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e16a7d8f3b
`et` means `expandtab`. ```sh rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\) et\(.*\) :vi/vi: \1 xoet\2:vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)noet\(.*\):vi/vi: \1et\2 :vi/' rg 'vi: .* :vi' -l -0 | \ xargs -0 sed -i '' 's/vi: \(.*\)xoet\(.*\):vi/vi: \1noet\2:vi/' ```
48 lines
3.1 KiB
C
48 lines
3.1 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/calls/landlock.h"
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#include "libc/intrin/strace.internal.h"
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int sys_landlock_add_rule(int, enum landlock_rule_type, const void *, uint32_t);
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/**
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* Adds new rule to Landlock ruleset.
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*
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* @error ENOSYS if Landlock isn't supported
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* @error EPERM if Landlock supported but SECCOMP BPF shut it down
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* @error EOPNOTSUPP if Landlock supported but disabled at boot time
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* @error EINVAL if flags not 0, or inconsistent access in the rule,
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* i.e. landlock_path_beneath_attr::allowed_access is not a subset
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* of the ruleset handled accesses
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* @error ENOMSG empty allowed_access
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* @error EBADF `fd` is not a file descriptor for current thread, or
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* member of `rule_attr` is not a file descriptor as expected
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* @error EBADFD `fd` is not a ruleset file descriptor, or a member
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* of `rule_attr` is not the expected file descriptor type
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* @error EPERM `fd` has no write access to the underlying ruleset
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* @error EFAULT `rule_attr` inconsistency
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*/
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int landlock_add_rule(int fd, enum landlock_rule_type rule_type,
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const void *rule_attr, uint32_t flags) {
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int rc;
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rc = sys_landlock_add_rule(fd, rule_type, rule_attr, flags);
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KERNTRACE("landlock_add_rule(%d, %d, %p, %#x) → %d% m", fd, rule_type,
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rule_attr, flags, rc);
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return rc;
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}
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