-/* a_strex.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2000.
- */
-/* ====================================================================
- * Copyright (c) 2000 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).
+ * Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
#include <string.h>
#include "internal/cryptlib.h"
+#include "internal/asn1_int.h"
#include <openssl/crypto.h>
#include <openssl/x509.h>
#include <openssl/asn1.h>
#define CHARTYPE_BS_ESC (ASN1_STRFLGS_ESC_2253 | CHARTYPE_FIRST_ESC_2253 | CHARTYPE_LAST_ESC_2253)
#define ESC_FLAGS (ASN1_STRFLGS_ESC_2253 | \
+ ASN1_STRFLGS_ESC_2254 | \
ASN1_STRFLGS_ESC_QUOTE | \
ASN1_STRFLGS_ESC_CTRL | \
ASN1_STRFLGS_ESC_MSB)
return 1;
}
+#ifndef OPENSSL_NO_STDIO
static int send_fp_chars(void *arg, const void *buf, int len)
{
if (!arg)
return 0;
return 1;
}
+#endif
typedef int char_io (void *arg, const void *buf, int len);
* even 4 byte forms.
*/
-static int do_esc_char(unsigned long c, unsigned char flags, char *do_quotes,
+static int do_esc_char(unsigned long c, unsigned short flags, char *do_quotes,
char_io *io_ch, void *arg)
{
- unsigned char chflgs, chtmp;
+ unsigned short chflgs;
+ unsigned char chtmp;
char tmphex[HEX_SIZE(long) + 3];
if (c > 0xffffffffL)
return -1;
if (c > 0xffff) {
- BIO_snprintf(tmphex, sizeof tmphex, "\\W%08lX", c);
+ BIO_snprintf(tmphex, sizeof(tmphex), "\\W%08lX", c);
if (!io_ch(arg, tmphex, 10))
return -1;
return 10;
}
if (c > 0xff) {
- BIO_snprintf(tmphex, sizeof tmphex, "\\U%04lX", c);
+ BIO_snprintf(tmphex, sizeof(tmphex), "\\U%04lX", c);
if (!io_ch(arg, tmphex, 6))
return -1;
return 6;
return -1;
return 2;
}
- if (chflgs & (ASN1_STRFLGS_ESC_CTRL | ASN1_STRFLGS_ESC_MSB)) {
+ if (chflgs & (ASN1_STRFLGS_ESC_CTRL
+ | ASN1_STRFLGS_ESC_MSB
+ | ASN1_STRFLGS_ESC_2254)) {
BIO_snprintf(tmphex, 11, "\\%02X", chtmp);
if (!io_ch(arg, tmphex, 3))
return -1;
* If we get this far and do any escaping at all must escape the escape
* character itself: backslash.
*/
- if (chtmp == '\\' && flags & ESC_FLAGS) {
+ if (chtmp == '\\' && (flags & ESC_FLAGS)) {
if (!io_ch(arg, "\\\\", 2))
return -1;
return 2;
*/
static int do_buf(unsigned char *buf, int buflen,
- int type, unsigned char flags, char *quotes, char_io *io_ch,
+ int type, unsigned short flags, char *quotes, char_io *io_ch,
void *arg)
{
- int i, outlen, len;
- unsigned char orflags, *p, *q;
+ int i, outlen, len, charwidth;
+ unsigned short orflags;
+ unsigned char *p, *q;
unsigned long c;
+
p = buf;
q = buf + buflen;
outlen = 0;
+ charwidth = type & BUF_TYPE_WIDTH_MASK;
+
+ switch (charwidth) {
+ case 4:
+ if (buflen & 3) {
+ ASN1err(ASN1_F_DO_BUF, ASN1_R_INVALID_UNIVERSALSTRING_LENGTH);
+ return -1;
+ }
+ break;
+ case 2:
+ if (buflen & 1) {
+ ASN1err(ASN1_F_DO_BUF, ASN1_R_INVALID_BMPSTRING_LENGTH);
+ return -1;
+ }
+ break;
+ default:
+ break;
+ }
+
while (p != q) {
if (p == buf && flags & ASN1_STRFLGS_ESC_2253)
orflags = CHARTYPE_FIRST_ESC_2253;
else
orflags = 0;
- switch (type & BUF_TYPE_WIDTH_MASK) {
+
+ switch (charwidth) {
case 4:
c = ((unsigned long)*p++) << 24;
c |= ((unsigned long)*p++) << 16;
i = UTF8_getc(p, buflen, &c);
if (i < 0)
return -1; /* Invalid UTF8String */
+ buflen -= i;
p += i;
break;
default:
if (type & BUF_TYPE_CONVUTF8) {
unsigned char utfbuf[6];
int utflen;
- utflen = UTF8_putc(utfbuf, sizeof utfbuf, c);
+ utflen = UTF8_putc(utfbuf, sizeof(utfbuf), c);
for (i = 0; i < utflen; i++) {
/*
* We don't need to worry about setting orflags correctly
* otherwise each character will be > 0x7f and so the
* character will never be escaped on first and last.
