summaryrefslogtreecommitdiffstats
path: root/process_bug.cgi
blob: fbcac44a8c922235a7de83780151140321bf8233 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
#!/usr/bonsaitools/bin/perl -w
# -*- Mode: perl; indent-tabs-mode: nil -*-
#
# The contents of this file are subject to the Mozilla Public
# License Version 1.1 (the "License"); you may not use this file
# except in compliance with the License. You may obtain a copy of
# the License at http://www.mozilla.org/MPL/
#
# Software distributed under the License is distributed on an "AS
# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
# implied. See the License for the specific language governing
# rights and limitations under the License.
#
# The Original Code is the Bugzilla Bug Tracking System.
#
# The Initial Developer of the Original Code is Netscape Communications
# Corporation. Portions created by Netscape are
# Copyright (C) 1998 Netscape Communications Corporation. All
# Rights Reserved.
#
# Contributor(s): Terry Weissman <terry@mozilla.org>
#                 Dan Mosedale <dmose@mozilla.org>
#                 Dave Miller <dave@intrec.com>

use diagnostics;
use strict;

my $UserInEditGroupSet = -1;
my $UserInCanConfirmGroupSet = -1;

require "CGI.pl";
use RelationSet;

# Shut up misguided -w warnings about "used only once":

use vars %::versions,
    %::components,
    %::COOKIE,
    %::MFORM,
    %::legal_keywords,
    %::legal_opsys,
    %::legal_platform,
    %::legal_priority,
    %::target_milestone,
    %::legal_severity;

my $whoid = confirm_login();

my $requiremilestone = 0;

print "Content-type: text/html\n\n";

PutHeader ("Bug processed");

GetVersionTable();

if ( Param("strictvaluechecks") ) {
    CheckFormFieldDefined(\%::FORM, 'product');
    CheckFormFieldDefined(\%::FORM, 'version');
    CheckFormFieldDefined(\%::FORM, 'component');

    # check if target milestone is defined - matthew@zeroknowledge.com
    if ( Param("usetargetmilestone") ) {
        CheckFormFieldDefined(\%::FORM, 'target_milestone');
    }
}

if ($::FORM{'product'} ne $::dontchange) {
    if ( Param("strictvaluechecks") ) {
        CheckFormField(\%::FORM, 'product', \@::legal_product);
    }
    my $prod = $::FORM{'product'};

    # note that when this script is called from buglist.cgi (rather
    # than show_bug.cgi), it's possible that the product will be changed
    # but that the version and/or component will be set to 
    # "--dont_change--" but still happen to be correct.  in this case,
    # the if statement will incorrectly trigger anyway.  this is a 
    # pretty weird case, and not terribly unreasonable behavior, but 
    # worthy of a comment, perhaps.
    #
    my $vok = lsearch($::versions{$prod}, $::FORM{'version'}) >= 0;
    my $cok = lsearch($::components{$prod}, $::FORM{'component'}) >= 0;

    my $mok = 1;   # so it won't affect the 'if' statement if milestones aren't used
    if ( Param("usetargetmilestone") ) {
       $mok = lsearch($::target_milestone{$prod}, $::FORM{'target_milestone'}) >= 0;
    }

    if (!$vok || !$cok || !$mok) {
        print "<H1>Changing product means changing version, target milestone and component.</H1>\n";
        print "You have chosen a new product, and now the version, target milestone and/or\n";
        print "component fields are not correct.  (Or, possibly, the bug did\n";
        print "not have a valid target milestone, component or version field in the first place.)\n";
        print "Anyway, please set the version, target milestone and component now.<p>\n";
        print "<form>\n";
        print "<table>\n";
        print "<tr>\n";
        print "<td align=right><b>Product:</b></td>\n";
        print "<td>$prod</td>\n";
        print "</tr><tr>\n";
        print "<td align=right><b>Version:</b></td>\n";
        print "<td>" . Version_element($::FORM{'version'}, $prod) . "</td>\n";
        print "</tr><tr>\n";

        if ( Param("usetargetmilestone") ) {
            print "<td align=right><b>Target Milestone:</b></td>\n";
            print "<td>" . Milestone_element($::FORM{'target_milestone'}, $prod) . "</td>\n";
            print "</tr><tr>\n";
        }

        print "<td align=right><b>Component:</b></td>\n";
        print "<td>" . Component_element($::FORM{'component'}, $prod) . "</td>\n";
        print "</tr>\n";
        print "</table>\n";
        foreach my $i (keys %::FORM) {
            if ($i ne 'version' && $i ne 'component' && $i ne 'target_milestone') {
                print "<input type=hidden name=$i value=\"" .
                value_quote($::FORM{$i}) . "\">\n";
            }
        }
        print "<input type=submit value=Commit>\n";
        print "</form>\n";
        print "</hr>\n";
        print "<a href=query.cgi>Cancel all this and go to the query page.</a>\n";
        PutFooter();
        exit;
    }
}


