-/* crypto/x509/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.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
*
- * 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.]
+ * Licensed under the OpenSSL license (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 <ctype.h>
+#include "internal/ctype.h"
#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include "internal/asn1_int.h"
#include "x509_lcl.h"
+/*
+ * Maximum length of X509_NAME: much larger than anything we should
+ * ever see in practice.
+ */
+
+#define X509_NAME_MAX (1024 * 1024)
+
static int x509_name_ex_d2i(ASN1_VALUE **val,
const unsigned char **in, long len,
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 asn1_string_canon(ASN1_STRING *out, const ASN1_STRING *in);
static int i2d_name_canon(STACK_OF(STACK_OF_X509_NAME_ENTRY) * intname,
unsigned char **in);
*pval = NULL;
}
+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_ex_d2i(ASN1_VALUE **val,
const unsigned char **in, long len,
const ASN1_ITEM *it, int tag, int aclass,
int i, j, ret;
STACK_OF(X509_NAME_ENTRY) *entries;
X509_NAME_ENTRY *entry;
+ if (len > X509_NAME_MAX)
+ len = X509_NAME_MAX;
q = p;
/* Get internal representation of Name */
entry->set = i;
if (!sk_X509_NAME_ENTRY_push(nm.x->entries, entry))
goto err;
+ sk_X509_NAME_ENTRY_set(entries, j, NULL);
}
- 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;
+ sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
+ local_sk_X509_NAME_ENTRY_free);
nm.x->modified = 0;
*val = nm.a;
*in = p;
return ret;
+
err:
- X509_NAME_free(nm.x);
+ if (nm.x != NULL)
+ X509_NAME_free(nm.x);
+ sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s,
+ local_sk_X509_NAME_ENTRY_pop_free);
ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
return 0;
}
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 {
entries = sk_X509_NAME_ENTRY_new_null();
if (!entries)
goto memerr;
- if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname.s, entries))
+ if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname.s, entries)) {
+ sk_X509_NAME_ENTRY_free(entries);
goto memerr;
+ }
set = entry->set;
}
if (!sk_X509_NAME_ENTRY_push(entries, entry))
int indent,
const char *fname, const ASN1_PCTX *pctx)
{
- if (X509_NAME_print_ex(out, (X509_NAME *)*pval,
+ if (X509_NAME_print_ex(out, (const X509_NAME *)*pval,
indent, pctx->nm_flags) <= 0)
return 0;
return 2;
* 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
+ * comparison of Name structures can be rapidly performed 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(STACK_OF_X509_NAME_ENTRY) *intname;
STACK_OF(X509_NAME_ENTRY) *entries = NULL;
X509_NAME_ENTRY *entry, *tmpentry = NULL;
- int i, set = -1, ret = 0;
+ int i, set = -1, ret = 0, len;
OPENSSL_free(a->canon_enc);
a->canon_enc = NULL;
return 1;
}
intname = sk_STACK_OF_X509_NAME_ENTRY_new_null();
- if (!intname)
+ if (intname == NULL) {
+ X509err(X509_F_X509_NAME_CANON, ERR_R_MALLOC_FAILURE);
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)
+ if (entries == NULL)
goto err;
- if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname, entries))
+ if (!sk_STACK_OF_X509_NAME_ENTRY_push(intname, entries)) {
+ sk_X509_NAME_ENTRY_free(entries);
+ X509err(X509_F_X509_NAME_CANON, ERR_R_MALLOC_FAILURE);
goto err;
+ }
set = entry->set;
}
tmpentry = X509_NAME_ENTRY_new();
- if (tmpentry == NULL)
+ if (tmpentry == NULL) {
+ X509err(X509_F_X509_NAME_CANON, ERR_R_MALLOC_FAILURE);
goto err;
+ }
tmpentry->object = OBJ_dup(entry->object);
+ if (tmpentry->object == NULL) {
+ X509err(X509_F_X509_NAME_CANON, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
if (!asn1_string_canon(tmpentry->value, entry->value))
goto err;
- if (!sk_X509_NAME_ENTRY_push(entries, tmpentry))
+ if (!sk_X509_NAME_ENTRY_push(entries, tmpentry)) {
+ X509err(X509_F_X509_NAME_CANON, ERR_R_MALLOC_FAILURE);
goto err;
+ }
tmpentry = NULL;
}
/* Finally generate encoding */
-
- a->canon_enclen = i2d_name_canon(intname, NULL);
+ len = i2d_name_canon(intname, NULL);
+ if (len < 0)
+ goto err;
+ a->canon_enclen = len;
p = OPENSSL_malloc(a->canon_enclen);
-
- if (p == NULL)
+ if (p == NULL) {
+ X509err(X509_F_X509_NAME_CANON, ERR_R_MALLOC_FAILURE);
goto err;
+ }
a->canon_enc = p;
ret = 1;
err:
-
X509_NAME_ENTRY_free(tmpentry);
sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname,
local_sk_X509_NAME_ENTRY_pop_free);
| B_ASN1_PRINTABLESTRING | B_ASN1_T61STRING | B_ASN1_IA5STRING \
| B_ASN1_VISIBLESTRING)
-static int asn1_string_canon(ASN1_STRING *out, ASN1_STRING *in)
+static int asn1_string_canon(ASN1_STRING *out, const ASN1_STRING *in)
{
unsigned char *to, *from;
int len, i;
/*
* 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.
