mirror of
https://github.com/DrBeef/JKXR.git
synced 2024-12-11 05:01:03 +00:00
265 lines
8.8 KiB
C
265 lines
8.8 KiB
C
|
#ifndef _HAD_ZIPINT_H
|
|||
|
#define _HAD_ZIPINT_H
|
|||
|
|
|||
|
/*
|
|||
|
zipint.h -- internal declarations.
|
|||
|
Copyright (C) 1999-2008 Dieter Baron and Thomas Klausner
|
|||
|
|
|||
|
This file is part of libzip, a library to manipulate ZIP archives.
|
|||
|
The authors can be contacted at <libzip@nih.at>
|
|||
|
|
|||
|
Redistribution and use in source and binary forms, with or without
|
|||
|
modification, are permitted provided that the following conditions
|
|||
|
are met:
|
|||
|
1. Redistributions of source code must retain the above copyright
|
|||
|
notice, this list of conditions and the following disclaimer.
|
|||
|
2. Redistributions in binary form must reproduce the above copyright
|
|||
|
notice, this list of conditions and the following disclaimer in
|
|||
|
the documentation and/or other materials provided with the
|
|||
|
distribution.
|
|||
|
3. The names of the authors may not be used to endorse or promote
|
|||
|
products derived from this software without specific prior
|
|||
|
written permission.
|
|||
|
|
|||
|
THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
|
|||
|
OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|||
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|||
|
ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
|
|||
|
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|||
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|||
|
GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|||
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
|
|||
|
IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|||
|
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
|
|||
|
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|||
|
*/
|
|||
|
|
|||
|
#include <zlib.h>
|
|||
|
|
|||
|
#ifdef _MSC_VER
|
|||
|
#define ZIP_EXTERN __declspec(dllimport)
|
|||
|
#endif
|
|||
|
|
|||
|
#include "zip.h"
|
|||
|
#include "config.h"
|
|||
|
|
|||
|
#ifndef HAVE_MKSTEMP
|
|||
|
int _zip_mkstemp(char *);
|
|||
|
#define mkstemp _zip_mkstemp
|
|||
|
#endif
|
|||
|
|
|||
|
#ifdef HAVE_MOVEFILEEXA
|
|||
|
#include <windows.h>
|
|||
|
#define _zip_rename(s, t) \
|
|||
|
(!MoveFileExA((s), (t), \
|
|||
|
MOVEFILE_COPY_ALLOWED|MOVEFILE_REPLACE_EXISTING))
|
|||
|
#else
|
|||
|
#define _zip_rename rename
|
|||
|
#endif
|
|||
|
|
|||
|
#ifndef HAVE_FSEEKO
|
|||
|
#define fseeko(s, o, w) (fseek((s), (long int)(o), (w)))
|
|||
|
#endif
|
|||
|
#ifndef HAVE_FTELLO
|
|||
|
#define ftello(s) ((long)ftell((s)))
|
|||
|
#endif
|
|||
|
|
|||
|
|
|||
|
|
|||
|
#define CENTRAL_MAGIC "PK\1\2"
|
|||
|
#define LOCAL_MAGIC "PK\3\4"
|
|||
|
#define EOCD_MAGIC "PK\5\6"
|
|||
|
#define DATADES_MAGIC "PK\7\8"
|
|||
|
#define TORRENT_SIG "TORRENTZIPPED-"
|
|||
|
#define TORRENT_SIG_LEN 14
|
|||
|
#define TORRENT_CRC_LEN 8
|
|||
|
#define TORRENT_MEM_LEVEL 8
|
|||
|
#define CDENTRYSIZE 46u
|
|||
|
#define LENTRYSIZE 30
|
|||
|
#define MAXCOMLEN 65536
|
|||
|
#define EOCDLEN 22
|
|||
|
#define CDBUFSIZE (MAXCOMLEN+EOCDLEN)
|
|||
|
#define BUFSIZE 8192
|
|||
|
|
|||
|
|
|||
|
|
|||
|
/* state of change of a file in zip archive */
|
|||
|
|
|||
|
enum zip_state { ZIP_ST_UNCHANGED, ZIP_ST_DELETED, ZIP_ST_REPLACED,
|
|||
|
ZIP_ST_ADDED, ZIP_ST_RENAMED };
|
|||
|
|
|||
|
/* constants for struct zip_file's member flags */
|
|||
|
|
|||
|
#define ZIP_ZF_EOF 1 /* EOF reached */
|
|||
|
#define ZIP_ZF_DECOMP 2 /* decompress data */
|
