pam_putenv(3)

pam_putenv3

Set the value of an environment variable

Usage

#include <sys/types.h>

#include <security/pam_appl.h>

int

pam_putenv(pam_handle_t *pamh, const char *namevalue);

Overview

The pam_putenv() function sets an environment variable. Its semantics are similar to those of putenv(3), but it modifies the PAM context's environment list instead of the application's.

Return values

The pam_putenv() function returns one of the following values:

[PAM_SUCCESS]

Success.

[PAM_BUF_ERR]

Memory buffer error.

[PAM_SYSTEM_ERR]

System error.

Releases

56 releases since FreeBSD 5.0-RELEASE; the text changed 15 times.

  1. 5.0
  2. 5.1
  3. 5.2–5.2.1
  4. 5.3–5.5
  5. 6.0–6.3
  6. 6.4
  7. 7.0
  8. 7.1–9.1
  9. 9.2
  10. 9.3–10.0
  11. 10.1–11.2
  12. 11.3–11.4
  13. 12.0–12.2
  14. 12.3–13.2
  15. 13.3–14.5
  16. 15.0–16.0

Standards

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

Authors

The pam_putenv() 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.

The OpenPAM library is maintained by Dag-Erling Smørgrav ⟨[email protected]⟩.

From base 16.0-CURRENT-20261027-61c70dc16a79 in FreeBSD 16.0-CURRENT (2026-10-27). Parsed by carta from the page's mdoc source.