| 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: 2011-12-09 21:17:14 +0000 (Fri, 09 Dec 2011) $
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| 6 | # SVN revision $Rev: 192 $
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| 7 | # Last update by $Author: kdeugau $
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| 8 | ###
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| 9 | # Copyright (C) 2008-2011 - 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::DNS;
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| 18 | use Crypt::PasswdMD5;
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| 19 | #use Net::SMTP;
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| 20 | use NetAddr::IP;
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| 21 | #use POSIX;
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| 22 | use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
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| 23 |
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| 24 | $VERSION = 0.1;
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| 25 | @ISA = qw(Exporter);
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| 26 | @EXPORT_OK = qw(
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| 27 | &initGlobals
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| 28 | &initPermissions &getPermissions &changePermissions &comparePermissions
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| 29 | &changeGroup
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| 30 | &loadConfig &connectDB &finish
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| 31 | &addDomain &delDomain &domainName &domainID
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| 32 | &addGroup &delGroup &getChildren &groupName
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| 33 | &addUser &updateUser &delUser &userFullName &userStatus &getUserData
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| 34 | &getSOA &getRecLine &getDomRecs &getRecCount
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| 35 | &addRec &updateRec &delRec
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| 36 | &getParents
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| 37 | &isParent
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| 38 | &domStatus &importAXFR
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| 39 | &export
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| 40 | %typemap %reverse_typemap %config
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| 41 | %permissions @permtypes $permlist
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| 42 | );
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| 43 |
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| 44 | @EXPORT = (); # Export nothing by default.
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| 45 | %EXPORT_TAGS = ( ALL => [qw(
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| 46 | &initGlobals
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| 47 | &initPermissions &getPermissions &changePermissions &comparePermissions
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| 48 | &changeGroup
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| 49 | &loadConfig &connectDB &finish
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| 50 | &addDomain &delDomain &domainName &domainID
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| 51 | &addGroup &delGroup &getChildren &groupName
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| 52 | &addUser &updateUser &delUser &userFullName &userStatus &getUserData
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| 53 | &getSOA &getRecLine &getDomRecs &getRecCount
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| 54 | &addRec &updateRec &delRec
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| 55 | &getParents
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| 56 | &isParent
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| 57 | &domStatus &importAXFR
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| 58 | &export
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| 59 | %typemap %reverse_typemap %config
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| 60 | %permissions @permtypes $permlist
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| 61 | )]
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| 62 | );
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| 63 |
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| 64 | our $group = 1;
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| 65 | our $errstr = '';
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| 66 |
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| 67 | # Halfway sane defaults for SOA, TTL, etc.
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| 68 | # serial defaults to 0 for convenience.
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| 69 | # value will be either YYYYMMDDNN for BIND/etc, or auto-internal for tinydns
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| 70 | our %def = qw (
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| 71 | contact hostmaster.DOMAIN
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| 72 | prins ns1.myserver.com
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| 73 | serial 0
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| 74 | soattl 86400
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| 75 | refresh 10800
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| 76 | retry 3600
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| 77 | expire 604800
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| 78 | minttl 10800
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| 79 | ttl 10800
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| 80 | );
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| 81 |
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| 82 | # Arguably defined wholly in the db, but little reason to change without supporting code changes
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| 83 | our @permtypes = qw (
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| 84 | group_edit group_create group_delete
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| 85 | user_edit user_create user_delete
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| 86 | domain_edit domain_create domain_delete
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| 87 | record_edit record_create record_delete
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| 88 | self_edit admin
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| 89 | );
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| 90 | our $permlist = join(',',@permtypes);
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| 91 |
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| 92 | # DNS record type map and reverse map.
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| 93 | # loaded from the database, from http://www.iana.org/assignments/dns-parameters
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| 94 | our %typemap;
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| 95 | our %reverse_typemap;
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| 96 |
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| 97 | our %permissions;
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| 98 |
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| 99 | # Prepopulate a basic config. Note some of these *will* cause errors if left unset.
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| 100 | our %config = (
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| 101 | # Database connection info
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| 102 | dbname => 'dnsdb',
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| 103 | dbuser => 'dnsdb',
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| 104 | dbpass => 'secret',
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| 105 | dbhost => '',
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| 106 |
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| 107 | # Email notice settings
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| 108 | mailhost => 'smtp.example.com',
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| 109 | mailsender => 'dnsdb@example.com',
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| 110 | mailname => 'DNS Administration',
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| 111 |
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| 112 | # Template directory
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| 113 | templatedir => 'templates/',
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| 114 | # fmeh. this is a real web path, not a logical internal one. hm..
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| 115 | # cssdir => 'templates/',
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| 116 |
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| 117 | # Session params
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| 118 | timeout => '3600' # 1 hour default
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| 119 | );
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| 120 |
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| 121 |
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| 122 | ##
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| 123 | ## Initialization and cleanup subs
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| 124 | ##
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| 125 |
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| 126 |
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| 127 | ## DNSDB::loadConfig()
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| 128 | # Load the minimum required initial state (DB connect info) from a config file
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| 129 | # Load misc other bits while we're at it.
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| 130 | # Takes an optional basename and config path to look for
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| 131 | # Populates the %config and %def hashes
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| 132 | sub loadConfig {
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| 133 | my $basename = shift || ''; # this will work OK
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| 134 |
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| 135 | my $deferr = ''; # place to put error from default config file in case we can't find either one
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| 136 |
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| 137 | my $configroot = '/etc/dnsdb';
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| 138 | $configroot = '' if $basename =~ m|^/|;
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| 139 | $basename .= ".conf" if $basename !~ /\.conf$/;
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| 140 | my $defconfig = "$configroot/dnsdb.conf";
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| 141 | my $siteconfig = "$configroot/$basename";
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| 142 |
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| 143 | # System defaults
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| 144 | __cfgload("$defconfig") or $deferr = $errstr;
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| 145 |
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| 146 | # Per-site-ish settings.
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| 147 | if ($basename ne '.conf') {
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| 148 | unless (__cfgload("$siteconfig")) {
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| 149 | $errstr = ($deferr ? "Error opening default config file $defconfig: $deferr\n" : '').
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| 150 | "Error opening site config file $siteconfig";
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| 151 | return;
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| 152 | }
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| 153 | }
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| 154 |
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| 155 | # All good, clear the error and go home.
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| 156 | $errstr = '';
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| 157 | return 1;
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| 158 | } # end loadConfig()
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| 159 |
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| 160 |
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| 161 | ## DNSDB::__cfgload()
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| 162 | # Private sub to parse a config file and load it into %config
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| 163 | # Takes a file handle on an open config file
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| 164 | sub __cfgload {
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| 165 | $errstr = '';
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| 166 | my $cfgfile = shift;
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| 167 |
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| 168 | if (open CFG, "<$cfgfile") {
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| 169 | while (<CFG>) {
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| 170 | chomp;
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| 171 | s/^\s*//;
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| 172 | next if /^#/;
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| 173 | next if /^$/;
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| 174 | # hmm. more complex bits in this file might require [heading] headers, maybe?
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| 175 | # $mode = $1 if /^\[(a-z)+]/;
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| 176 | # DB connect info
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| 177 | $config{dbname} = $1 if /^dbname\s*=\s*([a-z0-9_.-]+)/i;
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| 178 | $config{dbuser} = $1 if /^dbuser\s*=\s*([a-z0-9_.-]+)/i;
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| 179 | $config{dbpass} = $1 if /^dbpass\s*=\s*([a-z0-9_.-]+)/i;
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| 180 | $config{dbhost} = $1 if /^dbhost\s*=\s*([a-z0-9_.-]+)/i;
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| 181 | # SOA defaults
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| 182 | $def{contact} = $1 if /^contact\s*=\s*([a-z0-9_.-]+)/i;
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| 183 | $def{prins} = $1 if /^prins\s*=\s*([a-z0-9_.-]+)/i;
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| 184 | $def{soattl} = $1 if /^soattl\s*=\s*([a-z0-9_.-]+)/i;
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| 185 | $def{refresh} = $1 if /^refresh\s*=\s*([a-z0-9_.-]+)/i;
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| 186 | $def{retry} = $1 if /^retry\s*=\s*([a-z0-9_.-]+)/i;
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| 187 | $def{expire} = $1 if /^expire\s*=\s*([a-z0-9_.-]+)/i;
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| 188 | $def{minttl} = $1 if /^minttl\s*=\s*([a-z0-9_.-]+)/i;
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| 189 | $def{ttl} = $1 if /^ttl\s*=\s*([a-z0-9_.-]+)/i;
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| 190 | # Mail settings
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| 191 | $config{mailhost} = $1 if /^mailhost\s*=\s*([a-z0-9_.-]+)/i;
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| 192 | $config{mailsender} = $1 if /^mailsender\s*=\s*([a-z0-9_.@-]+)/i;
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| 193 | $config{mailname} = $1 if /^mailname\s*=\s*([a-z0-9\s_.-]+)/i;
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| 194 | # session - note this is fed directly to CGI::Session
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| 195 | $config{timeout} = $1 if /^[tT][iI][mM][eE][oO][uU][tT]\s*=\s*(\d+[smhdwMy]?)/;
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| 196 | }
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| 197 | close CFG;
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| 198 | } else {
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| 199 | $errstr = $!;
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| 200 | return;
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| 201 | }
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| 202 | return 1;
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| 203 | } # end __cfgload()
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| 204 |
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| 205 |
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| 206 | ## DNSDB::connectDB()
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| 207 | # Creates connection to DNS database.
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| 208 | # Requires the database name, username, and password.
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| 209 | # Returns a handle to the db.
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| 210 | # Set up for a PostgreSQL db; could be any transactional DBMS with the
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| 211 | # right changes.
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| 212 | sub connectDB {
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| 213 | $errstr = '';
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| 214 | my $dbname = shift;
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| 215 | my $user = shift;
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| 216 | my $pass = shift;
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| 217 | my $dbh;
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| 218 | my $DSN = "DBI:Pg:dbname=$dbname";
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| 219 |
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| 220 | my $host = shift;
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| 221 | $DSN .= ";host=$host" if $host;
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| 222 |
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| 223 | # Note that we want to autocommit by default, and we will turn it off locally as necessary.
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| 224 | # We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
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| 225 | $dbh = DBI->connect($DSN, $user, $pass, {
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| 226 | AutoCommit => 1,
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| 227 | PrintError => 0
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| 228 | })
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| 229 | or return (undef, $DBI::errstr) if(!$dbh);
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| 230 |
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| 231 | # Return here if we can't select. Note that this indicates a
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| 232 | # problem executing the select.
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| 233 | my $sth = $dbh->prepare("select group_id from groups limit 1");
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| 234 | $sth->execute();
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| 235 | return (undef,$DBI::errstr) if ($sth->err);
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| 236 |
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| 237 | # See if the select returned anything (or null data). This should
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| 238 | # succeed if the select executed, but...
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| 239 | $sth->fetchrow();
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| 240 | return (undef,$DBI::errstr) if ($sth->err);
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| 241 |
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| 242 | $sth->finish;
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| 243 |
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| 244 | # If we get here, we should be OK.
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| 245 | return ($dbh,"DB connection OK");
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| 246 | } # end connectDB
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| 247 |
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| 248 |
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| 249 | ## DNSDB::finish()
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| 250 | # Cleans up after database handles and so on.
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| 251 | # Requires a database handle
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| 252 | sub finish {
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| 253 | my $dbh = $_[0];
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| 254 | $dbh->disconnect;
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| 255 | } # end finish
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| 256 |
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| 257 |
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| 258 | ## DNSDB::initGlobals()
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| 259 | # Initialize global variables
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| 260 | # NB: this does NOT include web-specific session variables!
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| 261 | # Requires a database handle
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| 262 | sub initGlobals {
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| 263 | my $dbh = shift;
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| 264 |
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| 265 | # load system-wide site defaults and things from config file
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| 266 | if (open SYSDEFAULTS, "</etc/dnsdb.conf") {
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| 267 | ##fixme - error check!
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| 268 | while (<SYSDEFAULTS>) {
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| 269 | next if /^\s*#/;
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| 270 | $def{contact} = $1 if /contact ?= ?([a-z0-9_.-]+)/i;
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| 271 | $def{prins} = $1 if /prins ?= ?([a-z0-9_.-]+)/i;
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| 272 | $def{soattl} = $1 if /soattl ?= ?([a-z0-9_.-]+)/i;
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| 273 | $def{refresh} = $1 if /refresh ?= ?([a-z0-9_.-]+)/i;
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| 274 | $def{retry} = $1 if /retry ?= ?([a-z0-9_.-]+)/i;
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| 275 | $def{expire} = $1 if /expire ?= ?([a-z0-9_.-]+)/i;
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| 276 | $def{minttl} = $1 if /minttl ?= ?([a-z0-9_.-]+)/i;
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| 277 | $def{ttl} = $1 if /ttl ?= ?([a-z0-9_.-]+)/i;
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| 278 | ##fixme? load DB user/pass from config file?
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| 279 | }
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| 280 | }
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| 281 | # load from database
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| 282 | my $sth = $dbh->prepare("select val,name from rectypes");
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| 283 | $sth->execute;
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| 284 | while (my ($recval,$recname) = $sth->fetchrow_array()) {
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| 285 | $typemap{$recval} = $recname;
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| 286 | $reverse_typemap{$recname} = $recval;
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| 287 | }
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| 288 | } # end initGlobals
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| 289 |
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| 290 |
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| 291 | ## DNSDB::initPermissions()
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| 292 | # Set up permissions global
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| 293 | # Takes database handle and UID
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| 294 | sub initPermissions {
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| 295 | my $dbh = shift;
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| 296 | my $uid = shift;
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| 297 |
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| 298 | # %permissions = $(getPermissions($dbh,'user',$uid));
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| 299 | getPermissions($dbh, 'user', $uid, \%permissions);
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| 300 |
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| 301 | } # end initPermissions()
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| 302 |
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| 303 |
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| 304 | ## DNSDB::getPermissions()
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| 305 | # Get permissions from DB
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| 306 | # Requires DB handle, group or user flag, ID, and hashref.
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| 307 | sub getPermissions {
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| 308 | my $dbh = shift;
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| 309 | my $type = shift;
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| 310 | my $id = shift;
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| 311 | my $hash = shift;
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| 312 |
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| 313 | my $sql = qq(
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| 314 | SELECT
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| 315 | p.admin,p.self_edit,
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| 316 | p.group_create,p.group_edit,p.group_delete,
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| 317 | p.user_create,p.user_edit,p.user_delete,
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| 318 | p.domain_create,p.domain_edit,p.domain_delete,
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| 319 | p.record_create,p.record_edit,p.record_delete
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| 320 | FROM permissions p
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| 321 | );
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| 322 | if ($type eq 'group') {
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| 323 | $sql .= qq(
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| 324 | JOIN groups g ON g.permission_id=p.permission_id
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| 325 | WHERE g.group_id=?
