| # Copyright 2017 The ChromiumOS Authors |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Baselines for user/group tests.""" |
| |
| from typing import NamedTuple, Set |
| |
| |
| class UserEntry(NamedTuple): |
| """User details matching typical account database (e.g. /etc/passwd). |
| |
| Example GECOS entry: |
| firewall:!:236:236:firewall daemon:/dev/null:/bin/false |
| """ |
| |
| user: str |
| encpasswd: str = "!" |
| uid: int = None |
| gid: int = None |
| home: str = "/dev/null" |
| shell: str = "/bin/false" |
| |
| |
| class GroupEntry(NamedTuple): |
| """Group details matching typical account database (e.g. /etc/group). |
| |
| Example GECOS entry: |
| tty:!:5:xorg,power,brltty |
| """ |
| |
| group: str |
| encpasswd: str = "!" |
| gid: int = None |
| users: Set[str] = set() |
| |
| |
| # For users that we allow to login to the system, allow a number of alternative |
| # shells. These are equivalent from a security POV. |
| _VALID_LOGIN_SHELLS = set( |
| ( |
| "/bin/sh", |
| "/bin/bash", |
| "/bin/dash", |
| ) |
| ) |
| |
| # Pulled out for COIL disabling. |
| _SCANNER_DAEMON = "saned" # nocheck |
| |
| USER_BASELINE = dict( |
| (e.user, e) |
| for e in ( |
| # These are sorted by uid. |
| UserEntry( |
| user="root", |
| encpasswd="x", |
| uid=0, |
| gid=0, |
| home="/root", |
| shell=_VALID_LOGIN_SHELLS, |
| ), |
| UserEntry(user="bin", uid=1, gid=1, home="/bin"), |
| UserEntry(user="daemon", uid=2, gid=2, home="/sbin"), |
| UserEntry(user="adm", uid=3, gid=4, home="/var/adm"), |
| UserEntry(user="lp", uid=4, gid=7, home="/var/spool/lpd"), |
| UserEntry(user="news", uid=9, gid=13, home="/var/spool/news"), |
| UserEntry(user="uucp", uid=10, gid=14, home="/var/spool/uucp"), |
| # CrOS system daemon UIDs. |
| UserEntry(user="sshd", uid=204, gid=204), |
| UserEntry(user="tss", uid=207, gid=207, home="/var/lib/tpm"), |
| UserEntry(user="dhcp", uid=224, gid=224), |
| UserEntry( |
| user="goofy", |
| encpasswd="x", |
| uid=248, |
| gid=248, |
| home="/home/goofy", |
| shell="/bin/bash", |
| ), |
| UserEntry(user="portage", uid=250, gid=250, home="/var/tmp/portage"), |
| UserEntry( |
| user="chronos", |
| encpasswd="x", |
| uid=1000, |
| gid=1000, |
| home="/home/chronos/user", |
| shell=_VALID_LOGIN_SHELLS, |
| ), |
| UserEntry(user="chronos-access", uid=1001, gid=1001), |
| UserEntry(user="user-containers", uid=10000, gid=10000), |
| UserEntry(user="nobody", uid=65534, gid=65534), |
| UserEntry(user="android-root", uid=655360, gid=655360), |
| ) |
| ) |
| |
| USER_BASELINE_TERMINA = dict( |
| (e.user, e) |
| for e in ( |
| # These are sorted by uid. |
| UserEntry(user="lxd", uid=298, gid=298), |
| ) |
| ) |
| |
| USER_BOARD_BASELINES = { |
| "tael": USER_BASELINE_TERMINA, |
| "tatl": USER_BASELINE_TERMINA, |
| } |
| |
| GROUP_BASELINE = dict( |
| (e.group, e) |
| for e in ( |
| # These are sorted by gid. |
| GroupEntry(group="root", gid=0, users={"root"}), |
| GroupEntry(group="bin", gid=1, users={"root", "bin", "daemon"}), |