+ * MSB set and rely on the ossl_isspace() to fail on bad characters without
+ * needing isascii or range checks as well.
*/
/* Ignore leading spaces */
- while ((len > 0) && !(*from & 0x80) && isspace(*from)) {
+ while (len > 0 && ossl_isspace(*from)) {
from++;
len--;
}
- to = from + len - 1;
+ to = from + len;
/* Ignore trailing spaces */
- while ((len > 0) && !(*to & 0x80) && isspace(*to)) {
+ while (len > 0 && ossl_isspace(to[-1])) {
to--;
len--;
}
i = 0;
while (i < len) {
- /* If MSB set just copy across */
- if (*from & 0x80) {
+ /* If not ASCII set just copy across */
+ if (!ossl_isascii(*from)) {
*to++ = *from++;
i++;
}
/* Collapse multiple spaces */
- else if (isspace(*from)) {
+ else if (ossl_isspace(*from)) {
/* Copy one space across */
*to++ = ' ';
/*
from++;
i++;
}
- while (!(*from & 0x80) && isspace(*from));
+ while (ossl_isspace(*from));
} else {
- *to++ = tolower(*from);
+ *to++ = ossl_tolower(*from);
from++;
i++;
}
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);
+ if ((name = X509_NAME_dup(name)) == NULL)
+ return 0;
+ X509_NAME_free(*xn);
+ *xn = name;
+ return 1;
}
-int X509_NAME_print(BIO *bp, X509_NAME *name, int obase)
+int X509_NAME_print(BIO *bp, const X509_NAME *name, int obase)
{
char *s, *c, *b;
int l, i;
c = s;
for (;;) {
-#ifndef CHARSET_EBCDIC
if (((*s == '/') &&
- ((s[1] >= 'A') && (s[1] <= 'Z') && ((s[2] == '=') ||
- ((s[2] >= 'A')
- && (s[2] <= 'Z')
- && (s[3] == '='))
+ (ossl_isupper(s[1]) && ((s[2] == '=') ||
+ (ossl_isupper(s[2]) && (s[3] == '='))
))) || (*s == '\0'))
-#else
- if (((*s == '/') &&
- (isupper(s[1]) && ((s[2] == '=') ||
- (isupper(s[2]) && (s[3] == '='))
- ))) || (*s == '\0'))
-#endif
{
i = s - c;
if (BIO_write(bp, c, i) != i)
OPENSSL_free(b);
return 0;
}
+
+int X509_NAME_get0_der(X509_NAME *nm, const unsigned char **pder,
+ size_t *pderlen)
+{
+ /* Make sure encoding is valid */
+ if (i2d_X509_NAME(nm, NULL) <= 0)
+ return 0;
+ if (pder != NULL)
+ *pder = (unsigned char *)nm->bytes->data;
+ if (pderlen != NULL)
+ *pderlen = nm->bytes->length;
+ return 1;
+}
projects / openssl.git / blobdiff