brianhansonxyz/vpnhotspotmod
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Only redirect DNS packets going to host dnsmasq

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This commit is contained in:
Mygod
2018-01-04 13:26:49 +08:00
parent c49e8865d9
commit 98590f743f
1 changed files with 3 additions and 2 deletions
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5
mobile/src/main/java/be/mygod/vpnhotspot/HotspotService.kt
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@@ -69,6 +69,7 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
if (info.groupFormed && info.isGroupOwner && if (info.groupFormed && info.isGroupOwner &&
downstream != null && this@HotspotService.downstream == null) { downstream != null && this@HotspotService.downstream == null) {
this@HotspotService.downstream = downstream this@HotspotService.downstream = downstream
val ip = info.groupOwnerAddress.hostAddress
if (noisySu("echo 1 >/proc/sys/net/ipv4/ip_forward", if (noisySu("echo 1 >/proc/sys/net/ipv4/ip_forward",
"ip route add default dev $upstream scope link table 62", "ip route add default dev $upstream scope link table 62",
"ip route add $route dev $downstream scope link table 62", "ip route add $route dev $downstream scope link table 62",
@@ -78,8 +79,8 @@ class HotspotService : Service(), WifiP2pManager.ChannelListener {
"iptables -A vpnhotspot_fwd -i $upstream -o $downstream -m state --state ESTABLISHED,RELATED -j ACCEPT", "iptables -A vpnhotspot_fwd -i $upstream -o $downstream -m state --state ESTABLISHED,RELATED -j ACCEPT",
"iptables -A vpnhotspot_fwd -i $downstream -o $upstream -j ACCEPT", "iptables -A vpnhotspot_fwd -i $downstream -o $upstream -j ACCEPT",
"iptables -I FORWARD -j vpnhotspot_fwd", "iptables -I FORWARD -j vpnhotspot_fwd",
"iptables -t nat -A PREROUTING -i $downstream -p tcp --dport 53 -j DNAT --to-destination $dns", "iptables -t nat -A PREROUTING -i $downstream -p tcp -d $ip --dport 53 -j DNAT --to-destination $dns",
"iptables -t nat -A PREROUTING -i $downstream -p udp --dport 53 -j DNAT --to-destination $dns")) { "iptables -t nat -A PREROUTING -i $downstream -p udp -d $ip --dport 53 -j DNAT --to-destination $dns")) {
doStart(group) doStart(group)
} else startFailure("Something went wrong, please check logcat.") } else startFailure("Something went wrong, please check logcat.")
} }