--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/asn1/tasn_new.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,395 @@
+/* tasn_new.c */
+/* Written by Dr Stephen N Henson (shenson@bigfoot.com) for the OpenSSL
+ * project 2000.
+ */
+/* ====================================================================
+ * Copyright (c) 2000-2004 The OpenSSL Project.  All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+
+#include <stddef.h>
+#include <openssl/asn1.h>
+#include <openssl/objects.h>
+#include <openssl/err.h>
+#include <openssl/asn1t.h>
+#include <string.h>
+
+static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
+								int combine);
+static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
+static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt);
+void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
+
+EXPORT_C ASN1_VALUE *ASN1_item_new(const ASN1_ITEM *it)
+	{
+	ASN1_VALUE *ret = NULL;
+	if (ASN1_item_ex_new(&ret, it) > 0)
+		return ret;
+	return NULL;
+	}
+
+/* Allocate an ASN1 structure */
+
+EXPORT_C int ASN1_item_ex_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
+	{
+	return asn1_item_ex_combine_new(pval, it, 0);
+	}
+
+static int asn1_item_ex_combine_new(ASN1_VALUE **pval, const ASN1_ITEM *it,
+								int combine)
+	{
+	const ASN1_TEMPLATE *tt = NULL;
+	const ASN1_COMPAT_FUNCS *cf;
+	const ASN1_EXTERN_FUNCS *ef;
+	const ASN1_AUX *aux = it->funcs;
+	ASN1_aux_cb *asn1_cb;
+	ASN1_VALUE **pseqval;
+	int i;
+	if (aux && aux->asn1_cb)
+		asn1_cb = aux->asn1_cb;
+	else
+		asn1_cb = 0;
+
+	if (!combine) *pval = NULL;
+
+#ifdef CRYPTO_MDEBUG
+	if (it->sname)
+		CRYPTO_push_info(it->sname);
+#endif
+
+	switch(it->itype)
+		{
+
+		case ASN1_ITYPE_EXTERN:
+		ef = it->funcs;
+		if (ef && ef->asn1_ex_new)
+			{
+			if (!ef->asn1_ex_new(pval, it))
+				goto memerr;
+			}
+		break;
+
+		case ASN1_ITYPE_COMPAT:
+		cf = it->funcs;
+		if (cf && cf->asn1_new) {
+			*pval = cf->asn1_new();
+			if (!*pval)
+				goto memerr;
+		}
+		break;
+
+		case ASN1_ITYPE_PRIMITIVE:
+		if (it->templates)
+			{
+			if (!ASN1_template_new(pval, it->templates))
+				goto memerr;
+			}
+		else if (!ASN1_primitive_new(pval, it))
+				goto memerr;
+		break;
+
+		case ASN1_ITYPE_MSTRING:
+		if (!ASN1_primitive_new(pval, it))
+				goto memerr;
+		break;
+
+		case ASN1_ITYPE_CHOICE:
+		if (asn1_cb)
+			{
+			i = asn1_cb(ASN1_OP_NEW_PRE, pval, it);
+			if (!i)
+				goto auxerr;
+			if (i==2)
+				{
+#ifdef CRYPTO_MDEBUG
+				if (it->sname)
+					CRYPTO_pop_info();
+#endif
+				return 1;
+				}
+			}
+		if (!combine)
+			{
+			*pval = OPENSSL_malloc(it->size);
+			if (!*pval)
+				goto memerr;
+			memset(*pval, 0, it->size);
+			}
+		asn1_set_choice_selector(pval, -1, it);
+		if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it))
+				goto auxerr;
+		break;
+
+		case ASN1_ITYPE_NDEF_SEQUENCE:
+		case ASN1_ITYPE_SEQUENCE:
+		if (asn1_cb)
+			{
+			i = asn1_cb(ASN1_OP_NEW_PRE, pval, it);
+			if (!i)
+				goto auxerr;
+			if (i==2)
+				{
+#ifdef CRYPTO_MDEBUG
+				if (it->sname)
+					CRYPTO_pop_info();
+#endif
+				return 1;
+				}
+			}
+		if (!combine)
+			{
+			*pval = OPENSSL_malloc(it->size);
+			if (!*pval)
+				goto memerr;
+			memset(*pval, 0, it->size);
+			asn1_do_lock(pval, 0, it);
+			asn1_enc_init(pval, it);
+			}
+		for (i = 0, tt = it->templates; i < it->tcount; tt++, i++)
+			{
+			pseqval = asn1_get_field_ptr(pval, tt);
+			if (!ASN1_template_new(pseqval, tt))
+				goto memerr;
+			}
+		if (asn1_cb && !asn1_cb(ASN1_OP_NEW_POST, pval, it))
+				goto auxerr;
+		break;
+	}
+#ifdef CRYPTO_MDEBUG
+	if (it->sname) CRYPTO_pop_info();
+#endif
+	return 1;
+
+	memerr:
+	ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ERR_R_MALLOC_FAILURE);