# Checks that the user is allowed to change the given field.  Actually, right
# now, the rules are pretty simple, and don't look at the field itself very
# much, but that could be enhanced.

my $lastbugid = 0;
my $ownerid;
my $reporterid;
my $qacontactid;

sub CheckCanChangeField {
    my ($f, $bugid, $oldvalue, $newvalue) = (@_);
    if ($f eq "assigned_to" || $f eq "reporter" || $f eq "qa_contact") {
        if ($oldvalue =~ /^\d+$/) {
            if ($oldvalue == 0) {
                $oldvalue = "";
            } else {
                $oldvalue = DBID_to_name($oldvalue);
            }
        }
    }
    if ($oldvalue eq $newvalue) {
        return 1;
    }
    if (trim($oldvalue) eq trim($newvalue)) {
        return 1;
    }
    if ($f =~ /^longdesc/) {
        return 1;
    }
    if ($UserInEditGroupSet < 0) {
        $UserInEditGroupSet = UserInGroup("editbugs");
    }
    if ($UserInEditGroupSet) {
        return 1;
    }
    if ($lastbugid != $bugid) {
        SendSQL("SELECT reporter, assigned_to, qa_contact FROM bugs " .
                "WHERE bug_id = $bugid");
        ($reporterid, $ownerid, $qacontactid) = (FetchSQLData());
    }
    # Let reporter change bug status, even if they can't edit bugs.
    # If reporter can't re-open their bug they will just file a duplicate.
    # While we're at it, let them close their own bugs as well.
    if ( ($f eq "bug_status") && ($whoid eq $reporterid) ) {
        return 1;
    }
    if ($f eq "bug_status" && $newvalue ne $::unconfirmedstate &&
        IsOpenedState($newvalue)) {

        # Hmm.  They are trying to set this bug to some opened state
        # that isn't the UNCONFIRMED state.  Are they in the right
        # group?  Or, has it ever been confirmed?  If not, then this
        # isn't legal.

        if ($UserInCanConfirmGroupSet < 0) {
            $UserInCanConfirmGroupSet = UserInGroup("canconfirm");
        }
        if ($UserInCanConfirmGroupSet) {
            return 1;
        }
        SendSQL("SELECT everconfirmed FROM bugs WHERE bug_id = $bugid");
        my $everconfirmed = FetchOneColumn();
        if ($everconfirmed) {
            return 1;
        }
    } elsif ($reporterid eq $whoid || $ownerid eq $whoid ||
             $qacontactid eq $whoid) {
        return 1;
    }
    SendSQL("UNLOCK TABLES");
    $oldvalue = value_quote($oldvalue);
    $newvalue = value_quote($newvalue);
    print PuntTryAgain(qq{
Only the owner or submitter of the bug, or a sufficiently
empowered user, may make that change to the $f field.
<TABLE>
<TR><TH ALIGN="right">Old value:</TH><TD>$oldvalue</TD></TR>
<TR><TH ALIGN="right">New value:</TH><TD>$newvalue</TD></TR>
</TABLE>
});
    PutFooter();
    exit();
}


    
    


