mirror of
https://github.com/guanzhi/GmSSL.git
synced 2026-08-09 15:33:58 +08:00
Merge remote-tracking branch 'origin/master'
# Conflicts: # README.md
This commit is contained in:
@@ -1,60 +1,10 @@
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/* bio_asn1.c */
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/*
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* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
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* project.
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*/
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/* ====================================================================
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* Copyright (c) 2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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* Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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/*
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@@ -64,7 +14,7 @@
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*/
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#include <string.h>
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#include <openssl/bio.h>
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#include <internal/bio.h>
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#include <openssl/asn1.h>
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/* Must be large enough for biggest tag+length */
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@@ -125,7 +75,7 @@ static int asn1_bio_setup_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
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asn1_bio_state_t ex_state,
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asn1_bio_state_t other_state);
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static BIO_METHOD methods_asn1 = {
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static const BIO_METHOD methods_asn1 = {
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BIO_TYPE_ASN1,
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"asn1",
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asn1_bio_write,
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@@ -138,41 +88,35 @@ static BIO_METHOD methods_asn1 = {
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asn1_bio_callback_ctrl,
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};
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BIO_METHOD *BIO_f_asn1(void)
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const BIO_METHOD *BIO_f_asn1(void)
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{
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return (&methods_asn1);
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}
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static int asn1_bio_new(BIO *b)
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{
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BIO_ASN1_BUF_CTX *ctx;
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ctx = OPENSSL_malloc(sizeof(BIO_ASN1_BUF_CTX));
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if (!ctx)
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BIO_ASN1_BUF_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
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if (ctx == NULL)
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return 0;
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if (!asn1_bio_init(ctx, DEFAULT_ASN1_BUF_SIZE)) {
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OPENSSL_free(ctx);
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return 0;
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}
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b->init = 1;
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b->ptr = (char *)ctx;
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b->flags = 0;
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BIO_set_data(b, ctx);
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BIO_set_init(b, 1);
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return 1;
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}
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static int asn1_bio_init(BIO_ASN1_BUF_CTX *ctx, int size)
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{
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ctx->buf = OPENSSL_malloc(size);
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if (!ctx->buf)
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if (ctx->buf == NULL)
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return 0;
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ctx->bufsize = size;
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ctx->bufpos = 0;
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ctx->buflen = 0;
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ctx->copylen = 0;
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ctx->asn1_class = V_ASN1_UNIVERSAL;
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ctx->asn1_tag = V_ASN1_OCTET_STRING;
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ctx->ex_buf = 0;
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ctx->ex_pos = 0;
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ctx->ex_len = 0;
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ctx->state = ASN1_STATE_START;
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return 1;
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}
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@@ -180,15 +124,19 @@ static int asn1_bio_init(BIO_ASN1_BUF_CTX *ctx, int size)
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static int asn1_bio_free(BIO *b)
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{
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BIO_ASN1_BUF_CTX *ctx;
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ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
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if (b == NULL)
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return 0;
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ctx = BIO_get_data(b);
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if (ctx == NULL)
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return 0;
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if (ctx->buf)
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OPENSSL_free(ctx->buf);
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OPENSSL_free(ctx->buf);
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OPENSSL_free(ctx);
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b->init = 0;
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b->ptr = NULL;
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b->flags = 0;
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BIO_set_data(b, NULL);
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BIO_set_init(b, 0);
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return 1;
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}
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@@ -197,10 +145,11 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
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BIO_ASN1_BUF_CTX *ctx;
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int wrmax, wrlen, ret;
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unsigned char *p;
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if (!in || (inl < 0) || (b->next_bio == NULL))
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return 0;
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ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
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if (ctx == NULL)
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BIO *next;
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ctx = BIO_get_data(b);
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next = BIO_next(b);
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if (in == NULL || inl < 0 || ctx == NULL || next == NULL)
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return 0;
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wrlen = 0;
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@@ -238,7 +187,7 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
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break;
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case ASN1_STATE_HEADER_COPY:
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ret = BIO_write(b->next_bio, ctx->buf + ctx->bufpos, ctx->buflen);
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ret = BIO_write(next, ctx->buf + ctx->bufpos, ctx->buflen);
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if (ret <= 0)
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goto done;
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@@ -258,7 +207,7 @@ static int asn1_bio_write(BIO *b, const char *in, int inl)
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wrmax = ctx->copylen;
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else
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wrmax = inl;
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ret = BIO_write(b->next_bio, in, wrmax);
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ret = BIO_write(next, in, wrmax);
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if (ret <= 0)
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break;
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wrlen += ret;
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@@ -294,10 +243,11 @@ static int asn1_bio_flush_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
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asn1_ps_func *cleanup, asn1_bio_state_t next)
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{
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int ret;
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if (ctx->ex_len <= 0)
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return 1;
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for (;;) {
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ret = BIO_write(b->next_bio, ctx->ex_buf + ctx->ex_pos, ctx->ex_len);
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ret = BIO_write(BIO_next(b), ctx->ex_buf + ctx->ex_pos, ctx->ex_len);
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if (ret <= 0)
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break;
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ctx->ex_len -= ret;
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@@ -332,9 +282,10 @@ static int asn1_bio_setup_ex(BIO *b, BIO_ASN1_BUF_CTX *ctx,
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static int asn1_bio_read(BIO *b, char *in, int inl)
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{
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if (!b->next_bio)
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BIO *next = BIO_next(b);
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if (next == NULL)
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return 0;
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return BIO_read(b->next_bio, in, inl);
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return BIO_read(next, in, inl);
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}
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static int asn1_bio_puts(BIO *b, const char *str)
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@@ -344,16 +295,18 @@ static int asn1_bio_puts(BIO *b, const char *str)
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static int asn1_bio_gets(BIO *b, char *str, int size)
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{
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if (!b->next_bio)
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BIO *next = BIO_next(b);
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if (next == NULL)
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return 0;
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return BIO_gets(b->next_bio, str, size);
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return BIO_gets(next, str, size);
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}
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static long asn1_bio_callback_ctrl(BIO *b, int cmd, bio_info_cb *fp)
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{
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if (b->next_bio == NULL)
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return (0);
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return BIO_callback_ctrl(b->next_bio, cmd, fp);
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BIO *next = BIO_next(b);
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if (next == NULL)
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return 0;
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return BIO_callback_ctrl(next, cmd, fp);
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}
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static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
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@@ -361,9 +314,12 @@ static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
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BIO_ASN1_BUF_CTX *ctx;
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BIO_ASN1_EX_FUNCS *ex_func;
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long ret = 1;
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ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
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BIO *next;
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ctx = BIO_get_data(b);
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if (ctx == NULL)
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return 0;
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next = BIO_next(b);
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switch (cmd) {
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case BIO_C_SET_PREFIX:
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@@ -399,7 +355,7 @@ static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
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break;
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case BIO_CTRL_FLUSH:
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if (!b->next_bio)
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if (next == NULL)
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return 0;
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/* Call post function if possible */
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@@ -417,17 +373,16 @@ static long asn1_bio_ctrl(BIO *b, int cmd, long arg1, void *arg2)
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}
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if (ctx->state == ASN1_STATE_DONE)
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return BIO_ctrl(b->next_bio, cmd, arg1, arg2);
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return BIO_ctrl(next, cmd, arg1, arg2);
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else {
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BIO_clear_retry_flags(b);
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return 0;
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}
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break;
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default:
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if (!b->next_bio)
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if (next == NULL)
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return 0;
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return BIO_ctrl(b->next_bio, cmd, arg1, arg2);
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return BIO_ctrl(next, cmd, arg1, arg2);
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}
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