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Merge branch 'master' of github.com:miekg/dns

This commit is contained in:
Miek Gieben 2013-08-23 20:30:17 +00:00
parent 3457c0428d 52731e78c5
commit 6c8dd0a445
2 changed files with 1 additions and 71 deletions
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1
README.markdown
View File

@ -29,6 +29,7 @@ A not-so-up-to-date-list-that-may-be-actually-current:
* https://github.com/chuangbo/jianbing-dictionary-dns/tree/master/golang
* http://www.dns-lg.com/
* https://github.com/fcambus/rrda
* https://github.com/kenshinx/godns
* more?
# Features

71
nsecx.go
View File

@ -11,12 +11,6 @@ import (
"strings"
)
const (
_ = iota
_NSEC3_NXDOMAIN
_NSEC3_NODATA
)
type saltWireFmt struct {
Salt string `dns:"size-hex"`
}
@ -58,68 +52,3 @@ func HashName(label string, ha uint8, iter uint16, salt string) string {
}
return unpackBase32(nsec3)
}
// Implement the HashNames method of Denialer
func (rr *NSEC3) HashNames(domain string) {
rr.Header().Name = strings.ToLower(HashName(rr.Header().Name, rr.Hash, rr.Iterations, rr.Salt)) + "." + domain
rr.NextDomain = HashName(rr.NextDomain, rr.Hash, rr.Iterations, rr.Salt)
}
// Implement the Match method of Denialer
func (rr *NSEC3) Match(domain string) bool {
return strings.ToUpper(SplitDomainName(rr.Header().Name)[0]) == strings.ToUpper(HashName(domain, rr.Hash, rr.Iterations, rr.Salt))
}
// Implement the Match method of Denialer
func (rr *NSEC) Match(domain string) bool {
return strings.ToUpper(rr.Header().Name) == strings.ToUpper(domain)
}
func (rr *NSEC3) MatchType(rrtype uint16) bool {
for _, t := range rr.TypeBitMap {
if t == rrtype {
return true
}
if t > rrtype {
return false
}
}
return false
}
func (rr *NSEC) MatchType(rrtype uint16) bool {
for _, t := range rr.TypeBitMap {
if t == rrtype {
return true
}
if t > rrtype {
return false
}
}
return false
}
// Cover checks if domain is covered by the NSEC3 record. Domain must be given in plain text (i.e. not hashed)
// TODO(mg): this doesn't loop around
// TODO(mg): make a CoverHashed variant?
func (rr *NSEC3) Cover(domain string) bool {
hashdom := strings.ToUpper(HashName(domain, rr.Hash, rr.Iterations, rr.Salt))
nextdom := strings.ToUpper(rr.NextDomain)
owner := strings.ToUpper(SplitDomainName(rr.Header().Name)[0]) // The hashed part
apex := strings.ToUpper(HashName(strings.Join(SplitDomainName(rr.Header().Name)[1:], "."), rr.Hash, rr.Iterations, rr.Salt)) + "." // The name of the zone
// if nextdomain equals the apex, it is considered The End. So in that case hashdom is always less then nextdomain
if hashdom > owner && nextdom == apex {
return true
}
if hashdom > owner && hashdom <= nextdom {
return true
}
return false
}
// Cover checks if domain is covered by the NSEC record. Domain must be given in plain text.
func (rr *NSEC) Cover(domain string) bool {
return false
}