-/* crypto/asn1/evp_asn1.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
+/*
+ * Copyright 1995-2016 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 "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1.h>
-#include <openssl/asn1_mac.h>
-
-int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, size_t len)
- {
- ASN1_STRING *os;
-
- if ((os=M_ASN1_OCTET_STRING_new()) == NULL) return(0);
- if (!M_ASN1_OCTET_STRING_set(os,data,len)) return(0);
- ASN1_TYPE_set(a,V_ASN1_OCTET_STRING,os);
- return(1);
- }
+#include <openssl/asn1t.h>
+
+int ASN1_TYPE_set_octetstring(ASN1_TYPE *a, unsigned char *data, int len)
+{
+ ASN1_STRING *os;
+
+ if ((os = ASN1_OCTET_STRING_new()) == NULL)
+ return (0);
+ if (!ASN1_OCTET_STRING_set(os, data, len)) {
+ ASN1_OCTET_STRING_free(os);
+ return 0;
+ }
+ ASN1_TYPE_set(a, V_ASN1_OCTET_STRING, os);
+ return (1);
+}
/* int max_len: for returned value */
-int ASN1_TYPE_get_octetstring(ASN1_TYPE *a, unsigned char *data,
- size_t max_len)
- {
- int ret,num;
- unsigned char *p;
-
- if ((a->type != V_ASN1_OCTET_STRING) || (a->value.octet_string == NULL))
- {
- ASN1err(ASN1_F_ASN1_TYPE_GET_OCTETSTRING,ASN1_R_DATA_IS_WRONG);
- return(-1);
- }
- p=M_ASN1_STRING_data(a->value.octet_string);
- ret=M_ASN1_STRING_length(a->value.octet_string);
- if (ret < max_len)
- num=ret;
- else
- num=max_len;
- memcpy(data,p,num);
- return(ret);
- }
+int ASN1_TYPE_get_octetstring(const ASN1_TYPE *a, unsigned char *data, int max_len)
+{
+ int ret, num;
+ unsigned char *p;
+
+ if ((a->type != V_ASN1_OCTET_STRING) || (a->value.octet_string == NULL)) {
+ ASN1err(ASN1_F_ASN1_TYPE_GET_OCTETSTRING, ASN1_R_DATA_IS_WRONG);
+ return (-1);
+ }
+ p = ASN1_STRING_data(a->value.octet_string);
+ ret = ASN1_STRING_length(a->value.octet_string);
+ if (ret < max_len)
+ num = ret;
+ else
+ num = max_len;
+ memcpy(data, p, num);
+ return (ret);
+}
+
+typedef struct {
+ long num;
+ ASN1_OCTET_STRING *oct;
+} asn1_int_oct;
+
+ASN1_SEQUENCE(asn1_int_oct) = {
+ ASN1_SIMPLE(asn1_int_oct, num, LONG),
+ ASN1_SIMPLE(asn1_int_oct, oct, ASN1_OCTET_STRING)
+} static_ASN1_SEQUENCE_END(asn1_int_oct)
+
+DECLARE_ASN1_ITEM(asn1_int_oct)
int ASN1_TYPE_set_int_octetstring(ASN1_TYPE *a, long num, unsigned char *data,
- size_t len)
- {
- int n,size;
- ASN1_OCTET_STRING os,*osp;
- ASN1_INTEGER in;
- unsigned char *p;
- unsigned char buf[32]; /* when they have 256bit longs,
- * I'll be in trouble */
- in.data=buf;
- in.length=32;
- os.data=data;
- os.type=V_ASN1_OCTET_STRING;
- os.length=len;
- ASN1_INTEGER_set(&in,num);
- n = i2d_ASN1_INTEGER(&in,NULL);
- n+=M_i2d_ASN1_OCTET_STRING(&os,NULL);
-
- size=ASN1_object_size(1,n,V_ASN1_SEQUENCE);
-
- if ((osp=ASN1_STRING_new()) == NULL) return(0);
- /* Grow the 'string' */
- if (!ASN1_STRING_set(osp,NULL,size))
- {
- ASN1_STRING_free(osp);
- return(0);
- }
-
- M_ASN1_STRING_length_set(osp, size);
- p=M_ASN1_STRING_data(osp);
-
- ASN1_put_object(&p,1,n,V_ASN1_SEQUENCE,V_ASN1_UNIVERSAL);
- i2d_ASN1_INTEGER(&in,&p);
- M_i2d_ASN1_OCTET_STRING(&os,&p);
-
- ASN1_TYPE_set(a,V_ASN1_SEQUENCE,osp);
- return(1);
- }
-
-/* we return the actual length..., num may be missing, in which
- * case, set it to zero */
+ int len)
+{
+ asn1_int_oct atmp;
+ ASN1_OCTET_STRING oct;
+
+ atmp.num = num;
+ atmp.oct = &oct;
+ oct.data = data;
+ oct.type = V_ASN1_OCTET_STRING;
+ oct.length = len;
+ oct.flags = 0;
+
+ if (ASN1_TYPE_pack_sequence(ASN1_ITEM_rptr(asn1_int_oct), &atmp, &a))
+ return 1;
+ return 0;
+}
+
+/*
+ * we return the actual length...
