mirror of
https://gitlab.com/shorewall/code.git
synced 2024-12-22 06:10:42 +01:00
Unify capabilities detection
Signed-off-by: Tom Eastep <teastep@shorewall.net>
This commit is contained in:
Tom Eastep
parent
94b8d07645
commit
b27e2517b4
@ -1754,386 +1754,24 @@ logwatch_command() {
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#
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# Determine which optional facilities are supported by iptables/netfilter
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#
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determine_4_capabilities() {
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[ -n "$IPTABLES" ] || IPTABLES=$(mywhich iptables)
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if [ -z "$IPTABLES" ]; then
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echo " ERROR: No executable iptables binary can be found on your PATH" >&2
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exit 1
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fi
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qt $IPTABLES -t nat -L -n && NAT_ENABLED=Yes || NAT_ENABLED=
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qt $IPTABLES -t mangle -L -n && MANGLE_ENABLED=Yes || MANGLE_ENABLED=
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chain=fooX$$
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if [ -n "$NAT_ENABLED" ]; then
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if qt $IPTABLES -t nat -N $chain; then
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qt $IPTABLES -t nat -A $chain -j SNAT --to-source 1.2.3.4 --persistent && PERSISTENT_SNAT=Yes
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qt $IPTABLES -t nat -F $chain
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qt $IPTABLES -t nat -X $chain
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fi
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fi
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qt $IPTABLES -F $chain
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qt $IPTABLES -X $chain
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if ! $IPTABLES -N $chain; then
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echo " ERROR: The command \"$IPTABLES -N $chain\" failed" >&2
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exit 1
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fi
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chain1=${chain}1
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qt $IPTABLES -F $chain1
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qt $IPTABLES -X $chain1
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if ! $IPTABLES -N $chain1; then
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echo " ERROR: The command \"$IPTABLES -N $chain1\" failed" >&2
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exit 1
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fi
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if ! qt $IPTABLES -A $chain -m state --state ESTABLISHED,RELATED -j ACCEPT &&
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! qt $IPTABLES -A $chain -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT; then
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echo " ERROR: Your kernel lacks connection tracking and/or state matching -- Shorewall will not run on this system" >&2
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exit 1
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fi
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qt $IPTABLES -A $chain -m conntrack --ctorigdst 192.168.1.1 -j ACCEPT && CONNTRACK_MATCH=Yes
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if [ -n "$CONNTRACK_MATCH" ]; then
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qt $IPTABLES -A $chain -m conntrack -p tcp --ctorigdstport 22 -j ACCEPT && NEW_CONNTRACK_MATCH=Yes
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qt $IPTABLES -A $chain -m conntrack ! --ctorigdst 1.2.3.4 || OLD_CONNTRACK_MATCH=Yes
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fi
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if qt $IPTABLES -A $chain -p tcp -m multiport --dports 21,22 -j ACCEPT; then
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MULTIPORT=Yes
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qt $IPTABLES -A $chain -p tcp -m multiport --sports 60 -m multiport --dports 99 -j ACCEPT && KLUDEFREE=Yes
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fi
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qt $IPTABLES -A $chain -p tcp -m multiport --dports 21:22 -j ACCEPT && XMULTIPORT=Yes
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qt $IPTABLES -A $chain -m policy --pol ipsec --mode tunnel --dir in -j ACCEPT && POLICY_MATCH=Yes
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if qt $IPTABLES -A $chain -m physdev --physdev-out eth0 -j ACCEPT; then
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PHYSDEV_MATCH=Yes
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qt $IPTABLES -A $chain -m physdev --physdev-is-bridged --physdev-in eth0 --physdev-out eth0 -j ACCEPT && PHYSDEV_BRIDGE=Yes
