cosmopolitan/libc/calls/landlock.h
Justine Tunney fa20edc44d
Reduce header complexity
- Remove most __ASSEMBLER__ __LINKER__ ifdefs
- Rename libc/intrin/bits.h to libc/serialize.h
- Block pthread cancelation in fchmodat() polyfill
- Remove `clang-format off` statements in third_party
2023-11-28 14:39:42 -08:00

61 lines
1.8 KiB
C

#ifndef COSMOPOLITAN_LIBC_CALLS_LANDLOCK_H_
#define COSMOPOLITAN_LIBC_CALLS_LANDLOCK_H_
#define LANDLOCK_CREATE_RULESET_VERSION 0x0001ul
#define LANDLOCK_ACCESS_FS_EXECUTE 0x0001ul
#define LANDLOCK_ACCESS_FS_WRITE_FILE 0x0002ul
#define LANDLOCK_ACCESS_FS_READ_FILE 0x0004ul
#define LANDLOCK_ACCESS_FS_READ_DIR 0x0008ul
#define LANDLOCK_ACCESS_FS_REMOVE_DIR 0x0010ul
#define LANDLOCK_ACCESS_FS_REMOVE_FILE 0x0020ul
#define LANDLOCK_ACCESS_FS_MAKE_CHAR 0x0040ul
#define LANDLOCK_ACCESS_FS_MAKE_DIR 0x0080ul
#define LANDLOCK_ACCESS_FS_MAKE_REG 0x0100ul
#define LANDLOCK_ACCESS_FS_MAKE_SOCK 0x0200ul
#define LANDLOCK_ACCESS_FS_MAKE_FIFO 0x0400ul
#define LANDLOCK_ACCESS_FS_MAKE_BLOCK 0x0800ul
#define LANDLOCK_ACCESS_FS_MAKE_SYM 0x1000ul
/**
* Allow renaming or linking file to a different directory.
*
* @see https://lore.kernel.org/r/20220329125117.1393824-8-mic@digikod.net
* @see https://docs.kernel.org/userspace-api/landlock.html
* @note ABI 2+
*/
#define LANDLOCK_ACCESS_FS_REFER 0x2000ul
/**
* Control file truncation.
*
* @see
* https://lore.kernel.org/all/20221018182216.301684-1-gnoack3000@gmail.com/
* @see https://docs.kernel.org/userspace-api/landlock.html
* @note ABI 3+
*/
#define LANDLOCK_ACCESS_FS_TRUNCATE 0x4000ul
COSMOPOLITAN_C_START_
enum landlock_rule_type {
LANDLOCK_RULE_PATH_BENEATH = 1,
};
struct landlock_ruleset_attr {
uint64_t handled_access_fs;
};
struct thatispacked landlock_path_beneath_attr {
uint64_t allowed_access;
int32_t parent_fd;
};
int landlock_restrict_self(int, uint32_t);
int landlock_add_rule(int, enum landlock_rule_type, const void *, uint32_t);
int landlock_create_ruleset(const struct landlock_ruleset_attr *, size_t,
uint32_t);
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_CALLS_LANDLOCK_H_ */