|||
|
#define ZIP_ZF_CRC 4 /* compute and compare CRC */
|
|||
|
|
|||
|
/* directory entry: general purpose bit flags */
|
|||
|
|
|||
|
#define ZIP_GPBF_ENCRYPTED 0x0001 /* is encrypted */
|
|||
|
#define ZIP_GPBF_DATA_DESCRIPTOR 0x0008 /* crc/size after file data */
|
|||
|
#define ZIP_GPBF_STRONG_ENCRYPTION 0x0040 /* uses strong encryption */
|
|||
|
|
|||
|
/* error information */
|
|||
|
|
|||
|
struct zip_error {
|
|||
|
int zip_err; /* libzip error code (ZIP_ER_*) */
|
|||
|
int sys_err; /* copy of errno (E*) or zlib error code */
|
|||
|
char *str; /* string representation or NULL */
|
|||
|
};
|
|||
|
|
|||
|
/* zip archive, part of API */
|
|||
|
|
|||
|
struct zip {
|
|||
|
char *zn; /* file name */
|
|||
|
FILE *zp; /* file */
|
|||
|
struct zip_error error; /* error information */
|
|||
|
|
|||
|
unsigned int flags; /* archive global flags */
|
|||
|
unsigned int ch_flags; /* changed archive global flags */
|
|||
|
|
|||
|
struct zip_cdir *cdir; /* central directory */
|
|||
|
char *ch_comment; /* changed archive comment */
|
|||
|
int ch_comment_len; /* length of changed zip archive
|
|||
|
* comment, -1 if unchanged */
|
|||
|
int nentry; /* number of entries */
|
|||
|
int nentry_alloc; /* number of entries allocated */
|
|||
|
struct zip_entry *entry; /* entries */
|
|||
|
int nfile; /* number of opened files within archive */
|
|||
|
int nfile_alloc; /* number of files allocated */
|
|||
|
struct zip_file **file; /* opened files within archive */
|
|||
|
};
|
|||
|
|
|||
|
/* file in zip archive, part of API */
|
|||
|
|
|||
|
struct zip_file {
|
|||
|
struct zip *za; /* zip archive containing this file */
|
|||
|
struct zip_error error; /* error information */
|
|||
|
int flags; /* -1: eof, >0: error */
|
|||
|
|
|||
|
int method; /* compression method */
|
|||
|
off_t fpos; /* position within zip file (fread/fwrite) */
|
|||
|
unsigned long bytes_left; /* number of bytes left to read */
|
|||
|
unsigned long cbytes_left; /* number of bytes of compressed data left */
|
|||
|
|
|||
|
unsigned long crc; /* CRC so far */
|
|||
|
unsigned long crc_orig; /* CRC recorded in archive */
|
|||
|
|
|||
|
char *buffer;
|
|||
|
z_stream *zstr;
|
|||
|
};
|
|||
|
|
|||
|
/* zip archive directory entry (central or local) */
|
|||
|
|
|||
|
struct zip_dirent {
|
|||
|
unsigned short version_madeby; /* (c) version of creator */
|
|||
|
unsigned short version_needed; /* (cl) version needed to extract */
|
|||
|
unsigned short bitflags; /* (cl) general purpose bit flag */
|
|||
|
unsigned short comp_method; /* (cl) compression method used */
|
|||
|
time_t last_mod; /* (cl) time of last modification */
|
|||
|
unsigned int crc; /* (cl) CRC-32 of uncompressed data */
|
|||
|
unsigned int comp_size; /* (cl) size of commpressed data */
|
|||
|
unsigned int uncomp_size; /* (cl) size of uncommpressed data */
|
|||
|
char *filename; /* (cl) file name (NUL-terminated) */
|
|||
|
unsigned short filename_len; /* (cl) length of filename (w/o NUL) */
|
|||
|
char *extrafield; /* (cl) extra field */
|
|||
|
unsigned short extrafield_len; /* (cl) length of extra field */
|
|||
|
char *comment; /* (c) file comment */
|
|||
|
unsigned short comment_len; /* (c) length of file comment */
|
|||
|
unsigned short disk_number; /* (c) disk number start */
|
|||
|
unsigned short int_attrib; /* (c) internal file attributes */
|
|||
|
unsigned int ext_attrib; /* (c) external file attributes */
|
|||
|
unsigned int offset; /* (c) offset of local header */
|
|||
|
};
|
|||
|
|
|||
|
