Coverage Report

Created: 2025-12-04 06:33

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/openssl30/crypto/x509/x509_txt.c
Line
Count
Source
1
/*
2
 * Copyright 1995-2023 The OpenSSL Project Authors. All Rights Reserved.
3
 *
4
 * Licensed under the Apache License 2.0 (the "License").  You may not use
5
 * this file except in compliance with the License.  You can obtain a copy
6
 * in the file LICENSE in the source distribution or at
7
 * https://www.openssl.org/source/license.html
8
 */
9
10
#include <stdio.h>
11
#include <time.h>
12
#include <errno.h>
13
14
#include "internal/cryptlib.h"
15
#include <openssl/buffer.h>
16
#include <openssl/evp.h>
17
#include <openssl/asn1.h>
18
#include <openssl/x509.h>
19
#include <openssl/objects.h>
20
21
const char *X509_verify_cert_error_string(long n)
22
397
{
23
397
    switch ((int)n) {
24
339
    case X509_V_OK:
25
339
        return "ok";
26
0
    case X509_V_ERR_UNSPECIFIED:
27
0
        return "unspecified certificate verification error";
28
0
    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
29
0
        return "unable to get issuer certificate";
30
0
    case X509_V_ERR_UNABLE_TO_GET_CRL:
31
0
        return "unable to get certificate CRL";
32
1
    case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
33
1
        return "unable to decrypt certificate's signature";
34
0
    case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
35
0
        return "unable to decrypt CRL's signature";
36
0
    case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
37
0
        return "unable to decode issuer public key";
38
0
    case X509_V_ERR_CERT_SIGNATURE_FAILURE:
39
0
        return "certificate signature failure";
40
1
    case X509_V_ERR_CRL_SIGNATURE_FAILURE:
41
1
        return "CRL signature failure";
42
1
    case X509_V_ERR_CERT_NOT_YET_VALID:
43
1
        return "certificate is not yet valid";
44
1
    case X509_V_ERR_CERT_HAS_EXPIRED:
45
1
        return "certificate has expired";
46
0
    case X509_V_ERR_CRL_NOT_YET_VALID:
47
0
        return "CRL is not yet valid";
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0
    case X509_V_ERR_CRL_HAS_EXPIRED:
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0
        return "CRL has expired";
50
0
    case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
51
0
        return "format error in certificate's notBefore field";
52
1
    case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
53
1
        return "format error in certificate's notAfter field";
54
0
    case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
55
0
        return "format error in CRL's lastUpdate field";
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1
    case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
57
1
        return "format error in CRL's nextUpdate field";
58
0
    case X509_V_ERR_OUT_OF_MEM:
59
0
        return "out of memory";
60
1
    case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
61
1
        return "self-signed certificate";
62
0
    case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
63
0
        return "self-signed certificate in certificate chain";
64
0
    case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
65
0
        return "unable to get local issuer certificate";
66
0
    case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
67
0
        return "unable to verify the first certificate";
68
0
    case X509_V_ERR_CERT_CHAIN_TOO_LONG:
69
0
        return "certificate chain too long";
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1
    case X509_V_ERR_CERT_REVOKED:
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1
        return "certificate revoked";
72
0
    case X509_V_ERR_NO_ISSUER_PUBLIC_KEY:
73
0
        return "issuer certificate doesn't have a public key";
74
1
    case X509_V_ERR_PATH_LENGTH_EXCEEDED:
75
1
        return "path length constraint exceeded";
76
0
    case X509_V_ERR_INVALID_PURPOSE:
77
0
        return "unsuitable certificate purpose";
78
1
    case X509_V_ERR_CERT_UNTRUSTED:
