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authorMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2017-09-13 12:09:40 -0700
committerMathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>2017-09-13 12:09:40 -0700
commitb6f94dbeacfc6f0a507413096189304c58dbe66c (patch)
treebce8c7db22209078618294c51d95a0c033aec7d9 /Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c
parent25f7fd1fb389a5f6356f353d16c5ead80dac6bbc (diff)
downloadefi-boot-shim-upstream/13_git1505328970.9c1c35c5.tar.gz
efi-boot-shim-upstream/13_git1505328970.9c1c35c5.zip
New upstream version 13~git1505328970.9c1c35c5upstream/13_git1505328970.9c1c35c5
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c115
1 files changed, 82 insertions, 33 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c b/Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c
index e5c1d0ed..51b6f245 100644
--- a/Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c
+++ b/Cryptlib/OpenSSL/crypto/asn1/a_d2i_fp.c
@@ -1,23 +1,71 @@
-/*
- * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
+/* crypto/asn1/a_d2i_fp.c */
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
*
- * 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
+ * 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.]
*/
#include <stdio.h>
#include <limits.h>
-#include "internal/cryptlib.h"
-#include "internal/numbers.h"
+#include "cryptlib.h"
#include <openssl/buffer.h>
-#include <openssl/asn1.h>
+#include <openssl/asn1_mac.h>
static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb);
#ifndef NO_OLD_ASN1
-# ifndef OPENSSL_NO_STDIO
+# ifndef OPENSSL_NO_FP_API
void *ASN1_d2i_fp(void *(*xnew) (void), d2i_of_void *d2i, FILE *in, void **x)
{
@@ -49,7 +97,8 @@ void *ASN1_d2i_bio(void *(*xnew) (void), d2i_of_void *d2i, BIO *in, void **x)
p = (unsigned char *)b->data;
ret = d2i(x, &p, len);
err:
- BUF_MEM_free(b);
+ if (b != NULL)
+ BUF_MEM_free(b);
return (ret);
}
@@ -69,11 +118,12 @@ void *ASN1_item_d2i_bio(const ASN1_ITEM *it, BIO *in, void *x)
p = (const unsigned char *)b->data;
ret = ASN1_item_d2i(x, &p, len, it);
err:
- BUF_MEM_free(b);
+ if (b != NULL)
+ BUF_MEM_free(b);
return (ret);
}
-#ifndef OPENSSL_NO_STDIO
+#ifndef OPENSSL_NO_FP_API
void *ASN1_item_d2i_fp(const ASN1_ITEM *it, FILE *in, void *x)
{
BIO *b;
@@ -97,15 +147,12 @@ static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)
BUF_MEM *b;
unsigned char *p;
int i;
+ ASN1_const_CTX c;
size_t want = HEADER_SIZE;
- uint32_t eos = 0;
+ int eos = 0;
size_t off = 0;
size_t len = 0;
- const unsigned char *q;
- long slen;
- int inf, tag, xclass;
-
b = BUF_MEM_new();
if (b == NULL) {
ASN1err(ASN1_F_ASN1_D2I_READ_BIO, ERR_R_MALLOC_FAILURE);
@@ -137,9 +184,10 @@ static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)
/* else data already loaded */
p = (unsigned char *)&(b->data[off]);
- q = p;
- inf = ASN1_get_object(&q, &slen, &tag, &xclass, len - off);
- if (inf & 0x80) {
+ c.p = p;
+ c.inf = ASN1_get_object(&(c.p), &(c.slen), &(c.tag), &(c.xclass),
+ len - off);
+ if (c.inf & 0x80) {
unsigned long e;
e = ERR_GET_REASON(ERR_peek_error());
@@ -148,27 +196,27 @@ static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)
else
ERR_clear_error(); /* clear error */
}
- i = q - p; /* header length */
+ i = c.p - p; /* header length */
off += i; /* end of data */
- if (inf & 1) {
+ if (c.inf & 1) {
/* no data body so go round again */
- if (eos == UINT32_MAX) {
+ eos++;
+ if (eos < 0) {
ASN1err(ASN1_F_ASN1_D2I_READ_BIO, ASN1_R_HEADER_TOO_LONG);
goto err;
}
- eos++;
want = HEADER_SIZE;
- } else if (eos && (slen == 0) && (tag == V_ASN1_EOC)) {
+ } else if (eos && (c.slen == 0) && (c.tag == V_ASN1_EOC)) {
/* eos value, so go back and read another header */
eos--;
- if (eos == 0)
+ if (eos <= 0)
break;
else
want = HEADER_SIZE;
} else {
- /* suck in slen bytes of data */
- want = slen;
+ /* suck in c.slen bytes of data */
+ want = c.slen;
if (want > (len - off)) {
size_t chunk_max = ASN1_CHUNK_INITIAL_SIZE;
@@ -210,12 +258,12 @@ static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)
chunk_max *= 2;
}
}
- if (off + slen < off) {
+ if (off + c.slen < off) {
ASN1err(ASN1_F_ASN1_D2I_READ_BIO, ASN1_R_TOO_LONG);
goto err;
}
- off += slen;
- if (eos == 0) {
+ off += c.slen;
+ if (eos <= 0) {
break;
} else
want = HEADER_SIZE;
@@ -230,6 +278,7 @@ static int asn1_d2i_read_bio(BIO *in, BUF_MEM **pb)
*pb = b;
return off;
err:
- BUF_MEM_free(b);
+ if (b != NULL)
+ BUF_MEM_free(b);
return -1;
}