gitee.com/mysnapcore/mysnapd@v0.1.0/interfaces/builtin/ptp.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2020 Canonical Ltd
     5   *
     6   * This program is free software: you can redistribute it and/or modify
     7   * it under the terms of the GNU General Public License version 3 as
     8   * published by the Free Software Foundation.
     9   *
    10   * This program is distributed in the hope that it will be useful,
    11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
    12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    13   * GNU General Public License for more details.
    14   *
    15   * You should have received a copy of the GNU General Public License
    16   * along with this program.  If not, see <http://www.gnu.org/licenses/>.
    17   *
    18   */
    19  
    20  package builtin
    21  
    22  const ptpSummary = `allows access to the PTP Hardware Clock subsystem`
    23  
    24  const ptpBaseDeclarationSlots = `
    25    ptp:
    26      allow-installation:
    27        slot-snap-type:
    28          - core
    29      deny-auto-connection: true
    30  `
    31  
    32  const ptpConnectedPlugAppArmor = `
    33  # Description: Can access PTP Hardware Clock subsystem.
    34  # Devices
    35  /dev/ptp[0-9]* rw,
    36  # /sys/class/ptp specified by the kernel docs
    37  /sys/class/ptp/ptp[0-9]*/{extts_enable,period,pps_enable} w,
    38  /sys/class/ptp/ptp[0-9]*/* r,
    39  `
    40  
    41  var ptpConnectedPlugUDev = []string{
    42  	`SUBSYSTEM=="ptp", KERNEL=="ptp[0-9]*"`,
    43  }
    44  
    45  func init() {
    46  	registerIface(&commonInterface{
    47  		name:                  "ptp",
    48  		summary:               ptpSummary,
    49  		implicitOnCore:        true,
    50  		implicitOnClassic:     true,
    51  		baseDeclarationSlots:  ptpBaseDeclarationSlots,
    52  		connectedPlugAppArmor: ptpConnectedPlugAppArmor,
    53  		connectedPlugUDev:     ptpConnectedPlugUDev,
    54  	})
    55  }