mirror of
https://gitlab.com/shorewall/code.git
synced 2024-11-08 00:34:04 +01:00
Modularize tcrules processing
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@4453 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
f6cb3ecd77
commit
6640720954
@ -1497,347 +1497,6 @@ build_exclusion_chain() # $1 = variable to store chain name into $2 = table, $3
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eval $1=$c
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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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[ $chain = tcpost ] || chain=tcout
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r="$(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 = tcpost ] || 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}${excludedests}" ]; then
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build_exclusion_chain chain1 mangle "$excludesources" "$excludedests"
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run_iptables2 -t mangle -A $chain $r -j $chain1
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run_iptables -t mangle -A $chain1 -j $target $mark
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else
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run_iptables2 -t mangle -A $chain $r -j $target $mark
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fi
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}
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if [ "$mark" != "${mark%:*}" ]; then
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case "${mark#*:}" in
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p|P)
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verify_designator tcpre
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;;
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cp|CP)
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verify_designator tcpre
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do_connmark
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;;
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f|F)
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verify_designator tcfor
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;;
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cf|CF)
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verify_designator tcfor
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do_connmark
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;;
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c|C)
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mark=${mark%:*}
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do_connmark
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;;
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*)
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chain=tcpost
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target="CLASSIFY --set-class"
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;;
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esac
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fi
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mask=0xffff
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case $mark in
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SAVE)
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[ -n "$did_connmark" ] && fatal_error "SAVE not valid with :C[FP]"
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target="CONNMARK --save-mark --mask 0xFF"
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mark=
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;;
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SAVE/*)
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[ -n "$did_connmark" ] && fatal_error "SAVE not valid with :C[FP]"
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target="CONNMARK --save-mark --mask"
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mark=${mark#*/}
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verify_small_mark $mark
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;;
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RESTORE)
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[ -n "$did_connmark" ] && fatal_error "RESTORE not valid with :C[FP]"
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target="CONNMARK --restore-mark --mask 0xFF"
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mark=
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;;
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RESTORE/*)
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[ -n "$did_connmark" ] && fatal_error "RESTORE not valid with :C[FP]"
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target="CONNMARK --restore-mark --mask"
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mark=${mark#*/}
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verify_small_mark $mark
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;;
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CONTINUE)
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[ -n "$did_connmark" ] && fatal_error "CONTINUE not valid with :C[FP]"
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target=RETURN
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mark=
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;;
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*)
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if [ "$chain" != tcpost ]; then
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validate_mark $mark
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if [ $((${mark%/*})) -gt 255 ]; then
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case $chain in
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tcpre|tcout)
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target="MARK --or-mark"
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;;
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*)
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fatal_error "Invalid mark value ($mark) in rule \"$rule\""
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;;
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esac
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elif [ $((${mark%/*})) -ne 0 -a -n "$HIGH_ROUTE_MARKS" -a $chain = tcpre ]; then
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fatal_error "Marks < 256 may not be set in the PREROUTING chain when HIGH_ROUTE_MARKS=Yes"
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fi
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fi
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;;
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esac
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case $testval in
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-)
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;;
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!*:C)
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marktest="connmark ! "
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testval=${testval%:*}
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testval=${testval#!}
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;;
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*:C)
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marktest="connmark "
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testval=${testval%:*}
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;;
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!*)
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marktest="mark ! "
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testval=${testval#!}
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;;
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*)
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[ -n "$testval" ] && marktest="mark "
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;;
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esac
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if [ -n "$marktest" ] ; then
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case $testval in
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*/*)
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verify_mark ${testval%/*}
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verify_mark ${testval#*/}
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;;
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*)
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verify_mark $testval
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testval=$testval/$mask
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;;
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esac
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fi
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excludesources=
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case ${sources:=-} in
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*!*!*)
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fatal_error "Invalid SOURCE in rule \"$rule\""
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;;
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!*)
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if [ $(list_count $sources) -gt 1 ]; then
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excludesources=${sources#!}
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sources=-
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fi
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;;
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*!*)
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excludesources=${sources#*!}
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sources=${sources%!*}
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;;
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esac
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excludedests=
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case ${dests:=-} in
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*!*!*)
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fatal_error "Invalid DEST in rule \"$rule\""
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;;
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!*)
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if [ $(list_count $dests) -gt 1 ]; then
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excludedests=${dests#*!}
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dests=-
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fi
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;;
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*!*)
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excludedests=${dests#*!}
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dests=${dests%!*}
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;;
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esac
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for source in $(separate_list $sources); do
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for dest in $(separate_list $dests); do
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for port in $(separate_list ${ports:=-}); do
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for sport in $(separate_list ${sports:=-}); do
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add_a_tc_rule
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done
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done
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done
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done
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progress_message " TC Rule \"$rule\" $DONE"
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save_progress_message_short " TC Rule \\\"$rule\\\" Added"
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}
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#
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# Setup queuing and classes
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#
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@ -1858,13 +1517,13 @@ setup_tc1() {
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#
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# Process the TC Rules File
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#
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strip_file tcrules
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while read mark sources dests proto ports sports user testval length tos; do
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expandv mark sources dests proto ports sports user testval length tos
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rule=$(echo "$mark $sources $dests $proto $ports $sports $user $testval $length $tos")
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process_tc_rule
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done < $TMP_DIR/tcrules
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if strip_file_and_lib_load tcrules tcrules; then
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while read mark sources dests proto ports sports user testval length tos; do
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expandv mark sources dests proto ports sports user testval length tos
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rule=$(echo "$mark $sources $dests $proto $ports $sports $user $testval $length $tos")
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process_tc_rule
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done < $TMP_DIR/tcrules
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fi
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#
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# Link to the TC mangle chains from the main chains
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#
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@ -1980,13 +1639,15 @@ __EOF__
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#
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# Process the TC Rules File
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#
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save_progress_message "Refreshing Traffic Control Rules..."