79
1
        return "certificate not trusted";
80
0
    case X509_V_ERR_CERT_REJECTED:
81
0
        return "certificate rejected";
82
1
    case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
83
1
        return "subject issuer mismatch";
84
0
    case X509_V_ERR_AKID_SKID_MISMATCH:
85
0
        return "authority and subject key identifier mismatch";
86
0
    case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
87
0
        return "authority and issuer serial number mismatch";
88
1
    case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
89
1
        return "key usage does not include certificate signing";
90
1
    case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
91
1
        return "unable to get CRL issuer certificate";
92
1
    case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
93
1
        return "unhandled critical extension";
94
0
    case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
95
0
        return "key usage does not include CRL signing";
96
1
    case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
97
1
        return "unhandled critical CRL extension";
98
1
    case X509_V_ERR_INVALID_NON_CA:
99
1
        return "invalid non-CA certificate (has CA markings)";
100
1
    case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
101
1
        return "proxy path length constraint exceeded";
102
1
    case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
103
1
        return "key usage does not include digital signature";
104
0
    case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
105
0
        return
106
0
            "proxy certificates not allowed, please set the appropriate flag";
107
0
    case X509_V_ERR_INVALID_EXTENSION:
108
0
        return "invalid or inconsistent certificate extension";
109
0
    case X509_V_ERR_INVALID_POLICY_EXTENSION:
110
0
        return "invalid or inconsistent certificate policy extension";
111
0
    case X509_V_ERR_NO_EXPLICIT_POLICY:
112
0
        return "no explicit policy";
113
0
    case X509_V_ERR_DIFFERENT_CRL_SCOPE:
114
0
        return "different CRL scope";
115
1
    case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
116
1
        return "unsupported extension feature";
117
0
    case X509_V_ERR_UNNESTED_RESOURCE:
118
0
        return "RFC 3779 resource not subset of parent's resources";
119
0
    case X509_V_ERR_PERMITTED_VIOLATION:
120
0
        return "permitted subtree violation";
121
1
    case X509_V_ERR_EXCLUDED_VIOLATION:
122
1
        return "excluded subtree violation";
123
1
    case X509_V_ERR_SUBTREE_MINMAX:
124
1
        return "name constraints minimum and maximum not supported";
125
0
    case X509_V_ERR_APPLICATION_VERIFICATION:
126
0
        return "application verification failure";
127
0
    case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
128
0
        return "unsupported name constraint type";
129
0
    case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
130
0
        return "unsupported or invalid name constraint syntax";
131
0
    case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
132
0
        return "unsupported or invalid name syntax";
133
0
    case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
134
0
        return "CRL path validation error";
135
1
    case X509_V_ERR_PATH_LOOP:
136
1
        return "path loop";
137
0
    case X509_V_ERR_SUITE_B_INVALID_VERSION:
138
0
        return "Suite B: certificate version invalid";
139
1
    case X509_V_ERR_SUITE_B_INVALID_ALGORITHM:
140
1
        return "Suite B: invalid public key algorithm";
141
1
    case X509_V_ERR_SUITE_B_INVALID_CURVE:
142
1
        return "Suite B: invalid ECC curve";
143
0
    case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM:
144
0
        return "Suite B: invalid signature algorithm";
145
0
    case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED:
146
0
        return "Suite B: curve not allowed for this LOS";
147
0
    case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256:
148
0
        return "Suite B: cannot sign P-384 with P-256";
