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                 {
  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_PATH_LENGTH_EXCEEDED:
 126                 return ("path length constraint exceeded");
 127         case X509_V_ERR_INVALID_PURPOSE:
 128                 return ("unsupported certificate purpose");
 129         case X509_V_ERR_CERT_UNTRUSTED:
 130                 return ("certificate not trusted");
 131         case X509_V_ERR_CERT_REJECTED:
 132                 return ("certificate rejected");
 133         case X509_V_ERR_APPLICATION_VERIFICATION:
 134                 return("application verification failure");
 135         case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
 136                 return("subject issuer mismatch");
 137         case X509_V_ERR_AKID_SKID_MISMATCH:
 138                 return("authority and subject key identifier mismatch");
 139         case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
 140                 return("authority and issuer serial number mismatch");
 141         case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
 142                 return("key usage does not include certificate signing");
 143
 144         case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
 145                 return("unable to get CRL issuer certificate");
 146
 147         default:
 148                 sprintf(buf,"error number %ld",n);
 149                 return(buf);
 150                 }
 151         }
 152
 153