Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 1 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
| 2 | * All rights reserved. |
| 3 | * |
| 4 | * This package is an SSL implementation written |
| 5 | * by Eric Young (eay@cryptsoft.com). |
| 6 | * The implementation was written so as to conform with Netscapes SSL. |
| 7 | * |
| 8 | * This library is free for commercial and non-commercial use as long as |
| 9 | * the following conditions are aheared to. The following conditions |
| 10 | * apply to all code found in this distribution, be it the RC4, RSA, |
| 11 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation |
| 12 | * included with this distribution is covered by the same copyright terms |
| 13 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). |
| 14 | * |
| 15 | * Copyright remains Eric Young's, and as such any Copyright notices in |
| 16 | * the code are not to be removed. |
| 17 | * If this package is used in a product, Eric Young should be given attribution |
| 18 | * as the author of the parts of the library used. |
| 19 | * This can be in the form of a textual message at program startup or |
| 20 | * in documentation (online or textual) provided with the package. |
| 21 | * |
| 22 | * Redistribution and use in source and binary forms, with or without |
| 23 | * modification, are permitted provided that the following conditions |
| 24 | * are met: |
| 25 | * 1. Redistributions of source code must retain the copyright |
| 26 | * notice, this list of conditions and the following disclaimer. |
| 27 | * 2. Redistributions in binary form must reproduce the above copyright |
| 28 | * notice, this list of conditions and the following disclaimer in the |
| 29 | * documentation and/or other materials provided with the distribution. |
| 30 | * 3. All advertising materials mentioning features or use of this software |
| 31 | * must display the following acknowledgement: |
| 32 | * "This product includes cryptographic software written by |
| 33 | * Eric Young (eay@cryptsoft.com)" |
| 34 | * The word 'cryptographic' can be left out if the rouines from the library |
| 35 | * being used are not cryptographic related :-). |
| 36 | * 4. If you include any Windows specific code (or a derivative thereof) from |
| 37 | * the apps directory (application code) you must include an acknowledgement: |
| 38 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
| 39 | * |
| 40 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
| 41 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 43 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
| 44 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 45 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 46 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 47 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 48 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 49 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 50 | * SUCH DAMAGE. |
| 51 | * |
| 52 | * The licence and distribution terms for any publically available version or |
| 53 | * derivative of this code cannot be changed. i.e. this code cannot simply be |
| 54 | * copied and put under another distribution licence |
| 55 | * [including the GNU Public Licence.] */ |
| 56 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 57 | #include <openssl/x509.h> |
| 58 | |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 59 | const char *X509_verify_cert_error_string(long n) |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 60 | { |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 61 | switch ((int)n) { |
| 62 | case X509_V_OK: |
| 63 | return ("ok"); |
| 64 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT: |
| 65 | return ("unable to get issuer certificate"); |
| 66 | case X509_V_ERR_UNABLE_TO_GET_CRL: |
| 67 | return ("unable to get certificate CRL"); |
