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wgengine/magicsock: call stun callback w/ only valid part of STUN packet

This commit is contained in:
Brad Fitzpatrick 2020-03-20 13:37:45 -07:00
parent 13eed1e88b
commit 33bdcabf03
1 changed files with 2 additions and 2 deletions
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4
wgengine/magicsock/magicsock.go
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@ -894,7 +894,7 @@ func (c *Conn) awaitUDP4(b []byte) {
}
addr := pAddr.(*net.UDPAddr)
if stun.Is(b[:n]) {
c.stunReceiveFunc.Load().(func([]byte, *net.UDPAddr))(b, addr)
c.stunReceiveFunc.Load().(func([]byte, *net.UDPAddr))(b[:n], addr)
continue
}
@ -1002,7 +1002,7 @@ func (c *Conn) ReceiveIPv6(b []byte) (int, conn.Endpoint, *net.UDPAddr, error) {
}
addr := pAddr.(*net.UDPAddr)
if stun.Is(b[:n]) {
c.stunReceiveFunc.Load().(func([]byte, *net.UDPAddr))(b, addr)
c.stunReceiveFunc.Load().(func([]byte, *net.UDPAddr))(b[:n], addr)
continue
}
// TODO(bradfitz): finish. look up addrset, return etc.