]> Cypherpunks.ru repositories - nncp.git/blob - src/cypherpunks.ru/nncp/cmd/nncp-cfgmin/main.go
More readable news source code's listing
[nncp.git] / src / cypherpunks.ru / nncp / cmd / nncp-cfgmin / main.go
1 /*
2 NNCP -- Node to Node copy, utilities for store-and-forward data exchange
3 Copyright (C) 2016-2017 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, either version 3 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program.  If not, see <http://www.gnu.org/licenses/>.
17 */
18
19 // Stripped NNCP configuration file.
20 package main
21
22 import (
23         "flag"
24         "fmt"
25         "io/ioutil"
26         "log"
27         "os"
28
29         "cypherpunks.ru/nncp"
30         "gopkg.in/yaml.v2"
31 )
32
33 func usage() {
34         fmt.Fprintf(os.Stderr, nncp.UsageHeader())
35         fmt.Fprintln(os.Stderr, "nncp-cfgmin -- print stripped configuration\n")
36         fmt.Fprintf(os.Stderr, "Usage: %s [options]\nOptions:\n", os.Args[0])
37         flag.PrintDefaults()
38 }
39
40 func main() {
41         var (
42                 cfgPath  = flag.String("cfg", nncp.DefaultCfgPath, "Path to configuration file")
43                 version  = flag.Bool("version", false, "Print version information")
44                 warranty = flag.Bool("warranty", false, "Print warranty information")
45         )
46         flag.Usage = usage
47         flag.Parse()
48         if *warranty {
49                 fmt.Println(nncp.Warranty)
50                 return
51         }
52         if *version {
53                 fmt.Println(nncp.VersionGet())
54                 return
55         }
56
57         cfgRaw, err := ioutil.ReadFile(nncp.CfgPathFromEnv(cfgPath))
58         if err != nil {
59                 log.Fatalln("Can not read config:", err)
60         }
61         ctx, err := nncp.CfgParse(cfgRaw)
62         if err != nil {
63                 log.Fatalln("Can not parse config:", err)
64         }
65
66         cfg := nncp.CfgYAML{
67                 Spool: ctx.Spool,
68                 Log:   ctx.LogPath,
69                 Neigh: make(map[string]nncp.NodeYAML),
70         }
71         for _, node := range ctx.Neigh {
72                 var noisePub *string
73                 if node.NoisePub != nil {
74                         np := nncp.ToBase32(node.NoisePub[:])
75                         noisePub = &np
76                 }
77                 cfg.Neigh[node.Name] = nncp.NodeYAML{
78                         Id:       node.Id.String(),
79                         ExchPub:  nncp.ToBase32(node.ExchPub[:]),
80                         SignPub:  nncp.ToBase32(node.SignPub[:]),
81                         NoisePub: noisePub,
82                 }
83         }
84         raw, err := yaml.Marshal(&cfg)
85         if err != nil {
86                 panic(err)
87         }
88         fmt.Print(string(raw))
89 }