Mercurial > go > multipass

comparison cmds/multipass-checkpassword/checkpassword.go @ 17:342f63116bfd

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Move commands to canonical Go locations, so go install works.
author Paul Fisher <paul@pfish.zone>
date Fri, 30 Oct 2015 00:18:13 -0400
parents multipass-checkpassword.go@4db389f948c9
children
comparison
equal deleted inserted replaced
16:bfc035bd5132 17:342f63116bfd
1 package main
2
3 import (
4 "bufio"
5 "os"
6 "os/user"
7 "syscall"
8
9 "pfish.zone/go/multipass/file"
10 )
11
12 const (
13 InternalError = 111
14 Failed = 1
15 )
16
17 func main() {
18 infile := os.NewFile(3, "")
19 reader := bufio.NewReader(infile)
20 username, err := reader.ReadString(0)
21 if err != nil {
22 os.Exit(InternalError)
23 }
24 username = username[:len(username)-1]
25 pass, err := reader.ReadString(0)
26 if err != nil {
27 os.Exit(InternalError)
28 }
29 pass = pass[:len(pass)-1]
30 infile.Close()
31 passfile, err := file.ForUser(username)
32 if err != nil {
33 os.Exit(Failed)
34 }
35 success, _ := passfile.Authenticate(pass)
36 if !success {
37 os.Exit(Failed)
38 }
39 user, err := user.Lookup(username)
40 if err != nil {
41 os.Exit(Failed)
42 }
43 os.Setenv("USER", user.Username)
44 os.Setenv("HOME", user.HomeDir)
45 os.Setenv("userdb_uid", user.Uid)
46 os.Setenv("userdb_gid", user.Gid)
47 os.Setenv("EXTRA", "userdb_uid userdb_gid")
48 syscall.Exec(os.Args[1], os.Args[1:], os.Environ())
49 }