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// -*- Mode: Go; indent-tabs-mode: t -*-
/*
* Copyright (C) 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
import (
"bytes"
"fmt"
"sort"
"github.com/snapcore/snapd/interfaces"
"github.com/snapcore/snapd/interfaces/udev"
)
const adbSupportSummary = `allows operating as Android Debug Bridge service`
const adbSupportBaseDeclarationSlots = `
adb-support:
allow-installation:
slot-snap-type:
- core
deny-auto-connection: true
`
// adbSupportVendors contains the map of USB vendor IDs to vendor name.
//
// The map contains the list of vendors that make or made devices that ADB may
// want to talk to. It was derived from https://forum.snapcraft.io/t//5443/3
var adbSupportVendors = map[int]string{
0x03f0: "HP",
0x03fc: "ECS",
0x0408: "QUANTA",
0x0409: "NEC",
0x0414: "GIGABYTE",
0x0451: "TI",
0x0471: "PHILPS",
0x0482: "KYOCERA",
0x0489: "FOXCONN",
0x04b7: "COMPAL",
0x04c5: "FUJITSU",
0x04da: "PMC-SIERRA",
0x04dd: "SHARP",
0x04e8: "SAMSUNG",
0x0502: "ACER",
0x0531: "WACOM",
0x054c: "SONY",
0x05c6: "Qualcomm",
0x067e: "INTERMEC",
0x091e: "GARMIN-ASUS",
0x0930: "TOSHIBA",
0x0955: "NVIDIA",
0x0b05: "ASUS",
0x0bb4: "HTC",
0x0c2e: "HONEYWELL",
0x0db0: "MSI",
0x0e79: "ARCHOS",
0x0e8d: "MTK",
0x0f1c: "FUNAI",
0x0fce: "SONY ERICSSON",
0x1004: "LGE",
0x109b: "HISENSE",
0x10a9: "PANTECH",
0x1219: "COMPALCOMM",
0x12d1: "HUAWEI",
0x1662: "POSITIVO",
0x16d5: "ANYDATA",
0x17ef: "LENOVO",
0x18d1: "GOOGLE",
0x1949: "LAB126",
0x19a5: "HARRIS",
0x19d2: "ZTE",
0x1b8e: "AMLOGIC",
0x1bbb: "T_AND_A",
0x1d09: "TECHFAITH",
0x1d45: "QISDA",
0x1d4d: "PEGATRON",
0x1d91: "BYD",
0x1e85: "GIGASET",
0x1ebf: "YULONG_COOLPAD",
0x1f3a: "ALLWINNER",
0x1f53: "SK TELESYS",
0x2006: "LENOVOMOBILE",
0x201e: "HAIER",
0x2080: "NOOK",
0x2116: "KT TECH",
0x2207: "ROCKCHIP",
0x2237: "KOBO",
0x2257: "OTGV",
0x22b8: "MOTOROLA",
0x22d9: "OPPO",
0x2314: "INQ_MOBILE",
0x2340: "TELEEPOCH",
0x2420: "IRIVER",
0x24e3: "K-TOUCH",
0x25e3: "LUMIGON",
0x2717: "XIAOMI",
0x271d: "GIONEE",
0x2836: "OUYA",
0x2916: "YOTADEVICES",
0x297f: "EMERGING_TECH",
0x29a9: "SMARTISAN",
0x29e4: "PRESTIGIO",
0x2a45: "MEIZU",
0x2a47: "BQ",
0x2a49: "UNOWHY",
0x2a70: "OnePlus",
0x2ae5: "FAIRPHONE",
0x413c: "DELL",
0x8087: "INTEL", // https://twitter.com/zygoon/status/1032233406564913152
0xE040: "VIZIO",
}
var adbSupportConnectedPlugAppArmor = `
# Allow adb (server) to access all usb devices and rely on the device cgroup for mediation.
/dev/bus/usb/[0-9][0-9][0-9]/[0-9][0-9][0-9] rw,
# Allow access to udev meta-data about character devices with major number 189
# as per https://www.kernel.org/doc/Documentation/admin-guide/devices.txt
# those describe "USB serial converters - alternate devices".
/run/udev/data/c189:* r,
# Allow reading the serial number of all the USB devices.
# Note that this path encodes the physical connection topology (e.g. any USB
# hubs you are using) and as such there are more recursive patterns than one
# might otherwise see necessary on their own system.
/sys/devices/**/usb*/**/serial r,
`
type adbSupportInterface struct {
commonInterface
sortedVendorIDs []int
}
func (iface *adbSupportInterface) UDevConnectedPlug(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
for _, vendorID := range iface.vendorIDs() {
spec.TagDevice(fmt.Sprintf("SUBSYSTEM==\"usb\", ATTR{idVendor}==\"%04x\"", vendorID))
}
return nil
}
func (iface *adbSupportInterface) UDevConnectedSlot(spec *udev.Specification, plug *interfaces.ConnectedPlug, slot *interfaces.ConnectedSlot) error {
var buf bytes.Buffer
fmt.Fprintf(&buf, "# Concatenation of all adb-support udev rules.\n")
for _, vendorID := range iface.vendorIDs() {
fmt.Fprintf(&buf, "# %s\n", adbSupportVendors[vendorID])
// TODO: consider changing to 0660 once we have support for system groups.
fmt.Fprintf(&buf, "SUBSYSTEM==\"usb\", ATTR{idVendor}==\"%04x\", MODE=\"0666\"\n", vendorID)
}
spec.AddSnippet(buf.String())
return nil
}
// vendorIDs returns a sorted list of vendor IDs supported by adb interface.
func (iface *adbSupportInterface) vendorIDs() []int {
if iface.sortedVendorIDs == nil {
vendorIDs := make([]int, 0, len(adbSupportVendors))
for vendorID := range adbSupportVendors {
vendorIDs = append(vendorIDs, vendorID)
}
sort.Ints(vendorIDs)
iface.sortedVendorIDs = vendorIDs
}
return iface.sortedVendorIDs
}
func init() {
registerIface(&adbSupportInterface{commonInterface: commonInterface{
name: "adb-support",
summary: adbSupportSummary,
implicitOnCore: true,
implicitOnClassic: true,
baseDeclarationSlots: adbSupportBaseDeclarationSlots,
connectedPlugAppArmor: adbSupportConnectedPlugAppArmor,
}})
}
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