From f9455f34d0010686377dca01294a7f7be80d738c Mon Sep 17 00:00:00 2001 From: diego Date: Thu, 20 Dec 2007 10:10:26 +0000 Subject: [PATCH] Remove internal unrarlib copy, the new unrarexec code is a strict superset. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25468 b3059339-0415-0410-9bf9-f77b7e298cf2 --- Copyright | 8 - Makefile | 1 - configure | 15 - unrar_exec.h | 18 +- unrarlib.c | 2729 -------------------------------------------------- unrarlib.h | 204 ---- vobsub.c | 28 +- 7 files changed, 18 insertions(+), 2985 deletions(-) delete mode 100644 unrarlib.c delete mode 100644 unrarlib.h diff --git a/Copyright b/Copyright index 4fdb9ed4e7..5a46a55d3f 100644 --- a/Copyright +++ b/Copyright @@ -136,14 +136,6 @@ Directory: libmpdemux/genres.h Copyright: 2001 Jason Carter License: GNU General Public License -Name: unrarlib -Version: 0.4.0 + patches -Homepage: http://www.unrarlib.org/ -Directory: unrarlib.[ch] -Copyright: 2000-2002 Christian Scheurer (www.ChristianScheurer.ch) - 2000-2002 by Johannes Winkelmann (jw@tks6.net) -License: GNU General Public License / UniquE RAR File Library License - Name: FreeSDP Version: 0.4.1 Homepage: https://savannah.nongnu.org/projects/freesdp/ diff --git a/Makefile b/Makefile index 9f79e1991b..7f0b35b897 100644 --- a/Makefile +++ b/Makefile @@ -34,7 +34,6 @@ SRCS_COMMON = asxparser.c \ subreader.c \ vobsub.c \ -SRCS_COMMON-$(UNRARLIB) += unrarlib.c SRCS_COMMON-$(UNRAR_EXEC) += unrar_exec.c SRCS_MPLAYER = mplayer.c \ diff --git a/configure b/configure index 1bb44e4318..1be83af62c 100755 --- a/configure +++ b/configure @@ -255,7 +255,6 @@ Optional features: --disable-bitmap-font disable bitmap font support [enable] --disable-freetype disable FreeType 2 font rendering [autodetect] --disable-fontconfig disable fontconfig font lookup [autodetect] - --disable-unrarlib disable Unique RAR File Library [enabled] --disable-unrarexec disable using of UnRAR executable [enabled] --enable-menu enable OSD menu (not DVD menu) [disabled] --disable-sortsub disable subtitle sorting [enabled] @@ -592,7 +591,6 @@ _sgiaudio=auto _sunaudio=auto _alsa=auto _fastmemcpy=yes -_unrarlib=yes _unrar_exec=auto _win32dll=auto _select=yes @@ -1097,8 +1095,6 @@ for ac_option do --disable-freetype) _freetype=no ;; --enable-fontconfig) _fontconfig=yes ;; --disable-fontconfig) _fontconfig=no ;; - --enable-unrarlib) _unrarlib=yes ;; - --disable-unrarlib) _unrarlib=no ;; --enable-unrarexec) _unrar_exec=yes ;; --disable-unrarexec) _unrar_exec=no ;; --enable-ftp) _ftp=yes ;; @@ -6711,13 +6707,6 @@ else fi echores "$_fastmemcpy" -echocheck "UniquE RAR File Library" -if test "$_unrarlib" = yes ; then - _def_unrarlib='#define USE_UNRARLIB 1' -else - _def_unrarlib='#undef USE_UNRARLIB' -fi -echores "$_unrarlib" echocheck "UnRAR executable" if test "$_unrar_exec" = auto ; then @@ -7626,7 +7615,6 @@ FAAD = $_faad SPEEX = $_speex MUSEPACK = $_musepack -UNRARLIB = $_unrarlib UNRAR_EXEC = $_unrar_exec PNG = $_png JPEG = $_jpeg @@ -8179,9 +8167,6 @@ $_def_nemesi /* Use 3dnow/mmxext/sse/mmx optimized fast memcpy() [maybe buggy... signal 4]*/ $_def_fastmemcpy -/* Use unrarlib for Vobsubs */ -$_def_unrarlib - /* Use UnRAR executable for Vobsubs */ $_def_unrar_exec diff --git a/unrar_exec.h b/unrar_exec.h index f34cac4f10..403ef63efe 100644 --- a/unrar_exec.h +++ b/unrar_exec.h @@ -24,7 +24,23 @@ #ifndef UNRAR_EXEC_H #define UNRAR_EXEC_H -#include "unrarlib.h" +struct RAR_archive_entry +{ + char *Name; + unsigned long PackSize; + unsigned long UnpSize; + unsigned long FileCRC; + unsigned long FileTime; + unsigned char UnpVer; + unsigned char Method; + unsigned long FileAttr; +}; + +typedef struct archivelist +{ + struct RAR_archive_entry item; + struct archivelist *next; +} ArchiveList_struct; extern char* unrar_executable; diff --git a/unrarlib.c b/unrarlib.c deleted file mode 100644 index be67e7528e..0000000000 --- a/unrarlib.c +++ /dev/null @@ -1,2729 +0,0 @@ -/* *************************************************************************** - ** - ** This file is part of the UniquE RAR File Library. - ** - ** Copyright (C) 2000-2002 by Christian Scheurer (www.ChristianScheurer.ch) - ** UNIX port copyright (c) 2000-2002 by Johannes Winkelmann (jw@tks6.net) - ** - ** Modified for use with MPlayer, detailed changelog at - ** http://svn.mplayerhq.hu/mplayer/trunk/ - ** $Id$ - ** - ** The contents of this file are subject to the UniquE RAR File Library - ** License (the "unrarlib-license.txt"). You may not use this file except - ** in compliance with the License. You may obtain a copy of the License - ** at http://www.unrarlib.org/license.html. - ** Software distributed under the License is distributed on an "AS IS" - ** basis, WITHOUT WARRANTY OF ANY KIND, either express or implied warranty. - ** - ** Alternatively, the contents of this file may be used under the terms - ** of the GNU General Public License Version 2 or later (the "GPL"), in - ** which case the provisions of the GPL are applicable instead of those - ** above. If you wish to allow use of your version of this file only - ** under the terms of the GPL and not to allow others to use your version - ** of this file under the terms of the UniquE RAR File Library License, - ** indicate your decision by deleting the provisions above and replace - ** them with the notice and other provisions required by the GPL. If you - ** do not delete the provisions above, a recipient may use your version - ** of this file under the terms of the GPL or the UniquE RAR File Library - ** License. - ** - ************************************************************************** */ - -/* *************************************************************************** - ** - ** UniquE RAR File Library - ** The free file lib for the demoscene - ** multi-OS version (Win32, Linux and SunOS) - ** - ***************************************************************************** - ** - ** ==> Please configure the program in "unrarlib.h". <== - ** - ** RAR decompression code: - ** (C) Eugene Roshal - ** Modifications to a FileLib: - ** (C) 2000-2002 Christian Scheurer aka. UniquE/Vantage (cs@unrarlib.org) - ** Linux port: - ** (C) 2000-2002 Johannes Winkelmann (jw@tks6.net) - ** - ** The UniquE RAR File Library gives you the ability to access RAR archives - ** (any compression method supported in RAR v2.0 including Multimedia - ** Compression and encryption) directly from your program with ease an by - ** adding only 12kB (6kB UPX-compressed) additional code to your program. - ** Both solid and normal (recommended for fast random access to the files!) - ** archives are supported. This FileLib is made for the Demo scene, so it's - ** designed for easy use within your demos and intros. - ** Please read "licence.txt" to learn more about how you may use URARFileLib - ** in your productions. - ** - ***************************************************************************** - ** - ** ==> see the "CHANGES" file to see what's new - ** - ************************************************************************** */ - -/* -- include files ------------------------------------------------------- */ -#include "unrarlib.h" /* include global configuration */ -/* ------------------------------------------------------------------------ */ - - - -/* -- global stuff -------------------------------------------------------- */ -#ifdef _WIN_32 - -#include /* WIN32 definitions */ -#include -#include - - -#define ENABLE_ACCESS - -#define HOST_OS WIN_32 - -#define FM_NORMAL 0x00 -#define FM_RDONLY 0x01 -#define FM_HIDDEN 0x02 -#define FM_SYSTEM 0x04 -#define FM_LABEL 0x08 -#define FM_DIREC 0x10 -#define FM_ARCH 0x20 - -#define PATHDIVIDER "\\" -#define CPATHDIVIDER '\\' -#define MASKALL "*.*" - -#define READBINARY "rb" -#define READTEXT "rt" -#define UPDATEBINARY "r+b" -#define CREATEBINARY "w+b" -#define CREATETEXT "w" -#define APPENDTEXT "at" - -#endif - -#ifdef _UNIX - -#include /* LINUX/UNIX definitions */ -#include -#include -#include - -#define ENABLE_ACCESS - -#define HOST_OS UNIX - -#define FM_LABEL 0x0000 -#define FM_DIREC 0x4000 - -#define PATHDIVIDER "/" -#define CPATHDIVIDER '/' -#define MASKALL "*.