE(LOG_LEVEL_DEBUG, "CLIPRDR_FORMAT_ACK - "
"status %d length %d", status, length);
break;
case 4: /* CLIPRDR_DATA_REQUEST */
AS_LOG_MESSAGE(LOG_LEVEL_DEBUG, "CLIPRDR_DATA_REQUEST - "
"status %d length %d", status, length);
format = 0;
if (length >= 4)
@ -217,6 +227,55 @@ lib_process_channel_data(struct vnc *v, int chanid, int flags, int size,
length, 3);
free_stream(out_s);
break;
case 5: /* CLIPRDR_DATA_RESPONSE */
AS_LOG_MESSAGE(LOG_LEVEL_DEBUG, "CLIPRDR_DATA_RESPONSE - "
"status %d length %d", status, length);
// - Read the response data from the cliprdr channel, stream 's'.
// - Send the response data to the vnc server, stream 'out_s'.
//
make_stream(out_s);
// Send the RFB message type (CLIENT_CUT_TEXT) to the vnc server.
init_stream(out_s, 8192);
out_uint8(out_s, 6); // RFB msg type: CLIENT_CUT_TEXT
out_uint8s(out_s, 3); // padding
lib_send(v, out_s->data, 4);
// Send the length of the cut-text to the vnc server.
init_stream(out_s, 8192);
out_uint32_be(out_s, length);
lib_send(v, out_s->data, 4);
// Send the cut-text (as read from 's') to the vnc server.
init_stream(out_s, 8192);
for (index = 0; index < length; index++)
{
char cur_char = '\0';
in_uint8(s, cur_char); // text in from 's'
out_uint8(out_s, cur_char); // text out to 'out_s'
}
lib_send(v, out_s->data, length);
free_stream(out_s);
// Now send a CLIPRDR_FORMAT_ACK to the cliprdr channel.
// This seems to be necessary for bi-directional copy/paste.
//
make_stream(out_s);
init_stream(out_s, 8192);
out_uint16_le(out_s, 3); // msg-type: CLIPRDR_FORMAT_ACK
out_uint16_le(out_s, 1); // msg-status-code: CLIPRDR_RESPONSE
out_uint32_le(out_s, 0); // null (?)
out_uint8s(out_s, 4); // pad
s_mark_end(out_s);
length = (int)(out_s->end - out_s->data);
v->server_send_to_channel(v, v->clip_chanid, out_s->data,
length, length, 3);
free_stream(out_s);
break;
default:
{
log_message(LOG_LEVEL_DEBUG, "VNC clip information unhandled");