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.\" Generated from pam_getenvlist.c by gendoc.pl
.\" $Id: pam_getenvlist.c 648 2013-03-05 17:54:27Z des $
.Dd September 7, 2013
.Dt PAM_GETENVLIST 3
.Os
.Sh NAME
.Nm pam_getenvlist
.Nd returns a list of all the PAM environment variables
.Sh LIBRARY
.Lb libpam
.Sh SYNOPSIS
.In sys/types.h
.In security/pam_appl.h
.Ft "char **"
.Fn pam_getenvlist "pam_handle_t *pamh"
.Sh DESCRIPTION
The
.Fn pam_getenvlist
function returns a copy of the given PAM context's
environment list as a pointer to an array of strings.
The last element in the array is
.Dv NULL .
The pointer is suitable for assignment to
.Va environ .
.Pp
The array and the strings it lists are allocated using
.Xr malloc 3 ,
and
should be released using
.Xr free 3
after use:
.Pp
.Bd -literal
char **envlist, **env;
envlist = environ;
environ = pam_getenvlist(pamh);
/* do something nifty */
for (env = environ; *env != NULL; env++)
free(*env);
free(environ);
environ = envlist;
.Ed
.Sh RETURN VALUES
The
.Fn pam_getenvlist
function returns
.Dv NULL
on failure.
.Sh SEE ALSO
.Xr free 3 ,
.Xr malloc 3 ,
.Xr pam 3 ,
.Xr pam_getenv 3 ,
.Xr pam_putenv 3 ,
.Xr pam_setenv 3 ,
.Xr environ 7
.Sh STANDARDS
.Rs
.%T "X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules"
.%D "June 1997"
.Re
.Sh AUTHORS
The
.Fn pam_getenvlist
function and this manual page were
developed for the
.Fx
Project by ThinkSec AS and Network Associates Laboratories, the
Security Research Division of Network Associates, Inc.\& under
DARPA/SPAWAR contract N66001-01-C-8035
.Pq Dq CBOSS ,
as part of the DARPA CHATS research program.
.Pp
The OpenPAM library is maintained by
.An Dag-Erling Sm\(/orgrav Aq des@des.no .
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