forked from extern/shorewall_code
Experimental modularization of Shorewall functions
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4380 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
234aa082e5
commit
bc3054b011
1163
Shorewall/compiler
1163
Shorewall/compiler
File diff suppressed because it is too large
Load Diff
@ -1588,676 +1588,14 @@ get_device_mtu() # $1 = device
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fi
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}
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#
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# Arne Bernin's 'tc4shorewall'
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#
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setup_traffic_shaping()
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{
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local mtu r2q tc_all_devices device mark rate ceil prio options devfile=$(find_file tcdevices) classfile=$(find_file tcclasses) devnum=1 last_device=
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r2q=10
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rate_to_kbit() {
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local rateunit rate
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rate=$1
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rateunit=$( echo $rate | sed -e 's/[0-9]*//')
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rate=$( echo $rate | sed -e 's/[a-z]*//g')
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case $rateunit in
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kbit)
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rate=$rate
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;;
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mbit)
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rate=$(expr $rate \* 1024)
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;;
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mbps)
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rate=$(expr $rate \* 8192)
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;;
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kbps)
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rate=$(expr $rate \* 8)
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;;
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*)
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rate=$(expr $rate / 128)
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;;
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esac
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echo $rate
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}
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calculate_quantum() {
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local rate=$(rate_to_kbit $1)
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echo $(( $rate * ( 128 / $r2q ) ))
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}
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# get given outbandwidth for device
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get_outband_for_dev() {
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local device inband outband
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while read device inband outband; do
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expandv device inband outband
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tcdev="$device $inband $outband"
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if [ "$1" = "$device" ] ; then
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echo $outband
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return
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fi
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done < $TMP_DIR/tcdevices
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}
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check_tcclasses_options() {
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while [ $# -gt 1 ]; do
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shift
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case $1 in
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default|tcp-ack|tos-minimize-delay|tos-maximize-throughput|tos-maximize-reliability|tos-minimize-cost|tos-normal-service)
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;;
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tos=0x[0-9a-f][0-9a-f]|tos=0x[0-9a-f][0-9a-f]/0x[0-9a-f][0-9a-f])
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;;
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*)
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echo $1
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return 1
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;;
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esac
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done
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return 0
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}
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get_defmark_for_dev() {
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local searchdev searchmark device ceil prio options
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searchdev=$1
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while read device mark rate ceil prio options; do
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expandv device mark rate ceil prio options
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options=$(separate_list $options | tr '[A-Z]' '[a-z]')
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tcdev="$device $mark $rate $ceil $prio $options"
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if [ "$searchdev" = "$device" ] ; then
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list_search "default" $options && echo $mark &&return 0
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fi
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done < $TMP_DIR/tcclasses
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return 1
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}
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check_defmark_for_dev() {
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get_defmark_for_dev $1 >/dev/null
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}
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validate_tcdevices_file() {
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progress_message2 "Validating $devfile..."
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local device local device inband outband
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while read device inband outband; do
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expandv device inband outband
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tcdev="$device $inband $outband"
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check_defmark_for_dev $device || fatal_error "Option default is not defined for any class in tcclasses for interface $device"
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case $interface in
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*:*|+)
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fatal_error "Invalid Interface Name: $interface"
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;;
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esac
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list_search $device $devices && fatal_error "Interface $device is defined more than once in tcdevices"
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tc_all_devices="$tc_all_devices $device"
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done < $TMP_DIR/tcdevices
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}
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validate_tcclasses_file() {
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progress_message2 "Validating $classfile..."
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local classlist device mark rate ceil prio bandw wrongopt allopts opt
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allopts=""
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while read device mark rate ceil prio options; do
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expandv device mark rate ceil prio options
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tcdev="$device $mark $rate $ceil $prio $options"
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ratew=$(get_outband_for_dev $device)
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options=$(separate_list $options | tr '[A-Z]' '[a-z]')
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for opt in $options; do
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case $opt in
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tos=0x??)
