mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-12-23 12:15:39 +00:00
Export fields of sessionPing, dhtReq, dhtRes
This commit is contained in:
parent
49af65296d
commit
bbdcee1015
@ -51,16 +51,16 @@ type bucket struct {
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}
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type dhtReq struct {
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key boxPubKey // Key of whoever asked
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coords []byte // Coords of whoever asked
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dest NodeID // NodeID they're asking about
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Key boxPubKey // Key of whoever asked
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Coords []byte // Coords of whoever asked
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Dest NodeID // NodeID they're asking about
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}
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type dhtRes struct {
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key boxPubKey // key to respond to
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coords []byte // coords to respond to
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dest NodeID
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infos []*dhtInfo // response
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Key boxPubKey // key to respond to
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Coords []byte // coords to respond to
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Dest NodeID
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Infos []*dhtInfo // response
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}
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type dht_rumor struct {
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@ -90,33 +90,33 @@ func (t *dht) handleReq(req *dhtReq) {
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loc := t.core.switchTable.getLocator()
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coords := loc.getCoords()
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res := dhtRes{
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key: t.core.boxPub,
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coords: coords,
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dest: req.dest,
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infos: t.lookup(&req.dest, false),
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Key: t.core.boxPub,
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Coords: coords,
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Dest: req.Dest,
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Infos: t.lookup(&req.Dest, false),
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}
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t.sendRes(&res, req)
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// Also (possibly) add them to our DHT
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info := dhtInfo{
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key: req.key,
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coords: req.coords,
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key: req.Key,
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coords: req.Coords,
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}
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t.insertIfNew(&info, false) // This seems DoSable (we just trust their coords...)
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//if req.dest != t.nodeID { t.ping(&info, info.getNodeID()) } // Or spam...
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}
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func (t *dht) handleRes(res *dhtRes) {
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reqs, isIn := t.reqs[res.key]
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reqs, isIn := t.reqs[res.Key]
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if !isIn {
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return
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}
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_, isIn = reqs[res.dest]
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_, isIn = reqs[res.Dest]
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if !isIn {
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return
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}
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rinfo := dhtInfo{
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key: res.key,
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coords: res.coords,
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key: res.Key,
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coords: res.Coords,
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send: time.Now(), // Technically wrong but should be OK...
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recv: time.Now(),
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}
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@ -138,15 +138,15 @@ func (t *dht) handleRes(res *dhtRes) {
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}
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// Insert into table
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t.insert(&rinfo, false)
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if res.dest == *rinfo.getNodeID() {
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if res.Dest == *rinfo.getNodeID() {
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return
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} // No infinite recursions
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if len(res.infos) > dht_lookup_size {
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if len(res.Infos) > dht_lookup_size {
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// Ignore any "extra" lookup results
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res.infos = res.infos[:dht_lookup_size]
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res.Infos = res.Infos[:dht_lookup_size]
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}
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for _, info := range res.infos {
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if dht_firstCloserThanThird(info.getNodeID(), &res.dest, rinfo.getNodeID()) {
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for _, info := range res.Infos {
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if dht_firstCloserThanThird(info.getNodeID(), &res.Dest, rinfo.getNodeID()) {
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t.addToMill(info, info.getNodeID())
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}
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}
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@ -335,18 +335,18 @@ func (t *dht) sendReq(req *dhtReq, dest *dhtInfo) {
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panic("This should never happen")
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}
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}
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reqsToDest[req.dest] = time.Now()
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reqsToDest[req.Dest] = time.Now()
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}
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func (t *dht) sendRes(res *dhtRes, req *dhtReq) {
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// Send a reply for a dhtReq
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bs := res.encode()
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shared := t.core.sessions.getSharedKey(&t.core.boxPriv, &req.key)
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shared := t.core.sessions.getSharedKey(&t.core.boxPriv, &req.Key)
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payload, nonce := boxSeal(shared, bs, nil)
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p := wire_protoTrafficPacket{
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TTL: ^uint64(0),
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Coords: req.coords,
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ToKey: req.key,
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Coords: req.Coords,
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ToKey: req.Key,
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FromKey: t.core.boxPub,
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Nonce: *nonce,
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Payload: payload,
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@ -403,9 +403,9 @@ func (t *dht) ping(info *dhtInfo, target *NodeID) {
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loc := t.core.switchTable.getLocator()
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coords := loc.getCoords()
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req := dhtReq{
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key: t.core.boxPub,
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coords: coords,
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dest: *target,
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Key: t.core.boxPub,
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Coords: coords,
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Dest: *target,
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}
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info.pings++
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info.send = time.Now()
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@ -324,7 +324,7 @@ func (r *router) handlePing(bs []byte, fromKey *boxPubKey) {
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if !ping.decode(bs) {
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return
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}
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ping.sendPermPub = *fromKey
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ping.SendPermPub = *fromKey
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r.core.sessions.handlePing(&ping)
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}
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@ -337,7 +337,7 @@ func (r *router) handleDHTReq(bs []byte, fromKey *boxPubKey) {
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if !req.decode(bs) {
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return
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}
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req.key = *fromKey
