#define NOCRYPT

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include <time.h>

#include "zlib.h"

#include "zip.h"

#ifdef STDC

# include <stddef.h>

# include <string.h>

# include <stdlib.h>

#endif

#ifdef NO_ERRNO_H

extern int errno;

#else

# include <errno.h>

#endif

#ifndef local

# define local static

#endif

#ifndef VERSIONMADEBY

#ifdef _WIN32

#define VERSIONMADEBY (0x0)

#else

#define VERSIONMADEBY (0x031E)

#endif

#endif

#ifndef Z_BUFSIZE

#define Z_BUFSIZE (64*1024) //(16384)

#endif

#ifndef Z_MAXFILENAMEINZIP

#define Z_MAXFILENAMEINZIP (256)

#endif

#ifndef ALLOC

# define ALLOC(size) (malloc(size))

#endif

#ifndef TRYFREE

# define TRYFREE(p) {if (p) free(p);}

#endif

#define MAKEULONG64(a, b) ((ZPOS64_T)(((unsigned long)(a)) | ((ZPOS64_T)((unsigned long)(b))) << 32))

#ifndef SEEK_CUR

#define SEEK_CUR 1

#endif

#ifndef SEEK_END

#define SEEK_END 2

#endif

#ifndef SEEK_SET

#define SEEK_SET 0

#endif

#ifndef DEF_MEM_LEVEL

#if MAX_MEM_LEVEL >= 8

# define DEF_MEM_LEVEL 8

#else

# define DEF_MEM_LEVEL MAX_MEM_LEVEL

#endif

#endif

const char zip_copyright[] =" zip 1.01 Copyright 1998-2004 Gilles Vollant - http://www.winimage.com/zLibDll";

#define SIZEDATA_INDATABLOCK (4096-(4*4))

#define LOCALHEADERMAGIC (0x04034b50)

#define CENTRALHEADERMAGIC (0x02014b50)

#define ENDHEADERMAGIC (0x06054b50)

#define ZIP64ENDHEADERMAGIC (0x6064b50)

#define ZIP64ENDLOCHEADERMAGIC (0x7064b50)

#define FLAG_LOCALHEADER_OFFSET (0x06)

#define CRC_LOCALHEADER_OFFSET (0x0e)

#define SIZECENTRALHEADER (0x2e) /* 46 */

typedef struct linkedlist_datablock_internal_s

{

struct linkedlist_datablock_internal_s* next_datablock;

uLong avail_in_this_block;

uLong filled_in_this_block;

uLong unused; /* for future use and alignement */

unsigned char data[SIZEDATA_INDATABLOCK];

} linkedlist_datablock_internal;

typedef struct linkedlist_data_s

{

linkedlist_datablock_internal* first_block;

linkedlist_datablock_internal* last_block;

} linkedlist_data;

typedef struct

{

z_stream stream; /* zLib stream structure for inflate */

#ifdef HAVE_BZIP2

bz_stream bstream; /* bzLib stream structure for bziped */

#endif

int stream_initialised; /* 1 is stream is initialised */

uInt pos_in_buffered_data; /* last written byte in buffered_data */

ZPOS64_T pos_local_header; /* offset of the local header of the file

char* central_header; /* central header data for the current file */

uLong size_centralExtra;

uLong size_centralheader; /* size of the central header for cur file */

uLong size_centralExtraFree; /* Extra bytes allocated to the centralheader but that are not used */

uLong flag; /* flag of the file currently writing */

int method; /* compression method of file currenty wr.*/

int raw; /* 1 for directly writing raw data */

Byte buffered_data[Z_BUFSIZE];/* buffer contain compressed data to be writ*/

uLong dosDate;

uLong crc32;

int encrypt;

int zip64; /* Add ZIP64 extened information in the extra field */

ZPOS64_T pos_zip64extrainfo;

ZPOS64_T totalCompressedData;

ZPOS64_T totalUncompressedData;

#ifndef NOCRYPT

unsigned long keys[3]; /* keys defining the pseudo-random sequence */

const z_crc_t* pcrc_32_tab;

int crypt_header_size;

#endif

} curfile64_info;

typedef struct

{

zlib_filefunc64_32_def z_filefunc;

voidpf filestream; /* io structore of the zipfile */

linkedlist_data central_dir;/* datablock with central dir in construction*/

int in_opened_file_inzip; /* 1 if a file in the zip is currently writ.*/

curfile64_info ci; /* info on the file curretly writing */

ZPOS64_T begin_pos; /* position of the beginning of the zipfile */

ZPOS64_T add_position_when_writting_offset;

ZPOS64_T number_entry;

#ifndef NO_ADDFILEINEXISTINGZIP

char *globalcomment;

#endif

} zip64_internal;

#ifndef NOCRYPT

#define INCLUDECRYPTINGCODE_IFCRYPTALLOWED

#include "crypt.h"

#endif

local linkedlist_datablock_internal* allocate_new_datablock()

{

linkedlist_datablock_internal* ldi;

ldi = (linkedlist_datablock_internal*)

ALLOC(sizeof(linkedlist_datablock_internal));

if (ldi!=NULL)

{

ldi->next_datablock = NULL ;

ldi->filled_in_this_block = 0 ;

ldi->avail_in_this_block = SIZEDATA_INDATABLOCK ;

}

return ldi;

}

local void free_datablock(linkedlist_datablock_internal* ldi)

{

while (ldi!=NULL)

{

linkedlist_datablock_internal* ldinext = ldi->next_datablock;

TRYFREE(ldi);

ldi = ldinext;

}

}

local void init_linkedlist(linkedlist_data* ll)

{

ll->first_block = ll->last_block = NULL;

}

local void free_linkedlist(linkedlist_data* ll)

{

free_datablock(ll->first_block);

ll->first_block = ll->last_block = NULL;

}

local int add_data_in_datablock(linkedlist_data* ll, const void* buf, uLong len)

{

linkedlist_datablock_internal* ldi;

const unsigned char* from_copy;

if (ll==NULL)

return ZIP_INTERNALERROR;

if (ll->last_block == NULL)

{

ll->first_block = ll->last_block = allocate_new_datablock();

if (ll->first_block == NULL)

return ZIP_INTERNALERROR;

}

ldi = ll->last_block;

from_copy = (unsigned char*)buf;

while (len>0)

{

uInt copy_this;

uInt i;

unsigned char* to_copy;

if (ldi->avail_in_this_block==0)

{

ldi->next_datablock = allocate_new_datablock();

if (ldi->next_datablock == NULL)

return ZIP_INTERNALERROR;

ldi = ldi->next_datablock ;

ll->last_block = ldi;

}

if (ldi->avail_in_this_block < len)

copy_this = (uInt)ldi->avail_in_this_block;

else

copy_this = (uInt)len;

to_copy = &(ldi->data[ldi->filled_in_this_block]);

for (i=0;i<copy_this;i++)

*(to_copy+i)=*(from_copy+i);

ldi->filled_in_this_block += copy_this;

ldi->avail_in_this_block -= copy_this;

from_copy += copy_this ;

len -= copy_this;

