blob: cde543ea0dd53fd8a83786363da8660005f6efbc (
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
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
package tls
import (
ctls "crypto/tls"
"github.com/coredns/coredns/core/dnsserver"
"github.com/coredns/coredns/plugin"
"github.com/coredns/coredns/plugin/pkg/tls"
"github.com/mholt/caddy"
)
func init() {
caddy.RegisterPlugin("tls", caddy.Plugin{
ServerType: "dns",
Action: setup,
})
}
func setup(c *caddy.Controller) error {
err := parseTLS(c)
if err != nil {
return plugin.Error("tls", err)
}
return nil
}
func parseTLS(c *caddy.Controller) error {
config := dnsserver.GetConfig(c)
if config.TLSConfig != nil {
return plugin.Error("tls", c.Errf("TLS already configured for this server instance"))
}
for c.Next() {
args := c.RemainingArgs()
if len(args) < 2 || len(args) > 3 {
return plugin.Error("tls", c.ArgErr())
}
clientAuth := ctls.NoClientCert
for c.NextBlock() {
switch c.Val() {
case "client_auth":
authTypeArgs := c.RemainingArgs()
if len(authTypeArgs) != 1 {
return c.ArgErr()
}
switch authTypeArgs[0] {
case "nocert":
clientAuth = ctls.NoClientCert
case "request":
clientAuth = ctls.RequestClientCert
case "require":
clientAuth = ctls.RequireAnyClientCert
case "verify_if_given":
clientAuth = ctls.VerifyClientCertIfGiven
case "require_and_verify":
clientAuth = ctls.RequireAndVerifyClientCert
default:
return c.Errf("unknown authentication type '%s'", authTypeArgs[0])
}
default:
return c.Errf("unknown option '%s'", c.Val())
}
}
tls, err := tls.NewTLSConfigFromArgs(args...)
if err != nil {
return err
}
tls.ClientAuth = clientAuth
// NewTLSConfigFromArgs only sets RootCAs, so we need to let ClientCAs refer to it.
tls.ClientCAs = tls.RootCAs
config.TLSConfig = tls
}
return nil
}
|
