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Diffstat (limited to 'crypto/x509/x509_att.c')
-rw-r--r--crypto/x509/x509_att.c147
1 files changed, 43 insertions, 104 deletions
diff --git a/crypto/x509/x509_att.c b/crypto/x509/x509_att.c
index 25010753078c..63895efe4608 100644
--- a/crypto/x509/x509_att.c
+++ b/crypto/x509/x509_att.c
@@ -1,69 +1,21 @@
-/* crypto/x509/x509_att.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2017 The OpenSSL Project Authors. 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.]
+ * 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 <openssl/stack.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
+#include <openssl/safestack.h>
#include <openssl/asn1.h>
#include <openssl/objects.h>
#include <openssl/evp.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
+#include "x509_lcl.h"
int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
{
@@ -73,22 +25,21 @@ int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x)
int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid,
int lastpos)
{
- ASN1_OBJECT *obj;
+ const ASN1_OBJECT *obj = OBJ_nid2obj(nid);
- obj = OBJ_nid2obj(nid);
if (obj == NULL)
- return (-2);
- return (X509at_get_attr_by_OBJ(x, obj, lastpos));
+ return -2;
+ return X509at_get_attr_by_OBJ(x, obj, lastpos);
}
int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
- ASN1_OBJECT *obj, int lastpos)
+ const ASN1_OBJECT *obj, int lastpos)
{
int n;
X509_ATTRIBUTE *ex;
if (sk == NULL)
- return (-1);
+ return -1;
lastpos++;
if (lastpos < 0)
lastpos = 0;
@@ -96,17 +47,17 @@ int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk,
for (; lastpos < n; lastpos++) {
ex = sk_X509_ATTRIBUTE_value(sk, lastpos);
if (OBJ_cmp(ex->object, obj) == 0)
- return (lastpos);
+ return lastpos;
}
- return (-1);
+ return -1;
}
X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc)
{
if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
return NULL;
- else
- return sk_X509_ATTRIBUTE_value(x, loc);
+
+ return sk_X509_ATTRIBUTE_value(x, loc);
}
X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
@@ -114,9 +65,9 @@ X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc)
X509_ATTRIBUTE *ret;
if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0)
- return (NULL);
+ return NULL;
ret = sk_X509_ATTRIBUTE_delete(x, loc);
- return (ret);
+ return ret;
}
STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
@@ -142,15 +93,13 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x,
goto err;
if (*x == NULL)
*x = sk;
- return (sk);
+ return sk;
err:
X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_MALLOC_FAILURE);
err2:
- if (new_attr != NULL)
- X509_ATTRIBUTE_free(new_attr);
- if (sk != NULL)
- sk_X509_ATTRIBUTE_free(sk);
- return (NULL);
+ X509_ATTRIBUTE_free(new_attr);
+ sk_X509_ATTRIBUTE_free(sk);
+ return NULL;
}
STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE)
@@ -201,7 +150,7 @@ STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE)
}
void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x,
- ASN1_OBJECT *obj, int lastpos, int type)
+ const ASN1_OBJECT *obj, int lastpos, int type)
{
int i;
X509_ATTRIBUTE *at;
@@ -226,12 +175,12 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid,
obj = OBJ_nid2obj(nid);
if (obj == NULL) {
X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID, X509_R_UNKNOWN_NID);
- return (NULL);
+ return NULL;
}
ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len);
if (ret == NULL)
ASN1_OBJECT_free(obj);
- return (ret);
+ return ret;
}
X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
@@ -245,7 +194,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
if ((ret = X509_ATTRIBUTE_new()) == NULL) {
X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ,
ERR_R_MALLOC_FAILURE);
- return (NULL);
+ return NULL;
}
} else
ret = *attr;
@@ -257,11 +206,11 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr,
if ((attr != NULL) && (*attr == NULL))
*attr = ret;
- return (ret);
+ return ret;
err:
if ((attr == NULL) || (ret != *attr))
X509_ATTRIBUTE_free(ret);
- return (NULL);
+ return NULL;
}
X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
@@ -277,7 +226,7 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT,
X509_R_INVALID_FIELD_NAME);
ERR_add_error_data(2, "name=", atrname);
- return (NULL);
+ return NULL;
}
nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len);
ASN1_OBJECT_free(obj);
@@ -287,10 +236,10 @@ X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr,
int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj)
{
if ((attr == NULL) || (obj == NULL))
- return (0);
+ return 0;
ASN1_OBJECT_free(attr->object);
attr->object = OBJ_dup(obj);
- return (1);
+ return attr->object != NULL;
}
int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
@@ -310,15 +259,12 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
}
atype = stmp->type;
} else if (len != -1) {
- if (!(stmp = ASN1_STRING_type_new(attrtype)))
+ if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL)
goto err;
if (!ASN1_STRING_set(stmp, data, len))
goto err;
atype = attrtype;
}
- if (!(attr->value.set = sk_ASN1_TYPE_new_null()))
- goto err;
- attr->single = 0;
/*
* This is a bit naughty because the attribute should really have at
* least one value but some types use and zero length SET and require
@@ -328,7 +274,7 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
ASN1_STRING_free(stmp);
return 1;
}
- if (!(ttmp = ASN1_TYPE_new()))
+ if ((ttmp = ASN1_TYPE_new()) == NULL)
goto err;
if ((len == -1) && !(attrtype & MBSTRING_FLAG)) {
if (!ASN1_TYPE_set1(ttmp, attrtype, data))
@@ -337,7 +283,7 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
ASN1_TYPE_set(ttmp, atype, stmp);
stmp = NULL;
}
- if (!sk_ASN1_TYPE_push(attr->value.set, ttmp))
+ if (!sk_ASN1_TYPE_push(attr->set, ttmp))
goto err;
return 1;
err:
@@ -347,20 +293,18 @@ int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype,
return 0;
}
-int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr)
+int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr)
{
- if (!attr->single)
- return sk_ASN1_TYPE_num(attr->value.set);
- if (attr->value.single)
- return 1;
- return 0;
+ if (attr == NULL)
+ return 0;
+ return sk_ASN1_TYPE_num(attr->set);
}
ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr)
{
if (attr == NULL)
- return (NULL);
- return (attr->object);
+ return NULL;
+ return attr->object;
}
void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
@@ -380,11 +324,6 @@ void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx,
ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx)
{
if (attr == NULL)
- return (NULL);
- if (idx >= X509_ATTRIBUTE_count(attr))
return NULL;
- if (!attr->single)
- return sk_ASN1_TYPE_value(attr->value.set, idx);
- else
- return attr->value.single;
+ return sk_ASN1_TYPE_value(attr->set, idx);
}