ssl/libcrypto/src/crypto/asn1/a_object.c
changeset 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/asn1/a_object.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,395 @@
+/* crypto/asn1/a_object.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.]
+ */
+/*
+ © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
+ */
+#include <stdio.h>
+#include <limits.h>
+#include "cryptlib.h"
+#include <openssl/buffer.h>
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/bn.h>
+
+
+EXPORT_C int i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp)
+	{
+	unsigned char *p;
+	int objsize;
+
+	if ((a == NULL) || (a->data == NULL)) return(0);
+
+	objsize = ASN1_object_size(0,a->length,V_ASN1_OBJECT);
+	if (pp == NULL) return objsize;
+
+	p= *pp;
+	ASN1_put_object(&p,0,a->length,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
+	memcpy(p,a->data,a->length);
+	p+=a->length;
+
+	*pp=p;
+	return(objsize);
+	}
+
+EXPORT_C int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num)
+	{
+	int i,first,len=0,c, use_bn;
+	char ftmp[24], *tmp = ftmp;
+	int tmpsize = sizeof ftmp;
+	const char *p;
+	unsigned long l;
+	BIGNUM *bl = NULL;
+
+	if (num == 0)
+		return(0);
+	else if (num == -1)
+		num=strlen(buf);
+
+	p=buf;
+	c= *(p++);
+	num--;
+	if ((c >= '0') && (c <= '2'))
+		{
+		first= c-'0';
+		}
+	else
+		{
+		ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_FIRST_NUM_TOO_LARGE);
+		goto err;
+		}
+
+	if (num <= 0)
+		{
+		ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_MISSING_SECOND_NUMBER);
+		goto err;
+		}
+	c= *(p++);
+	num--;
+	for (;;)
+		{
+		if (num <= 0) break;
+		if ((c != '.') && (c != ' '))
+			{
+			ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_SEPARATOR);
+			goto err;
+			}
+		l=0;
+		use_bn = 0;
+		for (;;)
+			{
+			if (num <= 0) break;
+			num--;
+			c= *(p++);
+			if ((c == ' ') || (c == '.'))
+				break;
+			if ((c < '0') || (c > '9'))
+				{
+				ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_DIGIT);
+				goto err;
+				}
+			if (!use_bn && l > (ULONG_MAX / 10L))
+				{
+				use_bn = 1;
+				if (!bl)
+					bl = BN_new();
+				if (!bl || !BN_set_word(bl, l))
+					goto err;
+				}
+			if (use_bn)
+				{
+				if (!BN_mul_word(bl, 10L)
+					|| !BN_add_word(bl, c-'0'))
+					goto err;
+				}
+			else
+				l=l*10L+(long)(c-'0');
+			}
+		if (len == 0)
+			{
+			if ((first < 2) && (l >= 40))
+				{
+				ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_SECOND_NUMBER_TOO_LARGE);
+				goto err;
+				}
+			if (use_bn)
+				{
+				if (!BN_add_word(bl, first * 40))
+					goto err;
+				}
+			else
+				l+=(long)first*40;
+			}
+		i=0;
+		if (use_bn)
+			{
+			int blsize;
+			blsize = BN_num_bits(bl);
+			blsize = (blsize + 6)/7;
+			if (blsize > tmpsize)
+				{
+				if (tmp != ftmp)
+					OPENSSL_free(tmp);
+				tmpsize = blsize + 32;
+				tmp = OPENSSL_malloc(tmpsize);
+				if (!tmp)
+					goto err;
+				}
+			while(blsize--)
+				tmp[i++] = (unsigned char)BN_div_word(bl, 0x80L);
+			}
+		else
+			{
+					
+			for (;;)
+				{
+				tmp[i++]=(unsigned char)l&0x7f;
+				l>>=7L;
+				if (l == 0L) break;
+				}
+
+			}
+		if (out != NULL)
+			{
+			if (len+i > olen)
+				{
+				ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_BUFFER_TOO_SMALL);
+				goto err;
+				}
+			while (--i > 0)
+				out[len++]=tmp[i]|0x80;
+			out[len++]=tmp[0];
+			}
+		else
+			len+=i;
+		}
+	if (tmp != ftmp)
+		OPENSSL_free(tmp);
+	if (bl)
+		BN_free(bl);
+	return(len);
+err:
+	if (tmp != ftmp)
+		OPENSSL_free(tmp);
+	if (bl)
+		BN_free(bl);
+	return(0);
+
+	}
+
+EXPORT_C int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a)
+{
+	return OBJ_obj2txt(buf, buf_len, a, 0);
+}
+
