class ConfigureMACPolicy(Rule):
"""The ConfigureMACPolicy class configures either selinux or apparmor
depending on the os platform.
@change: Derek Walker - created two config items, one for enable/disable, and
another for whether the user wants to use permissive or enforcing
"""
def __init__(self, config, environ, logger, statechglogger):
Rule.__init__(self, config, environ, logger, statechglogger)
self.logger = logger
self.rulenumber = 107
self.rulename = 'ConfigureMACPolicy'
self.formatDetailedResults("initialize")
self.mandatory = True
self.sethelptext()
self.guidance = ['NSA(2.1.1.6)(2.4.2)', 'CCE-3977-6', 'CCE-3999-0',
'CCE-3624-4', 'CIS 1.7']
self.applicable = {'type': 'white',
'family': ['linux']}
datatype = "bool"
key = "CONFIGUREMAC"
instructions = "To prevent the configuration of a mandatory " + \
"access control policy, set the value of CONFIGUREMAC to " + \
"False. Note: The 'mandatory access control' is either SELinux " + \
"or AppArmor, depending on what is available to your current system."
default = True
self.ConfigureMAC = self.initCi(datatype, key, instructions, default)
datatype2 = "string"
key2 = "MODE"
default2 = "permissive"
instructions2 = "Valid modes for SELinux are: permissive or " + \
"enforcing\nValid modes for AppArmor are: complain or enforce"
self.modeci = self.initCi(datatype2, key2, instructions2, default2)
def report(self):
"""
:return:
"""
self.selinux = False
self.apparmor = False
self.ph = Pkghelper(self.logger, self.environ)
self.ch = CommandHelper(self.logger)
self.sh = ServiceHelper(self.environ, self.logger)
selinux_packages = ["selinux", "libselinux", "selinux-basics"]
apparmor_packages = ["apparmor"]
self.mac_package = ""
# discover whether this system can use - or is using - selinux
# or if it should use apparmor (selinux takes precedence)
for p in selinux_packages:
if self.ph.check(p):
self.selinux = True
self.mac_package = p
break
if not self.selinux:
for p in apparmor_packages:
if self.ph.check(p):
self.apparmor = True
self.mac_package = p
break
if not bool(self.selinux or self.apparmor):
for p in selinux_packages:
if self.ph.checkAvailable(p):
self.selinux = True
self.mac_package = p
break
if not self.selinux:
for p in apparmor_packages:
if self.ph.checkAvailable(p):
self.apparmor = True
self.mac_package = p
break
self.compliant = True
self.detailedresults = ""
self.mode = str(self.modeci.getcurrvalue())
try:
if self.selinux:
if not self.reportSelinux():
self.compliant = False
elif self.apparmor:
if not self.reportApparmor():
self.compliant = False
else:
self.detailedresults += "\nCould not find either selinux or apparmor installed and nother appears to be available to this system!"
self.compliant = False
except (KeyboardInterrupt, SystemExit):
raise
except:
self.compliant = False
self.detailedresults += "\n" + traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant, self.detailedresults)
self.logger.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def set_selinux_conf_path(self):
"""
:return:
"""
# discover correct location of selinux config file
self.selinux_config_file = "/etc/sysconfig/selinux"
selinux_config_files = ["/etc/selinux/config", "/etc/sysconfig/selinux"]
for p in selinux_config_files:
if os.path.exists(p):
self.selinux_config_file = p
break
def reportSelinux(self):
"""
:return:
"""
compliant = True
conf_option_dict = {"selinux\s+status:\s+enabled": "status",
"current\s+mode:\s+" + self.mode: "mode"}
# check if selinux is installed
if not self.ph.check(self.mac_package):
compliant = False
self.detailedresults += "\nSELinux is not installed"
# check sestatus for current configuration of selinux
self.ch.executeCommand("/usr/sbin/sestatus")
output = self.ch.getOutput()
for co in conf_option_dict:
rco = re.compile(co, re.I)
if not list(filter(rco.match, output)):
compliant = False
self.detailedresults += "\nSELinux " + conf_option_dict[co] + " is not configured properly"
self.set_selinux_conf_path()
# check selinux config file for correct configuration so setting is
# persistent after reboot
selinux_tmp_file = self.selinux_config_file + ".stonixtmp"
selinux_config_dict = {"SELINUX": self.mode}
self.selinux_config_editor = KVEditorStonix(self.statechglogger, self.logger, "conf", self.selinux_config_file, selinux_tmp_file, selinux_config_dict, "present", "closedeq")
self.selinux_config_editor.report()
if self.selinux_config_editor.fixables:
compliant = False
self.detailedresults += "\nFollowing option(s) not configured correctly in " + self.selinux_config_file + " :\n" + "\n".join(self.selinux_config_editor.fixables)
return compliant
def reportApparmor(self):
"""
:return:
"""
compliant = True
aa_enabled = "Yes"
# check if apparmor is installed
if not self.ph.check(self.mac_package):
compliant = False
self.detailedresults += "\nApparmor is not installed"
# check if apparmor is enabled
self.ch.executeCommand("/usr/bin/aa-enabled")
output = self.ch.getOutputString()
if not re.search(aa_enabled, output):
compliant = False
self.detailedresults += "\nApparmor is not enabled"
# check if boot configuration for apparmor is correct
f = open("/etc/default/grub", "r")
contents = f.readlines()
f.close()
for line in contents:
if re.search("GRUB_CMDLINE_LINUX_DEFAULT=", line):
if not re.search("apparmor=1", line):
compliant = False
self.detailedresults += "\nApparmor not enabled in boot config"
elif not re.search("security=apparmor", line):
compliant = False
self.detailedresults += "\nApparmor not enabled in boot config"
break
return compliant
def fix(self):
"""
:return:
"""
self.rulesuccess = True
self.detailedresults = ""
self.iditerator = 0
try:
if self.selinux:
if not self.fixSelinux():
self.rulesuccess = False
elif self.apparmor:
if not self.fixApparmor():
self.rulesuccess = False
else:
self.rulesuccess = False
self.detailedresults += "\nNeither SELinux nor Apparmor appears to be available to this system!"
except (KeyboardInterrupt, SystemExit):
raise
except:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess, self.detailedresults)
self.logger.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
def fixSelinux(self):
"""
:return:
"""
success = True
self.iditerator = 0
activate_utility = "/usr/sbin/selinux-activate"
# install selinux package if it is not installed
if not self.ph.check(self.mac_package):
if not self.ph.install(self.mac_package):
success = False
self.detailedresults += "\nFailed to install selinux package"
else:
# if we just installed selinux, then we need to discover the correct conf path
self.set_selinux_conf_path()
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype":"pkghelper",
"pkgname":self.mac_package}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(activate_utility):
self.ch.executeCommand(activate_utility)
output = self.ch.getOutputString()
if re.search("need to reboot", output, re.I):
self.detailedresults += "\nSElinux has been configured, but you will need to reboot before selinux can become active. This rule will not report compliant until this is done."
# set enforcement mode for selinux
self.ch.executeCommand("/usr/sbin/setenforce " + self.mode)
retcode = self.ch.getReturnCode()
if retcode != 0:
success = False
self.detailedresults += "\nFailed to set selinux mode to: " + self.mode
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.selinux_config_editor.setEventID(myid)
# configure the selinux config file for persistence through reboot
if not self.selinux_config_editor.fix():
success = False
self.detailedresults += "\nFailed to fix " + self.selinux_config_file
elif not self.selinux_config_editor.commit():
success = False
self.detailedresults += "\nFailed to fix " + self.selinux_config_file
return success
def fixApparmor(self):
"""
:return:
"""
success = True
profiles_dir = "/etc/apparmor.d/"
valid_modes = ["complain", "enforce"]
grub_file = "/etc/default/grub"
tmp_grub_file = grub_file + ".stonixtmp"
# install apparmor package if not installed
if not self.ph.check(self.mac_package):
if not self.ph.install(self.mac_package):
success = False
self.detailedresults += "\nFailed to install apparmor package"
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype":"pkghelper",
"pkgname":self.mac_package}
self.statechglogger.recordchgevent(myid, event)
if not self.ph.check("apparmor-profiles"):
self.ph.install("apparmor-profiles")
if not self.ph.check("apparmor-utils"):
self.ph.install("apparmor-utils")
# set apparmor enforcement mode
if self.mode.lower() in ["complain", "permissive"]:
self.ch.executeCommand("/usr/sbin/aa-complain " + profiles_dir + "*")
retcode = self.ch.getReturnCode()
if retcode != 0:
success = False
self.detailedresults += "\nFailed to set apparmor profiles to complain mode"
elif self.mode.lower() in ["enforce", "enforcing"]:
if os.path.exists(profiles_dir):
self.ch.executeCommand("/usr/sbin/aa-enforce " + profiles_dir + "*")
retcode = self.ch.getReturnCode()
if retcode != 0:
success = False
self.detailedresults += "\nFailed to set apparmor profiles to enforce mode"
else:
self.logger.log(LogPriority.DEBUG, "apparmor profiles directory does not exist")
success = False
self.detailedresults += "\nFailed to set apparmor mode to: " + self.mode
else:
success = False
self.detailedresults += "\nPlease specify one of the following options in the MODE field:\n" + "\n".join(valid_modes)
# correct apparmor boot config
# (can't use kveditor because it can't handle appending to a config line)
if os.path.exists(grub_file):
f = open(grub_file, "r")
contents = f.readlines()
f.close()
for n, i in enumerate(contents):
if re.search("GRUB_CMDLINE_LINUX_DEFAULT=", i):
contents[n] = i.strip()[:-1]+' apparmor=1 security=apparmor"\n'
tf = open(tmp_grub_file, "w")
tf.writelines(contents)
tf.close()
self.iditerator += 1
event = {"eventtype":"conf",
"filepath":grub_file}
myid = iterate(self.iditerator, self.rulenumber)
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(grub_file, tmp_grub_file, myid)
os.rename(tmp_grub_file, grub_file)
# run update-grub to apply the new grub config
self.ch.executeCommand("/usr/sbin/update-grub")
return success
class ConfigureSystemAuthentication(Rule):
"""
Configure system authentication and password settings in accordance
with rhel 7 stig requirements
"""
def __init__(self, config, environ, logger, statechglogger):
"""
:param config:
:param environ:
:param logger:
:param statechglogger:
"""
Rule.__init__(self, config, environ, logger, statechglogger)
self.logger = logger
self.rulenumber = 57
self.rulename = "ConfigureSystemAuthentication"
self.formatDetailedResults("initialize")
self.mandatory = True
self.sethelptext()
self.applicable = {'type': 'white',
'family': 'linux'}
datatype = "bool"
key = "CONFIGSYSAUTH"
instructions = "To disable this rule, set the value of " + \
"CONFIGSYSAUTH to False."
default = True
self.ci1 = self.initCi(datatype, key, instructions, default)
datatype = "bool"
key = "PASSWORDREQ"
instructions = "To not configure password requirements, set " + \
"PASSWORDREQ to False. This configuration item will configure " + \
"PAM's password requirements when changing to a new password."
default = True
self.ci2 = self.initCi(datatype, key, instructions, default)
datatype = "bool"
key = "PASSWORDFAIL"
instructions = "To not configure password fail locking, set " + \
"PASSWORDFAIL to False. This configuration item will " + \
"configure PAM's failed login attempts mechanism using either " + \
"faillock or tally2."
default = True
self.ci3 = self.initCi(datatype, key, instructions, default)
datatype = "bool"
key = "PWHASHING"
instructions = "To not set the hashing algorithm, set " + \
"PWHASHING to False. This configuration item will configure " + \
"libuser and/or login.defs, which specifies the hashing " + \
"algorithm to use."