| 68 | case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE: |
| 69 | return ("unable to decrypt certificate's signature"); |
| 70 | case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE: |
| 71 | return ("unable to decrypt CRL's signature"); |
| 72 | case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY: |
| 73 | return ("unable to decode issuer public key"); |
| 74 | case X509_V_ERR_CERT_SIGNATURE_FAILURE: |
| 75 | return ("certificate signature failure"); |
| 76 | case X509_V_ERR_CRL_SIGNATURE_FAILURE: |
| 77 | return ("CRL signature failure"); |
| 78 | case X509_V_ERR_CERT_NOT_YET_VALID: |
| 79 | return ("certificate is not yet valid"); |
| 80 | case X509_V_ERR_CRL_NOT_YET_VALID: |
| 81 | return ("CRL is not yet valid"); |
| 82 | case X509_V_ERR_CERT_HAS_EXPIRED: |
| 83 | return ("certificate has expired"); |
| 84 | case X509_V_ERR_CRL_HAS_EXPIRED: |
| 85 | return ("CRL has expired"); |
| 86 | case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD: |
| 87 | return ("format error in certificate's notBefore field"); |
| 88 | case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD: |
| 89 | return ("format error in certificate's notAfter field"); |
| 90 | case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD: |
| 91 | return ("format error in CRL's lastUpdate field"); |
| 92 | case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD: |
| 93 | return ("format error in CRL's nextUpdate field"); |
| 94 | case X509_V_ERR_OUT_OF_MEM: |
| 95 | return ("out of memory"); |
| 96 | case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT: |
| 97 | return ("self signed certificate"); |
| 98 | case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN: |
| 99 | return ("self signed certificate in certificate chain"); |
| 100 | case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY: |
| 101 | return ("unable to get local issuer certificate"); |
| 102 | case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE: |
| 103 | return ("unable to verify the first certificate"); |
| 104 | case X509_V_ERR_CERT_CHAIN_TOO_LONG: |
| 105 | return ("certificate chain too long"); |
| 106 | case X509_V_ERR_CERT_REVOKED: |
| 107 | return ("certificate revoked"); |
| 108 | case X509_V_ERR_INVALID_CA: |
| 109 | return ("invalid CA certificate"); |
| 110 | case X509_V_ERR_INVALID_NON_CA: |
| 111 | return ("invalid non-CA certificate (has CA markings)"); |
| 112 | case X509_V_ERR_PATH_LENGTH_EXCEEDED: |
| 113 | return ("path length constraint exceeded"); |
| 114 | case X509_V_ERR_PROXY_PATH_LENGTH_EXCEEDED: |
| 115 | return ("proxy path length constraint exceeded"); |
| 116 | case X509_V_ERR_PROXY_CERTIFICATES_NOT_ALLOWED: |
| 117 | return |
| 118 | ("proxy certificates not allowed, please set the appropriate flag"); |
| 119 | case X509_V_ERR_INVALID_PURPOSE: |
| 120 | return ("unsupported certificate purpose"); |
| 121 | case X509_V_ERR_CERT_UNTRUSTED: |
| 122 | return ("certificate not trusted"); |
| 123 | case X509_V_ERR_CERT_REJECTED: |
| 124 | return ("certificate rejected"); |
| 125 | case X509_V_ERR_APPLICATION_VERIFICATION: |
| 126 | return ("application verification failure"); |
| 127 | case X509_V_ERR_SUBJECT_ISSUER_MISMATCH: |
| 128 | return ("subject issuer mismatch"); |
| 129 | case X509_V_ERR_AKID_SKID_MISMATCH: |
| 130 | return ("authority and subject key identifier mismatch"); |
| 131 | case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH: |
| 132 | return ("authority and issuer serial number mismatch"); |
| 133 | case X509_V_ERR_KEYUSAGE_NO_CERTSIGN: |
| 134 | return ("key usage does not include certificate signing"); |
| 135 | case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER: |
| 136 | return ("unable to get CRL issuer certificate"); |
| 137 | case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION: |
| 138 | return ("unhandled critical extension"); |