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if [ -z "${KLUDGEFREE}" ]; then
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qt $IPTABLES -A $chain -m physdev --physdev-in eth0 -m physdev --physdev-out eth0 -j ACCEPT && KLUDGEFREE=Yes
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fi
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fi
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if qt $IPTABLES -A $chain -m iprange --src-range 192.168.1.5-192.168.1.124 -j ACCEPT; then
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IPRANGE_MATCH=Yes
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if [ -z "${KLUDGEFREE}" ]; then
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qt $IPTABLES -A $chain -m iprange --src-range 192.168.1.5-192.168.1.124 -m iprange --dst-range 192.168.1.5-192.168.1.124 -j ACCEPT && KLUDGEFREE=Yes
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fi
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fi
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qt $IPTABLES -A $chain -m recent --update -j ACCEPT && RECENT_MATCH=Yes
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qt $IPTABLES -A $chain -m owner --uid-owner 0 -j ACCEPT && OWNER_MATCH=Yes
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if qt $IPTABLES -A $chain -m connmark --mark 2 -j ACCEPT; then
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CONNMARK_MATCH=Yes
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qt $IPTABLES -A $chain -m connmark --mark 2/0xFF -j ACCEPT && XCONNMARK_MATCH=Yes
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fi
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qt $IPTABLES -A $chain -p tcp -m ipp2p --edk -j ACCEPT && IPP2P_MATCH=Yes
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if [ -n "$IPP2P_MATCH" ]; then
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qt $IPTABLES -A $chain -p tcp -m ipp2p --ipp2p -j ACCEPT && OLD_IPP2P_MATCH=Yes
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fi
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qt $IPTABLES -A $chain -m length --length 10:20 -j ACCEPT && LENGTH_MATCH=Yes
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qt $IPTABLES -A $chain -j REJECT --reject-with icmp-host-prohibited && ENHANCED_REJECT=Yes
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qt $IPTABLES -A $chain -j ACCEPT -m comment --comment "This is a comment" && COMMENTS=Yes
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if [ -n "$MANGLE_ENABLED" ]; then
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qt $IPTABLES -t mangle -N $chain
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if qt $IPTABLES -t mangle -A $chain -j MARK --set-mark 1; then
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MARK=Yes
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qt $IPTABLES -t mangle -A $chain -j MARK --and-mark 0xFF && XMARK=Yes
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qt $IPTABLES -t mangle -A $chain -j MARK --set-mark 1/0xFF && EXMARK=Yes
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fi
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if qt $IPTABLES -t mangle -A $chain -j CONNMARK --save-mark; then
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CONNMARK=Yes
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qt $IPTABLES -t mangle -A $chain -j CONNMARK --save-mark --mask 0xFF && XCONNMARK=Yes
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fi
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qt $IPTABLES -t mangle -A $chain -j CLASSIFY --set-class 1:1 && CLASSIFY_TARGET=Yes
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qt $IPTABLES -t mangle -A $chain -j IPMARK --addr src && IPMARK_TARGET=Yes
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qt $IPTABLES -t mangle -A $chain -p tcp -j TPROXY --on-port 0 --tproxy-mark 1 && TPROXY_TARGET=Yes
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qt $IPTABLES -t mangle -F $chain
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qt $IPTABLES -t mangle -X $chain
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qt $IPTABLES -t mangle -L FORWARD -n && MANGLE_FORWARD=Yes
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fi
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qt $IPTABLES -t raw -L -n && RAW_TABLE=Yes
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qt $IPTABLES -t rawpost -L -n && RAWPOST_TABLE=Yes
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if [ -n "$RAW_TABLE" ]; then
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qt $IPTABLES -t raw -N $chain
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qt $IPTABLES -t raw -A $chain -j CT --notrack && CT_TARGET=Yes
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qt $IPTABLES -t raw -N $chain
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qt $IPTABLES -t raw -F $chain
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qt $IPTABLES -t raw -X $chain
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fi
