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types/netmap,*: remove some redundant fields from NetMap

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Updates #12639

Change-Id: Ia50b15529bd1c002cdd2c937cdfbe69c06fa2dc8
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2025-11-18 07:25:10 -08:00 committed by Brad Fitzpatrick
parent 2a6cbb70d9
commit bd29b189fe
14 changed files with 59 additions and 42 deletions
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2
cmd/tsconnect/wasm/wasm_js.go
View File

@ -261,7 +261,7 @@ func (i *jsIPN) run(jsCallbacks js.Value) {
jsNetMap := jsNetMap{
Self: jsNetMapSelfNode{
jsNetMapNode: jsNetMapNode{
Name: nm.Name,
Name: nm.SelfName(),
Addresses: mapSliceView(nm.GetAddresses(), func(a netip.Prefix) string { return a.Addr().String() }),
NodeKey: nm.NodeKey.String(),
MachineKey: nm.MachineKey.String(),

2
control/controlclient/auto.go
View File

@ -443,7 +443,7 @@ func (mrs mapRoutineState) UpdateFullNetmap(nm *netmap.NetworkMap) {
c.mu.Lock()
c.inMapPoll = true
c.expiry = nm.Expiry
c.expiry = nm.SelfKeyExpiry()
stillAuthed := c.loggedIn
c.logf("[v1] mapRoutine: netmap received: loggedIn=%v inMapPoll=true", stillAuthed)
c.mu.Unlock()

2
control/controlclient/direct.go
View File

@ -1093,7 +1093,7 @@ func (c *Direct) sendMapRequest(ctx context.Context, isStreaming bool, nu Netmap
c.persist = newPersist.View()
persist = c.persist
}
c.expiry = nm.Expiry
c.expiry = nm.SelfKeyExpiry()
}
// gotNonKeepAliveMessage is whether we've yet received a MapResponse message without

2
control/controlclient/map.go
View File

@ -891,8 +891,6 @@ func (ms *mapSession) netmap() *netmap.NetworkMap {
if node := ms.lastNode; node.Valid() {
nm.SelfNode = node
nm.Expiry = node.KeyExpiry()
nm.Name = node.Name()
nm.AllCaps = ms.lastCapSet
}

1
ipn/ipnlocal/c2n_test.go
View File

@ -142,7 +142,6 @@ func TestHandleC2NTLSCertStatus(t *testing.T) {
func TestHandleC2NDebugNetmap(t *testing.T) {
nm := &netmap.NetworkMap{
Name: "myhost",
SelfNode: (&tailcfg.Node{
ID: 100,
Name: "myhost",

14
ipn/ipnlocal/dnsconfig_test.go
View File

@ -70,8 +70,8 @@ func TestDNSConfigForNetmap(t *testing.T) {
{
name: "self_name_and_peers",
nm: &netmap.NetworkMap{
Name: "myname.net",
SelfNode: (&tailcfg.Node{
Name: "myname.net.",
Addresses: ipps("100.101.101.101"),
}).View(),
},
@ -109,15 +109,15 @@ func TestDNSConfigForNetmap(t *testing.T) {
// even if they have IPv4.
name: "v6_only_self",
nm: &netmap.NetworkMap{
Name: "myname.net",
SelfNode: (&tailcfg.Node{
Name: "myname.net.",
Addresses: ipps("fe75::1"),
}).View(),
},
peers: nodeViews([]*tailcfg.Node{
{
ID: 1,
Name: "peera.net",
Name: "peera.net.",
Addresses: ipps("100.102.0.1", "100.102.0.2", "fe75::1001"),
},
{
@ -146,8 +146,8 @@ func TestDNSConfigForNetmap(t *testing.T) {
{
name: "extra_records",
nm: &netmap.NetworkMap{
Name: "myname.net",
SelfNode: (&tailcfg.Node{
Name: "myname.net.",
Addresses: ipps("100.101.101.101"),
}).View(),
DNS: tailcfg.DNSConfig{
@ -171,7 +171,9 @@ func TestDNSConfigForNetmap(t *testing.T) {
{
name: "corp_dns_misc",
nm: &netmap.NetworkMap{
Name: "host.some.domain.net.",
SelfNode: (&tailcfg.Node{
Name: "host.some.domain.net.",
}).View(),
DNS: tailcfg.DNSConfig{
Proxied: true,
Domains: []string{"foo.com", "bar.com"},
@ -331,8 +333,8 @@ func TestDNSConfigForNetmap(t *testing.T) {
{
name: "self_expired",
nm: &netmap.NetworkMap{
Name: "myname.net",
SelfNode: (&tailcfg.Node{
Name: "myname.net.",
Addresses: ipps("100.101.101.101"),
}).View(),
},

