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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 */