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source: trunk/DNSDB.pm@ 192

Last change on this file since 192 was 192, checked in by Kris Deugau, 13 years ago

/trunk

Ooops, reverting unintended Weirdness in dns.sql, DNSDB.pm, and dns.cgi
accidentally commited along with the intended dns-rpc.cgi change in r191

Property svn:keywords set to Date Rev Author Id

File size: 62.3 KB

Rev	Line
[2]	1	# dns/trunk/DNSDB.pm
	2	# Abstraction functions for DNS administration
	3	###
	4	# SVN revision info
	5	# $Date: 2011-12-09 21:17:14 +0000 (Fri, 09 Dec 2011) $
	6	# SVN revision $Rev: 192 $
	7	# Last update by $Author: kdeugau $
	8	###
[175]	9	# Copyright (C) 2008-2011 - Kris Deugau <kdeugau@deepnet.cx>
[2]	10
	11	package DNSDB;
	12
	13	use strict;
	14	use warnings;
	15	use Exporter;
	16	use DBI;
[33]	17	use Net::DNS;
[65]	18	use Crypt::PasswdMD5;
[2]	19	#use Net::SMTP;
[132]	20	use NetAddr::IP;
[2]	21	#use POSIX;
	22	use vars qw($VERSION @ISA @EXPORT @EXPORT_OK %EXPORT_TAGS);
	23
	24	$VERSION = 0.1;
	25	@ISA = qw(Exporter);
	26	@EXPORT_OK = qw(
[67]	27	&initGlobals
	28	&initPermissions &getPermissions &changePermissions &comparePermissions
[112]	29	&changeGroup
[128]	30	&loadConfig &connectDB &finish
[91]	31	&addDomain &delDomain &domainName &domainID
[22]	32	&addGroup &delGroup &getChildren &groupName
[83]	33	&addUser &updateUser &delUser &userFullName &userStatus &getUserData
[91]	34	&getSOA &getRecLine &getDomRecs &getRecCount
[22]	35	&addRec &updateRec &delRec
[117]	36	&getParents
	37	&isParent
[34]	38	&domStatus &importAXFR
[103]	39	&export
[128]	40	%typemap %reverse_typemap %config
[66]	41	%permissions @permtypes $permlist
[2]	42	);
	43
	44	@EXPORT = (); # Export nothing by default.
	45	%EXPORT_TAGS = ( ALL => [qw(
[67]	46	&initGlobals
	47	&initPermissions &getPermissions &changePermissions &comparePermissions
[112]	48	&changeGroup
[128]	49	&loadConfig &connectDB &finish
[91]	50	&addDomain &delDomain &domainName &domainID
[22]	51	&addGroup &delGroup &getChildren &groupName
[83]	52	&addUser &updateUser &delUser &userFullName &userStatus &getUserData
[91]	53	&getSOA &getRecLine &getDomRecs &getRecCount
[22]	54	&addRec &updateRec &delRec
[117]	55	&getParents
	56	&isParent
[34]	57	&domStatus &importAXFR
[103]	58	&export
[128]	59	%typemap %reverse_typemap %config
[66]	60	%permissions @permtypes $permlist
[2]	61	)]
	62	);
	63
	64	our $group = 1;
	65	our $errstr = '';
	66
	67	# Halfway sane defaults for SOA, TTL, etc.
[101]	68	# serial defaults to 0 for convenience.
	69	# value will be either YYYYMMDDNN for BIND/etc, or auto-internal for tinydns
[2]	70	our %def = qw (
	71	contact hostmaster.DOMAIN
	72	prins ns1.myserver.com
[101]	73	serial 0
[2]	74	soattl 86400
	75	refresh 10800
	76	retry 3600
	77	expire 604800
	78	minttl 10800
	79	ttl 10800
	80	);
	81
[66]	82	# Arguably defined wholly in the db, but little reason to change without supporting code changes
	83	our @permtypes = qw (
	84	group_edit group_create group_delete
	85	user_edit user_create user_delete
	86	domain_edit domain_create domain_delete
	87	record_edit record_create record_delete
	88	self_edit admin
	89	);
	90	our $permlist = join(',',@permtypes);
	91
[2]	92	# DNS record type map and reverse map.
	93	# loaded from the database, from http://www.iana.org/assignments/dns-parameters
	94	our %typemap;
	95	our %reverse_typemap;
	96
[65]	97	our %permissions;
[55]	98
[128]	99	# Prepopulate a basic config. Note some of these will cause errors if left unset.
	100	our %config = (
	101	# Database connection info
	102	dbname => 'dnsdb',
	103	dbuser => 'dnsdb',
	104	dbpass => 'secret',
	105	dbhost => '',
	106
	107	# Email notice settings
	108	mailhost => 'smtp.example.com',
	109	mailsender => 'dnsdb@example.com',
	110	mailname => 'DNS Administration',
	111
	112	# Template directory
	113	templatedir => 'templates/',
	114	# fmeh. this is a real web path, not a logical internal one. hm..
[163]	115	# cssdir => 'templates/',
	116
	117	# Session params
	118	timeout => '3600' # 1 hour default
[128]	119	);
	120
	121
[2]	122	##
	123	## Initialization and cleanup subs
	124	##
	125
[55]	126
[128]	127	## DNSDB::loadConfig()
	128	# Load the minimum required initial state (DB connect info) from a config file
	129	# Load misc other bits while we're at it.
	130	# Takes an optional basename and config path to look for
	131	# Populates the %config and %def hashes
	132	sub loadConfig {
	133	my $basename = shift \|\| ''; # this will work OK
	134
	135	my $deferr = ''; # place to put error from default config file in case we can't find either one
	136
	137	my $configroot = '/etc/dnsdb';
	138	$configroot = '' if $basename =~ m\|^/\|;
	139	$basename .= ".conf" if $basename !~ /\.conf$/;
	140	my $defconfig = "$configroot/dnsdb.conf";
	141	my $siteconfig = "$configroot/$basename";
	142
	143	# System defaults
[131]	144	__cfgload("$defconfig") or $deferr = $errstr;
[128]	145
[131]	146	# Per-site-ish settings.
	147	if ($basename ne '.conf') {
	148	unless (__cfgload("$siteconfig")) {
	149	$errstr = ($deferr ? "Error opening default config file $defconfig: $deferr\n" : '').
[128]	150	"Error opening site config file $siteconfig";
[131]	151	return;
	152	}
[128]	153	}
	154
	155	# All good, clear the error and go home.
	156	$errstr = '';
	157	return 1;
	158	} # end loadConfig()
	159
	160
	161	## DNSDB::__cfgload()
	162	# Private sub to parse a config file and load it into %config
	163	# Takes a file handle on an open config file
	164	sub __cfgload {
	165	$errstr = '';
	166	my $cfgfile = shift;
[131]	167
[128]	168	if (open CFG, "<$cfgfile") {
	169	while (<CFG>) {
	170	chomp;
	171	s/^\s*//;
	172	next if /^#/;
	173	next if /^$/;
	174	# hmm. more complex bits in this file might require [heading] headers, maybe?
