90 lines
3.0 KiB
C
90 lines
3.0 KiB
C
/*-
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* Copyright (c) 2002 Networks Associates Technology, Inc.
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* All rights reserved.
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*
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* This software was developed for the FreeBSD Project by ThinkSec AS and
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* NAI Labs, the Security Research Division of Network Associates, Inc.
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* under DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the
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* DARPA CHATS research program.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $P4: //depot/projects/openpam/lib/pam_get_authtok.c#12 $
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*/
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#include <sys/param.h>
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#include <security/pam_appl.h>
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#include <security/openpam.h>
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#include "openpam_impl.h"
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/*
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* OpenPAM extension
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*
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* Retrieve authentication token
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*/
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int
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pam_get_authtok(pam_handle_t *pamh,
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const char **authtok,
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const char *prompt)
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{
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char *p, *resp;
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int r, style;
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if (pamh == NULL || authtok == NULL)
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return (PAM_SYSTEM_ERR);
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if (openpam_get_option(pamh, "try_first_pass") ||
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openpam_get_option(pamh, "use_first_pass")) {
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r = pam_get_item(pamh, PAM_AUTHTOK, (const void **)authtok);
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if (r == PAM_SUCCESS && *authtok != NULL)
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return (PAM_SUCCESS);
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else if (openpam_get_option(pamh, "use_first_pass"))
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return (r == PAM_SUCCESS ? PAM_AUTH_ERR : r);
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}
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if (pam_get_item(pamh, PAM_AUTHTOK_PROMPT,
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(const void **)&p) != PAM_SUCCESS || p == NULL)
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if (prompt == NULL)
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prompt = "Password:";
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style = openpam_get_option(pamh, "echo_pass") ?
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PAM_PROMPT_ECHO_ON : PAM_PROMPT_ECHO_OFF;
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r = pam_prompt(pamh, style, &resp, "%s", p ? p : prompt);
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if (r != PAM_SUCCESS)
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return (r);
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*authtok = resp;
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return (pam_set_item(pamh, PAM_AUTHTOK, *authtok));
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}
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/*
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* Error codes:
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*
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* =pam_get_item
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* =pam_prompt
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* =pam_set_item
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* !PAM_SYMBOL_ERR
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*/
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