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Top Forums UNIX for Dummies Questions & Answers silly question .. Post 302159390 by Perderabo on Thursday 17th of January 2008 04:51:23 PM
Old 01-17-2008
vino makes a good point about 8 and at first I decided against posting in this thread. But I guess I will take a shot at this....

First, The Microsoft world and the Unix world have a different view of what an OS is. When Dan Bernstein announced that he was failing his entire security class because they only found 44 Unix security flaws, quite a few Unix folks called "foul". For example, one bug was in Mplayer, an ASF video player. Unix folks tend to not consider a tool like that to be an OS component. But Microsoft folks do. In both OS's the majority of the security flaws are in applications far above the kernel. Both OS's have rather secure kernels. Microsoft possibly brought this on themselves. For example, they have fought in court to have IE (Internet Explorer) as an OS component. But we do not a level playing field here... an IE bug is considered an XP problem while a Firefox or Opera bug is not charged to Unix.

That aside, there is a fundamental Windows security problem. Most Windows users run all the time with administrator privileges. If you try to run as a non-administrator, many application programs will croak. Microsoft has done little to fight this. In contrast, Unix users are strongly encouraged to operate as root only when needed. Very few Unix or Linux users ever surf the web as root. This really helps security a lot. Meanwhile most IE users happily surf the web in admin mode.

I doubt that anyone from Microsoft is reading this. But the number one suggestion I would make to them is to get users out of Admin mode. Applications that only run in admin mode should be considered unsafe and publicly labelled as such. In fact, IE should refuse to connect to the Internet in Admin mode. Media Player should refuse to run at all in Admin mode. And so on. Some security problems will still exist, but the severity of these problems would be greatly reduced.
 

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RARENTRY(3)								 1							       RARENTRY(3)