	175	# $mode = $1 if /^\[(a-z)+]/;
	176	# DB connect info
	177	$config{dbname} = $1 if /^dbname\s=\s([a-z0-9_.-]+)/i;
	178	$config{dbuser} = $1 if /^dbuser\s=\s([a-z0-9_.-]+)/i;
	179	$config{dbpass} = $1 if /^dbpass\s=\s([a-z0-9_.-]+)/i;
	180	$config{dbhost} = $1 if /^dbhost\s=\s([a-z0-9_.-]+)/i;
	181	# SOA defaults
	182	$def{contact} = $1 if /^contact\s=\s([a-z0-9_.-]+)/i;
	183	$def{prins} = $1 if /^prins\s=\s([a-z0-9_.-]+)/i;
	184	$def{soattl} = $1 if /^soattl\s=\s([a-z0-9_.-]+)/i;
	185	$def{refresh} = $1 if /^refresh\s=\s([a-z0-9_.-]+)/i;
	186	$def{retry} = $1 if /^retry\s=\s([a-z0-9_.-]+)/i;
	187	$def{expire} = $1 if /^expire\s=\s([a-z0-9_.-]+)/i;
	188	$def{minttl} = $1 if /^minttl\s=\s([a-z0-9_.-]+)/i;
	189	$def{ttl} = $1 if /^ttl\s=\s([a-z0-9_.-]+)/i;
	190	# Mail settings
	191	$config{mailhost} = $1 if /^mailhost\s=\s([a-z0-9_.-]+)/i;
	192	$config{mailsender} = $1 if /^mailsender\s=\s([a-z0-9_.@-]+)/i;
	193	$config{mailname} = $1 if /^mailname\s=\s([a-z0-9\s_.-]+)/i;
[163]	194	# session - note this is fed directly to CGI::Session
	195	$config{timeout} = $1 if /^[tT][iI][mM][eE][oO][uU][tT]\s=\s(\d+[smhdwMy]?)/;
[128]	196	}
	197	close CFG;
	198	} else {
	199	$errstr = $!;
	200	return;
	201	}
	202	return 1;
	203	} # end __cfgload()
	204
	205
[2]	206	## DNSDB::connectDB()
	207	# Creates connection to DNS database.
	208	# Requires the database name, username, and password.
	209	# Returns a handle to the db.
	210	# Set up for a PostgreSQL db; could be any transactional DBMS with the
	211	# right changes.
	212	sub connectDB {
	213	$errstr = '';
[15]	214	my $dbname = shift;
	215	my $user = shift;
	216	my $pass = shift;
[2]	217	my $dbh;
	218	my $DSN = "DBI:Pg:dbname=$dbname";
	219
	220	my $host = shift;
	221	$DSN .= ";host=$host" if $host;
	222
	223	# Note that we want to autocommit by default, and we will turn it off locally as necessary.
	224	# We may not want to print gobbledygook errors; YMMV. Have to ponder that further.
	225	$dbh = DBI->connect($DSN, $user, $pass, {
	226	AutoCommit => 1,
	227	PrintError => 0
	228	})
	229	or return (undef, $DBI::errstr) if(!$dbh);
	230
	231	# Return here if we can't select. Note that this indicates a
	232	# problem executing the select.
	233	my $sth = $dbh->prepare("select group_id from groups limit 1");
	234	$sth->execute();
	235	return (undef,$DBI::errstr) if ($sth->err);
	236
	237	# See if the select returned anything (or null data). This should
	238	# succeed if the select executed, but...
	239	$sth->fetchrow();
	240	return (undef,$DBI::errstr) if ($sth->err);
	241
	242	$sth->finish;
	243
	244	# If we get here, we should be OK.
	245	return ($dbh,"DB connection OK");
	246	} # end connectDB
	247
	248
	249	## DNSDB::finish()
	250	# Cleans up after database handles and so on.
	251	# Requires a database handle
	252	sub finish {
	253	my $dbh = $_[0];
	254	$dbh->disconnect;
	255	} # end finish
	256
	257
	258	## DNSDB::initGlobals()
	259	# Initialize global variables
	260	# NB: this does NOT include web-specific session variables!
	261	# Requires a database handle
	262	sub initGlobals {
	263	my $dbh = shift;
	264
	265	# load system-wide site defaults and things from config file
[29]	266	if (open SYSDEFAULTS, "</etc/dnsdb.conf") {
[2]	267	##fixme - error check!
[29]	268	while (<SYSDEFAULTS>) {
	269	next if /^\s*#/;
	270	$def{contact} = $1 if /contact ?= ?([a-z0-9_.-]+)/i;
	271	$def{prins} = $1 if /prins ?= ?([a-z0-9_.-]+)/i;
	272	$def{soattl} = $1 if /soattl ?= ?([a-z0-9_.-]+)/i;
	273	$def{refresh} = $1 if /refresh ?= ?([a-z0-9_.-]+)/i;
	274	$def{retry} = $1 if /retry ?= ?([a-z0-9_.-]+)/i;
	275	$def{expire} = $1 if /expire ?= ?([a-z0-9_.-]+)/i;
	276	$def{minttl} = $1 if /minttl ?= ?([a-z0-9_.-]+)/i;
	277	$def{ttl} = $1 if /ttl ?= ?([a-z0-9_.-]+)/i;
[2]	278	##fixme? load DB user/pass from config file?
[29]	279	}
[2]	280	}
	281	# load from database
	282	my $sth = $dbh->prepare("select val,name from rectypes");
	283	$sth->execute;
	284	while (my ($recval,$recname) = $sth->fetchrow_array()) {
	285	$typemap{$recval} = $recname;
	286	$reverse_typemap{$recname} = $recval;
	287	}
	288	} # end initGlobals
	289
	290
[65]	291	## DNSDB::initPermissions()
	292	# Set up permissions global
	293	# Takes database handle and UID
	294	sub initPermissions {
	295	my $dbh = shift;
	296	my $uid = shift;
	297
	298	# %permissions = $(getPermissions($dbh,'user',$uid));
	299	getPermissions($dbh, 'user', $uid, \%permissions);
	300
	301	} # end initPermissions()
	302
	303
	304	## DNSDB::getPermissions()
	305	# Get permissions from DB
	306	# Requires DB handle, group or user flag, ID, and hashref.
	307	sub getPermissions {
	308	my $dbh = shift;
	309	my $type = shift;
	310	my $id = shift;
	311	my $hash = shift;
	312
	313	my $sql = qq(
	314	SELECT
	315	p.admin,p.self_edit,
	316	p.group_create,p.group_edit,p.group_delete,
	317	p.user_create,p.user_edit,p.user_delete,
	318	p.domain_create,p.domain_edit,p.domain_delete,
	319	p.record_create,p.record_edit,p.record_delete
	320	FROM permissions p
	321	);
	322	if ($type eq 'group') {
	323	$sql .= qq(
	324	JOIN groups g ON g.permission_id=p.permission_id
	325	WHERE g.group_id=?
	326	);
	327	} else {
	328	$sql .= qq(
	329	JOIN users u ON u.permission_id=p.permission_id
	330	WHERE u.user_id=?
	331	);
	332	}
	333
	334	my $sth = $dbh->prepare($sql);
	335
	336	$sth->execute($id) or die "argh: ".$sth->errstr;
	337
	338	# my $permref = $sth->fetchrow_hashref;
	339	# return $permref;
	340	# $hash = $permref;
	341	# Eww. Need to learn how to forcibly drop a hashref onto an existing hash.
