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Diffstat (limited to 'Cryptlib/OpenSSL/crypto/asn1/bio_asn1.c')
-rw-r--r--Cryptlib/OpenSSL/crypto/asn1/bio_asn1.c151
1 files changed, 99 insertions, 52 deletions
diff --git a/Cryptlib/OpenSSL/crypto/asn1/bio_asn1.c b/Cryptlib/OpenSSL/crypto/asn1/bio_asn1.c
index 400effa1..c3afff69 100644
--- a/Cryptlib/OpenSSL/crypto/asn1/bio_asn1.c
+++ b/Cryptlib/OpenSSL/crypto/asn1/bio_asn1.c
@@ -1,10 +1,60 @@
+/* bio_asn1.c */
/*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
+ * project.
+ */
+/* ====================================================================
+ * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
+ *
+ * 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 above 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 acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For written permission, please contact
+ * licensing@OpenSSL.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ * nor may "OpenSSL" appear in their names without prior written
+ * permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by the OpenSSL Project
+ * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED 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 OpenSSL PROJECT OR
+ * ITS 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.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com). This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
*
- * 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
*/
/*
@@ -14,7 +64,7 @@
*/
#include <string.h>
-#include <internal/bio.h>
+#include <openssl/bio.h>
#include <openssl/asn1.h>
/* Must be large enough for biggest tag+length */
@@ -75,7 +125,7 @@ static int asn1_bio_setup_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
asn1_bio_state_t ex_state,
asn1_bio_state_t other_state);
-static const BIO_METHOD methods_asn1 = {
+static BIO_METHOD methods_asn1 = {
BIO_TYPE_ASN1,
"asn1",
asn1_bio_write,
@@ -88,55 +138,59 @@ static const BIO_METHOD methods_asn1 = {
asn1_bio_callback_ctrl,
};
-const BIO_METHOD *BIO_f_asn1(void)
+BIO_METHOD *BIO_f_asn1(void)
{
return (&methods_asn1);
}
static int asn1_bio_new(BIO *b)
{
- BIO_ASN1_BUF_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
-
- if (ctx == NULL)
+ BIO_ASN1_BUF_CTX *ctx;
+ ctx = OPENSSL_malloc(sizeof(BIO_ASN1_BUF_CTX));
+ if (!ctx)
return 0;
if (!asn1_bio_init(ctx, DEFAULT_ASN1_BUF_SIZE)) {
OPENSSL_free(ctx);
return 0;
}
- BIO_set_data(b, ctx);
- BIO_set_init(b, 1);
-
+ b->init = 1;
+ b->ptr = (char *)ctx;
+ b->flags = 0;
return 1;
}
static int asn1_bio_init(BIO_ASN1_BUF_CTX *ctx, int size)
{
ctx->buf = OPENSSL_malloc(size);
- if (ctx->buf == NULL)
+ if (!ctx->buf)
return 0;
ctx->bufsize = size;
+ ctx->bufpos = 0;
+ ctx->buflen = 0;
+ ctx->copylen = 0;
ctx->asn1_class = V_ASN1_UNIVERSAL;
ctx->asn1_tag = V_ASN1_OCTET_STRING;
+ ctx->ex_buf = NULL;
+ ctx->ex_len = 0;
+ ctx->ex_pos = 0;
ctx->state = ASN1_STATE_START;
+ ctx->prefix = ctx->prefix_free = ctx->suffix = ctx->suffix_free = NULL;
+ ctx->ex_arg = NULL;
return 1;
}
static int asn1_bio_free(BIO *b)
{
BIO_ASN1_BUF_CTX *ctx;
-
- if (b == NULL)
- return 0;
-
- ctx = BIO_get_data(b);
+ ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
if (ctx == NULL)
return 0;
-
- OPENSSL_free(ctx->buf);
+ if (ctx->buf)
+ OPENSSL_free(ctx->buf);
OPENSSL_free(ctx);
- BIO_set_data(b, NULL);
