156 lines
7.0 KiB
Bash
Executable File
156 lines
7.0 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: GPL-3.0
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#
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# freifunk-franken dns-scipts (c) 2021-2023 Blackyfff
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SetupCache() {
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mkdir -p "$DNSSCRIPT_TEMP_FOLDER""cache"
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for IView in $InternalViews; do
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rm -f "$DNSSCRIPT_TEMP_FOLDER""$IView"".conf"
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done
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rm -f "$DNSSCRIPT_TEMP_FOLDER""$ExternalView"".conf"
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}
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GetMasterFile() {
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curl -s -S -f "$RemoteLocation""db.""$MasterDomain" --output "$CachedMasterFile" && \
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[ -f "$CachedMasterFile" ] && \
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{
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echo ""
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echo "_dnsscript_version IN TXT ""$DNSSCRIPT_VERSION" | NormalizeZoneFileFormatting
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} >> "$CachedMasterFile" || :
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if [ ! -f "$CachedMasterFile" ]; then
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cp -f "$ZoneFilesFolder""db.""$FirstInternalView"".""$MasterDomain" "$CachedMasterFile"
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sed -i -e '/^_dnsscript_version.*/,$d' "$CachedMasterFile"
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echo "_dnsscript_version IN TXT ""$DNSSCRIPT_VERSION" | NormalizeZoneFileFormatting >> "$CachedMasterFile"
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fi
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}
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DoServeMasterZone() {
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[ -n "$SubCommunityDomain" ] || \
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GetAllZoneNameservers "$MasterDomain" "$CachedMasterFile" | \
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awk '{for(i=NF;i>0;--i) if($i=="'"$DNSSCRIPT_SERVER_NAME"'") {printf 1}}'
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}
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DoServeOnlyExternZone() {
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if [ -n "$MasterExternDomain" ] && [ -z "$ServeMasterZone" ]; then
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GetAllSubNameservers "$CommunityDomain" "$CommunityExternPrefix" "$CachedMasterFile" | \
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awk '{for(i=NF;i>0;--i) if($i=="'"$DNSSCRIPT_SERVER_NAME"'") {printf 1}}'
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fi
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}
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RemoveDNSSECKeysFromCacheFile() {
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sed -i -e '/^\s*_dnsseckeys\./d' "$CachedMasterFile"
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sed -i -e '/^\s*_cdskey\./d' "$CachedMasterFile"
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}
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UpdateMasterZone() {
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LocalMasterSerial=$((PostFetchMasterSerial))
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if [ -n "$ServeMasterZone" ]; then
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ZoneTempFolder="$DNSSCRIPT_TEMP_FOLDER""cache/""$MasterDomain""/"
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UpdateMaster="$(UpdateDNSSECEntryCache "$MasterDomain" "$ZoneTempFolder" "$CachedMasterFile" "$DNSSECKeyFolder" "$InternalUpstreamIP" )"
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if [ $((PostFetchMasterSerial)) -gt $((PreFetchMasterSerial)) ] || [ -n "$UpdateMaster" ] || [ ! -f "$MasterFile" ]; then
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cp -f "$CachedMasterFile" "$CachedMasterFile""I"
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for KeyFile in "$ZoneTempFolder"*; do
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[ "$KeyFile" = "$ZoneTempFolder""*" ] || \
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cat "$KeyFile" >> "$CachedMasterFile""I"
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done
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LocalMasterSerial="$(GetZoneFileSerial "$MasterFile")"
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if [ $((PostFetchMasterSerial)) -le $((LocalMasterSerial)) ]; then
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LocalMasterSerial=$((LocalMasterSerial+1))
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sed -i -e 's/^\(\s*\)'"$PostFetchMasterSerial"'\(\s*;\s*[Ss]erial.*\)$/\1'"$LocalMasterSerial"'\2/g' "$CachedMasterFile""I"
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sed -i -e 's/^\(\s*\S\+\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Ss][Oo][Aa]\s\+\S\+\s\+\S\+\s\+\)'"$PostFetchMasterSerial"'\(\s\+.*\)$/\1'"$LocalMasterSerial"'\3/g' "$CachedMasterFile""I"
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else
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LocalMasterSerial=$((PostFetchMasterSerial))
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fi
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awk '/^$/ || !a[$0]++' "$CachedMasterFile""I" > "$MasterFile"
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ReloadZone "$MasterDomain" "$InternalViews" "$ZoneFilesFolder"
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fi
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InsertZoneToViews "$InternalViews" "$ZoneFilesFolder" "$MasterDomain" "$MasterFile"
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fi
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echo "$LocalMasterSerial"
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}
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UpdateExternal() {
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CachedZoneFile="$DNSSCRIPT_TEMP_FOLDER""cache/db.""$InternalDomain""E"
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UpdateExternView=0
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if [ -n "$ExternalView" ] || [ -n "$ExternDomain" ]; then
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SerialExtern="$(GetZoneFileSerial "$ExternalZoneFile")"
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if [ $((SerialIntern)) -gt $((SerialExtern)) ]; then
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sed -e '/^[^;]*\s\(10\.\|[fF][cdCD][0-9a-fA-F]\{2\}:\)\S*\s*\(;.*\)\?$/d;s/^[^;^@]*\s\+\([^;]*\)\s[Ii][Nn]\s\+[Ss][Oo][Aa]\s/@ \1 IN SOA /g' "$InternalZoneFile" \
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> "$ExternalZoneFile"
