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File Content: `lve_diagnostic.py`

# Copyright (c) Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
from distutils import version


def myExec(str):
    handle = os.popen(str)
    return handle.read()


class LiteSpeed:
    exist = False
    version = 'Unknown'
    suexec = False
    lve = False
    correctArch = False

    def __init__(self):
        self.exist = os.path.isfile('/usr/local/lsws')
        if os.path.isfile('/usr/local/lsws/bin/litespeed') and len(myExec('ps aux|grep litespeed').split('\n')) > 1:
            self.exist = True
            self.lve = '1' in myExec('grep enableLVE /usr/local/lsws/conf/httpd_config.xml')
            self.suexec = not ('0' in myExec('grep -i phpSuexec\> httpd_config.xml'))
            arch = myExec('file -L /usr/local/lsws/bin/litespeed')


class ApacheInfo:
    exist = False
    version = 'Unknown'
    mpm = 'Unknown'
    hostinglimits = 'Unknown'
    fcgid = 'Unknown'
    cgi = 'Unknown'
    php_dso = 'Unknown'
    cgid = 'Unknown'
    suPHP = 'Unknown'
    fastcgi = 'Unknown'
    disable_suexec = 'Unknown'
    suexec = 'Unknown'
    moduleInfo = False
    modules = 'Unknown'

    def __init__(self, path):
        self.detect(path)

    def check_version(self):
        if version.LooseVersion(self.version) >= version.LooseVersion("2.2.0"):
            return True
        else:
            print_warning(3001, "Unable to determine list of loaded modules, apache version %s", self.apache.version)
            return False

    def isModule(self, name):
        return str(self.modules.find(" "+name+"_module") != -1)

    def parseModules(self):
        if self.moduleInfo:
            self.hostinglimits = self.isModule('hostinglimits')
            self.fcgid = self.isModule('fcgid')
            self.php_dso = self.isModule('php5')
            self.cgi = self.isModule('cgi')
            self.cgid = self.isModule('cgid')
            self.suPHP = self.isModule('suPHP')
            self.fastcgi = self.isModule('fastcgi')
            self.disable_suexec = self.isModule('disable_suexec')
            self.suexec = self.isModule('suexec')

    def detect(self, path):
        self.exist = os.path.isfile(path)
        if self.exist:
            tmp = myExec(path + " -V 2>&1")
            if tmp.find('Syntax error') >= 0:
                lsapi_conf = None
                for s in tmp.split(' '):
                    if s.find('lsapi.conf') >= 0:
                        lsapi_conf = s.replace(':', '')
                        break
                if lsapi_conf is not None:
                    myExec('mv ' + lsapi_conf + ' ' + lsapi_conf + '.SAVE')
                tmp = myExec(path + " -V 2>&1")
                if lsapi_conf is not None:
                    myExec('mv ' + lsapi_conf + '.SAVE ' + lsapi_conf)
            lines = tmp.split('\n')
            for line in lines:
                if line.find('Server version:') != -1:
                    self.version = line[line.find('/')+1:]
                if line.find('Server MPM:') != -1:
                    self.mpm = line[line.rfind(' ')+1:]
            if version.LooseVersion(self.version) > version.LooseVersion('2.2'):
                self.moduleInfo = True
                self.modules = myExec(path + " -M 2>&1")
                self.parseModules()

    def str(self):
        if self.exist:
            str = "Apache verion: "+self.version+", mpm="+self.mpm+ \
                  ", hostinglimits="+self.hostinglimits+ \
                  ", cgi="+self.cgi+", cgid="+self.cgid+ \
                  ", fcgi="+self.fcgid+ ", fastcgi="+self.fastcgi+ \
                  ", php DSO="+self.php_dso+", suphp="+self.suPHP+ \
                  ", suexec="+self.suexec+", disable_suexec="+self.disable_suexec

            return str

        else:
            return None


def print_error(code, error_str, error_list, solution):
    print("CODE: ", code)
    print(error_str % error_list)
    print("Solution: ", solution)


def print_warning(code, error_str, error_list):
    print("WARNING: ", code)
    print(error_str % error_list)


class Kernel:
    version = None
    isLVEKernel = False
    isVZKernel = False
    isLVEEnabled = False

    def __init__(self):
        self.kernelName = myExec('/bin/uname -r').rstrip('\n')
        self.isLVEKernel = self.kernelName.find('lve')
        if self.isLVEKernel != -1:
            self.version = self.kernelName[self.isLVEKernel+3:]
            self.isLVEEnabled = os.path.isfile('/proc/lve/list')
        else:
            self.isVZKernel = 'stab' in self.kernelName

