def fixLockdownX(self):
success = True
if self.sh.disableService("xfs", _="_"):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "servicehelper",
"servicename": "xfs",
"startstate": "enabled",
"endstate": "disabled"}
self.statechglogger.recordchgevent(myid, event)
else:
success = False
self.detailedresults += "STONIX was unable to disable the " + \
"xfs service\n"
if not self.xservSecure:
serverrcString = "exec X :0 -nolisten tcp $@"
if not os.path.exists(self.serverrc):
createFile(self.serverrc, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.serverrc}
self.statechglogger.recordchgevent(myid, event)
writeFile(self.serverrc, serverrcString, self.logger)
else:
open(self.serverrc, "a").write(serverrcString)
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 writeConfig(self, filepath, myid, regex, mult):
tempfile = filepath + ".tmp"
tempstring = ""
contents = readFile(filepath, self.logger)
if not contents:
debug = filepath + " contents are blank\n"
self.logger.log(LogPriority.DEBUG, debug)
return False
if mult:
for line in contents:
if re.match("^#", line) or re.match("^\s*$", line):
tempstring += line
elif not re.search(regex, line):
tempstring += line.strip() + " -nolisten tcp\n"
else:
for line in contents:
tempstring += line
tempstring += regex + "\n"
if not writeFile(tempfile, tempstring, self.logger):
return False
event = {"eventtype": "conf", "filepath": filepath}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(filepath, tempfile, myid)
os.rename(tempfile, filepath)
return True
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 fix(self):
try:
if not self.ci.getcurrvalue():
return
success = True
self.detailedresults = ""
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if os.path.exists(self.path):
sttyText = readFile(self.path, self.logger)
newSttyText = []
for line in sttyText:
# Check for both serial connections and the old style of
# virtual connections
if re.search(self.serialRE, line) or \
re.search(r"^vc/\d", line):
line = "#" + line
newSttyText.append(line)
newSttyString = "".join(newSttyText)
tmpfile = self.path + ".tmp"
if writeFile(tmpfile, newSttyString, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.path}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
self.path, tmpfile, myid)
os.rename(tmpfile, self.path)
perms = self.perms
setPerms(self.path, perms, self.logger,
self.statechglogger, myid)
resetsecon(self.path)
else:
success = False
self.detailedresults += "Problem writing new " + \
"contents to temporary file"
self.rulesuccess = success
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 commit(self):
'''
Private method that actually writes the configuration file as desired
including fixables and removing desireables. This method is called
in the calling class that instantiated the object after the update
methods have been called.
@author: dwalker
@return: Bool
'''
for line in self.contents:
self.tempstring += line
success = writeFile(self.tmpPath, self.tempstring, self.logger)
return success
def commit(self):
'''
Private method that actually writes the configuration file as desired
including fixables and removing desireables. This method is called
in the calling class that instantiated the object after the update
methods have been called.
@author: dwalker
@return: Bool
'''
for line in self.contents:
self.tempstring += line
success = writeFile(self.tmpPath, self.tempstring, self.logger)
return success
def fix(self):
try:
if not self.ci.getcurrvalue():
return
success = True
self.detailedresults = ""
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if os.path.exists(self.path):
adminAllowed = "group=admin,wheel fail_safe"
adminDisabled = "group=wheel fail_safe"
ssText = "".join(readFile(self.path, self.logger))
if re.search(adminAllowed, ssText):
ssText = re.sub(adminAllowed, adminDisabled, ssText)
tmpfile = self.path + ".tmp"
if writeFile(tmpfile, ssText, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.path}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
self.path, tmpfile, myid)
os.rename(tmpfile, self.path)
resetsecon(self.path)
else:
success = False
self.detailedresults += "Problem writing new " + \
"contents to temporary file"
else:
success = False
self.detailedresults += self.path + ''' does not exist. STONIX \
will not attempt to create this file. If you are using OS X 10.9 or later, \
this is most likely a bug, and should be reported. Earlier versions of OS X \
are not currently supported by STONIX.'''
self.rulesuccess = success
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 fixgnome(self):
'''Configure GNOME 3 for automatic logout.
@author: d.kennel
'''
if self.environ.geteuid() != 0:
debug = "Configuring gnome requires root privileges"
self.logger.log(LogPriority.DEBUG, debug)
self.detailedresults += "Configuring gnome requires root " + \
"privileges\n"
return False
success = True
createddir = False
debug = ""
if os.path.exists("/usr/bin/gsettings"):
if not os.path.exists('/etc/dconf/db/local.d'):
if not os.makedirs('/etc/dconf/db/local.d/'):
success = False
debug = "Unable to create the /etc/dconf/db/local.d/ directory"
self.detailedresults += "Unable to create the /etc/dconf/db/local.d/ directory"
self.logger.log(LogPriority.DEBUG, debug)
else:
createddir = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "creation",
"filepath": "/etc/dconf/db/local.d"
}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists('/etc/dconf/db/local.d'):
created1, created2 = False, False
self.logdispatch.log(LogPriority.DEBUG, [
'ForceIdleLogout.__fixgnome3', 'Working GNOME with dconf'
])
try:
seconds = self.timeoutci.getcurrvalue() * 60
except (TypeError):
self.detailedresults += "FORCEIDLELOGOUTTIMEOUT value is " + \
"not valid!\n"
self.rulesuccess = False
return False
if not os.path.exists(self.gnomesettingpath):
if not createFile(self.gnomesettingpath, self.logger):
success = False
self.detailedresults += "Unable to create " + self.gnomesettingpath + " file\n"
else:
created1 = True
if not createddir:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "creation",
"filepath": self.gnomesettingpath
}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(self.gnomesettingpath):
gdirectives = {
"org.gnome.settings-daemon.plugins.power": {
"sleep-inactive-ac-type": "'logout'",
'sleep-inactive-ac-timeout': str(seconds)
}
}
geditor = KVEditorStonix(self.statechglogger, self.logger,
"tagconf", self.gnomesettingpath,
self.gnomesettingpath + '.tmp',
gdirectives, "present",
"closedeq")
geditor.report()
if geditor.fixables:
if geditor.fix():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
geditor.setEventID(myid)
if geditor.commit():
debug = self.gnomesettingpath + "'s contents have been " + \
"corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown(self.gnomesettingpath, 0, 0)
os.chmod(self.gnomesettingpath, 0o644)
resetsecon(self.gnomesettingpath)
else:
debug = "kveditor commit not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
self.detailedresults += self.gnomesettingpath + \
" properties could not be set\n"
succeess = False
else:
debug = "kveditor fix not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
self.detailedresults += self.gnomesettingpath + \
" properties could not be set\n"
succeess = False
if not checkPerms(self.gnomesettingpath, [0, 0, 0o644],
self.logger):
if not created1:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.gnomesettingpath,
[0, 0, 0o644], self.logger,
self.statechglogger, myid):
self.detailedresults += "Unable to set permissions on " + \
self.gnomesettingpath + " file\n"
success = False
else:
if not setPerms(self.gnomesettingpath,
[0, 0, 0o644], self.logger):
self.detailedresults += "Unable to set permissions on " + \
self.gnomesettingpath + " file\n"
success = False
havetimeoutlock = False
havelogoutlock = False
lockdata = []
if not os.path.exists(self.gnomelockpath):
if not createFile(self.gnomelockpath, self.logger):
success = False
self.detailedresults += "Unable to create " + self.gnomelockpath + " file\n"
else:
created2 = True
if not createddir:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "creation",
"filepath": self.gnomelockpath
}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(self.gnomelockpath):
contents = readFile(self.gnomelockpath, self.logger)
for line in contents:
if re.search(
'/org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-timeout',
line):
havetimeoutlock = True
if re.search(
"/org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-type",
line):
havelogoutlock = True
if not havetimeoutlock:
lockdata.append(
'/org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-timeout\n'
)
if not havelogoutlock:
lockdata.append(
"/org/gnome/settings-daemon/plugins/power/sleep-inactive-ac-type\n"
)
tempfile = self.gnomelockpath + ".tmp"
if writeFile(tempfile, lockdata, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "conf",
"filepath": self.gnomelockpath
}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
self.gnomelockpath, tempfile, myid)
os.rename(tempfile, self.gnomelockpath)
os.chown(self.gnomelockpath, 0, 0)
os.chmod(self.gnomelockpath, 0o644)
resetsecon(self.gnomelockpath)
else:
self.detailedresults += "Unable to write contents to " + \
self.gnomelockpath
success = False
if not checkPerms(self.gnomelockpath, [0, 0, 0o644],
self.logger):
if not created2:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.gnomelockpath, [0, 0, 0o644],
self.logger, self.statechglogger,
myid):
self.detailedresults += "Unable to set permissions on " + \
self.gnomelockpath + " file\n"
success = False
else:
if not setPerms(self.gnomelockpath, [0, 0, 0o644],
self.logger):
self.detailedresults += "Unable to set permissions on " + \
self.gnomelockpath + " file\n"
success = False
if self.ph.check(self.gconf):
self.logdispatch.log(
LogPriority.DEBUG,
['ForceIdleLogout.__fixgnome3', 'Working GNOME with gconf'])
undocmd = ""
undoprefix = '/usr/bin/gconftool-2 --direct --config-source ' + \
'xml:readwrite:/etc/gconf/gconf.xml.mandatory '
setprefix = '/usr/bin/gconftool-2 --direct --config-source ' + \
'xml:readwrite:/etc/gconf/gconf.xml.mandatory --set '
settime = setprefix + \
'--type integer /desktop/gnome/session/max_idle_time ' + \
str(self.timeoutci.getcurrvalue())
setlogout = setprefix + \
'--type string /desktop/gnome/session/' + \
'max_idle_action forced-logout'
if self.timeoutwrong:
self.cmdhelper.executeCommand(settime)
retcode = self.cmdhelper.getReturnCode()
if retcode != 0:
errstr = self.cmdhelper.getErrorString()
self.logger.log(LogPriority.DEBUG, errstr)
self.detailedresults += 'Failed to configure idle time limit option.\n'
success = False
else:
if self.undotimeout == "unset":
undocmd = undoprefix + '--unset /desktop/gnome/session/max_idle_time'
else:
undocmd = setprefix + '--type integer /desktop/gnome/session/max_idle_time ' + \
self.undotimeout
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "command", "command": undocmd}
self.statechglogger.recordchgevent(myid, event)
self.detailedresults += 'Maximum idle time limit configured successfully.\n'
if self.logoutwrong:
self.cmdhelper.executeCommand(setlogout)
retcode = self.cmdhelper.getReturnCode()
if retcode != 0:
errstr = self.cmdhelper.getErrorString()
self.logger.log(LogPriority.DEBUG, errstr)
self.detailedresults += 'Failed to configure idle forced-logout option.\n'
success = False
else:
if self.undoforcelogout == "unset":
undocmd = undoprefix + '--unset /desktop/gnome/session/max_idle_action'
else:
undocmd = setprefix + '--type integer /desktop/gnome/session/max_idle_action ' + \
self.undoforcelogout
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "command", "command": undocmd}
self.statechglogger.recordchgevent(myid, event)
self.detailedresults += 'Idle forced-logout option configured successfully.\n'
return success
def fix(self):
''' '''
try:
if not self.ci.getcurrvalue():
return
self.detailedresults = ""
success = True
created = False
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if self.installed:
if not os.path.exists(self.squidfile):
if not createFile(self.squidfile, self.logger):
success = False
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.squidfile}
self.statechglogger.recordchgevent(myid, event)
if not checkPerms(self.squidfile, [0, 0, 420], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.squidfile, [0, 0, 420], self.logger,
self.statechglogger, myid):
success = False
else:
if not setPerms(self.squidfile, [0, 0, 420], self.logger):
success = False
tempstring = ""
contents = readFile(self.squidfile, self.logger)
newcontents = []
if contents:
'''Remove any undesired acl lines'''
for line in contents:
if re.match('^#', line) or re.match(r'^\s*$', line):
newcontents.append(line)
elif re.search("^acl Safe_ports port ", line.strip()):
m = re.search("acl Safe_ports port ([0-9]+).*", line)
if m.group(1):
item = "acl Safe_ports port " + m.group(1)
if item in self.denied:
continue
else:
newcontents.append(line)
else:
newcontents.append(line)
'''removeables list holds key vals we find in the file
that we can remove from self.data'''
removeables = []
'''deleteables list holds key vals we can delete from
newcontents list if it's incorrect.'''
