github.com/kubiko/snapd@v0.0.0-20201013125620-d4f3094d9ddf/interfaces/builtin/tpm.go (about)

     1  // -*- Mode: Go; indent-tabs-mode: t -*-
     2  
     3  /*
     4   * Copyright (C) 2016-2017 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 tpmSummary = `allows access to the Trusted Platform Module device`
    23  
    24  const tpmBaseDeclarationSlots = `
    25    tpm:
    26      allow-installation:
    27        slot-snap-type:
    28          - core
    29      deny-auto-connection: true
    30  `
    31  
    32  const tpmConnectedPlugAppArmor = `
    33  # Description: for those who need to talk to the system TPM chip over
    34  # /dev/tpm[0-9]* and kernel TPM resource manager /dev/tpmrm[0-0]* (4.12+)
    35  
    36  /dev/tpm[0-9]* rw,
    37  /dev/tpmrm[0-9]* rw,
    38  `
    39  
    40  var tpmConnectedPlugUDev = []string{
    41  	`KERNEL=="tpm[0-9]*"`,
    42  	`KERNEL=="tpmrm[0-9]*"`,
    43  }
    44  
    45  func init() {
    46  	registerIface(&commonInterface{
    47  		name:                  "tpm",
    48  		summary:               tpmSummary,
    49  		implicitOnCore:        true,
    50  		implicitOnClassic:     true,
    51  		baseDeclarationSlots:  tpmBaseDeclarationSlots,
    52  		connectedPlugAppArmor: tpmConnectedPlugAppArmor,
    53  		connectedPlugUDev:     tpmConnectedPlugUDev,
    54  	})
    55  }