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✏️ Editing: cldetectlib.py

# -*- coding: utf-8 -*-

# CLDETECT python lib

#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT

# Detection:
#
# Control Panel name & version
# Control Panel name
# Control Panel admin email
# CXS is installed
# mod_suphp is enabled for easyapache on cPanel
# get apache gid
# Detect LiteSpeed
# Detect PostGreSQL
# Detect admin user for DirectAdmin control panel
# Detect CloudLinux instalation process
# Detect Nagios
# Detect if cloudlinux=yes is present for DirectAdmin
# Get fs.enforce_symlinksifowner from /etc/sysctl.conf
# Detect suEXEC
# Detect suPHP
# Check suEXEC or suPHP for SecureLVE jail
# Check /etc/ssh/sshd_config for UsePAM yes
# Separate functions for detect machines: is_da, is_isp, etc
# Detect cagefs installed

import os
import pwd
import re
import subprocess
import sys
from configparser import ConfigParser, NoOptionError, NoSectionError

from clcommon import cpapi
from clcommon.sysctl import SYSCTL_CL_CONF_FILE, SysCtlConf

# Control panel name
CP_NAME = None
# Control panel version
CP_VERSION = None
# If CP_NAME is "ISPManager" and CP_VERSION is "5.xx" ISP5 Type: "Master" or "Node".
# else - always None
CP_ISP_TYPE = None
CP_ADMIN_EMAIL = None
NAGIOS_GID = 0
APACHE_GID = 48
APACHE_UNAME = "apache"
LITESPEED_CONFIG_FILE = "/usr/local/lsws/conf/httpd_config.xml"
LITESPEED_OPEN_CONFIG_FILE = "/usr/local/lsws/conf/httpd_config.conf"
LITESPEED_VERSION_FILE = "/usr/local/lsws/VERSION"
POSTGRE_SERVER_FILE = None
POSTGRE_SYSTEMD_PATH = "/usr/lib/systemd/system/postgresql.service"
POSTGRE_INITD_PATH = "/etc/rc.d/init.d/postgresql"
CL_SETUP_LOCK_FILE = "/var/lock/cldeploy.lck"
CL_CONFIG_FILE = "/etc/sysconfig/cloudlinux"
USEPAM_FILE = "/etc/ssh/sshd_config"
SUEXEC_ENABLED = None
SUPHP_ENABLED = None

SHARED_PRO_EDITION_HUMAN_READABLE = "CloudLinux OS Shared Pro"
SHARED_EDITION_HUMAN_READABLE = "CloudLinux OS Shared"
SOLO_EDITION_HUMAN_READABLE = "CloudLinux OS Solo"

if os.path.isfile(POSTGRE_SYSTEMD_PATH):
    POSTGRE_SERVER_FILE = POSTGRE_SYSTEMD_PATH
else:
    POSTGRE_SERVER_FILE = POSTGRE_INITD_PATH

def is_ea4():
    return os.path.exists("/etc/cpanel/ea4/is_ea4")

# This function get CP name and CP version
def getCP():
    global CP_NAME
    global CP_VERSION
    global CP_ISP_TYPE

CP_NAME = "Unknown"
    CP_VERSION = "0"
    CP_ISP_TYPE = None

####################################################################
    # Try to detect panels supported by CL and custom panel with cpapi plugin
    try:
        panel_data = cpapi.get_cp_description()
        if panel_data:
            CP_NAME = panel_data["name"]
            CP_VERSION = panel_data["version"]
            CP_ISP_TYPE = panel_data["additional_info"]
    except Exception:
        pass

# Try to detect some other panels without retrieving info about them
    ####################################################################
    # H-Sphere
    try:
        with open("/hsphere/shared/version", encoding="utf-8") as f:
            data = f.read()
            release = re.findall(r"Release:\s+(.+)", data)[0]
            version = re.findall(r"Version:\s+(.+)", data)[0]
            CP_NAME = "H-Sphere"
            CP_VERSION = f"{release}.{version}"
            return True
    except Exception:
        pass

