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pam_putenv(3pam)
pam_putenv(3PAM) PAM Library Functions pam_putenv(3PAM)
NAME
pam_putenv - change or add a value to the PAM environment
SYNOPSIS
cc [ flag ... ] file ... -lpam [ library ... ]
#include <security/pam_appl.h>
int pam_putenv(pam_handle_t *pamh, const char *name_value);
DESCRIPTION
The pam_putenv() function sets the value of the PAM environment vari‐
able name equal to value either by altering an existing PAM variable or
by creating a new one.
The name_value argument points to a string of the form name=value. A
call to pam_putenv() does not immediately change the environment. All
name_value pairs are stored in the PAM handle pamh. An application such
as login(1) may make a call to pam_getenv(3PAM) or pam_getenvlist(3PAM)
to retrieve the PAM environment variables saved in the PAM handle and
set them in the environment if appropriate. login will not set PAM
environment values which overwrite the values for SHELL, HOME, LOGNAME,
MAIL, CDPATH, IFS, and PATH. Nor will login set PAM environment values
which overwrite any value that begins with LD_.
If name_value equals NAME=, then the value associated with NAME in the
PAM handle will be set to an empty value. If name_value equals NAME,
then the environment variable NAME will be removed from the PAM handle.
RETURN VALUES
The pam_putenv() function may return one of the following values:
PAM_SUCCESS The function returned successfully.
PAM_OPEN_ERR dlopen() failed when dynamically loading a service
module.
PAM_SYMBOL_ERR Symbol not found.
PAM_SERVICE_ERR Error in service module.
PAM_SYSTEM_ERR System error.
PAM_BUF_ERR Memory buffer error.
PAM_CONV_ERR Conversation failure.
PAM_PERM_DENIED Permission denied.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
tab() box; cw(2.75i) |cw(2.75i) lw(2.75i) |lw(2.75i) ATTRIBUTE TYPEAT‐
TRIBUTE VALUE _ Interface StabilityCommitted _ MT-LevelMT-Safe with
exceptions
SEE ALSO
dlopen(3C), libpam(3LIB), pam(3PAM), pam_getenv(3PAM), pam_geten‐
vlist(3PAM), attributes(7)
NOTES
The interfaces in libpam are MT-Safe only if each thread within the
multithreaded application uses its own PAM handle.
Oracle Solaris 11.4 1 Mar 2004 pam_putenv(3PAM)