4
ipn/ipnlocal/local.go
View File

@ -1301,7 +1301,7 @@ func (b *LocalBackend) UpdateStatus(sb *ipnstate.StatusBuilder) {
if hi := nm.SelfNode.Hostinfo(); hi.Valid() {
ss.HostName = hi.Hostname()
}
ss.DNSName = nm.Name
ss.DNSName = nm.SelfName()
ss.UserID = nm.User()
if sn := nm.SelfNode; sn.Valid() {
peerStatusFromNode(ss, sn)
@ -1617,7 +1617,7 @@ func (b *LocalBackend) SetControlClientStatus(c controlclient.Client, st control
keyExpiryExtended := false
if st.NetMap != nil {
wasExpired := b.keyExpired
isExpired := !st.NetMap.Expiry.IsZero() && st.NetMap.Expiry.Before(b.clock.Now())
isExpired := !st.NetMap.SelfKeyExpiry().IsZero() && st.NetMap.SelfKeyExpiry().Before(b.clock.Now())
if wasExpired && !isExpired {
keyExpiryExtended = true
}

8
ipn/ipnlocal/local_test.go
View File

@ -2712,8 +2712,8 @@ func TestSetExitNodeIDPolicy(t *testing.T) {
exitNodeIPWant: "127.0.0.1",
prefsChanged: false,
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100.102.103.104/32"),
pfx("100::123/128"),
@ -2749,8 +2749,8 @@ func TestSetExitNodeIDPolicy(t *testing.T) {
exitNodeIDWant: "123",
prefsChanged: true,
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100.102.103.104/32"),
pfx("100::123/128"),
@ -2787,8 +2787,8 @@ func TestSetExitNodeIDPolicy(t *testing.T) {
exitNodeIDWant: "123",
prefsChanged: true,
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100.102.103.104/32"),
pfx("100::123/128"),
@ -2827,8 +2827,8 @@ func TestSetExitNodeIDPolicy(t *testing.T) {
exitNodeIDWant: "123",
prefsChanged: true,
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100.102.103.104/32"),
pfx("100::123/128"),

2
ipn/ipnlocal/node_backend.go
View File

@ -748,7 +748,7 @@ func dnsConfigForNetmap(nm *netmap.NetworkMap, peers map[tailcfg.NodeID]tailcfg.
}
dcfg.Hosts[fqdn] = ips
}
set(nm.Name, nm.GetAddresses())
set(nm.SelfName(), nm.GetAddresses())
for _, peer := range peers {
set(peer.Name(), peer.Addresses())
}

21
ipn/ipnlocal/state_test.go
View File

@ -999,8 +999,10 @@ func runTestStateMachine(t *testing.T, seamless bool) {
t.Logf("\n\nExpireKey")
notifies.expect(1)
cc.send(sendOpt{nm: &netmap.NetworkMap{
Expiry: time.Now().Add(-time.Minute),
SelfNode: (&tailcfg.Node{MachineAuthorized: true}).View(),
SelfNode: (&tailcfg.Node{
KeyExpiry: time.Now().Add(-time.Minute),
MachineAuthorized: true,
}).View(),
}})
{
nn := notifies.drain(1)
@ -1015,8 +1017,10 @@ func runTestStateMachine(t *testing.T, seamless bool) {
t.Logf("\n\nExtendKey")
notifies.expect(1)
cc.send(sendOpt{nm: &netmap.NetworkMap{
Expiry: time.Now().Add(time.Minute),
SelfNode: (&tailcfg.Node{MachineAuthorized: true}).View(),
SelfNode: (&tailcfg.Node{
MachineAuthorized: true,
KeyExpiry: time.Now().Add(time.Minute),
}).View(),
}})
{
nn := notifies.drain(1)
@ -1427,7 +1431,9 @@ func TestEngineReconfigOnStateChange(t *testing.T) {
mustDo2(t)(lb.EditPrefs(connect))
cc().authenticated(node1)
cc().send(sendOpt{nm: &netmap.NetworkMap{
Expiry: time.Now().Add(-time.Minute),
SelfNode: (&tailcfg.Node{
KeyExpiry: time.Now().Add(-time.Minute),
}).View(),
}})
},
wantState: ipn.NeedsLogin,
@ -1550,7 +1556,9 @@ func TestEngineReconfigOnStateChange(t *testing.T) {
mustDo2(t)(lb.EditPrefs(connect))
cc().authenticated(node1)
cc().send(sendOpt{nm: &netmap.NetworkMap{
Expiry: time.Now().Add(-time.Minute),
SelfNode: (&tailcfg.Node{
KeyExpiry: time.Now().Add(-time.Minute),
}).View(),
}})
},
// Even with seamless, if the key we are using expires, we want to disconnect:
@ -1725,7 +1733,6 @@ func buildNetmapWithPeers(self tailcfg.NodeView, peers ...tailcfg.NodeView) *net
return &netmap.NetworkMap{
SelfNode: self,
Name: self.Name(),
Domain: domain,
Peers: peers,
UserProfiles: users,

