Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/asn1/x_name.c

Index: openssl/crypto/asn1/x_name.c
diff --git a/openssl/crypto/asn1/x_name.c b/openssl/crypto/asn1/x_name.c
deleted file mode 100644
index d7c2318693f5aab79ba34885aeee1987e251d117..0000000000000000000000000000000000000000
--- a/openssl/crypto/asn1/x_name.c
+++ /dev/null
@@ -1,519 +0,0 @@
-/* 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 <ctype.h>
-#include "cryptlib.h"
-#include <openssl/asn1t.h>
-#include <openssl/x509.h>
-#include "asn1_locl.h"
-
-typedef STACK_OF(X509_NAME_ENTRY) STACK_OF_X509_NAME_ENTRY;
-DECLARE_STACK_OF(STACK_OF_X509_NAME_ENTRY)
-
-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);
-static int x509_name_canon(X509_NAME *a);
-static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in);
-static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname,
-			  unsigned char **in);
-
-
-static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval,
-						int indent,
-						const char *fname, 
-						const ASN1_PCTX *pctx);
-
-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,
-	x509_name_ex_print
-};
-
-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->canon_enc = NULL;
-	ret->canon_enclen = 0;
-	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);
-	if (a->canon_enc)
-		OPENSSL_free(a->canon_enc);
-	OPENSSL_free(a);
-	*pval = NULL;
-}
-
-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_OF(STACK_OF_X509_NAME_ENTRY) *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_STACK_OF_X509_NAME_ENTRY_num(intname.s); i++) {
-		entries = sk_STACK_OF_X509_NAME_ENTRY_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_STACK_OF_X509_NAME_ENTRY_free(intname.s);
-	ret = x509_name_canon(nm.x);
-	if (!ret)
-		goto err;
-	nm.x->modified = 0;
-	*val = nm.a;
-	*in = p;
-	return ret;
-err:
-        if (nm.x != NULL)
-		X509_NAME_free(nm.x);
-	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(a);
-		if(ret < 0)
-			return ret;
-		ret = x509_name_canon(a);
-		if(ret < 0)
-			return ret;
-	}
-	ret = a->bytes->length;
-	if(out != NULL) {
-		memcpy(*out,a->bytes->data,ret);
-		*out+=ret;
-	}
-	return ret;
-}
-
-static void local_sk_X509_NAME_ENTRY_free(STACK_OF(X509_NAME_ENTRY) *ne)
-	{
-	sk_X509_NAME_ENTRY_free(ne);
-	}
-
-static void local_sk_X509_NAME_ENTRY_pop_free(STACK_OF(X509_NAME_ENTRY) *ne)
-	{
-	sk_X509_NAME_ENTRY_pop_free(ne, X509_NAME_ENTRY_free);
-	}
-
-static int x509_name_encode(X509_NAME *a)
-{
-	union { STACK_OF(STACK_OF_X509_NAME_ENTRY) *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_STACK_OF_X509_NAME_ENTRY_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_STACK_OF_X509_NAME_ENTRY_push(intname.s,
-							     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_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
-					     local_sk_X509_NAME_ENTRY_free);
-	a->modified = 0;
-	return len;
-memerr:
-	sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
-					     local_sk_X509_NAME_ENTRY_free);
-	ASN1err(ASN1_F_X509_NAME_ENCODE, ERR_R_MALLOC_FAILURE);
-	return -1;
-}
-
-static int x509_name_ex_print(BIO *out, ASN1_VALUE **pval,
-						int indent,
-						const char *fname, 
-						const ASN1_PCTX *pctx)
-	{
-	if (X509_NAME_print_ex(out, (X509_NAME *)*pval,
-					indent, pctx->nm_flags) <= 0)
-		return 0;
-	return 2;
-	}
-
-/* This function generates the canonical encoding of the Name structure.
- * In it all strings are converted to UTF8, leading, trailing and
- * multiple spaces collapsed, converted to lower case and the leading
- * SEQUENCE header removed.
- *
- * In future we could also normalize the UTF8 too.
- *
- * By doing this comparison of Name structures can be rapidly
- * perfomed by just using memcmp() of the canonical encoding.
- * By omitting the leading SEQUENCE name constraints of type
- * dirName can also be checked with a simple memcmp().