| 139 | case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN: |
| 140 | return ("key usage does not include CRL signing"); |
| 141 | case X509_V_ERR_KEYUSAGE_NO_DIGITAL_SIGNATURE: |
| 142 | return ("key usage does not include digital signature"); |
| 143 | case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION: |
| 144 | return ("unhandled critical CRL extension"); |
| 145 | case X509_V_ERR_INVALID_EXTENSION: |
| 146 | return ("invalid or inconsistent certificate extension"); |
| 147 | case X509_V_ERR_INVALID_POLICY_EXTENSION: |
| 148 | return ("invalid or inconsistent certificate policy extension"); |
| 149 | case X509_V_ERR_NO_EXPLICIT_POLICY: |
| 150 | return ("no explicit policy"); |
| 151 | case X509_V_ERR_DIFFERENT_CRL_SCOPE: |
| 152 | return ("Different CRL scope"); |
| 153 | case X509_V_ERR_UNSUPPORTED_EXTENSION_FEATURE: |
| 154 | return ("Unsupported extension feature"); |
| 155 | case X509_V_ERR_UNNESTED_RESOURCE: |
| 156 | return ("RFC 3779 resource not subset of parent's resources"); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 157 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 158 | case X509_V_ERR_PERMITTED_VIOLATION: |
| 159 | return ("permitted subtree violation"); |
| 160 | case X509_V_ERR_EXCLUDED_VIOLATION: |
| 161 | return ("excluded subtree violation"); |
| 162 | case X509_V_ERR_SUBTREE_MINMAX: |
| 163 | return ("name constraints minimum and maximum not supported"); |
| 164 | case X509_V_ERR_UNSUPPORTED_CONSTRAINT_TYPE: |
| 165 | return ("unsupported name constraint type"); |
| 166 | case X509_V_ERR_UNSUPPORTED_CONSTRAINT_SYNTAX: |
| 167 | return ("unsupported or invalid name constraint syntax"); |
| 168 | case X509_V_ERR_UNSUPPORTED_NAME_SYNTAX: |
| 169 | return ("unsupported or invalid name syntax"); |
| 170 | case X509_V_ERR_CRL_PATH_VALIDATION_ERROR: |
| 171 | return ("CRL path validation error"); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 172 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 173 | case X509_V_ERR_SUITE_B_INVALID_VERSION: |
| 174 | return ("Suite B: certificate version invalid"); |
| 175 | case X509_V_ERR_SUITE_B_INVALID_ALGORITHM: |
| 176 | return ("Suite B: invalid public key algorithm"); |
| 177 | case X509_V_ERR_SUITE_B_INVALID_CURVE: |
| 178 | return ("Suite B: invalid ECC curve"); |
| 179 | case X509_V_ERR_SUITE_B_INVALID_SIGNATURE_ALGORITHM: |
| 180 | return ("Suite B: invalid signature algorithm"); |
| 181 | case X509_V_ERR_SUITE_B_LOS_NOT_ALLOWED: |
| 182 | return ("Suite B: curve not allowed for this LOS"); |
| 183 | case X509_V_ERR_SUITE_B_CANNOT_SIGN_P_384_WITH_P_256: |
| 184 | return ("Suite B: cannot sign P-384 with P-256"); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 185 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 186 | case X509_V_ERR_HOSTNAME_MISMATCH: |
| 187 | return ("Hostname mismatch"); |
| 188 | case X509_V_ERR_EMAIL_MISMATCH: |
| 189 | return ("Email address mismatch"); |
| 190 | case X509_V_ERR_IP_ADDRESS_MISMATCH: |
| 191 | return ("IP address mismatch"); |
Adam Langley | d9e397b | 2015-01-22 14:27:53 -0800 | [diff] [blame] | 192 | |
David Benjamin | 6e899c7 | 2016-06-09 18:02:18 -0400 | [diff] [blame] | 193 | case X509_V_ERR_INVALID_CALL: |
| 194 | return ("Invalid certificate verification context"); |
| 195 | case X509_V_ERR_STORE_LOOKUP: |
| 196 | return ("Issuer certificate lookup error"); |
| 197 | |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 198 | case X509_V_ERR_NAME_CONSTRAINTS_WITHOUT_SANS: |
| 199 | return "Issuer has name constraints but leaf has no SANs"; |
| 200 | |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 201 | default: |
Pete Bentley | 0c61efe | 2019-08-13 09:32:23 +0100 | [diff] [blame^] | 202 | return "unknown certificate verification error"; |
David Benjamin | 4969cc9 | 2016-04-22 15:02:23 -0400 | [diff] [blame] | 203 | } |
| 204 | } |