1 | #!/usr/bin/perl -w
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2 | #
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3 | # Copyright 2005 Stichting Wireless Leiden
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4 | # maart 2004 rick@wirelessleiden.nl
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5 | #
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6 |
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7 | # Config located at other file
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8 | my $conf_file="./genesis.conf";
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9 | do($conf_file) || die("Cann't open $conf_file");
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10 | ################ END OF CONFIG ##########################
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11 |
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12 | #variablen
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13 | my $time=gmtime();
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14 | my $source=`/bin/hostname`;
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15 | chomp($source);
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16 |
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17 |
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18 | #slurp IP berekeningen info
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19 | do ("$IP_pmPath") || die ("Cann't open $IP_pmPath");
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20 | #slurp dns info
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21 | do ("$dnsheader_confPath") || die ("Cann't open $dnsheader_confPath");
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22 |
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23 |
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24 | #zoek uit of het master_ip addr voorkomt in de configs
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25 | #belangrijk van aliassen
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26 | sub master_ipNotUsed {
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27 | if( $debug ) {
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28 | print "running master_ipNotUsed...\n";
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29 | }
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30 | foreach my $if (keys %config) {
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31 | if( $IP{$if} =~ /([0-9\.]+).*/ ) {
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32 | if( $1 eq $master_ip ) {
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33 | return(0);
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34 | };
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35 | };
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36 | };
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37 | return(1);
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38 | };
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39 |
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40 |
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41 |
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42 | sub genHeader {
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43 | my $comment = $_[0];
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44 | my $output =
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45 | "$comment This file specific to wireless\n" .
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46 | "$comment leiden. Please make all changes in Genesis.\n" .
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47 | "$comment\n" .
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48 | "$comment Generated by $source\n" .
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49 | "$comment on $time\n" .
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50 | "$comment\n" .
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51 | "$comment $author\n" .
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52 | "$comment\n\n\n";
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53 | return ($output);
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54 | };
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55 |
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56 |
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57 | sub txtconfig {
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58 | my $output = "";
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59 | foreach $interface (keys %config) {
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60 | $output .= $config{$interface};
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61 | };
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62 | return($output);
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63 | };
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64 |
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65 |
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66 | sub dnsmasq_conf {
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67 | my $output = genHeader("#");
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68 | $output .=
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69 | "# DHCP server options \n" .
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70 | "dhcp-authoritative \n" .
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71 | "dhcp-fqdn \n" .
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72 | "domain=dhcp.$nodename.$domain. \n" .
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73 | "domain-needed \n" .
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74 | "expand-hosts \n" .
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75 | "\n" .
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76 | "# Low memory footprint \n" .
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77 | "cache-size=10000 \n" .
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78 | "\n";
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79 |
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80 | foreach my $interface (sort keys %config) {
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81 | if( $interface =~ /^[a-z]+[0-9]+$/i ) {
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82 | (my $ip, my $netmask) = split('/', $IP{$interface});
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83 | my $subnet = IP::toSubnet($netmask);
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84 |
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85 | $output .=
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86 | "## $interface $DESC{$interface}\n";
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87 |
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88 | if ( $DHCP{$interface} =~ /[0-9]+\-[0-9]+/i ) {
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89 | my $dhcp_part = $ip;
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90 | $dhcp_part =~ s/[0-9]+$//;
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91 | (my $dhcp_start, my $dhcp_stop) = $DHCP{$interface} =~ /([0-9]+)\-([0-9]+)/i;
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92 | $dhcp_start = $dhcp_part . $dhcp_start;
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93 | $dhcp_stop = $dhcp_part . $dhcp_stop;
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94 | $output .= "dhcp-range=$interface,$dhcp_start,$dhcp_stop,$subnet,24h\n\n";
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95 | }
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96 | else {
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97 | $output .= "# not autoritive \n\n";
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98 | };
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99 | };
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100 | };
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101 |
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102 | return($output);
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103 | };
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104 |
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105 |
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106 | sub dhcpd_conf {
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107 | my $output = genHeader("#");
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108 | $output .=
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109 | "option domain-name \"$domain\";\n" .
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110 | " \n" .
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111 | "default-lease-time 7200;\n" .
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112 | "max-lease-time 2592000;\n" .
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113 | "\n" .
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114 | "ddns-update-style none;\n" .
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115 | "\n" .
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116 | "# Hack for the WET11\n" .
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117 | "#\n" .
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118 | "always-broadcast on;\n" .
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119 | "\n" .
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120 | "option domain-name-servers ${master_ip};\n" .
