PAM_PUTENV
NAME
pam_putenv − set or change PAM environment
variable
SYNOPSIS
#include <security/pam_appl.h>
|
int pam_putenv(pam_handle_t *pamh, const char *name_value); |
DESCRIPTION
The pam_putenv function is used to add or change the value of PAM environment variables as associated with the pamh handle.
The pamh argument is an authentication handle obtained by a prior call to pam_start(). The name_value argument is a single NUL terminated string of one of the following forms:
NAME=value of variable
In this case the environment variable of the given NAME is set to the indicated value: value of variable. If this variable is already known, it is overwritten. Otherwise it is added to the PAM environment.
NAME=
This function sets the variable to an empty value. It is listed separately to indicate that this is the correct way to achieve such a setting.
NAME
Without an ´=´ the pam_putenv() function will delete the corresponding variable from the PAM environment.
pam_putenv() operates on a copy of name_value, which means in contrast to putenv(3), the application is responsible to free the data.
RETURN
VALUES
PAM_PERM_DENIED
Argument name_value given is a NULL pointer.
PAM_BAD_ITEM
Variable requested (for deletion) is not currently set.
PAM_ABORT
The pamh handle is corrupt.
PAM_BUF_ERR
Memory buffer error.
PAM_SUCCESS
The environment variable was successfully updated.
SEE
ALSO
pam_start(3), pam_getenv(3),
pam_getenvlist(3), pam_strerror(3),
pam(8)
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