check in v3.8.0 source
This commit is contained in:
171
crypto/comp/c_rle.c
Normal file
171
crypto/comp/c_rle.c
Normal file
@@ -0,0 +1,171 @@
|
||||
/* $OpenBSD: c_rle.c,v 1.11 2022/12/24 07:12:09 tb Exp $ */
|
||||
/*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Patches to this file were contributed by
|
||||
* Ulf Moeller <ulf@openssl.org> and Bodo Moeller <bodo@openssl.org>.
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1999, 2011 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.
|
||||
*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Parts of this file are derived from SSLeay code
|
||||
* which is covered by the following Copyright and license:
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1998 Eric Young <eay@cryptsoft.com>
|
||||
* 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.]
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <openssl/objects.h>
|
||||
#include <openssl/comp.h>
|
||||
|
||||
#include "comp_local.h"
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||||
|
||||
static int rle_compress_block(COMP_CTX *ctx, unsigned char *out,
|
||||
unsigned int olen, unsigned char *in, unsigned int ilen);
|
||||
static int rle_expand_block(COMP_CTX *ctx, unsigned char *out,
|
||||
unsigned int olen, unsigned char *in, unsigned int ilen);
|
||||
|
||||
static COMP_METHOD rle_method = {
|
||||
.type = NID_rle_compression,
|
||||
.name = LN_rle_compression,
|
||||
.compress = rle_compress_block,
|
||||
.expand = rle_expand_block
|
||||
};
|
||||
|
||||
COMP_METHOD *
|
||||
COMP_rle(void)
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||||
{
|
||||
return (&rle_method);
|
||||
}
|
||||
|
||||
static int
|
||||
rle_compress_block(COMP_CTX *ctx, unsigned char *out, unsigned int olen,
|
||||
unsigned char *in, unsigned int ilen)
|
||||
{
|
||||
|
||||
if (ilen == 0 || olen < (ilen - 1)) {
|
||||
return (-1);
|
||||
}
|
||||
|
||||
*(out++) = 0;
|
||||
memcpy(out, in, ilen);
|
||||
return (ilen + 1);
|
||||
}
|
||||
|
||||
static int
|
||||
rle_expand_block(COMP_CTX *ctx, unsigned char *out, unsigned int olen,
|
||||
unsigned char *in, unsigned int ilen)
|
||||
{
|
||||
int i;
|
||||
|
||||
if (olen < (ilen - 1)) {
|
||||
return (-1);
|
||||
}
|
||||
|
||||
i= *(in++);
|
||||
if (i == 0) {
|
||||
memcpy(out, in, ilen - 1);
|
||||
}
|
||||
return (ilen - 1);
|
||||
}
|
682
crypto/comp/c_zlib.c
Normal file
682
crypto/comp/c_zlib.c
Normal file
@@ -0,0 +1,682 @@
|
||||
/* $OpenBSD: c_zlib.c,v 1.26 2023/04/17 13:18:00 tb Exp $ */
|
||||
/*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Major patches to this file were contributed by
|
||||
* Richard Levitte <levitte@openssl.org>, Nils Larsch <nils@openssl.org>,
|
||||
* and Dr. Stephen Henson <steve@openssl.org>.
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 2002, 2003, 2007, 2008, 2010 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.
|
||||
*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Parts of this file are derived from SSLeay code
|
||||
* which is covered by the following Copyright and license:
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1998 Eric Young <eay@cryptsoft.com>
|
||||
* 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.]
