cscg24-guacamole

CSCG 2024 Challenge 'Guacamole Mashup'
git clone https://git.sinitax.com/sinitax/cscg24-guacamole
Log | Files | Refs | sfeed.txt

argv.c (3415B)

      1/*
      2 * Licensed to the Apache Software Foundation (ASF) under one
      3 * or more contributor license agreements.  See the NOTICE file
      4 * distributed with this work for additional information
      5 * regarding copyright ownership.  The ASF licenses this file
      6 * to you under the Apache License, Version 2.0 (the
      7 * "License"); you may not use this file except in compliance
      8 * with the License.  You may obtain a copy of the License at
      9 *
     10 *   http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing,
     13 * software distributed under the License is distributed on an
     14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     15 * KIND, either express or implied.  See the License for the
     16 * specific language governing permissions and limitations
     17 * under the License.
     18 */
     19
     20#include "config.h"
     21#include "argv.h"
     22#include "ssh.h"
     23#include "terminal/terminal.h"
     24
     25#include <guacamole/protocol.h>
     26#include <guacamole/socket.h>
     27#include <guacamole/user.h>
     28
     29#include <pthread.h>
     30#include <stdio.h>
     31#include <stdlib.h>
     32#include <string.h>
     33
     34int guac_ssh_argv_callback(guac_user* user, const char* mimetype,
     35        const char* name, const char* value, void* data) {
     36
     37    guac_client* client = user->client;
     38    guac_ssh_client* ssh_client = (guac_ssh_client*) client->data;
     39    guac_terminal* terminal = ssh_client->term;
     40
     41    /* Update color scheme */
     42    if (strcmp(name, GUAC_SSH_ARGV_COLOR_SCHEME) == 0)
     43        guac_terminal_apply_color_scheme(terminal, value);
     44
     45    /* Update font name */
     46    else if (strcmp(name, GUAC_SSH_ARGV_FONT_NAME) == 0)
     47        guac_terminal_apply_font(terminal, value, -1, 0);
     48
     49    /* Update only if font size is sane */
     50    else if (strcmp(name, GUAC_SSH_ARGV_FONT_SIZE) == 0) {
     51        int size = atoi(value);
     52        if (size > 0)
     53            guac_terminal_apply_font(terminal, NULL, size,
     54                    ssh_client->settings->resolution);
     55    }
     56
     57    /* Update SSH pty size if connected */
     58    int term_width = guac_terminal_get_columns(terminal);
     59    int term_height = guac_terminal_get_rows(terminal);
     60    if (ssh_client->term_channel != NULL) {
     61        pthread_mutex_lock(&(ssh_client->term_channel_lock));
     62        libssh2_channel_request_pty_size(ssh_client->term_channel,
     63                term_width, term_height);
     64        pthread_mutex_unlock(&(ssh_client->term_channel_lock));
     65    }
     66
     67    return 0;
     68
     69}
     70
     71void* guac_ssh_send_current_argv(guac_user* user, void* data) {
     72
     73    /* Defer to the batch handler, using the user's socket to send the data */
     74    guac_ssh_send_current_argv_batch(user->client, user->socket);
     75
     76    return NULL;
     77
     78}
     79
     80void guac_ssh_send_current_argv_batch(guac_client* client, guac_socket* socket) {
     81
     82    guac_ssh_client* ssh_client = (guac_ssh_client*) client->data;
     83    guac_terminal* terminal = ssh_client->term;
     84
     85    /* Send current color scheme */
     86    guac_client_stream_argv(client, socket, "text/plain",
     87            GUAC_SSH_ARGV_COLOR_SCHEME,
     88            guac_terminal_get_color_scheme(terminal));
     89
     90    /* Send current font name */
     91    guac_client_stream_argv(client, socket, "text/plain",
     92            GUAC_SSH_ARGV_FONT_NAME,
     93            guac_terminal_get_font_name(terminal));
     94
     95    /* Send current font size */
     96    char font_size[64];
     97    sprintf(font_size, "%i", guac_terminal_get_font_size(terminal));
     98    guac_client_stream_argv(client, socket, "text/plain",
     99            GUAC_SSH_ARGV_FONT_SIZE, font_size);
    100
    101}
    102