	342	($hash->{admin},$hash->{self_edit},
	343	$hash->{group_create},$hash->{group_edit},$hash->{group_delete},
	344	$hash->{user_create},$hash->{user_edit},$hash->{user_delete},
	345	$hash->{domain_create},$hash->{domain_edit},$hash->{domain_delete},
	346	$hash->{record_create},$hash->{record_edit},$hash->{record_delete})
	347	= $sth->fetchrow_array;
	348
	349	} # end getPermissions()
	350
	351
	352	## DNSDB::changePermissions()
	353	# Update an ACL entry
	354	# Takes a db handle, type, owner-id, and hashref for the changed permissions.
	355	sub changePermissions {
	356	my $dbh = shift;
	357	my $type = shift;
	358	my $id = shift;
	359	my $newperms = shift;
[87]	360	my $inherit = shift \|\| 0;
[65]	361
[78]	362	my $failmsg = '';
[66]	363
[87]	364	# see if we're switching from inherited to custom. for bonus points,
	365	# snag the permid and parent permid anyway, since we'll need the permid
	366	# to set/alter custom perms, and both if we're switching from custom to
	367	# inherited.
	368	my $sth = $dbh->prepare("SELECT (u.permission_id=g.permission_id) AS was_inherited,u.permission_id,g.permission_id".
[65]	369	" FROM ".($type eq 'user' ? 'users' : 'groups')." u ".
[66]	370	" JOIN groups g ON u.".($type eq 'user' ? '' : 'parent_')."group_id=g.group_id ".
[65]	371	" WHERE u.".($type eq 'user' ? 'user' : 'group')."_id=?");
	372	$sth->execute($id);
	373
[87]	374	my ($wasinherited,$permid,$parpermid) = $sth->fetchrow_array;
[66]	375
[78]	376	# hack phtoui
	377	# group id 1 is "special" in that it's it's own parent (err... possibly.)
	378	# may make its parent id 0 which doesn't exist, and as a bonus is Perl-false.
	379	$wasinherited = 0 if ($type eq 'group' && $id == 1);
	380
[66]	381	local $dbh->{AutoCommit} = 0;
	382	local $dbh->{RaiseError} = 1;
	383
	384	# Wrap all the SQL in a transaction
	385	eval {
[87]	386	if ($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
[66]	395	##fixme: need to add semirecursive bit to properly munge inherited permission ID on subgroups and users
[87]	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, $id) );
[66]	404	}
[78]	405
[87]	406	# and now set the permissions we were passed
	407	foreach (@permtypes) {
	408	if (defined ($newperms->{$_})) {
	409	$dbh->do("UPDATE permissions SET $_=? WHERE permission_id=?", undef, ($newperms->{$_},$permid) );
	410	}
	411	}
	412
	413	} # (inherited->)? custom
	414
[66]	415	$dbh->commit;
	416	}; # end eval
	417	if ($@) {
	418	my $msg = $@;
	419	eval { $dbh->rollback; };
[87]	420	return ('FAIL',"$failmsg: $msg ($permid)");
[66]	421	} else {
	422	return ('OK',$permid);
	423	}
	424
[65]	425	} # end changePermissions()
	426
	427
[67]	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
[112]	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
[55]	486	## DNSDB::_log()
	487	# Log an action
	488	# Internal sub
[192]	489	# Takes a database handle, domain_id, user_id, group_id, email, name and log entry
[55]	490	sub _log {
[190]	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
[55]	499	} # end _log
	500
	501
[2]	502	##
	503	## Processing subs
	504	##
	505
	506	## DNSDB::addDomain()
	507	# Add a domain
[190]	508	# Takes a database handle, domain name, numeric group, boolean(ish) state (active/inactive),
	509	# and user info hash (for logging).
[2]	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 $domain = shift;
[91]	516	return ('FAIL',"Domain must not be blank") if !$domain;
[2]	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
[190]	522	my %userinfo = @_; # remaining bits.
	523	# user ID, username, user full name
	524
[116]	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
[190]	532	return ('FAIL', "Invalid characters in domain") if $domain !~ /^[a-zA-Z0-9_.-]+$/;
	533
[38]	534	my $sth = $dbh->prepare("SELECT domain_id FROM domains WHERE domain=?");
[3]	535	my $dom_id;
	536
[38]	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
[2]	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
[192]	548	my $stage = 'insert';
[2]	549	# Wrap all the SQL in a transaction
	550	eval {
	551	# insert the domain...
[190]	552	$dbh->do("INSERT INTO domains (domain,group_id,status) VALUES (?,?,?)", undef, ($domain, $group, $state));
[192]	553	$stage = 'domid';
[2]	554
	555	# get the ID...
[190]	556	($dom_id) = $dbh->selectrow_array("SELECT domain_id FROM domains WHERE domain=?", undef, ($domain));
[2]	557
[192]	558	$stage = 'loginsert';
[190]	559	_log($dbh, $dom_id, $userinfo{id}, $group, $userinfo{name}, $userinfo{fullname},
	560	"Added ".($state ? 'active' : 'inactive')." domain $domain");
	561
[192]	562	$stage = 'getdefrec';
[2]	563	# ... and now we construct the standard records from the default set. NB: group should be variable.
[190]	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);
[3]	568	while (my ($host,$type,$val,$dist,$weight,$port,$ttl) = $sth->fetchrow_array()) {
[2]	569	$host =~ s/DOMAIN/$domain/g;
[37]	570	$val =~ s/DOMAIN/$domain/g;
[3]	571	$sth_in->execute($host,$type,$val,$dist,$weight,$port,$ttl);
[190]	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	}
[2]	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 { $dbh->rollback; };
[192]	594	return ('FAIL',"$msg : $stage");
[2]	595	} else {
[3]	596	return ('OK',$dom_id);
[2]	597	}
	598	} # end addDomain
	599
	600
[3]	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;
[5]	607	my $domid = shift;
[3]	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
[23]	614	my $failmsg = '';
	615
[3]	616	# Wrap all the SQL in a transaction
	617	eval {
[5]	618	my $sth = $dbh->prepare("delete from records where domain_id=?");
[23]	619	$failmsg = "Failure removing domain records";
[5]	620	$sth->execute($domid);
	621	$sth = $dbh->prepare("delete from domains where domain_id=?");
[23]	622	$failmsg = "Failure removing domain";
[5]	623	$sth->execute($domid);
[3]	624
	625	# once we get here, we should have suceeded.
