master
bbruns@gmail.com
parent
cfec384825
commit
75472cf87f
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@ -28,11 +28,12 @@ FWLIBDIR="${FWPREFIX}/lib/srfirewall"
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FWBINDIR="${FWPREFIX}/bin"
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# Begin sourcing critical files, because we need things like path right away
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source "${FWCONFIGDIR}/main.conf"
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source "${FWLIBDIR}/binaries.inc"
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source "${FWLIBDIR}/iptables.inc"
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source "${FWLIBDIR}/display.inc"
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source "${FWCONFIGDIR}/main.conf"
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source "${FWCONFIGDIR}/chains.conf"
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source "${FWCONFIGDIR}/ipv4.conf"
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source "${FWCONFIGDIR}/ipv6.conf"
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@ -54,6 +55,56 @@ else
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display="true"
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fi
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# Swap out display_c command for dummy command if they don't want
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# debug output when command is run.
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if [[ "${DisplayDebugInfo}" == "yes" ]]; then
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debug="display_c"
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else
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debug="true"
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fi
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#if [ "$UID" != "0" ] && [ "${DebugOverride}" != "yes" ]; then
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# ${display} RED "You must be root to run this script."
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# exit 2
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#fi
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if [ ! -x "${IPTABLES}" ] && [ "${EnableIPv4}" == "yes" ] && [ "${DebugOverride}" != "yes" ]; then
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${display} RED "iptables command not found. Please make sure you have the iptables"
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${display} RED "installed (package or source) and you have the IPTABLES option properly"
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${display} RED "defined in the 'main.conf' file if needed."
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exit 3
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fi
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if [ ! -x "${IP6TABLES}" ] && [ "${EnableIPv6}" == "yes" ] && [ "${DebugOverride}" != "yes" ]; then
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${display} RED "ip6tables command not found. Please make sure you have the iptables"
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${display} RED "installed (package or source) and you have the IP6TABLES option properly"
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${display} RED "defined in the 'main.conf' file if needed."
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exit 3
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fi
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if [ ! -e "/proc/net/ip_tables_names" ] && [ "${EnableIPv4}" == "yes" ] && [ "${DebugOverride}" != "yes" ]; then
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${display} RED "IPv4 Netfilter modules do not appear to be loaded. Attempting to load now..."
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if ! `${MODPROBE} ${IP4TablesMod} &>/dev/null`; then
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${display} RED "Module ${IP4TablesMod} failed to load."
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${display} RED "Will continue with IPv4 disabled."
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EnableIPv4="no"
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else
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${display} GREEN "Module successfully loaded."
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fi
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fi
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if [ ! -e "/proc/net/ip6_tables_names" ] && [ "${EnableIPv6}" == "yes" ] && [ "${DebugOverride}" != "yes" ]; then
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${display} RED "IPv6 Netfilter modules do not appear to be loaded. Attempting to load now..."
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if ! `${MODPROBE} ${IP6TablesMod} &>/dev/null`; then
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${display} RED "Module ${IP6TablesMod} failed to load."
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${display} RED "Will continue with IPv6 disabled."
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EnableIPv6="no"
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else
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${display} GREEN "Module successfully loaded."
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fi
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fi
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if [[ "${EnableIPv4}" == "yes" ]]; then
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# First flush all rules
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iptables_rules_flush ipv4
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@ -71,3 +122,4 @@ if [[ "${EnableIPv6}" == "yes" ]]; then
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# customized by users in their custom rules
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setup_iptables_chains ipv6
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fi
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@ -1,6 +0,0 @@
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# This file is sourced by the main srfirewall program to inject
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# custom commands/rules during specific moments of the firewall
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# setup.
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#
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# In particular this file injects/commands rules:
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# Before the main chains are setup.
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@ -9,3 +9,17 @@ EnableIPv6="yes"
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# Display detailed output while running script?
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DisplayDetailedOutput="yes"
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# Display alot of extra debugging info?
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DisplayDebugInfo="yes"
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# Debug Override?
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# I use this command to disable checks while debugging scripts
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# where I don't want certain sanity checks to run. Normally,
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# keep this off in production
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DebugOverride="no"
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# Manually override location of iptables/ip6tables if needed
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# otherwise detect automatically with 'which'
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#IPTABLES="/sbin/iptables"
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#IP6TABLES="/sbin/ip6tables"
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@ -22,3 +22,6 @@
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MODPROBE=`which modprobe`
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IPTABLES=`which iptables`
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IP6TABLES=`which ip6tables`
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IPTablesMod="ip_tables"
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IP6TablesMod="ip6_tables"
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@ -84,34 +84,34 @@ function setup_iptables_chains {
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# Set up rules - the order matters - we do it separately here
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# for easy viewing of order
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/prerun.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/prerun.sh; fi
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${display} GREEN "Setting up InPreRules"
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${debug} PURPLE "Setting up InPreRules"
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${VER_IPTABLES} -A INPUT -j ${InPreRules}
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${display} GREEN "Setting up OutPreRules"
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${debug} PURPLE "Setting up OutPreRules"
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${VER_IPTABLES} -A OUTPUT -j ${OutPreRules}
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/trusted.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/trusted.sh; fi
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${display} GREEN "Setting up Trusted"
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${debug} PURPLE "Setting up Trusted"
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${VER_IPTABLES} -A INPUT -j ${Trusted}
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/easyblock.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/easyblock.sh; fi
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${display} GREEN "Setting up InEasyBlock"
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${debug} PURPLE "Setting up InEasyBlock"
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${VER_IPTABLES} -A INPUT -j ${InEasyBlock}
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${display} GREEN "Setting up OutEasyBlock"
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${debug} PURPLE "Setting up OutEasyBlock"
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${VER_IPTABLES} -A OUTPUT -j ${OutEasyBlock}
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/filter.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/filter.sh; fi
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${display} GREEN "Setting up InFilter"
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${debug} PURPLE "Setting up InFilter"
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${VER_IPTABLES} -A INPUT -j ${InFilter}
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${display} GREEN "Setting up OutFilter"
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${debug} PURPLE "Setting up OutFilter"
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${VER_IPTABLES} -A OUTPUT -j ${OutFilter}
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${display} GREEN "Setting up FwdFilter"
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${debug} PURPLE "Setting up FwdFilter"
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${VER_IPTABLES} -A FORWARD -j ${FwdFilter}
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/nat.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/nat.sh; fi
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${display} GREEN "Setting up NAT"
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${debug} PURPLE "Setting up NAT"
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${VER_IPTABLES} -A POSTROUTING -t nat -j ${NAT}
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/portfw.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/portfw.sh; fi
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${display} GREEN "Setting up PortForward"
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${debug} PURPLE "Setting up PortForward"
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${VER_IPTABLES} -A PREROUTING -t nat -j ${PortForward}
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if [ -x ${FWCONFIGDIR}/ipv${IPVER}/custom/postrun.sh ]; then . ${FWCONFIGDIR}/ipv${IPVER}/custom/postrun.sh; fi
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${display} GREEN "Setting up InPostRules"
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${debug} PURPLE "Setting up InPostRules"
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${VER_IPTABLES} -A INPUT -j ${InPostRules}
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${display} GREEN "Setting up OutPostRules"
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${debug} PURPLE "Setting up OutPostRules"
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${VER_IPTABLES} -A OUTPUT -j ${OutPostRules}
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}
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