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if [ -s $TMP_DIR/tcrules ]; then
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save_progress_message "Refreshing Traffic Control Rules..."
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while read mark sources dests proto ports sports user testval; do
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expandv mark sources dests proto ports sports user testval tos
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rule=$(echo "$mark $sources $dests $proto $ports $sports $user $testval $tos")
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process_tc_rule
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done < $TMP_DIR/tcrules
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while read mark sources dests proto ports sports user testval; do
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expandv mark sources dests proto ports sports user testval tos
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rule=$(echo "$mark $sources $dests $proto $ports $sports $user $testval $tos")
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process_tc_rule
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done < $TMP_DIR/tcrules
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fi
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if [ -n "$TC_SCRIPT" ]; then
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save_progress_message "Refreshing Traffic Shaping"
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@ -1776,7 +1776,12 @@ strip_file_and_lib_load() # $1 = logical file name, $2 = library to load if the
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strip_file $1 $f
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[ -s $TMP_DIR/$1 ] && lib_load $2 "A non-empty $1 file ($f)"
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if [ -s $TMP_DIR/$1 ];
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lib_load $2 "A non-empty $1 file ($f)"
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return 0
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fi
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return 1
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}
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#
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363
Shorewall/lib.tcrules
Normal file
363
Shorewall/lib.tcrules
Normal file
@ -0,0 +1,363 @@
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#!/bin/sh
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#
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# Shorewall 3.2 -- /usr/share/shorewall/lib.tcrules
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#
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# This program is under GPL [http://www.gnu.org/copyleft/gpl.htm]
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#
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# (c) 1999,2000,2001,2002,2003,2004,2005,2006 - Tom Eastep (teastep@shorewall.net)
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#
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# Complete documentation is available at http://shorewall.net
|
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of Version 2 of the GNU General Public License
|
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# as published by the Free Software Foundation.
|
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#
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# This program is distributed in the hope that it will be useful,
|
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU General Public License for more details.
|
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#
|
||||
# You should have received a copy of the GNU General Public License
|
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# along with this program; if not, write to the Free Software
|
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# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA
|
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|
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#
|
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# Process a TC Rule - $MARKING_CHAIN is assumed to contain the name of the
|
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# default marking chain
|
||||
#
|
||||
process_tc_rule()
|
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{
|
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local did_connmark=
|
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|
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chain=$MARKING_CHAIN target="MARK --set-mark" marktest=
|
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|
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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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|