default = True
self.ci4 = self.initCi(datatype, key, instructions, default)
self.guidance = ["NSA 2.3.3.1,", "NSA 2.3.3.2"]
self.created = False
self.localize()
def localize(self):
"""
set up session variables based on system platform and
version
"""
myos = self.environ.getostype().lower()
if re.search("suse", myos):
self.password = PASSWORD_ZYPPER
self.auth = AUTH_ZYPPER
self.acct = ACCOUNT_ZYPPER
elif re.search("debian|ubuntu", myos):
self.password = PASSWORD_APT
self.auth = AUTH_APT
self.acct = ACCOUNT_APT
else:
self.password = PASSWORD_YUM
self.auth = AUTH_YUM
self.acct = ACCOUNT_YUM
self.session = SESSION_YUM
def report(self):
"""
ConfigureSystemAuthentication() report method to report if system
is compliant with authentication and password settings
@author: Derek Walker
:return: self.compliant
:rtype: bool
"""
self.compliant = True
self.detailedresults = ""
self.ci2comp, self.ci3comp, self.ci4comp = True, True, True
try:
if not self.reportLinux():
self.compliant = False
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant, self.detailedresults)
self.logger.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def fix(self):
"""
ConfigureSystemAuthentication.fix() method to fix the system to be
compliant with authentication and password settings
@author: Derek Walker
:return: self.rulesuccess
:rtype: bool
"""
self.rulesuccess = True
self.detailedresults = ""
self.iditerator = 0
try:
if not self.ci1.getcurrvalue():
return self.rulesuccess
# delete past state change records from previous fix
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if not self.fixLinux():
self.rulesuccess = False
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess, self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
def reportLinux(self):
"""
Linux-specific submethod for config reporting
@author: Derek Walker
:return: compliant
:rtype: bool
"""
self.logindefs = "/etc/login.defs"
debug = ""
compliant = True
self.editor1, self.editor2 = "", ""
self.pwqeditor = ""
self.usingpwquality, self.usingcracklib = False, False
self.usingpamtally2, self.usingpamfail = False, False
self.created1, self.created2 = False, False
self.libuserfile = "/etc/libuser.conf"
self.ph = Pkghelper(self.logger, self.environ)
self.determine_pwreqs_mechanism()
# set pam password and authentication file paths
pampassfiles = ["/etc/pam.d/common-password", "/etc/pam.d/common-password-pc", "/etc/pam.d/password-auth", "/etc/pam.d/password-auth-ac"]
pamauthfiles = ["/etc/pam.d/common-auth", "/etc/pam.d/common-auth-pc", "/etc/pam.d/system-auth", "/etc/pam.d/system-auth-ac"]
for f in pampassfiles:
if os.path.isfile(f):
self.pampassfile = f
for f in pamauthfiles:
if os.path.isfile(f):
self.pamauthfile = f
if not bool(self.pampassfile and self.pamauthfile):
if self.ph.manager == "apt-get":
self.pampassfile = "/etc/pam.d/common-password"
self.pamauthfile = "/etc/pam.d/common-auth"
elif self.ph.manager == "zypper":
self.pampassfile = "/etc/pam.d/common-password-pc"
self.pamauthfile = "/etc/pam.d/common-auth-pc"
else:
self.pampassfile = "/etc/pam.d/password-auth"
self.pamauthfile = "/etc/pam.d/system-auth"
if not self.check_pwreqs_configured():
self.ci2comp = False
debug += "checkpasswordreqs method is False compliancy\n"
compliant = False
if not self.checkaccountlockout():
self.ci3comp = False
debug += "checkaccountlockout method is False compliancy\n"
compliant = False
if not self.checklogindefs():
self.ci4comp = False
debug += "checklogindefs method is False compliancy\n"
compliant = False
if not self.checklibuser():
self.ci4comp = False
debug += "checklibuser method is False compliancy\n"
compliant = False
if debug:
self.logger.log(LogPriority.DEBUG, debug)
if not self.check_showfailed_logins():
compliant = False
return compliant
def fixLinux(self):
"""
Linux specific submethod to correct linux distributions. If your
system is portage based, i.e. gentoo, you will need to do a manual
fix for everything except the login.defs file
@author: Derek Walker
:return: success
:rtype: bool
"""
success = True
try:
if self.ph.manager == "dnf":
if not self.ph.check("authconfig"):
self.ph.install("authconfig") # this is needed by fedora to continue
except:
pass
# """create backups of pamfiles"""
if os.path.exists(self.pampassfile):
createFile(self.pampassfile + ".backup", self.logger)
if os.path.exists(self.pamauthfile):
createFile(self.pamauthfile + ".backup", self.logger)
if self.ci2.getcurrvalue():
if not self.ci2comp:
# configure regex for pwquality
if self.usingpwquality:
self.password = re.sub("pam_cracklib\.so", "pam_pwquality.so", self.password)
if self.environ.getsystemfismacat() == "high":
self.password = re.sub("minlen=8", "minlen=14", self.password)
self.password = re.sub("minclass=3", "minclass=4", self.password)
regex = PWQUALITY_HIGH_REGEX
else:
regex = PWQUALITY_REGEX
if self.pwqinstalled:
if not self.setpasswordsetup(regex):
success = False
else:
if not self.setpasswordsetup(regex, self.pwqualitypkgs):
success = False
# configure regex for cracklib
elif self.usingcracklib:
self.password = re.sub("pam_pwquality\.so", "pam_cracklib.so", self.password)
if self.environ.getsystemfismacat() == "high":
self.password = re.sub("minlen=8", "minlen=14", self.password)
self.password = re.sub("minclass=3", "minclass=4", self.password)
regex = CRACKLIB_HIGH_REGEX
else:
regex = CRACKLIB_REGEX
if self.clinstalled:
if not self.setpasswordsetup(regex):
success = False
else:
if not self.setpasswordsetup(regex, self.cracklibpkgs):
success = False
else:
error = "Could not find pwquality/cracklib pam module. Fix failed."
self.logger.log(LogPriority.ERROR, error)
self.detailedresults += error + "\n"
return False
if self.ci3.getcurrvalue():
if not self.ci3comp:
if self.usingpamfail:
regex = PAMFAIL_REGEX
if not self.setaccountlockout(regex):
success = False
self.detailedresults += "Unable to configure pam for faillock\n"
elif self.usingpamtally2:
regex = PAMTALLY_REGEX
if not self.setaccountlockout(regex):
success = False
self.detailedresults += "Unable to configure pam for pam_tally2\n"
else:
self.detailedresults += "There is no account lockout program available for this system\n"
success = False
if self.ci4.getcurrvalue():
if not self.ci4comp:
if not self.checklibuser():
if not self.setlibuser():
debug = "setlibuser() failed\n"
self.detailedresults += "Unable to configure /etc/libuser.conf\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
if not self.checklogindefs():
if not self.setlogindefs():
debug = "setdefpasshash() failed\n"
self.logger.log(LogPriority.DEBUG, debug)
self.detailedresults += "Unable to configure /etc/login.defs file\n"
success = False
if not self.set_showfailed_logins():
success = False
return success
def check_showfailed_logins(self):
"""
config file: /etc/pam.d/postlogin-ac
config option: session required pam_lastlog.so showfailed
:return:
"""
configured = True
search_line = {"session": "required pam_lastlog.so showfailed"}
config_file = "/etc/pam.d/postlogin-ac"
tmpfile = config_file + ".stonixtmp"
self.lastlog_editor = KVEditorStonix(self.statechglogger, self.logger, "conf", config_file, tmpfile, search_line, "present", "space")
if not self.lastlog_editor.report():
configured = False
self.detailedresults += "\nShow failed logins option is not configured correctly in PAM"
return configured
def set_showfailed_logins(self):
"""
config file: /etc/pam.d/postlogin-ac
config option: session required pam_lastlog.so showfailed
:return: success
:rtype: bool
"""
success = True
if not self.lastlog_editor.fix():
success = False
self.detailedresults += "\nFailed to enable show failed logins option in PAM"
elif not self.lastlog_editor.commit():
success = False
self.detailedresults += "\nFailed to enable show failed logins option in PAM"
return success
def determine_pwreqs_mechanism(self):
"""
determine whether this system is using cracklib or pwquality
as a password requirements control mechanism
use pwquality by default since cracklib is legacy
"""
self.usingcracklib = False
self.usingpwquality = False
self.pwqualitypkg = ""
self.cracklibpkg = ""
# potential password requirements package names
self.cracklibpkgs = ["libpam-cracklib",
"cracklib"]
self.pwqualitypkgs = ["libpam-pwquality",
"pam_pwquality",
"libpwquality",
"libpwquality1"]
# pwquality check
for pkg in self.pwqualitypkgs:
if self.ph.check(pkg):
self.usingpwquality = True
self.pwqualitypkg = pkg
break
if not self.usingpwquality:
for pkg in self.pwqualitypkgs:
if self.ph.checkAvailable(pkg):
self.usingpwquality = True
self.pwqualitypkg = pkg
break
# cracklib check (only runs if pwquality check turns up nothing)
if not self.usingpwquality:
for pkg in self.cracklibpkgs:
if self.ph.check(pkg):
self.usingcracklib = True
self.cracklibpkg = pkg
break
if not self.usingcracklib:
for pkg in self.cracklibpkgs:
if self.ph.checkAvailable(pkg):
self.usingcracklib = True
self.cracklibpkg = pkg
break
def check_pwreqs_installed(self):
"""
determine if either a cracklib package or pwquality
package is installed
:return: installed
:rtype: bool
"""
installed = False
self.pwqinstalled = False
self.clinstalled = False
for pkg in self.pwqualitypkgs:
if self.ph.check(pkg):
self.pwqinstalled = True
for pkg in self.cracklibpkgs:
if self.ph.check(pkg):
self.clinstalled = True
if bool(self.clinstalled or self.pwqinstalled):
installed = True
return installed
def check_pwreqs_configured(self):
"""
check whether the password requirements have been properly configured
in PAM, using either cracklib or pwquality
:return: passwords_configured
:rtype: bool
"""
passwords_configured = True
if not self.check_pwreqs_installed():
passwords_configured = False
return passwords_configured
if self.usingpwquality:
if not self.pwqinstalled:
for pkg in self.pwqualitypkgs:
if self.ph.install(pkg):
self.pwqinstalled = True
break
if not self.checkpasswordsetup("pwquality"):
self.detailedresults += "System is using pwquality but it's not configured properly in PAM\n"
passwords_configured = False
elif self.usingcracklib:
if not self.clinstalled:
for pkg in self.cracklibpkgs:
if self.ph.install(pkg):
self.clinstalled = True
break
if not self.checkpasswordsetup("cracklib"):
self.detailedresults += "System is using cracklib but it's not configured properly in PAM\n"
passwords_configured = False
return passwords_configured
def checkpasswordsetup(self, package):
"""
Method called from within checkpasswordreqs method
@author: Derek Walker
:param package: string; name of package to check for
:return: compliant
:rtype: bool
"""
compliant = True
regex1 = ""
if package == "pwquality":
self.password = re.sub("pam_cracklib\.so", "pam_pwquality.so", self.password)
if self.environ.getsystemfismacat() == "high":
self.password = re.sub("minlen=8", "minlen=14", self.password)
self.password = re.sub("minclass=3", "minclass=4", self.password)
regex1 = PWQUALITY_HIGH_REGEX
else:
regex1 = PWQUALITY_REGEX
if not self.chkpwquality():
compliant = False
elif package == "cracklib":
self.password = re.sub("pam_pwquality\.so", "pam_cracklib.so", self.password)
if self.environ.getsystemfismacat() == "high":
self.password = re.sub("minlen=8", "minlen=14", self.password)
self.password = re.sub("minclass=3", "minclass=4", self.password)
regex1 = CRACKLIB_HIGH_REGEX
else:
regex1 = CRACKLIB_REGEX
regex2 = "^password[ \t]+sufficient[ \t]+pam_unix.so\s+sha512\s+shadow\s+try_first_pass\s+use_authtok\s+remember=10"
pamfiles = []
if self.ph.manager in ("yum", "dnf"):
pamfiles.append(self.pamauthfile)
pamfiles.append(self.pampassfile)
else:
pamfiles.append(self.pampassfile)
for pamfile in pamfiles:
found1, found2 = False, False
if not os.path.exists(pamfile):
self.detailedresults += pamfile + " doesn't exist\n"
compliant = False
else:
if not checkPerms(pamfile, [0, 0, 0o644], self.logger):
self.detailedresults += "Incorrect permissions or ownership exist for file " + pamfile
compliant = False
contents = readFile(pamfile, self.logger)
if not contents:
self.detailedresults += pamfile + " is blank\n"
compliant = False
else:
for line in contents:
if re.search(regex1, line.strip()):
found1 = True
if re.search(regex2, line.strip()):
found2 = True
if not found1:
self.detailedresults += "\n'password requisite ...' line not correct in " + pamfile
if not found2:
self.detailedresults += "\n'password sufficient ...' line not correct in " + pamfile
compliant = False
return compliant
def setpasswordsetup(self, regex1, pkglist = None):
"""
configure password requirements in pam, install necessary packages
:param regex1: string; regular expression
:param pkglist: list; string names of packages to install
:return: success
:rtype: bool
"""
regex2 = "^password[ \t]+sufficient[ \t]+pam_unix.so sha512 shadow " + \
"try_first_pass use_authtok remember=10"
success = True
pamfiles = []
installed = False
if pkglist:
for pkg in pkglist:
if self.ph.check(pkg):
installed = True
break
else:
installed = True
if not installed:
for pkg in pkglist:
if self.ph.checkAvailable(pkg):
if not self.ph.install(pkg):
self.detailedresults += "Unable to install pkg " + pkg + "\n"
return False
else:
installed = True
if self.usingpwquality:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
comm = self.ph.getRemove() + pkg
event = {"eventtype": "commandstring",
"command": comm}
self.statechglogger.recordchgevent(myid, event)
pwqfile = "/etc/security/pwquality.conf"
tmpfile = pwqfile + ".stonixtmp"
if self.environ.getsystemfismacat() == "high":
data = {"difok": "7",
"minlen": "14",
"dcredit": "0",
"ucredit": "0",
"lcredit": "0",
"ocredit": "0",
"maxrepeat": "3",
"minclass": "4"}
else:
data = {"difok": "7",
"minlen": "8",
"dcredit": "0",
"ucredit": "0",
"lcredit": "0",
"ocredit": "0",
"maxrepeat": "3",
"minclass": "3"}
self.pwqeditor = KVEditorStonix(self.statechglogger,
self.logger, "conf",
pwqfile, tmpfile, data,
"present", "openeq")
self.pwqeditor.report()
break
if not installed:
self.detailedresults += "No password checking program available\n"
return False
if self.usingpwquality:
if not self.setpwquality():
success = False
if self.ph.manager in ("yum", "dnf"):
writecontents = self.auth + "\n" + self.acct + "\n" + \
self.password + "\n" + self.session
pamfiles.append(self.pamauthfile)
pamfiles.append(self.pampassfile)
else:
writecontents = self.password
pamfiles.append(self.pampassfile)
for pamfile in pamfiles:
if not os.path.exists(pamfile):
self.detailedresults += pamfile + " doesn't exist.\n" + \
"Stonix will not attempt to create this file " + \
"and the fix for the this rule will not continue\n"
return False
# """Check permissions on pam file(s)"""
for pamfile in pamfiles:
if not checkPerms(pamfile, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(pamfile, [0, 0, 0o644], self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set correct permissions on " + pamfile + "\n"
contents = readFile(pamfile, self.logger)
found1, found2 = False, False
for line in contents:
if re.search(regex1, line.strip()):
found1 = True
if re.search(regex2, line.strip()):
found2 = True
if not found1 or not found2:
tmpfile = pamfile + ".stonixtmp"
if writeFile(tmpfile, writecontents, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': pamfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(pamfile, tmpfile, myid)
os.rename(tmpfile, pamfile)
os.chown(pamfile, 0, 0)
os.chmod(pamfile, 0o644)
resetsecon(pamfile)
else:
self.detailedresults += "Unable to write to " + pamfile + "\n"
success = False
