151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 26c970474e9416807cabde3620045906ad3903c6cPrzemyslaw Szczepaniak * Copyright (c) 1995, 2013, Oracle and/or its affiliates. All rights reserved. 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Prototypes for zip file support 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#ifndef _ZIP_H_ 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define _ZIP_H_ 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Header signatures 3551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 3651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCSIG 0x04034b50L /* "PK\003\004" */ 3751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define EXTSIG 0x08074b50L /* "PK\007\008" */ 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENSIG 0x02014b50L /* "PK\001\002" */ 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDSIG 0x06054b50L /* "PK\005\006" */ 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDSIG 0x06064b50L /* "PK\006\006" */ 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_LOCSIG 0x07064b50L /* "PK\006\007" */ 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Header sizes including signatures 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 4851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCHDR 30 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define EXTHDR 16 5051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENHDR 46 5151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDHDR 22 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDHDR 56 // ZIP64 end header size 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_LOCHDR 20 // ZIP64 end loc header size 5551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_EXTHDR 24 // EXT header size 5651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_EXTID 1 // Extra field Zip64 header ID 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_MAGICVAL 0xffffffffLL 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_MAGICCOUNT 0xffff 6051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 6351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Header field access macros 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CH(b, n) (((unsigned char *)(b))[n]) 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define SH(b, n) (CH(b, n) | (CH(b, n+1) << 8)) 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LG(b, n) ((SH(b, n) | (SH(b, n+2) << 16)) &0xffffffffUL) 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LL(b, n) (((jlong)LG(b, n)) | (((jlong)LG(b, n+4)) << 32)) 6951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define GETSIG(b) LG(b, 0) 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Macros for getting local file (LOC) header fields 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCVER(b) SH(b, 4) /* version needed to extract */ 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCFLG(b) SH(b, 6) /* general purpose bit flags */ 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCHOW(b) SH(b, 8) /* compression method */ 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCTIM(b) LG(b, 10) /* modification time */ 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCCRC(b) LG(b, 14) /* crc of uncompressed data */ 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCSIZ(b) LG(b, 18) /* compressed data size */ 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCLEN(b) LG(b, 22) /* uncompressed data size */ 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCNAM(b) SH(b, 26) /* filename length */ 8251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define LOCEXT(b) SH(b, 28) /* extra field length */ 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Macros for getting extra local (EXT) header fields 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define EXTCRC(b) LG(b, 4) /* crc of uncompressed data */ 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define EXTSIZ(b) LG(b, 8) /* compressed size */ 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define EXTLEN(b) LG(b, 12) /* uncompressed size */ 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Macros for getting central directory header (CEN) fields 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 9451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENVEM(b) SH(b, 4) /* version made by */ 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENVER(b) SH(b, 6) /* version needed to extract */ 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENFLG(b) SH(b, 8) /* general purpose bit flags */ 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENHOW(b) SH(b, 10) /* compression method */ 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENTIM(b) LG(b, 12) /* modification time */ 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENCRC(b) LG(b, 16) /* crc of uncompressed data */ 10051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENSIZ(b) LG(b, 20) /* compressed size */ 10151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENLEN(b) LG(b, 24) /* uncompressed size */ 10251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENNAM(b) SH(b, 28) /* length of filename */ 10351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENEXT(b) SH(b, 30) /* length of extra field */ 10451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENCOM(b) SH(b, 32) /* file comment length */ 10551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENDSK(b) SH(b, 34) /* disk number start */ 10651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENATT(b) SH(b, 36) /* internal file attributes */ 10751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENATX(b) LG(b, 38) /* external file attributes */ 10851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define CENOFF(b) LG(b, 42) /* offset of local header */ 10951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 11051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 11151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Macros for getting end of central directory header (END) fields 11251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 11351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDSUB(b) SH(b, 8) /* number of entries on this disk */ 11451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDTOT(b) SH(b, 10) /* total number of entries */ 11551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDSIZ(b) LG(b, 12) /* central directory size */ 11651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDOFF(b) LG(b, 16) /* central directory offset */ 11751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ENDCOM(b) SH(b, 20) /* size of zip file comment */ 11851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 11951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 12051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Macros for getting Zip64 end of central directory header fields 12151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 12251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDLEN(b) LL(b, 4) /* size of zip64 end of central dir */ 12351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDVEM(b) SH(b, 12) /* version made by */ 