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nwfilter: remove target table before renaming it
Remove the target table before renaming a table to it, i.e., remove table B before renaming A to B. This makes the renaming more robust against unconnected left-over tables.
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@ -125,12 +125,18 @@ static const char ebiptables_script_func_rm_chains[] =
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"}\n";
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"}\n";
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static const char ebiptables_script_func_rename_chains[] =
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static const char ebiptables_script_func_rename_chains[] =
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"rename_chain()\n"
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"{\n"
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" $EBT -t nat -F $2\n"
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" $EBT -t nat -X $2\n"
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" $EBT -t nat -E $1 $2\n"
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"}\n"
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"rename_chains()\n"
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"rename_chains()\n"
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"{\n"
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"{\n"
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" for tmp in $*; do\n"
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" for tmp in $*; do\n"
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" case $tmp in\n"
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" case $tmp in\n"
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" %c*) $EBT -t nat -E $tmp %c${tmp#?} ;;\n"
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" %c*) rename_chain $tmp %c${tmp#?} ;;\n"
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" %c*) $EBT -t nat -E $tmp %c${tmp#?} ;;\n"
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" %c*) rename_chain $tmp %c${tmp#?} ;;\n"
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" esac\n"
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" esac\n"
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" done\n"
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" done\n"
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"}\n";
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"}\n";
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