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
|
#include "config.h"
#include <string.h>
#include <errno.h>
#include <gio/gio.h>
#include "xdg-app-portal-error.h"
#include "xdp-util.h"
const char **
xdg_unparse_permissions (XdpPermissionFlags permissions)
{
GPtrArray *array;
array = g_ptr_array_new ();
if (permissions & XDP_PERMISSION_FLAGS_READ)
g_ptr_array_add (array, "read");
if (permissions & XDP_PERMISSION_FLAGS_WRITE)
g_ptr_array_add (array, "write");
if (permissions & XDP_PERMISSION_FLAGS_GRANT_PERMISSIONS)
g_ptr_array_add (array, "grant-permissions");
if (permissions & XDP_PERMISSION_FLAGS_DELETE)
g_ptr_array_add (array, "delete");
g_ptr_array_add (array, NULL);
return (const char **)g_ptr_array_free (array, FALSE);
}
XdpPermissionFlags
xdp_parse_permissions (const char **permissions)
{
XdpPermissionFlags perms;
int i;
perms = 0;
for (i = 0; permissions[i]; i++)
{
if (strcmp (permissions[i], "read") == 0)
perms |= XDP_PERMISSION_FLAGS_READ;
else if (strcmp (permissions[i], "write") == 0)
perms |= XDP_PERMISSION_FLAGS_WRITE;
else if (strcmp (permissions[i], "grant-permissions") == 0)
perms |= XDP_PERMISSION_FLAGS_GRANT_PERMISSIONS;
else if (strcmp (permissions[i], "delete") == 0)
perms |= XDP_PERMISSION_FLAGS_DELETE;
else
g_warning ("No such permission: %s", permissions[i]);
}
return perms;
}
XdpPermissionFlags
xdp_entry_get_permissions (XdgAppDbEntry *entry,
const char *app_id)
{
g_autofree const char **permissions = NULL;
if (strcmp (app_id, "") == 0)
return XDP_PERMISSION_FLAGS_ALL;
permissions = xdg_app_db_entry_list_permissions (entry, app_id);
return xdp_parse_permissions (permissions);
}
gboolean
xdp_entry_has_permissions (XdgAppDbEntry *entry,
const char *app_id,
XdpPermissionFlags perms)
{
XdpPermissionFlags current_perms;
current_perms = xdp_entry_get_permissions (entry, app_id);
return (current_perms & perms) == perms;
}
guint32
xdp_id_from_name (const char *name)
{
return g_ascii_strtoull (name, NULL, 16);
}
char *
xdp_name_from_id (guint32 doc_id)
{
return g_strdup_printf ("%x", doc_id);
}
const char *
xdp_entry_get_path (XdgAppDbEntry *entry)
{
g_autoptr(GVariant) v = xdg_app_db_entry_get_data (entry);
g_autoptr(GVariant) c = g_variant_get_child_value (v, 0);
return g_variant_get_bytestring (c);
}
char *
xdp_entry_dup_basename (XdgAppDbEntry *entry)
{
const char *path = xdp_entry_get_path (entry);
return g_path_get_basename (path);
}
char *
xdp_entry_dup_dirname (XdgAppDbEntry *entry)
{
const char *path = xdp_entry_get_path (entry);
return g_path_get_dirname (path);
}
guint64
xdp_entry_get_device (XdgAppDbEntry *entry)
{
g_autoptr(GVariant) v = xdg_app_db_entry_get_data (entry);
g_autoptr(GVariant) c = g_variant_get_child_value (v, 1);
return g_variant_get_uint64 (c);
}
guint64
xdp_entry_get_inode (XdgAppDbEntry *entry)
{
g_autoptr(GVariant) v = xdg_app_db_entry_get_data (entry);
g_autoptr(GVariant) c = g_variant_get_child_value (v, 2);
return g_variant_get_uint64 (c);
}
guint32
xdp_entry_get_flags (XdgAppDbEntry *entry)
{
g_autoptr(GVariant) v = xdg_app_db_entry_get_data (entry);
g_autoptr(GVariant) c = g_variant_get_child_value (v, 3);
return g_variant_get_uint32 (c);
}
int
xdp_entry_open_dir (XdgAppDbEntry *entry)
{
g_autofree char *dirname = xdp_entry_dup_dirname (entry);
struct stat st_buf;
int fd;
fd = open (dirname, O_CLOEXEC | O_PATH | O_DIRECTORY);
if (fd == -1)
return -1;
if (fstat (fd, &st_buf) < 0)
{
close (fd);
errno = ENOENT;
return -1;
}
if (st_buf.st_ino != xdp_entry_get_inode (entry) ||
st_buf.st_dev != xdp_entry_get_device (entry))
{
close (fd);
errno = ENOENT;
return -1;
}
return fd;
}
int
xdp_entry_stat (XdgAppDbEntry *entry,
struct stat *buf,
int flags)
{
glnx_fd_close int fd = -1;
g_autofree char *basename = xdp_entry_dup_basename (entry);
fd = xdp_entry_open_dir (entry);
if (fd < 0)
return -1;
if (fstatat (fd, basename, buf, flags) != 0)
return -1;
return 0;
}
|
