diff options
Diffstat (limited to 'src/basic/securebits.h')
| -rw-r--r-- | src/basic/securebits.h | 45 |
1 files changed, 0 insertions, 45 deletions
diff --git a/src/basic/securebits.h b/src/basic/securebits.h deleted file mode 100644 index 98fbe0d433..0000000000 --- a/src/basic/securebits.h +++ /dev/null @@ -1,45 +0,0 @@ -#ifndef _LINUX_SECUREBITS_H -#define _LINUX_SECUREBITS_H 1 - -/* This is minimal version of Linux' linux/securebits.h header file, - * which is licensed GPL2 */ - -#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 */ - -/* When set, setuid to/from uid 0 does not trigger capability-"fixup". - When unset, to provide compatibility 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 */ - -/* 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 */ - -/* 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)) -#define issecure(X) (issecure_mask(X) & current_cred_xxx(securebits)) - -#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) - -#endif /* !_LINUX_SECUREBITS_H */ |