src/parsec/disk-image/parsec/parsec-benchmark/pkgs/libs/ssl/src/crypto/asn1/x_name.c - public/gem5-resources - Git at Google

 /* crypto/asn1/x_name.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/asn1t.h>
 #include <openssl/x509.h>

 static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_ITEM *it,
 					int tag, int aclass, char opt, ASN1_TLC *ctx);

 static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass);
 static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it);
 static void x509_name_ex_free(ASN1_VALUE **val, const ASN1_ITEM *it);

 static int x509_name_encode(X509_NAME *a);

 ASN1_SEQUENCE(X509_NAME_ENTRY) = {
 	ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT),
 	ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE)
 } ASN1_SEQUENCE_END(X509_NAME_ENTRY)

 IMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY)
 IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY)

 /* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY }
  * so declare two template wrappers for this
  */

 ASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) =
 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY)
 ASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES)

 ASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) =
 	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES)
 ASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL)

 /* Normally that's where it would end: we'd have two nested STACK structures
  * representing the ASN1. Unfortunately X509_NAME uses a completely different
  * form and caches encodings so we have to process the internal form and convert
  * to the external form.
  */

 const ASN1_EXTERN_FUNCS x509_name_ff = {
 	NULL,
 	x509_name_ex_new,
 	x509_name_ex_free,
 	0,	/* Default clear behaviour is OK */
 	x509_name_ex_d2i,
 	x509_name_ex_i2d
 };

 IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff)

 IMPLEMENT_ASN1_FUNCTIONS(X509_NAME)
 IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME)

 static int x509_name_ex_new(ASN1_VALUE **val, const ASN1_ITEM *it)
 {
 	X509_NAME *ret = NULL;
 	ret = OPENSSL_malloc(sizeof(X509_NAME));
 	if(!ret) goto memerr;
 	if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
 		goto memerr;
 	if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr;
 	ret->modified=1;
 	*val = (ASN1_VALUE *)ret;
 	return 1;

  memerr:
 	ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE);
 	if (ret)
 		{
 		if (ret->entries)
 			sk_X509_NAME_ENTRY_free(ret->entries);
 		OPENSSL_free(ret);
 		}
 	return 0;
 }

 static void x509_name_ex_free(ASN1_VALUE **pval, const ASN1_ITEM *it)
 {
 	X509_NAME *a;
 	if(!pval || !*pval)
 	    return;
 	a = (X509_NAME *)*pval;

 	BUF_MEM_free(a->bytes);
 	sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
 	OPENSSL_free(a);
 	*pval = NULL;
 }

 /* Used with sk_pop_free() to free up the internal representation.
  * NB: we only free the STACK and not its contents because it is
  * already present in the X509_NAME structure.
  */

 static void sk_internal_free(void *a)
 {
 	sk_free(a);
 }

 static int x509_name_ex_d2i(ASN1_VALUE **val, const unsigned char **in, long len, const ASN1_ITEM *it,
 					int tag, int aclass, char opt, ASN1_TLC *ctx)
 {
 	const unsigned char *p = *in, *q;
 	union { STACK *s; ASN1_VALUE *a; } intname = {NULL};
 	union { X509_NAME *x; ASN1_VALUE *a; } nm = {NULL};
 	int i, j, ret;
 	STACK_OF(X509_NAME_ENTRY) *entries;
 	X509_NAME_ENTRY *entry;
 	q = p;

 	/* Get internal representation of Name */
 	ret = ASN1_item_ex_d2i(&intname.a,
 			       &p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL),
 			       tag, aclass, opt, ctx);

 	if(ret <= 0) return ret;

 	if(*val) x509_name_ex_free(val, NULL);
 	if(!x509_name_ex_new(&nm.a, NULL)) goto err;
 	/* We've decoded it: now cache encoding */
 	if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err;
 	memcpy(nm.x->bytes->data, q, p - q);

 	/* Convert internal representation to X509_NAME structure */
 	for(i = 0; i < sk_num(intname.s); i++) {
 		entries = (STACK_OF(X509_NAME_ENTRY) *)sk_value(intname.s, i);
 		for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) {
 			entry = sk_X509_NAME_ENTRY_value(entries, j);
 			entry->set = i;
 			if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
 				goto err;
 		}
 		sk_X509_NAME_ENTRY_free(entries);
 	}
 	sk_free(intname.s);
 	nm.x->modified = 0;
 	*val = nm.a;
 	*in = p;
 	return ret;
 	err:
 	ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
 	return 0;
 }

 static int x509_name_ex_i2d(ASN1_VALUE **val, unsigned char **out, const ASN1_ITEM *it, int tag, int aclass)
 {
 	int ret;
 	X509_NAME *a = (X509_NAME *)*val;
 	if(a->modified) {
 		ret = x509_name_encode((X509_NAME *)a);
 		if(ret < 0) return ret;
 	}
 	ret = a->bytes->length;
 	if(out != NULL) {
 		memcpy(*out,a->bytes->data,ret);
 		*out+=ret;
 	}
 	return ret;
 }

