OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	11/20/2022 06:47:16 AM	rwxr-xr-x
📄 __init__.py	0 bytes	05/18/2022 04:04:36 PM	rw-r--r--
📁 __pycache__	-	07/01/2022 06:30:51 AM	rwxr-xr-x
📁 analyze	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 apport.py	4.24 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 atomic_helper.py	1.38 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 cloud.py	3.5 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 cmd	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📁 config	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 dhclient_hook.py	2.49 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 distros	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 dmi.py	5.65 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 event.py	2.05 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 features.py	2.03 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 filters	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 gpg.py	4.32 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 handlers	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 helpers.py	15.74 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 importer.py	1.44 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 log.py	4.33 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 mergers	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📁 net	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 netinfo.py	22.57 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 patcher.py	1.1 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 persistence.py	2.54 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 registry.py	1.03 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 reporting	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 safeyaml.py	5.85 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 serial.py	1.23 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 settings.py	1.94 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 signal_handler.py	1.78 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 simpletable.py	1.94 KB	05/18/2022 04:04:36 PM	rw-r--r--
📁 sources	-	07/01/2022 06:30:50 AM	rwxr-xr-x
📄 ssh_util.py	19.63 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 stages.py	35.06 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 subp.py	13.24 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 temp_utils.py	2.88 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 templater.py	5.58 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 type_utils.py	726 bytes	05/18/2022 04:04:36 PM	rw-r--r--
📄 url_helper.py	27.08 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 user_data.py	14.5 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 util.py	84.85 KB	05/18/2022 04:04:36 PM	rw-r--r--
📄 version.py	587 bytes	06/15/2022 04:38:21 PM	rw-r--r--
📄 warnings.py	3.84 KB	05/18/2022 04:04:36 PM	rw-r--r--

Editing: dmi.py

# This file is part of cloud-init. See LICENSE file for license information.
import os
from collections import namedtuple

from cloudinit import log as logging
from cloudinit import subp
from cloudinit.util import is_container, is_FreeBSD

LOG = logging.getLogger(__name__)

# Path for DMI Data
DMI_SYS_PATH = "/sys/class/dmi/id"

kdmi = namedtuple("KernelNames", ["linux", "freebsd"])
kdmi.__new__.defaults__ = (None, None)

# FreeBSD's kenv(1) and Linux /sys/class/dmi/id/* both use different names from
# dmidecode. The values are the same, and ultimately what we're interested in.
# These tools offer a "cheaper" way to access those values over dmidecode.
# This is our canonical translation table. If we add more tools on other
# platforms to find dmidecode's values, their keys need to be put in here.
DMIDECODE_TO_KERNEL = {
    "baseboard-asset-tag": kdmi("board_asset_tag", "smbios.planar.tag"),
    "baseboard-manufacturer": kdmi("board_vendor", "smbios.planar.maker"),
    "baseboard-product-name": kdmi("board_name", "smbios.planar.product"),
    "baseboard-serial-number": kdmi("board_serial", "smbios.planar.serial"),
    "baseboard-version": kdmi("board_version", "smbios.planar.version"),
    "bios-release-date": kdmi("bios_date", "smbios.bios.reldate"),
    "bios-vendor": kdmi("bios_vendor", "smbios.bios.vendor"),
    "bios-version": kdmi("bios_version", "smbios.bios.version"),
    "chassis-asset-tag": kdmi("chassis_asset_tag", "smbios.chassis.tag"),
    "chassis-manufacturer": kdmi("chassis_vendor", "smbios.chassis.maker"),
    "chassis-serial-number": kdmi("chassis_serial", "smbios.chassis.serial"),
    "chassis-version": kdmi("chassis_version", "smbios.chassis.version"),
    "system-manufacturer": kdmi("sys_vendor", "smbios.system.maker"),
    "system-product-name": kdmi("product_name", "smbios.system.product"),
    "system-serial-number": kdmi("product_serial", "smbios.system.serial"),
    "system-uuid": kdmi("product_uuid", "smbios.system.uuid"),
    "system-version": kdmi("product_version", "smbios.system.version"),
}