*" - -#define READBINARY "r" -#define READTEXT "r" -#define UPDATEBINARY "r+" -#define CREATEBINARY "w+" -#define CREATETEXT "w" -#define APPENDTEXT "a" - - -/* emulation of the windows API and data types */ -/* 20-08-2000 Johannes Winkelmann, jw@tks6.net */ - -typedef long DWORD; -typedef short BOOL; -#define TRUE 1 -#define FALSE 0 - - -#ifdef _DEBUG_LOG /* define macros for debugging */ -#include -#include - -DWORD GetTickCount() -{ - struct timeval tv; - gettimeofday( &tv, 0 ); - return (tv.tv_usec / 1000); -} -#endif - -#endif - - - - - -#ifdef _DEBUG_LOG /* define macros for debugging */ - -BOOL debug_log_first_start = TRUE; - -#define debug_log(a); debug_log_proc(a, __FILE__, __LINE__); -#define debug_init(a); debug_init_proc(a); - -void debug_log_proc(char *text, char *sourcefile, int sourceline); -void debug_init_proc(char *file_name); - -#else -#define debug_log(a); /* no debug this time */ -#define debug_init(a); /* no debug this time */ -#endif - - - - - -#define MAXWINSIZE 0x100000 -#define MAXWINMASK (MAXWINSIZE-1) -#define UNP_MEMORY MAXWINSIZE -#define Min(x,y) (((x)<(y)) ? (x):(y)) -#define Max(x,y) (((x)>(y)) ? (x):(y)) -#define NM 260 - -#define SIZEOF_MARKHEAD 7 -#define SIZEOF_OLDMHD 7 -#define SIZEOF_NEWMHD 13 -#define SIZEOF_OLDLHD 21 -#define SIZEOF_NEWLHD 32 -#define SIZEOF_SHORTBLOCKHEAD 7 -#define SIZEOF_LONGBLOCKHEAD 11 -#define SIZEOF_COMMHEAD 13 -#define SIZEOF_PROTECTHEAD 26 - - -#define PACK_VER 20 /* version of decompression code*/ -#define UNP_VER 20 -#define PROTECT_VER 20 - - -enum { M_DENYREAD,M_DENYWRITE,M_DENYNONE,M_DENYALL }; -enum { FILE_EMPTY,FILE_ADD,FILE_UPDATE,FILE_COPYOLD,FILE_COPYBLOCK }; -enum { SUCCESS,WARNING,FATAL_ERROR,CRC_ERROR,LOCK_ERROR,WRITE_ERROR, - OPEN_ERROR,USER_ERROR,MEMORY_ERROR,USER_BREAK=255,IMM_ABORT=0x8000 }; -enum { EN_LOCK=1,EN_VOL=2 }; -enum { SD_MEMORY=1,SD_FILES=2 }; -enum { NAMES_DONTCHANGE }; -enum { LOG_ARC=1,LOG_FILE=2 }; -enum { OLD_DECODE=0,OLD_ENCODE=1,NEW_CRYPT=2 }; -enum { OLD_UNPACK,NEW_UNPACK }; - - -#define MHD_COMMENT 2 -#define MHD_LOCK 4 -#define MHD_PACK_COMMENT 16 -#define MHD_AV 32 -#define MHD_PROTECT 64 - -#define LHD_SPLIT_BEFORE 1 -#define LHD_SPLIT_AFTER 2 -#define LHD_PASSWORD 4 -#define LHD_COMMENT 8 -#define LHD_SOLID 16 - -#define LHD_WINDOWMASK 0x00e0 -#define LHD_WINDOW64 0 -#define LHD_WINDOW128 32 -#define LHD_WINDOW256 64 -#define LHD_WINDOW512 96 -#define LHD_WINDOW1024 128 -#define LHD_DIRECTORY 0x00e0 - -#define LONG_BLOCK 0x8000 -#define READSUBBLOCK 0x8000 - -enum { ALL_HEAD=0,MARK_HEAD=0x72,MAIN_HEAD=0x73,FILE_HEAD=0x74, - COMM_HEAD=0x75,AV_HEAD=0x76,SUB_HEAD=0x77,PROTECT_HEAD=0x78}; -enum { EA_HEAD=0x100 }; -enum { MS_DOS=0,OS2=1,WIN_32=2,UNIX=3 }; - - -struct MarkHeader -{ - UBYTE Mark[7]; -}; - - -struct NewMainArchiveHeader -{ - UWORD HeadCRC; - UBYTE HeadType; - UWORD Flags; - UWORD HeadSize; - UWORD Reserved; - UDWORD Reserved1; -}; - - -struct NewFileHeader -{ - UWORD HeadCRC; - UBYTE HeadType; - UWORD Flags; - UWORD HeadSize; - UDWORD PackSize; - UDWORD UnpSize; - UBYTE HostOS; - UDWORD FileCRC; - UDWORD FileTime; - UBYTE UnpVer; - UBYTE Method; - UWORD NameSize; - UDWORD FileAttr; -}; - - -struct BlockHeader -{ - UWORD HeadCRC; - UBYTE HeadType; - UWORD Flags; - UWORD HeadSize; - UDWORD DataSize; -}; - - -struct Decode -{ - unsigned int MaxNum; - unsigned int DecodeLen[16]; - unsigned int DecodePos[16]; - unsigned int DecodeNum[2]; -}; - - -struct MarkHeader MarkHead; -struct NewMainArchiveHeader NewMhd; -struct NewFileHeader NewLhd; -struct BlockHeader BlockHead; - -static UBYTE *TempMemory = NULL; /* temporary unpack-buffer */ -static char *CommMemory = NULL; - - -static UBYTE *UnpMemory = NULL; -static char* ArgName = NULL; /* current file in rar archive */ -static char* ArcFileName = NULL; /* file to decompress */ - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION /* mem-to-mem decompression */ - static MemoryFile *MemRARFile; /* pointer to RAR file in memory*/ -#else - static char* ArcName = NULL; /* RAR archive name */ - static FILE *ArcPtr; /* input RAR file handler */ -#endif -static char *Password = NULL; /* password to decrypt files */ - -static unsigned char *temp_output_buffer; /* extract files to this pointer*/ -static unsigned long *temp_output_buffer_offset; /* size of temp. extract buffer */ - -static BOOL FileFound; /* TRUE=use current extracted */ - /* data FALSE=throw data away, */ - /* wrong file */ -static int MainHeadSize; -static long CurBlockPos,NextBlockPos; - -static unsigned long CurUnpRead, CurUnpWrite; -static long UnpPackedSize; -static long DestUnpSize; - -static UDWORD HeaderCRC; -static int Encryption; - -//static unsigned int UnpWrSize; -//static unsigned char *UnpWrAddr; -static unsigned int UnpPtr,WrPtr; - -static unsigned char PN1,PN2,PN3; -static unsigned short OldKey[4]; - - - -/* function header definitions */ -static int ReadHeader(int BlockType); -static BOOL ExtrFile(void); -//BOOL ListFile(void); -static int tread(void *stream,void *buf,unsigned len); -static int tseek(void *stream,long offset,int fromwhere); -static BOOL UnstoreFile(void); -static int IsArchive(void); -static int ReadBlock(int BlockType); -static unsigned int UnpRead(unsigned char *Addr,unsigned int Count); -static void UnpInitData(void); -static void Unpack(unsigned char *UnpAddr); -static UBYTE DecodeAudio(int Delta); -static void DecodeNumber(struct Decode *Dec); -static void UpdKeys(UBYTE *Buf); -static void SetCryptKeys(char *Password); -static void SetOldKeys(char *Password); -static void DecryptBlock(unsigned char *Buf); -static void InitCRC(void); -static UDWORD CalcCRC32(UDWORD StartCRC,UBYTE *Addr,UDWORD Size); -static void UnpReadBuf(int FirstBuf); -static void ReadTables(void); -static void ReadLastTables(void); -static void MakeDecodeTables(unsigned char *LenTab, - struct Decode *Dec, - int Size); -static int my_stricomp(char *Str1,char *Str2); -/* ------------------------------------------------------------------------ */ - - -/* -- global functions ---------------------------------------------------- */ - -int urarlib_get(void *output, - unsigned long *size, - char *filename, - void *rarfile, - char *libpassword) -/* Get a file from a RAR file to the "output" buffer. The UniquE RAR FileLib - * does everything from allocating memory, decrypting and unpacking the file - * from the archive. TRUE is returned if the file could be successfully - * extracted, else a FALSE indicates a failure. - */ -{ - BOOL retcode = FALSE; - -#ifdef _DEBUG_LOG - int str_offs; /* used for debug-strings */ - char DebugMsg[500]; /* used to compose debug msg */ - - if(debug_log_first_start) - { - debug_log_first_start=FALSE; /* only create a new log file */ - debug_init(_DEBUG_LOG_FILE); /* on startup */ - } - -#endif - - InitCRC(); /* init some vars */ - - if(ArgName) free(ArgName); - ArgName = strdup(filename); /* set file(s) to extract */ -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile = rarfile; /* set pointer to mem-RAR file */ -#else - if(ArcName) free(ArcName); - ArcName = strdup(rarfile); /* set RAR file name */ -#endif - if(Password) free(Password); - if(libpassword != NULL) - Password = strdup(libpassword); /* init password */ - else - Password = strdup(""); - - temp_output_buffer = NULL; - temp_output_buffer_offset=size; /* set size of the temp buffer */ - -#ifdef _DEBUG_LOG - sprintf(DebugMsg, "Extracting >%s< from >%s< (password is >%s<)...", - filename, (char*)rarfile, libpassword); - debug_log(DebugMsg); -#endif - - retcode = ExtrFile(); /* unpack file now! */ - - //memset(Password,0,sizeof(Password)); /* clear password */ - -#ifndef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - if (ArcPtr!=NULL){ - fclose(ArcPtr); - ArcPtr = NULL; - } -#endif - - if(UnpMemory) free(UnpMemory); /* free memory */ - if(TempMemory) free(TempMemory); - if(CommMemory) free(CommMemory); - UnpMemory=NULL; - TempMemory=NULL; - CommMemory=NULL; - - - if(retcode == FALSE) - { - if(temp_output_buffer) /* free memory and return NULL */ - free(temp_output_buffer); - temp_output_buffer=NULL; - *(DWORD*)output=0; /* pointer on errors */ - *size=0; -#ifdef _DEBUG_LOG - - - /* sorry for this ugly code, but older SunOS gcc compilers don't support */ - /* white spaces within strings */ - str_offs = sprintf(DebugMsg, "Error - couldn't extract "); - str_offs += sprintf(DebugMsg + str_offs, ">%s<", filename); - str_offs += sprintf(DebugMsg + str_offs, " and allocated "); - str_offs += sprintf(DebugMsg + str_offs, "%u Bytes", (unsigned int)*size); - str_offs += sprintf(DebugMsg + str_offs, " of unused memory!"); - - } else - { - sprintf(DebugMsg, "Extracted %u Bytes.", (unsigned int)*size); - } - debug_log(DebugMsg); -#else - } -#endif - *(DWORD*)output=(DWORD)temp_output_buffer;/* return pointer for unpacked*/ - /* data */ - - return retcode; -} - - -int urarlib_list(void *rarfile, ArchiveList_struct *list) -{ - ArchiveList_struct *tmp_List = NULL; - int NoOfFilesInArchive = 0; /* number of files in archive */ - -#ifdef _DEBUG_LOG - if(debug_log_first_start) - { - debug_log_first_start=FALSE; /* only create a new log file */ - debug_init(_DEBUG_LOG_FILE); /* on startup */ - } -#endif - - InitCRC(); /* init some vars */ - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile = rarfile; /* assign pointer to RAR file */ - MemRARFile->offset = 0; - if (!IsArchive()) - { - debug_log("Not a RAR file"); - return NoOfFilesInArchive; /* error => exit! */ - } -#else - /* open and identify archive */ - if ((ArcPtr=fopen(rarfile,READBINARY))!