pam_prompt(3)

pam_prompt3

Call the conversation function

Usage

#include <sys/types.h>

#include <security/pam_appl.h>

int

pam_prompt(const pam_handle_t *pamh, int style, char **resp, const char *fmt, ...);

Overview

The pam_prompt() function constructs a message from the specified format string and arguments and passes it to the given PAM context's conversation function.

A pointer to the response, or NULL if the conversation function did not return one, is stored in the location pointed to by the resp argument.

See pam_vprompt(3) for further details.

Return values

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

[PAM_SUCCESS]

Success.

[PAM_BUF_ERR]

Memory buffer error.

[PAM_CONV_ERR]

Conversation failure.

[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

The pam_prompt() function is an OpenPAM extension.

Authors

The pam_prompt() 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.