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Privilege Manager for Unix 7.3 - Administration Guide

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 for Unix Troubleshooting Privilege Manager for Unix Policy File Components Privilege Manager for Unix Variables
Variable names Variable scope Global input variables Global output variables Global event log variables PM settings variables
Privilege Manager for Unix Flow Control Statements Privilege Manager for Unix Built-in Functions and Procedures
Environment functions Hash table functions Input and output functions LDAP functions LDAP API example List functions Miscellaneous functions Password functions Remote access functions String functions User information functions Authentication Services functions
Privilege Manager for Unix programs Installation Packages

exitstatus

Description

Type string READONLY

exitstatus contains the exit status of the runcommand. This variable is not available for use in the policy file. It is logged in the "Finish" event by pmlocald when the session ends.

Example
#Display all sh commands that failed to complete successfully
pmlog -c 'runcommand == "sh" && exitstatus != "Command finished with exit status 0"'
Related Topics

exitdate

exittime

exittime

Description
Type string READONLY

exittime is the time the requested command finished running (HH:MM:SS)

Example
#display all commands that finished after 6pm 
pmlog -c 'exittime > "18:00:00"'
Related Topics

exitstatus

exitdate

PM settings variables

This section describes the settings and parameters used by Privilege Manager for Unix. 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]]. To view a sample pm,.settings file, see Configuration prerequisites.

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. For details about running the configuration script, see Configuring the primary policy server for Privilege Manager for Unix.

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 32: Variables: pm.settings
Variable Data type Description

auditsrvCAbundle

string

The path to a certificate authority bundle file, in PEM format, to use instead of the system's default certificate authority database when doing TLS authentication.

Example:

/etc/ssl/sudo/ca.bundle.pem

auditsrvCert

string

The path to the policy server's certificate file, in PEM format. Used for TLS only.

Example:

/etc/ssl/sudo/qpm_qpmdevel1.cert.pem

auditsrvEnabled

boolean

(YES/NO)

Specifies if audit server logging is on or off.

The default is NO.

For more information, see Audit server logging on

auditsrvEnforced

boolean

(YES/NO)

If YES, the audit server connection failures will be fatal.

If NO, the audit log will be collected encrypted on the file system.and sent again to the server if it comes back.

auditsrvHosts

list of host ports of the audit sever

The host:port of the audit server. Host can be an ipv4/ipv6/hostname. Multiple hosts need to be separated by comma.

Example:

qpmdevel1.qpmdomain:30344,127.0.0.1:30344

auditsrvKeepalive

boolean

(YES/NO)

Select whether keepalive is enabled on the connection.

auditsrvLocaliologs

boolean

(YES/NO)

If YES, old pmlog io logs are also written.

if NO, io logs are only stored by the sudo log server.

auditsrvLogdir

string

If auditsrvEnforced is NO, this is the log directory where audit logs get saved temporarily until they can be sent successfully.

Example:

/var/opt/quest/qpm4u/auditserver

auditsrvPkey

string

The path to the private key of the policy server, in PEM format. Used for TLS only.

Example:

/etc/ssl/sudo/qpm_qpmdevel1.key.pem

auditsrvPSpaceMB

boolean

(YES/NO)

The minimum amount of disk space needed before starting to write an audit trail to the temporary storage. This is to prevent disk space filled up. If the disk space is lower, the policy server will reject the connections, just like if it was in "enforced" mode.

auditsrvTimeout

integer

The connection timeout in seconds. 3 seconds is recommended.

auditsrvTLS

boolean

(YES/NO)

If YES, the communication with all the servers will use TLS. Specifying a key is required in this case.

auditsrvTLSCheckpeer

boolean

(YES/NO)

If YES, client certificates will be validated by the server; clients without a valid certificate will be unable to connect.

If NO, no validation of client certificates will be performed.

If true and client certificates are created using a private certificate authority, the tls_cacert setting must be set to a CA bundle that contains the CA certificate used to generate the client certificate.

The default value is NO.

auditsrvTLSVerify

boolean

(YES/NO)

If YES, the server certificate will be verified at startup and clients will authenticate the server by verifying its certificate and identity.

If NO, no verification is performed of the server certificate by the server or the client. When using self-signed certificates without a certificate uthority, this setting should be set to NO.

The default value is YES.

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 pmlogsrvd 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 pmlogsrvd.

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

logFormat

string

Specifies the format used for syslog and local file logging. The valid values are:

  • CEF for logging in Common Event Format.

  • default for human-readable logs.

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 for Unix 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.

pmloadcheckInterval

integer

Sets the refresh interval (in minutes) to determine how often the pmloadcheck daemon checks the policy server status. To override the interval, use pmloadcheck -e.

The default value is 60.

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 for Unix components will attempt to resolve all host names to a fully qualified host name.

Default: YES

sshKeyTypes

string

Specifies the SSH key types that will be used to access the policy and log files.

Valid values are:

  • rsa

  • ecdsa

  • ed25519

Default:

  • rsa

  • ecdsa

syslog

boolean (YES/NO)

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

validmasters

list

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 pmpolicy file.

Table 33: Control flow reserved words
Statement Description

accept, reject

Accept or reject 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.

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.

while

Perform the loop body multiple times until an expression is true, evaluating the expression before running the statement.

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