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/*
* Copyright (c) 2003, 2005, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#ifndef _MANIFEST_INFO_H
#define _MANIFEST_INFO_H
#include <sys/types.h>
/*
* Zip file header signatures
*/
#define SIGSIZ 4 /* size of all header signatures */
#define LOCSIG 0x04034b50L /* "PK\003\004" */
#define EXTSIG 0x08074b50L /* "PK\007\008" */
#define CENSIG 0x02014b50L /* "PK\001\002" */
#define ENDSIG 0x06054b50L /* "PK\005\006" */
/*
* Header sizes including signatures
*/
#define LOCHDR 30
#define EXTHDR 16
#define CENHDR 46
#define ENDHDR 22
/*
* Header field access macros
*/
#define CH(b, n) (((unsigned char *)(b))[n])
#define SH(b, n) (CH(b, n) | (CH(b, n+1) << 8))
#define LG(b, n) (SH(b, n) | (SH(b, n+2) << 16))
#define GETSIG(b) LG(b, 0)
/*
* Macros for getting local file (LOC) header fields
*/
#define LOCVER(b) SH(b, 4) /* version needed to extract */
#define LOCFLG(b) SH(b, 6) /* general purpose bit flags */
#define LOCHOW(b) SH(b, 8) /* compression method */
#define LOCTIM(b) LG(b, 10) /* modification time */
#define LOCCRC(b) LG(b, 14) /* crc of uncompressed data */
#define LOCSIZ(b) LG(b, 18) /* compressed data size */
#define LOCLEN(b) LG(b, 22) /* uncompressed data size */
#define LOCNAM(b) SH(b, 26) /* filename length */
#define LOCEXT(b) SH(b, 28) /* extra field length */
/*
* Macros for getting extra local (EXT) header fields
*/
#define EXTCRC(b) LG(b, 4) /* crc of uncompressed data */
#define EXTSIZ(b) LG(b, 8) /* compressed size */
#define EXTLEN(b) LG(b, 12) /* uncompressed size */
/*
* Macros for getting central directory header (CEN) fields
*/
#define CENVEM(b) SH(b, 4) /* version made by */
#define CENVER(b) SH(b, 6) /* version needed to extract */
#define CENFLG(b) SH(b, 8) /* general purpose bit flags */
#define CENHOW(b) SH(b, 10) /* compression method */
#define CENTIM(b) LG(b, 12) /* modification time */
#define CENCRC(b) LG(b, 16) /* crc of uncompressed data */
#define CENSIZ(b) LG(b, 20) /* compressed size */
#define CENLEN(b) LG(b, 24) /* uncompressed size */
#define CENNAM(b) SH(b, 28) /* length of filename */
#define CENEXT(b) SH(b, 30) /* length of extra field */
#define CENCOM(b) SH(b, 32) /* file comment length */
#define CENDSK(b) SH(b, 34) /* disk number start */
#define CENATT(b) SH(b, 36) /* internal file attributes */
#define CENATX(b) LG(b, 38) /* external file attributes */
#define CENOFF(b) LG(b, 42) /* offset of local header */
/*
* Macros for getting end of central directory header (END) fields
*/
#define ENDSUB(b) SH(b, 8) /* number of entries on this disk */
#define ENDTOT(b) SH(b, 10) /* total number of entries */
#define ENDSIZ(b) LG(b, 12) /* central directory size */
#define ENDOFF(b) LG(b, 16) /* central directory offset */
#define ENDCOM(b) SH(b, 20) /* size of zip file comment */
/*
* A comment of maximum length of 64kb can follow the END record. This
* is the furthest the END record can be from the end of the file.
*/
#define END_MAXLEN (0xFFFF + ENDHDR)
/*
* Supported compression methods.
*/
#define STORED 0
#define DEFLATED 8
/*
* Information from the CEN entry to inflate a file.
*/
typedef struct zentry { /* Zip file entry */
size_t isize; /* size of inflated data */
size_t csize; /* size of compressed data (zero if uncompressed) */
off_t offset; /* position of compressed data */
int how; /* compression method (if any) */
} zentry;
/*
* Information returned from the Manifest file by the ParseManifest() routine.
* Certainly (much) more could be returned, but this is the information
* currently of interest to the C based Java utilities (particularly the
* Java launcher).
*/
typedef struct manifest_info { /* Interesting fields from the Manifest */
char *manifest_version; /* Manifest-Version string */
char *main_class; /* Main-Class entry */
char *jre_version; /* Appropriate J2SE release spec */
char jre_restrict_search; /* Restricted JRE search */
char *splashscreen_image_file_name; /* splashscreen image file */
} manifest_info;
/*
* Attribute closure to provide to manifest_iterate.
*/
typedef void (*attribute_closure)(const char *name, const char *value,
void *user_data);
/*
* Function prototypes.
*/
int JLI_ParseManifest(char *jarfile, manifest_info *info);
void *JLI_JarUnpackFile(const char *jarfile, const char *filename,
int *size);
void JLI_FreeManifest(void);
int JLI_ManifestIterate(const char *jarfile, attribute_closure ac,
void *user_data);
#endif /* _MANIFEST_INFO_H */
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