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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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|
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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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|
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r="${r}-p $proto -m ipp2p --${port} "
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}
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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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||||
|
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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
|
||||
}
|
||||
|
||||
validate_mark()
|
||||
{
|
||||
case $1 in
|
||||
*/*)
|
||||
verify_mark ${1%/*}
|
||||
verify_mark ${1#*/}
|
||||
;;
|
||||
*)
|
||||
verify_mark $1
|
||||
;;
|
||||
esac
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}
|
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|
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add_a_tc_rule() {
|
||||
r=
|
||||
|
||||
if [ "x$source" != "x-" ]; then
|
||||
case $source in
|
||||
$FW:*)
|
||||
[ $chain = tcpost ] || chain=tcout
|
||||
r="$(source_ip_range ${source#*:}) "
|
||||
;;
|
||||
*:*)
|
||||
interface=${source%:*}
|
||||
verify_interface $interface || fatal_error "Unknown interface $interface in rule \"$rule\""
|
||||
r="$(match_source_dev $interface) $(source_ip_range ${source#*:}) "
|
||||
;;
|
||||
*.*.*|+*|!+*)
|
||||
r="$(source_ip_range $source) "
|
||||
;;
|
||||
~*|!~*)
|
||||
r="$(mac_match $source) "
|
||||
;;
|
||||
$FW)
|
||||
[ $chain = tcpost ] || chain=tcout
|
||||
;;
|
||||
*)
|
||||
verify_interface $source || fatal_error "Unknown interface $source in rule \"$rule\""
|
||||
r="$(match_source_dev $source) "
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
if [ "x${user:--}" != "x-" ]; then
|
||||
|
||||
[ "$chain" != tcout ] && \
|
||||
fatal_error "Invalid use of a user/group: rule \"$rule\""
|
||||
|
||||
r="$r-m owner"
|
||||
|
||||
case "$user" in
|
||||
*+*)
|
||||
r="$r --cmd-owner ${user#*+} "
|
||||
user=${user%+*}
|
||||
;;
|
||||
esac
|
||||
|
||||
case "$user" in
|
||||
*:*)
|
||||
temp="${user%:*}"
|
||||
[ -n "$temp" ] && r="$r --uid-owner $temp "
|
||||
temp="${user#*:}"
|
||||
[ -n "$temp" ] && r="$r --gid-owner $temp "
|
||||
;;
|
||||
*)
|
||||
[ -n "$user" ] && r="$r --uid-owner $user "
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
|
||||
[ -n "$marktest" ] && r="${r}-m ${marktest}--mark $testval "
|
||||
|
||||
if [ "x$dest" != "x-" ]; then
|
||||
case $dest in
|
||||
*:*)
|
||||
[ "$chain" = tcpre ] && fatal_error "Destination interface is not allowed in the PREROUTING chain - rule \"$rule\""
|
||||
interface=${dest%:*}
|
||||
verify_interface $interface || fatal_error "Unknown interface $interface in rule \"$rule\""
|
||||
r="$(match_dest_dev $interface) $(dest_ip_range ${dest#*:}) "
|
||||
;;
|
||||
*.*.*|+*|!+*)
|
||||
r="${r}$(dest_ip_range $dest) "
|
||||
;;
|
||||
*)
|
||||
[ "$chain" = tcpre ] && fatal_error "Destination interface is not allowed in the PREROUTING chain - rule \"$rule\""
|
||||
verify_interface $dest || fatal_error "Unknown interface $dest in rule \"$rule\""
|
||||
r="${r}$(match_dest_dev $dest) "
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
|
||||
if [ "x${length:=-}" != "x-" ]; then
|
||||
[ -n "$LENGTH_MATCH" ] || fatal_error "Your kernel and/or iptables does not have length match support. Rule: \"$rule\""
|
||||
r="${r}-m length --length ${length} "
|
||||
fi
|
||||
|
||||
if [ "x${tos:=-}" != "x-" ]; then
|
||||
r="${r}-m tos --tos ${tos} "
|
||||
fi
|
||||
|
||||
multiport=
|
||||
|
||||
case $proto in
|
||||
ipp2p|IPP2P|ipp2p:*|IPP2P:*)
|
||||
do_ipp2p
|
||||
;;
|
||||
icmp|ICMP|1)
|
||||
r="${r}-p icmp "
|
||||
[ "x$port" = "x-" ] || r="${r}--icmp-type $port"
|
||||
;;
|
||||
*)
|
||||
[ "x$proto" = "x-" ] && proto=all
|
||||
[ "x$proto" = "x" ] && proto=all
|
||||
[ "$proto" = "all" ] || r="${r}-p $proto "
|
||||
[ "x$port" = "x-" ] || r="${r}--dport $port "
|
||||
;;
|
||||
esac
|
||||
|
||||
[ "x$sport" = "x-" ] || r="${r}--sport $sport "
|
||||
|
||||
if [ -n "${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\" $DONE"
|
||||
save_progress_message_short " TC Rule \\\"$rule\\\" Added"
|
||||
}
|
||||
@ -117,6 +117,7 @@ fi
|
||||
%attr(0644,root,root) /usr/share/shorewall/Limit
|
||||
%attr(0444,root,root) /usr/share/shorewall/lib.dynamiczones
|
||||
%attr(0444,root,root) /usr/share/shorewall/lib.tc
|
||||
%attr(0444,root,root) /usr/share/shorewall/lib.tcrules
|
||||
%attr(0644,root,root) /usr/share/shorewall/macro.AllowICMPs
|
||||
%attr(0644,root,root) /usr/share/shorewall/macro.Amanda
|
||||
%attr(0644,root,root) /usr/share/shorewall/macro.Auth
|
||||
|
||||
Loading…
Reference in New Issue
Block a user