Inital import.

Initial fork from f2d678e6e89b6508147086610e985d4e8416e867 (1.0.2 beta).

(This change contains substantial changes from the original and
effectively starts a new history.)
diff --git a/crypto/asn1/tasn_new.c b/crypto/asn1/tasn_new.c
new file mode 100644
index 0000000..8a2b27d
--- /dev/null
+++ b/crypto/asn1/tasn_new.c
@@ -0,0 +1,394 @@
+/* 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 <openssl/asn1.h>
+
+#include <openssl/asn1t.h>
+#include <openssl/err.h>
+#include <openssl/mem.h>
+#include <openssl/obj.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);
+static void asn1_primitive_clear(ASN1_VALUE **pval, const ASN1_ITEM *it);
+
+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 */
+
+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, NULL);
+			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, NULL))
+				goto auxerr;
+		break;
+
+		case ASN1_ITYPE_NDEF_SEQUENCE:
+		case ASN1_ITYPE_SEQUENCE:
+		if (asn1_cb)
+			{
+			i = asn1_cb(ASN1_OP_NEW_PRE, pval, it, NULL);
+			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, NULL))
+				goto auxerr;
+		break;
+	}
+#ifdef CRYPTO_MDEBUG
+	if (it->sname) CRYPTO_pop_info();
+#endif
+	return 1;
+
+	memerr:
+	OPENSSL_PUT_ERROR(ASN1, asn1_item_ex_combine_new,  ERR_R_MALLOC_FAILURE);
+#ifdef CRYPTO_MDEBUG
+	if (it->sname) CRYPTO_pop_info();
+#endif
+	return 0;
+
+	auxerr:
+	OPENSSL_PUT_ERROR(ASN1, 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;
+		}
+	}
+
+
+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)
+			{
+			OPENSSL_PUT_ERROR(ASN1, 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.
+ */
+
+int ASN1_primitive_new(ASN1_VALUE **pval, const ASN1_ITEM *it)
+	{
+	ASN1_TYPE *typ;
+	ASN1_STRING *str;
+	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:
+		*(ASN1_BOOLEAN *)pval = it->size;
+		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:
+		str = ASN1_STRING_type_new(utype);
+		if (it->itype == ASN1_ITYPE_MSTRING && str)
+			str->flags |= ASN1_STRING_FLAG_MSTRING;
+		*pval = (ASN1_VALUE *)str;
+		break;
+		}
+	if (*pval)
+		return 1;
+	return 0;
+	}
+
+static 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;
+	}