1 /* $NetBSD: pam_error.c,v 1.4 2023/06/30 21:46:21 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 2002-2003 Networks Associates Technology, Inc. 5 * Copyright (c) 2004-2011 Dag-Erling Smørgrav 6 * All rights reserved. 7 * 8 * This software was developed for the FreeBSD Project by ThinkSec AS and 9 * Network Associates Laboratories, the Security Research Division of 10 * Network Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 11 * ("CBOSS"), as part of the DARPA CHATS research program. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. The name of the author may not be used to endorse or promote 22 * products derived from this software without specific prior written 23 * permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 */ 37 38 #ifdef HAVE_CONFIG_H 39 # include "config.h" 40 #endif 41 42 #include <sys/cdefs.h> 43 __RCSID("$NetBSD: pam_error.c,v 1.4 2023/06/30 21:46:21 christos Exp $"); 44 45 #include <stdarg.h> 46 #include <stdio.h> 47 #include <stdlib.h> 48 49 #include <security/pam_appl.h> 50 #include <security/openpam.h> 51 52 #include "openpam_impl.h" 53 54 /* 55 * OpenPAM extension 56 * 57 * Display an error message 58 */ 59 60 int 61 pam_error(const pam_handle_t *pamh, 62 const char *fmt, 63 ...) 64 { 65 va_list ap; 66 char *rsp; 67 int r; 68 69 va_start(ap, fmt); 70 r = pam_vprompt(pamh, PAM_ERROR_MSG, &rsp, fmt, ap); 71 va_end(ap); 72 FREE(rsp); /* ignore response */ 73 return (r); 74 } 75 76 /* 77 * Error codes: 78 * 79 * !PAM_SYMBOL_ERR 80 * PAM_SYSTEM_ERR 81 * PAM_BUF_ERR 82 * PAM_CONV_ERR 83 */ 84 85 /** 86 * The =pam_error function displays an error message through the 87 * intermediary of the given PAM context's conversation function. 88 * 89 * >pam_info 90 * >pam_prompt 91 * >pam_verror 92 */ 93