 static int x509_name_encode(X509_NAME *a)
 {
 	union { STACK *s; ASN1_VALUE *a; } intname = {NULL};
 	int len;
 	unsigned char *p;
 	STACK_OF(X509_NAME_ENTRY) *entries = NULL;
 	X509_NAME_ENTRY *entry;
 	int i, set = -1;
 	intname.s = sk_new_null();
 	if(!intname.s) goto memerr;
 	for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
 		entry = sk_X509_NAME_ENTRY_value(a->entries, i);
 		if(entry->set != set) {
 			entries = sk_X509_NAME_ENTRY_new_null();
 			if(!entries) goto memerr;
 			if(!sk_push(intname.s, (char *)entries)) goto memerr;
 			set = entry->set;
 		}
 		if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr;
 	}
 	len = ASN1_item_ex_i2d(&intname.a, NULL,
 			       ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
 	if (!BUF_MEM_grow(a->bytes,len)) goto memerr;
 	p=(unsigned char *)a->bytes->data;
 	ASN1_item_ex_i2d(&intname.a,
 			 &p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
 	sk_pop_free(intname.s, sk_internal_free);
 	a->modified = 0;
 	return len;
 	memerr:
 	sk_pop_free(intname.s, sk_internal_free);
 	ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
 	return -1;
 }


 int X509_NAME_set(X509_NAME **xn, X509_NAME *name)
 	{
 	X509_NAME *in;

 	if (!xn || !name) return(0);

 	if (*xn != name)
 		{
 		in=X509_NAME_dup(name);
 		if (in != NULL)
 			{
 			X509_NAME_free(*xn);
 			*xn=in;
 			}
 		}
 	return(*xn != NULL);
 	}

 IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
 IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)
	/* crypto/asn1/x_name.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/asn1t.h>
	#include <openssl/x509.h>

	static int x509_name_ex_d2i(ASN1_VALUE val, const unsigned char in, long len, const ASN1_ITEM *it,
	int tag, int aclass, char opt, ASN1_TLC *ctx);

	static int x509_name_ex_i2d(ASN1_VALUE val, unsigned char out, const ASN1_ITEM *it, int tag, int aclass);
	static int x509_name_ex_new(ASN1_VALUE *val, const ASN1_ITEM it);
	static void x509_name_ex_free(ASN1_VALUE *val, const ASN1_ITEM it);

	static int x509_name_encode(X509_NAME *a);

	ASN1_SEQUENCE(X509_NAME_ENTRY) = {
	ASN1_SIMPLE(X509_NAME_ENTRY, object, ASN1_OBJECT),
	ASN1_SIMPLE(X509_NAME_ENTRY, value, ASN1_PRINTABLE)
	} ASN1_SEQUENCE_END(X509_NAME_ENTRY)

	IMPLEMENT_ASN1_FUNCTIONS(X509_NAME_ENTRY)
	IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME_ENTRY)

	/* For the "Name" type we need a SEQUENCE OF { SET OF X509_NAME_ENTRY }
	* so declare two template wrappers for this
	*/

	ASN1_ITEM_TEMPLATE(X509_NAME_ENTRIES) =
	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SET_OF, 0, RDNS, X509_NAME_ENTRY)
	ASN1_ITEM_TEMPLATE_END(X509_NAME_ENTRIES)

	ASN1_ITEM_TEMPLATE(X509_NAME_INTERNAL) =
	ASN1_EX_TEMPLATE_TYPE(ASN1_TFLG_SEQUENCE_OF, 0, Name, X509_NAME_ENTRIES)
	ASN1_ITEM_TEMPLATE_END(X509_NAME_INTERNAL)

	/* Normally that's where it would end: we'd have two nested STACK structures
	* representing the ASN1. Unfortunately X509_NAME uses a completely different
	* form and caches encodings so we have to process the internal form and convert
	* to the external form.
	*/

	const ASN1_EXTERN_FUNCS x509_name_ff = {
	NULL,
	x509_name_ex_new,
	x509_name_ex_free,
	0, /* Default clear behaviour is OK */
	x509_name_ex_d2i,
	x509_name_ex_i2d
	};

	IMPLEMENT_EXTERN_ASN1(X509_NAME, V_ASN1_SEQUENCE, x509_name_ff)

	IMPLEMENT_ASN1_FUNCTIONS(X509_NAME)
	IMPLEMENT_ASN1_DUP_FUNCTION(X509_NAME)

	static int x509_name_ex_new(ASN1_VALUE *val, const ASN1_ITEM it)
	{
	X509_NAME *ret = NULL;
	ret = OPENSSL_malloc(sizeof(X509_NAME));
	if(!ret) goto memerr;
	if ((ret->entries=sk_X509_NAME_ENTRY_new_null()) == NULL)
	goto memerr;
	if((ret->bytes = BUF_MEM_new()) == NULL) goto memerr;
	ret->modified=1;
	val = (ASN1_VALUE )ret;
	return 1;

	memerr:
	ASN1err(ASN1_F_X509_NAME_EX_NEW, ERR_R_MALLOC_FAILURE);
	if (ret)
	{
	if (ret->entries)
	sk_X509_NAME_ENTRY_free(ret->entries);
	OPENSSL_free(ret);
	}
	return 0;
	}

	static void x509_name_ex_free(ASN1_VALUE *pval, const ASN1_ITEM it)
	{
	X509_NAME *a;
	if(!pval \|\| !*pval)
	return;
	a = (X509_NAME )pval;

