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_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_UNNESTED_RESOURCE: 166 return("RFC 3779 resource not subset of parent's resources"); 167 default: 168 BIO_snprintf(buf,sizeof buf,"error number %ld",n); 169 return(buf); 170 } 171 } 172 173 174