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if qt mywhich ipset; then
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qt ipset -X $chain # Just in case something went wrong the last time
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local have_ipset
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if qt ipset -N $chain hash:ip family inet; then
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IPSET_V5=Yes
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have_ipset=Yes
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elif qt ipset -N $chain iphash ; then
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have_ipset=Yes
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fi
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if [ -n "$have_ipset" ]; then
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if qt $IPTABLES -A $chain -m set --match-set $chain src -j ACCEPT; then
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qt $IPTABLES -D $chain -m set --match-set $chain src -j ACCEPT
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IPSET_MATCH=Yes
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elif qt $IPTABLES -A $chain -m set --set $chain src -j ACCEPT; then
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qt $IPTABLES -D $chain -m set --set $chain src -j ACCEPT
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IPSET_MATCH=Yes
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OLD_IPSET_MATCH=Yes
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fi
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qt ipset -X $chain
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fi
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fi
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qt $IPTABLES -A $chain -m pkttype --pkt-type broadcast -j ACCEPT && USEPKTTYPE=Yes
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qt $IPTABLES -A $chain -m addrtype --src-type BROADCAST -j ACCEPT && ADDRTYPE=Yes
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qt $IPTABLES -A $chain -p tcp --tcp-flags SYN,RST SYN -m tcpmss --mss 1000:1500 -j ACCEPT && TCPMSS_MATCH=Yes
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qt $IPTABLES -A $chain -m hashlimit --hashlimit-upto 4 --hashlimit-burst 5 --hashlimit-name $chain --hashlimit-mode dstip -j ACCEPT && HASHLIMIT_MATCH=Yes
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if [ -z "$HASHLIMIT_MATCH" ]; then
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qt $IPTABLES -A $chain -m hashlimit --hashlimit 4 --hashlimit-burst 5 --hashlimit-name $chain --hashlimit-mode dstip -j ACCEPT && OLD_HL_MATCH=Yes
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HASHLIMIT_MATCH=$OLD_HL_MATCH
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fi
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qt $IPTABLES -A $chain -j NFQUEUE --queue-num 4 && NFQUEUE_TARGET=Yes
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qt $IPTABLES -A $chain -m realm --realm 4 && REALM_MATCH=Yes
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qt $IPTABLES -A $chain -m helper --helper "ftp" && HELPER_MATCH=Yes
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qt $IPTABLES -A $chain -m connlimit --connlimit-above 8 -j DROP && CONNLIMIT_MATCH=Yes
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qt $IPTABLES -A $chain -m time --timestart 23:00 -j DROP && TIME_MATCH=Yes
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qt $IPTABLES -A $chain -g $chain1 && GOTO_TARGET=Yes
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qt $IPTABLES -A $chain -j LOGMARK && LOGMARK_TARGET=Yes
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qt $IPTABLES -A $chain -j LOG || LOG_TARGET=
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qt $IPTABLES -A $chain -j ULOG && ULOG_TARGET=Yes
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qt $IPTABLES -A $chain -j NFLOG && NFLOG_TARGET=Yes
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qt $IPTABLES -A $chain -j MARK --set-mark 5 && MARK_ANYWHERE=Yes
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qt $IPTABLES -A $chain -j ACCOUNT --addr 192.168.1.0/29 --tname $chain && ACCOUNT_TARGET=Yes
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qt $IPTABLES -A $chain -j AUDIT --type drop && AUDIT_TARGET=Yes
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qt $IPTABLES -A $chain -m condition --condition foo && CONDITION_MATCH=Yes
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qt $IPTABLES -S INPUT && IPTABLES_S=Yes
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qt $IPTABLES -F $chain
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qt $IPTABLES -X $chain
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qt $IPTABLES -F $chain1
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qt $IPTABLES -X $chain1
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[ -n "$TC" ] && $TC filter add flow help 2>&1 | grep -q ^Usage && FLOW_FILTER=Yes
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[ -n "$TC" ] && $TC filter add basic help 2>&1 | grep -q ^Usage && BASIC_FILTER=Yes