[23]	626	$dbh->commit;
[3]	627	}; # end eval
	628
	629	if ($@) {
	630	my $msg = $@;
	631	eval { $dbh->rollback; };
[23]	632	return ('FAIL',"$failmsg: $msg");
[3]	633	} else {
	634	return ('OK','OK');
	635	}
	636
	637	} # end delDomain()
	638
	639
[2]	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 $domid = shift;
[91]	648	my ($domname) = $dbh->selectrow_array("SELECT domain FROM domains WHERE domain_id=?", undef, ($domid) );
[2]	649	$errstr = $DBI::errstr if !$domname;
	650	return $domname if $domname;
[91]	651	} # end domainName()
[2]	652
	653
[91]	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
[18]	667	## DNSDB::addGroup()
	668	# Add a group
[66]	669	# Takes a database handle, group name, parent group, hashref for permissions,
	670	# and optional template-vs-cloneme flag
[18]	671	# Returns a status code and message
	672	sub addGroup {
	673	$errstr = '';
	674	my $dbh = shift;
[20]	675	my $groupname = shift;
	676	my $pargroup = shift;
[66]	677	my $permissions = shift;
[18]	678
[66]	679	# 0 indicates "custom", hardcoded.
[18]	680	# Any other value clones that group's default records, if it exists.
[66]	681	my $inherit = shift \|\| 0;
	682	##fixme: need a flag to indicate clone records or <?> ?
[18]	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
[38]	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
[18]	698	# Wrap all the SQL in a transaction
	699	eval {
[38]	700	$sth = $dbh->prepare("INSERT INTO groups (parent_group_id,group_name) VALUES (?,?)");
[20]	701	$sth->execute($pargroup,$groupname);
[18]	702
	703	$sth = $dbh->prepare("SELECT group_id FROM groups WHERE group_name=?");
[20]	704	$sth->execute($groupname);
	705	my ($groupid) = $sth->fetchrow_array();
[18]	706
[66]	707	# Permissions
	708	if ($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
[18]	730	$sth = $dbh->prepare("INSERT INTO default_records (group_id,host,type,val,distance,weight,port,ttl) ".
[20]	731	"VALUES ($groupid,?,?,?,?,?,?,?)");
[66]	732	if ($inherit) {
[87]	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.
[18]	735	my $sth2 = $dbh->prepare("SELECT host,type,val,distance,weight,port,ttl FROM default_records WHERE group_id=?");
[87]	736	$sth2->execute($pargroup);
[18]	737	while (my @clonedata = $sth2->fetchrow_array) {
	738	$sth->execute(@clonedata);
	739	}
	740	} else {
[66]	741	##fixme: Hardcoding is Bad, mmmmkaaaay?
[18]	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
[22]	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
[23]	781	# ... or inside, whatever.
[22]	782	# -> domains still exist in group
	783	# -> ...
[23]	784	my $failmsg = '';
[22]	785
	786	# Wrap all the SQL in a transaction
	787	eval {
[23]	788	my $sth = $dbh->prepare("SELECT count(*) FROM domains WHERE group_id=?");
[22]	789	$sth->execute($groupid);
[23]	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);
[22]	797	$sth = $dbh->prepare("delete from groups where group_id=?");
[23]	798	$failmsg = "Failed to remove group ".groupName($dbh,$groupid);
[22]	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 { $dbh->rollback; };
[23]	808	return ('FAIL',"$failmsg: $msg");
[22]	809	} else {
	810	return ('OK','OK');
	811	}
	812	} # end delGroup()
	813
	814
[19]	815	## DNSDB::getChildren()
	816	# Get a list of all groups whose parent^n is group <n>
[24]	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
[19]	820	# Calls itself
	821	sub getChildren {
	822	$errstr = '';
	823	my $dbh = shift;
[20]	824	my $rootgroup = shift;
	825	my $groupdest = shift;
[24]	826	my $immed = shift \|\| 'all';
[19]	827
	828	# special break for default group; otherwise we get stuck.
[20]	829	if ($rootgroup == 1) {
[19]	830	# by definition, group 1 is the Root Of All Groups
[24]	831	my $sth = $dbh->prepare("SELECT group_id FROM groups WHERE NOT (group_id=1)".
	832	($immed ne 'all' ? " AND parent_group_id=1" : ''));
[19]	833	$sth->execute;
	834	while (my @this = $sth->fetchrow_array) {
[20]	835	push @$groupdest, @this;
[19]	836	}
	837	} else {
	838	my $sth = $dbh->prepare("SELECT group_id FROM groups WHERE parent_group_id=?");
[20]	839	$sth->execute($rootgroup);
[19]	840	return if $sth->rows == 0;
[20]	841	my @grouplist;
	842	while (my ($group) = $sth->fetchrow_array) {
	843	push @$groupdest, $group;
[24]	844	getChildren($dbh,$group,$groupdest) if $immed eq 'all';
[19]	845	}
	846	}
	847	} # end getChildren()
	848
	849
[20]	850	## DNSDB::groupName()
[17]	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
[20]	854	sub groupName {
[13]	855	$errstr = '';
	856	my $dbh = shift;
[20]	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
[13]	864
	865
[118]	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
[24]	880	## DNSDB::addUser()
[87]	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)
[90]	893	# Returns (OK,<uid>) on success, (FAIL,<message>) on failure
[24]	894	sub addUser {
	895	$errstr = '';
	896	my $dbh = shift;
	897	my $username = shift;
	898	my $group = shift;
	899	my $pass = shift;
	900	my $state = shift;
[25]	901
[90]	902	return ('FAIL', "Missing one or more required entries") if !defined($state);
	903	return ('FAIL', "Username must not be blank") if !$username;
[87]	904
[25]	905	my $type = shift \|\| 'u'; # create limited users by default - fwiw, not sure yet how this will interact with ACLs
	906
[67]	907	my $permstring = shift \|\| 'i'; # default is to inhert permissions from group
	908
[25]	909	my $fname = shift \|\| $username;
[24]	910	my $lname = shift \|\| '';
[25]	911	my $phone = shift \|\| ''; # not going format-check
[24]	912
[38]	913	my $sth = $dbh->prepare("SELECT user_id FROM users WHERE username=?");
[24]	914	my $user_id;
	915
[38]	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
[24]	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
[94]	927	my $failmsg = '';
	928
[24]	929	# Wrap all the SQL in a transaction
	930	eval {
[87]	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);
[24]	937
	938	# get the ID...
[94]	939	($user_id) = $dbh->selectrow_array("SELECT currval('users_user_id_seq')");
[24]	940
[87]	941	# Permissions! Gotta set'em all!
	942	die "Invalid permission string $permstring"
	943	if $permstring !~ /^(?:
	944	i # inherit
	945	\|c:\d+ # clone
	946	# custom. no, the leading , is not a typo
[111]	947	\|C:(?:,(?:group\|user\|domain\|record\|self)_(?:edit\|create\|delete))*
[87]	948	)$/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
[25]	978	##fixme: add another table to hold name/email for log table?
