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authorRalf S. Engelschall <rse@openssl.org>1998-12-21 11:00:56 +0000
committerRalf S. Engelschall <rse@openssl.org>1998-12-21 11:00:56 +0000
commitdfeab0689f69c0b4bd3480ffd37a9cacc2f17d9c (patch)
tree2f74e0cfd76a9e092548a9bf52e579aef984299b /crypto/comp
parent58964a492275ca9a59a0cd9c8155cb2491b4b909 (diff)
Import of old SSLeay release: SSLeay 0.9.1b (unreleased)SSLeay
Diffstat (limited to 'crypto/comp')
-rw-r--r--crypto/comp/Makefile.ssl87
-rw-r--r--crypto/comp/c_rle.c69
-rw-r--r--crypto/comp/c_zlib.c144
-rw-r--r--crypto/comp/comp.err0
-rw-r--r--crypto/comp/comp.h64
-rw-r--r--crypto/comp/comp_err.c77
-rw-r--r--crypto/comp/comp_lib.c85
7 files changed, 526 insertions, 0 deletions
diff --git a/crypto/comp/Makefile.ssl b/crypto/comp/Makefile.ssl
new file mode 100644
index 0000000000..8673626c94
--- /dev/null
+++ b/crypto/comp/Makefile.ssl
@@ -0,0 +1,87 @@
+#
+# SSLeay/crypto/comp/Makefile
+#
+
+DIR= comp
+TOP= ../..
+CC= cc
+INCLUDES= -I.. -I../../include
+CFLAG=-g
+INSTALLTOP=/usr/local/ssl
+MAKE= make -f Makefile.ssl
+MAKEDEPEND= makedepend -f Makefile.ssl
+MAKEFILE= Makefile.ssl
+AR= ar r
+
+CFLAGS= $(INCLUDES) $(CFLAG)
+
+ERR=comp
+ERRC=comp_err
+GENERAL=Makefile
+TEST=
+APPS=
+
+LIB=$(TOP)/libcrypto.a
+LIBSRC= comp_lib.c \
+ c_rle.c c_zlib.c
+
+LIBOBJ= comp_lib.o \
+ c_rle.o c_zlib.o
+
+SRC= $(LIBSRC)
+
+EXHEADER= comp.h
+HEADER= $(EXHEADER)
+
+ALL= $(GENERAL) $(SRC) $(HEADER)
+
+top:
+ (cd ../..; $(MAKE) DIRS=crypto SDIRS=$(DIR) sub_all)
+
+all: lib
+
+lib: $(LIBOBJ)
+ $(AR) $(LIB) $(LIBOBJ)
+ sh $(TOP)/util/ranlib.sh $(LIB)
+ @touch lib
+
+files:
+ perl $(TOP)/util/files.pl Makefile.ssl >> $(TOP)/MINFO
+
+links:
+ /bin/rm -f Makefile
+ $(TOP)/util/point.sh Makefile.ssl Makefile ;
+ $(TOP)/util/mklink.sh ../../include $(EXHEADER)
+ $(TOP)/util/mklink.sh ../../test $(TEST)
+ $(TOP)/util/mklink.sh ../../apps $(APPS)
+
+install:
+ @for i in $(EXHEADER) ; \
+ do \
+ (cp $$i $(INSTALLTOP)/include/$$i; \
+ chmod 644 $(INSTALLTOP)/include/$$i ); \
+ done;
+
+tags:
+ ctags $(SRC)
+
+tests:
+
+lint:
+ lint -DLINT $(INCLUDES) $(SRC)>fluff
+
+depend:
+ $(MAKEDEPEND) $(INCLUDES) $(LIBSRC)
+
+dclean:
+ perl -pe 'if (/^# DO NOT DELETE THIS LINE/) {print; exit(0);}' $(MAKEFILE) >Makefile.new
+ mv -f Makefile.new $(MAKEFILE)
+
+clean:
+ /bin/rm -f *.o *.obj lib tags core .pure .nfs* *.old *.bak fluff
+
+errors:
+ perl $(TOP)/util/err-ins.pl $(ERR).err $(ERR).h
+ perl ../err/err_genc.pl -s $(ERR).h $(ERRC).c
+
+# DO NOT DELETE THIS LINE -- make depend depends on it.
