sys/fuchsia/posix.txt

# Copyright 2017 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.

# This file contains some subset of POSIX/libc calls.
# They should be handled by ulib/fs service rather then by the kernel,
# but still no reason to not fuzz them.

include <sys/types.h>
include <sys/stat.h>
include <sys/file.h>
include <sys/uio.h>
include <fcntl.h>
include <poll.h>
include <unistd.h>
include <utime.h>

resource fd[int32]: 0xffffffffffffffff, AT_FDCWD
resource pid[int32]: 0, 0xffffffffffffffff
resource uid[int32]: 0, 0xffffffffffffffff
resource gid[int32]: 0, 0xffffffffffffffff

open(file ptr[in, filename], flags flags[open_flags], mode flags[open_mode]) fd
openat(fd fd[opt], file ptr[in, filename], flags flags[open_flags], mode flags[open_mode]) fd
creat(file ptr[in, filename], mode flags[open_mode]) fd
close(fd fd)
read(fd fd, buf buffer[out], count len[buf])
readv(fd fd, vec ptr[in, array[iovec_out]], vlen len[vec])
preadv(fd fd, vec ptr[in, array[iovec_out]], vlen len[vec], off fileoff)
write(fd fd, buf buffer[in], count len[buf])
writev(fd fd, vec ptr[in, array[iovec_in]], vlen len[vec])
pwritev(fd fd, vec ptr[in, array[iovec_in]], vlen len[vec], off fileoff)
lseek(fd fd, offset fileoff, whence flags[seek_whence])

dup(oldfd fd) fd
dup2(oldfd fd, newfd fd) fd
dup3(oldfd fd, newfd fd, flags flags[dup_flags]) fd

stat(file ptr[in, filename], statbuf ptr[out, array[int8]])
lstat(file ptr[in, filename], statbuf ptr[out, array[int8]])
fstat(fd fd, statbuf ptr[out, array[int8]])

poll(fds ptr[in, array[pollfd]], nfds len[fds], timeout int32)
ppoll(fds ptr[in, array[pollfd]], nfds len[fds], tsp ptr[in, timespec], sigmask ptr[in, sigset], size len[sigmask])
select(n len[inp], inp ptr[inout, fd_set], outp ptr[inout, fd_set], exp ptr[inout, fd_set], tvp ptr[inout, timeval])

chmod(file ptr[in, filename], mode flags[open_mode])
fchmod(fd fd, mode flags[open_mode])
fchmodat(dirfd fd, file ptr[in, filename], mode flags[open_mode])
chown(file ptr[in, filename], uid uid, gid gid)
lchown(file ptr[in, filename], uid uid, gid gid)
fchown(fd fd, uid uid, gid gid)
fchownat(dirfd fd, file ptr[in, filename], uid uid, gid gid, flags flags[at_flags])
faccessat(dirfd fd, pathname ptr[in, filename], mode flags[open_mode], flags flags[faccessat_flags])
utime(filename ptr[in, filename], times ptr[in, utimbuf])
utimes(filename ptr[in, filename], times ptr[in, itimerval])
utimensat(dir fd, pathname ptr[in, filename], times ptr[in, itimerval], flags flags[utimensat_flags])

link(old ptr[in, filename], new ptr[in, filename])
linkat(oldfd fd, old ptr[in, filename], newfd fd, new ptr[in, filename], flags flags[linkat_flags])
symlinkat(old ptr[in, filename], newfd fd, new ptr[in, filename])
symlink(old ptr[in, filename], new ptr[in, filename])
unlink(path ptr[in, filename])
unlinkat(fd fd, path ptr[in, filename], flags flags[unlinkat_flags])
readlink(path ptr[in, filename], buf buffer[out], siz len[buf])
readlinkat(fd fd, path ptr[in, filename], buf buffer[out], siz len[buf])
rename(old ptr[in, filename], new ptr[in, filename])
renameat(oldfd fd, old ptr[in, filename], newfd fd, new ptr[in, filename])
mkdir(path ptr[in, filename], mode flags[open_mode])
mkdirat(fd fd, path ptr[in, filename], mode flags[open_mode])
rmdir(path ptr[in, filename])
truncate(file ptr[in, filename], len intptr)
ftruncate(fd fd, len intptr)
fsync(fd fd)
fdatasync(fd fd)
sync()
getcwd(buf buffer[out], size len[buf])
chdir(dir ptr[in, filename])

getgid() gid
getuid() uid
getpid() pid

pipe(pipefd ptr[out, pipefd])

pipefd {
	rfd	fd
	wfd	fd
}

open_flags = O_RDONLY, O_WRONLY, O_RDWR, O_APPEND, FASYNC, O_CLOEXEC, O_CREAT, O_DIRECT, O_DIRECTORY, O_EXCL, O_LARGEFILE, O_NOATIME, O_NOCTTY, O_NOFOLLOW, O_NONBLOCK, O_PATH, O_SYNC, O_TRUNC
open_mode = S_IRUSR, S_IWUSR, S_IXUSR, S_IRGRP, S_IWGRP, S_IXGRP, S_IROTH, S_IWOTH, S_IXOTH
seek_whence = SEEK_SET, SEEK_CUR, SEEK_END
dup_flags = O_CLOEXEC
pollfd_events = POLLIN, POLLPRI, POLLOUT, POLLERR, POLLHUP, POLLNVAL, POLLRDNORM, POLLRDBAND, POLLWRNORM, POLLWRBAND, POLLMSG, POLLRDHUP
at_flags = AT_EMPTY_PATH, AT_SYMLINK_NOFOLLOW, AT_SYMLINK_FOLLOW, AT_NO_AUTOMOUNT, AT_EMPTY_PATH
utimensat_flags = 0, AT_SYMLINK_NOFOLLOW
linkat_flags = AT_EMPTY_PATH, AT_SYMLINK_FOLLOW
unlinkat_flags = 0, AT_REMOVEDIR
faccessat_flags = 0x100, 0x200, 0x400, 0x800, 0x1000

iovec_in {
	addr	buffer[in]
	len	len[addr, intptr]
}

iovec_out {
	addr	buffer[out]
	len	len[addr, intptr]
}

sigset {
	mask	int64
}

fd_set {
	mask0	int64
	mask1	int64
	mask2	int64
	mask3	int64
	mask4	int64
	mask5	int64
	mask6	int64
	mask7	int64
}

pollfd {
	fd	fd
	events	flags[pollfd_events, int16]
	revents	const[0, int16]
}

timespec {
	sec	intptr
	nsec	intptr
}

timeval {
	sec	intptr
	usec	intptr
}

utimbuf {
	actime	intptr
	modtime	intptr
}

itimerval {
	interv	timeval
	value	timeval
}