}

return ZIP_OK;

}

#ifndef NO_ADDFILEINEXISTINGZIP

local int zip64local_putValue OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte));

local int zip64local_putValue (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T x, int nbByte)

{

unsigned char buf[8];

int n;

for (n = 0; n < nbByte; n++)

{

buf[n] = (unsigned char)(x & 0xff);

x >>= 8;

}

if (x != 0)

{ /* data overflow - hack for ZIP64 (X Roche) */

for (n = 0; n < nbByte; n++)

{

buf[n] = 0xff;

}

}

if (ZWRITE64(*pzlib_filefunc_def,filestream,buf,nbByte)!=(uLong)nbByte)

return ZIP_ERRNO;

else

return ZIP_OK;

}

local void zip64local_putValue_inmemory OF((void* dest, ZPOS64_T x, int nbByte));

local void zip64local_putValue_inmemory (void* dest, ZPOS64_T x, int nbByte)

{

unsigned char* buf=(unsigned char*)dest;

int n;

for (n = 0; n < nbByte; n++) {

buf[n] = (unsigned char)(x & 0xff);

x >>= 8;

}

if (x != 0)

{ /* data overflow - hack for ZIP64 */

for (n = 0; n < nbByte; n++)

{

buf[n] = 0xff;

}

}

}

local uLong zip64local_TmzDateToDosDate(const tm_zip* ptm)

{

uLong year = (uLong)ptm->tm_year;

if (year>=1980)

year-=1980;

else if (year>=80)

year-=80;

return

(uLong) (((ptm->tm_mday) + (32 * (ptm->tm_mon+1)) + (512 * year)) << 16) |

((ptm->tm_sec/2) + (32* ptm->tm_min) + (2048 * (uLong)ptm->tm_hour));

}

local int zip64local_getByte OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, int *pi));

local int zip64local_getByte(const zlib_filefunc64_32_def* pzlib_filefunc_def,voidpf filestream,int* pi)

{

unsigned char c;

int err = (int)ZREAD64(*pzlib_filefunc_def,filestream,&c,1);

if (err==1)

{

*pi = (int)c;

return ZIP_OK;

}

else

{

if (ZERROR64(*pzlib_filefunc_def,filestream))

return ZIP_ERRNO;

else

return ZIP_EOF;

}

}

local int zip64local_getShort OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX));

local int zip64local_getShort (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX)

{

uLong x ;

int i = 0;

int err;

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x = (uLong)i;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((uLong)i)<<8;

if (err==ZIP_OK)

*pX = x;

else

*pX = 0;

return err;

}

local int zip64local_getLong OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong *pX));

local int zip64local_getLong (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, uLong* pX)

{

uLong x ;

int i = 0;

int err;

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x = (uLong)i;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((uLong)i)<<8;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((uLong)i)<<16;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((uLong)i)<<24;

if (err==ZIP_OK)

*pX = x;

else

*pX = 0;

return err;

}

local int zip64local_getLong64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX));

local int zip64local_getLong64 (const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream, ZPOS64_T *pX)

{

ZPOS64_T x;

int i = 0;

int err;

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x = (ZPOS64_T)i;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<8;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<16;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<24;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<32;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<40;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<48;

if (err==ZIP_OK)

err = zip64local_getByte(pzlib_filefunc_def,filestream,&i);

x += ((ZPOS64_T)i)<<56;

if (err==ZIP_OK)

*pX = x;

else

*pX = 0;

return err;

}

#ifndef BUFREADCOMMENT

#define BUFREADCOMMENT (0x400)

#endif

local ZPOS64_T zip64local_SearchCentralDir OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream));

local ZPOS64_T zip64local_SearchCentralDir(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)

{

unsigned char* buf;

ZPOS64_T uSizeFile;

ZPOS64_T uBackRead;

ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */

ZPOS64_T uPosFound=0;

if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)

return 0;

uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream);

if (uMaxBack>uSizeFile)

uMaxBack = uSizeFile;

buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);

if (buf==NULL)

return 0;

uBackRead = 4;

while (uBackRead<uMaxBack)

{

uLong uReadSize;

ZPOS64_T uReadPos ;

int i;

if (uBackRead+BUFREADCOMMENT>uMaxBack)

uBackRead = uMaxBack;

else

uBackRead+=BUFREADCOMMENT;

uReadPos = uSizeFile-uBackRead ;

uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?

(BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos);

if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)

break;

if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)

break;

for (i=(int)uReadSize-3; (i--)>0;)

if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) &&

((*(buf+i+2))==0x05) && ((*(buf+i+3))==0x06))

{

uPosFound = uReadPos+i;

break;

}

if (uPosFound!=0)

break;

}

TRYFREE(buf);

return uPosFound;

}

local ZPOS64_T zip64local_SearchCentralDir64 OF((const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream));

local ZPOS64_T zip64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib_filefunc_def, voidpf filestream)

{

unsigned char* buf;

ZPOS64_T uSizeFile;

ZPOS64_T uBackRead;

ZPOS64_T uMaxBack=0xffff; /* maximum size of global comment */

ZPOS64_T uPosFound=0;

uLong uL;

ZPOS64_T relativeOffset;

if (ZSEEK64(*pzlib_filefunc_def,filestream,0,ZLIB_FILEFUNC_SEEK_END) != 0)

return 0;

uSizeFile = ZTELL64(*pzlib_filefunc_def,filestream);

if (uMaxBack>uSizeFile)

uMaxBack = uSizeFile;

buf = (unsigned char*)ALLOC(BUFREADCOMMENT+4);

if (buf==NULL)

return 0;

uBackRead = 4;

while (uBackRead<uMaxBack)

{

uLong uReadSize;

ZPOS64_T uReadPos;

int i;

if (uBackRead+BUFREADCOMMENT>uMaxBack)

uBackRead = uMaxBack;

else

uBackRead+=BUFREADCOMMENT;

uReadPos = uSizeFile-uBackRead ;

uReadSize = ((BUFREADCOMMENT+4) < (uSizeFile-uReadPos)) ?

