1 #!/usr/bin/perl -w -I.
2 #
3 # This code is part of GOsa (https://gosa.gonicus.de)
4 # Copyright (C) 2007 Frank Moeller
5 #
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
10 #
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
15 #
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 use strict;
21 use IMAP::Sieve;
22 use XML::Simple;
23 use Data::Dumper;
24 use Net::LDAP;
25 use utf8;
26 use Getopt::Std;
27 use vars qw/ %opt /;
29 #
30 # Definitions
31 #
32 my $gosa_config = "/etc/gosa/gosa.conf";
33 my $opt_string = 'l:h';
34 my $location = "";
35 my $today = time ();
36 # default mailMethod = kolab
37 my $server_attribute = "kolabHomeServer";
38 my $alternate_address_attribute = "alias";
39 my $gosa_sieve_script_name = "gosa";
40 my $simple_bind_dn = "";
41 my $simple_bind_dn_pwd = "";
42 my $gosa_sieve_script_status = "FALSE";
43 my $sieve_vacation = "";
44 my $gosa_sieve_spam_header = "Sort mails with higher spam level";
46 #
47 # Templates
48 #
49 my $gosa_sieve_header = "\#\#\#GOSA\nrequire\ \[\"fileinto\",\ \"reject\",\ \"vacation\"\]\;\n\n";
50 my $vacation_header_template = "\# Begin vacation message";
51 my $vacation_footer_template = "\# End vacation message";
53 #
54 # Usage
55 #
56 sub usage {
57 die "Usage:\nperl $0 [option]\n\n\tOptions:\n\t\t-l <\"location name\">\tuse special location\n\t\t-h\t\t\tthis help \n";
58 }
60 #
61 # Config import
62 #
63 sub read_config {
64 my $input = shift || die "need config file: $!";
65 my $stream = "";
66 open ( FILE, "< $input" ) or die "Error opening file $input: $! \n";
67 {
68 local $/ = undef;
69 $stream = <FILE>;
70 }
71 close ( FILE );
72 return $stream;
73 }
75 #
76 # XML parser
77 #
78 sub parseconfig {
79 my $c_location = shift;
80 my $xmldata = shift;
81 chomp $c_location;
82 chomp $xmldata;
83 my $data = $xmldata;
84 my $xml = new XML::Simple ();
85 my $c_data = $xml -> XMLin( $xmldata);
86 my $config = {};
87 my $server;
88 my $config_base;
89 my $ldap_admin;
90 my $ldap_admin_pwd;
91 my $mailMethod;
92 if ( ! ( ref($c_data->{main}->{location}->{server}) ) ) {
93 $server = $c_data->{main}->{location}->{server};
94 $config_base = $c_data->{main}->{location}->{config};
95 $ldap_admin = $c_data->{main}->{location}->{referral}->{admin};
96 $ldap_admin_pwd = $c_data->{main}->{location}->{referral}->{password};
97 $mailMethod = $c_data->{main}->{location}->{mailMethod};
98 } else {
99 $server = $c_data->{main}->{location}->{$c_location}->{server};
100 $config_base = $c_data->{main}->{location}->{$c_location}->{config};
101 $ldap_admin = $c_data->{main}->{location}->{$c_location}->{referral}->{admin};
102 $ldap_admin_pwd = $c_data->{main}->{location}->{$c_location}->{referral}->{password};
103 $mailMethod = $c_data->{main}->{location}->{$c_location}->{mailMethod};
104 }
105 $config->{server} = $server;
106 $config->{config_base} = $config_base;
107 $config->{mailMethod} = $mailMethod;
108 $config->{ldap_admin} = $ldap_admin;
109 $config->{ldap_admin_pwd} = $ldap_admin_pwd;
111 return $config;
112 }
114 #
115 # Get default location
116 #
117 sub get_default_location {
118 my $xmldata = shift;
119 my $xml = new XML::Simple ( RootName=>'conf' );
120 my $c_data = $xml -> XMLin( $xmldata );
121 my $default = $c_data->{main}->{default};
123 return $default;
124 }
126 #
127 # LDAP error handling
128 #
129 sub ldap_error {
130 my ($from, $mesg) = @_;
131 print "Return code: ", $mesg->code;
132 print "\tMessage: ", $mesg->error_name;
133 print " :", $mesg->error_text;
134 print "MessageID: ", $mesg->mesg_id;
135 print "\tDN: ", $mesg->dn;
136 }
139 #
140 # LDAP search
141 #
142 sub ldap_search {
143 my $url = shift;
144 my $searchString = shift;
145 my $scope = shift;
146 my $base = shift;
147 my $attrs = shift;
148 my $bind_dn = shift;
149 my $bind_dn_pwd = shift;
151 if ( $base eq "NULL" ) {
152 $base = "";
153 }
154 my $ldap = Net::LDAP->new( $url ) or die "$@";