=NULL) - { - if (!IsArchive()) - { - debug_log("Not a RAR file"); - fclose(ArcPtr); - ArcPtr = NULL; - return NoOfFilesInArchive; /* error => exit! */ - } - } - else { - debug_log("Error opening file."); - return NoOfFilesInArchive; - } -#endif - - if ((UnpMemory=malloc(UNP_MEMORY))==NULL) - { - debug_log("Can't allocate memory for decompression!"); - return NoOfFilesInArchive; - } - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset+=NewMhd.HeadSize-MainHeadSize; -#else - tseek(ArcPtr,NewMhd.HeadSize-MainHeadSize,SEEK_CUR); -#endif - (*(DWORD*)list) = (DWORD)NULL; /* init file list */ - /* do while file is not extracted and there's no error */ - while (TRUE) - { - if (ReadBlock(FILE_HEAD | READSUBBLOCK) <= 0) /* read name of the next */ - { /* file within the RAR archive */ - debug_log("Couldn't read next filename from archive (I/O error)."); - break; /* error, file not found in */ - } /* archive or I/O error */ - if (BlockHead.HeadType==SUB_HEAD) - { - debug_log("Sorry, sub-headers not supported."); - break; /* error => exit */ - } - - if((void*)(*(DWORD*)list) == NULL) /* first entry */ - { - tmp_List = malloc(sizeof(ArchiveList_struct)); - tmp_List->next = NULL; - - (*(DWORD*)list) = (DWORD)tmp_List; - - } else /* add entry */ - { - tmp_List->next = malloc(sizeof(ArchiveList_struct)); - tmp_List = (ArchiveList_struct*) tmp_List->next; - tmp_List->next = NULL; - } - - tmp_List->item.Name = malloc(NewLhd.NameSize + 1); - strcpy(tmp_List->item.Name, ArcFileName); - tmp_List->item.NameSize = NewLhd.NameSize; - tmp_List->item.PackSize = NewLhd.PackSize; - tmp_List->item.UnpSize = NewLhd.UnpSize; - tmp_List->item.HostOS = NewLhd.HostOS; - tmp_List->item.FileCRC = NewLhd.FileCRC; - tmp_List->item.FileTime = NewLhd.FileTime; - tmp_List->item.UnpVer = NewLhd.UnpVer; - tmp_List->item.Method = NewLhd.Method; - tmp_List->item.FileAttr = NewLhd.FileAttr; - - NoOfFilesInArchive++; /* count files */ - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset = NextBlockPos; -#else - if (ArcPtr!=NULL) tseek(ArcPtr,NextBlockPos,SEEK_SET); -#endif - - }; - - /* free memory, clear password and close archive */ - memset(Password,0,sizeof(Password)); /* clear password */ -#ifndef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - if (ArcPtr!=NULL){ - fclose(ArcPtr); - ArcPtr = NULL; - } -#endif - - free(UnpMemory); /* free memory */ - free(TempMemory); - free(CommMemory); - UnpMemory=NULL; - TempMemory=NULL; - CommMemory=NULL; - - return NoOfFilesInArchive; -} - - - -/* urarlib_freelist: - * (after the suggestion and code of Duy Nguyen, Sean O'Blarney - * and Johannes Winkelmann who independently wrote a patch) - * free the memory of a ArchiveList_struct created by urarlib_list. - * - * input: *list pointer to an ArchiveList_struct - * output: - - */ - -void urarlib_freelist(ArchiveList_struct *list) -{ - ArchiveList_struct* tmp = list; - - while ( list ) { - tmp = list->next; - free( list->item.Name ); - free( list ); - list = tmp; - } -} - - -/* ------------------------------------------------------------------------ */ - - - - - - - - - - - - - - - - - -/**************************************************************************** - **************************************************************************** - **************************************************************************** - **************************************************************************** - ******* ******* - ******* ******* - ******* ******* - ******* B L O C K I / O ******* - ******* ******* - ******* ******* - ******* ******* - **************************************************************************** - **************************************************************************** - **************************************************************************** - ****************************************************************************/ - - - -#define GetHeaderByte(N) Header[N] - -#define GetHeaderWord(N) (Header[N]+((UWORD)Header[N+1]<<8)) - -#define GetHeaderDword(N) (Header[N]+((UWORD)Header[N+1]<<8)+\ - ((UDWORD)Header[N+2]<<16)+\ - ((UDWORD)Header[N+3]<<24)) - - -int ReadBlock(int BlockType) -{ - struct NewFileHeader SaveFileHead; - int Size=0,ReadSubBlock=0; - static int LastBlock; - memcpy(&SaveFileHead,&NewLhd,sizeof(SaveFileHead)); - if (BlockType & READSUBBLOCK) - ReadSubBlock=1; - BlockType &= 0xff; - { - while (1) - { -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - CurBlockPos=MemRARFile->offset; /* get offset of mem-file */ -#else - CurBlockPos=ftell(ArcPtr); -#endif - Size=ReadHeader(FILE_HEAD); - if (Size!=0) - { - if (NewLhd.HeadSize 0 && BlockType!=SUB_HEAD) - LastBlock=BlockType; - if (Size==0 || BlockType==ALL_HEAD || NewLhd.HeadType==BlockType || - (NewLhd.HeadType==SUB_HEAD && ReadSubBlock && LastBlock==BlockType)) - break; -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset = NextBlockPos; -#else - tseek(ArcPtr, NextBlockPos, SEEK_SET); -#endif - } - } - - BlockHead.HeadCRC=NewLhd.HeadCRC; - BlockHead.HeadType=NewLhd.HeadType; - BlockHead.Flags=NewLhd.Flags; - BlockHead.HeadSize=NewLhd.HeadSize; - BlockHead.DataSize=NewLhd.PackSize; - - if (BlockType!=NewLhd.HeadType) BlockType=ALL_HEAD; - - if((FILE_HEAD == BlockType) && (Size>0)) - { - ArcFileName=realloc(ArcFileName,NewLhd.NameSize+1); -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - tread(MemRARFile, ArcFileName, NewLhd.NameSize); -#else - tread(ArcPtr,ArcFileName,NewLhd.NameSize); -#endif - ArcFileName[NewLhd.NameSize]=0; -#ifdef _DEBUG_LOG - if (NewLhd.HeadCRC!=(UWORD)~CalcCRC32(HeaderCRC,(UBYTE*)&ArcFileName[0], - NewLhd.NameSize)) - { - debug_log("file header broken"); - } -#endif - Size+=NewLhd.NameSize; - } else - { - memcpy(&NewLhd,&SaveFileHead,sizeof(NewLhd)); -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset = CurBlockPos; -#else - tseek(ArcPtr,CurBlockPos,SEEK_SET); -#endif - } - - - return(Size); -} - - -int ReadHeader(int BlockType) -{ - int Size = 0; - unsigned char Header[64]; - switch(BlockType) - { - case MAIN_HEAD: -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - Size=tread(MemRARFile, Header, SIZEOF_NEWMHD); -#else - Size=tread(ArcPtr,Header,SIZEOF_NEWMHD); -#endif - NewMhd.HeadCRC=(unsigned short)GetHeaderWord(0); - NewMhd.HeadType=GetHeaderByte(2); - NewMhd.Flags=(unsigned short)GetHeaderWord(3); - NewMhd.HeadSize=(unsigned short)GetHeaderWord(5); - NewMhd.Reserved=(unsigned short)GetHeaderWord(7); - NewMhd.Reserved1=GetHeaderDword(9); - HeaderCRC=CalcCRC32(0xFFFFFFFFL,&Header[2],SIZEOF_NEWMHD-2); - break; - case FILE_HEAD: -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - Size=tread(MemRARFile, Header, SIZEOF_NEWLHD); -#else - Size=tread(ArcPtr,Header,SIZEOF_NEWLHD); -#endif - NewLhd.HeadCRC=(unsigned short)GetHeaderWord(0); - NewLhd.HeadType=GetHeaderByte(2); - NewLhd.Flags=(unsigned short)GetHeaderWord(3); - NewLhd.HeadSize=(unsigned short)GetHeaderWord(5); - NewLhd.PackSize=GetHeaderDword(7); - NewLhd.UnpSize=GetHeaderDword(11); - NewLhd.HostOS=GetHeaderByte(15); - NewLhd.FileCRC=GetHeaderDword(16); - NewLhd.FileTime=GetHeaderDword(20); - NewLhd.UnpVer=GetHeaderByte(24); - NewLhd.Method=GetHeaderByte(25); - NewLhd.NameSize=(unsigned short)GetHeaderWord(26); - NewLhd.FileAttr=GetHeaderDword(28); - HeaderCRC=CalcCRC32(0xFFFFFFFFL,&Header[2],SIZEOF_NEWLHD-2); - break; - -#ifdef _DEBUG_LOG - case COMM_HEAD: /* log errors in case of debug */ - debug_log("Comment headers not supported! "\ - "Please create archives without comments."); - break; - case PROTECT_HEAD: - debug_log("Protected headers not supported!"); - break; - case ALL_HEAD: - debug_log("ShortBlockHeader not supported!"); - break; - default: - debug_log("Unknown//unsupported !"); -#else - default: /* else do nothing */ - break; -#endif - } - return(Size); -} - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - - - - - - - - - - - - - - - - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - **************************************************************************** - ******* ******* - ******* ******* - ******* ******* - ******* E X T R A C T L O O P ******* - ******* ******* - ******* ******* - ******* ******* - **************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - -int IsArchive(void) -{ -#ifdef _DEBUG_LOG - int str_offs; /* used for debug-strings */ - char DebugMsg[500]; /* used to compose debug msg */ -#endif - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - if (tread(MemRARFile, MarkHead.Mark, SIZEOF_MARKHEAD) != SIZEOF_MARKHEAD) - return(FALSE); -#else - if (tread(ArcPtr,MarkHead.Mark,SIZEOF_MARKHEAD)!