1*10b5fe87SSascha Wildner /*-
2*10b5fe87SSascha Wildner * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3*10b5fe87SSascha Wildner * Copyright (c) 2004-2011 Dag-Erling Smørgrav
4*10b5fe87SSascha Wildner * All rights reserved.
5*10b5fe87SSascha Wildner *
6*10b5fe87SSascha Wildner * This software was developed for the FreeBSD Project by ThinkSec AS and
7*10b5fe87SSascha Wildner * Network Associates Laboratories, the Security Research Division of
8*10b5fe87SSascha Wildner * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035
9*10b5fe87SSascha Wildner * ("CBOSS"), as part of the DARPA CHATS research program.
10*10b5fe87SSascha Wildner *
11*10b5fe87SSascha Wildner * Redistribution and use in source and binary forms, with or without
12*10b5fe87SSascha Wildner * modification, are permitted provided that the following conditions
13*10b5fe87SSascha Wildner * are met:
14*10b5fe87SSascha Wildner * 1. Redistributions of source code must retain the above copyright
15*10b5fe87SSascha Wildner * notice, this list of conditions and the following disclaimer.
16*10b5fe87SSascha Wildner * 2. Redistributions in binary form must reproduce the above copyright
17*10b5fe87SSascha Wildner * notice, this list of conditions and the following disclaimer in the
18*10b5fe87SSascha Wildner * documentation and/or other materials provided with the distribution.
19*10b5fe87SSascha Wildner * 3. The name of the author may not be used to endorse or promote
20*10b5fe87SSascha Wildner * products derived from this software without specific prior written
21*10b5fe87SSascha Wildner * permission.
22*10b5fe87SSascha Wildner *
23*10b5fe87SSascha Wildner * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24*10b5fe87SSascha Wildner * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*10b5fe87SSascha Wildner * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*10b5fe87SSascha Wildner * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27*10b5fe87SSascha Wildner * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*10b5fe87SSascha Wildner * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*10b5fe87SSascha Wildner * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*10b5fe87SSascha Wildner * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*10b5fe87SSascha Wildner * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*10b5fe87SSascha Wildner * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*10b5fe87SSascha Wildner * SUCH DAMAGE.
34*10b5fe87SSascha Wildner *
35*10b5fe87SSascha Wildner * $OpenPAM: openpam_nullconv.c 938 2017-04-30 21:34:42Z des $
36*10b5fe87SSascha Wildner */
37*10b5fe87SSascha Wildner
38*10b5fe87SSascha Wildner #ifdef HAVE_CONFIG_H
39*10b5fe87SSascha Wildner # include "config.h"
40*10b5fe87SSascha Wildner #endif
41*10b5fe87SSascha Wildner
42*10b5fe87SSascha Wildner #include <sys/types.h>
43*10b5fe87SSascha Wildner
44*10b5fe87SSascha Wildner #include <security/pam_appl.h>
45*10b5fe87SSascha Wildner
46*10b5fe87SSascha Wildner #include "openpam_impl.h"
47*10b5fe87SSascha Wildner
48*10b5fe87SSascha Wildner /*
49*10b5fe87SSascha Wildner * OpenPAM extension
50*10b5fe87SSascha Wildner *
51*10b5fe87SSascha Wildner * Null conversation function
52*10b5fe87SSascha Wildner */
53*10b5fe87SSascha Wildner
54*10b5fe87SSascha Wildner int
openpam_nullconv(int n,const struct pam_message ** msg,struct pam_response ** resp,void * data)55*10b5fe87SSascha Wildner openpam_nullconv(int n,
56*10b5fe87SSascha Wildner const struct pam_message **msg,
57*10b5fe87SSascha Wildner struct pam_response **resp,
58*10b5fe87SSascha Wildner void *data)
59*10b5fe87SSascha Wildner {
60*10b5fe87SSascha Wildner
61*10b5fe87SSascha Wildner ENTER();
62*10b5fe87SSascha Wildner (void)n;
63*10b5fe87SSascha Wildner (void)msg;
64*10b5fe87SSascha Wildner (void)resp;
65*10b5fe87SSascha Wildner (void)data;
66*10b5fe87SSascha Wildner RETURNC(PAM_CONV_ERR);
67*10b5fe87SSascha Wildner }
68*10b5fe87SSascha Wildner
69*10b5fe87SSascha Wildner /*
70*10b5fe87SSascha Wildner * Error codes:
71*10b5fe87SSascha Wildner *
72*10b5fe87SSascha Wildner * PAM_CONV_ERR
73*10b5fe87SSascha Wildner */
74*10b5fe87SSascha Wildner
75*10b5fe87SSascha Wildner /**
76*10b5fe87SSascha Wildner * The =openpam_nullconv function is a null conversation function suitable
77*10b5fe87SSascha Wildner * for applications that want to use PAM but don't support interactive
78*10b5fe87SSascha Wildner * dialog with the user.
79*10b5fe87SSascha Wildner * Such applications should set =PAM_AUTHTOK to whatever authentication
80*10b5fe87SSascha Wildner * token they've obtained on their own before calling =pam_authenticate
81*10b5fe87SSascha Wildner * and / or =pam_chauthtok, and their PAM configuration should specify the
82*10b5fe87SSascha Wildner * ;use_first_pass option for all modules that require access to the
83*10b5fe87SSascha Wildner * authentication token, to make sure they use =PAM_AUTHTOK rather than
84*10b5fe87SSascha Wildner * try to query the user.
85*10b5fe87SSascha Wildner *
86*10b5fe87SSascha Wildner * >openpam_ttyconv
87*10b5fe87SSascha Wildner * >pam_prompt
88*10b5fe87SSascha Wildner * >pam_set_item
89*10b5fe87SSascha Wildner * >pam_vprompt
90*10b5fe87SSascha Wildner */
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