1/* 2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26#ifndef _MANIFEST_INFO_H 27#define _MANIFEST_INFO_H 28 29#include <sys/types.h> 30 31/* 32 * Zip file header signatures 33 */ 34#define SIGSIZ 4 /* size of all header signatures */ 35 36#define PKZIP_SIGNATURE_AT(p, b2, b3) \ 37 (((p)[0] == 'P') & ((p)[1] == 'K') & ((p)[2] == b2) & ((p)[3] == b3)) 38#define CENSIG_AT(p) PKZIP_SIGNATURE_AT(p, 1, 2) 39#define LOCSIG_AT(p) PKZIP_SIGNATURE_AT(p, 3, 4) 40#define ENDSIG_AT(p) PKZIP_SIGNATURE_AT(p, 5, 6) 41#define EXTSIG_AT(p) PKZIP_SIGNATURE_AT(p, 7, 8) 42#define ZIP64_ENDSIG_AT(p) PKZIP_SIGNATURE_AT(p, 6, 6) 43#define ZIP64_LOCSIG_AT(p) PKZIP_SIGNATURE_AT(p, 6, 7) 44 45/* 46 * Header sizes including signatures 47 */ 48#define LOCHDR 30 49#define EXTHDR 16 50#define CENHDR 46 51#define ENDHDR 22 52 53#define ZIP64_ENDHDR 56 // ZIP64 end header size 54#define ZIP64_LOCHDR 20 // ZIP64 end loc header size 55#define ZIP64_EXTHDR 24 // EXT header size 56#define ZIP64_EXTID 1 // Extra field Zip64 header ID 57 58#define ZIP64_MAGICVAL 0xffffffffLL 59#define ZIP64_MAGICCOUNT 0xffff 60 61/* 62 * Header field access macros 63 */ 64#define CH(b, n) (((unsigned char *)(b))[n]) 65#define SH(b, n) (CH(b, n) | (CH(b, n+1) << 8)) 66#define LG(b, n) ((SH(b, n) | (SH(b, n+2) << 16)) &0xffffffffUL) 67#define LL(b, n) (((jlong)LG(b, n)) | (((jlong)LG(b, n+4)) << 32)) 68#define GETSIG(b) LG(b, 0) 69 70/* 71 * Macros for getting local file (LOC) header fields 72 */ 73#define LOCVER(b) SH(b, 4) /* version needed to extract */ 74#define LOCFLG(b) SH(b, 6) /* general purpose bit flags */ 75#define LOCHOW(b) SH(b, 8) /* compression method */ 76#define LOCTIM(b) LG(b, 10) /* modification time */ 77#define LOCCRC(b) LG(b, 14) /* crc of uncompressed data */ 78#define LOCSIZ(b) LG(b, 18) /* compressed data size */ 79#define LOCLEN(b) LG(b, 22) /* uncompressed data size */ 80#define LOCNAM(b) SH(b, 26) /* filename length */ 81#define LOCEXT(b) SH(b, 28) /* extra field length */ 82 83/* 84 * Macros for getting extra local (EXT) header fields 85 */ 86#define EXTCRC(b) LG(b, 4) /* crc of uncompressed data */ 87#define EXTSIZ(b) LG(b, 8) /* compressed size */ 88#define EXTLEN(b) LG(b, 12) /* uncompressed size */ 89 90/* 91 * Macros for getting central directory header (CEN) fields 92 */ 93#define CENVEM(b) SH(b, 4) /* version made by */ 94#define CENVER(b) SH(b, 6) /* version needed to extract */ 95#define CENFLG(b) SH(b, 8) /* general purpose bit flags */ 96#define CENHOW(b) SH(b, 10) /* compression method */ 97#define CENTIM(b) LG(b, 12) /* modification time */ 98#define CENCRC(b) LG(b, 16) /* crc of uncompressed data */ 99#define CENSIZ(b) LG(b, 20) /* compressed size */ 100#define CENLEN(b) LG(b, 24) /* uncompressed size */ 101#define CENNAM(b) SH(b, 28) /* length of filename */ 102#define CENEXT(b) SH(b, 30) /* length of extra field */ 103#define CENCOM(b) SH(b, 32) /* file comment length */ 104#define CENDSK(b) SH(b, 34) /* disk number start */ 105#define CENATT(b) SH(b, 36) /* internal file attributes */ 106#define CENATX(b) LG(b, 38) /* external file attributes */ 107#define CENOFF(b) LG(b, 42) /* offset of local header */ 108 109/* 110 * Macros for getting end of central directory header (END) fields 111 */ 112#define ENDNMD(b) SH(b, 4) /* number of this disk */ 113#define ENDDSK(b) SH(b, 6) /* disk number of start */ 114#define ENDSUB(b) SH(b, 8) /* number of entries on this disk */ 115#define ENDTOT(b) SH(b, 10) /* total number of entries */ 116#define ENDSIZ(b) LG(b, 12) /* central directory size */ 117#define ENDOFF(b) LG(b, 16) /* central directory offset */ 118#define ENDCOM(b) SH(b, 20) /* size of zip file comment */ 119 120/* 121 * Macros for getting Zip64 end of central directory header fields 122 */ 123#define ZIP64_ENDLEN(b) LL(b, 4) /* size of zip64 end of central dir */ 124#define ZIP64_ENDVEM(b) SH(b, 12) /* version made by */ 125#define ZIP64_ENDVER(b) SH(b, 14) /* version needed to extract */ 126#define ZIP64_ENDNMD(b) LG(b, 16) /* number of this disk */ 127#define ZIP64_ENDDSK(b) LG(b, 20) /* disk number of start */ 128#define ZIP64_ENDTOD(b) LL(b, 24) /* total number of entries on this disk */ 129#define ZIP64_ENDTOT(b) LL(b, 32) /* total number of entries */ 130#define ZIP64_ENDSIZ(b) LL(b, 40) /* central directory size in bytes */ 131#define ZIP64_ENDOFF(b) LL(b, 48) /* offset of first CEN header */ 132 133/* 134 * Macros for getting Zip64 end of central directory locator fields 135 */ 136#define ZIP64_LOCDSK(b) LG(b, 4) /* disk number start */ 137#define ZIP64_LOCOFF(b) LL(b, 8) /* offset of zip64 end */ 138#define ZIP64_LOCTOT(b) LG(b, 16) /* total number of disks */ 139 140/* 141 * A comment of maximum length of 64kb can follow the END record. This 142 * is the furthest the END record can be from the end of the file. 143 */ 144#define END_MAXLEN (0xFFFF + ENDHDR) 145 146/* 147 * Supported compression methods. 148 */ 149#define STORED 0 150#define DEFLATED 8 151 152/* 153 * Information from the CEN entry to inflate a file. 154 */ 155typedef struct zentry { /* Zip file entry */ 156 size_t isize; /* size of inflated data */ 157 size_t csize; /* size of compressed data (zero if uncompressed) */ 158 jlong offset; /* position of compressed data */ 159 int how; /* compression method (if any) */ 160} zentry; 161 162/* 163 * Information returned from the Manifest file by the ParseManifest() routine. 164 * Certainly (much) more could be returned, but this is the information 165 * currently of interest to the C based Java utilities (particularly the 166 * Java launcher). 167 */ 168typedef struct manifest_info { /* Interesting fields from the Manifest */ 169 char *manifest_version; /* Manifest-Version string */ 170 char *main_class; /* Main-Class entry */ 171 char *jre_version; /* Appropriate J2SE release spec */ 172 char jre_restrict_search; /* Restricted JRE search */ 173 char *splashscreen_image_file_name; /* splashscreen image file */ 174} manifest_info; 175 176/* 177 * Attribute closure to provide to manifest_iterate. 178 */ 179typedef void (*attribute_closure)(const char *name, const char *value, 180 void *user_data); 181 182/* 183 * Function prototypes. 184 */ 185int JLI_ParseManifest(char *jarfile, manifest_info *info); 186void *JLI_JarUnpackFile(const char *jarfile, const char *filename, 187 int *size); 188void JLI_FreeManifest(void); 189int JLI_ManifestIterate(const char *jarfile, attribute_closure ac, 190 void *user_data); 191 192#endif /* _MANIFEST_INFO_H */ 193