tayga: import from oldpackages
Signed-off-by: Ondrej Caletka <ondrej@caletka.cz>
This commit is contained in:
Ondřej Caletka
parent
57b1ed6aa4
commit
db0236fb85
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# $Id: Makefile 5624 2006-11-23 00:29:07Z nbd $
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include $(TOPDIR)/rules.mk
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PKG_NAME:=tayga
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PKG_VERSION:=0.9.2
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PKG_RELEASE:=1
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PKG_SOURCE:=tayga-$(PKG_VERSION).tar.bz2
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PKG_SOURCE_URL:=http://www.litech.org/tayga/
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PKG_MD5SUM:=7a7b24165ce008df772f398d86fa280e
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PKG_CAT:=bzcat
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PKG_BUILD_DIR:=$(BUILD_DIR)/tayga-$(PKG_VERSION)
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PKG_FIXUP:=autoreconf
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include $(INCLUDE_DIR)/package.mk
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define Package/tayga
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SECTION:=net
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CATEGORY:=Network
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DEPENDS:=+ip +kmod-ipv6 +kmod-tun
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TITLE:=Out-of-kernel stateless NAT64 implementation for Linux
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URL:=http://www.litech.org/tayga/
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endef
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define Package/tayga/description
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TAYGA is an out-of-kernel stateless NAT64 implementation for
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Linux. It uses the TUN driver to exchange packets with the
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kernel, which is the same driver used by OpenVPN and QEMU/KVM.
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endef
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# TODO: port scripts to netifd
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ifdef CONFIG_PACAKGE_netifd
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define Package/tayga/install
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$(INSTALL_DIR) $(1)/usr/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/tayga $(1)/usr/sbin/
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endef
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else
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define Package/tayga/install
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$(INSTALL_DIR) $(1)/usr/sbin $(1)/lib/network $(1)/etc/hotplug.d/iface
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/tayga $(1)/usr/sbin/
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$(INSTALL_DATA) ./files/tayga.sh $(1)/lib/network/tayga.sh
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$(INSTALL_DATA) ./files/tayga.hotplug $(1)/etc/hotplug.d/iface/95-tayga
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endef
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endif
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$(eval $(call BuildPackage,tayga))
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@ -0,0 +1,37 @@
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#!/bin/sh
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if [ "$ACTION" = ifup ]; then
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. /lib/functions.sh
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include /lib/network
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scan_interfaces
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update_tunnel() {
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local cfg="$1"
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local proto
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config_get proto "$cfg" proto
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[ "$proto" = tayga ] || return 0
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local wandev4
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config_get wandev4 "$cfg" wan4_device "$(find_tayga_wanif4)"
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local wandev6
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config_get wandev6 "$cfg" wan6_device "$(find_tayga_wanif6)"
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[ "$wandev4" = "$DEVICE" ] || [ "$wandev6" = "$DEVICE" ] || return 0
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local wanip4=$(find_tayga_wanip4 "$wandev4")
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local wanip6=$(find_tayga_wanip6 "$wandev6")
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[ -n "$wanip4" ] && [ -n "$wanip6" ] && {
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uci_set_state network "$cfg" ipv4addr "$wanip4"
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uci_set_state network "$cfg" ipv6addr "$wanip6"
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logger -t tayga-update "Re-establishing tayga NAT64 due to change on $INTERFACE ($DEVICE)"
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ifup "$cfg" &
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}
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}
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config_foreach update_tunnel interface
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fi
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@ -0,0 +1,152 @@
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# tayga.sh - NAT64 backend
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find_tayga_wanif4() {
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local if=$(ip -4 r l e 0.0.0.0/0); if="${if#default* dev }"; if="${if%% *}"
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[ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if"
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}
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find_tayga_wanip4() {
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local ip=$(ip -4 a s dev "$1"); ip="${ip#*inet }"
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echo "${ip%%[^0-9.]*}"
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}
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find_tayga_wanif6() {
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local if=$(ip -6 r l e ::/0); if="${if#default* dev }"; if="${if%% *}"
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[ -n "$if" ] && grep -qs "^ *$if:" /proc/net/dev && echo "$if"
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}
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find_tayga_wanip6() {
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local ip=$(ip -6 a s dev "$1"); ip="${ip#*inet6 }"
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echo "${ip%%[^0-9A-Fa-f:]*}"
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}
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# Hook into scan_interfaces() to synthesize a .device option
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# This is needed for /sbin/ifup to properly dispatch control
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# to setup_interface_tayga() even if no .ifname is set in
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# the configuration.
