diff options
author | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-29 19:15:32 -0200 |
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committer | Marcelo Tosatti <mtosatti@redhat.com> | 2012-10-29 19:15:32 -0200 |
commit | 19bf7f8ac3f8131100027281c495dbbe00cd5ae0 (patch) | |
tree | 270b97e3ca47c0f62a1babca2ae37f79a76a309c /include/linux/securebits.h | |
parent | 787c57c0fb393fe8a3974d300ddcfe30373386fe (diff) | |
parent | 35fd3dc58da675d659513384221349ef90749a01 (diff) |
Merge remote-tracking branch 'master' into queue
Merge reason: development work has dependency on kvm patches merged
upstream.
Conflicts:
arch/powerpc/include/asm/Kbuild
arch/powerpc/include/asm/kvm_para.h
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
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 */ |