usb-ks

USB Killswitch
git clone git://git.laack.co/usb-ks.git
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syscall_linux_arm64.go (6641B)

      1 // Copyright 2015 The Go Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style
      3 // license that can be found in the LICENSE file.
      4 
      5 //go:build arm64 && linux
      6 // +build arm64,linux
      7 
      8 package unix
      9 
     10 import "unsafe"
     11 
     12 //sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT
     13 //sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
     14 //sys	Fchown(fd int, uid int, gid int) (err error)
     15 //sys	Fstat(fd int, stat *Stat_t) (err error)
     16 //sys	Fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
     17 //sys	Fstatfs(fd int, buf *Statfs_t) (err error)
     18 //sys	Ftruncate(fd int, length int64) (err error)
     19 //sysnb	Getegid() (egid int)
     20 //sysnb	Geteuid() (euid int)
     21 //sysnb	Getgid() (gid int)
     22 //sysnb	getrlimit(resource int, rlim *Rlimit) (err error)
     23 //sysnb	Getuid() (uid int)
     24 //sys	Listen(s int, n int) (err error)
     25 //sys	MemfdSecret(flags int) (fd int, err error)
     26 //sys	pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
     27 //sys	pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
     28 //sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
     29 //sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
     30 
     31 func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
     32 	var ts *Timespec
     33 	if timeout != nil {
     34 		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
     35 	}
     36 	return Pselect(nfd, r, w, e, ts, nil)
     37 }
     38 
     39 //sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
     40 //sys	setfsgid(gid int) (prev int, err error)
     41 //sys	setfsuid(uid int) (prev int, err error)
     42 //sysnb	Setregid(rgid int, egid int) (err error)
     43 //sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
     44 //sysnb	Setresuid(ruid int, euid int, suid int) (err error)
     45 //sysnb	setrlimit(resource int, rlim *Rlimit) (err error)
     46 //sysnb	Setreuid(ruid int, euid int) (err error)
     47 //sys	Shutdown(fd int, how int) (err error)
     48 //sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
     49 
     50 func Stat(path string, stat *Stat_t) (err error) {
     51 	return Fstatat(AT_FDCWD, path, stat, 0)
     52 }
     53 
     54 func Lchown(path string, uid int, gid int) (err error) {
     55 	return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW)
     56 }
     57 
     58 func Lstat(path string, stat *Stat_t) (err error) {
     59 	return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW)
     60 }
     61 
     62 //sys	Statfs(path string, buf *Statfs_t) (err error)
     63 //sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
     64 //sys	Truncate(path string, length int64) (err error)
     65 
     66 func Ustat(dev int, ubuf *Ustat_t) (err error) {
     67 	return ENOSYS
     68 }
     69 
     70 //sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
     71 //sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
     72 //sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
     73 //sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
     74 //sysnb	setgroups(n int, list *_Gid_t) (err error)
     75 //sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
     76 //sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
     77 //sysnb	socket(domain int, typ int, proto int) (fd int, err error)
     78 //sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
     79 //sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
     80 //sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
     81 //sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
     82 //sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
     83 //sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
     84 //sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
     85 //sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
     86 
     87 //sysnb	Gettimeofday(tv *Timeval) (err error)
     88 
     89 func setTimespec(sec, nsec int64) Timespec {
     90 	return Timespec{Sec: sec, Nsec: nsec}
     91 }
     92 
     93 func setTimeval(sec, usec int64) Timeval {
     94 	return Timeval{Sec: sec, Usec: usec}
     95 }
     96 
     97 func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) {
     98 	if tv == nil {
     99 		return utimensat(dirfd, path, nil, 0)
    100 	}
    101 
    102 	ts := []Timespec{
    103 		NsecToTimespec(TimevalToNsec(tv[0])),
    104 		NsecToTimespec(TimevalToNsec(tv[1])),
    105 	}
    106 	return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
    107 }
    108 
    109 func Time(t *Time_t) (Time_t, error) {
    110 	var tv Timeval
    111 	err := Gettimeofday(&tv)
    112 	if err != nil {
    113 		return 0, err
    114 	}
    115 	if t != nil {
    116 		*t = Time_t(tv.Sec)
    117 	}
    118 	return Time_t(tv.Sec), nil
    119 }
    120 
    121 func Utime(path string, buf *Utimbuf) error {
    122 	tv := []Timeval{
    123 		{Sec: buf.Actime},
    124 		{Sec: buf.Modtime},
    125 	}
    126 	return Utimes(path, tv)
    127 }
    128 
    129 func utimes(path string, tv *[2]Timeval) (err error) {
    130 	if tv == nil {
    131 		return utimensat(AT_FDCWD, path, nil, 0)
    132 	}
    133 
    134 	ts := []Timespec{
    135 		NsecToTimespec(TimevalToNsec(tv[0])),
    136 		NsecToTimespec(TimevalToNsec(tv[1])),
    137 	}
    138 	return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
    139 }
    140 
    141 // Getrlimit prefers the prlimit64 system call. See issue 38604.
    142 func Getrlimit(resource int, rlim *Rlimit) error {
    143 	err := Prlimit(0, resource, nil, rlim)
    144 	if err != ENOSYS {
    145 		return err
    146 	}
    147 	return getrlimit(resource, rlim)
    148 }
    149 
    150 // Setrlimit prefers the prlimit64 system call. See issue 38604.
    151 func Setrlimit(resource int, rlim *Rlimit) error {
    152 	err := Prlimit(0, resource, rlim, nil)
    153 	if err != ENOSYS {
    154 		return err
    155 	}
    156 	return setrlimit(resource, rlim)
    157 }
    158 
    159 func (r *PtraceRegs) PC() uint64 { return r.Pc }
    160 
    161 func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc }
    162 
    163 func (iov *Iovec) SetLen(length int) {
    164 	iov.Len = uint64(length)
    165 }
    166 
    167 func (msghdr *Msghdr) SetControllen(length int) {
    168 	msghdr.Controllen = uint64(length)
    169 }
    170 
    171 func (msghdr *Msghdr) SetIovlen(length int) {
    172 	msghdr.Iovlen = uint64(length)
    173 }
    174 
    175 func (cmsg *Cmsghdr) SetLen(length int) {
    176 	cmsg.Len = uint64(length)
    177 }
    178 
    179 func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) {
    180 	rsa.Service_name_len = uint64(length)
    181 }
    182 
    183 func Pause() error {
    184 	_, err := ppoll(nil, 0, nil, nil)
    185 	return err
    186 }
    187 
    188 //sys	kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error)
    189 
    190 func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error {
    191 	cmdlineLen := len(cmdline)
    192 	if cmdlineLen > 0 {
    193 		// Account for the additional NULL byte added by
    194 		// BytePtrFromString in kexecFileLoad. The kexec_file_load
    195 		// syscall expects a NULL-terminated string.
    196 		cmdlineLen++
    197 	}
    198 	return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags)
    199 }