The previous commit to crypto/stack/*.[ch] pulled the type-safety strings

[thirdparty/openssl.git] / crypto / asn1 / x_crl.c

/* crypto/asn1/x_crl.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
 * All rights reserved.
 *
 * This package is an SSL implementation written
 * by Eric Young (eay@cryptsoft.com).
 * 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 (tjh@cryptsoft.com).
 * 
 * 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 (eay@cryptsoft.com)"
 *    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 (tjh@cryptsoft.com)"
 * 
 * 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 <stdio.h>
#include "cryptlib.h"
#include <openssl/asn1_mac.h>
#include <openssl/x509.h>

static int X509_REVOKED_cmp(const X509_REVOKED * const *a,
                                const X509_REVOKED * const *b);
static int X509_REVOKED_seq_cmp(const X509_REVOKED * const *a,
                                const X509_REVOKED * const *b);
int i2d_X509_REVOKED(X509_REVOKED *a, unsigned char **pp)
        {
        M_ASN1_I2D_vars(a);

        M_ASN1_I2D_len(a->serialNumber,i2d_ASN1_INTEGER);
        M_ASN1_I2D_len(a->revocationDate,i2d_ASN1_TIME);
        M_ASN1_I2D_len_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
                                         i2d_X509_EXTENSION);

        M_ASN1_I2D_seq_total();

        M_ASN1_I2D_put(a->serialNumber,i2d_ASN1_INTEGER);
        M_ASN1_I2D_put(a->revocationDate,i2d_ASN1_TIME);
        M_ASN1_I2D_put_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
                                         i2d_X509_EXTENSION);

        M_ASN1_I2D_finish();
        }

X509_REVOKED *d2i_X509_REVOKED(X509_REVOKED **a, unsigned char **pp,
             long length)
        {
        M_ASN1_D2I_vars(a,X509_REVOKED *,X509_REVOKED_new);

        M_ASN1_D2I_Init();
        M_ASN1_D2I_start_sequence();
        M_ASN1_D2I_get(ret->serialNumber,d2i_ASN1_INTEGER);
        M_ASN1_D2I_get(ret->revocationDate,d2i_ASN1_TIME);
        M_ASN1_D2I_get_seq_opt_type(X509_EXTENSION,ret->extensions,
                                    d2i_X509_EXTENSION,X509_EXTENSION_free);
        M_ASN1_D2I_Finish(a,X509_REVOKED_free,ASN1_F_D2I_X509_REVOKED);
        }

int i2d_X509_CRL_INFO(X509_CRL_INFO *a, unsigned char **pp)
        {
        int v1=0;
        long l=0;
        int (*old_cmp)(const X509_REVOKED * const *,
                        const X509_REVOKED * const *);
        M_ASN1_I2D_vars(a);
        
        old_cmp=sk_X509_REVOKED_set_cmp_func(a->revoked,X509_REVOKED_seq_cmp);
        sk_X509_REVOKED_sort(a->revoked);
        sk_X509_REVOKED_set_cmp_func(a->revoked,old_cmp);

        if ((a->version != NULL) && ((l=ASN1_INTEGER_get(a->version)) != 0))
                {
                M_ASN1_I2D_len(a->version,i2d_ASN1_INTEGER);
                }
        M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
        M_ASN1_I2D_len(a->issuer,i2d_X509_NAME);
        M_ASN1_I2D_len(a->lastUpdate,i2d_ASN1_TIME);
        if (a->nextUpdate != NULL)
                { M_ASN1_I2D_len(a->nextUpdate,i2d_ASN1_TIME); }
        M_ASN1_I2D_len_SEQUENCE_opt_type(X509_REVOKED,a->revoked,
                                         i2d_X509_REVOKED);
        M_ASN1_I2D_len_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
                                             i2d_X509_EXTENSION,0,
                                             V_ASN1_SEQUENCE,v1);

        M_ASN1_I2D_seq_total();

        if ((a->version != NULL) && (l != 0))
                {
                M_ASN1_I2D_put(a->version,i2d_ASN1_INTEGER);
                }
        M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
        M_ASN1_I2D_put(a->issuer,i2d_X509_NAME);
        M_ASN1_I2D_put(a->lastUpdate,i2d_ASN1_TIME);
        if (a->nextUpdate != NULL)
                { M_ASN1_I2D_put(a->nextUpdate,i2d_ASN1_TIME); }
        M_ASN1_I2D_put_SEQUENCE_opt_type(X509_REVOKED,a->revoked,
                                         i2d_X509_REVOKED);
        M_ASN1_I2D_put_EXP_SEQUENCE_opt_type(X509_EXTENSION,a->extensions,
                                             i2d_X509_EXTENSION,0,
                                             V_ASN1_SEQUENCE,v1);