+EXPORT_C int i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a)
+	{
+#ifndef SYMBIAN			
+	char buf[80];
+#else
+  char buf[40];
+#endif	
+  char *p = buf;
+	int i;
+
+	if ((a == NULL) || (a->data == NULL))
+		return(BIO_write(bp,"NULL",4));
+	i=i2t_ASN1_OBJECT(buf,sizeof buf,a);
+	if (i > (int)(sizeof(buf) - 1))
+		{
+		p = OPENSSL_malloc(i + 1);
+		if (!p)
+			return -1;
+		i2t_ASN1_OBJECT(p,i + 1,a);
+		}
+	if (i <= 0)
+		return BIO_write(bp, "<INVALID>", 9);
+	BIO_write(bp,p,i);
+	if (p != buf)
+		OPENSSL_free(p);
+	return(i);
+	}
+
+EXPORT_C ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
+	     long length)
+{
+	const unsigned char *p;
+	long len;
+	int tag,xclass;
+	int inf,i;
+	ASN1_OBJECT *ret = NULL;
+	p= *pp;
+	inf=ASN1_get_object(&p,&len,&tag,&xclass,length);
+	if (inf & 0x80)
+		{
+		i=ASN1_R_BAD_OBJECT_HEADER;
+		goto err;
+		}
+
+	if (tag != V_ASN1_OBJECT)
+		{
+		i=ASN1_R_EXPECTING_AN_OBJECT;
+		goto err;
+		}
+	ret = c2i_ASN1_OBJECT(a, &p, len);
+	if(ret) *pp = p;
+	return ret;
+err:
+	ASN1err(ASN1_F_D2I_ASN1_OBJECT,i);
+	if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+		ASN1_OBJECT_free(ret);
+	return(NULL);
+}
+EXPORT_C ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp,
+	     long len)
+	{
+	ASN1_OBJECT *ret=NULL;
+	const unsigned char *p;
+	int i;
+
+	/* only the ASN1_OBJECTs from the 'table' will have values
+	 * for ->sn or ->ln */
+	if ((a == NULL) || ((*a) == NULL) ||
+		!((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC))
+		{
+		if ((ret=ASN1_OBJECT_new()) == NULL) return(NULL);
+		}
+	else	ret=(*a);
+
+	p= *pp;
+	if ((ret->data == NULL) || (ret->length < len))
+		{
+		if (ret->data != NULL) OPENSSL_free(ret->data);
+		ret->data=(unsigned char *)OPENSSL_malloc(len ? (int)len : 1);
+		ret->flags|=ASN1_OBJECT_FLAG_DYNAMIC_DATA;
+		if (ret->data == NULL)
+			{ i=ERR_R_MALLOC_FAILURE; goto err; }
+		}
+	memcpy(ret->data,p,(int)len);
+	ret->length=(int)len;
+	ret->sn=NULL;
+	ret->ln=NULL;
+	/* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */
+	p+=len;
+
+	if (a != NULL) (*a)=ret;
+	*pp=p;
+	return(ret);
+err:
+	ASN1err(ASN1_F_C2I_ASN1_OBJECT,i);
+	if ((ret != NULL) && ((a == NULL) || (*a != ret)))
+		ASN1_OBJECT_free(ret);
+	return(NULL);
+	}
+
+EXPORT_C ASN1_OBJECT *ASN1_OBJECT_new(void)
+	{
+	ASN1_OBJECT *ret;
+
+	ret=(ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT));
+	if (ret == NULL)
+		{
+		ASN1err(ASN1_F_ASN1_OBJECT_NEW,ERR_R_MALLOC_FAILURE);
+		return(NULL);
+		}
+	ret->length=0;
+	ret->data=NULL;
+	ret->nid=0;
+	ret->sn=NULL;
+	ret->ln=NULL;
+	ret->flags=ASN1_OBJECT_FLAG_DYNAMIC;
+	return(ret);
+	}
+
+EXPORT_C void ASN1_OBJECT_free(ASN1_OBJECT *a)
+	{
+	if (a == NULL) return;
+	if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS)
+		{
+#ifndef CONST_STRICT /* disable purely for compile-time strict const checking. Doing this on a "real" compile will cause memory leaks */
+		if (a->sn != NULL) OPENSSL_free((void *)a->sn);
+		if (a->ln != NULL) OPENSSL_free((void *)a->ln);
+#endif
+		a->sn=a->ln=NULL;
+		}
+	if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA)
+		{
+		if (a->data != NULL) OPENSSL_free(a->data);
+		a->data=NULL;
+		a->length=0;
+		}
+	if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC)
+		OPENSSL_free(a);
+	}
+
+EXPORT_C ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len,
+	     const char *sn, const char *ln)
+	{
+	ASN1_OBJECT o;
+
+	o.sn=sn;
+	o.ln=ln;
+	o.data=data;
+	o.nid=nid;
+	o.length=len;
+	o.flags=ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
+		ASN1_OBJECT_FLAG_DYNAMIC_DATA;
+	return(OBJ_dup(&o));
+	}
+
+IMPLEMENT_STACK_OF(ASN1_OBJECT)
+IMPLEMENT_ASN1_SET_OF(ASN1_OBJECT)