=SIZEOF_MARKHEAD) - return(FALSE); -#endif - /* Old archive => error */ - if (MarkHead.Mark[0]==0x52 && MarkHead.Mark[1]==0x45 && - MarkHead.Mark[2]==0x7e && MarkHead.Mark[3]==0x5e) - { - debug_log("Attention: format as OLD detected! Can't handel archive!"); - } - else - /* original RAR v2.0 */ - if ((MarkHead.Mark[0]==0x52 && MarkHead.Mark[1]==0x61 && /* original */ - MarkHead.Mark[2]==0x72 && MarkHead.Mark[3]==0x21 && /* RAR header*/ - MarkHead.Mark[4]==0x1a && MarkHead.Mark[5]==0x07 && - MarkHead.Mark[6]==0x00) || - /* "UniquE!" - header */ - (MarkHead.Mark[0]=='U' && MarkHead.Mark[1]=='n' && /* "UniquE!" */ - MarkHead.Mark[2]=='i' && MarkHead.Mark[3]=='q' && /* header */ - MarkHead.Mark[4]=='u' && MarkHead.Mark[5]=='E' && - MarkHead.Mark[6]=='!')) - - { - if (ReadHeader(MAIN_HEAD)!=SIZEOF_NEWMHD) - return(FALSE); - } else - { - -#ifdef _DEBUG_LOG - /* sorry for this ugly code, but older SunOS gcc compilers don't */ - /* support white spaces within strings */ - str_offs = sprintf(DebugMsg, "unknown archive type (only plain RAR "); - str_offs += sprintf(DebugMsg + str_offs, "supported (normal and solid "); - str_offs += sprintf(DebugMsg + str_offs, "archives), SFX and Volumes "); - str_offs += sprintf(DebugMsg + str_offs, "are NOT supported!)"); - - debug_log(DebugMsg); -#endif - - } - - - MainHeadSize=SIZEOF_NEWMHD; - - return(TRUE); -} - - -BOOL ExtrFile(void) -{ - BOOL ReturnCode=TRUE; - FileFound=FALSE; /* no file found by default */ - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset = 0; /* start reading from offset 0 */ - if (!IsArchive()) - { - debug_log("Not a RAR file"); - return FALSE; /* error => exit! */ - } - -#else - /* open and identify archive */ - if ((ArcPtr=fopen(ArcName,READBINARY))!=NULL) - { - if (!IsArchive()) - { - debug_log("Not a RAR file"); - fclose(ArcPtr); - ArcPtr = NULL; - return FALSE; /* error => exit! */ - } - } else - { - debug_log("Error opening file."); - return FALSE; - } -#endif - - - if ((UnpMemory=malloc(UNP_MEMORY))==NULL) - { - debug_log("Can't allocate memory for decompression!"); - return FALSE; - } - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset+=NewMhd.HeadSize-MainHeadSize; -#else - tseek(ArcPtr,NewMhd.HeadSize-MainHeadSize,SEEK_CUR); -#endif - - /* do while file is not extracted and there's no error */ - do - { - - if (ReadBlock(FILE_HEAD | READSUBBLOCK) <= 0) /* read name of the next */ - { /* file within the RAR archive */ -/* - * - * 21.11.2000 UnQ There's a problem with some linux distros when a file - * can not be found in an archive. - * - * debug_log("Couldn't read next filename from archive (I/O error)."); - * -*/ - ReturnCode=FALSE; - break; /* error, file not found in */ - } /* archive or I/O error */ - if (BlockHead.HeadType==SUB_HEAD) - { - debug_log("Sorry, sub-headers not supported."); - ReturnCode=FALSE; - break; /* error => exit */ - } - - - if(TRUE == (FileFound=(my_stricomp(ArgName, ArcFileName) == 0))) - /* *** file found! *** */ - { - { - temp_output_buffer=malloc(NewLhd.UnpSize);/* allocate memory for the*/ - } - *temp_output_buffer_offset=0; /* file. The default offset */ - /* within the buffer is 0 */ - - if(temp_output_buffer == NULL) - { - debug_log("can't allocate memory for the file decompression"); - ReturnCode=FALSE; - break; /* error, can't extract file! */ - } - - - } - - /* in case of a solid archive, we need to decompress any single file till - * we have found the one we are looking for. In case of normal archives - * (recommended!!), we skip the files until we are sure that it is the - * one we want. - */ - if((NewMhd.Flags & 0x08) || FileFound) - { - if (NewLhd.UnpVer<13 || NewLhd.UnpVer>UNP_VER) - { - debug_log("unknown compression method"); - ReturnCode=FALSE; - break; /* error, can't extract file! */ - } - - CurUnpRead=CurUnpWrite=0; - if ((*Password!=0) && (NewLhd.Flags & LHD_PASSWORD)) - Encryption=NewLhd.UnpVer; - else - Encryption=0; - if (Encryption) SetCryptKeys(Password); - - UnpPackedSize=NewLhd.PackSize; - DestUnpSize=NewLhd.UnpSize; - - if (NewLhd.Method==0x30) - { - UnstoreFile(); - } else - { - Unpack(UnpMemory); - } - - - -#ifdef _DO_CRC32_CHECK /* calculate CRC32 */ - if((UBYTE*)temp_output_buffer != NULL) - { - if(NewLhd.FileCRC!=~CalcCRC32(0xFFFFFFFFL, - (UBYTE*)temp_output_buffer, - NewLhd.UnpSize)) - { - debug_log("CRC32 error - file couldn't be decompressed correctly!"); - ReturnCode=FALSE; - break; /* error, can't extract file! */ - } - } -#endif - - } - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - MemRARFile->offset = NextBlockPos; -#else - if (ArcPtr!=NULL) tseek(ArcPtr,NextBlockPos,SEEK_SET); -#endif - } while(my_stricomp(ArgName, ArcFileName) != 0);/* exit if file is extracted */ - - /* free memory, clear password and close archive */ - free(UnpMemory); - UnpMemory=NULL; -#ifndef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - if (ArcPtr!=NULL){ - fclose(ArcPtr); - ArcPtr = NULL; - } -#endif - - return ReturnCode; /* file extracted successful! */ -} - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - - - - - - - - - - - - - - - - - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - **************************************************************************** - ******* ******* - ******* ******* - ******* ******* - ******* G L O B A L F U N C T I O N S ******* - ******* ******* - ******* ******* - ******* ******* - **************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - -int tread(void *stream,void *buf,unsigned len) -{ -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - - if(((MemRARFile->offset + len) > MemRARFile->size) || (len == 0)) - return 0; - - memcpy(buf, - (BYTE*)(((MemoryFile*)stream)->data)+((MemoryFile*)stream)->offset, - len % ((((MemoryFile*)stream)->size) - 1)); - - MemRARFile->offset+=len; /* update read pointer */ - return len % ((((MemoryFile*)stream)->size) - 1); -#else - return(fread(buf,1,len,(FILE*)stream)); -#endif -} - - -#ifndef _USE_MEMORY_TO_MEMORY_DECOMPRESSION -int tseek(void *stream,long offset,int fromwhere) -{ - return(fseek((FILE*)stream,offset,fromwhere)); -} -#endif - - -static char* my_strupper(char *Str) -{ - char *ChPtr; - for (ChPtr=Str;*ChPtr;ChPtr++) - *ChPtr=(char)toupper(*ChPtr); - return(Str); -} - - -static int my_stricomp(char *Str1,char *Str2) -/* compare strings without regard of '\' and '/' */ -{ - char S1[512],S2[512]; - char *chptr; - - strncpy(S1,Str1,sizeof(S1)); - strncpy(S2,Str2,sizeof(S2)); - - while((chptr = strchr(S1, '\\')) != NULL) /* ignore backslash */ - { - *chptr = '_'; - } - - while((chptr = strchr(S2, '\\')) != NULL) /* ignore backslash */ - { - *chptr = '_'; - } - - while((chptr = strchr(S1, '/')) != NULL) /* ignore slash */ - { - *chptr = '_'; - } - - while((chptr = strchr(S2, '/')) != NULL) /* ignore slash */ - { - *chptr = '_'; - } - - return(strcmp(my_strupper(S1),my_strupper(S2))); -} - - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - - - - - - - - - - - - - - - - - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - **************************************************************************** - ******* ******* - ******* ******* - ******* ******* - ******* U N P A C K C O D E ******* - ******* ******* - ******* ******* - ******* ******* - **************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - -/* ***************************** - * ** unpack stored RAR files ** - * *****************************/ - -BOOL UnstoreFile(void) -{ - if ((long)(*temp_output_buffer_offset=UnpRead(temp_output_buffer, - NewLhd.UnpSize))==-1) - { - debug_log("Read error of stored file!"); - return FALSE; - } - return TRUE; -} - - - - -/* **************************************** - * ** RAR decompression code starts here ** - * ****************************************/ - -#define NC 298 /* alphabet = {0,1,2, .,NC - 1} */ -#define DC 48 -#define RC 28 -#define BC 19 -#define MC 257 - -enum {CODE_HUFFMAN=0,CODE_LZ=1,CODE_LZ2=2,CODE_REPEATLZ=3,CODE_CACHELZ=4, - CODE_STARTFILE=5,CODE_ENDFILE=6,CODE_STARTMM=8,CODE_ENDMM=7, - CODE_MMDELTA=9}; - -struct AudioVariables -{ - int K1,K2,K3,K4,K5; - int D1,D2,D3,D4; - int LastDelta; - unsigned int Dif[11]; - unsigned int ByteCount; - int LastChar; -}; - - -#define NC 298 /* alphabet = {0, 1, 2, ..., NC - 1} */ -#define DC 48 -#define RC 28 -#define BC 19 -#define MC 257 - - -struct AudioVariables AudV[4]; - -#define GetBits() \ - BitField = ( ( ( (UDWORD)InBuf[InAddr] << 16 ) | \ - ( (UWORD) InBuf[InAddr+1] << 8 ) | \ - ( InBuf[InAddr+2] ) ) \ - >> (8-InBit) ) & 0xffff; - - -#define AddBits(Bits) \ - InAddr += ( InBit + (Bits) ) >> 3; \ - InBit = ( InBit + (Bits) ) & 7; - -static unsigned char *UnpBuf; -static unsigned