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Streamline Tunnel Processing
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3392 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
f174f081d0
commit
277cf11ae6
@ -1788,11 +1788,12 @@ setup_tunnels() # $1 = name of tunnels file
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{
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local inchain
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local outchain
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local source
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local dest
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setup_one_ipsec() # $1 = gateway $2 = Tunnel Kind $3 = gateway zones
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setup_one_ipsec() # $1 = Tunnel Kind $2 = gateway zones
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{
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local kind=$2 noah=
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local kind=$1 noah=
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case $kind in
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*:*)
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@ -1805,31 +1806,41 @@ setup_tunnels() # $1 = name of tunnels file
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[ $kind = IPSEC ] && kind=ipsec
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options="-m state --state NEW -j ACCEPT"
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addrule2 $inchain -p 50 $(source_ip_range $1) -j ACCEPT
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addrule2 $outchain -p 50 $(dest_ip_range $1) -j ACCEPT
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addrule2 $inchain -p 50 $source -j ACCEPT
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addrule2 $outchain -p 50 $dest -j ACCEPT
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if [ -z "$noah" ]; then
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run_iptables -A $inchain -p 51 $(source_ip_range $1) -j ACCEPT
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run_iptables -A $outchain -p 51 $(dest_ip_range $1) -j ACCEPT
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run_iptables -A $inchain -p 51 $source -j ACCEPT
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run_iptables -A $outchain -p 51 $dest -j ACCEPT
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fi
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run_iptables -A $outchain -p udp $(dest_ip_range $1) --dport 500 $options
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run_iptables -A $outchain -p udp $dest --dport 500 $options
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if [ $kind = ipsec ]; then
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run_iptables -A $inchain -p udp $(source_ip_range $1) --dport 500 $options
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run_iptables -A $inchain -p udp $source --dport 500 $options
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else
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run_iptables -A $inchain -p udp $(source_ip_range $1) --dport 500 $options
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run_iptables -A $inchain -p udp $(source_ip_range $1) --dport 4500 $options
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run_iptables -A $inchain -p udp $source --dport 500 $options
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run_iptables -A $inchain -p udp $source --dport 4500 $options
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fi
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for z in $(separate_list $3); do
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for z in $(separate_list $2); do
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if validate_zone $z; then
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addrule ${FW}2${z} -p udp --dport 500 $options
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if [ -z "$POLICY_MATCH" ]; then
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addrule ${z}2${FW} -p 50 $source -j ACCEPT
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addrule ${FW}2${z} -p 50 $dest -j ACCEPT
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if [ -z "$noah" ]; then
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addrule ${z}2${FW} -p 51 $source -j ACCEPT
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addrule ${FW}2${z} -p 51 $dest -j ACCEPT
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fi
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fi
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if [ $kind = ipsec ]; then
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addrule ${z}2${FW} -p udp --dport 500 $options
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addrule ${z}2${FW} -p udp $source --dport 500 $options
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addrule ${FW}2${z} -p udp $dest --dport 500 $options
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else
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addrule ${z}2${FW} -p udp --dport 500 $options
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addrule ${z}2${FW} -p udp --dport 4500 $options
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addrule ${z}2${FW} -p udp $source --dport 500 $options
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addrule ${FW}2${z} -p udp $dest --dport 500 $options
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addrule ${z}2${FW} -p udp $source --dport 4500 $options
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addrule ${FW}2${z} -p udp $dest --dport 4500 $options
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fi
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else
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fatal_error "Invalid gateway zone ($z) -- Tunnel \"$tunnel\""
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@ -1839,120 +1850,120 @@ setup_tunnels() # $1 = name of tunnels file
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progress_message_and_save " IPSEC tunnel to $gateway defined."
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}
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setup_one_other() # $1 = TYPE, $2 = gateway, $3 = protocol
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setup_one_other() # $1 = TYPE, $2 = protocol
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{
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addrule2 $inchain -p $3 $(source_ip_range $2) -j ACCEPT
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addrule2 $outchain -p $3 $(dest_ip_range $2) -j ACCEPT
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addrule2 $inchain -p $2 $source -j ACCEPT
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addrule2 $outchain -p $2 $dest -j ACCEPT
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progress_message_and_save " $1 tunnel to $2 compiled."
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progress_message_and_save " $1 tunnel to $gateway compiled."
