1/* $Id$ */
2
3/***
4  This file is part of avahi.
5
6  avahi is free software; you can redistribute it and/or modify it
7  under the terms of the GNU Lesser General Public License as
8  published by the Free Software Foundation; either version 2.1 of the
9  License, or (at your option) any later version.
10
11  avahi is distributed in the hope that it will be useful, but WITHOUT
12  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
13  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
14  Public License for more details.
15
16  You should have received a copy of the GNU Lesser General Public
17  License along with avahi; if not, write to the Free Software
18  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
19  USA.
20***/
21
22#ifdef HAVE_CONFIG_H
23#include <config.h>
24#endif
25
26#include <string.h>
27#include <unistd.h>
28#include <errno.h>
29#include <stdlib.h>
30#include <locale.h>
31#include <getopt.h>
32
33#include <gtk/gtk.h>
34#include <glib/gi18n.h>
35
36#include <avahi-client/client.h>
37#include <avahi-common/strlst.h>
38#include <avahi-common/malloc.h>
39#include <avahi-common/domain.h>
40#include <avahi-common/i18n.h>
41
42#include "avahi-ui.h"
43
44typedef enum {
45    COMMAND_HELP,
46    COMMAND_SSH,
47    COMMAND_VNC,
48    COMMAND_SHELL
49} Command;
50
51typedef struct Config {
52    char *domain;
53    Command command;
54} Config;
55
56static void help(FILE *f, const char *argv0) {
57    fprintf(f,
58            _("%s [options]\n\n"
59              "    -h --help            Show this help\n"
60              "    -s --ssh             Browse SSH servers\n"
61              "    -v --vnc             Browse VNC servers\n"
62              "    -S --shell           Browse both SSH and VNC\n"
63              "    -d --domain=DOMAIN   The domain to browse in\n"),
64            argv0);
65}
66
67static int parse_command_line(Config *c, int argc, char *argv[]) {
68    int o;
69
70    static const struct option long_options[] = {
71        { "help",           no_argument,       NULL, 'h' },
72        { "ssh",            no_argument,       NULL, 's' },
73        { "vnc",            no_argument,       NULL, 'v' },
74        { "shell",          no_argument,       NULL, 'S' },
75        { "domain",         required_argument, NULL, 'd' },
76        { NULL, 0, NULL, 0 }
77    };
78
79    while ((o = getopt_long(argc, argv, "hVd:svS", long_options, NULL)) >= 0) {
80
81        switch(o) {
82            case 'h':
83                c->command = COMMAND_HELP;
84                break;
85            case 's':
86                c->command = COMMAND_SSH;
87                break;
88            case 'v':
89                c->command = COMMAND_VNC;
90                break;
91            case 'S':
92                c->command = COMMAND_SHELL;
93                break;
94            case 'd':
95                avahi_free(c->domain);
96                c->domain = avahi_strdup(optarg);
97                break;
98            default:
99                return -1;
100        }
101    }
102
103    if (optind < argc) {
104        fprintf(stderr, _("Too many arguments\n"));
105        return -1;
106    }
107
108    return 0;
109}
110
111int main(int argc, char*argv[]) {
112    GtkWidget *d;
113    Config config;
114    const char *argv0;
115
116    avahi_init_i18n();
117    setlocale(LC_ALL, "");
118
119    if ((argv0 = strrchr(argv[0], '/')))
120        argv0++;
121    else
122        argv0 = argv[0];
123
124    if (g_str_has_suffix(argv[0], "bshell"))
125        config.command = COMMAND_SHELL;
126    else if (g_str_has_suffix(argv[0], "bvnc"))
127        config.command = COMMAND_VNC;
128    else
129        config.command = COMMAND_SSH;
130
131    /* defaults to local */
132    config.domain = NULL;
133
134    if (parse_command_line(&config, argc, argv) < 0) {
135        help(stderr, argv0);
136        return 1;
137    }
138
139    bindtextdomain (GETTEXT_PACKAGE, GNOMELOCALEDIR);
140    bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
141    textdomain (GETTEXT_PACKAGE);
142
143    gtk_init(&argc, &argv);
144
145    switch (config.command) {
146        case COMMAND_HELP:
147            help(stdout, argv0);
148            return 0;
149            break;
150
151        case COMMAND_SHELL:
152            d = aui_service_dialog_new(_("Choose Shell Server"), NULL, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_CONNECT, GTK_RESPONSE_ACCEPT, NULL);
153            aui_service_dialog_set_browse_service_types(AUI_SERVICE_DIALOG(d), "_rfb._tcp", "_ssh._tcp", NULL);
