src/cmd/nncp-cfgnew/main.go

   1 /*
   2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
   3 Copyright (C) 2016-2019 Sergey Matveev <stargrave@stargrave.org>
   4
   5 This program is free software: you can redistribute it and/or modify
   6 it under the terms of the GNU General Public License as published by
   7 the Free Software Foundation, version 3 of the License.
   8
   9 This program is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 GNU General Public License for more details.
  13
  14 You should have received a copy of the GNU General Public License
  15 along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16 */
  17
  18 // Generate new NNCP node keys and configuration file
  19 package main
  20
  21 import (
  22         "flag"
  23         "fmt"
  24         "os"
  25
  26         "go.cypherpunks.ru/nncp/v5"
  27 )
  28
  29 func usage() {
  30         fmt.Fprintf(os.Stderr, nncp.UsageHeader())
  31         fmt.Fprintln(os.Stderr, "nncp-cfgnew -- generate new configuration and keys\nOptions:")
  32         flag.PrintDefaults()
  33 }
  34
  35 func main() {
  36         var (
  37                 noComments = flag.Bool("nocomments", false, "Do not include descriptive comments")
  38                 version    = flag.Bool("version", false, "Print version information")
  39                 warranty   = flag.Bool("warranty", false, "Print warranty information")
  40         )
  41         flag.Usage = usage
  42         flag.Parse()
  43         if *warranty {
  44                 fmt.Println(nncp.Warranty)
  45                 return
  46         }
  47         if *version {
  48                 fmt.Println(nncp.VersionGet())
  49                 return
  50         }
  51         nodeOur, err := nncp.NewNodeGenerate()
  52         if err != nil {
  53                 panic(err)
  54         }
  55         var cfgRaw string
  56         if *noComments {
  57                 cfgRaw = fmt.Sprintf(`{
  58   spool: %s
  59   log: %s
  60
  61   self: {
  62     # DO NOT show anyone your private keys!!!
  63     id: %s
  64     exchpub: %s
  65     exchprv: %s
  66     signpub: %s
  67     signprv: %s
  68     noiseprv: %s
  69     noisepub: %s
  70   }
  71
  72   neigh: {
  73     self: {
  74       id: %s
  75       exchpub: %s
  76       signpub: %s
  77       noisepub: %s
  78       exec: {sendmail: ["%s"]}
  79     }
  80   }
  81 }`,
  82                         nncp.DefaultSpoolPath,
  83                         nncp.DefaultLogPath,
  84                         nodeOur.Id.String(),
  85                         nncp.ToBase32(nodeOur.ExchPub[:]),
  86                         nncp.ToBase32(nodeOur.ExchPrv[:]),
  87                         nncp.ToBase32(nodeOur.SignPub[:]),
  88                         nncp.ToBase32(nodeOur.SignPrv[:]),
  89                         nncp.ToBase32(nodeOur.NoisePub[:]),
  90                         nncp.ToBase32(nodeOur.NoisePrv[:]),
  91                         nodeOur.Id.String(),
  92                         nncp.ToBase32(nodeOur.ExchPub[:]),
  93                         nncp.ToBase32(nodeOur.SignPub[:]),
  94                         nncp.ToBase32(nodeOur.NoisePub[:]),
  95                         nncp.DefaultSendmailPath,
  96                 )
  97         } else {
  98                 cfgRaw = fmt.Sprintf(`{
  99   # Path to encrypted packets spool directory
 100   spool: %s
 101   # Path to log file
 102   log: %s
 103   # Enforce specified umask usage
 104   # umask: "022"
 105
 106   # Enable notification email sending
 107   # notify: {
 108   #   file: {
 109   #     from: nncp@localhost
 110   #     to: user+file@example.com
 111   #   }
 112   #   freq: {
 113   #     from: nncp@localhost
 114   #     to: user+freq@example.com
 115   #   }
 116   # }
 117
 118   self: {
 119     # DO NOT show anyone your private keys!!!
 120     id: %s
 121     exchpub: %s
 122     exchprv: %s
 123     signpub: %s
 124     signprv: %s
 125     noiseprv: %s
 126     noisepub: %s
 127   }
 128
 129   neigh: {
 130     self: {
 131       # You should give public keys below to your neighbours
 132       id: %s
 133       exchpub: %s
 134       signpub: %s
 135       noisepub: %s
 136
 137       exec: {
 138         # Default self's sendmail command is used for email notifications sending
 139         sendmail: ["%s"]
 140       }
 141     }
 142
 143     # Example neighbour, most of fields are optional
 144     # alice: {
 145     #   id: XJZBK...65IJQ
 146     #   exchpub: MJACJ...FAI6A
 147     #   signpub: T4AFC...N2FRQ
 148     #   noisepub: UBM5K...VI42A
 149     #
 150     #   # He is allowed to send email
 151     #   exec: {sendmail: ["/usr/sbin/sendmail"]}
 152     #
 153     #   # Allow incoming files saving in that directory
 154     #   incoming: "/home/alice/incoming"
 155     #
 156     #   # Transitional nodes path
 157     #   via: ["bob", "eve"]
 158     #
 159     #   # Inactivity timeout when session with remote peer should be terminated
 160     #   onlinedeadline: 1800
 161     #
 162     #   # Maximal online session lifetime
 163     #   maxonlinetime: 3600
 164     #
 165     #   # Allow freqing from that directory
 166     #   freq: "/home/bob/pub"
 167     #   # Send freqed files with chunks
 168     #   freqchunked: 1024
 169     #   # Send freqed files with minumal chunk size
 170     #   freqminsize: 2048
 171     #
 172     #   # Set maximal packets per second receive and transmit rates
 173     #   rxrate: 10
 174     #   txrate: 20
 175     #
 176     #   # Address aliases
 177     #   addrs: {
 178     #     lan: "[fe80::1234%%igb0]:5400"
 179     #     internet: alice.com:3389
 180     #   }
 181     #
 182     #   # Calls configuration
 183     #   calls: [
 184     #     {
 185     #       cron: "*/2 * * * *"
 186     #       onlinedeadline: 1800
 187     #       maxonlinetime: 1750
 188     #       nice: PRIORITY+10
 189     #       rxrate: 10
 190     #       txrate: 20
 191     #       xx: rx
 192     #       addr: lan
 193     #     },
 194     #   ]
 195     # }
 196   }
 197 }`,
 198                         nncp.DefaultSpoolPath,
 199                         nncp.DefaultLogPath,
 200                         nodeOur.Id.String(),
 201                         nncp.ToBase32(nodeOur.ExchPub[:]),
 202                         nncp.ToBase32(nodeOur.ExchPrv[:]),
 203                         nncp.ToBase32(nodeOur.SignPub[:]),
 204                         nncp.ToBase32(nodeOur.SignPrv[:]),
 205                         nncp.ToBase32(nodeOur.NoisePub[:]),
 206                         nncp.ToBase32(nodeOur.NoisePrv[:]),
 207                         nodeOur.Id.String(),
 208                         nncp.ToBase32(nodeOur.ExchPub[:]),
 209                         nncp.ToBase32(nodeOur.SignPub[:]),
 210                         nncp.ToBase32(nodeOur.NoisePub[:]),
 211                         nncp.DefaultSendmailPath,
 212                 )
 213         }
 214         if _, err = nncp.CfgParse([]byte(cfgRaw)); err != nil {
 215                 panic(err)
 216         }
 217         fmt.Println(cfgRaw)
 218 }