1 | # dns/trunk/DNSDB.pm
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2 | # Abstraction functions for DNS administration
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3 | ###
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4 | # SVN revision info
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5 | # $Date: 2009-10-20 18:47:36 +0000 (Tue, 20 Oct 2009) $
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6 | # SVN revision $Rev: 23 $
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7 | # Last update by $Author: kdeugau $
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8 | ###
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9 | # Copyright (C) 2008 - Kris Deugau <kdeugau@deepnet.cx>
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10 |
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11 | package DNSDB;
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12 |
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13 | use strict;
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14 | use warnings;
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15 | use Exporter;
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16 | use DBI;
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17 | #use Net::SMTP;
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18 | #use NetAddr::IP qw( Compact );
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19 | #use POSIX;
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20 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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21 |
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22 | $VERSION = 0.1;
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23 | @ISA = qw(Exporter);
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24 | @EXPORT_OK = qw(
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25 | &initGlobals &connectDB &finish
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26 | &addDomain &delDomain &domainName
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27 | &addGroup &delGroup &getChildren &groupName
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28 | &getSOA &getRecLine &getDomRecs
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29 | &addRec &updateRec &delRec
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30 | &domStatus
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31 | %typemap %reverse_typemap
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32 | );
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33 |
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34 | @EXPORT = (); # Export nothing by default.
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35 | %EXPORT_TAGS = ( ALL => [qw(
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36 | &initGlobals &connectDB &finish
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37 | &addDomain &delDomain &domainName
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38 | &addGroup &delGroup &getChildren &groupName
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39 | &getSOA &getRecLine &getDomRecs
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40 | &addRec &updateRec &delRec
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41 | &domStatus
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42 | %typemap %reverse_typemap
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43 | )]
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44 | );
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45 |
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46 | our $group = 1;
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47 | our $errstr = '';
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48 |
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49 | # Halfway sane defaults for SOA, TTL, etc.
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50 | our %def = qw (
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51 | contact hostmaster.DOMAIN
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52 | prins ns1.myserver.com
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53 | soattl 86400
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54 | refresh 10800
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55 | retry 3600
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56 | expire 604800
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57 | minttl 10800
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58 | ttl 10800
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59 | );
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60 |
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61 | # DNS record type map and reverse map.
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62 | # loaded from the database, from http://www.iana.org/assignments/dns-parameters
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63 | our %typemap;
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64 | our %reverse_typemap;
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65 |
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66 | ##
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67 | ## Initialization and cleanup subs
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68 | ##
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69 |
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70 | ## DNSDB::connectDB()
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71 | # Creates connection to DNS database.
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72 | # Requires the database name, username, and password.
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73 | # Returns a handle to the db.
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74 | # Set up for a PostgreSQL db; could be any transactional DBMS with the
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75 | # right changes.
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76 | sub connectDB {
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77 | $errstr = '';
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78 | my $dbname = shift;
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79 | my $user = shift;
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80 | my $pass = shift;
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81 | my $dbh;
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82 | my $DSN = "DBI:Pg:dbname=$dbname";
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83 |
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84 | my $host = shift;
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85 | $DSN .= ";host=$host" if $host;
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86 |
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87 | # Note that we want to autocommit by default, and we will turn it off locally as necessary.
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88 | # We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
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89 | $dbh = DBI->connect($DSN, $user, $pass, {
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90 | AutoCommit => 1,
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91 | PrintError => 0
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92 | })
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93 | or return (undef, $DBI::errstr) if(!$dbh);
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94 |
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95 | # Return here if we can't select. Note that this indicates a
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96 | # problem executing the select.
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97 | my $sth = $dbh->prepare("select group_id from groups limit 1");
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98 | $sth->execute();
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99 | return (undef,$DBI::errstr) if ($sth->err);
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100 |
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101 | # See if the select returned anything (or null data). This should
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102 | # succeed if the select executed, but...
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103 | $sth->fetchrow();
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104 | return (undef,$DBI::errstr) if ($sth->err);
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105 |
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106 | $sth->finish;
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107 |
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108 | # If we get here, we should be OK.