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UpdateExternView=1
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ReloadZone "$InternalDomain" "$ExternalView" "$ZoneFilesFolder"
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fi
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if [ -n "$ExternalView" ]; then
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InsertZoneToViews "$ExternalView" "$ZoneFilesFolder" "$InternalDomain" "$InternalZoneFile"
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fi
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fi
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if [ -n "$ExternDomain" ]; then
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ExtDomainFile="$ZoneFilesFolder""db.""$FirstInternalView"".""$ExternDomain"
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ZoneTempFolder="$DNSSCRIPT_TEMP_FOLDER""cache/""$ExternDomain""/"
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named-checkzone -q -i none -o "$CachedZoneFile" "$InternalDomain" "$ExternalZoneFile"
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InternalDomainSed="$(SEDifyHostname "$InternalDomain")"
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ExternDomainSed="$(SEDifyHostname "$ExternDomain")"
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if [ -n "$(sed -e '/^'"$ExternDomainSed"'\.\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Nn][Ss]\s/!d' "$CachedZoneFile")" ]; then
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sed -i -e '/^'"$InternalDomainSed"'\.\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Nn][Ss]\s/d' "$CachedZoneFile"
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sed -i -e 's/^'"$ExternDomainSed"'\.\(\s\)/@\1/g' "$CachedZoneFile"
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fi
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if [ -n "$DNSSECKeyFolder" ]; then
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sed -i -e '/^_cdskey\./d' "$CachedZoneFile"
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sed -i -e '/^\S\+\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Dd][Nn][Ss][Kk][Ee][Yy]/d' "$CachedZoneFile"
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fi
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[ -n "$(sed -e '/^\s*\(@\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Nn][Ss]\)\s/!d' "$CachedZoneFile")" ] || \
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sed -i -e 's/^\s*\(@\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Ss][Oo][Aa]\)\s\+\S\+\s\+\S\+\s/\1 '"$DNSSCRIPT_SERVER_NAME"'. '"$DNSSCRIPT_CONTACT_EMAIL"' /g' "$CachedZoneFile"
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sed -i -e '/^\S\+\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Dd][Ss]\s/d' "$CachedZoneFile"
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sed -i -e '/^_dnsseckeys\./d' "$CachedZoneFile"
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sed -i -e 's/^'"$InternalDomainSed"'\.\(\s\)/@\1/g' "$CachedZoneFile"
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sed -i -e 's/^\(\S\+\)\.'"$InternalDomainSed"'\.\(\s\)/\1\2/g' "$CachedZoneFile"
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echo "\$TTL ${TTLReReExMi%% *}" >> "$CachedZoneFile"
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UpdateExternDomain="$(UpdateDNSSECEntryCache "$ExternDomain" "$ZoneTempFolder" "$CachedZoneFile" "$DNSSECKeyFolder" "$InternalUpstreamIP" )"
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if [ $UpdateExternView -ne 0 ] || [ -n "$UpdateExternDomain" ]; then
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for KeyFile in "$ZoneTempFolder"*; do
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[ "$KeyFile" = "$ZoneTempFolder""*" ] || \
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cat "$KeyFile" >> "$CachedZoneFile"
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done
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LocalExtDomainMasterSerial="$(GetZoneFileSerial "$ExtDomainFile")"
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if [ $((SerialIntern)) -le $((LocalExtDomainMasterSerial)) ]; then
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LocalExtDomainMasterSerial=$((LocalExtDomainMasterSerial+1))
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sed -i -e 's/^\(\s*\)'"$SerialIntern"'\(\s*;\s*[Ss]erial.*\)$/\1'"$LocalExtDomainMasterSerial"'\2/g' "$CachedZoneFile"
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sed -i -e 's/^\(\s*\S\+\s\+\([0-9]*\s\)\?\s*[Ii][Nn]\s\+[Ss][Oo][Aa]\s\+\S\+\s\+\S\+\s\+\)'"$SerialIntern"'\(\s\+.*\)$/\1'"$LocalExtDomainMasterSerial"'\3/g' "$CachedZoneFile"
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fi
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awk '/^$/ || !a[$0]++' "$CachedZoneFile" > "$ExtDomainFile"
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ReloadZone "$ExternDomain" "$InternalViews" "$ZoneFilesFolder"
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ReloadZone "$ExternDomain" "$ExternalView" "$ZoneFilesFolder"
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fi
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InsertZoneToViews "$InternalViews" "$ZoneFilesFolder" "$ExternDomain" "$ExtDomainFile"
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InsertZoneToViews "$ExternalView" "$ZoneFilesFolder" "$ExternDomain" "$ExtDomainFile"
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fi
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}
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UpdateReverseZones() {
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for Subnet in $1; do
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ReverseDomains="$(GetReverseDomains "$Subnet")"
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for RDomain in $ReverseDomains; do
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ReverseZoneFile="$(GetReverseZoneFileFromZone "${RDomain%*.}")"
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if [ -n "$RemoteLocation" ]; then
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! curl -s -f "$RemoteLocation""static.""$ReverseZoneFile" \
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--output "$ZoneFilesFolder""static.""$ReverseZoneFile" && \
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rm -f "$ZoneFilesFolder""static.""$ReverseZoneFile"
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fi
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./update-rdnszone.sh "$RDomain" "$2" "$ZoneFilesFolder""$ReverseZoneFile" "$TTLReReExMi" "$InternalViews"
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for IView in $InternalViews; do
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InsertZoneToIncludeFile "${RDomain%*.}" "$ZoneFilesFolder""$ReverseZoneFile" "$DNSSCRIPT_TEMP_FOLDER""$IView"".conf"
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done
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done
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done
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} |