12451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDVER(b) SH(b, 14) /* version needed to extract */ 12551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDNMD(b) LG(b, 16) /* number of this disk */ 12651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDDSK(b) LG(b, 20) /* disk number of start */ 12751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDTOD(b) LL(b, 24) /* total number of entries on this disk */ 12851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDTOT(b) LL(b, 32) /* total number of entries */ 12951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDSIZ(b) LL(b, 40) /* central directory size in bytes */ 13051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_ENDOFF(b) LL(b, 48) /* offset of first CEN header */ 13151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 13251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 13351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Macros for getting Zip64 end of central directory locator fields 13451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 13551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_LOCDSK(b) LG(b, 4) /* disk number start */ 13651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_LOCOFF(b) LL(b, 8) /* offset of zip64 end */ 13751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP64_LOCTOT(b) LG(b, 16) /* total number of disks */ 13851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 13951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 14051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Supported compression methods 14151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 14251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define STORED 0 14351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define DEFLATED 8 14451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 14651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Support for reading ZIP/JAR files. Some things worth noting: 14751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 14851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * - Zip file entries larger than 2**32 bytes are not supported. 14951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * - jzentry time and crc fields are signed even though they really 15051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * represent unsigned quantities. 15151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * - If csize is zero then the entry is uncompressed. 15251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * - If extra != 0 then the first two bytes are the length of the extra 15351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * data in intel byte order. 15451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * - If pos <= 0 then it is the position of entry LOC header. 15551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If pos > 0 then it is the position of entry data. 15651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * pos should not be accessed directly, but only by ZIP_GetEntryDataOffset. 1576c970474e9416807cabde3620045906ad3903c6cPrzemyslaw Szczepaniak * - entry name may include embedded null character, use nlen for length 15851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 15951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 16051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskitypedef struct jzentry { /* Zip file entry */ 16151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char *name; /* entry name */ 16251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong time; /* modification time */ 16351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong size; /* size of uncompressed data */ 16451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong csize; /* size of compressed data (zero if uncompressed) */ 16551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint crc; /* crc of uncompressed data */ 16651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char *comment; /* optional zip file comment */ 16751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jbyte *extra; /* optional extra data */ 16851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong pos; /* position of LOC header or entry data */ 16951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint flag; /* general purpose flag */ 1706c970474e9416807cabde3620045906ad3903c6cPrzemyslaw Szczepaniak jint nlen; /* length of the entry name */ 17151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} jzentry; 17251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 17351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 17451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * In-memory hash table cell. 17551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * In a typical system we have a *lot* of these, as we have one for 17651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * every entry in every active JAR. 17751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Note that in order to save space we don't keep the name in memory, 17851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * but merely remember a 32 bit hash. 17951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 18051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskitypedef struct jzcell { 18151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsigned int hash; /* 32 bit hashcode on name */ 18251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsigned int next; /* hash chain: index into jzfile->entries */ 18351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong cenpos; /* Offset of central directory file header */ 18451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} jzcell; 18551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 18651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskitypedef struct cencache { 18751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char *data; /* A cached page of CEN headers */ 18851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong pos; /* file offset of data */ 18951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} cencache; 19051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 19151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 19251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Use ZFILE to represent access to a file in a platform-indepenent 19351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * fashion. 