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <openssl/objects.h>
|
||||
#include <openssl/comp.h>
|
||||
#include <openssl/err.h>
|
||||
|
||||
#include "bio_local.h"
|
||||
#include "comp_local.h"
|
||||
|
||||
COMP_METHOD *COMP_zlib(void );
|
||||
|
||||
static COMP_METHOD zlib_method_nozlib = {
|
||||
.type = NID_undef,
|
||||
.name = "(undef)"
|
||||
};
|
||||
|
||||
#ifdef ZLIB
|
||||
|
||||
#include <zlib.h>
|
||||
|
||||
static int zlib_stateful_init(COMP_CTX *ctx);
|
||||
static void zlib_stateful_finish(COMP_CTX *ctx);
|
||||
static int zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out,
|
||||
unsigned int olen, unsigned char *in, unsigned int ilen);
|
||||
static int zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out,
|
||||
unsigned int olen, unsigned char *in, unsigned int ilen);
|
||||
|
||||
|
||||
/* memory allocations functions for zlib initialization */
|
||||
static void*
|
||||
zlib_zalloc(void* opaque, unsigned int no, unsigned int size)
|
||||
{
|
||||
return calloc(no, size);
|
||||
}
|
||||
|
||||
static void
|
||||
zlib_zfree(void* opaque, void* address)
|
||||
{
|
||||
free(address);
|
||||
}
|
||||
|
||||
static COMP_METHOD zlib_stateful_method = {
|
||||
.type = NID_zlib_compression,
|
||||
.name = LN_zlib_compression,
|
||||
.init = zlib_stateful_init,
|
||||
.finish = zlib_stateful_finish,
|
||||
.compress = zlib_stateful_compress_block,
|
||||
.expand = zlib_stateful_expand_block
|
||||
};
|
||||
|
||||
struct zlib_state {
|
||||
z_stream istream;
|
||||
z_stream ostream;
|
||||
};
|
||||
|
||||
static int zlib_stateful_ex_idx = -1;
|
||||
|
||||
static int
|
||||
zlib_stateful_init(COMP_CTX *ctx)
|
||||
{
|
||||
int err;
|
||||
struct zlib_state *state = malloc(sizeof(struct zlib_state));
|
||||
|
||||
if (state == NULL)
|
||||
goto err;
|
||||
|
||||
state->istream.zalloc = zlib_zalloc;
|
||||
state->istream.zfree = zlib_zfree;
|
||||
state->istream.opaque = Z_NULL;
|
||||
state->istream.next_in = Z_NULL;
|
||||
state->istream.next_out = Z_NULL;
|
||||
state->istream.avail_in = 0;
|
||||
state->istream.avail_out = 0;
|
||||
err = inflateInit_(&state->istream, ZLIB_VERSION, sizeof(z_stream));
|
||||
if (err != Z_OK)
|
||||
goto err;
|
||||
|
||||
state->ostream.zalloc = zlib_zalloc;
|
||||
state->ostream.zfree = zlib_zfree;
|
||||
state->ostream.opaque = Z_NULL;
|
||||
state->ostream.next_in = Z_NULL;
|
||||
state->ostream.next_out = Z_NULL;
|
||||
state->ostream.avail_in = 0;
|
||||
state->ostream.avail_out = 0;
|
||||
err = deflateInit_(&state->ostream, Z_DEFAULT_COMPRESSION,
|
||||
ZLIB_VERSION, sizeof(z_stream));
|
||||
if (err != Z_OK)
|
||||
goto err;
|
||||
|
||||
CRYPTO_new_ex_data(CRYPTO_EX_INDEX_COMP, ctx, &ctx->ex_data);
|
||||
CRYPTO_set_ex_data(&ctx->ex_data, zlib_stateful_ex_idx, state);
|
||||
return 1;
|
||||
|
||||
err:
|
||||
free(state);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void
|
||||
zlib_stateful_finish(COMP_CTX *ctx)
|
||||
{
|
||||
