in contrib/libz/contrib/minizip/zip.c [1055:1263]
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_writing_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;
}