172 lines
3.6 KiB
Bash
172 lines
3.6 KiB
Bash
#!/bin/sh /etc/rc.common
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# Copyright (C) 2014 OpenWrt.org
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START=50
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USE_PROCD=1
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# mcproxy_list_iface <var> <section> <option>
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mcproxy_list_iface() {
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local val
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local len
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local _buffer
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local c=1
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config_get len "$2" "${3}_LENGTH"
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[ -z "$len" ] && return 0
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while [ $c -le "$len" ]; do
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config_get val "$2" "${3}_ITEM$c"
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append _buffer "\"${val}\""
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c="$(($c + 1))"
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done
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export "${1}=${_buffer}";
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}
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mcproxy_handle_instances() {
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local instance="$1"
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local conf_file="$2"
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local disabled
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local pre=""
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local name
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local upstream
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local downstream
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config_get_bool disabled "$instance" 'disabled' '0'
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config_get name "$instance" "name" "$instance"
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mcproxy_list_iface upstream "$instance" "upstream"
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mcproxy_list_iface downstream "$instance" "downstream"
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if [ $disabled -eq 1 ]; then
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pre="# "
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fi
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if [ ! -z $upstream ] && [ ! -z $downstream ]; then
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echo -e "${pre}pinstance ${name}: ${upstream} ==> ${downstream};\n" >> $conf_file
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fi
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}
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# mcproxy_list_table <var> <section> <option>
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mcproxy_list_table() {
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local val
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local len
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local _buffer
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local c=1
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config_get len "$2" "${3}_LENGTH"
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[ -z "$len" ] && return 0
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while [ $c -le "$len" ]; do
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config_get val "$2" "${3}_ITEM$c"
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append _buffer "\t${val}\n"
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c="$(($c + 1))"
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done
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export "${1}=${_buffer}";
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}
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mcproxy_handle_tables() {
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local table="$1"
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local conf_file="$2"
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local table_name
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local table_entries
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config_get table_name "$table" "name" ""
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mcproxy_list_table table_entries "$table" "entries"
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if [ ! -z $name ] && [ ! -z $table ]; then
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echo -e "table $table_name {\n" >> $conf_file
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echo -e "$table_entries\n" >> $conf_file
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echo -e "};\n" >> $conf_file
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fi
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}
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mcproxy_handle_behaviour() {
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local behaviour="$1"
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local conf_file="$2"
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local disabled
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local pre=""
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local instance
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local section
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local interface
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local direction
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local rulematching
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local table
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config_get_bool disabled "$behaviour" 'disabled' '0'
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config_get instance "$behaviour" "instance"
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config_get section "$behaviour" "section" "upstream"
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config_get interface "$behaviour" "interface" "*"
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config_get direction "$behaviour" "direction" "in"
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config_get rulematching "$behaviour" "rulematching"
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config_get table "$behaviour" "table"
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if [ -z $instance ]; then
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return 1
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fi
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local rule_table
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if [ ! -z $rulematching ]; then
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rule_table="rulematching $rulematching"
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elif [ ! -z $table ]; then
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local whitelist
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local list
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config_get_bool whitelist "$behaviour" 'whitelist' '0'
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if [ $whitelist -eq 1 ]; then
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list="whitelist"
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else
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list="blacklist"
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fi
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rule_table="$list table $table"
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else
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rule_table="rulematching all"
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fi
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if [ $disabled -eq 1 ]; then
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pre="# "
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fi
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echo -e "${pre}pinstance $instance $section $interface $direction $rule_table;\n" >> $conf_file
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}
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start_instance() {
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local cfg="$1"
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local aux
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local conf_file
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config_get_bool aux "$cfg" 'disabled' '0'
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[ "$aux" = 1 ] && return 1
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config_get conf_file "$cfg" "file"
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if [ ! -n "$conf_file" ]; then
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conf_file="/var/etc/mcproxy_${cfg}.conf"
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local protocol
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config_get protocol "$cfg" "protocol" "IGMPv3"
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echo -e "protocol ${protocol};\n" > $conf_file
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config_foreach mcproxy_handle_instances instance $conf_file
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config_foreach mcproxy_handle_tables table $conf_file
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config_foreach mcproxy_handle_behaviour behaviour $conf_file
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fi
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procd_open_instance
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procd_set_param command /usr/sbin/mcproxy
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procd_append_param command -f $conf_file
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config_get_bool aux "$cfg" 'respawn' '0'
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[ "$aux" = 1 ] && procd_set_param respawn
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procd_close_instance
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}
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service_triggers() {
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procd_add_reload_trigger "mcproxy"
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}
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start_service() {
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config_load mcproxy
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config_foreach start_instance mcproxy
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}
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