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req.Key = *fromKey
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r.core.dht.handleReq(&req)
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}
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@ -346,7 +346,7 @@ func (r *router) handleDHTRes(bs []byte, fromKey *boxPubKey) {
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if !res.decode(bs) {
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return
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}
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res.key = *fromKey
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res.Key = *fromKey
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r.core.dht.handleRes(&res)
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}
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@ -38,40 +38,40 @@ type sessionInfo struct {
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}
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type sessionPing struct {
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sendPermPub boxPubKey // Sender's permanent key
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handle handle // Random number to ID session
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sendSesPub boxPubKey // Session key to use
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coords []byte
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tstamp int64 // unix time, but the only real requirement is that it increases
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isPong bool
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mtu uint16
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SendPermPub boxPubKey // Sender's permanent key
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Handle handle // Random number to ID session
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SendSesPub boxPubKey // Session key to use
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Coords []byte
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Tstamp int64 // unix time, but the only real requirement is that it increases
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IsPong bool
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MTU uint16
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}
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// Returns true if the session was updated, false otherwise
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func (s *sessionInfo) update(p *sessionPing) bool {
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if !(p.tstamp > s.tstamp) {
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if !(p.Tstamp > s.tstamp) {
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// To protect against replay attacks
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return false
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}
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if p.sendPermPub != s.theirPermPub {
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if p.SendPermPub != s.theirPermPub {
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// Should only happen if two sessions got the same handle
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// That shouldn't be allowed anyway, but if it happens then let one time out
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return false
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}
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if p.sendSesPub != s.theirSesPub {
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s.theirSesPub = p.sendSesPub
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s.theirHandle = p.handle
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if p.SendSesPub != s.theirSesPub {
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s.theirSesPub = p.SendSesPub
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s.theirHandle = p.Handle
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s.sharedSesKey = *getSharedKey(&s.mySesPriv, &s.theirSesPub)
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s.theirNonce = boxNonce{}
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s.nonceMask = 0
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}
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if p.mtu >= 1280 || p.mtu == 0 {
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s.theirMTU = p.mtu
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if p.MTU >= 1280 || p.MTU == 0 {
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s.theirMTU = p.MTU
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}
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s.coords = append([]byte{}, p.coords...)
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s.coords = append([]byte{}, p.Coords...)
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now := time.Now()
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s.time = now
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s.tstamp = p.tstamp
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s.tstamp = p.Tstamp
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s.init = true
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return true
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}
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@ -215,12 +215,12 @@ func (ss *sessions) getPing(sinfo *sessionInfo) sessionPing {
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loc := ss.core.switchTable.getLocator()
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coords := loc.getCoords()
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ref := sessionPing{
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sendPermPub: ss.core.boxPub,
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handle: sinfo.myHandle,
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sendSesPub: sinfo.mySesPub,
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tstamp: time.Now().Unix(),
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coords: coords,
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mtu: sinfo.myMTU,
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SendPermPub: ss.core.boxPub,
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Handle: sinfo.myHandle,
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SendSesPub: sinfo.mySesPub,
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Tstamp: time.Now().Unix(),
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Coords: coords,
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MTU: sinfo.myMTU,
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}
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sinfo.myNonce.update()
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return ref
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@ -250,7 +250,7 @@ func (ss *sessions) ping(sinfo *sessionInfo) {
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func (ss *sessions) sendPingPong(sinfo *sessionInfo, isPong bool) {
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ping := ss.getPing(sinfo)
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ping.isPong = isPong
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ping.IsPong = isPong
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bs := ping.encode()
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shared := ss.getSharedKey(&ss.core.boxPriv, &sinfo.theirPermPub)
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payload, nonce := boxSeal(shared, bs, nil)
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@ -271,13 +271,13 @@ func (ss *sessions) sendPingPong(sinfo *sessionInfo, isPong bool) {
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func (ss *sessions) handlePing(ping *sessionPing) {
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// Get the corresponding session (or create a new session)
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sinfo, isIn := ss.getByTheirPerm(&ping.sendPermPub)
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sinfo, isIn := ss.getByTheirPerm(&ping.SendPermPub)
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if !isIn || sinfo.timedout() {
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if isIn {
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sinfo.close()
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}
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ss.createSession(&ping.sendPermPub)
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sinfo, isIn = ss.getByTheirPerm(&ping.sendPermPub)
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ss.createSession(&ping.SendPermPub)
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sinfo, isIn = ss.getByTheirPerm(&ping.SendPermPub)
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if !isIn {
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panic("This should not happen")
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}
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@ -286,7 +286,7 @@ func (ss *sessions) handlePing(ping *sessionPing) {
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if !sinfo.update(ping) { /*panic("Should not happen in testing")*/
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return
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}
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if !ping.isPong {
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if !ping.IsPong {
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ss.sendPingPong(sinfo, true)
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}
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if sinfo.packet != nil {
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@ -405,19 +405,19 @@ func (p *wire_linkProtoTrafficPacket) decode(bs []byte) bool {
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func (p *sessionPing) encode() []byte {
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var pTypeVal uint64
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if p.isPong {
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if p.IsPong {
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pTypeVal = wire_SessionPong
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} else {
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pTypeVal = wire_SessionPing
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}
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bs := wire_encode_uint64(pTypeVal)
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//p.sendPermPub used in top level (crypto), so skipped here
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bs = append(bs, p.handle[:]...)