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109 | return ($dbh,"DB connection OK");
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110 | } # end connectDB
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111 |
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112 |
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113 | ## DNSDB::finish()
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114 | # Cleans up after database handles and so on.
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115 | # Requires a database handle
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116 | sub finish {
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117 | my $dbh = $_[0];
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118 | $dbh->disconnect;
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119 | } # end finish
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120 |
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121 |
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122 | ## DNSDB::initGlobals()
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123 | # Initialize global variables
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124 | # NB: this does NOT include web-specific session variables!
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125 | # Requires a database handle
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126 | sub initGlobals {
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127 | my $dbh = shift;
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128 |
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129 | # load system-wide site defaults and things from config file
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130 | open SYSDEFAULTS, "</etc/dnsdb.conf";
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131 | ##fixme - error check!
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132 | while (<SYSDEFAULTS>) {
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133 | next if /^\s*#/;
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134 | $def{contact} = $1 if /contact ?= ?([a-z0-9_.-]+)/i;
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135 | $def{prins} = $1 if /prins ?= ?([a-z0-9_.-]+)/i;
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136 | $def{soattl} = $1 if /soattl ?= ?([a-z0-9_.-]+)/i;
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137 | $def{refresh} = $1 if /refresh ?= ?([a-z0-9_.-]+)/i;
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138 | $def{retry} = $1 if /retry ?= ?([a-z0-9_.-]+)/i;
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139 | $def{expire} = $1 if /expire ?= ?([a-z0-9_.-]+)/i;
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140 | $def{minttl} = $1 if /minttl ?= ?([a-z0-9_.-]+)/i;
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141 | $def{ttl} = $1 if /ttl ?= ?([a-z0-9_.-]+)/i;
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142 | ##fixme? load DB user/pass from config file?
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143 | }
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144 | # load from database
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145 | my $sth = $dbh->prepare("select val,name from rectypes");
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146 | $sth->execute;
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147 | while (my ($recval,$recname) = $sth->fetchrow_array()) {
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148 | $typemap{$recval} = $recname;
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149 | $reverse_typemap{$recname} = $recval;
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150 | }
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151 | } # end initGlobals
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152 |
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153 |
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154 | ##
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155 | ## Processing subs
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156 | ##
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157 |
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158 | ## DNSDB::addDomain()
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159 | # Add a domain
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160 | # Takes a database handle, domain name, numeric group, and boolean(ish) state (active/inactive)
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161 | # Returns a status code and message
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162 | sub addDomain {
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163 | $errstr = '';
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164 | my $dbh = shift;
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165 | return ('FAIL',"Need database handle") if !$dbh;
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166 | my $domain = shift;
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167 | return ('FAIL',"Need domain") if !defined($domain);
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168 | my $group = shift;
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169 | return ('FAIL',"Need group") if !defined($group);
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170 | my $state = shift;
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171 | return ('FAIL',"Need domain status") if !defined($state);
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172 |
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173 | my $dom_id;
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174 |
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175 | # Allow transactions, and raise an exception on errors so we can catch it later.
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176 | # Use local to make sure these get "reset" properly on exiting this block
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177 | local $dbh->{AutoCommit} = 0;
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178 | local $dbh->{RaiseError} = 1;
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179 |
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180 | # Wrap all the SQL in a transaction
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181 | eval {
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182 | # insert the domain...
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183 | my $sth = $dbh->prepare("insert into domains (domain,group_id,status) values (?,?,?)");
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184 | $sth->execute($domain,$group,$state);
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185 |
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186 | # get the ID...
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187 | $sth = $dbh->prepare("select domain_id from domains where domain='$domain'");
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188 | $sth->execute;
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189 | ($dom_id) = $sth->fetchrow_array();
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190 |
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191 | # ... and now we construct the standard records from the default set. NB: group should be variable.