diff --git a/crypto/comp/c_rle.c b/crypto/comp/c_rle.c
new file mode 100644
index 0000000000..b8b9b3e1bc
--- /dev/null
+++ b/crypto/comp/c_rle.c
@@ -0,0 +1,69 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "objects.h"
+#include "comp.h"
+
+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()
+ {
+ return(&rle_method);
+ }
+
+static int rle_compress_block(ctx,out,olen,in,ilen)
+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(ctx,out,olen,in,ilen)
+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/crypto/comp/c_zlib.c b/crypto/comp/c_zlib.c
new file mode 100644
index 0000000000..35ab0c63dc
--- /dev/null
+++ b/crypto/comp/c_zlib.c
@@ -0,0 +1,144 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "objects.h"
+#include "comp.h"
+
+COMP_METHOD *COMP_zlib(void );
+
+#ifndef ZLIB
+
+static COMP_METHOD zlib_method={
+ NID_undef,
+ "(null)",
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ };
+
+#else
+
+#include <zlib.h>
+
+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(ctx,out,olen,in,ilen)
+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(ctx,out,olen,in,ilen)
+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 (dest, destLen, source, sourceLen)
+ 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()
+ {
+ return(&zlib_method);
+ }
+
diff --git a/crypto/comp/comp.err b/crypto/comp/comp.err
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/crypto/comp/comp.err
diff --git a/crypto/comp/comp.h b/crypto/comp/comp.h
new file mode 100644
index 0000000000..00af0622b9
--- /dev/null
+++ b/crypto/comp/comp.h
@@ -0,0 +1,64 @@
+
+#ifndef HEADER_COMP_H
+#define HEADER_COMP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "crypto.h"
+
+typedef struct comp_method_st
+ {
+ int type; /* NID for compression library */
+ 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;
+
+#ifndef NOPROTO
+
+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
+
+#else
+
+COMP_CTX *COMP_CTX_new();
+void COMP_CTX_free();
+int COMP_compress_block();
+int COMP_expand_block();
+COMP_METHOD *COMP_rle();
+#ifdef ZLIB
+COMP_METHOD *COMP_zlib();
+#endif
+
+#endif
+/* BEGIN ERROR CODES */
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
diff --git a/crypto/comp/comp_err.c b/crypto/comp/comp_err.c
new file mode 100644
index 0000000000..7b68fc1b9d
--- /dev/null
+++ b/crypto/comp/comp_err.c
@@ -0,0 +1,77 @@
+/* lib//_err.c */
+/* Copyright (C) 1995-1997 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 "err.h"
+#include "comp.h"
+
+/* BEGIN ERROR CODES */
+#ifndef NO_ERR
+#endif
+
+void ERR_load__strings()
+ {
+ static int init=1;
+
+ if (init)
+ {
+ init=0;
+#ifndef NO_ERR
+#endif
+
+ }
+ }
diff --git a/crypto/comp/comp_lib.c b/crypto/comp/comp_lib.c
new file mode 100644
index 0000000000..8ce06951af
--- /dev/null
+++ b/crypto/comp/comp_lib.c
@@ -0,0 +1,85 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include "objects.h"
+#include "comp.h"
+
+COMP_CTX *COMP_CTX_new(meth)
+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(ctx)
+COMP_CTX *ctx;
+ {
+ /* CRYPTO_free_ex_data(rsa_meth,(char *)ctx,&ctx->ex_data); */
+
+ if (ctx->meth->finish != NULL)
+ ctx->meth->finish(ctx);
+
+ Free(ctx);
+ }
+
+int COMP_compress_block(ctx,out,olen,in,ilen)
+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(ctx,out,olen,in,ilen)
+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);
+ }