deleteables = {}
for key in self.data1:
found = False
for line in reversed(newcontents):
if re.match('^#', line) or re.match(r'^\s*$', line):
continue
elif re.search("^" + key + " ", line) or re.search("^" + key, line):
temp = line.strip()
temp = re.sub("\s+", " ", temp)
temp = temp.split(" ")
if len(temp) >= 3:
joinlist = [temp[1], temp[2]]
joinstring = " ".join(joinlist)
if self.data1[key] == joinstring:
'''We already found this line and value
No need for duplicates'''
if found:
newcontents.remove(line)
continue
removeables.append(key)
found = True
else:
try:
deleteables[line] = ""
except Exception:
continue
continue
elif len(temp) == 2:
if self.data1[key] == temp[1]:
'''We already found this line and value
No need for duplicates'''
if found:
newcontents.remove(line)
continue
removeables.append(key)
found = True
else:
try:
deleteables[line] = ""
except Exception:
continue
continue
elif len(temp) == 1:
try:
deleteables[line] = ""
except Exception:
continue
continue
if deleteables:
for item in deleteables:
newcontents.remove(item)
'''anything in removeables we found in the file so
we will remove from the self.data1 dictionary'''
if removeables:
for item in removeables:
del(self.data1[item])
'''now check if there is anything left over in self.data1
if there is we need to add that to newcontents list'''
if self.data1:
for item in self.data1:
line = item + " " + self.data1[item] + "\n"
newcontents.append(line)
for line in newcontents:
found = False
if re.search("^http_access", line.strip()):
temp = line.strip()
temp = re.sub("\s+", " ", temp)
temp = re.sub("http_access\s+", "", temp)
if re.search("^deny to_localhost", temp):
found = True
break
if not found:
newcontents.append("http_access deny to_localhost\n")
for item in newcontents:
tempstring += item
tmpfile = self.squidfile + ".tmp"
if not writeFile(tmpfile, tempstring, self.logger):
success = False
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": self.squidfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.squidfile,
tmpfile, myid)
os.rename(tmpfile, self.squidfile)
os.chown(self.squidfile, 0, 0)
os.chmod(self.squidfile, 420)
resetsecon(self.squidfile)
else:
tempstring = ""
for item in self.data1:
tempstring += item + " " + self.data1[item] + "\n"
for item in self.data2:
tempstring += item + " " + self.data2[item] + "\n"
tmpfile = self.squidfile + ".tmp"
if not writeFile(tmpfile, tempstring, self.logger):
success = False
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": self.squidfile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.squidfile,
tmpfile, myid)
os.rename(tmpfile, self.squidfile)
os.chown(self.squidfile, 0, 0)
os.chmod(self.squidfile, 420)
resetsecon(self.squidfile)
self.rulesuccess = success
except (KeyboardInterrupt, SystemExit):
# User initiated exit
raise
except Exception as err:
self.rulesuccess = False
self.detailedresults = self.detailedresults + "\n" + str(err) + \
" - " + 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
def fix(self):
''' '''
self.detailedresults = ""
self.iditerator = 0
self.rulesuccess = True
success = True
consoleaccess = self.consoleCi.getcurrvalue()
autofs = self.autofsCi.getcurrvalue()
gnomeautomount = self.gnomeCi.getcurrvalue()
mylist = [consoleaccess, autofs, gnomeautomount]
try:
# if none of the CIs are enabled, skip fix
if not any(mylist):
self.detailedresults += "\nNone of the CI's were enabled. Nothing was done."
self.formatDetailedResults("fix", self.rulesuccess, self.detailedresults)
self.logdispatch.log(LogPriority.INFO, self.detailedresults)
return self.rulesuccess
# clear event list data
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
# if restrict console access CI is enabled, restrict console access
if self.consoleCi.getcurrvalue():
if os.path.exists(self.sec_console_perms1):
tmpfile = self.sec_console_perms1 + ".stonixtmp"
defaultPerms = open(self.sec_console_perms1, "r").read()
defaultPerms = re.sub("(<[x]?console>)", r"#\1", defaultPerms)
if writeFile(tmpfile, defaultPerms, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.sec_console_perms1}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.sec_console_perms1, tmpfile, myid)
os.rename(tmpfile, self.sec_console_perms1)
resetsecon(self.sec_console_perms1)
else:
success = False
self.detailedresults += "Problem writing new contents to " + \
"temporary file"
if os.path.exists(self.sec_console_perms2):
self.editor = KVEditorStonix(self.statechglogger, self.logger, "conf", self.sec_console_perms2, self.console_perms_temppath, self.data, "present", "closedeq")
self.editor.report()
if self.editor.fixables:
if self.editor.fix():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor.setEventID(myid)
if self.editor.commit():
debug = self.sec_console_perms2 + "'s contents have been " \
+ "corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
resetsecon(self.sec_console_perms2)
else:
debug = "kveditor commit not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.detailedresults += self.sec_console_perms2 + \
" properties could not be set\n"
else:
debug = "kveditor fix not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.detailedresults += self.sec_console_perms2 + \
" properties could not be set\n"
# if autofs CI is enabled, disable autofs
if self.autofsCi.getcurrvalue():
if self.ph.check(self.autofspkg) and \
self.sh.auditService(self.autofssvc, _="_"):
if self.sh.disableService(self.autofssvc, _="_"):
debug = "autofs service successfully disabled\n"
self.logger.log(LogPriority.DEBUG, debug)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "servicehelper", "servicename":
self.autofssvc, "startstate": "enabled",
"endstate": "disabled"}
self.statechglogger.recordchgevent(myid, event)
else:
success = False
debug = "Unable to disable autofs service\n"
self.logger.log(LogPriority.DEBUG, debug)
returnCode = 0
if self.gnomeCi.getcurrvalue():
if os.path.exists(self.gsettings):
