guacamole-spice-protocol/src/protocols/ssh/guac_handlers.c

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/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
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#include "config.h"
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#include "client.h"
#include "guac_handlers.h"
#include "terminal.h"
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#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
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#include <sys/select.h>
#include <sys/stat.h>
#include <cairo/cairo.h>
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#include <guacamole/socket.h>
#include <guacamole/protocol.h>
#include <guacamole/client.h>
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#include <libssh2.h>
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#include <pango/pangocairo.h>
int ssh_guac_client_handle_messages(guac_client* client) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
return guac_terminal_render_frame(client_data->term);
}
int ssh_guac_client_mouse_handler(guac_client* client, int x, int y, int mask) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
guac_terminal* term = client_data->term;
/* Send mouse event */
guac_terminal_send_mouse(term, x, y, mask);
return 0;
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}
int ssh_guac_client_key_handler(guac_client* client, int keysym, int pressed) {
ssh_guac_client_data* client_data = (ssh_guac_client_data*) client->data;
guac_terminal* term = client_data->term;
/* Send key */
guac_terminal_send_key(term, keysym, pressed);
return 0;
}
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int ssh_guac_client_size_handler(guac_client* client, int width, int height) {
/* Get terminal */
ssh_guac_client_data* guac_client_data = (ssh_guac_client_data*) client->data;
guac_terminal* terminal = guac_client_data->term;
/* Resize terminal */
guac_terminal_resize(terminal, width, height);
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/* Update SSH pty size if connected */
if (guac_client_data->term_channel != NULL)
libssh2_channel_request_pty_size(guac_client_data->term_channel,
terminal->term_width, terminal->term_height);
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return 0;
}
int ssh_guac_client_free_handler(guac_client* client) {
ssh_guac_client_data* guac_client_data = (ssh_guac_client_data*) client->data;
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/* Close SSH channel */
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if (guac_client_data->term_channel != NULL) {
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libssh2_channel_send_eof(guac_client_data->term_channel);
libssh2_channel_close(guac_client_data->term_channel);
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}
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/* Free terminal */
guac_terminal_free(guac_client_data->term);
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pthread_join(guac_client_data->client_thread, NULL);
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/* Free channels */
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libssh2_channel_free(guac_client_data->term_channel);
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/* Clean up SFTP */
if (guac_client_data->sftp_session)
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libssh2_sftp_shutdown(guac_client_data->sftp_session);
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if (guac_client_data->sftp_ssh_session) {
libssh2_session_disconnect(guac_client_data->sftp_ssh_session, "Bye");
libssh2_session_free(guac_client_data->sftp_ssh_session);
}
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/* Free session */
if (guac_client_data->session != NULL)
libssh2_session_free(guac_client_data->session);
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/* Free auth key */
if (guac_client_data->key != NULL)
ssh_key_free(guac_client_data->key);
/* Free generic data struct */
free(client->data);
return 0;
}