1 /* $NetBSD: pam_strerror.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) 2004-2017 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_strerror.c,v 1.4 2023/06/30 21:46:21 christos Exp $"); 44 45 #include <stdio.h> 46 47 #include <security/pam_appl.h> 48 49 #include "openpam_impl.h" 50 51 /* 52 * XSSO 4.2.1 53 * XSSO 6 page 92 54 * 55 * Get PAM standard error message string 56 */ 57 58 const char * 59 pam_strerror(const pam_handle_t *pamh, 60 int error_number) 61 { 62 static char unknown[16]; 63 64 /*LINTED unused*/ 65 (void)pamh; 66 if (error_number >= 0 && error_number < PAM_NUM_ERRORS) { 67 return (pam_err_text[error_number]); 68 } else { 69 snprintf(unknown, sizeof unknown, "#%d", error_number); 70 return (unknown); 71 } 72 } 73 74 /** 75 * The =pam_strerror function returns a pointer to a string containing a 76 * textual description of the error indicated by the =error_number 77 * argument. 78 * The =pamh argument is ignored. 79 * For compatibility with other implementations, it should be either a 80 * valid PAM handle returned by a previous call to =pam_start, or =NULL. 81 */ 82