my @idlist;
if (defined $::FORM{'id'}) {

    # since this means that we were called from show_bug.cgi, now is a good
    # time to do a whole bunch of error checking that can't easily happen when
    # we've been called from buglist.cgi, because buglist.cgi only tweaks
    # values that have been changed instead of submitting all the new values.
    # (XXX those error checks need to happen too, but implementing them 
    # is more work in the current architecture of this script...)
    #
    if ( Param('strictvaluechecks') ) { 
        CheckFormField(\%::FORM, 'rep_platform', \@::legal_platform);
        CheckFormField(\%::FORM, 'priority', \@::legal_priority);
        CheckFormField(\%::FORM, 'bug_severity', \@::legal_severity);
        CheckFormField(\%::FORM, 'component', 
                       \@{$::components{$::FORM{'product'}}});
        CheckFormFieldDefined(\%::FORM, 'bug_file_loc');
        CheckFormFieldDefined(\%::FORM, 'short_desc');
        CheckFormField(\%::FORM, 'product', \@::legal_product);
        CheckFormField(\%::FORM, 'version', 
                       \@{$::versions{$::FORM{'product'}}});
        CheckFormField(\%::FORM, 'op_sys', \@::legal_opsys);
        CheckFormFieldDefined(\%::FORM, 'longdesclength');
        CheckPosInt($::FORM{'id'});
    }
    push @idlist, $::FORM{'id'};
} else {
    foreach my $i (keys %::FORM) {
        if ($i =~ /^id_/) {
            if ( Param('strictvaluechecks') ) { 
                CheckPosInt(substr($i, 3));
            }
            push @idlist, substr($i, 3);
        }
    }
}

my $action  = '';
if (defined $::FORM{action}) {
  $action  = trim($::FORM{action});
}
if ($action eq Param("move-button-text")) {
  $::FORM{'buglist'} = join (":", @idlist);
  do "move.pl" || die "Error executing move.cgi: $!";
  PutFooter();
  exit;
}


if (!defined $::FORM{'who'}) {
    $::FORM{'who'} = $::COOKIE{'Bugzilla_login'};
}

# the common updates to all bugs in @idlist start here
#
print "<TITLE>Update Bug " . join(" ", @idlist) . "</TITLE>\n";
if (defined $::FORM{'id'}) {
    navigation_header();
}
print "<HR>\n";
$::query = "update bugs\nset";
$::comma = "";
umask(0);

sub DoComma {
    $::query .= "$::comma\n    ";
    $::comma = ",";
}

sub DoConfirm {
    if ($UserInEditGroupSet < 0) {
        $UserInEditGroupSet = UserInGroup("editbugs");
    }
    if ($UserInCanConfirmGroupSet < 0) {
        $UserInCanConfirmGroupSet = UserInGroup("canconfirm");
    }
    if ($UserInEditGroupSet || $UserInCanConfirmGroupSet) {
        DoComma();
        $::query .= "everconfirmed = 1";
    }
}


sub ChangeStatus {
    my ($str) = (@_);
    if ($str ne $::dontchange) {
        DoComma();
        if (IsOpenedState($str)) {
            $::query .= "bug_status = IF(everconfirmed = 1, '$str', '$::unconfirmedstate')";
        } else {
            $::query .= "bug_status = '$str'";
        }
        $::FORM{'bug_status'} = $str; # Used later for call to
                                      # CheckCanChangeField to make sure this
                                      # is really kosher.
    }
}

sub ChangeResolution {
    my ($str) = (@_);
    if ($str ne $::dontchange) {
        DoComma();
        $::query .= "resolution = '$str'";
    }
}

#
# This function checks if there is a comment required for a specific
# function and tests, if the comment was given.
# If comments are required for functions  is defined by params.
#
sub CheckonComment( $ ) {
    my ($function) = (@_);
    
    # Param is 1 if comment should be added !
    my $ret = Param( "commenton" . $function );

    # Allow without comment in case of undefined Params.
    $ret = 0 unless ( defined( $ret ));

    if( $ret ) {
        if (!defined $::FORM{'comment'} || $::FORM{'comment'} =~ /^\s*$/) {
            # No comment - sorry, action not allowed !
            PuntTryAgain("You have to specify a <b>comment</b> on this " .
                         "change.  Please give some words " .
                         "on the reason for your change.");
        } else {
            $ret = 0;
        }
    }
    return( ! $ret ); # Return val has to be inverted
}


my $foundbit = 0;
foreach my $b (grep(/^bit-\d*$/, keys %::FORM)) {
    if (!$foundbit) {
        $foundbit = 1;
        DoComma();
        $::query .= "groupset = 0";
    }
    if ($::FORM{$b}) {
        my $v = substr($b, 4);
        $::query .= "+ $v";     # Carefully written so that the math is
                                # done by MySQL, which can handle 64-bit math,
                                # and not by Perl, which I *think* can not.
    }
}

foreach my $field ("rep_platform", "priority", "bug_severity",          
                   "summary", "component", "bug_file_loc", "short_desc",
                   "product", "version", "op_sys",
                   "target_milestone", "status_whiteboard") {
    if (defined $::FORM{$field}) {
        if ($::FORM{$field} ne $::dontchange) {
            DoComma();
            $::query .= "$field = " . SqlQuote(trim($::FORM{$field}));
        }
    }
}


if (defined $::FORM{'qa_contact'}) {
    my $name = trim($::FORM{'qa_contact'});
    if ($name ne $::dontchange) {
        my $id = 0;
        if ($name ne "") {
            $id = DBNameToIdAndCheck($name);
        }
        DoComma();
        $::query .= "qa_contact = $id";
    }
}