        M_ASN1_I2D_finish();
        }

X509_CRL_INFO *d2i_X509_CRL_INFO(X509_CRL_INFO **a, unsigned char **pp,
             long length)
        {
        int i,ver=0;
        M_ASN1_D2I_vars(a,X509_CRL_INFO *,X509_CRL_INFO_new);


        M_ASN1_D2I_Init();
        M_ASN1_D2I_start_sequence();
        M_ASN1_D2I_get_opt(ret->version,d2i_ASN1_INTEGER,V_ASN1_INTEGER);
        if (ret->version != NULL)
                ver=ret->version->data[0];
        
        if ((ver == 0) && (ret->version != NULL))
                {
                M_ASN1_INTEGER_free(ret->version);
                ret->version=NULL;
                }
        M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
        M_ASN1_D2I_get(ret->issuer,d2i_X509_NAME);
        M_ASN1_D2I_get(ret->lastUpdate,d2i_ASN1_TIME);
        /* Manually handle the OPTIONAL ASN1_TIME stuff */
        /* First try UTCTime */
        M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_UTCTIME, V_ASN1_UTCTIME);
        /* If that doesn't work try GeneralizedTime */
        if(!ret->nextUpdate) 
                M_ASN1_D2I_get_opt(ret->nextUpdate,d2i_ASN1_GENERALIZEDTIME,
                                                        V_ASN1_GENERALIZEDTIME);
        if (ret->revoked != NULL)
                {
                while (sk_X509_REVOKED_num(ret->revoked))
                        X509_REVOKED_free(sk_X509_REVOKED_pop(ret->revoked));
                }
        M_ASN1_D2I_get_seq_opt_type(X509_REVOKED,ret->revoked,d2i_X509_REVOKED,
                                    X509_REVOKED_free);

        if (ret->revoked != NULL)
                {
                for (i=0; i<sk_X509_REVOKED_num(ret->revoked); i++)
                        {
                        sk_X509_REVOKED_value(ret->revoked,i)->sequence=i;
                        }
                }

        if (ret->extensions != NULL)
                {
                while (sk_X509_EXTENSION_num(ret->extensions))
                        X509_EXTENSION_free(
                        sk_X509_EXTENSION_pop(ret->extensions));
                }
                
        M_ASN1_D2I_get_EXP_set_opt_type(X509_EXTENSION,ret->extensions,
                                        d2i_X509_EXTENSION,
                                        X509_EXTENSION_free,0,
                                        V_ASN1_SEQUENCE);

        M_ASN1_D2I_Finish(a,X509_CRL_INFO_free,ASN1_F_D2I_X509_CRL_INFO);
        }

int i2d_X509_CRL(X509_CRL *a, unsigned char **pp)
        {
        M_ASN1_I2D_vars(a);

        M_ASN1_I2D_len(a->crl,i2d_X509_CRL_INFO);
        M_ASN1_I2D_len(a->sig_alg,i2d_X509_ALGOR);
        M_ASN1_I2D_len(a->signature,i2d_ASN1_BIT_STRING);

        M_ASN1_I2D_seq_total();

        M_ASN1_I2D_put(a->crl,i2d_X509_CRL_INFO);
        M_ASN1_I2D_put(a->sig_alg,i2d_X509_ALGOR);
        M_ASN1_I2D_put(a->signature,i2d_ASN1_BIT_STRING);

        M_ASN1_I2D_finish();
        }

X509_CRL *d2i_X509_CRL(X509_CRL **a, unsigned char **pp, long length)
        {
        M_ASN1_D2I_vars(a,X509_CRL *,X509_CRL_new);

        M_ASN1_D2I_Init();
        M_ASN1_D2I_start_sequence();
        M_ASN1_D2I_get(ret->crl,d2i_X509_CRL_INFO);
        M_ASN1_D2I_get(ret->sig_alg,d2i_X509_ALGOR);
        M_ASN1_D2I_get(ret->signature,d2i_ASN1_BIT_STRING);

