crypto/openssl/crypto/x509/x509_txt.c

   1 /* crypto/x509/x509_txt.c */
   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 <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     case X509_V_OK:
  77         return ("ok");
  78     case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
  79         return ("unable to get issuer certificate");
  80     case X509_V_ERR_UNABLE_TO_GET_CRL:
  81         return ("unable to get certificate CRL");
  82     case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
  83         return ("unable to decrypt certificate's signature");
  84     case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
  85         return ("unable to decrypt CRL's signature");
  86     case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
  87         return ("unable to decode issuer public key");
  88     case X509_V_ERR_CERT_SIGNATURE_FAILURE:
  89         return ("certificate signature failure");
  90     case X509_V_ERR_CRL_SIGNATURE_FAILURE:
  91         return ("CRL signature failure");
  92     case X509_V_ERR_CERT_NOT_YET_VALID:
  93         return ("certificate is not yet valid");
  94     case X509_V_ERR_CRL_NOT_YET_VALID:
  95         return ("CRL is not yet valid");
  96     case X509_V_ERR_CERT_HAS_EXPIRED:
  97         return ("certificate has expired");
  98     case X509_V_ERR_CRL_HAS_EXPIRED:
  99         return ("CRL has expired");
 100     case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
 101         return ("format error in certificate's notBefore field");
 102     case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
 103         return ("format error in certificate's notAfter field");
 104     case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
 105         return ("format error in CRL's lastUpdate field");
 106     case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
 107         return ("format error in CRL's nextUpdate field");
 108     case X509_V_ERR_OUT_OF_MEM:
 109         return ("out of memory");
 110     case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
 111         return ("self signed certificate");
 112     case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
 113         return ("self signed certificate in certificate chain");
 114     case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
 115         return ("unable to get local issuer certificate");
 116     case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
 117         return ("unable to verify the first certificate");
 118     case X509_V_ERR_CERT_CHAIN_TOO_LONG:
 119         return ("certificate chain too long");
 120     case X509_V_ERR_CERT_REVOKED:
 121         return ("certificate revoked");
 122     case X509_V_ERR_INVALID_CA:
 123         return ("invalid CA certificate");
 124     case X509_V_ERR_INVALID_NON_CA:
 125         return ("invalid non-CA certificate (has CA markings)");
 126     case X509_V_ERR_PATH_LENGTH_EXCEEDED:
 127         return ("path length constraint exceeded");
 128     case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED:
 129         return ("proxy path length constraint exceeded");
 130     case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED:
 131         return
 132             ("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     case X509_V_ERR_SUITE_B_INVALID_VERSION:
 188         return ("Suite B: certificate version invalid");
 189     case X509_V_ERR_SUITE_B_INVALID_ALGORITHM:
 190         return ("Suite B: invalid public key algorithm");
 191     case X509_V_ERR_SUITE_B_INVALID_CURVE:
 192         return ("Suite B: invalid ECC curve");
 193     case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM:
 194         return ("Suite B: invalid signature algorithm");
 195     case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED:
 196         return ("Suite B: curve not allowed for this LOS");
 197     case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256:
 198         return ("Suite B: cannot sign P-384 with P-256");
 199
 200     case X509_V_ERR_HOSTNAME_MISMATCH:
 201         return ("Hostname mismatch");
 202     case X509_V_ERR_EMAIL_MISMATCH:
 203         return ("Email address mismatch");
 204     case X509_V_ERR_IP_ADDRESS_MISMATCH:
 205         return ("IP address mismatch");
 206
 207     default:
 208         BIO_snprintf(buf, sizeof buf, "error number %ld", n);
 209         return (buf);
 210     }
 211 }