crypto/asn1/x_name.c - third_party/openssl - 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/objects.h>
 #include <openssl/asn1_mac.h>
 #include <openssl/x509.h>

 static int i2d_X509_NAME_entries(X509_NAME *a);
 int i2d_X509_NAME_ENTRY(X509_NAME_ENTRY *a, unsigned char **pp)
 	{
 	M_ASN1_I2D_vars(a);

 	M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
 	M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);

 	M_ASN1_I2D_seq_total();

 	M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
 	M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);

 	M_ASN1_I2D_finish();
 	}

 X509_NAME_ENTRY *d2i_X509_NAME_ENTRY(X509_NAME_ENTRY **a, unsigned char **pp,
 	     long length)
 	{
 	M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);

 	M_ASN1_D2I_Init();
 	M_ASN1_D2I_start_sequence();
 	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
 	M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
 	ret->set=0;
 	M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
 	}

 int i2d_X509_NAME(X509_NAME *a, unsigned char **pp)
 	{
 	int ret;

 	if (a == NULL) return(0);
 	if (a->modified)
 		{
 		ret=i2d_X509_NAME_entries(a);
 		if (ret < 0) return(ret);
 		}

 	ret=a->bytes->length;
 	if (pp != NULL)
 		{
 		memcpy(*pp,a->bytes->data,ret);
 		*pp+=ret;
 		}
 	return(ret);
 	}

 static int i2d_X509_NAME_entries(X509_NAME *a)
 	{
 	X509_NAME_ENTRY *ne,*fe=NULL;
 	STACK_OF(X509_NAME_ENTRY) *sk;
 	BUF_MEM *buf=NULL;
 	int set=0,r,ret=0;
 	int i;
 	unsigned char *p;
 	int size=0;

 	sk=a->entries;
 	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
 		{
 		ne=sk_X509_NAME_ENTRY_value(sk,i);
 		if (fe == NULL)
 			{
 			fe=ne;
 			size=0;
 			}

 		if (ne->set != set)
 			{
 			ret+=ASN1_object_size(1,size,V_ASN1_SET);
 			fe->size=size;
 			fe=ne;
 			size=0;
 			set=ne->set;
 			}
 		size+=i2d_X509_NAME_ENTRY(ne,NULL);
 		}

 	ret+=ASN1_object_size(1,size,V_ASN1_SET);
 	if (fe != NULL)
 		fe->size=size;

 	r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);

 	buf=a->bytes;
 	if (!BUF_MEM_grow(buf,r)) goto err;
 	p=(unsigned char *)buf->data;

 	ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);

 	set= -1;
 	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
 		{
 		ne=sk_X509_NAME_ENTRY_value(sk,i);
 		if (set != ne->set)
 			{
 			set=ne->set;
 			ASN1_put_object(&p,1,ne->size,
 				V_ASN1_SET,V_ASN1_UNIVERSAL);
 			}
 		i2d_X509_NAME_ENTRY(ne,&p);
 		}
 	a->modified=0;
 	return(r);
 err:
 	return(-1);
 	}

 X509_NAME *d2i_X509_NAME(X509_NAME **a, unsigned char **pp, long length)
 	{
 	int set=0,i;
 	int idx=0;
 	unsigned char *orig;
 	M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);

 	orig= *pp;
 	if (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
 		{
 		while (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
 			X509_NAME_ENTRY_free(
 				       sk_X509_NAME_ENTRY_pop(ret->entries));
 		}

 	M_ASN1_D2I_Init();
 	M_ASN1_D2I_start_sequence();
 	for (;;)
 		{
 		if (M_ASN1_D2I_end_sequence()) break;
 		M_ASN1_D2I_get_set_type(X509_NAME_ENTRY,ret->entries,
 					d2i_X509_NAME_ENTRY,
 					X509_NAME_ENTRY_free);
 		for (; idx < sk_X509_NAME_ENTRY_num(ret->entries); idx++)
 			{
 			sk_X509_NAME_ENTRY_value(ret->entries,idx)->set=set;
 			}
 		set++;
 		}

 	i=(int)(c.p-orig);
 	if (!BUF_MEM_grow(ret->bytes,i)) goto err;
 	memcpy(ret->bytes->data,orig,i);
 	ret->bytes->length=i;
 	ret->modified=0;

