Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/asn1/a_mbstr.c

Index: openssl/crypto/asn1/a_mbstr.c
diff --git a/openssl/crypto/asn1/a_mbstr.c b/openssl/crypto/asn1/a_mbstr.c
deleted file mode 100644
index 1538e0a4fc250d535c23a8fe9386165916645160..0000000000000000000000000000000000000000
--- a/openssl/crypto/asn1/a_mbstr.c
+++ /dev/null
@@ -1,400 +0,0 @@
-/* a_mbstr.c */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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 <stdio.h>
-#include <ctype.h>
-#include "cryptlib.h"
-#include <openssl/asn1.h>
-
-static int traverse_string(const unsigned char *p, int len, int inform,
-		 int (*rfunc)(unsigned long value, void *in), void *arg);
-static int in_utf8(unsigned long value, void *arg);
-static int out_utf8(unsigned long value, void *arg);
-static int type_str(unsigned long value, void *arg);
-static int cpy_asc(unsigned long value, void *arg);
-static int cpy_bmp(unsigned long value, void *arg);
-static int cpy_univ(unsigned long value, void *arg);
-static int cpy_utf8(unsigned long value, void *arg);
-static int is_printable(unsigned long value);
-
-/* These functions take a string in UTF8, ASCII or multibyte form and
- * a mask of permissible ASN1 string types. It then works out the minimal
- * type (using the order Printable < IA5 < T61 < BMP < Universal < UTF8)
- * and creates a string of the correct type with the supplied data.
- * Yes this is horrible: it has to be :-(
- * The 'ncopy' form checks minimum and maximum size limits too.
- */
-
-int ASN1_mbstring_copy(ASN1_STRING **out, const unsigned char *in, int len,
-					int inform, unsigned long mask)
-{
-	return ASN1_mbstring_ncopy(out, in, len, inform, mask, 0, 0);
-}
-
-int ASN1_mbstring_ncopy(ASN1_STRING **out, const unsigned char *in, int len,
-					int inform, unsigned long mask, 
-					long minsize, long maxsize)
-{
-	int str_type;
-	int ret;
-	char free_out;
-	int outform, outlen = 0;
-	ASN1_STRING *dest;
-	unsigned char *p;
-	int nchar;
-	char strbuf[32];
-	int (*cpyfunc)(unsigned long,void *) = NULL;
-	if(len == -1) len = strlen((const char *)in);
-	if(!mask) mask = DIRSTRING_TYPE;
-
-	/* First do a string check and work out the number of characters */
-	switch(inform) {
-
-		case MBSTRING_BMP:
-		if(len & 1) {
-			ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
-					 ASN1_R_INVALID_BMPSTRING_LENGTH);
-			return -1;
-		}
-		nchar = len >> 1;
-		break;
-
-		case MBSTRING_UNIV:
-		if(len & 3) {
-			ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
-					 ASN1_R_INVALID_UNIVERSALSTRING_LENGTH);
-			return -1;
-		}
-		nchar = len >> 2;
-		break;
-
-		case MBSTRING_UTF8:
-		nchar = 0;
-		/* This counts the characters and does utf8 syntax checking */
-		ret = traverse_string(in, len, MBSTRING_UTF8, in_utf8, &nchar);
-		if(ret < 0) {
-			ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
-						 ASN1_R_INVALID_UTF8STRING);
-			return -1;
-		}
-		break;
-
-		case MBSTRING_ASC:
-		nchar = len;
-		break;
-
-		default:
-		ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_UNKNOWN_FORMAT);
-		return -1;
-	}
-
-	if((minsize > 0) && (nchar < minsize)) {
-		ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_SHORT);
-		BIO_snprintf(strbuf, sizeof strbuf, "%ld", minsize);
-		ERR_add_error_data(2, "minsize=", strbuf);
-		return -1;
-	}
-
-	if((maxsize > 0) && (nchar > maxsize)) {
-		ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_STRING_TOO_LONG);
-		BIO_snprintf(strbuf, sizeof strbuf, "%ld", maxsize);
-		ERR_add_error_data(2, "maxsize=", strbuf);