        M_ASN1_D2I_Finish(a,X509_CRL_free,ASN1_F_D2I_X509_CRL);
        }


X509_REVOKED *X509_REVOKED_new(void)
        {
        X509_REVOKED *ret=NULL;
        ASN1_CTX c;

        M_ASN1_New_Malloc(ret,X509_REVOKED);
        M_ASN1_New(ret->serialNumber,M_ASN1_INTEGER_new);
        M_ASN1_New(ret->revocationDate,M_ASN1_UTCTIME_new);
        ret->extensions=NULL;
        return(ret);
        M_ASN1_New_Error(ASN1_F_X509_REVOKED_NEW);
        }

X509_CRL_INFO *X509_CRL_INFO_new(void)
        {
        X509_CRL_INFO *ret=NULL;
        ASN1_CTX c;

        M_ASN1_New_Malloc(ret,X509_CRL_INFO);
        ret->version=NULL;
        M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
        M_ASN1_New(ret->issuer,X509_NAME_new);
        M_ASN1_New(ret->lastUpdate,M_ASN1_UTCTIME_new);
        ret->nextUpdate=NULL;
        M_ASN1_New(ret->revoked,sk_X509_REVOKED_new_null);
        M_ASN1_New(ret->extensions,sk_X509_EXTENSION_new_null);
        sk_X509_REVOKED_set_cmp_func(ret->revoked,X509_REVOKED_cmp);
        return(ret);
        M_ASN1_New_Error(ASN1_F_X509_CRL_INFO_NEW);
        }

X509_CRL *X509_CRL_new(void)
        {
        X509_CRL *ret=NULL;
        ASN1_CTX c;

        M_ASN1_New_Malloc(ret,X509_CRL);
        ret->references=1;
        M_ASN1_New(ret->crl,X509_CRL_INFO_new);
        M_ASN1_New(ret->sig_alg,X509_ALGOR_new);
        M_ASN1_New(ret->signature,M_ASN1_BIT_STRING_new);
        return(ret);
        M_ASN1_New_Error(ASN1_F_X509_CRL_NEW);
        }

void X509_REVOKED_free(X509_REVOKED *a)
        {
        if (a == NULL) return;
        M_ASN1_INTEGER_free(a->serialNumber);
        M_ASN1_UTCTIME_free(a->revocationDate);
        sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
        Free(a);
        }

void X509_CRL_INFO_free(X509_CRL_INFO *a)
        {
        if (a == NULL) return;
        M_ASN1_INTEGER_free(a->version);
        X509_ALGOR_free(a->sig_alg);
        X509_NAME_free(a->issuer);
        M_ASN1_UTCTIME_free(a->lastUpdate);
        if (a->nextUpdate)
                M_ASN1_UTCTIME_free(a->nextUpdate);
        sk_X509_REVOKED_pop_free(a->revoked,X509_REVOKED_free);
        sk_X509_EXTENSION_pop_free(a->extensions,X509_EXTENSION_free);
        Free(a);
        }

void X509_CRL_free(X509_CRL *a)
        {
        int i;

        if (a == NULL) return;

        i=CRYPTO_add(&a->references,-1,CRYPTO_LOCK_X509_CRL);
#ifdef REF_PRINT
        REF_PRINT("X509_CRL",a);
#endif
        if (i > 0) return;
#ifdef REF_CHECK
        if (i < 0)
                {
                fprintf(stderr,"X509_CRL_free, bad reference count\n");
                abort();
                }
#endif

        X509_CRL_INFO_free(a->crl);
        X509_ALGOR_free(a->sig_alg);
        M_ASN1_BIT_STRING_free(a->signature);
        Free(a);
        }

static int X509_REVOKED_cmp(const X509_REVOKED * const *a,
                        const X509_REVOKED * const *b)
        {
        return(ASN1_STRING_cmp(
                (ASN1_STRING *)(*a)->serialNumber,
                (ASN1_STRING *)(*b)->serialNumber));
        }

static int X509_REVOKED_seq_cmp(const X509_REVOKED * const *a,
                                const X509_REVOKED * const *b)
        {
        return((*a)->sequence-(*b)->sequence);
        }

IMPLEMENT_STACK_OF(X509_REVOKED)
IMPLEMENT_ASN1_SET_OF(X509_REVOKED)
IMPLEMENT_STACK_OF(X509_CRL)
IMPLEMENT_ASN1_SET_OF(X509_CRL)