- */
-
-static int x509_name_canon(X509_NAME *a)
-	{
-	unsigned char *p;
-	STACK_OF(STACK_OF_X509_NAME_ENTRY) *intname = NULL;
-	STACK_OF(X509_NAME_ENTRY) *entries = NULL;
-	X509_NAME_ENTRY *entry, *tmpentry = NULL;
-	int i, set = -1, ret = 0;
-
-	if (a->canon_enc)
-		{
-		OPENSSL_free(a->canon_enc);
-		a->canon_enc = NULL;
-		}
-	/* Special case: empty X509_NAME => null encoding */
-	if (sk_X509_NAME_ENTRY_num(a->entries) == 0)
-		{
-		a->canon_enclen = 0;
-		return 1;
-		}
-	intname = sk_STACK_OF_X509_NAME_ENTRY_new_null();
-	if(!intname)
-		goto err;
-	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 err;
-			if(!sk_STACK_OF_X509_NAME_ENTRY_push(intname, entries))
-				goto err;
-			set = entry->set;
-			}
-		tmpentry = X509_NAME_ENTRY_new();
-		tmpentry->object = OBJ_dup(entry->object);
-		if (!asn1_string_canon(tmpentry->value, entry->value))
-			goto err;
-		if(!sk_X509_NAME_ENTRY_push(entries, tmpentry))
-			goto err;
-		tmpentry = NULL;
-		}
-
-	/* Finally generate encoding */
-
-	a->canon_enclen = i2d_name_canon(intname, NULL);
-
-	p = OPENSSL_malloc(a->canon_enclen);
-
-	if (!p)
-		goto err;
-
-	a->canon_enc = p;
-
-	i2d_name_canon(intname, &p);
-
-	ret = 1;
-
-	err:
-
-	if (tmpentry)
-		X509_NAME_ENTRY_free(tmpentry);
-	if (intname)
-		sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname,
-					local_sk_X509_NAME_ENTRY_pop_free);
-	return ret;
-	}
-
-/* Bitmap of all the types of string that will be canonicalized. */
-
-#define ASN1_MASK_CANON	\
-	(B_ASN1_UTF8STRING | B_ASN1_BMPSTRING | B_ASN1_UNIVERSALSTRING \
-	| B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \
-	| B_ASN1_VISIBLESTRING)
-	
-
-static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in)
-	{
-	unsigned char *to, *from;
-	int len, i;
-
-	/* If type not in bitmask just copy string across */
-	if (!(ASN1_tag2bit(in->type) & ASN1_MASK_CANON))
-		{
-		if (!ASN1_STRING_copy(out, in))
-			return 0;
-		return 1;
-		}
-
-	out->type = V_ASN1_UTF8STRING;
-	out->length = ASN1_STRING_to_UTF8(&out->data, in);
-	if (out->length == -1)
-		return 0;
-
-	to = out->data;
-	from = to;
-
-	len = out->length;
-
-	/* Convert string in place to canonical form.
-	 * Ultimately we may need to handle a wider range of characters
-	 * but for now ignore anything with MSB set and rely on the
-	 * isspace() and tolower() functions.
-	 */
-
-	/* Ignore leading spaces */
-	while((len > 0) && !(*from & 0x80) && isspace(*from))
-		{
-		from++;
-		len--;
-		}
-
-	to = from + len - 1;
-
-	/* Ignore trailing spaces */
-	while ((len > 0) && !(*to & 0x80) && isspace(*to))
-		{
-		to--;
-		len--;
-		}
-
-	to = out->data;
-
-	i = 0;
-	while(i < len)
-		{
-		/* If MSB set just copy across */
-		if (*from & 0x80)
-			{
-			*to++ = *from++;
-			i++;
-			}
-		/* Collapse multiple spaces */
-		else if (isspace(*from))
-			{
-			/* Copy one space across */
-			*to++ = ' ';
-			/* Ignore subsequent spaces. Note: don't need to
-			 * check len here because we know the last 
-			 * character is a non-space so we can't overflow.
-			 */
-			do
-				{
-				from++;
-				i++;
-				}
-			while(!(*from & 0x80) && isspace(*from));
-			}
-		else
-			{
-			*to++ = tolower(*from);
-			from++;
-			i++;
-			}
-		}
-
-	out->length = to - out->data;
-
-	return 1;
-
-	}
-
-static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) *_intname,
-			  unsigned char **in)
-	{
-	int i, len, ltmp;
-	ASN1_VALUE *v;
-	STACK_OF(ASN1_VALUE) *intname = (STACK_OF(ASN1_VALUE) *)_intname;
-
-	len = 0;
-	for (i = 0; i < sk_ASN1_VALUE_num(intname); i++)
-		{
-		v = sk_ASN1_VALUE_value(intname, i);
-		ltmp = ASN1_item_ex_i2d(&v, in,
-			ASN1_ITEM_rptr(X509_NAME_ENTRIES), -1, -1);
-		if (ltmp < 0)
-			return ltmp;
-		len += ltmp;
-		}
-	return len;
-	}
-
-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)