-		return -1;
-	}
-
-	/* Now work out minimal type (if any) */
-	if(traverse_string(in, len, inform, type_str, &mask) < 0) {
-		ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY, ASN1_R_ILLEGAL_CHARACTERS);
-		return -1;
-	}
-
-
-	/* Now work out output format and string type */
-	outform = MBSTRING_ASC;
-	if(mask & B_ASN1_PRINTABLESTRING) str_type = V_ASN1_PRINTABLESTRING;
-	else if(mask & B_ASN1_IA5STRING) str_type = V_ASN1_IA5STRING;
-	else if(mask & B_ASN1_T61STRING) str_type = V_ASN1_T61STRING;
-	else if(mask & B_ASN1_BMPSTRING) {
-		str_type = V_ASN1_BMPSTRING;
-		outform = MBSTRING_BMP;
-	} else if(mask & B_ASN1_UNIVERSALSTRING) {
-		str_type = V_ASN1_UNIVERSALSTRING;
-		outform = MBSTRING_UNIV;
-	} else {
-		str_type = V_ASN1_UTF8STRING;
-		outform = MBSTRING_UTF8;
-	}
-	if(!out) return str_type;
-	if(*out) {
-		free_out = 0;
-		dest = *out;
-		if(dest->data) {
-			dest->length = 0;
-			OPENSSL_free(dest->data);
-			dest->data = NULL;
-		}
-		dest->type = str_type;
-	} else {
-		free_out = 1;
-		dest = ASN1_STRING_type_new(str_type);
-		if(!dest) {
-			ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,
-							ERR_R_MALLOC_FAILURE);
-			return -1;
-		}
-		*out = dest;
-	}
-	/* If both the same type just copy across */
-	if(inform == outform) {
-		if(!ASN1_STRING_set(dest, in, len)) {
-			ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE);
-			return -1;
-		}
-		return str_type;
-	} 
-
-	/* Work out how much space the destination will need */
-	switch(outform) {
-		case MBSTRING_ASC:
-		outlen = nchar;
-		cpyfunc = cpy_asc;
-		break;
-
-		case MBSTRING_BMP:
-		outlen = nchar << 1;
-		cpyfunc = cpy_bmp;
-		break;
-
-		case MBSTRING_UNIV:
-		outlen = nchar << 2;
-		cpyfunc = cpy_univ;
-		break;
-
-		case MBSTRING_UTF8:
-		outlen = 0;
-		traverse_string(in, len, inform, out_utf8, &outlen);
-		cpyfunc = cpy_utf8;
-		break;
-	}
-	if(!(p = OPENSSL_malloc(outlen + 1))) {
-		if(free_out) ASN1_STRING_free(dest);
-		ASN1err(ASN1_F_ASN1_MBSTRING_NCOPY,ERR_R_MALLOC_FAILURE);
-		return -1;
-	}
-	dest->length = outlen;
-	dest->data = p;
-	p[outlen] = 0;
-	traverse_string(in, len, inform, cpyfunc, &p);
-	return str_type;	
-}
-
-/* This function traverses a string and passes the value of each character
- * to an optional function along with a void * argument.
- */
-
-static int traverse_string(const unsigned char *p, int len, int inform,
-		 int (*rfunc)(unsigned long value, void *in), void *arg)
-{
-	unsigned long value;
-	int ret;
-	while(len) {
-		if(inform == MBSTRING_ASC) {
-			value = *p++;
-			len--;
-		} else if(inform == MBSTRING_BMP) {
-			value = *p++ << 8;
-			value |= *p++;
-			len -= 2;
-		} else if(inform == MBSTRING_UNIV) {
-			value = ((unsigned long)*p++) << 24;
-			value |= ((unsigned long)*p++) << 16;
-			value |= *p++ << 8;
-			value |= *p++;
-			len -= 4;
-		} else {
-			ret = UTF8_getc(p, len, &value);
-			if(ret < 0) return -1;
-			len -= ret;
-			p += ret;
-		}
-		if(rfunc) {
-			ret = rfunc(value, arg);
-			if(ret <= 0) return ret;
-		}
-	}
-	return 1;
-}
-
-/* Various utility functions for traverse_string */
-
-/* Just count number of characters */
-
-static int in_utf8(unsigned long value, void *arg)
-{
-	int *nchar;
-	nchar = arg;
-	(*nchar)++;
-	return 1;
-}
-
-/* Determine size of output as a UTF8 String */
-
-static int out_utf8(unsigned long value, void *arg)
-{
-	int *outlen;
-	outlen = arg;
-	*outlen += UTF8_putc(NULL, -1, value);
-	return 1;
-}
-
-/* Determine the "type" of a string: check each character against a
- * supplied "mask".
