Class: Yast::AuditLafClass
- Inherits:
-
Module
- Object
- Module
- Yast::AuditLafClass
- Defined in:
- ../../src/modules/AuditLaf.rb
Instance Method Summary (collapse)
-
- (Object) Abort
Returns a confirmation popup dialog whether user wants to really abort.
- - (Object) AuditStatus
-
- (Hash) AutoPackages
Return packages needed to be installed and removed during Autoinstallation to insure module has all needed software installed.
- - (Object) CheckAuditdStatus
-
- (Object) CheckInstalledPackages
Check whether package 'audit' is installed and install it if user agrees.
-
- (Hash) Export
Dump the auditd settings and the rules to a single map (For use by autoinstallation.).
-
- (Object) GetAuditdOption(key)
Get value of given option from SEETINGS.
- - (Object) GetConfigFile
- - (Object) GetInitialRules
-
- (Object) GetRules
Get the current rules.
-
- (Object) GetRulesFile
Return rules file path.
-
- (Object) GetWatches
Testing only.
-
- (Boolean) Import(settings)
Get all audit settings from the first parameter (For use by autoinstallation.).
- - (Object) main
-
- (Object) Modified
Data was modified?.
-
- (Object) Overview
Create an overview table with all configured cards.
-
- (Boolean) PollAbort
Checks whether an Abort button has been pressed.
- - (Object) ProposalValid
-
- (Object) Read
Read all auditd settings.
-
- (Object) ReadAuditdSettings
Read settings from auditd.conf.
-
- (Object) ReadAuditRules
Read rules from audit.rules.
- - (Object) RulesAlreadyLocked
- - (Object) RulesChanged
- - (Object) RulesLocked
-
- (Object) SetAuditdOption(key, value)
Set option to given value in SETTINGS.
-
- (Object) SetDataModified
Set data modified only if really has changed.
-
- (Object) SetModified(value)
Mark as modified, for Autoyast.
- - (Object) SetProposalValid(value)
-
- (Object) SetRules(rules)
Set rules.
- - (Object) SetRulesChanged(value)
- - (Object) SetRulesLocked(value)
-
- (Object) SetWriteOnly(value)
Set write_only flag (for autoinstalation).
-
- (Object) Summary
Create a textual summary and a list of unconfigured cards.
-
- (Object) Write
Write all auditd settings.
-
- (Object) WriteAuditdSettings
Write settings to auditd.conf.
-
- (Object) WriteAuditRules
Write rules to audit.rules.
-
- (Object) WriteOnly
True if module is marked as “write only” (don't start services etc…).
Instance Method Details
- (Object) Abort
Returns a confirmation popup dialog whether user wants to really abort.
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# File '../../src/modules/AuditLaf.rb', line 190 def Abort Popup.ReallyAbort(Modified()) end |
- (Object) AuditStatus
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# File '../../src/modules/AuditLaf.rb', line 222 def AuditStatus output = Convert.to_map( SCR.Execute(path(".target.bash_output"), "LANG=POSIX auditctl -s") ) Builtins.y2milestone("auditctl: %1", output) audit_status = Ops.get_string(output, "stdout", "") if Builtins.regexpmatch(audit_status, "^.*enabled=2.*") return _("The rules for auditctl are locked.") elsif Builtins.regexpmatch(audit_status, "^.*enabled=1.*") return _("Auditing enabled") else return _("Auditing disabled") end end |
- (Hash) AutoPackages
Return packages needed to be installed and removed during Autoinstallation to insure module has all needed software installed.