	979
[24]	980	# once we get here, we should have suceeded.
	981	$dbh->commit;
	982	}; # end eval
	983
	984	if ($@) {
	985	my $msg = $@;
	986	eval { $dbh->rollback; };
[87]	987	return ('FAIL',$msg." $failmsg");
[24]	988	} else {
	989	return ('OK',$user_id);
	990	}
	991	} # end addUser
	992
	993
[55]	994	## DNSDB::checkUser()
	995	# Check user/pass combo on login
	996	sub checkUser {
	997	my $dbh = shift;
	998	my $user = shift;
[56]	999	my $inpass = shift;
[55]	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/.]+)\$\|) {
[56]	1007	$loginfailed = 1 if $pass ne unix_md5_crypt($inpass,$1);
[55]	1008	} else {
[56]	1009	$loginfailed = 1 if $pass ne $inpass;
[55]	1010	}
	1011
	1012	# nnnngggg
	1013	return ($uid, $gid);
	1014	} # end checkUser
	1015
	1016
[83]	1017	## DNSDB:: updateUser()
[90]	1018	# Update general data about user
[83]	1019	sub updateUser {
	1020	my $dbh = shift;
[118]	1021
	1022	##fixme: tweak calling convention so that we can update any given bit of data
[83]	1023	my $uid = shift;
	1024	my $username = shift;
	1025	my $group = shift;
	1026	my $pass = shift;
	1027	my $state = shift;
[87]	1028	my $type = shift \|\| 'u';
[83]	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
[24]	1072	## DNSDB::delUser()
	1073	#
	1074	sub delUser {
[25]	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
[24]	1087	} # end delUser
	1088
	1089
[25]	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
[51]	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
[83]	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
[2]	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
[101]	1171	# (ab)use distance and weight columns to store SOA data
	1172
	1173	my $sql = "SELECT record_id,host,val,ttl,distance from";
[2]	1174	if ($def eq 'def' or $def eq 'y') {
[101]	1175	$sql .= " default_records WHERE group_id=? AND type=$reverse_typemap{SOA}";
[2]	1176	} else {
	1177	# we're editing a live SOA record; find based on domain
[101]	1178	$sql .= " records WHERE domain_id=? AND type=$reverse_typemap{SOA}";
[2]	1179	}
	1180	my $sth = $dbh->prepare($sql);
[101]	1181	$sth->execute($id);
[2]	1182
[121]	1183	my ($recid,$host,$val,$ttl,$serial) = $sth->fetchrow_array() or return;
[2]	1184	my ($prins,$contact) = split /:/, $host;
	1185	my ($refresh,$retry,$expire,$minttl) = split /:/, $val;
	1186
	1187	$ret{recid} = $recid;
	1188	$ret{ttl} = $ttl;
[101]	1189	$ret{serial} = $serial;
[2]	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
[130]	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=?";
[123]	1213	my $ret = $dbh->selectrow_hashref($sql, undef, ($id) );
[2]	1214
[90]	1215	if ($dbh->err) {
[2]	1216	$errstr = $DBI::errstr;
	1217	return undef;
	1218	}
	1219
[123]	1220	if (!$ret) {
	1221	$errstr = "No such record";
	1222	return undef;
	1223	}
	1224
[107]	1225	$ret->{parid} = (($def eq 'def' or $def eq 'y') ? $ret->{group_id} : $ret->{domain_id});
[90]	1226
	1227	return $ret;
[2]	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;
[4]	1242	my $nrecs = shift \|\| 'all';
	1243	my $nstart = shift \|\| 0;
[2]	1244
[4]	1245	## for order, need to map input to column names
	1246	my $order = shift \|\| 'host';
[72]	1247	my $direction = shift \|\| 'ASC';
[4]	1248
[135]	1249	my $filter = shift \|\| '';
	1250
[90]	1251	$type = 'y' if $type eq 'def';
	1252
[130]	1253	my $sql = "SELECT r.record_id,r.host,r.type,r.val,r.distance,r.weight,r.port,r.ttl FROM ";
[90]	1254	$sql .= "default_" if $type eq 'y';
	1255	$sql .= "records r ";
[104]	1256	$sql .= "INNER JOIN rectypes t ON r.type=t.val "; # for sorting by type alphabetically
[90]	1257	if ($type eq 'y') {
	1258	$sql .= "WHERE r.group_id=?";
[2]	1259	} else {
[90]	1260	$sql .= "WHERE r.domain_id=?";
[2]	1261	}
[104]	1262	$sql .= " AND NOT r.type=$reverse_typemap{SOA}";
[160]	1263	$sql .= " AND host ~* ?" if $filter;
[104]	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";
[90]	1266	$sql .= " LIMIT $nrecs OFFSET ".($nstart*$nrecs) if $nstart ne 'all';
[4]	1267
[90]	1268	my $sth = $dbh->prepare($sql) or warn $dbh->errstr;
	1269	$sth->execute($id) or warn "$sql: ".$sth->errstr;
[2]	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
[91]	1281	## DNSDB::getRecCount()
	1282	# Return count of non-SOA records in domain (or default records in a group)
[135]	1283	# Takes a database handle, default/live flag, group/domain ID, and optional filtering modifier
[91]	1284	# Returns the count
	1285	sub getRecCount {
	1286	my $dbh = shift;
	1287	my $defrec = shift;
	1288	my $id = shift;
[135]	1289	my $filter = shift \|\| '';
[91]	1290
[135]	1291	# keep the nasties down, since we can't ?-sub this bit. :/
	1292	# note this is chars allowed in DNS hostnames
	1293	$filter =~ s/[^a-zA-Z0-9_.:-]//g;
	1294
[91]	1295	my ($count) = $dbh->selectrow_array("SELECT count(*) FROM ".
	1296	($defrec eq 'y' ? 'default_' : '')."records ".
	1297	"WHERE ".($defrec eq 'y' ? 'group' : 'domain')."_id=? ".
[135]	1298	"AND NOT type=$reverse_typemap{SOA}".
