tero@628: #HOSTS_CHARSET='utf-8'
tero@628: HOSTS_INCLUDE="$ETC/hosts"
tero@628: 
tero@628: NAMED_CHECKZONE=/usr/sbin/named-checkzone
tero@628: 
tero@628: RNDC=/usr/sbin/rndc
tero@628: RNDC_KEY=/etc/bind/rndc.key
tero@628: 
tero@628: 
tero@628: ## Generate forward zone from hosts hosts using pvl.hosts-forward
tero@628: #
tero@628: #   update_hosts_forward $out $src
tero@628: function update_hosts_forward {
tero@628:     local out="$1"
tero@628:     local src="$2"
tero@628:     local srcs=($src/*)
tero@628:     local msg="$out: Generating forward hosts zone: $src"
tero@628: 
tero@628:     if apply_check "$out" "${srcs[@]}"; then
tero@628:         log_skip "$msg"
tero@628:     else
tero@628:         log_apply "$msg"
tero@628:     
tero@628:         apply_cmd "$out" $OPT/bin/pvl.hosts-forward \
tero@628:             --hosts-include="$HOSTS_INCLUDE" \
tero@628:              "$src"
tero@628:     fi
tero@628: }
tero@628: 
tero@628: ## Generate reverse zone from hosts hosts using pvl.hosts-reverse
tero@628: #
tero@628: #   update_hosts_reverse $out $src
tero@628: function update_hosts_reverse {
tero@628:     local out="$1"
tero@628:     local src="$2"
tero@628:     local srcs=($src/*)
tero@628:     local msg="$out: Generating reverse hosts zone: $src"
tero@628: 
tero@628:     if apply_check "$out" "${srcs[@]}"; then
tero@628:         log_skip "$msg"
tero@628:     else
tero@628:         log_apply "$msg"
tero@628:     
tero@628:         apply_cmd "$out" $OPT/bin/pvl.hosts-reverse \
tero@628:             --hosts-include="$HOSTS_INCLUDE" \
tero@628:              "$src"
tero@628:     fi
tero@628: }
tero@628: 
tero@628: function update_zone_include {
tero@628:     local out="$1"
tero@628:     local src="$2"
tero@628:     local msg="$out: Copy zone include: $src"
tero@628: 
tero@628:     if apply_check "$out" "${srcs[@]}"; then
tero@628:         log_skip "$msg"
tero@628:     else
tero@628:         log_apply "$msg"
tero@628: 
tero@628:         apply_cmd "$out" cat \
tero@628:             "$src"
tero@628:     fi
tero@628: }
tero@628: 
tero@628: ## Read include paths from file
tero@628: function read_zone_includes {
tero@628:     cmd sed -n -E 's/^\$INCLUDE\s+"(.+)"/\1/p' "$@"
tero@628: }
tero@628: 
tero@628: ## (cached) include paths for zone file
tero@628: function zone_includes {
tero@628:     local cache="$1"
tero@628:     local src="$2"
tero@628:     local prefix="${3:-}"
tero@628: 
tero@628:     if [ ! -e "$cache" -o "$cache" -ot "$src" ]; then
tero@628:         read_zone_includes "$src" > "$cache"
tero@628:     fi
tero@628: 
tero@628:     while read include; do
tero@628:         echo -n "$prefix$include "
tero@628:     done < "$cache"
tero@628: }
tero@628: 
tero@628: ## Search for prefix-matching includes in zone file
tero@628: function zone_includes_grep {
tero@628:     local cache="$1"
tero@628:     local src="$2"
tero@628:     local prefix="$3"
tero@628:     
tero@628:     for include in $(zone_includes $cache $src); do
tero@628:         if [ "${include#$prefix}" != "$include" ]; then
tero@628:             echo -n " ${include#$prefix}"
tero@628:         fi
tero@628:     done
tero@628: }
tero@628: 
tero@628: ## Generate new serial for zone using pvl.dns-serial, if the zone data has changed:
tero@628: #
tero@628: #   update_serial   .../serials/$zone   $serial     $deps...
tero@628: #
tero@628: # Supports SERIAL_FORCE/NOOP.
tero@628: # Updates $SERIALS/$zone.serial.