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121 | "\n";
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122 |
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123 | foreach my $interface (sort keys %config) {
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124 | if( $interface =~ /^[a-z]+[0-9]+$/i ) {
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125 | (my $ip, my $netmask) = split('/', $IP{$interface});
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126 | my $subnet = IP::toSubnet($netmask);
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127 | my $broadcast = IP::getBroadcastAddr($ip, $subnet);
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128 | my $network = IP::getNetworkAddr($ip, $subnet);
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129 |
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130 | $output .=
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131 | "# $interface $DESC{$interface}\n";
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132 |
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133 | if ( $DHCP{$interface} =~ /[0-9]+\-[0-9]+/i ) {
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134 | my $dhcp_part = $ip;
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135 | $dhcp_part =~ s/[0-9]+$//;
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136 | (my $dhcp_start, my $dhcp_stop) = $DHCP{$interface} =~ /([0-9]+)\-([0-9]+)/i;
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137 | $dhcp_start = $dhcp_part . $dhcp_start;
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138 | $dhcp_stop = $dhcp_part . $dhcp_stop;
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139 | $output .=
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140 | "subnet $network netmask $subnet {\n" .
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141 | " range $dhcp_start $dhcp_stop;\n" .
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142 | " option broadcast-address $broadcast;\n" .
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143 | " option subnet-mask $subnet;\n" .
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144 | " option routers $ip;\n" .
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145 | $DHCP_STATIC{$if} .
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146 | "}\n" .
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147 | "\n";
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148 | }
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149 | else {
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150 | $output .=
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151 | "subnet $network netmask $subnet {not authoritative; }\n" .
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152 | "\n";
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153 | };
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154 | };
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155 | };
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156 |
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157 | return($output);
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158 | };
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159 |
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160 | sub named_conf {
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161 | my $output = genHeader("#");
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162 | $output .=
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163 | "options {\n" .
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164 | " directory \"/etc/namedb\"\;\n" .
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165 | " pid-file \"/var/run/named/pid\"\;\n" .
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166 | " forwarders {\n";
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167 | foreach my $forward (@forwarder) {
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168 | $output .= "$forward;\n";
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169 | };
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170 | $output .=
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171 | " };\n" .
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172 | "};\n" .
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173 | "\n" .
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174 | "\n" .
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175 | "zone \"\.\" {\n" .
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176 | " type hint;\n" .
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177 | " file \"/etc/namedb/named.root\"\;\n" .
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178 | "}\;\n" .
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179 | "\n" .
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180 | "zone \"0\.0\.127\.IN-ADDR.ARPA\" {\n" .
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181 | " type master\;\n" .
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182 | " file \"/etc/namedb/master/localhost.rev\"\;\n" .
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183 | "}\;\n" .
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184 | "\n" .
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185 | "zone \"1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.IP6.INT\" {\n" .
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186 | " type master\;\n" .
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187 | " file \"/etc/namedb/master/localhost-v6.rev\"\;\n" .
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188 | "};\n" .
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189 | "\n";
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190 |
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191 |
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192 | foreach my $tmpZone (sort keys %zone) {
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193 | my $dnsZone = $zone{$tmpZone};
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194 | $output .=
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195 | "zone \"$tmpZone\" {\n" .
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196 | " type slave\;\n" .
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197 | " file \"slave/slave-$tmpZone\"\;\n" .
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198 | " masters {\n";
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199 | foreach my $tmpIP (sort @$dnsZone) {
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200 | $output .= " $tmpIP\;\n";
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201 | };
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202 | $output .=
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203 | " };\n" .
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204 | "};\n" .
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205 | "\n";
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206 | };
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207 |
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208 | return($output);
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209 | };
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210 |
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211 |
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212 |
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213 | sub rc_conf_local {
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214 | my $output = genHeader("#");
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215 | my $masterNotUsed = master_ipNotUsed();
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216 | $output.=
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217 | "hostname=\"$nodetype$nodename.$domain\"\n" .
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218 | "location=\"$location\"\n" .
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219 | "\n";
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220 |
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221 | if( $tproxy ) {
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222 | if( $tproxy =~ m/\d+\.\d+\.\d+\.\d+\/\d+/ ) {
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223 | $output .=
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224 | "# Tproxy is ran on this system\n".
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225 | "tproxy_enable='YES'\n".
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226 | "tproxy_range='$tproxy'\n".
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227 | "\n";
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228 | }
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229 | elsif( $tproxy !~ m/no/i ) {
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230 | $output .= "# WARNING - specification propably wrong - check " .