155 if ( ( ! ( $bind_dn ) ) || ( ! ( $bind_dn_pwd ) ) ) {
156 $ldap->bind;
157 } else {
158 $ldap->bind ( $bind_dn, password => $bind_dn_pwd );
159 }
161 my $result = $ldap->search ( base => "$base",
162 scope => "$scope",
163 filter => "$searchString",
164 attrs => $attrs
165 );
166 if ( $result->code ) {
167 ldap_error ( "Searching", $result );
168 }
170 $ldap->unbind;
172 return $result;
173 }
175 #
176 # Retrieve LDAP base
177 #
178 sub get_ldap_base {
179 my $url = shift;
180 my $config_base = shift;
181 my $bind_dn = shift;
182 my $bind_dn_pwd = shift;
183 my $filter = "(objectClass=*)";
184 my $init_base = "NULL";
185 my $scope = "base";
186 my $attributes = [ 'namingcontexts' ];
187 my $entry = {};
188 my $base = "";
190 $config_base =~ s/\,\ +/\,/g;
191 #print $url."\n";
192 #print $config_base."\n";
193 my $result = ldap_search ( $url, $filter, $scope, $init_base, $attributes, $bind_dn, $bind_dn_pwd );
194 my @entries = $result->entries;
195 my $noe = @entries;
196 #print $noe."\n";
197 foreach $entry ( @entries ) {
198 my $tmp = $entry->get_value ( 'namingcontexts' );
199 #print $tmp."\n";
200 $tmp =~ s/\,\ +/\,/g;
201 if ( $config_base =~ m/$tmp/ ) {
202 $base = $entry->get_value ( 'namingcontexts' );
203 }
204 }
206 return $base;
207 }
209 #
210 # SIEVE functions
211 #
212 sub opensieve {
213 my $admin = shift;
214 my $pass = shift;
215 my $user = shift;
216 my $server = shift;
217 my $port = shift;
219 #print ( "##### Proxy => $user, Server => $server, Login => $admin, Password => $pass, Port => $port ####\n" );
221 my $sieve = IMAP::Sieve->new ( 'Proxy' => $user, 'Server' => $server, 'Login' => $admin, 'Password' => $pass, 'Port' => $port );
222 return $sieve;
223 }
225 sub closesieve {
226 my $sieve = shift;
228 if ($sieve) {$sieve->close};
229 }
231 sub listscripts {
232 my $sieve = shift;
234 my @scripts = $sieve->listscripts;
235 my $script_list = join("\n",@scripts)."\n";
236 return $script_list;
237 }
239 sub getscript {
240 my $sieve = shift;
241 my $script = shift;
242 my $scriptfile;
243 chomp $script;
244 #print "$sieve\n";
245 #print "$script\n";
247 $scriptfile = $sieve->getscript($script);
248 return $scriptfile;
249 }
251 sub putscript {
252 my $sieve = shift;
253 my $scriptname = shift;
254 my $script = shift;
255 #print "$sieve\n";
256 #print "$scriptname\n";
257 #print "$script\n";
259 my $res=$sieve->putscript($scriptname,$script);
260 if ($res) {print $sieve->{'Error'}}
261 return;
262 }
264 sub setactive {
265 my $sieve = shift;
266 my $script = shift;
268 my $res=$sieve->setactive($script);
269 if ($res) { print $sieve->{'Error'};}
270 return;
271 }
273 #
274 # main ()
275 #
276 # read options
277 getopts( "$opt_string", \%opt );
279 # read GOsa config
280 my $input_stream = read_config ( $gosa_config );
282 # get location
283 if ( $opt{l} ) {
284 $location = $opt{l};
285 } elsif ( $opt{h} ) {
286 usage ();
287 exit (0);
288 } else {
289 $location = get_default_location ( $input_stream );
290 }
291 #print "$location\n";
293 # parse config
294 my $config = parseconfig ( $location, $input_stream );
295 my $ldap_url = $config->{server};
296 my $gosa_config_base = $config->{config_base};
297 my $bind_dn = $config->{ldap_admin};
298 my $bind_dn_pwd = $config->{ldap_admin_pwd};
299 my $mailMethod = $config->{mailMethod};
300 utf8::encode($ldap_url);
301 utf8::encode($gosa_config_base);
302 utf8::encode($mailMethod);
304 if ( $mailMethod =~ m/cyrus/i ) {
305 my $server_attribute = "gosaMailServer";
306 my $alternate_address_attribute = "gosaMailAlternateAddress";
307 }
309 # determine LDAP base
310 my $ldap_base = get_ldap_base ( $ldap_url, $gosa_config_base, $simple_bind_dn, $simple_bind_dn_pwd );
312 # retrieve user informations with activated vacation feature
313 my $filter = "(&(objectClass=gosaMailAccount)(gosaMailDeliveryMode=*V*)(!(gosaMailDeliveryMode=*C*)))";
