1/*-
2 * Copyright (c) 2002-2003 Networks Associates Technology, Inc.
3 * Copyright (c) 2004-2011 Dag-Erling Sm��rgrav
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
55const char *
56pam_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