/**
* Callback for guac_client_foreach_user() which sends clipboard data to each
* connected client.
*
* @param user
* The user to send the clipboard data to.
*
* @param
* A pointer to the guac_common_clipboard structure containing the
* clipboard data that should be sent to the given user.
*
* @return
* Always NULL.
*/
static void* __send_user_clipboard(guac_user* user, void* data) {
guac_common_clipboard* clipboard = (guac_common_clipboard*) data;
char* current = clipboard->buffer;
int remaining = clipboard->length;
/* Begin stream */
guac_stream* stream = guac_user_alloc_stream(user);
guac_protocol_send_clipboard(user->socket, stream, clipboard->mimetype);
guac_user_log(user, GUAC_LOG_DEBUG,
"Created stream %i for %s clipboard data.",
stream->index, clipboard->mimetype);
/* Split clipboard into chunks */
while (remaining > 0) {
/* Calculate size of next block */
int block_size = GUAC_COMMON_CLIPBOARD_BLOCK_SIZE;
if (remaining < block_size)
block_size = remaining;
/* Send block */
guac_protocol_send_blob(user->socket, stream, current, block_size);
guac_user_log(user, GUAC_LOG_DEBUG,
"Sent %i bytes of clipboard data on stream %i.",
block_size, stream->index);
/* Next block */
remaining -= block_size;
current += block_size;
}
guac_user_log(user, GUAC_LOG_DEBUG,
"Clipboard stream %i complete.",
stream->index);
/* End stream */
guac_protocol_send_end(user->socket, stream);
guac_user_free_stream(user, stream);
return NULL;
}
void guac_rdp_process_cb_data_response(guac_client* client,
RDP_CB_DATA_RESPONSE_EVENT* event) {
/* Received clipboard data */
if (event->data[event->size - 1] == '\0') {
/* Free existing data */
free(((rdp_guac_client_data*) client->data)->clipboard);
/* Store clipboard data */
((rdp_guac_client_data*) client->data)->clipboard =
strdup((char*) event->data);
/* Send clipboard data */
guac_protocol_send_clipboard(client->socket, (char*) event->data);
}
else
guac_client_log_error(client,
"Clipboard data missing null terminator");
}
void test_instruction_write() {
int rfd, wfd;
int fd[2], childpid;
/* Create pipe */
CU_ASSERT_EQUAL_FATAL(pipe(fd), 0);
/* File descriptors */
rfd = fd[0];
wfd = fd[1];
/* Fork */
if ((childpid = fork()) == -1) {
/* ERROR */
perror("fork");
return;
}
/* Child (pipe writer) */
if (childpid != 0) {
guac_socket* socket;
close(rfd);
/* Open guac socket */
socket = guac_socket_open(wfd);
/* Write instruction */
guac_protocol_send_clipboard(socket, "a" UTF8_4 "b" UTF8_4 "c");
guac_protocol_send_sync(socket, 12345);
guac_socket_flush(socket);
guac_socket_close(socket);
exit(0);
}
/* Parent (unit test) */
else {
char expected[] =
"9.clipboard,11.a" UTF8_4 "b" UTF8_4 "c;"
"4.sync,5.12345;";
int numread;
char buffer[1024];
int offset = 0;
close(wfd);
/* Read everything available into buffer */
while ((numread =
read(rfd,
&(buffer[offset]),
sizeof(buffer)-offset)) != 0) {
offset += numread;
}
/* Add NULL terminator */
buffer[offset] = '\0';
/* Read value should be equal to expected value */
CU_ASSERT_STRING_EQUAL(buffer, expected);
}
}
