blob: 4d75c99f8ab2c0b062c43cfc5f0927a165526786 (
plain) (
blame)
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
|
package rewrite
import (
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
clog "github.com/coredns/coredns/plugin/pkg/log"
"github.com/mholt/caddy"
)
var log = clog.NewWithPlugin("rewrite")
func init() {
caddy.RegisterPlugin("rewrite", caddy.Plugin{
ServerType: "dns",
Action: setup,
})
}
func setup(c *caddy.Controller) error {
rewrites, err := rewriteParse(c)
if err != nil {
return plugin.Error("rewrite", err)
}
dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
return Rewrite{Next: next, Rules: rewrites}
})
return nil
}
func rewriteParse(c *caddy.Controller) ([]Rule, error) {
var rules []Rule
for c.Next() {
args := c.RemainingArgs()
if len(args) < 2 {
// Handles rules out of nested instructions, i.e. the ones enclosed in curly brackets
for c.NextBlock() {
args = append(args, c.Val())
}
}
rule, err := newRule(args...)
if err != nil {
return nil, err
}
rules = append(rules, rule)
}
return rules, nil
}
|
