493 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			493 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | // 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. | ||
|  | 
 | ||
|  | // NetBSD 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 ( | ||
|  | 	"syscall" | ||
|  | 	"unsafe" | ||
|  | ) | ||
|  | 
 | ||
|  | type SockaddrDatalink struct { | ||
|  | 	Len    uint8 | ||
|  | 	Family uint8 | ||
|  | 	Index  uint16 | ||
|  | 	Type   uint8 | ||
|  | 	Nlen   uint8 | ||
|  | 	Alen   uint8 | ||
|  | 	Slen   uint8 | ||
|  | 	Data   [12]int8 | ||
|  | 	raw    RawSockaddrDatalink | ||
|  | } | ||
|  | 
 | ||
|  | func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) | ||
|  | 
 | ||
|  | func sysctlNodes(mib []_C_int) (nodes []Sysctlnode, err error) { | ||
|  | 	var olen uintptr | ||
|  | 
 | ||
|  | 	// Get a list of all sysctl nodes below the given MIB by performing | ||
|  | 	// a sysctl for the given MIB with CTL_QUERY appended. | ||
|  | 	mib = append(mib, CTL_QUERY) | ||
|  | 	qnode := Sysctlnode{Flags: SYSCTL_VERS_1} | ||
|  | 	qp := (*byte)(unsafe.Pointer(&qnode)) | ||
|  | 	sz := unsafe.Sizeof(qnode) | ||
|  | 	if err = sysctl(mib, nil, &olen, qp, sz); err != nil { | ||
|  | 		return nil, err | ||
|  | 	} | ||
|  | 
 | ||
|  | 	// Now that we know the size, get the actual nodes. | ||
|  | 	nodes = make([]Sysctlnode, olen/sz) | ||
|  | 	np := (*byte)(unsafe.Pointer(&nodes[0])) | ||
|  | 	if err = sysctl(mib, np, &olen, qp, sz); err != nil { | ||
|  | 		return nil, err | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return nodes, nil | ||
|  | } | ||
|  | 
 | ||
|  | func nametomib(name string) (mib []_C_int, err error) { | ||
|  | 
 | ||
|  | 	// Split name into components. | ||
|  | 	var parts []string | ||
|  | 	last := 0 | ||
|  | 	for i := 0; i < len(name); i++ { | ||
|  | 		if name[i] == '.' { | ||
|  | 			parts = append(parts, name[last:i]) | ||
|  | 			last = i + 1 | ||
|  | 		} | ||
|  | 	} | ||
|  | 	parts = append(parts, name[last:]) | ||
|  | 
 | ||
|  | 	// Discover the nodes and construct the MIB OID. | ||
|  | 	for partno, part := range parts { | ||
|  | 		nodes, err := sysctlNodes(mib) | ||
|  | 		if err != nil { | ||
|  | 			return nil, err | ||
|  | 		} | ||
|  | 		for _, node := range nodes { | ||
|  | 			n := make([]byte, 0) | ||
|  | 			for i := range node.Name { | ||
|  | 				if node.Name[i] != 0 { | ||
|  | 					n = append(n, byte(node.Name[i])) | ||
|  | 				} | ||
|  | 			} | ||
|  | 			if string(n) == part { | ||
|  | 				mib = append(mib, _C_int(node.Num)) | ||
|  | 				break | ||
|  | 			} | ||
|  | 		} | ||
|  | 		if len(mib) != partno+1 { | ||
|  | 			return nil, EINVAL | ||
|  | 		} | ||
|  | 	} | ||
|  | 
 | ||
|  | 	return mib, nil | ||
|  | } | ||
|  | 
 | ||
|  | // ParseDirent parses up to max directory entries in buf, | ||
|  | // appending the names to names. It returns the number | ||
|  | // bytes consumed from buf, the number of entries added | ||
|  | // to names, and the new names slice. | ||
|  | func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { | ||
|  | 	origlen := len(buf) | ||
|  | 	for max != 0 && len(buf) > 0 { | ||
|  | 		dirent := (*Dirent)(unsafe.Pointer(&buf[0])) | ||
|  | 		if dirent.Reclen == 0 { | ||
|  | 			buf = nil | ||
|  | 			break | ||
|  | 		} | ||
|  | 		buf = buf[dirent.Reclen:] | ||
|  | 		if dirent.Fileno == 0 { // File absent in directory. | ||
