1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
|
/* $Id: x509-sanity.cpp $ */
/** @file
* IPRT - Crypto - X.509, Sanity Checkers.
*/
/*
* Copyright (C) 2006-2019 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL) only, as it comes in the "COPYING.CDDL" file of the
* VirtualBox OSE distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include "internal/iprt.h"
#include <iprt/crypto/x509.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include "x509-internal.h"
static int rtCrX509Validity_CheckSanityExtra(PCRTCRX509VALIDITY pThis, uint32_t fFlags, PRTERRINFO pErrInfo, const char *pszErrorTag)
{
RT_NOREF_PV(fFlags);
if (RTAsn1Time_Compare(&pThis->NotBefore, &pThis->NotAfter) > 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_VALIDITY_SWAPPED, "%s: NotBefore is after NotAfter", pszErrorTag);
/** @todo check tag constraints? */
return VINF_SUCCESS;
}
static int rtCrX509Name_CheckSanityExtra(PCRTCRX509NAME pThis, uint32_t fFlags, PRTERRINFO pErrInfo, const char *pszErrorTag)
{
RT_NOREF_PV(fFlags);
if (pThis->cItems == 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_NAME_EMPTY_SET, "%s: Has no components.", pszErrorTag);
for (uint32_t i = 0; i < pThis->cItems; i++)
{
PCRTCRX509RELATIVEDISTINGUISHEDNAME const pRdn = pThis->papItems[i];
if (pRdn->cItems == 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_NAME_EMPTY_SUB_SET,
"%s: Items[%u] has no sub components.", pszErrorTag, i);
for (uint32_t j = 0; j < pRdn->cItems; j++)
{
PCRTCRX509ATTRIBUTETYPEANDVALUE const pAttr = pRdn->papItems[j];
if (pAttr->Value.enmType != RTASN1TYPE_STRING)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_NAME_NOT_STRING,
"%s: Items[%u].paItems[%u].enmType is %d instead of string (%d).",
pszErrorTag, i, j, pAttr->Value.enmType, RTASN1TYPE_STRING);
if (pAttr->Value.u.String.Asn1Core.cb == 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_NAME_EMPTY_STRING,
"%s: Items[%u].paItems[%u] is an empty string", pszErrorTag, i, j);
switch (pAttr->Value.u.String.Asn1Core.uTag)
{
case ASN1_TAG_PRINTABLE_STRING:
case ASN1_TAG_UTF8_STRING:
break;
case ASN1_TAG_T61_STRING:
case ASN1_TAG_UNIVERSAL_STRING:
case ASN1_TAG_BMP_STRING:
break;
case ASN1_TAG_IA5_STRING: /* Used by "Microsoft Root Certificate Authority" in the "com" part of the Issuer. */
break;
default:
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_INVALID_NAME_STRING_TAG,
"%s: Items[%u].paItems[%u] invalid string type: %u", pszErrorTag, i, j,
pAttr->Value.u.String.Asn1Core.uTag);
}
}
}
return VINF_SUCCESS;
}
static int rtCrX509SubjectPublicKeyInfo_CheckSanityExtra(PCRTCRX509SUBJECTPUBLICKEYINFO pThis, uint32_t fFlags,
PRTERRINFO pErrInfo, const char *pszErrorTag)
{
RT_NOREF_PV(fFlags);
if (pThis->SubjectPublicKey.cBits <= 32)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_PUBLIC_KEY_TOO_SMALL,
"%s: SubjectPublicKey is too small, only %u bits", pszErrorTag, pThis->SubjectPublicKey.cBits);
return VINF_SUCCESS;
}
static int rtCrX509TbsCertificate_CheckSanityExtra(PCRTCRX509TBSCERTIFICATE pThis, uint32_t fFlags,
PRTERRINFO pErrInfo, const char *pszErrorTag)
{
RT_NOREF_PV(fFlags);
if ( RTAsn1Integer_IsPresent(&pThis->T0.Version)
&& RTAsn1Integer_UnsignedCompareWithU32(&pThis->T0.Version, RTCRX509TBSCERTIFICATE_V1) != 0
&& RTAsn1Integer_UnsignedCompareWithU32(&pThis->T0.Version, RTCRX509TBSCERTIFICATE_V2) != 0
&& RTAsn1Integer_UnsignedCompareWithU32(&pThis->T0.Version, RTCRX509TBSCERTIFICATE_V3) != 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_TBSCERT_UNSUPPORTED_VERSION,
"%s: Unknown Version number: %llu",
pszErrorTag, pThis->T0.Version.uValue.u);
if ( pThis->SerialNumber.Asn1Core.cb < 1
|| pThis->SerialNumber.Asn1Core.cb > 1024)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_TBSCERT_SERIAL_NUMBER_OUT_OF_BOUNDS,
"%s: Bad SerialNumber length: %u", pszErrorTag, pThis->SerialNumber.Asn1Core.cb);
if ( ( RTAsn1BitString_IsPresent(&pThis->T1.IssuerUniqueId)
|| RTAsn1BitString_IsPresent(&pThis->T2.SubjectUniqueId))
&& RTAsn1Integer_UnsignedCompareWithU32(&pThis->T0.Version, RTCRX509TBSCERTIFICATE_V2) < 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_TBSCERT_UNIQUE_IDS_REQ_V2,
"%s: IssuerUniqueId and SubjectUniqueId requires version 2", pszErrorTag);
if ( RTCrX509Extensions_IsPresent(&pThis->T3.Extensions)
&& RTAsn1Integer_UnsignedCompareWithU32(&pThis->T0.Version, RTCRX509TBSCERTIFICATE_V3) < 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_TBSCERT_EXTS_REQ_V3, "%s: Extensions requires version 3", pszErrorTag);
return VINF_SUCCESS;
}
static int rtCrX509Certificate_CheckSanityExtra(PCRTCRX509CERTIFICATE pThis, uint32_t fFlags,
PRTERRINFO pErrInfo, const char *pszErrorTag)
{
RT_NOREF_PV(fFlags);
if (RTCrX509AlgorithmIdentifier_Compare(&pThis->SignatureAlgorithm, &pThis->TbsCertificate.Signature) != 0)
return RTErrInfoSetF(pErrInfo, VERR_CR_X509_CERT_TBS_SIGN_ALGO_MISMATCH,
"%s: SignatureAlgorithm (%s) does not match TbsCertificate.Signature (%s).", pszErrorTag,
pThis->SignatureAlgorithm.Algorithm.szObjId,
pThis->TbsCertificate.Signature.Algorithm.szObjId);
return VINF_SUCCESS;
}
/*
* Generate the code.
*/
#include <iprt/asn1-generator-sanity.h>
|
