1 /* $NetBSD: pam_strerror.c,v 1.2 2014/10/24 18:17:56 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 * Id: pam_strerror.c 648 2013-03-05 17:54:27Z des 38 */ 39 40 #ifdef HAVE_CONFIG_H 41 # include "config.h" 42 #endif 43 44 #include <sys/cdefs.h> 45 __RCSID("$NetBSD: pam_strerror.c,v 1.2 2014/10/24 18:17:56 christos Exp $"); 46 47 #include <stdio.h> 48 49 #include <security/pam_appl.h> 50 51 #include "openpam_impl.h" 52 53 /* 54 * XSSO 4.2.1 55 * XSSO 6 page 92 56 * 57 * Get PAM standard error message string 58 */ 59 60 const char * 61 pam_strerror(const pam_handle_t *pamh, 62 int error_number) 63 { 64 static char unknown[16]; 65 66 /*LINTED unused*/ 67 (void)pamh; 68 69 switch (error_number) { 70 case PAM_SUCCESS: 71 return ("success"); 72 case PAM_OPEN_ERR: 73 return ("failed to load module"); 74 case PAM_SYMBOL_ERR: 75 return ("invalid symbol"); 76 case PAM_SERVICE_ERR: 77 return ("error in service module"); 78 case PAM_SYSTEM_ERR: 79 return ("system error"); 80 case PAM_BUF_ERR: 81 return ("memory buffer error"); 82 case PAM_CONV_ERR: 83 return ("conversation failure"); 84 case PAM_PERM_DENIED: 85 return ("permission denied"); 86 case PAM_MAXTRIES: 87 return ("maximum number of tries exceeded"); 88 case PAM_AUTH_ERR: 89 return ("authentication error"); 90 case PAM_NEW_AUTHTOK_REQD: 91 return ("new authentication token required"); 92 case PAM_CRED_INSUFFICIENT: 93 return ("insufficient credentials"); 94 case PAM_AUTHINFO_UNAVAIL: 95 return ("authentication information is unavailable"); 96 case PAM_USER_UNKNOWN: 97 return ("unknown user"); 98 case PAM_CRED_UNAVAIL: 99 return ("failed to retrieve user credentials"); 100 case PAM_CRED_EXPIRED: 101 return ("user credentials have expired"); 102 case PAM_CRED_ERR: 103 return ("failed to set user credentials"); 104 case PAM_ACCT_EXPIRED: 105 return ("user account has expired"); 106 case PAM_AUTHTOK_EXPIRED: 107 return ("password has expired"); 108 case PAM_SESSION_ERR: 109 return ("session failure"); 110 case PAM_AUTHTOK_ERR: 111 return ("authentication token failure"); 112 case PAM_AUTHTOK_RECOVERY_ERR: 113 return ("failed to recover old authentication token"); 114 case PAM_AUTHTOK_LOCK_BUSY: 115 return ("authentication token lock busy"); 116 case PAM_AUTHTOK_DISABLE_AGING: 117 return ("authentication token aging disabled"); 118 case PAM_NO_MODULE_DATA: 119 return ("module data not found"); 120 case PAM_IGNORE: 121 return ("ignore this module"); 122 case PAM_ABORT: 123 return ("general failure"); 124 case PAM_TRY_AGAIN: 125 return ("try again"); 126 case PAM_MODULE_UNKNOWN: 127 return ("unknown module type"); 128 case PAM_DOMAIN_UNKNOWN: 129 return ("unknown authentication domain"); 130 default: 131 snprintf(unknown, sizeof unknown, "#%d", error_number); 132 return (unknown); 133 } 134 } 135 136 /** 137 * The =pam_strerror function returns a pointer to a string containing a 138 * textual description of the error indicated by the =error_number 139 * argument. 140 * The =pamh argument is ignored. 141 * For compatibility with other implementations, it should be either a 142 * valid PAM handle returned by a previous call to =pam_start, or =NULL. 143 */ 144