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| 326 | );
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| 327 | } else {
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| 328 | $sql .= qq(
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| 329 | JOIN users u ON u.permission_id=p.permission_id
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| 330 | WHERE u.user_id=?
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| 331 | );
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| 332 | }
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| 333 |
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| 334 | my $sth = $dbh->prepare($sql);
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| 335 |
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| 336 | $sth->execute($id) or die "argh: ".$sth->errstr;
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| 337 |
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| 338 | # my $permref = $sth->fetchrow_hashref;
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| 339 | # return $permref;
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| 340 | # $hash = $permref;
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| 341 | # Eww. Need to learn how to forcibly drop a hashref onto an existing hash.
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| 342 | ($hash->{admin},$hash->{self_edit},
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| 343 | $hash->{group_create},$hash->{group_edit},$hash->{group_delete},
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| 344 | $hash->{user_create},$hash->{user_edit},$hash->{user_delete},
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| 345 | $hash->{domain_create},$hash->{domain_edit},$hash->{domain_delete},
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| 346 | $hash->{record_create},$hash->{record_edit},$hash->{record_delete})
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| 347 | = $sth->fetchrow_array;
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| 348 |
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| 349 | } # end getPermissions()
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| 350 |
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| 351 |
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| 352 | ## DNSDB::changePermissions()
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| 353 | # Update an ACL entry
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| 354 | # Takes a db handle, type, owner-id, and hashref for the changed permissions.
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| 355 | sub changePermissions {
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| 356 | my $dbh = shift;
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| 357 | my $type = shift;
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| 358 | my $id = shift;
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| 359 | my $newperms = shift;
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| 360 | my $inherit = shift || 0;
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| 361 |
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| 362 | my $failmsg = '';
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| 363 |
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| 364 | # see if we're switching from inherited to custom. for bonus points,
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| 365 | # snag the permid and parent permid anyway, since we'll need the permid
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| 366 | # to set/alter custom perms, and both if we're switching from custom to
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| 367 | # inherited.
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| 368 | my $sth = $dbh->prepare("SELECT (u.permission_id=g.permission_id) AS was_inherited,u.permission_id,g.permission_id".
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| 369 | " FROM ".($type eq 'user' ? 'users' : 'groups')." u ".
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| 370 | " JOIN groups g ON u.".($type eq 'user' ? '' : 'parent_')."group_id=g.group_id ".
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| 371 | " WHERE u.".($type eq 'user' ? 'user' : 'group')."_id=?");
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| 372 | $sth->execute($id);
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| 373 |
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| 374 | my ($wasinherited,$permid,$parpermid) = $sth->fetchrow_array;
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| 375 |
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| 376 | # hack phtoui
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| 377 | # group id 1 is "special" in that it's it's own parent (err... possibly.)
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| 378 | # may make its parent id 0 which doesn't exist, and as a bonus is Perl-false.
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| 379 | $wasinherited = 0 if ($type eq 'group' && $id == 1);
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| 380 |
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| 381 | local $dbh->{AutoCommit} = 0;
|
|---|
| 382 | local $dbh->{RaiseError} = 1;
|
|---|
| 383 |
|
|---|
| 384 | # Wrap all the SQL in a transaction
|
|---|
| 385 | eval {
|
|---|
| 386 | if ($inherit) {
|
|---|
| 387 |
|
|---|
| 388 | $dbh->do("UPDATE ".($type eq 'user' ? 'users' : 'groups')." SET inherit_perm='t',permission_id=? ".
|
|---|
| 389 | "WHERE ".($type eq 'user' ? 'user' : 'group')."_id=?", undef, ($parpermid, $id) );
|
|---|
| 390 | $dbh->do("DELETE FROM permissions WHERE permission_id=?", undef, ($permid) );
|
|---|
| 391 |
|
|---|
| 392 | } else {
|
|---|
| 393 |
|
|---|
| 394 | if ($wasinherited) { # munge new permission entry in if we're switching from inherited perms
|
|---|
| 395 | ##fixme: need to add semirecursive bit to properly munge inherited permission ID on subgroups and users
|
|---|
| 396 | # ... if'n'when we have groups with fully inherited permissions.
|
|---|
| 397 | # SQL is coo
|
|---|
| 398 | $dbh->do("INSERT INTO permissions ($permlist,".($type eq 'user' ? 'user' : 'group')."_id) ".
|
|---|
| 399 | "SELECT $permlist,? FROM permissions WHERE permission_id=?", undef, ($id,$permid) );
|
|---|
| 400 | ($permid) = $dbh->selectrow_array("SELECT permission_id FROM permissions ".
|
|---|
| 401 | "WHERE ".($type eq 'user' ? 'user' : 'group')."_id=?", undef, ($id) );
|
|---|
| 402 | $dbh->do("UPDATE ".($type eq 'user' ? 'users' : 'groups')." SET inherit_perm='f',permission_id=? ".
|
|---|
| 403 | "WHERE ".($type eq 'user' ? 'user' : 'group')."_id=?", undef, ($permid, $id) );
|
|---|
| 404 | }
|
|---|
| 405 |
|
|---|
| 406 | # and now set the permissions we were passed
|
|---|
| 407 | foreach (@permtypes) {
|
|---|
| 408 | if (defined ($newperms->{$_})) {
|
|---|
| 409 | $dbh->do("UPDATE permissions SET $_=? WHERE permission_id=?", undef, ($newperms->{$_},$permid) );
|
|---|
| 410 | }
|
|---|
| 411 | }
|
|---|
| 412 |
|
|---|
| 413 | } # (inherited->)? custom
|
|---|
| 414 |
|
|---|
| 415 | $dbh->commit;
|
|---|
| 416 | }; # end eval
|
|---|
| 417 | if ($@) {
|
|---|
| 418 | my $msg = $@;
|
|---|
| 419 | eval { $dbh->rollback; };
|
|---|
| 420 | return ('FAIL',"$failmsg: $msg ($permid)");
|
|---|
| 421 | } else {
|
|---|
| 422 | return ('OK',$permid);
|
|---|
| 423 | }
|
|---|
| 424 |
|
|---|
| 425 | } # end changePermissions()
|
|---|
| 426 |
|
|---|
| 427 |
|
|---|
| 428 | ## DNSDB::comparePermissions()
|
|---|
| 429 | # Compare two permission hashes
|
|---|
| 430 | # Returns '>', '<', '=', '!'
|
|---|
| 431 | sub comparePermissions {
|
|---|
| 432 | my $p1 = shift;
|
|---|
| 433 | my $p2 = shift;
|
|---|
| 434 |
|
|---|
| 435 | my $retval = '='; # assume equality until proven otherwise
|
|---|
| 436 |
|
|---|
| 437 | no warnings "uninitialized";
|
|---|
| 438 |
|
|---|
| 439 | foreach (@permtypes) {
|
|---|
| 440 | next if $p1->{$_} == $p2->{$_}; # equal is good
|
|---|
| 441 | if ($p1->{$_} && !$p2->{$_}) {
|
|---|
| 442 | if ($retval eq '<') { # if we've already found an unequal pair where
|
|---|
| 443 | $retval = '!'; # $p2 has more access, and we now find a pair
|
|---|
| 444 | last; # where $p1 has more access, the overall access
|
|---|
| 445 | } # is neither greater or lesser, it's unequal.
|
|---|
| 446 | $retval = '>';
|
|---|
| 447 | }
|
|---|
| 448 | if (!$p1->{$_} && $p2->{$_}) {
|
|---|
| 449 | if ($retval eq '>') { # if we've already found an unequal pair where
|
|---|
| 450 | $retval = '!'; # $p1 has more access, and we now find a pair
|
|---|
| 451 | last; # where $p2 has more access, the overall access
|
|---|
| 452 | } # is neither greater or lesser, it's unequal.
|
|---|
| 453 | $retval = '<';
|
|---|
| 454 | }
|
|---|
| 455 | }
|
|---|
| 456 | return $retval;
|
|---|
| 457 | } # end comparePermissions()
|
|---|
| 458 |
|
|---|
| 459 |
|
|---|
| 460 | ## DNSDB::changeGroup()
|
|---|
| 461 | # Change group ID of an entity
|
|---|
| 462 | # Takes a database handle, entity type, entity ID, and new group ID
|
|---|
| 463 | sub changeGroup {
|
|---|
| 464 | my $dbh = shift;
|
|---|
| 465 | my $type = shift;
|
|---|
| 466 | my $id = shift;
|
|---|
| 467 | my $newgrp = shift;
|
|---|
| 468 |
|
|---|
| 469 | ##fixme: fail on not enough args
|
|---|
| 470 | #return ('FAIL', "Missing
|
|---|
| 471 |
|
|---|
| 472 | if ($type eq 'domain') {
|
|---|
| 473 | $dbh->do("UPDATE domains SET group_id=? WHERE domain_id=?", undef, ($newgrp, $id))
|
|---|
| 474 | or return ('FAIL','Group change failed: '.$dbh->errstr);
|
|---|
| 475 | } elsif ($type eq 'user') {
|
|---|
| 476 | $dbh->do("UPDATE users SET group_id=? WHERE user_id=?", undef, ($newgrp, $id))
|
|---|
| 477 | or return ('FAIL','Group change failed: '.$dbh->errstr);
|
|---|
| 478 | } elsif ($type eq 'group') {
|
|---|
| 479 | $dbh->do("UPDATE groups SET parent_group_id=? WHERE group_id=?", undef, ($newgrp, $id))
|
|---|
| 480 | or return ('FAIL','Group change failed: '.$dbh->errstr);
|
|---|
| 481 | }
|
|---|
| 482 | return ('OK','OK');
|
|---|
| 483 | } # end changeGroup()
|
|---|
| 484 |
|
|---|
| 485 |
|
|---|
| 486 | ## DNSDB::_log()
|
|---|
| 487 | # Log an action
|
|---|
| 488 | # Internal sub
|
|---|
| 489 | # Takes a database handle, domain_id, user_id, group_id, email, name and log entry
|
|---|
| 490 | sub _log {
|
|---|
| 491 | my $dbh = shift;
|
|---|
| 492 | my ($domain_id,$user_id,$group_id,$username,$name,$entry) = @_;
|
|---|
| 493 |
|
|---|
| 494 | ##fixme: farm out the actual logging to different subs for file, syslog, internal, etc based on config
|
|---|
| 495 | $dbh->do("INSERT INTO log (domain_id,user_id,group_id,email,name,entry) VALUES (?,?,?,?,?,?)", undef,
|
|---|
| 496 | ($domain_id,$user_id,$group_id,$username,$name,$entry));
|
|---|
| 497 | # 123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890
|
|---|
| 498 | # 1 2 3 4 5 6 7
|
|---|
| 499 | } # end _log
|
|---|
| 500 |
|
|---|
| 501 |
|
|---|
| 502 | ##
|
|---|
| 503 | ## Processing subs
|
|---|
| 504 | ##
|
|---|
| 505 |
|
|---|
| 506 | ## DNSDB::addDomain()
|
|---|
| 507 | # Add a domain
|
|---|
| 508 | # Takes a database handle, domain name, numeric group, boolean(ish) state (active/inactive),
|
|---|
| 509 | # and user info hash (for logging).
|
|---|
| 510 | # Returns a status code and message
|
|---|
| 511 | sub addDomain {
|
|---|
| 512 | $errstr = '';
|
|---|
| 513 | my $dbh = shift;
|
|---|
| 514 | return ('FAIL',"Need database handle") if !$dbh;
|
|---|
| 515 | my $domain = shift;
|
|---|
| 516 | return ('FAIL',"Domain must not be blank") if !$domain;
|
|---|
| 517 | my $group = shift;
|
|---|
| 518 | return ('FAIL',"Need group") if !defined($group);
|
|---|
| 519 | my $state = shift;
|
|---|
| 520 | return ('FAIL',"Need domain status") if !defined($state);
|
|---|
| 521 |
|
|---|
| 522 | my %userinfo = @_; # remaining bits.
|
|---|
| 523 | # user ID, username, user full name
|
|---|
| 524 |
|
|---|
| 525 | $state = 1 if $state =~ /^active$/;
|
|---|
| 526 | $state = 1 if $state =~ /^on$/;
|
|---|
| 527 | $state = 0 if $state =~ /^inactive$/;
|
|---|
| 528 | $state = 0 if $state =~ /^off$/;
|
|---|
| 529 |
|
|---|
| 530 | return ('FAIL',"Invalid domain status") if $state !~ /^\d+$/;
|
|---|
| 531 |
|
|---|
| 532 | return ('FAIL', "Invalid characters in domain") if $domain !~ /^[a-zA-Z0-9_.-]+$/;
|
|---|
| 533 |
|
|---|
| 534 | my $sth = $dbh->prepare("SELECT domain_id FROM domains WHERE domain=?");
|
|---|
| 535 | my $dom_id;
|
|---|
| 536 |
|
|---|
| 537 | # quick check to start to see if we've already got one
|
|---|
| 538 | $sth->execute($domain);
|
|---|
| 539 | ($dom_id) = $sth->fetchrow_array;
|
|---|
| 540 |
|
|---|
| 541 | return ('FAIL', "Domain already exists") if $dom_id;
|
|---|
| 542 |
|
|---|
| 543 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 544 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 545 | local $dbh->{AutoCommit} = 0;
|
|---|
| 546 | local $dbh->{RaiseError} = 1;
|
|---|
| 547 |
|
|---|
| 548 | my $stage = 'insert';
|
|---|
| 549 | # Wrap all the SQL in a transaction
|
|---|
| 550 | eval {
|
|---|
| 551 | # insert the domain...
|
|---|
| 552 | $dbh->do("INSERT INTO domains (domain,group_id,status) VALUES (?,?,?)", undef, ($domain, $group, $state));
|
|---|
| 553 | $stage = 'domid';
|
|---|
| 554 |
|
|---|
| 555 | # get the ID...
|
|---|
| 556 | ($dom_id) = $dbh->selectrow_array("SELECT domain_id FROM domains WHERE domain=?", undef, ($domain));
|
|---|
| 557 |
|
|---|
| 558 | $stage = 'loginsert';
|
|---|
| 559 | _log($dbh, $dom_id, $userinfo{id}, $group, $userinfo{name}, $userinfo{fullname},
|
|---|
| 560 | "Added ".($state ? 'active' : 'inactive')." domain $domain");
|
|---|
| 561 |
|
|---|
| 562 | $stage = 'getdefrec';
|
|---|
| 563 | # ... and now we construct the standard records from the default set. NB: group should be variable.
|
|---|
| 564 | my $sth = $dbh->prepare("SELECT host,type,val,distance,weight,port,ttl FROM default_records WHERE group_id=?");
|
|---|
| 565 | my $sth_in = $dbh->prepare("INSERT INTO records (domain_id,host,type,val,distance,weight,port,ttl)".