struct zlib_state *state =
|
||||
(struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data,
|
||||
zlib_stateful_ex_idx);
|
||||
|
||||
inflateEnd(&state->istream);
|
||||
deflateEnd(&state->ostream);
|
||||
free(state);
|
||||
CRYPTO_free_ex_data(CRYPTO_EX_INDEX_COMP, ctx, &ctx->ex_data);
|
||||
}
|
||||
|
||||
static int
|
||||
zlib_stateful_compress_block(COMP_CTX *ctx, unsigned char *out,
|
||||
unsigned int olen, unsigned char *in, unsigned int ilen)
|
||||
{
|
||||
int err = Z_OK;
|
||||
struct zlib_state *state =
|
||||
(struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data,
|
||||
zlib_stateful_ex_idx);
|
||||
|
||||
if (state == NULL)
|
||||
return -1;
|
||||
|
||||
state->ostream.next_in = in;
|
||||
state->ostream.avail_in = ilen;
|
||||
state->ostream.next_out = out;
|
||||
state->ostream.avail_out = olen;
|
||||
if (ilen > 0)
|
||||
err = deflate(&state->ostream, Z_SYNC_FLUSH);
|
||||
if (err != Z_OK)
|
||||
return -1;
|
||||
|
||||
#ifdef DEBUG_ZLIB
|
||||
fprintf(stderr, "compress(%4d)->%4d %s\n",
|
||||
ilen, olen - state->ostream.avail_out,
|
||||
(ilen != olen - state->ostream.avail_out)?"zlib":"clear");
|
||||
#endif
|
||||
|
||||
return olen - state->ostream.avail_out;
|
||||
}
|
||||
|
||||
static int
|
||||
zlib_stateful_expand_block(COMP_CTX *ctx, unsigned char *out,
|
||||
unsigned int olen, unsigned char *in, unsigned int ilen)
|
||||
{
|
||||
int err = Z_OK;
|
||||
|
||||
struct zlib_state *state =
|
||||
(struct zlib_state *)CRYPTO_get_ex_data(&ctx->ex_data,
|
||||
zlib_stateful_ex_idx);
|
||||
|
||||
if (state == NULL)
|
||||
return 0;
|
||||
|
||||
state->istream.next_in = in;
|
||||
state->istream.avail_in = ilen;
|
||||
state->istream.next_out = out;
|
||||
state->istream.avail_out = olen;
|
||||
if (ilen > 0)
|
||||
err = inflate(&state->istream, Z_SYNC_FLUSH);
|
||||
if (err != Z_OK)
|
||||
return -1;
|
||||
|
||||
#ifdef DEBUG_ZLIB
|
||||
fprintf(stderr, "expand(%4d)->%4d %s\n",
|
||||
ilen, olen - state->istream.avail_out,
|
||||
(ilen != olen - state->istream.avail_out)?"zlib":"clear");
|
||||
#endif
|
||||
|
||||
return olen - state->istream.avail_out;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
COMP_METHOD *
|
||||
COMP_zlib(void)
|
||||
{
|
||||
COMP_METHOD *meth = &zlib_method_nozlib;
|
||||
|
||||
#ifdef ZLIB
|
||||
{
|
||||
/* init zlib_stateful_ex_idx here so that in a multi-process
|
||||
* application it's enough to initialize openssl before forking
|
||||
* (idx will be inherited in all the children) */
|
||||
if (zlib_stateful_ex_idx == -1) {
|
||||
CRYPTO_w_lock(CRYPTO_LOCK_COMP);
|
||||
if (zlib_stateful_ex_idx == -1)
|
||||
zlib_stateful_ex_idx =
|
||||
CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_COMP,
|
||||
0, NULL, NULL, NULL, NULL);
|
||||
CRYPTO_w_unlock(CRYPTO_LOCK_COMP);
|
||||
if (zlib_stateful_ex_idx == -1)
|
||||
goto err;
|
||||
}
|
||||
if (!OPENSSL_init_crypto(0, NULL))
|
||||
goto err;
|
||||
|
||||
meth = &zlib_stateful_method;
|
||||
}