8
net/tsdial/dnsmap.go
View File

@ -36,11 +36,11 @@ func dnsMapFromNetworkMap(nm *netmap.NetworkMap) dnsMap {
suffix := nm.MagicDNSSuffix()
have4 := false
addrs := nm.GetAddresses()
if nm.Name != "" && addrs.Len() > 0 {
if name := nm.SelfName(); name != "" && addrs.Len() > 0 {
ip := addrs.At(0).Addr()
ret[canonMapKey(nm.Name)] = ip
if dnsname.HasSuffix(nm.Name, suffix) {
ret[canonMapKey(dnsname.TrimSuffix(nm.Name, suffix))] = ip
ret[canonMapKey(name)] = ip
if dnsname.HasSuffix(name, suffix) {
ret[canonMapKey(dnsname.TrimSuffix(name, suffix))] = ip
}
for _, p := range addrs.All() {
if p.Addr().Is4() {

6
net/tsdial/dnsmap_test.go
View File

@ -31,8 +31,8 @@ func TestDNSMapFromNetworkMap(t *testing.T) {
{
name: "self",
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100.102.103.104/32"),
pfx("100::123/128"),
@ -47,8 +47,8 @@ func TestDNSMapFromNetworkMap(t *testing.T) {
{
name: "self_and_peers",
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100.102.103.104/32"),
pfx("100::123/128"),
@ -82,8 +82,8 @@ func TestDNSMapFromNetworkMap(t *testing.T) {
{
name: "self_has_v6_only",
nm: &netmap.NetworkMap{
Name: "foo.tailnet",
SelfNode: (&tailcfg.Node{
Name: "foo.tailnet.",
Addresses: []netip.Prefix{
pfx("100::123/128"),
},

23
types/netmap/netmap.go
View File

@ -29,10 +29,6 @@ type NetworkMap struct {
SelfNode tailcfg.NodeView
AllCaps set.Set[tailcfg.NodeCapability] // set version of SelfNode.Capabilities + SelfNode.CapMap
NodeKey key.NodePublic
Expiry time.Time
// Name is the DNS name assigned to this node.
// It is the MapResponse.Node.Name value and ends with a period.
Name string
MachineKey key.MachinePublic
@ -235,10 +231,25 @@ func MagicDNSSuffixOfNodeName(nodeName string) string {
//
// It will neither start nor end with a period.
func (nm *NetworkMap) MagicDNSSuffix() string {
if nm == nil {
return MagicDNSSuffixOfNodeName(nm.SelfName())
}
// SelfName returns nm.SelfNode.Name, or the empty string
// if nm is nil or nm.SelfNode is invalid.
func (nm *NetworkMap) SelfName() string {
if nm == nil || !nm.SelfNode.Valid() {
return ""
}
return MagicDNSSuffixOfNodeName(nm.Name)
return nm.SelfNode.Name()
}
// SelfKeyExpiry returns nm.SelfNode.KeyExpiry, or the zero
// value if nil or nm.SelfNode is invalid.
func (nm *NetworkMap) SelfKeyExpiry() time.Time {
if nm == nil || !nm.SelfNode.Valid() {
return time.Time{}
}
return nm.SelfNode.KeyExpiry()
}
// DomainName returns the name of the NetworkMap's

6
wgengine/magicsock/magicsock_test.go
View File

@ -2200,9 +2200,9 @@ func TestIsWireGuardOnlyPeer(t *testing.T) {
defer m.Close()
nm := &netmap.NetworkMap{
Name: "ts",
NodeKey: m.privateKey.Public(),
SelfNode: (&tailcfg.Node{
Name: "ts.",
Addresses: []netip.Prefix{tsaip},
}).View(),
Peers: nodeViews([]*tailcfg.Node{
@ -2264,9 +2264,9 @@ func TestIsWireGuardOnlyPeerWithMasquerade(t *testing.T) {
defer m.Close()
nm := &netmap.NetworkMap{
Name: "ts",
NodeKey: m.privateKey.Public(),
SelfNode: (&tailcfg.Node{
Name: "ts.",
Addresses: []netip.Prefix{tsaip},
}).View(),
Peers: nodeViews([]*tailcfg.Node{
@ -2400,9 +2400,9 @@ func TestIsWireGuardOnlyPickEndpointByPing(t *testing.T) {
wgEpV6 := netip.MustParseAddrPort(v6.LocalAddr().String())
nm := &netmap.NetworkMap{
Name: "ts",
NodeKey: m.privateKey.Public(),
SelfNode: (&tailcfg.Node{
Name: "ts.",
Addresses: []netip.Prefix{tsaip},
}).View(),
Peers: nodeViews([]*tailcfg.Node{