--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ssl/libcrypto/src/crypto/asn1/x_name.c	Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,275 @@
+/* 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;
+}
+
+
+EXPORT_C 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)