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bs = append(bs, p.sendSesPub[:]...)
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bs = append(bs, wire_encode_uint64(wire_intToUint(p.tstamp))...)
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coords := wire_encode_coords(p.coords)
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bs = append(bs, p.Handle[:]...)
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bs = append(bs, p.SendSesPub[:]...)
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bs = append(bs, wire_encode_uint64(wire_intToUint(p.Tstamp))...)
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coords := wire_encode_coords(p.Coords)
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bs = append(bs, coords...)
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bs = append(bs, wire_encode_uint64(uint64(p.mtu))...)
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bs = append(bs, wire_encode_uint64(uint64(p.MTU))...)
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return bs
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}
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@ -431,32 +431,32 @@ func (p *sessionPing) decode(bs []byte) bool {
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case pType != wire_SessionPing && pType != wire_SessionPong:
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return false
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//p.sendPermPub used in top level (crypto), so skipped here
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case !wire_chop_slice(p.handle[:], &bs):
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case !wire_chop_slice(p.Handle[:], &bs):
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return false
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case !wire_chop_slice(p.sendSesPub[:], &bs):
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case !wire_chop_slice(p.SendSesPub[:], &bs):
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return false
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case !wire_chop_uint64(&tstamp, &bs):
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return false
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case !wire_chop_coords(&p.coords, &bs):
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case !wire_chop_coords(&p.Coords, &bs):
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return false
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case !wire_chop_uint64(&mtu, &bs):
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mtu = 1280
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}
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p.tstamp = wire_intFromUint(tstamp)
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p.Tstamp = wire_intFromUint(tstamp)
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if pType == wire_SessionPong {
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p.isPong = true
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p.IsPong = true
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}
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p.mtu = uint16(mtu)
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p.MTU = uint16(mtu)
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return true
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}
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////////////////////////////////////////////////////////////////////////////////
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func (r *dhtReq) encode() []byte {
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coords := wire_encode_coords(r.coords)
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coords := wire_encode_coords(r.Coords)
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bs := wire_encode_uint64(wire_DHTLookupRequest)
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bs = append(bs, coords...)
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bs = append(bs, r.dest[:]...)
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bs = append(bs, r.Dest[:]...)
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return bs
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}
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@ -467,9 +467,9 @@ func (r *dhtReq) decode(bs []byte) bool {
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return false
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case pType != wire_DHTLookupRequest:
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return false
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case !wire_chop_coords(&r.coords, &bs):
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case !wire_chop_coords(&r.Coords, &bs):
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return false
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case !wire_chop_slice(r.dest[:], &bs):
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case !wire_chop_slice(r.Dest[:], &bs):
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return false
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default:
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return true
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@ -477,11 +477,11 @@ func (r *dhtReq) decode(bs []byte) bool {
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}
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func (r *dhtRes) encode() []byte {
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coords := wire_encode_coords(r.coords)
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coords := wire_encode_coords(r.Coords)
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bs := wire_encode_uint64(wire_DHTLookupResponse)
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bs = append(bs, coords...)
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bs = append(bs, r.dest[:]...)
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for _, info := range r.infos {
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bs = append(bs, r.Dest[:]...)
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for _, info := range r.Infos {
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coords = wire_encode_coords(info.coords)
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bs = append(bs, info.key[:]...)
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bs = append(bs, coords...)
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@ -496,9 +496,9 @@ func (r *dhtRes) decode(bs []byte) bool {
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return false
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case pType != wire_DHTLookupResponse:
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return false
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case !wire_chop_coords(&r.coords, &bs):
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case !wire_chop_coords(&r.Coords, &bs):
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return false
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case !wire_chop_slice(r.dest[:], &bs):
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case !wire_chop_slice(r.Dest[:], &bs):
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return false
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}
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for len(bs) > 0 {
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@ -509,7 +509,7 @@ func (r *dhtRes) decode(bs []byte) bool {
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case !wire_chop_coords(&info.coords, &bs):
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return false
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}
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r.infos = append(r.infos, &info)
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r.Infos = append(r.Infos, &info)
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}
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return true
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}
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