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package LDAP::Koha; |
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|
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use strict; |
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use warnings; |
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|
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use lib '../lib'; |
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|
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use Net::LDAP::Constant qw(LDAP_SUCCESS); |
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use Net::LDAP::Server; |
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use base 'Net::LDAP::Server'; |
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use fields qw(); |
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|
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use DBI; |
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use File::Slurp; |
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|
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use Data::Dump qw/dump/; |
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|
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my $debug = 0; # XXX very slow |
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|
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# XXX test with: |
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# |
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# ldapsearch -h localhost -p 2389 -b dc=ffzg,dc=hr -x 'otherPager=200903160021' |
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# |
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|
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our $dsn = 'DBI:mysql:dbname='; |
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our $database = 'koha'; |
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our $user = 'unconfigured-user'; |
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our $passwd = 'unconfigured-password'; |
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|
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our $max_results = $ENV{MAX_RESULTS} || 3000; # FIXME must be enough for all users |
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our $objectclass_default = 'hrEduPerson'; |
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|
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our $objectclass; |
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|
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$SIG{__DIE__} = sub { |
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warn "!!! DIE ", @_; |
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die @_; |
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}; |
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|
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require 'config.pl' if -e 'config.pl'; |
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|
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my $dbh = DBI->connect($dsn . $database, $user,$passwd, { RaiseError => 1, AutoCommit => 1 }) || die $DBI::errstr; |
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|
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# we need reverse LDAP -> SQL mapping for where clause |
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|
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my $ldap_sql_mapping = { |
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'uid' => 'userid', |
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'objectGUID' => 'borrowernumber', |
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'displayName' => 'surname', |
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'sn' => 'surname', |
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'pager' => 'a.attribute', # was: rfid_sid |
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}; |
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|
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sub __sql_column { |
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my $name = shift; |
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$ldap_sql_mapping->{$name} || $name; |
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} |
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|
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use constant RESULT_OK => { |
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'matchedDN' => '', |
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'errorMessage' => '', |
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'resultCode' => LDAP_SUCCESS |
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}; |
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|
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# constructor |
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sub new { |
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my ($class, $sock) = @_; |
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my $self = $class->SUPER::new($sock); |
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print "connection from: ", $sock->peerhost(), "\n"; |
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return $self; |
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} |
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|
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# the bind operation |
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sub bind { |
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my $self = shift; |
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my $reqData = shift; |
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warn "# bind ",dump($reqData); |
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return RESULT_OK; |
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} |
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|
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our @values; |
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our @limits; |
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|
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sub __ldap_search_to_sql { |
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my ( $how, $what ) = @_; |
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warn "### __ldap_search_to_sql $how ",dump( $what ),"\n"; |
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if ( $how eq 'equalityMatch' && defined $what ) { |
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my $name = $what->{attributeDesc} || warn "ERROR: no attributeDesc?"; |
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my $value = $what->{assertionValue} || warn "ERROR: no assertionValue?"; |
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|
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if ( lc $name eq 'objectclass' ) { |
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$objectclass = $value; |
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} else { |
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push @limits, __sql_column($name) . ' = ?'; |
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push @values, $value; |
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} |
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} elsif ( $how eq 'substrings' ) { |
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foreach my $substring ( @{ $what->{substrings} } ) { |
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my $name = $what->{type} || warn "ERROR: no type?"; |
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while ( my($op,$value) = each %$substring ) { |
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push @limits, __sql_column($name) . ' LIKE ?'; |
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if ( $op eq 'any' ) { |
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$value = '%' . $value . '%'; |
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} else { |
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warn "UNSUPPORTED: op $op - using plain $value"; |
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} |
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push @values, $value; |
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} |
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} |
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} elsif ( $how eq 'present' ) { |
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my $name = __sql_column( $what ); |
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push @limits, "$name IS NOT NULL and length($name) > 1"; |
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## XXX length(foo) > 1 to avoid empty " " strings |
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} else { |
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warn "UNSUPPORTED: $how ",dump( $what ); |
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} |
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} |
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|
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|
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# my ( $dn,$attributes ) = _dn_attributes( $row, $base ); |
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|
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sub _dn_attributes { |
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my ($row,$base) = @_; |
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|
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warn "## row = ",dump( $row ) if $debug; |
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|
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die "no objectClass column in ",dump( $row ) unless defined $row->{objectClass}; |
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|
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$row->{objectClass} = [ split(/\s+/, $row->{objectClass}) ] if $row->{objectClass} =~ m{\n}; |
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|
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warn "## row = ",dump( $row ) if $debug; |
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|