|
||||
|
||||
err:
|
||||
#endif
|
||||
|
||||
return (meth);
|
||||
}
|
||||
|
||||
void
|
||||
COMP_zlib_cleanup(void)
|
||||
{
|
||||
}
|
||||
|
||||
#ifdef ZLIB
|
||||
|
||||
/* Zlib based compression/decompression filter BIO */
|
||||
|
||||
typedef struct {
|
||||
unsigned char *ibuf; /* Input buffer */
|
||||
int ibufsize; /* Buffer size */
|
||||
z_stream zin; /* Input decompress context */
|
||||
unsigned char *obuf; /* Output buffer */
|
||||
int obufsize; /* Output buffer size */
|
||||
unsigned char *optr; /* Position in output buffer */
|
||||
int ocount; /* Amount of data in output buffer */
|
||||
int odone; /* deflate EOF */
|
||||
int comp_level; /* Compression level to use */
|
||||
z_stream zout; /* Output compression context */
|
||||
} BIO_ZLIB_CTX;
|
||||
|
||||
#define ZLIB_DEFAULT_BUFSIZE 1024
|
||||
|
||||
static int bio_zlib_new(BIO *bi);
|
||||
static int bio_zlib_free(BIO *bi);
|
||||
static int bio_zlib_read(BIO *b, char *out, int outl);
|
||||
static int bio_zlib_write(BIO *b, const char *in, int inl);
|
||||
static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr);
|
||||
static long bio_zlib_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp);
|
||||
|
||||
static BIO_METHOD bio_meth_zlib = {
|
||||
.type = BIO_TYPE_COMP,
|
||||
.name = "zlib",
|
||||
.bwrite = bio_zlib_write,
|
||||
.bread = bio_zlib_read,
|
||||
.ctrl = bio_zlib_ctrl,
|
||||
.create = bio_zlib_new,
|
||||
.destroy = bio_zlib_free,
|
||||
.callback_ctrl = bio_zlib_callback_ctrl
|
||||
};
|
||||
|
||||
BIO_METHOD *
|
||||
BIO_f_zlib(void)
|
||||
{
|
||||
return &bio_meth_zlib;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
bio_zlib_new(BIO *bi)
|
||||
{
|
||||
BIO_ZLIB_CTX *ctx;
|
||||
|
||||
ctx = malloc(sizeof(BIO_ZLIB_CTX));
|
||||
if (!ctx) {
|
||||
COMPerror(ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
ctx->ibuf = NULL;
|
||||
ctx->obuf = NULL;
|
||||
ctx->ibufsize = ZLIB_DEFAULT_BUFSIZE;
|
||||
ctx->obufsize = ZLIB_DEFAULT_BUFSIZE;
|
||||
ctx->zin.zalloc = Z_NULL;
|
||||
ctx->zin.zfree = Z_NULL;
|
||||
ctx->zin.next_in = NULL;
|
||||
ctx->zin.avail_in = 0;
|
||||
ctx->zin.next_out = NULL;
|
||||
ctx->zin.avail_out = 0;
|
||||
ctx->zout.zalloc = Z_NULL;
|
||||
ctx->zout.zfree = Z_NULL;
|
||||
ctx->zout.next_in = NULL;
|
||||
ctx->zout.avail_in = 0;
|
||||
ctx->zout.next_out = NULL;
|
||||
ctx->zout.avail_out = 0;
|
||||
ctx->odone = 0;
|
||||
ctx->comp_level = Z_DEFAULT_COMPRESSION;
|
||||
bi->init = 1;
|
||||
bi->ptr = (char *)ctx;
|
||||
bi->flags = 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
bio_zlib_free(BIO *bi)
|
||||
{
|
||||
BIO_ZLIB_CTX *ctx;
|
||||
|
||||
if (!bi)
|
||||
return 0;
|
||||
ctx = (BIO_ZLIB_CTX *)bi->ptr;
|
||||
if (ctx->ibuf) {
|
||||
/* Destroy decompress context */
|
||||
inflateEnd(&ctx->zin);
|
||||
free(ctx->ibuf);
|
||||
}
|
||||
if (ctx->obuf) {
|
||||
/* Destroy compress context */
|
||||
deflateEnd(&ctx->zout);
|
||||
free(ctx->obuf);
|
||||
}
|
||||
free(ctx);