int BitField; -static unsigned int Number; - -unsigned char InBuf[8192]; /* input read buffer */ - -unsigned char UnpOldTable[MC*4]; - -unsigned int InAddr,InBit,ReadTop; - -unsigned int LastDist,LastLength; -static unsigned int Length,Distance; - -unsigned int OldDist[4],OldDistPtr; - - -struct LitDecode -{ - unsigned int MaxNum; - unsigned int DecodeLen[16]; - unsigned int DecodePos[16]; - unsigned int DecodeNum[NC]; -} LD; - -struct DistDecode -{ - unsigned int MaxNum; - unsigned int DecodeLen[16]; - unsigned int DecodePos[16]; - unsigned int DecodeNum[DC]; -} DD; - -struct RepDecode -{ - unsigned int MaxNum; - unsigned int DecodeLen[16]; - unsigned int DecodePos[16]; - unsigned int DecodeNum[RC]; -} RD; - -struct MultDecode -{ - unsigned int MaxNum; - unsigned int DecodeLen[16]; - unsigned int DecodePos[16]; - unsigned int DecodeNum[MC]; -} MD[4]; - -struct BitDecode -{ - unsigned int MaxNum; - unsigned int DecodeLen[16]; - unsigned int DecodePos[16]; - unsigned int DecodeNum[BC]; -} BD; - -static struct MultDecode *MDPtr[4]={&MD[0],&MD[1],&MD[2],&MD[3]}; - -int UnpAudioBlock,UnpChannels,CurChannel,ChannelDelta; - - -void Unpack(unsigned char *UnpAddr) -/* *** 38.3% of all CPU time is spent within this function!!! */ -{ - static unsigned char LDecode[]={0,1,2,3,4,5,6,7,8,10,12,14,16,20,24,28,32, - 40,48,56,64,80,96,112,128,160,192,224}; - static unsigned char LBits[]= {0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3, - 3,3,3,4,4,4,4,5,5,5,5}; - static int DDecode[]={0,1,2,3,4,6,8,12,16,24,32,48,64,96,128,192,256,384, - 512,768,1024,1536,2048,3072,4096,6144,8192,12288, - 16384,24576,32768U,49152U,65536,98304,131072,196608, - 262144,327680,393216,458752,524288,589824,655360, - 720896,786432,851968,917504,983040}; - static unsigned char DBits[]= {0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9, - 9,10,10,11,11,12,12,13,13,14,14,15,15,16, - 16,16,16,16,16,16,16,16,16,16,16,16,16}; - static unsigned char SDDecode[]={0,4,8,16,32,64,128,192}; - static unsigned char SDBits[]={2,2,3, 4, 5, 6, 6, 6}; - unsigned int Bits; - - - UnpBuf=UnpAddr; /* UnpAddr is a pointer to the */ - UnpInitData(); /* unpack buffer */ - UnpReadBuf(1); - if (!(NewLhd.Flags & LHD_SOLID)) - ReadTables(); - DestUnpSize--; - - while (DestUnpSize>=0) - { - UnpPtr&=MAXWINMASK; - - if (InAddr>sizeof(InBuf)-30) - UnpReadBuf(0); - if (((WrPtr-UnpPtr) & MAXWINMASK)<270 && WrPtr!=UnpPtr) - { - - - if (FileFound) - { - - if (UnpPtr NewLhd.UnpSize) - { - debug_log("Fatal! Buffer overrun during decompression!"); - DestUnpSize=-1; - - } else - { - /* copy extracted data to output buffer */ - memcpy(temp_output_buffer + *temp_output_buffer_offset, - &UnpBuf[WrPtr], (0-WrPtr) & MAXWINMASK); - /* update offset within buffer */ - *temp_output_buffer_offset+= (0-WrPtr) & MAXWINMASK; - /* copy extracted data to output buffer */ - memcpy(temp_output_buffer + *temp_output_buffer_offset, UnpBuf, - UnpPtr); - /* update offset within buffer */ - *temp_output_buffer_offset+=UnpPtr; - } - } else - { - if((*temp_output_buffer_offset + (UnpPtr-WrPtr)) > NewLhd.UnpSize) - { - debug_log("Fatal! Buffer overrun during decompression!"); - DestUnpSize=-1; - } else - { - /* copy extracted data to output buffer */ - memcpy(temp_output_buffer + *temp_output_buffer_offset, - &UnpBuf[WrPtr], UnpPtr-WrPtr); - *temp_output_buffer_offset+=UnpPtr-WrPtr; /* update offset within buffer */ - } - - } - } - - WrPtr=UnpPtr; - } - - if (UnpAudioBlock) - { - DecodeNumber((struct Decode *)MDPtr[CurChannel]); - if (Number==256) - { - ReadTables(); - continue; - } - UnpBuf[UnpPtr++]=DecodeAudio(Number); - if (++CurChannel==UnpChannels) - CurChannel=0; - DestUnpSize--; - continue; - } - - DecodeNumber((struct Decode *)&LD); - if (Number<256) - { - UnpBuf[UnpPtr++]=(UBYTE)Number; - DestUnpSize--; - continue; - } - if (Number>269) - { - Length=LDecode[Number-=270]+3; - if ((Bits=LBits[Number])>0) - { - GetBits(); - Length+=BitField>>(16-Bits); - AddBits(Bits); - } - - DecodeNumber((struct Decode *)&DD); - Distance=DDecode[Number]+1; - if ((Bits=DBits[Number])>0) - { - GetBits(); - Distance+=BitField>>(16-Bits); - AddBits(Bits); - } - - if (Distance>=0x40000L) - Length++; - - if (Distance>=0x2000) - Length++; - - LastDist=OldDist[OldDistPtr++ & 3]=Distance; - DestUnpSize-=(LastLength=Length); - while (Length--) - { - UnpBuf[UnpPtr]=UnpBuf[(UnpPtr-Distance) & MAXWINMASK]; - UnpPtr=(UnpPtr+1) & MAXWINMASK; - } - - continue; - } - if (Number==269) - { - ReadTables(); - continue; - } - if (Number==256) - { - Length=LastLength; - Distance=LastDist; - LastDist=OldDist[OldDistPtr++ & 3]=Distance; - DestUnpSize-=(LastLength=Length); - while (Length--) - { - UnpBuf[UnpPtr]=UnpBuf[(UnpPtr-Distance) & MAXWINMASK]; - UnpPtr=(UnpPtr+1) & MAXWINMASK; - } - continue; - } - if (Number<261) - { - Distance=OldDist[(OldDistPtr-(Number-256)) & 3]; - DecodeNumber((struct Decode *)&RD); - Length=LDecode[Number]+2; - if ((Bits=LBits[Number])>0) - { - GetBits(); - Length+=BitField>>(16-Bits); - AddBits(Bits); - } - if (Distance>=0x40000) - Length++; - if (Distance>=0x2000) - Length++; - if (Distance>=0x101) - Length++; - LastDist=OldDist[OldDistPtr++ & 3]=Distance; - DestUnpSize-=(LastLength=Length); - while (Length--) - { - UnpBuf[UnpPtr]=UnpBuf[(UnpPtr-Distance) & MAXWINMASK]; - UnpPtr=(UnpPtr+1) & MAXWINMASK; - } - continue; - } - if (Number<270) - { - Distance=SDDecode[Number-=261]+1; - if ((Bits=SDBits[Number])>0) - { - GetBits(); - Distance+=BitField>>(16-Bits); - AddBits(Bits); - } - Length=2; - LastDist=OldDist[OldDistPtr++ & 3]=Distance; - DestUnpSize-=(LastLength=Length); - while (Length--) - { - UnpBuf[UnpPtr]=UnpBuf[(UnpPtr-Distance) & MAXWINMASK]; - UnpPtr=(UnpPtr+1) & MAXWINMASK; - } - continue; - } - } - ReadLastTables(); - - if (FileFound) /* flush buffer */ - { - - if (UnpPtr NewLhd.UnpSize) - { - debug_log("Fatal! Buffer overrun during decompression!"); - DestUnpSize=-1; - } else - { - /* copy extracted data to output buffer */ - memcpy(temp_output_buffer + *temp_output_buffer_offset, &UnpBuf[WrPtr], - (0-WrPtr) & MAXWINMASK); - /* update offset within buffer */ - *temp_output_buffer_offset+= (0-WrPtr) & MAXWINMASK; - /* copy extracted data to output buffer */ - memcpy(temp_output_buffer + *temp_output_buffer_offset, UnpBuf, UnpPtr); - /* update offset within buffer */ - *temp_output_buffer_offset+=UnpPtr; - } - } else - { - if((*temp_output_buffer_offset + (UnpPtr-WrPtr)) > NewLhd.UnpSize) - { - debug_log("Fatal! Buffer overrun during decompression!"); - DestUnpSize=-1; - } else - { - /* copy extracted data to output buffer */ - memcpy(temp_output_buffer + *temp_output_buffer_offset, &UnpBuf[WrPtr], - UnpPtr-WrPtr); - /* update offset within buffer */ - *temp_output_buffer_offset+=UnpPtr-WrPtr; - } - } - } - - WrPtr=UnpPtr; -} - - -unsigned int UnpRead(unsigned char *Addr,unsigned int Count) -{ - int RetCode=0; - unsigned int I,ReadSize,TotalRead=0; - unsigned char *ReadAddr; - ReadAddr=Addr; - while (Count > 0) - { - ReadSize=(unsigned int)((Count>(unsigned long)UnpPackedSize) ? - (unsigned int)UnpPackedSize : Count); -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION - if(MemRARFile->data == NULL) - return(0); - RetCode=tread(MemRARFile, ReadAddr, ReadSize); -#else - if (ArcPtr==NULL) - return(0); - RetCode=tread(ArcPtr,ReadAddr,ReadSize); -#endif - CurUnpRead+=RetCode; - ReadAddr+=RetCode; - TotalRead+=RetCode; - Count-=RetCode; - UnpPackedSize-=RetCode; - break; - } - if (RetCode!= -1) - { - RetCode=TotalRead; - if (Encryption) - { - if (Encryption<20) - { - debug_log("Old Crypt() not supported!"); - } - else - { - for (I=0;I<(unsigned int)RetCode;I+=16) - DecryptBlock(&Addr[I]); - } - } - } - return(RetCode); -} - - -void UnpReadBuf(int FirstBuf) -{ - int RetCode; - if (FirstBuf) - { - ReadTop=UnpRead(InBuf,sizeof(InBuf)); - InAddr=0; - } - else - { - memcpy(InBuf,&InBuf[sizeof(InBuf)-32],32); - InAddr&=0x1f; - RetCode=UnpRead(&InBuf[32],sizeof(InBuf)-32); - if (RetCode>0) - ReadTop=RetCode+32; - else - ReadTop=InAddr; - } -} - - -void ReadTables(void) -{ - UBYTE BitLength[BC]; - unsigned char Table[MC*4]; - int TableSize,N,I; - if (InAddr>sizeof(InBuf)-25) - UnpReadBuf(0); - GetBits(); - UnpAudioBlock=(BitField & 0x8000); - - if (!