diff options
author | Gibheer <gibheer+git@zero-knowledge.org> | 2021-12-02 17:54:14 +0100 |
---|---|---|
committer | Gibheer <gibheer+git@zero-knowledge.org> | 2021-12-02 17:54:14 +0100 |
commit | fa05045d31c05c8928020f05f1d281901d983b2b (patch) | |
tree | 2ed3bac60302bfb14535a169f4b3e10d18fc6120 /vendor/golang.org/x/sys/unix/syscall_darwin.go | |
parent | 41d4805d584161ca16b8187194385e47c36422a6 (diff) |
cmd/monfront - import monfront from separate repository
This is the import from the separate monfront repository. The history
could not be imported, but this should suffice.
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_darwin.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/syscall_darwin.go | 688 |
1 files changed, 688 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_darwin.go b/vendor/golang.org/x/sys/unix/syscall_darwin.go new file mode 100644 index 0000000..9945e5f --- /dev/null +++ b/vendor/golang.org/x/sys/unix/syscall_darwin.go @@ -0,0 +1,688 @@ +// Copyright 2009,2010 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Darwin system calls. +// This file is compiled as ordinary Go code, +// but it is also input to mksyscall, +// which parses the //sys lines and generates system call stubs. +// Note that sometimes we use a lowercase //sys name and wrap +// it in our own nicer implementation, either here or in +// syscall_bsd.go or syscall_unix.go. + +package unix + +import ( + "runtime" + "syscall" + "unsafe" +) + +// SockaddrDatalink implements the Sockaddr interface for AF_LINK type sockets. +type SockaddrDatalink struct { + Len uint8 + Family uint8 + Index uint16 + Type uint8 + Nlen uint8 + Alen uint8 + Slen uint8 + Data [12]int8 + raw RawSockaddrDatalink +} + +// SockaddrCtl implements the Sockaddr interface for AF_SYSTEM type sockets. +type SockaddrCtl struct { + ID uint32 + Unit uint32 + raw RawSockaddrCtl +} + +func (sa *SockaddrCtl) sockaddr() (unsafe.Pointer, _Socklen, error) { + sa.raw.Sc_len = SizeofSockaddrCtl + sa.raw.Sc_family = AF_SYSTEM + sa.raw.Ss_sysaddr = AF_SYS_CONTROL + sa.raw.Sc_id = sa.ID + sa.raw.Sc_unit = sa.Unit + return unsafe.Pointer(&sa.raw), SizeofSockaddrCtl, nil +} + +func anyToSockaddrGOOS(fd int, rsa *RawSockaddrAny) (Sockaddr, error) { + switch rsa.Addr.Family { + case AF_SYSTEM: + pp := (*RawSockaddrCtl)(unsafe.Pointer(rsa)) + if pp.Ss_sysaddr == AF_SYS_CONTROL { + sa := new(SockaddrCtl) + sa.ID = pp.Sc_id + sa.Unit = pp.Sc_unit + return sa, nil + } + } + return nil, EAFNOSUPPORT +} + +// Some external packages rely on SYS___SYSCTL being defined to implement their +// own sysctl wrappers. Provide it here, even though direct syscalls are no +// longer supported on darwin. +const SYS___SYSCTL = SYS_SYSCTL + +// Translate "kern.hostname" to []_C_int{0,1,2,3}. +func nametomib(name string) (mib []_C_int, err error) { + const siz = unsafe.Sizeof(mib[0]) + + // NOTE(rsc): It seems strange to set the buffer to have + // size CTL_MAXNAME+2 but use only CTL_MAXNAME + // as the size. I don't know why the +2 is here, but the + // kernel uses +2 for its own implementation of this function. + // I am scared that if we don't include the +2 here, the kernel + // will silently write 2 words farther than we specify + // and we'll get memory corruption. + var buf [CTL_MAXNAME + 2]_C_int + n := uintptr(CTL_MAXNAME) * siz + + p := (*byte)(unsafe.Pointer(&buf[0])) + bytes, err := ByteSliceFromString(name) + if err != nil { + return nil, err + } + + // Magic