diff options
Diffstat (limited to 'include/linux/securebits.h')
| -rw-r--r-- | include/linux/securebits.h | 51 | 
1 files changed, 2 insertions, 49 deletions
diff --git a/include/linux/securebits.h b/include/linux/securebits.h index 33406174cbe..da1b33b33af 100644 --- a/include/linux/securebits.h +++ b/include/linux/securebits.h @@ -1,54 +1,7 @@  #ifndef _LINUX_SECUREBITS_H  #define _LINUX_SECUREBITS_H 1 -/* Each securesetting is implemented using two bits. One bit specifies -   whether the setting is on or off. The other bit specify whether the -   setting is locked or not. A setting which is locked cannot be -   changed from user-level. */ -#define issecure_mask(X)	(1 << (X)) -#ifdef __KERNEL__ -#define issecure(X)		(issecure_mask(X) & current_cred_xxx(securebits)) -#endif - -#define SECUREBITS_DEFAULT 0x00000000 - -/* 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 effective (legacy) bit of the -   executable file. */ -#define SECURE_NOROOT			0 -#define SECURE_NOROOT_LOCKED		1  /* make bit-0 immutable */ - -#define SECBIT_NOROOT		(issecure_mask(SECURE_NOROOT)) -#define SECBIT_NOROOT_LOCKED	(issecure_mask(SECURE_NOROOT_LOCKED)) - -/* When set, setuid to/from uid 0 does not trigger capability-"fixup". -   When unset, to provide compatiblility with old programs relying on -   set*uid to gain/lose privilege, transitions to/from uid 0 cause -   capabilities to be gained/lost. */ -#define SECURE_NO_SETUID_FIXUP		2 -#define SECURE_NO_SETUID_FIXUP_LOCKED	3  /* make bit-2 immutable */ - -#define SECBIT_NO_SETUID_FIXUP	(issecure_mask(SECURE_NO_SETUID_FIXUP)) -#define SECBIT_NO_SETUID_FIXUP_LOCKED \ -			(issecure_mask(SECURE_NO_SETUID_FIXUP_LOCKED)) - -/* When set, a process can retain its capabilities even after -   transitioning to a non-root user (the set-uid fixup suppressed by -   bit 2). Bit-4 is cleared when a process calls exec(); setting both -   bit 4 and 5 will create a barrier through exec that no exec()'d -   child can use this feature again. */ -#define SECURE_KEEP_CAPS		4 -#define SECURE_KEEP_CAPS_LOCKED		5  /* make bit-4 immutable */ - -#define SECBIT_KEEP_CAPS	(issecure_mask(SECURE_KEEP_CAPS)) -#define SECBIT_KEEP_CAPS_LOCKED (issecure_mask(SECURE_KEEP_CAPS_LOCKED)) - -#define SECURE_ALL_BITS		(issecure_mask(SECURE_NOROOT) | \ -				 issecure_mask(SECURE_NO_SETUID_FIXUP) | \ -				 issecure_mask(SECURE_KEEP_CAPS)) -#define SECURE_ALL_LOCKS	(SECURE_ALL_BITS << 1) +#include <uapi/linux/securebits.h> +#define issecure(X)		(issecure_mask(X) & current_cred_xxx(securebits))  #endif /* !_LINUX_SECUREBITS_H */  |