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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 2021 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/udev"
)
const rawInputSummary = `allows access to raw input devices`
const rawInputBaseDeclarationSlots = `
raw-input:
allow-installation:
slot-snap-type:
- core
deny-auto-connection: true
`
const rawInputConnectedPlugSecComp = `
# Description: Allow handling input devices.
# for udev
bind
socket AF_NETLINK - NETLINK_KOBJECT_UEVENT
`
const rawInputConnectedPlugAppArmor = `
# Description: Allow reading and writing to raw input devices
/dev/input/* rw,
# Allow reading for supported event reports for all input devices. See
# https://www.kernel.org/doc/Documentation/input/event-codes.txt
/sys/devices/**/input[0-9]*/capabilities/* r,
# For using udev
network netlink raw,
/run/udev/data/c13:[0-9]* r,
/run/udev/data/+input:input[0-9]* r,
`
var rawInputConnectedPlugUDev = []string{
`KERNEL=="event[0-9]*", SUBSYSTEM=="input"`,
`KERNEL=="mice"`,
`KERNEL=="mouse[0-9]*"`,
`KERNEL=="ts[0-9]*"`,
}
type rawInputInterface struct {
commonInterface
}
func (iface *rawInputInterface) UDevConnectedPlug(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
spec.TriggerSubsystem("input")
return iface.commonInterface.UDevConnectedPlug(spec, plug, slot)
}
func init() {
registerIface(&rawInputInterface{commonInterface{
name: "raw-input",
summary: rawInputSummary,
implicitOnCore: true,
implicitOnClassic: true,
baseDeclarationSlots: rawInputBaseDeclarationSlots,
connectedPlugSecComp: rawInputConnectedPlugSecComp,
connectedPlugAppArmor: rawInputConnectedPlugAppArmor,
connectedPlugUDev: rawInputConnectedPlugUDev,
}})
}
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