    def check(self):
        if self.isLVEEnabled:
            if self.isLVEEnabled:
                if version.LooseVersion(self.version) > version.LooseVersion('0.8.28'):
                    return True
                elif version.LooseVersion(self.version) > version.LooseVersion('0.8.0'):
                    print_error(1001, "You are running bugy kernel LVE version %s", self.version,
                                "Upgrade Kernel")
                elif version.LooseVersion(self.version) > version.LooseVersion('0.7.0'):
                    print_error(1002, "You are running old kernel LVE version %s\n That version doesn't support multiple cores per LVE or memory limits", self.version, "Upgrade Kernel")
                else:
                    print_error(1003, "You are running very old, bugy kernel, LVE version %s",
                                self.version, "Upgrade Kernel")
            else:
                print_error(1004, "LVE is not enabled", (),
                            "Check /etc/sysconfig/lve file, and make sure lve rpm is installed")
        elif self.isVZKernel:
            print_error(1101, "You are running VZ or OpenVZ", (),
                        "CloudLinux is not compatible, see http://www.cloudlinux.com/vz-compat.php for more info")
        else:
            print_error(1201, "You are not running CloudLinux kernel. Your kernel is: %s",
                        self.version, "Check /boot/grub/grub.conf")

    def str(self):
        result = "Kernel: "
        if self.isLVEEnabled:
            result += "OK (" + self.version + ")"
        elif self.isVZKernel:
            result += "VZ (" + self.kernelName + ")"
        else:
            result += "Unknown (" + self.kernelName + ")"
        return result


class CP:
    name = "Unknown CP"
    version = "Unknown"
    kernel = None

    def __init__(self):
        self.apache = ApacheInfo('/usr/sbin/apachectl')
        self.apache_path = '/etc/httpd'
        self.kernel = Kernel()

    def str(self):
        return self.name + " " + self.version + " " + self.kernel.str()

    def __str__(self):
        return self.name

    def check(self):
        self.kernel.check()


class CPanel(CP):
    name = "cPanel"
    def __init__(self):
        super(CPanel, self).__init__()
        self.version = myExec('/usr/local/cpanel/cpanel -V')
        self.apache = ApacheInfo('/usr/local/bin/apachectl')
        if os.path.exists('/etc/cpanel/ea4/is_ea4'):
            self.ea = 'EA4'
            self.apache_path = '/etc/apache2'
        else:
            self.ea = 'EA3'
            self.apache_path = '/usr/local/apache'

    def __str__(self):
        return self.ea


class Plesk(CP):
    name = "Plesk"
    def __init__(self):
        super(Plesk, self).__init__()
        tmp = myExec('/bin/cat /usr/local/psa/version')
        self.version = tmp.split(' ')[0]
        self.apache = ApacheInfo('/usr/sbin/apachectl')


class DirectAdmin(CP):
    name = "DirectAdmin"
    def __init__(self):
        super(DirectAdmin, self).__init__()
        tmp = myExec('/usr/local/directadmin/custombuild/build versions')
        tmp = tmp.split('\n')
        self.version = 'Unknown'
        self.apache = ApacheInfo('/usr/sbin/apachectl')
        for item in tmp:
            if item.find('Installed version of DirectAdmin:') != -1:
                self.version = item.split(':')[1].strip()
                break


class HSphere(CP):
    name = "H-Sphere"
    def __init__(self):
        super(HSphere, self).__init__()
        tmp = myExec('/bin/cat /hsphere/local/home/cpanel/shiva/psoft_config/HS_VERSION')
        self.version = tmp.split('\n')[1].strip()
        self.apache = self.get_apache_type()

    def get_apache_type(self):
        if os.path.isfile('/hsphere/shared/scripts/scripts.cfg'):
            f = open('/hsphere/shared/scripts/scripts.cfg')
            lines = f.readlines()
            f.close()
            for item in lines:
                key = item.split('=')[0].strip()
                value = item.split('=')[1].strip()
                if key == 'apache_version':
                    if value == '1':
                        return ApacheInfo('/hsphere/shared/apache/bin/httpd')
                    else:
                        return ApacheInfo('/hsphere/shared/apache2/bin/apachectl')
        return ApacheInfo('')


class iWorx(CP):
    name = "InterWorx"
    def __init__(self):
        super(iWorx, self).__init__()
        self.ini_file = '/usr/local/interworx/iworx.ini'
        self.version = self.find_version()
        self.apache = ApacheInfo('/usr/sbin/apachectl')