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opt="$opt/0xff"
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;;
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esac
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list_search "$device-$opt" $allopts && fatal_error "option $opt already defined in a chain for interface $device in tcclasses"
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allopts="$allopts $device-$opt"
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done
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wrongopt=$(check_tcclasses_options $options) || fatal_error "unknown option $wrongopt for class iface $device mark $mark in tcclasses file"
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if [ -z "$ratew" ] ; then
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fatal_error "device $device seems not to be configured in tcdevices"
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fi
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list_search "$device-$mark" $classlist && fatal_error "Mark $mark for interface $device defined more than once in tcclasses"
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#
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# Convert HEX/OCTAL mark representation to decimal
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#
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mark=$(($mark))
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verify_mark $mark
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[ $mark -lt 256 ] || fatal_error "Invalid Mark Value"
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classlist="$classlist $device-$mark"
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done < $TMP_DIR/tcclasses
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}
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add_root_tc() {
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local defmark dev indent
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dev=$(chain_base $device)
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if [ "$COMMAND" = compile ]; then
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save_command "if qt ip link ls dev $device; then"
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indent="$INDENT"
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INDENT="$INDENT "
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save_command ${dev}_exists=Yes
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save_command qt tc qdisc del dev $device root
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save_command qt tc qdisc del dev $device ingress
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elif ! qt ip link ls dev $device; then
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error_message "WARNING: Device $device not found -- traffic-shaping configuration skipped"
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return 1
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fi
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defmark=$(get_defmark_for_dev $device)
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run_tc qdisc add dev $device root handle $devnum: htb default 1$defmark
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if [ "$COMMAND" = compile ]; then
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save_command "${dev}_mtu=\$(get_device_mtu $device)"
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run_tc "class add dev $device parent $devnum: classid $devnum:1 htb rate $outband mtu \$${dev}_mtu"
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else
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run_tc class add dev $device parent $devnum: classid $devnum:1 htb rate $outband mtu $(get_device_mtu $device)
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fi
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run_tc qdisc add dev $device handle ffff: ingress
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run_tc filter add dev $device parent ffff: protocol ip prio 50 u32 match ip src 0.0.0.0/0 police rate ${inband} burst 10k drop flowid :1
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eval ${dev}_devnum=$devnum
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devnum=$(($devnum + 1))
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if [ "$COMMAND" = compile ]; then
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save_progress_message_short " TC Device $tcdev defined."
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INDENT="$indent"
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save_command else
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INDENT="$INDENT "
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save_command error_message "\"WARNING: Device $device not found -- traffic-shaping configuration skipped\""
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save_command "${dev}_exists="
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INDENT="$indent"
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save_command "fi"
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save_command
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fi
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return 0
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}
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add_tc_class() {
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local full classid tospair tosmask quantum indent
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dev=$(chain_base $device)
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if [ "$COMMAND" = compile ]; then
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save_command "if [ -n \"\$${dev}_exists\" ] ; then"
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indent="$INDENT"
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INDENT="$INDENT "
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else
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qt ip link ls dev $device || return 1
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fi
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full=$(get_outband_for_dev $device)
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full=$(rate_to_kbit $full)
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if [ -z "$prio" ] ; then
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prio=1
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fi
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case $rate in
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*full*)
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rate=$(echo $rate | sed -e "s/full/$full/")
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rate="$(($rate))kbit"
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;;
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esac
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case $ceil in
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*full*)
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ceil=$(echo $ceil | sed -e "s/full/$full/")
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ceil="$(($ceil))kbit"
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;;
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esac
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eval devnum=\$${dev}_devnum
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#
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# Convert HEX/OCTAL mark representation to decimal
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#
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mark=$(($mark))
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classid=$devnum:1$mark
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[ -n "$devnum" ] || fatal_error "Device $device not defined in $devfile"
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quantum=$(calculate_quantum $rate)
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if [ "$COMMAND" = compile ]; then
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save_command "[ \$${dev}_mtu -gt $quantum ] && quantum=\$${dev}_mtu || quantum=$quantum"
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run_tc "class add dev $device parent $devnum:1 classid $classid htb rate $rate ceil $ceil prio $prio mtu \$${dev}_mtu quantum \$quantum"
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else
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[ "$last_device" = $device ] || mtu=$(get_device_mtu $device)
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[ $mtu -gt $quantum ] && quantum=$mtu
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run_tc class add dev $device parent $devnum:1 classid $classid htb rate $rate ceil $ceil prio $prio mtu $mtu quantum $quantum
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fi
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run_tc qdisc add dev $device parent $classid handle 1$mark: sfq perturb 10
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# add filters
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if [ -n "$CLASSIFY_TARGET" ]; then
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run_iptables -t mangle -A tcpost $(match_dest_dev $device) -m mark --mark $mark/0xFF -j CLASSIFY --set-class $classid
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else
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run_tc filter add dev $device protocol ip parent $devnum:0 prio 1 handle $mark fw classid $classid
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fi
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#options
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list_search "tcp-ack" $options && run_tc filter add dev $device parent $devnum:0 protocol ip prio 10 u32 match ip protocol 6 0xff match u8 0x05 0x0f at 0 match u16 0x0000 0xffc0 at 2 match u8 0x10 0xff at 33 flowid $classid
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list_search "tos-minimize-delay" $options && options="$options tos=0x10/0x10"
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list_search "tos-maximize-throughput" $options && options="$options tos=0x08/0x08"
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list_search "tos-maximize-reliability" $options && options="$options tos=0x04/0x04"
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list_search "tos-minimize-cost" $options && options="$options tos=0x02/0x02"
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list_search "tos-normal-service" $options && options="$options tos=0x00/0x1e"
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for tospair in $(list_walk "tos=" $options) ; do
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case $tospair in
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*/*)
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tosmask=${tospair##*/}
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;;
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*)
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tosmask=0xff
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;;
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esac
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run_tc filter add dev $device parent $devnum:0 protocol ip prio 10 u32 match ip tos ${tospair%%/*} $tosmask flowid $classid
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done
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if [ "$COMMAND" = compile ]; then
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save_progress_message_short " TC Class $tcdev defined."
