cd52956357
CA setting in each certificate on the chain is correct. As a side- effect always do the following basic checks on extensions, not just when there's an associated purpose to the check: - if there is an unhandled critical extension (unless the user has chosen to ignore this fault) - if the path length has been exceeded (if one is set at all) - that certain extensions fit the associated purpose (if one has been given)
164 lines
6.7 KiB
C
164 lines
6.7 KiB
C
/* crypto/x509/x509_txt.c */
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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* All rights reserved.
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*
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* This package is an SSL implementation written
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* by Eric Young (eay@cryptsoft.com).
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* The implementation was written so as to conform with Netscapes SSL.
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*
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* This library is free for commercial and non-commercial use as long as
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* the following conditions are aheared to. The following conditions
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* apply to all code found in this distribution, be it the RC4, RSA,
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation
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* included with this distribution is covered by the same copyright terms
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* except that the holder is Tim Hudson (tjh@cryptsoft.com).
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*
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* Copyright remains Eric Young's, and as such any Copyright notices in
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* the code are not to be removed.
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* If this package is used in a product, Eric Young should be given attribution
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* as the author of the parts of the library used.
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* This can be in the form of a textual message at program startup or
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* in documentation (online or textual) provided with the package.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* "This product includes cryptographic software written by
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* Eric Young (eay@cryptsoft.com)"
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* The word 'cryptographic' can be left out if the rouines from the library
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* being used are not cryptographic related :-).
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* 4. If you include any Windows specific code (or a derivative thereof) from
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* the apps directory (application code) you must include an acknowledgement:
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
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*
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* The licence and distribution terms for any publically available version or
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* derivative of this code cannot be changed. i.e. this code cannot simply be
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* copied and put under another distribution licence
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* [including the GNU Public Licence.]
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*/
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#include <stdio.h>
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#include <time.h>
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#include <errno.h>
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#include "cryptlib.h"
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#include <openssl/lhash.h>
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#include <openssl/buffer.h>
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#include <openssl/evp.h>
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#include <openssl/asn1.h>
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#include <openssl/x509.h>
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#include <openssl/objects.h>
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const char *X509_verify_cert_error_string(long n)
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{
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static char buf[100];
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switch ((int)n)
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{
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case X509_V_OK:
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return("ok");
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case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
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return("unable to get issuer certificate");
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case X509_V_ERR_UNABLE_TO_GET_CRL:
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return("unable to get certificate CRL");
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case X509_V_ERR_UNABLE_TO_DECRYPT_CERT_SIGNATURE:
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return("unable to decrypt certificate's signature");
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case X509_V_ERR_UNABLE_TO_DECRYPT_CRL_SIGNATURE:
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return("unable to decrypt CRL's signature");
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case X509_V_ERR_UNABLE_TO_DECODE_ISSUER_PUBLIC_KEY:
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return("unable to decode issuer public key");
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case X509_V_ERR_CERT_SIGNATURE_FAILURE:
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return("certificate signature failure");
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case X509_V_ERR_CRL_SIGNATURE_FAILURE:
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return("CRL signature failure");
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case X509_V_ERR_CERT_NOT_YET_VALID:
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return("certificate is not yet valid");
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case X509_V_ERR_CRL_NOT_YET_VALID:
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return("CRL is not yet valid");
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case X509_V_ERR_CERT_HAS_EXPIRED:
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return("certificate has expired");
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case X509_V_ERR_CRL_HAS_EXPIRED:
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return("CRL has expired");
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case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
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return("format error in certificate's notBefore field");
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case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
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return("format error in certificate's notAfter field");
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case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
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return("format error in CRL's lastUpdate field");
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case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
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return("format error in CRL's nextUpdate field");
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case X509_V_ERR_OUT_OF_MEM:
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return("out of memory");
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case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
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return("self signed certificate");
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case X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN:
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return("self signed certificate in certificate chain");
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case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
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return("unable to get local issuer certificate");
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case X509_V_ERR_UNABLE_TO_VERIFY_LEAF_SIGNATURE:
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return("unable to verify the first certificate");
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case X509_V_ERR_CERT_CHAIN_TOO_LONG:
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return("certificate chain too long");
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case X509_V_ERR_CERT_REVOKED:
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return("certificate revoked");
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case X509_V_ERR_INVALID_CA:
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return ("invalid CA certificate");
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case X509_V_ERR_INVALID_NON_CA:
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return ("invalid non-CA certificate (has CA markings)");
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case X509_V_ERR_PATH_LENGTH_EXCEEDED:
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return ("path length constraint exceeded");
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case X509_V_ERR_INVALID_PURPOSE:
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return ("unsupported certificate purpose");
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case X509_V_ERR_CERT_UNTRUSTED:
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return ("certificate not trusted");
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case X509_V_ERR_CERT_REJECTED:
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return ("certificate rejected");
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case X509_V_ERR_APPLICATION_VERIFICATION:
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return("application verification failure");
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case X509_V_ERR_SUBJECT_ISSUER_MISMATCH:
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return("subject issuer mismatch");
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case X509_V_ERR_AKID_SKID_MISMATCH:
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return("authority and subject key identifier mismatch");
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case X509_V_ERR_AKID_ISSUER_SERIAL_MISMATCH:
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return("authority and issuer serial number mismatch");
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case X509_V_ERR_KEYUSAGE_NO_CERTSIGN:
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return("key usage does not include certificate signing");
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case X509_V_ERR_UNABLE_TO_GET_CRL_ISSUER:
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return("unable to get CRL issuer certificate");
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case X509_V_ERR_UNHANDLED_CRITICAL_EXTENSION:
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return("unhandled critical extension");
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case X509_V_ERR_KEYUSAGE_NO_CRL_SIGN:
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return("key usage does not include CRL signing");
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case X509_V_ERR_UNHANDLED_CRITICAL_CRL_EXTENSION:
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return("unhandled critical CRL extension");
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default:
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BIO_snprintf(buf,sizeof buf,"error number %ld",n);
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return(buf);
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}
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}
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