src/cmd/nncp-check/main.go

   1 /*
   2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
   3 Copyright (C) 2016-2021 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 // Verify NNCP Rx/Tx packets checksum.
  19 package main
  20
  21 import (
  22         "flag"
  23         "fmt"
  24         "log"
  25         "os"
  26         "path/filepath"
  27
  28         "go.cypherpunks.ru/nncp/v5"
  29 )
  30
  31 func usage() {
  32         fmt.Fprintf(os.Stderr, nncp.UsageHeader())
  33         fmt.Fprintf(os.Stderr, "nncp-check -- verify Rx/Tx packets checksum\n\n")
  34         fmt.Fprintf(os.Stderr, "Usage: %s [-nock] [options]\nOptions:\n", os.Args[0])
  35         flag.PrintDefaults()
  36 }
  37
  38 func main() {
  39         var (
  40                 nock      = flag.Bool("nock", false, "Process .nock files")
  41                 cfgPath   = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
  42                 nodeRaw   = flag.String("node", "", "Process only that node")
  43                 spoolPath = flag.String("spool", "", "Override path to spool")
  44                 logPath   = flag.String("log", "", "Override path to logfile")
  45                 quiet     = flag.Bool("quiet", false, "Print only errors")
  46                 showPrgrs = flag.Bool("progress", false, "Force progress showing")
  47                 omitPrgrs = flag.Bool("noprogress", false, "Omit progress showing")
  48                 debug     = flag.Bool("debug", false, "Print debug messages")
  49                 version   = flag.Bool("version", false, "Print version information")
  50                 warranty  = flag.Bool("warranty", false, "Print warranty information")
  51         )
  52         flag.Usage = usage
  53         flag.Parse()
  54         if *warranty {
  55                 fmt.Println(nncp.Warranty)
  56                 return
  57         }
  58         if *version {
  59                 fmt.Println(nncp.VersionGet())
  60                 return
  61         }
  62
  63         ctx, err := nncp.CtxFromCmdline(
  64                 *cfgPath,
  65                 *spoolPath,
  66                 *logPath,
  67                 *quiet,
  68                 *showPrgrs,
  69                 *omitPrgrs,
  70                 *debug,
  71         )
  72         if err != nil {
  73                 log.Fatalln("Error during initialization:", err)
  74         }
  75         ctx.Umask()
  76
  77         var nodeOnly *nncp.Node
  78         if *nodeRaw != "" {
  79                 nodeOnly, err = ctx.FindNode(*nodeRaw)
  80                 if err != nil {
  81                         log.Fatalln("Invalid -node specified:", err)
  82                 }
  83         }
  84
  85         isBad := false
  86         for nodeId, node := range ctx.Neigh {
  87                 if nodeOnly != nil && nodeId != *nodeOnly.Id {
  88                         continue
  89                 }
  90                 if *nock {
  91                         for job := range ctx.JobsNoCK(node.Id) {
  92                                 if _, err = ctx.CheckNoCK(node.Id, job.HshValue); err != nil {
  93                                         pktName := nncp.Base32Codec.EncodeToString(job.HshValue[:])
  94                                         log.Println(filepath.Join(
  95                                                 ctx.Spool,
  96                                                 nodeId.String(),
  97                                                 string(nncp.TRx),
  98                                                 pktName+nncp.NoCKSuffix,
  99                                         ), err)
 100                                         isBad = true
 101                                 }
 102                         }
 103                 } else if !ctx.Check(node.Id) {
 104                         isBad = true
 105                 }
 106         }
 107         if isBad {
 108                 os.Exit(1)
 109         }
 110 }