(BUFREADCOMMENT+4) : (uLong)(uSizeFile-uReadPos);

if (ZSEEK64(*pzlib_filefunc_def,filestream,uReadPos,ZLIB_FILEFUNC_SEEK_SET)!=0)

break;

if (ZREAD64(*pzlib_filefunc_def,filestream,buf,uReadSize)!=uReadSize)

break;

for (i=(int)uReadSize-3; (i--)>0;)

{

// Signature "0x07064b50" Zip64 end of central directory locater

if (((*(buf+i))==0x50) && ((*(buf+i+1))==0x4b) && ((*(buf+i+2))==0x06) && ((*(buf+i+3))==0x07))

{

uPosFound = uReadPos+i;

break;

}

}

if (uPosFound!=0)

break;

}

TRYFREE(buf);

if (uPosFound == 0)

return 0;

/* Zip64 end of central directory locator */

if (ZSEEK64(*pzlib_filefunc_def,filestream, uPosFound,ZLIB_FILEFUNC_SEEK_SET)!=0)

return 0;

/* the signature, already checked */

if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK)

return 0;

/* number of the disk with the start of the zip64 end of central directory */

if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK)

return 0;

if (uL != 0)

return 0;

/* relative offset of the zip64 end of central directory record */

if (zip64local_getLong64(pzlib_filefunc_def,filestream,&relativeOffset)!=ZIP_OK)

return 0;

/* total number of disks */

if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK)

return 0;

if (uL != 1)

return 0;

/* Goto Zip64 end of central directory record */

if (ZSEEK64(*pzlib_filefunc_def,filestream, relativeOffset,ZLIB_FILEFUNC_SEEK_SET)!=0)

return 0;

/* the signature */

if (zip64local_getLong(pzlib_filefunc_def,filestream,&uL)!=ZIP_OK)

return 0;

if (uL != 0x06064b50) // signature of 'Zip64 end of central directory'

return 0;

return relativeOffset;

}

int LoadCentralDirectoryRecord(zip64_internal* pziinit)

{

int err=ZIP_OK;

ZPOS64_T byte_before_the_zipfile;/* byte before the zipfile, (>0 for sfx)*/

ZPOS64_T size_central_dir; /* size of the central directory */

ZPOS64_T offset_central_dir; /* offset of start of central directory */

ZPOS64_T central_pos;

uLong uL;

uLong number_disk; /* number of the current dist, used for

uLong number_disk_with_CD; /* number the the disk with central dir, used

ZPOS64_T number_entry;

ZPOS64_T number_entry_CD; /* total number of entries in

uLong VersionMadeBy;

uLong VersionNeeded;

uLong size_comment;

int hasZIP64Record = 0;

// check first if we find a ZIP64 record

central_pos = zip64local_SearchCentralDir64(&pziinit->z_filefunc,pziinit->filestream);

if(central_pos > 0)

{

hasZIP64Record = 1;

}

else if(central_pos == 0)

{

central_pos = zip64local_SearchCentralDir(&pziinit->z_filefunc,pziinit->filestream);

}

if(hasZIP64Record)

{

ZPOS64_T sizeEndOfCentralDirectory;

if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos, ZLIB_FILEFUNC_SEEK_SET) != 0)

err=ZIP_ERRNO;

/* the signature, already checked */

if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK)

err=ZIP_ERRNO;

/* size of zip64 end of central directory record */

if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &sizeEndOfCentralDirectory)!=ZIP_OK)

err=ZIP_ERRNO;

/* version made by */

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionMadeBy)!=ZIP_OK)

err=ZIP_ERRNO;

/* version needed to extract */

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &VersionNeeded)!=ZIP_OK)

err=ZIP_ERRNO;

/* number of this disk */

if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK)

err=ZIP_ERRNO;

/* number of the disk with the start of the central directory */

if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK)

err=ZIP_ERRNO;

/* total number of entries in the central directory on this disk */

if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream, &number_entry)!=ZIP_OK)

err=ZIP_ERRNO;

/* total number of entries in the central directory */

if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&number_entry_CD)!=ZIP_OK)

err=ZIP_ERRNO;

if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0))

err=ZIP_BADZIPFILE;

/* size of the central directory */

if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&size_central_dir)!=ZIP_OK)

err=ZIP_ERRNO;

/* offset of start of central directory with respect to the

if (zip64local_getLong64(&pziinit->z_filefunc, pziinit->filestream,&offset_central_dir)!=ZIP_OK)

err=ZIP_ERRNO;

// TODO..

// read the comment from the standard central header.

size_comment = 0;

}

else

{

// Read End of central Directory info

if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, central_pos,ZLIB_FILEFUNC_SEEK_SET)!=0)

err=ZIP_ERRNO;

/* the signature, already checked */

if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream,&uL)!=ZIP_OK)

err=ZIP_ERRNO;

/* number of this disk */

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk)!=ZIP_OK)

err=ZIP_ERRNO;

/* number of the disk with the start of the central directory */

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream,&number_disk_with_CD)!=ZIP_OK)

err=ZIP_ERRNO;

/* total number of entries in the central dir on this disk */

number_entry = 0;

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK)

err=ZIP_ERRNO;

else

number_entry = uL;

/* total number of entries in the central dir */

number_entry_CD = 0;

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK)

err=ZIP_ERRNO;

else

number_entry_CD = uL;

if ((number_entry_CD!=number_entry) || (number_disk_with_CD!=0) || (number_disk!=0))

err=ZIP_BADZIPFILE;

/* size of the central directory */

size_central_dir = 0;

if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK)

err=ZIP_ERRNO;

else

size_central_dir = uL;

/* offset of start of central directory with respect to the starting disk number */

offset_central_dir = 0;

if (zip64local_getLong(&pziinit->z_filefunc, pziinit->filestream, &uL)!=ZIP_OK)

err=ZIP_ERRNO;

else

offset_central_dir = uL;

/* zipfile global comment length */

if (zip64local_getShort(&pziinit->z_filefunc, pziinit->filestream, &size_comment)!=ZIP_OK)

err=ZIP_ERRNO;

}

if ((central_pos<offset_central_dir+size_central_dir) &&

(err==ZIP_OK))

err=ZIP_BADZIPFILE;

if (err!=ZIP_OK)

{

ZCLOSE64(pziinit->z_filefunc, pziinit->filestream);

return ZIP_ERRNO;

}

if (size_comment>0)

{

pziinit->globalcomment = (char*)ALLOC(size_comment+1);

if (pziinit->globalcomment)

{

size_comment = ZREAD64(pziinit->z_filefunc, pziinit->filestream, pziinit->globalcomment,size_comment);

pziinit->globalcomment[size_comment]=0;

}

}

byte_before_the_zipfile = central_pos - (offset_central_dir+size_central_dir);

pziinit->add_position_when_writting_offset = byte_before_the_zipfile;

{

ZPOS64_T size_central_dir_to_read = size_central_dir;

size_t buf_size = SIZEDATA_INDATABLOCK;

void* buf_read = (void*)ALLOC(buf_size);

if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir + byte_before_the_zipfile, ZLIB_FILEFUNC_SEEK_SET) != 0)

err=ZIP_ERRNO;

while ((size_central_dir_to_read>0) && (err==ZIP_OK))

{

ZPOS64_T read_this = SIZEDATA_INDATABLOCK;

if (read_this > size_central_dir_to_read)

read_this = size_central_dir_to_read;

if (ZREAD64(pziinit->z_filefunc, pziinit->filestream,buf_read,(uLong)read_this) != read_this)

err=ZIP_ERRNO;

if (err==ZIP_OK)

err = add_data_in_datablock(&pziinit->central_dir,buf_read, (uLong)read_this);

size_central_dir_to_read-=read_this;

}

TRYFREE(buf_read);

}

pziinit->begin_pos = byte_before_the_zipfile;

pziinit->number_entry = number_entry_CD;

if (ZSEEK64(pziinit->z_filefunc, pziinit->filestream, offset_central_dir+byte_before_the_zipfile,ZLIB_FILEFUNC_SEEK_SET) != 0)

err=ZIP_ERRNO;

return err;

}

#endif /* !NO_ADDFILEINEXISTINGZIP*/

extern zipFile ZEXPORT zipOpen3 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_32_def* pzlib_filefunc64_32_def)

{

zip64_internal ziinit;

zip64_internal* zi;

int err=ZIP_OK;

ziinit.z_filefunc.zseek32_file = NULL;

ziinit.z_filefunc.ztell32_file = NULL;

if (pzlib_filefunc64_32_def==NULL)

fill_fopen64_filefunc(&ziinit.z_filefunc.zfile_func64);

else

ziinit.z_filefunc = *pzlib_filefunc64_32_def;

ziinit.filestream = ZOPEN64(ziinit.z_filefunc,

pathname,

(append == APPEND_STATUS_CREATE) ?

(ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_CREATE) :

(ZLIB_FILEFUNC_MODE_READ | ZLIB_FILEFUNC_MODE_WRITE | ZLIB_FILEFUNC_MODE_EXISTING));

if (ziinit.filestream == NULL)

return NULL;

if (append == APPEND_STATUS_CREATEAFTER)

ZSEEK64(ziinit.z_filefunc,ziinit.filestream,0,SEEK_END);

ziinit.begin_pos = ZTELL64(ziinit.z_filefunc,ziinit.filestream);

ziinit.in_opened_file_inzip = 0;

ziinit.ci.stream_initialised = 0;

ziinit.number_entry = 0;

ziinit.add_position_when_writting_offset = 0;

init_linkedlist(&(ziinit.central_dir));

zi = (zip64_internal*)ALLOC(sizeof(zip64_internal));

if (zi==NULL)

{

ZCLOSE64(ziinit.z_filefunc,ziinit.filestream);

return NULL;

}

/* now we add file in a zipfile */

# ifndef NO_ADDFILEINEXISTINGZIP

ziinit.globalcomment = NULL;

if (append == APPEND_STATUS_ADDINZIP)

{

// Read and Cache Central Directory Records

err = LoadCentralDirectoryRecord(&ziinit);

}

if (globalcomment)

{

*globalcomment = ziinit.globalcomment;

}

# endif /* !NO_ADDFILEINEXISTINGZIP*/

if (err != ZIP_OK)

{

# ifndef NO_ADDFILEINEXISTINGZIP

TRYFREE(ziinit.globalcomment);

# endif /* !NO_ADDFILEINEXISTINGZIP*/

TRYFREE(zi);

return NULL;

}

else

{

*zi = ziinit;

return (zipFile)zi;

}

}

extern zipFile ZEXPORT zipOpen2 (const char *pathname, int append, zipcharpc* globalcomment, zlib_filefunc_def* pzlib_filefunc32_def)

{

if (pzlib_filefunc32_def != NULL)

{

zlib_filefunc64_32_def zlib_filefunc64_32_def_fill;

fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill,pzlib_filefunc32_def);

return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill);

}

else

return zipOpen3(pathname, append, globalcomment, NULL);

}

extern zipFile ZEXPORT zipOpen2_64 (const void *pathname, int append, zipcharpc* globalcomment, zlib_filefunc64_def* pzlib_filefunc_def)

{

if (pzlib_filefunc_def != NULL)

{

zlib_filefunc64_32_def zlib_filefunc64_32_def_fill;

zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def;

zlib_filefunc64_32_def_fill.ztell32_file = NULL;

zlib_filefunc64_32_def_fill.zseek32_file = NULL;

return zipOpen3(pathname, append, globalcomment, &zlib_filefunc64_32_def_fill);

}

else

return zipOpen3(pathname, append, globalcomment, NULL);

}

extern zipFile ZEXPORT zipOpen (const char* pathname, int append)

{

return zipOpen3((const void*)pathname,append,NULL,NULL);

}

extern zipFile ZEXPORT zipOpen64 (const void* pathname, int append)

{

return zipOpen3(pathname,append,NULL,NULL);

}

int Write_LocalFileHeader(zip64_internal* zi, const char* filename, uInt size_extrafield_local, const void* extrafield_local)

{

/* write the local header */

int err;

uInt size_filename = (uInt)strlen(filename);

uInt size_extrafield = size_extrafield_local;

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)LOCALHEADERMAGIC, 4);

if (err==ZIP_OK)

{

if(zi->ci.zip64)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2);/* version needed to extract */

else

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)20,2);/* version needed to extract */

}

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.flag,2);

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.method,2);

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->ci.dosDate,4);

// CRC / Compressed size / Uncompressed size will be filled in later and rewritten later

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* crc 32, unknown */

if (err==ZIP_OK)

{

if(zi->ci.zip64)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* compressed size, unknown */

else

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* compressed size, unknown */

}

if (err==ZIP_OK)

{

if(zi->ci.zip64)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xFFFFFFFF,4); /* uncompressed size, unknown */

else

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4); /* uncompressed size, unknown */

}

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_filename,2);

if(zi->ci.zip64)

{

size_extrafield += 20;

}

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_extrafield,2);

if ((err==ZIP_OK) && (size_filename > 0))

{

if (ZWRITE64(zi->z_filefunc,zi->filestream,filename,size_filename)!=size_filename)

err = ZIP_ERRNO;

}

if ((err==ZIP_OK) && (size_extrafield_local > 0))

{

if (ZWRITE64(zi->z_filefunc, zi->filestream, extrafield_local, size_extrafield_local) != size_extrafield_local)

err = ZIP_ERRNO;

}

if ((err==ZIP_OK) && (zi->ci.zip64))

{

// write the Zip64 extended info

short HeaderID = 1;

short DataSize = 16;

ZPOS64_T CompressedSize = 0;

ZPOS64_T UncompressedSize = 0;

// Remember position of Zip64 extended info for the local file header. (needed when we update size after done with file)

zi->ci.pos_zip64extrainfo = ZTELL64(zi->z_filefunc,zi->filestream);

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)HeaderID,2);

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (short)DataSize,2);

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)UncompressedSize,8);

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, (ZPOS64_T)CompressedSize,8);

}

return err;

}

extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void* extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int raw,

int windowBits,int memLevel, int strategy,

const char* password, uLong crcForCrypting,

uLong versionMadeBy, uLong flagBase, int zip64)

{

zip64_internal* zi;

uInt size_filename;

uInt size_comment;

uInt i;

int err = ZIP_OK;

# ifdef NOCRYPT

/*(crcForCrypting);*/

if (password != NULL)

return ZIP_PARAMERROR;

# endif

if (file == NULL)

return ZIP_PARAMERROR;

#ifdef HAVE_BZIP2

if ((method!=0) && (method!=Z_DEFLATED) && (method!=Z_BZIP2ED))

return ZIP_PARAMERROR;