|
|---|
| 566 | " VALUES ($dom_id,?,?,?,?,?,?,?)");
|
|---|
| 567 | $sth->execute($group);
|
|---|
| 568 | while (my ($host,$type,$val,$dist,$weight,$port,$ttl) = $sth->fetchrow_array()) {
|
|---|
| 569 | $host =~ s/DOMAIN/$domain/g;
|
|---|
| 570 | $val =~ s/DOMAIN/$domain/g;
|
|---|
| 571 | $sth_in->execute($host,$type,$val,$dist,$weight,$port,$ttl);
|
|---|
| 572 | if ($typemap{$type} eq 'SOA') {
|
|---|
| 573 | my @tmp1 = split /:/, $host;
|
|---|
| 574 | my @tmp2 = split /:/, $val;
|
|---|
| 575 | _log($dbh, $dom_id, $userinfo{id}, $group, $userinfo{name}, $userinfo{fullname},
|
|---|
| 576 | "[new $domain] Added SOA record [contact $tmp1[0]] [master $tmp1[1]] ".
|
|---|
| 577 | "[refresh $tmp2[0]] [retry $tmp2[1]] [expire $tmp2[2]] [minttl $tmp2[3]], TTL $ttl");
|
|---|
| 578 | } else {
|
|---|
| 579 | my $logentry = "[new $domain] Added record '$host $typemap{$type}";
|
|---|
| 580 | $logentry .= " [distance $dist]" if $typemap{$type} eq 'MX';
|
|---|
| 581 | $logentry .= " [priority $dist] [weight $weight] [port $port]" if $typemap{$type} eq 'SRV';
|
|---|
| 582 | _log($dbh, $dom_id, $userinfo{id}, $group, $userinfo{name}, $userinfo{fullname},
|
|---|
| 583 | $logentry." $val', TTL $ttl");
|
|---|
| 584 | }
|
|---|
| 585 | }
|
|---|
| 586 |
|
|---|
| 587 | # once we get here, we should have suceeded.
|
|---|
| 588 | $dbh->commit;
|
|---|
| 589 | }; # end eval
|
|---|
| 590 |
|
|---|
| 591 | if ($@) {
|
|---|
| 592 | my $msg = $@;
|
|---|
| 593 | eval { $dbh->rollback; };
|
|---|
| 594 | return ('FAIL',"$msg : $stage");
|
|---|
| 595 | } else {
|
|---|
| 596 | return ('OK',$dom_id);
|
|---|
| 597 | }
|
|---|
| 598 | } # end addDomain
|
|---|
| 599 |
|
|---|
| 600 |
|
|---|
| 601 | ## DNSDB::delDomain()
|
|---|
| 602 | # Delete a domain.
|
|---|
| 603 | # for now, just delete the records, then the domain.
|
|---|
| 604 | # later we may want to archive it in some way instead (status code 2, for example?)
|
|---|
| 605 | sub delDomain {
|
|---|
| 606 | my $dbh = shift;
|
|---|
| 607 | my $domid = shift;
|
|---|
| 608 |
|
|---|
| 609 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 610 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 611 | local $dbh->{AutoCommit} = 0;
|
|---|
| 612 | local $dbh->{RaiseError} = 1;
|
|---|
| 613 |
|
|---|
| 614 | my $failmsg = '';
|
|---|
| 615 |
|
|---|
| 616 | # Wrap all the SQL in a transaction
|
|---|
| 617 | eval {
|
|---|
| 618 | my $sth = $dbh->prepare("delete from records where domain_id=?");
|
|---|
| 619 | $failmsg = "Failure removing domain records";
|
|---|
| 620 | $sth->execute($domid);
|
|---|
| 621 | $sth = $dbh->prepare("delete from domains where domain_id=?");
|
|---|
| 622 | $failmsg = "Failure removing domain";
|
|---|
| 623 | $sth->execute($domid);
|
|---|
| 624 |
|
|---|
| 625 | # once we get here, we should have suceeded.
|
|---|
| 626 | $dbh->commit;
|
|---|
| 627 | }; # end eval
|
|---|
| 628 |
|
|---|
| 629 | if ($@) {
|
|---|
| 630 | my $msg = $@;
|
|---|
| 631 | eval { $dbh->rollback; };
|
|---|
| 632 | return ('FAIL',"$failmsg: $msg");
|
|---|
| 633 | } else {
|
|---|
| 634 | return ('OK','OK');
|
|---|
| 635 | }
|
|---|
| 636 |
|
|---|
| 637 | } # end delDomain()
|
|---|
| 638 |
|
|---|
| 639 |
|
|---|
| 640 | ## DNSDB::domainName()
|
|---|
| 641 | # Return the domain name based on a domain ID
|
|---|
| 642 | # Takes a database handle and the domain ID
|
|---|
| 643 | # Returns the domain name or undef on failure
|
|---|
| 644 | sub domainName {
|
|---|
| 645 | $errstr = '';
|
|---|
| 646 | my $dbh = shift;
|
|---|
| 647 | my $domid = shift;
|
|---|
| 648 | my ($domname) = $dbh->selectrow_array("SELECT domain FROM domains WHERE domain_id=?", undef, ($domid) );
|
|---|
| 649 | $errstr = $DBI::errstr if !$domname;
|
|---|
| 650 | return $domname if $domname;
|
|---|
| 651 | } # end domainName()
|
|---|
| 652 |
|
|---|
| 653 |
|
|---|
| 654 | ## DNSDB::domainID()
|
|---|
| 655 | # Takes a database handle and domain name
|
|---|
| 656 | # Returns the domain ID number
|
|---|
| 657 | sub domainID {
|
|---|
| 658 | $errstr = '';
|
|---|
| 659 | my $dbh = shift;
|
|---|
| 660 | my $domain = shift;
|
|---|
| 661 | my ($domid) = $dbh->selectrow_array("SELECT domain_id FROM domains WHERE domain=?", undef, ($domain) );
|
|---|
| 662 | $errstr = $DBI::errstr if !$domid;
|
|---|
| 663 | return $domid if $domid;
|
|---|
| 664 | } # end domainID()
|
|---|
| 665 |
|
|---|
| 666 |
|
|---|
| 667 | ## DNSDB::addGroup()
|
|---|
| 668 | # Add a group
|
|---|
| 669 | # Takes a database handle, group name, parent group, hashref for permissions,
|
|---|
| 670 | # and optional template-vs-cloneme flag
|
|---|
| 671 | # Returns a status code and message
|
|---|
| 672 | sub addGroup {
|
|---|
| 673 | $errstr = '';
|
|---|
| 674 | my $dbh = shift;
|
|---|
| 675 | my $groupname = shift;
|
|---|
| 676 | my $pargroup = shift;
|
|---|
| 677 | my $permissions = shift;
|
|---|
| 678 |
|
|---|
| 679 | # 0 indicates "custom", hardcoded.
|
|---|
| 680 | # Any other value clones that group's default records, if it exists.
|
|---|
| 681 | my $inherit = shift || 0;
|
|---|
| 682 | ##fixme: need a flag to indicate clone records or <?> ?
|
|---|
| 683 |
|
|---|
| 684 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 685 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 686 | local $dbh->{AutoCommit} = 0;
|
|---|
| 687 | local $dbh->{RaiseError} = 1;
|
|---|
| 688 |
|
|---|
| 689 | my $sth = $dbh->prepare("SELECT group_id FROM groups WHERE group_name=?");
|
|---|
| 690 | my $group_id;
|
|---|
| 691 |
|
|---|
| 692 | # quick check to start to see if we've already got one
|
|---|
| 693 | $sth->execute($groupname);
|
|---|
| 694 | ($group_id) = $sth->fetchrow_array;
|
|---|
| 695 |
|
|---|
| 696 | return ('FAIL', "Group already exists") if $group_id;
|
|---|
| 697 |
|
|---|
| 698 | # Wrap all the SQL in a transaction
|
|---|
| 699 | eval {
|
|---|
| 700 | $sth = $dbh->prepare("INSERT INTO groups (parent_group_id,group_name) VALUES (?,?)");
|
|---|
| 701 | $sth->execute($pargroup,$groupname);
|
|---|
| 702 |
|
|---|
| 703 | $sth = $dbh->prepare("SELECT group_id FROM groups WHERE group_name=?");
|
|---|
| 704 | $sth->execute($groupname);
|
|---|
| 705 | my ($groupid) = $sth->fetchrow_array();
|
|---|
| 706 |
|
|---|
| 707 | # Permissions
|
|---|
| 708 | if ($inherit) {
|
|---|
| 709 | } else {
|
|---|
| 710 | my @permvals;
|
|---|
| 711 | foreach (@permtypes) {
|
|---|
| 712 | if (!defined ($permissions->{$_})) {
|
|---|
| 713 | push @permvals, 0;
|
|---|
| 714 | } else {
|
|---|
| 715 | push @permvals, $permissions->{$_};
|
|---|
| 716 | }
|
|---|
| 717 | }
|
|---|
| 718 |
|
|---|
| 719 | $sth = $dbh->prepare("INSERT INTO permissions (group_id,$permlist) values (?".',?'x($#permtypes+1).")");
|
|---|
| 720 | $sth->execute($groupid,@permvals);
|
|---|
| 721 |
|
|---|
| 722 | $sth = $dbh->prepare("SELECT permission_id FROM permissions WHERE group_id=?");
|
|---|
| 723 | $sth->execute($groupid);
|
|---|
| 724 | my ($permid) = $sth->fetchrow_array();
|
|---|
| 725 |
|
|---|
| 726 | $dbh->do("UPDATE groups SET permission_id=$permid WHERE group_id=$groupid");
|
|---|
| 727 | } # done permission fiddling
|
|---|
| 728 |
|
|---|
| 729 | # Default records
|
|---|
| 730 | $sth = $dbh->prepare("INSERT INTO default_records (group_id,host,type,val,distance,weight,port,ttl) ".
|
|---|
| 731 | "VALUES ($groupid,?,?,?,?,?,?,?)");
|
|---|
| 732 | if ($inherit) {
|
|---|
| 733 | # Duplicate records from parent. Actually relying on inherited records feels
|
|---|
| 734 | # very fragile, and it would be problematic to roll over at a later time.
|
|---|
| 735 | my $sth2 = $dbh->prepare("SELECT host,type,val,distance,weight,port,ttl FROM default_records WHERE group_id=?");
|
|---|
| 736 | $sth2->execute($pargroup);
|
|---|
| 737 | while (my @clonedata = $sth2->fetchrow_array) {
|
|---|
| 738 | $sth->execute(@clonedata);
|
|---|
| 739 | }
|
|---|
| 740 | } else {
|
|---|
| 741 | ##fixme: Hardcoding is Bad, mmmmkaaaay?
|
|---|
| 742 | # reasonable basic defaults for SOA, MX, NS, and minimal hosting
|
|---|
| 743 | # could load from a config file, but somewhere along the line we need hardcoded bits.
|
|---|
| 744 | $sth->execute('ns1.example.com:hostmaster.example.com', 6, '10800:3600:604800:10800', 0, 0, 0, 86400);
|
|---|
| 745 | $sth->execute('DOMAIN', 1, '192.168.4.2', 0, 0, 0, 7200);
|
|---|
| 746 | $sth->execute('DOMAIN', 15, 'mx.example.com', 10, 0, 0, 7200);
|
|---|
| 747 | $sth->execute('DOMAIN', 2, 'ns1.example.com', 0, 0, 0, 7200);
|
|---|
| 748 | $sth->execute('DOMAIN', 2, 'ns2.example.com', 0, 0, 0, 7200);
|
|---|
| 749 | $sth->execute('www.DOMAIN', 5, 'DOMAIN', 0, 0, 0, 7200);
|
|---|
| 750 | }
|
|---|
| 751 |
|
|---|
| 752 | # once we get here, we should have suceeded.
|
|---|
| 753 | $dbh->commit;
|
|---|
| 754 | }; # end eval
|
|---|
| 755 |
|
|---|
| 756 | if ($@) {
|
|---|
| 757 | my $msg = $@;
|
|---|
| 758 | eval { $dbh->rollback; };
|
|---|
| 759 | return ('FAIL',$msg);
|
|---|
| 760 | } else {
|
|---|
| 761 | return ('OK','OK');
|
|---|
| 762 | }
|
|---|
| 763 |
|
|---|
| 764 | } # end addGroup()
|
|---|
| 765 |
|
|---|
| 766 |
|
|---|
| 767 | ## DNSDB::delGroup()
|
|---|
| 768 | # Delete a group.
|
|---|
| 769 | # Takes a group ID
|
|---|
| 770 | # Returns a status code and message
|
|---|
| 771 | sub delGroup {
|
|---|
| 772 | my $dbh = shift;
|
|---|
| 773 | my $groupid = shift;
|
|---|
| 774 |
|
|---|
| 775 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 776 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 777 | local $dbh->{AutoCommit} = 0;
|
|---|
| 778 | local $dbh->{RaiseError} = 1;
|
|---|
| 779 |
|
|---|
| 780 | ##fixme: locate "knowable" error conditions and deal with them before the eval
|
|---|
| 781 | # ... or inside, whatever.
|
|---|
| 782 | # -> domains still exist in group
|
|---|
| 783 | # -> ...
|
|---|
| 784 | my $failmsg = '';
|
|---|
| 785 |
|
|---|
| 786 | # Wrap all the SQL in a transaction
|
|---|
| 787 | eval {
|
|---|
| 788 | my $sth = $dbh->prepare("SELECT count(*) FROM domains WHERE group_id=?");
|
|---|
| 789 | $sth->execute($groupid);
|
|---|
| 790 | my ($domcnt) = $sth->fetchrow_array;
|
|---|
| 791 | $failmsg = "Can't remove group ".groupName($dbh,$groupid);
|
|---|
| 792 | die "$domcnt domains still in group\n" if $domcnt;
|
|---|
| 793 |
|
|---|
| 794 | $sth = $dbh->prepare("delete from default_records where group_id=?");
|
|---|
| 795 | $failmsg = "Failed to delete default records for ".groupName($dbh,$groupid);
|
|---|
| 796 | $sth->execute($groupid);
|
|---|
| 797 | $sth = $dbh->prepare("delete from groups where group_id=?");
|
|---|
| 798 | $failmsg = "Failed to remove group ".groupName($dbh,$groupid);
|
|---|
| 799 | $sth->execute($groupid);
|
|---|
| 800 |
|
|---|
| 801 | # once we get here, we should have suceeded.