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192 | $sth = $dbh->prepare("select host,type,val,distance,weight,port,ttl from default_records where group_id=$group");
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193 | my $sth_in = $dbh->prepare("insert into records (domain_id,host,type,val,distance,weight,port,ttl)".
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194 | " values ($dom_id,?,?,?,?,?,?,?)");
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195 | $sth->execute;
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196 | while (my ($host,$type,$val,$dist,$weight,$port,$ttl) = $sth->fetchrow_array()) {
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197 | $host =~ s/DOMAIN/$domain/g;
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198 | $sth_in->execute($host,$type,$val,$dist,$weight,$port,$ttl);
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199 | }
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200 |
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201 | # once we get here, we should have suceeded.
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202 | $dbh->commit;
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203 | }; # end eval
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204 |
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205 | if ($@) {
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206 | my $msg = $@;
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207 | eval { $dbh->rollback; };
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208 | return ('FAIL',$msg);
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209 | } else {
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210 | return ('OK',$dom_id);
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211 | }
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212 | } # end addDomain
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213 |
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214 |
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215 | ## DNSDB::delDomain()
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216 | # Delete a domain.
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217 | # for now, just delete the records, then the domain.
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218 | # later we may want to archive it in some way instead (status code 2, for example?)
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219 | sub delDomain {
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220 | my $dbh = shift;
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221 | my $domid = shift;
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222 |
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223 | # Allow transactions, and raise an exception on errors so we can catch it later.
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224 | # Use local to make sure these get "reset" properly on exiting this block
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225 | local $dbh->{AutoCommit} = 0;
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226 | local $dbh->{RaiseError} = 1;
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227 |
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228 | my $failmsg = '';
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229 |
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230 | # Wrap all the SQL in a transaction
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231 | eval {
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232 | my $sth = $dbh->prepare("delete from records where domain_id=?");
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233 | $failmsg = "Failure removing domain records";
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234 | $sth->execute($domid);
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235 | $sth = $dbh->prepare("delete from domains where domain_id=?");
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236 | $failmsg = "Failure removing domain";
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237 | $sth->execute($domid);
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238 |
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239 | # once we get here, we should have suceeded.
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240 | $dbh->commit;
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241 | }; # end eval
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242 |
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243 | if ($@) {
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244 | my $msg = $@;
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245 | eval { $dbh->rollback; };
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246 | return ('FAIL',"$failmsg: $msg");
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247 | } else {
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248 | return ('OK','OK');
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249 | }
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250 |
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251 | } # end delDomain()
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252 |
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253 |
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254 | ## DNSDB::domainName()
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255 | # Return the domain name based on a domain ID
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256 | # Takes a database handle and the domain ID
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257 | # Returns the domain name or undef on failure
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258 | sub domainName {
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259 | $errstr = '';
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260 | my $dbh = shift;
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261 | my $domid = shift;
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262 | my $sth = $dbh->prepare("select domain from domains where domain_id=?");
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263 | $sth->execute($domid);
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264 | my ($domname) = $sth->fetchrow_array();
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265 | $errstr = $DBI::errstr if !$domname;
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266 | return $domname if $domname;
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267 | } # end domainName
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268 |
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269 |
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270 | ## DNSDB::addGroup()
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271 | # Add a group
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272 | # Takes a database handle, group name, parent group, and template-vs-cloneme flag
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273 | # Returns a status code and message
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274 | sub addGroup {
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275 | $errstr = '';
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276 | my $dbh = shift;
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277 | my $groupname = shift;
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278 | my $pargroup = shift;
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279 |
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280 | # 0 indicates "template", hardcoded.
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281 | # Any other value clones that group's default records, if it exists.
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282 | my $torc = shift || 0;
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283 |
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284 | # Allow transactions, and raise an exception on errors so we can catch it later.
