/usr/include/zipios++/ziphead.h is in libzipios++-dev 0.1.5.9+cvs.2007.04.28-5.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 | #ifndef ZIPHEAD_H
#define ZIPHEAD_H
#include "zipios++/zipios-config.h"
#include "zipios++/meta-iostreams.h"
#include <string>
#include <vector>
#include "zipios++/fileentry.h"
#include "zipios++/zipios_defs.h"
namespace zipios {
using std::streampos ;
class ZipCDirEntry ;
/** A concrete implementation of the abstract FileEntry base class for
ZipFile entries, specifically for representing the information
present in the local headers of file entries in a zip file. */
class ZipLocalEntry : public FileEntry {
friend istream &operator>> ( istream &is, ZipLocalEntry &zcdh ) ;
friend ostream &operator<< ( ostream &os, const ZipLocalEntry &zlh ) ;
friend bool operator== ( const ZipLocalEntry &zlh, const ZipCDirEntry &ze ) ;
public:
inline ZipLocalEntry( const string &_filename = "",
const vector< unsigned char > &_extra_field =
vector< unsigned char >() )
: gp_bitfield( 0 ),
_valid( false ) {
setDefaultExtract() ;
setName( _filename ) ;
setExtra( _extra_field ) ;
}
void setDefaultExtract() ;
inline ZipLocalEntry &operator=( const class ZipLocalEntry &src ) ;
virtual string getComment() const ;
virtual uint32 getCompressedSize() const ;
virtual uint32 getCrc() const ;
virtual vector< unsigned char > getExtra() const ;
virtual StorageMethod getMethod() const ;
virtual string getName() const ;
virtual string getFileName() const ;
virtual uint32 getSize() const ;
virtual int getTime() const ;
virtual bool isValid() const ;
virtual bool isDirectory() const ;
virtual void setComment( const string &comment ) ;
virtual void setCompressedSize( uint32 size ) ;
virtual void setCrc( uint32 crc ) ;
virtual void setExtra( const vector< unsigned char > &extra ) ;
virtual void setMethod( StorageMethod method ) ;
virtual void setName( const string &name ) ;
virtual void setSize( uint32 size ) ;
virtual void setTime( int time ) ;
virtual string toString() const ;
int getLocalHeaderSize() const ;
bool trailingDataDescriptor() const ;
virtual FileEntry *clone() const ;
virtual ~ZipLocalEntry() {}
protected:
static const uint32 signature ;
uint16 extract_version ;
uint16 gp_bitfield ;
uint16 compress_method ;
uint16 last_mod_ftime ;
uint16 last_mod_fdate ;
uint32 crc_32 ;
uint32 compress_size ;
uint32 uncompress_size ;
uint16 filename_len ;
uint16 extra_field_len ;
string filename ;
vector< unsigned char > extra_field ;
bool _valid ;
};
/** A struct containing fields for the entries in a zip file data
descriptor, that trails the compressed data in files that were
created by streaming, ie where the zip compressor cannot seek back
to the local header and store the data. */
struct DataDescriptor {
uint32 crc_32 ;
uint32 compress_size ;
uint32 uncompress_size ;
};
/** Specialization of ZipLocalEntry, that add fields for storing the
extra information, that is only present in the entries in the zip
central directory and not in the local entry headers. */
class ZipCDirEntry : public ZipLocalEntry {
friend istream &operator>> ( istream &is, ZipCDirEntry &zcdh ) ;
friend ostream &operator<< ( ostream &os, const ZipCDirEntry &zcdh ) ;
friend bool operator== ( const ZipLocalEntry &zlh, const ZipCDirEntry &ze ) ;
public:
inline ZipCDirEntry( const string &_filename = "",
const string &_file_comment = "",
const vector< unsigned char > &_extra_field =
vector< unsigned char >() )
: ZipLocalEntry ( _filename, _extra_field ),
disk_num_start ( 0x0 ),
intern_file_attr( 0x0 ),
extern_file_attr( 0x81B40000 )
// FIXME: I don't understand the external mapping, simply
// copied value for a file with -rw-rw-r-- permissions
// compressed with info-zip
{
setComment( _file_comment ) ;
setDefaultWriter() ;
}
void setDefaultWriter() ;
inline ZipCDirEntry &operator=( const class ZipCDirEntry &src ) ;