|
|---|
| 802 | $dbh->commit;
|
|---|
| 803 | }; # end eval
|
|---|
| 804 |
|
|---|
| 805 | if ($@) {
|
|---|
| 806 | my $msg = $@;
|
|---|
| 807 | eval { $dbh->rollback; };
|
|---|
| 808 | return ('FAIL',"$failmsg: $msg");
|
|---|
| 809 | } else {
|
|---|
| 810 | return ('OK','OK');
|
|---|
| 811 | }
|
|---|
| 812 | } # end delGroup()
|
|---|
| 813 |
|
|---|
| 814 |
|
|---|
| 815 | ## DNSDB::getChildren()
|
|---|
| 816 | # Get a list of all groups whose parent^n is group <n>
|
|---|
| 817 | # Takes a database handle, group ID, reference to an array to put the group IDs in,
|
|---|
| 818 | # and an optional flag to return only immediate children or all children-of-children
|
|---|
| 819 | # default to returning all children
|
|---|
| 820 | # Calls itself
|
|---|
| 821 | sub getChildren {
|
|---|
| 822 | $errstr = '';
|
|---|
| 823 | my $dbh = shift;
|
|---|
| 824 | my $rootgroup = shift;
|
|---|
| 825 | my $groupdest = shift;
|
|---|
| 826 | my $immed = shift || 'all';
|
|---|
| 827 |
|
|---|
| 828 | # special break for default group; otherwise we get stuck.
|
|---|
| 829 | if ($rootgroup == 1) {
|
|---|
| 830 | # by definition, group 1 is the Root Of All Groups
|
|---|
| 831 | my $sth = $dbh->prepare("SELECT group_id FROM groups WHERE NOT (group_id=1)".
|
|---|
| 832 | ($immed ne 'all' ? " AND parent_group_id=1" : ''));
|
|---|
| 833 | $sth->execute;
|
|---|
| 834 | while (my @this = $sth->fetchrow_array) {
|
|---|
| 835 | push @$groupdest, @this;
|
|---|
| 836 | }
|
|---|
| 837 | } else {
|
|---|
| 838 | my $sth = $dbh->prepare("SELECT group_id FROM groups WHERE parent_group_id=?");
|
|---|
| 839 | $sth->execute($rootgroup);
|
|---|
| 840 | return if $sth->rows == 0;
|
|---|
| 841 | my @grouplist;
|
|---|
| 842 | while (my ($group) = $sth->fetchrow_array) {
|
|---|
| 843 | push @$groupdest, $group;
|
|---|
| 844 | getChildren($dbh,$group,$groupdest) if $immed eq 'all';
|
|---|
| 845 | }
|
|---|
| 846 | }
|
|---|
| 847 | } # end getChildren()
|
|---|
| 848 |
|
|---|
| 849 |
|
|---|
| 850 | ## DNSDB::groupName()
|
|---|
| 851 | # Return the group name based on a group ID
|
|---|
| 852 | # Takes a database handle and the group ID
|
|---|
| 853 | # Returns the group name or undef on failure
|
|---|
| 854 | sub groupName {
|
|---|
| 855 | $errstr = '';
|
|---|
| 856 | my $dbh = shift;
|
|---|
| 857 | my $groupid = shift;
|
|---|
| 858 | my $sth = $dbh->prepare("SELECT group_name FROM groups WHERE group_id=?");
|
|---|
| 859 | $sth->execute($groupid);
|
|---|
| 860 | my ($groupname) = $sth->fetchrow_array();
|
|---|
| 861 | $errstr = $DBI::errstr if !$groupname;
|
|---|
| 862 | return $groupname if $groupname;
|
|---|
| 863 | } # end groupName
|
|---|
| 864 |
|
|---|
| 865 |
|
|---|
| 866 | ## DNSDB::groupID()
|
|---|
| 867 | # Return the group ID based on the group name
|
|---|
| 868 | # Takes a database handle and the group name
|
|---|
| 869 | # Returns the group ID or undef on failure
|
|---|
| 870 | sub groupID {
|
|---|
| 871 | $errstr = '';
|
|---|
| 872 | my $dbh = shift;
|
|---|
| 873 | my $group = shift;
|
|---|
| 874 | my ($grpid) = $dbh->selectrow_array("SELECT group_id FROM groups WHERE group=?", undef, ($group) );
|
|---|
| 875 | $errstr = $DBI::errstr if !$grpid;
|
|---|
| 876 | return $grpid if $grpid;
|
|---|
| 877 | } # end groupID()
|
|---|
| 878 |
|
|---|
| 879 |
|
|---|
| 880 | ## DNSDB::addUser()
|
|---|
| 881 | # Add a user.
|
|---|
| 882 | # Takes a DB handle, username, group ID, password, state (active/inactive).
|
|---|
| 883 | # Optionally accepts:
|
|---|
| 884 | # user type (user/admin) - defaults to user
|
|---|
| 885 | # permissions string - defaults to inherit from group
|
|---|
| 886 | # three valid forms:
|
|---|
| 887 | # i - Inherit permissions
|
|---|
| 888 | # c:<user_id> - Clone permissions from <user_id>
|
|---|
| 889 | # C:<permission list> - Set these specific permissions
|
|---|
| 890 | # first name - defaults to username
|
|---|
| 891 | # last name - defaults to blank
|
|---|
| 892 | # phone - defaults to blank (could put other data within column def)
|
|---|
| 893 | # Returns (OK,<uid>) on success, (FAIL,<message>) on failure
|
|---|
| 894 | sub addUser {
|
|---|
| 895 | $errstr = '';
|
|---|
| 896 | my $dbh = shift;
|
|---|
| 897 | my $username = shift;
|
|---|
| 898 | my $group = shift;
|
|---|
| 899 | my $pass = shift;
|
|---|
| 900 | my $state = shift;
|
|---|
| 901 |
|
|---|
| 902 | return ('FAIL', "Missing one or more required entries") if !defined($state);
|
|---|
| 903 | return ('FAIL', "Username must not be blank") if !$username;
|
|---|
| 904 |
|
|---|
| 905 | my $type = shift || 'u'; # create limited users by default - fwiw, not sure yet how this will interact with ACLs
|
|---|
| 906 |
|
|---|
| 907 | my $permstring = shift || 'i'; # default is to inhert permissions from group
|
|---|
| 908 |
|
|---|
| 909 | my $fname = shift || $username;
|
|---|
| 910 | my $lname = shift || '';
|
|---|
| 911 | my $phone = shift || ''; # not going format-check
|
|---|
| 912 |
|
|---|
| 913 | my $sth = $dbh->prepare("SELECT user_id FROM users WHERE username=?");
|
|---|
| 914 | my $user_id;
|
|---|
| 915 |
|
|---|
| 916 | # quick check to start to see if we've already got one
|
|---|
| 917 | $sth->execute($username);
|
|---|
| 918 | ($user_id) = $sth->fetchrow_array;
|
|---|
| 919 |
|
|---|
| 920 | return ('FAIL', "User already exists") if $user_id;
|
|---|
| 921 |
|
|---|
| 922 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 923 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 924 | local $dbh->{AutoCommit} = 0;
|
|---|
| 925 | local $dbh->{RaiseError} = 1;
|
|---|
| 926 |
|
|---|
| 927 | my $failmsg = '';
|
|---|
| 928 |
|
|---|
| 929 | # Wrap all the SQL in a transaction
|
|---|
| 930 | eval {
|
|---|
| 931 | # insert the user... note we set inherited perms by default since
|
|---|
| 932 | # it's simple and cleans up some other bits of state
|
|---|
| 933 | my $sth = $dbh->prepare("INSERT INTO users ".
|
|---|
| 934 | "(group_id,username,password,firstname,lastname,phone,type,status,permission_id,inherit_perm) ".
|
|---|
| 935 | "VALUES (?,?,?,?,?,?,?,?,(SELECT permission_id FROM permissions WHERE group_id=?),'t')");
|
|---|
| 936 | $sth->execute($group,$username,unix_md5_crypt($pass),$fname,$lname,$phone,$type,$state,$group);
|
|---|
| 937 |
|
|---|
| 938 | # get the ID...
|
|---|
| 939 | ($user_id) = $dbh->selectrow_array("SELECT currval('users_user_id_seq')");
|
|---|
| 940 |
|
|---|
| 941 | # Permissions! Gotta set'em all!
|
|---|
| 942 | die "Invalid permission string $permstring"
|
|---|
| 943 | if $permstring !~ /^(?:
|
|---|
| 944 | i # inherit
|
|---|
| 945 | |c:\d+ # clone
|
|---|
| 946 | # custom. no, the leading , is not a typo
|
|---|
| 947 | |C:(?:,(?:group|user|domain|record|self)_(?:edit|create|delete))*
|
|---|
| 948 | )$/x;
|
|---|
| 949 | # bleh. I'd call another function to do my dirty work, but we're in the middle of a transaction already.
|
|---|
| 950 | if ($permstring ne 'i') {
|
|---|
| 951 | # for cloned or custom permissions, we have to create a new permissions entry.
|
|---|
| 952 | my $clonesrc = $group;
|
|---|
| 953 | if ($permstring =~ /^c:(\d+)/) { $clonesrc = $1; }
|
|---|
| 954 | $dbh->do("INSERT INTO permissions ($permlist,user_id) ".
|
|---|
| 955 | "SELECT $permlist,? FROM permissions WHERE permission_id=".
|
|---|
| 956 | "(SELECT permission_id FROM permissions WHERE ".($permstring =~ /^c:/ ? 'user' : 'group')."_id=?)",
|
|---|
| 957 | undef, ($user_id,$clonesrc) );
|
|---|
| 958 | $dbh->do("UPDATE users SET permission_id=".
|
|---|
| 959 | "(SELECT permission_id FROM permissions WHERE user_id=?) ".
|
|---|
| 960 | "WHERE user_id=?", undef, ($user_id, $user_id) );
|
|---|
| 961 | }
|
|---|
| 962 | if ($permstring =~ /^C:/) {
|
|---|
| 963 | # finally for custom permissions, we set the passed-in permissions (and unset
|
|---|
| 964 | # any that might have been brought in by the clone operation above)
|
|---|
| 965 | my ($permid) = $dbh->selectrow_array("SELECT permission_id FROM permissions WHERE user_id=?",
|
|---|
| 966 | undef, ($user_id) );
|
|---|
| 967 | foreach (@permtypes) {
|
|---|
| 968 | if ($permstring =~ /,$_/) {
|
|---|
| 969 | $dbh->do("UPDATE permissions SET $_='t' WHERE permission_id=?", undef, ($permid) );
|
|---|
| 970 | } else {
|
|---|
| 971 | $dbh->do("UPDATE permissions SET $_='f' WHERE permission_id=?", undef, ($permid) );
|
|---|
| 972 | }
|
|---|
| 973 | }
|
|---|
| 974 | }
|
|---|
| 975 |
|
|---|
| 976 | $dbh->do("UPDATE users SET inherit_perm='n' WHERE user_id=?", undef, ($user_id) );
|
|---|
| 977 |
|
|---|
| 978 | ##fixme: add another table to hold name/email for log table?
|
|---|
| 979 |
|
|---|
| 980 | # once we get here, we should have suceeded.
|
|---|
| 981 | $dbh->commit;
|
|---|
| 982 | }; # end eval
|
|---|
| 983 |
|
|---|
| 984 | if ($@) {
|
|---|
| 985 | my $msg = $@;
|
|---|
| 986 | eval { $dbh->rollback; };
|
|---|
| 987 | return ('FAIL',$msg." $failmsg");
|
|---|
| 988 | } else {
|
|---|
| 989 | return ('OK',$user_id);
|
|---|
| 990 | }
|
|---|
| 991 | } # end addUser
|
|---|
| 992 |
|
|---|
| 993 |
|
|---|
| 994 | ## DNSDB::checkUser()
|
|---|
| 995 | # Check user/pass combo on login
|
|---|
| 996 | sub checkUser {
|
|---|
| 997 | my $dbh = shift;
|
|---|
| 998 | my $user = shift;
|
|---|
| 999 | my $inpass = shift;
|
|---|
| 1000 |
|
|---|
| 1001 | my $sth = $dbh->prepare("SELECT user_id,group_id,password,firstname,lastname FROM users WHERE username=?");
|
|---|
| 1002 | $sth->execute($user);
|
|---|
| 1003 | my ($uid,$gid,$pass,$fname,$lname) = $sth->fetchrow_array;
|
|---|
| 1004 | my $loginfailed = 1 if !defined($uid);
|
|---|
| 1005 |
|
|---|
| 1006 | if ($pass =~ m|^\$1\$([A-Za-z0-9/.]+)\$|) {
|
|---|
| 1007 | $loginfailed = 1 if $pass ne unix_md5_crypt($inpass,$1);
|
|---|
| 1008 | } else {
|
|---|
| 1009 | $loginfailed = 1 if $pass ne $inpass;
|
|---|
| 1010 | }
|
|---|
| 1011 |
|
|---|
| 1012 | # nnnngggg
|
|---|
| 1013 | return ($uid, $gid);
|
|---|
| 1014 | } # end checkUser
|
|---|
| 1015 |
|
|---|
| 1016 |
|
|---|
| 1017 | ## DNSDB:: updateUser()
|
|---|
| 1018 | # Update general data about user
|
|---|
| 1019 | sub updateUser {
|
|---|
| 1020 | my $dbh = shift;
|
|---|
| 1021 |
|
|---|
| 1022 | ##fixme: tweak calling convention so that we can update any given bit of data
|
|---|
| 1023 | my $uid = shift;
|
|---|
| 1024 | my $username = shift;
|
|---|
| 1025 | my $group = shift;
|
|---|
| 1026 | my $pass = shift;
|
|---|
| 1027 | my $state = shift;
|
|---|
| 1028 | my $type = shift || 'u';
|
|---|
| 1029 | my $fname = shift || $username;
|
|---|
| 1030 | my $lname = shift || '';
|
|---|
| 1031 | my $phone = shift || ''; # not going format-check
|
|---|
| 1032 |
|
|---|
| 1033 | my $failmsg = '';
|
|---|
| 1034 |
|
|---|
| 1035 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 1036 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 1037 | local $dbh->{AutoCommit} = 0;
|
|---|
| 1038 | local $dbh->{RaiseError} = 1;
|
|---|
| 1039 |
|
|---|
| 1040 | my $sth;
|
|---|
| 1041 |
|
|---|
| 1042 | # Password can be left blank; if so we assume there's one on file.
|
|---|
| 1043 | # Actual blank passwords are bad, mm'kay?
|
|---|
| 1044 | if (!$pass) {
|
|---|
| 1045 | $sth = $dbh->prepare("SELECT password FROM users WHERE user_id=?");
|
|---|
| 1046 | $sth->execute($uid);
|
|---|
| 1047 | ($pass) = $sth->fetchrow_array;
|
|---|
| 1048 | } else {
|
|---|
| 1049 | $pass = unix_md5_crypt($pass);
|
|---|
| 1050 | }
|
|---|
| 1051 |
|
|---|
| 1052 | eval {
|
|---|
| 1053 | my $sth = $dbh->prepare(q(
|
|---|
| 1054 | UPDATE users
|
|---|
| 1055 | SET username=?, password=?, firstname=?, lastname=?, phone=?, type=?, status=?
|
|---|
| 1056 | WHERE user_id=?
