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Make zone.Signatures a map of a map

This commit is contained in:
Miek Gieben 2012-12-04 20:21:58 +01:00
parent 526fbf27c9
commit f4f936e2e8
1 changed files with 11 additions and 31 deletions
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42
zone.go
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@ -91,11 +91,10 @@ func NewZone(origin string) *Zone {
// ZoneData holds all the RRs having their owner name equal to Name.
type ZoneData struct {
Name string // Domain name for this node
RR map[uint16][]RR // Map of the RR type to the RR
Signatures map[uint16][]*RR_RRSIG // DNSSEC signatures for the RRs, stored under type covered
// moet een map[uint16]map[uint16]*RR_RRSIG worden, typeocvert + keyid
NonAuth bool // Always false, except for NSsets that differ from z.Origin
Name string // Domain name for this node
RR map[uint16][]RR // Map of the RR type to the RR
Signatures map[uint16]map[uint16]*RR_RRSIG // DNSSEC signatures for the RRs, stored under type covered and keytag
NonAuth bool // Always false, except for NSsets that differ from z.Origin
*sync.RWMutex
}
@ -104,7 +103,7 @@ func NewZoneData(s string) *ZoneData {
zd := new(ZoneData)
zd.Name = s
zd.RR = make(map[uint16][]RR)
zd.Signatures = make(map[uint16][]*RR_RRSIG)
zd.Signatures = make(map[uint16]map[uint16]*RR_RRSIG)
zd.RWMutex = new(sync.RWMutex)
return zd
}
@ -215,8 +214,7 @@ func (z *Zone) Insert(r RR) error {
zd := NewZoneData(r.Header().Name)
switch t := r.Header().Rrtype; t {
case TypeRRSIG:
sigtype := r.(*RR_RRSIG).TypeCovered
zd.Signatures[sigtype] = append(zd.Signatures[sigtype], r.(*RR_RRSIG))
zd.Signatures[r.(*RR_RRSIG).TypeCovered][r.(*RR_RRSIG).KeyTag] = r.(*RR_RRSIG)
case TypeNS:
// NS records with other names than z.Origin are non-auth
if r.Header().Name != z.Origin {
@ -235,8 +233,7 @@ func (z *Zone) Insert(r RR) error {
// Name already there
switch t := r.Header().Rrtype; t {
case TypeRRSIG:
sigtype := r.(*RR_RRSIG).TypeCovered
zd.Value.(*ZoneData).Signatures[sigtype] = append(zd.Value.(*ZoneData).Signatures[sigtype], r.(*RR_RRSIG))
zd.Value.(*ZoneData).Signatures[r.(*RR_RRSIG).TypeCovered][r.(*RR_RRSIG).KeyTag] = r.(*RR_RRSIG)
case TypeNS:
if r.Header().Name != z.Origin {
zd.Value.(*ZoneData).NonAuth = true
@ -264,19 +261,7 @@ func (z *Zone) Remove(r RR) error {
remove := false
switch t := r.Header().Rrtype; t {
case TypeRRSIG:
sigtype := r.(*RR_RRSIG).TypeCovered
for i, zr := range zd.Value.(*ZoneData).Signatures[sigtype] {
if r == zr {
zd.Value.(*ZoneData).Signatures[sigtype] = append(zd.Value.(*ZoneData).Signatures[sigtype][:i], zd.Value.(*ZoneData).Signatures[sigtype][i+1:]...)
remove = true
}
}
if remove {
// If every Signature of the covering type is removed, removed the type from the map
if len(zd.Value.(*ZoneData).Signatures[sigtype]) == 0 {
delete(zd.Value.(*ZoneData).Signatures, sigtype)
}
}
delete(zd.Value.(*ZoneData).Signatures[r.(*RR_RRSIG).TypeCovered], r.(*RR_RRSIG).KeyTag)
default:
for i, zr := range zd.Value.(*ZoneData).RR[t] {
// Matching RR
@ -285,11 +270,8 @@ func (z *Zone) Remove(r RR) error {
remove = true
}
}
if remove {
// If every RR of this type is removed, removed the type from the map
if len(zd.Value.(*ZoneData).RR[t]) == 0 {
delete(zd.Value.(*ZoneData).RR, t)
}
if len(zd.Value.(*ZoneData).RR[t]) == 0 {
delete(zd.Value.(*ZoneData).RR, t)
}
}
if !remove {
@ -556,7 +538,7 @@ func (node *ZoneData) Sign(next *ZoneData, keys map[*RR_DNSKEY]PrivateKey, keyta
if e != nil {
return e
}
node.Signatures[t] = append(node.Signatures[t], s)
node.Signatures[t][keytags[k]] = s
}
}
}
@ -574,8 +556,6 @@ func signatures(z *ZoneData, typecovered, keytag uint16) *RR_RRSIG {
return nil
}
// timeToUint32 translates a time.Time to a 32 bit value which
// can be used as the RRSIG's inception or expiration times.
func timeToUint32(t time.Time) uint32 {