154            aui_service_dialog_set_service_type_name(AUI_SERVICE_DIALOG(d), "_rfb._tcp", _("Desktop"));
155            aui_service_dialog_set_service_type_name(AUI_SERVICE_DIALOG(d), "_ssh._tcp", _("Terminal"));
156            break;
157
158        case COMMAND_VNC:
159            d = aui_service_dialog_new(_("Choose VNC server"), NULL, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_CONNECT, GTK_RESPONSE_ACCEPT, NULL);
160            aui_service_dialog_set_browse_service_types(AUI_SERVICE_DIALOG(d), "_rfb._tcp", NULL);
161            break;
162
163        case COMMAND_SSH:
164            d = aui_service_dialog_new(_("Choose SSH server"), NULL, GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL, GTK_STOCK_CONNECT, GTK_RESPONSE_ACCEPT, NULL);
165            aui_service_dialog_set_browse_service_types(AUI_SERVICE_DIALOG(d), "_ssh._tcp", NULL);
166            break;
167    }
168
169    aui_service_dialog_set_domain (AUI_SERVICE_DIALOG(d), config.domain);
170    aui_service_dialog_set_resolve_service(AUI_SERVICE_DIALOG(d), TRUE);
171    aui_service_dialog_set_resolve_host_name(AUI_SERVICE_DIALOG(d), !avahi_nss_support());
172
173    gtk_window_present(GTK_WINDOW(d));
174
175    if (gtk_dialog_run(GTK_DIALOG(d)) == GTK_RESPONSE_ACCEPT) {
176        char a[AVAHI_ADDRESS_STR_MAX], *u = NULL, *n = NULL;
177        char *h = NULL, *t = NULL;
178        const AvahiStringList *txt;
179
180        t = g_strdup(aui_service_dialog_get_service_type(AUI_SERVICE_DIALOG(d)));
181        n = g_strdup(aui_service_dialog_get_service_name(AUI_SERVICE_DIALOG(d)));
182
183        if (avahi_nss_support())
184            h = g_strdup(aui_service_dialog_get_host_name(AUI_SERVICE_DIALOG(d)));
185        else
186            h = g_strdup(avahi_address_snprint(a, sizeof(a), aui_service_dialog_get_address(AUI_SERVICE_DIALOG(d))));
187
188        g_print(_("Connecting to '%s' ...\n"), n);
189
190        if (avahi_domain_equal(t, "_rfb._tcp")) {
191            char p[AVAHI_DOMAIN_NAME_MAX+16];
192            snprintf(p, sizeof(p), "%s:%u", h, aui_service_dialog_get_port(AUI_SERVICE_DIALOG(d))-5900);
193
194            gtk_widget_destroy(d);
195
196            g_print("vncviewer %s\n", p);
197            execlp("xvncviewer", "xvncviewer", p, NULL);
198            execlp("vncviewer", "vncviewer", p, NULL);
199
200        } else {
201            char p[16];
202
203            snprintf(p, sizeof(p), "%u", aui_service_dialog_get_port(AUI_SERVICE_DIALOG(d)));
204
205            for (txt = aui_service_dialog_get_txt_data(AUI_SERVICE_DIALOG(d)); txt; txt = txt->next) {
206                char *key, *value;
207
208                if (avahi_string_list_get_pair((AvahiStringList*) txt, &key, &value, NULL) < 0)
209                    break;
210
211                if (strcmp(key, "u") == 0)
212                    u = g_strdup(value);
213
214                avahi_free(key);
215                avahi_free(value);
216            }
217
218            gtk_widget_destroy(d);
219
220            if (u) {
221                g_print("ssh -p %s -l %s %s\n", p, u, h);
222
223                if (isatty(0) || !getenv("DISPLAY"))
224                    execlp("ssh", "ssh", "-p", p, "-l", u, h, NULL);
225                else {
226                    execlp("x-terminal-emulator", "x-terminal-emulator", "-T", n, "-e", "ssh", "-p", p, "-l", u, h, NULL);
227                    execlp("gnome-terminal", "gnome-terminal", "-t", n, "-x", "ssh", "-p", p, "-l", u, h, NULL);
228                    execlp("xterm", "xterm", "-T", n, "-e", "ssh", "-p", p, "-l", u, h, NULL);
229                }
230            } else {
231                g_print("ssh -p %s %s\n", p, h);
232
233                if (isatty(0) || !getenv("DISPLAY"))
234                    execlp("ssh", "ssh", "-p", p, h, NULL);
235                else {
236                    execlp("x-terminal-emulator", "x-terminal-emulator", "-T", n, "-e", "ssh", "-p", p, h, NULL);
237                    execlp("gnome-terminal", "gnome-terminal", "-t", n, "-x", "ssh", "-p", p, h, NULL);
238                    execlp("xterm", "xterm", "-T", n, "-e", "ssh", "-p", p, h, NULL);
239                }
240            }
241        }
242
243        g_warning(_("execlp() failed: %s\n"), strerror(errno));
244
245        g_free(h);
246        g_free(u);
247        g_free(t);
248        g_free(n);
249
250    } else {
251        gtk_widget_destroy(d);
252
253        g_print(_("Canceled.\n"));
254    }
255
256    g_free(config.domain);
257
258    return 1;
259}
260