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Privilege Manager for Unix 6.1.1 - Administration Guide for Unix

One Identity Privileged Access Suite for Unix Introducing Privilege Manager for Unix Planning Deployment Installation and Configuration Upgrade Privilege Manager for Unix System Administration Managing Security Policy The Privilege Manager for Unix Security Policy Advanced Privilege Manager for Unix Configuration Administering Log and Keystroke Files InTrust Plug-in for Privilege Manager Troubleshooting Privilege Manager for Unix Policy File Components Privilege Manager Variables Privilege Manager for Unix Flow Control Statements Privilege Manager for Unix Built-in Functions and Procedures Privilege Manager programs Installation Packages

PM settings variables

This section describes the settings and parameters used by Privilege Manager. These settings are stored on each host in the /etc/opt/quest/qpm4u/pm.settings file which contains a list of settings, one per line, in the form: settingName value1 [value2 [... valuen]]. See Configuration prerequisites to view a sample pm.settings file.

You can modify these policy server configuration settings using the configuration script initialized by the pmsrvconfig command or you can modify the pm.settings file manually. See Configuring the primary policy server for Privilege Manager for Unix for details about running the configuration script.

If you manually change the pm.settings file, restart the pmserviced and/or pmloadcheck daemons in order for the changes to take effect.

The following table describes each of the pm.settings variables:

Defaults may differ depending on the platform you are configuring and whether you are configuring a policy server or PM Agent. Many of these settings will not have a default value.

The variables are not case sensitive.

Table 31: Variables: pm.settings
Variable Data type Description
certificates boolean (YES/NO)

Specifies whether certificates are enabled. To enable configurable certification, add the following statement to the /etc/opt/quest/qpm4u/pm.settings file on each host: certificates yes.

Default: NO

For more information, see Enable configurable certification.

checksumtype string Specifies standard or MD5 checksum types for use with pmsum program.
clients list of hostnames

Identifies hosts for which remote access functions are allowed. Only required if one policy server needs to retrieve remote information from another policy server that does not normally accept requests from it.

For more information, see Central logging with Privilege Manager for Unix.

clientverify string

Identifies the level of host name verification applied by the policy server host to the submit host name. The verification ensures that the incoming IP address resolves (on the primary policy server) to the same host name as presented by the submit host.

Valid values are:

  • none: No verification performed.
  • yes: If a host name is presented for verification by the runclient it will be verified.
  • All: The policy server will only accept a request from a client if the host name is verified.

Default: NONE

encryption string

Identifies the encryption type. You must use the same encryption setting on all hosts in your system.

Valid values are:

  • AES
  • DES
  • TripleDES

Default: AES

eventlogqueue string

Directory used by pmmasterd and pmlogsrvd where event data is temporarily queued prior to being written to the event log database.

Default: /var/opt/quest/qpm4u/evcache

EventQueueFlush integer

Tells pmlogadm how often to reopen the db (in minutes) flushing the data.

Default: 0, in which case pmlogsrvd will keep the db open while the service is running.

EventQueueProcessLimit integer

Specifies the number of cached events that will be processed at a time; this limits the memory use in pmlogadm.

Default: 0, in which case pmlogsrvd will not apply a limit.

facility string Sets the SYSLOG facility name to use when logging a message to the syslog file.

Valid values are:

  • LOG_AUTH
  • LOG_CRON
  • LOG_DAEMON
  • LOG_KERN
  • LOG_LOCAL0 through LOG_LOCAL7
  • LOG_LPR
  • LOG_MAIL
  • LOG_NEWS
  • LOG_USER
  • LOG_UUCP

Default: LOG_AUTH, if the platform defines LOG_AUTH; otherwise the default is 0 (zero).

failovertimeout integer

Sets the timeout in seconds before a connection attempt to a policy server is abandoned and the client fails over to the next policy server in the list.

This setting also affects the timeout for the client and agent.

