1 // Copyright 2013 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 package user 6 7 import ( 8 "fmt" 9 "io/ioutil" 10 "os" 11 "syscall" 12 ) 13 14 // Partial os/user support on Plan 9. 15 // Supports Current(), but not Lookup()/LookupId(). 16 // The latter two would require parsing /adm/users. 17 const ( 18 userFile = "/dev/user" 19 ) 20 21 func init() { 22 groupImplemented = false 23 } 24 25 func current() (*User, error) { 26 ubytes, err := ioutil.ReadFile(userFile) 27 if err != nil { 28 return nil, fmt.Errorf("user: %s", err) 29 } 30 31 uname := string(ubytes) 32 33 u := &User{ 34 Uid: uname, 35 Gid: uname, 36 Username: uname, 37 Name: uname, 38 HomeDir: os.Getenv("home"), 39 } 40 41 return u, nil 42 } 43 44 func lookupUser(username string) (*User, error) { 45 return nil, syscall.EPLAN9 46 } 47 48 func lookupUserId(uid string) (*User, error) { 49 return nil, syscall.EPLAN9 50 } 51 52 func lookupGroup(groupname string) (*Group, error) { 53 return nil, syscall.EPLAN9 54 } 55 56 func lookupGroupId(string) (*Group, error) { 57 return nil, syscall.EPLAN9 58 } 59 60 func listGroups(*User) ([]string, error) { 61 return nil, syscall.EPLAN9 62 } 63
