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services: wireguard: fix server routing

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I had made a mistake, hard-coding the server as being `1` for its client
number, instead of using the one configured from its peer configuration.
This commit is contained in:
Bruno BELANYI 2021-04-24 11:04:47 +00:00
parent 26eac86de0
commit 196f9a3e34
1 changed files with 12 additions and 4 deletions
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16
services/wireguard.nix
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@ -174,15 +174,23 @@ in
networking.wg-quick.interfaces."${cfg.iface}" = {
postUp = with cfg.net; ''
${pkgs.iptables}/bin/iptables -A FORWARD -i ${cfg.iface} -j ACCEPT
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING -s ${v4.subnet}.1/${toString v4.mask} -o ${extIface} -j MASQUERADE
${pkgs.iptables}/bin/iptables -t nat -A POSTROUTING \
-s ${v4.subnet}.${toString thisPeer.clientNum}/${toString v4.mask} \
-o ${extIface} -j MASQUERADE
${pkgs.iptables}/bin/ip6tables -A FORWARD -i ${cfg.iface} -j ACCEPT
${pkgs.iptables}/bin/ip6tables -t nat -A POSTROUTING -s ${v6.subnet}::1/${toString v6.mask} -o ${extIface} -j MASQUERADE
${pkgs.iptables}/bin/ip6tables -t nat -A POSTROUTING \
-s ${v6.subnet}::${toString thisPeer.clientNum}/${toString v6.mask} \
-o ${extIface} -j MASQUERADE
'';
preDown = with cfg.net; ''
${pkgs.iptables}/bin/iptables -D FORWARD -i ${cfg.iface} -j ACCEPT
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING -s ${v4.subnet}.1/${toString v4.mask} -o ${extIface} -j MASQUERADE
${pkgs.iptables}/bin/iptables -t nat -D POSTROUTING \
-s ${v4.subnet}.${toString thisPeer.clientNum}/${toString v4.mask} \
-o ${extIface} -j MASQUERADE
${pkgs.iptables}/bin/ip6tables -D FORWARD -i ${cfg.iface} -j ACCEPT
${pkgs.iptables}/bin/ip6tables -t nat -D POSTROUTING -s ${v6.subnet}::1/${toString v6.mask} -o ${extIface} -j MASQUERADE
${pkgs.iptables}/bin/ip6tables -t nat -D POSTROUTING \
-s ${v6.subnet}::${toString thisPeer.clientNum}/${toString v6.mask} \
-o ${extIface} -j MASQUERADE
'';
};
})