sysctl: "setting" 0.3 to a string name + // lets you read back the array of integers form. + if err = sysctl([]_C_int{0, 3}, p, &n, &bytes[0], uintptr(len(name))); err != nil { + return nil, err + } + return buf[0 : n/siz], nil +} + +func direntIno(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Ino), unsafe.Sizeof(Dirent{}.Ino)) +} + +func direntReclen(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Reclen), unsafe.Sizeof(Dirent{}.Reclen)) +} + +func direntNamlen(buf []byte) (uint64, bool) { + return readInt(buf, unsafe.Offsetof(Dirent{}.Namlen), unsafe.Sizeof(Dirent{}.Namlen)) +} + +func PtraceAttach(pid int) (err error) { return ptrace(PT_ATTACH, pid, 0, 0) } +func PtraceDetach(pid int) (err error) { return ptrace(PT_DETACH, pid, 0, 0) } + +type attrList struct { + bitmapCount uint16 + _ uint16 + CommonAttr uint32 + VolAttr uint32 + DirAttr uint32 + FileAttr uint32 + Forkattr uint32 +} + +//sysnb pipe(p *[2]int32) (err error) + +func Pipe(p []int) (err error) { + if len(p) != 2 { + return EINVAL + } + var x [2]int32 + err = pipe(&x) + p[0] = int(x[0]) + p[1] = int(x[1]) + return +} + +func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { + var _p0 unsafe.Pointer + var bufsize uintptr + if len(buf) > 0 { + _p0 = unsafe.Pointer(&buf[0]) + bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) + } + return getfsstat(_p0, bufsize, flags) +} + +func xattrPointer(dest []byte) *byte { + // It's only when dest is set to NULL that the OS X implementations of + // getxattr() and listxattr() return the current sizes of the named attributes. + // An empty byte array is not sufficient. To maintain the same behaviour as the + // linux implementation, we wrap around the system calls and pass in NULL when + // dest is empty. + var destp *byte + if len(dest) > 0 { + destp = &dest[0] + } + return destp +} + +//sys getxattr(path string, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) + +func Getxattr(path string, attr string, dest []byte) (sz int, err error) { + return getxattr(path, attr, xattrPointer(dest), len(dest), 0, 0) +} + +func Lgetxattr(link string, attr string, dest []byte) (sz int, err error) { + return getxattr(link, attr, xattrPointer(dest), len(dest), 0, XATTR_NOFOLLOW) +} + +//sys fgetxattr(fd int, attr string, dest *byte, size int, position uint32, options int) (sz int, err error) + +func Fgetxattr(fd int, attr string, dest []byte) (sz int, err error) { + return fgetxattr(fd, attr, xattrPointer(dest), len(dest), 0, 0) +} + +//sys setxattr(path string, attr string, data *byte, size int, position uint32, options int) (err error) + +func Setxattr(path string, attr string, data []byte, flags int) (err error) { + // The parameters for the OS X implementation vary slightly compared to the + // linux system call, specifically the position parameter: + // + // linux: + // int setxattr( + // const char *path, + // const char *name, + // const void *value, + // size_t size, + // int flags + // ); + // + // darwin: + // int setxattr( + // const char *path, + // const char *name, + // void *value, + // size_t size, + // u_int32_t position, + // int options + // ); + // + // position specifies the offset within the extended attribute. In the + // current implementation, only the resource fork extended attribute makes + // use of this argument. For all others, position is reserved. We simply + // default to setting it to zero. + return setxattr(path, attr, xattrPointer(data), len(data), 