From 027351f729b9e837200dae6e1520cda6577ab930 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Wed, 15 May 2002 02:29:24 +0000 Subject: This commit was manufactured by cvs2git to create branch 'unlabeled-1.1.1'. --- src/lib/libcrypto/comp/c_rle.c | 61 +++++++++++++++++ src/lib/libcrypto/comp/c_zlib.c | 133 ++++++++++++++++++++++++++++++++++++++ src/lib/libcrypto/comp/comp.h | 60 +++++++++++++++++ src/lib/libcrypto/comp/comp_err.c | 91 ++++++++++++++++++++++++++ src/lib/libcrypto/comp/comp_lib.c | 78 ++++++++++++++++++++++ 5 files changed, 423 insertions(+) create mode 100644 src/lib/libcrypto/comp/c_rle.c create mode 100644 src/lib/libcrypto/comp/c_zlib.c create mode 100644 src/lib/libcrypto/comp/comp.h create mode 100644 src/lib/libcrypto/comp/comp_err.c create mode 100644 src/lib/libcrypto/comp/comp_lib.c (limited to 'src/lib/libcrypto/comp') diff --git a/src/lib/libcrypto/comp/c_rle.c b/src/lib/libcrypto/comp/c_rle.c new file mode 100644 index 0000000000..1a819e3737 --- /dev/null +++ b/src/lib/libcrypto/comp/c_rle.c @@ -0,0 +1,61 @@ +#include +#include +#include +#include +#include + +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={ + NID_rle_compression, + LN_rle_compression, + NULL, + NULL, + rle_compress_block, + rle_expand_block, + NULL, + }; + +COMP_METHOD *COMP_rle(void) + { + return(&rle_method); + } + +static int rle_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + /* int i; */ + + if (olen < (ilen+1)) + { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + 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)) + { + /* ZZZZZZZZZZZZZZZZZZZZZZ */ + return(-1); + } + + i= *(in++); + if (i == 0) + { + memcpy(out,in,ilen-1); + } + return(ilen-1); + } + diff --git a/src/lib/libcrypto/comp/c_zlib.c b/src/lib/libcrypto/comp/c_zlib.c new file mode 100644 index 0000000000..6684ab4841 --- /dev/null +++ b/src/lib/libcrypto/comp/c_zlib.c @@ -0,0 +1,133 @@ +#include +#include +#include +#include +#include + +COMP_METHOD *COMP_zlib(void ); + +#ifndef ZLIB + +static COMP_METHOD zlib_method={ + NID_undef, + "(null)", + NULL, + NULL, + NULL, + NULL, + NULL, + }; + +#else + +#include + +static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen); +static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen); + +static int zz_uncompress(Bytef *dest, uLongf *destLen, const Bytef *source, + uLong sourceLen); + +static COMP_METHOD zlib_method={ + NID_zlib_compression, + LN_zlib_compression, + NULL, + NULL, + zlib_compress_block, + zlib_expand_block, + NULL, + }; + +static int zlib_compress_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + unsigned long l; + int i; + int clear=1; + + if (ilen > 128) + { + out[0]=1; + l=olen-1; + i=compress(&(out[1]),&l,in,(unsigned long)ilen); + if (i != Z_OK) + return(-1); + if (ilen > l) + { + clear=0; + l++; + } + } + if (clear) + { + out[0]=0; + memcpy(&(out[1]),in,ilen); + l=ilen+1; + } +fprintf(stderr,"compress(%4d)->%4d %s\n",ilen,(int)l,(clear)?"clear":"zlib"); + return((int)l); + } + +static int zlib_expand_block(COMP_CTX *ctx, unsigned char *out, + unsigned int olen, unsigned char *in, unsigned int ilen) + { + unsigned long l; + int i; + + if (in[0]) + { + l=olen; + i=zz_uncompress(out,&l,&(in[1]),(unsigned long)ilen-1); + if (i != Z_OK) + return(-1); + } + else + { + memcpy(out,&(in[1]),ilen-1); + l=ilen-1; + } + fprintf(stderr,"expand (%4d)->%4d %s\n",ilen,(int)l,in[0]?"zlib":"clear"); + return((int)l); + } + +static int zz_uncompress (Bytef *dest, uLongf *destLen, const Bytef *source, + uLong sourceLen) +{ + z_stream stream; + int err; + + stream.next_in = (Bytef*)source; + stream.avail_in = (uInt)sourceLen; + /* Check for source > 64K on 16-bit machine: */ + if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR; + + stream.next_out = dest; + stream.avail_out = (uInt)*destLen; + if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR; + + stream.zalloc = (alloc_func)0; + stream.zfree = (free_func)0; + + err = inflateInit(&stream); + if (err != Z_OK) return err; + + err = inflate(&stream, Z_FINISH); + if (err != Z_STREAM_END) { + inflateEnd(&stream); + return err; + } + *destLen = stream.total_out; + + err = inflateEnd(&stream); + return err; +} + +#endif + +COMP_METHOD *COMP_zlib(void) + { + return(&zlib_method); + } + diff --git a/src/lib/libcrypto/comp/comp.h b/src/lib/libcrypto/comp/comp.h new file mode 100644 index 0000000000..93bd9c34c8 --- /dev/null +++ b/src/lib/libcrypto/comp/comp.h @@ -0,0 +1,60 @@ + +#ifndef HEADER_COMP_H +#define HEADER_COMP_H + +#ifdef __cplusplus +extern "C" { +#endif + +#include + +typedef struct comp_method_st + { + int type; /* NID for compression library */ + const char *name; /* A text string to identify the library */ + int (*init)(); + void (*finish)(); + int (*compress)(); + int (*expand)(); + long (*ctrl)(); + } COMP_METHOD; + +typedef 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; + + +COMP_CTX *COMP_CTX_new(COMP_METHOD *meth); +void COMP_CTX_free(COMP_CTX *ctx); +int COMP_compress_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen); +int COMP_expand_block(COMP_CTX *ctx, unsigned char *out, int olen, + unsigned char *in, int ilen); +COMP_METHOD *COMP_rle(void ); +#ifdef ZLIB +COMP_METHOD *COMP_zlib(void ); +#endif + +/* BEGIN ERROR CODES */ +/* The following lines are auto generated by the script mkerr.pl. Any changes + * made after this point may be overwritten when the script is next run. + */ + +/* Error codes for the COMP functions. */ + +/* Function codes. */ + +/* Reason codes. */ + +#ifdef __cplusplus +} +#endif +#endif + diff --git a/src/lib/libcrypto/comp/comp_err.c b/src/lib/libcrypto/comp/comp_err.c new file mode 100644 index 0000000000..77a3f7070c --- /dev/null +++ b/src/lib/libcrypto/comp/comp_err.c @@ -0,0 +1,91 @@ +/* crypto/comp/comp_err.c */ +/* ==================================================================== + * 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 + * 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). + * + */ + +/* NOTE: this file was auto generated by the mkerr.pl script: any changes + * made to it will be overwritten when the script next updates this file. + */ + +#include +#include +#include + +/* BEGIN ERROR CODES */ +#ifndef NO_ERR +static ERR_STRING_DATA COMP_str_functs[]= + { +{0,NULL} + }; + +static ERR_STRING_DATA COMP_str_reasons[]= + { +{0,NULL} + }; + +#endif + +void ERR_load_COMP_strings(void) + { + static int init=1; + + if (init) + { + init=0; +#ifndef NO_ERR + ERR_load_strings(ERR_LIB_COMP,COMP_str_functs); + ERR_load_strings(ERR_LIB_COMP,COMP_str_reasons); +#endif + + } + } diff --git a/src/lib/libcrypto/comp/comp_lib.c b/src/lib/libcrypto/comp/comp_lib.c new file mode 100644 index 0000000000..a67ef23bc0 --- /dev/null +++ b/src/lib/libcrypto/comp/comp_lib.c @@ -0,0 +1,78 @@ +#include +#include +#include +#include +#include + +COMP_CTX *COMP_CTX_new(COMP_METHOD *meth) + { + COMP_CTX *ret; + + if ((ret=(COMP_CTX *)Malloc(sizeof(COMP_CTX))) == NULL) + { + /* ZZZZZZZZZZZZZZZZ */ + return(NULL); + } + memset(ret,0,sizeof(COMP_CTX)); + ret->meth=meth; + if ((ret->meth->init != NULL) && !ret->meth->init(ret)) + { + Free(ret); + ret=NULL; + } +#if 0 + else + CRYPTO_new_ex_data(rsa_meth,(char *)ret,&ret->ex_data); +#endif + return(ret); + } + +void COMP_CTX_free(COMP_CTX *ctx) + { + /* CRYPTO_free_ex_data(rsa_meth,(char *)ctx,&ctx->ex_data); */ + + 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) + { + /* ZZZZZZZZZZZZZZZZZ */ + 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) + { + /* ZZZZZZZZZZZZZZZZZ */ + return(-1); + } + ret=ctx->meth->expand(ctx,out,olen,in,ilen); + if (ret > 0) + { + ctx->expand_in+=ilen; + ctx->expand_out+=ret; + } + return(ret); + } -- cgit v1.2.3-55-g6feb