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[ -n "$IP" ] && $IP rule add help 2>&1 | grep -q /MASK && FWMARK_RT_MASK=Yes
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CAPVERSION=$SHOREWALL_CAPVERSION
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KERNELVERSION=$(uname -r 2> /dev/null | sed -e 's/-.*//')
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case "$KERNELVERSION" in
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*.*.*)
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KERNELVERSION=$(printf "%d%02d%02d" $(echo $KERNELVERSION | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/\1 \2 \3/g'))
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;;
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*)
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KERNELVERSION=$(printf "%d%02d00" $(echo $KERNELVERSION | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/\1 \2/g'))
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;;
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esac
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}
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determine_6_capabilities() {
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chain=fooX$$
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[ -n "$IP6TABLES" ] || IP6TABLES=$(mywhich ip6tables)
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if [ -z "$IP6TABLES" ]; then
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echo " ERROR: No executable iptables binary can be found on your PATH" >&2
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exit 1
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fi
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qt $IP6TABLES -t mangle -L -n && MANGLE_ENABLED=Yes || MANGLE_ENABLED=
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qt $IP6TABLES -F $chain
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qt $IP6TABLES -X $chain
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if ! $IP6TABLES -N $chain; then
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echo " ERROR: The command \"$IP6TABLES -N $chain\" failed" >&2
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exit 1
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fi
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chain1=${chain}1
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qt $IP6TABLES -F $chain1
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qt $IP6TABLES -X $chain1
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if ! $IP6TABLES -N $chain1; then
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echo " ERROR: The command \"$IP6TABLES -N $chain1\" failed" >&2
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exit 1
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fi
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if ! qt $IP6TABLES -A $chain -m state --state ESTABLISHED,RELATED -j ACCEPT &&
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! qt $IP6TABLES -A $chain -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT; then
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echo " ERROR: Your kernel lacks connection tracking and/or state matching -- Shorewall will not run on this system" >&2
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exit 1
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fi
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qt $IP6TABLES -A $chain -m conntrack --ctorigdst ::1 -j ACCEPT && CONNTRACK_MATCH=Yes
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if [ -n "$CONNTRACK_MATCH" ]; then
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qt $IP6TABLES -A $chain -m conntrack -p tcp --ctorigdstport 22 -j ACCEPT && NEW_CONNTRACK_MATCH=Yes
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qt $IP6TABLES -A $chain -m conntrack ! --ctorigdst ::1 || OLD_CONNTRACK_MATCH=Yes
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fi
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if qt $IP6TABLES -A $chain -p tcp -m multiport --dports 21,22 -j ACCEPT; then
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MULTIPORT=Yes
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qt $IP6TABLES -A $chain -p tcp -m multiport --sports 60 -m multiport --dports 99 -j ACCEPT && KLUDEFREE=Yes
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fi
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qt $IP6TABLES -A $chain -p tcp -m multiport --dports 21:22 -j ACCEPT && XMULTIPORT=Yes
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qt $IP6TABLES -A $chain -m policy --pol ipsec --mode tunnel --dir in -j ACCEPT && POLICY_MATCH=Yes
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if qt $IP6TABLES -A $chain -m physdev --physdev-out eth0 -j ACCEPT; then
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PHYSDEV_MATCH=Yes
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qt $IP6TABLES -A $chain -m physdev --physdev-is-bridged --physdev-in eth0 --physdev-out eth0 -j ACCEPT && PHYSDEV_BRIDGE=Yes
