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'\" t
.\" Title: pam_getenvlist
.\" Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 04/01/2016
.\" Manual: Linux-PAM Manual
.\" Source: Linux-PAM Manual
.\" Language: English
.\"
.TH "PAM_GETENVLIST" "3" "04/01/2016" "Linux-PAM Manual" "Linux-PAM Manual"
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.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
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.ie \n(.g .ds Aq \(aq
.el .ds Aq '
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.nh
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.\" * MAIN CONTENT STARTS HERE *
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.SH "NAME"
pam_getenvlist \- getting the PAM environment
.SH "SYNOPSIS"
.sp
.ft B
.nf
#include <security/pam_appl\&.h>
.fi
.ft
.HP \w'char\ **pam_getenvlist('u
.BI "char **pam_getenvlist(pam_handle_t\ *" "pamh" ");"
.SH "DESCRIPTION"
.PP
The
\fBpam_getenvlist\fR
function returns a complete copy of the PAM environment as associated with the handle
\fIpamh\fR\&. The PAM environment variables represent the contents of the regular environment variables of the authenticated user when service is granted\&.
.PP
The format of the memory is a malloc()\*(Aqd array of char pointers, the last element of which is set to NULL\&. Each of the non\-NULL entries in this array point to a NUL terminated and malloc()\*(Aqd char string of the form: "\fIname=value\fR"\&.
.PP
It should be noted that this memory will never be free()\*(Aqd by libpam\&. Once obtained by a call to
\fBpam_getenvlist\fR, it is the responsibility of the calling application to free() this memory\&.
.PP
It is by design, and not a coincidence, that the format and contents of the returned array matches that required for the third argument of the
\fBexecle\fR(3)
function call\&.
.SH "RETURN VALUES"
.PP
The
\fBpam_getenvlist\fR
function returns NULL on failure\&.
.SH "SEE ALSO"
.PP
\fBpam_start\fR(3),
\fBpam_getenv\fR(3),
\fBpam_putenv\fR(3),
\fBpam\fR(8)
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