return success
def checkaccountlockout(self):
"""
Method to determine which account locking program to
use if any
@author: Derek Walker
:return: compliant
:rtype: bool
"""
which = "/usr/bin/which "
cmd1 = which + "faillock"
cmd2 = which + "pam_tally2"
ch = CommandHelper(self.logger)
pamfiles = []
compliant = True
regex = ""
if ch.executeCommand(cmd1):
debug = "ran " + cmd1 + " successfully\n"
self.logger.log(LogPriority.DEBUG, debug)
if ch.getReturnCode() == 0:
debug = "return code of 0 and using faillock\n"
self.logger.log(LogPriority.DEBUG, debug)
self.usingpamfail = True
elif ch.executeCommand(cmd2):
debug = "ran " + cmd2 + " successfully\n"
self.logger.log(LogPriority.DEBUG, debug)
if ch.getReturnCode() == 0:
debug = "return code of 0 and using pam_tally2\n"
self.logger.log(LogPriority.DEBUG, debug)
self.usingpamtally2 = True
else:
self.detailedresults += "There is no account " + \
"locking program available for this " + \
"distribution\n"
return False
elif ch.executeCommand(cmd2):
debug = "ran " + cmd2 + " successfully\n"
self.logger.log(LogPriority.DEBUG, debug)
if ch.getReturnCode() == 0:
debug = "return code of 0 and using pam_tally2\n"
self.logger.log(LogPriority.DEBUG, debug)
self.usingpamtally2 = True
else:
self.detailedresults += "There is no account " + \
"locking program available for this " + \
"distribution\n"
return False
else:
self.detailedresults += "There is no account " + \
"locking program available for this " + \
"distribution\n"
return False
if self.usingpamfail:
regex = "^auth[ \t]+required[ \t]+pam_faillock.so preauth silent audit " + \
"deny=5 unlock_time=900 fail_interval=900"
elif self.usingpamtally2:
regex = "^auth[ \t]+required[ \t]+pam_tally2.so deny=5 " + \
"unlock_time=900 onerr=fail"
if self.ph.manager in("yum", "dnf"):
pamfiles.append(self.pamauthfile)
pamfiles.append(self.pampassfile)
else:
pamfiles.append(self.pamauthfile)
for pamfile in pamfiles:
found = False
if not os.path.exists(pamfile):
self.detailedresults += "Critical pam file " + pamfile + " doesn't exist\n"
compliant = False
else:
if not checkPerms(pamfile, [0, 0, 0o644], self.logger):
self.detailedresults += "Permissions aren't correct on " + pamfile + "\n"
self.ci3comp = False
compliant = False
contents = readFile(pamfile, self.logger)
if not contents:
self.detailedresults += pamfile + " is blank\n"
self.ci3comp = False
compliant = False
else:
for line in contents:
if re.search(regex, line.strip()):
found = True
if not found:
self.detailedresults += "Didn't find the correct contents in " + pamfile + "\n"
self.ci3comp = False
compliant = False
return compliant
def setaccountlockout(self, regex):
"""
configure the account lockout time in pam
:param regex: string; regular expression
:return: success
:rtype: bool
"""
success = True
pamfiles = []
if self.ph.manager in ("yum", "dnf"):
pamfiles.append(self.pamauthfile)
pamfiles.append(self.pampassfile)
writecontents = self.auth + "\n" + self.acct + "\n" + \
self.password + "\n" + self.session
else:
pamfiles.append(self.pamauthfile)
writecontents = self.auth
for pamfile in pamfiles:
if not os.path.exists(pamfile):
self.detailedresults += pamfile + " doesn't exist.\n" + \
"Stonix will not attempt to create this file " + \
"and the fix for the this rule will not continue\n"
return False
# """Check permissions on pam file(s)"""
for pamfile in pamfiles:
if not checkPerms(pamfile, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(pamfile, [0, 0, 0o644], self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set " + \
"correct permissions on " + pamfile + "\n"
contents = readFile(pamfile, self.logger)
found = False
for line in contents:
if re.search(regex, line.strip()):
found = True
if not found:
tmpfile = pamfile + ".stonixtmp"
if writeFile(tmpfile, writecontents, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': pamfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(pamfile, tmpfile, myid)
os.rename(tmpfile, pamfile)
os.chown(pamfile, 0, 0)
os.chmod(pamfile, 0o644)
resetsecon(pamfile)
else:
self.detailedresults += "Unable to write to " + pamfile + "\n"
success = False
return success
def chkpwquality(self):
"""
check settings of pwquality pam plugin
:return: compliant
:rtype: bool
"""
compliant = True
pwqfile = "/etc/security/pwquality.conf"
if os.path.exists(pwqfile):
tmpfile = pwqfile + ".stonixtmp"
if self.environ.getsystemfismacat() == "high":
data = {"difok": "7",
"minlen": "14",
"dcredit": "0",
"ucredit": "0",
"lcredit": "0",
"ocredit": "0",
"maxrepeat": "3",
"minclass": "4"}
else:
data = {"difok": "7",
"minlen": "8",
"dcredit": "0",
"ucredit": "0",
"lcredit": "0",
"ocredit": "0",
"maxrepeat": "3",
"minclass": "3"}
self.pwqeditor = KVEditorStonix(self.statechglogger, self.logger,
"conf", pwqfile, tmpfile, data,
"present", "openeq")
if not self.pwqeditor.report():
compliant = False
self.detailedresults += "Not all correct contents were found in " + pwqfile + "\n"
else:
compliant = False
self.detailedresults += "System is using pwquality and crucial file /etc/security/pwquality.conf doesn't exist\n"
return compliant
def checklogindefs(self):
"""
Method to check the password hash algorithm settings in
login.defs
:return: compliant
:rtype: bool
"""
compliant = True
if os.path.exists(self.logindefs):
if not checkPerms(self.logindefs, [0, 0, 0o644], self.logger):
self.detailedresults += "Permissions incorrect for " + \
self.logindefs + " file\n"
compliant = False
data = {"MD5_CRYPT_ENAB": "no",
"ENCRYPT_METHOD": "SHA512",
"PASS_MAX_DAYS": "180",
"PASS_MIN_DAYS": "1",
"PASS_WARN_AGE": "7",
"FAIL_DELAY": "4"}
tmppath = self.logindefs + ".stonixtmp"
self.editor2 = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.logindefs, tmppath,
data, "present", "space")
if not self.editor2.report():
debug = self.logindefs + " doesn't contain the correct " + \
"contents\n"
self.detailedresults += self.logindefs + " doesn't contain " + \
"the correct contents\n"
self.logger.log(LogPriority.DEBUG, debug)
compliant = False
return compliant
def checklibuser(self):
"""
Private method to check the password hash algorithm settings in
libuser.conf
@author: Derek Walker
:return: compliant
:rtype: bool
"""
compliant = True
# """check if libuser is intalled"""
if not self.ph.check("libuser"):
# """if not, check if available"""
if self.ph.checkAvailable("libuser"):
self.detailedresults += "libuser available but not installed\n"
return False
else:
# """not available, not a problem"""
return True
# """create a kveditor for file if it exists, if not, we do it in
# the setlibuser method inside the fix"""
if os.path.exists(self.libuserfile):
data = {"defaults": {"crypt_style": "sha512"}}
datatype = "tagconf"
intent = "present"
tmppath = self.libuserfile + ".stonixtmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
datatype, self.libuserfile,
tmppath, data, intent, "openeq")
if not self.editor1.report():
debug = "/etc/libuser.conf doesn't contain the correct contents\n"
self.detailedresults += "/etc/libuser.conf doesn't contain the correct contents\n"
self.logger.log(LogPriority.DEBUG, debug)
compliant = False
if not checkPerms(self.libuserfile, [0, 0, 0o644], self.logger):
self.detailedresults += "Permissions are incorrect on " + self.libuserfile + "\n"
compliant = False
else:
self.detailedresults += "Libuser installed but libuser file doesn't exist\n"
compliant = False
return compliant
def setpwquality(self):
"""
:return:
"""
success = True
created = False
pwqfile = "/etc/security/pwquality.conf"
if not os.path.exists(pwqfile):
createFile(pwqfile, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'creation',
'filepath': pwqfile}
self.statechglogger.recordchgevent(myid, event)
created = True
tmpfile = pwqfile + ".stonixtmp"
if self.environ.getsystemfismacat() == "high":
data = {"difok": "7",
"minlen": "14",
"dcredit": "0",
"ucredit": "0",
"lcredit": "0",
"ocredit": "0",
"maxrepeat": "3",
"minclass": "4"}
else:
data = {"difok": "7",
"minlen": "8",
"dcredit": "0",
"ucredit": "0",
"lcredit": "0",
"ocredit": "0",
"maxrepeat": "3",
"minclass": "3"}
self.pwqeditor = KVEditorStonix(self.statechglogger, self.logger,
"conf", pwqfile, tmpfile, data,
"present", "openeq")
self.pwqeditor.report()
if self.pwqeditor.fixables:
if self.pwqeditor.fix():
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.pwqeditor.setEventID(myid)
if not self.pwqeditor.commit():
success = False
self.detailedresults += "Unable to correct " + pwqfile + "\n"
else:
success = False
self.detailedresults += "Unable to correct " + pwqfile + "\n"
return success
def setlibuser(self):
"""Method to check if libuser is installed and the contents of libuser
file.
@author: Derek Walker
:return: bool
"""
created = False
success = True
data = {"defaults": {"crypt_style": "sha512"}}
# """check if installed"""
if not self.ph.check("libuser"):
# """if not installed, check if available"""
if self.ph.checkAvailable("libuser"):
# """if available, install it"""
if not self.ph.install("libuser"):
self.detailedresults += "Unable to install libuser\n"
return False
else:
# """since we're just now installing it we know we now
# need to create the kveditor"""
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
comm = self.ph.getRemove() + "libuser"
event = {"eventtype": "commandstring",
"command": comm}
self.statechglogger.recordchgevent(myid, event)
datatype = "tagconf"
intent = "present"
tmppath = self.libuserfile + ".stonixtmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
datatype, self.libuserfile,
tmppath, data, intent, "openeq")
self.editor1.report()
else:
return True
if not os.path.exists(self.libuserfile):
if not createFile(self.libuserfile, self.logger):
self.detailedresults += "Unable to create libuser file\n"
debug = "Unable to create the libuser file\n"
self.logger.log(LogPriority.DEBUG, debug)
return False
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.libuserfile}
self.statechglogger.recordchgevent(myid, event)
tmppath = self.libuserfile + ".stonixtmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
"tagconf", self.libuserfile,
tmppath, data, "present", "openeq")
self.editor1.report()
if not checkPerms(self.libuserfile, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.libuserfile, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set the permissions on " + self.libuserfile + "\n"
elif not setPerms(self.libuserfile, [0, 0, 0o644], self.logger):
success = False
self.detailedresults += "Unable to set the permissions on " + self.libuserfile + "\n"
if self.editor1.fixables:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor1.setEventID(myid)
if self.editor1.fix():
if self.editor1.commit():
debug = "/etc/libuser.conf has been corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown(self.libuserfile, 0, 0)
os.chmod(self.libuserfile, 0o644)
resetsecon(self.libuserfile)
else:
self.detailedresults += "/etc/libuser.conf couldn't be corrected\n"
success = False
else:
self.detailedresults += "/etc/libuser.conf couldn't be corrected\n"
success = False
return success
def setlogindefs(self):
"""
configure login.defs options
:return: success
:rtype: bool
"""
success = True
if not checkPerms(self.logindefs, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.logindefs, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
self.detailedresults += "Unable to set permissions on " + self.logindefs + " file\n"
success = False
if self.editor2:
if self.editor2.fixables:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor2.setEventID(myid)
if self.editor2.fix():
if self.editor2.commit():
debug = "/etc/login.defs file has been corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown(self.logindefs, 0, 0)
os.chmod(self.logindefs, 0o644)
resetsecon(self.logindefs)
else:
debug = "Unable to correct the contents of /etc/login.defs\n"
self.detailedresults += "Unable to correct the contents of /etc/login.defs\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
self.detailedresults += "Unable to correct the contents of /etc/login.defs\n"
debug = "Unable to correct the contents of /etc/login.defs\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
return success
class ConfigureScreenLocking(RuleKVEditor):
def __init__(self, config, environ, logdispatcher, statechglogger):
RuleKVEditor.__init__(self, config, environ, logdispatcher,
statechglogger)
self.logger = logdispatcher
self.rulenumber = 74
self.rulename = "ConfigureScreenLocking"
self.mandatory = True
self.rootrequired = False
self.applicable = {
'type': 'white',
'family': ['linux', 'solaris', 'freebsd'],
'os': {
'Mac OS X': ['10.15', 'r', '10.15.10']
}
}
self.effectiveUserID = self.environ.geteuid()
self.sethelptext()
self.formatDetailedResults("initialize")
self.guidance = ["NSA 2.3.5.6.1"]
if self.environ.getosfamily() == "darwin":
if self.effectiveUserID == 0:
self.addKVEditor(
"SystemAskForPasswordSystem", "defaults",
"/Library/Preferences/com.apple.screensaver", "",
{"askForPassword": ["1", "-int 1"]}, "present", "",
"Ask for password when system wide " +
"screen saver is on.", None, False,
{"askForPassword": ["0", "-int 0"]})
self.addKVEditor(
"SystemSetScreenSaverIdleTime", "defaults",
"/Library/Preferences/com.apple.screensaver", "",
{"idleTime": ["840", "-int 840"]}, "present", "",
"Sets system the screen saver to " +
"activate after 14 minutes of idleTime.", None, False, {
"idleTime": [
"The domain/default pair of ( .+" +
"com\.apple\.screensaver, " +
"idleTime) does not " + "exist", None
]
})
self.addKVEditor(
"SystemLoginWindowIdleTime", "defaults",
"/Library/Preferences/com.apple.screensaver", "",
{"loginWindowIdleTime": ["840", "-int 840"]}, "present",
"", "Sets system LoginWindowIdleTime to " + "14 minutes.",
None, False, {
"loginWindowIdleTime": [
"The domain/default pair of ( .+" +
"com\.apple\.screensaver, " +
"loginWindowIdleTime) does not " + "exist", None
]
})
else:
self.addKVEditor(
"AskForPassword", "defaults",
"~/Library/Preferences/com.apple.screensaver", "",
{"askForPassword": ["1", "-int 1"]}, "present", "",
"Ask for password when screen saver is on.", None, False,
{"askForPassword": ["0", "-int 0"]})
self.addKVEditor(
"AskForPasswordDelay", "defaults",
"~/Library/Preferences/com.apple.screensaver", "",
{"askForPasswordDelay": ["0", "-int 0"]}, "present", "",
"Delay asking for password by 0 seconds.", None, False, {
"askForPasswordDelay": [
"The domain/default pair of ( .+" +
"com\.apple\.screensaver, " +
"askForPassword) does not " + "exist", None
]
})
else:
datatype = 'bool'
key = 'CONFIGURESCREENLOCKING'
instructions = "To prevent the configuration of idle screen locking, set the value of CONFIGURESCREENLOCKING to False."
default = True
self.ci = self.initCi(datatype, key, instructions, default)
#self.gnomeInst variable determines in the fixGnome method
#at the beginning if we even proceed. If False we don't proceed
#and is fine. Gets set to True in reportGnome method if
#either gconftool-2 or gsettings binaries exist.
self.gnomeInst = False
self.useGconf = True
self.iditerator = 0
self.cmdhelper = CommandHelper(self.logger)
self.ph = Pkghelper(self.logger, self.environ)
self.ch = CommandHelper(self.logger)
self.euid = self.environ.geteuid()
def report(self):
"""ConfigureScreenLocking.report() method to report whether system
is configured to screen locking NSA standards. If the system is linux,
although many desktops are available, this rule will only check the
two most popular desktops, KDE, and Gnome.
