1/*
2 * Copyright (c) 2000-2004,2006,2011,2013-2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// cssmerrors
27//
28#include <security_cdsa_utilities/cssmerrors.h>
29#include <security_utilities/mach++.h>
30#include <Security/cssmapple.h>
31#include <Security/SecBase.h>
32
33namespace Security {
34
35
36CssmError::CssmError(CSSM_RETURN err) : error(err)
37{
38    SECURITY_EXCEPTION_THROW_CSSM(this, err);
39}
40
41
42const char *CssmError::what() const throw ()
43{
44	return "CSSM exception";
45}
46
47
48OSStatus CssmError::osStatus() const
49{
50	if (error == CSSM_ERRCODE_INVALID_POINTER)
51	{
52		return errSecParam;
53	}
54
55	return error;
56}
57
58
59int CssmError::unixError() const
60{
61	OSStatus err = osStatus();
62
63	// embedded UNIX errno values are returned verbatim
64	if (err >= errSecErrnoBase && err <= errSecErrnoLimit)
65		return err - errSecErrnoBase;
66
67	// re-map certain CSSM errors
68    switch (err) {
69	case CSSM_ERRCODE_MEMORY_ERROR:
70		return ENOMEM;
71	case CSSMERR_APPLEDL_DISK_FULL:
72		return ENOSPC;
73	case CSSMERR_APPLEDL_QUOTA_EXCEEDED:
74		return EDQUOT;
75	case CSSMERR_APPLEDL_FILE_TOO_BIG:
76		return EFBIG;
77	default:
78		// cannot map this to errno space
79		return -1;
80    }
81}
82
83
84void CssmError::throwMe(CSSM_RETURN err)
85{
86	throw CssmError(err);
87}
88
89
90CSSM_RETURN CssmError::merge(CSSM_RETURN error, CSSM_RETURN base)
91{
92	if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
93		return base + error;
94	} else {
95		return error;
96	}
97}
98
99//
100// Get a CSSM_RETURN from a CommonError
101//
102CSSM_RETURN CssmError::cssmError(const CommonError &error, CSSM_RETURN base)
103{
104	if (const CssmError *cssm = dynamic_cast<const CssmError *>(&error)) {
105		return cssmError(cssm->error, base);
106	} else if (const MachPlusPlus::Error *mach = dynamic_cast<const MachPlusPlus::Error *>(&error)) {
107		switch (mach->error) {
108		case BOOTSTRAP_UNKNOWN_SERVICE:
109		case MIG_SERVER_DIED:
110			return CSSM_ERRCODE_SERVICE_NOT_AVAILABLE;
111		default:
112			return CSSM_ERRCODE_INTERNAL_ERROR;
113		}
114	} else {
115		return error.osStatus();
116	}
117}
118
119CSSM_RETURN CssmError::cssmError(CSSM_RETURN error, CSSM_RETURN base)
120{
121    if (0 < error && error < CSSM_ERRORCODE_COMMON_EXTENT) {
122        return base + error;
123    } else {
124        return error;
125    }
126}
127
128
129}   // namespace Security
130