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84 lines
2.0 KiB
84 lines
2.0 KiB
#!/usr/bin/env sh
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#Nsd_ZoneFile="/etc/nsd/zones/example.com.zone"
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#Nsd_Command="sudo nsd-control reload"
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######## Public functions #####################
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# args: fulldomain txtvalue
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dns_nsd_add() {
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fulldomain=$1
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txtvalue=$2
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ttlvalue=300
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Nsd_ZoneFile="${Nsd_ZoneFile:-$(_readdomainconf Nsd_ZoneFile)}"
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Nsd_Command="${Nsd_Command:-$(_readdomainconf Nsd_Command)}"
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# Arg checks
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if [ -z "$Nsd_ZoneFile" ] || [ -z "$Nsd_Command" ]; then
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Nsd_ZoneFile=""
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Nsd_Command=""
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_err "Specify ENV vars Nsd_ZoneFile and Nsd_Command"
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return 1
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fi
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if [ ! -f "$Nsd_ZoneFile" ]; then
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Nsd_ZoneFile=""
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Nsd_Command=""
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_err "No such file: $Nsd_ZoneFile"
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return 1
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fi
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_savedomainconf Nsd_ZoneFile "$Nsd_ZoneFile"
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_savedomainconf Nsd_Command "$Nsd_Command"
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_increment_serial || return 1
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echo "$fulldomain. $ttlvalue IN TXT \"$txtvalue\"" >>"$Nsd_ZoneFile"
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_info "Added TXT record for $fulldomain"
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_debug "Running $Nsd_Command"
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if eval "$Nsd_Command"; then
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_info "Successfully updated the zone"
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return 0
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else
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_err "Problem updating the zone"
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return 1
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fi
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}
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# args: fulldomain txtvalue
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dns_nsd_rm() {
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fulldomain=$1
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txtvalue=$2
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ttlvalue=300
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Nsd_ZoneFile="${Nsd_ZoneFile:-$(_readdomainconf Nsd_ZoneFile)}"
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Nsd_Command="${Nsd_Command:-$(_readdomainconf Nsd_Command)}"
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_increment_serial || return 1
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sed -i "/$fulldomain. $ttlvalue IN TXT \"$txtvalue\"/d" "$Nsd_ZoneFile"
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_info "Removed TXT record for $fulldomain"
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_debug "Running $Nsd_Command"
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if eval "$Nsd_Command"; then
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_info "Successfully reloaded NSD "
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return 0
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else
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_err "Problem reloading NSD"
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return 1
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fi
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}
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#################### Private functions below ##################################
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_increment_serial() {
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tmpfile=$(mktemp) || return 1
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awk '$3 == "SOA" {
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if ($6 == "(") {
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print "Multi-line SOA record not supported yet";
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exit 1
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} else
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$6++
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}
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{ print }' "$Nsd_ZoneFile" >"$tmpfile" || return 1
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awk '{print}' "$tmpfile" >"$Nsd_ZoneFile"
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rm -f "$tmpfile"
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}
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