314 my $list_of_attributes = [ 'uid', 'mail', $alternate_address_attribute, 'gosaVacationMessage', 'gosaVacationStart', 'gosaVacationStop', $server_attribute ];
315 my $search_scope = "sub";
316 my $result = ldap_search ( $ldap_url, $filter, $search_scope, $ldap_base, $list_of_attributes, $simple_bind_dn, $simple_bind_dn_pwd );
318 my @entries = $result->entries;
319 my $entry = {};
320 foreach $entry ( @entries ) {
321 my $uid_v = $entry->get_value ( 'uid' );
322 my $mail_v = $entry->get_value ( 'mail' );
323 my @mailalternate = $entry->get_value ( $alternate_address_attribute );
324 my $vacation = $entry->get_value ( 'gosaVacationMessage' );
325 my $start_v = $entry->get_value ( 'gosaVacationStart' );
326 my $stop_v = $entry->get_value ( 'gosaVacationStop' );
327 my $server_v = $entry->get_value ( $server_attribute );
328 if ( ! ( $uid_v ) ) {
329 $uid_v = "";
330 }
331 if ( ! ( $mail_v ) ) {
332 $mail_v = "";
333 }
334 my @mailAddress = ($mail_v);
335 my $alias = "";
336 foreach $alias ( @mailalternate ) {
337 push @mailAddress, $alias;
338 }
339 my $addresses = "";
340 foreach $alias ( @mailAddress ) {
341 $addresses .= "\"" . $alias . "\", ";
342 }
343 $addresses =~ s/\ *$//;
344 $addresses =~ s/\,$//;
345 if ( ! ( $vacation ) ) {
346 $vacation = "";
347 }
348 if ( ! ( $start_v ) ) {
349 $start_v = 0;
350 }
351 if ( ! ( $stop_v ) ) {
352 $stop_v = 0;
353 }
354 if ( ! ( $server_v ) ) {
355 $server_v = "";
356 next;
357 }
358 #print $uid_v . " | " .
359 # $addresses . " | " .
360 # "\n";
362 my ($sieve_user, $tmp) = split ( /\@/, $mail_v );
364 if ( ( $today >= $start_v ) && ( $today < $stop_v ) ) {
365 print "activating vacation for user $uid_v\n";
367 my $srv_filter = "(&(goImapName=$server_v)(objectClass=goImapServer))";
368 my $srv_list_of_attributes = [ 'goImapSieveServer', 'goImapSievePort', 'goImapAdmin', 'goImapPassword' ];
369 my $srv_result = ldap_search ( $ldap_url, $srv_filter, $search_scope, $ldap_base, $srv_list_of_attributes, $bind_dn, $bind_dn_pwd );
370 my @srv_entries = $srv_result->entries;
371 my $srv_entry = {};
372 my $noe = @srv_entries;
373 if ( $noe == 0 ) {
374 printf STDERR "Error: no $server_attribute defined! Aboarting...";
375 } elsif ( $noe > 1 ) {
376 printf STDERR "Error: multiple $server_attribute defined! Aboarting...";
377 } else {
378 my $goImapSieveServer = $srv_entries[0]->get_value ( 'goImapSieveServer' );
379 my $goImapSievePort = $srv_entries[0]->get_value ( 'goImapSievePort' );
380 my $goImapAdmin = $srv_entries[0]->get_value ( 'goImapAdmin' );
381 my $goImapPassword = $srv_entries[0]->get_value ( 'goImapPassword' );
382 if ( ( $goImapSieveServer ) && ( $goImapSievePort ) && ( $goImapAdmin ) && ( $goImapPassword ) ) {
383 my $sieve = opensieve ( $goImapAdmin, $goImapPassword, $sieve_user, $goImapSieveServer, $goImapSievePort);
384 my @sieve_scripts = listscripts ( $sieve );
385 my $script_name = "";
386 if ( @sieve_scripts ) {
387 foreach $script_name ( @sieve_scripts ) {
388 if ( $script_name =~ m/$gosa_sieve_script_name/ ) {
389 $gosa_sieve_script_status = "TRUE";
390 }
391 }
392 if ( $gosa_sieve_script_status eq "TRUE" ) {
393 print "retrieving and modifying gosa sieve script\n";
394 # requirements
395 my $sieve_script = getscript( $sieve, $gosa_sieve_script_name );
396 #print "$sieve_script\n";
397 if ( ! ( $sieve_script ) ) {
398 print "No Sieve Script! Creating New One!\n";
399 $sieve_script = $gosa_sieve_header;
400 }
401 if ( $sieve_script =~ m/require.*\[.*["|'] *vacation *["|'].*\]/ ) {
402 print "require vacation ok\n";
403 } else {
404 print "require vacation not ok\n";
405 print "modifying require statement\n";
406 $sieve_script =~ s/require(.*\[.*)\]/require$1\, "vacation"\]/;
407 }
408 if ( ! ( $sieve_script =~ m/$vacation_header_template/ ) ) {
409 print "no match header template\n";
410 $sieve_vacation = $vacation_header_template .