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scan_tayga() {
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config_set "$1" device "tayga-$1"
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}
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coldplug_interface_tayga() {
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setup_interface_tayga "tayga-$1" "$1"
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}
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tayga_add_static_mappings() {
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local tmpconf="$1"
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(
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. /lib/functions.sh
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config_load firewall
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tayga_map_rule_add() {
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local cfg="$1"
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local tmpconf="$2"
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local ipv4_addr ipv6_addr
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config_get ipv4_addr "$cfg" ipv4_addr ""
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config_get ipv6_addr "$cfg" ipv6_addr ""
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[ -n "$ipv4_addr" ] && [ -n "$ipv6_addr" ] &&
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echo "map $ipv4_addr $ipv6_addr" >>$tmpconf
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}
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config_foreach tayga_map_rule_add nat64 "$tmpconf"
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)
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}
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setup_interface_tayga() {
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local iface="$1"
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local cfg="$2"
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local link="tayga-$cfg"
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local ipv4_addr ipv6_addr prefix dynamic_pool
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config_get ipv4_addr "$cfg" ipv4_addr
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config_get ipv6_addr "$cfg" ipv6_addr
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config_get prefix "$cfg" prefix
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config_get dynamic_pool "$cfg" dynamic_pool
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local args
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include /lib/network
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scan_interfaces
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local wanip4=$(uci_get network "$cfg" ipv4addr)
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local wanip6=$(uci_get network "$cfg" ipv6addr)
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local wanif4=$(find_tayga_wanif4)
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local wanif6=$(find_tayga_wanif6)
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[ -z "$wanip4" ] && {
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[ -n "$wanif4" ] && {
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wanip4=$(find_tayga_wanip4 "$wanif4")
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uci_set_state network "$cfg" wan4_device "$wanif4"
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}
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}
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[ -z "$wanip6" ] && {
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[ -n "$wanif6" ] && {
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wanip6=$(find_tayga_wanip6 "$wanif6")
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uci_set_state network "$cfg" wan6_device "$wanif6"
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}
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}
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[ -n "$wanip4" ] && [ -n "$wanip6" ] || {
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echo "Cannot determine local IPv4 and IPv6 addressed for tayga NAT64 $cfg - skipping"
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return 1
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}
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local tmpconf="/var/etc/tayga-$cfg.conf"
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args="-c $tmpconf"
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mkdir -p /var/etc
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mkdir -p /var/run/tayga/$cfg
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echo "tun-device $link" >$tmpconf
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echo "ipv4-addr $ipv4_addr" >>$tmpconf
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[ -n "$ipv6_addr" ] &&
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echo "ipv6-addr $ipv6_addr" >>$tmpconf
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[ -n "$prefix" ] &&
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echo "prefix $prefix" >>$tmpconf
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tayga_add_static_mappings "$tmpconf"
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[ -n "$dynamic_pool" ] &&
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echo "dynamic-pool $dynamic_pool" >>$tmpconf
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echo "data-dir /var/run/tayga/$cfg" >>$tmpconf
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# creating the tunnel below will trigger a net subsystem event
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# prevent it from touching or iface by disabling .auto here
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uci_set_state network "$cfg" ifname $link
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uci_set_state network "$cfg" auto 0
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# here we create TUN device and check configuration
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tayga $args --mktun || return 1
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ip link set "$link" up
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ip addr add "$wanip4" dev "$link"
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ip addr add "$wanip6" dev "$link"
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[ -n "$dynamic_pool" ] &&
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ip -4 route add "$dynamic_pool" dev "$link"
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[ -n "$prefix" ] &&
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ip -6 route add "$prefix" dev "$link"
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start-stop-daemon -S -x tayga -- $args -p /var/run/$link.pid
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env -i ACTION="ifup" DEVICE="$link" INTERFACE="$cfg" PROTO="tayga" \
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/sbin/hotplug-call iface
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}
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stop_interface_tayga() {
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local cfg="$1"
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local link="tayga-$cfg"
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env -i ACTION="ifdown" DEVICE="$link" INTERFACE="$cfg" PROTO="tayga" \
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/sbin/hotplug-call iface
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service_kill tayga "/var/run/$link.pid"
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ip link set "$link" down
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ip addr flush dev "$link"
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ip route flush dev "$link"
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}
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@ -0,0 +1,11 @@
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--- a/configure.ac
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+++ b/configure.ac
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@@ -5,8 +5,6 @@ AC_CONFIG_HEADERS(config.h)
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AC_PROG_CC
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-CFLAGS='-g -Wall'
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-
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tayga_conf_path=${sysconfdir}/tayga.conf
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AC_SUBST(tayga_conf_path)
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