blob: 5b0617840fa465cd9d92f00a738838e98ca4c08a [file] [log] [blame]
#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. */
/* 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. */
/* 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 )
#endif /* !_LINUX_SECUREBITS_H */