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if [ -z "${KLUDGEFREE}" ]; then
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qt $IP6TABLES -A $chain -m physdev --physdev-in eth0 -m physdev --physdev-out eth0 -j ACCEPT && KLUDGEFREE=Yes
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fi
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fi
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if qt $IP6TABLES -A $chain -m iprange --src-range ::1-::2 -j ACCEPT; then
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IPRANGE_MATCH=Yes
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if [ -z "${KLUDGEFREE}" ]; then
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qt $IP6TABLES -A $chain -m iprange --src-range ::1-::2 -m iprange --dst-range ::1-::2 -j ACCEPT && KLUDGEFREE=Yes
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fi
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fi
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qt $IP6TABLES -A $chain -m recent --update -j ACCEPT && RECENT_MATCH=Yes
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qt $IP6TABLES -A $chain -m owner --uid-owner 0 -j ACCEPT && OWNER_MATCH=Yes
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if qt $IP6TABLES -A $chain -m connmark --mark 2 -j ACCEPT; then
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CONNMARK_MATCH=Yes
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qt $IP6TABLES -A $chain -m connmark --mark 2/0xFF -j ACCEPT && XCONNMARK_MATCH=Yes
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fi
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qt $IP6TABLES -A $chain -p tcp -m ipp2p --edk -j ACCEPT && IPP2P_MATCH=Yes
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if [ -n "$IPP2P_MATCH" ]; then
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qt $IP6TABLES -A $chain -p tcp -m ipp2p --ipp2p -j ACCEPT && OLD_IPP2P_MATCH=Yes
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fi
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qt $IP6TABLES -A $chain -m length --length 10:20 -j ACCEPT && LENGTH_MATCH=Yes
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qt $IP6TABLES -A $chain -j REJECT --reject-with icmp6-adm-prohibited && ENHANCED_REJECT=Yes
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qt $IP6TABLES -A $chain -j ACCEPT -m comment --comment "This is a comment" && COMMENTS=Yes
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if [ -n "$MANGLE_ENABLED" ]; then
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qt $IP6TABLES -t mangle -N $chain
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if qt $IP6TABLES -t mangle -A $chain -j MARK --set-mark 1; then
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MARK=Yes
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qt $IP6TABLES -t mangle -A $chain -j MARK --and-mark 0xFF && XMARK=Yes
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qt $IP6TABLES -t mangle -A $chain -j MARK --set-mark 1/0xFF && EXMARK=Yes
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fi
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if qt $IP6TABLES -t mangle -A $chain -j CONNMARK --save-mark; then
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CONNMARK=Yes
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qt $IP6TABLES -t mangle -A $chain -j CONNMARK --save-mark --mask 0xFF && XCONNMARK=Yes
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fi
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qt $IP6TABLES -t mangle -A $chain -j CLASSIFY --set-class 1:1 && CLASSIFY_TARGET=Yes
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qt $IP6TABLES -t mangle -A $chain -j IPMARK --addr src && IPMARK_TARGET=Yes
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qt $IP6TABLES -t mangle -A $chain -p tcp -j TPROXY --on-port 0 --tproxy-mark 1 && TPROXY_TARGET=Yes
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qt $IP6TABLES -t mangle -F $chain
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qt $IP6TABLES -t mangle -X $chain
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qt $IP6TABLES -t mangle -L FORWARD -n && MANGLE_FORWARD=Yes
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fi
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qt $IP6TABLES -t raw -L -n && RAW_TABLE=Yes
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qt $IP6TABLES -t rawpost -L -n && RAWPOST_TABLE=Yes
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if [ -n "$RAW_TABLE" ]; then
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qt $IP6TABLES -t raw -N $chain
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qt $IP6TABLES -t raw -A $chain -j CT --notrack && CT_TARGET=Yes
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qt $IP6TABLES -t raw -N $chain
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qt $IP6TABLES -t raw -F $chain
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qt $IP6TABLES -t raw -X $chain
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fi
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if qt mywhich ipset; then