####################################################################
    # HostingNG check
    if os.path.isfile("/lib64/libnss_ng.so"):
        CP_NAME = "HostingNG"
        CP_VERSION = "none"
        return True

####################################################################
    # CentOS Web Panel check
    if os.path.isdir("/usr/local/cwpsrv"):
        CP_NAME = "CentOS_WEB_Panel"
        CP_VERSION = "none"
        return True

# Atomia check: (what is atomia you can see at www.atomia.com)
    # Atomia is more than just CP inside the CloudLinux,
    # So we just check presence of Atomia program agent
    # by its footprints - config files, which agent created.
    if os.path.isfile("/etc/httpd/conf.d/atomia-pa-apache.conf") or os.path.isdir("/storage/configuration/cloudlinux"):
        CP_NAME = "Atomia_agent"
        CP_VERSION = "none"
        return True

# Cyber Panel
    if os.path.isdir("/usr/local/CyberCP"):
        CP_NAME = "Cyberpanel"
        CP_VERSION = "none"
        return True

# Planet Hoster
    if os.path.isdir("/var/phmgr"):
        CP_NAME = "PlaneHoster"
        CP_VERSION = "none"
        return True

# Vesta CP, check it`s main dir
    # can install from https://vestacp.com/install/
    if os.path.isdir("/usr/local/vesta"):
        CP_NAME = "Vesta"
        CP_VERSION = "none"
        return True

# We can check if VirtualminWebmin is installed by checking the license file.
    # That file is always present, license serial and key are predefined
    # in the beginning of the installation script
    if os.path.isfile("/etc/virtualmin-license"):
        CP_NAME = "VirtualminWebmin"
        CP_VERSION = "none"
        return True

# Detect Webuzo panel
    if os.path.isfile("/usr/local/webuzo/universal.php"):
        CP_NAME = "Webuzo"
        CP_VERSION = "none"
        return True

# No panel detected
    return False

# Get params value from file
def get_param_from_file(file_name, param_name, separator=None, default_val=""):
    try:
        with open(file_name, encoding="utf-8") as f:
            content = f.readlines()
    except OSError:
        return default_val
    for line in content:
        line = line.strip()
        if line.startswith(param_name):
            lineParts = line.split(separator)
            if (len(lineParts) == 2) and (lineParts[0].strip() == param_name):
                return lineParts[1].strip()
    return default_val

# This function get CP name only
def getCPName():
    global CP_NAME
    if CP_NAME:
        return CP_NAME

# cPanel check
    if os.path.isfile("/usr/local/cpanel/cpanel"):
        CP_NAME = "cPanel"

# Plesk check
    elif os.path.isfile("/usr/local/psa/version"):
        CP_NAME = "Plesk"

# DirectAdmin check
    elif os.path.isfile("/usr/local/directadmin/directadmin"):
        CP_NAME = "DirectAdmin"

# ISPmanager v4 or v5 check
    elif os.path.isfile("/usr/local/ispmgr/bin/ispmgr") or os.path.isdir("/usr/local/mgr5"):
        CP_NAME = "ISPManager"

# InterWorx check
    elif os.path.isdir("/usr/local/interworx"):
        CP_NAME = "InterWorx"

# HSphere check
    elif os.path.isdir("/hsphere/shared"):
        CP_NAME = "H-Sphere"
    elif os.path.isfile("/lib64/libnss_ng.so"):
        CP_NAME = "HostingNG"

# CentOS Web Panel check
    elif os.path.isdir("/usr/local/cwpsrv"):
        CP_NAME = "CentOS_WEB_Panel"

elif os.path.isfile("/etc/httpd/conf.d/atomia-pa-apache.conf") or os.path.isdir(
        "/storage/configuration/cloudlinux"
    ):
        CP_NAME = "Atomia_agent"

elif os.path.isdir("/usr/local/vesta"):
        CP_NAME = "Vesta"

elif os.path.isfile("/etc/virtualmin-license"):
        CP_NAME = "VirtualminWebmin"

elif os.path.isdir("/var/phmgr"):
        CP_NAME = "PlaneHoster"

elif os.path.isdir("/usr/local/CyberCP"):
        CP_NAME = "Cyberpanel"

