1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 This file is part of systemd.
7 Copyright 2010 Lennart Poettering
12 #include <sys/capability.h>
13 #include <sys/types.h>
18 #define CAP_ALL (uint64_t) -1
20 unsigned long cap_last_cap(void);
21 #if 0 /// UNNEEDED by elogind
22 int have_effective_cap(int value);
23 int capability_bounding_set_drop(uint64_t keep, bool right_now);
24 int capability_bounding_set_drop_usermode(uint64_t keep);
26 int capability_ambient_set_apply(uint64_t set, bool also_inherit);
27 int capability_update_inherited_set(cap_t caps, uint64_t ambient_set);
29 int drop_privileges(uid_t uid, gid_t gid, uint64_t keep_capabilities);
31 int drop_capability(cap_value_t cv);
33 DEFINE_TRIVIAL_CLEANUP_FUNC(cap_t, cap_free);
34 #define _cleanup_cap_free_ _cleanup_(cap_freep)
36 static inline void cap_free_charpp(char **p) {
40 #define _cleanup_cap_free_charp_ _cleanup_(cap_free_charpp)
43 static inline bool cap_test_all(uint64_t caps) {
45 m = (UINT64_C(1) << (cap_last_cap() + 1)) - 1;
46 return FLAGS_SET(caps, m);
49 #if 0 /// UNNEEDED by elogind
50 bool ambient_capabilities_supported(void);