19451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 19551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#ifdef WIN32 19651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZFILE jlong 19751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#else 19851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZFILE int 19951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#endif 20051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 20151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 202c76ee66e81536e4662252c853843fb0ed7fed5a5Przemyslaw Szczepaniak * Use mmap for CEN & ENDHDR sections 203c76ee66e81536e4662252c853843fb0ed7fed5a5Przemyslaw Szczepaniak */ 204c76ee66e81536e4662252c853843fb0ed7fed5a5Przemyslaw Szczepaniak#define USE_MMAP 1 205c76ee66e81536e4662252c853843fb0ed7fed5a5Przemyslaw Szczepaniak 206c76ee66e81536e4662252c853843fb0ed7fed5a5Przemyslaw Szczepaniak/* 20751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Descriptor for a ZIP file. 20851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 20951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskitypedef struct jzfile { /* Zip file */ 21051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char *name; /* zip file name */ 21151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint refs; /* number of active references */ 21251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong len; /* length (in bytes) of zip file */ 21351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#ifdef USE_MMAP 21451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsigned char *maddr; /* beginning address of the CEN & ENDHDR */ 21551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong mlen; /* length (in bytes) mmaped */ 21651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong offset; /* offset of the mmapped region from the 21751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski start of the file. */ 21851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jboolean usemmap; /* if mmap is used. */ 21951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#endif 22051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jboolean locsig; /* if zip file starts with LOCSIG */ 22151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cencache cencache; /* CEN header cache */ 22251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ZFILE zfd; /* open file descriptor */ 22351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void *lock; /* read lock */ 22451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char *comment; /* zip file comment */ 22551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint clen; /* length of the zip file comment */ 22651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char *msg; /* zip error message */ 22751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jzcell *entries; /* array of hash cells */ 22851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint total; /* total number of entries */ 22951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint *table; /* Hash chain heads: indexes into entries */ 23051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint tablelen; /* number of hash heads */ 23151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski struct jzfile *next; /* next zip file in search list */ 23251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jzentry *cache; /* we cache the most recently freed jzentry */ 23351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* Information on metadata names in META-INF directory */ 23451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char **metanames; /* array of meta names (may have null names) */ 23551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint metacurrent; /* the next empty slot in metanames array */ 23651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jint metacount; /* number of slots in metanames array */ 23751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong lastModified; /* last modified time */ 23851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski jlong locpos; /* position of first LOC header (usually 0) */ 23951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} jzfile; 24051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 24151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 24251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Index representing end of hash chain 24351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 24451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#define ZIP_ENDCHAIN ((jint)-1) 24551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 24651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzentry * JNICALL 24751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_FindEntry(jzfile *zip, char *name, jint *sizeP, jint *nameLenP); 24851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 24951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijboolean JNICALL 25051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_ReadEntry(jzfile *zip, jzentry *entry, unsigned char *buf, char *entrynm); 25151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 25251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzentry * JNICALL 25351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_GetNextEntry(jzfile *zip, jint n); 25451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 25551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzfile * JNICALL 25651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_Open(const char *name, char **pmsg); 25751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 25851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzfile * 25951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_Open_Generic(const char *name, char **pmsg, int mode, jlong lastModified); 26051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 26151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzfile * 26251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_Get_From_Cache(const char *name, char **pmsg, jlong lastModified); 26351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 26451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzfile * 26551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_Put_In_Cache(const char *name, ZFILE zfd, char **pmsg, jlong lastModified); 26651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 26751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzfile * 26851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_Put_In_Cache0(const char *name, ZFILE zfd, char **pmsg, jlong lastModified, jboolean usemmap); 26951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 27051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskivoid JNICALL 27151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr JastrzebskiZIP_Close(jzfile *zip); 27251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 27351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijzentry * ZIP_GetEntry(jzfile *zip, char *name, jint ulen); 27451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskivoid ZIP_Lock(jzfile *zip); 27551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskivoid ZIP_Unlock(jzfile *zip); 27651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijint ZIP_Read(jzfile *zip, jzentry *entry, jlong pos, void *buf, jint len); 27751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskivoid ZIP_FreeEntry(jzfile *zip, jzentry *ze); 27851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskijlong ZIP_GetEntryDataOffset(jzfile *zip, jzentry *entry); 2796c970474e9416807cabde3620045906ad3903c6cPrzemyslaw Szczepaniakjzentry * ZIP_GetEntry2(jzfile *zip, char *name, jint ulen, jboolean addSlash); 28051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 28151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski#endif /* !_ZIP_H_ */ 282