The RarEntry class

INTRODUCTION
A RAR entry, representing a directory or a compressed file inside a RAR archive. CLASS SYNOPSIS
RarEntry final RarEntry Constants o const integer$RarEntry::HOST_MSDOS0 o const integer$RarEntry::HOST_OS21 o const integer$RarEntry::HOST_WIN322 o const integer$RarEntry::HOST_UNIX3 o const integer$RarEntry::HOST_MACOS4 o const integer$RarEntry::HOST_BEOS5 o const integer$RarEntry::ATTRIBUTE_WIN_READONLY1 o const integer$RarEntry::ATTRIBUTE_WIN_HIDDEN2 o const integer$RarEntry::ATTRIBUTE_WIN_SYSTEM4 o const integer$RarEntry::ATTRIBUTE_WIN_DIRECTORY16 o const integer$RarEntry::ATTRIBUTE_WIN_ARCHIVE32 o const integer$RarEntry::ATTRIBUTE_WIN_DEVICE64 o const integer$RarEntry::ATTRIBUTE_WIN_NORMAL128 o const integer$RarEntry::ATTRIBUTE_WIN_TEMPORARY256 o const integer$RarEntry::ATTRIBUTE_WIN_SPARSE_FILE512 o const integer$RarEntry::ATTRIBUTE_WIN_REPARSE_POINT1024 o const integer$RarEntry::ATTRIBUTE_WIN_COMPRESSED2048 o const integer$RarEntry::ATTRIBUTE_WIN_OFFLINE4096 o const integer$RarEntry::ATTRIBUTE_WIN_NOT_CONTENT_INDEXED8192 o const integer$RarEntry::ATTRIBUTE_WIN_ENCRYPTED16384 o const integer$RarEntry::ATTRIBUTE_WIN_VIRTUAL65536 o const integer$RarEntry::ATTRIBUTE_UNIX_WORLD_EXECUTE1 o const integer$RarEntry::ATTRIBUTE_UNIX_WORLD_WRITE2 o const integer$RarEntry::ATTRIBUTE_UNIX_WORLD_READ4 o const integer$RarEntry::ATTRIBUTE_UNIX_GROUP_EXECUTE8 o const integer$RarEntry::ATTRIBUTE_UNIX_GROUP_WRITE16 o const integer$RarEntry::ATTRIBUTE_UNIX_GROUP_READ32 o const integer$RarEntry::ATTRIBUTE_UNIX_OWNER_EXECUTE64 o const integer$RarEntry::ATTRIBUTE_UNIX_OWNER_WRITE128 o const integer$RarEntry::ATTRIBUTE_UNIX_OWNER_READ256 o const integer$RarEntry::ATTRIBUTE_UNIX_STICKY512 o const integer$RarEntry::ATTRIBUTE_UNIX_SETGID1024 o const integer$RarEntry::ATTRIBUTE_UNIX_SETUID2048 o const integer$RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET61440 o const integer$RarEntry::ATTRIBUTE_UNIX_FIFO4096 o const integer$RarEntry::ATTRIBUTE_UNIX_CHAR_DEV8192 o const integer$RarEntry::ATTRIBUTE_UNIX_DIRECTORY16384 o const integer$RarEntry::ATTRIBUTE_UNIX_BLOCK_DEV24576 o const integer$RarEntry::ATTRIBUTE_UNIX_REGULAR_FILE32768 o const integer$RarEntry::ATTRIBUTE_UNIX_SYM_LINK40960 o const integer$RarEntry::ATTRIBUTE_UNIX_SOCKET49152 Methods o public bool RarEntry::extract (string $dir, [string $filepath = ""], [string $password = NULL], [bool $extended_data = false]) o public int RarEntry::getAttr (void ) o public string RarEntry::getCrc (void ) o public string RarEntry::getFileTime (void ) o public int RarEntry::getHostOs (void ) o public int RarEntry::getMethod (void ) o public string RarEntry::getName (void ) o public int RarEntry::getPackedSize (void ) o public resource RarEntry::getStream ([string $password]) o public int RarEntry::getUnpackedSize (void ) o public int RarEntry::getVersion (void ) o public bool RarEntry::isDirectory (void ) o public bool RarEntry::isEncrypted (void ) o public string RarEntry::__toString (void ) PREDEFINED CONSTANTS
o RarEntry::HOST_MSDOS -If the return value of RarEntry::getHostOs equals this constant, MS-DOS was used to add this entry. Use instead of RAR_HOST_MSDOS. o RarEntry::HOST_OS2 -If the return value of RarEntry::getHostOs equals this constant, OS/2 was used to add this entry. Intended to replace RAR_HOST_OS2. o RarEntry::HOST_WIN32 -If the return value of RarEntry::getHostOs equals this constant, Microsoft Windows was used to add this entry. Intended to replace RAR_HOST_WIN32. o RarEntry::HOST_UNIX -If the return value of RarEntry::getHostOs equals this constant, an unspecified UNIX OS was used to add this entry. Intended to replace RAR_HOST_UNIX. o RarEntry::HOST_MACOS -If the return value of RarEntry::getHostOs equals this constant, Mac OS was used to add this entry. o RarEntry::HOST_BEOS -If the return value of RarEntry::getHostOs equals this constant, BeOS was used to add this entry. Intended to replace RAR_HOST_BEOS. o RarEntry::ATTRIBUTE_WIN_READONLY -Bit that represents a Windows entry with a read-only attribute. To be used with RarEn- try::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_HIDDEN -Bit that represents a Windows entry with a hidden attribute. To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_SYSTEM -Bit that represents a Windows entry with a system attribute. To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_DIRECTORY -Bit that represents a Windows entry with a directory attribute (entry is a directory). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. See also RarEntry::isDirectory, which also works with entries that were not added in WinRAR. o RarEntry::ATTRIBUTE_WIN_ARCHIVE -Bit that represents a Windows entry with an archive attribute. To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_DEVICE -Bit that represents a Windows entry with a device attribute. To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_NORMAL -Bit that represents a Windows entry with a normal file attribute (entry is NOT a directory). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. See also RarEntry::isDirectory, which also works with entries that were not added in WinRAR. o RarEntry::ATTRIBUTE_WIN_TEMPORARY -Bit that represents a Windows entry with a temporary attribute. To be used with RarEn- try::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_SPARSE_FILE -Bit that represents a Windows entry with a sparse file attribute (file is an NTFS sparse file). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_REPARSE_POINT -Bit that represents a Windows entry with a reparse point attribute (entry is an NTFS reparse point, e.g. a directory junction or a mount file system). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_COMPRESSED -Bit that represents a Windows entry with a compressed attribute (NTFS only). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_OFFLINE -Bit that represents a Windows entry with an offline attribute (entry is offline and not accessi- ble). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_NOT_CONTENT_INDEXED -Bit that represents a Windows entry with a not content indexed attribute (entry is to be indexed). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_ENCRYPTED -Bit that represents a Windows entry with an encrypted attribute (NTFS only). To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_WIN_VIRTUAL -Bit that represents a Windows entry with a virtual attribute. To be used with RarEntry::getAttr on entries whose host OS is Microsoft Windows. o RarEntry::ATTRIBUTE_UNIX_WORLD_EXECUTE -Bit that represents a UNIX entry that is world executable. To be used with RarEn- try::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_WORLD_WRITE -Bit that represents a UNIX entry that is world writable. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_WORLD_READ -Bit that represents a UNIX entry that is world readable. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_GROUP_EXECUTE -Bit that represents a UNIX entry that is group executable. To be used with RarEn- try::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_GROUP_WRITE -Bit that represents a UNIX entry that is group writable. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_GROUP_READ -Bit that represents a UNIX entry that is group readable. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_OWNER_EXECUTE -Bit that represents a UNIX entry that is owner executable. To be used with RarEn- try::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_OWNER_WRITE -Bit that represents a UNIX entry that is owner writable. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_OWNER_READ -Bit that represents a UNIX entry that is owner readable. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_STICKY -Bit that represents the UNIX sticky bit. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_SETGID -Bit that represents the UNIX setgid attribute. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_SETUID -Bit that represents the UNIX setuid attribute. To be used with RarEntry::getAttr on entries whose host OS is UNIX. o RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET -Mask to isolate the last four bits (nibble) of UNIX attributes (_S_IFMT, the type of file mask). To be used with RarEntry::getAttr on entries whose host OS is UNIX and with the constants RarEntry::ATTRIBUTE_UNIX_FIFO, RarEntry::ATTRIBUTE_UNIX_CHAR_DEV, RarEntry::ATTRIBUTE_UNIX_DIRECTORY, RarEntry::ATTRIBUTE_UNIX_BLOCK_DEV, RarEn- try::ATTRIBUTE_UNIX_REGULAR_FILE, RarEntry::ATTRIBUTE_UNIX_SYM_LINK and RarEntry::ATTRIBUTE_UNIX_SOCKET. o RarEntry::ATTRIBUTE_UNIX_FIFO -Unix FIFOs will have attributes whose last four bits have this value. To be used with RarEn- try::getAttr on entries whose host OS is UNIX and with the constant RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET. o RarEntry::ATTRIBUTE_UNIX_CHAR_DEV -Unix character devices will have attributes whose last four bits have this value. To be used with RarEntry::getAttr on entries whose host OS is UNIX and with the constant RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET. o RarEntry::ATTRIBUTE_UNIX_DIRECTORY -Unix directories will have attributes whose last four bits have this value. To be used with RarEntry::getAttr on entries whose host OS is UNIX and with the constant RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET. See also RarEn- try::isDirectory, which also works with entries that were added in other operating systems. o RarEntry::ATTRIBUTE_UNIX_BLOCK_DEV -Unix block devices will have attributes whose last four bits have this value. To be used with RarEntry::getAttr on entries whose host OS is UNIX and with the constant RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET. o RarEntry::ATTRIBUTE_UNIX_REGULAR_FILE -Unix regular files (not directories) will have attributes whose last four bits have this value. To be used with RarEntry::getAttr on entries whose host OS is UNIX and with the constant RarEn- try::ATTRIBUTE_UNIX_FINAL_QUARTET. See also RarEntry::isDirectory, which also works with entries that were added in other operat- ing systems. o RarEntry::ATTRIBUTE_UNIX_SYM_LINK -Unix symbolic links will have attributes whose last four bits have this value. To be used with RarEntry::getAttr on entries whose host OS is UNIX and with the constant RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET. o RarEntry::ATTRIBUTE_UNIX_SOCKET -Unix sockets will have attributes whose last four bits have this value. To be used with RarEn- try::getAttr on entries whose host OS is UNIX and with the constant RarEntry::ATTRIBUTE_UNIX_FINAL_QUARTET. PHP Documentation Group RARENTRY(3)
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