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}
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setup_pptp_client() # $1 = gateway
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setup_pptp_client()
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{
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addrule2 $outchain -p 47 $(dest_ip_range $1) -j ACCEPT
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addrule2 $inchain -p 47 $(source_ip_range $1) -j ACCEPT
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addrule2 $outchain -p tcp --dport 1723 $(dest_ip_range $1) -j ACCEPT
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addrule2 $outchain -p 47 $dest -j ACCEPT
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addrule2 $inchain -p 47 $source -j ACCEPT
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addrule2 $outchain -p tcp --dport 1723 $dest -j ACCEPT
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progress_message_and_save " PPTP tunnel to $1 defined."
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progress_message_and_save " PPTP tunnel to $gateway defined."
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}
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setup_pptp_server() # $1 = gateway
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setup_pptp_server()
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{
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addrule2 $inchain -p 47 $(source_ip_range $1) -j ACCEPT
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addrule2 $outchain -p 47 $(dest_ip_range $1) -j ACCEPT
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addrule2 $inchain -p tcp --dport 1723 $(source_ip_range $1) -j ACCEPT
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addrule2 $inchain -p 47 $source -j ACCEPT
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addrule2 $outchain -p 47 $dest -j ACCEPT
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addrule2 $inchain -p tcp --dport 1723 $source -j ACCEPT
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progress_message_and_save " PPTP server defined."
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}
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setup_one_openvpn() # $1 = gateway, $2 = kind[:port]
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setup_one_openvpn() # $1 = kind[:port]
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{
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local protocol=udp
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local p=1194
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case $2 in
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case $1 in
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*:*:*)
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protocol=${2%:*}
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protocol=${1%:*}
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protocol=${protocol#*:}
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p=${2##*:}
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p=${1##*:}
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;;
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*:tcp|*:udp|*:TCP|*:UDP)
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protocol=${2#*:}
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protocol=${1#*:}
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;;
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*:*)
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p=${2#*:}
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p=${1#*:}
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;;
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esac
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addrule2 $inchain -p $protocol $(source_ip_range $1) --dport $p -j ACCEPT
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addrule2 $outchain -p $protocol $(dest_ip_range $1) --dport $p -j ACCEPT
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addrule2 $inchain -p $protocol $source --dport $p -j ACCEPT
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addrule2 $outchain -p $protocol $dest --dport $p -j ACCEPT
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progress_message_and_save " OPENVPN tunnel to $1:$protocol:$p defined."
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progress_message_and_save " OPENVPN tunnel to $gateway:$protocol:$p defined."
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}
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setup_one_openvpn_server() # $1 = gateway, $2 = kind[:port]
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setup_one_openvpn_server() # $1 = kind[:port]
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{
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local protocol=udp
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local p=1194
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case $2 in
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case $1 in
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*:*:*)
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protocol=${2%:*}
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protocol=${1%:*}
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protocol=${protocol#*:}
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p=${2##*:}
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p=${1##*:}
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;;
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*:tcp|*:udp|*:TCP|*:UDP)
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protocol=${2#*:}
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protocol=${1#*:}
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;;
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*:*)
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p=${2#*:}
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p=${1#*:}
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;;
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esac
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addrule2 $inchain -p $protocol $(source_ip_range $1) --dport $p -j ACCEPT
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addrule2 $outchain -p $protocol $(dest_ip_range $1) --sport $p -j ACCEPT
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addrule2 $inchain -p $protocol $source --dport $p -j ACCEPT
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addrule2 $outchain -p $protocol $dest --sport $p -j ACCEPT
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progress_message_and_save " OPENVPN server tunnel from $1:$protocol:$p defined."
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progress_message_and_save " OPENVPN server tunnel from $gateway:$protocol:$p defined."
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}
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setup_one_openvpn_client() # $1 = gateway, $2 = kind[:port]
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setup_one_openvpn_client() # $1 = kind[:port]
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{
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local protocol=udp
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local p=1194
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case $2 in
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case $1 in
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*:*:*)
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protocol=${2%:*}
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protocol=${1%:*}
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protocol=${protocol#*:}
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p=${2##*:}
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p=${1##*:}
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;;
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*:tcp|*:udp|*:TCP|*:UDP)
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protocol=${2#*:}
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protocol=${1#*:}
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;;
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*:*)
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p=${2#*:}
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p=${1#*:}
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;;
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esac
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addrule2 $inchain -p $protocol $(source_ip_range $1) --sport $p -j ACCEPT
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addrule2 $outchain -p $protocol $(dest_ip_range $1) --dport $p -j ACCEPT
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addrule2 $inchain -p $protocol $source --sport $p -j ACCEPT
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addrule2 $outchain -p $protocol $dest --dport $p -j ACCEPT
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progress_message_and_save " OPENVPN client tunnel to $1:$protocol:$p defined."
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progress_message_and_save " OPENVPN client tunnel to $gateway:$protocol:$p defined."