	1299	($filter ? " AND host ILIKE '%$filter%'" : ''),
	1300	undef, ($id) );
[91]	1301
	1302	return $count;
	1303
	1304	} # end getRecCount()
	1305
	1306
[3]	1307	## DNSDB::addRec()
[2]	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 $ttl = shift;
	1324
[129]	1325	# Validation
[160]	1326	if ($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	}
[129]	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
[2]	1339	my $fields = ($defrec eq 'y' ? 'group_id' : 'domain_id').",host,type,val,ttl";
[24]	1340	my $vallen = "?,?,?,?,?";
	1341	my @vallist = ($id,$host,$rectype,$val,$ttl);
[2]	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";
[24]	1348	$vallen .= ",?";
	1349	push @vallist, $dist;
[2]	1350	}
	1351	my $weight;
	1352	my $port;
	1353	if ($rectype == $reverse_typemap{SRV}) {
[24]	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-]+/;
[2]	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";
[24]	1362	$vallen .= ",?,?";
	1363	push @vallist, ($weight,$port);
[2]	1364	}
	1365
[90]	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;
[2]	1370
[90]	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	}
[2]	1381
	1382	return ('OK','OK');
[90]	1383
[2]	1384	} # end addRec()
	1385
	1386
[16]	1387	## DNSDB::updateRec()
	1388	# Update a record
	1389	sub updateRec {
	1390	$errstr = '';
[17]	1391
[16]	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}) {
[17]	1410	$dist = shift;
	1411	return ('FAIL',"MX or SRV requires distance") if !defined($dist);
[16]	1412	if ($type == $reverse_typemap{SRV}) {
[17]	1413	$weight = shift;
	1414	return ('FAIL',"SRV requires weight") if !defined($weight);
	1415	$port = shift;
	1416	return ('FAIL',"SRV requires port") if !defined($port);
[16]	1417	}
	1418	}
	1419
[90]	1420	local $dbh->{AutoCommit} = 0;
	1421	local $dbh->{RaiseError} = 1;
	1422
	1423	eval {
	1424	$dbh->do("UPDATE ".($defrec eq 'y' ? 'default_' : '')."records ".
[130]	1425	"SET host=?,val=?,type=?,ttl=?,distance=?,weight=?,port=? ".
	1426	"WHERE record_id=?", undef, ($host, $val, $type, $ttl, $dist, $weight, $port, $id) );
	1427	$dbh->commit;
[90]	1428	};
	1429	if ($@) {
	1430	my $msg = $@;
	1431	$dbh->rollback;
	1432	return ('FAIL', $msg);
	1433	}
	1434
[16]	1435	return ('OK','OK');
	1436	} # end updateRec()
	1437
	1438
[3]	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
[62]	1447	my $sth = $dbh->prepare("DELETE FROM ".($defrec eq 'y' ? 'default_' : '')."records WHERE record_id=?");
[3]	1448	$sth->execute($id);
	1449
[23]	1450	return ('FAIL',"Couldn't remove record: ".$sth->errstr) if $sth->err;
[3]	1451
	1452	return ('OK','OK');
	1453	} # end delRec()
	1454
	1455
[117]	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
[116]	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;
[117]	1493	my $depth = shift \|\| 'all'; # valid values: 'all', 'immed', <int> (stop at this group ID)
[116]	1494
[117]	1495	my @parlist;
[116]	1496
[117]	1497	while (1) {
	1498	my $result = $dbh->selectrow_hashref("SELECT $par_col{$type} FROM $par_tbl{$type} WHERE $id_col{$type} = ?",
	1499	undef, ($id) );
[152]	1500	my %tmp = ($result->{$par_col{$type}} => $par_type{$type});
	1501	unshift @parlist, \%tmp;
[117]	1502	last if $result->{$par_col{$type}} == 1; # group 1 is its own parent
[152]	1503	$id = $result->{$par_col{$type}};
[117]	1504	$type = $par_type{$type};
[116]	1505	}
	1506
[117]	1507	return \@parlist;
[116]	1508
	1509	} # end getParents()
	1510
	1511
[117]	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 $type2 = shift;
	1520	##todo: immediate, secondary, full (default)
	1521
[157]	1522	# Return false on invalid types
	1523	return 0 if !grep /^$type1$/, ('record','defrec','user','domain','group');
	1524	return 0 if !grep /^$type2$/, ('record','defrec','user','domain','group');
	1525
[117]	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
[186]	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
[117]	1539	# group 1 is the ultimate root parent
	1540	return 1 if $type1 eq 'group' && $id1 == 1;
	1541
[155]	1542	# groups are always (a) parent of themselves
	1543	return 1 if $type1 eq 'group' && $type2 eq 'group' && $id1 == $id2;
	1544
[117]	1545	# almost the same loop as getParents() above
	1546	my $id = $id2;
	1547	my $type = $type2;
	1548	my $foundparent = 0;
[155]	1549
[186]	1550	my $limiter = 0;
[117]	1551	while (1) {
[155]	1552	my $sql = "SELECT $par_col{$type} FROM $par_tbl{$type} WHERE $id_col{$type} = ?";
[117]	1553	my $result = $dbh->selectrow_hashref($sql,
[157]	1554	undef, ($id) );
[186]	1555	if (!$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 $limiter)\n";
	1559	last;
	1560	}
[157]	1561	if ($result && $result->{$par_col{$type}} == $id1) {
[117]	1562	$foundparent = 1;
	1563	last;
[157]	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;
[117]	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;
[152]	1570	$id = $result->{$par_col{$type}};
[117]	1571	$type = $par_type{$type};
	1572	}
	1573
	1574	return $foundparent;
	1575	} # end isParent()
	1576
	1577
[3]	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
[33]	1609	## DNSDB::importAXFR
	1610	# Import a domain via AXFR
[37]	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.
[33]	1619	sub importAXFR {
	1620	my $dbh = shift;
[35]	1621	my $ifrom_in = shift;
[33]	1622	my $domain = shift;
	1623	my $group = shift;
	1624	my $status = shift \|\| 1;
	1625	my $rwsoa = shift \|\| 0;
	1626	my $rwns = shift \|\| 0;
[37]	1627
[33]	1628	##fixme: add mode to delete&replace, merge+overwrite, merge new?
	1629
[37]	1630	my $nrecs = 0;
	1631	my $soaflag = 0;
	1632	my $nsflag = 0;
	1633	my $warnmsg = '';
	1634	my $ifrom;
[33]	1635
[35]	1636	# choke on possible bad setting in ifrom
[37]	1637	# IPv4 and v6, and valid hostnames!
[35]	1638	($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
[33]	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
[37]	1647	my $sth = $dbh->prepare("SELECT domain_id FROM domains WHERE domain=?");
[34]	1648	my $dom_id;
	1649
[35]	1650	# quick check to start to see if we've already got one
[37]	1651	$sth->execute($domain);
	1652	($dom_id) = $sth->fetchrow_array;
[35]	1653
	1654	return ('FAIL', "Domain already exists") if $dom_id;
	1655
[33]	1656	eval {
	1657	# can't do this, can't nest transactions. sigh.
