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/*-
* Copyright (c) 2002 Networks Associates Technologies, Inc.
* All rights reserved.
*
* This software was developed for the FreeBSD Project by ThinkSec AS and
* NAI Labs, 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.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
*/
#include <sys/param.h>
#include <security/pam_appl.h>
#include <security/openpam.h>
#include "openpam_impl.h"
/*
* OpenPAM extension
*
* Retrieve authentication token
*/
int
pam_get_authtok(pam_handle_t *pamh,
const char **authtok,
const char *prompt)
{
char *p, *resp;
int r, style;
if (pamh == NULL || authtok == NULL)
return (PAM_SYSTEM_ERR);
if (openpam_get_option(pamh, "try_first_pass") ||
openpam_get_option(pamh, "use_first_pass")) {
r = pam_get_item(pamh, PAM_AUTHTOK, (const void **)authtok);
if (r == PAM_SUCCESS && *authtok != NULL)
return (PAM_SUCCESS);
else if (openpam_get_option(pamh, "use_first_pass"))
return (r == PAM_SUCCESS ? PAM_AUTH_ERR : r);
}
if (pam_get_item(pamh, PAM_AUTHTOK_PROMPT,
(const void **)&p) != PAM_SUCCESS || p == NULL)
if (prompt == NULL)
prompt = "Password:";
style = openpam_get_option(pamh, "echo_pass") ?
PAM_PROMPT_ECHO_ON : PAM_PROMPT_ECHO_OFF;
r = pam_prompt(pamh, style, &resp, "%s", p ? p : prompt);
if (r != PAM_SUCCESS)
return (r);
*authtok = resp;
return (pam_set_item(pamh, PAM_AUTHTOK, *authtok));
}
/*
* Error codes:
*
* =pam_get_item
* =pam_prompt
* =pam_set_item
* !PAM_SYMBOL_ERR
*/
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