#else

if ((method!=0) && (method!=Z_DEFLATED))

return ZIP_PARAMERROR;

#endif

zi = (zip64_internal*)file;

if (zi->in_opened_file_inzip == 1)

{

err = zipCloseFileInZip (file);

if (err != ZIP_OK)

return err;

}

if (filename==NULL)

filename="-";

if (comment==NULL)

size_comment = 0;

else

size_comment = (uInt)strlen(comment);

size_filename = (uInt)strlen(filename);

if (zipfi == NULL)

zi->ci.dosDate = 0;

else

{

if (zipfi->dosDate != 0)

zi->ci.dosDate = zipfi->dosDate;

else

zi->ci.dosDate = zip64local_TmzDateToDosDate(&zipfi->tmz_date);

}

zi->ci.flag = flagBase;

if ((level==8) || (level==9))

zi->ci.flag |= 2;

if (level==2)

zi->ci.flag |= 4;

if (level==1)

zi->ci.flag |= 6;

if (password != NULL)

zi->ci.flag |= 1;

zi->ci.crc32 = 0;

zi->ci.method = method;

zi->ci.encrypt = 0;

zi->ci.stream_initialised = 0;

zi->ci.pos_in_buffered_data = 0;

zi->ci.raw = raw;

zi->ci.pos_local_header = ZTELL64(zi->z_filefunc,zi->filestream);

zi->ci.size_centralheader = SIZECENTRALHEADER + size_filename + size_extrafield_global + size_comment;

zi->ci.size_centralExtraFree = 32; // Extra space we have reserved in case we need to add ZIP64 extra info data

zi->ci.central_header = (char*)ALLOC((uInt)zi->ci.size_centralheader + zi->ci.size_centralExtraFree);

zi->ci.size_centralExtra = size_extrafield_global;

zip64local_putValue_inmemory(zi->ci.central_header,(uLong)CENTRALHEADERMAGIC,4);

/* version info */

zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)versionMadeBy,2);

zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)20,2);

zip64local_putValue_inmemory(zi->ci.central_header+8,(uLong)zi->ci.flag,2);

zip64local_putValue_inmemory(zi->ci.central_header+10,(uLong)zi->ci.method,2);

zip64local_putValue_inmemory(zi->ci.central_header+12,(uLong)zi->ci.dosDate,4);

zip64local_putValue_inmemory(zi->ci.central_header+16,(uLong)0,4); /*crc*/

zip64local_putValue_inmemory(zi->ci.central_header+20,(uLong)0,4); /*compr size*/

zip64local_putValue_inmemory(zi->ci.central_header+24,(uLong)0,4); /*uncompr size*/

zip64local_putValue_inmemory(zi->ci.central_header+28,(uLong)size_filename,2);

zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)size_extrafield_global,2);

zip64local_putValue_inmemory(zi->ci.central_header+32,(uLong)size_comment,2);

zip64local_putValue_inmemory(zi->ci.central_header+34,(uLong)0,2); /*disk nm start*/

if (zipfi==NULL)

zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)0,2);

else

zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)zipfi->internal_fa,2);

if (zipfi==NULL)

zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)0,4);

else

zip64local_putValue_inmemory(zi->ci.central_header+38,(uLong)zipfi->external_fa,4);

if(zi->ci.pos_local_header >= 0xffffffff)

zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)0xffffffff,4);

else

zip64local_putValue_inmemory(zi->ci.central_header+42,(uLong)zi->ci.pos_local_header - zi->add_position_when_writting_offset,4);

for (i=0;i<size_filename;i++)

*(zi->ci.central_header+SIZECENTRALHEADER+i) = *(filename+i);

for (i=0;i<size_extrafield_global;i++)

*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+i) =

*(((const char*)extrafield_global)+i);

for (i=0;i<size_comment;i++)

*(zi->ci.central_header+SIZECENTRALHEADER+size_filename+

size_extrafield_global+i) = *(comment+i);

if (zi->ci.central_header == NULL)

return ZIP_INTERNALERROR;

zi->ci.zip64 = zip64;

zi->ci.totalCompressedData = 0;

zi->ci.totalUncompressedData = 0;

zi->ci.pos_zip64extrainfo = 0;

err = Write_LocalFileHeader(zi, filename, size_extrafield_local, extrafield_local);

#ifdef HAVE_BZIP2

zi->ci.bstream.avail_in = (uInt)0;

zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE;

zi->ci.bstream.next_out = (char*)zi->ci.buffered_data;

zi->ci.bstream.total_in_hi32 = 0;

zi->ci.bstream.total_in_lo32 = 0;

zi->ci.bstream.total_out_hi32 = 0;

zi->ci.bstream.total_out_lo32 = 0;

#endif

zi->ci.stream.avail_in = (uInt)0;

zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;

zi->ci.stream.next_out = zi->ci.buffered_data;

zi->ci.stream.total_in = 0;

zi->ci.stream.total_out = 0;

zi->ci.stream.data_type = Z_BINARY;

#ifdef HAVE_BZIP2

if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED || zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw))

#else

if ((err==ZIP_OK) && (zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))

#endif

{

if(zi->ci.method == Z_DEFLATED)

{

zi->ci.stream.zalloc = (alloc_func)0;

zi->ci.stream.zfree = (free_func)0;

zi->ci.stream.opaque = (voidpf)0;

if (windowBits>0)

windowBits = -windowBits;

err = deflateInit2(&zi->ci.stream, level, Z_DEFLATED, windowBits, memLevel, strategy);

if (err==Z_OK)

zi->ci.stream_initialised = Z_DEFLATED;

}

else if(zi->ci.method == Z_BZIP2ED)

{

#ifdef HAVE_BZIP2

// Init BZip stuff here

zi->ci.bstream.bzalloc = 0;

zi->ci.bstream.bzfree = 0;

zi->ci.bstream.opaque = (voidpf)0;

err = BZ2_bzCompressInit(&zi->ci.bstream, level, 0,35);

if(err == BZ_OK)

zi->ci.stream_initialised = Z_BZIP2ED;

#endif

}

}

# ifndef NOCRYPT

zi->ci.crypt_header_size = 0;

if ((err==Z_OK) && (password != NULL))

{

unsigned char bufHead[RAND_HEAD_LEN];

unsigned int sizeHead;

zi->ci.encrypt = 1;

zi->ci.pcrc_32_tab = get_crc_table();

/*init_keys(password,zi->ci.keys,zi->ci.pcrc_32_tab);*/

sizeHead=crypthead(password,bufHead,RAND_HEAD_LEN,zi->ci.keys,zi->ci.pcrc_32_tab,crcForCrypting);

zi->ci.crypt_header_size = sizeHead;

if (ZWRITE64(zi->z_filefunc,zi->filestream,bufHead,sizeHead) != sizeHead)

err = ZIP_ERRNO;

}

# endif

if (err==Z_OK)

zi->in_opened_file_inzip = 1;

return err;

