pam_env(8) - phpMan

PAM_ENV(8)                               Linux-PAM Manual                              PAM_ENV(8)



NAME
       pam_env - PAM module to set/unset environment variables

SYNOPSIS
       pam_env.so [debug] [conffile=conf-file] [envfile=env-file] [readenv=0|1]
                  [user_envfile=env-file] [user_readenv=0|1]

DESCRIPTION
       The pam_env PAM module allows the (un)setting of environment variables. Supported is the
       use of previously set environment variables as well as PAM_ITEMs such as PAM_RHOST.

       By default rules for (un)setting of variables is taken from the config file
       /etc/security/pam_env.conf if no other file is specified.

       This module can also parse a file with simple KEY=VAL pairs on separate lines
       (/etc/environment by default). You can change the default file to parse, with the envfile
       flag and turn it on or off by setting the readenv flag to 1 or 0 respectively.

       Since setting of PAM environment variables can have side effects to other modules, this
       module should be the last one on the stack.

OPTIONS
       conffile=/path/to/pam_env.conf
           Indicate an alternative pam_env.conf style configuration file to override the default.
           This can be useful when different services need different environments.

       debug
           A lot of debug information is printed with syslog(3).

       envfile=/path/to/environment
           Indicate an alternative environment file to override the default. This can be useful
           when different services need different environments.

       readenv=0|1
           Turns on or off the reading of the file specified by envfile (0 is off, 1 is on). By
           default this option is on.

       user_envfile=filename
           Indicate an alternative .pam_environment file to override the default. This can be
           useful when different services need different environments. The filename is relative
           to the user home directory.

       user_readenv=0|1
           Turns on or off the reading of the user specific environment file. 0 is off, 1 is on.
           By default this option is off as user supplied environment variables in the PAM
           environment could affect behavior of subsequent modules in the stack without the
           consent of the system administrator.

MODULE TYPES PROVIDED
       The auth and session module types are provided.

RETURN VALUES
       PAM_ABORT
           Not all relevant data or options could be gotten.

       PAM_BUF_ERR
           Memory buffer error.

       PAM_IGNORE
           No pam_env.conf and environment file was found.

       PAM_SUCCESS
           Environment variables were set.

FILES
       /etc/security/pam_env.conf
           Default configuration file

       /etc/environment
           Default environment file

       $HOME/.pam_environment
           User specific environment file

SEE ALSO
       pam_env.conf(5), pam.d(5), pam(8).

AUTHOR
       pam_env was written by Dave Kinchlea <kinch AT kinch.com>.



Linux-PAM Manual                            04/01/2020                                 PAM_ENV(8)

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