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231 | "genesis. It should be a pure CIDR\n";
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232 | };
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233 | };
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234 |
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235 | $iplist = "172.31.255.1/32";
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236 | if( $masterNotUsed ) {
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237 | $iplist .= " $master_ip/32";
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238 | }
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239 | $output .= "ipv4_addrs_lo0=\"127.0.0.1/8 $iplist\"\n";
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240 |
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241 | $WLAN_NR = 0;
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242 | foreach my $interface (sort keys %config) {
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243 | (my $if, my $number) = split(/:/, $interface);
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244 | if( not defined $number ) {
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245 | # No special syntax for aliases anymore
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246 | $IFNAME = $if;
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247 | if( $TYPE{$if} =~ /wireless/i ) {
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248 | $IFNAME = "wlan$WLAN_NR";
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249 | $WLAN_NR++;
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250 | $output .= "wlans_$if=\"$IFNAME\"\n";
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251 | $output .= "create_args_$IFNAME=\"";
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252 | if( $MODE{$if} =~/master/i ) {
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253 | $output .= "wlanmode ap";
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254 | } else {
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255 | $output .= "wlanmode sta"
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256 | }
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257 | if ( $SUBTYPE{$if} =~ /802.11a/i ) {
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258 | $output .= " mode 11a";
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259 | } elsif ( $SUBTYPE{$if} =~ /802.11g/i ) {
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260 | $output .= " mode 11g";
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261 | } else {
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262 | # Default output
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263 | $output .= " mode 11b";
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264 | }
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265 | $output .= " ssid $ESSID{$interface} regdomain ETSI country NL";
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266 | if( $MODE{$if} =~/master/i ) {
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267 | $output .= " channel $CHANNEL{$interface}";
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268 | }
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269 | $output .= "\"\n";
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270 | }
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271 |
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272 | @iplist = ();
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273 | foreach my $interface (sort keys %config) {
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274 | (my $if_t, my $number) = split(/:/, $interface);
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275 | if ( $if_t eq $if ) {
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276 | push(@iplist,$IP{$interface});
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277 | };
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278 | };
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279 | $output .= "ipv4_addrs_$IFNAME=\"" . join(' ',@iplist) . "\"\n";
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280 | $output .= "\n";
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281 | };
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282 | };
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283 | return($output);
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284 | };
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285 |
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286 |
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287 | sub resolv_conf {
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288 | my $output = genHeader"#";
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289 |
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290 | $output .=
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291 | "search wleiden.net\n" .
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292 | "# Try local (cache) first \n" .
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293 | "nameserver 127.0.0.1\n" .
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294 | "\n";
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295 |
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296 | $output .=
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297 | "# proxies are also nameservers \n" .
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298 | "nameserver 172.17.8.68 # proxy1\n" .
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299 | "nameserver 172.17.143.4 # proxy2\n" .
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300 | "nameserver 172.20.128.98 # proxy3\n" .
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301 | "nameserver 172.16.2.254 # proxy4\n" .
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302 | "nameserver 172.19.168.66 # proxy5\n" .
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303 | "nameserver 172.16.3.146 # proxy6\n" .
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304 | "nameserver 172.17.16.66 # proxy62\n" .
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305 | "nameserver 172.17.0.1 # proxy7\n" .
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306 | "nameserver 172.16.4.54 # proxy9\n" .
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307 | "nameserver 172.22.0.66 # proxy10\n" .
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308 | "nameserver 172.23.25.66 # proxy11\n" .
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309 | "nameserver 172.17.169.66 # proxy97\n";
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310 |
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311 | return($output);
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312 | };
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313 |
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314 |
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315 | sub parse_config {
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316 | my $workingfile = $_[0];
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317 | do($workingfile) || die("Cann't open/parse $workingfile");
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318 | foreach my $if (keys %config) {
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319 | my $cfg=$config{$if};
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320 | while ($cfg) {
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321 | $cfg=~s/^([^\n\r]+)[\r\n]*//m;
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322 | my $line=$1;
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323 | $line=~s/\s*#.*//;
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324 | if (((my $name, my $value)=split(/=/,$line)) eq 2) {
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325 | my $doit="if (exists(\$$name\{\"$if\"\})) {\$$name\{\"$if\"\}.=\";$value\";} else {\$$name\{\"$if\"\}.=\"$value\";}";
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326 | eval($doit);
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327 | };
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328 | $cfg=~s/[\r\n]*$//m;
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329 | };
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330 | };
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331 | };
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332 |
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333 | sub authorized_keys {
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334 | my $output = genHeader("#");
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335 | if( -e "$global_keyPath" ) {
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336 | open( GLOBAL, "$global_keyPath" ) || die ("Cann't open $global_keyPath");
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337 | $output .= join("", <GLOBAL>);
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338 | close( GLOBAL );
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339 | }
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340 | else {
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341 | $output .= "# No $global_keyPath\n";
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342 | };
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343 |
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344 | if( -e "$ndir/$nodetype$nodename/$ssh_file" ) {
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345 | open( NODE, "$ndir/$nodetype$nodename/$ssh_file" ) || die ("Cann't open $home/$nodename/$ssh_file");
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346 | $output .= join("", <NODE>);
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347 | close( NODE );
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348 | }
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349 | else {
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350 | $output .= "# No $ndir/$nodetype$nodename/$ssh_file\n";
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351 | };
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352 |
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353 | return($output);
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354 | };
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355 |
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356 | sub do_it {
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357 | my $file = $_[0];
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358 | my $body = "";
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359 |
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360 | $file =~ s/\./_/g;
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361 | $body=&$file;
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362 | return($body);
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363 | };
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364 |
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365 | if( exists $ARGV[0] ) {
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366 | if( exists $ARGV[1] ) {
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367 | parse_config($ARGV[0]);
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368 | print do_it($ARGV[1]);
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369 | }
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370 | else {
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371 | print "Usage `perl wleiden.pl 'inputfile' 'outputfile'`\n";
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372 | };
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373 | };
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374 |
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375 | 1;
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