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Diffstat (limited to 'ext/zip/lib/zipint.h')
| -rw-r--r-- | ext/zip/lib/zipint.h | 344 |
1 files changed, 344 insertions, 0 deletions
diff --git a/ext/zip/lib/zipint.h b/ext/zip/lib/zipint.h new file mode 100644 index 0000000..ea21ddd --- /dev/null +++ b/ext/zip/lib/zipint.h @@ -0,0 +1,344 @@ +#ifndef _HAD_ZIPINT_H +#define _HAD_ZIPINT_H + +/* + zipint.h -- internal declarations. + Copyright (C) 1999-2011 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> + +#include "zip.h" + +#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 + +#ifndef PHP_WIN32 +#ifndef HAVE_MKSTEMP +int _zip_mkstemp(char *); +#define mkstemp _zip_mkstemp +#endif +#endif + +#ifdef PHP_WIN32 +#include <windows.h> +#include <wchar.h> +#define _zip_rename(s, t) \ + (!MoveFileExA((s), (t), \ + MOVEFILE_COPY_ALLOWED|MOVEFILE_REPLACE_EXISTING)) + +/* for dup(), close(), etc. */ +#include <io.h> + +#if !defined(HAVE_OPEN) +#if defined(HAVE__OPEN) +#define open(a, b, c) _open((a), (b)) +#endif +#endif + +#else +#define _zip_rename rename +#endif + +#ifndef strcasecmp +# define strcmpi strcasecmp +#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 +#undef MAXCOMLEN /* defined as 19 on BSD for max command name */ +#define MAXCOMLEN 65536 +#define MAXEXTLEN 65536 +#define EOCDLEN 22 +#define CDBUFSIZE (MAXCOMLEN+EOCDLEN) +#define BUFSIZE 8192 + + + +/* This section contains API that won't materialize like this. It's + placed in the internal section, pending cleanup. */ + +typedef struct zip_source *(*zip_compression_implementation)(struct zip *, + struct zip_source *, + zip_uint16_t, int); +typedef struct zip_source *(*zip_encryption_implementation)(struct zip *, + struct zip_source *, + zip_uint16_t, int, + const char *); + +ZIP_EXTERN(zip_compression_implementation) zip_get_compression_implementation( + zip_uint16_t); +ZIP_EXTERN(zip_encryption_implementation) zip_get_encryption_implementation( + zip_uint16_t); + + + + +/* This section contains API that is of limited use until support for + user-supplied compression/encryption implementation is finished. + Thus we will keep it private for now. */ + +typedef zip_int64_t (*zip_source_layered_callback)(struct zip_source *, void *, + void *, zip_uint64_t, + enum zip_source_cmd); + +ZIP_EXTERN(void) zip_source_close(struct zip_source *); +ZIP_EXTERN(struct zip_source *)zip_source_crc(struct zip *, struct zip_source *, + int); +ZIP_EXTERN(struct zip_source *)zip_source_deflate(struct zip *, + struct zip_source *, + zip_uint16_t, int); +ZIP_EXTERN(void) zip_source_error(struct zip_source *, int *, int *); +ZIP_EXTERN(struct zip_source *)zip_source_layered(struct zip *, + struct zip_source *, + zip_source_layered_callback, + void *); +ZIP_EXTERN(int) zip_source_open(struct zip_source *); +ZIP_EXTERN(struct zip_source *)zip_source_pkware(struct zip *, + struct zip_source *, + zip_uint16_t, int, + const char *); +ZIP_EXTERN(zip_int64_t) zip_source_read(struct zip_source *, void *, + zip_uint64_t); +ZIP_EXTERN(int) zip_source_stat(struct zip_source *, struct zip_stat *); + + +/* This function will probably remain private. It is not needed to + implement compression/encryption routines. (We should probably + rename it to _zip_source_pop.) */ + +ZIP_EXTERN(struct zip_source *)zip_source_pop(struct zip_source *); + + + +/* 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 }; + +/* error source for layered sources */ + +enum zip_les { ZIP_LES_NONE, ZIP_LES_UPPER, ZIP_LES_LOWER, ZIP_LES_INVAL }; + +/* 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 */ + + char *default_password; /* password used when no other supplied */ + + 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 */ + zip_uint64_t nentry; /* number of entries */ + zip_uint64_t 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 eof; + struct zip_source *src; /* data source */ +}; + +/* 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 { + struct zip_source *src; + union { + zip_source_callback f; + zip_source_layered_callback l; + } cb; + void *ud; + enum zip_les error_source; + int is_open; +}; + +/* entry in zip archive directory */ + +struct zip_entry { + enum zip_state state; + struct zip_source *source; + char *ch_filename; + char *ch_extra; + int ch_extra_len; + 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) + +#define ZIP_IS_RDONLY(za) ((za)->ch_flags & ZIP_AFL_RDONLY) + + + +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 **, + zip_uint32_t *, 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); +void _zip_error_set_from_source(struct zip_error *, struct zip_source *); +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 *_zip_open(const char *, FILE *, int, int, int *); + +struct zip_source *_zip_source_file_or_p(struct zip *, const char *, FILE *, + zip_uint64_t, zip_int64_t, int, + const struct zip_stat *); +struct zip_source *_zip_source_new(struct zip *); + +int _zip_changed(struct zip *, int *); +void _zip_free(struct zip *); +const char *_zip_get_name(struct zip *, zip_uint64_t, 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 **); +zip_int64_t _zip_replace(struct zip *, zip_uint64_t, const char *, + struct zip_source *); +int _zip_set_name(struct zip *, zip_uint64_t, const char *); +void _zip_u2d_time(time_t, unsigned short *, unsigned short *); +int _zip_unchange(struct zip *, zip_uint64_t, int); +void _zip_unchange_data(struct zip_entry *); + +#endif /* zipint.h */ |