From 4fbe7358c7747a9165f776eb19addbb9baf7def2 Mon Sep 17 00:00:00 2001 From: Samuel Thibault Date: Sat, 27 Jul 2013 22:07:53 +0000 Subject: rename libdde_linux26 into libdde-linux26 to make dpkg-source happy --- .../contrib/include/linux/securebits.h | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 libdde-linux26/libdde_linux26/contrib/include/linux/securebits.h (limited to 'libdde-linux26/libdde_linux26/contrib/include/linux/securebits.h') diff --git a/libdde-linux26/libdde_linux26/contrib/include/linux/securebits.h b/libdde-linux26/libdde_linux26/contrib/include/linux/securebits.h new file mode 100644 index 00000000..d2c5ed84 --- /dev/null +++ b/libdde-linux26/libdde_linux26/contrib/include/linux/securebits.h @@ -0,0 +1,42 @@ +#ifndef _LINUX_SECUREBITS_H +#define _LINUX_SECUREBITS_H 1 + +#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 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 */ + +/* 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 */ -- cgit v1.2.3