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# File '../../src/modules/AuditLaf.rb', line 725 def AutoPackages { "install" => ["audit"], "remove" => [] } end |
- (Object) CheckAuditdStatus
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# File '../../src/modules/AuditLaf.rb', line 352 def CheckAuditdStatus auditd_active = Service.active?("auditd") if !auditd_active Report.Error( _( "Cannot start the audit daemon.\n" + "Please check /var/log/messages for auditd errors.\n" + "You can use the module 'System Log' from group\n" + "'Miscellaneous' in YaST Control Center." ) ) return false else return true end end |
- (Object) CheckInstalledPackages
Check whether package 'audit' is installed and install it if user agrees
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# File '../../src/modules/AuditLaf.rb', line 309 def CheckInstalledPackages ret = false # skip it during initial and second stage or when create AY profile return true if Stage.cont || Stage.initial || Mode.config Builtins.y2milestone("Check whether package 'audit' is installed") if !Package.InstallMsg( "audit", _( "<p>To continue the configuration of Linux Auditing, the package <b>%1</b> must be installed.</p>" ) + _("<p>Install it now?</p>") ) Popup.Error(Message.CannotContinueWithoutPackagesInstalled) else ret = true end ret end |
- (Hash) Export
Dump the auditd settings and the rules to a single map (For use by autoinstallation.)
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# File '../../src/modules/AuditLaf.rb', line 693 def Export { "auditd" => @SETTINGS, "rules" => @RULES } end |
- (Object) GetAuditdOption(key)
Get value of given option from SEETINGS
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# File '../../src/modules/AuditLaf.rb', line 251 def GetAuditdOption(key) Ops.get(@SETTINGS, key, Ops.get(@DEFAULT_CONFIG, key, "")) end |
- (Object) GetConfigFile
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# File '../../src/modules/AuditLaf.rb', line 139 def GetConfigFile @config_file end |
- (Object) GetInitialRules
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# File '../../src/modules/AuditLaf.rb', line 273 def GetInitialRules @INITIAL_RULES end |
- (Object) GetRules
Get the current rules
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# File '../../src/modules/AuditLaf.rb', line 269 def GetRules @RULES end |
- (Object) GetRulesFile
Return rules file path
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# File '../../src/modules/AuditLaf.rb', line 135 def GetRulesFile @rules_file end |
- (Object) GetWatches
Testing only
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# File '../../src/modules/AuditLaf.rb', line 144 def GetWatches [ "exit,always watch=/etc/passwd perm=rwx", "entry,always watch=/etc/sysconfig/yast2 perm=rwx" ] end |
- (Boolean) Import(settings)
Get all audit settings from the first parameter (For use by autoinstallation.)
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# File '../../src/modules/AuditLaf.rb', line 675 def Import(settings) settings = deep_copy(settings) @SETTINGS = Convert.convert( Ops.get(settings, "auditd", @DEFAULT_CONFIG), :from => "any", :to => "map <string, string>" ) @RULES = Ops.get_string(settings, "rules", "") SetModified(true) Builtins.y2milestone("Configuration has been imported") true end |
- (Object) main
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# File '../../src/modules/AuditLaf.rb', line 34 def main Yast.import "UI" textdomain "audit-laf" Yast.import "Progress" Yast.import "Report" Yast.import "Summary" Yast.import "Message" Yast.import "Popup" Yast.import "Mode" Yast.import "FileUtils" Yast.import "Service" Yast.import "Stage" Yast.import "Package" # Data was modified? @modified = false @proposal_valid = false # Filename (path) rules file @rules_file = "/etc/audit/audit.rules" # Filename (path) config file @config_file = "/etc/audit/auditd.conf" # Write only, used during autoinstallation. # Don't run services and SuSEconfig, it's all done at one place. @write_only = false # Option "Lock rules" is set (-e 2) @rules_locked = false # The rules have been changed (sent to 'autitctl' to check the syntax) @rules_changed = false # # Settings: Define all variables needed for the configuration of the audit daemon # # map of audit settings (from /etc/audit/auditd.conf) @SETTINGS = {} # default settings for /etc/audit/auditd.conf @DEFAULT_CONFIG = { "log_file" => "/var/log/audit/audit.log", "log_format" => "RAW", "priority_boost" => "3", "flush" => "INCREMENTAL", "freq" => "20", "num_logs" => "4", "dispatcher" => "/sbin/audispd", "disp_qos" => "lossy", "name_format" => "NONE", "max_log_file" => "5", "max_log_file_action" => "ROTATE", "space_left" => "75", "space_left_action" => "SYSLOG", "action_mail_acct" => "root", "admin_space_left" => "50", "admin_space_left_action" => "SUSPEND", "disk_full_action" => "SUSPEND", "disk_error_action" => "SUSPEND" } # Save settings initially read from /etc/audit/auditd.conf to be able # to decide whether changes are made @INITIAL_SETTINGS = {} # Rules for the subsystem audit (passed via auditctl). # Initially read from /etc/audit/audit.rules and edited in # the rules editor. @RULES = "" # Save rules from /etc/audit/audit.rules to be able to restore it @INITIAL_RULES = "" end |
- (Object) Modified
Data was modified?
