1 /* crypto/asn1/x_x509.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  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.

    60  */

    61 

    62 #include <stdio.h>

    63 #include "cryptlib.h"

    64 #include <openssl/evp.h>

    65 #include <openssl/asn1t.h>

    66 #include <openssl/x509.h>

    67 #include <openssl/x509v3.h>

    68 

    69 #include "pcy_int.h"

    70 #if (defined(SYMBIAN) && (defined(__WINSCW__) || defined(__WINS__)))

    71 #include "libcrypto_wsd_macros.h"

    72 #include "libcrypto_wsd.h"

    73 #endif

    74 

    75 

    76 

    77 ASN1_SEQUENCE(X509_CINF) = {

    78 	ASN1_EXP_OPT(X509_CINF, version, ASN1_INTEGER, 0),

    79 	ASN1_SIMPLE(X509_CINF, serialNumber, ASN1_INTEGER),

    80 	ASN1_SIMPLE(X509_CINF, signature, X509_ALGOR),

    81 	ASN1_SIMPLE(X509_CINF, issuer, X509_NAME),

    82 	ASN1_SIMPLE(X509_CINF, validity, X509_VAL),

    83 	ASN1_SIMPLE(X509_CINF, subject, X509_NAME),

    84 	ASN1_SIMPLE(X509_CINF, key, X509_PUBKEY),

    85 	ASN1_IMP_OPT(X509_CINF, issuerUID, ASN1_BIT_STRING, 1),

    86 	ASN1_IMP_OPT(X509_CINF, subjectUID, ASN1_BIT_STRING, 2),

    87 	ASN1_EXP_SEQUENCE_OF_OPT(X509_CINF, extensions, X509_EXTENSION, 3)

    88 } ASN1_SEQUENCE_END(X509_CINF)

    89 

    90 IMPLEMENT_ASN1_FUNCTIONS(X509_CINF)

    91 /* X509 top level structure needs a bit of customisation */

    92 

    93 //extern void policy_cache_free(X509_POLICY_CACHE *cache);

    94 

    95 static int x509_cb(int operation, ASN1_VALUE **pval, const ASN1_ITEM *it)

    96 {

    97 	X509 *ret = (X509 *)*pval;

    98 

    99 	switch(operation) {

   100 

   101 		case ASN1_OP_NEW_POST:

   102 		ret->valid=0;

   103 		ret->name = NULL;

   104 		ret->ex_flags = 0;

   105 		ret->ex_pathlen = -1;

   106 		ret->skid = NULL;

   107 		ret->akid = NULL;

   108 		ret->aux = NULL;

   109 		CRYPTO_new_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);

   110 		break;

   111 

   112 		case ASN1_OP_D2I_POST:

   113 		if (ret->name != NULL) OPENSSL_free(ret->name);

   114 		ret->name=X509_NAME_oneline(ret->cert_info->subject,NULL,0);

   115 		break;

   116 

   117 		case ASN1_OP_FREE_POST:

   118 		CRYPTO_free_ex_data(CRYPTO_EX_INDEX_X509, ret, &ret->ex_data);

   119 		X509_CERT_AUX_free(ret->aux);

   120 		ASN1_OCTET_STRING_free(ret->skid);

   121 		AUTHORITY_KEYID_free(ret->akid);

   122 		policy_cache_free(ret->policy_cache);

   123 

   124 		if (ret->name != NULL) OPENSSL_free(ret->name);

   125 		break;

   126 

   127 	}

   128 

   129 	return 1;

   130 

   131 }

   132 

   133 ASN1_SEQUENCE_ref(X509, x509_cb, CRYPTO_LOCK_X509) = {

   134 	ASN1_SIMPLE(X509, cert_info, X509_CINF),

   135 	ASN1_SIMPLE(X509, sig_alg, X509_ALGOR),

   136 	ASN1_SIMPLE(X509, signature, ASN1_BIT_STRING)

   137 } ASN1_SEQUENCE_END_ref(X509, X509)

   138 

   139 IMPLEMENT_ASN1_FUNCTIONS(X509)

   140 IMPLEMENT_ASN1_DUP_FUNCTION(X509)

   141 

   142 #ifndef EMULATOR

   143 static ASN1_METHOD meth=

   144     {

   145     (I2D_OF(void))  i2d_X509,

   146     (D2I_OF(void)) d2i_X509,

   147     (void *(*)(void))X509_new,

   148     (void (*)(void *)) X509_free

   149     };

   150 #else

   151 GET_STATIC_VAR_FROM_TLS(meth,x_x509,ASN1_METHOD)

   152 #define meth (*GET_WSD_VAR_NAME(meth,x_x509, s)())

   153 const ASN1_METHOD temp_s_meth=

   154     {

   155     (I2D_OF(void))  i2d_X509,

   156     (D2I_OF(void)) d2i_X509,

   157     (void *(*)(void))X509_new,

   158     (void (*)(void *)) X509_free

   159     };

   160 #endif

   161 EXPORT_C ASN1_METHOD *X509_asn1_meth(void)

   162 	{

   163 	return(&meth);

   164 	}

   165 

   166 EXPORT_C int X509_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,

   167 	     CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func)

   168         {

   169 	return CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_X509, argl, argp,

   170 				new_func, dup_func, free_func);

   171         }

   172 

   173 EXPORT_C int X509_set_ex_data(X509 *r, int idx, void *arg)

   174 	{

   175 	return(CRYPTO_set_ex_data(&r->ex_data,idx,arg));

   176 	}

   177 

   178 EXPORT_C void *X509_get_ex_data(X509 *r, int idx)

   179 	{

   180 	return(CRYPTO_get_ex_data(&r->ex_data,idx));

   181 	}

   182 

   183 /* X509_AUX ASN1 routines. X509_AUX is the name given to

   184  * a certificate with extra info tagged on the end. Since these

   185  * functions set how a certificate is trusted they should only

   186  * be used when the certificate comes from a reliable source

   187  * such as local storage.

   188  *

   189  */

   190 

   191 EXPORT_C X509 *d2i_X509_AUX(X509 **a, const unsigned char **pp, long length)

   192 {

   193 	const unsigned char *q;

   194 	X509 *ret;

   195 	/* Save start position */

   196 	q = *pp;

   197 	ret = d2i_X509(a, pp, length);

   198 	/* If certificate unreadable then forget it */

   199 	if(!ret) return NULL;

   200 	/* update length */

   201 	length -= *pp - q;

   202 	if(!length) return ret;

   203 	if(!d2i_X509_CERT_AUX(&ret->aux, pp, length)) goto err;

   204 	return ret;

   205 	err:

   206 	X509_free(ret);

   207 	return NULL;

   208 }

   209 

   210 EXPORT_C int i2d_X509_AUX(X509 *a, unsigned char **pp)

   211 {

   212 	int length;

   213 	length = i2d_X509(a, pp);

   214 	if(a) length += i2d_X509_CERT_AUX(a->aux, pp);

   215 	return length;

   216 }