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68 lines
1.3 KiB
68 lines
1.3 KiB
#!/bin/bash
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echo
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echo "# IP-Tables configuration"
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iptables-save | while read line; do
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[ -z "${line##\**}" ] && table="${line#\*}"
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[ -z "${line##-A*}" ] && echo iptables -t $table $line
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done
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echo
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echo "# Link Configuration"
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ip link | awk -- '
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BEGIN {
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f["ARP"] = "on";
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f["MULTICAST"] = "on";
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f["ALLMULTI"] = "off";
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f["PROMISC"] = "off";
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f["DYNAMIC"] = "off";
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a["00:00:00:00:00:00"] = 1;
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a["ff:ff:ff:ff:ff:ff"] = 1;
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}
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/^[0-9]/ {
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if ( command ) print command updown;
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interface = $2;
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sub(":", "", interface);
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command = "ip link set " interface;
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updown = " down";
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if ( match($3, "[^A-Z]UP[^A-Z]") ) updown = " up";
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for ( field in f ) {
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val = f[field];
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if ( match($3, "[^A-Z]" field "[^A-Z]") ) val = "on";
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if ( match($3, "[^A-Z]NO" field "[^A-Z]") ) val = "off";
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if ( val != f[field] && val != "auto" ) {
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command = command " " tolower(field) " " val;
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}
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}
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if ( $4 == "mtu" ) {
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command = command " mtu " $5;
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}
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}
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/^ *link\// {
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if ( ! a[$2] ) command = command " address " $2;
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if ( ! a[$4] ) command = command " broadcast " $4;
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}
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END {
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if ( command ) print command updown;
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}
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'
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echo
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echo "# IPv4 Address Configuration"
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ip addr | grep '^ *inet ' | sed 's, *inet,ip addr add,; s,\(.*\) ,\1 dev ,'
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echo
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echo "# IPv4 Route Configuration"
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ip route | grep -v ' scope link ' | sed 's,^,ip route add ,'
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echo
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