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List on original dest; debugging try
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@577 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
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teastep
parent
1905dd9d1c
commit
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@ -1,15 +1,13 @@
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Changes since 1.4.3a
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Changes since 1.4.4b
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1) The command "shorewall debug try <directory>" now correctly traces
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the attempt.
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2) The ORIGINAL DEST column in a DNAT[-] or REDIRECT[-] rule may now
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contain a list of addresses. If the list begins with "!' then the
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rule will take effect only if the original destination address in
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the connection request does not match any of the addresses listed.
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1. Implement REDIRECT-.
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2. Change LOGMARKER to a printf mask and allow embedded spaces. Renamed
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it LOGFORMAT to avoid confusion.
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3. DNAT and REDIRECT logging is moved from the filter table to the nat
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table.
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4. Don't include log rule number when LOGFORMAT doesn't include "%d".
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5. Add --log-level to LOG rules.
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@ -1793,19 +1793,13 @@ refresh_tc() {
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#
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add_nat_rule() {
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local chain
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local excludedests=
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# Be sure we should and can NAT
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case $logtarget in
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DNAT|REDIRECT)
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if [ -z "$NAT_ENABLED" ]; then
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fatal_error "Rule \"$rule\" requires NAT which is disabled"
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fi
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;;
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*)
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fatal_error "Only DNAT and REDIRECT rules may specify port mapping; rule \"$rule\""
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;;
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esac
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if [ -z "$NAT_ENABLED" ]; then
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fatal_error "Rule \"$rule\" requires NAT which is disabled"
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fi
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# Parse SNAT address if any
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@ -1823,14 +1817,20 @@ add_nat_rule() {
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addr=
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;;
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detect)
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addr=
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if [ -n "$DETECT_DNAT_IPADDRS" -a "$source" != "$FW" ]; then
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eval interfaces=\$${source}_interfaces
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for interface in $interfaces; do
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addr="`find_interface_address $interface` $addr"
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done
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fi
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;;
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addr=
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if [ -n "$DETECT_DNAT_IPADDRS" -a "$source" != "$FW" ]; then
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eval interfaces=\$${source}_interfaces
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for interface in $interfaces; do
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addr="`find_interface_address $interface` $addr"
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done
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fi
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;;
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!*)
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if [ `list_count $addr` -gt 1 ]; then
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excludedests="`separate_list ${addr#\!}`"
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addr=
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fi
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;;
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esac
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addr=${addr:-0.0.0.0/0}
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@ -1853,36 +1853,51 @@ add_nat_rule() {
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else
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chain=`dnat_chain $source`
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if [ -n "$excludezones" ]; then
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if [ -n "${excludezones}${excludedests}" ]; then
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chain=nonat${nonat_seq}
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nonat_seq=$(($nonat_seq + 1))
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createnatchain $chain
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addnatrule `dnat_chain $source` -j $chain
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addnatrule `dnat_chain $source` $cli $proto $multiport $sports $dports -j $chain
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for z in $excludezones; do
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eval hosts=\$${z}_hosts
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for host in $hosts; do
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for adr in $addr; do
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addnatrule $chain $proto -s ${host#*:} \
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$multiport $sports -d $adr $dports -j RETURN
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for adr in `separate_list $addr`; do
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addnatrule $chain -s ${host#*:} -d $adr -j RETURN
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done
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done
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done
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for adr in $excludedests; do
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addnatrule $chain -d $adr -j RETURN
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done
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for adr in `separate_list $addr`; do
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if [ -n "$loglevel" ]; then
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ensurenatchain $chain
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log_rule $loglevel $chain $logtarget -t nat -d `fix_bang $adr`
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fi
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addnatrule $chain -j $target1
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done
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else
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for adr in `separate_list $addr`; do
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if [ -n "$loglevel" ]; then
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ensurenatchain $chain
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log_rule $loglevel $chain $logtarget -t nat \
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`fix_bang $proto $cli $sports -d $adr $multiport $dports`
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fi
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addnatrule $chain $proto $cli $sports \
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-d $adr $multiport $dports -j $target1
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done
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fi
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for adr in $addr; do
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if [ -n "$loglevel" ]; then
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ensurenatchain $chain
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log_rule $loglevel $chain $logtarget -t nat \
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`fix_bang $proto $cli $sports -d $adr $multiport $dports`
