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Privilege Manager for Unix 7.2.1 - 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

Global input variables

The following predefined global variables are initialized from the submit-user’s environment. You can use these variables in the decision making process in the policy file but you cannot change their value.

Table 29: Global input variables
Variable Data type Description
alertkeymatch sting The pattern matched by pmlocald.
argc integer Number of arguments in the request.
argv list List of arguments in the request.

bkgd

boolean

Reflects the "-b" background argument of a pmrun call.

client_parent_pid integer Process ID of the client's parent process.
client_parent_uid integer User ID associated with the client's parent process.
client_parent_procname string Process name of a client's parent process.
clienthost string Originating login host.
command string Pathname of the request.
cwd string Current working directory.
date string Current date.
day integer Current day of month as integer.
dayname string Current day of the week.
domainname string The Active Directory domain name for the submit user if Authentication Services is configured.
env list List of submit user’s environment variables.
false integer Constant value.
FEATURE_LDAP integer Read-only constant used with feature_enabled() function.
FEATURE_VAS integer Read-only constant used with feature_enabled() function.
gid integer Group ID of the submitting user’s primary group on sudo host.
group string Submit user’s primary group.
groups list Submit user’s secondary groups.
host string Host destined to run the request.
hour integer Current hour.
masterhost sting Host on which the master process is running.
masterversion string Privilege Manager for Unix version of masterhost.
minute integer Current minute.
month integer Current month.
nice integer nice value of the submit user’s login.
nodename string

Hostname of pmrun agent.

optarg

integer

Contains the parameter for the last argument or empty string.

opterr

integer

Determines whether to display errors from the getopt functions.

optind

integer

Contains the current argument list index. Use with getopt functions.

optopt

string

Contains the letter of the last option that had an issue. Use with getopt functions.

optreset

boolean

Restarts the getopt functions from the beginning.

optstrictparameters

boolean

Lets getopt_long() recognize non-compliant argument parameter forms.

pid integer Process ID of the master process.
pmclient_type integer The type of client that sent the request.
pmclient_type_pmrun integer Read-only constant for pmrun type clients.
pmclient_type_sudo integer Read-only constant for sudo type clients.
pmshell integer Identifies a Privilege Manager for Unix shell program.
pmshell_builtin integer A constant value that identifies a shell builtin command.
pmshell_cmd integer Identifies a command run from a Privilege Manager for Unix shell program.
pmshell_cmdtype integer Identifies type of a shell subcommand.
pmshell_exe integer A constant value that identifies a normal executable command.
pmshell_interpreter integer Identifies the program directive of a shell script.
pmshell_prog string Name of the Privilege Manager for Unix shell program.
pmshell_script integer A constant value that identifies a shell script.
pmshell_uniqueid string uniqueid of the Privilege Manager for Unix shell program.
pmversion string Privilege Manager for Unix version string of client.
ptyflags string Identifies ptyflags of the request.
requestlocal integer Indicates if the request is local.
requestuser string User that the submit user wants to run the request.

rlimit_as

string

Controls the maximum memory that is available to a process.

rlimit_core

string

Controls the maximum size of a core file.

rlimit_cpu

string

Controls the maximum size CPU time of a process.

rlimit_data

string

Controls the maximum size of data segment of a process.

rlimit_fsize

string

Controls the maximum size of a file.

rlimit_locks

string

Control the maximum number of file locks for a process.

rlimit_memlock

string

Controls the maximum number of bytes of virtual memory that can be locked.

rlimit_nofile

string

Controls the maximum number of files a user may have open at a given time.

rlimit_nproc

string

Controls the maximum number of processes a user may run at a given time.

rlimit_rss

string

Controls the maximum size of the resident set (number of virtual pages resident at a given time) of a process.

rlimit_stack

string

Controls the maximum size of the process stack.

samaccount string The sAMAccountName for the submit user if Authentication Services is configured.

selinux

integer

Identifies whether a client is running an SELinux environment.

status integer Exit status of the most recent system command.
submithost string Name of the submit host.
submithostip string IP address of the submit host.
thishost string The value of the thishost setting in pm.settings on the client.
time string Current time of request.
true integer Read-only constant with a value of 1.
ttyname string ttyname of the submit request.

tzname

string

Name of the time zone on the server at the time the event was read from the event log by pmlog.

uid integer User ID of the submitting user on host.
umask integer umask of the submit user.
unameclient list Uname output on host.

unamemaster

list

Unameoutput on policy server host.

uniqueid string Uniquely identifies a request in the event log.
use_rundir string Contains the value "!~!" and represents the runuser’s home directory on the runhost.
use_rungroup string Contains the value "!g!" and represents the runuser’s primary group on the runhost.
use_rungroups string Contains the value "!G!" and represents the runuser’s secondary group list on the runhost.
use_runshell string Contains the value "!!!" and represents the runuser’s login shell on the runhost.
user string Submit user.

year

integer

Year of the request (YY).

alertkeymatch

Description

Type string READONLY

alertkeymatch contains the pattern matched by pmlocald. This variable is not available for use in the policy file, it is only available in the event log. To view the event log, use the pmlog -l command.

Example
#view all alerts recorded in the audit log that match the pattern "passwd" 
pmlog -l -c 'alertkeymatch == "passwd"'
Related Topics

alertdate

alertkeysequence

alertkeyaction

alerttime

argc

Description

Type integer READONLY

argc contains the number of arguments supplied for the original command. This includes the command name itself. For example, if the original command is pmrun ls -al, then argc is set to 2.

Example
# if any arguments are passed to a vi editor program, like vi
# then verify the path is not in a list of forbidden directories 
if ((basename(command) in vi_program_list) && (argc > 1)) 
{ 
   count=0; 
   while (count < length(forbid_dir_list)) 
   { 
      if (glob(forbid_dir_list[count], dirname(argv[1]))) 
      { 
         reject "You are not allowed to edit a file in this directory"; 
       } 
      count=count+1; 
   } 
}
Related Topics

argv

argv

Description

Type list READONLY

argv is a list of the arguments supplied for the original command, including the command itself. For example, if the original command is pmrun ls -al, then argv is set to {"ls","-al"}.

Example
# if any arguments are passed to an editor program, like vi
# then verify the path is not in a list of forbidden directories 
if ((basename(command) in vi_program_list) && (argc > 1)) 
{ 
   count=0; 
   while (count < length(forbid_dir_list)) 
   { 
      if (glob(forbid_dir_list[count], dirname(argv[1]))) 
      { 
         reject "You are not allowed to edit a file in this directory"; 
      } 
      count=count+1; 
   } 
}
Related Topics

argc

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