(BitField & 0x4000)) - memset(UnpOldTable,0,sizeof(UnpOldTable)); - AddBits(2); - - - if (UnpAudioBlock) - { - UnpChannels=((BitField>>12) & 3)+1; - if (CurChannel>=UnpChannels) - CurChannel=0; - AddBits(2); - TableSize=MC*UnpChannels; - } - else - TableSize=NC+DC+RC; - - - for (I=0;I> 12); - AddBits(4); - } - MakeDecodeTables(BitLength,(struct Decode *)&BD,BC); - I=0; - while (Isizeof(InBuf)-5) - UnpReadBuf(0); - DecodeNumber((struct Decode *)&BD); - if (Number<16) - { - Table[I]=(Number+UnpOldTable[I]) & 0xf; - I++; - } - else - if (Number==16) - { - GetBits(); - N=(BitField >> 14)+3; - AddBits(2); - while (N-- > 0 && I> 13)+3; - AddBits(3); - } - else - { - GetBits(); - N=(BitField >> 9)+11; - AddBits(7); - } - while (N-- > 0 && I=InAddr+5) - { - if (UnpAudioBlock) - { - DecodeNumber((struct Decode *)MDPtr[CurChannel]); - if (Number==256) - ReadTables(); - } - else - { - DecodeNumber((struct Decode *)&LD); - if (Number==269) - ReadTables(); - } - } -} - - -static void MakeDecodeTables(unsigned char *LenTab, - struct Decode *Dec, - int Size) -{ - int LenCount[16],TmpPos[16],I; - long M,N; - memset(LenCount,0,sizeof(LenCount)); - for (I=0;IDecodePos[0]=Dec->DecodeLen[0]=0,N=0,I=1;I<16;I++) - { - N=2*(N+LenCount[I]); - M=N<<(15-I); - if (M>0xFFFF) - M=0xFFFF; - Dec->DecodeLen[I]=(unsigned int)M; - TmpPos[I]=Dec->DecodePos[I]=Dec->DecodePos[I-1]+LenCount[I-1]; - } - - for (I=0;IDecodeNum[TmpPos[LenTab[I] & 0xF]++]=I; - Dec->MaxNum=Size; -} - - -static void DecodeNumber(struct Decode *Deco) -/* *** 52.6% of all CPU time is spent within this function!!! */ -{ - unsigned int I; - register unsigned int N; - GetBits(); - -#ifdef _USE_ASM - -#ifdef _WIN_32 - __asm { - - xor eax, eax - mov eax, BitField // N=BitField & 0xFFFE; - and eax, 0xFFFFFFFE - mov [N], eax - mov edx, [Deco] // EAX=N, EDX=Deco - - cmp eax, dword ptr[edx + 8*4 + 4]// if (NDecodeLen[8]) - jae else_G - - cmp eax, dword ptr[edx + 4*4 + 4]// if (NDecodeLen[4]) - jae else_F - - - cmp eax, dword ptr[edx + 2*4 + 4]// if (NDecodeLen[2]) - jae else_C - - cmp eax, dword ptr[edx + 1*4 + 4]// if (NDecodeLen[1]) - jae else_1 - mov I, 1 // I=1; - jmp next_1 - else_1: // else - mov I, 2 // I=2; - next_1: - - jmp next_C - else_C: // else - - cmp eax, dword ptr[edx + 3*4 + 4]// if (NDecodeLen[3]) - jae else_2 - mov I, 3 // I=3; - jmp next_2 - else_2: // else - mov I, 4 // I=4; - next_2: - - next_C: // else - - jmp next_F - else_F: - - - cmp eax, dword ptr[edx + 6*4 + 4]// if (NDecodeLen[6]) - jae else_E - - cmp eax, dword ptr[edx + 5*4 + 4]// if (NDecodeLen[5]) - jae else_3 - mov I, 5 // I=5; - jmp next_3 - else_3: // else - mov I, 6 // I=6; - next_3: - - jmp next_E - else_E: // else - - cmp eax, dword ptr[edx + 7*4 + 4]// if (NDecodeLen[7]) - jae else_4 - mov I, 7 // I=7; - jmp next_4 - else_4: // else - mov I, 8 // I=8; - next_4: - - next_E: - - next_F: - - jmp next_G - else_G: - - cmp eax, dword ptr[edx + 12*4 + 4] // if (NDecodeLen[12]) - jae else_D - - cmp eax, dword ptr[edx + 10*4 + 4]// if (NDecodeLen[10]) - jae else_B - - cmp eax, dword ptr[edx + 9*4 + 4]// if (NDecodeLen[9]) - jae else_5 - mov I, 9 // I=9; - jmp next_5 - else_5: // else - mov I, 10 // I=10; - next_5: - - jmp next_B - else_B: // else - - cmp eax, dword ptr[edx + 11*4 + 4]// if (NDecodeLen[11]) - jae else_6 - mov I, 11 // I=11; - jmp next_6 - else_6: // else - mov I, 12 // I=12; - next_6: - - next_B: - - - jmp next_D - else_D: // else - - cmp eax, dword ptr[edx + 14*4 + 4]// if (NDecodeLen[14]) - jae else_A - - cmp eax, dword ptr[edx + 13*4 + 4]// if (NDecodeLen[13]) - jae else_7 - mov I, 13 // I=13; - jmp next_7 - else_7: // else - mov I, 14 // I=14; - next_7: - - jmp next_A - else_A: // else - mov I, 15 // I=15; - next_A: - - next_D: - next_G: -} -#else - __asm__ __volatile__ ( - "andl $0xFFFFFFFE, %%eax" -" movl %%eax, %1" -" cmpl 8*4(%%edx), %%eax /* 5379 */" -" jae else_G" -"" -" cmpl 4*4(%%edx), %%eax" -" jae else_F" -"" -" cmpl 2*4(%%edx), %%eax" -" jae else_C" -"" -" cmpl 1*4(%%edx), %%eax" -"" -" jae else_1" -" movl $1, %0" -" jmp next_1" -" else_1: " -" movl $2, %0" -" next_1:" -" " -" jmp next_C" -" else_C: " -"" -" cmpl 3*4(%%edx), %%eax " -" jae else_2" -" movl $3, %0" -" jmp next_2" -" else_2: " -" movl $4, %0" -" next_2:" -"" -" next_C: " -"" -" jmp next_F" -" else_F:" -"" -" cmpl 6*4(%%edx), %%eax" -" jae else_E" -"" -" cmpl 5*4(%%edx), %%eax" -" jae else_3" -" movl $5, %0 " -" jmp next_3" -" else_3: " -" movl $6, %0 " -" next_3:" -"" -" jmp next_E" -" else_E: " -"" -" cmpl 7*4(%%edx), %%eax" -" jae else_4" -" movl $7, %0 " -" jmp next_4" -" else_4: " -" movl $8, %0 " -" next_4:" -"" -" next_E:" -"" -" next_F:" -"" -" jmp next_G" -" else_G:" -"" -" cmpl 12*4(%%edx), %%eax" -" jae else_D" -"" -" cmpl 10*4(%%edx), %%eax" -" jae else_B" -"" -" cmpl 9*4(%%edx), %%eax" -" jae else_5" -" movl $9, %0 " -" jmp next_5" -" else_5: " -" movl $10, %0 " -" next_5:" -"" -" jmp next_B" -" else_B: " -"" -" cmpl 11*4(%%edx), %%eax" -" " -" jae else_6" -" movl $11, %0 " -" jmp next_6" -" else_6: " -" movl $12, %0 " -" next_6:" -"" -" next_B:" -" " -" " -" jmp next_D" -" else_D: " -"" -" cmpl 14*4(%%edx), %%eax" -" jae else_A" -"" -" cmpl 13*4(%%edx), %%eax" -" jae else_7" -" movl $13, %0" -" jmp next_7" -" else_7: " -" movl $14, %0" -" next_7:" -"" -" jmp next_A" -" else_A: " -" movl $15, %0 " -" next_A:" -" " -" next_D: " -" next_G:" - : "=g" (I), "=r"(N) - : "eax" ((long)BitField), "edx"((long)Deco->DecodeLen) - : "memory" - ); -#endif /* #ifdef _WIN_32 ... #elif defined _X86_ASM_ */ - -#else - N=BitField & 0xFFFE; - if (NDecodeLen[8]) { - if (NDecodeLen[4]) { - if (NDecodeLen[2]) { - if (NDecodeLen[1]) - I=1; - else - I=2; - } else { - if (NDecodeLen[3]) - I=3; - else - I=4; - } - } else { - if (NDecodeLen[6]) { - if (NDecodeLen[5]) - I=5; - else - I=6; - } else { - if (NDecodeLen[7]) - I=7; - else - I=8; - } - } - } else { - if (NDecodeLen[12]) { - if (NDecodeLen[10]) { - if (NDecodeLen[9]) - I=9; - else - I=10; - } else { - if (NDecodeLen[11]) - I=11; - else - I=12; - } - } else { - if (NDecodeLen[14]) { - if (NDecodeLen[13]) - I=13; - else - I=14; - - } else { - I=15; - } - } - - } -#endif - - AddBits(I); - if ((N=Deco->DecodePos[I]+((N-Deco->DecodeLen[I-1])>>(16-I)))>=Deco->MaxNum) - N=0; - Number=Deco->DecodeNum[N]; -} - - -void UnpInitData() -{ - InAddr=InBit=0; - if (!(NewLhd.Flags & LHD_SOLID)) - { - ChannelDelta=CurChannel=0; - -#ifdef _USE_ASM - -#ifdef _WIN_32 /* Win32 with VisualC */ - - __asm { - push edi - push eax - push ecx - - cld /* increment EDI and ESI */ - mov al, 0x00 - mov ecx, SIZE AudV - mov edi, Offset AudV - rep stosb /* clear memory */ - - mov ecx, SIZE OldDist - mov edi, Offset OldDist - rep stosb /* clear memory */ - - mov ecx, SIZE UnpOldTable - mov edi, Offset UnpOldTable - rep stosb /* clear memory */ - - pop ecx - pop eax - pop edi - - - mov [OldDistPtr], 0 - mov [LastDist], 0 - mov [LastLength], 0 - mov [UnpPtr], 0 - mov [WrPtr], 0 - mov [OldDistPtr], 0 - mov [LastLength], 0 - mov [LastDist], 0 - mov [UnpPtr], 0 - mov [WrPtr], 0 - - } - memset(UnpBuf,0,MAXWINSIZE); - - -#else /* unix/linux on i386 cpus */ - __asm__ __volatile ( -" cld /* increment EDI and ESI */" -" movb $0x00, %%al" -" movl %0, %%ecx" -" movl %1, %%edi" -" rep " -" stosb /* clear memory */" -"" -" movl %2, %%ecx" -" mov %3, %%edi" -" rep " -" stosb /* clear memory */" -"" -" movl %4, %%ecx" -" movl %5, %%edi" -" rep " -" stosb /* clear memory */" -"" -" movl $0, (OldDistPtr)" -" movl $0, (LastDist)" -" movl $0, (LastLength)" -" movl $0, (UnpPtr)" -" movl $0, (WrPtr)" -" movl $0, (OldDistPtr)" -" movl $0, (LastLength)" -" movl $0, (LastDist)" -" movl $0, (UnpPtr)" -" movl $0, (WrPtr)" - : - : "m" ((long)sizeof(AudV)), - "m" ((long)AudV), - "m" ((long)sizeof(OldDist)), - "m" ((long)OldDist), - "m" ((long)sizeof(UnpOldTable)), - "m" ((long)UnpOldTable) - : "memory", "edi", "eax", "ecx" - ); - memset(UnpBuf,0,MAXWINSIZE); -#endif - -#else /* unix/linux on non-i386 cpu */ - memset(AudV,0,sizeof(AudV)); - memset(OldDist,0,sizeof(OldDist)); - OldDistPtr=0; - LastDist=LastLength=0; - memset(UnpBuf,0,MAXWINSIZE); - memset(UnpOldTable,0,sizeof(UnpOldTable)); - UnpPtr=WrPtr=0; -#endif - - } -} - - -UBYTE DecodeAudio(int Delta) -{ - struct AudioVariables *V; - unsigned int Ch; - unsigned int NumMinDif,MinDif; - int PCh,I; - - V=&AudV[CurChannel]; - V->ByteCount++; - V->D4=V->D3; - V->D3=V->D2; - V->D2=V->LastDelta-V->D1; - V->D1=V->LastDelta; - PCh=8*V->LastChar+V->K1*V->D1+V->K2*V->D2+ - V->K3*V->D3+V->K4*V->D4+V->K5*ChannelDelta; - PCh=(PCh>>3) & 0xFF; - - Ch=PCh-Delta; - - I=((signed char)Delta)<<3; - - V->Dif[0]+=abs(I); - V->Dif[1]+=abs(I-V->D1); - V->Dif[2]+=abs(I+V->D1); - V->Dif[3]+=abs(I-V->D2); - V->Dif[4]+=abs(I+V->D2); - V->Dif[5]+=abs(I-V->D3); - V->Dif[6]+=abs(I+V->D3); - V->Dif[7]+=abs(I-V->D4); - V->Dif[8]+=abs(I+V->D4); - V->Dif[9]+=abs(I-ChannelDelta); - V->Dif[10]+=abs(I+ChannelDelta); - - ChannelDelta=V->LastDelta=(signed char)(Ch-V->LastChar); - V->LastChar=Ch; - - if ((V->ByteCount & 0x1F)==0) - { - MinDif=V->Dif[0]; - NumMinDif=0; - V->Dif[0]=0; - for (I=1;(unsigned int)IDif)/sizeof(V->Dif[0]);I++) - { - if (V->Dif[I]Dif[I]; - NumMinDif=I; - } - V->Dif[I]=0; - } - switch(NumMinDif) - { - case 1: - if (V->K1>=-16) - V->K1--; - break; - case 2: - if (V->K1<16) - V->K1++; - break; - case 3: - if (V->K2>=-16) - V->K2--; - break; - case 4: - if (V->K2<16) - V->K2++; - break; - case 5: - if (V->K3>=-16) - V->K3--; - break; - case 6: - if (V->K3<16) - V->K3++; - break; - case 7: - if (V->K4>=-16) - V->K4--; - break; - case 8: - if (V->K4<16) - V->K4++; - break; - case 9: - if (V->K5>=-16) - V->K5--; - break; - case 10: - if (V->K5<16) - V->K5++; - break; - } - } - return((UBYTE)Ch); -} - - - - - - - -/* *************************************************** - * ** CRCCrypt Code - decryption engine starts here ** - * ***************************************************/ - - -#define NROUNDS 32 - -#define rol(x,n) (((x)<<(n)) | ((x)>>(8*sizeof(x)-(n)))) -#define ror(x,n) (((x)>>(n)) | ((x)<<(8*sizeof(x)-(n)))) - -#define substLong(t) ( (UDWORD)SubstTable[(int)t&255] | \ - ((UDWORD)SubstTable[(int)(t>> 8)&255]<< 8) | \ - ((UDWORD)SubstTable[(int)(t>>16)&255]<<16) | \ - ((UDWORD)SubstTable[(int)(t>>24)&255]<<24) ) - - -UDWORD CRCTab[256]; - -UBYTE SubstTable[256]; -UBYTE InitSubstTable[256]={ - 215, 19,149, 35, 73,197,192,205,249, 28, 16,119, 48,221, 2, 42, - 232, 1,177,233, 14, 88,219, 25,223,195,244, 90, 87,239,153,137, - 255,199,147, 70, 92, 66,246, 13,216, 40, 62, 29,217,230, 86, 6, - 71, 24,171,196,101,113,218,123, 93, 91,163,178,202, 67, 44,235, - 107,250, 75,234, 49,167,125,211, 83,114,157,144, 32,193,143, 36, - 158,124,247,187, 89,214,141, 47,121,228, 61,130,213,194,174,251, - 97,110, 54,229,115, 57,152, 94,105,243,212, 55,209,245, 63, 11, - 164,200, 31,156, 81,176,227, 21, 76, 99,139,188,127, 17,248, 51, - 207,120,189,210, 8,226, 41, 72,183,203,135,165,166, 60, 98, 7, - 122, 38,155,170, 69,172,252,238, 39,134, 59,128,236, 27,240, 80, - 131, 3, 85,206,145, 79,154,142,159,220,201,133, 74, 64, 20,129, - 224,185,138,103,173,182, 43, 34,254, 82,198,151,231,180, 58, 10, - 118, 26,102, 12, 50,132, 22,191,136,111,162,179, 45, 4,148,108, - 161, 56, 78,126,242,222, 15,175,146, 23, 33,241,181,190, 77,225, - 0, 46,169,186, 68, 95,237, 65, 53,208,253,168, 9, 18,100, 52, - 116,184,160, 96,109, 37, 30,106,140,104,150, 5,204,117,112, 84 -}; - -UDWORD Key[4]; - - -void EncryptBlock(UBYTE *Buf) -{ - int I; - - UDWORD A,B,C,D,T,TA,TB; -#ifdef NON_INTEL_BYTE_ORDER - A=((UDWORD)Buf[0]|((UDWORD)Buf[1]<<8)|((UDWORD)Buf[2]<<16)| - ((UDWORD)Buf[3]<<24))^Key[0]; - B=((UDWORD)Buf[4]|((UDWORD)Buf[5]<<8)|((UDWORD)Buf[6]<<16)| - ((UDWORD)Buf[7]<<24))^Key[1]; - C=((UDWORD)Buf[8]|((UDWORD)Buf[9]<<8)|((UDWORD)Buf[10]<<16)| - ((UDWORD)Buf[11]<<24))^Key[2]; - D=((UDWORD)Buf[12]|((UDWORD)Buf[13]<<8)|((UDWORD)Buf[14]<<16)| - ((UDWORD)Buf[15]<<24))^Key[3]; -#else - UDWORD *BufPtr; - BufPtr=(UDWORD *)Buf; - A=BufPtr[0]^Key[0]; - B=BufPtr[1]^Key[1]; - C=BufPtr[2]^Key[2]; - D=BufPtr[3]^Key[3]; -#endif - for(I=0;I>8); - Buf[2]=(UBYTE)(C>>16); - Buf[3]=(UBYTE)(C>>24); - D^=Key[1]; - Buf[4]=(UBYTE)D; - Buf[5]=(UBYTE)(D>>8); - Buf[6]=(UBYTE)(D>>16); - Buf[7]=(UBYTE)(D>>24); - A^=Key[2]; - Buf[8]=(UBYTE)A; - Buf[9]=(UBYTE)(A>>8); - Buf[10]=(UBYTE)(A>>16); - Buf[11]=(UBYTE)(A>>24); - B^=Key[3]; - Buf[12]=(UBYTE)B; - Buf[13]=(UBYTE)(B>>8); - Buf[14]=(UBYTE)(B>>16); - Buf[15]=(UBYTE)(B>>24); -#else - BufPtr[0]=C^Key[0]; - BufPtr[1]=D^Key[1]; - BufPtr[2]=A^Key[2]; - BufPtr[3]=B^Key[3]; -#endif - UpdKeys(Buf); -} - - -void DecryptBlock(UBYTE *Buf) -{ - int I; - UBYTE InBuf[16]; - UDWORD A,B,C,D,T,TA,TB; -#ifdef NON_INTEL_BYTE_ORDER - A=((UDWORD)Buf[0]|((UDWORD)Buf[1]<<8)|((UDWORD)Buf[2]<<16)| - ((UDWORD)Buf[3]<<24))^Key[0]; - B=((UDWORD)Buf[4]|((UDWORD)Buf[5]<<8)|((UDWORD)Buf[6]<<16)| - ((UDWORD)Buf[7]<<24))^Key[1]; - C=((UDWORD)Buf[8]|((UDWORD)Buf[9]<<8)|((UDWORD)Buf[10]<<16)| - ((UDWORD)Buf[11]<<24))^Key[2]; - D=((UDWORD)Buf[12]|((UDWORD)Buf[13]<<8)|((UDWORD)Buf[14]<<16)| - ((UDWORD)Buf[15]<<24))^Key[3]; -#else - UDWORD *BufPtr; - BufPtr=(UDWORD *)Buf; - A=BufPtr[0]^Key[0]; /* xxx may be this can be */ - B=BufPtr[1]^Key[1]; /* optimized in assembler */ - C=BufPtr[2]^Key[2]; - D=BufPtr[3]^Key[3]; -#endif - memcpy(InBuf,Buf,sizeof(InBuf)); - for(I=NROUNDS-1;I>=0;I--) - { - T=((C+rol(D,11))^Key[I&3]); - TA=A^substLong(T); - T=((D^rol(C,17))+Key[I&3]); - TB=B^substLong(T); - A=C; - B=D; - C=TA; - D=TB; - } -#ifdef NON_INTEL_BYTE_ORDER - C^=Key[0]; - Buf[0]=(UBYTE)C; - Buf[1]=(UBYTE)(C>>8); - Buf[2]=(UBYTE)(C>>16); - Buf[3]=(UBYTE)(C>>24); - D^=Key[1]; - Buf[4]=(UBYTE)D; - Buf[5]=(UBYTE)(D>>8); - Buf[6]=(UBYTE)(D>>16); - Buf[7]=(UBYTE)(D>>24); - A^=Key[2]; - Buf[8]=(UBYTE)A; - Buf[9]=(UBYTE)(A>>8); - Buf[10]=(UBYTE)(A>>16); - Buf[11]=(UBYTE)(A>>24); - B^=Key[3]; - Buf[12]=(UBYTE)B; - Buf[13]=(UBYTE)(B>>8); - Buf[14]=(UBYTE)(B>>16); - Buf[15]=(UBYTE)(B>>24); -#else - BufPtr[0]=C^Key[0]; - BufPtr[1]=D^Key[1]; - BufPtr[2]=A^Key[2]; - BufPtr[3]=B^Key[3]; -#endif - UpdKeys(InBuf); -} - - -void UpdKeys(UBYTE *Buf) -{ - int I; - for (I=0;I<16;I+=4) - { - Key[0]^=CRCTab[Buf[I]]; /* xxx may be I'll rewrite this */ - Key[1]^=CRCTab[Buf[I+1]]; /* in asm for speedup */ - Key[2]^=CRCTab[Buf[I+2]]; - Key[3]^=CRCTab[Buf[I+3]]; - } -} - -void SetCryptKeys(char *Password) -{ - unsigned int I,J,K,PswLength; - unsigned char N1,N2; - unsigned char Psw[256]; - -#if !defined _USE_ASM - UBYTE Ch; -#endif - - SetOldKeys(Password); - - Key[0]=0xD3A3B879L; - Key[1]=0x3F6D12F7L; - Key[2]=0x7515A235L; - Key[3]=0xA4E7F123L; - memset(Psw,0,sizeof(Psw)); - strcpy((char *)Psw,Password); - PswLength=strlen(Password); - memcpy(SubstTable,InitSubstTable,sizeof(SubstTable)); - - for (J=0;J<256;J++) - for (I=0;I>16); - OldKey[2]=OldKey[3]=0; - PN1=PN2=PN3=0; - while ((Ch=*Password)!=0) - { - PN1+=Ch; - PN2^=Ch; - PN3+=Ch; - PN3=(UBYTE)rol(PN3,1); - OldKey[2]^=((UWORD)(Ch^CRCTab[Ch])); - OldKey[3]+=((UWORD)(Ch+(CRCTab[Ch]>>16))); - Password++; - } -} - -void InitCRC(void) -{ - int I, J; - UDWORD C; - for (I=0;I<256;I++) - { - for (C=I,J=0;J<8;J++) - C=(C & 1) ? (C>>1)^0xEDB88320L : (C>>1); - CRCTab[I]=C; - } -} - - -UDWORD CalcCRC32(UDWORD StartCRC,UBYTE *Addr,UDWORD Size) -{ - unsigned int I; - for (I=0; I> 8); - return(StartCRC); -} - - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - - - - - - - - - - - - - - - - - - - - - - - - -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - **************************************************************************** - ******* ******* - ******* ******* - ******* ******* - ******* D E B U G F U N C T I O N S ******* - ******* ******* - ******* ******* - ******* ******* - **************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ -#ifdef _DEBUG_LOG - - -/* -- global stuff -------------------------------------------------------- */ -char log_file_name[256]; /* file name for the log file */ -DWORD debug_start_time; /* starttime of debug */ -BOOL debug_started = FALSE; /* debug_log writes only if */ - /* this is TRUE */ -/* ------------------------------------------------------------------------ */ - - -/* -- global functions ---------------------------------------------------- */ -void debug_init_proc(char *file_name) -/* Create/Rewrite a log file */ -{ - FILE *fp; - char date[] = __DATE__; - char time[] = __TIME__; - - debug_start_time = GetTickCount(); /* get start time */ - strcpy(log_file_name, file_name); /* save file name */ - - if((fp = fopen(log_file_name, CREATETEXT)) != NULL) - { - debug_started = TRUE; /* enable debug */ - fprintf(fp, "Debug log of UniquE's RARFileLib\n"\ - "~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~\n"); - fprintf(fp, "(executable compiled on %s at %s)\n\n", date, time); - fclose(fp); - } -} - - -void debug_log_proc(char *text, char *sourcefile, int sourceline) -/* add a line to the log file */ -{ - FILE *fp; - - if(debug_started == FALSE) return; /* exit if not initialized */ - - if((fp = fopen(log_file_name, APPENDTEXT)) != NULL) /* append to logfile */ - - { - fprintf(fp, " %8u ms (line %u in %s):\n - %s\n", - (unsigned int)(GetTickCount() - debug_start_time), - sourceline, sourcefile, text); - fclose(fp); - } -} - -/* ------------------------------------------------------------------------ */ -#endif -/* ************************************************************************** - **************************************************************************** - **************************************************************************** - ************************************************************************** */ - - -/* end of file urarlib.c */ diff --git a/unrarlib.h b/unrarlib.h deleted file mode 100644 index e4002c1b6d..0000000000 --- a/unrarlib.h +++ /dev/null @@ -1,204 +0,0 @@ -/* *************************************************************************** - ** - ** This file is part of the UniquE RAR File Library. - ** - ** Copyright (C) 2000-2002 by