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# File '../../src/modules/AuditLaf.rb', line 153 def Modified Builtins.y2milestone("modified=%1", @modified) @modified end |
- (Object) Overview
Create an overview table with all configured cards
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# File '../../src/modules/AuditLaf.rb', line 716 def Overview # TODO FIXME: your code here... [] end |
- (Boolean) PollAbort
Checks whether an Abort button has been pressed. If so, calls function to confirm the abort call.
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# File '../../src/modules/AuditLaf.rb', line 198 def PollAbort # Do not check UI when running in CommandLine mode return false if Mode.commandline return Abort() if UI.PollInput == :abort false end |
- (Object) ProposalValid
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# File '../../src/modules/AuditLaf.rb', line 167 def ProposalValid @proposal_valid end |
- (Object) Read
Read all auditd settings
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# File '../../src/modules/AuditLaf.rb', line 372 def Read success = true # AuditLaf read dialog caption caption = _("Initializing Audit Configuration") # Set the right number of stages steps = 4 sl = 500 Builtins.sleep(sl) # We do not set help text here, because it was set outside Progress.New( caption, " ", steps, [ # Progress stage 1/4 _("Check for installed packages"), # Progress stage 2/4 _("Read the configuration of auditd"), # Progress stage 3/4 _("Read the rules file"), # Progress stage 4/4 _("Check status of auditd") ], [ # Progress stage 1/4 _("Checking for packages..."), # Progress step 2/4 _("Reading the configuration..."), # Progress step 3/4 _("Reading the rules file..."), # Progress step 4/4 _("Checking status..."), Message.Finished ], "" ) # read database return false if PollAbort() Progress.NextStage installed = CheckInstalledPackages() return false if !installed Builtins.sleep(sl) return false if PollAbort() Progress.NextStep success = ReadAuditdSettings() # Log the status of the audit system output = Convert.to_map( SCR.Execute(path(".target.bash_output"), "auditctl -s") ) Builtins.y2milestone("auditctl: %1", output) # Report error Report.Error(_("Cannot read auditd.conf.")) if !success Builtins.sleep(sl) # read another database return false if PollAbort() Progress.NextStep success = ReadAuditRules() # Error message Report.Error(_("Cannot read audit.rules.")) if !success Builtins.sleep(sl) # read current settings return false if PollAbort() Progress.NextStage # Error message Report.Error(Message.CannotReadCurrentSettings) if false Builtins.sleep(sl) Progress.NextStage auditd_active = Service.active?("auditd") Builtins.y2milestone("Auditd running: %1", auditd_active) apparmor_active = Service.active?("apparmor") Builtins.y2milestone("Apparmor loaded: %1", apparmor_active) if !auditd_active # question shown in a popup about start of audit daemon start_question = _("Do you want to start it and enable start at boot\n" + "or only start the daemon for now?") = _("The daemon 'auditd' doesn't run.\n") + start_question if apparmor_active # message about loaded kernel module = _( "The 'apparmor' kernel module is loaded.\n" + "The kernel uses a running audit daemon to log audit\n" + "events to /var/log/audit/audit.log (default).\n") + start_question end # Headline of a popup enable = Popup.AnyQuestion3(_("Start of Audit Daemon"), , # label of three buttons belonging to the popup _("Start and &Enable"), _("&Start"), _("&Do not start"), :focus_yes) if enable == :yes || enable == :no success = Service.Start("auditd") Service.Enable("auditd") if enable == :yes if !success go_on = Popup.ContinueCancelHeadline( _("Cannot start the audit daemon."), _( "The rules may be locked.\n" + "Continue to check the rules. You can change\n" + "the 'Enabled Flag', but to activate the change\n" + "a reboot is required afterwards.\n" ) ) if go_on return true else return false end else CheckAuditdStatus() return true end end end return false if PollAbort() @modified = false true end |