|
||||
bi->ptr = NULL;
|
||||
bi->init = 0;
|
||||
bi->flags = 0;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int
|
||||
bio_zlib_read(BIO *b, char *out, int outl)
|
||||
{
|
||||
BIO_ZLIB_CTX *ctx;
|
||||
int ret;
|
||||
z_stream *zin;
|
||||
|
||||
if (!out || !outl)
|
||||
return 0;
|
||||
ctx = (BIO_ZLIB_CTX *)b->ptr;
|
||||
zin = &ctx->zin;
|
||||
BIO_clear_retry_flags(b);
|
||||
if (!ctx->ibuf) {
|
||||
ctx->ibuf = malloc(ctx->ibufsize);
|
||||
if (!ctx->ibuf) {
|
||||
COMPerror(ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
inflateInit(zin);
|
||||
zin->next_in = ctx->ibuf;
|
||||
zin->avail_in = 0;
|
||||
}
|
||||
|
||||
/* Copy output data directly to supplied buffer */
|
||||
zin->next_out = (unsigned char *)out;
|
||||
zin->avail_out = (unsigned int)outl;
|
||||
for (;;) {
|
||||
/* Decompress while data available */
|
||||
while (zin->avail_in) {
|
||||
ret = inflate(zin, 0);
|
||||
if ((ret != Z_OK) && (ret != Z_STREAM_END)) {
|
||||
COMPerror(COMP_R_ZLIB_INFLATE_ERROR);
|
||||
ERR_asprintf_error_data("zlib error:%s",
|
||||
zError(ret));
|
||||
return 0;
|
||||
}
|
||||
/* If EOF or we've read everything then return */
|
||||
if ((ret == Z_STREAM_END) || !zin->avail_out)
|
||||
return outl - zin->avail_out;
|
||||
}
|
||||
|
||||
/* No data in input buffer try to read some in,
|
||||
* if an error then return the total data read.
|
||||
*/
|
||||
ret = BIO_read(b->next_bio, ctx->ibuf, ctx->ibufsize);
|
||||
if (ret <= 0) {
|
||||
/* Total data read */
|
||||
int tot = outl - zin->avail_out;
|
||||
BIO_copy_next_retry(b);
|
||||
if (ret < 0)
|
||||
return (tot > 0) ? tot : ret;
|
||||
return tot;
|
||||
}
|
||||
zin->avail_in = ret;
|
||||
zin->next_in = ctx->ibuf;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
bio_zlib_write(BIO *b, const char *in, int inl)
|
||||
{
|
||||
BIO_ZLIB_CTX *ctx;
|
||||
int ret;
|
||||
z_stream *zout;
|
||||
|
||||
if (!in || !inl)
|
||||
return 0;
|
||||
ctx = (BIO_ZLIB_CTX *)b->ptr;
|
||||
if (ctx->odone)
|
||||
return 0;
|
||||
zout = &ctx->zout;
|
||||
BIO_clear_retry_flags(b);
|
||||
if (!ctx->obuf) {
|
||||
ctx->obuf = malloc(ctx->obufsize);
|
||||
/* Need error here */
|
||||
if (!ctx->obuf) {
|
||||
COMPerror(ERR_R_MALLOC_FAILURE);
|
||||
return 0;
|
||||
}
|
||||
ctx->optr = ctx->obuf;
|
||||
ctx->ocount = 0;
|
||||
deflateInit(zout, ctx->comp_level);
|
||||
zout->next_out = ctx->obuf;
|
||||
zout->avail_out = ctx->obufsize;
|
||||
}
|
||||
/* Obtain input data directly from supplied buffer */
|
||||
zout->next_in = (void *)in;
|
||||
zout->avail_in = inl;
|
||||
for (;;) {
|
||||
/* If data in output buffer write it first */
|
||||
while (ctx->ocount) {
|
||||
ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount);
|
||||
if (ret <= 0) {
|
||||
/* Total data written */
|
||||
int tot = inl - zout->avail_in;
|
||||
BIO_copy_next_retry(b);
|
||||
if (ret < 0)
|
||||
return (tot > 0) ? tot : ret;
|
||||
return tot;
|
||||
}
|
||||
ctx->optr += ret;
|
||||