elif os.path.isfile("/usr/local/webuzo/universal.php"):
        CP_NAME = "Webuzo"

else:
        # Detect custom panel name
        panel_data = cpapi.get_cp_description()
        # If panel data retreived, use its name
        CP_NAME = panel_data["name"] if panel_data else "Unknown"

return CP_NAME

def add_server_stats(status_report):
    """
    Add server statistics to status_report dict
    :param status_report: dict to add statistics to
    :type status_report: dict
    """
    from clcommon import ClPwd  # pylint: disable=import-outside-toplevel

res = {}
    cp_name = getCPName()
    if cp_name != "Unknown":
        res["cp"] = cp_name

if cp_name == "Plesk":
        clpwd = ClPwd(10000)
    else:
        clpwd = ClPwd()

d = clpwd.get_uid_dict()
    users = 0
    sys_users = {
        "nfsnobody",
        "avahi-autoipd",
        "exim",
        "clamav",
        "varnish",
        "nagios",
        "saslauth",
        "mysql",
        "lsadm",
        "systemd-bus-proxy",
        "systemd-network",
        "polkitd",
        "firebird",
        "nginx",
        "dovecot",
        "dovenull",
        "roundcube_sysuser",
        "cpanel",
        "cpanelhorde",
        "cpanelphpmyadmin",
        "cpanelphppgadmin",
        "cpanelroundcube",
        "mailman",
        "cpaneleximfilter",
        "cpanellogaholic",
        "cpanellogin",
        "munin",
        "cpaneleximscanner",
        "cpanelphpgadmin",
        "cpses",
        "cpanelconnecttrack",
        "cpanelrrdtool",
        "admin",
        "webapps",
        "apache",
        "diradmin",
        "majordomo",
        "viapm",
        "iworx",
        "iworx-web",
        "iworx-pma",
        "iworx-backup",
        "iworx-horde",
        "iworx-roundcube",
        "iworx-sqmail",
        "iworx_support_user",
        "psaadm",
        "popuser",
        "psaftp",
        "drweb",
        "sw-cp-server",
        "horde_sysuser",
    }
    for pw_entries in d.values():
        found = False
        for entry in pw_entries:
            if entry.pw_name in sys_users:
                found = True
                break
        if not found:
            users += 1
    res["users"] = users
    status_report["cln"] = res

# Control Panel admin email
def getCPAdminEmail():
    global CP_ADMIN_EMAIL
    if CP_ADMIN_EMAIL:
        return CP_ADMIN_EMAIL

if not os.path.isfile(CL_CONFIG_FILE):
        print("Error: missing " + CL_CONFIG_FILE + " config file.")
        sys.exit(1)
    try:
        parser = ConfigParser(interpolation=None, strict=False)
        parser.read(CL_CONFIG_FILE)
        if parser.get("license_check", "EMAIL").strip().find("@") != -1:
            CP_ADMIN_EMAIL = parser.get("license_check", "EMAIL").strip()
        else:
            try:
                getCPName()
                get_email_script = parser.get("license_check", CP_NAME + "_getemail_script")
                if not os.path.isfile(get_email_script):
                    raise FileNotFoundError
                with subprocess.Popen(
                    [get_email_script],
                    stdout=subprocess.PIPE,
                    stderr=subprocess.PIPE,
                    text=True,
                ) as proc:
                    out, _ = proc.communicate()
                CP_ADMIN_EMAIL = out.strip()
            except (NoSectionError, NoOptionError, FileNotFoundError):
                CP_ADMIN_EMAIL = "root@localhost.localdomain"
        return CP_ADMIN_EMAIL
    except Exception:
        print("Error: bad " + CL_CONFIG_FILE + " config file.")
        sys.exit(1)

# Check is CXS installed
def CXS_check():
    return os.path.isdir("/etc/cxs")

# Check is mod_suphp is enabled in easyapache on cPanel
# TODO check cagefs_posteasyapache_hook.sh for suPHP check via /usr/local/cpanel/bin/rebuild_phpconf --available
def mod_suPHP_check():
    getCPName()
    if CP_NAME != "cPanel":
        return False

return os.path.isfile("/usr/local/apache/modules/mod_suphp.so")