 	M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
 	}

 X509_NAME *X509_NAME_new(void)
 	{
 	X509_NAME *ret=NULL;
 	ASN1_CTX c;

 	M_ASN1_New_Malloc(ret,X509_NAME);
 	if ((ret->entries=sk_X509_NAME_ENTRY_new(NULL)) == NULL)
 		{ c.line=__LINE__; goto err2; }
 	M_ASN1_New(ret->bytes,BUF_MEM_new);
 	ret->modified=1;
 	return(ret);
 	M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
 	}

 X509_NAME_ENTRY *X509_NAME_ENTRY_new(void)
 	{
 	X509_NAME_ENTRY *ret=NULL;
 	ASN1_CTX c;

 	M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
 /*	M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
 	ret->object=NULL;
 	ret->set=0;
 	M_ASN1_New(ret->value,ASN1_STRING_new);
 	return(ret);
 	M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
 	}

 void X509_NAME_free(X509_NAME *a)
 	{
 	if(a == NULL)
 	    return;

 	BUF_MEM_free(a->bytes);
 	sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
 	Free(a);
 	}

 void X509_NAME_ENTRY_free(X509_NAME_ENTRY *a)
 	{
 	if (a == NULL) return;
 	ASN1_OBJECT_free(a->object);
 	M_ASN1_BIT_STRING_free(a->value);
 	Free(a);
 	}

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

 	if (*xn == NULL) 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/objects.h>
	#include <openssl/asn1_mac.h>
	#include <openssl/x509.h>

	static int i2d_X509_NAME_entries(X509_NAME *a);
	int i2d_X509_NAME_ENTRY(X509_NAME_ENTRY a, unsigned char *pp)
	{
	M_ASN1_I2D_vars(a);

	M_ASN1_I2D_len(a->object,i2d_ASN1_OBJECT);
	M_ASN1_I2D_len(a->value,i2d_ASN1_PRINTABLE);

	M_ASN1_I2D_seq_total();

	M_ASN1_I2D_put(a->object,i2d_ASN1_OBJECT);
	M_ASN1_I2D_put(a->value,i2d_ASN1_PRINTABLE);

	M_ASN1_I2D_finish();
	}

	X509_NAME_ENTRY d2i_X509_NAME_ENTRY(X509_NAME_ENTRY a, unsigned char *pp,
	long length)
	{
	M_ASN1_D2I_vars(a,X509_NAME_ENTRY *,X509_NAME_ENTRY_new);

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	M_ASN1_D2I_get(ret->object,d2i_ASN1_OBJECT);
	M_ASN1_D2I_get(ret->value,d2i_ASN1_PRINTABLE);
	ret->set=0;
	M_ASN1_D2I_Finish(a,X509_NAME_ENTRY_free,ASN1_F_D2I_X509_NAME_ENTRY);
	}

	int i2d_X509_NAME(X509_NAME a, unsigned char *pp)
	{
	int ret;

	if (a == NULL) return(0);
	if (a->modified)
	{
	ret=i2d_X509_NAME_entries(a);
	if (ret < 0) return(ret);
	}

	ret=a->bytes->length;
	if (pp != NULL)
	{
	memcpy(*pp,a->bytes->data,ret);
	*pp+=ret;
	}
	return(ret);
	}

	static int i2d_X509_NAME_entries(X509_NAME *a)
	{
	X509_NAME_ENTRY ne,fe=NULL;
	STACK_OF(X509_NAME_ENTRY) *sk;
	BUF_MEM *buf=NULL;
	int set=0,r,ret=0;
	int i;
	unsigned char *p;
	int size=0;

	sk=a->entries;
	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
	{
	ne=sk_X509_NAME_ENTRY_value(sk,i);
	if (fe == NULL)
	{
	fe=ne;
	size=0;
	}

	if (ne->set != set)
	{
	ret+=ASN1_object_size(1,size,V_ASN1_SET);
	fe->size=size;
	fe=ne;
	size=0;
	set=ne->set;
	}
	size+=i2d_X509_NAME_ENTRY(ne,NULL);
	}

	ret+=ASN1_object_size(1,size,V_ASN1_SET);
	if (fe != NULL)
	fe->size=size;

	r=ASN1_object_size(1,ret,V_ASN1_SEQUENCE);

	buf=a->bytes;
	if (!BUF_MEM_grow(buf,r)) goto err;
	p=(unsigned char *)buf->data;