ctx->ocount -= ret;
|
||||
}
|
||||
|
||||
/* Have we consumed all supplied data? */
|
||||
if (!zout->avail_in)
|
||||
return inl;
|
||||
|
||||
/* Compress some more */
|
||||
|
||||
/* Reset buffer */
|
||||
ctx->optr = ctx->obuf;
|
||||
zout->next_out = ctx->obuf;
|
||||
zout->avail_out = ctx->obufsize;
|
||||
/* Compress some more */
|
||||
ret = deflate(zout, 0);
|
||||
if (ret != Z_OK) {
|
||||
COMPerror(COMP_R_ZLIB_DEFLATE_ERROR);
|
||||
ERR_asprintf_error_data("zlib error:%s", zError(ret));
|
||||
return 0;
|
||||
}
|
||||
ctx->ocount = ctx->obufsize - zout->avail_out;
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
bio_zlib_flush(BIO *b)
|
||||
{
|
||||
BIO_ZLIB_CTX *ctx;
|
||||
int ret;
|
||||
z_stream *zout;
|
||||
|
||||
ctx = (BIO_ZLIB_CTX *)b->ptr;
|
||||
/* If no data written or already flush show success */
|
||||
if (!ctx->obuf || (ctx->odone && !ctx->ocount))
|
||||
return 1;
|
||||
zout = &ctx->zout;
|
||||
BIO_clear_retry_flags(b);
|
||||
/* No more input data */
|
||||
zout->next_in = NULL;
|
||||
zout->avail_in = 0;
|
||||
for (;;) {
|
||||
/* If data in output buffer write it first */
|
||||
while (ctx->ocount) {
|
||||
ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount);
|
||||
if (ret <= 0) {
|
||||
BIO_copy_next_retry(b);
|
||||
return ret;
|
||||
}
|
||||
ctx->optr += ret;
|
||||
ctx->ocount -= ret;
|
||||
}
|
||||
if (ctx->odone)
|
||||
return 1;
|
||||
|
||||
/* Compress some more */
|
||||
|
||||
/* Reset buffer */
|
||||
ctx->optr = ctx->obuf;
|
||||
zout->next_out = ctx->obuf;
|
||||
zout->avail_out = ctx->obufsize;
|
||||
/* Compress some more */
|
||||
ret = deflate(zout, Z_FINISH);
|
||||
if (ret == Z_STREAM_END)
|
||||
ctx->odone = 1;
|
||||
else if (ret != Z_OK) {
|
||||
COMPerror(COMP_R_ZLIB_DEFLATE_ERROR);
|
||||
ERR_asprintf_error_data("zlib error:%s", zError(ret));
|
||||
return 0;
|
||||
}
|
||||
ctx->ocount = ctx->obufsize - zout->avail_out;
|
||||
}
|
||||
}
|
||||
|
||||
static long
|
||||
bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
|
||||
{
|
||||
BIO_ZLIB_CTX *ctx;
|
||||
int ret, *ip;
|
||||
int ibs, obs;
|
||||
if (!b->next_bio)
|
||||
return 0;
|
||||
ctx = (BIO_ZLIB_CTX *)b->ptr;
|
||||
switch (cmd) {
|
||||
|
||||
case BIO_CTRL_RESET:
|
||||
ctx->ocount = 0;
|
||||
ctx->odone = 0;
|
||||
ret = 1;
|
||||
break;
|
||||
|
||||
case BIO_CTRL_FLUSH:
|
||||
ret = bio_zlib_flush(b);
|
||||
if (ret > 0)
|
||||
ret = BIO_flush(b->next_bio);
|
||||
break;
|
||||
|
||||
case BIO_C_SET_BUFF_SIZE:
|
||||
ibs = -1;
|
||||
obs = -1;
|
||||
if (ptr != NULL) {
|
||||
ip = ptr;
|
||||
if (*ip == 0)
|
||||
ibs = (int) num;
|
||||
else
|
||||
obs = (int) num;
|
||||
} else {
|
||||
ibs = (int)num;
|
||||
obs = ibs;
|
||||
}
|
||||
|
||||
if (ibs != -1) {
|
||||
free(ctx->ibuf);
|
||||
ctx->ibuf = NULL;
|
||||
ctx->ibufsize = ibs;
|
||||
}
|
||||
|
||||
if (obs != -1) {
|
||||
free(ctx->obuf);
|
||||
ctx->obuf = NULL;
|
||||
ctx->obufsize = obs;
|
||||
}
|
||||
ret = 1;
|
