1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright (C) 2006-2007 Red Hat, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
* Author: Alexander Larsson <alexl@redhat.com>
*/
#include <config.h>
#include <glib.h>
#include <glib/gi18n.h>
#include <glib/gstdio.h>
#include "gvfsdaemon.h"
#include "gvfsbackendtest.h"
#include <gvfsdaemonprotocol.h>
#include <gvfsutils.h>
#include "mount.h"
#include <locale.h>
static GMainLoop *loop;
static gboolean already_acquired = FALSE;
static int process_result = 0;
static void
on_name_lost (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
if (connection == NULL)
{
g_printerr ("A connection to the bus can't be made\n");
process_result = 1;
}
else
{
if (already_acquired)
{
g_printerr ("Got NameLost, some other instance replaced us\n");
}
else
{
g_printerr ("Failed to acquire daemon name, perhaps the VFS daemon is already running?\n");
process_result = 1;
}
}
g_main_loop_quit (loop);
}
static void
on_name_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
already_acquired = TRUE;
#ifdef HAVE_FUSE
gboolean no_fuse = GPOINTER_TO_UINT (user_data);
if (!no_fuse)
{
char *fuse_path;
char *argv2[6];
/* Use the old .gvfs location as fallback, not .cache/gvfs */
if (g_get_user_runtime_dir() == g_get_user_cache_dir ())
fuse_path = g_build_filename (g_get_home_dir(), ".gvfs", NULL);
else
fuse_path = g_build_filename (g_get_user_runtime_dir (), "gvfs", NULL);
if (!g_file_test (fuse_path, G_FILE_TEST_EXISTS))
g_mkdir (fuse_path, 0700);
/* The -f (foreground) option prevent libfuse to call daemon(). */
/* First, this is not required as g_spawn_async() already */
/* detach the process. Secondly, calling daemon() and then */
/* pthread_create() produce an undefined result accoring to */
/* Opengroup. On system with the uClibc library this will badly */
/* hang the process. */
argv2[0] = LIBEXEC_DIR "/gvfsd-fuse";
argv2[1] = fuse_path;
argv2[2] = "-f";
argv2[3] = NULL;
g_spawn_async (NULL,
argv2,
NULL,
G_SPAWN_LEAVE_DESCRIPTORS_OPEN,
NULL, NULL,
NULL, NULL);
g_free (fuse_path);
}
#endif
}
static void
on_bus_acquired (GDBusConnection *connection,
const gchar *name,
gpointer user_data)
{
if (!mount_init ())
{
/* we were not able to properly initialize ourselves, bail out */
g_main_loop_quit (loop);
return;
}
}
static void
daemon_shutdown (GVfsDaemon *daemon,
GMainLoop *loop)
{
if (g_main_loop_is_running (loop))
g_main_loop_quit (loop);
}
int
main (int argc, char *argv[])
{
GVfsDaemon *daemon;
gboolean replace;
gboolean no_fuse;
gboolean debugging;
gboolean show_version;
GError *error;
guint name_owner_id;
GBusNameOwnerFlags flags;
GOptionContext *context;
gchar *socket_dir;
const GOptionEntry options[] = {
{ "replace", 'r', 0, G_OPTION_ARG_NONE, &replace, N_("Replace old daemon."), NULL },
{ "no-fuse", 0, 0, G_OPTION_ARG_NONE, &no_fuse, N_("Don’t start fuse."), NULL },
{ "debug", 'd', 0, G_OPTION_ARG_NONE, &debugging, N_("Enable debug output."), NULL },
{ "version", 0, 0, G_OPTION_ARG_NONE, &show_version, N_("Show program version."), NULL},
{ NULL }
};
setlocale (LC_ALL, "");
bindtextdomain (GETTEXT_PACKAGE, GVFS_LOCALEDIR);
bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");
textdomain (GETTEXT_PACKAGE);
gvfs_setup_debug_handler ();
#ifdef SIGPIPE
signal (SIGPIPE, SIG_IGN);
#endif
g_set_application_name (_("GVFS Daemon"));
context = g_option_context_new ("");
g_option_context_set_summary (context, _("Main daemon for GVFS"));
g_option_context_add_main_entries (context, options, GETTEXT_PACKAGE);
replace = FALSE;
no_fuse = FALSE;
debugging = FALSE;
show_version = FALSE;
if (g_getenv ("GVFS_DISABLE_FUSE") != NULL)
no_fuse = TRUE;
error = NULL;
if (!g_option_context_parse (context, &argc, &argv, &error))
{
/* Translators: the first %s is the application name, */
/* the second %s is the error message */
g_printerr (_("%s: %s"), g_get_application_name(), error->message);
g_printerr ("\n");
g_printerr (_("Try “%s --help” for more information."),
g_get_prgname ());
g_printerr ("\n");
g_error_free (error);
g_option_context_free (context);
return 1;
}
g_option_context_free (context);
if (g_getenv ("GVFS_DEBUG"))
debugging = TRUE;
gvfs_set_debug (debugging);
if (show_version)
{
g_print (PACKAGE_STRING "\n");
return 0;
}
loop = g_main_loop_new (NULL, FALSE);
daemon = g_vfs_daemon_new (TRUE, replace);
if (daemon == NULL)
return 1;
/* This is needed for gvfsd-admin to ensure correct ownership. */
socket_dir = gvfs_get_socket_dir ();
g_mkdir (socket_dir, 0700);
g_free (socket_dir);
g_signal_connect (daemon, "shutdown",
G_CALLBACK (daemon_shutdown), loop);
flags = G_BUS_NAME_OWNER_FLAGS_ALLOW_REPLACEMENT;
if (replace)
flags |= G_BUS_NAME_OWNER_FLAGS_REPLACE;
name_owner_id = g_bus_own_name (G_BUS_TYPE_SESSION,
G_VFS_DBUS_DAEMON_NAME,
flags,
on_bus_acquired,
on_name_acquired,
on_name_lost,
GUINT_TO_POINTER (no_fuse),
NULL);
g_main_loop_run (loop);
mount_finalize ();
g_clear_object (&daemon);
if (name_owner_id != 0)
g_bus_unown_name (name_owner_id);
if (loop != NULL)
g_main_loop_unref (loop);
return process_result;
}
|
