Mercurial > go > multipass

annotate multipass-checkpassword.go @ 3:ec4ded022025

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Fix checkpassword to actually build.
author Paul Fisher <paul@pfish.zone>
date Sat, 24 Oct 2015 22:36:33 -0400
parents faf4aad86fc9
children b8545eea86b4
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c18bc7b9d1d9 Basic binaries. checkpassword doesn't yet work.
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1 package main
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2
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3 import (
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4 "bufio"
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5 "os"
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6 "os/user"
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7 "syscall"
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8
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9 "pfish.zone/go/multipass/file"
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10 )
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11
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12 const (
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13 InternalError = 111
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14 Failed = 1
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15 )
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16
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17 func main() {
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18 infile := os.NewFile(3, "")
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19 reader := bufio.NewReader(os.Stdin)
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20 username, err := reader.ReadString('\n')
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21 if err != nil {
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22 os.Exit(InternalError)
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23 }
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24 username = username[:len(username)-1]
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25 pass, err := reader.ReadString('\n')
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26 if err != nil {
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27 os.Exit(InternalError)
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28 }
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29 pass = pass[:len(pass)-1]
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30 infile.Close()
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31 passfile, err := file.ForUser(username)
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32 if err != nil {
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33 os.Exit(Failed)
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34 }
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35 success, _ := passfile.Authenticate(pass)
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36 if !success {
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37 os.Exit(Failed)
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38 }
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39 user, err := user.Lookup(username)
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40 if err != nil {
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41 os.Exit(Failed)
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42 }
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43 os.Setenv("userdb_uid", user.Uid)
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44 os.Setenv("userdb_gid", user.Gid)
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45 os.Setenv("EXTRA", "userdb_uid userdb_gid")
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46 environ := []string{
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47 "USER=" + user.Username,
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48 "userdb_uid=" + user.Uid,
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49 "userdb_gid=" + user.Gid,
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50 "HOME=" + user.HomeDir,
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51 "EXTRA=userdb_uid userdb_gid",
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52 }
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53 syscall.Exec(os.Args[1], os.Args[1:], environ)
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54 }