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}
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setup_one_generic() # $1 = gateway, $2 = kind:protocol[:port]
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setup_one_generic() # $1 = kind:protocol[:port]
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{
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local protocol
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local p=
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case $2 in
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case $1 in
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*:*:*)
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p=${2##*:}
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protocol=${2%:*}
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p=${1##*:}
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protocol=${1%:*}
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protocol=${protocol#*:}
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;;
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*:*)
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protocol=${2#*:}
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protocol=${1#*:}
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;;
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*)
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protocol=udp
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@ -1962,8 +1973,8 @@ setup_tunnels() # $1 = name of tunnels file
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p=${p:+--dport $p}
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addrule2 $inchain -p $protocol $(source_ip_range $1) $p -j ACCEPT
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addrule2 $outchain -p $protocol $(dest_ip_range $1) $p -j ACCEPT
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addrule2 $inchain -p $protocol $source $p -j ACCEPT
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addrule2 $outchain -p $protocol $dest $p -j ACCEPT
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progress_message_and_save " GENERIC tunnel to $1:$p defined."
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}
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@ -1977,39 +1988,42 @@ setup_tunnels() # $1 = name of tunnels file
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inchain=${z}2${FW}
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outchain=${FW}2${z}
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gateway=${gateway:-0.0.0.0/0}
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source=$(source_ip_range $gateway)
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dest=$(dest_ip_range $gateway)
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case $kind in
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ipsec|IPSEC|ipsec:*|IPSEC:*)
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setup_one_ipsec $gateway $kind $z1
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setup_one_ipsec $kind $z1
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;;
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ipsecnat|IPSECNAT|ipsecnat:*|IPSECNAT:*)
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setup_one_ipsec $gateway $kind $z1
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setup_one_ipsec $kind $z1
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;;
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ipip|IPIP)
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setup_one_other IPIP $gateway 4
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setup_one_other IPIP 4
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;;
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gre|GRE)
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setup_one_other GRE $gateway 47
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setup_one_other GRE 47
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;;
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6to4|6TO4)
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setup_one_other 6to4 $gateway 41
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setup_one_other 6to4 41
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;;
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pptpclient|PPTPCLIENT)
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setup_pptp_client $gateway
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setup_pptp_client
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;;
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pptpserver|PPTPSERVER)
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setup_pptp_server $gateway
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setup_pptp_server
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;;
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openvpn|OPENVPN|openvpn:*|OPENVPN:*)
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setup_one_openvpn $gateway $kind
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setup_one_openvpn $kind
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;;
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openvpnclient|OPENVPNCLIENT|openvpnclient:*|OPENVPNCLIENT:*)
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setup_one_openvpn_client $gateway $kind
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setup_one_openvpn_client $kind
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;;
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openvpnserver|OPENVPNSERVER|openvpnserver:*|OPENVPNSERVER:*)
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setup_one_openvpn_server $gateway $kind
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setup_one_openvpn_server $kind
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;;
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generic:*|GENERIC:*)
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setup_one_generic $gateway $kind
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setup_one_generic $kind
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;;
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*)
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error_message "WARNING: Tunnels of type $kind are not supported:" \
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@ -8303,6 +8317,8 @@ compile_firewall() # $1 = File Name
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# END OVERLOADED FUNCTIONS
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#
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STATEDIR=$(mktempdir)
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if [ $COMMAND = compile ]; then
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dir=$(dirname $1)
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[ -d $dir ] || fatal_error "Directory $dir does not exist"
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@ -8313,19 +8329,19 @@ compile_firewall() # $1 = File Name
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DOING=Compiling
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DONE=compiled
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OUTPUT=$(mktempfile $STATEDIR)
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[ -n "$OUTPUT" ] || fatal_error "Cannot create temporary file in /tmp"
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exec 3>>$OUTPUT
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else
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DOING=Checking
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DONE=checked
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exec 3>/dev/null
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fi
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STATEDIR=$(mktempdir)
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OUTPUT=$(mktempfile $STATEDIR)
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[ -n "$OUTPUT" ] || fatal_error "Cannot create temporary file in /tmp"
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exec 3>$OUTPUT
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cat >&3 << __EOF__
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#
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# Compiled startup file generated by Shorewall $VERSION - $(date)"
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@ -8665,9 +8681,9 @@ __EOF__
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cat $(find_file prog.header) $OUTPUT $(find_file prog.footer) > $outfile
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chmod 700 $outfile
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progress_message2 "Shorewall configuration compiled to $outfile"
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rm -f $OUTPUT
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fi
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rm -f $OUTPUT
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rm -rf $TMP_DIR
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rm -rf $STATEDIR
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