/* zip archive central directory */
|
|||
|
|
|||
|
struct zip_cdir {
|
|||
|
struct zip_dirent *entry; /* directory entries */
|
|||
|
int nentry; /* number of entries */
|
|||
|
|
|||
|
unsigned int size; /* size of central direcotry */
|
|||
|
unsigned int offset; /* offset of central directory in file */
|
|||
|
char *comment; /* zip archive comment */
|
|||
|
unsigned short comment_len; /* length of zip archive comment */
|
|||
|
};
|
|||
|
|
|||
|
|
|||
|
|
|||
|
struct zip_source {
|
|||
|
zip_source_callback f;
|
|||
|
void *ud;
|
|||
|
};
|
|||
|
|
|||
|
/* entry in zip archive directory */
|
|||
|
|
|||
|
struct zip_entry {
|
|||
|
enum zip_state state;
|
|||
|
struct zip_source *source;
|
|||
|
char *ch_filename;
|
|||
|
char *ch_comment;
|
|||
|
int ch_comment_len;
|
|||
|
};
|
|||
|
|
|||
|
|
|||
|
|
|||
|
extern const char * const _zip_err_str[];
|
|||
|
extern const int _zip_nerr_str;
|
|||
|
extern const int _zip_err_type[];
|
|||
|
|
|||
|
|
|||
|
|
|||
|
#define ZIP_ENTRY_DATA_CHANGED(x) \
|
|||
|
((x)->state == ZIP_ST_REPLACED \
|
|||
|
|| (x)->state == ZIP_ST_ADDED)
|
|||
|
|
|||
|
|
|||
|
|
|||
|
int _zip_cdir_compute_crc(struct zip *, uLong *);
|
|||
|
void _zip_cdir_free(struct zip_cdir *);
|
|||
|
int _zip_cdir_grow(struct zip_cdir *, int, struct zip_error *);
|
|||
|
struct zip_cdir *_zip_cdir_new(int, struct zip_error *);
|
|||
|
int _zip_cdir_write(struct zip_cdir *, FILE *, struct zip_error *);
|
|||
|
|
|||
|
void _zip_dirent_finalize(struct zip_dirent *);
|
|||
|
void _zip_dirent_init(struct zip_dirent *);
|
|||
|
int _zip_dirent_read(struct zip_dirent *, FILE *, unsigned char **,
|
|||
|
unsigned int *, int, struct zip_error *);
|
|||
|
void _zip_dirent_torrent_normalize(struct zip_dirent *);
|
|||
|
int _zip_dirent_write(struct zip_dirent *, FILE *, int, struct zip_error *);
|
|||
|
|
|||
|
void _zip_entry_free(struct zip_entry *);
|
|||
|
void _zip_entry_init(struct zip *, int);
|
|||
|
struct zip_entry *_zip_entry_new(struct zip *);
|
|||
|
|
|||
|
void _zip_error_clear(struct zip_error *);
|
|||
|
void _zip_error_copy(struct zip_error *, struct zip_error *);
|
|||
|
void _zip_error_fini(struct zip_error *);
|
|||
|
void _zip_error_get(struct zip_error *, int *, int *);
|
|||
|
void _zip_error_init(struct zip_error *);
|
|||
|
void _zip_error_set(struct zip_error *, int, int);
|
|||
|
const char *_zip_error_strerror(struct zip_error *);
|
|||
|
|
|||
|
int _zip_file_fillbuf(void *, size_t, struct zip_file *);
|
|||
|
unsigned int _zip_file_get_offset(struct zip *, int);
|
|||
|
|
|||
|
int _zip_filerange_crc(FILE *, off_t, off_t, uLong *, struct zip_error *);
|
|||
|
|
|||
|
struct zip_source *_zip_source_file_or_p(struct zip *, const char *, FILE *,
|
|||
|
off_t, off_t);
|
|||
|
|
|||
|
void _zip_free(struct zip *);
|
|||
|
const char *_zip_get_name(struct zip *, int, int, struct zip_error *);
|
|||
|
int _zip_local_header_read(struct zip *, int);
|
|||
|
void *_zip_memdup(const void *, size_t, struct zip_error *);
|
|||
|
int _zip_name_locate(struct zip *, const char *, int, struct zip_error *);
|
|||
|
struct zip *_zip_new(struct zip_error *);
|
|||
|
unsigned short _zip_read2(unsigned char **);
|
|||
|
unsigned int _zip_read4(unsigned char **);
|
|||
|
int _zip_replace(struct zip *, int, const char *, struct zip_source *);
|
|||
|
int _zip_set_name(struct zip *, int, const char *);
|
|||
|
int _zip_unchange(struct zip *, int, int);
|
|||
|
void _zip_unchange_data(struct zip_entry *);
|
|||
|
|
|||
|
#endif /* zipint.h */
|