|
|---|
| 1057 | )
|
|---|
| 1058 | );
|
|---|
| 1059 | $sth->execute($username, $pass, $fname, $lname, $phone, $type, $state, $uid);
|
|---|
| 1060 | $dbh->commit;
|
|---|
| 1061 | };
|
|---|
| 1062 | if ($@) {
|
|---|
| 1063 | my $msg = $@;
|
|---|
| 1064 | eval { $dbh->rollback; };
|
|---|
| 1065 | return ('FAIL',"$failmsg: $msg");
|
|---|
| 1066 | } else {
|
|---|
| 1067 | return ('OK','OK');
|
|---|
| 1068 | }
|
|---|
| 1069 | } # end updateUser()
|
|---|
| 1070 |
|
|---|
| 1071 |
|
|---|
| 1072 | ## DNSDB::delUser()
|
|---|
| 1073 | #
|
|---|
| 1074 | sub delUser {
|
|---|
| 1075 | my $dbh = shift;
|
|---|
| 1076 | return ('FAIL',"Need database handle") if !$dbh;
|
|---|
| 1077 | my $userid = shift;
|
|---|
| 1078 | return ('FAIL',"Missing userid") if !defined($userid);
|
|---|
| 1079 |
|
|---|
| 1080 | my $sth = $dbh->prepare("delete from users where user_id=?");
|
|---|
| 1081 | $sth->execute($userid);
|
|---|
| 1082 |
|
|---|
| 1083 | return ('FAIL',"Couldn't remove user: ".$sth->errstr) if $sth->err;
|
|---|
| 1084 |
|
|---|
| 1085 | return ('OK','OK');
|
|---|
| 1086 |
|
|---|
| 1087 | } # end delUser
|
|---|
| 1088 |
|
|---|
| 1089 |
|
|---|
| 1090 | ## DNSDB::userFullName()
|
|---|
| 1091 | # Return a pretty string!
|
|---|
| 1092 | # Takes a user_id and optional printf-ish string to indicate which pieces where:
|
|---|
| 1093 | # %u for the username
|
|---|
| 1094 | # %f for the first name
|
|---|
| 1095 | # %l for the last name
|
|---|
| 1096 | # All other text in the passed string will be left as-is.
|
|---|
| 1097 | ##fixme: need a "smart" option too, so that missing/null/blank first/last names don't give funky output
|
|---|
| 1098 | sub userFullName {
|
|---|
| 1099 | $errstr = '';
|
|---|
| 1100 | my $dbh = shift;
|
|---|
| 1101 | my $userid = shift;
|
|---|
| 1102 | my $fullformat = shift || '%f %l (%u)';
|
|---|
| 1103 | my $sth = $dbh->prepare("select username,firstname,lastname from users where user_id=?");
|
|---|
| 1104 | $sth->execute($userid);
|
|---|
| 1105 | my ($uname,$fname,$lname) = $sth->fetchrow_array();
|
|---|
| 1106 | $errstr = $DBI::errstr if !$uname;
|
|---|
| 1107 |
|
|---|
| 1108 | $fullformat =~ s/\%u/$uname/g;
|
|---|
| 1109 | $fullformat =~ s/\%f/$fname/g;
|
|---|
| 1110 | $fullformat =~ s/\%l/$lname/g;
|
|---|
| 1111 |
|
|---|
| 1112 | return $fullformat;
|
|---|
| 1113 | } # end userFullName
|
|---|
| 1114 |
|
|---|
| 1115 |
|
|---|
| 1116 | ## DNSDB::userStatus()
|
|---|
| 1117 | # Sets and/or returns a user's status
|
|---|
| 1118 | # Takes a database handle, user ID and optionally a status argument
|
|---|
| 1119 | # Returns undef on errors.
|
|---|
| 1120 | sub userStatus {
|
|---|
| 1121 | my $dbh = shift;
|
|---|
| 1122 | my $id = shift;
|
|---|
| 1123 | my $newstatus = shift;
|
|---|
| 1124 |
|
|---|
| 1125 | return undef if $id !~ /^\d+$/;
|
|---|
| 1126 |
|
|---|
| 1127 | my $sth;
|
|---|
| 1128 |
|
|---|
| 1129 | # ooo, fun! let's see what we were passed for status
|
|---|
| 1130 | if ($newstatus) {
|
|---|
| 1131 | $sth = $dbh->prepare("update users set status=? where user_id=?");
|
|---|
| 1132 | # ass-u-me caller knows what's going on in full
|
|---|
| 1133 | if ($newstatus =~ /^[01]$/) { # only two valid for now.
|
|---|
| 1134 | $sth->execute($newstatus,$id);
|
|---|
| 1135 | } elsif ($newstatus =~ /^usero(?:n|ff)$/) {
|
|---|
| 1136 | $sth->execute(($newstatus eq 'useron' ? 1 : 0),$id);
|
|---|
| 1137 | }
|
|---|
| 1138 | }
|
|---|
| 1139 |
|
|---|
| 1140 | $sth = $dbh->prepare("select status from users where user_id=?");
|
|---|
| 1141 | $sth->execute($id);
|
|---|
| 1142 | my ($status) = $sth->fetchrow_array;
|
|---|
| 1143 | return $status;
|
|---|
| 1144 | } # end userStatus()
|
|---|
| 1145 |
|
|---|
| 1146 |
|
|---|
| 1147 | ## DNSDB::getUserData()
|
|---|
| 1148 | # Get misc user data for display
|
|---|
| 1149 | sub getUserData {
|
|---|
| 1150 | my $dbh = shift;
|
|---|
| 1151 | my $uid = shift;
|
|---|
| 1152 |
|
|---|
| 1153 | my $sth = $dbh->prepare("SELECT group_id,username,firstname,lastname,phone,type,status,inherit_perm ".
|
|---|
| 1154 | "FROM users WHERE user_id=?");
|
|---|
| 1155 | $sth->execute($uid);
|
|---|
| 1156 | return $sth->fetchrow_hashref();
|
|---|
| 1157 |
|
|---|
| 1158 | } # end getUserData()
|
|---|
| 1159 |
|
|---|
| 1160 |
|
|---|
| 1161 | ## DNSDB::getSOA()
|
|---|
| 1162 | # Return all suitable fields from an SOA record in separate elements of a hash
|
|---|
| 1163 | # Takes a database handle, default/live flag, and group (default) or domain (live) ID
|
|---|
| 1164 | sub getSOA {
|
|---|
| 1165 | $errstr = '';
|
|---|
| 1166 | my $dbh = shift;
|
|---|
| 1167 | my $def = shift;
|
|---|
| 1168 | my $id = shift;
|
|---|
| 1169 | my %ret;
|
|---|
| 1170 |
|
|---|
| 1171 | # (ab)use distance and weight columns to store SOA data
|
|---|
| 1172 |
|
|---|
| 1173 | my $sql = "SELECT record_id,host,val,ttl,distance from";
|
|---|
| 1174 | if ($def eq 'def' or $def eq 'y') {
|
|---|
| 1175 | $sql .= " default_records WHERE group_id=? AND type=$reverse_typemap{SOA}";
|
|---|
| 1176 | } else {
|
|---|
| 1177 | # we're editing a live SOA record; find based on domain
|
|---|
| 1178 | $sql .= " records WHERE domain_id=? AND type=$reverse_typemap{SOA}";
|
|---|
| 1179 | }
|
|---|
| 1180 | my $sth = $dbh->prepare($sql);
|
|---|
| 1181 | $sth->execute($id);
|
|---|
| 1182 |
|
|---|
| 1183 | my ($recid,$host,$val,$ttl,$serial) = $sth->fetchrow_array() or return;
|
|---|
| 1184 | my ($prins,$contact) = split /:/, $host;
|
|---|
| 1185 | my ($refresh,$retry,$expire,$minttl) = split /:/, $val;
|
|---|
| 1186 |
|
|---|
| 1187 | $ret{recid} = $recid;
|
|---|
| 1188 | $ret{ttl} = $ttl;
|
|---|
| 1189 | $ret{serial} = $serial;
|
|---|
| 1190 | $ret{prins} = $prins;
|
|---|
| 1191 | $ret{contact} = $contact;
|
|---|
| 1192 | $ret{refresh} = $refresh;
|
|---|
| 1193 | $ret{retry} = $retry;
|
|---|
| 1194 | $ret{expire} = $expire;
|
|---|
| 1195 | $ret{minttl} = $minttl;
|
|---|
| 1196 |
|
|---|
| 1197 | return %ret;
|
|---|
| 1198 | } # end getSOA()
|
|---|
| 1199 |
|
|---|
| 1200 |
|
|---|
| 1201 | ## DNSDB::getRecLine()
|
|---|
| 1202 | # Return all data fields for a zone record in separate elements of a hash
|
|---|
| 1203 | # Takes a database handle, default/live flag, and record ID
|
|---|
| 1204 | sub getRecLine {
|
|---|
| 1205 | $errstr = '';
|
|---|
| 1206 | my $dbh = shift;
|
|---|
| 1207 | my $def = shift;
|
|---|
| 1208 | my $id = shift;
|
|---|
| 1209 |
|
|---|
| 1210 | my $sql = "SELECT record_id,host,type,val,distance,weight,port,ttl".
|
|---|
| 1211 | (($def eq 'def' or $def eq 'y') ? ',group_id FROM default_' : ',domain_id FROM ').
|
|---|
| 1212 | "records WHERE record_id=?";
|
|---|
| 1213 | my $ret = $dbh->selectrow_hashref($sql, undef, ($id) );
|
|---|
| 1214 |
|
|---|
| 1215 | if ($dbh->err) {
|
|---|
| 1216 | $errstr = $DBI::errstr;
|
|---|
| 1217 | return undef;
|
|---|
| 1218 | }
|
|---|
| 1219 |
|
|---|
| 1220 | if (!$ret) {
|
|---|
| 1221 | $errstr = "No such record";
|
|---|
| 1222 | return undef;
|
|---|
| 1223 | }
|
|---|
| 1224 |
|
|---|
| 1225 | $ret->{parid} = (($def eq 'def' or $def eq 'y') ? $ret->{group_id} : $ret->{domain_id});
|
|---|
| 1226 |
|
|---|
| 1227 | return $ret;
|
|---|
| 1228 | }
|
|---|
| 1229 |
|
|---|
| 1230 |
|
|---|
| 1231 | ##fixme: should use above (getRecLine()) to get lines for below?
|
|---|
| 1232 | ## DNSDB::getDomRecs()
|
|---|
| 1233 | # Return records for a domain
|
|---|
| 1234 | # Takes a database handle, default/live flag, group/domain ID, start,
|
|---|
| 1235 | # number of records, sort field, and sort order
|
|---|
| 1236 | # Returns a reference to an array of hashes
|
|---|
| 1237 | sub getDomRecs {
|
|---|
| 1238 | $errstr = '';
|
|---|
| 1239 | my $dbh = shift;
|
|---|
| 1240 | my $type = shift;
|
|---|
| 1241 | my $id = shift;
|
|---|
| 1242 | my $nrecs = shift || 'all';
|
|---|
| 1243 | my $nstart = shift || 0;
|
|---|
| 1244 |
|
|---|
| 1245 | ## for order, need to map input to column names
|
|---|
| 1246 | my $order = shift || 'host';
|
|---|
| 1247 | my $direction = shift || 'ASC';
|
|---|
| 1248 |
|
|---|
| 1249 | my $filter = shift || '';
|
|---|
| 1250 |
|
|---|
| 1251 | $type = 'y' if $type eq 'def';
|
|---|
| 1252 |
|
|---|
| 1253 | my $sql = "SELECT r.record_id,r.host,r.type,r.val,r.distance,r.weight,r.port,r.ttl FROM ";
|
|---|
| 1254 | $sql .= "default_" if $type eq 'y';
|
|---|
| 1255 | $sql .= "records r ";
|
|---|
| 1256 | $sql .= "INNER JOIN rectypes t ON r.type=t.val "; # for sorting by type alphabetically
|
|---|
| 1257 | if ($type eq 'y') {
|
|---|
| 1258 | $sql .= "WHERE r.group_id=?";
|
|---|
| 1259 | } else {
|
|---|
| 1260 | $sql .= "WHERE r.domain_id=?";
|
|---|
| 1261 | }
|
|---|
| 1262 | $sql .= " AND NOT r.type=$reverse_typemap{SOA}";
|
|---|
| 1263 | $sql .= " AND host ~* ?" if $filter;
|
|---|
| 1264 | # use alphaorder column for "correct" ordering of sort-by-type instead of DNS RR type number
|
|---|
| 1265 | $sql .= " ORDER BY ".($order eq 'type' ? 't.alphaorder' : "r.$order")." $direction";
|
|---|
| 1266 | $sql .= " LIMIT $nrecs OFFSET ".($nstart*$nrecs) if $nstart ne 'all';
|
|---|
| 1267 |
|
|---|
| 1268 | my $sth = $dbh->prepare($sql) or warn $dbh->errstr;
|
|---|
| 1269 | $sth->execute($id) or warn "$sql: ".$sth->errstr;
|
|---|
| 1270 |
|
|---|
| 1271 | my @retbase;
|
|---|
| 1272 | while (my $ref = $sth->fetchrow_hashref()) {
|
|---|
| 1273 | push @retbase, $ref;
|
|---|
| 1274 | }
|
|---|
| 1275 |
|
|---|
| 1276 | my $ret = \@retbase;
|
|---|
| 1277 | return $ret;
|
|---|
| 1278 | } # end getDomRecs()
|
|---|
| 1279 |
|
|---|
| 1280 |
|
|---|
| 1281 | ## DNSDB::getRecCount()
|
|---|
| 1282 | # Return count of non-SOA records in domain (or default records in a group)
|
|---|
| 1283 | # Takes a database handle, default/live flag, group/domain ID, and optional filtering modifier
|
|---|
| 1284 | # Returns the count
|
|---|
| 1285 | sub getRecCount {
|
|---|
| 1286 | my $dbh = shift;
|
|---|
| 1287 | my $defrec = shift;
|
|---|
| 1288 | my $id = shift;
|
|---|
| 1289 | my $filter = shift || '';
|
|---|
| 1290 |
|
|---|
| 1291 | # keep the nasties down, since we can't ?-sub this bit. :/
|
|---|
| 1292 | # note this is chars allowed in DNS hostnames
|
|---|
| 1293 | $filter =~ s/[^a-zA-Z0-9_.:-]//g;
|
|---|
| 1294 |
|
|---|
| 1295 | my ($count) = $dbh->selectrow_array("SELECT count(*) FROM ".
|
|---|
| 1296 | ($defrec eq 'y' ? 'default_' : '')."records ".
|
|---|
| 1297 | "WHERE ".($defrec eq 'y' ? 'group' : 'domain')."_id=? ".
|
|---|
| 1298 | "AND NOT type=$reverse_typemap{SOA}".
