xref: /freebsd/contrib/openpam/lib/libpam/pam_prompt.c (revision f7e6344d4a3b7072f8b8a1dec8f483a5a3ca50eb)
1*f7e6344dSDag-Erling Smørgrav /*-
2*f7e6344dSDag-Erling Smørgrav  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3*f7e6344dSDag-Erling Smørgrav  * Copyright (c) 2004-2011 Dag-Erling Smørgrav
4*f7e6344dSDag-Erling Smørgrav  * All rights reserved.
5*f7e6344dSDag-Erling Smørgrav  *
6*f7e6344dSDag-Erling Smørgrav  * This software was developed for the FreeBSD Project by ThinkSec AS and
7*f7e6344dSDag-Erling Smørgrav  * Network Associates Laboratories, the Security Research Division of
8*f7e6344dSDag-Erling Smørgrav  * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
9*f7e6344dSDag-Erling Smørgrav  * ("CBOSS"), as part of the DARPA CHATS research program.
10*f7e6344dSDag-Erling Smørgrav  *
11*f7e6344dSDag-Erling Smørgrav  * Redistribution and use in source and binary forms, with or without
12*f7e6344dSDag-Erling Smørgrav  * modification, are permitted provided that the following conditions
13*f7e6344dSDag-Erling Smørgrav  * are met:
14*f7e6344dSDag-Erling Smørgrav  * 1. Redistributions of source code must retain the above copyright
15*f7e6344dSDag-Erling Smørgrav  *    notice, this list of conditions and the following disclaimer.
16*f7e6344dSDag-Erling Smørgrav  * 2. Redistributions in binary form must reproduce the above copyright
17*f7e6344dSDag-Erling Smørgrav  *    notice, this list of conditions and the following disclaimer in the
18*f7e6344dSDag-Erling Smørgrav  *    documentation and/or other materials provided with the distribution.
19*f7e6344dSDag-Erling Smørgrav  * 3. The name of the author may not be used to endorse or promote
20*f7e6344dSDag-Erling Smørgrav  *    products derived from this software without specific prior written
21*f7e6344dSDag-Erling Smørgrav  *    permission.
22*f7e6344dSDag-Erling Smørgrav  *
23*f7e6344dSDag-Erling Smørgrav  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24*f7e6344dSDag-Erling Smørgrav  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25*f7e6344dSDag-Erling Smørgrav  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26*f7e6344dSDag-Erling Smørgrav  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27*f7e6344dSDag-Erling Smørgrav  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28*f7e6344dSDag-Erling Smørgrav  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29*f7e6344dSDag-Erling Smørgrav  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30*f7e6344dSDag-Erling Smørgrav  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31*f7e6344dSDag-Erling Smørgrav  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32*f7e6344dSDag-Erling Smørgrav  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33*f7e6344dSDag-Erling Smørgrav  * SUCH DAMAGE.
34*f7e6344dSDag-Erling Smørgrav  *
35*f7e6344dSDag-Erling Smørgrav  * $Id: pam_prompt.c 437 2011-09-13 12:00:13Z des $
36*f7e6344dSDag-Erling Smørgrav  */
37*f7e6344dSDag-Erling Smørgrav 
38*f7e6344dSDag-Erling Smørgrav #ifdef HAVE_CONFIG_H
39*f7e6344dSDag-Erling Smørgrav # include "config.h"
40*f7e6344dSDag-Erling Smørgrav #endif
41*f7e6344dSDag-Erling Smørgrav 
42*f7e6344dSDag-Erling Smørgrav #include <sys/types.h>
43*f7e6344dSDag-Erling Smørgrav 
44*f7e6344dSDag-Erling Smørgrav #include <stdarg.h>
45*f7e6344dSDag-Erling Smørgrav 
46*f7e6344dSDag-Erling Smørgrav #include <security/pam_appl.h>
47*f7e6344dSDag-Erling Smørgrav #include <security/openpam.h>
48*f7e6344dSDag-Erling Smørgrav 
49*f7e6344dSDag-Erling Smørgrav /*
50*f7e6344dSDag-Erling Smørgrav  * OpenPAM extension
51*f7e6344dSDag-Erling Smørgrav  *
52*f7e6344dSDag-Erling Smørgrav  * Call the conversation function
53*f7e6344dSDag-Erling Smørgrav  */
54*f7e6344dSDag-Erling Smørgrav 
55*f7e6344dSDag-Erling Smørgrav int
56*f7e6344dSDag-Erling Smørgrav pam_prompt(const pam_handle_t *pamh,
57*f7e6344dSDag-Erling Smørgrav 	int style,
58*f7e6344dSDag-Erling Smørgrav 	char **resp,
59*f7e6344dSDag-Erling Smørgrav 	const char *fmt,
60*f7e6344dSDag-Erling Smørgrav 	...)
61*f7e6344dSDag-Erling Smørgrav {
62*f7e6344dSDag-Erling Smørgrav 	va_list ap;
63*f7e6344dSDag-Erling Smørgrav 	int r;
64*f7e6344dSDag-Erling Smørgrav 
65*f7e6344dSDag-Erling Smørgrav 	va_start(ap, fmt);
66*f7e6344dSDag-Erling Smørgrav 	r = pam_vprompt(pamh, style, resp, fmt, ap);
67*f7e6344dSDag-Erling Smørgrav 	va_end(ap);
68*f7e6344dSDag-Erling Smørgrav 	return (r);
69*f7e6344dSDag-Erling Smørgrav }
70*f7e6344dSDag-Erling Smørgrav 
71*f7e6344dSDag-Erling Smørgrav /*
72*f7e6344dSDag-Erling Smørgrav  * Error codes:
73*f7e6344dSDag-Erling Smørgrav  *
74*f7e6344dSDag-Erling Smørgrav  *     !PAM_SYMBOL_ERR
75*f7e6344dSDag-Erling Smørgrav  *	PAM_SYSTEM_ERR
76*f7e6344dSDag-Erling Smørgrav  *	PAM_BUF_ERR
77*f7e6344dSDag-Erling Smørgrav  *	PAM_CONV_ERR
78*f7e6344dSDag-Erling Smørgrav  */
79*f7e6344dSDag-Erling Smørgrav 
80*f7e6344dSDag-Erling Smørgrav /**
81*f7e6344dSDag-Erling Smørgrav  * The =pam_prompt function constructs a message from the specified format
82*f7e6344dSDag-Erling Smørgrav  * string and arguments and passes it to the given PAM context's
83*f7e6344dSDag-Erling Smørgrav  * conversation function.
84*f7e6344dSDag-Erling Smørgrav  *
85*f7e6344dSDag-Erling Smørgrav  * A pointer to the response, or =NULL if the conversation function did
86*f7e6344dSDag-Erling Smørgrav  * not return one, is stored in the location pointed to by the =resp
87*f7e6344dSDag-Erling Smørgrav  * argument.
88*f7e6344dSDag-Erling Smørgrav  *
89*f7e6344dSDag-Erling Smørgrav  * See =pam_vprompt for further details.
90*f7e6344dSDag-Erling Smørgrav  *
91*f7e6344dSDag-Erling Smørgrav  * >pam_error
92*f7e6344dSDag-Erling Smørgrav  * >pam_info
93*f7e6344dSDag-Erling Smørgrav  * >pam_vprompt
94*f7e6344dSDag-Erling Smørgrav  */
95