lookup_plan9.mx raw

   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  	"os"
  10  	"syscall"
  11  )
  12  
  13  // Partial os/user support on Plan 9.
  14  // Supports Current(), but not Lookup()/LookupId().
  15  // The latter two would require parsing /adm/users.
  16  
  17  func init() {
  18  	userImplemented = false
  19  	groupImplemented = false
  20  	groupListImplemented = false
  21  }
  22  
  23  var (
  24  	// unused variables (in this implementation)
  25  	// modified during test to exercise code paths in the cgo implementation.
  26  	userBuffer  = 0
  27  	groupBuffer = 0
  28  )
  29  
  30  func current() (*User, error) {
  31  	ubytes, err := os.ReadFile("/dev/user")
  32  	if err != nil {
  33  		return nil, fmt.Errorf("user: %s", err)
  34  	}
  35  
  36  	uname := string(ubytes)
  37  
  38  	u := &User{
  39  		Uid:      uname,
  40  		Gid:      uname,
  41  		Username: uname,
  42  		Name:     uname,
  43  		HomeDir:  os.Getenv("home"),
  44  	}
  45  
  46  	return u, nil
  47  }
  48  
  49  func lookupUser(username string) (*User, error) {
  50  	return nil, syscall.EPLAN9
  51  }
  52  
  53  func lookupUserId(uid string) (*User, error) {
  54  	return nil, syscall.EPLAN9
  55  }
  56  
  57  func lookupGroup(groupname string) (*Group, error) {
  58  	return nil, syscall.EPLAN9
  59  }
  60  
  61  func lookupGroupId(string) (*Group, error) {
  62  	return nil, syscall.EPLAN9
  63  }
  64  
  65  func listGroups(*User) ([]string, error) {
  66  	return nil, syscall.EPLAN9
  67  }
  68