@author: dwalker
:param self: essential if you override this definition
:return: self.compliant
:rtype: bool
"""
self.detailedresults = ""
self.compliant = True
try:
compliant = True
self.detailedresults = ""
if self.environ.osfamily == 'linux':
if not self.check_package():
compliant = False
if self.euid != 0:
self.detailedresults += "\nThis is expected if not running with elevated privileges since STONIX " \
"requires elevated privileges to install packages. Please run STONIX with elevated privileges " \
"and run the fix for this rule again, to fix this issue."
if self.ph.check("gdm") or self.ph.check("gdm3"):
self.gnomeInstalled = True
if not self.reportGnome():
self.detailedresults += "\nGnome GUI environment " + \
"does not appear to be correctly configured " + \
"for screen locking parameters."
compliant = False
else:
self.detailedresults += "\nGnome GUI environment " + \
"appears to be correctly configured for " + \
"screen locking parameters."
else:
self.gnomeInstalled = False
self.detailedresults += "\nGnome not installed. No need to configure for gnome."
if self.ph.check("kdm") or self.ph.check("kde-workspace") or \
self.ph.check("sddm") or self.ph.check("patterns-kde-kde_yast"):
self.kdeInstalled = True
if not self.reportKde():
self.detailedresults += "\nKDE GUI environment " + \
"does not appear to be correctly configured " + \
"for screen locking parameters."
compliant = False
else:
self.detailedresults += "\nKDE GUI environment " + \
"appears to be correctly configured for " + \
"screen locking parameters."
else:
self.kdeInstalled = False
self.detailedresults += "\nKDE not installed. No need to configure for kde."
elif self.environ.getosfamily() == "darwin":
compliant = self.reportMac()
self.compliant = compliant
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.compliant = False
self.detailedresults += traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def check_package(self):
"""
for rhel 7 and similar generation linux rpm-based systems, the
'screen' package is required by the STIG
for rhel 8 and beyond (and similar), the 'tmux' package
is required.
:return: installed
:rtype: bool
"""
self.screen_pkg = ""
installed = True
if self.ph.checkAvailable("tmux"):
self.screen_pkg = "tmux"
elif self.ph.check("tmux"):
self.screen_pkg = "tmux"
else:
self.screen_pkg = "screen"
if not self.ph.check(self.screen_pkg):
self.detailedresults += "\nThe required package: " + str(
self.screen_pkg) + " is not installed"
installed = False
else:
self.detailedresults += "\nThe required package: " + str(
self.screen_pkg) + " is installed"
return installed
def reportMac(self):
"""Mac osx specific report submethod
@author: dwalker
:param self: essential if you override this definition
:returns: bool - True if system is compliant, False if it isn't
"""
success = RuleKVEditor.report(self, True)
return success
def reportGnome(self):
"""determines if gnome is installed, if so, checks to see if the
return value strings from running the gconftool-2 command are
correct. Gconftool-2 command only works in root mode so if not root
do not audit gnome and just return true
@author: dwalker
:param self: essential if you override this definition
:returns: bool
@change: dwalker - mass refactor, added comments
"""
compliant = True
gsettings = "/usr/bin/gsettings"
gconf = "/usr/bin/gconftool-2"
self.gesttingsidletime = ""
self.gconfidletime = ""
self.setcmds = ""
#may need to change code in the future to make gconf and
#gsettings mutually exclusive with if elif else self.gnomeInstalled = False
#if they are found to conflict with each other
if os.path.exists(gconf):
getcmds = {
"/apps/gnome-screensaver/idle_activation_enabled": "true",
"/apps/gnome-screensaver/lock_enabled": "true",
"/apps/gnome-screensaver/mode": "blank-only",
"/desktop/gnome/session/idle_delay": "15"
}
#make a copy of the getcmds dictionary
tempdict = dict(getcmds)
#check each value using the gconftool-2 command
for cmd in getcmds:
#set the get command for each value
cmd2 = gconf + " --get " + cmd
#execute the command
self.cmdhelper.executeCommand(cmd2)
#get output and error output
output = self.cmdhelper.getOutput()
error = self.cmdhelper.getError()
#the value is set
if output:
#check this one separately since the value is
#also able to be less than 15 mins and be compliant
if cmd == "/desktop/gnome/session/idle_delay":
if int(output[0].strip()) > 15:
self.detailedresults += "Idle delay value " + \
"is not 15 or lower (value: " + \
output[0].strip() + ")\n"
#if they have a value less than 15 mins this is ok
#and we set the self.gconfidletime variable which is
#used during setting gconf values in the fixGnome method
elif int(output[0].strip()) < 15:
self.gconfidletime = output[0].strip()
del tempdict[cmd]
#value is correct so remove it from the tempdic
else:
del tempdict[cmd]
#check if value is correct with associated key
elif output[0].strip() != getcmds[cmd]:
self.detailedresults += cmd2 + " didn't produce the " + \
"desired value after being run which is " + \
getcmds[cmd] + "\n"
#value is correct so remove it from the tempdict
else:
del tempdict[cmd]
#else the value isn't set
elif error:
self.detailedresults += "There is no value set for:\n" + \
cmd2 + "\n"
#if tempdict still has leftover values then
#there were values that weren't correctly set
#and is non compliant
if tempdict:
compliant = False
#set self.setcmds variable to be a copy of tempdict which
#we use later in the fix to determine if we fix this portion
#of the rule or not
self.setcmds = tempdict
if os.path.exists(gsettings):
self.gnomeInst = True
#use gsettings command to see if the correct values are set
#for each key in getcmds dictionary
getcmds = {
" get org.gnome.desktop.screensaver " + "idle-activation-enabled":
"true",
" get org.gnome.desktop.screensaver lock-enabled": "true",
" get org.gnome.desktop.screensaver lock-delay": "0",
" get org.gnome.desktop.screensaver picture-opacity": "100",
" get org.gnome.desktop.screensaver picture-uri": "''",
" get org.gnome.desktop.session idle-delay": "900"
}
#run each gsettings get command for each key and get value
for cmd in getcmds:
cmd2 = gsettings + cmd
self.cmdhelper.executeCommand(cmd2)
output = self.cmdhelper.getOutput()
error = self.cmdhelper.getError()
if output:
#check this one separately since the value is
#also able to be less than 900 secs and be compliant
if cmd == " get org.gnome.desktop.session idle-delay":
try:
splitOut = output[0].split()
if len(splitOut) > 1:
num = splitOut[1]
else:
num = splitOut[0]
if int(num) > 900:
compliant = False
self.detailedresults += "Idle delay value " + \
"is not 900 seconds (value: " +\
num + ")\n"
#if they have a value less than 900 secs this is ok
#and we set the self.gsettingsidletime variable which is
#used during setting gsettings values in the fixGnome method
# elif int(num) < 900:
# self.gsettingsidletime = num
elif int(num) == 0:
compliant = False
self.detailedresults += "Idle delay set " + \
"to 0, meaning it is disabled.\n"
else:
self.gsettingsidletime = "900"
except ValueError:
self.detailedresults += "Unexpected result: " + \
'"' + cmd2 + '" output was not a number\n'
compliant = False
elif cmd == " get org.gnome.desktop.screensaver lock-delay":
try:
splitOut = output[0].split()
if len(splitOut) > 1:
num = splitOut[1]
else:
num = splitOut[0]
if int(num) != 0:
compliant = False
self.detailedresults += "Lock delay is not " + \
"set to 0\n"
except ValueError:
self.detailedresults += "Unexpected result: " + \
'"' + cmd2 + '" output was not a number\n'
compliant = False
elif output[0].strip() != getcmds[cmd]:
self.detailedresults += '"' + cmd2 + \
"\" produced value: " + output[0].strip() + \
" instead of the desired value: " + getcmds[cmd] + "\n"
compliant = False
elif error:
if re.search("No such key", error[0], re.I):
continue
self.detailedresults += "There is no value set for:" + \
cmd2 + "\n"
compliant = False
if self.environ.geteuid() == 0:
# instantiate a kveditor to ensure self.dconfsettings file
# contains correct contents
self.dconfsettings = "/etc/dconf/db/local.d/local.key"
if os.path.exists(self.dconfsettings):
self.dconfdata = {
"org/gnome/desktop/screensaver": {
"idle-activation-enabled": "true",
"lock-enabled": "true",
"lock-delay": "0",
"picture-opacity": "100",
"picture-uri": "\'\'"
},
"org/gnome/desktop/session": {
"idle-delay": "uint32 900"
}
}
self.kveditordconf = KVEditorStonix(
self.statechglogger, self.logger, "tagconf",
self.dconfsettings, self.dconfsettings + ".tmp",
self.dconfdata, "present", "closedeq")
if not self.kveditordconf.report():
self.detailedresults += self.dconfsettings + \
" doesn't cotain correct contents\n"
compliant = False
else:
compliant = False
self.detailedresults += self.dconfsettings + " not found\n"
# check self.dconfuserprofile file to ensure existence
# and/or correct contents
self.dconfuserprofile = "/etc/dconf/profile/user"
self.userprofilecontent = "user-db:user\n" + \
"system-db:local"
if os.path.exists(self.dconfuserprofile):
contents = readFile(self.dconfuserprofile, self.logger)
contentstring = ""
for line in contents:
contentstring += line
if not re.search(self.userprofilecontent, contentstring):
compliant = False
self.detailedresults += "Correct contents weren't " + \
"found in " + self.dconfuserprofile + "\n"
else:
compliant = False
self.detailedresults += self.dconfuserprofile + " not " + \
"found\n"
# the following file locks the settings we earlier set with the
# gsettings command so that they don't default upon logout and/or
# reboot. Check the file for the correct contents
self.dconfsettingslock = "/etc/dconf/db/local.d/locks/stonix-settings.conf"
self.dconflockdata = [
"/org/gnome/desktop/session/idle-delay",
"/org/gnome/desktop/screensaver/idle-activation-enabled",
"/org/gnome/desktop/screensaver/lock-enabled",
"/org/gnome/desktop/screensaver/lock-delay",
"/org/gnome/desktop/screensaver/picture-uri"
]
locks_missing = []
if os.path.exists(self.dconfsettingslock):
contents = readFile(self.dconfsettingslock, self.logger)
for line in contents:
if line.strip() not in self.dconflockdata:
locks_missing.append(line.strip())
if locks_missing:
self.detailedresults += "\nThe following settings should be locked from changes by the user but aren't:\n" + "\n".join(
locks_missing)
compliant = False
else:
compliant = False
self.detailedresults += "\nGnome settings lock file not found"
return compliant
def reportKde(self):
"""determines if kde is installed, if so, ensures kde is configured
by enabling screenlocking, automatically going black after 14 minutes
and if inactivity ensues after 14 minutes, screen fully locks after 1
additional minute of inactivity for a total of 15 minutes activity
@author: dwalker
:param self: essential if you override this definition
:returns: bool
"""
self.kdefix = {}
if self.ph.manager == "apt-get" or self.ph.manager == "zypper":
self.rcpath = ".config/kscreenlockerrc"
self.kdeprops = {
"Daemon": {
"Autolock": "true",
"LockGrace": "60",
"LockOnResume": "true",
"Timeout": "14"
}
}
else:
self.rcpath = ".kde/share/config/kscreensaverrc"
self.kdeprops = {
"ScreenSaver": {
"Enabled": "true",
"Lock": "true",
"LockGrace": "60000",
"Timeout": "840"
}
}
if self.environ.geteuid() == 0:
contents = readFile("/etc/passwd", self.logger)
for line in contents:
temp = line.split(":")
try:
username = temp[0]
homepath = temp[5]
except IndexError:
self.logdispatch.log(LogPriority.DEBUG, [
'ConfigureScreenLocking',
'IndexError processing ' + str(temp)
])
continue
kdeparent1 = os.path.join(homepath, ".kde")
kdeparent2 = os.path.join(homepath, ".kde4")
kdefile = os.path.join(homepath, self.rcpath)
if not os.path.exists(kdeparent1) and not os.path.exists(
kdeparent2):
# User does not user KDE
continue
elif not os.path.exists(kdefile):
self.kdefix[username] = homepath
self.detailedresults += kdefile + " not found for " + \
str(username) + "\n"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
continue
elif not self.searchFile(kdefile):
self.detailedresults += "Did not find " + \
"required contents " + "in " + username + \
"'s " + kdefile + "\n"
self.kdefix[username] = homepath
if self.kdefix:
self.detailedresults += "The following users don't " + \
"have kde properly configured for " + \
"screen locking:\n"
for user in self.kdefix:
self.detailedresults += user + "\n"
return False
else:
return True
else:
kdeparent1 = os.path.join(self.environ.geteuidhome(), ".kde")
kdeparent2 = os.path.join(self.environ.geteuidhome(), ".kde4")
kdefile = os.path.join(self.environ.geteuidhome(), self.rcpath)
if not os.path.exists(kdeparent1) and not os.path.exists(
kdeparent2):
self.detailedresults += "Current user doesn't use kde. " + \
"No need to configure.\n"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
return True
else:
if not os.path.exists(kdefile):
self.detailedresults += "Your " + kdefile + \
" file doesn't exist.\n"
return False
elif not self.searchFile(kdefile):
self.detailedresults += "Did not find " + \
"required contents in " + kdefile + "\n"
return False
else:
return True
def fix(self):
"""ConfigureScreenLocking.fix() method to correct screen locking
@author: dwalker
:param self: essential if you override this definition
:returns: bool - True if fix is successful, False if it isn't
"""
self.detailedresults = ""
self.rulesuccess = True
self.iditerator = 0
try:
self.detailedresults = ""
success = True
if self.environ.getosfamily() == "linux":
if not self.ci.getcurrvalue():
self.detailedresults += "Rule not enabled so nothing was done\n"
self.logger.log(
LogPriority.DEBUG,
'Rule was not enabled, so nothing was done')
return
if self.euid == 0:
if not self.ph.install(self.screen_pkg):
success = False
self.logger.log(
LogPriority.DEBUG,
"Failed to install required package 'screen'")
else:
self.detailedresults += "\nNote: Some required packages may not be installed because STONIX is not running with elevated privileges."
if self.gnomeInstalled:
if not self.fixGnome():
success = False
if self.kdeInstalled:
if not self.fixKde():
success = False
elif self.environ.getosfamily() == "darwin":
if self.environ.geteuid() == 0:
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(
self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
success = self.fixMac()
self.rulesuccess = success
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.detailedresults += "\n" + traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
def fixKde(self):
"""This method checks if the kde screenlock file is configured
properly. Please note, this rule may fail if the owner and group of
configuration file are not that of the user in question but doesn't
necessarily mean your system is out of compliance. If the fix fails
Please check the logs to determing the real reason of non rule success.