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my $dn = delete( $row->{dn} ) || die "no dn in ",dump( $row ); |
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|
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# this does some sanity cleanup for our data |
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# my $base_as_domain = $base; |
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# $base_as_domain =~ s{dn=}{.}; |
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# $base_as_domain =~ s{^\.}{@}; |
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# $dn =~ s{$base_as_domain$}{}; |
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# |
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# $dn .= ',' . $base unless $dn =~ m{,}; # add base if none present |
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|
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return ($dn, $row); |
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} |
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|
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|
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# the search operation |
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sub search { |
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my $self = shift; |
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my $reqData = shift; |
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print "searching...\n"; |
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|
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warn "# " . localtime() . " request = ", dump($reqData); |
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|
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my $base = $reqData->{'baseObject'}; # FIXME use it? |
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|
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my @entries; |
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if ( $reqData->{'filter'} ) { |
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|
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my $sql_where = ''; |
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@values = (); |
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$objectclass = ''; |
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|
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foreach my $filter ( keys %{ $reqData->{'filter'} } ) { |
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|
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warn "## filter $filter ", dump( $reqData->{'filter'}->{ $filter } ), "\n"; |
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|
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@limits = (); |
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|
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if ( ref $reqData->{'filter'}->{ $filter } eq 'ARRAY' ) { |
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|
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foreach my $filter ( @{ $reqData->{'filter'}->{ $filter } } ) { |
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warn "### filter ",dump($filter),$/; |
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foreach my $how ( keys %$filter ) { |
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if ( $how eq 'or' ) { |
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__ldap_search_to_sql( %$_ ) foreach ( @{ $filter->{$how} } ); |
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} else { |
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__ldap_search_to_sql( $how, $filter->{$how} ); |
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} |
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warn "## limits ",dump(@limits), " values ",dump(@values); |
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} |
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} |
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|
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} else { |
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__ldap_search_to_sql( $filter, $reqData->{'filter'}->{$filter} ); |
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} |
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|
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$sql_where .= ' ' . join( " $filter ", @limits ) if @limits; |
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|
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} |
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|
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$objectclass ||= $objectclass_default; |
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|
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my $sql_select = read_file( lc "sql/$objectclass.sql" ); |
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if ( $sql_where ) { |
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if ( $sql_select !~ m{where}i ) { |
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$sql_where = " where $sql_where"; |
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} else { |
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$sql_where = " and $sql_where"; |
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} |
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} |
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|
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|
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my $sql |
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= $sql_select |
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. $sql_where |
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# . ( $objectclass =~ m{person}i ? " LIMIT $max_results" : '' ) # add limit just for persons |
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; |
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|
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warn "# SQL:\n$sql\n# DATA: ",dump( @values ); |
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my $sth = $dbh->prepare( $sql ); |
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$sth->execute( @values ); |
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|
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warn "# ", $sth->rows, " results for ",dump( $reqData->{'filter'} ); |
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|
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my $last_dn = '?'; |
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my $entry; |
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|
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while (my $row = $sth->fetchrow_hashref) { |
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|
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my ( $dn, $attributes ) = _dn_attributes( $row, $base ); |
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|
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warn "# dn $last_dn ... $dn\n"; |
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|
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if ( $dn ne $last_dn ) { |
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|
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if ( $entry ) { |
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#$entry->changetype( 'modify' ); |
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warn "### entry ",$entry->dump( \*STDERR ); |
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push @entries, $entry; |
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undef $entry; |
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} |
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|
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$dn =~ s{@[^,]+}{}; |
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|
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$entry = Net::LDAP::Entry->new; |
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$entry->dn( $dn ); |
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|
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$entry->add( %$attributes ); |
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|
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} else { |
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foreach my $n ( keys %$attributes ) { |
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my $v = $attributes->{$n}; |
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warn "# attr $n = $v\n"; |
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$entry->add( $n, $v ) if $entry->get_value( $n ) ne $v; |
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} |
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} |
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|
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|
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$last_dn = $dn; |
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|
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} |
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|
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if ( $entry ) { |
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warn "### last entry ",$entry->dump( \*STDERR ); |
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push @entries, $entry; |
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} |
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|
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} else { |
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warn "UNKNOWN request: ",dump( $reqData ); |
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} |
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|
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return RESULT_OK, @entries; |
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} |
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|
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# the rest of the operations will return an "unwilling to perform" |
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|
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1; |