mirror of
https://dev.iopsys.eu/feed/iopsys.git
synced 2025-12-10 07:44:50 +01:00
140 lines
2.7 KiB
Bash
Executable file
140 lines
2.7 KiB
Bash
Executable file
#!/bin/sh /etc/rc.common
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START=99
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USE_PROCD=1
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log() {
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echo "${@}"|logger -t easy_qos.ebtable -p debug
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}
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exec_log() {
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${@}
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if [ "${?}" -ne 0 ]; then
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log "Failed to create ${@}";
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fi
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}
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get_priority() {
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local prio=$(echo $1|tr [A-Z] [a-z]);
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case "${prio}" in
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"lowest")
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echo 0;;
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"low")
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echo 1;;
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"besteffort")
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echo 2;;
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"normal")
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echo 3;;
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"video")
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echo 4;;
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"medium")
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echo 5;;
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"high")
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echo 6;;
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"highest")
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echo 7;;
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esac
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}
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validate_rule_section()
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{
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uci_validate_section easy_qos rule "${1}" \
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'priority:string' \
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'macaddr:string' \
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'proto:string:none' \
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'port:list(uinteger)' \
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'comment:string:none'
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}
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# Clear existing rules before applying new rules
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clear_existing_rules() {
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local rule=$(ebtables -t broute -L BROUTING|grep -m 1 mark)
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while [ -n "${rule}" ]; do
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exec_log ebtables -t broute -D BROUTING ${rule}
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rule=$(ebtables -t broute -L BROUTING|grep -m 1 mark)
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done
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}
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create_rule() {
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local protocol=$1; shift
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local mac=$1; shift
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local mark="0x$1"; shift
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local forward_port=$1;
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local cmd="";
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local protocol_number
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cmd="-j mark --mark-or ${mark}";
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if [ -n "${forward_port}" ]; then
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cmd="--ip-destination-port ${forward_port} ${cmd}";
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fi
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case "${protocol}" in
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"tcp")
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protocol_number=6;;
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"udp")
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protocol_number=17;;
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"dccp")
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protocol_number=33;;
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"sctp")
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protocol_number=132;;
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*)
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log "Protocol ${protocol} not supported in ebtables"
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return;;
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esac
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cmd="--ip-proto ${protocol_number} $cmd"
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cmd="-p ip $cmd"
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cmd="-s ${mac} $cmd"
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exec_log ebtables -t broute -A BROUTING ${cmd}
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}
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manage_rule() {
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local cfg="$1"
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local priority macaddr proto port comment prio_num protocol
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validate_rule_section "${1}" || {
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log "Validation of section failed"
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return 1;
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}
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protocol=$(echo ${proto}|tr [A-Z] [a-z])
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prio_num=$(get_priority ${priority})
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if [ -n "${macaddr}" -a -n "${prio_num}" ]; then
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for p in ${port}; do
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if [ "${protocol}" == "none" -o "${protocol}" == "tcpudp" ]; then
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create_rule tcp ${macaddr} ${prio_num} ${p}
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create_rule udp ${macaddr} ${prio_num} ${p}
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else
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create_rule ${protocol} ${macaddr} ${prio_num} ${p}
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fi
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done
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# Create rule for all ports if port is not mentioned in uci
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if [ -z "${port}" ]; then
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if [ "${protocol}" == "none" -o "${protocol}" == "tcpudp" ]; then
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create_rule tcp ${macaddr} ${prio_num}
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create_rule udp ${macaddr} ${prio_num}
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else
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create_rule ${protocol} ${macaddr} ${prio_num}
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fi
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fi
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fi
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}
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reload_service() {
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# Do not apply rules if ebtables is not present in system
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[ -x /usr/sbin/ebtables ] || return;
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clear_existing_rules
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config_load easy_qos
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config_foreach manage_rule rule
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}
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start_service() {
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reload_service
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}
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service_triggers() {
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procd_add_reload_trigger "easy_qos"
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}
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