	ASN1_put_object(&p,1,ret,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);

	set= -1;
	for (i=0; i<sk_X509_NAME_ENTRY_num(sk); i++)
	{
	ne=sk_X509_NAME_ENTRY_value(sk,i);
	if (set != ne->set)
	{
	set=ne->set;
	ASN1_put_object(&p,1,ne->size,
	V_ASN1_SET,V_ASN1_UNIVERSAL);
	}
	i2d_X509_NAME_ENTRY(ne,&p);
	}
	a->modified=0;
	return(r);
	err:
	return(-1);
	}

	X509_NAME d2i_X509_NAME(X509_NAME a, unsigned char *pp, long length)
	{
	int set=0,i;
	int idx=0;
	unsigned char *orig;
	M_ASN1_D2I_vars(a,X509_NAME *,X509_NAME_new);

	orig= *pp;
	if (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
	{
	while (sk_X509_NAME_ENTRY_num(ret->entries) > 0)
	X509_NAME_ENTRY_free(
	sk_X509_NAME_ENTRY_pop(ret->entries));
	}

	M_ASN1_D2I_Init();
	M_ASN1_D2I_start_sequence();
	for (;;)
	{
	if (M_ASN1_D2I_end_sequence()) break;
	M_ASN1_D2I_get_set_type(X509_NAME_ENTRY,ret->entries,
	d2i_X509_NAME_ENTRY,
	X509_NAME_ENTRY_free);
	for (; idx < sk_X509_NAME_ENTRY_num(ret->entries); idx++)
	{
	sk_X509_NAME_ENTRY_value(ret->entries,idx)->set=set;
	}
	set++;
	}

	i=(int)(c.p-orig);
	if (!BUF_MEM_grow(ret->bytes,i)) goto err;
	memcpy(ret->bytes->data,orig,i);
	ret->bytes->length=i;
	ret->modified=0;

	M_ASN1_D2I_Finish(a,X509_NAME_free,ASN1_F_D2I_X509_NAME);
	}

	X509_NAME *X509_NAME_new(void)
	{
	X509_NAME *ret=NULL;
	ASN1_CTX c;

	M_ASN1_New_Malloc(ret,X509_NAME);
	if ((ret->entries=sk_X509_NAME_ENTRY_new(NULL)) == NULL)
	{ c.line=__LINE__; goto err2; }
	M_ASN1_New(ret->bytes,BUF_MEM_new);
	ret->modified=1;
	return(ret);
	M_ASN1_New_Error(ASN1_F_X509_NAME_NEW);
	}

	X509_NAME_ENTRY *X509_NAME_ENTRY_new(void)
	{
	X509_NAME_ENTRY *ret=NULL;
	ASN1_CTX c;

	M_ASN1_New_Malloc(ret,X509_NAME_ENTRY);
	/* M_ASN1_New(ret->object,ASN1_OBJECT_new);*/
	ret->object=NULL;
	ret->set=0;
	M_ASN1_New(ret->value,ASN1_STRING_new);
	return(ret);
	M_ASN1_New_Error(ASN1_F_X509_NAME_ENTRY_NEW);
	}

	void X509_NAME_free(X509_NAME *a)
	{
	if(a == NULL)
	return;

	BUF_MEM_free(a->bytes);
	sk_X509_NAME_ENTRY_pop_free(a->entries,X509_NAME_ENTRY_free);
	Free(a);
	}

	void X509_NAME_ENTRY_free(X509_NAME_ENTRY *a)
	{
	if (a == NULL) return;
	ASN1_OBJECT_free(a->object);
	M_ASN1_BIT_STRING_free(a->value);
	Free(a);
	}

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

	if (*xn == NULL) 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)