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285 | # Use local to make sure these get "reset" properly on exiting this block
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286 | local $dbh->{AutoCommit} = 0;
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287 | local $dbh->{RaiseError} = 1;
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288 |
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289 | # Wrap all the SQL in a transaction
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290 | eval {
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291 | my $sth = $dbh->prepare("INSERT INTO groups (parent_group_id,group_name) VALUES (?,?)");
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292 | $sth->execute($pargroup,$groupname);
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293 |
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294 | $sth = $dbh->prepare("SELECT group_id FROM groups WHERE group_name=?");
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295 | $sth->execute($groupname);
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296 | my ($groupid) = $sth->fetchrow_array();
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297 |
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298 | $sth = $dbh->prepare("INSERT INTO default_records (group_id,host,type,val,distance,weight,port,ttl) ".
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299 | "VALUES ($groupid,?,?,?,?,?,?,?)");
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300 | if ($torc) {
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301 | my $sth2 = $dbh->prepare("SELECT host,type,val,distance,weight,port,ttl FROM default_records WHERE group_id=?");
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302 | while (my @clonedata = $sth2->fetchrow_array) {
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303 | $sth->execute(@clonedata);
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304 | }
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305 | } else {
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306 | # reasonable basic defaults for SOA, MX, NS, and minimal hosting
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307 | # could load from a config file, but somewhere along the line we need hardcoded bits.
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308 | $sth->execute('ns1.example.com:hostmaster.example.com', 6, '10800:3600:604800:10800', 0, 0, 0, 86400);
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309 | $sth->execute('DOMAIN', 1, '192.168.4.2', 0, 0, 0, 7200);
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310 | $sth->execute('DOMAIN', 15, 'mx.example.com', 10, 0, 0, 7200);
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311 | $sth->execute('DOMAIN', 2, 'ns1.example.com', 0, 0, 0, 7200);
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312 | $sth->execute('DOMAIN', 2, 'ns2.example.com', 0, 0, 0, 7200);
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313 | $sth->execute('www.DOMAIN', 5, 'DOMAIN', 0, 0, 0, 7200);
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314 | }
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315 |
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316 | # once we get here, we should have suceeded.
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317 | $dbh->commit;
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318 | }; # end eval
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319 |
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320 | if ($@) {
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321 | my $msg = $@;
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322 | eval { $dbh->rollback; };
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323 | return ('FAIL',$msg);
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324 | } else {
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325 | return ('OK','OK');
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326 | }
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327 |
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328 | } # end addGroup()
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329 |
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330 |
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331 | ## DNSDB::delGroup()
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332 | # Delete a group.
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333 | # Takes a group ID
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334 | # Returns a status code and message
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335 | sub delGroup {
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336 | my $dbh = shift;
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337 | my $groupid = shift;
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338 |
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339 | # Allow transactions, and raise an exception on errors so we can catch it later.
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340 | # Use local to make sure these get "reset" properly on exiting this block
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341 | local $dbh->{AutoCommit} = 0;
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342 | local $dbh->{RaiseError} = 1;
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343 |
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344 | ##fixme: locate "knowable" error conditions and deal with them before the eval
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345 | # ... or inside, whatever.
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346 | # -> domains still exist in group
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347 | # -> ...
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348 | my $failmsg = '';
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349 |
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350 | # Wrap all the SQL in a transaction
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351 | eval {
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352 | my $sth = $dbh->prepare("SELECT count(*) FROM domains WHERE group_id=?");
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353 | $sth->execute($groupid);
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354 | my ($domcnt) = $sth->fetchrow_array;
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355 | $failmsg = "Can't remove group ".groupName($dbh,$groupid);
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356 | die "$domcnt domains still in group\n" if $domcnt;
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357 |
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358 | $sth = $dbh->prepare("delete from default_records where group_id=?");
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359 | $failmsg = "Failed to delete default records for ".groupName($dbh,$groupid);
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360 | $sth->execute($groupid);
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361 | $sth = $dbh->prepare("delete from groups where group_id=?");
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362 | $failmsg = "Failed to remove group ".groupName($dbh,$groupid);
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363 | $sth->execute($groupid);
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364 |
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365 | # once we get here, we should have suceeded.