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loglevel=
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fi
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addnatrule $chain $proto $cli $sports \
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-d $adr $multiport $dports -j $target1
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done
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fi
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fi
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# We do all logging here rather than in the filter table
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loglevel=
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# Replace destination port by the new destination port
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if [ -n "$servport" ]; then
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@ -1930,6 +1945,11 @@ add_nat_rule() {
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#
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add_a_rule()
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{
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rule_error() {
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fatal_error "Only DNAT and REDIRECT rules may specify port mapping; rule \"$rule\""
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}
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# Set source variables
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cli=
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@ -2054,11 +2074,19 @@ add_a_rule()
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# A specific server or server port given
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if [ -n "$addr" -a "$addr" != "$serv" ]; then
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add_nat_rule
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elif [ -n "$servport" -a "$servport" != "$port" ]; then
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add_nat_rule
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fi
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case "$logtarget" in
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REDIRECT|DNAT)
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add_nat_rule
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;;
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*)
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if [ -n "$addr" -a "$addr" != "$serv" ]; then
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rule_error
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elif [ -n "$servport" -a "$servport" != "$port" ]; then
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rule_error
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fi
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;;
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esac
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if [ -z "$dnat_only" -a $chain != ${FW}2${FW} ]; then
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serv="${serv:+-d $serv}"
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@ -2,32 +2,13 @@ This is a minor release of Shorewall.
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Problems Corrected:
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1) The command "shorewall debug try <directory>" now correctly traces
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the attempt.
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New Features:
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1) A REDIRECT- rule target has been added. This target behaves for
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REDIRECT in the same was as DNAT- does for DNAT in that the
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Netfilter nat table REDIRECT rule is added but not the companion
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filter table ACCEPT rule.
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2) The LOGMARKER variable has been renamed LOGFORMAT and has been
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changed to a 'printf' formatting template which accepts three
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arguments (the chain name, logging rule number (optional) and the
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disposition). The logging rule number is included if the LOGFORMAT
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value contains '%d'. For example, to use LOGFORMAT with fireparse,
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set it as:
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LOGFORMAT="fp=%s:%d a=%s "
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CAUTION: /sbin/shorewall uses the leading part of the LOGFORMAT
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string (up to but not including the first '%') to find log messages
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in the 'show log', 'status' and 'hits' commands. This part should
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not be omitted (the LOGFORMAT should not begin with "%") and the
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leading part should be sufficiently unique for /sbin/shorewall to
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identify Shorewall messages.
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3) When logging is specified on a DNAT[-] or REDIRECT[-] rule, the
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logging now takes place in the nat table rather than in the filter
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table. This way, only those connections that actually undergo DNAT
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or redirection will be logged.
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1) The ORIGINAL DEST column in a DNAT[-] or REDIRECT[-] rule may now
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contain a list of addresses. If the list begins with "!' then the
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rule will take effect only if the original destination address in
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the connection request does not match any of the addresses listed.
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@ -162,13 +162,20 @@
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# Otherwise, a separate rule will be generated for each
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# port.
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#
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# ORIGINAL DEST (0ptional -- only allowed if ACTION is DNAT or
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# REDIRECT) If included and different from the IP
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# ORIGINAL DEST (0ptional -- only allowed if ACTION is DNAT[-] or
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# REDIRECT[-]) If included and different from the IP
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# address given in the SERVER column, this is an address
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# on some interface on the firewall and connections to
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# that address will be forwarded to the IP and port
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# specified in the DEST column.
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#
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# A comma-separated list of addresses may also be used.
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# This is usually most useful with the REDIRECT target.
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# Finally, if the list of addresses begins with "!" then
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# the rule will be followed only if the original
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# destination address in the connection request does not
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# match any of the addresses listed.
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#
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# The address may optionally be followed by
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# a colon (":") and a second IP address. This causes
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# Shorewall to use the second IP address as the source
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@ -776,7 +776,7 @@ case "$1" in
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try)
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[ -n "$SHOREWALL_DIR" ] && startup_error "Error: -c option may not be used with \"try\""
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[ $# -lt 2 -o $# -gt 3 ] && usage 1
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if ! $0 -c $2 restart; then
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if ! $0 $debugging -c $2 restart; then
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if ! iptables -L shorewall > /dev/null 2> /dev/null; then
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$0 start
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fi
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