[35]	1658	#my ($dcode, $dmsg) = addDomain(dbh, domain, group, status);
[33]	1659
	1660	##fixme: serial
[37]	1661	my $sth = $dbh->prepare("INSERT INTO domains (domain,group_id,status) VALUES (?,?,?)");
	1662	$sth->execute($domain,$group,$status);
[33]	1663
[35]	1664	## bizarre DBI<->Net::DNS interaction bug:
	1665	## sometimes a zone will cause an immediate commit-and-exit (sort of) of the while()
[37]	1666	## fixed, apparently I was doing something odd, but not certain what it was that
	1667	## caused a commit instead of barfing
[35]	1668
[33]	1669	# get domain id so we can do the records
[37]	1670	$sth = $dbh->prepare("SELECT domain_id FROM domains WHERE domain=?");
	1671	$sth->execute($domain);
	1672	($dom_id) = $sth->fetchrow_array();
[33]	1673
[34]	1674	my $res = Net::DNS::Resolver->new;
[35]	1675	$res->nameservers($ifrom);
	1676	$res->axfr_start($domain)
	1677	or die "Couldn't begin AXFR\n";
[34]	1678
[35]	1679	while (my $rr = $res->axfr_next()) {
[33]	1680	my $type = $rr->type;
[35]	1681
[34]	1682	my $sql = "INSERT INTO records (domain_id,host,type,ttl,val";
[33]	1683	my $vallen = "?,?,?,?,?";
	1684
[37]	1685	$soaflag = 1 if $type eq 'SOA';
	1686	$nsflag = 1 if $type eq 'NS';
[35]	1687
	1688	my @vallist = ($dom_id, $rr->name, $reverse_typemap{$type}, $rr->ttl);
[34]	1689
	1690	# "Primary" types:
	1691	# A, NS, CNAME, SOA, PTR(warn in forward), MX, TXT, AAAA, SRV, A6(ob), SPF
	1692	# maybe KEY
	1693
[35]	1694	# nasty big ugly case-like thing here, since we have to do some different
	1695	# processing depending on the record. le sigh.
	1696
[105]	1697	##fixme: what record types other than TXT can/will have >255-byte payloads?
	1698
[34]	1699	if ($type eq 'A') {
	1700	push @vallist, $rr->address;
	1701	} elsif ($type eq 'NS') {
[37]	1702	# hmm. should we warn here if subdomain NS'es are left alone?
	1703	next if ($rwns && ($rr->name eq $domain));
[34]	1704	push @vallist, $rr->nsdname;
[35]	1705	$nsflag = 1;
[34]	1706	} elsif ($type eq 'CNAME') {
	1707	push @vallist, $rr->cname;
	1708	} elsif ($type eq 'SOA') {
[37]	1709	next if $rwsoa;
[34]	1710	$vallist[1] = $rr->mname.":".$rr->rname;
	1711	push @vallist, ($rr->refresh.":".$rr->retry.":".$rr->expire.":".$rr->minimum);
[35]	1712	$soaflag = 1;
[34]	1713	} elsif ($type eq 'PTR') {
[105]	1714	push @vallist, $rr->ptrdname;
[34]	1715	# hmm. PTR records should not be in forward zones.
	1716	} elsif ($type eq 'MX') {
[33]	1717	$sql .= ",distance";
	1718	$vallen .= ",?";
[34]	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.
[105]	1724	my $rrdata = $rr->txtdata;
[130]	1725	push @vallist, $rrdata;
[34]	1726	} elsif ($type eq 'SPF') {
	1727	##fixme: and the same caveat here, since it is apparently a clone of ::TXT
[105]	1728	my $rrdata = $rr->txtdata;
[130]	1729	push @vallist, $rrdata;
[34]	1730	} elsif ($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';
[37]	1735	push @vallist, $rr->target;
[34]	1736	push @vallist, $rr->priority;
	1737	push @vallist, $rr->weight;
	1738	push @vallist, $rr->port;
	1739	} elsif ($type eq 'KEY') {
[35]	1740	# we don't actually know what to do with these...
[34]	1741	push @vallist, ($rr->flags.":".$rr->protocol.":".$rr->algorithm.":".$rr->key.":".$rr->keytag.":".$rr->privatekeyname);
[35]	1742	} else {
[105]	1743	my $rrdata = $rr->rdatastr;
[130]	1744	push @vallist, $rrdata;
[35]	1745	# Finding a different record type is not fatal.... just problematic.
[37]	1746	# We may not be able to export it correctly.
[35]	1747	$warnmsg .= "Unusual record ".$rr->name." ($type) found\n";
[33]	1748	}
	1749
[34]	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
[37]	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";
[34]	1762
[37]	1763	$nrecs++;
[34]	1764
[37]	1765	} # while axfr_next
	1766
	1767	# Overwrite SOA record
	1768	if ($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);
[34]	1777	}
[37]	1778	}
[34]	1779
[37]	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	}
[34]	1792
[35]	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
[37]	1797	$dbh->commit;
[35]	1798
[33]	1799	};
	1800
	1801	if ($@) {
	1802	my $msg = $@;
	1803	eval { $dbh->rollback; };
[34]	1804	return ('FAIL',$msg." $warnmsg");
[33]	1805	} else {
[35]	1806	return ('WARN', $warnmsg) if $warnmsg;
[91]	1807	return ('OK',"Imported OK");
[33]	1808	}
	1809
[37]	1810	# it should be impossible to get here.
[34]	1811	return ('WARN',"OOOK!");
[33]	1812	} # end importAXFR()
	1813
	1814
[103]	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
	1835	# Internal sub to implement tinyDNS (compatible) export
	1836	# Takes database handle, filehandle to write export to, optional argument(s)
	1837	# to determine which data gets exported
	1838	sub __export_tiny {
	1839	my $dbh = shift;
	1840	my $datafile = shift;
	1841
	1842	##fixme: slurp up further options to specify particular zone(s) to export
	1843
	1844	## Convert a bare number into an octal-coded pair of octets.
	1845	# Take optional arg to indicate a decimal or hex input. Defaults to hex.
	1846	sub octalize {
	1847	my $tmp = shift;
	1848	my $srctype = shift \|\| 'h'; # default assumes hex string
	1849	$tmp = sprintf "%0.4x", hex($tmp) if $srctype eq 'h'; # 0-pad hex to 4 digits
	1850	$tmp = sprintf "%0.4x", $tmp if $srctype eq 'd'; # 0-pad decimal to 4 hex digits
	1851	my @o = ($tmp =~ /^(..)(..)$/); # split into octets
	1852	return sprintf "\\%0.3o\\%0.3o", hex($o[0]), hex($o[1]);;
	1853	}
	1854
	1855	##fixme: fail if $datafile isn't an open, writable file
	1856
	1857	# easy case - export all evarything
	1858	# not-so-easy case - export item(s) specified
	1859	# todo: figure out what kind of list we use to export items
	1860
	1861	my $domsth = $dbh->prepare("SELECT domain_id,domain,status FROM domains WHERE status=1");
[130]	1862	my $recsth = $dbh->prepare("SELECT host,type,val,distance,weight,port,ttl ".
	1863	"FROM records WHERE domain_id=?");
[103]	1864	$domsth->execute();
	1865	while (my ($domid,$dom,$domstat) = $domsth->fetchrow_array) {
	1866	$recsth->execute($domid);
[130]	1867	while (my ($host,$type,$val,$dist,$weight,$port,$ttl) = $recsth->fetchrow_array) {
[108]	1868	##fixme: need to store location in the db, and retrieve it here.
	1869	# temporarily hardcoded to empty so we can include it further down.
	1870	my $loc = '';
	1871
	1872	##fixme: record validity timestamp. tinydns supports fiddling with timestamps.
	1873	# note $ttl must be set to 0 if we want to use tinydns's auto-expiring timestamps.
