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 71const 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} 212