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qt ipset -X $chain # Just in case something went wrong the last time
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if qt ipset -N $chain hash:ip family inet6; then
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IPSET_V5=Yes
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if qt $IP6TABLES -A $chain -m set --match-set $chain src -j ACCEPT; then
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qt $IP6TABLES -D $chain -m set --match-set $chain src -j ACCEPT
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IPSET_MATCH=Yes
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elif qt $IP6TABLES -A $chain -m set --set $chain src -j ACCEPT; then
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qt $IP6TABLES -D $chain -m set --set $chain src -j ACCEPT
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IPSET_MATCH=Yes
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OLD_IPSET_MATCH=Yes
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fi
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qt ipset -X $chain
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fi
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fi
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qt $IP6TABLES -A $chain -m pkttype --pkt-type broadcast -j ACCEPT && USEPKTTYPE=Yes
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qt $IP6TABLES -A $chain -m addrtype --src-type BROADCAST -j ACCEPT && ADDRTYPE=Yes
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qt $IP6TABLES -A $chain -p tcp --tcp-flags SYN,RST SYN -m tcpmss --mss 1000:1500 -j ACCEPT && TCPMSS_MATCH=Yes
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qt $IP6TABLES -A $chain -m hashlimit --hashlimit-upto 4 --hashlimit-burst 5 --hashlimit-name $chain --hashlimit-mode dstip -j ACCEPT && HASHLIMIT_MATCH=Yes
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if [ -z "$HASHLIMIT_MATCH" ]; then
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qt $IP6TABLES -A $chain -m hashlimit --hashlimit 4 --hashlimit-burst 5 --hashlimit-name $chain --hashlimit-mode dstip -j ACCEPT && OLD_HL_MATCH=Yes
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HASHLIMIT_MATCH=$OLD_HL_MATCH
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fi
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qt $IP6TABLES -A $chain -j NFQUEUE --queue-num 4 && NFQUEUE_TARGET=Yes
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qt $IP6TABLES -A $chain -m realm --realm 4 && REALM_MATCH=Yes
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qt $IP6TABLES -A $chain -m helper --helper "ftp" && HELPER_MATCH=Yes
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qt $IP6TABLES -A $chain -m connlimit --connlimit-above 8 -j DROP && CONNLIMIT_MATCH=Yes
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qt $IP6TABLES -A $chain -m time --timestart 23:00 -j DROP && TIME_MATCH=Yes
|
||||
qt $IP6TABLES -A $chain -g $chain1 && GOTO_TARGET=Yes
|
||||
qt $IP6TABLES -A $chain -j LOGMARK && LOGMARK_TARGET=Yes
|
||||
qt $IP6TABLES -A $chain -j LOG || LOG_TARGET=
|
||||
qt $IP6TABLES -A $chain -j ULOG && ULOG_TARGET=Yes
|
||||
qt $IP6TABLES -A $chain -j NFLOG && NFLOG_TARGET=Yes
|
||||
qt $IP6TABLES -A $chain -j MARK --set-mark 5 && MARK_ANYWHERE=Yes
|
||||
qt $IP6TABLES -A $chain -m ipv6header --header 255 && HEADER_MATCH=Yes
|
||||
qt $IP6TABLES -A $chain -j ACCOUNT --addr 1::/122 --tname $chain && ACCOUNT_TARGET=Yes
|
||||
qt $IP6TABLES -A $chain -j AUDIT --type drop && AUDIT_TARGET=Yes
|
||||
qt $IP6TABLES -A $chain -m condition --condition foo && CONDITION_MATCH=Yes
|
||||
qt $IP6TABLES -S INPUT && IPTABLES_S=Yes
|
||||
|
||||
|
||||
qt $IP6TABLES -F $chain
|
||||
qt $IP6TABLES -X $chain
|
||||
qt $IP6TABLES -F $chain1
|
||||
qt $IP6TABLES -X $chain1
|
||||
|
||||
[ -n "$TC" ] && $TC filter add flow help 2>&1 | grep -q ^Usage && FLOW_FILTER=Yes
|
||||
[ -n "$TC" ] && $TC filter add basic help 2>&1 | grep -q ^Usage && BASIC_FILTER=Yes
|
||||
[ -n "$IP" ] && $IP rule add help 2>&1 | grep -q /MASK && FWMARK_RT_MASK=Yes
|
||||
|
||||
CAPVERSION=$SHOREWALL_CAPVERSION
|
||||
|
||||
KERNELVERSION=$(uname -r 2> /dev/null | sed -e 's/-.*//')
|
||||
|
||||
case "$KERNELVERSION" in
|
||||
*.*.*)
|
||||
KERNELVERSION=$(printf "%d%02d%02d" $(echo $KERNELVERSION | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/\1 \2 \3/g'))
|
||||
;;
|
||||
*)
|
||||
KERNELVERSION=$(printf "%d%02d00" $(echo $KERNELVERSION | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/\1 \2/g'))
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
determine_capabilities() {
|
||||
|
||||
local tool
|
||||
local chain
|
||||
local chain1
|
||||
|
||||
[ $g_family -eq 4 ] && tool=iptables || tool=ip6tables
|
||||
|
||||
g_tool=$(mywhich $tool)
|
||||
|
||||
if [ -z "$g_tool" ]; then
|
||||
echo " ERROR: No executable $tool binary can be found on your PATH" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
qt $g_tool -t nat -L -n && NAT_ENABLED=Yes || NAT_ENABLED=
|
||||
qt $g_tool -t mangle -L -n && MANGLE_ENABLED=Yes || MANGLE_ENABLED=
|
||||
|
||||
[ "$IP" = ip -o -z "$IP" ] && IP=$(which ip)
