blob: f9bb8efe294f8a4d74a80084b1cfbe8ad6cabc5d (
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
|
package file
import (
"sync"
"github.com/miekg/coredns/middleware"
"github.com/miekg/coredns/middleware/file/tree"
"github.com/miekg/dns"
)
type Zone struct {
SOA *dns.SOA
SIG []dns.RR
name string
*tree.Tree
TransferTo []string
StartupOnce sync.Once
TransferFrom []string
Expired *bool
}
// NewZone returns a new zone.
func NewZone(name string) *Zone {
z := &Zone{name: dns.Fqdn(name), Tree: &tree.Tree{}, Expired: new(bool)}
*z.Expired = false
return z
}
// Copy copies a zone *without* copying the zone's content. It is not a deep copy.
func (z *Zone) Copy() *Zone {
z1 := NewZone(z.name)
z1.TransferTo = z.TransferTo
z1.TransferFrom = z.TransferFrom
z1.Expired = z.Expired
z1.SOA = z.SOA
z1.SIG = z.SIG
return z1
}
// Insert inserts r into z.
func (z *Zone) Insert(r dns.RR) { z.Tree.Insert(r) }
// Delete deletes r from z.
func (z *Zone) Delete(r dns.RR) { z.Tree.Delete(r) }
// TransferAllowed checks if incoming request for transferring the zone is allowed according to the ACLs.
func (z *Zone) TransferAllowed(state middleware.State) bool {
for _, t := range z.TransferTo {
if t == "*" {
return true
}
}
// TODO(miek): future matching against IP/CIDR notations
return false
}
// All returns all records from the zone, the first record will be the SOA record,
// otionally followed by all RRSIG(SOA)s.
func (z *Zone) All() []dns.RR {
records := []dns.RR{}
allNodes := z.Tree.All()
for _, a := range allNodes {
records = append(records, a.All()...)
}
if len(z.SIG) > 0 {
records = append(z.SIG, records...)
}
return append([]dns.RR{z.SOA}, records...)
}
|