# gsettings requires a D-Bus session bus in order to make
# any changes. This is because the dconf daemon must be
# activated using D-Bus.
if not os.path.exists(self.dbuslaunch):
self.ph.install("dbus-x11")
if os.path.exists(self.dbuslaunch):
if not self.automountOff:
cmd = [self.dbuslaunch, self.gsettings, "set",
"org.gnome.desktop.media-handling",
"automount", "false"]
self.ch.executeCommand(cmd)
returnCode = self.ch.getReturnCode()
if not returnCode:
self.iditerator += 1
myid = iterate(self.iditerator,
self.rulenumber)
event = {"eventtype": "comm", "command":
["dbus-launch", "gsettings", "set",
"org.gnome.desktop.media-handling",
"automount", "true"]}
self.statechglogger.recordchgevent(myid, event)
if not self.autorunNever:
cmd = [self.dbuslaunch, "gsettings", "set",
"org.gnome.desktop.media-handling",
"autorun-never", "true"]
self.ch.executeCommand(cmd)
returnCode += self.ch.getReturnCode()
if not self.ch.getReturnCode():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "comm", "command":
[self.dbuslaunch, self.gsettings, "set",
"org.gnome.desktop.media-handling",
"autorun-never", "false"]}
self.statechglogger.recordchgevent(myid, event)
else:
success = False
debug = "Unable to disable GNOME automounting: " + \
"dbus-x11 is not installed"
self.logger.log(LogPriority.DEBUG, debug)
if os.path.exists(self.gconftool):
if self.automountMedia:
cmd = [self.gconftool, "--direct", "--config-source",
"xml:readwrite:/etc/gconf/gconf.xml.mandatory",
"--type", "bool", "--set",
"/desktop/gnome/volume_manager/automount_media",
"false"]
self.ch.executeCommand(cmd)
returnCode = self.ch.getReturnCode()
if not returnCode:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "comm", "command":
[self.gconftool, "--direct",
"--config-source", "xml:readwrite:" +
"/etc/gconf/gconf.xml.mandatory",
"--type", "bool", "--set",
"/desktop/gnome/volume_manager/" +
"automount_media", "true"]}
self.statechglogger.recordchgevent(myid, event)
if self.automountDrives:
cmd = [self.gconftool, "--direct", "--config-source",
"xml:readwrite:/etc/gconf/gconf.xml.mandatory",
"--type", "bool", "--set",
"/desktop/gnome/volume_manager/automount_drives",
"false"]
self.ch.executeCommand(cmd)
returnCode += self.ch.getReturnCode()
if not self.ch.getReturnCode():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "comm", "command":
[self.gconftool, "--direct",
"--config-source", "xml:readwrite:" +
"/etc/gconf/gconf.xml.mandatory",
"--type", "bool", "--set",
"/desktop/gnome/volume_manager/" +
"automount_drives",
"true"]}
self.statechglogger.recordchgevent(myid, event)
if returnCode:
success = False
self.detailedresults += "Fix failed to disable GNOME automounting\n"
# reset these directories to be owned by their respective users
dirs = ''
if os.path.exists('/run/user'):
dirs = os.listdir('/run/user')
if dirs:
for d in dirs:
# check if the directory is an integer representing a uid
if re.search('^([+-]?[1-9]\d*|0)$', d, re.IGNORECASE):
self.logger.log(LogPriority.DEBUG, "Found UID directory")
try:
os.chown('/run/user/' + d + '/dconf/user', int(d), int(d))
except Exception as errmsg:
self.logger.log(LogPriority.DEBUG, str(errmsg))
continue
else:
self.logger.log(LogPriority.DEBUG, "no directories in /run/user")
self.rulesuccess = success
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 fix(self):
try:
if not self.ci.getcurrvalue():
return True
config = ""
if os.path.exists(self.path):
config = readFile(self.path, self.logger)
tmpconfig = self.path + ".tmp"
config2 = []
configstring = ""
if config:
for line in config:
splitline = line.split()
if len(splitline) >= 1:
if search("^\*timeout:", splitline[0]):
continue
elif search("^\*lockTimeout:", splitline[0]):
continue
elif search("^\*grabDesktopImages:", splitline[0]):
continue
elif search("^\*chooseRandomImages:", splitline[0]):
continue
elif search("^\*lock:", line):
continue
elif len(splitline) == 1 and splitline[0] not in \
self.badsavers:
config2.append(line)
elif len(splitline) == 2 and splitline[0] not in \
self.badsavers and splitline[1] not in self.badsavers:
config2.append(line)
elif len(splitline) > 2 and splitline[0] not in \
self.badsavers and splitline[1] not in \
self.badsavers and splitline[2] not in \
self.badsavers:
config2.append(line)
else:
config2.append(line)
else:
config2.append(line)
for line in config2:
configstring += line
configstring += "timeout: 0:10:00\nlockTimeout: 0:05:00\n\
grabDesktopImages: False\nchooseRandomImages: True\n\
lock: True\n"
if writeFile(tmpconfig, configstring, self.logger):
os.rename(tmpconfig, self.path)
os.chown(self.path, 0, 0)
os.chmod(self.path, 420)
resetsecon(self.path)
else:
self.rulesuccess = False
for saver in self.badsavers:
for k, v in list(self.paths.items()):
try:
if os.path.exists(k + saver):
os.remove(k + saver)
elif os.path.exists(k + saver + v):
os.remove(k + saver + v)
except (OSError):
self.detailedresults += "The following file had " + \
"issues being removed:" + saver + "\n"
self.rulesuccess = False
for saver in self.badkss:
try:
if os.path.exists("/usr/bin/" + saver):
os.remove("/usr/bin/" + saver)
except (OSError):
self.detailedresults += "The following file had " + \
"issues being removed" + saver + "\n"
self.rulesuccess = False
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 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
def fixLinux(self):
'''
@change: dkennel removed extraneous arg from setperms call on 864
'''
universal = "#The following lines were added by stonix\n"
debug = ""
success = True
ifacefile = ""
netwrkfile = ""
sysctl = "/etc/sysctl.conf"
blacklistfile = "/etc/modprobe.d/stonix-blacklist.conf"
# STIG portion, correct netconfig file
if self.ph.manager == "apt-get":
nfspkg = "nfs-common"
else:
nfspkg = "nfs-utils.x86_64"
# if package not installed, no need to configure it
if self.ph.check(nfspkg):
if os.path.exists("/etc/netconfig"):
filestring = ""
# we want to make sure the following two lines don't
# appear in the netconfig file
item1 = "udp6 tpi_clts v inet6 udp - -"
item2 = "tcp6 tpi_cots_ord v inet6 tcp - -"
contents = readFile("/etc/netconfig", self.logger)
for line in contents:
templine = re.sub("\s+", " ", line.strip())
# if we find the lines, skip them thus leaving them out of
# of the rewrite
if re.search(item1, templine) or re.search(
item2, templine):
continue
else:
filestring += line
tmpfile = "/etc/netconfig.tmp"
if not writeFile(tmpfile, filestring, self.logger):
success = False
else:
# record event, rename file, set perms
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": "/etc/netconfig"}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
"/etc/netconfig", tmpfile, myid)
os.rename(tmpfile, "/etc/netconfig")
os.chown("/etc/netconfig", 0, 0)
os.chmod("/etc/netconfig", 420)
resetsecon("/etc/netconfig")
# remove any ipv6 addresses from /etc/hosts file
if os.path.exists("/etc/hosts"):
contents = readFile("/etc/hosts", self.logger)
tempstring = ""
tmpfile = "/etc/hosts.tmp"
for line in contents:
if re.search("^#", line) or re.match("^\s*$", line):
tempstring += line
continue
elif re.search(":", line):
tempstring += "#" + line
else:
tempstring += line
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": "/etc/hosts"}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange("/etc/hosts", tmpfile,
myid)
os.rename(tmpfile, "/etc/hosts")
os.chown("/etc/hosts", 0, 0)
os.chmod("/etc/hosts", 420)
resetsecon("/etc/hosts")
else:
success = False
debug = "Unable to write to file /etc/hosts\n"
self.logger.log(LogPriority.DEBUG, debug)
# fix sysctl / tuning kernel parameters
# manually write key value pairs to /etc/sysctl.conf
created = False
if not os.path.exists(sysctl):
if createFile(sysctl, self.logger):
created = True
setPerms(sysctl, [0, 0, 0o644], self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": sysctl}
self.statechglogger.recordchgevent(myid, event)
else:
success = False
debug = "Unable to create " + sysctl + "\n"
self.logger.log(LogPriority.DEBUG, debug)
if os.path.exists(sysctl):
if not checkPerms(sysctl, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(sysctl, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
tmpfile = sysctl + ".tmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
"conf", sysctl, tmpfile,
self.sysctls, "present", "openeq")
if not self.editor1.report():
if self.editor1.fixables:
# If we did not create the file, set an event ID for the
# KVEditor's undo event
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor1.setEventID(myid)
if not self.editor1.fix():
success = False
debug = "Unable to complete kveditor fix method" + \
"for /etc/sysctl.conf file\n"
self.logger.log(LogPriority.DEBUG, debug)
elif not self.editor1.commit():
success = False
debug = "Unable to complete kveditor commit " + \
"method for /etc/sysctl.conf file\n"
self.logger.log(LogPriority.DEBUG, debug)
if not checkPerms(sysctl, [0, 0, 0o644], self.logger):
if not setPerms(self.path, [0, 0, 0o644], self.logger):
self.detailedresults += "Could not set permissions on " + \
self.path + "\n"
success = False
resetsecon(sysctl)
# here we also check the output of the sysctl command for each key
# to cover all bases
for key in self.sysctls:
if self.ch.executeCommand("/sbin/sysctl " + key):
output = self.ch.getOutputString().strip()
errmsg = output + self.ch.getErrorString()
if re.search("unknown key", errmsg):
continue
if not re.search(self.sysctls[key] + "$", output):
undovalue = output[-1]
self.ch.executeCommand("/sbin/sysctl -q -e -w " + key +
"=" + self.sysctls[key])
retcode = self.ch.getReturnCode()
if retcode != 0:
success = False
self.detailedresults += "Failed to set " + key + " = " + self.sysctls[
key] + "\n"
errmsg = self.ch.getErrorString()
self.logger.log(LogPriority.DEBUG, errmsg)
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
command = "/sbin/sysctl -q -e -w " + key + "=" + undovalue
event = {
"eventtype": "commandstring",
"command": command
}
self.statechglogger.recordchgevent(myid, event)
else:
self.detailedresults += "Unable to get value for " + key + "\n"
success = False
# at the end do a print and ignore any key errors to ensure
# the new values are read into the kernel
self.ch.executeCommand("/sbin/sysctl -q -e -p")
retcode2 = self.ch.getReturnCode()
if retcode2 != 0:
success = False
self.detailedresults += "Failed to load new sysctl configuration from config file\n"
errmsg2 = self.ch.getErrorString()
self.logger.log(LogPriority.DEBUG, errmsg2)
# We never found the correct contents in any of the modprobe.d files
# so we're going to created the stonix-blacklist file
# this file is used in other rules
if not self.modprobeOK:
created = False
tmpfile = blacklistfile + ".tmp"
modprobekveditor = KVEditorStonix(self.statechglogger, self.logger,
"conf", blacklistfile, tmpfile,
self.modprobes, "notpresent",
"space")
if not os.path.exists(blacklistfile):