0, flags) +} + +func Lsetxattr(link string, attr string, data []byte, flags int) (err error) { + return setxattr(link, attr, xattrPointer(data), len(data), 0, flags|XATTR_NOFOLLOW) +} + +//sys fsetxattr(fd int, attr string, data *byte, size int, position uint32, options int) (err error) + +func Fsetxattr(fd int, attr string, data []byte, flags int) (err error) { + return fsetxattr(fd, attr, xattrPointer(data), len(data), 0, 0) +} + +//sys removexattr(path string, attr string, options int) (err error) + +func Removexattr(path string, attr string) (err error) { + // We wrap around and explicitly zero out the options provided to the OS X + // implementation of removexattr, we do so for interoperability with the + // linux variant. + return removexattr(path, attr, 0) +} + +func Lremovexattr(link string, attr string) (err error) { + return removexattr(link, attr, XATTR_NOFOLLOW) +} + +//sys fremovexattr(fd int, attr string, options int) (err error) + +func Fremovexattr(fd int, attr string) (err error) { + return fremovexattr(fd, attr, 0) +} + +//sys listxattr(path string, dest *byte, size int, options int) (sz int, err error) + +func Listxattr(path string, dest []byte) (sz int, err error) { + return listxattr(path, xattrPointer(dest), len(dest), 0) +} + +func Llistxattr(link string, dest []byte) (sz int, err error) { + return listxattr(link, xattrPointer(dest), len(dest), XATTR_NOFOLLOW) +} + +//sys flistxattr(fd int, dest *byte, size int, options int) (sz int, err error) + +func Flistxattr(fd int, dest []byte) (sz int, err error) { + return flistxattr(fd, xattrPointer(dest), len(dest), 0) +} + +func setattrlistTimes(path string, times []Timespec, flags int) error { + _p0, err := BytePtrFromString(path) + if err != nil { + return err + } + + var attrList attrList + attrList.bitmapCount = ATTR_BIT_MAP_COUNT + attrList.CommonAttr = ATTR_CMN_MODTIME | ATTR_CMN_ACCTIME + + // order is mtime, atime: the opposite of Chtimes + attributes := [2]Timespec{times[1], times[0]} + options := 0 + if flags&AT_SYMLINK_NOFOLLOW != 0 { + options |= FSOPT_NOFOLLOW + } + return setattrlist( + _p0, + unsafe.Pointer(&attrList), + unsafe.Pointer(&attributes), + unsafe.Sizeof(attributes), + options) +} + +//sys setattrlist(path *byte, list unsafe.Pointer, buf unsafe.Pointer, size uintptr, options int) (err error) + +func utimensat(dirfd int, path string, times *[2]Timespec, flags int) error { + // Darwin doesn't support SYS_UTIMENSAT + return ENOSYS +} + +/* + * Wrapped + */ + +//sys fcntl(fd int, cmd int, arg int) (val int, err error) + +//sys kill(pid int, signum int, posix int) (err error) + +func Kill(pid int, signum syscall.Signal) (err error) { return kill(pid, int(signum), 1) } + +//sys ioctl(fd int, req uint, arg uintptr) (err error) + +func IoctlCtlInfo(fd int, ctlInfo *CtlInfo) error { + err := ioctl(fd, CTLIOCGINFO, uintptr(unsafe.Pointer(ctlInfo))) + runtime.KeepAlive(ctlInfo) + return err +} + +// IfreqMTU is struct ifreq used to get or set a network device's MTU. +type IfreqMTU struct { + Name [IFNAMSIZ]byte + MTU int32 +} + +// IoctlGetIfreqMTU performs the SIOCGIFMTU ioctl operation on fd to get the MTU +// of the network device specified by ifname. +func IoctlGetIfreqMTU(fd int, ifname string) (*IfreqMTU, error) { + var ifreq IfreqMTU + copy(ifreq.Name[:], ifname) + err := ioctl(fd, SIOCGIFMTU, uintptr(unsafe.Pointer(&ifreq))) + return &ifreq, err +} + +// IoctlSetIfreqMTU performs the SIOCSIFMTU