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366 | $dbh->commit;
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367 | }; # end eval
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368 |
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369 | if ($@) {
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370 | my $msg = $@;
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371 | eval { $dbh->rollback; };
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372 | return ('FAIL',"$failmsg: $msg");
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373 | } else {
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374 | return ('OK','OK');
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375 | }
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376 | } # end delGroup()
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377 |
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378 |
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379 | ## DNSDB::getChildren()
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380 | # Get a list of all groups whose parent^n is group <n>
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381 | # Takes a database handle, group ID, and reference to an array to put the group IDs in
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382 | # Calls itself
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383 | sub getChildren {
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384 | $errstr = '';
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385 | my $dbh = shift;
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386 | my $rootgroup = shift;
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387 | my $groupdest = shift;
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388 |
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389 | # special break for default group; otherwise we get stuck.
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390 | if ($rootgroup == 1) {
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391 | # by definition, group 1 is the Root Of All Groups
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392 | my $sth = $dbh->prepare("SELECT group_id FROM groups");
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393 | $sth->execute;
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394 | my @grouplist;
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395 | while (my @this = $sth->fetchrow_array) {
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396 | push @$groupdest, @this;
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397 | }
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398 | } else {
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399 | my $sth = $dbh->prepare("SELECT group_id FROM groups WHERE parent_group_id=?");
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400 | $sth->execute($rootgroup);
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401 | return if $sth->rows == 0;
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402 | my @grouplist;
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403 | while (my ($group) = $sth->fetchrow_array) {
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404 | push @$groupdest, $group;
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405 | getChildren($dbh,$group,$groupdest);
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406 | }
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407 | }
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408 | } # end getChildren()
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409 |
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410 |
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411 | ## DNSDB::groupName()
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412 | # Return the group name based on a group ID
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413 | # Takes a database handle and the group ID
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414 | # Returns the group name or undef on failure
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415 | sub groupName {
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416 | $errstr = '';
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417 | my $dbh = shift;
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418 | my $groupid = shift;
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419 | my $sth = $dbh->prepare("SELECT group_name FROM groups WHERE group_id=?");
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420 | $sth->execute($groupid);