# create the file and record the event as file creation
if createFile(blacklistfile, self.logger):
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "creation",
"filepath": blacklistfile
}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(blacklistfile):
if not modprobekveditor.report():
if not modprobekveditor.fix():
success = False
self.detailedresults += "Unable to correct contents in " + \
blacklistfile + "\n"
else:
# if the file was created, then we already recorded an event
# for that, so this step would get skipped
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
modprobekveditor.setEventID(myid)
if not modprobekveditor.commit():
success = False
self.detailedresults += "Unable to correct contents in " + \
blacklistfile + "\n"
# fix ifcfg (interface) files
if self.ph.manager == "yum":
ifacefile = "/etc/sysconfig/network-scripts/"
netwrkfile = "/etc/sysconfig/network"
elif self.ph.manager == "zypper":
ifacefile = "/etc/sysconfig/network/"
if ifacefile:
if os.path.exists(ifacefile):
dirs = glob.glob(ifacefile + "*")
if dirs:
for loc in dirs:
interface = {"IPV6INIT": "no", "NETWORKING_IPV6": "no"}
interface2 = {
"IPV6INIT": "no",
"NETWORKING_IPV6": "no"
}
found = False
tempstring = ""
if re.search('^' + ifacefile + 'ifcfg', loc):
filename = loc
tmpfile = filename + ".tmp"
contents = readFile(filename, self.logger)
if not checkPerms(filename, [0, 0, 420],
self.logger):
self.iditerator += 1
myid = iterate(self.iditerator,
self.rulenumber)
if not setPerms(filename, [0, 0, 420],
self.logger,
self.statechglogger, myid):
debug = "Unable to set permissions on " + \
filename + "\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
for key in interface:
found = False
for line in contents:
if re.search("^#", line) or \
re.match("^\s*$", line):
continue
if re.search("^" + key, line):
if re.search("=", line):
temp = line.split("=")
if temp[1].strip(
) == interface[key]:
if found:
continue
found = True
else:
contents.remove(line)
if found:
del interface2[key]
for line in contents:
tempstring += line
tempstring += universal
for key in interface2:
tempstring += key + "=" + interface2[key] + \
"\n"
if not writeFile(tmpfile, tempstring, self.logger):
success = False
debug = "Unable to write to file " + loc + "\n"
self.logger.log(LogPriority.DEBUG, debug)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf', 'filepath': filename}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
filename, tmpfile, myid)
os.rename(tmpfile, filename)
os.chown(filename, 0, 0)
os.chmod(filename, 420)
resetsecon(filename)
elif not os.path.exists(ifacefile) and ifacefile != "":
# will not attempt to create the interface files
debug = "interface directory which holds interface \
files, doesn't exist, stonix will not attempt to make this \
directory or the files contained therein"
success = False
self.logger.log(LogPriority.DEBUG, debug)
# fix network file if it exists
if netwrkfile:
if not os.path.exists(netwrkfile):
if not createFile(netwrkfile, self.logger):
debug = "Unable to create " + netwrkfile + "file\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
if not checkPerms(netwrkfile, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(netwrkfile, [0, 0, 420], self.logger,
self.statechglogger, myid):
debug = "Unable to set permissions on " + \
netwrkfile + "\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
tmpfile = netwrkfile + ".tmp"
self.editor2 = KVEditorStonix(self.statechglogger,
self.logger, "conf",
netwrkfile, tmpfile,
self.interface, "present",
"closedeq")
if not self.editor2.report():
self.detailedresults += netwrkfile + " doesn't contain \
the correct contents\n"
if self.editor2:
if self.editor2.fixables:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor2.setEventID(myid)
if not self.editor2.fix():
success = False
debug = "Unable to complete kveditor fix method" + \
"for " + netwrkfile + "\n"
self.logger.log(LogPriority.DEBUG, debug)
elif not self.editor2.commit():
success = False
debug = "Unable to complete kveditor commit " + \
"method for " + netwrkfile + "\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown(netwrkfile, 0, 0)
os.chmod(netwrkfile, 420)
resetsecon(netwrkfile)
# fix sshd_config file for apt-get systems if ssh is installed
if self.ph.manager == "apt-get":
if not os.path.exists("/etc/ssh/sshd_config"):
msg = "/etc/ssh/ssd_config doesn\'t exist. This could mean ssh \
is not installed or the file has been inadvertantly deleted. Due to the \
complexity of this file stonix will not attempt to create this file"
self.logger.log(LogPriority.DEBUG, msg)
success = False
else:
if not checkPerms("/etc/ssh/sshd_config", [0, 0, 420],
self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms("/etc/ssh/sshd_config", [0, 0, 420],
self.logger, self.statechglogger, myid):
success = False
debug = "Unable to set permissions on " + \
"/etc/ssh/sshd_config\n"
self.logger.log(LogPriority.DEBUG, debug)
if self.editor3:
if self.editor3.fixables:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor3.setEventID(myid)
if not self.editor3.fix():
success = False
debug = "Unable to complete kveditor fix method" + \
"for /etc/ssh/sshd_config file\n"
self.logger.log(LogPriority.DEBUG, debug)
elif not self.editor3.commit():
success = False
debug = "Unable to complete kveditor commit " + \
"method for /etc/ssh/sshd_config file\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown("/etc/ssh/sshd_config", 0, 0)
os.chmod("/etc/ssh/sshd_config", 420)
resetsecon("/etc/ssh/sshd_config")
return success
def fixDebianSys(self):
"""
:return: success
:rtype: bool
"""
success = True
if not checkPerms(self.tftpFile, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.tftpFile, [0, 0, 420], self.logger,
self.statechglogger, myid):
self.detailedresults += "Unable to set " + \
"permissions on " + self.tftpFile + "\n"
success = False
contents = readFile(self.tftpFile, self.logger)
found1 = False
found2 = False
tempstring = ""
for line in contents:
if re.search("TFTP_OPTIONS", line):
if found1:
continue
if re.search("=", line):
tmp = line.strip()
tmp = tmp.split("=")
try:
#remove beginning and ending spaces of the part
#after = if necessary
opts = tmp[1].strip()
#opts = "\" sdfads \""
#replace actual quotes with nothing
opts = re.sub("\"", "", opts)
#opts = " sdfads "
#once again replace any whitespace with just one space
opts = re.sub("/s+", " ", opts.strip())
#split by single whitespace
opts = opts.split(" ")
if "--secure" not in opts:
continue
else:
tempstring += line
found1 = True
except IndexError:
continue
else:
continue
elif re.search("TFTP_DIRECTORY", line):
if found2:
continue
if re.search("=", line):
tmp = line.strip()
tmp = tmp.split("=")
try:
opts = tmp[1].strip()
opts = re.sub("\"", "", opts)
if not re.search("^/var/lib/tftpboot$", opts):
continue
else:
tempstring += line
found2 = True
except IndexError:
continue
else:
tempstring += line
if not found1:
tempstring += "TFTP_OPTIONS=\"--secure\"\n"
if not found2:
tempstring += "TFTP_DIRECTORY=\"/var/lib/tftpboot\"\n"
tmpfile = self.tftpFile + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.tftpFile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.tftpFile, tmpfile, myid)
os.rename(tmpfile, self.tftpFile)
os.chown(self.tftpFile, 0, 0)
os.chmod(self.tftpFile, 420)
resetsecon(self.tftpFile)
else:
self.detailedresults += "Unable to write new contents " + \
"to " + self.tftpFile + " file.\n"
success = False
return success
def fixBootMode(self):
success = True
if self.initver == "systemd":
cmd = ["/bin/systemctl", "set-default",
"multi-user.target"]
if not self.ch.executeCommand(cmd):
success = False
self.detailedresults += '"systemctl set-default ' \
+ 'multi-user.target" did not succeed\n'
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
commandstring = "/bin/systemctl set-default " + \
"graphical.target"
event = {"eventtype": "commandstring",
"command": commandstring}
self.statechglogger.recordchgevent(myid, event)
elif self.initver == "debian":
dmlist = ["gdm", "gdm3", "lightdm", "xdm", "kdm"]
for dm in dmlist:
cmd = ["update-rc.d", "-f", dm, "disable"]
if not self.ch.executeCommand(cmd):
self.detailedresults += "Failed to disable desktop " + \
"manager " + dm
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "servicehelper",
"servicename": dm,
"startstate": "enabled",
"endstate": "disabled"}
self.statechglogger.recordchgevent(myid, event)
elif self.initver == "ubuntu":
ldmover = "/etc/init/lightdm.override"
tmpfile = ldmover + ".tmp"
created = False
if not os.path.exists(ldmover):
createFile(ldmover, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": ldmover}
self.statechglogger.recordchgevent(myid, event)
created = True
writeFile(tmpfile, "manual\n", self.logger)
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": ldmover}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(ldmover, tmpfile, myid)
os.rename(tmpfile, ldmover)
resetsecon(ldmover)
grub = "/etc/default/grub"
if not os.path.exists(grub):
createFile(grub, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": grub}
self.statechglogger.recordchgevent(myid, event)
tmppath = grub + ".tmp"
data = {"GRUB_CMDLINE_LINUX_DEFAULT": '"quiet"'}
editor = KVEditorStonix(self.statechglogger, self.logger,
"conf", grub, tmppath, data,
"present", "closedeq")
editor.report()
if editor.fixables:
if editor.fix():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
editor.setEventID(myid)
debug = "kveditor fix ran successfully\n"
self.logger.log(LogPriority.DEBUG, debug)
if editor.commit():
debug = "kveditor commit ran successfully\n"
self.logger.log(LogPriority.DEBUG, debug)
else:
error = "kveditor commit did not run " + \
"successfully\n"
self.logger.log(LogPriority.ERROR, error)
success = False
else:
error = "kveditor fix did not run successfully\n"
self.logger.log(LogPriority.ERROR, error)
success = False
cmd = "update-grub"
self.ch.executeCommand(cmd)
else:
inittab = "/etc/inittab"
tmpfile = inittab + ".tmp"
if os.path.exists(inittab):
initText = open(inittab, "r").read()
initre = r"id:\d:initdefault:"
if re.search(initre, initText):
initText = re.sub(initre, "id:3:initdefault:",
initText)
writeFile(tmpfile, initText, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": inittab}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(inittab,
tmpfile, myid)
os.rename(tmpfile, inittab)
resetsecon(inittab)
else:
initText += "\nid:3:initdefault:\n"
writeFile(tmpfile, initText, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": inittab}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(inittab,
tmpfile, myid)
os.rename(tmpfile, inittab)
resetsecon(inittab)
else:
self.detailedresults += inittab + " not found, no other " + \
"init system found. If you are using a supported " + \
"Linux OS, please report this as a bug\n"
return success
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 fix(self):
'''Enable the firewall services and establish basic rules if needed.
