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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2016-2018 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 processControlSummary = `allows controlling other processes`
const processControlBaseDeclarationSlots = `
process-control:
allow-installation:
slot-snap-type:
- core
deny-auto-connection: true
`
const processControlConnectedPlugAppArmor = `
# Description: This interface allows for controlling other processes via
# signals, cpu affinity and nice. This is reserved because it grants privileged
# access to all processes under root or processes running under the same UID
# otherwise.
# Note: Scope augmented by allowing read/write for /proc/self_pid/coredump_filter
# (needed by opensearch)
# /{,usr/}bin/nice is already in default policy
/{,usr/}bin/renice ixr,
/{,usr/}bin/taskset ixr,
capability sys_resource,
capability sys_nice,
capability kill,
signal (send),
/{,usr/}bin/kill ixr,
/{,usr/}bin/pkill ixr,
@{PROC}/[0-9]*/coredump_filter wr,
`
const processControlConnectedPlugSecComp = `
# Description: This interface allows for controlling other processes via
# signals, cpu affinity and nice. This is reserved because it grants privileged
# access to all processes under root or processes running under the same UID
# otherwise.
# Allow setting the nice value/priority for any process
nice
setpriority
sched_setaffinity
sched_setattr
sched_setparam
sched_setscheduler
`
func init() {
registerIface(&commonInterface{
name: "process-control",
summary: processControlSummary,
implicitOnCore: true,
implicitOnClassic: true,
baseDeclarationSlots: processControlBaseDeclarationSlots,
connectedPlugAppArmor: processControlConnectedPlugAppArmor,
connectedPlugSecComp: processControlConnectedPlugSecComp,
})
}
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