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