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