|  | 			continue | ||
|  | 		} | ||
|  | 		bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) | ||
|  | 		var name = string(bytes[0:dirent.Namlen]) | ||
|  | 		if name == "." || name == ".." { // Useless names | ||
|  | 			continue | ||
|  | 		} | ||
|  | 		max-- | ||
|  | 		count++ | ||
|  | 		names = append(names, name) | ||
|  | 	} | ||
|  | 	return origlen - len(buf), count, names | ||
|  | } | ||
|  | 
 | ||
|  | //sysnb pipe() (fd1 int, fd2 int, err error) | ||
|  | func Pipe(p []int) (err error) { | ||
|  | 	if len(p) != 2 { | ||
|  | 		return EINVAL | ||
|  | 	} | ||
|  | 	p[0], p[1], err = pipe() | ||
|  | 	return | ||
|  | } | ||
|  | 
 | ||
|  | //sys getdents(fd int, buf []byte) (n int, err error) | ||
|  | func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { | ||
|  | 	return getdents(fd, buf) | ||
|  | } | ||
|  | 
 | ||
|  | // TODO | ||
|  | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { | ||
|  | 	return -1, ENOSYS | ||
|  | } | ||
|  | 
 | ||
|  | /* | ||
|  |  * 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	Close(fd int) (err error) | ||
|  | //sys	Dup(fd int) (nfd int, err error) | ||
|  | //sys	Dup2(from int, to int) (err error) | ||
|  | //sys	Exit(code int) | ||
|  | //sys	Fchdir(fd int) (err error) | ||
|  | //sys	Fchflags(fd int, flags int) (err error) | ||
|  | //sys	Fchmod(fd int, mode uint32) (err error) | ||
|  | //sys	Fchown(fd int, uid int, gid int) (err error) | ||
|  | //sys	Flock(fd int, how int) (err error) | ||
|  | //sys	Fpathconf(fd int, name int) (val int, err error) | ||
|  | //sys	Fstat(fd int, stat *Stat_t) (err error) | ||
|  | //sys	Fsync(fd int) (err error) | ||
|  | //sys	Ftruncate(fd int, length int64) (err error) | ||
|  | //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(tv *Timeval) (err error) | ||
|  | //sysnb	Getuid() (uid int) | ||
|  | //sys	Issetugid() (tainted bool) | ||
|  | //sys	Kill(pid int, signum syscall.Signal) (err error) | ||
|  | //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	Listen(s int, backlog int) (err error) | ||
|  | //sys	Lstat(path string, stat *Stat_t) (err error) | ||
|  | //sys	Mkdir(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	Mlock(b []byte) (err error) | ||
|  | //sys	Mlockall(flags int) (err error) | ||
|  | //sys	Mprotect(b []byte, prot int) (err error) | ||
|  | //sys	Munlock(b []byte) (err error) | ||
|  | //sys	Munlockall() (err error) | ||
|  | //sys	Nanosleep(time *Timespec, leftover *Timespec) (err error) | ||
|  | //sys	Open(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	Rename(from string, 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(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) | ||
|  | //sysnb	Setegid(egid int) (err error) | ||
|  | //sysnb	Seteuid(euid int) (err error) | ||
|  | //sysnb	Setgid(gid int) (err error) | ||
|  | //sysnb	Setpgid(pid int, pgid int) (err error) | ||
|  | //sys	Setpriority(which int, who int, prio 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	Stat(path string, stat *Stat_t) (err error) | ||
|  | //sys	Symlink(path string, link string) (err error) | ||
|  | //sys	Sync() (err error) | ||
|  | //sys	Truncate(path string, length int64) (err error) | ||
|  | //sys	Umask(newmask int) (oldmask int) | ||
|  | //sys	Unlink(path string) (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 | ||
|  |  */ | ||
|  | // ____semctl13 | ||
|  | // __clone | ||
