xref: /netbsd-src/external/bsd/openpam/dist/lib/libpam/pam_prompt.c (revision 0d9d0fd8a30be9a1924e715bbcf67a4a83efd262)
1*0d9d0fd8Schristos /*	$NetBSD: pam_prompt.c,v 1.4 2023/06/30 21:46:21 christos Exp $	*/
2201780c4Schristos 
376e8c542Schristos /*-
476e8c542Schristos  * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
576e8c542Schristos  * Copyright (c) 2004-2011 Dag-Erling Smørgrav
676e8c542Schristos  * All rights reserved.
776e8c542Schristos  *
876e8c542Schristos  * This software was developed for the FreeBSD Project by ThinkSec AS and
976e8c542Schristos  * Network Associates Laboratories, the Security Research Division of
1076e8c542Schristos  * Network Associates, Inc.  under DARPA/SPAWAR contract N66001-01-C-8035
1176e8c542Schristos  * ("CBOSS"), as part of the DARPA CHATS research program.
1276e8c542Schristos  *
1376e8c542Schristos  * Redistribution and use in source and binary forms, with or without
1476e8c542Schristos  * modification, are permitted provided that the following conditions
1576e8c542Schristos  * are met:
1676e8c542Schristos  * 1. Redistributions of source code must retain the above copyright
1776e8c542Schristos  *    notice, this list of conditions and the following disclaimer.
1876e8c542Schristos  * 2. Redistributions in binary form must reproduce the above copyright
1976e8c542Schristos  *    notice, this list of conditions and the following disclaimer in the
2076e8c542Schristos  *    documentation and/or other materials provided with the distribution.
2176e8c542Schristos  * 3. The name of the author may not be used to endorse or promote
2276e8c542Schristos  *    products derived from this software without specific prior written
2376e8c542Schristos  *    permission.
2476e8c542Schristos  *
2576e8c542Schristos  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
2676e8c542Schristos  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2776e8c542Schristos  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2876e8c542Schristos  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
2976e8c542Schristos  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3076e8c542Schristos  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
3176e8c542Schristos  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3276e8c542Schristos  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3376e8c542Schristos  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3476e8c542Schristos  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3576e8c542Schristos  * SUCH DAMAGE.
3676e8c542Schristos  */
3776e8c542Schristos 
3876e8c542Schristos #ifdef HAVE_CONFIG_H
3976e8c542Schristos # include "config.h"
4076e8c542Schristos #endif
4176e8c542Schristos 
42201780c4Schristos #include <sys/cdefs.h>
43*0d9d0fd8Schristos __RCSID("$NetBSD: pam_prompt.c,v 1.4 2023/06/30 21:46:21 christos Exp $");
44201780c4Schristos 
4576e8c542Schristos #include <sys/types.h>
4676e8c542Schristos 
4776e8c542Schristos #include <stdarg.h>
4876e8c542Schristos 
4976e8c542Schristos #include <security/pam_appl.h>
5076e8c542Schristos #include <security/openpam.h>
5176e8c542Schristos 
5276e8c542Schristos /*
5376e8c542Schristos  * OpenPAM extension
5476e8c542Schristos  *
5576e8c542Schristos  * Call the conversation function
5676e8c542Schristos  */
5776e8c542Schristos 
5876e8c542Schristos int
pam_prompt(const pam_handle_t * pamh,int style,char ** resp,const char * fmt,...)5976e8c542Schristos pam_prompt(const pam_handle_t *pamh,
6076e8c542Schristos 	int style,
6176e8c542Schristos 	char **resp,
6276e8c542Schristos 	const char *fmt,
6376e8c542Schristos 	...)
6476e8c542Schristos {
6576e8c542Schristos 	va_list ap;
6676e8c542Schristos 	int r;
6776e8c542Schristos 
6876e8c542Schristos 	va_start(ap, fmt);
6976e8c542Schristos 	r = pam_vprompt(pamh, style, resp, fmt, ap);
7076e8c542Schristos 	va_end(ap);
7176e8c542Schristos 	return (r);
7276e8c542Schristos }
7376e8c542Schristos 
7476e8c542Schristos /*
7576e8c542Schristos  * Error codes:
7676e8c542Schristos  *
7776e8c542Schristos  *     !PAM_SYMBOL_ERR
7876e8c542Schristos  *	PAM_SYSTEM_ERR
7976e8c542Schristos  *	PAM_BUF_ERR
8076e8c542Schristos  *	PAM_CONV_ERR
8176e8c542Schristos  */
8276e8c542Schristos 
8376e8c542Schristos /**
8476e8c542Schristos  * The =pam_prompt function constructs a message from the specified format
8576e8c542Schristos  * string and arguments and passes it to the given PAM context's
8676e8c542Schristos  * conversation function.
8776e8c542Schristos  *
8876e8c542Schristos  * A pointer to the response, or =NULL if the conversation function did
8976e8c542Schristos  * not return one, is stored in the location pointed to by the =resp
9076e8c542Schristos  * argument.
9176e8c542Schristos  *
9276e8c542Schristos  * See =pam_vprompt for further details.
9376e8c542Schristos  *
9476e8c542Schristos  * >pam_error
9576e8c542Schristos  * >pam_info
9676e8c542Schristos  * >pam_vprompt
9776e8c542Schristos  */
98