Default: 10 seconds. If omitted from pm.settings, default is 180 seconds.

failsafecommand string

Sets the command to run in failsafe mode; that is, login pmksh user as root.

fwexternalhosts list Identifies a list of hosts to use a different range of source ports, identified by the openreservedport and opennonreserved port settings.
getpasswordfromrun boolean (YES/NO)

Determines whether authentication is performed on the policy server or the client when a getuserpasswd() or getgrouppasswd() function is called from the policy file. If set to yes, the authentication is performed on the client.

This variable also affects the user information functions: getfullname(), getgroup(), getgroups(), gethome(), and getshell(). If set to yes in the policy server's pm.settings file, these functions retrieve user information from the client host.

Default: NO

handshake boolean (YES/NO)

Enables the encryption negotiation handshake. This allows a policy server to support clients running different levels of encryption.

Default: NO

kerberos boolean (YES/NO)

Enables or disables Kerberos.

Default: NO

For more information, see Configuring Kerberos encryption.

keytab string

Sets the path to the Kerberos keytab file.

Default: /etc/opt/quest/vas/host.keytab

krb5rcache string

Sets the path to the Kerberos cache.

Default: /var/tmp

krbconf string

Sets the path to the Kerberos configuration file.

Default: /etc/opt/quest/vas/vas.conf

libldap string

Specifies the pathname to use for the LDAP library.

No default value.

localport integer

Sets the TCP/IP port to use for pmlocald.

Default: 12346

lprincipal string

Sets the service principal name to use for the agent.

Default: pmlocald

masterport integer

Specifies the TCP/IP port to use for pmmasterd.

Default: 12345

masters list

Identifies a list of policy server hosts to which a client can submit requests for authorization, and from which an agent can accept authorized requests. This can contain host names or netgroups.

No default value.

mprincipal string

Sets the Kerberos service principal name to use for the policy server.

Default: host

nicevalue integer

Sets the execution priority level for Privilege Manager processes.

Default: 0

opennonreserveportrange integer integer

Specifies a range of non-reserved ports to use as source ports when connecting to a host in the fwexternalhosts list.

No default value.

openreserveportrange integer integer

Specifies a range of reserved ports to use as source ports when connecting to a host in the fwexternalhosts list.

No default value.

pmclientdenabled boolean (YES/NO)

Flag that enables the pmclientd daemon.

pmclientdopts string

Sets the options for the pmclientd daemon.

pmlocaldenabled boolean (YES/NO)

Flag that enables the pmlocald daemon.

pmlocaldlog string

Sets the path for the agent error log.

Default: /var/adm/pmlocald.log or /var/log/pmlocald.log depending on the platform.

For more information, see Local logging.

pmlocaldopts string

Sets the options for the pmlocald daemon.

pmloggroup string

Specifies the group ownership for iolog and eventlogs.

Default: pmlog

pmlogsrvlog string Identifies the log used by the pmlogsrvd daemon.
pmmasterdenabled boolean (YES/NO)

Flag that enables the pmmasterd daemon.

Default: YES

pmmasterdlog string

Sets the path for the master error log.

Default: /var/adm/pmmasterd.log or /var/log/pmmasterd.log depending on the platform.

For more information, see Local logging.

pmmasterdopts string

Sets the options for the pmmasterd daemon.

Default: -ar

pmrunlog string

Sets the path for the client error log.

Default: /var/adm/pmrun.log or /var/log/pmrun.log depending on platform.

For more information, see Local logging.

pmservicedlog string

Identifies the log used by the pmserviced daemon.

Default: /var/log/pmserviced.log

pmtunneldenabled boolean (YES/NO)

Flag that enables the pmtunneld daemon.

pmtunneldopts string

Sets the options for the pmtunneld daemon.

policydir string

Sets the directory in which to search for policy files

Default: /etc/opt/quest/qpm4u/policy

policyfile string

Sets the main policy filename.

Default: pm.conf

policymode string

Specifies the type of security policy to use, pmpolicy or Sudo.

Default: sudo

reconnectagent boolean (YES/NO)

Allows backwards compatibility with older agents on a policy server. Settings on policy server and agents must match.

Default: NO

reconnectclient boolean (YES/NO)

Allows backwards compatibility with older clients on a policy server. Settings on policy server and client must match.

