1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright 2018, Red Hat, Inc.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2.1 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
17 */
18
19 #include "config.h"
20
21 #include <sys/stat.h>
22 #include <fcntl.h>
23 #include <errno.h>
24 #include <string.h>
25
26 #include "gtrashportal.h"
27 #include "xdp-dbus.h"
28 #include "gstdio.h"
29
30 #ifdef G_OS_UNIX
31 #include "gunixfdlist.h"
32 #endif
33
34 #ifndef O_CLOEXEC
35 #define O_CLOEXEC 0
36 #else
37 #define HAVE_O_CLOEXEC 1
38 #endif
39
40 #ifndef O_PATH
41 #define O_PATH 0
42 #endif
43
44 static GXdpTrash *
ensure_trash_portal(void)45 ensure_trash_portal (void)
46 {
47 static GXdpTrash *trash = NULL;
48
49 if (g_once_init_enter (&trash))
50 {
51 GDBusConnection *connection = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
52 GXdpTrash *proxy = NULL;
53
54 if (connection != NULL)
55 {
56 proxy = gxdp_trash_proxy_new_sync (connection, 0,
57 "org.freedesktop.portal.Desktop",
58 "/org/freedesktop/portal/desktop",
59 NULL, NULL);
60 g_object_unref (connection);
61 }
62
63 g_once_init_leave (&trash, proxy);
64 }
65
66 return trash;
67 }
68
69 gboolean
g_trash_portal_trash_file(GFile * file,GError ** error)70 g_trash_portal_trash_file (GFile *file,
71 GError **error)
72 {
73 char *path = NULL;
74 GUnixFDList *fd_list = NULL;
75 int fd, fd_in, errsv;
76 gboolean ret = FALSE;
77 guint portal_result = 0;
78 GXdpTrash *proxy;
79
80 proxy = ensure_trash_portal ();
81 if (proxy == NULL)
82 {
83 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_INITIALIZED,
84 "Trash portal is not available");
85 goto out;
86 }
87
88 path = g_file_get_path (file);
89
90 fd = g_open (path, O_RDWR | O_CLOEXEC | O_NOFOLLOW);
91 if (fd == -1 && errno == EISDIR)
92 /* If it is a directory, fall back to O_PATH */
93 fd = g_open (path, O_PATH | O_CLOEXEC | O_RDONLY | O_NOFOLLOW);
94
95 errsv = errno;
96
97 if (fd == -1)
98 {
99 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errsv),
100 "Failed to open %s", path);
101 goto out;
102 }
103
104 #ifndef HAVE_O_CLOEXEC
105 fcntl (fd, F_SETFD, FD_CLOEXEC);
106 #endif
107
108 fd_list = g_unix_fd_list_new ();
109 fd_in = g_unix_fd_list_append (fd_list, fd, error);
110 g_close (fd, NULL);
111
112 if (fd_in == -1)
113 goto out;
114
115 ret = gxdp_trash_call_trash_file_sync (proxy,
116 g_variant_new_handle (fd_in),
117 fd_list,
118 &portal_result,
119 NULL,
120 NULL,
121 error);
122
123 if (ret && portal_result != 1)
124 {
125 g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Trash portal failed on %s", path);
126 ret = FALSE;
127 }
128
129 out:
130 g_clear_object (&fd_list);
131 g_free (path);
132
133 return ret;
134 }
135