ConnectToDatabase();

my $formCcSet = new RelationSet;
my $origCcSet = new RelationSet;
my $origCcString;
my $removedCcString = "";

# We make sure to check out the CC list before we actually start touching any
# bugs.  mergeFromString() ultimately searches the database using a quoted
# form of the data it gets from $::FORM{'cc'}, so anything bogus from a 
# security standpoint should trigger an abort there.
#
if (defined $::FORM{'newcc'} && defined $::FORM{'id'}) {
    $origCcSet->mergeFromDB("select who from cc where bug_id = $::FORM{'id'}");
    $formCcSet->mergeFromDB("select who from cc where bug_id = $::FORM{'id'}");
    $origCcString = $origCcSet->toString();  # cache a copy of the string vers
    if ((exists $::FORM{'removecc'}) && (exists $::FORM{'cc'})) {

      # save off the folks removed from the CC list so they can be given to 
      # the processmaill command line so they can be sent mail about it.
      #
      $removedCcString = join (',', @{$::MFORM{'cc'}});
      $formCcSet->removeItemsInArray(@{$::MFORM{'cc'}});
    }
    $formCcSet->mergeFromString($::FORM{'newcc'});
}

if ( Param('strictvaluechecks') ) {
    CheckFormFieldDefined(\%::FORM, 'knob');
}
SWITCH: for ($::FORM{'knob'}) {
    /^none$/ && do {
        last SWITCH;
    };
    /^confirm$/ && CheckonComment( "confirm" ) && do {
        DoConfirm();
        ChangeStatus('NEW');
        last SWITCH;
    };
    /^accept$/ && CheckonComment( "accept" ) && do {
        DoConfirm();
        ChangeStatus('ASSIGNED');
        if (Param("musthavemilestoneonaccept")) {
            if (Param("usetargetmilestone")) {
                $requiremilestone = 1;
            }
        }
        last SWITCH;
    };
    /^clearresolution$/ && CheckonComment( "clearresolution" ) && do {
        ChangeResolution('');
        last SWITCH;
    };
    /^resolve$/ && CheckonComment( "resolve" ) && do {
        ChangeStatus('RESOLVED');
        ChangeResolution($::FORM{'resolution'});
        last SWITCH;
    };
    /^reassign$/ && CheckonComment( "reassign" ) && do {
        if ($::FORM{'andconfirm'}) {
            DoConfirm();
        }
        ChangeStatus('NEW');
        DoComma();
        if ( Param("strictvaluechecks") ) {
          if ( !defined$::FORM{'assigned_to'} ||
               trim($::FORM{'assigned_to'}) eq "") {
            PuntTryAgain("You cannot reassign to a bug to nobody.  Unless " .
                         "you intentionally cleared out the " .
                         "\"Reassign bug to\" field, " .
                         Param("browserbugmessage"));
          }
        }
        my $newid = DBNameToIdAndCheck($::FORM{'assigned_to'});
        $::query .= "assigned_to = $newid";
        last SWITCH;
    };
    /^reassignbycomponent$/  && CheckonComment( "reassignbycomponent" ) && do {
        if ($::FORM{'product'} eq $::dontchange) {
            PuntTryAgain("You must specify a product to help determine the " .
                         "new owner of these bugs.");
        }
        if ($::FORM{'component'} eq $::dontchange) {
            PuntTryAgain("You must specify a component whose owner should " .
                         "get assigned these bugs.");
        }
        if ($::FORM{'compconfirm'}) {
            DoConfirm();
        }
        ChangeStatus('NEW');
        SendSQL("select initialowner from components where program=" .
                SqlQuote($::FORM{'product'}) . " and value=" .
                SqlQuote($::FORM{'component'}));
        my $newname = FetchOneColumn();
        my $newid = DBNameToIdAndCheck($newname, 1);
        DoComma();
        $::query .= "assigned_to = $newid";
        if (Param("useqacontact")) {
            SendSQL("select initialqacontact from components where program=" .
                    SqlQuote($::FORM{'product'}) .
                    " and value=" . SqlQuote($::FORM{'component'}));
            my $qacontact = FetchOneColumn();
            if (defined $qacontact && $qacontact ne "") {