@author: dwalker
:param self: essential if you override this definition
:returns: bool - True if KDE is successfully configured, False if it
isn't
"""
success = True
if self.environ.geteuid() == 0:
self.logdispatch.log(LogPriority.DEBUG,
'ConfigureScreenLocking.fixKde')
if not self.kdefix:
return True
for user in self.kdefix:
homepath = self.kdefix[user]
kdefile = os.path.join(homepath, self.rcpath)
if not self.correctFile(kdefile, user):
success = False
self.detailedresults += "Unable to configure " + \
kdefile + "\n"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
else:
username = ""
homepath = self.environ.geteuidhome()
kdefile = os.path.join(homepath, self.rcpath)
uidnum = int(self.environ.geteuid())
passwddata = readFile("/etc/passwd", self.logger)
found = False
for user in passwddata:
user = user.split(':')
try:
puidnum = int(user[2])
if puidnum == uidnum:
username = user[0]
found = True
except IndexError:
continue
if not found:
self.detailedresults += "Could not obtain your user id.\n" + \
"Stonix couldn't proceed with correcting " + kdefile + "\n"
success = False
elif not self.correctFile(kdefile, username):
self.detailedresults += "Stonix couldn't correct the contents " + \
" of " + kdefile + "\n"
success = False
return success
def fixGnome(self):
"""ensures gnome is configured to automatically screen lock after
15 minutes of inactivity, if gnome is installed
@author: dwalker
:param self: essential if you override this definition
:returns: bool - True if gnome is successfully configured, False if it
isn't
"""
info = ""
success = True
gconf = "/usr/bin/gconftool-2"
gsettings = "/usr/bin/gsettings"
if os.path.exists(gconf):
#variable self.setcmds still has items left in its dictionary
#which was set in the reportGnome method, meaning some values
#either were incorrect or didn't have values. Go through and
#set each remaining value that isn't correct
cmd = ""
if self.setcmds:
for item in self.setcmds:
if item == "/apps/gnome-screensaver/idle_activation_enabled":
cmd = gconf + " --type bool --set /apps/gnome-screensaver/idle_activation_enabled true"
elif item == "/apps/gnome-screensaver/lock_enabled":
cmd = gconf + " --type bool --set /apps/gnome-screensaver/lock_enabled true"
elif item == "/apps/gnome-screensaver/mode":
cmd = gconf + ' --type string --set /apps/gnome-screensaver/mode "blank-only"'
elif item == "/desktop/gnome/session/idle_delay":
if self.gconfidletime:
cmd = gconf + " --type int --set /desktop/gnome/session/idle_delay " + \
self.gconfidletime
else:
cmd = gconf + " --type int --set /desktop/gnome/session/idle_delay 15"
if self.cmdhelper.executeCommand(cmd):
if self.cmdhelper.getReturnCode() != 0:
info += "Unable to set value for " + cmd + "\n"
success = False
else:
info += "Unable to set value for " + cmd + "\n"
success = False
if os.path.exists(gsettings):
setcmds = [
"org.gnome.desktop.screensaver idle-activation-enabled true",
"org.gnome.desktop.screensaver lock-enabled true",
"org.gnome.desktop.screensaver lock-delay 0",
"org.gnome.desktop.screensaver picture-opacity 100",
"org.gnome.desktop.screensaver picture-uri ''",
"org.gnome.desktop.session idle-delay 900"
]
# " set org.gnome.desktop.session idle-delay " + self.gsettingsidletime]
for cmd in setcmds:
cmd2 = gsettings + " set " + cmd
self.cmdhelper.executeCommand(cmd2)
if self.cmdhelper.getReturnCode() != 0:
success = False
info += "Unable to set value for " + cmd + \
" using gsettings\n"
# Set gsettings with dconf
# Unlock dconf settings
# Create dconf settings lock file
if self.environ.geteuid() == 0:
if not os.path.exists(self.dconfsettingslock):
if not createFile(self.dconfsettingslock, self.logger):
self.rulesuccess = False
self.detailedresults += "Unable to create stonix-settings file\n"
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
return False
#write correct contents to dconf lock file
if os.path.exists(self.dconfsettingslock):
# Write to the lock file
if self.dconflockdata:
contents = ""
tmpfile = self.dconfsettingslock + ".tmp"
for line in self.dconflockdata:
contents += line + "\n"
if not writeFile(tmpfile, contents, self.logger):
self.rulesuccess = False
self.detailedresults += "Unable to write contents to " + \
"stonix-settings file\n"
else:
os.rename(tmpfile, self.dconfsettingslock)
os.chown(self.dconfsettingslock, 0, 0)
os.chmod(self.dconfsettingslock, 0o644)
resetsecon(self.dconfsettingslock)
# Create dconf user profile file
if not os.path.exists(self.dconfuserprofile):
if not createFile(self.dconfuserprofile, self.logger):
self.rulesuccess = False
self.detailedresults += "Unable to create dconf " + \
"user profile file\n"
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
return False
# Write dconf user profile
if os.path.exists(self.dconfuserprofile):
tmpfile = self.dconfuserprofile + ".tmp"
if not writeFile(tmpfile, self.userprofilecontent,
self.logger):
self.rulesuccess = False
self.detailedresults += "Unabled to write to dconf user" + \
" profile file\n"
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
return False
else:
os.rename(tmpfile, self.dconfuserprofile)
os.chown(self.dconfuserprofile, 0, 0)
os.chmod(self.dconfuserprofile, 0o644)
resetsecon(self.dconfuserprofile)
# Fix dconf settings
if not os.path.exists(self.dconfsettings):
if not createFile(self.dconfsettings, self.logger):
self.rulesuccess = False
self.detailedresults += "Unable to create " + self.dconfsettings + " file \n"
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
return False
self.dconfdata = {
"org/gnome/desktop/screensaver": {
"idle-activation-enabled": "true",
"lock-enabled": "true",
"lock-delay": "0",
"picture-opacity": "100",
"picture-uri": "\'\'"
},
"org/gnome/desktop/session": {
"idle-delay": "uint32 900"
}
}
self.kveditordconf = KVEditorStonix(
self.statechglogger, self.logger, "tagconf",
self.dconfsettings, self.dconfsettings + ".tmp",
self.dconfdata, "present", "closedeq")
self.kveditordconf.report()
if self.kveditordconf.fixables:
if not self.kveditordconf.fix():
success = False
self.detailedresults += "Unable to put correct settings inside " + \
self.dconfsettings + "\n"
elif not self.kveditordconf.commit():
success = False
self.detailedresults += "Unable to put correct settings inside " + \
self.dconfsettings + "\n"
#run dconf update command to make dconf changes take effect
if os.path.exists("/bin/dconf"):
cmd = "/bin/dconf update"
self.cmdhelper.executeCommand(cmd)
elif os.path.exists("/usr/bin/dconf"):
cmd = "/usr/bin/dconf update"
self.cmdhelper.executeCommand(cmd)
self.detailedresults += info
return success
def fixMac(self):
"""Mac osx specific fix submethod
@author: dwalker
:param self: essential if you override this definition
:returns: bool - True if system is successfully fix, False if it isn't
"""
success = RuleKVEditor.fix(self, True)
return success
def searchFile(self, filehandle):
"""temporary method to separate the code to find directives from the
rest of the code. Will put back all in one method eventually
@author: dwalker
:param filehandle: string
:returns: bool
"""
self.editor = ""
kvt = "tagconf"
intent = "present"
tpath = filehandle + ".tmp"
conftype = "closedeq"
self.editor = KVEditorStonix(self.statechglogger, self.logger, kvt,
filehandle, tpath, self.kdeprops, intent,
conftype)
if not self.editor.report():
return False
else:
return True
def correctFile(self, kfile, user):
"""separate method to find the correct contents of each file passed in
as a parameter.
@author: dwalker
:param kfile:
:param user:
:returns: bool
"""
success = True
if not os.path.exists(kfile):
if not createFile(kfile, self.logger):
self.detailedresults += "Unable to create " + kfile + \
" file for the user\n"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
return False
if not self.searchFile(kfile):
if self.editor.fixables:
if not self.editor.fix():
debug = "Kveditor fix is failing for file " + \
kfile + "\n"
self.logger.log(LogPriority.DEBUG, debug)
self.detailedresults += "Unable to correct contents for " + \
kfile + "\n"
return False
elif not self.editor.commit():
debug = "Kveditor commit is failing for file " + \
kfile + "\n"
self.logger.log(LogPriority.DEBUG, debug)
self.detailedresults += "Unable to correct contents for " + \
kfile + "\n"
return False
uid = getpwnam(user)[2]
gid = getpwnam(user)[3]
if uid != "" and gid != "":
os.chmod(kfile, 0o600)
os.chown(kfile, uid, gid)
resetsecon(kfile)
else:
success = False
self.detailedresults += "Unable to obtain uid and gid of " + user + "\n"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
return success
def undo(self):
self.detailedresults += "This rule cannot be reverted\n"
self.rulesuccess = False
self.formatDetailedResults("undo", self.rulesuccess,
self.detailedresults)
class AuditFirefoxUsage(Rule):
"""
This module will audit firefox browser usage to determine
if any site not listed in the APPROVEDDOMAINS CI has been visited
while running in root mode
"""
def __init__(self, config, environ, logger, statechglogger):
"""
private method to initialize the module
:param config: configuration object instance
:param environ: environment object instance
:param logger: logdispatcher object instance
:param statechglogger: statechglogger object instance
"""
Rule.__init__(self, config, environ, logger, statechglogger)
self.logger = logger
self.rulenumber = 84
self.rulename = "AuditFirefoxUsage"
self.mandatory = True
self.rootrequired = True
self.sethelptext()
self.formatDetailedResults("initialize")
self.guidance = []
self.applicable = {'type': 'white', 'family': ['linux']}
# Configuration item instantiation
datatype = 'list'
key = 'APPROVEDDOMAINS'
instructions = """This is a list of domains which the root user is \
approved to browse."""
default = LOCALDOMAINS
if default == None:
default = ["localhost"]
elif not default:
default = ["localhost"]
self.approvedDomainsCi = self.initCi(datatype, key, instructions,
default)
datatype = 'bool'
key = 'DISABLEPROXY'
instructions = """To disable Firefox's proxy settings, ensuring that \
browsing is limited to local domains in a proxied environment, set \
DISABLEPROXY to True."""
default = True
self.ci = self.initCi(datatype, key, instructions, default)
self.ph = Pkghelper(self.logger, self.environ)
self.auditonly = True
def report(self):
"""
report the status of the rule's compliance with root-enabled firefox browsing
:returns: self.compliant - True if compliant, False if not
"""
# UPDATE THIS SECTION IF YOU CHANGE THE CONSTANTS BEING USED IN THE RULE
constlist = [LOCALDOMAINS]
if not self.checkConsts(constlist):
self.compliant = False
self.detailedresults = "\nPlease ensure that the constant: LOCALDOMAINS, in localize.py, is defined and is not None. This rule will not function without it."
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
return self.compliant
try:
self.detailedresults = ""
compliant = True
ffDirs = self.getFirefoxDirs()
urls = []
package = ""
if self.ph.checkAvailable("sqlite3"):
package = "sqlite3"
elif self.ph.checkAvailable("sqlite"):
package = "sqlite"
if not self.ph.check(package):
self.ph.install(package)
for ffDir in ffDirs:
placesPath = ffDir + "/places.sqlite"
if not os.path.exists(placesPath):
continue
ch = CommandHelper(self.logger)
command = ["/usr/bin/sqlite3", placesPath, ".tables"]
ch.executeCommand(command)
if not ch.getReturnCode() == 0:
# The version of sqlite3 on RHEL 6 cannot read these dbs.
# Instead, we will examine the file manually, looking for
# entries beginning with %\x08.
sqlBin = open(placesPath, "rb").read()
urlList = re.findall("%\x08https?://.*?/", sqlBin)
for url in urlList:
urls.append(url[2:])
else:
conn = sqlite3.connect(placesPath)
c = conn.cursor()
c.execute("SELECT host FROM moz_hosts")
results = c.fetchall()
debug = "Results of 'SELECT host FROM moz_hosts': " + \
str(results)
self.logger.log(LogPriority.DEBUG, debug)
# Results are inside of a tuple
for item in results:
urls.append(item[0])
badUrls = []
urls = list(set(urls))
if urls:
self.logger.log(LogPriority.DEBUG, "URLs found: " + str(urls))
for url in urls:
approved = self.approvedDomainsCi.getcurrvalue()
foundApproved = False
for site in approved:
if re.search(site, url):
foundApproved = True
if not foundApproved:
compliant = False
badUrls.append(url)
if badUrls:
self.detailedresults = "URLs found in root's " + \
"Firefox history that are not on the approved " + \
"list: " + ", ".join(badUrls) + "\n"
self.logger.log(LogPriority.DEBUG,
"Bad URLs found: " + str(badUrls))
self.compliant = compliant
except (KeyboardInterrupt, SystemExit):
# User initiated exit
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def getFirefoxDirs(self):
"""Discover the randomly-generated Firefox profile directory(ies) for the
root user.
