-/* 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 1995-2016 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 "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 name_entry_stack_free(STACK_OF(X509_NAME_ENTRY) *ents)
+{
+ sk_X509_NAME_ENTRY_pop_free(ents, 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 */
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);
+ /*
+ * All entries have now been pushed to nm->x.entries
+ * free up the stacks in intname.s but not the entries
+ * themselves.
+ */
+ sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s, sk_X509_NAME_ENTRY_free);
+ intname.s = NULL;
ret = x509_name_canon(nm.x);
if (!ret)
goto err;
*val = nm.a;
*in = p;
return ret;
+
err:
+ /* If intname.s is not NULL only some entries exist in nm->x.entries:
+ * zero references in nm->x.entries list. Since all entries exist
+ * in intname.s we can free them all there
+ */
+ if (intname.s != NULL) {
+ sk_X509_NAME_ENTRY_zero(nm.x->entries);
+ sk_STACK_OF_X509_NAME_ENTRY_pop_free(intname.s, name_entry_stack_free);
+ }
X509_NAME_free(nm.x);
ASN1err(ASN1_F_X509_NAME_EX_D2I, ERR_R_NESTED_ASN1_ERROR);
return 0;
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().
*/
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;
+ int i, set = -1, ret = 0, len;
OPENSSL_free(a->canon_enc);
a->canon_enc = NULL;
if (tmpentry == NULL)
goto err;
tmpentry->object = OBJ_dup(entry->object);
+ if (tmpentry->object == NULL)
+ goto err;
if (!asn1_string_canon(tmpentry->value, entry->value))
goto err;
if (!sk_X509_NAME_ENTRY_push(entries, tmpentry))
/* 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);
| 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;
len--;
}
- to = from + len - 1;
+ to = from + len;
/* Ignore trailing spaces */
- while ((len > 0) && !(*to & 0x80) && isspace(*to)) {
+ while ((len > 0) && !(to[-1] & 0x80) && isspace(to[-1])) {
to--;
len--;
}
return (*xn != NULL);
}
-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;
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