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In some scenarios (e.g. 464xlat) it is desirable to not route the mapped prefix to tayga's interface. This adds an option 'noroutes' which, when set to 1, will prevent such routes from being added. Signed-off-by: Nils Schneider <nils@nilsschneider.net>
97 lines
2.3 KiB
Bash
Executable File
97 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# tayga.sh - TAYGA proto
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# Copyright (c) 2014 OpenWrt.org
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[ -n "$INCLUDE_ONLY" ] || {
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. /lib/functions.sh
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. /lib/functions/network.sh
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. ../netifd-proto.sh
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init_proto "$@"
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}
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proto_tayga_setup() {
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local cfg="$1"
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local iface="$2"
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local link="tayga-$cfg"
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local ipv4_addr ipv6_addr prefix dynamic_pool ipaddr ip6addr noroutes
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json_get_vars ipv4_addr ipv6_addr prefix dynamic_pool ipaddr ip6addr noroutes
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[ -z "$ipv4_addr" -o -z "$prefix" ] && {
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proto_notify_error "$cfg" "REQUIRED_PARAMETERS_MISSING"
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proto_block_restart "$cfg"
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return
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}
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local tmpconf="/var/etc/tayga-$cfg.conf"
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mkdir -p /var/etc
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mkdir -p /var/run/tayga/$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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[ -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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#TODO: Support static mapping of IPv4 <-> IPv6
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# here we create TUN device and check configuration
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tayga -c $tmpconf --mktun
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[ "$?" -ne 0 ] && {
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proto_notify_error "$cfg" "TAYGA_FAILED"
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proto_block_restart "$cfg"
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return
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}
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proto_init_update "$link" 1
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[ -n "$ipaddr" ] && proto_add_ipv4_address "$ipaddr" "255.255.255.255"
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[ -n "$ip6addr" ] && proto_add_ipv6_address "$ip6addr" "128"
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[ "$noroutes" != 1 ] && {
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[ -n "$ipv6_addr" ] && proto_add_ipv6_route "$ipv6_addr" "128"
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[ -n "$dynamic_pool" ] && {
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local pool="${dynamic_pool%%/*}"
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local mask="${dynamic_pool##*/}"
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proto_add_ipv4_route "$pool" "$mask"
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}
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[ -n "$prefix" ] && {
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local prefix6="${prefix%%/*}"
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local mask6="${prefix##*/}"
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proto_add_ipv6_route "$prefix6" "$mask6"
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}
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}
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proto_send_update "$cfg"
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proto_run_command "$cfg" tayga -n -c $tmpconf \
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-p /var/run/$link.pid
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}
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proto_tayga_teardown() {
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local cfg="$1"
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local tmpconf="/var/etc/tayga-$cfg.conf"
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proto_kill_command "$cfg"
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sleep 1
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tayga -c $tmpconf --rmtun
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}
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proto_tayga_init_config() {
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no_device=1
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available=1
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proto_config_add_string "ipv4_addr"
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proto_config_add_string "ipv6_addr"
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proto_config_add_string "prefix"
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proto_config_add_string "dynamic_pool"
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proto_config_add_string "ipaddr"
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proto_config_add_string "ip6addr:ip6addr"
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proto_config_add_boolean "noroutes"
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}
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[ -n "$INCLUDE_ONLY" ] || {
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add_protocol tayga
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}
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