	1874	# timestamps are TAI64
	1875	# ~~ 2^62 + time()
	1876	my $stamp = '';
	1877
[103]	1878	# raw packet in unknown format: first byte indicates length
	1879	# of remaining data, allows up to 255 raw bytes
	1880
	1881	##fixme? append . to all host/val hostnames
	1882	if ($typemap{$type} eq 'SOA') {
	1883
	1884	# host contains pri-ns:responsible
	1885	# val is abused to contain refresh:retry:expire:minttl
	1886	##fixme: "manual" serial vs tinydns-autoserial
[108]	1887	print $datafile "Z$host"."::$val:$ttl:$stamp:$loc\n";
[103]	1888
	1889	} elsif ($typemap{$type} eq 'A') {
	1890
[108]	1891	print $datafile "+$host:$val:$ttl:$stamp:$loc\n";
[103]	1892
	1893	} elsif ($typemap{$type} eq 'NS') {
	1894
[108]	1895	print $datafile "\&$host"."::$val:$ttl:$stamp:$loc\n";
[103]	1896
	1897	} elsif ($typemap{$type} eq 'AAAA') {
	1898
	1899	print $datafile ":$host:28:";
	1900	my $altgrp = 0;
	1901	my @altconv;
[108]	1902	# Split in to up to 8 groups of hex digits (allows for IPv6 :: 0-collapsing)
[103]	1903	foreach (split /:/, $val) {
	1904	if (/^$/) {
	1905	# flag blank entry; this is a series of 0's of (currently) unknown length
	1906	$altconv[$altgrp++] = 's';
	1907	} else {
	1908	# call sub to convert 1-4 hex digits to 2 string-rep octal bytes
	1909	$altconv[$altgrp++] = octalize($_)
	1910	}
	1911	}
	1912	foreach my $octet (@altconv) {
	1913	# if not 's', output
	1914	print $datafile $octet unless $octet =~ /^s$/;
	1915	# if 's', output (9-array length)x literal '\000\000'
	1916	print $datafile '\000\000'x(9-$altgrp) if $octet =~ /^s$/;
	1917	}
[108]	1918	print $datafile ":$ttl:$stamp:$loc\n";
[103]	1919
	1920	} elsif ($typemap{$type} eq 'MX') {
	1921
[108]	1922	print $datafile "\@$host"."::$val:$dist:$ttl:$stamp:$loc\n";
[103]	1923
	1924	} elsif ($typemap{$type} eq 'TXT') {
	1925
	1926	##fixme: split v-e-r-y long TXT strings? will need to do so for BIND export, at least
	1927	$val =~ s/:/\\072/g; # may need to replace other symbols
[108]	1928	print $datafile "'$host:$val:$ttl:$stamp:$loc\n";
[103]	1929
	1930	# by-hand TXT
	1931	#:deepnet.cx:16:2v\075spf1\040a\040a\072bacon.deepnet.cx\040a\072home.deepnet.cx\040-all:3600
	1932	#@ IN TXT "v=spf1 a a:bacon.deepnet.cx a:home.deepnet.cx -all"
	1933	#'deepnet.cx:v=spf1 a a\072bacon.deepnet.cx a\072home.deepnet.cx -all:3600
	1934
	1935	#txttest IN TXT "v=foo bar:bob kn;ob' \" !@#$%^&*()-=_+[]{}<>?"
	1936	#:txttest.deepnet.cx:16:\054v\075foo\040bar\072bob\040kn\073ob\047\040\042\040\041\100\043\044\045\136\046\052\050\051-\075\137\053\133\135\173\175\074\076\077:3600
	1937
	1938	# very long TXT record as brought in by axfr-get
	1939	# note tinydns does not support >512-byte RR data, need axfr-dns (for TCP support) for that
	1940	# also note, tinydns does not seem to support <512, >256-byte RRdata from axfr-get either. :/
	1941	#:longtxt.deepnet.cx:16:
	1942	#\170this is a very long txt record. it is really long. long. very long. really very long. this is a very long txt record.
	1943	#\263 it is really long. long. very long. really very long. this is a very long txt record. it is really long. long. very long. really very long. this is a very long txt record.
	1944	#\351 it is really long. long. very long. really very long.this is a very long txt record. it is really long. long. very long. really very long. this is a very long txt record. it is really long. long. very long. really very long.
	1945	#:3600
	1946
	1947	} elsif ($typemap{$type} eq 'CNAME') {
	1948
[108]	1949	print $datafile "C$host:$val:$ttl:$stamp:$loc\n";
[103]	1950
	1951	} elsif ($typemap{$type} eq 'SRV') {
	1952
	1953	# data is two-byte values for priority, weight, port, in that order,
	1954	# followed by length/string data
	1955
	1956	print $datafile ":$host:33:".octalize($dist,'d').octalize($weight,'d').octalize($port,'d');
	1957
	1958	$val .= '.' if $val !~ /\.$/;
	1959	foreach (split /\./, $val) {
	1960	printf $datafile "\\%0.3o%s", length($_), $_;
	1961	}
[108]	1962	print $datafile "\\000:$ttl:$stamp:$loc\n";
[103]	1963
	1964	} elsif ($typemap{$type} eq 'RP') {
	1965
	1966	# RP consists of two mostly free-form strings.
	1967	# The first is supposed to be an email address with @ replaced by . (as with the SOA contact)
	1968	# The second is the "hostname" of a TXT record with more info.
	1969	print $datafile ":$host:17:";
	1970	my ($who,$what) = split /\s/, $val;
	1971	foreach (split /\./, $who) {
	1972	printf $datafile "\\%0.3o%s", length($_), $_;
	1973	}
	1974	print $datafile '\000';
	1975	foreach (split /\./, $what) {
	1976	printf $datafile "\\%0.3o%s", length($_), $_;
	1977	}
[108]	1978	print $datafile "\\000:$ttl:$stamp:$loc\n";
[103]	1979
	1980	} elsif ($typemap{$type} eq 'PTR') {
	1981
	1982	# must handle both IPv4 and IPv6
	1983	##work
[108]	1984	# data should already be in suitable reverse order.
	1985	print $datafile "^$host:$val:$ttl:$stamp:$loc\n";
[103]	1986
[108]	1987	} else {
	1988	# raw record. we don't know what's in here, so we ASS-U-ME the user has
	1989	# put it in correctly, since either the user is messing directly with the
	1990	# database, or the record was imported via AXFR
	1991	# <split by char>
	1992	# convert anything not a-zA-Z0-9.- to octal coding
	1993
	1994	##fixme: add flag to export "unknown" record types - note we'll probably end up
	1995	# mangling them since they were written to the DB from Net::DNS::RR::<type>->rdatastr.
	1996	#print $datafile ":$host:$type:$val:$ttl:$stamp:$loc\n";
	1997
[103]	1998	} # record type if-else
	1999
	2000	} # while ($recsth)
	2001	} # while ($domsth)
	2002	} # end __export_tiny()
	2003
	2004
[2]	2005	# shut Perl up
	2006	1;

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