[v2] Add package fff-layer3-ipv4snat #79
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@ -0,0 +1,32 @@
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include $(TOPDIR)/rules.mk
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PKG_NAME:=fff-layer3-snat
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PKG_RELEASE:=1
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include $(INCLUDE_DIR)/package.mk
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define Package/fff-layer3-snat
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SECTION:=base
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CATEGORY:=Freifunk
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TITLE:=Freifunk-Franken layer3 configuration with SNAT
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URL:=https://www.freifunk-franken.de
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DEPENDS:= \
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+iptables-mod-nat-extra \
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+fff-firewall \
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+fff-layer3-config
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endef
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define Package/fff-layer3-snat/description
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With this package it is possible to make SNAT with IPv4 on the router
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endef
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define Build/Compile
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# nothing
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endef
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define Package/fff-layer3-snat/install
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$(CP) ./files/* $(1)/
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endef
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$(eval $(call BuildPackage,fff-layer3-snat))
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@ -0,0 +1,36 @@
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configure() {
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# first we delete the snat config
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uci -q del network.client.fff_snat
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uci -q del network.client.fff_snat_routerip
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if [ "$(uci -q get gateway.@client[0].snat)" = '1' ]; then
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# first check the config is plausible
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routerip=$(uci -q get gateway.meta.routerip)
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if ! $routerip; then
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echo "ERROR: No routerip set, which is required for SNAT!"
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return 1
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fi
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if ! uci -q get gateway.@client[0].ipaddr; then
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echo "ERROR: No ipaddr set, which is required for SNAT!"
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return 1
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fi
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# keep only the first IP
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routerip=${routerip%% *}
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# keep only the IP without the CIDR
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routerip=${routerip%%/*}
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# We set the snat config
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uci set network.client.fff_snat=1
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uci set network.client.fff_snat_sourceip=$routerip
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fi
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}
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apply() {
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uci commit network
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}
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revert() {
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uci revert network
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}
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@ -0,0 +1,3 @@
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if [ "$(uci -q get network.client.fff_snat)" = '1' ]; then
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iptables -t nat -A POSTROUTING -i br-client -j SNAT --to-source $(uci -q get network.client.fff_snat_sourceip)
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fi
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@ -15,6 +15,7 @@ define Package/fff-layer3
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+fff-boardname \
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+fff-dhcp \
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+fff-layer3-config \
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+fff-layer3-snat \
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+fff-network \
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+fff-ra \
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+fff-wireguard \
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