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#ifndef _LINUX_SECUREBITS_H
#define _LINUX_SECUREBITS_H 1
 
#define SECUREBITS_DEFAULT 0x00000000
 
extern unsigned securebits;
 
/* When set UID 0 has no special privileges. When unset, we support
   inheritance of root-permissions and suid-root executable under
   compatibility mode. We raise the effective and inheritable bitmasks
   *of the executable file* if the effective uid of the new process is
   0. If the real uid is 0, we raise the inheritable bitmask of the
   executable file. */
#define SECURE_NOROOT            0
 
/* When set, setuid to/from uid 0 does not trigger capability-"fixes"
   to be compatible with old programs relying on set*uid to loose
   privileges. When unset, setuid doesn't change privileges. */
#define SECURE_NO_SETUID_FIXUP   2
 
/* Each securesetting is implemented using two bits. One bit specify
   whether the setting is on or off. The other bit specify whether the
   setting is fixed or not. A setting which is fixed cannot be changed
   from user-level. */
 
#define issecure(X) ( (1 << (X+1)) & SECUREBITS_DEFAULT ? 	\
		      (1 << (X)) & SECUREBITS_DEFAULT :		\
		      (1 << (X)) & securebits )
 
#endif /* !_LINUX_SECUREBITS_H */