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PAM_GETENVLIST(3)        BSD Library Functions Manual        PAM_GETENVLIST(3)

NAME
     pam_getenvlist -- returns a list of all the PAM environment variables

LIBRARY
     Pluggable Authentication Module Library (libpam, -lpam)

SYNOPSIS
     #include <sys/types.h>
     #include <security/pam_appl.h>

     char **
     pam_getenvlist(pam_handle_t *pamh);

DESCRIPTION
     The 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 NULL.  The pointer is suitable for assignment to
     environ.

     The array and the strings it lists are allocated using malloc(3), and should be released using free(3)
     after use:

         char **envlist, **env;

         envlist = environ;
         environ = pam_getenvlist(pamh);
         /* do something nifty */
         for (env = environ; *env != NULL; env++)
             free(*env);
         free(environ);
         environ = envlist;

RETURN VALUES
     The pam_getenvlist function returns NULL on failure.

SEE ALSO
     free(3), malloc(3), pam(3), pam_getenv(3), pam_putenv(3), pam_setenv(3), pam_unsetenv(3), environ(7)

STANDARDS
     X/Open Single Sign-On Service (XSSO) - Pluggable Authentication Modules, June 1997.

AUTHORS
     The pam_getenvlist function and this manual page were developed for the FreeBSD Project by ThinkSec AS
     and Network Associates Laboratories, the Security Research Division of Network Associates, Inc. under
     DARPA/SPAWAR contract N66001-01-C-8035 (``CBOSS''), as part of the DARPA CHATS research program.

BSD                            December 21, 2007                           BSD