|
|---|
| 1299 | ($filter ? " AND host ILIKE '%$filter%'" : ''),
|
|---|
| 1300 | undef, ($id) );
|
|---|
| 1301 |
|
|---|
| 1302 | return $count;
|
|---|
| 1303 |
|
|---|
| 1304 | } # end getRecCount()
|
|---|
| 1305 |
|
|---|
| 1306 |
|
|---|
| 1307 | ## DNSDB::addRec()
|
|---|
| 1308 | # Add a new record to a domain or a group's default records
|
|---|
| 1309 | # Takes a database handle, default/live flag, group/domain ID,
|
|---|
| 1310 | # host, type, value, and TTL
|
|---|
| 1311 | # Some types require additional detail: "distance" for MX and SRV,
|
|---|
| 1312 | # and weight/port for SRV
|
|---|
| 1313 | # Returns a status code and detail message in case of error
|
|---|
| 1314 | sub addRec {
|
|---|
| 1315 | $errstr = '';
|
|---|
| 1316 | my $dbh = shift;
|
|---|
| 1317 | my $defrec = shift;
|
|---|
| 1318 | my $id = shift;
|
|---|
| 1319 |
|
|---|
| 1320 | my $host = shift;
|
|---|
| 1321 | my $rectype = shift;
|
|---|
| 1322 | my $val = shift;
|
|---|
| 1323 | my $ttl = shift;
|
|---|
| 1324 |
|
|---|
| 1325 | # Validation
|
|---|
| 1326 | if ($rectype == $reverse_typemap{A}) {
|
|---|
| 1327 | return ("FAIL", "IPv4 addresses must be in the format n.n.n.n")
|
|---|
| 1328 | unless $val =~ /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
|
|---|
| 1329 | }
|
|---|
| 1330 | if ($rectype == $reverse_typemap{AAAA}) {
|
|---|
| 1331 | return ("FAIL", "IPv6 addresses must be in the format h:h:h::h")
|
|---|
| 1332 | unless $val =~ /^[a-fA-F0-9:]+$/
|
|---|
| 1333 | }
|
|---|
| 1334 | if ($rectype == $reverse_typemap{A} or $rectype == $reverse_typemap{AAAA}) {
|
|---|
| 1335 | my $tmpip = new NetAddr::IP $val or
|
|---|
| 1336 | return ("FAIL", "Address must be a valid IP address");
|
|---|
| 1337 | }
|
|---|
| 1338 |
|
|---|
| 1339 | my $fields = ($defrec eq 'y' ? 'group_id' : 'domain_id').",host,type,val,ttl";
|
|---|
| 1340 | my $vallen = "?,?,?,?,?";
|
|---|
| 1341 | my @vallist = ($id,$host,$rectype,$val,$ttl);
|
|---|
| 1342 |
|
|---|
| 1343 | my $dist;
|
|---|
| 1344 | if ($rectype == $reverse_typemap{MX} or $rectype == $reverse_typemap{SRV}) {
|
|---|
| 1345 | $dist = shift;
|
|---|
| 1346 | return ('FAIL',"Need distance for $typemap{$rectype} record") if !defined($dist);
|
|---|
| 1347 | $fields .= ",distance";
|
|---|
| 1348 | $vallen .= ",?";
|
|---|
| 1349 | push @vallist, $dist;
|
|---|
| 1350 | }
|
|---|
| 1351 | my $weight;
|
|---|
| 1352 | my $port;
|
|---|
| 1353 | if ($rectype == $reverse_typemap{SRV}) {
|
|---|
| 1354 | # check for _service._protocol. NB: RFC2782 does not say "MUST"... nor "SHOULD"...
|
|---|
| 1355 | # it just says (paraphrased) "... is prepended with _ to prevent DNS collisions"
|
|---|
| 1356 | return ('FAIL',"SRV records must begin with _service._protocol")
|
|---|
| 1357 | if $host !~ /^_[A-Za-z]+\._[A-Za-z]+\.[a-z0-9-]+/;
|
|---|
| 1358 | $weight = shift;
|
|---|
| 1359 | $port = shift;
|
|---|
| 1360 | return ('FAIL',"Need weight and port for SRV record") if !defined($weight) or !defined($port);
|
|---|
| 1361 | $fields .= ",weight,port";
|
|---|
| 1362 | $vallen .= ",?,?";
|
|---|
| 1363 | push @vallist, ($weight,$port);
|
|---|
| 1364 | }
|
|---|
| 1365 |
|
|---|
| 1366 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 1367 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 1368 | local $dbh->{AutoCommit} = 0;
|
|---|
| 1369 | local $dbh->{RaiseError} = 1;
|
|---|
| 1370 |
|
|---|
| 1371 | eval {
|
|---|
| 1372 | $dbh->do("INSERT INTO ".($defrec eq 'y' ? 'default_' : '')."records ($fields) VALUES ($vallen)",
|
|---|
| 1373 | undef, @vallist);
|
|---|
| 1374 | $dbh->commit;
|
|---|
| 1375 | };
|
|---|
| 1376 | if ($@) {
|
|---|
| 1377 | my $msg = $@;
|
|---|
| 1378 | eval { $dbh->rollback; };
|
|---|
| 1379 | return ('FAIL',$msg);
|
|---|
| 1380 | }
|
|---|
| 1381 |
|
|---|
| 1382 | return ('OK','OK');
|
|---|
| 1383 |
|
|---|
| 1384 | } # end addRec()
|
|---|
| 1385 |
|
|---|
| 1386 |
|
|---|
| 1387 | ## DNSDB::updateRec()
|
|---|
| 1388 | # Update a record
|
|---|
| 1389 | sub updateRec {
|
|---|
| 1390 | $errstr = '';
|
|---|
| 1391 |
|
|---|
| 1392 | my $dbh = shift;
|
|---|
| 1393 | my $defrec = shift;
|
|---|
| 1394 | my $id = shift;
|
|---|
| 1395 |
|
|---|
| 1396 | # all records have these
|
|---|
| 1397 | my $host = shift;
|
|---|
| 1398 | my $type = shift;
|
|---|
| 1399 | my $val = shift;
|
|---|
| 1400 | my $ttl = shift;
|
|---|
| 1401 |
|
|---|
| 1402 | return('FAIL',"Missing standard argument(s)") if !defined($ttl);
|
|---|
| 1403 |
|
|---|
| 1404 | # only MX and SRV will use these
|
|---|
| 1405 | my $dist = 0;
|
|---|
| 1406 | my $weight = 0;
|
|---|
| 1407 | my $port = 0;
|
|---|
| 1408 |
|
|---|
| 1409 | if ($type == $reverse_typemap{MX} || $type == $reverse_typemap{SRV}) {
|
|---|
| 1410 | $dist = shift;
|
|---|
| 1411 | return ('FAIL',"MX or SRV requires distance") if !defined($dist);
|
|---|
| 1412 | if ($type == $reverse_typemap{SRV}) {
|
|---|
| 1413 | $weight = shift;
|
|---|
| 1414 | return ('FAIL',"SRV requires weight") if !defined($weight);
|
|---|
| 1415 | $port = shift;
|
|---|
| 1416 | return ('FAIL',"SRV requires port") if !defined($port);
|
|---|
| 1417 | }
|
|---|
| 1418 | }
|
|---|
| 1419 |
|
|---|
| 1420 | local $dbh->{AutoCommit} = 0;
|
|---|
| 1421 | local $dbh->{RaiseError} = 1;
|
|---|
| 1422 |
|
|---|
| 1423 | eval {
|
|---|
| 1424 | $dbh->do("UPDATE ".($defrec eq 'y' ? 'default_' : '')."records ".
|
|---|
| 1425 | "SET host=?,val=?,type=?,ttl=?,distance=?,weight=?,port=? ".
|
|---|
| 1426 | "WHERE record_id=?", undef, ($host, $val, $type, $ttl, $dist, $weight, $port, $id) );
|
|---|
| 1427 | $dbh->commit;
|
|---|
| 1428 | };
|
|---|
| 1429 | if ($@) {
|
|---|
| 1430 | my $msg = $@;
|
|---|
| 1431 | $dbh->rollback;
|
|---|
| 1432 | return ('FAIL', $msg);
|
|---|
| 1433 | }
|
|---|
| 1434 |
|
|---|
| 1435 | return ('OK','OK');
|
|---|
| 1436 | } # end updateRec()
|
|---|
| 1437 |
|
|---|
| 1438 |
|
|---|
| 1439 | ## DNSDB::delRec()
|
|---|
| 1440 | # Delete a record.
|
|---|
| 1441 | sub delRec {
|
|---|
| 1442 | $errstr = '';
|
|---|
| 1443 | my $dbh = shift;
|
|---|
| 1444 | my $defrec = shift;
|
|---|
| 1445 | my $id = shift;
|
|---|
| 1446 |
|
|---|
| 1447 | my $sth = $dbh->prepare("DELETE FROM ".($defrec eq 'y' ? 'default_' : '')."records WHERE record_id=?");
|
|---|
| 1448 | $sth->execute($id);
|
|---|
| 1449 |
|
|---|
| 1450 | return ('FAIL',"Couldn't remove record: ".$sth->errstr) if $sth->err;
|
|---|
| 1451 |
|
|---|
| 1452 | return ('OK','OK');
|
|---|
| 1453 | } # end delRec()
|
|---|
| 1454 |
|
|---|
| 1455 |
|
|---|
| 1456 | # Reference hashes.
|
|---|
| 1457 | my %par_tbl = (
|
|---|
| 1458 | group => 'groups',
|
|---|
| 1459 | user => 'users',
|
|---|
| 1460 | defrec => 'default_records',
|
|---|
| 1461 | domain => 'domains',
|
|---|
| 1462 | record => 'records'
|
|---|
| 1463 | );
|
|---|
| 1464 | my %id_col = (
|
|---|
| 1465 | group => 'group_id',
|
|---|
| 1466 | user => 'user_id',
|
|---|
| 1467 | defrec => 'record_id',
|
|---|
| 1468 | domain => 'domain_id',
|
|---|
| 1469 | record => 'record_id'
|
|---|
| 1470 | );
|
|---|
| 1471 | my %par_col = (
|
|---|
| 1472 | group => 'parent_group_id',
|
|---|
| 1473 | user => 'group_id',
|
|---|
| 1474 | defrec => 'group_id',
|
|---|
| 1475 | domain => 'group_id',
|
|---|
| 1476 | record => 'domain_id'
|
|---|
| 1477 | );
|
|---|
| 1478 | my %par_type = (
|
|---|
| 1479 | group => 'group',
|
|---|
| 1480 | user => 'group',
|
|---|
| 1481 | defrec => 'group',
|
|---|
| 1482 | domain => 'group',
|
|---|
| 1483 | record => 'domain'
|
|---|
| 1484 | );
|
|---|
| 1485 |
|
|---|
| 1486 | ## DNSDB::getParents()
|
|---|
| 1487 | # Find out which entities are parent to the requested id
|
|---|
| 1488 | # Returns arrayref containing hash pairs of id/type
|
|---|
| 1489 | sub getParents {
|
|---|
| 1490 | my $dbh = shift;
|
|---|
| 1491 | my $id = shift;
|
|---|
| 1492 | my $type = shift;
|
|---|
| 1493 | my $depth = shift || 'all'; # valid values: 'all', 'immed', <int> (stop at this group ID)
|
|---|
| 1494 |
|
|---|
| 1495 | my @parlist;
|
|---|
| 1496 |
|
|---|
| 1497 | while (1) {
|
|---|
| 1498 | my $result = $dbh->selectrow_hashref("SELECT $par_col{$type} FROM $par_tbl{$type} WHERE $id_col{$type} = ?",
|
|---|
| 1499 | undef, ($id) );
|
|---|
| 1500 | my %tmp = ($result->{$par_col{$type}} => $par_type{$type});
|
|---|
| 1501 | unshift @parlist, \%tmp;
|
|---|
| 1502 | last if $result->{$par_col{$type}} == 1; # group 1 is its own parent
|
|---|
| 1503 | $id = $result->{$par_col{$type}};
|
|---|
| 1504 | $type = $par_type{$type};
|
|---|
| 1505 | }
|
|---|
| 1506 |
|
|---|
| 1507 | return \@parlist;
|
|---|
| 1508 |
|
|---|
| 1509 | } # end getParents()
|
|---|
| 1510 |
|
|---|
| 1511 |
|
|---|
| 1512 | ## DNSDB::isParent()
|
|---|
| 1513 | # Returns true if $id1 is a parent of $id2, false otherwise
|
|---|
| 1514 | sub isParent {
|
|---|
| 1515 | my $dbh = shift;
|
|---|
| 1516 | my $id1 = shift;
|
|---|
| 1517 | my $type1 = shift;
|
|---|
| 1518 | my $id2 = shift;
|
|---|
| 1519 | my $type2 = shift;
|
|---|
| 1520 | ##todo: immediate, secondary, full (default)
|
|---|
| 1521 |
|
|---|
| 1522 | # Return false on invalid types
|
|---|
| 1523 | return 0 if !grep /^$type1$/, ('record','defrec','user','domain','group');
|
|---|
| 1524 | return 0 if !grep /^$type2$/, ('record','defrec','user','domain','group');
|
|---|
| 1525 |
|
|---|
| 1526 | # Return false on impossible relations
|
|---|
| 1527 | return 0 if $type1 eq 'record'; # nothing may be a child of a record
|
|---|
| 1528 | return 0 if $type1 eq 'defrec'; # nothing may be a child of a record
|
|---|
| 1529 | return 0 if $type1 eq 'user'; # nothing may be child of a user
|
|---|
| 1530 | return 0 if $type1 eq 'domain' && $type2 ne 'record'; # domain may not be a parent of anything other than a record
|
|---|
| 1531 |
|
|---|
| 1532 | # ennnhhhh.... if we're passed an id of 0, it will never be found. usual
|
|---|
| 1533 | # case would be the UI creating a new <thing>, and so we don't have an ID for
|
|---|
| 1534 | # <thing> to look up yet. in that case the UI should check the parent as well.
|
|---|
| 1535 | # argument for returning 1 is
|
|---|
| 1536 | return 0 if $id1 == 0; # nothing can have a parent id of 0
|
|---|
| 1537 | return 1 if $id2 == 0; # anything could have a child id of 0 (or "unknown")
|
|---|
| 1538 |
|
|---|
| 1539 | # group 1 is the ultimate root parent
|
|---|
| 1540 | return 1 if $type1 eq 'group' && $id1 == 1;
|
|---|
| 1541 |
|
|---|
| 1542 | # groups are always (a) parent of themselves
|
|---|
| 1543 | return 1 if $type1 eq 'group' && $type2 eq 'group' && $id1 == $id2;
|
|---|
| 1544 |
|
|---|
| 1545 | # almost the same loop as getParents() above
|
|---|
| 1546 | my $id = $id2;
|
|---|
| 1547 | my $type = $type2;
|
|---|
| 1548 | my $foundparent = 0;
|
|---|
| 1549 |
|
|---|
| 1550 | my $limiter = 0;
|
|---|
| 1551 | while (1) {
|
|---|
| 1552 | my $sql = "SELECT $par_col{$type} FROM $par_tbl{$type} WHERE $id_col{$type} = ?";
|
|---|
| 1553 | my $result = $dbh->selectrow_hashref($sql,
|
|---|
| 1554 | undef, ($id) );
|
|---|
| 1555 | if (!$result) {
|
|---|
| 1556 | $limiter++;
|
|---|
| 1557 | ##fixme: how often will this happen on a live site?