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421 | my ($groupname) = $sth->fetchrow_array();
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422 | $errstr = $DBI::errstr if !$groupname;
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423 | return $groupname if $groupname;
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424 | } # end groupName
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425 |
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426 |
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427 | ## DNSDB::editRecord()
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428 | # Change an existing record
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429 | # Takes a database handle, default/live flag, record ID, and new data and updates the data fields for it
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430 | sub editRecord {
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431 | $errstr = '';
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432 | my $dbh = shift;
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433 | my $defflag = shift;
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434 | my $recid = shift;
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---|
435 | my $host = shift;
|
---|
436 | my $address = shift;
|
---|
437 | my $distance = shift;
|
---|
438 | my $weight = shift;
|
---|
439 | my $port = shift;
|
---|
440 | my $ttl = shift;
|
---|
441 | }
|
---|
442 |
|
---|
443 |
|
---|
444 | ## DNSDB::getSOA()
|
---|
445 | # Return all suitable fields from an SOA record in separate elements of a hash
|
---|
446 | # Takes a database handle, default/live flag, and group (default) or domain (live) ID
|
---|
447 | sub getSOA {
|
---|
448 | $errstr = '';
|
---|
449 | my $dbh = shift;
|
---|
450 | my $def = shift;
|
---|
451 | my $id = shift;
|
---|
452 | my %ret;
|
---|
453 |
|
---|
454 | my $sql = "select record_id,host,val,ttl from";
|
---|
455 | if ($def eq 'def' or $def eq 'y') {
|
---|
456 | $sql .= " default_records where group_id=$id and type=$reverse_typemap{SOA}";
|
---|
457 | } else {
|
---|
458 | # we're editing a live SOA record; find based on domain
|
---|
459 | $sql .= " records where domain_id=$id and type=$reverse_typemap{SOA}";
|
---|
460 | }
|
---|
461 | my $sth = $dbh->prepare($sql);
|
---|
462 | $sth->execute;
|
---|
463 |
|
---|
464 | my ($recid,$host,$val,$ttl) = $sth->fetchrow_array();
|
---|
465 | my ($prins,$contact) = split /:/, $host;
|
---|
466 | my ($refresh,$retry,$expire,$minttl) = split /:/, $val;
|
---|
467 |
|
---|
468 | $ret{recid} = $recid;
|
---|
469 | $ret{ttl} = $ttl;
|
---|
470 | $ret{prins} = $prins;
|
---|
471 | $ret{contact} = $contact;
|
---|
472 | $ret{refresh} = $refresh;
|
---|
473 | $ret{retry} = $retry;
|
---|
474 | $ret{expire} = $expire;
|
---|
475 | $ret{minttl} = $minttl;
|
---|
476 |
|
---|
477 | return %ret;
|
---|
478 | } # end getSOA()
|
---|
479 |
|
---|
480 |
|
---|
481 | ## DNSDB::getRecLine()
|
---|
482 | # Return all data fields for a zone record in separate elements of a hash
|
---|
483 | # Takes a database handle, default/live flag, and record ID
|
---|
484 | sub getRecLine {
|
---|
485 | $errstr = '';
|
---|
486 | my $dbh = shift;
|
---|
487 | my $def = shift;
|
---|
488 | my $id = shift;
|
---|
489 |
|
---|
490 | my $sql = "select record_id,host,type,val,distance,weight,port,ttl from ".
|
---|
491 | (($def eq 'def' or $def eq 'y') ? 'default_' : '').
|
---|
492 | "records where record_id=$id";
|
---|
493 | print "MDEBUG: $sql<br>\n";
|
---|
494 | my $sth = $dbh->prepare($sql);
|
---|
495 | $sth->execute;
|
---|
496 |
|
---|
497 | my ($recid,$host,$rtype,$val,$distance,$weight,$port,$ttl) = $sth->fetchrow_array();
|
---|
498 |
|
---|
499 | if ($sth->err) {
|
---|
500 | $errstr = $DBI::errstr;
|
---|
501 | return undef;
|
---|
502 | }
|
---|
503 | my %ret;
|
---|
504 | $ret{recid} = $recid;
|
---|
505 | $ret{host} = $host;
|
---|
506 | $ret{type} = $rtype;
|
---|
507 | $ret{val} = $val;
|
---|
508 | $ret{distance}= $distance;
|
---|
509 | $ret{weight} = $weight;
|
---|
510 | $ret{port} = $port;
|
---|
511 | $ret{ttl} = $ttl;
|
---|
512 |
|
---|
513 | return %ret;
|
---|
514 | }
|
---|
515 |
|
---|
516 |
|
---|
517 | ##fixme: should use above (getRecLine()) to get lines for below?
|
---|
518 | ## DNSDB::getDomRecs()
|
---|
519 | # Return records for a domain
|
---|
520 | # Takes a database handle, default/live flag, group/domain ID, start,
|
---|
521 | # number of records, sort field, and sort order
|
---|