tero@628: function update_zone_serial {
tero@628:     local out="$1"
tero@628:     local serial="$2"
tero@628: 
tero@628:     local old=$(test -e "$out" && cat "$out" || echo '')
tero@628:     
tero@628:     # test
tero@628:     if [ "$SERIAL" = 1 ]; then
tero@628:         log_force "$out: Force serial $old <- $serial"
tero@628: 
tero@628:     elif apply_check "$out" "${@:3}"; then
tero@628:         log_skip "$out: Skip serial: $old <- $serial"
tero@628:         
tero@628:         return
tero@628: 
tero@628:     elif [ "$SERIAL" = 0 ]; then
tero@628:         log_noop "$out: Noop serial: $old <- $serial"
tero@628:         
tero@628:         return
tero@628: 
tero@628:     else
tero@628:         log_apply "$out: Update serial: $old <- $serial"
tero@628:     fi
tero@628: 
tero@628:     echo "$serial" > $out
tero@628: }
tero@628: 
tero@628: ## Generate zone file from source using pvl.dns-zone:
tero@628: #
tero@628: #   update_zone out/zones/$zone in/zones/$zone var/serials/$zone
tero@628: function update_zone {
tero@628:     local out="$1"
tero@628:     local src="$2"
tero@628:     local serial="$3"
tero@628:     local serial_opt=
tero@628:     local msg="$out: Generate zone: $src"
tero@628: 
tero@628:     if [ -n "$serial" -a -f "$serial" ]; then
tero@628:         serial_opt="--serial=$(cat "$serial")"
tero@628:     elif [ "$SERIAL" = 0 ]; then
tero@628:         warn "$out: noop'd serial, omitting"
tero@628:     else
tero@628:         fail "$out: missing serial: $serial"
tero@628:     fi
tero@628: 
tero@628:     if apply_check "$@"; then
tero@628:         log_skip "$msg"
tero@628:     else
tero@628:         log_apply "$msg"
tero@628: 
tero@628:         apply_cmd "$out" $OPT/bin/pvl.dns-zone \
tero@628:                 --include-path=$VAR/zones  \
tero@628:                 $serial_opt \
tero@628:                 "$src"
tero@628:     fi
tero@628: }
tero@628: 
tero@628: ## Test zone file for validity using named-checkzone:
tero@628: #
tero@628: #   check_zone      ..../$zone $origin
tero@628: function test_zone {
tero@628:     local zone=$1
tero@628:     local origin=$2
tero@628: 
tero@628:     log_check "$zone: Checking zone @$origin..." 
tero@628: 
tero@628:     # checkzone is very specific about the order of arguments, -q must be first
tero@628:     test_cmd $zone \
tero@628:         $NAMED_CHECKZONE $origin $zone
tero@628: }
tero@628: 
tero@628: # set by do_reload_zone if zone data has actually been reloaded
tero@628: RELOAD_ZONES=
tero@628: 
tero@628: ## Load update zonefiles into bind:
tero@628: #
tero@628: #   reload_zones    
tero@628: #
tero@628: # Invokes `rndc reload`, showing its output.
tero@628: function reload_zones {
tero@628:     if [ "$RELOAD" = 1 ]; then
tero@628:         log_force "Reload zones"
tero@628:         
tero@628:     elif [ "$RELOAD" = 0 ]; then
tero@628:         log_noop "Skip reload zones"
tero@628:         
tero@628:         return
tero@628:     
tero@628:     elif [ ! -e "$RNDC" ]; then
tero@628:         warn "Skip with missing RNDC: $RNDC"
tero@628:         
tero@628:         return
tero@628: 
tero@628:     elif [ ! -e "$RNDC_KEY" ]; then
tero@628:         warn "Skip with missing RNDC_KEY: $RNDC_KEY"
tero@628: 
tero@628:         return
tero@628: 
tero@628:     elif [ ! -r $RNDC_KEY ]; then
tero@628:         error "Permission denied for RNDC_KEY: $RNDC_KEY"
tero@628: 
tero@628:         return 1
tero@628: 
tero@628:     else
tero@628:         log_apply "Reload zones"
tero@628:     fi
tero@628: 
tero@628:     indent "        rndc: " \
tero@628:         $RNDC reload
tero@628: 
tero@628:     # set flag for dhcp
tero@628:     RELOAD_ZONES=1
tero@628: }