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ipn/ipnlocal: fix peerapi6 port being report as 0 in netstack mode

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Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2021-04-01 22:04:46 -07:00
parent 9f105d3968
commit 6266cf8e36
2 changed files with 17 additions and 21 deletions
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11
ipn/ipnlocal/local.go
View File

@ -1327,7 +1327,7 @@ func (b *LocalBackend) getPeerAPIPortForTSMPPing(ip netaddr.IP) (port uint16, ok
defer b.mu.Unlock()
for _, pln := range b.peerAPIListeners {
if pln.ip.BitLen() == ip.BitLen() {
return uint16(pln.Port()), true
return uint16(pln.port), true
}
}
return 0, false
@ -1341,7 +1341,7 @@ func (b *LocalBackend) peerAPIServicesLocked() (ret []tailcfg.Service) {
}
ret = append(ret, tailcfg.Service{
Proto: proto,
Port: uint16(pln.Port()),
Port: uint16(pln.port),
})
}
return ret
@ -1556,13 +1556,12 @@ func (b *LocalBackend) initPeerAPIListener() {
ln: ln, // nil for 2nd+ on netstack
lb: b,
}
var port int
if skipListen {
port = b.peerAPIListeners[0].Port()
pln.port = b.peerAPIListeners[0].port
} else {
port = pln.Port()
pln.port = ln.Addr().(*net.TCPAddr).Port
}
pln.urlStr = "http://" + net.JoinHostPort(a.IP.String(), strconv.Itoa(port))
pln.urlStr = "http://" + net.JoinHostPort(a.IP.String(), strconv.Itoa(pln.port))
b.logf("peerapi: serving on %s", pln.urlStr)
go pln.serve()
b.peerAPIListeners = append(b.peerAPIListeners, pln)

27
ipn/ipnlocal/peerapi.go
View File

@ -218,11 +218,19 @@ func (s *peerAPIServer) listen(ip netaddr.IP, ifState *interfaces.State) (ln net
}
type peerAPIListener struct {
ps *peerAPIServer
ip netaddr.IP
ln net.Listener // or nil for 2nd+ address family in netstack mdoe
lb *LocalBackend
ps *peerAPIServer
ip netaddr.IP
lb *LocalBackend
// ln is the Listener. It can be nil in netstack mode if there are more than
// 1 local addresses (e.g. both an IPv4 and IPv6). When it's nil, port
// and urlStr are still populated.
ln net.Listener
// urlStr is the base URL to access the peer API (http://ip:port/).
urlStr string
// port is just the port of urlStr.
port int
}
func (pln *peerAPIListener) Close() error {
@ -232,17 +240,6 @@ func (pln *peerAPIListener) Close() error {
return nil
}
func (pln *peerAPIListener) Port() int {
if pln.ln == nil {
return 0
}
ta, ok := pln.ln.Addr().(*net.TCPAddr)
if !ok {
return 0
}
return ta.Port
}
func (pln *peerAPIListener) serve() {
if pln.ln == nil {
return