||||
break;
|
||||
|
||||
case BIO_C_DO_STATE_MACHINE:
|
||||
BIO_clear_retry_flags(b);
|
||||
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
|
||||
BIO_copy_next_retry(b);
|
||||
break;
|
||||
|
||||
default:
|
||||
ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
|
||||
break;
|
||||
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
|
||||
static long
|
||||
bio_zlib_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp)
|
||||
{
|
||||
if (!b->next_bio)
|
||||
return 0;
|
||||
return BIO_callback_ctrl(b->next_bio, cmd, fp);
|
||||
}
|
||||
|
||||
#endif
|
94
crypto/comp/comp_err.c
Normal file
94
crypto/comp/comp_err.c
Normal file
@@ -0,0 +1,94 @@
|
||||
/* $OpenBSD: comp_err.c,v 1.13 2022/12/23 23:23:02 schwarze Exp $ */
|
||||
/* ====================================================================
|
||||
* This file was written by Dr. Stephen Henson <steve@openssl.org>.
|
||||
* Copyright (c) 1999, 2005, 2008 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
|
||||
* openssl-core@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).
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#include <openssl/opensslconf.h>
|
||||
|
||||
#include <openssl/comp.h>
|
||||
#include <openssl/err.h>
|
||||
|
||||
#include "comp_local.h"
|
||||
|
||||
#ifndef OPENSSL_NO_ERR
|
||||
|
||||
#define ERR_FUNC(func) ERR_PACK(ERR_LIB_COMP,func,0)
|
||||
#define ERR_REASON(reason) ERR_PACK(ERR_LIB_COMP,0,reason)
|
||||
|
||||
static ERR_STRING_DATA COMP_str_functs[] = {
|
||||
{ERR_FUNC(0xfff), "CRYPTO_internal"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
static ERR_STRING_DATA COMP_str_reasons[] = {
|
||||
{ERR_REASON(COMP_R_ZLIB_DEFLATE_ERROR) , "zlib deflate error"},
|
||||
{ERR_REASON(COMP_R_ZLIB_INFLATE_ERROR) , "zlib inflate error"},
|
||||
{ERR_REASON(COMP_R_ZLIB_NOT_SUPPORTED) , "zlib not supported"},
|
||||
{0, NULL}
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
void
|
||||
ERR_load_COMP_strings(void)
|
||||
{
|
||||
#ifndef OPENSSL_NO_ERR
|
||||
if (ERR_func_error_string(COMP_str_functs[0].error) == NULL) {
|
||||
ERR_load_strings(0, COMP_str_functs);
|
||||
ERR_load_strings(0, COMP_str_reasons);
|
||||
}
|
||||
#endif
|
||||
}
|
184
crypto/comp/comp_lib.c
Normal file
184
crypto/comp/comp_lib.c
Normal file
@@ -0,0 +1,184 @@
|
||||
/* $OpenBSD: comp_lib.c,v 1.11 2022/12/24 07:12:09 tb Exp $ */
|
||||
/*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Patches to this file were contributed by
|
||||
* Ben Laurie <ben@openssl.org> and Ulf Moeller <ulf@openssl.org>.
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1999 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.
|
||||
*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Parts of this file are derived from SSLeay code
|
||||
* which is covered by the following Copyright and license:
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1998 Eric Young <eay@cryptsoft.com>
|
||||
* 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.]