| GroupEntry(group="daemon", gid=2, users={"root", "bin", "daemon"}), |
| GroupEntry(group="sys", gid=3, users={"root", "bin", "adm"}), |
| GroupEntry(group="adm", gid=4, users={"root", "adm", "daemon"}), |
| GroupEntry(group="tty", gid=5, users={"power", "brltty"}), |
| GroupEntry( |
| group="disk", |
| gid=6, |
| users={ |
| "root", |
| "adm", |
| "cros-disks", |
| "fwupd", |
| "cros_healthd", |
| "image-burner", |
| }, |
| ), |
| GroupEntry( |
| group="lp", |
| gid=7, |
| users={ |
| "lp", |
| "lpadmin", |
| "cups", |
| "chronos", |
| "printscanmgr", |
| }, |
| ), |
| GroupEntry(group="mem", gid=8), |
| GroupEntry(group="kmem", gid=9), |
| GroupEntry(group="wheel", gid=10, users={"root"}), |
| GroupEntry(group="floppy", gid=11, users={"root"}), |
| GroupEntry(group="news", gid=13, users={"news"}), |
| GroupEntry(group="uucp", gid=14, users={"uucp", "gpsd"}), |
| GroupEntry(group="console", gid=17), |
| GroupEntry( |
| group="audio", |
| gid=18, |
| users={ |
| "cras", |
| "chronos", |
| "volume", |
| "midis", |
| "sound_card_init", |
| "rtanalytics", |
| }, |
| ), |
| GroupEntry(group="cdrom", gid=19, users={"cros-disks"}), |
| GroupEntry(group="tape", gid=26, users={"root"}), |
| GroupEntry( |
| group="video", |
| gid=27, |
| users={ |
| "root", |
| "chronos", |
| "arc-camera", |
| "dlm", |
| "rtanalytics", |
| "crosvm", |
| "cfm-monitor", |
| "smdisplay", |
| "cdm-oemcrypto", |
| "cros_healthd", |
| "nvpd", |
| "ml-core", |
| "runtime_probe", |
| }, |
| ), |
| GroupEntry(group="cdrw", gid=80, users={"cros-disks"}), |
| GroupEntry( |
| group="usb", |
| gid=85, |
| users={"mtp", "brltty", "dlm", "modem", "fwupd"}, |
| ), |
| GroupEntry(group="users", gid=100), |
| # CrOS system daemon GIDs. |
| GroupEntry( |
| group="tss", |
| gid=207, |
| users={ |
| "root", |
| "attestation", |
| "bootlockboxd", |
| "chaps", |
| "oobe_config_restore", |
| "oobe_config_save", |
| "tpm_manager", |
| "trunks", |
| "u2f", |
| }, |
| ), |
| GroupEntry( |
| group="pkcs11", |
| gid=208, |
| users={"root", "vpn", "chronos", "chaps", "wpa", "attestation"}, |
| ), |
| GroupEntry(group="wpa", gid=219, users={"root"}), |
| GroupEntry( |
| group="input", |
| gid=222, |
| users={"cras", "power", "chronos", "healthd_evdev"}, |
| ), |
| GroupEntry(group="dhcp", gid=224, users={"shill"}), |
| GroupEntry(group="brltty", gid=240, users={"chronos"}), |
| GroupEntry(group="modem", gid=241, users={"shill"}), |
| GroupEntry(group="goofy", gid=248, users={"goofy"}), |
| GroupEntry(group="portage", gid=250, users={"portage"}), |
| GroupEntry( |
| group="preserve", |
| gid=253, |
| users={"root", "attestation", "tpm_manager"}, |
| ), |
| GroupEntry(group="scanner", gid=255, users={_SCANNER_DAEMON}), |
| GroupEntry( |
| group="uinput", gid=258, users={"bluetooth", "volume", "biod"} |
| ), |
| GroupEntry(group="apmanager", gid=259, users={"apmanager", "buffet"}), |
| GroupEntry( |
| group="peerd", gid=260, users={"buffet", "chronos", "peerd"} |
| ), |
| GroupEntry( |