:returns: ffDirs - List of Firefox profile directories on the system
"""
# It's possible to have several FF profiles for each user account. This
# method will therefore return a list.
ffDirs = []
homeDir = "/root"
ffParent = homeDir + "/.mozilla/firefox"
if os.path.exists(ffParent):
profileDirs = glob(ffParent + "/*.default")
debug = "Found the following Firefox profile directories: " + \
str(profileDirs)
self.logger.log(LogPriority.DEBUG, debug)
for pDir in profileDirs:
# Since we gave glob the full path, the returned list will
# have the full path for each entry
ffDirs.append(pDir)
return ffDirs
class ConfigureKerberos(Rule):
'''@author: Ekkehard J. Koch'''
def __init__(self, config, environ, logdispatcher, statechglogger):
"""
@param config:
@param environ:
@param logdispatcher:
@param statechglogger:
"""
Rule.__init__(self, config, environ, logdispatcher,
statechglogger)
self.rulenumber = 255
self.rulename = 'ConfigureKerberos'
self.formatDetailedResults("initialize")
self.mandatory = True
self.sethelptext()
self.rootrequired = True
self.guidance = []
self.applicable = {'type': 'white', 'family': 'linux',
'os': {'Mac OS X': ['10.15', 'r', '10.15.10']}}
# This if/else statement fixes a bug in Configure Kerberos that
# occurs on Debian systems due to the fact that Debian has no wheel
# group by default.
if self.environ.getosfamily() == 'darwin':
self.files = {"krb5.conf":
{"path": "/etc/krb5.conf",
"remove": False,
"content": MACKRB5,
"permissions": 0o644,
"owner": os.getuid(),
"group": "wheel",
"eventid": str(self.rulenumber).zfill(4) + "krb5"},
"edu.mit.Kerberos":
{"path": "/Library/Preferences/edu.mit.Kerberos",
"remove": True,
"content": None,
"permissions": None,
"owner": None,
"group": None,
"eventid": str(self.rulenumber).zfill(4) +
"Kerberos"},
"edu.mit.Kerberos.krb5kdc.launchd":
{"path": "/Library/Preferences/edu.mit.Kerberos.krb5kdc.launchd",
"remove": True,
"content": None,
"permissions": None,
"owner": None,
"group": None,
"eventid": str(self.rulenumber).zfill(4) +
"krb5kdc"},
"kerb5.conf":
{"path": "/etc/kerb5.conf",
"remove": True,
"content": None,
"permissions": None,
"owner": None,
"group": None,
"eventid": str(self.rulenumber).zfill(4) + "kerb5"},
"edu.mit.Kerberos.kadmind.launchd":
{"path": "/Library/Preferences/edu.mit.Kerberos.kadmind.launchd",
"remove": True,
"content": None,
"permissions": None,
"owner": None,
"group": None,
"eventid": str(self.rulenumber).zfill(4) +
"kadmind"},
}
else:
self.files = {"krb5.conf":
{"path": "/etc/krb5.conf",
"remove": False,
"content": LINUXKRB5,
"permissions": 0o644,
"owner": "root",
"group": "root",
"eventid": str(self.rulenumber).zfill(4) + "krb5"}}
self.ch = CommandHelper(self.logdispatch)
self.fh = FileHelper(self.logdispatch, self.statechglogger)
if self.environ.getosfamily() == 'linux':
self.ph = Pkghelper(self.logdispatch, self.environ)
self.filepathToConfigure = []
for filelabel, fileinfo in sorted(self.files.items()):
if fileinfo["remove"]:
msg = "Remove if present " + str(fileinfo["path"])
else:
msg = "Add or update if needed " + str(fileinfo["path"])
self.filepathToConfigure.append(msg)
self.fh.addFile(filelabel,
fileinfo["path"],
fileinfo["remove"],
fileinfo["content"],
fileinfo["permissions"],
fileinfo["owner"],
fileinfo["group"],
fileinfo["eventid"]
)
# Configuration item instantiation
datatype = "bool"
key = "CONFIGUREFILES"
instructions = "When Enabled will fix these files: " + \
str(self.filepathToConfigure)
default = True
self.ci = self.initCi(datatype, key, instructions, default)
def report(self):
'''run report actions for configure kerberos
determine compliance status of the current system
return True if compliant, False if non-compliant
:returns: self.compliant
:rtype: bool
@author: ???
@change: Breen Malmberg - 2/23/2017 - added doc string; added const checks preamble to report and fix methods
'''
self.compliant = True
self.detailedresults = ""
# UPDATE THIS SECTION IF YOU CHANGE THE CONSTANTS BEING USED IN THE RULE
constlist = [MACKRB5, LINUXKRB5]
if not self.checkConsts(constlist):
self.compliant = False
self.detailedresults = "\nPlease ensure that the constants: MACKRB5, LINUXKRB5, in localize.py, are defined and are not None. This rule will not function without them."
self.formatDetailedResults("report", self.compliant, self.detailedresults)
return self.compliant
try:
if self.environ.getosfamily() == 'linux':
packagesRpm = ["pam_krb5", "krb5-libs", "krb5-workstation",
"sssd-krb5", "sssd-krb5-common"]
packagesDeb = ["krb5-config", "krb5-user", "libpam-krb5"]
packagesSuse = ["pam_krb5", "sssd-krb5", "sssd-krb5-common",
"krb5-client", "krb5"]
if self.ph.determineMgr() == "apt-get":
self.packages = packagesDeb
elif self.ph.determineMgr() == "zypper":
self.packages = packagesSuse
else:
self.packages = packagesRpm
for package in self.packages:
if not self.ph.check(package) and self.ph.checkAvailable(package):
self.compliant = False
self.detailedresults += package + " is not installed\n"
if not self.fh.evaluateFiles():
self.compliant = False
self.detailedresults += self.fh.getFileMessage()
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.compliant = False
self.detailedresults += str(traceback.format_exc())
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant, self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def fix(self):
'''run fix actions
:returns: self.rulesuccess
:rtype: bool
@author: ???
@change: Breen Malmberg - 2/23/2017 - added doc string; added checkconsts preamble to ensure
the rule does not attempt to run without requied information (from localize.py)
'''
self.rulesuccess = True
self.detailedresults = ""
self.iditerator = 0
# UPDATE THIS SECTION IF YOU CHANGE THE CONSTANTS BEING USED IN THE RULE
constlist = [MACKRB5, LINUXKRB5]
if not self.checkConsts(constlist):
fixsuccess = False
self.formatDetailedResults("fix", fixsuccess, self.detailedresults)
return fixsuccess
try:
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if self.ci.getcurrvalue():
pkgsToInstall = []
if self.environ.getosfamily() == 'linux':
for package in self.packages:
if not self.ph.check(package):
if self.ph.checkAvailable(package):
pkgsToInstall.append(package)
for package in pkgsToInstall:
if self.ph.install(package):
self.iditerator += 1
myid = iterate(self.iditerator,
self.rulenumber)
event = {"eventtype": "pkghelper",
"pkgname": package,
"startstate": "removed",
"endstate": "installed"}
self.statechglogger.recordchgevent(myid, event)
else:
self.rulesuccess = False
self.detailedresults += "Installation of " + package + " did not succeed.\n"
if not self.fh.fixFiles():
self.rulesuccess = False
self.detailedresults += self.fh.getFileMessage()
else:
self.rulesuccess = False
self.detailedresults = str(self.ci.getkey()) + " was disabled. No action was taken!"
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.rulesuccess = False
self.detailedresults += str(traceback.format_exc())
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess, self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
class ConfigureAIDE(Rule):
"""Install and configure Advanced Intrusion Detection Environment (AIDE).
This rule is optional and will install and configure AIDE when it is run."""
def __init__(self, config, environ, logger, statechglogger):
"""
private method to initialize the module
:param config: configuration object instance
:param environ: environment object instance
:param logger: logdispatcher object instance
:param statechglogger: statechglogger object instance
"""
Rule.__init__(self, config, environ, logger, statechglogger)
self.logger = logger
self.rulenumber = 110
self.rulename = 'ConfigureAIDE'
self.formatDetailedResults("initialize")
self.sethelptext()
self.guidance = ['NSA(2.1.3)', 'cce-4209-3']
# init CIs
datatype = 'bool'
key = 'CONFIGUREAIDE'
instructions = 'If you set the ConfigureAIDE variable to yes, or ' + \
'true, ConfigureAIDE will install and set up the Advanced ' + \
'Intrusion Detection Environment on this system.'
default = False
self.applicable = {'type': 'white', 'family': ['linux']}
self.ci = self.initCi(datatype, key, instructions, default)
datatype2 = 'string'
key2 = 'AIDEJOBTIME'
instructions2 = """This string contains the time when the cron job for
/usr/sbin/aide --check will run in /etc/crontab. The default value is
00 18 * * 07 (which means weekly, on sundays at 6pm)"""
default2 = "00 18 * * 07"
self.aidetime = self.initCi(datatype2, key2, instructions2, default2)
pattern = "^([0-9]{1,2})\s+([0-9]{1,2})\s+(\*|(3[0-1]|[0-2]?[0-9]))\s+(\*|(0[0-9]|[0-1]?[0-2]))\s+(\*|([0]?[0-7]))$"
self.aidetime.setregexpattern(pattern)
def report(self):
"""Check if AIDE is installed and properly configured.
If the config is correct then the self.compliant, self.detailed results
and self.currstate properties are updated to reflect the system status.
self.rulesuccess will be updated if the rule does not succeed.
:return: self.compliant
:rtype: bool
"""
try:
self.compliant = True
self.detailedresults = ""
self.init_objs()
try:
self.set_aide_paths()
self.set_aide_cron_job()
except:
pass
if not self.report_aide_installed():
self.compliant = False
else:
if not self.report_aide_conf():
self.compliant = False
if not self.report_aide_cronjob():
self.compliant = False
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.detailedresults += "\n" + traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def init_objs(self):
"""
"""
self.ph = Pkghelper(self.logger, self.environ)
self.ch = CommandHelper(self.logger)
def set_aide_paths(self):
"""
"""
self.aide_conf_file = ""
aide_conf_paths = ["/etc/aide/aide.conf", "/etc/aide.conf"]
for p in aide_conf_paths:
if os.path.isfile(p):
self.aide_conf_file = p
break
self.aide_package = "aide"
self.aide_cron_file = "/etc/cron.d/stonix_aide_check"
self.aide_bin_path = ""
aide_bin_paths = ["/usr/sbin/aide", "/usr/bin/aide"]
for p in aide_bin_paths:
if os.path.isfile(p):
self.aide_bin_path = p
break
self.crontab_bin = ""
crontab_bin_locs = ["/bin/crontab", "/sbin/crontab"]
for b in crontab_bin_locs:
if os.path.isfile(b):
self.crontab_bin = b
break
def set_aide_cron_job(self):
"""
"""
aidetime = self.aidetime.getcurrvalue()
if not aidetime:
self.aide_cron_job = ""
else:
if self.ph.manager == "apt-get":
self.aide_cron_job = str(
self.aidetime.getcurrvalue()
) + " root nice -n 19 " + self.aide_bin_path + " -c " + self.aide_conf_file + " --check"
else:
self.aide_cron_job = str(self.aidetime.getcurrvalue(
)) + " root nice -n 19 " + self.aide_bin_path + " --check"
def report_aide_installed(self):
"""
:return: compliant
:rtype: bool
"""
compliant = True
if not self.ph.check(self.aide_package):
compliant = False
self.detailedresults += "\naide is not installed"
return compliant
def report_aide_conf(self):
"""
:return: compliant
:rtype: bool
"""
compliant = True
aide_conf_dict = {
"/boot": "R",
"/etc": "R",
"/lib": "R",
"/lib64": "R",
"/sbin$": "R"
}
tmppath = self.aide_conf_file + ".stonixtmp"
self.aide_conf_editor = KVEditorStonix(self.statechglogger,
self.logger, "conf",
self.aide_conf_file, tmppath,
aide_conf_dict, "present",
"space")
if not self.aide_conf_editor.report():
compliant = False
self.detailedresults += "\nThe following aide conf file options are incorrect:\n" + "\n".join(
self.aide_conf_editor.fixables)
return compliant
def report_aide_cronjob(self):
"""
:return: compliant
:rtype: bool
"""
compliant = True
if not os.path.isfile(self.aide_cron_file):
compliant = False
self.detailedresults += "\naide cron job not found"
return compliant
def fix(self):
"""Attempt to install and configure AIDE.
self.rulesuccess will be updated if the rule does not succeed.
:return: self.rulesuccess - True if fix succeeded; False if not
:rtype: bool
"""
self.detailedresults = ""
self.rulesuccess = True
self.iditerator = 0
try:
if not self.ci.getcurrvalue():
self.detailedresults += '\nThis rule is currently not enabled, so nothing was done'
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if not self.fix_aide_installed():
self.rulesuccess = False
if not self.fix_aide_conf():
self.rulesuccess = False
if not self.fix_aide_init():
self.rulesuccess = False
if not self.fix_aide_cronjob():
self.rulesuccess = False
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logger.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
def fix_aide_conf(self):
"""
:return: success
:rtype: bool
"""
success = True
self.logger.log(LogPriority.DEBUG, "Fixing aide configuration file")
if not self.aide_conf_editor.fix():
success = False
elif not self.aide_conf_editor.commit():
success = False
if not success:
self.logger.log(LogPriority.DEBUG, "Failed to configure aide.conf")
return success
def fix_aide_cronjob(self):
"""
:return: success
:rtype: bool
"""
success = True
self.logger.log(LogPriority.DEBUG, "Creating aide cron job")
try:
f = open(self.aide_cron_file, "w")
f.write(self.aide_cron_job)
f.close()
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": self.aide_cron_file}
self.statechglogger.recordchgevent(myid, event)
except:
success = False
self.logger.log(LogPriority.DEBUG,
"Failed to create aide cron job")
return success
def fix_aide_installed(self):
"""
:return: success
:rtype: bool
"""
success = True
self.logger.log(LogPriority.DEBUG, "Installing aide package")
if not self.ph.install(self.aide_package):
success = False
self.logger.log(LogPriority.DEBUG,
"Failed to install aide package")
if not self.ph.checkAvailable(self.aide_package):
self.logger.log(LogPriority.DEBUG,
"aide package not available on this system")
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "pkghelper",
"pkgname": self.aide_package,
"startstate": "removed",
"endstate": "installed"
}
self.statechglogger.recordchgevent(myid, event)
self.set_aide_paths()
self.set_aide_cron_job()
self.report_aide_conf()
self.report_aide_cronjob()
return success
def fix_aide_init(self):
"""
:return: success
:rtype: bool
"""
success = True
self.logger.log(LogPriority.DEBUG, "Initializing aide database")
if self.ph.manager == "apt-get":
aide_init_cmd = "aideinit"
else:
aide_init_cmd = self.aide_bin_path + " --init"
self.ch.executeCommand(aide_init_cmd)
retcode = self.ch.getReturnCode()
if retcode != 0:
success = False
errmsg = self.ch.getErrorString()
self.logger.log(LogPriority.DEBUG, errmsg)
else:
# to start using the aide database created by aide init,
# remove the 'new' part of the aide database string
# this must be done before check can be run
# (https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/security_guide/sec-using-aide)
if os.path.isfile('/var/lib/aide/aide.db.new.gz'):
newaidedb = '/var/lib/aide/aide.db.new.gz'
aidedb = '/var/lib/aide/aide.db.gz'
elif os.path.isfile('/var/lib/aide/aide.db.new'):
newaidedb = '/var/lib/aide/aide.db.new'
aidedb = '/var/lib/aide/aide.db'
else:
newaidedb = ""
aidedb = ""
if bool(newaidedb and aidedb):
os.rename(newaidedb, aidedb)
os.chmod(aidedb, 0o600)
os.chown(aidedb, 0, 0)
else:
self.logger.log(LogPriority.DEBUG,
"Failed to locate aide database")
success = False
return success
class SSHTimeout(Rule):
'''This rule will configure the ssh timeout period for
ssh sessions, if ssh is installed.
