#pragma once /*** This file is part of systemd. Copyright 2010 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdbool.h> #include <stdint.h> #include <sys/capability.h> #include <sys/types.h> #include "macro.h" #include "util.h" #define CAP_ALL (uint64_t) -1 unsigned long cap_last_cap(void); int have_effective_cap(int value); int capability_bounding_set_drop(uint64_t keep, bool right_now); int capability_bounding_set_drop_usermode(uint64_t keep); int capability_ambient_set_apply(uint64_t set, bool also_inherit); int capability_update_inherited_set(cap_t caps, uint64_t ambient_set); int drop_privileges(uid_t uid, gid_t gid, uint64_t keep_capabilities); int drop_capability(cap_value_t cv); DEFINE_TRIVIAL_CLEANUP_FUNC(cap_t, cap_free); #define _cleanup_cap_free_ _cleanup_(cap_freep) static inline void cap_free_charpp(char **p) { if (*p) cap_free(*p); } #define _cleanup_cap_free_charp_ _cleanup_(cap_free_charpp) static inline bool cap_test_all(uint64_t caps) { uint64_t m; m = (UINT64_C(1) << (cap_last_cap() + 1)) - 1; return (caps & m) == m; }