411 "\n" .
412 "vacation :addresses [$addresses]\n" .
413 "\"" .
414 $vacation .
415 "\n\"\;" .
416 "\n" .
417 $vacation_footer_template .
418 "\n\n";
419 }
420 #print ( "$sieve_vacation\n" );
421 #print ( "$sieve_script\n" );
422 # including vacation message
423 if ( $sieve_script =~ m/$gosa_sieve_spam_header/ ) {
424 #print "MATCH\n";
425 $sieve_script =~ s/($gosa_sieve_spam_header[^{}]*{[^{}]*})/$1\n\n$sieve_vacation/;
426 } else {
427 $sieve_script =~ s/require(.*\[.*\])/require$1\n\n$sieve_vacation/;
428 }
429 #print ( "START SIEVE $sieve_script\nSTOP SIEVE" );
430 # uploading new sieve script
431 putscript( $sieve, $gosa_sieve_script_name, $sieve_script );
432 # activating new sieve script
433 setactive( $sieve, $gosa_sieve_script_name );
434 } else {
435 print "no gosa script available, creating new one";
436 my $sieve_script = $gosa_sieve_header . "\n\n" . $sieve_vacation;
437 # uploading new sieve script
438 putscript( $sieve, $gosa_sieve_script_name, $sieve_script );
439 # activating new sieve script
440 setactive( $sieve, $gosa_sieve_script_name );
441 }
442 }
443 }
444 }
445 } elsif ( $today >= $stop_v ) {
446 print "deactivating vacation for user $uid_v\n";
448 my $srv_filter = "(&(goImapName=$server_v)(objectClass=goImapServer))";
449 my $srv_list_of_attributes = [ 'goImapSieveServer', 'goImapSievePort', 'goImapAdmin', 'goImapPassword' ];
450 my $srv_result = ldap_search ( $ldap_url, $srv_filter, $search_scope, $ldap_base, $srv_list_of_attributes, $bind_dn, $bind_dn_pwd );
451 my @srv_entries = $srv_result->entries;
452 my $srv_entry = {};
453 my $noe = @srv_entries;
454 if ( $noe == 0 ) {
455 printf STDERR "Error: no $server_attribute defined! Aboarting...";
456 } elsif ( $noe > 1 ) {
457 printf STDERR "Error: multiple $server_attribute defined! Aboarting...";
458 } else {
459 my $goImapSieveServer = $srv_entries[0]->get_value ( 'goImapSieveServer' );
460 my $goImapSievePort = $srv_entries[0]->get_value ( 'goImapSievePort' );
461 my $goImapAdmin = $srv_entries[0]->get_value ( 'goImapAdmin' );
462 my $goImapPassword = $srv_entries[0]->get_value ( 'goImapPassword' );
463 if ( ( $goImapSieveServer ) && ( $goImapSievePort ) && ( $goImapAdmin ) && ( $goImapPassword ) ) {
464 my $sieve = opensieve ( $goImapAdmin, $goImapPassword, $sieve_user, $goImapSieveServer, $goImapSievePort);
465 my @sieve_scripts = listscripts ( $sieve );
466 my $script_name = "";
467 if ( @sieve_scripts ) {
468 foreach $script_name ( @sieve_scripts ) {
469 if ( $script_name =~ m/$gosa_sieve_script_name/ ) {
470 $gosa_sieve_script_status = "TRUE";
471 }
472 }
473 if ( $gosa_sieve_script_status eq "TRUE" ) {
474 # removing vacation part
475 my $sieve_script = getscript( $sieve, $gosa_sieve_script_name );
476 if ( $sieve_script ) {
477 #print "OLD SIEVE SCRIPT:\n$sieve_script\n\n";
478 $sieve_script =~ s/$vacation_header_template[^#]*$vacation_footer_template//;
479 #print "NEW SIEVE SCRIPT:\n$sieve_script\n\n";
480 # uploading new sieve script
481 putscript( $sieve, $gosa_sieve_script_name, $sieve_script );
482 # activating new sieve script
483 setactive( $sieve, $gosa_sieve_script_name );
484 }
485 }
486 }
487 }
488 }
489 } else {
490 print "no vacation process necessary\n";
491 }
492 }