virtual string toString() const ;
virtual string getComment() const ;
virtual void setComment( const string &comment ) ;
virtual uint32 getLocalHeaderOffset() const ;
virtual void setLocalHeaderOffset( uint32 offset ) ;
int getCDirHeaderSize() const ;
virtual FileEntry *clone() const ;
virtual ~ZipCDirEntry() {}
private:
static const uint32 signature ;
uint16 writer_version ;
uint16 file_comment_len ;
uint16 disk_num_start ;
uint16 intern_file_attr ;
uint32 extern_file_attr ;
uint32 rel_offset_loc_head ;
string file_comment ;
};
/** The end of the Central directory structure. This structure is
stored in the end of the zipfile, and contains information about
the zipfile, including the position of the start of the central
directory. */
class EndOfCentralDirectory {
friend ostream &operator<< ( ostream &os, const EndOfCentralDirectory &eocd ) ;
public:
explicit EndOfCentralDirectory( const string &_zip_comment = "",
uint16 _disk_num = 0, uint16 _cdir_disk_num = 0,
uint16 _cdir_entries = 0,
uint16 _cdir_tot_entries = 0,
uint32 _cdir_size = 0, uint32 _cdir_offset = 0 )
: disk_num ( _disk_num ),
cdir_disk_num ( _cdir_disk_num ),
cdir_entries ( _cdir_entries ),
cdir_tot_entries ( _cdir_tot_entries ),
cdir_size ( _cdir_size ),
cdir_offset ( _cdir_offset ),
zip_comment_len ( _zip_comment.size() ),
zip_comment ( _zip_comment ) {}
uint32 offset() const { return cdir_offset ; }
uint16 totalCount() const { return cdir_tot_entries ; }
void setCDirSize( uint32 size ) { cdir_size = size ; }
void setOffset( uint32 offset ) { cdir_offset = offset ; }
void setTotalCount( uint16 c ) { cdir_entries = c ; cdir_tot_entries = c ; }
int eocdOffSetFromEnd() const { return eocd_offset_from_end ; }
bool read( vector<unsigned char> &buf, int pos ) ;
private:
static const uint32 signature;
uint16 disk_num ;
uint16 cdir_disk_num ;
uint16 cdir_entries ;
uint16 cdir_tot_entries ;
uint32 cdir_size ;
uint32 cdir_offset ;
uint16 zip_comment_len ;
streampos eocd_offset_from_end ; // Not a Zip defined field
string zip_comment;
bool checkSignature( unsigned char *buf ) const ;
inline bool checkSignature( uint32 sig ) const ;
};
bool operator== ( const ZipLocalEntry &zlh, const ZipCDirEntry &ze ) ;
inline bool operator== ( const ZipCDirEntry &ze, const ZipLocalEntry &zlh ) {
return zlh == ze ;
}
inline bool operator!= ( const ZipLocalEntry &zlh, const ZipCDirEntry &ze ) {
return ! ( zlh == ze ) ;
}
inline bool operator!= ( const ZipCDirEntry &ze, const ZipLocalEntry &zlh ) {
return ! ( zlh == ze ) ;
}
// Inline member functions
ZipCDirEntry &ZipCDirEntry::operator=( const class ZipCDirEntry &src ) {
writer_version = src.writer_version ;
extract_version = src.extract_version ;
gp_bitfield = src.gp_bitfield ;
compress_method = src.compress_method ;
last_mod_ftime = src.last_mod_ftime ;
last_mod_fdate = src.last_mod_fdate ;
crc_32 = src.crc_32 ;
compress_size = src.compress_size ;
uncompress_size = src.uncompress_size ;
filename_len = src.filename_len ;
extra_field_len = src.extra_field_len ;
file_comment_len = src.file_comment_len ;
disk_num_start = src.disk_num_start ;
intern_file_attr = src.intern_file_attr ;
extern_file_attr = src.extern_file_attr ;
rel_offset_loc_head = src.rel_offset_loc_head ;
filename = src.filename ;
extra_field = src.extra_field ;
file_comment = src.file_comment ;
return *this ;
}
bool EndOfCentralDirectory::checkSignature ( uint32 sig ) const {
return signature == sig ;
}
} // namespace
#endif
/** \file
Header file containing classes and functions for reading the central
directory and local header fields in a zip archive.
*/
/*
Zipios++ - a small C++ library that provides easy access to .zip files.
Copyright (C) 2000 Thomas Søndergaard
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
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