71 lines
1.9 KiB
Bash
Executable File
71 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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. /lib/functions.sh
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. ../netifd-proto.sh
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init_proto "$@"
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proto_dhcp_init_config() {
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renew_handler=1
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proto_config_add_string 'ipaddr:ipaddr'
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proto_config_add_string 'hostname:hostname'
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proto_config_add_string clientid
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proto_config_add_string vendorid
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proto_config_add_boolean 'broadcast:bool'
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proto_config_add_string 'reqopts:list(string)'
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proto_config_add_string iface6rd
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proto_config_add_string sendopts
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proto_config_add_boolean delegate
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proto_config_add_string zone6rd
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proto_config_add_string zone
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}
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proto_dhcp_setup() {
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local config="$1"
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local iface="$2"
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local ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd zone
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json_get_vars ipaddr hostname clientid vendorid broadcast reqopts iface6rd sendopts delegate zone6rd zone
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local opt dhcpopts
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for opt in $reqopts; do
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append dhcpopts "-O $opt"
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done
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for opt in $sendopts; do
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append dhcpopts "-x $opt"
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done
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[ "$broadcast" = 1 ] && broadcast="-B" || broadcast=
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[ -n "$clientid" ] && clientid="-x 0x3d:${clientid//:/}" || clientid="-C"
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[ -n "$iface6rd" ] && proto_export "IFACE6RD=$iface6rd"
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[ "$iface6rd" != 0 -a -f /lib/netifd/proto/6rd.sh ] && append dhcpopts "-O 212"
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[ -n "$zone6rd" ] && proto_export "ZONE6RD=$zone6rd"
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[ -n "$zone" ] && proto_export "ZONE=$zone"
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[ "$delegate" = "0" ] && proto_export "IFACE6RD_DELEGATE=0"
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proto_export "INTERFACE=$config"
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proto_run_command "$config" udhcpc \
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-p /var/run/udhcpc-$iface.pid \
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-s /lib/netifd/dhcp.script \
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-f -t 0 -i "$iface" \
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${ipaddr:+-r $ipaddr} \
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${hostname:+-H $hostname} \
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${vendorid:+-V $vendorid} \
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$clientid $broadcast $dhcpopts
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}
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proto_dhcp_renew() {
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local interface="$1"
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# SIGUSR1 forces udhcpc to renew its lease
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local sigusr1="$(kill -l SIGUSR1)"
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[ -n "$sigusr1" ] && proto_kill_command "$interface" $sigusr1
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}
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proto_dhcp_teardown() {
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local interface="$1"
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proto_kill_command "$interface"
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}
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add_protocol dhcp
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