ioctl operation on fd to set the MTU +// of the network device specified by ifreq.Name. +func IoctlSetIfreqMTU(fd int, ifreq *IfreqMTU) error { + err := ioctl(fd, SIOCSIFMTU, uintptr(unsafe.Pointer(ifreq))) + runtime.KeepAlive(ifreq) + return err +} + +//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) = SYS_SYSCTL + +func Uname(uname *Utsname) error { + mib := []_C_int{CTL_KERN, KERN_OSTYPE} + n := unsafe.Sizeof(uname.Sysname) + if err := sysctl(mib, &uname.Sysname[0], &n, nil, 0); err != nil { + return err + } + + mib = []_C_int{CTL_KERN, KERN_HOSTNAME} + n = unsafe.Sizeof(uname.Nodename) + if err := sysctl(mib, &uname.Nodename[0], &n, nil, 0); err != nil { + return err + } + + mib = []_C_int{CTL_KERN, KERN_OSRELEASE} + n = unsafe.Sizeof(uname.Release) + if err := sysctl(mib, &uname.Release[0], &n, nil, 0); err != nil { + return err + } + + mib = []_C_int{CTL_KERN, KERN_VERSION} + n = unsafe.Sizeof(uname.Version) + if err := sysctl(mib, &uname.Version[0], &n, nil, 0); err != nil { + return err + } + + // The version might have newlines or tabs in it, convert them to + // spaces. + for i, b := range uname.Version { + if b == '\n' || b == '\t' { + if i == len(uname.Version)-1 { + uname.Version[i] = 0 + } else { + uname.Version[i] = ' ' + } + } + } + + mib = []_C_int{CTL_HW, HW_MACHINE} + n = unsafe.Sizeof(uname.Machine) + if err := sysctl(mib, &uname.Machine[0], &n, nil, 0); err != nil { + return err + } + + return nil +} + +func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { + if raceenabled { + raceReleaseMerge(unsafe.Pointer(&ioSync)) + } + var length = int64(count) + err = sendfile(infd, outfd, *offset, &length, nil, 0) + written = int(length) + return +} + +func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) { + var value IPMreqn + vallen := _Socklen(SizeofIPMreqn) + errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen) + return &value, errno +} + +func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) { + return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq)) +} + +// GetsockoptXucred is a getsockopt wrapper that returns an Xucred struct. +// The usual level and opt are SOL_LOCAL and LOCAL_PEERCRED, respectively. +func GetsockoptXucred(fd, level, opt int) (*Xucred, error) { + x := new(Xucred) + vallen := _Socklen(SizeofXucred) + err := getsockopt(fd, level, opt, unsafe.Pointer(x), &vallen) + return x, err +} + +//sys sendfile(infd int, outfd int, offset int64, len *int64, hdtr unsafe.Pointer, flags int) (err error) + +/* + * Exposed directly + */ +//sys Access(path string, mode uint32) (err error) +//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) +//sys Chdir(path string) (err error) +//sys Chflags(path string, flags int) (err error) +//sys Chmod(path string, mode uint32) (err error) +//sys Chown(path string, uid int, gid int) (err error) +//sys Chroot(path string) (err error) +//sys ClockGettime(clockid int32, time *Timespec) (err error) +//sys Close(fd int) (err error) +//sys Clonefile(src string, dst string, flags int) (err error) +//sys Clonefileat(srcDirfd int, src string, dstDirfd int, dst string, flags int) (err error) +//sys Dup(fd int) (nfd int, err error) +//sys Dup2(from int, to int) (err error) +//sys Exchangedata(path1 string, path2 string, options int) (err error) +//sys Exit(code int) +//sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error) +//sys Fchdir(fd int) (err error) +//sys Fchflags(fd int, flags int) (err