|  | // __fhopen40 | ||
|  | // __fhstat40 | ||
|  | // __fhstatvfs140 | ||
|  | // __fstat30 | ||
|  | // __getcwd | ||
|  | // __getfh30 | ||
|  | // __getlogin | ||
|  | // __lstat30 | ||
|  | // __mount50 | ||
|  | // __msgctl13 | ||
|  | // __msync13 | ||
|  | // __ntp_gettime30 | ||
|  | // __posix_chown | ||
|  | // __posix_fadvise50 | ||
|  | // __posix_fchown | ||
|  | // __posix_lchown | ||
|  | // __posix_rename | ||
|  | // __setlogin | ||
|  | // __shmctl13 | ||
|  | // __sigaction_sigtramp | ||
|  | // __sigaltstack14 | ||
|  | // __sigpending14 | ||
|  | // __sigprocmask14 | ||
|  | // __sigsuspend14 | ||
|  | // __sigtimedwait | ||
|  | // __stat30 | ||
|  | // __syscall | ||
|  | // __vfork14 | ||
|  | // _ksem_close | ||
|  | // _ksem_destroy | ||
|  | // _ksem_getvalue | ||
|  | // _ksem_init | ||
|  | // _ksem_open | ||
|  | // _ksem_post | ||
|  | // _ksem_trywait | ||
|  | // _ksem_unlink | ||
|  | // _ksem_wait | ||
|  | // _lwp_continue | ||
|  | // _lwp_create | ||
|  | // _lwp_ctl | ||
|  | // _lwp_detach | ||
|  | // _lwp_exit | ||
|  | // _lwp_getname | ||
|  | // _lwp_getprivate | ||
|  | // _lwp_kill | ||
|  | // _lwp_park | ||
|  | // _lwp_self | ||
|  | // _lwp_setname | ||
|  | // _lwp_setprivate | ||
|  | // _lwp_suspend | ||
|  | // _lwp_unpark | ||
|  | // _lwp_unpark_all | ||
|  | // _lwp_wait | ||
|  | // _lwp_wakeup | ||
|  | // _pset_bind | ||
|  | // _sched_getaffinity | ||
|  | // _sched_getparam | ||
|  | // _sched_setaffinity | ||
|  | // _sched_setparam | ||
|  | // acct | ||
|  | // aio_cancel | ||
|  | // aio_error | ||
|  | // aio_fsync | ||
|  | // aio_read | ||
|  | // aio_return | ||
|  | // aio_suspend | ||
|  | // aio_write | ||
|  | // break | ||
|  | // clock_getres | ||
|  | // clock_gettime | ||
|  | // clock_settime | ||
|  | // compat_09_ogetdomainname | ||
|  | // compat_09_osetdomainname | ||
|  | // compat_09_ouname | ||
|  | // compat_10_omsgsys | ||
|  | // compat_10_osemsys | ||
|  | // compat_10_oshmsys | ||
|  | // compat_12_fstat12 | ||
|  | // compat_12_getdirentries | ||
|  | // compat_12_lstat12 | ||
|  | // compat_12_msync | ||
|  | // compat_12_oreboot | ||
|  | // compat_12_oswapon | ||
|  | // compat_12_stat12 | ||
|  | // compat_13_sigaction13 | ||
|  | // compat_13_sigaltstack13 | ||
|  | // compat_13_sigpending13 | ||
|  | // compat_13_sigprocmask13 | ||
|  | // compat_13_sigreturn13 | ||
|  | // compat_13_sigsuspend13 | ||
|  | // compat_14___semctl | ||
|  | // compat_14_msgctl | ||
|  | // compat_14_shmctl | ||
|  | // compat_16___sigaction14 | ||
|  | // compat_16___sigreturn14 | ||
|  | // compat_20_fhstatfs | ||
|  | // compat_20_fstatfs | ||
|  | // compat_20_getfsstat | ||
|  | // compat_20_statfs | ||
|  | // compat_30___fhstat30 | ||
|  | // compat_30___fstat13 | ||
|  | // compat_30___lstat13 | ||
|  | // compat_30___stat13 | ||
|  | // compat_30_fhopen | ||
|  | // compat_30_fhstat | ||
|  | // compat_30_fhstatvfs1 | ||
|  | // compat_30_getdents | ||
|  | // compat_30_getfh | ||
|  | // compat_30_ntp_gettime | ||
|  | // compat_30_socket | ||
|  | // compat_40_mount | ||
|  | // compat_43_fstat43 | ||
|  | // compat_43_lstat43 | ||
|  | // compat_43_oaccept | ||
|  | // compat_43_ocreat | ||
|  | // compat_43_oftruncate | ||
|  | // compat_43_ogetdirentries | ||
|  | // compat_43_ogetdtablesize | ||
|  | // compat_43_ogethostid | ||
|  | // compat_43_ogethostname | ||