522 | # Returns a reference to an array of hashes
|
---|
523 | sub getDomRecs {
|
---|
524 | $errstr = '';
|
---|
525 | my $dbh = shift;
|
---|
526 | my $type = shift;
|
---|
527 | my $id = shift;
|
---|
528 | my $nrecs = shift || 'all';
|
---|
529 | my $nstart = shift || 0;
|
---|
530 |
|
---|
531 | ## for order, need to map input to column names
|
---|
532 | my $order = shift || 'host';
|
---|
533 |
|
---|
534 | my $sql = "select record_id,host,type,val,distance,weight,port,ttl from";
|
---|
535 | if ($type eq 'def' or $type eq 'y') {
|
---|
536 | $sql .= " default_records where group_id=$id";
|
---|
537 | } else {
|
---|
538 | $sql .= " records where domain_id=$id";
|
---|
539 | }
|
---|
540 | $sql .= " and not type=$reverse_typemap{SOA} order by $order";
|
---|
541 | ##fixme: need to set nstart properly (offset is not internally multiplied with limit)
|
---|
542 | $sql .= " limit $nrecs offset ".($nstart*$nrecs) if $nstart ne 'all';
|
---|
543 |
|
---|
544 | my $sth = $dbh->prepare($sql);
|
---|
545 | $sth->execute;
|
---|
546 |
|
---|
547 | my @retbase;
|
---|
548 | while (my $ref = $sth->fetchrow_hashref()) {
|
---|
549 | push @retbase, $ref;
|
---|
550 | }
|
---|
551 |
|
---|
552 | my $ret = \@retbase;
|
---|
553 | return $ret;
|
---|
554 | } # end getDomRecs()
|
---|
555 |
|
---|
556 |
|
---|
557 | ## DNSDB::addRec()
|
---|
558 | # Add a new record to a domain or a group's default records
|
---|
559 | # Takes a database handle, default/live flag, group/domain ID,
|
---|
560 | # host, type, value, and TTL
|
---|
561 | # Some types require additional detail: "distance" for MX and SRV,
|
---|
562 | # and weight/port for SRV
|
---|
563 | # Returns a status code and detail message in case of error
|
---|
564 | sub addRec {
|
---|
565 | $errstr = '';
|
---|
566 | my $dbh = shift;
|
---|
567 | my $defrec = shift;
|
---|
568 | my $id = shift;
|
---|
569 |
|
---|
570 | my $host = shift;
|
---|
571 | my $rectype = shift;
|
---|
572 | my $val = shift;
|
---|
573 | my $ttl = shift;
|
---|
574 |
|
---|
575 | my $fields = ($defrec eq 'y' ? 'group_id' : 'domain_id').",host,type,val,ttl";
|
---|
576 | my $vallist = "$id,'$host',$rectype,'$val',$ttl";
|
---|
577 |
|
---|
578 | my $dist;
|
---|
579 | if ($rectype == $reverse_typemap{MX} or $rectype == $reverse_typemap{SRV}) {
|
---|
580 | $dist = shift;
|
---|
581 | return ('FAIL',"Need distance for $typemap{$rectype} record") if !defined($dist);
|
---|
582 | $fields .= ",distance";
|
---|
583 | $vallist .= ",$dist";
|
---|
584 | }
|
---|
585 | my $weight;
|
---|
586 | my $port;
|
---|
587 | if ($rectype == $reverse_typemap{SRV}) {
|
---|
588 | $weight = shift;
|
---|
589 | $port = shift;
|
---|
590 | return ('FAIL',"Need weight and port for SRV record") if !defined($weight) or !defined($port);
|
---|
591 | $fields .= ",weight,port";
|
---|
592 | $vallist .= ",$weight,$port";
|
---|
593 | }
|
---|
594 |
|
---|
595 | my $sql = "insert into ".($defrec eq 'y' ? 'default_' : '')."records ($fields) values ($vallist)";
|
---|
596 | # something is bugging me about this...
|
---|
597 | #warn "DEBUG: $sql";
|
---|
598 | my $sth = $dbh->prepare($sql);
|
---|
599 | $sth->execute;
|
---|
600 |
|
---|
601 | return ('FAIL',$sth->errstr) if $sth->err;
|
---|
602 |
|
---|
603 | return ('OK','OK');
|
---|
604 | } # end addRec()
|
---|
605 |
|
---|
606 |
|
---|
607 | ## DNSDB::updateRec()
|
---|
608 | # Update a record
|
---|
609 | sub updateRec {
|
---|
610 | $errstr = '';
|
---|
611 |
|
---|
612 | my $dbh = shift;
|
---|
613 | my $defrec = shift;
|
---|
614 | my $id = shift;
|
---|
615 |
|
---|
616 | # all records have these
|
---|
617 | my $host = shift;
|
---|
618 | my $type = shift;
|
---|
619 | my $val = shift;
|
---|
620 | my $ttl = shift;
|
---|
621 |
|
---|
622 | return('FAIL',"Missing standard argument(s)") if !defined($ttl);
|
---|
623 |
|
---|
624 | # only MX and SRV will use these
|
---|
625 | my $dist = 0;
|
---|
626 | my $weight = 0;
|
---|
627 | my $port = 0;
|
---|
628 |
|
---|
629 | if ($type == $reverse_typemap{MX} || $type == $reverse_typemap{SRV}) {
|
---|
630 | $dist = shift;
|
---|
631 | return ('FAIL',"MX or SRV requires distance") if !defined($dist);
|
---|
632 | if ($type == $reverse_typemap{SRV}) {
|
---|
633 | $weight = shift;
|
---|
634 | return ('FAIL',"SRV requires weight") if !defined($weight);
|
---|
635 | $port = shift;
|
---|
636 | return ('FAIL',"SRV requires port") if !defined($port);
|
---|
637 | }
|
---|
638 | }
|
---|
639 |
|
---|
640 | my $sth = $dbh->prepare("UPDATE ".($defrec eq 'y' ? 'default_' : '')."records ".