*/
- len =
- do_esc_char(utfbuf[i], (unsigned char)(flags | orflags),
- quotes, io_ch, arg);
+ len = do_esc_char(utfbuf[i], flags | orflags, quotes,
+ io_ch, arg);
if (len < 0)
return -1;
outlen += len;
}
} else {
- len =
- do_esc_char(c, (unsigned char)(flags | orflags), quotes,
- io_ch, arg);
+ len = do_esc_char(c, flags | orflags, quotes,
+ io_ch, arg);
if (len < 0)
return -1;
outlen += len;
*/
static int do_dump(unsigned long lflags, char_io *io_ch, void *arg,
- ASN1_STRING *str)
+ const ASN1_STRING *str)
{
/*
* Placing the ASN1_STRING in a temp ASN1_TYPE allows the DER encoding to
t.type = str->type;
t.value.ptr = (char *)str;
der_len = i2d_ASN1_TYPE(&t, NULL);
- der_buf = OPENSSL_malloc(der_len);
- if (!der_buf)
+ if ((der_buf = OPENSSL_malloc(der_len)) == NULL) {
+ ASN1err(ASN1_F_DO_DUMP, ERR_R_MALLOC_FAILURE);
return -1;
+ }
p = der_buf;
i2d_ASN1_TYPE(&t, &p);
outlen = do_hex_dump(io_ch, arg, der_buf, der_len);
static const signed char tag2nbyte[] = {
-1, -1, -1, -1, -1, /* 0-4 */
-1, -1, -1, -1, -1, /* 5-9 */
- -1, -1, 0, -1, /* 10-13 */
- -1, -1, -1, -1, /* 15-17 */
- -1, 1, 1, /* 18-20 */
- -1, 1, 1, 1, /* 21-24 */
- -1, 1, -1, /* 25-27 */
- 4, -1, 2 /* 28-30 */
+ -1, -1, /* 10-11 */
+ 0, /* 12 V_ASN1_UTF8STRING */
+ -1, -1, -1, -1, -1, /* 13-17 */
+ 1, /* 18 V_ASN1_NUMERICSTRING */
+ 1, /* 19 V_ASN1_PRINTABLESTRING */
+ 1, /* 20 V_ASN1_T61STRING */
+ -1, /* 21 */
+ 1, /* 22 V_ASN1_IA5STRING */
+ 1, /* 23 V_ASN1_UTCTIME */
+ 1, /* 24 V_ASN1_GENERALIZEDTIME */
+ -1, /* 25 */
+ 1, /* 26 V_ASN1_ISO64STRING */
+ -1, /* 27 */
+ 4, /* 28 V_ASN1_UNIVERSALSTRING */
+ -1, /* 29 */
+ 2 /* 30 V_ASN1_BMPSTRING */
};
/*
*/
static int do_print_ex(char_io *io_ch, void *arg, unsigned long lflags,
- ASN1_STRING *str)
+ const ASN1_STRING *str)
{
int outlen, len;
int type;
char quotes;
- unsigned char flags;
+ unsigned short flags;
quotes = 0;
/* Keep a copy of escape flags */
- flags = (unsigned char)(lflags & ESC_FLAGS);
+ flags = (unsigned short)(lflags & ESC_FLAGS);
type = str->type;
#define FN_WIDTH_LN 25
#define FN_WIDTH_SN 10
-static int do_name_ex(char_io *io_ch, void *arg, X509_NAME *n,
+static int do_name_ex(char_io *io_ch, void *arg, const X509_NAME *n,
int indent, unsigned long flags)
{
int i, prev = -1, orflags, cnt;
int fn_opt, fn_nid;
ASN1_OBJECT *fn;
- ASN1_STRING *val;
- X509_NAME_ENTRY *ent;
+ const ASN1_STRING *val;
+ const X509_NAME_ENTRY *ent;
char objtmp[80];
const char *objbuf;
int outlen, len;
if (fn_opt != XN_FLAG_FN_NONE) {
int objlen, fld_len;
if ((fn_opt == XN_FLAG_FN_OID) || (fn_nid == NID_undef)) {
- OBJ_obj2txt(objtmp, sizeof objtmp, fn, 1);
+ OBJ_obj2txt(objtmp, sizeof(objtmp), fn, 1);
fld_len = 0; /* XXX: what should this be? */
objbuf = objtmp;
} else {
/* Wrappers round the main functions */
-int X509_NAME_print_ex(BIO *out, X509_NAME *nm, int indent,
+int X509_NAME_print_ex(BIO *out, const X509_NAME *nm, int indent,
unsigned long flags)
{
if (flags == XN_FLAG_COMPAT)
}
#ifndef OPENSSL_NO_STDIO
-int X509_NAME_print_ex_fp(FILE *fp, X509_NAME *nm, int indent,
+int X509_NAME_print_ex_fp(FILE *fp, const X509_NAME *nm, int indent,
unsigned long flags)
{
if (flags == XN_FLAG_COMPAT) {
}
#endif
-int ASN1_STRING_print_ex(BIO *out, ASN1_STRING *str, unsigned long flags)
+int ASN1_STRING_print_ex(BIO *out, const ASN1_STRING *str, unsigned long flags)
{
return do_print_ex(send_bio_chars, out, flags, str);
}
#ifndef OPENSSL_NO_STDIO
-int ASN1_STRING_print_ex_fp(FILE *fp, ASN1_STRING *str, unsigned long flags)
+int ASN1_STRING_print_ex_fp(FILE *fp, const ASN1_STRING *str, unsigned long flags)
{
return do_print_ex(send_fp_chars, fp, flags, str);
}
* in output string or a negative error code
*/
-int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in)
+int ASN1_STRING_to_UTF8(unsigned char **out, const ASN1_STRING *in)
{
ASN1_STRING stmp, *str = &stmp;
int mbflag, type, ret;
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