+ */
/* int max_len: for returned value */
-int ASN1_TYPE_get_int_octetstring(ASN1_TYPE *a, long *num, unsigned char *data,
- size_t max_len)
- {
- int ret= -1,n;
- ASN1_INTEGER *ai=NULL;
- ASN1_OCTET_STRING *os=NULL;
- const unsigned char *p;
- size_t length;
- ASN1_const_CTX c;
-
- if ((a->type != V_ASN1_SEQUENCE) || (a->value.sequence == NULL))
- {
- goto err;
- }
- p=M_ASN1_STRING_data(a->value.sequence);
- length=M_ASN1_STRING_length(a->value.sequence);
-
- c.pp= &p;
- c.p=p;
- c.max=p+length;
- c.error=ASN1_R_DATA_IS_WRONG;
-
- M_ASN1_D2I_start_sequence();
- c.q=c.p;
- if ((ai=d2i_ASN1_INTEGER(NULL,&c.p,c.slen)) == NULL) goto err;
- c.slen-=(c.p-c.q);
- c.q=c.p;
- if ((os=d2i_ASN1_OCTET_STRING(NULL,&c.p,c.slen)) == NULL) goto err;
- c.slen-=(c.p-c.q);
- if (!M_ASN1_D2I_end_sequence()) goto err;
-
- if (num != NULL)
- *num=ASN1_INTEGER_get(ai);
-
- ret=M_ASN1_STRING_length(os);
- if (max_len > ret)
- n=ret;
- else
- n=max_len;
-
- if (data != NULL)
- memcpy(data,M_ASN1_STRING_data(os),n);
- if (0)
- {
-err:
- ASN1err(ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING,ASN1_R_DATA_IS_WRONG);
- }
- if (os != NULL) M_ASN1_OCTET_STRING_free(os);
- if (ai != NULL) M_ASN1_INTEGER_free(ai);
- return(ret);
- }
-
+int ASN1_TYPE_get_int_octetstring(const ASN1_TYPE *a, long *num,
+ unsigned char *data, int max_len)
+{
+ asn1_int_oct *atmp = NULL;
+ int ret = -1, n;
+
+ if ((a->type != V_ASN1_SEQUENCE) || (a->value.sequence == NULL)) {
+ goto err;
+ }
+
+ atmp = ASN1_TYPE_unpack_sequence(ASN1_ITEM_rptr(asn1_int_oct), a);
+
+ if (atmp == NULL)
+ goto err;
+
+ if (num != NULL)
+ *num = atmp->num;
+
+ ret = ASN1_STRING_length(atmp->oct);
+ if (max_len > ret)
+ n = ret;
+ else
+ n = max_len;
+
+ if (data != NULL)
+ memcpy(data, ASN1_STRING_data(atmp->oct), n);
+ if (ret == -1) {
+ err:
+ ASN1err(ASN1_F_ASN1_TYPE_GET_INT_OCTETSTRING, ASN1_R_DATA_IS_WRONG);
+ }
+ M_ASN1_free_of(atmp, asn1_int_oct);
+ return ret;
+}
projects / openssl.git / blobdiff