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x509_txt.c
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1 /* crypto/x509/x509_txt.c */
2 /* Copyright (C) 1995-1998 Eric Young ([email protected])
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young ([email protected]).
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 ([email protected]).
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 ([email protected])"
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 ([email protected])"
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 <stdio.h>
60 #include <time.h>
61 #include <errno.h>
62 
63 #include "cryptlib.h"
64 #include <openssl/lhash.h>
65 #include <openssl/buffer.h>
66 #include <openssl/evp.h>
67 #include <openssl/asn1.h>
68 #include <openssl/x509.h>
69 #include <openssl/objects.h>
70 
71 const char *X509_verify_cert_error_string(long n)
72  {
73  static char buf[100];
74 
75  switch ((int)n)
76  {
77  case X509_V_OK:
78  return("ok");
79  case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
80  return("unable to get issuer certificate");
81  case X509_V_ERR_UNABLE_TO_GET_CRL:
82  return("unable to get certificate CRL");
83  case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
84  return("unable to decrypt certificate's signature");
85  case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
86  return("unable to decrypt CRL's signature");
87  case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
88  return("unable to decode issuer public key");
89  case X509_V_ERR_CERT_SIGNATURE_FAILURE:
90  return("certificate signature failure");
91  case X509_V_ERR_CRL_SIGNATURE_FAILURE:
92  return("CRL signature failure");
93  case X509_V_ERR_CERT_NOT_YET_VALID:
94  return("certificate is not yet valid");
95  case X509_V_ERR_CRL_NOT_YET_VALID:
96  return("CRL is not yet valid");
97  case X509_V_ERR_CERT_HAS_EXPIRED:
98  return("certificate has expired");
99  case X509_V_ERR_CRL_HAS_EXPIRED:
100  return("CRL has expired");
101  case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
102  return("format error in certificate's notBefore field");
103  case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
104  return("format error in certificate's notAfter field");
105  case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
106  return("format error in CRL's lastUpdate field");
107  case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
108  return("format error in CRL's nextUpdate field");
109  case X509_V_ERR_OUT_OF_MEM:
110  return("out of memory");
111  case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
112  return("self signed certificate");
113  case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
114  return("self signed certificate in certificate chain");
115  case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
116  return("unable to get local issuer certificate");
117  case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
118  return("unable to verify the first certificate");
119  case X509_V_ERR_CERT_CHAIN_TOO_LONG:
120  return("certificate chain too long");
121  case X509_V_ERR_CERT_REVOKED:
122  return("certificate revoked");
123  case X509_V_ERR_INVALID_CA:
124  return ("invalid CA certificate");
125  case X509_V_ERR_INVALID_NON_CA:
126  return ("invalid non-CA certificate (has CA markings)");
127  case X509_V_ERR_PATH_LENGTH_EXCEEDED:
128  return ("path length constraint exceeded");
129  case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
130  return("proxy path length constraint exceeded");
131  case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
132  return("proxy certificates not allowed, please set the appropriate flag");
133  case X509_V_ERR_INVALID_PURPOSE:
134  return ("unsupported certificate purpose");
135  case X509_V_ERR_CERT_UNTRUSTED:
136  return ("certificate not trusted");
137  case X509_V_ERR_CERT_REJECTED:
138  return ("certificate rejected");
139  case X509_V_ERR_APPLICATION_VERIFICATION:
140  return("application verification failure");
141  case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
142  return("subject issuer mismatch");
143  case X509_V_ERR_AKID_SKID_MISMATCH:
144  return("authority and subject key identifier mismatch");
145  case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
146  return("authority and issuer serial number mismatch");
147  case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
148  return("key usage does not include certificate signing");
149  case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
150  return("unable to get CRL issuer certificate");
151  case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
152  return("unhandled critical extension");
153  case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
154  return("key usage does not include CRL signing");
155  case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE:
156  return("key usage does not include digital signature");
157  case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
158  return("unhandled critical CRL extension");
159  case X509_V_ERR_INVALID_EXTENSION:
160  return("invalid or inconsistent certificate extension");
161  case X509_V_ERR_INVALID_POLICY_EXTENSION:
162  return("invalid or inconsistent certificate policy extension");
163  case X509_V_ERR_NO_EXPLICIT_POLICY:
164  return("no explicit policy");
165  case X509_V_ERR_DIFFERENT_CRL_SCOPE:
166  return("Different CRL scope");
167  case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE:
168  return("Unsupported extension feature");
169  case X509_V_ERR_UNNESTED_RESOURCE:
170  return("RFC 3779 resource not subset of parent's resources");
171 
172  case X509_V_ERR_PERMITTED_VIOLATION:
173  return("permitted subtree violation");
174  case X509_V_ERR_EXCLUDED_VIOLATION:
175  return("excluded subtree violation");
176  case X509_V_ERR_SUBTREE_MINMAX:
177  return("name constraints minimum and maximum not supported");
178  case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE:
179  return("unsupported name constraint type");
180  case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX:
181  return("unsupported or invalid name constraint syntax");
182  case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX:
183  return("unsupported or invalid name syntax");
184  case X509_V_ERR_CRL_PATH_VALIDATION_ERROR:
185  return("CRL path validation error");
186 
187  default:
188  BIO_snprintf(buf,sizeof buf,"error number %ld",n);
189  return(buf);
190  }
191  }
192 
193 
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