| group="buffet", gid=264, users={"chronos", "buffet", "power"} |
| ), |
| GroupEntry(group="webservd", gid=266, users={"buffet", "webservd"}), |
| GroupEntry( |
| group="lpadmin", |
| gid=269, |
| users={ |
| "cups", |
| "lpadmin", |
| "printscanmgr", |
| }, |
| ), |
| # FUSE-based filesystem daemons. |
| GroupEntry( |
| group="policy-readers", |
| gid=303, |
| users={ |
| "attestation", |
| "chronos", |
| "hardware_verifier", |
| "secagentd", |
| "shill", |
| "u2f", |
| }, |
| ), |
| GroupEntry(group="fuse-drivefs", gid=304, users={"chronos"}), |
| GroupEntry(group="rmtfs", gid=306, users={"rmtfs", "shill"}), |
| # Groups with no associated user. |
| GroupEntry( |
| group="daemon-store", |
| gid=400, |
| users={"biod", "chaps", "crosvm", "shill"}, |
| ), |
| GroupEntry(group="logs-access", gid=401, users={"debugd-logs"}), |
| GroupEntry(group="serial", gid=402, users={"uucp"}), |
| GroupEntry(group="hidraw", gid=403, users={"fwupd", "fwupdate-hidraw"}), |
| GroupEntry( |
| group="i2c", |
| gid=404, |
| users={"fwupdate-i2c", "fwupdate-drm_dp_aux-i2c", "fwupd", "power"}, |
| ), |
| GroupEntry(group="apex-access", gid=405, users={"rtanalytics"}), |
| GroupEntry(group="utmp", gid=406), |
| GroupEntry( |
| group="drm_dp_aux", |
| gid=407, |
| users={"fwupdate-drm_dp_aux", "fwupdate-drm_dp_aux-i2c", "fwupd"}, |
| ), |
| GroupEntry( |
| group="tun", gid=413, users={"crosvm", "shill", "vpn", "wpan"} |
| ), |
| GroupEntry(group="gpio", gid=414, users={"modem"}), |
| GroupEntry(group="suzy-q", gid=415, users={"chronos", "rma_fw_keeper"}), |
| GroupEntry( |
| group="cros_ec-access", |
| gid=416, |
| users={ |
| "runtime_probe", |
| "healthd_ec", |
| "power", |
| "typecd_ec", |
| "rgbkbd", |
| }, |
| ), |
| GroupEntry( |
| group="rgbkbd", gid=20186, users={"rgbkbd", "power", "fwupd"} |
| ), |
| GroupEntry(group="virtaccess", gid=418, users={"crosvm", "wilco_dtc"}), |
| GroupEntry( |
| group="crash-access", gid=419, users={"crash", "secanomaly"} |
| ), |
| GroupEntry( |
| group="crash-user-access", |
| gid=420, |
| users={"crash", "chronos", "vm_cicerone"}, |
| ), |
| GroupEntry( |
| group="pstore-access", |
| gid=422, |
| users={"debugd", "oobe_config_restore"}, |
| ), |
| GroupEntry( |
| group="bluetooth-audio", gid=423, users={"bluetooth", "cras"} |
| ), |
| GroupEntry(group="ppp", gid=424, users={"shill", "vpn"}), |
| GroupEntry( |
| group="cras", |
| gid=600, |
| users={ |
| "chronos", |
| "crosvm", |
| "power", |
| "rtanalytics", |
| "sound_card_init", |
| }, |
| ), |
| GroupEntry( |
| group="fpdev", |
| gid=426, |
| users={ |
| "biod", |
| "healthd_fp", |
| }, |
| ), |
| GroupEntry( |
| group="wayland", gid=601, users={"chronos", "crosvm", "pluginvm"} |
| ), |
| GroupEntry(group="arc-bridge", gid=602, users={"chronos"}), |
| GroupEntry(group="arc-camera", gid=603, users={"chronos", "crosvm"}), |
| GroupEntry( |
| group="camera", |
| gid=20042, |
| users={"arc-camera", "cfm-firmware-updaters"}, |
| ), |
| GroupEntry( |
| group="debugfs-access", |
| gid=605, |
