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| author | auth12 <[email protected]> | 2020-07-22 08:40:38 -0700 |
|---|---|---|
| committer | auth12 <[email protected]> | 2020-07-22 08:40:38 -0700 |
| commit | 4ff89e85e74884e8f04edb5c31a94b4323e895e9 (patch) | |
| tree | 65f98ebf9af0d0947e44bf397b1fac0f107d7a2f /client/wolfssl/wolfcrypt/src/compress.c | |
| parent | Client injection. (diff) | |
| download | loader-4ff89e85e74884e8f04edb5c31a94b4323e895e9.tar.xz loader-4ff89e85e74884e8f04edb5c31a94b4323e895e9.zip | |
Removed wolfssl
Diffstat (limited to 'client/wolfssl/wolfcrypt/src/compress.c')
| -rw-r--r-- | client/wolfssl/wolfcrypt/src/compress.c | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/client/wolfssl/wolfcrypt/src/compress.c b/client/wolfssl/wolfcrypt/src/compress.c deleted file mode 100644 index 28d04f0..0000000 --- a/client/wolfssl/wolfcrypt/src/compress.c +++ /dev/null @@ -1,198 +0,0 @@ -/* compress.c - * - * Copyright (C) 2006-2020 wolfSSL Inc. - * - * This file is part of wolfSSL. - * - * wolfSSL is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * wolfSSL is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA - */ - - - -#ifdef HAVE_CONFIG_H - #include <config.h> -#endif - -#include <wolfssl/wolfcrypt/settings.h> - -#ifdef HAVE_LIBZ - - -#include <wolfssl/wolfcrypt/compress.h> -#include <wolfssl/wolfcrypt/error-crypt.h> -#include <wolfssl/wolfcrypt/logging.h> -#ifdef NO_INLINE - #include <wolfssl/wolfcrypt/misc.h> -#else - #define WOLFSSL_MISC_INCLUDED - #include <wolfcrypt/src/misc.c> -#endif - -#include <zlib.h> - - -/* alloc user allocs to work with zlib */ -static void* myAlloc(void* opaque, unsigned int item, unsigned int size) -{ - (void)opaque; - return XMALLOC(item * size, opaque, DYNAMIC_TYPE_LIBZ); -} - - -static void myFree(void* opaque, void* memory) -{ - (void)opaque; - XFREE(memory, opaque, DYNAMIC_TYPE_LIBZ); -} - - -#ifdef HAVE_MCAPI - #define DEFLATE_DEFAULT_WINDOWBITS 11 - #define DEFLATE_DEFAULT_MEMLEVEL 1 -#else - #define DEFLATE_DEFAULT_WINDOWBITS 15 - #define DEFLATE_DEFAULT_MEMLEVEL 8 -#endif - - -/* - * out - pointer to destination buffer - * outSz - size of destination buffer - * in - pointer to source buffer to compress - * inSz - size of source to compress - * flags - flags to control how compress operates - * - * return: - * negative - error code - * positive - bytes stored in out buffer - * - * Note, the output buffer still needs to be larger than the input buffer. - * The right chunk of data won't compress at all, and the lookup table will - * add to the size of the output. The libz code says the compressed - * buffer should be srcSz + 0.1% + 12. - */ -int wc_Compress_ex(byte* out, word32 outSz, const byte* in, word32 inSz, - word32 flags, word32 windowBits) -{ - z_stream stream; - int result = 0; - - stream.next_in = (Bytef*)in; - stream.avail_in = (uInt)inSz; -#ifdef MAXSEG_64K - /* Check for source > 64K on 16-bit machine: */ - if ((uLong)stream.avail_in != inSz) return COMPRESS_INIT_E; -#endif - stream.next_out = out; - stream.avail_out = (uInt)outSz; - if ((uLong)stream.avail_out != outSz) return COMPRESS_INIT_E; - - stream.zalloc = (alloc_func)myAlloc; - stream.zfree = (free_func)myFree; - stream.opaque = (voidpf)0; - - if (deflateInit2(&stream, Z_DEFAULT_COMPRESSION, Z_DEFLATED, - DEFLATE_DEFAULT_WINDOWBITS | windowBits, - DEFLATE_DEFAULT_MEMLEVEL, - flags ? Z_FIXED : Z_DEFAULT_STRATEGY) != Z_OK) - return COMPRESS_INIT_E; - - if (deflate(&stream, Z_FINISH) != Z_STREAM_END) { - deflateEnd(&stream); - return COMPRESS_E; - } - - result = (int)stream.total_out; - - if (deflateEnd(&stream) != Z_OK) - result = COMPRESS_E; - - return result; -} - -int wc_Compress(byte* out, word32 outSz, const byte* in, word32 inSz, word32 flags) -{ - return wc_Compress_ex(out, outSz, in, inSz, flags, 0); -} - - -/* windowBits: -* deflateInit() and inflateInit(), as well as deflateInit2() and inflateInit2() - with windowBits in 0..15 all process zlib-wrapped deflate data. - (See RFC 1950 and RFC 1951.) -* deflateInit2() and inflateInit2() with negative windowBits in -1..-15 process - raw deflate data with no header or trailer. -* deflateInit2() and inflateInit2() with windowBits in 16..31, i.e. 16 - added to 0..15, process gzip-wrapped deflate data (RFC 1952). -* inflateInit2() with windowBits in 32..47 (32 added to 0..15) will - automatically detect either a gzip or zlib header (but not raw deflate - data), and decompress accordingly. -*/ -int wc_DeCompress_ex(byte* out, word32 outSz, const byte* in, word32 inSz, - int windowBits) -/* - * out - pointer to destination buffer - * outSz - size of destination buffer - * in - pointer to source buffer to compress - * inSz - size of source to compress - * windowBits - flags to control how decompress operates - * - * return: - * negative - error code - * positive - bytes stored in out buffer - */ -{ - z_stream stream; - int result = 0; - - stream.next_in = (Bytef*)in; - stream.avail_in = (uInt)inSz; - /* Check for source > 64K on 16-bit machine: */ - if ((uLong)stream.avail_in != inSz) return DECOMPRESS_INIT_E; - - stream.next_out = out; - stream.avail_out = (uInt)outSz; - if ((uLong)stream.avail_out != outSz) return DECOMPRESS_INIT_E; - - stream.zalloc = (alloc_func)myAlloc; - stream.zfree = (free_func)myFree; - stream.opaque = (voidpf)0; - - if (inflateInit2(&stream, DEFLATE_DEFAULT_WINDOWBITS | windowBits) != Z_OK) - return DECOMPRESS_INIT_E; - - result = inflate(&stream, Z_FINISH); - if (result != Z_STREAM_END) { - inflateEnd(&stream); - return DECOMPRESS_E; - } - - result = (int)stream.total_out; - - if (inflateEnd(&stream) != Z_OK) - result = DECOMPRESS_E; - - return result; -} - - -int wc_DeCompress(byte* out, word32 outSz, const byte* in, word32 inSz) -{ - return wc_DeCompress_ex(out, outSz, in, inSz, 0); -} - - -#endif /* HAVE_LIBZ */ - |