                my $newqa = DBNameToIdAndCheck($qacontact, 1);
                DoComma();
                $::query .= "qa_contact = $newqa";
            }
        }
        last SWITCH;
    };   
    /^reopen$/  && CheckonComment( "reopen" ) && do {
		SendSQL("SELECT resolution FROM bugs WHERE bug_id = $::FORM{'id'}");
        ChangeStatus('REOPENED');
        ChangeResolution('');
		if (FetchOneColumn() eq 'DUPLICATE') {
			SendSQL("DELETE FROM duplicates WHERE dupe = $::FORM{'id'}");
		}		
        last SWITCH;
    };
    /^verify$/ && CheckonComment( "verify" ) && do {
        ChangeStatus('VERIFIED');
        last SWITCH;
    };
    /^close$/ && CheckonComment( "close" ) && do {
        ChangeStatus('CLOSED');
        last SWITCH;
    };
    /^duplicate$/ && CheckonComment( "duplicate" ) && do {
        ChangeStatus('RESOLVED');
        ChangeResolution('DUPLICATE');
        if ( Param('strictvaluechecks') ) {
            CheckFormFieldDefined(\%::FORM,'dup_id');
        }
        my $num = trim($::FORM{'dup_id'});
        SendSQL("SELECT bug_id FROM bugs WHERE bug_id = " . SqlQuote($num));
        $num = FetchOneColumn();
        if (!$num) {
            PuntTryAgain("You must specify a valid bug number of which this bug " .
                         "is a duplicate.  The bug has not been changed.")
        }
        if (!defined($::FORM{'id'}) || $num == $::FORM{'id'}) {
            PuntTryAgain("Nice try, $::FORM{'who'}.  But it doesn't really ".
                         "make sense to mark a bug as a duplicate of " .
                         "itself, does it?");
        }
        my $checkid = trim($::FORM{'id'});
        SendSQL("SELECT bug_id FROM bugs where bug_id = " .  SqlQuote($checkid));
        $checkid = FetchOneColumn();
        if (!$checkid) {
            PuntTryAgain("The bug id $::FORM{'id'} is invalid. Please reload this bug ".
                         "and try again.");
        }
        # Check to see if Reporter of this bug is reporter of Dupe 
        SendSQL("SELECT reporter FROM bugs WHERE bug_id = " . SqlQuote($::FORM{'id'}));
        my $reporter = FetchOneColumn();
        SendSQL("SELECT reporter FROM bugs WHERE bug_id = " . SqlQuote($num) . " and reporter = $reporter");
        my $isreporter = FetchOneColumn();
        SendSQL("SELECT who FROM cc WHERE bug_id = " . SqlQuote($num) . " and who = $reporter");
        my $isoncc = FetchOneColumn();
        unless ($isreporter || $isoncc) {
            # The reporter is oblivious to the existance of the new bug... add 'em to the cc (and record activity)
            SendSQL("SELECT who FROM cc WHERE bug_id = " . SqlQuote($num));
            my @dupecc;
            while (MoreSQLData()) {
                push (@dupecc, DBID_to_name(FetchOneColumn()));
            }
            my @newdupecc = @dupecc;
            push (@newdupecc, DBID_to_name($reporter));
            my $ccid = GetFieldID("cc");
            my $whochange = DBNameToIdAndCheck($::FORM{'who'});
            SendSQL("INSERT INTO bugs_activity (bug_id,who,bug_when,fieldid,oldvalue,newvalue) VALUES " .
                    "('$num','$whochange',now(),$ccid,'" . join (",", sort @dupecc) . "','" . join (",", sort @newdupecc) . "')"); 
            SendSQL("INSERT INTO cc (who, bug_id) VALUES ($reporter, " . SqlQuote($num) . ")");
        }
        AppendComment($num, $::FORM{'who'}, "*** Bug $::FORM{'id'} has been marked as a duplicate of this bug. ***");
        if ( Param('strictvaluechecks') ) {
          CheckFormFieldDefined(\%::FORM,'comment');
        }
        SendSQL("INSERT INTO duplicates VALUES ($num, $::FORM{'id'})");
        $::FORM{'comment'} .= "\n\n*** This bug has been marked as a duplicate of $num ***";
        print "<TABLE BORDER=1><TD><H2>Notation added to bug $num</H2>\n";
        system("./processmail", $num, $::FORM{'who'});
        print "<TD><A HREF=\"show_bug.cgi?id=$num\">Go To BUG# $num</A></TABLE>\n";

