diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-20 17:35:06 -0400 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2017-05-20 17:35:06 -0400 |
commit | f2f1f2472c5efc541bd53f51289ad58a86fa2d41 (patch) | |
tree | 42807ddc64ab0672744c716d9f952e5673762b9d /src/libsystemd-basic/include/systemd-basic/capability-util.h | |
parent | 3eed542bbc10978aa0b68a39dd3619edf7a7d90b (diff) |
./tools/notsd-move
Diffstat (limited to 'src/libsystemd-basic/include/systemd-basic/capability-util.h')
-rw-r--r-- | src/libsystemd-basic/include/systemd-basic/capability-util.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/libsystemd-basic/include/systemd-basic/capability-util.h b/src/libsystemd-basic/include/systemd-basic/capability-util.h new file mode 100644 index 0000000000..35a896e229 --- /dev/null +++ b/src/libsystemd-basic/include/systemd-basic/capability-util.h @@ -0,0 +1,57 @@ +#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; +} |