@author: dwalker
'''
def __init__(self, config, environ, logger, statechglogger):
Rule.__init__(self, config, environ, logger, statechglogger)
self.logger = logger
self.rootrequired = True
self.rulenumber = 127
self.rulename = 'SSHTimeout'
self.formatDetailedResults("initialize")
self.mandatory = True
self.sethelptext()
self.boolCi = self.initCi(
"bool", "SSHTIMEOUTON",
"To disable this rule set the value " + "of SSHTIMEOUTON to False",
True)
self.intCi = self.initCi(
"int", "SSHTIMEOUT", "Set your preferred timeout value here, " +
"in seconds. Default is 900 (15 minutes).", 900)
self.guidance = ['NSA 3.5.2.3']
self.iditerator = 0
self.editor = ""
self.applicable = {
'type': 'white',
'family': ['linux', 'solaris', 'freebsd'],
'os': {
'Mac OS X': ['10.15', 'r', '10.15.10']
}
}
self.ph = Pkghelper(self.logger, self.environ)
def report(self):
'''SSHTimeout.report(): produce a report on whether or not a valid
time for timing out of ssh is set.
@author: D.Walker
'''
try:
self.detailedresults = ""
compliant = True
results = ""
timeout = self.intCi.getcurrvalue()
if self.environ.getostype() == "Mac OS X":
self.path = '/private/etc/ssh/sshd_config'
self.tpath = '/private/etc/ssh/sshd_config.tmp'
else:
self.path = '/etc/ssh/sshd_config'
self.tpath = '/etc/ssh/sshd_config.tmp'
if self.ph.manager == "zypper":
openssh = "openssh"
else:
openssh = "openssh-server"
if not self.ph.check(openssh):
self.compliant = True
self.detailedresults += "Package " + openssh + " is not installed.\nNothing to configure."
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
return self.compliant
self.ssh = {
"ClientAliveInterval": str(timeout),
"ClientAliveCountMax": "0"
}
if os.path.exists(self.path):
compliant = True
kvtype = "conf"
intent = "present"
self.editor = KVEditorStonix(self.statechglogger, self.logger,
kvtype, self.path, self.tpath,
self.ssh, intent, "space")
if not self.editor.report():
compliant = False
results += "Settings in " + self.path + " are not " + \
"correct\n"
if not checkPerms(self.path, [0, 0, 0o644], self.logger):
compliant = False
results += self.path + " permissions are incorrect\n"
else:
compliant = False
results += self.path + " does not exist\n"
self.detailedresults = results
self.compliant = compliant
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.compliant
def fix(self):
'''SSHTimeout.fix(): set the correct values in /etc/ssh/sshd_config
so that ssh sessions time out appropriately.
@author: D.Walker
'''
try:
if not self.boolCi.getcurrvalue():
return
debug = "inside fix method\n"
self.logger.log(LogPriority.DEBUG, debug)
created = False
self.iditerator = 0
success = True
self.detailedresults = ""
debug = ""
# clear out event history so only the latest fix is recorded
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if self.environ.getostype() != "Mac OS X":
if self.ph.manager == "zypper":
openssh = "openssh"
else:
openssh = "openssh-server"
if not self.ph.check(openssh):
debug = "openssh-server is not installed in fix\n"
self.logger.log(LogPriority.DEBUG, debug)
if self.ph.checkAvailable(openssh):
debug = "openssh-server is not available in fix\n"
self.logger.log(LogPriority.DEBUG, debug)
if not self.ph.install(openssh):
debug = "Unable to install openssh-server\n"
self.logger.log(LogPriority.DEBUG, debug)
self.rulesuccess = False
return
else:
cmd = self.ph.getRemove() + openssh
event = {
"eventtype": "commandstring",
"command": cmd
}
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.statechglogger.recordchgevent(myid, event)
self.detailedresults += "Installed openssh-server\n"
self.editor = KVEditorStonix(
self.statechglogger, self.logger, "conf",
self.path, self.tpath, self.ssh, "present",
"space")
self.editor.report()
else:
debug += "openssh-server not available to install\n"
self.logger.log(LogPriority.DEBUG, debug)
self.rulesuccess = False
return
if not os.path.exists(self.path):
createFile(self.path, self.logger)
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": self.path}
self.statechglogger.recordchgevent(myid, event)
self.editor = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.path, self.tpath,
self.ssh, "present", "space")
self.editor.report()
if os.path.exists(self.path):
print("path exists\n")
if not checkPerms(self.path, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.path, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
debug += "Unable to set Permissions \
for: " + self.editor.getPath() + "\n"
success = False
else:
if not setPerms(self.path, [0, 0, 0o644], self.logger):
success = False
if self.editor.fixables:
print(("editor has fixables and they are " +
str(self.editor.fixables) + "\n"))
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor.setEventID(myid)
if self.editor.fix():
debug += "kveditor fix ran successfully\n"
if self.editor.commit():
debug += "kveditor commit ran successfully\n"
os.chown(self.path, 0, 0)
os.chmod(self.path, 0o644)
if re.search("linux", self.environ.getosfamily()):
resetsecon(self.path)
else:
debug += "Unable to complete kveditor commit\n"
success = False
else:
debug += "Unable to complete kveditor fix\n"
success = False
self.rulesuccess = success
if debug:
self.logger.log(LogPriority.DEBUG, debug)
except (KeyboardInterrupt, SystemExit):
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
class PasswordExpiration(Rule):
def __init__(self, config, environ, logger, statechglogger):
Rule.__init__(self, config, environ, logger, statechglogger)
self.logger = logger
self.rulenumber = 42
self.rulename = "PasswordExpiration"
self.formatDetailedResults("initialize")
self.mandatory = True
self.sethelptext()
self.iditerator = 0
self.guidance = ["2.3.1.7"]
self.applicable = {'type': 'black', 'family': ['darwin']}
self.universal = "#The following lines were added by stonix\n"
datatype = 'bool'
key = 'PASSWORDEXPIRATION'
instructions = "To disable this rule set the value of " + \
"PASSWORDEXPIRATION to False."
default = True
self.ci = self.initCi(datatype, key, instructions, default)
self.libusercreate = False
self.libuserinstall = False
self.useraddcreate = False
self.logindefcreate = False
self.fixable, self.shadow = True, True
self.editor1, self.editor2 = "", ""
self.fixusers = []
###############################################################################
def report(self):
try:
self.detailedresults = ""
self.ch = CommandHelper(self.logger)
self.lockedpwds = '^\*LK\*|^!|^\*|^x$'
if self.environ.getosfamily() == "linux":
self.ph = Pkghelper(self.logger, self.environ)
self.specs = {"PASS_MAX_DAYS": "180",
"PASS_MIN_DAYS": "1",
"PASS_MIN_LEN": "8",
"PASS_WARN_AGE": "28"}
if self.ph.manager in ("apt-get", "zypper"):
# apt-get systems do not set min length in the same file
# as other systems(login.defs)
del self.specs["PASS_MIN_LEN"]
self.shadowfile = "/etc/shadow"
self.logdeffile = "/etc/login.defs"
self.useraddfile = "/etc/default/useradd"
self.libuserfile = "/etc/libuser.conf"
self.compliant = self.reportLinux()
elif self.environ.getosfamily() == "solaris":
self.specs = {"PASSLENGTH": "8",
"MINWEEKS": "1",
"MAXWEEKS": "26",
"WARNWEEKS": "4"}
self.shadowfile = "/etc/shadow"
self.logdeffile = "/etc/default/passwd"
self.compliant = self.reportSolaris()
elif self.environ.getosfamily() == "freebsd":
self.specs = {"warnpassword": "******",
"minpasswordlen": "8",
"passwordtime": "180d"}
self.shadowfile = "/etc/master.passwd"
self.loginfile = "/etc/login.conf"
self.compliant = self.reportFreebsd()
except (KeyboardInterrupt, SystemExit):
# User initiated exit
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("report", self.compliant,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.compliant
###############################################################################
def reportLinux(self):
compliant1 = self.checklogindefs()
compliant2 = self.chkShadow()
compliant3 = self.chkUserAdd()
compliant4 = self.checklibuser()
if compliant1 and compliant2 and compliant3 and compliant4:
return True
else:
return False
###############################################################################
def reportSolaris(self):
compliant1 = self.checklogindefs()
compliant2 = self.chkShadow()
if compliant1 and compliant2:
return True
else:
return False
###############################################################################
def reportFreebsd(self, specs):
compliant1 = self.chkPasswd()
compliant2 = self.chkLogin(specs)
if compliant1 and compliant2:
return True
else:
return False
###############################################################################
def checklogindefs(self):
'''report method for various distros of linux and solaris'''
compliant = True
debug = ""
if not os.path.exists(self.logdeffile):
compliant = False
self.detailedresults += self.logdeffile + " file does not exist\n"
elif not checkPerms(self.logdeffile, [0, 0, 0o644], self.logger):
compliant = False
self.detailedresults += self.logdeffile + " does not have " + \
"the correct permissions. Expected 644, found " + \
str(getOctalPerms(self.logdeffile)) + ".\n"
tmpfile = self.logdeffile + ".tmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.logdeffile, tmpfile,
self.specs, "present", "space")
if not self.editor1.report():
self.detailedresults += self.logdeffile + " does not " + \
"contain the correct contents\n"
debug = self.logdeffile + " doesn't contain the correct " + \
"contents\n"
self.logger.log(LogPriority.DEBUG, debug)
compliant = False
return compliant
###############################################################################
def chkShadow(self):
debug = ""
compliant = True
if os.path.exists(self.shadowfile):
if self.ph.manager == "apt-get":
statdata = os.stat(self.shadowfile)
mode = stat.S_IMODE(statdata.st_mode)
retval = getUserGroupName(self.shadowfile)
if retval[0] != "root" or retval[1] != "shadow":
compliant = False
self.detailedresults += self.shadowfile + " ownership " + \
"is not correct (either owner is not root, or " + \
"group is not shadow).\n"
if mode != 0o640:
compliant = False
self.detailedresults += self.shadowfile + " does not have " + \
"the correct permissions. Expected 640, found " + \
str(getOctalPerms(self.shadowfile)) + ".\n"
elif not checkPerms(self.shadowfile, [0, 0, 0o400], self.logger) and \
not checkPerms(self.shadowfile, [0, 0, 0], self.logger):
compliant = False
self.detailedresults += self.shadowfile + " does not have " + \
"the correct permissions. Expected 400 or 0, found " + \
str(getOctalPerms(self.shadowfile)) + ".\n"
contents = readFile(self.shadowfile, self.logger)
if self.environ.getosfamily() == "solaris" or \
self.environ.getosfamily() == "linux":
if self.environ.getosfamily() == "linux":
whichid = "/usr/bin/id"
elif self.environ.getosfamily() == "solaris":
whichid = "/usr/xpg4/bin/id"
for line in contents:
badacct = False
debug = ""
if re.search("^\#", line) or re.match("^\s*$", line):
continue
if re.search(":", line):
field = line.split(":")
cmd = [whichid, "-u", field[0]]
self.ch.executeCommand(cmd)
output = self.ch.getOutputString().strip()
error = self.ch.getError()
if error:
continue
if output:
if output.isdigit():
uid = int(output)
else:
uid = 100
else:
continue
try:
if uid >= 500 and not re.search(self.lockedpwds,
field[1]):
for i in [3, 4, 5, 6]:
if field[i]:
val = field[i]
if val.isdigit():
field[i] = int(field[i])
elif i == 6:
field[i] = 99
else:
field[i] = 0
elif i == 6:
field[i] = 99
else:
field[i] = 0
if field[3] != 1 or field[3] == "":
compliant = False
self.detailedresults += "Shadow file: " + \
"Minimum age is not equal to 1\n"
badacct = True
if field[4] > 180 or field[4] == "":
compliant = False
self.detailedresults += "Shadow file: " + \
"Expiration is not 180 or less\n"
badacct = True
if field[5] != 28 or field[5] == "":
compliant = False
self.detailedresults += "Shadow file: " + \
"Password expiration warnings are " + \
"not set to 28 days\n"
badacct = True
if field[6] != 35 or field[6] == "":
compliant = False
self.detailedresults += "Shadow file: " + \
"Account lock is not set to 35 days\n"
badacct = True
except IndexError:
compliant = False
debug = traceback.format_exc()
debug += ' Index out of range\n'
badacct = True
if debug:
self.logger.log(LogPriority.DEBUG, debug)
if badacct:
self.fixusers.append(field[0])
if self.environ.getosfamily() == 'freebsd':
for line in contents:
debug = ""
if re.search("^\#", line) or re.match('^\s*$', line):
continue
if re.search(':', line):
field = line.split(':')
message = Popen(['/usr/bin/id', '-u', field[0]],
stderr=PIPE, stdout=PIPE, shell=False)
uid = message.stdout.readline()
uid = uid.strip()
message.stdout.close()
if uid.isdigit():
uid = int(uid)
else:
uid = 100
try:
if uid >= 500 and not re.search(self.lockedpwds,
field[1]):
for i in [5, 6]:
if field[i]:
val = field[i]
if not val.isdigit():
field[i] = 0
else:
field[i] = 0
if int(field[5]) > 180 or field[5] == "":
self.shadow = False
compliant = False
debug += "expiration is not 180 or less"
if int(field[6]) != 1 or field[6] == "":
self.shadow = False
compliant = False
debug += "Account lock is not set to 1"
except IndexError:
self.shadow = False
compliant = False
debug = traceback.format_exc()
debug += ' Index out of range'
self.logger.log(LogPriority.DEBUG, debug)
if debug:
self.logger.log(LogPriority.DEBUG, debug)
else:
self.detailedresults += self.shadowfile + " does not exist\n"
compliant = False
debug = "chkShadow method is returning " + str(compliant) + \
" compliance\n"
self.logger.log(LogPriority.DEBUG, debug)
return compliant
###############################################################################
def chkUserAdd(self):
compliant = True
debug = ""
if not os.path.exists(self.useraddfile):
self.detailedresults += self.useraddfile + " file does not exist\n"
compliant = False
else:
if not checkPerms(self.useraddfile, [0, 0, 0o600], self.logger):
compliant = False
self.detailedresults += self.useraddfile + " does not have " + \
"the correct permissions. Expected 600, found " + \
str(getOctalPerms(self.useraddfile)) + ".\n"
contents = readFile(self.useraddfile, self.logger)
found = False
valcorrect = True
for line in contents:
if re.search("^\#", line) or re.match('^\s*$', line):
continue
if re.search('^INACTIVE', line.strip()) and re.search('=',
line):
found = True
temp = line.split('=')
if int(temp[1].strip()) <= -1 or int(temp[1].strip()) > 35:
valcorrect = False
break
if not found:
compliant = False
self.detailedresults += "INACTIVE key was not found in " + \
self.useraddfile + "\n"
if found and not valcorrect:
compliant = False
self.detailedresults += "INACTIVE key was found in " + \
self.useraddfile + ", but value is incorrect\n"
debug += "chkUserAdd method is returning " + str(compliant) + \
" compliance\n"
if debug:
self.logger.log(LogPriority.DEBUG, debug)
return compliant
###############################################################################
def checklibuser(self):
'''Private method to check the password hash algorithm settings in
libuser.conf.