def _read_dmi_syspath(key):
    """
    Reads dmi data from /sys/class/dmi/id
    """
    kmap = DMIDECODE_TO_KERNEL.get(key)
    if kmap is None or kmap.linux is None:
        return None
    dmi_key_path = "{0}/{1}".format(DMI_SYS_PATH, kmap.linux)
    LOG.debug("querying dmi data %s", dmi_key_path)
    if not os.path.exists(dmi_key_path):
        LOG.debug("did not find %s", dmi_key_path)
        return None

try:
        with open(dmi_key_path, "rb") as fp:
            key_data = fp.read()
    except PermissionError:
        LOG.debug("Could not read %s", dmi_key_path)
        return None

# uninitialized dmi values show as all \xff and /sys appends a '\n'.
    # in that event, return empty string.
    if key_data == b"\xff" * (len(key_data) - 1) + b"\n":
        key_data = b""

try:
        return key_data.decode("utf8").strip()
    except UnicodeDecodeError as e:
        LOG.error(
            "utf-8 decode of content (%s) in %s failed: %s",
            dmi_key_path,
            key_data,
            e,
        )

return None

def _read_kenv(key):
    """
    Reads dmi data from FreeBSD's kenv(1)
    """
    kmap = DMIDECODE_TO_KERNEL.get(key)
    if kmap is None or kmap.freebsd is None:
        return None

LOG.debug("querying dmi data %s", kmap.freebsd)

try:
        cmd = ["kenv", "-q", kmap.freebsd]
        (result, _err) = subp.subp(cmd)
        result = result.strip()
        LOG.debug("kenv returned '%s' for '%s'", result, kmap.freebsd)
        return result
    except subp.ProcessExecutionError as e:
        LOG.debug("failed kenv cmd: %s\n%s", cmd, e)
        return None

return None

def _call_dmidecode(key, dmidecode_path):
    """
    Calls out to dmidecode to get the data out. This is mostly for supporting
    OS's without /sys/class/dmi/id support.
    """
    try:
        cmd = [dmidecode_path, "--string", key]
        (result, _err) = subp.subp(cmd)
        result = result.strip()
        LOG.debug("dmidecode returned '%s' for '%s'", result, key)
        if result.replace(".", "") == "":
            return ""
        return result
    except subp.ProcessExecutionError as e:
        LOG.debug("failed dmidecode cmd: %s\n%s", cmd, e)
        return None

def read_dmi_data(key):
    """
    Wrapper for reading DMI data.

If running in a container return None.  This is because DMI data is
    assumed to be not useful in a container as it does not represent the
    container but rather the host.

This will do the following (returning the first that produces a
    result):
        1) Use a mapping to translate `key` from dmidecode naming to
           sysfs naming and look in /sys/class/dmi/... for a value.
        2) Use `key` as a sysfs key directly and look in /sys/class/dmi/...
        3) Fall-back to passing `key` to `dmidecode --string`.

If all of the above fail to find a value, None will be returned.
    """

if is_container():
        return None

if is_FreeBSD():
        return _read_kenv(key)

syspath_value = _read_dmi_syspath(key)
    if syspath_value is not None:
        return syspath_value

def is_x86(arch):
        return arch == "x86_64" or (arch[0] == "i" and arch[2:] == "86")

# running dmidecode can be problematic on some arches (LP: #1243287)
    uname_arch = os.uname()[4]
    if not (is_x86(uname_arch) or uname_arch in ("aarch64", "amd64")):
        LOG.debug("dmidata is not supported on %s", uname_arch)
        return None

dmidecode_path = subp.which("dmidecode")
    if dmidecode_path:
        return _call_dmidecode(key, dmidecode_path)

LOG.debug("did not find either path %s or dmidecode command", DMI_SYS_PATH)
    return None

# vi: ts=4 expandtab