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.NoisePrv[:]),
  90                         nncp.ToBase32(nodeOur.NoisePub[:]),
  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   # Omit progress showing by default
 106   # noprogress: true
 107
 108   # Enable notification email sending
 109   # notify: {
 110   #   file: {
 111   #     from: nncp@localhost
 112   #     to: user+file@example.com
 113   #   }
 114   #   freq: {
 115   #     from: nncp@localhost
 116   #     to: user+freq@example.com
 117   #   }
 118   #   # Send some exec commands execution notifications
 119   #   exec: {
 120   #     # bob neighbour's "somehandle" notification
 121   #     bob.somehandle: {
 122   #       from: nncp+bob@localhost
 123   #       to: user+somehandle@example.com
 124   #     }
 125   #     # Any neighboor's "anotherhandle"
 126   #     *.anotherhandle: {
 127   #       from: nncp@localhost
 128   #       to: user+anotherhandle@example.com
 129   #     }
 130   #   }
 131   # }
 132
 133   self: {
 134     # DO NOT show anyone your private keys!!!
 135     id: %s
 136     exchpub: %s
 137     exchprv: %s
 138     signpub: %s
 139     signprv: %s
 140     noiseprv: %s
 141     noisepub: %s
 142   }
 143
 144   neigh: {
 145     self: {
 146       # You should give public keys below to your neighbours
 147       id: %s
 148       exchpub: %s
 149       signpub: %s
 150       noisepub: %s
 151
 152       exec: {
 153         # Default self's sendmail command is used for email notifications sending
 154         sendmail: ["%s"]
 155       }
 156     }
 157
 158     # Example neighbour, most of fields are optional
 159     # alice: {
 160     #   id: XJZBK...65IJQ
 161     #   exchpub: MJACJ...FAI6A
 162     #   signpub: T4AFC...N2FRQ
 163     #   noisepub: UBM5K...VI42A
 164     #
 165     #   # He is allowed to send email
 166     #   # exec: {sendmail: ["%s"]}
 167     #
 168     #   # Allow incoming files saving in that directory
 169     #   # incoming: "/home/alice/incoming"
 170     #
 171     #   # Transitional nodes path
 172     #   # via: ["bob", "eve"]
 173     #
 174     #   # Inactivity timeout when session with remote peer should be terminated
 175     #   # onlinedeadline: 1800
 176     #
 177     #   # Maximal online session lifetime
 178     #   # maxonlinetime: 3600
 179     #
 180     #   # If neither freq section, nor freq.path exist, then no freqing allowed
 181     #   # freq: {
 182     #   #   # Allow freqing from that directory
 183     #   #   path: "/home/bob/pub"
 184     #   #   # Send freqed files with chunks
 185     #   #   # chunked: 1024
 186     #   #   # Send freqed files with minumal chunk size
 187     #   #   # minsize: 2048
 188     #   #   # Maximal allowable freqing file size
 189     #   #   # maxsize: 4096
 190     #   # }
 191     #
 192     #   # Set maximal packets per second receive and transmit rates
 193     #   # rxrate: 10
 194     #   # txrate: 20
 195     #
 196     #   # Address aliases
 197     #   # addrs: {
 198     #   #   lan: "[fe80::1234%%igb0]:5400"
 199     #   #   internet: alice.com:3389
 200     #   # }
 201     #
 202     #   # Calls configuration
 203     #   # calls: [
 204     #   #   {
 205     #   #     cron: "*/2 * * * *"
 206     #   #     onlinedeadline: 1800
 207     #   #     maxonlinetime: 1750
 208     #   #     nice: PRIORITY+10
 209     #   #     rxrate: 10
 210     #   #     txrate: 20
 211     #   #     xx: rx
 212     #   #     addr: lan
 213     #   #   },
 214     #   # ]
 215     # }
 216   }
 217 }`,
 218                         nncp.DefaultSpoolPath,
 219                         nncp.DefaultLogPath,
 220                         nodeOur.Id.String(),
 221                         nncp.ToBase32(nodeOur.ExchPub[:]),
 222                         nncp.ToBase32(nodeOur.ExchPrv[:]),
 223                         nncp.ToBase32(nodeOur.SignPub[:]),
 224                         nncp.ToBase32(nodeOur.SignPrv[:]),
 225                         nncp.ToBase32(nodeOur.NoisePrv[:]),
 226                         nncp.ToBase32(nodeOur.NoisePub[:]),
 227                         nodeOur.Id.String(),
 228                         nncp.ToBase32(nodeOur.ExchPub[:]),
 229                         nncp.ToBase32(nodeOur.SignPub[:]),
 230                         nncp.ToBase32(nodeOur.NoisePub[:]),
 231                         nncp.DefaultSendmailPath,
 232                         nncp.DefaultSendmailPath,
 233                 )
 234         }
 235         if _, err = nncp.CfgParse([]byte(cfgRaw)); err != nil {
 236                 panic(err)
 237         }
 238         fmt.Println(cfgRaw)
 239 }