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INDENT="$indent"
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save_command fi
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save_command
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fi
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return 0
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}
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strip_file tcdevices $devfile
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strip_file tcclasses $classfile
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validate_tcdevices_file
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validate_tcclasses_file
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if [ -s $TMP_DIR/tcdevices ]; then
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[ $COMMAND = compile ] && save_progress_message "Setting up Traffic Control..."
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progress_message2 "$DOING $devfile..."
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while read device inband outband; do
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expandv device inband outband
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tcdev="$device $inband $outband"
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add_root_tc && progress_message " TC Device $tcdev defined."
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done < $TMP_DIR/tcdevices
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fi
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if [ -s $TMP_DIR/tcclasses ]; then
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progress_message2 "$DOING $classfile..."
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while read device mark rate ceil prio options; do
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expandv device mark rate ceil prio options
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tcdev="$device $mark $rate $ceil $prio $options"
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options=$(separate_list $options | tr '[A-Z]' '[a-z]')
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add_tc_class && progress_message " TC Class $tcdev defined."
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last_device=$device
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done < $TMP_DIR/tcclasses
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fi
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}
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#
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# Process a TC Rule - $MARKING_CHAIN is assumed to contain the name of the
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# default marking chain
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#
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process_tc_rule()
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{
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local did_connmark=
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chain=$MARKING_CHAIN target="MARK --set-mark" marktest=
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verify_designator() {
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[ "$chain" = tcout ] && \
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fatal_error "Chain designator not allowed when source is \$FW; rule \"$rule\""
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chain=$1
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mark="${mark%:*}"
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}
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do_ipp2p()
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{
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[ -n "$IPP2P_MATCH" ] || fatal_error "Your kernel and/or iptables does not have IPP2P match support. Rule: \"$rule\""
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[ "x$port" = "x-" ] && port="ipp2p"
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case $proto in
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*:*)
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proto=${proto#*:}
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;;
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*)
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proto=tcp
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;;
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esac
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r="${r}-p $proto -m ipp2p --${port} "
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}
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verify_small_mark()
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{
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verify_mark $1
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[ $(($1)) -lt 256 ] || fatal_error "Mark Value ($1) too larg, rule \"$rule\""
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}
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do_connmark()
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{
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target="CONNMARK --set-mark"
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mark=$mark/0xff
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did_connmark=Yes
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}
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validate_mark()
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{
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case $1 in
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*/*)
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verify_mark ${1%/*}
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verify_mark ${1#*/}
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;;
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*)
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verify_mark $1
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;;
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esac
