/
system_packages_doc.go
137 lines (126 loc) · 5.28 KB
/
system_packages_doc.go
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
// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2020 Canonical Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3 as
* published by the Free Software Foundation.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
package builtin
import (
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/apparmor"
"github.com/snapcore/snapd/interfaces/mount"
"github.com/snapcore/snapd/osutil"
)
const systemPackagesDocSummary = `allows access to documentation of system packages`
const systemPackagesDocBaseDeclarationSlots = `
system-packages-doc:
allow-installation:
slot-snap-type:
- core
deny-auto-connection: true
`
const systemPackagesDocConnectedPlugAppArmor = `
# Description: can access documentation of system packages.
/usr/{,local/}share/doc/{,**} r,
/usr/share/cups/doc-root/{,**} r,
/usr/share/gimp/2.0/help/{,**} r,
/usr/share/gtk-doc/{,**} r,
/usr/share/libreoffice/help/{,**} r,
/usr/share/xubuntu-docs/{,**} r,
`
type systemPackagesDocInterface struct {
commonInterface
}
func (iface *systemPackagesDocInterface) AppArmorConnectedPlug(spec *apparmor.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.AddSnippet(systemPackagesDocConnectedPlugAppArmor)
emit := spec.AddUpdateNSf
emit(" # Mount documentation of system packages\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/share/doc/ -> /usr/share/doc/,\n")
emit(" remount options=(bind, ro) /usr/share/doc/,\n")
emit(" umount /usr/share/doc/,\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/local/share/doc/ -> /usr/local/share/doc/,\n")
emit(" remount options=(bind, ro) /usr/local/share/doc/,\n")
emit(" umount /usr/local/share/doc/,\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/share/cups/doc-root/ -> /usr/share/cups/doc-root/,\n")
emit(" remount options=(bind, ro) /usr/share/cups/doc-root/,\n")
emit(" umount /usr/share/cups/doc-root/,\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/share/gimp/2.0/help/ -> /usr/share/gimp/2.0/help/,\n")
emit(" remount options=(bind, ro) /usr/share/gimp/2.0/help/,\n")
emit(" umount /usr/share/gimp/2.0/help/,\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/share/gtk-doc/ -> /usr/share/gtk-doc/,\n")
emit(" remount options=(bind, ro) /usr/share/gtk-doc/,\n")
emit(" umount /usr/share/gtk-doc/,\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/share/libreoffice/help/ -> /usr/share/libreoffice/help/,\n")
emit(" remount options=(bind, ro) /usr/share/libreoffice/help/,\n")
emit(" umount /usr/share/libreoffice/help/,\n")
emit(" mount options=(bind) /var/lib/snapd/hostfs/usr/share/xubuntu-docs/ -> /usr/share/xubuntu-docs/,\n")
emit(" remount options=(bind, ro) /usr/share/xubuntu-docs/,\n")
emit(" umount /usr/share/xubuntu-docs/,\n")
// The mount targets under /usr/share/ do not necessarily exist in the
// base image, in which case, we need to create a writable mimic.
apparmor.GenWritableProfile(emit, "/usr/share/cups/", 3)
apparmor.GenWritableProfile(emit, "/usr/share/gimp/2.0/", 3)
apparmor.GenWritableProfile(emit, "/usr/share/libreoffice/", 3)
return nil
}
func (iface *systemPackagesDocInterface) MountConnectedPlug(spec *mount.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/share/doc",
Dir: "/usr/share/doc",
Options: []string{"bind", "ro"},
})
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/local/share/doc",
Dir: "/usr/local/share/doc",
Options: []string{"bind", "ro"},
})
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/share/cups/doc-root",
Dir: "/usr/share/cups/doc-root",
Options: []string{"bind", "ro"},
})
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/share/gimp/2.0/help",
Dir: "/usr/share/gimp/2.0/help",
Options: []string{"bind", "ro"},
})
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/share/gtk-doc",
Dir: "/usr/share/gtk-doc",
Options: []string{"bind", "ro"},
})
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/share/libreoffice/help",
Dir: "/usr/share/libreoffice/help",
Options: []string{"bind", "ro"},
})
spec.AddMountEntry(osutil.MountEntry{
Name: "/var/lib/snapd/hostfs/usr/share/xubuntu-docs",
Dir: "/usr/share/xubuntu-docs",
Options: []string{"bind", "ro"},
})
return nil
}
func init() {
registerIface(&systemPackagesDocInterface{
commonInterface: commonInterface{
name: "system-packages-doc",
summary: systemPackagesDocSummary,
implicitOnClassic: true,
baseDeclarationSlots: systemPackagesDocBaseDeclarationSlots,
// affects the plug snap because of mount backend
affectsPlugOnRefresh: true,
},
})
}