	BUF_MEM_free(a->bytes);
	sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
	OPENSSL_free(a);
	*pval = NULL;
	}

	/* Used with sk_pop_free() to free up the internal representation.
	* NB: we only free the STACK and not its contents because it is
	* already present in the X509_NAME structure.
	*/

	static void sk_internal_free(void *a)
	{
	sk_free(a);
	}

	static int x509_name_ex_d2i(ASN1_VALUE val, const unsigned char in, long len, const ASN1_ITEM *it,
	int tag, int aclass, char opt, ASN1_TLC *ctx)
	{
	const unsigned char p = in, *q;
	union { STACK s; ASN1_VALUE a; } intname = {NULL};
	union { X509_NAME x; ASN1_VALUE a; } nm = {NULL};
	int i, j, ret;
	STACK_OF(X509_NAME_ENTRY) *entries;
	X509_NAME_ENTRY *entry;
	q = p;

	/* Get internal representation of Name */
	ret = ASN1_item_ex_d2i(&intname.a,
	&p, len, ASN1_ITEM_rptr(X509_NAME_INTERNAL),
	tag, aclass, opt, ctx);

	if(ret <= 0) return ret;

	if(*val) x509_name_ex_free(val, NULL);
	if(!x509_name_ex_new(&nm.a, NULL)) goto err;
	/* We've decoded it: now cache encoding */
	if(!BUF_MEM_grow(nm.x->bytes, p - q)) goto err;
	memcpy(nm.x->bytes->data, q, p - q);

	/* Convert internal representation to X509_NAME structure */
	for(i = 0; i < sk_num(intname.s); i++) {
	entries = (STACK_OF(X509_NAME_ENTRY) *)sk_value(intname.s, i);
	for(j = 0; j < sk_X509_NAME_ENTRY_num(entries); j++) {
	entry = sk_X509_NAME_ENTRY_value(entries, j);
	entry->set = i;
	if(!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
	goto err;
	}
	sk_X509_NAME_ENTRY_free(entries);
	}
	sk_free(intname.s);
	nm.x->modified = 0;
	*val = nm.a;
	*in = p;
	return ret;
	err:
	ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
	return 0;
	}

	static int x509_name_ex_i2d(ASN1_VALUE val, unsigned char out, const ASN1_ITEM *it, int tag, int aclass)
	{
	int ret;
	X509_NAME a = (X509_NAME )*val;
	if(a->modified) {
	ret = x509_name_encode((X509_NAME *)a);
	if(ret < 0) return ret;
	}
	ret = a->bytes->length;
	if(out != NULL) {
	memcpy(*out,a->bytes->data,ret);
	*out+=ret;
	}
	return ret;
	}

	static int x509_name_encode(X509_NAME *a)
	{
	union { STACK s; ASN1_VALUE a; } intname = {NULL};
	int len;
	unsigned char *p;
	STACK_OF(X509_NAME_ENTRY) *entries = NULL;
	X509_NAME_ENTRY *entry;
	int i, set = -1;
	intname.s = sk_new_null();
	if(!intname.s) goto memerr;
	for(i = 0; i < sk_X509_NAME_ENTRY_num(a->entries); i++) {
	entry = sk_X509_NAME_ENTRY_value(a->entries, i);
	if(entry->set != set) {
	entries = sk_X509_NAME_ENTRY_new_null();
	if(!entries) goto memerr;
	if(!sk_push(intname.s, (char *)entries)) goto memerr;
	set = entry->set;
	}
	if(!sk_X509_NAME_ENTRY_push(entries, entry)) goto memerr;
	}
	len = ASN1_item_ex_i2d(&intname.a, NULL,
	ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
	if (!BUF_MEM_grow(a->bytes,len)) goto memerr;
	p=(unsigned char *)a->bytes->data;
	ASN1_item_ex_i2d(&intname.a,
	&p, ASN1_ITEM_rptr(X509_NAME_INTERNAL), -1, -1);
	sk_pop_free(intname.s, sk_internal_free);
	a->modified = 0;
	return len;
	memerr:
	sk_pop_free(intname.s, sk_internal_free);
	ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
	return -1;
	}


	int X509_NAME_set(X509_NAME *xn, X509_NAME name)
	{
	X509_NAME *in;

	if (!xn \|\| !name) return(0);

	if (*xn != name)
	{
	in=X509_NAME_dup(name);
	if (in != NULL)
	{
	X509_NAME_free(*xn);
	*xn=in;
	}
	}
	return(*xn != NULL);
	}

	IMPLEMENT_STACK_OF(X509_NAME_ENTRY)
	IMPLEMENT_ASN1_SET_OF(X509_NAME_ENTRY)