1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
package main
import (
"github.com/jessevdk/go-flags"
"log"
"os"
"time"
)
type Options struct {
Verbose bool `long:"verbose" short:"v"`
Interface string `long:"interface" short:"i" value-name:"IFACE" description:"Use address from interface"`
InterfaceFamily Family `long:"interface-family"`
Server string `long:"server" value-name:"HOST[:PORT]"`
Timeout time.Duration `long:"timeout" value-name:"DURATION" default:"10s"`
TSIGName string `long:"tsig-name"`
TSIGSecret string `long:"tsig-secret" env:"TSIG_SECRET"`
TSIGAlgorithm TSIGAlgorithm `long:"tsig-algorithm" default:"hmac-sha1."`
Zone string `long:"zone" description:"Zone to update"`
TTL int `long:"ttl" default:"60"`
Args struct {
Name string `description:"DNS Name to update"`
} `positional-args:"yes"`
}
func main() {
var options Options
if _, err := flags.Parse(&options); err != nil {
log.Fatalf("flags.Parse: %v", err)
os.Exit(1)
}
var update = Update{
ttl: options.TTL,
timeout: options.Timeout,
}
if err := update.Init(options.Args.Name, options.Zone, options.Server); err != nil {
log.Fatalf("init: %v", err)
}
if options.TSIGSecret != "" {
var name = options.TSIGName
if name == "" {
name = options.Args.Name
}
log.Printf("using TSIG: %v (algo=%v)", name, options.TSIGAlgorithm)
update.InitTSIG(name, options.TSIGSecret, options.TSIGAlgorithm)
}
// addrs
var addrs = new(AddrSet)
if options.Interface == "" {
} else if err := addrs.ScanInterface(options.Interface, options.InterfaceFamily); err != nil {
log.Fatalf("addrs scan: %v", err)
}
// update
if err := update.Update(addrs, options.Verbose); err != nil {
log.Fatalf("update: %v", err)
} else {
log.Printf("update: ok")
}
}
|