|
---|
641 | "SET host=?,type=?,val=?,ttl=?,distance=?,weight=?,port=? ".
|
---|
642 | "WHERE record_id=?");
|
---|
643 | $sth->execute($host,$type,$val,$ttl,$dist,$weight,$port,$id);
|
---|
644 |
|
---|
645 | return ('FAIL',$sth->errstr."<br>\n$errstr<br>\n") if $sth->err;
|
---|
646 |
|
---|
647 | return ('OK','OK');
|
---|
648 | } # end updateRec()
|
---|
649 |
|
---|
650 |
|
---|
651 | ## DNSDB::delRec()
|
---|
652 | # Delete a record.
|
---|
653 | sub delRec {
|
---|
654 | $errstr = '';
|
---|
655 | my $dbh = shift;
|
---|
656 | my $defrec = shift;
|
---|
657 | my $id = shift;
|
---|
658 |
|
---|
659 | my $sth = $dbh->prepare("delete from ".($defrec eq 'y' ? 'default_' : '')."records where record_id=?");
|
---|
660 | $sth->execute($id);
|
---|
661 |
|
---|
662 | return ('FAIL',"Couldn't remove record: ".$sth->errstr) if $sth->err;
|
---|
663 |
|
---|
664 | return ('OK','OK');
|
---|
665 | } # end delRec()
|
---|
666 |
|
---|
667 |
|
---|
668 | ## DNSDB::domStatus()
|
---|
669 | # Sets and/or returns a domain's status
|
---|
670 | # Takes a database handle, domain ID and optionally a status argument
|
---|
671 | # Returns undef on errors.
|
---|
672 | sub domStatus {
|
---|
673 | my $dbh = shift;
|
---|
674 | my $id = shift;
|
---|
675 | my $newstatus = shift;
|
---|
676 |
|
---|
677 | return undef if $id !~ /^\d+$/;
|
---|
678 |
|
---|
679 | my $sth;
|
---|
680 |
|
---|
681 | # ooo, fun! let's see what we were passed for status
|
---|
682 | if ($newstatus) {
|
---|
683 | $sth = $dbh->prepare("update domains set status=? where domain_id=?");
|
---|
684 | # ass-u-me caller knows what's going on in full
|
---|
685 | if ($newstatus =~ /^[01]$/) { # only two valid for now.
|
---|
686 | $sth->execute($newstatus,$id);
|
---|
687 | } elsif ($newstatus =~ /^domo(?:n|ff)$/) {
|
---|
688 | $sth->execute(($newstatus eq 'domon' ? 1 : 0),$id);
|
---|
689 | }
|
---|
690 | }
|
---|
691 |
|
---|
692 | $sth = $dbh->prepare("select status from domains where domain_id=?");
|
---|
693 | $sth->execute($id);
|
---|
694 | my ($status) = $sth->fetchrow_array;
|
---|
695 | return $status;
|
---|
696 | } # end domStatus()
|
---|
697 |
|
---|
698 |
|
---|
699 | # shut Perl up
|
---|
700 | 1;
|
---|