@author: D. Kennel
'''
try:
if not self.clfci.getcurrvalue():
return
self.iditerator = 0
self.detailedresults = ""
success = True
# delete past state change records from previous fix
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
#firewall-cmd portion
if self.checkFirewalld():
if self.servicehelper.enableService('firewalld.service', serviceTarget=self.serviceTarget):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = "/usr/bin/systemctl disable firewalld.service"
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
self.detailedresults += "Firewall configured.\n "
else:
success = False
self.detailedresults += "Unable to enable firewall\n"
debug = "Unable to enable firewall\n"
self.logger.log(LogPriority.DEBUG, debug)
#ufw command portion
elif self.checkUFW():
self.logger.log(LogPriority.DEBUG, "System uses ufw. Running ufw commands...")
cmdufw = '/usr/sbin/ufw status'
if not self.cmdhelper.executeCommand(cmdufw):
self.detailedresults += "Unable to run " + \
"ufw status command\n"
success = False
else:
outputufw = self.cmdhelper.getOutputString()
if re.search('Status: inactive', outputufw):
ufwcmd = '/usr/sbin/ufw --force enable'
if not self.cmdhelper.executeCommand(ufwcmd):
self.detailedresults += "Unable to run " + \
"ufw enable command\n"
success = False
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
undocmd = "/usr/sbin/ufw --force disable"
event = {"eventtype": "commandstring",
"command": undocmd}
self.statechglogger.recordchgevent(myid, event)
cmdufw = "/usr/sbin/ufw status verbose"
if not self.cmdhelper.executeCommand(cmdufw):
self.detailedresults += "Unable to retrieve firewall rules\n"
success = False
else:
outputfw = self.cmdhelper.getOutputString()
if not re.search("Default\:\ deny\ \(incoming\)", outputfw):
ufwcmd = "/usr/sbin/ufw default deny incoming"
if not self.cmdhelper.executeCommand(ufwcmd):
self.detailedresults += "Unable to set default " + \
"rule for incoming unspecified packets\n"
success = False
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
undocmd = "/usr/sbin/ufw default allow incoming"
event = {"eventtype": "commandstring",
"command": undocmd}
self.statechglogger.recordchgevent(myid, event)
elif re.search('Status: active', outputufw):
cmdufw = "/usr/sbin/ufw status verbose"
if not self.cmdhelper.executeCommand(cmdufw):
self.detailedresults += "Cannot retrieve firewall rules\n"
success = False
else:
outputufw = self.cmdhelper.getOutputString()
if not re.search("Default\:\ deny\ \(incoming\)", outputufw):
ufwcmd = "/usr/sbin/ufw default deny incoming"
if not self.cmdhelper.executeCommand(ufwcmd):
self.detailedresults += "Unable to set default " + \
"rule for incoming unspecified packets\n"
success = False
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
undocmd = "/usr/sbin/ufw default allow incoming"
event = {"eventtype": "commandstring",
"command": undocmd}
self.statechglogger.recordchgevent(myid, event)
else:
#following portion is mainly for debian and opensuse systems only
if os.path.exists("/etc/network/if-pre-up.d"):
self.iptScriptPath = "/etc/network/if-pre-up.d/iptables"
self.scriptType = "debian"
servicename = "networking"
elif os.path.exists("/etc/sysconfig/scripts"):
self.iptScriptPath = "/etc/sysconfig/scripts/SuSEfirewall2-custom"
self.scriptType = "suse"
servicename = "network"
#this script will ensure that iptables gets configured
#each time the network restarts
iptables = self.getScriptValues("iptables")
ip6tables = self.getScriptValues("ip6tables")
iptScript = ""
created = False
if self.iptScriptPath:
if self.scriptType == "debian":
if self.iprestore and self.ip6restore:
iptScript = '#!/bin/bash\n' + self.iprestore + \
' <<< "' + iptables + '"\n' + self.ip6restore + \
' <<< "' + ip6tables + '"'
else:
iptScript = self.getScriptValues("iptscript")
if iptScript:
if not os.path.exists(self.iptScriptPath):
if not createFile(self.iptScriptPath, self.logger):
success = False
self.detailedresults += "Unable to create file " + self.iptScriptPath + "\n"
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.iptScriptPath}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(self.iptScriptPath):
if not checkPerms(self.iptScriptPath, [0, 0, 0o755], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.iptScriptPath, [0, 0, 0o755], self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set permissions on " + self.iptScriptPath + "\n"
contents = readFile(self.iptScriptPath, self.logger)
if contents != iptScript:
tempfile = self.iptScriptPath + ".tmp"
if not writeFile(tempfile, iptScript, self.logger):
success = False
self.detailedresults += "Unable to write contents to " + self.iptScriptPath + "\n"
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": self.iptScriptPath}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.iptScriptPath, tempfile, myid)
os.rename(tempfile, self.iptScriptPath)
os.chown(self.iptScriptPath, 0, 0)
os.chmod(self.iptScriptPath, 0o755)
resetsecon(self.iptScriptPath)
stonixfilepath = "/var/db/stonix/"
savecmd = "/sbin/iptables-save > " + stonixfilepath + "user-firewall-pre-stonix"
if not self.cmdhelper.executeCommand(savecmd):
success = False
self.detailedresults += "Unable to save current ipv4 " + \
"firewall rules for revert\n"
debug = "Unable to save current ipv4 " + \
"firewall rules for revert\n"
self.logger.log(LogPriority.DEBUG, debug)
save6cmd = "/sbin/ip6tables-save > " + stonixfilepath + "user-firewall6-pre-stonix"
if not self.cmdhelper.executeCommand(save6cmd):
success = False
self.detailedresults += "Unable to save current ipv6 " + \
"firewall rules for revert\n"
debug = "Unable to save current ipv6 " + \
"firewall rules for revert\n"
self.logger.log(LogPriority.DEBUG, debug)
self.servicehelper.stopService(servicename)
if not self.servicehelper.startService(servicename):
success = False
self.detailedresults += "Unable to restart networking\n"
debug = "Unable to restart networking\n"
self.logger.log(LogPriority.DEBUG, debug)
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = "/sbin/iptables-restore < " + stonixfilepath + "user-firewall-pre-stonix"
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = "/sbin/ip6tables-restore < " + stonixfilepath + "user-firewall6-pre-stonix"
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
else:
success = False
self.detailedresults += "There is no iptables startup script\n"
debug = "There is no iptables startup script\n"
self.logger.log(LogPriority.DEBUG, debug)
#this portion mostly applies to RHEL6 and Centos6
if os.path.exists('/usr/bin/system-config-firewall') or \
os.path.exists('/usr/bin/system-config-firewall-tui'):
systemconfigfirewall = self.getScriptValues("systemconfigfirewall")
sysconfigiptables = self.getScriptValues("sysconfigiptables")
sysconfigip6tables = self.getScriptValues("sysconfigip6tables")
fwpath = '/etc/sysconfig/system-config-firewall'
iptpath = '/etc/sysconfig/iptables'
ip6tpath = '/etc/sysconfig/ip6tables'
#portion to handle the system-config-firewall file
created = False
if not os.path.exists(fwpath):
if not createFile(fwpath, self.logger):
success = False
self.detailedresults += "Unable to create file " + fwpath + "\n"
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": fwpath}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(fwpath):
if not checkPerms(fwpath, [0, 0, 0o600], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(fwpath, [0, 0, 0o600], self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set permissions on " + fwpath + "\n"
contents = readFile(fwpath, self.logger)
if contents != systemconfigfirewall:
print("contents don't equal systemconfigurefirewall contents\n")
tempfile = fwpath + ".tmp"
if not writeFile(tempfile, systemconfigfirewall, self.logger):
success = False
self.detailedresults += "Unable to write contents to " + fwpath + "\n"
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": fwpath}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(fwpath, tempfile, myid)
os.rename(tempfile, fwpath)
os.chown(fwpath, 0, 0)
os.chmod(fwpath, 0o600)
resetsecon(fwpath)
created = False
#portion to handle the iptables rules file
if not os.path.exists(iptpath):
if not createFile(iptpath, self.logger):
success = False
self.detailedresults += "Unable to create file " + iptpath + "\n"
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": iptpath}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(iptpath):
if not checkPerms(iptpath, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(iptpath, [0, 0, 0o644], self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set permissions on " + iptpath + "\n"
contents = readFile(iptpath, self.logger)
if contents != sysconfigiptables:
tempfile = iptpath + ".tmp"
if not writeFile(tempfile, sysconfigiptables, self.logger):
success = False
self.detailedresults += "Unable to write contents to " + iptpath + "\n"
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": iptpath}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(iptpath, tempfile, myid)
os.rename(tempfile, iptpath)
os.chown(iptpath, 0, 0)
os.chmod(iptpath, 0o644)
resetsecon(iptpath)
created = False
#portion to handle ip6tables rules file
if not os.path.exists(ip6tpath):
if not createFile(ip6tpath, self.logger):
success = False
self.detailedresults += "Unable to create file " + ip6tpath + "\n"
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": ip6tpath}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(ip6tpath):
if not checkPerms(ip6tpath, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(ip6tpath, [0, 0, 0o644], self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set permissions on " + ip6tpath + "\n"
contents = readFile(ip6tpath, self.logger)
if contents != sysconfigip6tables:
tempfile = ip6tpath + ".tmp"
if not writeFile(tempfile, sysconfigip6tables, self.logger):
success = False
self.detailedresults += "Unable to write contents to " + ip6tpath + "\n"
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": ip6tpath}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(ip6tpath, tempfile, myid)
os.rename(tempfile, ip6tpath)
os.chown(ip6tpath, 0, 0)
os.chmod(ip6tpath, 0o644)
resetsecon(ip6tpath)
# check if iptables is enabled to run at start
if not self.servicehelper.auditService('iptables'):
# enable service to run at start if not
if not self.servicehelper.enableService('iptables'):
self.detailedresults += "Unable to enable iptables service\n"
debug = "Unable to enable iptables service\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
