X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;ds=sidebyside;f=src%2Fbasic%2Fcapability-util.h;fp=src%2Fbasic%2Fcapability-util.h;h=4eb5c2a835d60c55a4395682943e546e86e6593f;hb=b96ed50e3493103d075ff2ce4c3fbad8f26b2e22;hp=0000000000000000000000000000000000000000;hpb=7684d7642ed3e667bfeb03abec840e394f8fed35;p=elogind.git diff --git a/src/basic/capability-util.h b/src/basic/capability-util.h new file mode 100644 index 000000000..4eb5c2a83 --- /dev/null +++ b/src/basic/capability-util.h @@ -0,0 +1,45 @@ +/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ + +#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 . +***/ + +#include +#include + +#include "util.h" + +unsigned long cap_last_cap(void); +int have_effective_cap(int value); +int capability_bounding_set_drop(uint64_t drop, bool right_now); +int capability_bounding_set_drop_usermode(uint64_t drop); + +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)