NAME¶pam_exec - PAM module which calls an external command
pam_exec.so [debug] [expose_authtok] [seteuid] [quiet] [stdout] [log=file] [type=type] command [...]
DESCRIPTION¶pam_exec is a PAM module that can be used to run an external command.
The child's environment is set to the current PAM environment list, as returned by pam_getenvlist(3) In addition, the following PAM items are exported as environment variables: PAM_RHOST, PAM_RUSER, PAM_SERVICE, PAM_TTY, PAM_USER and PAM_TYPE, which contains one of the module types: account, auth, password, open_session and close_session.
Commands called by pam_exec need to be aware of that the user can have controll over the environment.
MODULE TYPES PROVIDED¶All module types (auth, account, password and session) are provided.
EXAMPLES¶Add the following line to /etc/pam.d/passwd to rebuild the NIS database after each local password change:
password optional pam_exec.so seteuid /usr/bin/make -C /var/yp
This will execute the command
make -C /var/yp
with effective user ID.
SEE ALSO¶pam.conf(5), pam.d(5), pam(7)
AUTHOR¶pam_exec was written by Thorsten Kukuk <email@example.com> and Josh Triplett <firstname.lastname@example.org>.