Default: NO

selecthostrandom boolean (YES/NO)

Set to yes to attempt connections to the list of policy servers in random order.

Set to no to attempt connections to the list of policy servers in the order listed in pm.settings.

Default: YES

setnonreserveportrange integer integer

Specifies a range of non-reserved ports to use as source ports by the client and agent.

  • Minimum non-reserved port is 1024.
  • Maximum non-reserved port is 31024.

The full range for non-reserved ports is 1024 to 65535.

For more information, see Restricting port numbers for command responses.

setreserveportrange integer integer

Specifies a range of reserved ports to use as source ports by the client when making a connection to the policy server.

  • Minimum reserved port is 600.
  • Maximum reserved port is 1023.

The full range for reserved ports is 600 to 1023.

For more information, see Restricting port numbers for command responses.

setutmp boolean (YES/NO)

Specifies whether pmlocald adds a utmp entry for the request.

Default: YES

shortnames boolean (YES/NO)

Enables or disables short names usage. Setting shortnames to yes allows the use of short (non-fully qualified) host names. If set to no, then the Privilege Manager components will attempt to resolve all host names to a fully qualified host name.

Default: YES

syslog boolean (YES/NO)

Set to yes to send error messages to the syslog file as well as to the Privilege Manager error log.

Default: YES

For more information, see Local logging.

thishost string

Sets the client's host name to use for verification. Specifying a thishost setting causes the Privilege Manager components to bind network requests to the specified host name or IP address. If you set thishost to the underscore character ( _ ), requests bind to the host's primary host name.

No default value.

tunnelport integer

Sets the TCP/IP port to use for the pmtunneld daemon.

Default: 12347

For more information, see Configuring pmtunneld.

tunnelrunhosts list Identifies the hosts on the other side of a firewall.

No default value.

For full details of how to configure your system across a firewall, see Configuring firewalls.

Identifies a list of policy servers that can be identified using the pmrun –m <master> option, but that will not be used when you run a normal pmrun command. This is useful for testing connections to a policy server before bringing it on line.

No default value.

Privilege Manager for Unix Flow Control Statements

You can use the following reserved words to control the flow of logic in the policy file.

Table 32: Control flow reserved words
Statement Description
accept Accept the submitted request.
break Break out of a while or for loop.
continue Skip the rest of the loop body and continue to the next iteration of the loop.
do-while Perform the loop body multiple times until an expression is true, evaluating the expression after running the statement.
for loop c-style for loop.
for loop Perform the loop body for each element in a list.
function Stand-alone subroutine, allowing you to reuse policy.
if-else Used to determine which statement to run next based on whether an expression is true or false.
include Include the named policy file.
procedure / function Stand-alone subroutine, allowing you to reuse policy.
readonly Mark a variable as read-only.
readonlyexcept Mark all variables as read-only except for the specified list.
reject Reject the submitted request.
return Return from a function or procedure.
switch Used to determine which statement to run next based on whether an expression matches one of several values.
Perform the loop body multiple times until an expression is true, evaluating the expression before running the statement.

accept

Syntax
accept;
Description

The accept statement accepts the job request submitted by a user. After a command is accepted, nothing else in the configuration script is run. If neither an accept nor reject statement is reached while parsing the configuration file, the command is rejected by default.

Examples
adminusers = {"dan","robyn"}; 
adminprogs = {"hostname","kill","csh","ksh"}; 
if (user in adminusers && command in adminprogs) 
{ 
   runuser = "root"; 
   if (user == "dan" && !officehours) 
   { 
      printf("You can't use %s outside office hours\n",runcommand); 
      reject; 
   } 

   if (user == "robyn" && !officehours) 
   { 
      if (!getuserpasswd(user)) 
      reject; 
   } 
   accept; 
}

break

Syntax
break;
Description

The break statement exits a loop and terminates cases. Use to force an immediate exit in case statements and looping statements such as for, while, and do-while statements.

Example
for ( oneuser in userlist ) 
{ 
   if (oneuser == "root") 
   { 
      break; 
   } 
   print(oneuser); 
}
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