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gpg_keys.go
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gpg_keys.go
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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2017 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
const gpgKeysSummary = `allows reading gpg user configuration and keys and updating gpg's random seed file`
const gpgKeysBaseDeclarationSlots = `
gpg-keys:
allow-installation:
slot-snap-type:
- core
deny-auto-connection: true
`
const gpgKeysConnectedPlugAppArmor = `
# Description: Can read gpg user configuration as well as public and private
# keys. Also allows updating gpg's random seed file.
# Allow gpg encrypt, decrypt, list-keys, verify, sign, etc
/usr/bin/gpg{,1,2,v} ixr,
/usr/share/gnupg/options.skel r,
owner @{HOME}/.gnupg/{,**} r,
# gpg sometimes updates the trustdb to decide whether or not to update the
# trustdb. For now, silence the denial since no other policy references this
deny @{HOME}/.gnupg/trustdb.gpg w,
# 'wk' is required for gpg encrypt and sign unless --no-random-seed-file is
# used. Ideally we would not allow this access, but denying it causes gpg to
# hang for all applications that don't specify --no-random-seed-file. Allow it
# with the understanding that this interface already requires a high level of
# trust to access the user's keys and the level of trust for the random_seed
# is commensurate with accessing the private keys.
owner @{HOME}/.gnupg/random_seed wk,
`
func init() {
registerIface(&commonInterface{
name: "gpg-keys",
summary: gpgKeysSummary,
implicitOnCore: true,
implicitOnClassic: true,
baseDeclarationSlots: gpgKeysBaseDeclarationSlots,
connectedPlugAppArmor: gpgKeysConnectedPlugAppArmor,
})
}