# Get Apache gid
def get_apache_gid():
    getCPName()
    global APACHE_GID
    global APACHE_UNAME
    if CP_VERSION == "0":
        return False

if CP_NAME == "cPanel":
        APACHE_UNAME = "nobody"

if CP_NAME == "H-Sphere":
        APACHE_UNAME = "httpd"

# line 24 | APACHE_UNAME = 'apache' - for others control panel (DA,ISP,IWorx,Plesk)

try:
        APACHE_GID = pwd.getpwnam(APACHE_UNAME).pw_gid
    except Exception:
        pass
    return True

# Detect LiteSpeed
def detect_litespeed():
    """
    LiteSpeed can be enterprise or open source, and each of them
    stores config in different formats
    So this checker will search for one of them
    """
    return detect_enterprise_litespeed() or detect_open_litespeed()

def detect_enterprise_litespeed():
    """
    Detect LSWS Enterprise presence
    """
    return os.path.isfile(LITESPEED_CONFIG_FILE)

def detect_open_litespeed():
    """
    Detect OpenLiteSpeed presence
    """
    return os.path.isfile(LITESPEED_OPEN_CONFIG_FILE)

def get_litespeed_version():
    """
    Determine Litespeed version.
    Works for both LSWS Enterprise and OpenLiteSpeed.
    """
    try:
        # Content of LITESPEED_VERSION_FILE: '5.4.12'
        with open(LITESPEED_VERSION_FILE, encoding="utf-8") as f:
            return f.read().strip()
    except (FileNotFoundError, OSError):
        return ""

# Detect PostGreSQL
def detect_postgresql():
    return os.path.isfile(POSTGRE_SERVER_FILE)

# Detect DirectAdmin admin user
def detect_DA_admin():
    getCPName()
    if CP_NAME != "DirectAdmin":
        return False

try:
        with open("/usr/local/directadmin/conf/directadmin.conf", encoding="utf-8") as f:
            out = f.read()
        return out.split("admindir=")[1].split("\n")[0].split("/")[-1].strip()
    except Exception:
        return "admin"

# Detect CloudLinux instalation process
def check_CL_installing():
    if not os.path.isfile(CL_SETUP_LOCK_FILE):
        return False

try:
        with open(CL_SETUP_LOCK_FILE, encoding="utf-8") as f:
            pid = int(f.read())
        return os.path.isdir(f"/proc/{pid}")
    except Exception:
        return False

# Detect Nagios
def get_nagios():
    if not os.path.isdir("/usr/local/nagios"):
        return False

global NAGIOS_GID
    try:
        NAGIOS_GID = pwd.getpwnam("nagios").pw_gid
        return True
    except Exception:
        return False

# Detect if cloudlinux=yes is present for DirectAdmin
def da_check_options():
    check_result = get_param_from_file("/usr/local/directadmin/custombuild/options.conf", "cloudlinux", "=")
    return check_result == "yes"

def get_symlinksifowner():
    """get fs.enforce_symlinksifowner from sysctl conf"""
    sysctl = SysCtlConf(config_file=SYSCTL_CL_CONF_FILE, mute_errors=False)
    value = sysctl.get("fs.enforce_symlinksifowner")
    return int(value) if value is not None else value

# Get suEXEC status
def get_suEXEC_status():
    global SUEXEC_ENABLED
    if SUEXEC_ENABLED is None:
        detect_suEXEC_suPHP()
    return SUEXEC_ENABLED

# Get suPHP status():
def get_suPHP_status():
    global SUPHP_ENABLED
    if SUPHP_ENABLED is None:
        detect_suEXEC_suPHP()
    return SUPHP_ENABLED