149
0
    case X509_V_ERR_HOSTNAME_MISMATCH:
150
0
        return "hostname mismatch";
151
1
    case X509_V_ERR_EMAIL_MISMATCH:
152
1
        return "email address mismatch";
153
2
    case X509_V_ERR_IP_ADDRESS_MISMATCH:
154
2
        return "IP address mismatch";
155
0
    case X509_V_ERR_DANE_NO_MATCH:
156
0
        return "no matching DANE TLSA records";
157
1
    case X509_V_ERR_EE_KEY_TOO_SMALL:
158
1
        return "EE certificate key too weak";
159
1
    case X509_V_ERR_CA_KEY_TOO_SMALL:
160
1
        return "CA certificate key too weak";
161
0
    case X509_V_ERR_CA_MD_TOO_WEAK:
162
0
        return "CA signature digest algorithm too weak";
163
1
    case X509_V_ERR_INVALID_CALL:
164
1
        return "invalid certificate verification context";
165
0
    case X509_V_ERR_STORE_LOOKUP:
166
0
        return "issuer certificate lookup error";
167
0
    case X509_V_ERR_NO_VALID_SCTS:
168
0
        return "Certificate Transparency required, but no valid SCTs found";
169
0
    case X509_V_ERR_PROXY_SUBJECT_NAME_VIOLATION:
170
0
        return "proxy subject name violation";
171
1
    case X509_V_ERR_OCSP_VERIFY_NEEDED:
172
1
        return "OCSP verification needed";
173
0
    case X509_V_ERR_OCSP_VERIFY_FAILED:
174
0
        return "OCSP verification failed";
175
0
    case X509_V_ERR_OCSP_CERT_UNKNOWN:
176
0
        return "OCSP unknown cert";
177
0
    case X509_V_ERR_UNSUPPORTED_SIGNATURE_ALGORITHM:
178
0
        return "Cannot find certificate signature algorithm";
179
1
    case X509_V_ERR_SIGNATURE_ALGORITHM_MISMATCH:
180
1
        return "subject signature algorithm and issuer public key algorithm mismatch";
181
1
    case X509_V_ERR_SIGNATURE_ALGORITHM_INCONSISTENCY:
182
1
        return "cert info signature and signature algorithm mismatch";
183
0
    case X509_V_ERR_INVALID_CA:
184
0
        return "invalid CA certificate";
185
1
    case X509_V_ERR_PATHLEN_INVALID_FOR_NON_CA:
186
1
        return "Path length invalid for non-CA cert";
187
1
    case X509_V_ERR_PATHLEN_WITHOUT_KU_KEY_CERT_SIGN:
188
1
        return "Path length given without key usage keyCertSign";
189
1
    case X509_V_ERR_KU_KEY_CERT_SIGN_INVALID_FOR_NON_CA:
190
1
        return "Key usage keyCertSign invalid for non-CA cert";
191
1
    case X509_V_ERR_ISSUER_NAME_EMPTY:
192
1
        return "Issuer name empty";
193
0
    case X509_V_ERR_SUBJECT_NAME_EMPTY:
194
0
        return "Subject name empty";
195
0
    case X509_V_ERR_MISSING_AUTHORITY_KEY_IDENTIFIER:
196
0
        return "Missing Authority Key Identifier";
197
1
    case X509_V_ERR_MISSING_SUBJECT_KEY_IDENTIFIER:
198
1
        return "Missing Subject Key Identifier";
199
1
    case X509_V_ERR_EMPTY_SUBJECT_ALT_NAME:
200
1
        return "Empty Subject Alternative Name extension";
201
0
    case X509_V_ERR_CA_BCONS_NOT_CRITICAL:
202
0
        return "Basic Constraints of CA cert not marked critical";
203
1
    case X509_V_ERR_EMPTY_SUBJECT_SAN_NOT_CRITICAL:
204
1
        return "Subject empty and Subject Alt Name extension not critical";
205
0
    case X509_V_ERR_AUTHORITY_KEY_IDENTIFIER_CRITICAL:
206
0
        return "Authority Key Identifier marked critical";
207
1
    case X509_V_ERR_SUBJECT_KEY_IDENTIFIER_CRITICAL:
208
1
        return "Subject Key Identifier marked critical";
209
1
    case X509_V_ERR_CA_CERT_MISSING_KEY_USAGE:
210
1
        return "CA cert does not include key usage extension";
211
0
    case X509_V_ERR_EXTENSIONS_REQUIRE_VERSION_3:
212
0
        return "Using cert extension requires at least X509v3";
213
1
    case X509_V_ERR_EC_KEY_EXPLICIT_PARAMS:
214
1
        return "Certificate public key has explicit ECC parameters";
215
216
        /*
217
         * Entries must be kept consistent with include/openssl/x509_vfy.h.in
218
         * and with doc/man3/X509_STORE_CTX_get_error.pod
219
         */
220
221
15
    default:
222
        /* Printing an error number into a static buffer is not thread-safe */
223
15
        return "unknown certificate verification error";
224
397
    }
225
397
}