- */
-
-static int type_str(unsigned long value, void *arg)
-{
-	unsigned long types;
-	types = *((unsigned long *)arg);
-	if((types & B_ASN1_PRINTABLESTRING) && !is_printable(value))
-					types &= ~B_ASN1_PRINTABLESTRING;
-	if((types & B_ASN1_IA5STRING) && (value > 127))
-					types &= ~B_ASN1_IA5STRING;
-	if((types & B_ASN1_T61STRING) && (value > 0xff))
-					types &= ~B_ASN1_T61STRING;
-	if((types & B_ASN1_BMPSTRING) && (value > 0xffff))
-					types &= ~B_ASN1_BMPSTRING;
-	if(!types) return -1;
-	*((unsigned long *)arg) = types;
-	return 1;
-}
-
-/* Copy one byte per character ASCII like strings */
-
-static int cpy_asc(unsigned long value, void *arg)
-{
-	unsigned char **p, *q;
-	p = arg;
-	q = *p;
-	*q = (unsigned char) value;
-	(*p)++;
-	return 1;
-}
-
-/* Copy two byte per character BMPStrings */
-
-static int cpy_bmp(unsigned long value, void *arg)
-{
-	unsigned char **p, *q;
-	p = arg;
-	q = *p;
-	*q++ = (unsigned char) ((value >> 8) & 0xff);
-	*q = (unsigned char) (value & 0xff);
-	*p += 2;
-	return 1;
-}
-
-/* Copy four byte per character UniversalStrings */
-
-static int cpy_univ(unsigned long value, void *arg)
-{
-	unsigned char **p, *q;
-	p = arg;
-	q = *p;
-	*q++ = (unsigned char) ((value >> 24) & 0xff);
-	*q++ = (unsigned char) ((value >> 16) & 0xff);
-	*q++ = (unsigned char) ((value >> 8) & 0xff);
-	*q = (unsigned char) (value & 0xff);
-	*p += 4;
-	return 1;
-}
-
-/* Copy to a UTF8String */
-
-static int cpy_utf8(unsigned long value, void *arg)
-{
-	unsigned char **p;
-	int ret;
-	p = arg;
-	/* We already know there is enough room so pass 0xff as the length */
-	ret = UTF8_putc(*p, 0xff, value);
-	*p += ret;
-	return 1;
-}
-
-/* Return 1 if the character is permitted in a PrintableString */
-static int is_printable(unsigned long value)
-{
-	int ch;
-	if(value > 0x7f) return 0;
-	ch = (int) value;
-	/* Note: we can't use 'isalnum' because certain accented 
-	 * characters may count as alphanumeric in some environments.
-	 */
-#ifndef CHARSET_EBCDIC
-	if((ch >= 'a') && (ch <= 'z')) return 1;
-	if((ch >= 'A') && (ch <= 'Z')) return 1;
-	if((ch >= '0') && (ch <= '9')) return 1;
-	if ((ch == ' ') || strchr("'()+,-./:=?", ch)) return 1;
-#else /*CHARSET_EBCDIC*/
-	if((ch >= os_toascii['a']) && (ch <= os_toascii['z'])) return 1;
-	if((ch >= os_toascii['A']) && (ch <= os_toascii['Z'])) return 1;
-	if((ch >= os_toascii['0']) && (ch <= os_toascii['9'])) return 1;
-	if ((ch == os_toascii[' ']) || strchr("'()+,-./:=?", os_toebcdic[ch])) return 1;
-#endif /*CHARSET_EBCDIC*/
-	return 0;
-}