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Invoke 'routestopped' rules during [re]start
git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@2005 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb
This commit is contained in:
teastep
parent
f08532e194
commit
20355a6d24
@ -2,6 +2,8 @@ Changes in 2.2.3
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1) Added the 'continue' extension script.
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2) Obey 'routestopped' rules during [re]start.
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Changes in 2.2.2
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1) The 'check' command disclaimer is toned down further and only
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@ -1390,6 +1390,58 @@ disable_ipv6_1() {
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fi
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}
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#
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# Process the routestopped file either adding or deleting rules
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#
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process_routestopped() # $1 = command
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{
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local hosts= interface host host1 options networks
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while read interface host options; do
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expandv interface host options
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[ "x$host" = "x-" -o -z "$host" ] && host=0.0.0.0/0
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for h in $(separate_list $host); do
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hosts="$hosts $interface:$h"
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done
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routeback=
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if [ -n "$options" ]; then
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for option in $(separate_list $options); do
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case $option in
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routeback)
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if [ -n "$routeback" ]; then
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error_message "Warning: Duplicate routestopped option ignored: routeback"
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else
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routeback=Yes
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for h in $(separate_list $host); do
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run_iptables $1 FORWARD -i $interface -o $interface $(both_ip_ranges $h $h) -j ACCEPT
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done
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fi
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;;
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*)
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error_message "Warning: Unknown routestopped option ignored: $option"
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;;
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esac
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done
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fi
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done < $TMP_DIR/routestopped
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for host in $hosts; do
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interface=${host%:*}
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networks=${host#*:}
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$IPTABLES $1 INPUT -i $interface $(source_ip_range $networks) -j ACCEPT
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[ -z "$ADMINISABSENTMINDED" ] && \
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run_iptables $1 OUTPUT -o $interface $(dest_ip_range $networks) -j ACCEPT
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for host1 in $hosts; do
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[ "$host" != "$host1" ] && run_iptables $1 FORWARD -i $interface -o ${host1%:*} $(both_ip_ranges $networks ${host1#*:}) -j ACCEPT
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done
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done
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}
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#
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# Stop the Firewall
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#
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@ -1465,50 +1517,9 @@ stop_firewall() {
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hosts=
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strip_file routestopped
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[ -f $TMP_DIR/routestopped ] || strip_file routestopped
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while read interface host options; do
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expandv interface host options
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[ "x$host" = "x-" -o -z "$host" ] && host=0.0.0.0/0
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for h in $(separate_list $host); do
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hosts="$hosts $interface:$h"
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done
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routeback=
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if [ -n "$options" ]; then
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for option in $(separate_list $options); do
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case $option in
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routeback)
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if [ -n "$routeback" ]; then
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error_message "Warning: Duplicate option ignored: routeback"
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else
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routeback=Yes
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for h in $(separate_list $host); do
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$IPTABLES -A FORWARD -i $interface -o $interface $(both_ip_ranges $h $h) -j ACCEPT
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done
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fi
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;;
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*)
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error_message "Warning: Unknown option ignored: $option"
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;;
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esac
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done
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fi
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done < $TMP_DIR/routestopped
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for host in $hosts; do
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interface=${host%:*}
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networks=${host#*:}
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$IPTABLES -A INPUT -i $interface $(source_ip_range $networks) -j ACCEPT
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[ -z "$ADMINISABSENTMINDED" ] && \
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$IPTABLES -A OUTPUT -o $interface $(dest_ip_range $networks) -j ACCEPT
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for host1 in $hosts; do
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[ "$host" != "$host1" ] && $IPTABLES -A FORWARD -i $interface -o ${host1%:*} $(both_ip_ranges $networks ${host1#*:}) -j ACCEPT
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done
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done
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process_routestopped -A
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$IPTABLES -A INPUT -i lo -j ACCEPT
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[ -z "$ADMINISABSENTMINDED" ] && \
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@ -5723,6 +5734,14 @@ initialize_netfilter () {
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run_user_exit continue
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f=$(find_file routestopped)
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echo "Processing $f ..."
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strip_file routestopped $f
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process_routestopped -A
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[ -n "$DISABLE_IPV6" ] && disable_ipv6
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#
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@ -6360,7 +6379,7 @@ activate_rules()
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[ -n "$IPRANGE_MATCH" -a -f $TMP_DIR/iprange ] && rm -f $TMP_DIR/iprange
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fi
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}
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}
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#
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# Add jumps to early SNAT chains
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@ -6579,7 +6598,9 @@ activate_rules()
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run_iptables -D $chain -m state --state ESTABLISHED,RELATED -j ACCEPT
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run_iptables -D $chain -p udp --dport 53 -j ACCEPT
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done
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process_routestopped -D
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if [ -n "$LOGALLNEW" ]; then
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for table in mangle nat filter; do
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case $table in
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@ -2,6 +2,8 @@ Shorewall 2.2.3
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-----------------------------------------------------------------------
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Problems corrected in version 2.2.3
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None.
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-----------------------------------------------------------------------
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New Features in version 2.2.3
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@ -13,6 +15,27 @@ New Features in version 2.2.3
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It is useful for enabling certain communication while Shorewall is
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being [re]started. Be sure to delete any rules that you add here in
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your /etc/shorewall/start file.
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2) There has been ongoing confusion about how the
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/etc/shorewall/routestopped file works. People understand how it
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works with the 'shorewall stop' command but when they read that
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'shorewall restart' is logically equivalent to 'shorewall stop'
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followed by 'shorewall start' then they erroneously conclude that
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/etc/shorewall/routestopped can be used to enable new connections
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during 'shorewall restart'. Up to now, it cannot -- that file is not
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processed during either 'shorewall start' or 'shorewall restart'.
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Beginning with Shorewall version 2.2.3, /etc/shorewall/routestopped
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will be processed TWICE during 'shorewall start' and during
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'shorewall restart'. It will be processed to add rules allowing new
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connections during the 'start/restart' and it will be processed
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again when the 'start/restart' is complete to remove the rules added
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earlier.
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The result of this change will be that during most of [re]start, new
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connections will be allowed in accordance with the contents of
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/etc/shorewall/routestopped.
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-----------------------------------------------------------------------
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Problems corrected in version 2.2.2
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