|
|---|
| 1558 | warn "no results looking for $sql with id $id (depth $limiter)\n";
|
|---|
| 1559 | last;
|
|---|
| 1560 | }
|
|---|
| 1561 | if ($result && $result->{$par_col{$type}} == $id1) {
|
|---|
| 1562 | $foundparent = 1;
|
|---|
| 1563 | last;
|
|---|
| 1564 | } else {
|
|---|
| 1565 | ##fixme: do we care about trying to return a "no such record/domain/user/group" error?
|
|---|
| 1566 | warn $dbh->errstr." $sql, $id" if $dbh->errstr;
|
|---|
| 1567 | }
|
|---|
| 1568 | # group 1 is its own parent. need this here more to break strange loops than for detecting a parent
|
|---|
| 1569 | last if $result->{$par_col{$type}} == 1;
|
|---|
| 1570 | $id = $result->{$par_col{$type}};
|
|---|
| 1571 | $type = $par_type{$type};
|
|---|
| 1572 | }
|
|---|
| 1573 |
|
|---|
| 1574 | return $foundparent;
|
|---|
| 1575 | } # end isParent()
|
|---|
| 1576 |
|
|---|
| 1577 |
|
|---|
| 1578 | ## DNSDB::domStatus()
|
|---|
| 1579 | # Sets and/or returns a domain's status
|
|---|
| 1580 | # Takes a database handle, domain ID and optionally a status argument
|
|---|
| 1581 | # Returns undef on errors.
|
|---|
| 1582 | sub domStatus {
|
|---|
| 1583 | my $dbh = shift;
|
|---|
| 1584 | my $id = shift;
|
|---|
| 1585 | my $newstatus = shift;
|
|---|
| 1586 |
|
|---|
| 1587 | return undef if $id !~ /^\d+$/;
|
|---|
| 1588 |
|
|---|
| 1589 | my $sth;
|
|---|
| 1590 |
|
|---|
| 1591 | # ooo, fun! let's see what we were passed for status
|
|---|
| 1592 | if ($newstatus) {
|
|---|
| 1593 | $sth = $dbh->prepare("update domains set status=? where domain_id=?");
|
|---|
| 1594 | # ass-u-me caller knows what's going on in full
|
|---|
| 1595 | if ($newstatus =~ /^[01]$/) { # only two valid for now.
|
|---|
| 1596 | $sth->execute($newstatus,$id);
|
|---|
| 1597 | } elsif ($newstatus =~ /^domo(?:n|ff)$/) {
|
|---|
| 1598 | $sth->execute(($newstatus eq 'domon' ? 1 : 0),$id);
|
|---|
| 1599 | }
|
|---|
| 1600 | }
|
|---|
| 1601 |
|
|---|
| 1602 | $sth = $dbh->prepare("select status from domains where domain_id=?");
|
|---|
| 1603 | $sth->execute($id);
|
|---|
| 1604 | my ($status) = $sth->fetchrow_array;
|
|---|
| 1605 | return $status;
|
|---|
| 1606 | } # end domStatus()
|
|---|
| 1607 |
|
|---|
| 1608 |
|
|---|
| 1609 | ## DNSDB::importAXFR
|
|---|
| 1610 | # Import a domain via AXFR
|
|---|
| 1611 | # Takes AXFR host, domain to transfer, group to put the domain in,
|
|---|
| 1612 | # and optionally:
|
|---|
| 1613 | # - active/inactive state flag (defaults to active)
|
|---|
| 1614 | # - overwrite-SOA flag (defaults to off)
|
|---|
| 1615 | # - overwrite-NS flag (defaults to off, doesn't affect subdomain NS records)
|
|---|
| 1616 | # Returns a status code (OK, WARN, or FAIL) and message - message should be blank
|
|---|
| 1617 | # if status is OK, but WARN includes conditions that are not fatal but should
|
|---|
| 1618 | # really be reported.
|
|---|
| 1619 | sub importAXFR {
|
|---|
| 1620 | my $dbh = shift;
|
|---|
| 1621 | my $ifrom_in = shift;
|
|---|
| 1622 | my $domain = shift;
|
|---|
| 1623 | my $group = shift;
|
|---|
| 1624 | my $status = shift || 1;
|
|---|
| 1625 | my $rwsoa = shift || 0;
|
|---|
| 1626 | my $rwns = shift || 0;
|
|---|
| 1627 |
|
|---|
| 1628 | ##fixme: add mode to delete&replace, merge+overwrite, merge new?
|
|---|
| 1629 |
|
|---|
| 1630 | my $nrecs = 0;
|
|---|
| 1631 | my $soaflag = 0;
|
|---|
| 1632 | my $nsflag = 0;
|
|---|
| 1633 | my $warnmsg = '';
|
|---|
| 1634 | my $ifrom;
|
|---|
| 1635 |
|
|---|
| 1636 | # choke on possible bad setting in ifrom
|
|---|
| 1637 | # IPv4 and v6, and valid hostnames!
|
|---|
| 1638 | ($ifrom) = ($ifrom_in =~ /^([0-9a-f\:.]+|[0-9a-z_.-]+)$/i);
|
|---|
| 1639 | return ('FAIL', "Bad AXFR source host $ifrom")
|
|---|
| 1640 | unless ($ifrom) = ($ifrom_in =~ /^([0-9a-f\:.]+|[0-9a-z_.-]+)$/i);
|
|---|
| 1641 |
|
|---|
| 1642 | # Allow transactions, and raise an exception on errors so we can catch it later.
|
|---|
| 1643 | # Use local to make sure these get "reset" properly on exiting this block
|
|---|
| 1644 | local $dbh->{AutoCommit} = 0;
|
|---|
| 1645 | local $dbh->{RaiseError} = 1;
|
|---|
| 1646 |
|
|---|
| 1647 | my $sth = $dbh->prepare("SELECT domain_id FROM domains WHERE domain=?");
|
|---|
| 1648 | my $dom_id;
|
|---|
| 1649 |
|
|---|
| 1650 | # quick check to start to see if we've already got one
|
|---|
| 1651 | $sth->execute($domain);
|
|---|
| 1652 | ($dom_id) = $sth->fetchrow_array;
|
|---|
| 1653 |
|
|---|
| 1654 | return ('FAIL', "Domain already exists") if $dom_id;
|
|---|
| 1655 |
|
|---|
| 1656 | eval {
|
|---|
| 1657 | # can't do this, can't nest transactions. sigh.
|
|---|
| 1658 | #my ($dcode, $dmsg) = addDomain(dbh, domain, group, status);
|
|---|
| 1659 |
|
|---|
| 1660 | ##fixme: serial
|
|---|
| 1661 | my $sth = $dbh->prepare("INSERT INTO domains (domain,group_id,status) VALUES (?,?,?)");
|
|---|
| 1662 | $sth->execute($domain,$group,$status);
|
|---|
| 1663 |
|
|---|
| 1664 | ## bizarre DBI<->Net::DNS interaction bug:
|
|---|
| 1665 | ## sometimes a zone will cause an immediate commit-and-exit (sort of) of the while()
|
|---|
| 1666 | ## fixed, apparently I was doing *something* odd, but not certain what it was that
|
|---|
| 1667 | ## caused a commit instead of barfing
|
|---|
| 1668 |
|
|---|
| 1669 | # get domain id so we can do the records
|
|---|
| 1670 | $sth = $dbh->prepare("SELECT domain_id FROM domains WHERE domain=?");
|
|---|
| 1671 | $sth->execute($domain);
|
|---|
| 1672 | ($dom_id) = $sth->fetchrow_array();
|
|---|
| 1673 |
|
|---|
| 1674 | my $res = Net::DNS::Resolver->new;
|
|---|
| 1675 | $res->nameservers($ifrom);
|
|---|
| 1676 | $res->axfr_start($domain)
|
|---|
| 1677 | or die "Couldn't begin AXFR\n";
|
|---|
| 1678 |
|
|---|
| 1679 | while (my $rr = $res->axfr_next()) {
|
|---|
| 1680 | my $type = $rr->type;
|
|---|
| 1681 |
|
|---|
| 1682 | my $sql = "INSERT INTO records (domain_id,host,type,ttl,val";
|
|---|
| 1683 | my $vallen = "?,?,?,?,?";
|
|---|
| 1684 |
|
|---|
| 1685 | $soaflag = 1 if $type eq 'SOA';
|
|---|
| 1686 | $nsflag = 1 if $type eq 'NS';
|
|---|
| 1687 |
|
|---|
| 1688 | my @vallist = ($dom_id, $rr->name, $reverse_typemap{$type}, $rr->ttl);
|
|---|
| 1689 |
|
|---|
| 1690 | # "Primary" types:
|
|---|
| 1691 | # A, NS, CNAME, SOA, PTR(warn in forward), MX, TXT, AAAA, SRV, A6(ob), SPF
|
|---|
| 1692 | # maybe KEY
|
|---|
| 1693 |
|
|---|
| 1694 | # nasty big ugly case-like thing here, since we have to do *some* different
|
|---|
| 1695 | # processing depending on the record. le sigh.
|
|---|
| 1696 |
|
|---|
| 1697 | ##fixme: what record types other than TXT can/will have >255-byte payloads?
|
|---|
| 1698 |
|
|---|
| 1699 | if ($type eq 'A') {
|
|---|
| 1700 | push @vallist, $rr->address;
|
|---|
| 1701 | } elsif ($type eq 'NS') {
|
|---|
| 1702 | # hmm. should we warn here if subdomain NS'es are left alone?
|
|---|
| 1703 | next if ($rwns && ($rr->name eq $domain));
|
|---|
| 1704 | push @vallist, $rr->nsdname;
|
|---|
| 1705 | $nsflag = 1;
|
|---|
| 1706 | } elsif ($type eq 'CNAME') {
|
|---|
| 1707 | push @vallist, $rr->cname;
|
|---|
| 1708 | } elsif ($type eq 'SOA') {
|
|---|
| 1709 | next if $rwsoa;
|
|---|
| 1710 | $vallist[1] = $rr->mname.":".$rr->rname;
|
|---|
| 1711 | push @vallist, ($rr->refresh.":".$rr->retry.":".$rr->expire.":".$rr->minimum);
|
|---|
| 1712 | $soaflag = 1;
|
|---|
| 1713 | } elsif ($type eq 'PTR') {
|
|---|
| 1714 | push @vallist, $rr->ptrdname;
|
|---|
| 1715 | # hmm. PTR records should not be in forward zones.
|
|---|
| 1716 | } elsif ($type eq 'MX') {
|
|---|
| 1717 | $sql .= ",distance";
|
|---|
| 1718 | $vallen .= ",?";
|
|---|
| 1719 | push @vallist, $rr->exchange;
|
|---|
| 1720 | push @vallist, $rr->preference;
|
|---|
| 1721 | } elsif ($type eq 'TXT') {
|
|---|
| 1722 | ##fixme: Net::DNS docs say this should be deprecated for rdatastr() or char_str_list(),
|
|---|
| 1723 | ## but don't really seem enthusiastic about it.
|
|---|
| 1724 | my $rrdata = $rr->txtdata;
|
|---|
| 1725 | push @vallist, $rrdata;
|
|---|
| 1726 | } elsif ($type eq 'SPF') {
|
|---|
| 1727 | ##fixme: and the same caveat here, since it is apparently a clone of ::TXT
|
|---|
| 1728 | my $rrdata = $rr->txtdata;
|
|---|
| 1729 | push @vallist, $rrdata;
|
|---|
| 1730 | } elsif ($type eq 'AAAA') {
|
|---|
| 1731 | push @vallist, $rr->address;
|
|---|
| 1732 | } elsif ($type eq 'SRV') {
|
|---|
| 1733 | $sql .= ",distance,weight,port" if $type eq 'SRV';
|
|---|
| 1734 | $vallen .= ",?,?,?" if $type eq 'SRV';
|
|---|
| 1735 | push @vallist, $rr->target;
|
|---|
| 1736 | push @vallist, $rr->priority;
|
|---|
| 1737 | push @vallist, $rr->weight;
|
|---|
| 1738 | push @vallist, $rr->port;
|
|---|
| 1739 | } elsif ($type eq 'KEY') {
|
|---|
| 1740 | # we don't actually know what to do with these...
|
|---|
| 1741 | push @vallist, ($rr->flags.":".$rr->protocol.":".$rr->algorithm.":".$rr->key.":".$rr->keytag.":".$rr->privatekeyname);
|
|---|
| 1742 | } else {
|
|---|
| 1743 | my $rrdata = $rr->rdatastr;
|
|---|
| 1744 | push @vallist, $rrdata;
|
|---|
| 1745 | # Finding a different record type is not fatal.... just problematic.
|
|---|
| 1746 | # We may not be able to export it correctly.