|  | // compat_43_ogetkerninfo | ||
|  | // compat_43_ogetpagesize | ||
|  | // compat_43_ogetpeername | ||
|  | // compat_43_ogetrlimit | ||
|  | // compat_43_ogetsockname | ||
|  | // compat_43_okillpg | ||
|  | // compat_43_olseek | ||
|  | // compat_43_ommap | ||
|  | // compat_43_oquota | ||
|  | // compat_43_orecv | ||
|  | // compat_43_orecvfrom | ||
|  | // compat_43_orecvmsg | ||
|  | // compat_43_osend | ||
|  | // compat_43_osendmsg | ||
|  | // compat_43_osethostid | ||
|  | // compat_43_osethostname | ||
|  | // compat_43_osetrlimit | ||
|  | // compat_43_osigblock | ||
|  | // compat_43_osigsetmask | ||
|  | // compat_43_osigstack | ||
|  | // compat_43_osigvec | ||
|  | // compat_43_otruncate | ||
|  | // compat_43_owait | ||
|  | // compat_43_stat43 | ||
|  | // execve | ||
|  | // extattr_delete_fd | ||
|  | // extattr_delete_file | ||
|  | // extattr_delete_link | ||
|  | // extattr_get_fd | ||
|  | // extattr_get_file | ||
|  | // extattr_get_link | ||
|  | // extattr_list_fd | ||
|  | // extattr_list_file | ||
|  | // extattr_list_link | ||
|  | // extattr_set_fd | ||
|  | // extattr_set_file | ||
|  | // extattr_set_link | ||
|  | // extattrctl | ||
|  | // fchroot | ||
|  | // fdatasync | ||
|  | // fgetxattr | ||
|  | // fktrace | ||
|  | // flistxattr | ||
|  | // fork | ||
|  | // fremovexattr | ||
|  | // fsetxattr | ||
|  | // fstatvfs1 | ||
|  | // fsync_range | ||
|  | // getcontext | ||
|  | // getitimer | ||
|  | // getvfsstat | ||
|  | // getxattr | ||
|  | // ioctl | ||
|  | // ktrace | ||
|  | // lchflags | ||
|  | // lchmod | ||
|  | // lfs_bmapv | ||
|  | // lfs_markv | ||
|  | // lfs_segclean | ||
|  | // lfs_segwait | ||
|  | // lgetxattr | ||
|  | // lio_listio | ||
|  | // listxattr | ||
|  | // llistxattr | ||
|  | // lremovexattr | ||
|  | // lseek | ||
|  | // lsetxattr | ||
|  | // lutimes | ||
|  | // madvise | ||
|  | // mincore | ||
|  | // minherit | ||
|  | // modctl | ||
|  | // mq_close | ||
|  | // mq_getattr | ||
|  | // mq_notify | ||
|  | // mq_open | ||
|  | // mq_receive | ||
|  | // mq_send | ||
|  | // mq_setattr | ||
|  | // mq_timedreceive | ||
|  | // mq_timedsend | ||
|  | // mq_unlink | ||
|  | // mremap | ||
|  | // msgget | ||
|  | // msgrcv | ||
|  | // msgsnd | ||
|  | // nfssvc | ||
|  | // ntp_adjtime | ||
|  | // pmc_control | ||
|  | // pmc_get_info | ||
|  | // poll | ||
|  | // pollts | ||
|  | // preadv | ||
|  | // profil | ||
|  | // pselect | ||
|  | // pset_assign | ||
|  | // pset_create | ||
|  | // pset_destroy | ||
|  | // ptrace | ||
|  | // pwritev | ||
|  | // quotactl | ||
|  | // rasctl | ||
|  | // readv | ||
|  | // reboot | ||
|  | // removexattr | ||
|  | // sa_enable | ||
|  | // sa_preempt | ||
|  | // sa_register | ||
|  | // sa_setconcurrency | ||
|  | // sa_stacks | ||
|  | // sa_yield | ||
|  | // sbrk | ||
|  | // sched_yield | ||
|  | // semconfig | ||
|  | // semget | ||
|  | // semop | ||
|  | // setcontext | ||
|  | // setitimer | ||
|  | // setxattr | ||
|  | // shmat | ||
|  | // shmdt | ||
|  | // shmget | ||
|  | // sstk | ||
|  | // statvfs1 | ||
|  | // swapctl | ||
|  | // sysarch | ||
|  | // syscall | ||
|  | // timer_create | ||
|  | // timer_delete | ||
|  | // timer_getoverrun | ||
|  | // timer_gettime | ||
|  | // timer_settime | ||
|  | // undelete | ||
|  | // utrace | ||
|  | // uuidgen | ||
|  | // vadvise | ||
|  | // vfork | ||
|  | // writev |