- BIO_set_init(b, 0);
-
+ b->init = 0;
+ b->ptr = NULL;
+ b->flags = 0;
return 1;
}
@@ -145,11 +199,10 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
BIO_ASN1_BUF_CTX *ctx;
int wrmax, wrlen, ret;
unsigned char *p;
- BIO *next;
-
- ctx = BIO_get_data(b);
- next = BIO_next(b);
- if (in == NULL || inl < 0 || ctx == NULL || next == NULL)
+ if (!in || (inl < 0) || (b->next_bio == NULL))
+ return 0;
+ ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
+ if (ctx == NULL)
return 0;
wrlen = 0;
@@ -187,7 +240,7 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
break;
case ASN1_STATE_HEADER_COPY:
- ret = BIO_write(next, ctx->buf + ctx->bufpos, ctx->buflen);
+ ret = BIO_write(b->next_bio, ctx->buf + ctx->bufpos, ctx->buflen);
if (ret <= 0)
goto done;
@@ -207,7 +260,7 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
wrmax = ctx->copylen;
else
wrmax = inl;
- ret = BIO_write(next, in, wrmax);
+ ret = BIO_write(b->next_bio, in, wrmax);
if (ret <= 0)
break;
wrlen += ret;
@@ -243,11 +296,10 @@ static int asn1_bio_flush_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
asn1_ps_func *cleanup, asn1_bio_state_t next)
{
int ret;
-
if (ctx->ex_len <= 0)
return 1;
for (;;) {
- ret = BIO_write(BIO_next(b), ctx->ex_buf + ctx->ex_pos, ctx->ex_len);
+ ret = BIO_write(b->next_bio, ctx->ex_buf + ctx->ex_pos, ctx->ex_len);
if (ret <= 0)
break;
ctx->ex_len -= ret;
@@ -282,10 +334,9 @@ static int asn1_bio_setup_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
static int asn1_bio_read(BIO *b, char *in, int inl)
{
- BIO *next = BIO_next(b);
- if (next == NULL)
+ if (!b->next_bio)
return 0;
- return BIO_read(next, in, inl);
+ return BIO_read(b->next_bio, in, inl);
}
static int asn1_bio_puts(BIO *b, const char *str)
@@ -295,18 +346,16 @@ static int asn1_bio_puts(BIO *b, const char *str)
static int asn1_bio_gets(BIO *b, char *str, int size)
{
- BIO *next = BIO_next(b);
- if (next == NULL)
+ if (!b->next_bio)
return 0;
- return BIO_gets(next, str, size);
+ return BIO_gets(b->next_bio, str, size);
}
static long asn1_bio_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
{
- BIO *next = BIO_next(b);
- if (next == NULL)
- return 0;
- return BIO_callback_ctrl(next, cmd, fp);
+ if (b->next_bio == NULL)
+ return (0);
+ return BIO_callback_ctrl(b->next_bio, cmd, fp);
}
static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
@@ -314,12 +363,9 @@ static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
BIO_ASN1_BUF_CTX *ctx;
BIO_ASN1_EX_FUNCS *ex_func;
long ret = 1;
- BIO *next;
-
- ctx = BIO_get_data(b);
+ ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
if (ctx == NULL)
return 0;
- next = BIO_next(b);
switch (cmd) {
case BIO_C_SET_PREFIX:
@@ -355,7 +401,7 @@ static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
break;
case BIO_CTRL_FLUSH:
- if (next == NULL)
+ if (!b->next_bio)
return 0;
/* Call post function if possible */
@@ -373,16 +419,17 @@ static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
}
if (ctx->state == ASN1_STATE_DONE)
- return BIO_ctrl(next, cmd, arg1, arg2);
+ return BIO_ctrl(b->next_bio, cmd, arg1, arg2);
else {
BIO_clear_retry_flags(b);
return 0;
}
+ break;
default:
- if (next == NULL)
+ if (!b->next_bio)
return 0;
- return BIO_ctrl(next, cmd, arg1, arg2);
+ return BIO_ctrl(b->next_bio, cmd, arg1, arg2);
}
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-31 02:20:05 +0000