error) +//sys Fchmod(fd int, mode uint32) (err error) +//sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error) +//sys Fchown(fd int, uid int, gid int) (err error) +//sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error) +//sys Fclonefileat(srcDirfd int, dstDirfd int, dst string, flags int) (err error) +//sys Flock(fd int, how int) (err error) +//sys Fpathconf(fd int, name int) (val int, err error) +//sys Fsync(fd int) (err error) +//sys Ftruncate(fd int, length int64) (err error) +//sys Getcwd(buf []byte) (n int, err error) +//sys Getdtablesize() (size int) +//sysnb Getegid() (egid int) +//sysnb Geteuid() (uid int) +//sysnb Getgid() (gid int) +//sysnb Getpgid(pid int) (pgid int, err error) +//sysnb Getpgrp() (pgrp int) +//sysnb Getpid() (pid int) +//sysnb Getppid() (ppid int) +//sys Getpriority(which int, who int) (prio int, err error) +//sysnb Getrlimit(which int, lim *Rlimit) (err error) +//sysnb Getrusage(who int, rusage *Rusage) (err error) +//sysnb Getsid(pid int) (sid int, err error) +//sysnb Gettimeofday(tp *Timeval) (err error) +//sysnb Getuid() (uid int) +//sysnb Issetugid() (tainted bool) +//sys Kqueue() (fd int, err error) +//sys Lchown(path string, uid int, gid int) (err error) +//sys Link(path string, link string) (err error) +//sys Linkat(pathfd int, path string, linkfd int, link string, flags int) (err error) +//sys Listen(s int, backlog int) (err error) +//sys Mkdir(path string, mode uint32) (err error) +//sys Mkdirat(dirfd int, path string, mode uint32) (err error) +//sys Mkfifo(path string, mode uint32) (err error) +//sys Mknod(path string, mode uint32, dev int) (err error) +//sys Open(path string, mode int, perm uint32) (fd int, err error) +//sys Openat(dirfd int, path string, mode int, perm uint32) (fd int, err error) +//sys Pathconf(path string, name int) (val int, err error) +//sys Pread(fd int, p []byte, offset int64) (n int, err error) +//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) +//sys read(fd int, p []byte) (n int, err error) +//sys Readlink(path string, buf []byte) (n int, err error) +//sys Readlinkat(dirfd int, path string, buf []byte) (n int, err error) +//sys Rename(from string, to string) (err error) +//sys Renameat(fromfd int, from string, tofd int, to string) (err error) +//sys Revoke(path string) (err error) +//sys Rmdir(path string) (err error) +//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK +//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) +//sys Setegid(egid int) (err error) +//sysnb Seteuid(euid int) (err error) +//sysnb Setgid(gid int) (err error) +//sys Setlogin(name string) (err error) +//sysnb Setpgid(pid int, pgid int) (err error) +//sys Setpriority(which int, who int, prio int) (err error) +//sys Setprivexec(flag int) (err error) +//sysnb Setregid(rgid int, egid int) (err error) +//sysnb Setreuid(ruid int, euid int) (err error) +//sysnb Setrlimit(which int, lim *Rlimit) (err error) +//sysnb Setsid() (pid int, err error) +//sysnb Settimeofday(tp *Timeval) (err error) +//sysnb Setuid(uid int) (err error) +//sys Symlink(path string, link string) (err error) +//sys Symlinkat(oldpath string, newdirfd int, newpath string) (err error) +//sys Sync() (err error) +//sys Truncate(path string, length int64) (err error) +//sys Umask(newmask int) (oldmask int) +//sys Undelete(path string) (err error) +//sys Unlink(path string) (err error) +//sys Unlinkat(dirfd int, path string, flags int) (err error) +//sys Unmount(path