1 /* $OpenBSD: x509_txt.c,v 1.28 2023/02/16 08:38:17 tb Exp $ */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59 #include <openssl/x509_vfy.h>
60
61 const char *
X509_verify_cert_error_string(long n)62 X509_verify_cert_error_string(long n)
63 {
64 switch ((int)n) {
65 case X509_V_OK:
66 return "ok";
67 case X509_V_ERR_UNSPECIFIED:
68 return "Unspecified certificate verification error";
69 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
70 return "unable to get issuer certificate";
71 case X509_V_ERR_UNABLE_TO_GET_CRL:
72 return "unable to get certificate CRL";
73 case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
74 return "unable to decrypt certificate's signature";
75 case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
76 return "unable to decrypt CRL's signature";
77 case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
78 return "unable to decode issuer public key";
79 case X509_V_ERR_CERT_SIGNATURE_FAILURE:
80 return "certificate signature failure";
81 case X509_V_ERR_CRL_SIGNATURE_FAILURE:
82 return "CRL signature failure";
83 case X509_V_ERR_CERT_NOT_YET_VALID:
84 return "certificate is not yet valid";
85 case X509_V_ERR_CERT_HAS_EXPIRED:
86 return "certificate has expired";
87 case X509_V_ERR_CRL_NOT_YET_VALID:
88 return "CRL is not yet valid";
89 case X509_V_ERR_CRL_HAS_EXPIRED:
90 return "CRL has expired";
91 case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
92 return "format error in certificate's notBefore field";
93 case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
94 return "format error in certificate's notAfter field";
95 case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
96 return "format error in CRL's lastUpdate field";
97 case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
98 return "format error in CRL's nextUpdate field";
99 case X509_V_ERR_OUT_OF_MEM:
100 return "out of memory";
101 case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
102 return "self signed certificate";
103 case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
104 return "self signed certificate in certificate chain";
105 case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
106 return "unable to get local issuer certificate";
107 case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
108 return "unable to verify the first certificate";
109 case X509_V_ERR_CERT_CHAIN_TOO_LONG:
110 return "certificate chain too long";
111 case X509_V_ERR_CERT_REVOKED:
112 return "certificate revoked";
113 case X509_V_ERR_INVALID_CA:
114 return "invalid CA certificate";
115 case X509_V_ERR_PATH_LENGTH_EXCEEDED:
116 return "path length constraint exceeded";
117 case X509_V_ERR_INVALID_PURPOSE:
118 return "unsupported certificate purpose";
119 case X509_V_ERR_CERT_UNTRUSTED:
120 return "certificate not trusted";
121 case X509_V_ERR_CERT_REJECTED:
122 return "certificate rejected";
123 case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
124 return "subject issuer mismatch";
125 case X509_V_ERR_AKID_SKID_MISMATCH:
126 return "authority and subject key identifier mismatch";
127 case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
128 return "authority and issuer serial number mismatch";
129 case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
130 return "key usage does not include certificate signing";
131 case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
132 return "unable to get CRL issuer certificate";
133 case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
134 return "unhandled critical extension";
135 case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
136 return "key usage does not include CRL signing";
137 case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
138 return "unhandled critical CRL extension";
139 case X509_V_ERR_INVALID_NON_CA:
140 return "invalid non-CA certificate (has CA markings)";
141 case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
142 return "proxy path length constraint exceeded";
143 case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
144 return "key usage does not include digital signature";
145 case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
146 return "proxy certificates not allowed, "
147 "please set the appropriate flag";
148 case X509_V_ERR_INVALID_EXTENSION:
149 return "invalid or inconsistent certificate extension";
150 case X509_V_ERR_INVALID_POLICY_EXTENSION:
151 return "invalid or inconsistent certificate policy extension";
152 case X509_V_ERR_NO_EXPLICIT_POLICY:
153 return "no explicit policy";
154 case X509_V_ERR_DIFFERENT_CRL_SCOPE:
155 return "Different CRL scope";
156 case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
157 return "Unsupported extension feature";
158 case X509_V_ERR_UNNESTED_RESOURCE:
159 return "RFC 3779 resource not subset of parent's resources";
160 case X509_V_ERR_PERMITTED_VIOLATION:
161 return "permitted subtree violation";
162 case X509_V_ERR_EXCLUDED_VIOLATION:
163 return "excluded subtree violation";
164 case X509_V_ERR_SUBTREE_MINMAX:
165 return "name constraints minimum and maximum not supported";
166 case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
167 return "unsupported name constraint type";
168 case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
169 return "unsupported or invalid name constraint syntax";
170 case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
171 return "unsupported or invalid name syntax";
172 case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
173 return "CRL path validation error";
174 case X509_V_ERR_APPLICATION_VERIFICATION:
175 return "application verification failure";
176 case X509_V_ERR_HOSTNAME_MISMATCH:
177 return "Hostname mismatch";
178 case X509_V_ERR_EMAIL_MISMATCH:
179 return "Email address mismatch";
180 case X509_V_ERR_IP_ADDRESS_MISMATCH:
181 return "IP address mismatch";
182 case X509_V_ERR_INVALID_CALL:
183 return "Invalid certificate verification context";
184 case X509_V_ERR_STORE_LOOKUP:
185 return "Issuer certificate lookup error";
186 case X509_V_ERR_EE_KEY_TOO_SMALL:
187 return "EE certificate key too weak";
188 case X509_V_ERR_CA_KEY_TOO_SMALL:
189 return "CA certificate key too weak";
190 case X509_V_ERR_CA_MD_TOO_WEAK:
191 return "CA signature digest algorithm too weak";
192 default:
193 return "Unknown certificate verification error";
194 }
195 }
196 LCRYPTO_ALIAS(X509_verify_cert_error_string);
197