# record event if successful
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = self.servicehelper.getDisableCommand('iptables')
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
self.servicehelper.stopService('iptables')
# start iptables if not
if not self.servicehelper.startService('iptables'):
self.detailedresults += "Unable to start iptables service\n"
debug = "Unable to start iptables service\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
stonixfilepath = "/var/db/stonix/"
savecmd = "/sbin/iptables-save > " + stonixfilepath + "user-firewall-pre-stonix"
if not self.cmdhelper.executeCommand(savecmd):
success = False
self.detailedresults += "Unable to save current ipv4 " + \
"firewall rules for revert\n"
debug = "Unable to save current ipv4 " + \
"firewall rules for revert\n"
self.logger.log(LogPriority.DEBUG, debug)
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = "/sbin/iptables-restore < " + stonixfilepath + "user-firewall-pre-stonix"
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
savecmd = "/sbin/ip6tables-save > " + stonixfilepath + "user-firewall6-pre-stonix"
if not self.cmdhelper.executeCommand(savecmd):
success = False
self.detailedresults += "Unable to save current ipv6 " + \
"firewall rules for revert\n"
debug = "Unable to save current ipv6 " + \
"firewall rules for revert\n"
self.logger.log(LogPriority.DEBUG, debug)
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = "/sbin/ip6tables-restore < " + stonixfilepath + "user-firewall6-pre-stonix"
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
# check if ip6tables is enabled to run at start
if not self.servicehelper.auditService('ip6tables'):
# enable service to run at start if not
if not self.servicehelper.enableService('ip6tables'):
self.detailedresults += "Unable to enable ip6tables service\n"
debug = "Unable to enable ip6tables service\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
# record event if successful
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
cmd = self.servicehelper.getDisableCommand('ip6tables')
event = {"eventtype": "commandstring",
"command": cmd}
self.statechglogger.recordchgevent(myid, event)
self.servicehelper.stopService('ip6tables')
# start ip6tables if not
if not self.servicehelper.startService('ip6tables'):
self.detailedresults += "Unable to start ip6tables service\n"
debug = "Unable to start ip6tables service\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
# Sleep for a bit to let the restarts occur
time.sleep(10)
self.rulesuccess = success
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):
'''sub method for linux portion of compliance fixing
@author: dwalker
:returns: success
:rtype: boolean
'''
success = True
created1, created2 = False, False
changed = False
tempstring = ""
grubfilefound = False
for grub in self.grubfiles:
if os.path.exists(grub):
grubfilefound = True
if self.grubperms:
if not checkPerms(grub, self.grubperms, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(grub, self.grubperms, self.logger,
self.statechglogger, myid):
success = False
contents = readFile(grub, self.logger)
kernellinefound = False
if contents:
for line in contents:
if re.search("^kernel", line.strip()) or re.search("^linux", line.strip()) \
or re.search("^linux16", line.strip()):
kernellinefound = True
if not re.search("\s+nousb\s*", line):
changed = True
tempstring += line.strip() + " nousb"
if not re.search(
"\s+usbcore\.authorized_default=0\s+",
line):
changed = True
tempstring += line.strip(
) + " usbcore.authorized_default=0"
tempstring += "\n"
elif re.search("^set default_kernelopts",
line.strip()):
# Fedora 31 has changed it's kernel option line format
kernellinefound = True
kernelline = line.strip()
if not re.search("\s+nousb\s*", kernelline):
changed = True
kernelline = re.sub("\"$", " nousb\"",
kernelline)
if not re.search(
"\s+usbcore\.authorized_default=0\s+",
kernelline):
changed = True
kernelline = re.sub(
"\"$", " usbcore.authorized_default=0\"",
kernelline)
tempstring += kernelline + "\n"
else:
tempstring += line
if not kernellinefound:
changed = False
self.detailedresults += "The grub file doesn't contain kernel line\n" + \
"Unable to fully implement fixes in this rule\n"
success = False
if changed:
tmpfile = grub + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": grub}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
grub, tmpfile, myid)
os.rename(tmpfile, grub)
if not setPerms(grub, self.grubperms, self.logger):
success = False
self.detailedresults += "Unable to set permissions on " + \
grub + " file\n"
else:
success = False
if not grubfilefound:
self.detailedresults += "No grub configuration file found\n" + \
"Unable to fully fix system for this rule\n"
success = False
blacklistf = "/etc/modprobe.d/stonix-blacklist.conf"
tempstring = ""
# Check if self.blacklist still contains values, if it
# does, then we didn't find all the blacklist values
# in report
if self.blacklist:
# didn't find one or more directives in the files
# inside modprobe.d so we now check an alternate file
# we create stonixblacklist file if it doesn't
# exist and put remaining unfound blacklist
# items there
if not os.path.exists(blacklistf):
created1 = True
createFile(blacklistf, self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": blacklistf}
self.statechglogger.recordchgevent(myid, event)
# file was already present and we need contents already
# inside file to remain in newly written file
if not created1:
contents = readFile(blacklistf, self.logger)
for item in contents:
tempstring += item
for item in self.blacklist:
tempstring += item + "\n"
tmpfile = blacklistf + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": blacklistf}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(blacklistf, tmpfile, myid)
os.rename(tmpfile, blacklistf)
os.chown(blacklistf, 0, 0)
os.chmod(blacklistf, 420)
resetsecon(blacklistf)
if not checkPerms(blacklistf, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(blacklistf, [0, 0, 420], self.logger,
self.statechglogger, myid):
success = False
if self.ph.manager == "apt-get":
cmd = ["/usr/sbin/update-initramfs", "-u"]
if not self.ch.executeCommand(cmd):
success = False
self.detailedresults += "Unable to run update-initramfs command\n"
for item in self.pcmcialist:
if self.ph.check(item):
self.ph.remove(item)
self.pkgremovedlist.append(item)
if not os.path.exists(self.udevfile):
if not createFile(self.udevfile, self.logger):
self.detailedresults += "Unable to create " + \
self.udevfile + " file\n"
success = False
else:
created2 = True
if os.path.exists(self.udevfile):
if not checkPerms(self.udevfile, [0, 0, 0o644], self.logger):
if created2:
if not setPerms(self.udevfile, [0, 0, 0o644], self.logger):
success = False
self.detailedresults += "Unable to set " + \
"permissions on " + self.udevfile + "\n"
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.udevfile, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
self.detailedresults += "Unable to set " + \
"permissions on " + self.udevfile + "\n"
found = False
contents = readFile(self.udevfile, self.logger)
tempstring = ""
for line in contents:
if re.search(
"ACTION==\"add\"\, SUBSYSTEMS==\"usb\"\, RUN+=\"/bin/sh -c \'for host in /sys/bus/usb/devices/usb\*\; do echo 0 > \$host/authorized_default; done\'\"",
line.strip()):
found = True
tempstring += line
if not found:
tempstring += "ACTION==\"add\", SUBSYSTEMS==\"usb\", RUN+=\"/bin/sh -c \'for host in /sys/bus/usb/devices/usb*; do echo 0 > $host/authorized_default; done\'\""
tmpfile = self.udevfile + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
if not created2:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {
"eventtype": "conf",
"filepath": self.udevfile
}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
self.udevfile, tmpfile, myid)
os.rename(tmpfile, self.udevfile)
os.chown(self.udevfile, 0, 0)
os.chmod(self.udevfile, 0o644)
resetsecon(self.udevfile)
else:
success = False
self.detailedresults += "Unable to write changes " + \
"to " + self.udevfile + "\n"
return success
def fix(self):
try:
if not self.ci.getcurrvalue():
return
success = True
# Clean out old undo events
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
self.detailedresults = ""
if not os.path.exists(self.path):
createFile(self.path, self.logger)
self.created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": self.path}
self.statechglogger.recordchgevent(myid, event)
self.editor = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.path, self.tmppath,
self.data1, "present", "space")
self.editor.report()
tempstring = ""
tmpfile = self.path + ".tmp"
contents = readFile(self.path, self.logger)
changes = False
for line in contents:
found = False
if re.match('^#', line) or re.match(r'^\s*$', line):
tempstring += line
continue
if re.search("^option", line):
temp = line.split()
if len(temp) >= 2:
for item in self.data2:
if re.search(item, temp[1]):
found = True
changes = True
break
if found:
continue
else:
tempstring += line
else:
tempstring += line
if changes:
debug = "Writing changes to " + tmpfile
self.logger.log(LogPriority.DEBUG, debug)
if not writeFile(tmpfile, tempstring, self.logger):
debug = "Unable to write changes to " + tmpfile
self.detailedresults += debug
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.path}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
self.path, tmpfile, myid)
os.rename(tmpfile, self.path)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
setPerms(self.path, [0, 0, 0o644], self.logger,
self.statechglogger, myid)
resetsecon(self.path)
if self.editor.fixables:
if not self.created:
if not checkPerms(self.path, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.path, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor.setEventID(myid)
if self.editor.fix():
if self.editor.commit():
debug = self.path + "'s contents have been " + \
"corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
os.chown(self.path, 0, 0)
os.chmod(self.path, 0o644)
resetsecon(self.path)
else:
debug = "kveditor commit not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
else:
debug = "kveditor fix not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.rulesuccess = success
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 fix(self):
'''The report method examines the current configuration and determines
whether or not it is correct. If the config is correct then the
self.compliant, self.detailedresults and self.currstate properties are
updated to reflect the system status. self.rulesuccess will be updated
if the rule does not succeed.