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}
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add_a_tc_rule() {
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r=
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if [ "x$source" != "x-" ]; then
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case $source in
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$FW:*)
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chain=tcout
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r="$(source_ip_range ${source#*:}) "
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;;
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*:*)
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interface=${source%:*}
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verify_interface $interface || fatal_error "Unknown interface $interface in rule \"$rule\""
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r="$(match_source_dev $interface) $(source_ip_range ${source#*:}) "
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;;
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*.*.*|+*|!+*)
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r="$(source_ip_range $source) "
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;;
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~*|!~*)
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r="$(mac_match $source) "
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;;
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$FW)
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chain=tcout
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;;
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*)
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verify_interface $source || fatal_error "Unknown interface $source in rule \"$rule\""
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r="$(match_source_dev $source) "
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;;
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esac
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fi
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if [ "x${user:--}" != "x-" ]; then
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[ "$chain" != tcout ] && \
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fatal_error "Invalid use of a user/group: rule \"$rule\""
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r="$r-m owner"
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case "$user" in
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*+*)
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r="$r --cmd-owner ${user#*+} "
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user=${user%+*}
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;;
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esac
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case "$user" in
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*:*)
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temp="${user%:*}"
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[ -n "$temp" ] && r="$r --uid-owner $temp "
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temp="${user#*:}"
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[ -n "$temp" ] && r="$r --gid-owner $temp "
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;;
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*)
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[ -n "$user" ] && r="$r --uid-owner $user "
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;;
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esac
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fi
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[ -n "$marktest" ] && r="${r}-m ${marktest}--mark $testval "
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if [ "x$dest" != "x-" ]; then
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case $dest in
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*:*)
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[ "$chain" = tcpre ] && fatal_error "Destination interface is not allowed in the PREROUTING chain - rule \"$rule\""
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interface=${dest%:*}
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verify_interface $interface || fatal_error "Unknown interface $interface in rule \"$rule\""
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r="$(match_dest_dev $interface) $(dest_ip_range ${dest#*:}) "
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;;
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*.*.*|+*|!+*)
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r="${r}$(dest_ip_range $dest) "
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;;
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*)
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[ "$chain" = tcpre ] && fatal_error "Destination interface is not allowed in the PREROUTING chain - rule \"$rule\""
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verify_interface $dest || fatal_error "Unknown interface $dest in rule \"$rule\""
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r="${r}$(match_dest_dev $dest) "
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;;
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esac
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fi
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if [ "x${length:=-}" != "x-" ]; then
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[ -n "$LENGTH_MATCH" ] || fatal_error "Your kernel and/or iptables does not have length match support. Rule: \"$rule\""
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r="${r}-m length --length ${length} "
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fi
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if [ "x${tos:=-}" != "x-" ]; then
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r="${r}-m tos --tos ${tos} "
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fi
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multiport=