@author: dwalker
:returns: bool
'''
compliant = True
'''check if libuser is intalled'''
if not self.ph.check("libuser"):
'''if not, check if available'''
if self.ph.checkAvailable("libuser"):
self.detailedresults += "libuser available but not installed\n"
return False
else:
'''not available, not a problem'''
return True
'''create a kveditor for file if it exists, if not, we do it in
the setlibuser method inside the fix'''
if os.path.exists(self.libuserfile):
data = {"userdefaults": {"LU_SHADOWMAX": "",
"LU_SHADOWMIN": "",
"LU_SHADOWWARNING": "",
"LU_UIDNUMBER": "",
"LU_SHADOWINACTIVE": "",
"LU_SHADOWEXPIRE": ""}}
datatype = "tagconf"
intent = "notpresent"
tmppath = self.libuserfile + ".tmp"
self.editor2 = KVEditorStonix(self.statechglogger, self.logger,
datatype, self.libuserfile,
tmppath, data, intent, "openeq")
if not self.editor2.report():
debug = "/etc/libuser.conf doesn't contain the correct " + \
"contents\n"
self.detailedresults += "/etc/libuser.conf doesn't " + \
"contain the correct contents\n"
self.logger.log(LogPriority.DEBUG, debug)
compliant = False
if not checkPerms(self.libuserfile, [0, 0, 0o644], self.logger):
self.detailedresults += "Permissions are incorrect on " + \
self.libuserfile + "\n"
compliant = False
else:
self.detailedresults += "Libuser installed but libuser " + \
"file doesn't exist\n"
compliant = False
return compliant
###############################################################################
def chkLogin(self):
compliant = True
if os.path.exists(self.loginfile):
if not checkPerms(self.loginfile, [0, 0, 0o644], self.logger):
compliant = False
self.detailedresults += self.libuserfile + " does not have " + \
"the correct permissions. Expected 644, found " + \
str(getOctalPerms(self.libuserfile)) + ".\n"
contents = readFile(self.loginfile, self.logger)
iterator1 = 0
for line in contents:
if re.search("^#", line) or re.match('^\s*$', line):
iterator1 += 1
elif re.search('^default:\\\\$', line.strip()):
found = True
temp = contents[iterator1 + 1:]
length2 = len(temp) - 1
iterator2 = 0
for line2 in temp:
if re.search('^[^:][^:]*:\\\\$', line2):
contents2 = temp[:iterator2]
break
elif iterator2 < length2:
iterator2 += 1
elif iterator2 == length2:
contents2 = temp[:iterator2]
break
else:
iterator1 += 1
if contents2:
for key in self.Fspecs:
found = False
for line in contents2:
if re.search("^#", line) or re.match('^\s*$', line):
continue
elif re.search('^:' + key, line.strip()):
if re.search('=', line):
temp = line.split('=')
if re.search(str(self.Fspecs[key]) +
'(:\\\\|:|\\\\|\s)',
temp[1]):
found = True
continue
else:
found = False
break
if not found:
compliant = False
return compliant
else:
self.detailedresults += self.loginfile + "does not exist. " + \
"Please note that the fix for this rule will not attempt " + \
"to create this file.\n"
compliant = False
debug = "chkLogin method is returning " + (compliant) + " compliance\n"
self.logger.log(LogPriority.DEBUG, debug)
return compliant
def fix(self):
try:
if not self.ci.getcurrvalue():
return
self.detailedresults = ""
# clear out event history so only the latest fix is recorded
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if self.environ.getosfamily() == "linux":
self.rulesuccess = self.fixLinux()
if self.environ.getosfamily() == "solaris":
self.rulesuccess = self.fixSolaris()
if self.environ.getosfamily() == "freebsd":
self.rulesuccess = self.fixFreebsd()
except (KeyboardInterrupt, SystemExit):
# User initiated exit
raise
except Exception:
self.rulesuccess = False
self.detailedresults += "\n" + traceback.format_exc()
self.logdispatch.log(LogPriority.ERROR, self.detailedresults)
self.formatDetailedResults("fix", self.rulesuccess,
self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
###############################################################################
def fixLinux(self):
success1 = self.fixLogDef(self.specs)
success2 = self.fixShadow()
success3 = self.fixUserAdd()
success4 = self.setlibuser()
if success1 and success2 and success3 and success4:
return True
else:
return False
###############################################################################
def fixSolaris(self):
success1 = self.fixLogDef()
success2 = self.fixShadow()
if success1 and success2:
return True
else:
return False
###############################################################################
def fixFreebsd(self):
success1 = self.fixPasswd()
success2 = self.fixLogin()
if success1 and success2:
return True
else:
return False
###############################################################################
def fixLogDef(self, specs):
success = True
debug = ""
if not os.path.exists(self.logdeffile):
if createFile(self.logdeffile, self.logger):
self.logindefcreate = True
setPerms(self.logdeffile, [0, 0, 0o644], self.logger)
tmpfile = self.logdeffile + ".tmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.logdeffile, tmpfile,
specs, "present", "space")
else:
self.detailedresults += "Was not able to create " + \
self.logdeffile + " file\n"
success = False
if self.logindefcreate:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.logdeffile}
self.statechglogger.recordchgevent(myid, event)
elif not checkPerms(self.logdeffile, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.logdeffile, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
debug += "permissions not correct on: " + \
self.logdeffile + "\n"
success = False
if self.editor1.fixables or self.editor1.removeables:
if not self.logindefcreate:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor1.setEventID(myid)
if not self.editor1.fix():
debug += "fixLogDef editor.fix did not complete successfully\n"
success = False
elif not self.editor1.commit():
debug += "fixLogDef editor.commit did not complete successfully\n"
success = False
os.chown(self.logdeffile, 0, 0)
os.chmod(self.logdeffile, 0o644)
resetsecon(self.logdeffile)
if debug:
self.logger.log(LogPriority.DEBUG, debug)
return success
###############################################################################
def fixShadow(self):
success = True
if not os.path.exists(self.shadowfile):
self.detailedresults += self.shadowfile + "does not exist. \
Will not perform fix on shadow file\n"
return False
if self.fixusers:
contents = readFile(self.shadowfile, self.logger)
if self.ph.manager == "apt-get":
perms = [0, 42, 0o640]
else:
perms = [0, 0, 0o400]
if not checkPerms(self.shadowfile, perms, self.logger) and \
not checkPerms(self.shadowfile, [0, 0, 0], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
setPerms(self.shadowfile, perms, self.logger,
self.statechglogger, myid)
tmpdate = strftime("%Y%m%d")
tmpdate = list(tmpdate)
date = tmpdate[0] + tmpdate[1] + tmpdate[2] + tmpdate[3] + "-" + \
tmpdate[4] + tmpdate[5] + "-" + tmpdate[6] + tmpdate[7]
for user in self.fixusers:
cmd = ["chage", "-d", date, "-m", "1", "-M", "180", "-W", "28",
"-I", "35", user]
self.ch.executeCommand(cmd)
# We have to do some gymnastics here, because chage writes directly
# to /etc/shadow, but statechglogger expects the new contents to
# be in a temp file.
newContents = readFile(self.shadowfile, self.logger)
shadowTmp = "/tmp/shadow.stonixtmp"
createFile(shadowTmp, self.logger)
writeFile(shadowTmp, "".join(newContents) + "\n", self.logger)
writeFile(self.shadowfile, "".join(contents) + "\n", self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': self.shadowfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.shadowfile, shadowTmp,
myid)
shutil.move(shadowTmp, self.shadowfile)
os.chmod(self.shadowfile, perms[2])
os.chown(self.shadowfile, perms[0], perms[1])
resetsecon(self.shadowfile)
return success
###############################################################################
def fixUserAdd(self):
success = True
if not os.path.exists(self.useraddfile):
if createFile(self.useraddfile, self.logger):
self.useraddcreate = True
setPerms(self.useraddfile, [0, 0, 0o600], self.logger)
else:
self.detailedresults += self.useraddfile + \
" could not be created\n"
success = False
if self.useraddcreate:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.useraddfile}
self.statechglogger.recordchgevent(myid, event)
if not checkPerms(self.useraddfile, [0, 0, 0o600], self.logger):
if not self.useraddcreate:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.useraddfile, [0, 0, 0o600],
self.logger, self.statechglogger, myid):
self.detailedresults += "Could not set permissions on " + \
self.useraddfile
success = False
tempstring = ""
contents = readFile(self.useraddfile, self.logger)
found = False
for line in contents:
if re.search("^\#", line) or re.match('^\s*$', line):
tempstring += line
continue
if re.search("^INACTIVE", line.strip()):
if re.search("=", line):
temp = line.split("=")
if int(temp[1].strip()) <= -1 or \
int(temp[1].strip()) > 35:
continue
else:
found = True
tempstring += line
else:
continue
elif re.search("^" + self.universal, line.strip()):
continue
else:
tempstring += line
if not found:
tempstring += "INACTIVE=35\n"
tmpfile = self.useraddfile + ".tmp"
if not writeFile(tmpfile, tempstring, self.logger):
return False
if not self.useraddcreate:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': self.useraddfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.useraddfile, tmpfile,
myid)
shutil.move(tmpfile, self.useraddfile)
os.chown(self.useraddfile, 0, 0)
os.chmod(self.useraddfile, 0o600)
resetsecon(self.useraddfile)
return success
###############################################################################
def setlibuser(self):
success = True
debug = ""
created = False
data = {"userdefaults": {"LU_SHADOWMAX": "",
"LU_SHADOWMIN": "",
"LU_SHADOWWARNING": "",
"LU_UIDNUMBER": "",
"LU_SHADOWINACTIVE": "",
"LU_SHADOWEXPIRE": ""}}
'''check if installed'''
if not self.ph.check("libuser"):
'''if not installed, check if available'''
if self.ph.checkAvailable("libuser"):
'''if available, install it'''
if not self.ph.install("libuser"):
self.detailedresults += "Unable to install libuser\n"
return False
else:
'''since we're just now installing it we know we now
need to create the kveditor'''
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
comm = self.ph.getRemove()
event = {"eventtype": "commandstring",
"command": comm}
self.statechglogger.recordchgevent(myid, event)
datatype = "tagconf"
intent = "notpresent"
tmppath = self.libuserfile + ".tmp"
self.editor2 = KVEditorStonix(self.statechglogger,
self.logger, datatype,
self.libuserfile, tmppath,
data, intent, "openeq")
self.editor2.report()
else:
return True
if not os.path.exists(self.libuserfile):
if not createFile(self.libuserfile, self.logger):
self.detailedresults += "Unable to create libuser file\n"
debug = "Unable to create the libuser file\n"
self.logger.log(LogPriority.DEBUG, debug)
return False
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.libuserfile}
self.statechglogger.recordchgevent(myid, event)
tmppath = self.libuserfile + ".tmp"
self.editor2 = KVEditorStonix(self.statechglogger, self.logger,
"tagconf", self.libuserfile,
tmppath, data,
"notpresent", "openeq")
self.editor2.report()
if not checkPerms(self.libuserfile, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.libuserfile, [0, 0, 0o644],
self.logger, self.statechglogger, myid):
self.detailedresults += "Could not set permissions on " + \
self.libuserfile
success = False
elif not setPerms(self.libuserfile, [0, 0, 0o644], self.logger):
success = False
self.detailedresults += "Unable to set the " + \
"permissions on " + self.libuserfile + "\n"
if self.editor2.removeables:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor2.setEventID(myid)
if self.editor2.fix():
if self.editor2.commit():
debug += "/etc/libuser.conf has been corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown(self.libuserfile, 0, 0)
os.chmod(self.libuserfile, 0o644)
resetsecon(self.libuserfile)
else:
self.detailedresults += "/etc/libuser.conf " + \
"couldn't be corrected\n"
success = False
else:
self.detailedresults += "/etc/libuser.conf couldn't " + \
"be corrected\n"
success = False
return success
###############################################################################
def fixLogin(self):
success = True
tempstring = ""
debug = ""
if not os.path.exists(self.loginfile):
self.detailedresults = self.loginfile + "does not exist. \
Will not perform fix on useradd file\n"
return False
if not checkPerms(self.loginfile, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.loginfile, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
contents = readFile(self.loginfile, self.logger)
iterator1 = 0
for line in contents:
if re.search("^#", line) or re.match('^\s*$', line):
iterator1 += 1
elif re.search('^default:\\\\$', line.strip()):
contents1 = contents[:iterator1 + 1]
temp = contents[iterator1 + 1:]
length2 = len(temp) - 1
iterator2 = 0
for line2 in temp:
if re.search('^[^:][^:]*:\\\\$', line2):
contents3 = temp[iterator2:]
contents2 = temp[:iterator2]
break
elif iterator2 < length2:
iterator2 += 1
elif iterator2 == length2:
contents2 = temp[:iterator2]
break
else:
iterator1 += 1
if contents2:
for key in self.Fspecs:
iterator = 0
found = False
for line in contents2:
if re.search("^#", line) or re.match('^\s*$', line):
iterator += 1
continue
elif re.search('^:' + key, line.strip()):
if re.search('=', line):
temp = line.split('=')
if re.search(str(self.Fspecs[key]) +
'(:\\\\|:|\\\\|\s)',
temp[1]):
iterator += 1
found = True
else:
contents2.pop(iterator)
else:
iterator += 1
if not found:
contents2.append('\t' + key + '=' + str(self.Fspecs[key]) +
':\\\\\n')
final = []
for line in contents1:
final.append(line)
for line in contents2:
final.append(line)
for line in contents3:
final.append(line)
for line in final:
tempstring += line
debug += "tempstring to be written to: " + self.loginfile + "\n"
self.logger.log(LogPriority.DEBUG, debug)
tmpfile = self.loginfile + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': self.loginfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.loginfile, tmpfile, myid)
shutil.move(tmpfile, self.loginfile)
os.chown(self.loginfile, 0, 0)
os.chmod(self.loginfile, 0o644)
resetsecon(self.loginfile)
else:
success = False
return success
