completely remove
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parent
03af57964a
commit
d088547d45
97
anchor.go
97
anchor.go
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@ -1,97 +0,0 @@
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package dns
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import (
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"encoding/xml"
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"io"
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"time"
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)
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// TODO(mg): more Go like NewAnchor
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type XMLKeyDigest struct {
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Id string `xml:"id,attr"`
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ValidFrom string `xml:"validFrom,attr"`
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ValidUntil string `xml:"validUntil,attr,omitempty"`
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KeyTag uint16 `xml:"KeyTag"`
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Algorithm uint8 `xml:"Algorithm"`
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DigestType uint8 `xml:"DigestType"`
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Digest string `xml:"Digest"`
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}
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type XMLTrustAnchor struct {
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Id string `xml:"id,attr,omitempty"`
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Source string `xml:"source,attr,omitempty"`
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Zone string `xml:"Zone"`
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KeyDigest []*XMLKeyDigest `xml:"KeyDigest"`
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}
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// A TrustAnchor represents the trust anchor used in the DNS root.
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type TrustAnchor struct {
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Id string // TrustAnchor id attribute
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Source string // TrustAnchor source attribute
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AnchorId string // KeyDigest id
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Anchor *RR_DS // The digest encoded as an DS record
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ValidFrom time.Time // Validity specification
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ValidUntil time.Time // Validaty specification
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}
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// TrustAnchorString convert a TrustAnchor to a string encoded as XML.
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func TrustAnchorString(t []*TrustAnchor) string {
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xta := new(XMLTrustAnchor)
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xta.KeyDigest = make([]*XMLKeyDigest, 0)
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for _, ta := range t {
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xta.Id = ta.Id // Sets the everytime, but that is OK.
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xta.Source = ta.Source
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xta.Zone = ta.Anchor.Hdr.Name
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xkd := new(XMLKeyDigest)
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xkd.Id = ta.AnchorId
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xkd.ValidFrom = ta.ValidFrom.Format("2006-01-02T15:04:05-07:00")
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if !ta.ValidUntil.IsZero() {
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xkd.ValidUntil = ta.ValidUntil.Format("2006-01-02T15:04:05-07:00")
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}
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xkd.KeyTag = ta.Anchor.KeyTag
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xkd.Algorithm = ta.Anchor.Algorithm
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xkd.DigestType = ta.Anchor.DigestType
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xkd.Digest = ta.Anchor.Digest
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xta.KeyDigest = append(xta.KeyDigest, xkd)
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}
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b, _ := xml.MarshalIndent(xta, "", "\t")
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return string(b)
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}
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// ReadTrustAnchor reads a root trust anchor as defined in
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// http://data.iana.org/root-anchors/root-anchors.xml
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// and returns the data or an error.
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func ReadTrustAnchor(q io.Reader) ([]*TrustAnchor, error) {
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d := xml.NewDecoder(q)
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t := new(XMLTrustAnchor)
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if e := d.Decode(t); e != nil {
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return nil, e
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}
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ta := make([]*TrustAnchor, 0)
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var err error
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for _, digest := range t.KeyDigest {
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t1 := new(TrustAnchor)
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t1.Id = t.Id
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t1.Source = t.Source
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t1.AnchorId = digest.Id
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if t1.ValidFrom, err = time.Parse("2006-01-02T15:04:05-07:00", digest.ValidFrom); err != nil {
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return nil, err
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}
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if digest.ValidUntil != "" {
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if t1.ValidUntil, err = time.Parse("2006-01-02T15:04:05-07:00", digest.ValidUntil); err != nil {
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return nil, err
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}
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}
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d := new(RR_DS)
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d.Hdr = RR_Header{Name: t.Zone, Class: ClassINET, Rrtype: TypeDS}
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d.KeyTag = digest.KeyTag
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d.Algorithm = digest.Algorithm
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d.DigestType = digest.DigestType
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d.Digest = digest.Digest
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t1.Anchor = d
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// Some checks here too?
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ta = append(ta, t1)
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}
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return ta, nil
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}
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