}

extern int ZEXPORT zipOpenNewFileInZip4 (zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void* extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int raw,

int windowBits,int memLevel, int strategy,

const char* password, uLong crcForCrypting,

uLong versionMadeBy, uLong flagBase)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, raw,

windowBits, memLevel, strategy,

password, crcForCrypting, versionMadeBy, flagBase, 0);

}

extern int ZEXPORT zipOpenNewFileInZip3 (zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void* extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int raw,

int windowBits,int memLevel, int strategy,

const char* password, uLong crcForCrypting)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, raw,

windowBits, memLevel, strategy,

password, crcForCrypting, VERSIONMADEBY, 0, 0);

}

extern int ZEXPORT zipOpenNewFileInZip3_64(zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void* extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int raw,

int windowBits,int memLevel, int strategy,

const char* password, uLong crcForCrypting, int zip64)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, raw,

windowBits, memLevel, strategy,

password, crcForCrypting, VERSIONMADEBY, 0, zip64);

}

extern int ZEXPORT zipOpenNewFileInZip2(zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void* extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int raw)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, raw,

-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,

NULL, 0, VERSIONMADEBY, 0, 0);

}

extern int ZEXPORT zipOpenNewFileInZip2_64(zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void* extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int raw, int zip64)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, raw,

-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,

NULL, 0, VERSIONMADEBY, 0, zip64);

}

extern int ZEXPORT zipOpenNewFileInZip64 (zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void*extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level, int zip64)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, 0,

-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,

NULL, 0, VERSIONMADEBY, 0, zip64);

}

extern int ZEXPORT zipOpenNewFileInZip (zipFile file, const char* filename, const zip_fileinfo* zipfi,

const void* extrafield_local, uInt size_extrafield_local,

const void*extrafield_global, uInt size_extrafield_global,

const char* comment, int method, int level)

{

return zipOpenNewFileInZip4_64 (file, filename, zipfi,

extrafield_local, size_extrafield_local,

extrafield_global, size_extrafield_global,

comment, method, level, 0,

-MAX_WBITS, DEF_MEM_LEVEL, Z_DEFAULT_STRATEGY,

NULL, 0, VERSIONMADEBY, 0, 0);

}

local int zip64FlushWriteBuffer(zip64_internal* zi)

{

int err=ZIP_OK;

if (zi->ci.encrypt != 0)

{

#ifndef NOCRYPT

uInt i;

int t;

for (i=0;i<zi->ci.pos_in_buffered_data;i++)

zi->ci.buffered_data[i] = zencode(zi->ci.keys, zi->ci.pcrc_32_tab, zi->ci.buffered_data[i],t);

#endif

}

if (ZWRITE64(zi->z_filefunc,zi->filestream,zi->ci.buffered_data,zi->ci.pos_in_buffered_data) != zi->ci.pos_in_buffered_data)

err = ZIP_ERRNO;

zi->ci.totalCompressedData += zi->ci.pos_in_buffered_data;

#ifdef HAVE_BZIP2

if(zi->ci.method == Z_BZIP2ED)

{

zi->ci.totalUncompressedData += zi->ci.bstream.total_in_lo32;

zi->ci.bstream.total_in_lo32 = 0;

zi->ci.bstream.total_in_hi32 = 0;

}

else

#endif

{

zi->ci.totalUncompressedData += zi->ci.stream.total_in;

zi->ci.stream.total_in = 0;

}

zi->ci.pos_in_buffered_data = 0;

return err;

}

extern int ZEXPORT zipWriteInFileInZip (zipFile file,const void* buf,unsigned int len)

{

zip64_internal* zi;

int err=ZIP_OK;

if (file == NULL)

return ZIP_PARAMERROR;

zi = (zip64_internal*)file;

if (zi->in_opened_file_inzip == 0)

return ZIP_PARAMERROR;

zi->ci.crc32 = crc32(zi->ci.crc32,buf,(uInt)len);

#ifdef HAVE_BZIP2

if(zi->ci.method == Z_BZIP2ED && (!zi->ci.raw))

{

zi->ci.bstream.next_in = (void*)buf;

zi->ci.bstream.avail_in = len;

err = BZ_RUN_OK;

while ((err==BZ_RUN_OK) && (zi->ci.bstream.avail_in>0))

{

if (zi->ci.bstream.avail_out == 0)

{

if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO)

err = ZIP_ERRNO;

zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE;

zi->ci.bstream.next_out = (char*)zi->ci.buffered_data;

}

if(err != BZ_RUN_OK)

break;

if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw))

{

uLong uTotalOutBefore_lo = zi->ci.bstream.total_out_lo32;

err=BZ2_bzCompress(&zi->ci.bstream, BZ_RUN);

zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore_lo) ;

}

}

if(err == BZ_RUN_OK)

err = ZIP_OK;

}

else

#endif

{

zi->ci.stream.next_in = (Bytef*)buf;

zi->ci.stream.avail_in = len;

while ((err==ZIP_OK) && (zi->ci.stream.avail_in>0))

{

if (zi->ci.stream.avail_out == 0)

{

if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO)

err = ZIP_ERRNO;

zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;

zi->ci.stream.next_out = zi->ci.buffered_data;

}

if(err != ZIP_OK)

break;

if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))

{

uLong uTotalOutBefore = zi->ci.stream.total_out;

err=deflate(&zi->ci.stream, Z_NO_FLUSH);

if(uTotalOutBefore > zi->ci.stream.total_out)

{

int bBreak = 0;

bBreak++;

}

zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;

}

else

{

uInt copy_this,i;

if (zi->ci.stream.avail_in < zi->ci.stream.avail_out)

copy_this = zi->ci.stream.avail_in;

else

copy_this = zi->ci.stream.avail_out;

for (i = 0; i < copy_this; i++)

*(((char*)zi->ci.stream.next_out)+i) =

*(((const char*)zi->ci.stream.next_in)+i);

{

zi->ci.stream.avail_in -= copy_this;

zi->ci.stream.avail_out-= copy_this;

zi->ci.stream.next_in+= copy_this;

zi->ci.stream.next_out+= copy_this;

zi->ci.stream.total_in+= copy_this;

zi->ci.stream.total_out+= copy_this;

zi->ci.pos_in_buffered_data += copy_this;

}

}

}// while(...)