Christian Scheurer (www.ChristianScheurer.ch) - ** UNIX port copyright (c) 2000-2002 by Johannes Winkelmann (jw@tks6.net) - ** - ** Modified for use with MPlayer, detailed changelog at - ** http://svn.mplayerhq.hu/mplayer/trunk/ - ** $Id$ - ** - ** The contents of this file are subject to the UniquE RAR File Library - ** License (the "unrarlib-license.txt"). You may not use this file except - ** in compliance with the License. You may obtain a copy of the License - ** at http://www.unrarlib.org/license.html. - ** Software distributed under the License is distributed on an "AS IS" - ** basis, WITHOUT WARRANTY OF ANY KIND, either express or implied warranty. - ** - ** Alternatively, the contents of this file may be used under the terms - ** of the GNU General Public License Version 2 or later (the "GPL"), in - ** which case the provisions of the GPL are applicable instead of those - ** above. If you wish to allow use of your version of this file only - ** under the terms of the GPL and not to allow others to use your version - ** of this file under the terms of the UniquE RAR File Library License, - ** indicate your decision by deleting the provisions above and replace - ** them with the notice and other provisions required by the GPL. If you - ** do not delete the provisions above, a recipient may use your version - ** of this file under the terms of the GPL or the UniquE RAR File Library - ** License. - ** - ************************************************************************** */ - -/* include file for the "UniquE RAR File Library" */ -/* (C) 2000-2002 by Christian Scheurer aka. UniquE */ -/* multi-OS version (Win32, Linux and SUN) */ - -#ifndef URARLIB_H -#define URARLIB_H - -#ifdef __cplusplus -extern "C" -{ -#endif - - -/* ************************************************************************ */ -/* ************************************************************************ */ -/* ** ** */ -/* ** CONFIGURATION of the UniquE RAR FileLib ** */ -/* ** ==> you may change the setting for the lib HERE! ** */ -/* ** ** */ -/* ************************************************************************ */ -/* ************************************************************************ */ - - -/*#define _DEBUG_LOG*/ /* generate debug messages */ - -#define _DO_CRC32_CHECK /* perform cyclical redundancy */ - /* check (CRC32) - disable this */ - /* for a little speed-up */ -/*#define _USE_ASM*/ /* - * enable assembly extensions - * x86 cpus. - */ - -/*#define _USE_MEMORY_TO_MEMORY_DECOMPRESSION*/ /* read file from memory or a */ - /* resource instead of reading */ - /* from a file. NOTE: you won't */ - /* be able to decompress from */ - /* file if you enable this */ - /* option! */ - - -#ifdef WIN32 /* autodetect Win32 and Linux */ -#define _WIN_32 /* Win32 with VisualC */ -#define _DEBUG_LOG_FILE "C:\\temp\\debug_unrar.txt" /* log file path */ -#else -#define _UNIX /* Linux or Unix with GCC */ -#define _DEBUG_LOG_FILE "/tmp/debug_unrar.txt" /* log file path */ -/*#define NON_INTEL_BYTE_ORDER*/ /* GCC on motorola systems */ - -#endif - -/* ------------------------------------------------------------------------ */ - - - -/* -- global type definitions --------------------------------------------- */ - -#ifdef NON_INTEL_BYTE_ORDER -#ifdef _USE_ASM -#warning Disabling assembly because NON_INTEL_BYTE_ORDER is set -#undef _USE_ASM -#endif -#endif - -#ifdef _WIN_32 -typedef unsigned char UBYTE; /* WIN32 definitions */ -typedef unsigned short UWORD; -typedef unsigned long UDWORD; -#endif - -#ifdef _UNIX /* LINUX/UNIX definitions */ -typedef unsigned char UBYTE; -typedef unsigned short UWORD; -typedef unsigned long UDWORD; -#endif - - -/* This structure is used for listing archive content */ -struct RAR20_archive_entry /* These infos about files are */ -{ /* stored in RAR v2.0 archives */ - char *Name; - UWORD NameSize; - UDWORD PackSize; - UDWORD UnpSize; - UBYTE HostOS; /* MSDOS=0,OS2=1,WIN32=2,UNIX=3 */ - UDWORD FileCRC; - UDWORD FileTime; - UBYTE UnpVer; - UBYTE Method; - UDWORD FileAttr; -}; - -typedef struct archivelist /* used to list archives */ -{ - struct RAR20_archive_entry item; - struct archivelist *next; -} ArchiveList_struct; - - -#ifdef _USE_MEMORY_TO_MEMORY_DECOMPRESSION -typedef struct memory_file /* used to decompress files in */ -{ /* memory */ - void *data; /* pointer to the file data */ - unsigned long size; /* total size of the file data */ - unsigned long offset; /* offset within "memory-file" */ -} MemoryFile; -#endif - -/* -- global functions ---------------------------------------------------- */ - -/* urarlib_get: - * decompresses and decrypt data from a RAR file to a buffer in system memory. - * - * input: *output pointer to an empty char*. This pointer will show - * to the extracted data - * *size shows where to write the size of the decompressed - * file - * (**NOTE: URARLib _does_ memory allocation etc.!**) - * *filename pointer to string containing the file to decompress - * *rarfile pointer to a string with the full name and path of - * the RAR file or pointer to a RAR file in memory if - * memory-to-memory decompression is active. - * *libpassword pointer to a string with the password used to - * en-/decrypt the RAR - * output: int returns TRUE on success or FALSE on error - * (FALSE=0, TRUE=1) - */ - -extern int urarlib_get(void *output, - unsigned long *size, - char *filename, - void *rarfile, - char *libpassword); - - - -/* urarlib_list: - * list the content of a RAR archive. - * - * input: *rarfile pointer to a string with the full name and path of - * the RAR file or pointer to a RAR file in memory if - * memory-to-memory decompression is active. - * *list pointer to an ArchiveList_struct that can be - * filled with details about the archive - * to the extracted data - * output: int number of files/directories within archive - */ - -extern int urarlib_list(void *rarfile, ArchiveList_struct *list); - - -/* urarlib_freelist: - * (after the suggestion and code of Duy Nguyen, Sean O'Blarney - * and Johannes Winkelmann who independently wrote a patch) - * free the memory of a ArchiveList_struct created by urarlib_list. - * - * input: *list pointer to an ArchiveList_struct - * output: - - */ - -extern void urarlib_freelist(ArchiveList_struct *list); - -/* ------------------------------------------------------------------------ */ - - - -#ifdef __cplusplus -}; -#endif - -#endif /* URARLIB_H */ - diff --git a/vobsub.c b/vobsub.c index 754cfc0feb..95d87ebb80 100644 --- a/vobsub.c +++ b/vobsub.c @@ -22,8 +22,6 @@ #include "mp_msg.h" #ifdef USE_UNRAR_EXEC #include "unrar_exec.h" -#elif defined(USE_UNRARLIB) -#include "unrarlib.h" #endif #include "libavutil/common.h" @@ -35,9 +33,8 @@ static int vobsubid = -2; /********************************************************************** * RAR stream handling * The RAR file must have the same basename as the file to open - * See **********************************************************************/ -#if defined(USE_UNRARLIB) || defined(USE_UNRAR_EXEC) +#ifdef USE_UNRAR_EXEC typedef struct { FILE *file; unsigned char *data; @@ -90,27 +87,15 @@ rar_open(const char *const filename, const char *const mode) } else { p++; } -#ifdef USE_UNRAR_EXEC rc = unrar_exec_get(&stream->data, &stream->size, p, rar_filename); -#endif -#ifdef USE_UNRARLIB - if (!rc) - rc = urarlib_get(&stream->data, &stream->size, (char*) p, rar_filename, ""); -#endif if (!rc) { /* There is no matching filename in the archive. However, sometimes * the files we are looking for have been given arbitrary names in the archive. * Let's look for a file with an exact match in the extension only. */ int i, num_files = -1, name_len; ArchiveList_struct *list, *lp; -#ifdef USE_UNRARLIB - /* the cast in the next line is a hack to overcome a design flaw (IMHO) in unrarlib */ - num_files = urarlib_list (rar_filename, (ArchiveList_struct *)&list); -#endif -#ifdef USE_UNRAR_EXEC if (num_files <= 0) num_files = unrar_exec_list(rar_filename, &list); -#endif if (num_files > 0) { char *demanded_ext; demanded_ext = strrchr (p, '.'); @@ -119,24 +104,13 @@ rar_open(const char *const filename, const char *const mode) for (i=0, lp=list; inext) { name_len = strlen (lp->item.Name); if (name_len >= demanded_ext_len && !strcasecmp (lp->item.Name + name_len - demanded_ext_len, demanded_ext)) { -#ifdef USE_UNRAR_EXEC rc = unrar_exec_get(&stream->data, &stream->size, lp->item.Name, rar_filename); if (rc) break; -#endif -#ifdef USE_UNRARLIB - rc = urarlib_get(&stream->data, &stream->size, - lp->item.Name, rar_filename, ""); - if (rc) break; -#endif } } } -#ifdef USE_UNRARLIB - urarlib_freelist (list); -#else unrar_exec_freelist(list); -#endif } if (!rc) { free(rar_filename);