126 lines
3.8 KiB
C
126 lines
3.8 KiB
C
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is libguac-client-ssh.
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*
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* The Initial Developer of the Original Code is
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* Michael Jumper.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <stdlib.h>
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#include <string.h>
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#include <libssh/libssh.h>
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#include <cairo/cairo.h>
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#include <pango/pangocairo.h>
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#include <guacamole/log.h>
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#include <guacamole/guacio.h>
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#include <guacamole/protocol.h>
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#include <guacamole/client.h>
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#include "ssh_handlers.h"
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#include "ssh_client.h"
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int ssh_guac_client_handle_messages(guac_client* client) {
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GUACIO* io = client->io;
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ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
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char buffer[8192];
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ssh_channel read_channels[2];
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struct timeval timeout;
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/* Channels to read */
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read_channels[0] = client_data->term_channel;
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read_channels[1] = NULL;
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/* Time to wait */
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timeout.tv_sec = GUAC_SYNC_FREQUENCY / 1000;
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timeout.tv_usec = (GUAC_SYNC_FREQUENCY % 1000) * 1000;
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/* Wait for data to be available */
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if (channel_select(read_channels, NULL, NULL, &timeout) == SSH_OK) {
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int bytes_read = 0;
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/* While data available, write to terminal */
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while (channel_is_open(client_data->term_channel)
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&& !channel_is_eof(client_data->term_channel)
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&& (bytes_read = channel_read_nonblocking(client_data->term_channel, buffer, sizeof(buffer), 0)) > 0) {
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ssh_guac_terminal_write(client_data->term, buffer, bytes_read);
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guac_flush(io);
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}
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/* Notify on error */
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if (bytes_read < 0) {
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guac_send_error(io, "Error reading data.");
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guac_flush(io);
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return 1;
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}
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}
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return 0;
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}
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int ssh_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
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ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
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/* If key pressed */
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if (pressed) {
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char data;
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/* If simple ASCII key */
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if (keysym >= 0x00 && keysym <= 0xFF)
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data = (char) keysym;
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else if (keysym == 0xFF08) data = 0x08;
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else if (keysym == 0xFF09) data = 0x09;
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else if (keysym == 0xFF0D) data = 0x0D;
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else
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return 0;
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return channel_write(client_data->term_channel, &data, 1);
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}
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return 0;
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}
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