1 /* GIO - GLib Input, Output and Streaming Library
2 *
3 * Copyright (C) 2006-2007 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 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, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
19 *
20 * Author: Alexander Larsson <alexl@redhat.com>
21 */
22
23 #include "config.h"
24 #include "glocalvfs.h"
25 #include "glocalfile.h"
26 #include "giomodule.h"
27 #include "giomodule-priv.h"
28 #include "gvfs.h"
29 #include <gio/gdummyfile.h>
30 #include <sys/types.h>
31 #ifdef HAVE_PWD_H
32 #include <pwd.h>
33 #endif
34 #include <string.h>
35
36 #include "gioalias.h"
37
38 struct _GLocalVfs
39 {
40 GVfs parent;
41 };
42
43 struct _GLocalVfsClass
44 {
45 GVfsClass parent_class;
46
47 };
48
49 #define g_local_vfs_get_type _g_local_vfs_get_type
50 G_DEFINE_TYPE_WITH_CODE (GLocalVfs, g_local_vfs, G_TYPE_VFS,
51 _g_io_modules_ensure_extension_points_registered ();
52 g_io_extension_point_implement (G_VFS_EXTENSION_POINT_NAME,
53 g_define_type_id,
54 "local",
55 0))
56 static void
g_local_vfs_finalize(GObject * object)57 g_local_vfs_finalize (GObject *object)
58 {
59 /* must chain up */
60 G_OBJECT_CLASS (g_local_vfs_parent_class)->finalize (object);
61 }
62
63 static void
g_local_vfs_init(GLocalVfs * vfs)64 g_local_vfs_init (GLocalVfs *vfs)
65 {
66 }
67
68 /**
69 * g_local_vfs_new:
70 *
71 * Returns a new #GVfs handle for a local vfs.
72 *
73 * Returns: a new #GVfs handle.
74 **/
75 GVfs *
_g_local_vfs_new(void)76 _g_local_vfs_new (void)
77 {
78 return g_object_new (G_TYPE_LOCAL_VFS, NULL);
79 }
80
81 static GFile *
g_local_vfs_get_file_for_path(GVfs * vfs,const char * path)82 g_local_vfs_get_file_for_path (GVfs *vfs,
83 const char *path)
84 {
85 return _g_local_file_new (path);
86 }
87
88 static GFile *
g_local_vfs_get_file_for_uri(GVfs * vfs,const char * uri)89 g_local_vfs_get_file_for_uri (GVfs *vfs,
90 const char *uri)
91 {
92 char *path;
93 GFile *file;
94 char *stripped_uri, *hash;
95
96 if (strchr (uri, '#') != NULL)
97 {
98 stripped_uri = g_strdup (uri);
99 hash = strchr (stripped_uri, '#');
100 *hash = 0;
101 }
102 else
103 stripped_uri = (char *)uri;
104
105 path = g_filename_from_uri (stripped_uri, NULL, NULL);
106
107 if (stripped_uri != uri)
108 g_free (stripped_uri);
109
110 if (path != NULL)
111 file = _g_local_file_new (path);
112 else
113 file = _g_dummy_file_new (uri);
114
115 g_free (path);
116
117 return file;
118 }
119
120 static const gchar * const *
g_local_vfs_get_supported_uri_schemes(GVfs * vfs)121 g_local_vfs_get_supported_uri_schemes (GVfs *vfs)
122 {
123 static const gchar * uri_schemes[] = { "file", NULL };
124
125 return uri_schemes;
126 }
127
128 static GFile *
g_local_vfs_parse_name(GVfs * vfs,const char * parse_name)129 g_local_vfs_parse_name (GVfs *vfs,
130 const char *parse_name)
131 {
132 GFile *file;
133 char *filename;
134 char *user_prefix;
135 const char *user_start, *user_end;
136 char *rest;
137
138 g_return_val_if_fail (G_IS_VFS (vfs), NULL);
139 g_return_val_if_fail (parse_name != NULL, NULL);
140
141 if (g_ascii_strncasecmp ("file:", parse_name, 5) == 0)
142 filename = g_filename_from_uri (parse_name, NULL, NULL);
143 else
144 {
145 if (*parse_name == '~')
146 {
147 parse_name ++;
148 user_start = parse_name;
149
150 while (*parse_name != 0 && *parse_name != '/')
151 parse_name++;
152
153 user_end = parse_name;
154
155 if (user_end == user_start)
156 user_prefix = g_strdup (g_get_home_dir ());
157 else
158 {
159 #ifdef HAVE_PWD_H
160 struct passwd *passwd_file_entry;
161 char *user_name;
162
163 user_name = g_strndup (user_start, user_end - user_start);
164 passwd_file_entry = getpwnam (user_name);
165 g_free (user_name);
166
167 if (passwd_file_entry != NULL &&
168 passwd_file_entry->pw_dir != NULL)
169 user_prefix = g_strdup (passwd_file_entry->pw_dir);
170 else
171 #endif
172 user_prefix = g_strdup (g_get_home_dir ());
173 }
174
175 rest = NULL;
176 if (*user_end != 0)
177 rest = g_filename_from_utf8 (user_end, -1, NULL, NULL, NULL);
178
179 filename = g_build_filename (user_prefix, rest, NULL);
180 g_free (rest);
181 g_free (user_prefix);
182 }
183 else
184 filename = g_filename_from_utf8 (parse_name, -1, NULL, NULL, NULL);
185 }
186
187 if (filename == NULL)
188 filename = g_strdup (parse_name);
189
190 file = _g_local_file_new (filename);
191 g_free (filename);
192
193 return file;
194 }
195
196 static gboolean
g_local_vfs_is_active(GVfs * vfs)197 g_local_vfs_is_active (GVfs *vfs)
198 {
199 return TRUE;
200 }
201
202 static void
g_local_vfs_class_init(GLocalVfsClass * class)203 g_local_vfs_class_init (GLocalVfsClass *class)
204 {
205 GObjectClass *object_class;
206 GVfsClass *vfs_class;
207
208 object_class = (GObjectClass *) class;
209
210 object_class->finalize = g_local_vfs_finalize;
211
212 vfs_class = G_VFS_CLASS (class);
213
214 vfs_class->is_active = g_local_vfs_is_active;
215 vfs_class->get_file_for_path = g_local_vfs_get_file_for_path;
216 vfs_class->get_file_for_uri = g_local_vfs_get_file_for_uri;
217 vfs_class->get_supported_uri_schemes = g_local_vfs_get_supported_uri_schemes;
218 vfs_class->parse_name = g_local_vfs_parse_name;
219 }
220