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git.ipfire.org Git - thirdparty/systemd.git/blob - src/basic/capability-util.h
1 /* SPDX-License-Identifier: LGPL-2.1+ */
6 #include <sys/capability.h>
12 #define CAP_ALL (uint64_t) -1
14 unsigned long cap_last_cap(void);
15 int have_effective_cap(int value
);
16 int capability_bounding_set_drop(uint64_t keep
, bool right_now
);
17 int capability_bounding_set_drop_usermode(uint64_t keep
);
19 int capability_ambient_set_apply(uint64_t set
, bool also_inherit
);
20 int capability_update_inherited_set(cap_t caps
, uint64_t ambient_set
);
22 int drop_privileges(uid_t uid
, gid_t gid
, uint64_t keep_capabilities
);
24 int drop_capability(cap_value_t cv
);
26 DEFINE_TRIVIAL_CLEANUP_FUNC(cap_t
, cap_free
);
27 #define _cleanup_cap_free_ _cleanup_(cap_freep)
29 static inline void cap_free_charpp(char **p
) {
33 #define _cleanup_cap_free_charp_ _cleanup_(cap_free_charpp)
35 static inline bool cap_test_all(uint64_t caps
) {
37 m
= (UINT64_C(1) << (cap_last_cap() + 1)) - 1;
38 return FLAGS_SET(caps
, m
);
41 bool ambient_capabilities_supported(void);