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 * $Id: pam_strerror.c 648 2013-03-05 17:54:27Z des $ 36 */ 37 38 #ifdef HAVE_CONFIG_H 39 # include "config.h" 40 #endif 41 42 #include <stdio.h> 43 44 #include <security/pam_appl.h> 45 46 #include "openpam_impl.h" 47 48 /* 49 * XSSO 4.2.1 50 * XSSO 6 page 92 51 * 52 * Get PAM standard error message string 53 */ 54 55 const char * 56 pam_strerror(const pam_handle_t *pamh, 57 int error_number) 58 { 59 static char unknown[16]; 60 61 (void)pamh; 62 63 switch (error_number) { 64 case PAM_SUCCESS: 65 return ("success"); 66 case PAM_OPEN_ERR: 67 return ("failed to load module"); 68 case PAM_SYMBOL_ERR: 69 return ("invalid symbol"); 70 case PAM_SERVICE_ERR: 71 return ("error in service module"); 72 case PAM_SYSTEM_ERR: 73 return ("system error"); 74 case PAM_BUF_ERR: 75 return ("memory buffer error"); 76 case PAM_CONV_ERR: 77 return ("conversation failure"); 78 case PAM_PERM_DENIED: 79 return ("permission denied"); 80 case PAM_MAXTRIES: 81 return ("maximum number of tries exceeded"); 82 case PAM_AUTH_ERR: 83 return ("authentication error"); 84 case PAM_NEW_AUTHTOK_REQD: 85 return ("new authentication token required"); 86 case PAM_CRED_INSUFFICIENT: 87 return ("insufficient credentials"); 88 case PAM_AUTHINFO_UNAVAIL: 89 return ("authentication information is unavailable"); 90 case PAM_USER_UNKNOWN: 91 return ("unknown user"); 92 case PAM_CRED_UNAVAIL: 93 return ("failed to retrieve user credentials"); 94 case PAM_CRED_EXPIRED: 95 return ("user credentials have expired"); 96 case PAM_CRED_ERR: 97 return ("failed to set user credentials"); 98 case PAM_ACCT_EXPIRED: 99 return ("user account has expired"); 100 case PAM_AUTHTOK_EXPIRED: 101 return ("password has expired"); 102 case PAM_SESSION_ERR: 103 return ("session failure"); 104 case PAM_AUTHTOK_ERR: 105 return ("authentication token failure"); 106 case PAM_AUTHTOK_RECOVERY_ERR: 107 return ("failed to recover old authentication token"); 108 case PAM_AUTHTOK_LOCK_BUSY: 109 return ("authentication token lock busy"); 110 case PAM_AUTHTOK_DISABLE_AGING: 111 return ("authentication token aging disabled"); 112 case PAM_NO_MODULE_DATA: 113 return ("module data not found"); 114 case PAM_IGNORE: 115 return ("ignore this module"); 116 case PAM_ABORT: 117 return ("general failure"); 118 case PAM_TRY_AGAIN: 119 return ("try again"); 120 case PAM_MODULE_UNKNOWN: 121 return ("unknown module type"); 122 case PAM_DOMAIN_UNKNOWN: 123 return ("unknown authentication domain"); 124 default: 125 snprintf(unknown, sizeof unknown, "#%d", error_number); 126 return (unknown); 127 } 128 } 129 130 /** 131 * The =pam_strerror function returns a pointer to a string containing a 132 * textual description of the error indicated by the =error_number 133 * argument. 134 * The =pamh argument is ignored. 135 * For compatibility with other implementations, it should be either a 136 * valid PAM handle returned by a previous call to =pam_start, or =NULL. 137 */ 138