:returns: self.rulesuccess
:rtype: bool
@author bgonz12
'''
try:
self.iditerator = 0
self.detailedresults = ""
if not self.ci.getcurrvalue():
return
success = True
if not os.path.exists(self.securettypath):
if not createFile(self.securettypath, self.logger):
success = False
self.detailedresults += "Unable to create " + \
self.securettypath + "\n"
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.securettypath}
self.statechglogger.recordchgevent(myid, event)
if not setPerms(self.securettypath, [0, 0, 0o600], self.logger):
success = False
self.detailedresults += "Unable to correct permissions on " + \
self.securettypath + "\n"
elif not self.isblank:
tempfile = self.securettypath + ".tmp"
if not checkPerms(self.securettypath, [0, 0, 0o600], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.securettypath, [0, 0, 0o600], self.logger,
self.statechglogger, myid):
success = False
self.detailedresults += "Unable to correct permissions on " + \
self.securettypath + "\n"
if not writeFile(tempfile, "", self.logger):
success = False
self.detailedresults += "Unable to write blank contents " + \
"to " + self.securettypath + "\n"
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf",
"filepath": self.securettypath}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.securettypath, tempfile, myid)
os.rename(tempfile, self.securettypath)
os.chmod(self.securettypath, 0o600)
os.chown(self.securettypath, 0, 0)
resetsecon(self.securettypath)
else:
if not checkPerms(self.securettypath, [0, 0, 0o600], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.securettypath, [0, 0, 0o600], self.logger,
self.statechglogger, myid):
success = False
self.detailedresults += "Unable to correct permissions on " + \
self.securettypath + "\n"
self.rulesuccess = success
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 fix(self):
try:
if not self.ci.getcurrvalue():
self.detailedresults += "CI not enabled\n"
else:
success = True
self.detailedresults = ""
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if not os.path.exists(self.path1):
createFile(self.path1, self.logger)
self.created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.path1}
self.statechglogger.recordchgevent(myid, event)
self.tmppath = self.path1 + ".tmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.path1, self.tmppath,
self.data1, "present",
"closedeq")
self.editor1.report()
self.editor2 = KVEditorStonix(self.statechglogger, self.logger,
"conf", self.path1, self.tmppath,
self.data2, "present", "space")
self.editor2.report()
if self.editor1.fixables or self.editor2.fixables:
if self.editor1.fix():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor1.setEventID(myid)
if self.editor1.commit():
debug = self.path1 + "'s contents have been " + \
"corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
resetsecon(self.path1)
else:
debug = "kveditor commit not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.detailedresults += self.path1 + \
" properties could not be set\n"
else:
debug = "kveditor fix not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.detailedresults += self.path1 + \
" properties could not be set\n"
if self.editor2.fix():
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor2.setEventID(myid)
if self.editor2.commit():
debug = self.path1 + "'s contents have been " + \
"corrected\n"
self.logger.log(LogPriority.DEBUG, debug)
resetsecon(self.path1)
else:
debug = "kveditor commit not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.detailedresults += self.path1 + \
" properties could not be set\n"
else:
debug = "kveditor fix not successful\n"
self.logger.log(LogPriority.DEBUG, debug)
success = False
self.detailedresults += self.path1 + \
" properties could not be set\n"
if not checkPerms(self.path1, [0, 0, 0o755], self.logger) and \
not checkPerms(self.path1, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.path1, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
self.detailedresults += "Could not set permissions " + \
"for " + self.path1 + "\n"
if not os.path.exists(self.path2):
createFile(self.path2, self.logger)
self.created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": self.path2}
self.statechglogger.recordchgevent(myid, event)
writeFile(self.path2, self.cshData, self.logger)
if not checkPerms(self.path2, [0, 0, 0o755], self.logger) and \
not checkPerms(self.path2, [0, 0, 0o644], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.path2, [0, 0, 0o644],
self.logger, self.statechglogger, myid):
success = False
self.detailedresults += "Could not set permissions " + \
"for " + self.path2 + "\n"
self.rulesuccess = success
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 fix(self):
try:
if not self.ci.getcurrvalue():
return
success = True
path = self.path
tmppath = path + ".tmp"
prelinkCache = "/etc/prelink.cache"
self.detailedresults = ""
self.iditerator = 0
eventlist = self.statechglogger.findrulechanges(self.rulenumber)
for event in eventlist:
self.statechglogger.deleteentry(event)
if not os.path.exists(path):
if createFile(path, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": path}
self.statechglogger.recordchgevent(myid, event)
else:
success = False
self.detailedresults += "Failed to create file: " + \
path + "\n"
if writeFile(tmppath, "PRELINKING=no", self.logger):
os.rename(tmppath, path)
resetsecon(path)
else:
success = False
self.detailedresults += "Failed to write settings " + \
"to file: " + path + "\n"
elif not self.editor.report():
if self.editor.fix():
if self.editor.commit():
self.detailedresults += "Changes successfully " + \
"committed to " + path + "\n"
else:
success = False
self.detailedresults += "Changes could not be " + \
"committed to " + path + "\n"
else:
success = False
self.detailedresults += "Could not fix file " + path + "\n"
# Although the guidance and documentation recommends using "prelink
# -ua" command, testing has shown this command to be completely
# unreliable. Instead, the prelink cache will be removed entirely.
if os.path.exists(prelinkCache):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.statechglogger.recordfiledelete(prelinkCache, myid)
os.remove(prelinkCache)
self.rulesuccess = success
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 fix(self):
'''will check if the shadow, passwd, or group file is present and
if so remove the plus(+) account located in the file
'''
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)
for path in self.badfiles:
path = path.strip()
if os.path.exists(path):
tempstring = ""
contents = readFile(path, self.logger)
if not contents:
continue
for line in contents:
if not re.search('^\+', line.strip()):
tempstring += line
if path == "/etc/master.passwd":
if not checkPerms(path, [0, 0, 384], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
setPerms(path, [0, 0, 384], self.logger,
self.statechglogger, myid)
elif path == "/etc/shadow":
#put in code to handle apt-get systems /etc/shadow file later
#for this file, the owner is root, but the group is shadow
#by default this group is 42 but may not always be that
if self.ph.manager == "apt-get":
retval = getUserGroupName("/etc/shadow")
if retval[0] != "root" or retval[1] != "shadow":
uid = pwd.getpwnam("root").pw_uid
gid = grp.getgrnam("shadow").gr_gid
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
setPerms(path, [uid, gid, 420], self.logger,
self.statechglogger, myid)
else:
if not checkPerms(path, [0, 0, 256], self.logger) and \
not checkPerms(path, [0, 0, 0], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
setPerms(path, [0, 0, 256], self.logger,
self.statechglogger, myid)
else:
if not checkPerms(path, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
setPerms(path, [0, 0, 420], self.logger,
self.statechglogger, myid)
tmpfile = path + ".tmp"
if not writeFile(tmpfile, tempstring, self.logger):
self.rulesuccess = False
return
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': path}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(path, tmpfile, myid)
os.rename(tmpfile, path)
if path == "/etc/master.passwd":
os.chown(path, 0, 0)
os.chmod(path, 384)
elif path == "/etc/shadow":
if self.ph.manager == "apt-get":
os.chown(path, uid, gid)
os.chmod(path, 420)
else:
os.chown(path, 0, 0)
os.chmod(path, 256)
else:
os.chmod(path, 420)
resetsecon(path)
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 fixOtherSys(self):
"""
:return: success
:rtype: bool
"""
success = True
if not checkPerms(self.tftpFile, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.tftpFile, [0, 0, 420], self.logger,
self.statechglogger, myid):
self.detailedresults += "Unable to set " + \
"permissions on " + self.tftpFile + "\n"
success = False
try:
contents2 = []
contents = readFile(self.tftpFile, self.logger)
found = False
tempstring = ""
i = 0
tftplinefound = False
for line in contents:
if re.search("service tftp", line.strip()):
tempstring += line
tftplinefound = True
contents2 = contents[i + 1:]
break
else:
tempstring += line
i += 1
if not tftplinefound:
self.detailedresults += "tftp file doesn't contain " + \
"\"service tftp\" line. Stonix will not attempt to " + \
"fix this. This will require a manual fix\n"
return False
if contents2:
if contents2[0].strip() == "{":
tempstring += contents2[0]
del (contents2[0])
if contents2:
for line in contents2:
if re.search("server_args", line):
found = True
if re.search("=", line):
tmp = line.split("=")
val = re.sub("/s+", " ", tmp[1].strip())
if re.search("-s", val) or re.search(
"--secure", val):
if not re.search(
"-s /var/lib/tftpboot", val
) and not re.search(
"--secure /var/lib/tftpboot",
val):
val = re.sub(
"-s\s{0,1}/{0,1}.*\s{0,1}",
"-s /var/lib/tftpboot", tmp[1])
tempstring += "\tserver_args \t\t= " + val + "\n"
else:
tempstring += line
else:
tempstring += line + " -s /var/lib/tftpboot\n"
else:
tempstring += "\tserver_args\t\t= -s /var/lib/tftpboot\n"
elif re.search("}", line.strip()):
if not found:
tempstring += "\tserver_args\t\t= -s /var/lib/tftpboot\n"
tempstring += "}"
break
else:
tempstring = ""
break
else:
tempstring += line
except IndexError:
self.detailedresults += "The tftp file is in bad format\n " + \
"Will not attempt to correct this file. Exiting\n"
return False
if not tempstring:
return True
tmpfile = self.tftpFile + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.tftpFile}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(self.tftpFile, tmpfile, myid)
os.rename(tmpfile, self.tftpFile)
os.chown(self.tftpFile, 0, 0)
os.chmod(self.tftpFile, 420)
resetsecon(self.tftpFile)
else:
self.detailedresults += "Unable to write new contents " + \
"to " + self.tftpFile + " file.\n"
success = False
return success
def fix(self):
'''The fix method will apply the required settings to the system.
self.rulesuccess will be updated if the rule does not succeed.
@author bemalmbe
'''
try:
if not self.ci.getcurrvalue():
return
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 os.path.exists(self.grp):
if not self.wheel:
ch = CommandHelper(self.logger)
if self.ph.manager == "apt-get":
cmd = ["/usr/sbin/groupadd", "sudo"]
else:
cmd = ["/usr/sbin/groupadd", "wheel"]
ch.executeCommand(cmd)
if ch.getReturnCode() != 0:
debug += "unable to create the wheel group, \
unable to continue with the rest of the rule\n"
self.logger.log(LogPriority.DEBUG, debug)
return False
else:
if not checkPerms(self.grp, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.grp, [0, 0, 420], self.logger,
self.statechglogger, myid):
success = False
else:
self.detailedresults += "/etc/group file doesn\'t exist! \
Stonix will not attempt to create this file and will skip to next stage \
of the fix method\n"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
success = False
if not self.pamwheel:
if os.path.exists(self.pam):
if not checkPerms(self.pam, [0, 0, 420], self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(self.pam, [0, 0, 420], self.logger,
self.statechglogger, myid):
success = False
tempstring = ""
contents = readFile(self.pam, self.logger)
for line in contents:
if re.search("pam_wheel.so", line):
continue
else:
tempstring += line
if self.ph.manager == "apt-get":
tempstring += "auth required " + \
"pam_wheel.so group=sudo\n"
else:
tempstring += "auth required " + \
"pam_wheel.so use_uid\n"
tmpfile = self.pam + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": self.pam}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
self.pam, tmpfile, myid)
os.rename(tmpfile, self.pam)
os.chown(self.pam, 0, 0)
os.chmod(self.pam, 420)
resetsecon(self.pam)
else:
success = False
self.rulessuccess = success
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 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 fix(self):
'''DisableWeakAuthentication.fix() Public method to fix any issues
that were found in the report method.