| users={"arc-camera", "shill", "power", "metrics", "traced-probes"}, |
| ), |
| GroupEntry(group="midis", gid=608, users={"chronos"}), |
| GroupEntry( |
| group="password-viewers", |
| gid=611, |
| users={"kerberosd", "shill", "system-proxy"}, |
| ), |
| GroupEntry(group="ml-core", gid=612, users={"ml-core", "arc-camera"}), |
| GroupEntry(group="chronos", gid=1000), |
| GroupEntry( |
| group="chronos-access", |
| gid=1001, |
| users={ |
| "vpn", |
| "chronos", |
| "cros-disks", |
| "imageloaderd", |
| "crash", |
| "dlp", |
| "image-burner", |
| "seneschal", |
| "spaced", |
| }, |
| ), |
| GroupEntry( |
| group="user-containers", gid=10000, users={"user-containers"} |
| ), |
| # More CrOS system daemon GIDs. |
| GroupEntry( |
| group="ippusb", |
| gid=20100, |
| users={"ippusb", "lp", "lpadmin", "cups", _SCANNER_DAEMON}, |
| ), |
| GroupEntry( |
| group="cfm-peripherals", |
| gid=20103, |
| users={"cfm-monitor", "cfm-firmware-updaters"}, |
| ), |
| GroupEntry(group="shill", gid=20104, users={"shill"}), |
| GroupEntry(group="pluginvm", gid=20128, users={"crosvm", "pluginvm"}), |
| GroupEntry( |
| group="kerberosd", gid=20131, users={"kerberosd", "kerberosd-exec"} |
| ), |
| GroupEntry( |
| group="cups-proxy", |
| gid=20136, |
| users={"crosvm", "cups-proxy", "pluginvm"}, |
| ), |
| GroupEntry( |
| group="usbprinter", |
| gid=20155, |
| users={ |
| "cups", |
| _SCANNER_DAEMON, |
| }, |
| ), |
| GroupEntry(group="hotline", gid=20157, users={"hotline", "hotlog"}), |
| GroupEntry( |
| group="traced-producer", |
| gid=20162, |
| users={"traced", "traced-probes", "chronos", "crosvm"}, |
| ), |
| GroupEntry( |
| group="traced-consumer", |
| gid=20164, |
| users={"traced", "chronos", "debugd"}, |
| ), |
| GroupEntry(group="vpn", gid=20174, users={"vpn", "shill"}), |
| GroupEntry(group="nogroup", gid=65533), |
| GroupEntry(group="nobody", gid=65534), |
| GroupEntry( |
| group="android-everybody", |
| gid=665357, |
| users={"chronos", "cros-disks", "seneschal"}, |
| ), |
| GroupEntry(group="android-root", gid=655360, users={"android-root"}), |
| GroupEntry(group="nvpd", gid=20190, users={"nvpd"}), |
| GroupEntry( |
| group="missived_senders", |
| gid=20191, |
| users={"cros_healthd", "secagentd", "secanomaly"}, |
| ), |
| GroupEntry(group="secagentd", gid=20192, users={"secagentd"}), |
| GroupEntry( |
| group="disk-dlc", |
| gid=20777, |
| users={"root", "dlcservice", "imageloaderd"}, |
| ), |
| GroupEntry( |
| group="shadercached", |
| gid=333, |
| users={"shadercached", "crosvm"}, |
| ), |
| GroupEntry( |
| group="crosvm", |
| gid=299, |
| users={"crosvm", "shadercached", "spaced"}, |
| ), |
| GroupEntry(group="mei-access", gid=427, users={"healthd_psr"}), |
| ) |
| ) |
| |
| GROUP_BASELINE_TERMINA = dict( |
| (e.group, e) |
| for e in ( |
| # These are sorted by gid. |
| GroupEntry(group="lxd", gid=298, users={"lxd", "chronos"}), |
| ) |
| ) |
| |
| GROUP_BOARD_BASELINES = { |
| "tael": GROUP_BASELINE_TERMINA, |
| "tatl": GROUP_BASELINE_TERMINA, |
| } |
