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Add support for specifying an authorization identity on the command line
author Guido Berhoerster <guido+sievemgr@berhoerster.name>
date Wed, 17 Feb 2021 07:50:55 +0100
parents d14d93d011d7
children
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0cd5a454dfb4 Add README file
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1 // Copyright (C) 2020 Guido Berhoerster <guido+sievemgr@berhoerster.name>
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2 //
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3 // Permission is hereby granted, free of charge, to any person obtaining
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4 // a copy of this software and associated documentation files (the
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5 // "Software"), to deal in the Software without restriction, including
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6 // without limitation the rights to use, copy, modify, merge, publish,
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7 // distribute, sublicense, and/or sell copies of the Software, and to
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8 // permit persons to whom the Software is furnished to do so, subject to
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9 // the following conditions:
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10 //
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11 // The above copyright notice and this permission notice shall be included
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12 // in all copies or substantial portions of the Software.
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13 //
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14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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17 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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18 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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19 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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20 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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21
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22 package main
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23
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24 import (
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25 "crypto/tls"
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26 "fmt"
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27 "net"
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28
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29 "go.guido-berhoerster.org/managesieve"
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30 )
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31
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32 func init() {
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33 cmdInfo.Flag.StringVar(&acctName, "a", "", "Select the account")
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34 cmdInfo.Flag.StringVar(&authzID, "A", "", "Specify the authorization identity")
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35 }
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36
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37 var cmdInfo = &command{
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38 UsageLine: "info [options]",
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39 Run: runInfo,
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40 }
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41
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42 func runInfo(cmd *command, args []string) error {
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43 if len(args) != 0 {
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44 return usageError("invalid number of arguments")
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45 }
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46
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47 acct, err := getAccount(&conf, acctName)
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48 if err != nil {
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49 return err
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50 }
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51
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52 if err := lookupHostPort(acct); err != nil {
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53 return err
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54 }
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55
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56 if err := readPassword(acct); err != nil {
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57 return err
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58 }
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59
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60 // dialPlainAuth() is not used here so that SASL mechanisms can be
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61 // determined before authentication
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62 c, err := managesieve.Dial(net.JoinHostPort(acct.Host, acct.Port))
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63 if err != nil {
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64 return fmt.Errorf("failed to connect: %s", err)
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65 }
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66
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67 // switch to a TLS connection except for localhost
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68 if acct.Host != "localhost" && acct.Host != "127.0.0.1" &&
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69 acct.Host != "::1" {
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70 tlsConf := &tls.Config{
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71 ServerName: acct.Host,
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72 InsecureSkipVerify: acct.Insecure,
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73 }
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74 if err := c.StartTLS(tlsConf); err != nil {
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75 return fmt.Errorf("failed to start TLS connection: %s",
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76 err)
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77 }
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78 }
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79 saslMechs := c.SASLMechanisms()
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80
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81 auth := managesieve.PlainAuth(authzID, acct.User, acct.Password, acct.Host)
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82 if err := c.Authenticate(auth); err != nil {
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83 return fmt.Errorf("failed to authenticate user %s: %s",
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84 acct.User, err)
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85 }
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86 defer c.Logout()
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87
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88 fmt.Printf("%s (%s)\n", net.JoinHostPort(acct.Host, acct.Port),
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89 c.Implementation())
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90 if c.SupportsRFC5804() {
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91 fmt.Println("RFC5804 supported")
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92 }
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93 if c.SupportsTLS() {
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94 fmt.Println("STARTTLS supported")
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95 }
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96 fmt.Printf("SASL mechanisms:\n")
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97 for _, m := range saslMechs {
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98 fmt.Printf(" %s\n", m)
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99 }
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100 fmt.Printf("Extensions:\n")
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101 for _, e := range c.Extensions() {
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102 fmt.Printf(" %s\n", e)
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103 }
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104 fmt.Printf("Notification methods:\n")
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105 for _, m := range c.NotifyMethods() {
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106 fmt.Printf(" %s\n", m)
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107 }
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108
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109 return nil
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110 }