}

return err;

}

extern int ZEXPORT zipCloseFileInZipRaw (zipFile file, uLong uncompressed_size, uLong crc32)

{

return zipCloseFileInZipRaw64 (file, uncompressed_size, crc32);

}

extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_size, uLong crc32)

{

zip64_internal* zi;

ZPOS64_T compressed_size;

uLong invalidValue = 0xffffffff;

short datasize = 0;

int err=ZIP_OK;

if (file == NULL)

return ZIP_PARAMERROR;

zi = (zip64_internal*)file;

if (zi->in_opened_file_inzip == 0)

return ZIP_PARAMERROR;

zi->ci.stream.avail_in = 0;

if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))

{

while (err==ZIP_OK)

{

uLong uTotalOutBefore;

if (zi->ci.stream.avail_out == 0)

{

if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO)

err = ZIP_ERRNO;

zi->ci.stream.avail_out = (uInt)Z_BUFSIZE;

zi->ci.stream.next_out = zi->ci.buffered_data;

}

uTotalOutBefore = zi->ci.stream.total_out;

err=deflate(&zi->ci.stream, Z_FINISH);

zi->ci.pos_in_buffered_data += (uInt)(zi->ci.stream.total_out - uTotalOutBefore) ;

}

}

else if ((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw))

{

#ifdef HAVE_BZIP2

err = BZ_FINISH_OK;

while (err==BZ_FINISH_OK)

{

uLong uTotalOutBefore;

if (zi->ci.bstream.avail_out == 0)

{

if (zip64FlushWriteBuffer(zi) == ZIP_ERRNO)

err = ZIP_ERRNO;

zi->ci.bstream.avail_out = (uInt)Z_BUFSIZE;

zi->ci.bstream.next_out = (char*)zi->ci.buffered_data;

}

uTotalOutBefore = zi->ci.bstream.total_out_lo32;

err=BZ2_bzCompress(&zi->ci.bstream, BZ_FINISH);

if(err == BZ_STREAM_END)

err = Z_STREAM_END;

zi->ci.pos_in_buffered_data += (uInt)(zi->ci.bstream.total_out_lo32 - uTotalOutBefore);

}

if(err == BZ_FINISH_OK)

err = ZIP_OK;

#endif

}

if (err==Z_STREAM_END)

err=ZIP_OK; /* this is normal */

if ((zi->ci.pos_in_buffered_data>0) && (err==ZIP_OK))

{

if (zip64FlushWriteBuffer(zi)==ZIP_ERRNO)

err = ZIP_ERRNO;

}

if ((zi->ci.method == Z_DEFLATED) && (!zi->ci.raw))

{

int tmp_err = deflateEnd(&zi->ci.stream);

if (err == ZIP_OK)

err = tmp_err;

zi->ci.stream_initialised = 0;

}

#ifdef HAVE_BZIP2

else if((zi->ci.method == Z_BZIP2ED) && (!zi->ci.raw))

{

int tmperr = BZ2_bzCompressEnd(&zi->ci.bstream);

if (err==ZIP_OK)

err = tmperr;

zi->ci.stream_initialised = 0;

}

#endif

if (!zi->ci.raw)

{

crc32 = (uLong)zi->ci.crc32;

uncompressed_size = zi->ci.totalUncompressedData;

}

compressed_size = zi->ci.totalCompressedData;

# ifndef NOCRYPT

compressed_size += zi->ci.crypt_header_size;

# endif

// update Current Item crc and sizes,

if(compressed_size >= 0xffffffff || uncompressed_size >= 0xffffffff || zi->ci.pos_local_header >= 0xffffffff)

{

/*version Made by*/

zip64local_putValue_inmemory(zi->ci.central_header+4,(uLong)45,2);

/*version needed*/

zip64local_putValue_inmemory(zi->ci.central_header+6,(uLong)45,2);

}

zip64local_putValue_inmemory(zi->ci.central_header+16,crc32,4); /*crc*/

if(compressed_size >= 0xffffffff)

zip64local_putValue_inmemory(zi->ci.central_header+20, invalidValue,4); /*compr size*/

else

zip64local_putValue_inmemory(zi->ci.central_header+20, compressed_size,4); /*compr size*/

/// set internal file attributes field

if (zi->ci.stream.data_type == Z_ASCII)

zip64local_putValue_inmemory(zi->ci.central_header+36,(uLong)Z_ASCII,2);

if(uncompressed_size >= 0xffffffff)

zip64local_putValue_inmemory(zi->ci.central_header+24, invalidValue,4); /*uncompr size*/

else

zip64local_putValue_inmemory(zi->ci.central_header+24, uncompressed_size,4); /*uncompr size*/

// Add ZIP64 extra info field for uncompressed size

if(uncompressed_size >= 0xffffffff)

datasize += 8;

// Add ZIP64 extra info field for compressed size

if(compressed_size >= 0xffffffff)

datasize += 8;

// Add ZIP64 extra info field for relative offset to local file header of current file

if(zi->ci.pos_local_header >= 0xffffffff)

datasize += 8;

if(datasize > 0)

{

char* p = NULL;

if((uLong)(datasize + 4) > zi->ci.size_centralExtraFree)

{

// we can not write more data to the buffer that we have room for.

return ZIP_BADZIPFILE;

}

p = zi->ci.central_header + zi->ci.size_centralheader;

// Add Extra Information Header for 'ZIP64 information'

zip64local_putValue_inmemory(p, 0x0001, 2); // HeaderID

p += 2;

zip64local_putValue_inmemory(p, datasize, 2); // DataSize

p += 2;

if(uncompressed_size >= 0xffffffff)

{

zip64local_putValue_inmemory(p, uncompressed_size, 8);

p += 8;

}

if(compressed_size >= 0xffffffff)

{

zip64local_putValue_inmemory(p, compressed_size, 8);

p += 8;

}

if(zi->ci.pos_local_header >= 0xffffffff)

{

zip64local_putValue_inmemory(p, zi->ci.pos_local_header, 8);

p += 8;

}

// Update how much extra free space we got in the memory buffer

// and increase the centralheader size so the new ZIP64 fields are included

// ( 4 below is the size of HeaderID and DataSize field )

zi->ci.size_centralExtraFree -= datasize + 4;

zi->ci.size_centralheader += datasize + 4;

// Update the extra info size field

zi->ci.size_centralExtra += datasize + 4;

zip64local_putValue_inmemory(zi->ci.central_header+30,(uLong)zi->ci.size_centralExtra,2);

}

if (err==ZIP_OK)

err = add_data_in_datablock(&zi->central_dir, zi->ci.central_header, (uLong)zi->ci.size_centralheader);

free(zi->ci.central_header);

if (err==ZIP_OK)

{

// Update the LocalFileHeader with the new values.