- (Object) ReadAuditdSettings
Read settings from auditd.conf
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# File '../../src/modules/AuditLaf.rb', line 332 def ReadAuditdSettings return false if !FileUtils.Exists(@config_file) = SCR.Dir(path(".auditd")) Builtins.y2milestone("List of options: %1", ) # list all options set in auditd.conf Builtins.foreach(SCR.Dir(path(".auditd"))) do |key| # and read the value for each of them val = Convert.to_string(SCR.Read(Builtins.add(path(".auditd"), key))) Ops.set(@SETTINGS, key, val) if val != nil end # additionally save initial settings @INITIAL_SETTINGS = deep_copy(@SETTINGS) Builtins.y2milestone("%1 has been read: %2", @config_file, @SETTINGS) true end |
- (Object) ReadAuditRules
Read rules from audit.rules
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# File '../../src/modules/AuditLaf.rb', line 288 def ReadAuditRules rules = Convert.to_string(SCR.Read(path(".target.string"), @rules_file)) if rules != nil && rules != "" @RULES = rules # additionally save initial rules @INITIAL_RULES = rules return true else return false end end |
- (Object) RulesAlreadyLocked
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# File '../../src/modules/AuditLaf.rb', line 207 def RulesAlreadyLocked output = Convert.to_map( SCR.Execute(path(".target.bash_output"), "LANG=POSIX auditctl -s") ) Builtins.y2milestone("auditctl: %1", output) audit_status = Ops.get_string(output, "stdout", "") if Builtins.regexpmatch(audit_status, "^.*enabled=2.*") return true else return false end end |
- (Object) RulesChanged
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# File '../../src/modules/AuditLaf.rb', line 130 def RulesChanged @rules_changed end |
- (Object) RulesLocked
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# File '../../src/modules/AuditLaf.rb', line 120 def RulesLocked @rules_locked end |
- (Object) SetAuditdOption(key, value)
Set option to given value in SETTINGS
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# File '../../src/modules/AuditLaf.rb', line 257 def SetAuditdOption(key, value) # Don't set empty values (seems that 'auditd' doesn't like it) if value != "" Ops.set(@SETTINGS, key, value) Builtins.y2milestone("Setting %1 to %2", key, value) return true else return false end end |
- (Object) SetDataModified
Set data modified only if really has changed
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# File '../../src/modules/AuditLaf.rb', line 240 def SetDataModified if @INITIAL_SETTINGS != @SETTINGS || @INITIAL_RULES != @RULES @modified = true else @modified = false end nil end |
- (Object) SetModified(value)
Mark as modified, for Autoyast.
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# File '../../src/modules/AuditLaf.rb', line 159 def SetModified(value) @modified = value nil end |
- (Object) SetProposalValid(value)
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# File '../../src/modules/AuditLaf.rb', line 171 def SetProposalValid(value) @proposal_valid = value nil end |
- (Object) SetRules(rules)
Set rules
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# File '../../src/modules/AuditLaf.rb', line 278 def SetRules(rules) if rules != nil && rules != "" @RULES = rules return true else return false end end |
- (Object) SetRulesChanged(value)
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# File '../../src/modules/AuditLaf.rb', line 124 def SetRulesChanged(value) @rules_changed = value nil end |
- (Object) SetRulesLocked(value)
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# File '../../src/modules/AuditLaf.rb', line 114 def SetRulesLocked(value) @rules_locked = value nil end |
- (Object) SetWriteOnly(value)
Set write_only flag (for autoinstalation).
