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feature/conn25: implement IPMapper

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Rename variables to match their types after the server -> connector
rename.

Updates tailscale/corp#37144
Updates tailscale/corp#37145

Signed-off-by: Fran Bull <fran@tailscale.com>
This commit is contained in:
Fran Bull
2026-03-19 13:39:38 -07:00
committed by franbull
parent 1e09eb0cb6
commit 79f71beb24
1 changed files with 15 additions and 15 deletions
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30
feature/conn25/conn25.go
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@@ -297,9 +297,9 @@ func (c *Conn25) handleConnectorTransitIPRequest(n tailcfg.NodeView, ctipr Conne
return resp
}
func (s *connector) handleTransitIPRequest(n tailcfg.NodeView, peerV4 netip.Addr, peerV6 netip.Addr, tipr TransitIPRequest) TransitIPResponse {
func (c *connector) handleTransitIPRequest(n tailcfg.NodeView, peerV4 netip.Addr, peerV6 netip.Addr, tipr TransitIPRequest) TransitIPResponse {
if tipr.TransitIP.Is4() != tipr.DestinationIP.Is4() {
s.logf("[Unexpected] peer attempt to map a transit IP to dest IP did not have matching families: node: %s, tIPv4: %v dIPv4: %v",
c.logf("[Unexpected] peer attempt to map a transit IP to dest IP did not have matching families: node: %s, tIPv4: %v dIPv4: %v",
n.StableID(), tipr.TransitIP.Is4(), tipr.DestinationIP.Is4())
return TransitIPResponse{Code: AddrFamilyMismatch, Message: addrFamilyMismatchMessage}
}
@@ -315,26 +315,26 @@ func (s *connector) handleTransitIPRequest(n tailcfg.NodeView, peerV4 netip.Addr
// If we couldn't find a matching family, return an error.
if !peerAddr.IsValid() {
s.logf("[Unexpected] peer attempt to map a transit IP did not have a matching address family: node: %s, IPv4: %v",
c.logf("[Unexpected] peer attempt to map a transit IP did not have a matching address family: node: %s, IPv4: %v",
n.StableID(), tipr.TransitIP.Is4())
return TransitIPResponse{NoMatchingPeerIPFamily, noMatchingPeerIPFamilyMessage}
}
s.mu.Lock()
defer s.mu.Unlock()
if _, ok := s.config.appsByName[tipr.App]; !ok {
s.logf("[Unexpected] peer attempt to map a transit IP referenced unknown app: node: %s, app: %q",
c.mu.Lock()
defer c.mu.Unlock()
if _, ok := c.config.appsByName[tipr.App]; !ok {
c.logf("[Unexpected] peer attempt to map a transit IP referenced unknown app: node: %s, app: %q",
n.StableID(), tipr.App)
return TransitIPResponse{Code: UnknownAppName, Message: unknownAppNameMessage}
}
if s.transitIPs == nil {
s.transitIPs = make(map[netip.Addr]map[netip.Addr]appAddr)
if c.transitIPs == nil {
c.transitIPs = make(map[netip.Addr]map[netip.Addr]appAddr)
}
peerMap, ok := s.transitIPs[peerAddr]
peerMap, ok := c.transitIPs[peerAddr]
if !ok {
peerMap = make(map[netip.Addr]appAddr)
s.transitIPs[peerAddr] = peerMap
c.transitIPs[peerAddr] = peerMap
}
peerMap[tipr.TransitIP] = appAddr{addr: tipr.DestinationIP, app: tipr.App}
return TransitIPResponse{}
@@ -869,10 +869,10 @@ func (c *connector) lookupBySrcIPAndTransitIP(srcIP, transitIP netip.Addr) (appA
return v, ok
}
func (s *connector) reconfig(newCfg config) error {
s.mu.Lock()
defer s.mu.Unlock()
s.config = newCfg
func (c *connector) reconfig(newCfg config) error {
c.mu.Lock()
defer c.mu.Unlock()
c.config = newCfg
return nil
}