1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 #include "secerr.h"
25 #include "sslerr.h"
26 #include "nspr.h"
27 #include "certt.h"
28
29 #include "../diagnose.hxx"
30
31 using namespace xmlsecurity;
32
33 struct ErrDesc {
34 PRErrorCode errNum;
35 const char * errString;
36 };
37
38
39
40 const ErrDesc allDesc[] = {
41
42 #include "certerrors.h"
43
44 };
45
46
47
48 /* Returns a UTF-8 encoded constant error string for "errNum".
49 * Returns NULL of errNum is unknown.
50 */
51 const char *
getCertError(PRErrorCode errNum)52 getCertError(PRErrorCode errNum)
53 {
54 static char sEmpty[] = "";
55 const int numDesc = sizeof(allDesc) / sizeof(ErrDesc);
56 for (int i = 0; i < numDesc; i++)
57 {
58 if (allDesc[i].errNum == errNum)
59 return allDesc[i].errString;
60 }
61
62 return sEmpty;
63 }
64
65 void
printChainFailure(CERTVerifyLog * log)66 printChainFailure(CERTVerifyLog *log)
67 {
68 unsigned long errorFlags = 0;
69 unsigned int depth = (unsigned int)-1;
70 const char * specificError = NULL;
71 const char * issuer = NULL;
72 CERTVerifyLogNode *node = NULL;
73
74 if (log->count > 0)
75 {
76 xmlsec_trace("Bad certification path:");
77 for (node = log->head; node; node = node->next)
78 {
79 if (depth != node->depth)
80 {
81 depth = node->depth;
82 xmlsec_trace("Certificate: %d. %s %s:", depth,
83 node->cert->subjectName,
84 depth ? "[Certificate Authority]": "");
85 }
86 xmlsec_trace(" ERROR %ld: %s", node->error,
87 getCertError(node->error));
88 specificError = NULL;
89 issuer = NULL;
90 switch (node->error)
91 {
92 case SEC_ERROR_INADEQUATE_KEY_USAGE:
93 errorFlags = (unsigned long)node->arg;
94 switch (errorFlags)
95 {
96 case KU_DIGITAL_SIGNATURE:
97 specificError = "Certificate cannot sign.";
98 break;
99 case KU_KEY_ENCIPHERMENT:
100 specificError = "Certificate cannot encrypt.";
101 break;
102 case KU_KEY_CERT_SIGN:
103 specificError = "Certificate cannot sign other certs.";
104 break;
105 default:
106 specificError = "[unknown usage].";
107 break;
108 }
109 case SEC_ERROR_INADEQUATE_CERT_TYPE:
110 errorFlags = (unsigned long)node->arg;
111 switch (errorFlags)
112 {
113 case NS_CERT_TYPE_SSL_CLIENT:
114 case NS_CERT_TYPE_SSL_SERVER:
115 specificError = "Certificate cannot be used for SSL.";
116 break;
117 case NS_CERT_TYPE_SSL_CA:
118 specificError = "Certificate cannot be used as an SSL CA.";
119 break;
120 case NS_CERT_TYPE_EMAIL:
121 specificError = "Certificate cannot be used for SMIME.";
122 break;
123 case NS_CERT_TYPE_EMAIL_CA:
124 specificError = "Certificate cannot be used as an SMIME CA.";
125 break;
126 case NS_CERT_TYPE_OBJECT_SIGNING:
127 specificError = "Certificate cannot be used for object signing.";
128 break;
129 case NS_CERT_TYPE_OBJECT_SIGNING_CA:
130 specificError = "Certificate cannot be used as an object signing CA.";
131 break;
132 default:
133 specificError = "[unknown usage].";
134 break;
135 }
136 case SEC_ERROR_UNKNOWN_ISSUER:
137 specificError = "Unknown issuer:";
138 issuer = node->cert->issuerName;
139 break;
140 case SEC_ERROR_UNTRUSTED_ISSUER:
141 specificError = "Untrusted issuer:";
142 issuer = node->cert->issuerName;
143 break;
144 case SEC_ERROR_EXPIRED_ISSUER_CERTIFICATE:
145 specificError = "Expired issuer certificate:";
146 issuer = node->cert->issuerName;
147 break;
148 default:
149 break;
150 }
151 if (specificError)
152 xmlsec_trace("%s", specificError);
153 if (issuer)
154 xmlsec_trace("%s", issuer);
155 }
156 }
157 }
158