x_crl.c | Explore in Territory

/* Copyright (C) 1995-1998 Eric Young ([email protected])
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young ([email protected]).
 * The implementation was written so as to conform with Netscapes SSL.
 *
 * This library is free for commercial and non-commercial use as long as
 * the following conditions are aheared to.  The following conditions
 * apply to all code found in this distribution, be it the RC4, RSA,
 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
 * included with this distribution is covered by the same copyright terms
 * except that the holder is Tim Hudson ([email protected]).
 *
 * Copyright remains Eric Young's, and as such any Copyright notices in
 * the code are not to be removed.
 * If this package is used in a product, Eric Young should be given attribution
 * as the author of the parts of the library used.
 * This can be in the form of a textual message at program startup or
 * in documentation (online or textual) provided with the package.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     Eric Young ([email protected])"
 *    The word 'cryptographic' can be left out if the rouines from the library
 *    being used are not cryptographic related :-).
 * 4. If you include any Windows specific code (or a derivative thereof) from
 *    the apps directory (application code) you must include an acknowledgement:
 *    "This product includes software written by Tim Hudson ([email protected])"
 *
 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * The licence and distribution terms for any publically available version or
 * derivative of this code cannot be changed.  i.e. this code cannot simply be
 * copied and put under another distribution licence
 * [including the GNU Public Licence.] */

#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/digest.h>
#include <openssl/err.h>
#include <openssl/mem.h>
#include <openssl/obj.h>
#include <openssl/stack.h>
#include <openssl/thread.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>

#include <assert.h>

#include "../asn1/internal.h"
#include "../internal.h"
#include "internal.h"

static int X509_REVOKED_cmp(const X509_REVOKED *const *a,
                            const X509_REVOKED *const *b);
static int setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp);

ASN1_SEQUENCE(X509_REVOKED) = … ASN1_SEQUENCE_END(X509_REVOKED)

static int crl_lookup(X509_CRL *crl, X509_REVOKED **ret,
                      const ASN1_INTEGER *serial, X509_NAME *issuer);

// The X509_CRL_INFO structure needs a bit of customisation. Since we cache
// the original encoding the signature wont be affected by reordering of the
// revoked field.
static int crl_inf_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
                      void *exarg) { … }


ASN1_SEQUENCE_enc(X509_CRL_INFO, enc, crl_inf_cb) = … ASN1_SEQUENCE_END_enc(X509_CRL_INFO, X509_CRL_INFO)

static int crl_parse_entry_extensions(X509_CRL *crl) { … }

// The X509_CRL structure needs a bit of customisation. Cache some extensions
// and hash of the whole CRL.
static int crl_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it,
                  void *exarg) { … }

// Convert IDP into a more convenient form
//
// TODO(davidben): Each of these flags are already booleans, so this is not
// really more convenient. We can probably remove |idp_flags|.
static int setup_idp(X509_CRL *crl, ISSUING_DIST_POINT *idp) { … }

ASN1_SEQUENCE_ref(X509_CRL, crl_cb) = … ASN1_SEQUENCE_END_ref(X509_CRL, X509_CRL)

// Although |X509_REVOKED| contains an |X509_NAME|, it can be const. It is not
// affected by https://crbug.com/boringssl/407 because the  |X509_NAME| does
// not participate in serialization.
IMPLEMENT_ASN1_FUNCTIONS_const(…)
IMPLEMENT_ASN1_DUP_FUNCTION_const(…)

IMPLEMENT_ASN1_FUNCTIONS(…)
IMPLEMENT_ASN1_FUNCTIONS(…)
IMPLEMENT_ASN1_DUP_FUNCTION(…)

static int X509_REVOKED_cmp(const X509_REVOKED *const *a,
                            const X509_REVOKED *const *b) { … }

int X509_CRL_add0_revoked(X509_CRL *crl, X509_REVOKED *rev) { … }

int X509_CRL_verify(X509_CRL *crl, EVP_PKEY *pkey) { … }

int X509_CRL_get0_by_serial(X509_CRL *crl, X509_REVOKED **ret,
                            const ASN1_INTEGER *serial) { … }

int X509_CRL_get0_by_cert(X509_CRL *crl, X509_REVOKED **ret, X509 *x) { … }

static int crl_revoked_issuer_match(X509_CRL *crl, X509_NAME *nm,
                                    X509_REVOKED *rev) { … }

static CRYPTO_MUTEX g_crl_sort_lock = …;

static int crl_lookup(X509_CRL *crl, X509_REVOKED **ret,
                      const ASN1_INTEGER *serial, X509_NAME *issuer) { … }
chromium/third_party/boringssl/src/crypto/x509/x_crl.c
