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core/dnsserver: preserve UDP packet destination addresses (#8644)

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* core/dnsserver: preserve UDP packet destination addresses

Signed-off-by: houyuwushang <180804215+houyuwushang@users.noreply.github.com>

* test: modernize reverse UDP reply traversal

Signed-off-by: houyuwushang <180804215+houyuwushang@users.noreply.github.com>

* test: account for Unix IPv4 source-control capabilities

Signed-off-by: houyuwushang <180804215+houyuwushang@users.noreply.github.com>

---------

Signed-off-by: houyuwushang <180804215+houyuwushang@users.noreply.github.com>
This commit is contained in:
houyuwushang
2026-10-21 11:34:18 +08:00
committed by GitHub
parent e7f823b261
commit 0fe7b08fbb
12 changed files with 1026 additions and 3 deletions
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11
core/dnsserver/udp_other.go Normal file
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//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows
package dnsserver
import "net"
const udpOOBSize = 0
func enableUDPPacketInfo(*net.UDPConn) bool { return false }
func parseUDPPacketInfo([]byte, int) udpPacketInfo { return udpPacketInfo{} }
func udpSourceControl(udpPacketInfo) []byte { return nil }