|
||||
|
||||
[ -n "$IP" -a -x "$IP" ] || IP=
|
||||
@ -2201,11 +1839,229 @@ determine_capabilities() {
|
||||
BASIC_FILTER=
|
||||
CT_TARGET=
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
determine_4_capabilities
|
||||
else
|
||||
determine_6_capabilities;
|
||||
chain=fooX$$
|
||||
|
||||
if [ -n "$NAT_ENABLED" ]; then
|
||||
if qt $g_tool -t nat -N $chain; then
|
||||
qt $g_tool -t nat -A $chain -j SNAT --to-source 1.2.3.4 --persistent && PERSISTENT_SNAT=Yes
|
||||
qt $g_tool -t nat -F $chain
|
||||
qt $g_tool -t nat -X $chain
|
||||
fi
|
||||
fi
|
||||
|
||||
qt $g_tool -F $chain
|
||||
qt $g_tool -X $chain
|
||||
if ! $g_tool -N $chain; then
|
||||
echo " ERROR: The command \"$g_tool -N $chain\" failed" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
chain1=${chain}1
|
||||
|
||||
qt $g_tool -F $chain1
|
||||
qt $g_tool -X $chain1
|
||||
if ! $g_tool -N $chain1; then
|
||||
echo " ERROR: The command \"$g_tool -N $chain1\" failed" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if ! qt $g_tool -A $chain -m state --state ESTABLISHED,RELATED -j ACCEPT &&
|
||||
! qt $g_tool -A $chain -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT; then
|
||||
echo " ERROR: Your kernel lacks connection tracking and/or state matching -- $g_product will not run on this system" >&2
|
||||
exit 1
|
||||
fi
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
qt $g_tool -A $chain -m conntrack --ctorigdst 192.168.1.1 -j ACCEPT && CONNTRACK_MATCH=Yes
|
||||
else
|
||||
qt $g_tool -A $chain -m conntrack --ctorigdst ::1 -j ACCEPT && CONNTRACK_MATCH=Yes
|
||||
fi
|
||||
|
||||
if [ -n "$CONNTRACK_MATCH" ]; then
|
||||
qt $g_tool -A $chain -m conntrack -p tcp --ctorigdstport 22 -j ACCEPT && NEW_CONNTRACK_MATCH=Yes
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
qt $g_tool -A $chain -m conntrack ! --ctorigdst 1.2.3.4 || OLD_CONNTRACK_MATCH=Yes
|
||||
else
|
||||
qt $g_tool -A $chain -m conntrack ! --ctorigdst ::1 || OLD_CONNTRACK_MATCH=Yes
|
||||
fi
|
||||
fi
|
||||
|
||||
if qt $g_tool -A $chain -p tcp -m multiport --dports 21,22 -j ACCEPT; then
|
||||
MULTIPORT=Yes
|
||||
qt $g_tool -A $chain -p tcp -m multiport --sports 60 -m multiport --dports 99 -j ACCEPT && KLUDEFREE=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -p tcp -m multiport --dports 21:22 -j ACCEPT && XMULTIPORT=Yes
|
||||
qt $g_tool -A $chain -m policy --pol ipsec --mode tunnel --dir in -j ACCEPT && POLICY_MATCH=Yes
|
||||
|
||||
if qt $g_tool -A $chain -m physdev --physdev-out eth0 -j ACCEPT; then
|
||||
PHYSDEV_MATCH=Yes
|
||||
qt $g_tool -A $chain -m physdev --physdev-is-bridged --physdev-in eth0 --physdev-out eth0 -j ACCEPT && PHYSDEV_BRIDGE=Yes
|
||||
if [ -z "${KLUDGEFREE}" ]; then
|
||||
qt $g_tool -A $chain -m physdev --physdev-in eth0 -m physdev --physdev-out eth0 -j ACCEPT && KLUDGEFREE=Yes
|
||||
fi
|
||||
fi
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
if qt $g_tool -A $chain -m iprange --src-range 192.168.1.5-192.168.1.124 -j ACCEPT; then
|
||||
IPRANGE_MATCH=Yes
|
||||
if [ -z "${KLUDGEFREE}" ]; then
|
||||
qt $g_tool -A $chain -m iprange --src-range 192.168.1.5-192.168.1.124 -m iprange --dst-range 192.168.1.5-192.168.1.124 -j ACCEPT && KLUDGEFREE=Yes
|
||||
fi
|
||||
fi
|
||||
elif qt $g_tool -A $chain -m iprange --src-range ::1-::2 -j ACCEPT; then
|
||||
IPRANGE_MATCH=Yes
|
||||
if [ -z "${KLUDGEFREE}" ]; then
|
||||
qt $g_tool -A $chain -m iprange --src-range ::1-::2 -m iprange --dst-range ::1-::2 -j ACCEPT && KLUDGEFREE=Yes
|
||||
fi
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -m recent --update -j ACCEPT && RECENT_MATCH=Yes
|
||||
qt $g_tool -A $chain -m owner --uid-owner 0 -j ACCEPT && OWNER_MATCH=Yes
|
||||
|
||||
if qt $g_tool -A $chain -m connmark --mark 2 -j ACCEPT; then
|
||||
CONNMARK_MATCH=Yes
|
||||
qt $g_tool -A $chain -m connmark --mark 2/0xFF -j ACCEPT && XCONNMARK_MATCH=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -p tcp -m ipp2p --edk -j ACCEPT && IPP2P_MATCH=Yes
|
||||
if [ -n "$IPP2P_MATCH" ]; then
|
||||
qt $g_tool -A $chain -p tcp -m ipp2p --ipp2p -j ACCEPT && OLD_IPP2P_MATCH=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -m length --length 10:20 -j ACCEPT && LENGTH_MATCH=Yes
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
qt $g_tool -A $chain -j REJECT --reject-with icmp-host-prohibited && ENHANCED_REJECT=Yes
|
||||
else
|
||||
qt $g_tool -A $chain -j REJECT --reject-with icmp6-adm-prohibited && ENHANCED_REJECT=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -j ACCEPT -m comment --comment "This is a comment" && COMMENTS=Yes
|
||||
|
||||
if [ -n "$MANGLE_ENABLED" ]; then
|
||||
qt $g_tool -t mangle -N $chain
|
||||
|
||||
if qt $g_tool -t mangle -A $chain -j MARK --set-mark 1; then
|
||||
MARK=Yes
|
||||
qt $g_tool -t mangle -A $chain -j MARK --and-mark 0xFF && XMARK=Yes
|
||||
qt $g_tool -t mangle -A $chain -j MARK --set-mark 1/0xFF && EXMARK=Yes
|
||||
fi
|
||||
|
||||
if qt $g_tool -t mangle -A $chain -j CONNMARK --save-mark; then
|
||||
CONNMARK=Yes
|
||||