    def find_version(self):
        try:
            with open(self.ini_file, 'r') as ini_info:
                out = ini_info.read()
            return out.split('version')[4].replace('\n', '').replace('=', '').replace('"', '').split('[')[0]
        except Exception:
            return None


class ISPMgr(CP):
    name = "ISPManager"
    def __init__(self):
        super(ISPMgr, self).__init__()
        self.version = "unk"
        self.apache = ApacheInfo('/usr/sbin/apachectl')


class CustomPanel(CP):
    name = "CustomPanel"
    def __init__(self):
        super(CustomPanel, self).__init__()
        self.config_reader()
        self.root_dir = '/usr/share/lve/modlscapi/custom/'
        self.apache = None

    def config_reader(self):
        """Read all configurations related to Custom Panel from config.ini in the 'root_dir' folder.
        config.ini file must include GLOBAL section.
        """
        import configparser
        config = configparser.ConfigParser()
        config.read(self.root_dir + 'config.ini')
        cp_config = config['GLOBAL']
        self.check_config_ini(cp_config)

        self.version = cp_config.get('VERSION')
        self.apachectl= cp_config.get('APACHECTL_BIN_LOCATION')
        self.doc_url = cp_config.get('DOC_URL')
        self.executable= cp_config.get('EXECUTABLE_BIN')
        self.panel_name = cp_config.get('PANEL_NAME')

        if self.apachectl:
            self.apache = ApacheInfo(self.apachectl)

    def check_config_ini(self, cp_config):
        # If we add some directive to config.ini as a new feature or delete one of them, we have update this list too.
        # With this list we check if user supplied all required keys.
        required_keys = ['version', 'apachectl_bin_location', 'doc_url', 'executable_bin', 'panel_name']
        missing_keys = []

        for key in required_keys:
            if cp_config.get(key) is None:
                missing_keys.append(key)

        if missing_keys:
            print(f'Config file is missing required keys: {missing_keys}')
            exit(1)

def _get_cp_class():
    if os.path.isfile('/usr/local/cpanel/cpanel'):
        return CPanel
    if os.path.isfile('/usr/local/psa/version'):
        return Plesk
    if os.path.isdir('/usr/local/directadmin') and os.path.isfile('/usr/local/directadmin/custombuild/build'):
        return DirectAdmin
    if os.path.isfile('/hsphere/local/home/cpanel/shiva/psoft_config/HS_VERSION'):
        return HSphere
    if os.path.isdir("/usr/local/ispmgr"):
        return ISPMgr
    if os.path.isfile('/usr/local/interworx/iworx.ini'):
        return iWorx
    if os.path.isfile('/usr/share/lve/modlscapi/custom/config.ini'):
        return CustomPanel
    return CP

def get_cp_name():
    """
    Call this when you only need to detect Control Panel type, and don't need its complete properties.

    The function avoids creating an instance of CP successor class.
    This is safer for calling from installation scriptlets, when the system state can be inconsistent -
    because instance initialization tries to collect much more info than _get_cp_class().
    For example, 'apachectl' utility, used to gather server attributes into 'apache' instance variable,
    can fail half-way 'mod_lsapi' post-installation. Specifically:
    when the upgrade brings a non-backward compatible change of 'mod_lsapi.so'<->'liblscapi.so' binary interface,
    at the moment when we have 'liblscapi.so' already updated,
    but the new 'mod_lsapi.so' not yet copied into the Apache modules directory,
    'apachectl' would fail due to unloadable modules, print errors instead of Apache properties,
    and eventually produce installation failure.
    See CLOS-3184.
    """
    return _get_cp_class().name

def get_cp():
    """
    Call this when you want full Control Panel properties, not only its type.

    Properties can fail to be obtained, or be invalid, in intermediate machine state, like half-installed 'mod_lsapi'.
    See CLOS-3184.
    """
    return _get_cp_class()()
Name	Size	Permission
__pycache__	---	0755
dashboard_malfunctions.py	1391 bytes	0644
exec_command.py	1662 bytes	0644
lsphpchecker.ini	1591 bytes	0644
lsphpchecker.py	11285 bytes	0755
lve_diagnostic.py	13743 bytes	0644
mod_lsapi_stat.py	15048 bytes	0644
selector_usage_lib.py	13183 bytes	0644
stat_utils.py	9389 bytes	0644
switch_lsapi	28444 bytes	0755
File Content: lve_diagnostic.py

File Content: `lve_diagnostic.py`