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <openssl/objects.h>
|
||||
#include <openssl/comp.h>
|
||||
|
||||
#include "comp_local.h"
|
||||
|
||||
COMP_CTX *
|
||||
COMP_CTX_new(COMP_METHOD *meth)
|
||||
{
|
||||
COMP_CTX *ret;
|
||||
|
||||
if ((ret = calloc(1, sizeof(COMP_CTX))) == NULL) {
|
||||
return (NULL);
|
||||
}
|
||||
ret->meth = meth;
|
||||
if ((ret->meth->init != NULL) && !ret->meth->init(ret)) {
|
||||
free(ret);
|
||||
ret = NULL;
|
||||
}
|
||||
return (ret);
|
||||
}
|
||||
|
||||
void
|
||||
COMP_CTX_free(COMP_CTX *ctx)
|
||||
{
|
||||
if (ctx == NULL)
|
||||
return;
|
||||
|
||||
if (ctx->meth->finish != NULL)
|
||||
ctx->meth->finish(ctx);
|
||||
|
||||
free(ctx);
|
||||
}
|
||||
|
||||
int
|
||||
COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen,
|
||||
unsigned char *in, int ilen)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (ctx->meth->compress == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
ret = ctx->meth->compress(ctx, out, olen, in, ilen);
|
||||
if (ret > 0) {
|
||||
ctx->compress_in += ilen;
|
||||
ctx->compress_out += ret;
|
||||
}
|
||||
return (ret);
|
||||
}
|
||||
|
||||
int
|
||||
COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen,
|
||||
unsigned char *in, int ilen)
|
||||
{
|
||||
int ret;
|
||||
|
||||
if (ctx->meth->expand == NULL) {
|
||||
return (-1);
|
||||
}
|
||||
ret = ctx->meth->expand(ctx, out, olen, in, ilen);
|
||||
if (ret > 0) {
|
||||
ctx->expand_in += ilen;
|
||||
ctx->expand_out += ret;
|
||||
}
|
||||
return (ret);
|
||||
}
|
148
crypto/comp/comp_local.h
Normal file
148
crypto/comp/comp_local.h
Normal file
@@ -0,0 +1,148 @@
|
||||
/* $OpenBSD: comp_local.h,v 1.4 2022/12/24 07:12:09 tb Exp $ */
|
||||
/*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Patches to this file were contributed by
|
||||
* Richard Levitte <levitte@openssl.org>.
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1999, 2000, 2003 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.
|
||||
*
|
||||
* ---------------------------------------------------------------------------
|
||||
* Parts of this file are derived from SSLeay code
|
||||
* which is covered by the following Copyright and license:
|
||||
* ---------------------------------------------------------------------------
|
||||
* Copyright (c) 1998 Eric Young <eay@cryptsoft.com>
|
||||
* 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.]
|
||||
*/
|
||||
|
||||
#ifndef HEADER_COMP_LOCAL_H
|
||||
#define HEADER_COMP_LOCAL_H
|
||||
|
||||
__BEGIN_HIDDEN_DECLS
|
||||
|
||||
struct CMP_CTX;
|
||||
|
||||
struct comp_method_st {
|
||||
int type; /* NID for compression library */
|
||||
const char *name; /* A text string to identify the library */
|
||||
int (*init)(COMP_CTX *ctx);
|
||||
void (*finish)(COMP_CTX *ctx);
|
||||
int (*compress)(COMP_CTX *ctx, unsigned char *out, unsigned int olen,
|
||||
unsigned char *in, unsigned int ilen);
|
||||
int (*expand)(COMP_CTX *ctx, unsigned char *out, unsigned int olen,
|
||||
unsigned char *in, unsigned int ilen);
|
||||
/* The following two do NOTHING, but are kept for backward compatibility */
|
||||
long (*ctrl)(void);
|
||||
long (*callback_ctrl)(void);
|
||||
} /* COMP_METHOD */;
|
||||
|
||||
struct comp_ctx_st {
|
||||
COMP_METHOD *meth;
|
||||
unsigned long compress_in;
|
||||
unsigned long compress_out;
|
||||
unsigned long expand_in;
|
||||
unsigned long expand_out;
|
||||
|
||||
CRYPTO_EX_DATA ex_data;
|
||||
} /* COMP_CTX */;
|
||||
|
||||
__END_HIDDEN_DECLS
|
||||
|
||||
#endif /* !HEADER_COMP_LOCAL_H */
|
Reference in New Issue
Block a user