ZPOS64_T cur_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream);

if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_local_header + 14,ZLIB_FILEFUNC_SEEK_SET)!=0)

err = ZIP_ERRNO;

if (err==ZIP_OK)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */

if(uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff )

{

if(zi->ci.pos_zip64extrainfo > 0)

{

// Update the size in the ZIP64 extended field.

if (ZSEEK64(zi->z_filefunc,zi->filestream, zi->ci.pos_zip64extrainfo + 4,ZLIB_FILEFUNC_SEEK_SET)!=0)

err = ZIP_ERRNO;

if (err==ZIP_OK) /* compressed size, unknown */

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, uncompressed_size, 8);

if (err==ZIP_OK) /* uncompressed size, unknown */

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8);

}

else

err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal

}

else

{

if (err==ZIP_OK) /* compressed size, unknown */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,compressed_size,4);

if (err==ZIP_OK) /* uncompressed size, unknown */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,uncompressed_size,4);

}

if (ZSEEK64(zi->z_filefunc,zi->filestream, cur_pos_inzip,ZLIB_FILEFUNC_SEEK_SET)!=0)

err = ZIP_ERRNO;

}

zi->number_entry ++;

zi->in_opened_file_inzip = 0;

return err;

}

extern int ZEXPORT zipCloseFileInZip (zipFile file)

{

return zipCloseFileInZipRaw (file,0,0);

}

int Write_Zip64EndOfCentralDirectoryLocator(zip64_internal* zi, ZPOS64_T zip64eocd_pos_inzip)

{

int err = ZIP_OK;

ZPOS64_T pos = zip64eocd_pos_inzip - zi->add_position_when_writting_offset;

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDLOCHEADERMAGIC,4);

/*num disks*/

if (err==ZIP_OK) /* number of the disk with the start of the central directory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4);

/*relative offset*/

if (err==ZIP_OK) /* Relative offset to the Zip64EndOfCentralDirectory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream, pos,8);

/*total disks*/ /* Do not support spawning of disk so always say 1 here*/

if (err==ZIP_OK) /* number of the disk with the start of the central directory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)1,4);

return err;

}

int Write_Zip64EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip)

{

int err = ZIP_OK;

uLong Zip64DataSize = 44;

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ZIP64ENDHEADERMAGIC,4);

if (err==ZIP_OK) /* size of this 'zip64 end of central directory' */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)Zip64DataSize,8); // why ZPOS64_T of this ?

if (err==ZIP_OK) /* version made by */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2);

if (err==ZIP_OK) /* version needed */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)45,2);

if (err==ZIP_OK) /* number of this disk */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4);

if (err==ZIP_OK) /* number of the disk with the start of the central directory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,4);

if (err==ZIP_OK) /* total number of entries in the central dir on this disk */

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8);

if (err==ZIP_OK) /* total number of entries in the central dir */

err = zip64local_putValue(&zi->z_filefunc, zi->filestream, zi->number_entry, 8);

if (err==ZIP_OK) /* size of the central directory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(ZPOS64_T)size_centraldir,8);

if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */

{

ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writting_offset;

err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (ZPOS64_T)pos,8);

}

return err;

}

int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir, ZPOS64_T centraldir_pos_inzip)

{

int err = ZIP_OK;

/*signature*/

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)ENDHEADERMAGIC,4);

if (err==ZIP_OK) /* number of this disk */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);

if (err==ZIP_OK) /* number of the disk with the start of the central directory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0,2);

if (err==ZIP_OK) /* total number of entries in the central dir on this disk */

{

{

if(zi->number_entry >= 0xFFFF)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record

else

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);

}

}

if (err==ZIP_OK) /* total number of entries in the central dir */

{

if(zi->number_entry >= 0xFFFF)

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)0xffff,2); // use value in ZIP64 record

else

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)zi->number_entry,2);

}

if (err==ZIP_OK) /* size of the central directory */

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_centraldir,4);

if (err==ZIP_OK) /* offset of start of central directory with respect to the starting disk number */

{

ZPOS64_T pos = centraldir_pos_inzip - zi->add_position_when_writting_offset;

if(pos >= 0xffffffff)

{

err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)0xffffffff,4);

}

else

err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);

}

return err;

}

int Write_GlobalComment(zip64_internal* zi, const char* global_comment)

{

int err = ZIP_OK;

uInt size_global_comment = 0;

if(global_comment != NULL)

size_global_comment = (uInt)strlen(global_comment);

err = zip64local_putValue(&zi->z_filefunc,zi->filestream,(uLong)size_global_comment,2);

if (err == ZIP_OK && size_global_comment > 0)

{

if (ZWRITE64(zi->z_filefunc,zi->filestream, global_comment, size_global_comment) != size_global_comment)

err = ZIP_ERRNO;

}

return err;

}

extern int ZEXPORT zipClose (zipFile file, const char* global_comment)

{

zip64_internal* zi;

int err = 0;

uLong size_centraldir = 0;

ZPOS64_T centraldir_pos_inzip;

ZPOS64_T pos;

if (file == NULL)

return ZIP_PARAMERROR;

zi = (zip64_internal*)file;

if (zi->in_opened_file_inzip == 1)

{

err = zipCloseFileInZip (file);

}

#ifndef NO_ADDFILEINEXISTINGZIP

if (global_comment==NULL)

global_comment = zi->globalcomment;

#endif

centraldir_pos_inzip = ZTELL64(zi->z_filefunc,zi->filestream);

if (err==ZIP_OK)

{

linkedlist_datablock_internal* ldi = zi->central_dir.first_block;

while (ldi!=NULL)

{

if ((err==ZIP_OK) && (ldi->filled_in_this_block>0))

{

if (ZWRITE64(zi->z_filefunc,zi->filestream, ldi->data, ldi->filled_in_this_block) != ldi->filled_in_this_block)

err = ZIP_ERRNO;

}

size_centraldir += ldi->filled_in_this_block;

ldi = ldi->next_datablock;

}

}

free_linkedlist(&(zi->central_dir));

pos = centraldir_pos_inzip - zi->add_position_when_writting_offset;

if(pos >= 0xffffffff || zi->number_entry > 0xFFFF)

{

ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream);

Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip);

Write_Zip64EndOfCentralDirectoryLocator(zi, Zip64EOCDpos);

}

if (err==ZIP_OK)

err = Write_EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip);

if(err == ZIP_OK)

err = Write_GlobalComment(zi, global_comment);

if (ZCLOSE64(zi->z_filefunc,zi->filestream) != 0)

if (err == ZIP_OK)

err = ZIP_ERRNO;

#ifndef NO_ADDFILEINEXISTINGZIP

TRYFREE(zi->globalcomment);

#endif

TRYFREE(zi);

return err;

}

extern int ZEXPORT zipRemoveExtraInfoBlock (char* pData, int* dataLen, short sHeader)

{

char* p = pData;

int size = 0;

char* pNewHeader;

char* pTmp;

short header;

short dataSize;

int retVal = ZIP_OK;

if(pData == NULL || *dataLen < 4)

return ZIP_PARAMERROR;

pNewHeader = (char*)ALLOC(*dataLen);

pTmp = pNewHeader;

while(p < (pData + *dataLen))

{

header = *(short*)p;

dataSize = *(((short*)p)+1);

if( header == sHeader ) // Header found.

{

p += dataSize + 4; // skip it. do not copy to temp buffer

}

else

{

// Extra Info block should not be removed, So copy it to the temp buffer.

memcpy(pTmp, p, dataSize + 4);

p += dataSize + 4;

size += dataSize + 4;

}

}

if(size < *dataLen)

{

// clean old extra info block.

memset(pData,0, *dataLen);

// copy the new extra info block over the old

if(size > 0)

memcpy(pData, pNewHeader, size);

// set the new extra info size

*dataLen = size;

retVal = ZIP_OK;

}

else

retVal = ZIP_ERRNO;

TRYFREE(pNewHeader);

return retVal;

}