|
|---|
| 1747 | $warnmsg .= "Unusual record ".$rr->name." ($type) found\n";
|
|---|
| 1748 | }
|
|---|
| 1749 |
|
|---|
| 1750 | # BIND supports:
|
|---|
| 1751 | # A CNAME HINFO MB(ex) MD(ob) MF(ob) MG(ex) MINFO(ex) MR(ex) MX NS NULL
|
|---|
| 1752 | # PTR SOA TXT WKS AFSDB(ex) ISDN(ex) RP(ex) RT(ex) X25(ex) PX
|
|---|
| 1753 | # ... if one can ever find the right magic to format them correctly
|
|---|
| 1754 |
|
|---|
| 1755 | # Net::DNS supports:
|
|---|
| 1756 | # RRSIG SIG NSAP NS NIMLOC NAPTR MX MR MINFO MG MB LOC ISDN IPSECKEY HINFO
|
|---|
| 1757 | # EID DNAME CNAME CERT APL AFSDB AAAA A DS NXT NSEC3PARAM NSEC3 NSEC KEY
|
|---|
| 1758 | # DNSKEY DLV X25 TXT TSIG TKEY SSHFP SRV SPF SOA RT RP PX PTR NULL APL::AplItem
|
|---|
| 1759 |
|
|---|
| 1760 | $sth = $dbh->prepare($sql.") VALUES (".$vallen.")") or die "problem preparing record insert SQL\n";
|
|---|
| 1761 | $sth->execute(@vallist) or die "failed to insert ".$rr->string.": ".$sth->errstr."\n";
|
|---|
| 1762 |
|
|---|
| 1763 | $nrecs++;
|
|---|
| 1764 |
|
|---|
| 1765 | } # while axfr_next
|
|---|
| 1766 |
|
|---|
| 1767 | # Overwrite SOA record
|
|---|
| 1768 | if ($rwsoa) {
|
|---|
| 1769 | $soaflag = 1;
|
|---|
| 1770 | my $sthgetsoa = $dbh->prepare("SELECT host,val,ttl FROM default_records WHERE group_id=? AND type=?");
|
|---|
| 1771 | my $sthputsoa = $dbh->prepare("INSERT INTO records (domain_id,host,type,val,ttl) VALUES (?,?,?,?,?)");
|
|---|
| 1772 | $sthgetsoa->execute($group,$reverse_typemap{SOA});
|
|---|
| 1773 | while (my ($host,$val,$ttl) = $sthgetsoa->fetchrow_array()) {
|
|---|
| 1774 | $host =~ s/DOMAIN/$domain/g;
|
|---|
| 1775 | $val =~ s/DOMAIN/$domain/g;
|
|---|
| 1776 | $sthputsoa->execute($dom_id,$host,$reverse_typemap{SOA},$val,$ttl);
|
|---|
| 1777 | }
|
|---|
| 1778 | }
|
|---|
| 1779 |
|
|---|
| 1780 | # Overwrite NS records
|
|---|
| 1781 | if ($rwns) {
|
|---|
| 1782 | $nsflag = 1;
|
|---|
| 1783 | my $sthgetns = $dbh->prepare("SELECT host,val,ttl FROM default_records WHERE group_id=? AND type=?");
|
|---|
| 1784 | my $sthputns = $dbh->prepare("INSERT INTO records (domain_id,host,type,val,ttl) VALUES (?,?,?,?,?)");
|
|---|
| 1785 | $sthgetns->execute($group,$reverse_typemap{NS});
|
|---|
| 1786 | while (my ($host,$val,$ttl) = $sthgetns->fetchrow_array()) {
|
|---|
| 1787 | $host =~ s/DOMAIN/$domain/g;
|
|---|
| 1788 | $val =~ s/DOMAIN/$domain/g;
|
|---|
| 1789 | $sthputns->execute($dom_id,$host,$reverse_typemap{NS},$val,$ttl);
|
|---|
| 1790 | }
|
|---|
| 1791 | }
|
|---|
| 1792 |
|
|---|
| 1793 | die "No records found; either $ifrom is not authoritative or doesn't allow transfers\n" if !$nrecs;
|
|---|
| 1794 | die "Bad zone: No SOA record!\n" if !$soaflag;
|
|---|
| 1795 | die "Bad zone: No NS records!\n" if !$nsflag;
|
|---|
| 1796 |
|
|---|
| 1797 | $dbh->commit;
|
|---|
| 1798 |
|
|---|
| 1799 | };
|
|---|
| 1800 |
|
|---|
| 1801 | if ($@) {
|
|---|
| 1802 | my $msg = $@;
|
|---|
| 1803 | eval { $dbh->rollback; };
|
|---|
| 1804 | return ('FAIL',$msg." $warnmsg");
|
|---|
| 1805 | } else {
|
|---|
| 1806 | return ('WARN', $warnmsg) if $warnmsg;
|
|---|
| 1807 | return ('OK',"Imported OK");
|
|---|
| 1808 | }
|
|---|
| 1809 |
|
|---|
| 1810 | # it should be impossible to get here.
|
|---|
| 1811 | return ('WARN',"OOOK!");
|
|---|
| 1812 | } # end importAXFR()
|
|---|
| 1813 |
|
|---|
| 1814 |
|
|---|
| 1815 | ## DNSDB::export()
|
|---|
| 1816 | # Export the DNS database, or a part of it
|
|---|
| 1817 | # Takes database handle, export type, optional arguments depending on type
|
|---|
| 1818 | # Writes zone data to targets as appropriate for type
|
|---|
| 1819 | sub export {
|
|---|
| 1820 | my $dbh = shift;
|
|---|
| 1821 | my $target = shift;
|
|---|
| 1822 |
|
|---|
| 1823 | if ($target eq 'tiny') {
|
|---|
| 1824 | __export_tiny($dbh,@_);
|
|---|
| 1825 | }
|
|---|
| 1826 | # elsif ($target eq 'foo') {
|
|---|
| 1827 | # __export_foo($dbh,@_);
|
|---|
| 1828 | #}
|
|---|
| 1829 | # etc
|
|---|
| 1830 |
|
|---|
| 1831 | } # end export()
|
|---|
| 1832 |
|
|---|
| 1833 |
|
|---|
| 1834 | ## DNSDB::__export_tiny
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| 1835 | # Internal sub to implement tinyDNS (compatible) export
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| 1836 | # Takes database handle, filehandle to write export to, optional argument(s)
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| 1837 | # to determine which data gets exported
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| 1838 | sub __export_tiny {
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| 1839 | my $dbh = shift;
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| 1840 | my $datafile = shift;
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| 1841 |
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| 1842 | ##fixme: slurp up further options to specify particular zone(s) to export
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| 1843 |
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| 1844 | ## Convert a bare number into an octal-coded pair of octets.
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| 1845 | # Take optional arg to indicate a decimal or hex input. Defaults to hex.
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| 1846 | sub octalize {
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| 1847 | my $tmp = shift;
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| 1848 | my $srctype = shift || 'h'; # default assumes hex string
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| 1849 | $tmp = sprintf "%0.4x", hex($tmp) if $srctype eq 'h'; # 0-pad hex to 4 digits
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| 1850 | $tmp = sprintf "%0.4x", $tmp if $srctype eq 'd'; # 0-pad decimal to 4 hex digits
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| 1851 | my @o = ($tmp =~ /^(..)(..)$/); # split into octets
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| 1852 | return sprintf "\\%0.3o\\%0.3o", hex($o[0]), hex($o[1]);;
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| 1853 | }
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| 1854 |
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| 1855 | ##fixme: fail if $datafile isn't an open, writable file
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| 1856 |
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| 1857 | # easy case - export all evarything
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| 1858 | # not-so-easy case - export item(s) specified
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| 1859 | # todo: figure out what kind of list we use to export items
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| 1860 |
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| 1861 | my $domsth = $dbh->prepare("SELECT domain_id,domain,status FROM domains WHERE status=1");
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| 1862 | my $recsth = $dbh->prepare("SELECT host,type,val,distance,weight,port,ttl ".
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| 1863 | "FROM records WHERE domain_id=?");
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| 1864 | $domsth->execute();
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| 1865 | while (my ($domid,$dom,$domstat) = $domsth->fetchrow_array) {
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| 1866 | $recsth->execute($domid);
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| 1867 | while (my ($host,$type,$val,$dist,$weight,$port,$ttl) = $recsth->fetchrow_array) {
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| 1868 | ##fixme: need to store location in the db, and retrieve it here.
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| 1869 | # temporarily hardcoded to empty so we can include it further down.
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| 1870 | my $loc = '';
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| 1871 |
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| 1872 | ##fixme: record validity timestamp. tinydns supports fiddling with timestamps.
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| 1873 | # note $ttl must be set to 0 if we want to use tinydns's auto-expiring timestamps.
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| 1874 | # timestamps are TAI64
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| 1875 | # ~~ 2^62 + time()
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| 1876 | my $stamp = '';
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| 1877 |
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| 1878 | # raw packet in unknown format: first byte indicates length
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| 1879 | # of remaining data, allows up to 255 raw bytes
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| 1880 |
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| 1881 | ##fixme? append . to all host/val hostnames
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| 1882 | if ($typemap{$type} eq 'SOA') {
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| 1883 |
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| 1884 | # host contains pri-ns:responsible
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| 1885 | # val is abused to contain refresh:retry:expire:minttl
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| 1886 | ##fixme: "manual" serial vs tinydns-autoserial
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| 1887 | print $datafile "Z$host"."::$val:$ttl:$stamp:$loc\n";
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| 1888 |
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| 1889 | } elsif ($typemap{$type} eq 'A') {
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| 1890 |
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| 1891 | print $datafile "+$host:$val:$ttl:$stamp:$loc\n";
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| 1892 |
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| 1893 | } elsif ($typemap{$type} eq 'NS') {
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| 1894 |
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| 1895 | print $datafile "\&$host"."::$val:$ttl:$stamp:$loc\n";
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| 1896 |
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| 1897 | } elsif ($typemap{$type} eq 'AAAA') {
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| 1898 |
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| 1899 | print $datafile ":$host:28:";
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| 1900 | my $altgrp = 0;
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| 1901 | my @altconv;
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| 1902 | # Split in to up to 8 groups of hex digits (allows for IPv6 :: 0-collapsing)
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| 1903 | foreach (split /:/, $val) {
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| 1904 | if (/^$/) {
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| 1905 | # flag blank entry; this is a series of 0's of (currently) unknown length
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| 1906 | $altconv[$altgrp++] = 's';
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| 1907 | } else {
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| 1908 | # call sub to convert 1-4 hex digits to 2 string-rep octal bytes
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| 1909 | $altconv[$altgrp++] = octalize($_)
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| 1910 | }
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| 1911 | }
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| 1912 | foreach my $octet (@altconv) {
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| 1913 | # if not 's', output
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| 1914 | print $datafile $octet unless $octet =~ /^s$/;
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| 1915 | # if 's', output (9-array length)x literal '\000\000'
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| 1916 | print $datafile '\000\000'x(9-$altgrp) if $octet =~ /^s$/;
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| 1917 | }
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| 1918 | print $datafile ":$ttl:$stamp:$loc\n";
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| 1919 |
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| 1920 | } elsif ($typemap{$type} eq 'MX') {
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| 1921 |
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| 1922 | print $datafile "\@$host"."::$val:$dist:$ttl:$stamp:$loc\n";
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| 1923 |
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| 1924 | } elsif ($typemap{$type} eq 'TXT') {
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| 1925 |
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| 1926 | ##fixme: split v-e-r-y long TXT strings? will need to do so for BIND export, at least
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| 1927 | $val =~ s/:/\\072/g; # may need to replace other symbols
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| 1928 | print $datafile "'$host:$val:$ttl:$stamp:$loc\n";
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| 1929 |
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| 1930 | # by-hand TXT
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| 1931 | #:deepnet.cx:16:2v\075spf1\040a\040a\072bacon.deepnet.cx\040a\072home.deepnet.cx\040-all:3600
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| 1932 | #@ IN TXT "v=spf1 a a:bacon.deepnet.cx a:home.deepnet.cx -all"
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| 1933 | #'deepnet.cx:v=spf1 a a\072bacon.deepnet.cx a\072home.deepnet.cx -all:3600
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| 1934 |
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| 1935 | #txttest IN TXT "v=foo bar:bob kn;ob' \" !@#$%^&*()-=_+[]{}<>?"
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| 1936 | #:txttest.deepnet.cx:16:\054v\075foo\040bar\072bob\040kn\073ob\047\040\042\040\041\100\043\044\045\136\046\052\050\051-\075\137\053\133\135\173\175\074\076\077:3600
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| 1937 |
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| 1938 | # very long TXT record as brought in by axfr-get
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| 1939 | # note tinydns does not support >512-byte RR data, need axfr-dns (for TCP support) for that
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| 1940 | # also note, tinydns does not seem to support <512, >256-byte RRdata from axfr-get either. :/
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| 1941 | #:longtxt.deepnet.cx:16:
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| 1942 | #\170this is a very long txt record. it is really long. long. very long. really very long. this is a very long txt record.
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| 1943 | #\263 it is really long. long. very long. really very long. this is a very long txt record. it is really long. long. very long. really very long. this is a very long txt record.
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| 1944 | #\351 it is really long. long. very long. really very long.this is a very long txt record. it is really long. long. very long. really very long. this is a very long txt record. it is really long. long. very long. really very long.
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| 1945 | #:3600
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| 1946 |
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| 1947 | } elsif ($typemap{$type} eq 'CNAME') {
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| 1948 |
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| 1949 | print $datafile "C$host:$val:$ttl:$stamp:$loc\n";
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| 1950 |
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| 1951 | } elsif ($typemap{$type} eq 'SRV') {
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| 1952 |
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| 1953 | # data is two-byte values for priority, weight, port, in that order,
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| 1954 | # followed by length/string data
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| 1955 |
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| 1956 | print $datafile ":$host:33:".octalize($dist,'d').octalize($weight,'d').octalize($port,'d');
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| 1957 |
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| 1958 | $val .= '.' if $val !~ /\.$/;
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| 1959 | foreach (split /\./, $val) {
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| 1960 | printf $datafile "\\%0.3o%s", length($_), $_;
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| 1961 | }
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| 1962 | print $datafile "\\000:$ttl:$stamp:$loc\n";
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| 1963 |
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| 1964 | } elsif ($typemap{$type} eq 'RP') {
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| 1965 |
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| 1966 | # RP consists of two mostly free-form strings.
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| 1967 | # The first is supposed to be an email address with @ replaced by . (as with the SOA contact)
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| 1968 | # The second is the "hostname" of a TXT record with more info.
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| 1969 | print $datafile ":$host:17:";
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| 1970 | my ($who,$what) = split /\s/, $val;
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| 1971 | foreach (split /\./, $who) {
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| 1972 | printf $datafile "\\%0.3o%s", length($_), $_;
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| 1973 | }
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| 1974 | print $datafile '\000';
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| 1975 | foreach (split /\./, $what) {
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| 1976 | printf $datafile "\\%0.3o%s", length($_), $_;
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| 1977 | }
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| 1978 | print $datafile "\\000:$ttl:$stamp:$loc\n";
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| 1979 |
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| 1980 | } elsif ($typemap{$type} eq 'PTR') {
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| 1981 |
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| 1982 | # must handle both IPv4 and IPv6
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| 1983 | ##work
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| 1984 | # data should already be in suitable reverse order.
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| 1985 | print $datafile "^$host:$val:$ttl:$stamp:$loc\n";
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| 1986 |
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| 1987 | } else {
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| 1988 | # raw record. we don't know what's in here, so we ASS-U-ME the user has
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| 1989 | # put it in correctly, since either the user is messing directly with the
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| 1990 | # database, or the record was imported via AXFR
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| 1991 | # <split by char>
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| 1992 | # convert anything not a-zA-Z0-9.- to octal coding
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| 1993 |
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| 1994 | ##fixme: add flag to export "unknown" record types - note we'll probably end up
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| 1995 | # mangling them since they were written to the DB from Net::DNS::RR::<type>->rdatastr.
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| 1996 | #print $datafile ":$host:$type:$val:$ttl:$stamp:$loc\n";
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| 1997 |
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| 1998 | } # record type if-else
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| 1999 |
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| 2000 | } # while ($recsth)
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| 2001 | } # while ($domsth)
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| 2002 | } # end __export_tiny()
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| 2003 |
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| 2004 |
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| 2005 | # shut Perl up
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| 2006 | 1;
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