home *** CD-ROM | disk | FTP | other *** search
/ PC World Komputer 2010 April / PCWorld0410.iso / hity wydania / Ubuntu 9.10 PL / karmelkowy-koliberek-desktop-9.10-i386-PL.iso / casper / filesystem.squashfs / usr / include / linux / personality.h < prev    next >
C/C++ Source or Header  |  2009-10-16  |  2KB  |  69 lines
  1. #ifndef _LINUX_PERSONALITY_H
  2. #define _LINUX_PERSONALITY_H
  3.  
  4.  
  5. /*
  6.  * Flags for bug emulation.
  7.  *
  8.  * These occupy the top three bytes.
  9.  */
  10. enum {
  11.     ADDR_NO_RANDOMIZE =     0x0040000,    /* disable randomization of VA space */
  12.     FDPIC_FUNCPTRS =    0x0080000,    /* userspace function ptrs point to descriptors
  13.                          * (signal handling)
  14.                          */
  15.     MMAP_PAGE_ZERO =    0x0100000,
  16.     ADDR_COMPAT_LAYOUT =    0x0200000,
  17.     READ_IMPLIES_EXEC =    0x0400000,
  18.     ADDR_LIMIT_32BIT =    0x0800000,
  19.     SHORT_INODE =        0x1000000,
  20.     WHOLE_SECONDS =        0x2000000,
  21.     STICKY_TIMEOUTS    =    0x4000000,
  22.     ADDR_LIMIT_3GB =     0x8000000,
  23. };
  24.  
  25. /*
  26.  * Security-relevant compatibility flags that must be
  27.  * cleared upon setuid or setgid exec:
  28.  */
  29. #define PER_CLEAR_ON_SETID (READ_IMPLIES_EXEC  | \
  30.                 ADDR_NO_RANDOMIZE  | \
  31.                 ADDR_COMPAT_LAYOUT | \
  32.                 MMAP_PAGE_ZERO)
  33.  
  34. /*
  35.  * Personality types.
  36.  *
  37.  * These go in the low byte.  Avoid using the top bit, it will
  38.  * conflict with error returns.
  39.  */
  40. enum {
  41.     PER_LINUX =        0x0000,
  42.     PER_LINUX_32BIT =    0x0000 | ADDR_LIMIT_32BIT,
  43.     PER_LINUX_FDPIC =    0x0000 | FDPIC_FUNCPTRS,
  44.     PER_SVR4 =        0x0001 | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
  45.     PER_SVR3 =        0x0002 | STICKY_TIMEOUTS | SHORT_INODE,
  46.     PER_SCOSVR3 =        0x0003 | STICKY_TIMEOUTS |
  47.                      WHOLE_SECONDS | SHORT_INODE,
  48.     PER_OSR5 =        0x0003 | STICKY_TIMEOUTS | WHOLE_SECONDS,
  49.     PER_WYSEV386 =        0x0004 | STICKY_TIMEOUTS | SHORT_INODE,
  50.     PER_ISCR4 =        0x0005 | STICKY_TIMEOUTS,
  51.     PER_BSD =        0x0006,
  52.     PER_SUNOS =        0x0006 | STICKY_TIMEOUTS,
  53.     PER_XENIX =        0x0007 | STICKY_TIMEOUTS | SHORT_INODE,
  54.     PER_LINUX32 =        0x0008,
  55.     PER_LINUX32_3GB =    0x0008 | ADDR_LIMIT_3GB,
  56.     PER_IRIX32 =        0x0009 | STICKY_TIMEOUTS,/* IRIX5 32-bit */
  57.     PER_IRIXN32 =        0x000a | STICKY_TIMEOUTS,/* IRIX6 new 32-bit */
  58.     PER_IRIX64 =        0x000b | STICKY_TIMEOUTS,/* IRIX6 64-bit */
  59.     PER_RISCOS =        0x000c,
  60.     PER_SOLARIS =        0x000d | STICKY_TIMEOUTS,
  61.     PER_UW7 =        0x000e | STICKY_TIMEOUTS | MMAP_PAGE_ZERO,
  62.     PER_OSF4 =        0x000f,             /* OSF/1 v4 */
  63.     PER_HPUX =        0x0010,
  64.     PER_MASK =        0x00ff,
  65. };
  66.  
  67.  
  68. #endif /* _LINUX_PERSONALITY_H */
  69.