string, flags int) (err error) +//sys write(fd int, p []byte) (n int, err error) +//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) +//sys munmap(addr uintptr, length uintptr) (err error) +//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ +//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE + +/* + * Unimplemented + */ +// Profil +// Sigaction +// Sigprocmask +// Getlogin +// Sigpending +// Sigaltstack +// Ioctl +// Reboot +// Execve +// Vfork +// Sbrk +// Sstk +// Ovadvise +// Mincore +// Setitimer +// Swapon +// Select +// Sigsuspend +// Readv +// Writev +// Nfssvc +// Getfh +// Quotactl +// Mount +// Csops +// Waitid +// Add_profil +// Kdebug_trace +// Sigreturn +// Atsocket +// Kqueue_from_portset_np +// Kqueue_portset +// Getattrlist +// Setattrlist +// Getdirentriesattr +// Searchfs +// Delete +// Copyfile +// Watchevent +// Waitevent +// Modwatch +// Fsctl +// Initgroups +// Posix_spawn +// Nfsclnt +// Fhopen +// Minherit +// Semsys +// Msgsys +// Shmsys +// Semctl +// Semget +// Semop +// Msgctl +// Msgget +// Msgsnd +// Msgrcv +// Shmat +// Shmctl +// Shmdt +// Shmget +// Shm_open +// Shm_unlink +// Sem_open +// Sem_close +// Sem_unlink +// Sem_wait +// Sem_trywait +// Sem_post +// Sem_getvalue +// Sem_init +// Sem_destroy +// Open_extended +// Umask_extended +// Stat_extended +// Lstat_extended +// Fstat_extended +// Chmod_extended +// Fchmod_extended +// Access_extended +// Settid +// Gettid +// Setsgroups +// Getsgroups +// Setwgroups +// Getwgroups +// Mkfifo_extended +// Mkdir_extended +// Identitysvc +// Shared_region_check_np +// Shared_region_map_np +// __pthread_mutex_destroy +// __pthread_mutex_init +// __pthread_mutex_lock +// __pthread_mutex_trylock +// __pthread_mutex_unlock +// __pthread_cond_init +// __pthread_cond_destroy +// __pthread_cond_broadcast +// __pthread_cond_signal +// Setsid_with_pid +// __pthread_cond_timedwait +// Aio_fsync +// Aio_return +// Aio_suspend +// Aio_cancel +// Aio_error +// Aio_read +// Aio_write +// Lio_listio +// __pthread_cond_wait +// Iopolicysys +// __pthread_kill +// __pthread_sigmask +// __sigwait +// __disable_threadsignal +// __pthread_markcancel +// __pthread_canceled +// __semwait_signal +// Proc_info +// sendfile +// Stat64_extended +// Lstat64_extended +// Fstat64_extended +// __pthread_chdir +// __pthread_fchdir +// Audit +// Auditon +// Getauid +// Setauid +// Getaudit +// Setaudit +// Getaudit_addr +// Setaudit_addr +// Auditctl +// Bsdthread_create +// Bsdthread_terminate +// Stack_snapshot +// Bsdthread_register +// Workq_open +// Workq_ops +// __mac_execve +// __mac_syscall +// __mac_get_file +// __mac_set_file +// __mac_get_link +// __mac_set_link +// __mac_get_proc +// __mac_set_proc +// __mac_get_fd +// __mac_set_fd +// __mac_get_pid +// __mac_get_lcid +// __mac_get_lctx +// __mac_set_lctx +// Setlcid +// Read_nocancel +// Write_nocancel +// Open_nocancel +// Close_nocancel +// Wait4_nocancel +// Recvmsg_nocancel +// Sendmsg_nocancel +// Recvfrom_nocancel +// Accept_nocancel +// Fcntl_nocancel +// Select_nocancel +// Fsync_nocancel +// Connect_nocancel +// Sigsuspend_nocancel +// Readv_nocancel +// Writev_nocancel +// Sendto_nocancel +// Pread_nocancel +// Pwrite_nocancel +// Waitid_nocancel +// Poll_nocancel +// Msgsnd_nocancel +// Msgrcv_nocancel +// Sem_wait_nocancel +// Aio_suspend_nocancel +// __sigwait_nocancel +// __semwait_signal_nocancel +// __mac_mount +// __mac_get_mount +// __mac_getfsstat |