1

#HOSTS_CHARSET='utf-8'

     3

     6

     7

NAMED_CHECKZONE=/usr/sbin/named-checkzone

     8

     9

RNDC=/usr/sbin/rndc

    10

RNDC_KEY=/etc/bind/rndc.key

    11

    12

    13

## Generate forward zone from hosts hosts using pvl.hosts-forward

    14

#

    15

#   update_hosts_forward $out $src

    16

function update_hosts_forward {

    17

    local out="$1"

    18

    local src="$2"

    19

    local srcs=($src/*)

    20

    local msg="$out: Generating forward hosts zone: $src"

    21

    22

    if apply_check "$out" "${srcs[@]}"; then

    23

        log_skip "$msg"

    24

    else

    25

        log_apply "$msg"

    26

    27

        apply_cmd "$out" $OPT/bin/pvl.hosts-forward \

    28

            --hosts-include="$HOSTS_INCLUDE" \

    29

             "$src"

    30

    fi

    31

}

    32

    33

## Generate reverse zone from hosts hosts using pvl.hosts-reverse

    34

#

    35

#   update_hosts_reverse $out $src

    36

function update_hosts_reverse {

    37

    local out="$1"

    38

    local src="$2"

    39

    local srcs=$src/*

    40

    local msg="$out: Generating reverse hosts zone: $src"

    41

    42

    if apply_check "$out" $srcs; then

    43

        log_skip "$msg"

    44

    else

    45

        log_apply "$msg"

    46

    47

        apply_cmd "$out" $OPT/bin/pvl.hosts-reverse \

    48

            --hosts-include="$HOSTS_INCLUDE" \

    49

             "$src"

    50

    fi

    51

}

    52

    53

function update_zone_include {

    54

    local out="$1"

    55

    local src="$2"

    56

    local msg="$out: Copy zone include: $src"

    57

    58

    if apply_check "$out" "${@:2}"; then

    59

        log_skip "$msg"

    60

    else

    61

        log_apply "$msg"

    62

    63

        apply_cmd "$out" cat \

    64

            "$src"

    65

    fi

    66

}

    67

    68

    69

## Update list of zone $INCLUDEs from zone file

    70

#

    71

#   update_zone_includes var/include-cache/$zone etc/zones/$zone

    72

#

    73

function update_zone_includes {

    74

    local out="$1"

    75

    local src="$2"

    76

    local includes="$ZONES_INCLUDE"

    77

    78

    if [ "$UPDATE_INCLUDES" = 1 ]; then

    79

        log_force "$out: Force zone includes: $src"

    80

    81

    elif apply_check "$out" "$src"; then

    82

        log_skip "$out: Skip zone includes: $src"

    83

    84

        return

    85

    86

    elif [ "$UPDATE_INCLUDES" = 0 ]; then

    87

        log_noop "$out: Noop zone includes: $src"

    88

    89

        return

    90

    else

    91

        log_apply "$out: Update zone includes: $src"

    92

    fi

    93

    94

    apply_cmd "$out" $OPT/bin/pvl.dns-includes \

    95

            --include-path=$ZONES_INCLUDE \

    96

            "$src"

    97

}

    98

    99

## Update the cached .serial for the given zone, if the zone has changed:

   100

#

   101

#   update_serial var/serials/$zone $serial $deps...

   102

#

   103

# Supports UPDATE_SERIAL=

   104

function update_zone_serial {

   105

    local out="$1"

   106

    local serial="$2"

   107

   108

    local old=$(test -e "$out" && cat "$out" || echo '')

   109

   110

    # test

   111

    if [ "$UPDATE_SERIAL" = 1 ]; then

   112

        log_force "$out: Force serial $old <- $serial"

   113

   114

    elif apply_check "$out" "${@:3}"; then

   115

        log_skip "$out: Skip serial: $old <- $serial"

   116

   117

        return

   118

   119

    elif [ "$UPDATE_SERIAL" = 0 ]; then

   120

        log_noop "$out: Noop serial: $old <- $serial"

   121

   122

        return

   123

   124

    else

   125

        log_apply "$out: Update serial: $old <- $serial"

   126

    fi

   127

   128

    echo "$serial" > $out

   129

}

   130

   131

## Generate zone file from source using pvl.dns-process:

   132

#

   133

#   update_zone var/zones/$zone etc/zones/$zone var/serials/$zone

   134

#

   135

# Sets the SOA serial, and adjusts the $INCLUDE paths

   136

function update_zone {

   137

    local out="$1"

   138

    local src="$2"

   139

    local serial="$3"

   140

    local serial_opt=

   141

    local msg="$out: Generate zone: $src"

   142

   143

    if [ -n "$serial" -a -f "$serial" ]; then

   144

        serial_opt="--serial=$(cat "$serial")"

   145

    elif [ "$UPDATE_SERIAL" = 0 ]; then

   146

        warn "$out: omit noop'd serial"

   147

    else

   148

        fail "$out: missing serial: $serial"

   149

    fi

   150

   151

    if apply_check "$out" "${@:2}"; then

   152

        log_skip "$msg"

   153

    else

   154

        log_apply "$msg"

   155

   156

        apply_cmd "$out" $OPT/bin/pvl.dns-process \

   157

                $serial_opt \

   158

                --include-path=$ZONES_INCLUDE \

   159

                "$src"

   160

    fi

   161

}

   162

   163

## Test zone file for validity using named-checkzone:

   164

#

   165

#   check_zone      ..../$zone $origin

   166

function test_zone {

   167

    local zone=$1

   168

    local origin=$2

   169

   170

    log_check "$zone: Checking zone @$origin..." 

   171

   172

    # checkzone is very specific about the order of arguments, -q must be first

   173

    test_cmd $zone \

   174

        $NAMED_CHECKZONE $origin $zone

   175

}

   176

   177

# set by do_reload_zone if zone data has actually been reloaded

   178

RELOAD_ZONES=

   179

   180

## Load update zonefiles into bind:

   181

#

   182

#   reload_zones    

   183

#

   184

# Invokes `rndc reload`, showing its output.

   185

function reload_zones {

   186

    if [ "$UPDATE_RELOAD" = 1 ]; then

   187

        log_force "Reload zones"

   188

   189

    elif [ "$UPDATE_RELOAD" = 0 ]; then

   190

        log_noop "Skip reload zones"

   191

   192

        return

   193

   194

    elif [ ! -e "$RNDC" ]; then

   195

        warn "Skip with missing RNDC: $RNDC"

   196

   197

        return

   198

   199

    elif [ ! -e "$RNDC_KEY" ]; then

   200

        warn "Skip with missing RNDC_KEY: $RNDC_KEY"

   201

   202

        return

   203

   204

    elif [ ! -r $RNDC_KEY ]; then

   205

        error "Permission denied for RNDC_KEY: $RNDC_KEY"

   206

   207

        return 1

   208

   209

    else

   210

        log_apply "Reload zones"

   211

    fi

   212

   213

    cmd_indent "        rndc: " \

   214

        $RNDC reload

   215

   216

    # set flag for dhcp

   217

    RELOAD_ZONES=1

   218

}