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# File '../../src/modules/AuditLaf.rb', line 183 def SetWriteOnly(value) @write_only = value nil end |
- (Object) Summary
Create a textual summary and a list of unconfigured cards
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# File '../../src/modules/AuditLaf.rb', line 699 def Summary summary = "" summary = Summary.AddLine( summary, Builtins.sformat("%1: %2", _("Log file"), GetAuditdOption("log_file")) ) summary = Summary.AddLine(summary, AuditStatus()) Builtins.y2milestone("Summary: %1", summary) # Configuration summary text for autoyast summary end |
- (Object) Write
Write all auditd settings
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# File '../../src/modules/AuditLaf.rb', line 540 def Write go_on = false ret = true # Auditd read dialog caption caption = _("Saving Audit Configuration") # set the right number of stages steps = 2 sl = 500 Builtins.sleep(sl) # Names of the stages # We do not set help text here, because it was set outside Progress.New( caption, " ", steps, [ # Progress stage 1/2 _("Write the settings"), # Progress stage 2/2 _("Write the rules") ], [ # Progress step 1/2 _("Writing the settings..."), # Progress step 2/2 _("Writing the rules..."), Message.Finished ], "" ) # check first whether rules are already locked locked = RulesAlreadyLocked() Builtins.y2milestone( "Rules already locked: %1", locked ? "true" : "false" ) if locked write_rules = Popup.YesNoHeadline( _("The rules are already locked."), _( "Do you want to change the 'Enabled Flag'?\n" + "If yes, the new rules will be written to /etc/audit/audit.rules.\n" + "Reboot the system afterwards for the change to take effect.\n" ) ) WriteAuditRules() if write_rules # don't try to restart the daemon - daemon will stop return false end # write settings return false if PollAbort() Progress.NextStage write_success = WriteAuditdSettings() if write_success # restart auditd success = Service.Restart("auditd") Builtins.y2milestone("'auditd restart' returned: %1", success) if !success # Error message Report.Error(_("Restart of the audit daemon failed.")) ret = false else go_on = true end else # Error message Report.Error(_("Cannot write settings to auditd.conf.")) ret = false end Builtins.sleep(sl) return false if PollAbort() Progress.NextStage if go_on write_success = WriteAuditRules() # Error message if write_success # call auditctl -R audit.rules Builtins.y2milestone("Calling auditctl -R /etc/audit/audit.rules") output = Convert.to_map( SCR.Execute( path(".target.bash_output"), "auditctl -R /etc/audit/audit.rules" ) ) if Ops.get_integer(output, "exit", 0) != 0 Report.Error( Builtins.sformat( "%1\n%2", Ops.get_string(output, "stderr", ""), # Error message, rules cannot be set _("Start yast2-audit-laf again and check the rules.") ) ) ret = false end else Report.Error(_("Cannot write settings to auditd.rules.")) ret = false end Builtins.sleep(sl) end # Finally check status of auditd (if restart has worked but daemon exited afterwards) ret = false if !CheckAuditdStatus() return false if PollAbort() Builtins.y2milestone("Auditd::Write() returns: %1", ret) ret end |
- (Object) WriteAuditdSettings
Write settings to auditd.conf
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# File '../../src/modules/AuditLaf.rb', line 515 def WriteAuditdSettings ret = true return false if !FileUtils.Exists(@config_file) # write all options to auditd.conf Builtins.foreach(@SETTINGS) do |key, value| # and write each value success = SCR.Write(Builtins.add(path(".auditd"), key), value) ret = false if !success end # This is very important # it flushes the cache, and stores the configuration on the disk SCR.Write(path(".auditd"), nil) if ret Builtins.y2milestone("%1 has been written: %2", @config_file, @SETTINGS) end ret end |
- (Object) WriteAuditRules
Write rules to audit.rules
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# File '../../src/modules/AuditLaf.rb', line 302 def WriteAuditRules success = SCR.Write(path(".target.string"), @rules_file, @RULES) success end |
- (Object) WriteOnly
Returns true if module is marked as “write only” (don't start services etc…)
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# File '../../src/modules/AuditLaf.rb', line 178 def WriteOnly @write_only end |