+#ifdef CRYPTO_MDEBUG
+	if (it->sname) CRYPTO_pop_info();
+#endif
+	return 0;
+
+	auxerr:
+	ASN1err(ASN1_F_ASN1_ITEM_EX_COMBINE_NEW, ASN1_R_AUX_ERROR);
+	ASN1_item_ex_free(pval, it);
+#ifdef CRYPTO_MDEBUG
+	if (it->sname) CRYPTO_pop_info();
+#endif
+	return 0;
+
+	}
+
+static void asn1_item_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
+	{
+	const ASN1_EXTERN_FUNCS *ef;
+
+	switch(it->itype)
+		{
+
+		case ASN1_ITYPE_EXTERN:
+		ef = it->funcs;
+		if (ef && ef->asn1_ex_clear) 
+			ef->asn1_ex_clear(pval, it);
+		else *pval = NULL;
+		break;
+
+
+		case ASN1_ITYPE_PRIMITIVE:
+		if (it->templates) 
+			asn1_template_clear(pval, it->templates);
+		else
+			asn1_primitive_clear(pval, it);
+		break;
+
+		case ASN1_ITYPE_MSTRING:
+		asn1_primitive_clear(pval, it);
+		break;
+
+		case ASN1_ITYPE_COMPAT:
+		case ASN1_ITYPE_CHOICE:
+		case ASN1_ITYPE_SEQUENCE:
+		case ASN1_ITYPE_NDEF_SEQUENCE:
+		*pval = NULL;
+		break;
+		}
+	}
+
+
+EXPORT_C int ASN1_template_new(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
+	{
+	const ASN1_ITEM *it = ASN1_ITEM_ptr(tt->item);
+	int ret;
+	if (tt->flags & ASN1_TFLG_OPTIONAL)
+		{
+		asn1_template_clear(pval, tt);
+		return 1;
+		}
+	/* If ANY DEFINED BY nothing to do */
+
+	if (tt->flags & ASN1_TFLG_ADB_MASK)
+		{
+		*pval = NULL;
+		return 1;
+		}
+#ifdef CRYPTO_MDEBUG
+	if (tt->field_name)
+		CRYPTO_push_info(tt->field_name);
+#endif
+	/* If SET OF or SEQUENCE OF, its a STACK */
+	if (tt->flags & ASN1_TFLG_SK_MASK)
+		{
+		STACK_OF(ASN1_VALUE) *skval;
+		skval = sk_ASN1_VALUE_new_null();
+		if (!skval)
+			{
+			ASN1err(ASN1_F_ASN1_TEMPLATE_NEW, ERR_R_MALLOC_FAILURE);
+			ret = 0;
+			goto done;
+			}
+		*pval = (ASN1_VALUE *)skval;
+		ret = 1;
+		goto done;
+		}
+	/* Otherwise pass it back to the item routine */
+	ret = asn1_item_ex_combine_new(pval, it, tt->flags & ASN1_TFLG_COMBINE);
+	done:
+#ifdef CRYPTO_MDEBUG
+	if (it->sname)
+		CRYPTO_pop_info();
+#endif
+	return ret;
+	}
+
+static void asn1_template_clear(ASN1_VALUE **pval, const ASN1_TEMPLATE *tt)
+	{
+	/* If ADB or STACK just NULL the field */
+	if (tt->flags & (ASN1_TFLG_ADB_MASK|ASN1_TFLG_SK_MASK)) 
+		*pval = NULL;
+	else
+		asn1_item_clear(pval, ASN1_ITEM_ptr(tt->item));
+	}
+
+
+/* NB: could probably combine most of the real XXX_new() behaviour and junk
+ * all the old functions.
+ */
+
+EXPORT_C int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
+	{
+	ASN1_TYPE *typ;
+	int utype;
+
+	if (it && it->funcs)
+		{
+		const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
+		if (pf->prim_new)
+			return pf->prim_new(pval, it);
+		}
+
+	if (!it || (it->itype == ASN1_ITYPE_MSTRING))
+		utype = -1;
+	else
+		utype = it->utype;
+	switch(utype)
+		{
+		case V_ASN1_OBJECT:
+		*pval = (ASN1_VALUE *)OBJ_nid2obj(NID_undef);
+		return 1;
+
+		case V_ASN1_BOOLEAN:
+		if (it)
+			*(ASN1_BOOLEAN *)pval = it->size;
+		else
+			*(ASN1_BOOLEAN *)pval = -1;
+		return 1;
+
+		case V_ASN1_NULL:
+		*pval = (ASN1_VALUE *)1;
+		return 1;
+
+		case V_ASN1_ANY:
+		typ = OPENSSL_malloc(sizeof(ASN1_TYPE));
+		if (!typ)
+			return 0;
+		typ->value.ptr = NULL;
+		typ->type = -1;
+		*pval = (ASN1_VALUE *)typ;
+		break;
+
+		default:
+		*pval = (ASN1_VALUE *)ASN1_STRING_type_new(utype);
+		break;
+		}
+	if (*pval)
+		return 1;
+	return 0;
+	}
+
+EXPORT_C void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it)
+	{
+	int utype;
+	if (it && it->funcs)
+		{
+		const ASN1_PRIMITIVE_FUNCS *pf = it->funcs;
+		if (pf->prim_clear)
+			pf->prim_clear(pval, it);
+		else 
+			*pval = NULL;
+		return;
+		}
+	if (!it || (it->itype == ASN1_ITYPE_MSTRING))
+		utype = -1;
+	else
+		utype = it->utype;
+	if (utype == V_ASN1_BOOLEAN)
+		*(ASN1_BOOLEAN *)pval = it->size;
+	else *pval = NULL;
+	}