qt $g_tool -t mangle -A $chain -j CONNMARK --save-mark --mask 0xFF && XCONNMARK=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -t mangle -A $chain -j CLASSIFY --set-class 1:1 && CLASSIFY_TARGET=Yes
|
||||
qt $g_tool -t mangle -A $chain -j IPMARK --addr src && IPMARK_TARGET=Yes
|
||||
qt $g_tool -t mangle -A $chain -p tcp -j TPROXY --on-port 0 --tproxy-mark 1 && TPROXY_TARGET=Yes
|
||||
qt $g_tool -t mangle -F $chain
|
||||
qt $g_tool -t mangle -X $chain
|
||||
qt $g_tool -t mangle -L FORWARD -n && MANGLE_FORWARD=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -t raw -L -n && RAW_TABLE=Yes
|
||||
qt $g_tool -t rawpost -L -n && RAWPOST_TABLE=Yes
|
||||
|
||||
if [ -n "$RAW_TABLE" ]; then
|
||||
qt $g_tool -t raw -N $chain
|
||||
qt $g_tool -t raw -A $chain -j CT --notrack && CT_TARGET=Yes
|
||||
qt $g_tool -t raw -N $chain
|
||||
qt $g_tool -t raw -F $chain
|
||||
qt $g_tool -t raw -X $chain
|
||||
fi
|
||||
|
||||
if qt mywhich ipset; then
|
||||
qt ipset -X $chain # Just in case something went wrong the last time
|
||||
|
||||
local have_ipset
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
if qt ipset -N $chain hash:ip family inet; then
|
||||
IPSET_V5=Yes
|
||||
have_ipset=Yes
|
||||
elif qt ipset -N $chain iphash ; then
|
||||
have_ipset=Yes
|
||||
fi
|
||||
|
||||
if [ -n "$have_ipset" ]; then
|
||||
if qt $g_tool -A $chain -m set --match-set $chain src -j ACCEPT; then
|
||||
qt $g_tool -D $chain -m set --match-set $chain src -j ACCEPT
|
||||
IPSET_MATCH=Yes
|
||||
elif qt $g_tool -A $chain -m set --set $chain src -j ACCEPT; then
|
||||
qt $g_tool -D $chain -m set --set $chain src -j ACCEPT
|
||||
IPSET_MATCH=Yes
|
||||
OLD_IPSET_MATCH=Yes
|
||||
fi
|
||||
qt ipset -X $chain
|
||||
fi
|
||||
elif qt ipset -N $chain hash:ip family inet6; then
|
||||
IPSET_V5=Yes
|
||||
if qt $g_tool -A $chain -m set --match-set $chain src -j ACCEPT; then
|
||||
qt $g_tool -D $chain -m set --match-set $chain src -j ACCEPT
|
||||
IPSET_MATCH=Yes
|
||||
elif qt $g_tool -A $chain -m set --set $chain src -j ACCEPT; then
|
||||
qt $g_tool -D $chain -m set --set $chain src -j ACCEPT
|
||||
IPSET_MATCH=Yes
|
||||
OLD_IPSET_MATCH=Yes
|
||||
fi
|
||||
qt ipset -X $chain
|
||||
fi
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -m pkttype --pkt-type broadcast -j ACCEPT && USEPKTTYPE=Yes
|
||||
qt $g_tool -A $chain -m addrtype --src-type BROADCAST -j ACCEPT && ADDRTYPE=Yes
|
||||
qt $g_tool -A $chain -p tcp --tcp-flags SYN,RST SYN -m tcpmss --mss 1000:1500 -j ACCEPT && TCPMSS_MATCH=Yes
|
||||
qt $g_tool -A $chain -m hashlimit --hashlimit-upto 4 --hashlimit-burst 5 --hashlimit-name $chain --hashlimit-mode dstip -j ACCEPT && HASHLIMIT_MATCH=Yes
|
||||
if [ -z "$HASHLIMIT_MATCH" ]; then
|
||||
qt $g_tool -A $chain -m hashlimit --hashlimit 4 --hashlimit-burst 5 --hashlimit-name $chain --hashlimit-mode dstip -j ACCEPT && OLD_HL_MATCH=Yes
|
||||
HASHLIMIT_MATCH=$OLD_HL_MATCH
|
||||
fi
|
||||
qt $g_tool -A $chain -j NFQUEUE --queue-num 4 && NFQUEUE_TARGET=Yes
|
||||
qt $g_tool -A $chain -m realm --realm 4 && REALM_MATCH=Yes
|
||||
qt $g_tool -A $chain -m helper --helper "ftp" && HELPER_MATCH=Yes
|
||||
qt $g_tool -A $chain -m connlimit --connlimit-above 8 -j DROP && CONNLIMIT_MATCH=Yes
|
||||
qt $g_tool -A $chain -m time --timestart 23:00 -j DROP && TIME_MATCH=Yes
|
||||
qt $g_tool -A $chain -g $chain1 && GOTO_TARGET=Yes
|
||||
qt $g_tool -A $chain -j LOGMARK && LOGMARK_TARGET=Yes
|
||||
qt $g_tool -A $chain -j LOG || LOG_TARGET=
|
||||
qt $g_tool -A $chain -j ULOG && ULOG_TARGET=Yes
|
||||
qt $g_tool -A $chain -j NFLOG && NFLOG_TARGET=Yes
|
||||
qt $g_tool -A $chain -j MARK --set-mark 5 && MARK_ANYWHERE=Yes
|
||||
|
||||
if [ $g_family -eq 4 ]; then
|
||||
qt $g_tool -A $chain -j ACCOUNT --addr 192.168.1.0/29 --tname $chain && ACCOUNT_TARGET=Yes
|
||||
else
|
||||
qt $g_tool -A $chain -m ipv6header --header 255 && HEADER_MATCH=Yes
|
||||
qt $g_tool -A $chain -j ACCOUNT --addr 1::/122 --tname $chain && ACCOUNT_TARGET=Yes
|
||||
fi
|
||||
|
||||
qt $g_tool -A $chain -j AUDIT --type drop && AUDIT_TARGET=Yes
|
||||
qt $g_tool -A $chain -m condition --condition foo && CONDITION_MATCH=Yes
|
||||
qt $g_tool -S INPUT && IPTABLES_S=Yes
|
||||
qt $g_tool -F $chain
|
||||
qt $g_tool -X $chain
|
||||
qt $g_tool -F $chain1
|
||||
qt $g_tool -X $chain1
|
||||
|
||||
[ -n "$TC" ] && $TC filter add flow help 2>&1 | grep -q ^Usage && FLOW_FILTER=Yes
|
||||
[ -n "$TC" ] && $TC filter add basic help 2>&1 | grep -q ^Usage && BASIC_FILTER=Yes
|
||||
[ -n "$IP" ] && $IP rule add help 2>&1 | grep -q /MASK && FWMARK_RT_MASK=Yes
|
||||
|
||||
CAPVERSION=$SHOREWALL_CAPVERSION
|
||||
|
||||
KERNELVERSION=$(uname -r 2> /dev/null | sed -e 's/-.*//')
|
||||
|
||||
case "$KERNELVERSION" in
|
||||
*.*.*)
|
||||
KERNELVERSION=$(printf "%d%02d%02d" $(echo $KERNELVERSION | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/\1 \2 \3/g'))
|
||||
;;
|
||||
*)
|
||||
KERNELVERSION=$(printf "%d%02d00" $(echo $KERNELVERSION | sed -e 's/^\([0-9][0-9]*\)\.\([0-9][0-9]*\).*$/\1 \2/g'))
|
||||
;;
|
||||
esac
|
||||
}
|
||||
|
||||
report_capabilities() {
|
||||
|
||||
Loading…
Reference in New Issue
Block a user