mirror of
https://github.com/NeoCloud/NeoNetwork
synced 2024-12-24 02:59:23 +08:00
51 lines
685 B
Bash
Executable file
51 lines
685 B
Bash
Executable file
#!/usr/bin/env bash
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set -e
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FILE="dns/db.10.127"
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LO_TEMP="$(mktemp)"
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if [[ "$(uname)" = *BSD ]]; then
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TAC=gtac
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else
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TAC=tac
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fi
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print_record()
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{
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printf "%s\tIN\tPTR\t%s\n" "$1" "$2"
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}
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ipcalc()
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{
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local subnet="$1"
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local add="$2"
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REV="$(echo -n "${subnet%,*}." | "$TAC" -s .)"
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REV="${REV%.*.*.}"
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echo "$[ ${REV%.*} + $add ].${REV#*.}"
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}
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# PROGRAM BEGIN
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sed -i '/AUTOGENERATED/,$d' "$FILE"
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echo '; AUTOGENERATED' >> "$FILE"
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(
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cd route
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for i in *; do
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source "$i"
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if [ "$TYPE" = "LO" ]; then
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ip="${i/,32/}"
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print_record "$(ipcalc "$ip" 0)" "$NAME.neo." >> "$LO_TEMP"
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fi
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done
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)
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{
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echo -e "\n; Loopback Addresses"
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sort -n < "$LO_TEMP"
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} >> "$FILE"
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rm -f "$LO_TEMP"
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