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case $proto in
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ipp2p|IPP2P|ipp2p:*|IPP2P:*)
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do_ipp2p
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;;
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icmp|ICMP|1)
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r="${r}-p icmp "
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[ "x$port" = "x-" ] || r="${r}--icmp-type $port"
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;;
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*)
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[ "x$proto" = "x-" ] && proto=all
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[ "x$proto" = "x" ] && proto=all
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[ "$proto" = "all" ] || r="${r}-p $proto "
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[ "x$port" = "x-" ] || r="${r}--dport $port "
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;;
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esac
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[ "x$sport" = "x-" ] || r="${r}--sport $sport "
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||||
|
||||
if [ -n "${excludesources}${excludedests}" ]; then
|
||||
build_exclusion_chain chain1 mangle "$excludesources" "$excludedests"
|
||||
|
||||
run_iptables2 -t mangle -A $chain $r -j $chain1
|
||||
|
||||
run_iptables -t mangle -A $chain1 -j $target $mark
|
||||
else
|
||||
run_iptables2 -t mangle -A $chain $r -j $target $mark
|
||||
fi
|
||||
|
||||
}
|
||||
|
||||
if [ "$mark" != "${mark%:*}" ]; then
|
||||
case "${mark#*:}" in
|
||||
p|P)
|
||||
verify_designator tcpre
|
||||
;;
|
||||
cp|CP)
|
||||
verify_designator tcpre
|
||||
do_connmark
|
||||
;;
|
||||
f|F)
|
||||
verify_designator tcfor
|
||||
;;
|
||||
cf|CF)
|
||||
verify_designator tcfor
|
||||
do_connmark
|
||||
;;
|
||||
c|C)
|
||||
mark=${mark%:*}
|
||||
do_connmark
|
||||
;;
|
||||
*)
|
||||
chain=tcpost
|
||||
target="CLASSIFY --set-class"
|
||||
;;
|
||||
esac
|
||||
|
||||
fi
|
||||
|
||||
mask=0xffff
|
||||
|
||||
case $mark in
|
||||
SAVE)
|
||||
[ -n "$did_connmark" ] && fatal_error "SAVE not valid with :C[FP]"
|
||||
target="CONNMARK --save-mark --mask 0xFF"
|
||||
mark=
|
||||
;;
|
||||
SAVE/*)
|
||||
[ -n "$did_connmark" ] && fatal_error "SAVE not valid with :C[FP]"
|
||||
target="CONNMARK --save-mark --mask"
|
||||
mark=${mark#*/}
|
||||
verify_small_mark $mark
|
||||
;;
|
||||
RESTORE)
|
||||
[ -n "$did_connmark" ] && fatal_error "RESTORE not valid with :C[FP]"
|
||||
target="CONNMARK --restore-mark --mask 0xFF"
|
||||
mark=
|
||||
;;
|
||||
RESTORE/*)
|
||||
[ -n "$did_connmark" ] && fatal_error "RESTORE not valid with :C[FP]"
|
||||
target="CONNMARK --restore-mark --mask"
|
||||
mark=${mark#*/}
|
||||
verify_small_mark $mark
|
||||
;;
|
||||
CONTINUE)
|
||||
[ -n "$did_connmark" ] && fatal_error "CONTINUE not valid with :C[FP]"
|
||||
target=RETURN
|
||||
mark=
|
||||
;;
|
||||
*)
|
||||
if [ "$chain" != tcpost ]; then
|
||||
validate_mark $mark
|
||||
if [ $((${mark%/*})) -gt 255 ]; then
|
||||
case $chain in
|
||||
tcpre|tcout)
|
||||
target="MARK --or-mark"
|
||||
;;
|
||||
*)
|
||||
fatal_error "Invalid mark value ($mark) in rule \"$rule\""
|
||||
;;
|
||||
esac
|
||||
elif [ $((${mark%/*})) -ne 0 -a -n "$HIGH_ROUTE_MARKS" -a $chain = tcpre ]; then
|
||||
fatal_error "Marks < 256 may not be set in the PREROUTING chain when HIGH_ROUTE_MARKS=Yes"
|
||||
fi
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
|
||||
case $testval in
|
||||
-)
|
||||
;;
|
||||
!*:C)
|
||||
marktest="connmark ! "
|
||||
testval=${testval%:*}
|
||||
testval=${testval#!}
|
||||
;;
|
||||
*:C)
|
||||
marktest="connmark "
|
||||
testval=${testval%:*}
|
||||
;;
|
||||
!*)
|
||||
marktest="mark ! "
|
||||
testval=${testval#!}
|
||||
;;
|
||||
*)
|
||||
[ -n "$testval" ] && marktest="mark "
|
||||
;;
|
||||
esac
|
||||
|
||||
if [ -n "$marktest" ] ; then
|
||||
case $testval in
|
||||
*/*)
|
||||
verify_mark ${testval%/*}
|
||||
verify_mark ${testval#*/}
|
||||
;;
|
||||
*)
|
||||
verify_mark $testval
|
||||
testval=$testval/$mask
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
excludesources=
|
||||
|
||||
case ${sources:=-} in
|
||||
*!*!*)
|
||||
fatal_error "Invalid SOURCE in rule \"$rule\""
|
||||
;;
|
||||
!*)
|
||||
if [ $(list_count $sources) -gt 1 ]; then
|
||||
excludesources=${sources#!}
|
||||
sources=-
|
||||
fi
|
||||
;;
|
||||
*!*)
|
||||
excludesources=${sources#*!}
|
||||
sources=${sources%!*}
|
||||
;;
|
||||
esac
|
||||
|
||||
excludedests=
|
||||
|
||||
case ${dests:=-} in
|
||||
*!*!*)
|
||||
fatal_error "Invalid DEST in rule \"$rule\""
|
||||
;;
|
||||
!*)
|
||||
if [ $(list_count $dests) -gt 1 ]; then
|
||||
excludedests=${dests#*!}
|
||||
dests=-
|
||||
fi
|
||||
;;
|
||||
*!*)
|
||||
excludedests=${dests#*!}
|
||||
dests=${dests%!*}
|
||||
;;
|
||||
esac
|
||||
|
||||
for source in $(separate_list $sources); do
|
||||
for dest in $(separate_list $dests); do
|
||||
for port in $(separate_list ${ports:=-}); do
|
||||
for sport in $(separate_list ${sports:=-}); do
|
||||
add_a_tc_rule
|
||||
done
|
||||
done
|
||||
done
|
||||
done
|
||||
|
||||
progress_message " TC Rule \"$rule\" $DONE"
|
||||
[ $COMMAND = compile ] && save_progress_message " TC Rule \"$rule\" Added"
|
||||
}
|
||||
|
||||
delete_tc1()
|
||||
{
|
||||
clear_one_tc() {
|
||||
tc qdisc del dev $1 root 2> /dev/null
|
||||
tc qdisc del dev $1 ingress 2> /dev/null
|
||||
|
||||
}
|
||||
|
||||
run_user_exit tcclear
|
||||
|
||||
run_ip link list | \
|
||||
while read inx interface details; do
|
||||
case $inx in
|
||||
[0-9]*)
|
||||
clear_one_tc ${interface%:}
|
||||
;;
|
||||
*)
|
||||
;;
|
||||
esac
|
||||
done
|
||||
}
|
||||
|
||||
SHOREWALL_LIBRARY=Loaded
|
||||
|
||||
for lib in ${SHAREDIR}/lib.*; do
|
||||
case $lib in
|
||||
${SHAREDIR}/lib.\*)
|
||||
;;
|
||||
*)
|
||||
. $clib
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
Loading…
Reference in New Issue
Block a user