@author: dwalker
:returns: bool - False if the method died during execution
'''
try:
self.detailedresults = ""
if not self.ci.getcurrvalue():
return
success = True
for item in self.rsh:
if self.helper.check(item):
if not self.helper.remove(item):
success = False
if self.incorrects:
for item in self.incorrects:
tempstring = ""
contents = readFile(item, self.logger)
if not contents:
continue
for line in contents:
if re.match('^#', line) or re.match(r'^\s*$', line):
tempstring += line
elif re.search("pam_rhosts", line):
continue
else:
tempstring += line
if not checkPerms(item, [0, 0, 420], self.logger):
if not setPerms(item, [0, 0, 420], self.logger):
success = False
tmpfile = item + ".tmp"
if writeFile(tmpfile, tempstring, self.logger):
os.rename(tmpfile, item)
os.chown(item, 0, 0)
os.chmod(item, 420)
resetsecon(item)
else:
success = False
for item in self.pams:
if os.path.exists(item):
if not checkPerms(item, [0, 0, 420], self.logger):
if not setPerms(item, [0, 0, 420], self.logger):
success = False
if os.path.exists("/etc/pam.d/"):
fileItems = glob.glob("/etc/pam.d/*")
for item in fileItems:
if not checkPerms(item, [0, 0, 420], self.logger):
if not setPerms(item, [0, 0, 420], self.logger):
success = False
return success
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 fixLinux(self):
universal = "#The following lines were added by stonix\n"
debug = ""
success = True
ifacefile = ""
netwrkfile = ""
sysctl = "/etc/sysctl.conf"
interface = {"IPV6_AUTOCONF": "no"}
interface2 = {"IPV6_PRIVACY": "rfc3041"}
# "IPV6_DEFAULTGW": self.gateway,
# "IPV6ADDR":self.ipaddr}
if self.ph.manager == "yum":
ifacefile = "/etc/sysconfig/network-scripts/"
netwrkfile = "/etc/sysconfig/network"
elif self.ph.manager == "zypper":
ifacefile = "/etc/sysconfig/network/"
created = False
# fix sysctl / tuning kernel parameters
# manually write key value pairs to /etc/sysctl.conf
if not os.path.exists(sysctl):
if createFile(sysctl, self.logger):
created = True
setPerms(sysctl, [0, 0, 0o644], self.logger)
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": sysctl}
self.statechglogger.recordchgevent(myid, event)
else:
self.detailedresults += "Could not create file " + sysctl + \
"\n"
success = False
if os.path.exists(sysctl):
if not checkPerms(sysctl, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(sysctl, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
tmpfile = sysctl + ".tmp"
self.editor1 = KVEditorStonix(self.statechglogger, self.logger,
"conf", sysctl, tmpfile, self.sysctls,
"present", "openeq")
if not self.editor1.report():
if self.editor1.fixables:
# If we did not create the file, set an event ID for the
# KVEditor's undo event to record the file write
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor1.setEventID(myid)
if not self.editor1.fix():
success = False
debug = "Unable to complete kveditor fix method" + \
"for /etc/sysctl.conf file\n"
self.logger.log(LogPriority.DEBUG, debug)
elif not self.editor1.commit():
success = False
debug = "Unable to complete kveditor commit " + \
"method for /etc/sysctl.conf file\n"
self.logger.log(LogPriority.DEBUG, debug)
# permissions on file are incorrect
if not checkPerms(sysctl, [0, 0, 0o644], self.logger):
if not setPerms(sysctl, [0, 0, 0o644], self.logger):
self.detailedresults += "Could not set permissions on " + \
sysctl + "\n"
success = False
resetsecon(sysctl)
# here we also check the output of the sysctl command for each key
# to cover all bases
for key in self.sysctls:
if self.ch.executeCommand("/sbin/sysctl " + key):
output = self.ch.getOutputString().strip()
errmsg = output + self.ch.getErrorString()
if re.search("unknown key", errmsg):
continue
if not re.search(self.sysctls[key] + "$", output):
undovalue = output[-1]
self.ch.executeCommand("/sbin/sysctl -q -e -w " + key + "=" + self.sysctls[key])
retcode = self.ch.getReturnCode()
if retcode != 0:
success = False
self.detailedresults += "Failed to set " + key + " = " + self.sysctls[key] + "\n"
errmsg = self.ch.getErrorString()
self.logger.log(LogPriority.DEBUG, errmsg)
else:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
command = "/sbin/sysctl -q -e -w " + key + "=" + undovalue
event = {"eventtype": "commandstring",
"command": command}
self.statechglogger.recordchgevent(myid, event)
else:
self.detailedresults += "Unable to get value for " + key + "\n"
success = False
# at the end do a print and ignore any key errors to ensure
# the new values are read into the kernel
self.ch.executeCommand("/sbin/sysctl -q -e -p")
retcode2 = self.ch.getReturnCode()
if retcode2 != 0:
success = False
self.detailedresults += "Failed to load new sysctl configuration from config file\n"
errmsg2 = self.ch.getErrorString()
self.logger.log(LogPriority.DEBUG, errmsg2)
# correct the network file if it exists
if netwrkfile:
created = False
if not os.path.exists(netwrkfile):
if not createFile(netwrkfile, self.logger):
success = False
debug = "Unable to create " + netwrkfile + " file\n"
self.logger.log(LogPriority.DEBUG, debug)
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation",
"filepath": netwrkfile}
self.statechglogger.recordchgevent(myid, event)
tmpfile = netwrkfile + ".tmp"
self.editor2 = KVEditorStonix(self.statechglogger, self.logger,
"conf", netwrkfile, tmpfile,
self.interface1, "present", "closedeq")
self.editor2.report()
if os.path.exists(netwrkfile):
if not checkPerms(netwrkfile, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(netwrkfile, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
if self.editor2:
if self.editor2.fixables:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
self.editor2.setEventID(myid)
if not self.editor2.fix():
success = False
elif not self.editor2.commit():
success = False
os.chown(netwrkfile, 0, 0)
os.chmod(netwrkfile, 0o644)
resetsecon(netwrkfile)
if ifacefile:
if os.path.exists(ifacefile):
dirs = glob.glob(ifacefile + "*")
if dirs:
for loc in dirs:
interface2 = {"IPV6_PRIVACY": "rfc3041"}
# "IPV6_DEFAULTGW": self.gateway,
# "IPV6ADDR":self.ipaddr}
interface3 = {"IPV6_PRIVACY": "rfc3041"}
# "IPV6_DEFAULTGW": self.gateway,
# "IPV6ADDR":self.ipaddr}
found = False
tempstring = ""
if re.search('^' + ifacefile + 'ifcfg', loc):
filename = loc
tmpfile = filename + ".tmp"
contents = readFile(filename, self.logger)
if not checkPerms(filename, [0, 0, 0o644],
self.logger):
self.iditerator += 1
myid = iterate(self.iditerator,
self.rulenumber)
if not setPerms(filename, [0, 0, 0o644],
self.logger,
self.statechglogger, myid):
return False
for key in interface2:
found = False
for line in contents:
if re.search("^#", line) or \
re.match("^\s*$", line):
continue
if re.search("^" + key, line):
if re.search("=", line):
temp = line.split("=")
if temp[1].strip() == \
interface2[key]:
if found:
continue
found = True
else:
contents.remove(line)
if found:
del interface3[key]
for line in contents:
tempstring += line
tempstring += universal
for key in interface3:
tempstring += key + "=" + interface3[key] + \
"\n"
if not writeFile(tmpfile, tempstring, self.logger):
return False
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {'eventtype': 'conf',
'filepath': filename}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(filename,
tmpfile, myid)
os.rename(tmpfile, filename)
os.chown(filename, 0, 0)
os.chmod(filename, 0o644)
resetsecon(filename)
elif not os.path.exists(ifacefile) and ifacefile != "":
# will not attempt to create the interface files
self.detailedresults += "Interface directory which holds interface \
files, doesn't exist. Stonix will not attempt to make this \
directory or the files contained therein."
success = False
return success
def fix_security_limits(self):
'''ensure the limits.conf file contains the configuration
setting * hard core 0
:returns: succcess
:rtype: bool
@author: ???
'''
success = True
path1 = "/etc/security/limits.conf"
lookfor1 = "(^\*)\s+hard\s+core\s+0?"
created = False
if not os.path.exists(path1):
if not createFile(path1, self.logger):
success = False
self.detailedresults += "Unable to create " + path1 + " file\n"
else:
created = True
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "creation", "filepath": "path1"}
self.statechglogger.recordchgevent(myid, event)
if os.path.exists(path1):
if not checkPerms(path1, [0, 0, 0o644], self.logger):
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
if not setPerms(path1, [0, 0, 0o644], self.logger,
self.statechglogger, myid):
success = False
self.detailedresults += "Unable to correct permissions on " + path1 + "\n"
contents = readFile(path1, self.logger)
found = False
tempstring = ""
if contents:
for line in contents:
if re.search(lookfor1, line.strip()):
found = True
else:
tempstring += line
else:
found = False
if not found:
tempstring += "* hard core 0\n"
tempfile = path1 + ".stonixtmp"
if not writeFile(tempfile, tempstring, self.logger):
success = False
self.detailedresults += "Unable to write contents to " + path1 + "\n"
else:
if not created:
self.iditerator += 1
myid = iterate(self.iditerator, self.rulenumber)
event = {"eventtype": "conf", "filepath": path1}
self.statechglogger.recordchgevent(myid, event)
self.statechglogger.recordfilechange(
path1, tempfile, myid)
os.rename(tempfile, path1)
setPerms(path1, [0, 0, 0o644], self.logger)
resetsecon(path1)
return success
def fixOther(self):
config = ""
success = True
permswrong = False
debug = ""
if not os.path.exists(self.shadow):
debug += "shadow or master.passwd file not present, \
cannot perform fix"
self.logger.log(LogPriority.DEBUG, debug)
return False
statdata = os.stat(self.shadow)
owner = statdata.st_uid
group = statdata.st_gid
mode = stat.S_IMODE(statdata.st_mode)
if not checkPerms(self.shadow, [0, 0, 256], self.logger) or \
not checkPerms(self.shadow, [0, 0, 0], self.logger):
permswrong = True
if not setPerms(self.shadow, [0, 0, 256], self.logger):
success = False
contents = readFile(self.shadow, self.logger)
if not contents:
return False
if self.empty:
try:
for line in contents:
for user in self.empty:
if re.search(":", line):
temp = line.split(':')
if temp[0] == user:
tempstring = ""
if temp[1].strip() == "":
temp[1] = "!"
tempstring = ":".join(temp)
config += tempstring
break
else:
config += line
else:
config += line
continue
except IndexError:
raise
except Exception:
self.detailedresults += traceback.format_exc() + "\n"
self.detailedresults += "Index out of range\n, stonix will \
not continue to complete fix"
self.logger.log(LogPriority.DEBUG, self.detailedresults)
return False
tempfile = self.shadow + ".tmp"
if not writeFile(tempfile, config, self.logger):
success = False
os.rename(tempfile, self.shadow)
if permswrong:
os.chown(self.shadow, 0, 0)
os.chmod(self.shadow, 256)
else:
os.chown(self.shadow, owner, group)
os.chmod(self.shadow, mode)
return success