# Detect suEXEC  and suPHP
def detect_suEXEC_suPHP():
    global SUEXEC_ENABLED
    global SUPHP_ENABLED

# This helps us to avoid double check when we checks both suEXEC and suPHP
    SUEXEC_ENABLED = False
    SUPHP_ENABLED = False

modules = get_apache_modules()
    if modules is None:
        return
    SUEXEC_ENABLED = "suexec_module" in modules
    SUPHP_ENABLED = "suphp_module" in modules

def get_apache_modules():
    #  path to httpd is the same on the panels
    bin_exec = "/usr/sbin/httpd"
    try:
        with subprocess.Popen(
            [bin_exec, "-M"],
            stdout=subprocess.PIPE,
            stderr=subprocess.PIPE,
            text=True,
        ) as proc:
            out, _ = proc.communicate()
        modules = []
        out = out.split("\n")
        #  clean the output from 1st line 'Loaded modules'
        for line in out[1:]:
            if not line:
                continue
            # core_module (static) so_module (static) http_module (static) mpm_worker_module (shared)...
            #  --> ['core_module', 'so_module', 'http_module', 'mpm_worker_module']
            try:
                mod = line.strip().split(" ")[0]
            except IndexError:
                mod = ""
            if mod == "":
                continue
            modules.append(mod)
    except OSError:
        return None
    return modules

def execute(command):
    """
    Execute command with bash interpreter
    """
    with subprocess.Popen(
        command,
        shell=True,
        executable="/bin/bash",
        stdout=subprocess.PIPE,
        text=True,
        bufsize=-1,
    ) as proc:
        return proc.communicate()[0]

# check suPHP or suEXEC binary for jail
def check_binary_has_jail(location):
    try:
        if is_ea4():
            result = execute("/usr/bin/strings " + str(location[getCPName() + "_ea4"]) + " | grep jail")
        else:
            result = execute("/usr/bin/strings " + str(location[getCPName()]) + " | grep jail")

return result.find("jail error") != -1
    except KeyError:
        return None
    except OSError:
        return False

# Check sshd -T output for usepam yes
def check_SSHd_UsePAM():
    try:
        result = execute("/usr/sbin/sshd -T | grep usepam")
        return result.find("usepam yes") != -1
    except OSError:
        return None

def init_cp_name():
    if CP_NAME is None:
        getCPName()

# NOTE: This section of code is deprecated and should not be added to.

# Detect DirectAdmin machine
def is_da():
    init_cp_name()
    return CP_NAME == "DirectAdmin"

# Detect ISP Manager machine
def is_ispmanager():
    init_cp_name()
    return CP_NAME == "ISPManager"

# Detect ISP Manager v5 machine type: "Master" or "Node"
# If not ISP5 - always None
def ispmanager5_type():
    init_cp_name()
    return CP_ISP_TYPE

# Detect ISP Manager v5 machine is Master
def ispmanager5_is_master():
    return CP_ISP_TYPE == "Master"

# Detect cPanel machine
def is_cpanel():
    init_cp_name()
    return CP_NAME == "cPanel"

# Detect Plesk machine
def is_plesk():
    init_cp_name()
    return CP_NAME == "Plesk"

# Detect InterWorx machine
def is_internetworx():
    init_cp_name()
    return CP_NAME == "InterWorx"

# Detect H-Sphere machine
def is_hsphere():
    init_cp_name()
    return CP_NAME == "H-Sphere"

# Detect HostingNG machine
def is_hostingng():
    init_cp_name()
    return CP_NAME == "HostingNG"

# Detect unknown machine
def is_unknown():
    init_cp_name()
    return CP_NAME == "Unknown"

def is_openvz():
    """
    Return 0 if there is no OpenVZ, otherwise return node ID (envID)
    """
    pid = os.getpid()
    with open(f"/proc/{pid}/status", encoding="utf-8") as f:
        for line in f:
            if line.startswith("envID:"):
                env_id = line.split(":")[1].strip()
                return int(env_id)
    return 0  # no openvz found

def is_cagefs_installed():
    return os.path.exists("/usr/sbin/cagefsctl")

def get_boolean_param(file_name, param_name, separator="=", default_val=True):
    config_val = get_param_from_file(file_name, param_name, separator, default_val=None)
    if config_val is None:
        return default_val
    return config_val.lower() in ("true", "1", "yes", "on")

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