        last SWITCH;
    };
    # default
    print "Unknown action $::FORM{'knob'}!\n";
    PutFooter();
    exit;
}


if ($#idlist < 0) {
    PuntTryAgain("You apparently didn't choose any bugs to modify.");
}


my @keywordlist;
my %keywordseen;

if ($::FORM{'keywords'}) {
    foreach my $keyword (split(/[\s,]+/, $::FORM{'keywords'})) {
        if ($keyword eq '') {
            next;
        }
        my $i = GetKeywordIdFromName($keyword);
        if (!$i) {
            PuntTryAgain("Unknown keyword named <code>$keyword</code>. " .
                         "<P>The legal keyword names are " .
                         "<A HREF=describekeywords.cgi>" .
                         "listed here</A>.");
        }
        if (!$keywordseen{$i}) {
            push(@keywordlist, $i);
            $keywordseen{$i} = 1;
        }
    }
}

my $keywordaction = $::FORM{'keywordaction'} || "makeexact";

if ($::comma eq "" && 0 == @keywordlist && $keywordaction ne "makeexact") {
    if (!defined $::FORM{'comment'} || $::FORM{'comment'} =~ /^\s*$/) {
        PuntTryAgain("Um, you apparently did not change anything on the " .
                     "selected bugs.");
    }
}

my $basequery = $::query;
my $delta_ts;


sub SnapShotBug {
    my ($id) = (@_);
    SendSQL("select delta_ts, " . join(',', @::log_columns) .
            " from bugs where bug_id = $id");
    my @row = FetchSQLData();
    $delta_ts = shift @row;

    return @row;
}


sub SnapShotDeps {
    my ($i, $target, $me) = (@_);
    SendSQL("select $target from dependencies where $me = $i order by $target");
    my @list;
    while (MoreSQLData()) {
        push(@list, FetchOneColumn());
    }
    return join(',', @list);
}


my $timestamp;

sub LogDependencyActivity {
    my ($i, $oldstr, $target, $me) = (@_);
    my $newstr = SnapShotDeps($i, $target, $me);
    if ($oldstr ne $newstr) {
        my $fieldid = GetFieldID($target);
        SendSQL("INSERT INTO bugs_activity " .
                "(bug_id,who,bug_when,fieldid,oldvalue,newvalue) VALUES " .
                "($i,$whoid,$timestamp,$fieldid,'$oldstr','$newstr')");
        return 1;
    }
    return 0;
}

delete $::FORM{'resolution'};   # Make sure we don't test the resolution
                                # against our permissions; we've already done
                                # that kind of testing, and this form field
                                # is actually usually not used.


# this loop iterates once for each bug to be processed (eg when this script
# is called with multiple bugs selected from buglist.cgi instead of
# show_bug.cgi).
#
foreach my $id (@idlist) {
    my %dependencychanged;
    my $write = "WRITE";        # Might want to make a param to control
                                # whether we do LOW_PRIORITY ...
    SendSQL("LOCK TABLES bugs $write, bugs_activity $write, cc $write, " .
            "profiles $write, dependencies $write, votes $write, " .
            "keywords $write, longdescs $write, fielddefs $write, " .
            "keyworddefs READ, groups READ, attachments READ, products READ");
    my @oldvalues = SnapShotBug($id);
    my %oldhash;
    my $i = 0;
    foreach my $col (@::log_columns) {
        $oldhash{$col} = $oldvalues[$i];
        if (exists $::FORM{$col}) {
            CheckCanChangeField($col, $id, $oldvalues[$i], $::FORM{$col});
        }
        $i++;
    }
    if ($requiremilestone) {
        my $value = $::FORM{'target_milestone'};
        if (!defined $value || $value eq $::dontchange) {
            $value = $oldhash{'target_milestone'};
        }
        SendSQL("SELECT defaultmilestone FROM products WHERE product = " .
                SqlQuote($oldhash{'product'}));
        if ($value eq FetchOneColumn()) {
            SendSQL("UNLOCK TABLES");
            PuntTryAgain("You must determine a target milestone for bug $id " .
                         "if you are going to accept it.  (Part of " .
                         "accepting a bug is giving an estimate of when it " .
                         "will be fixed.)");
        }
    }   
    if (defined $::FORM{'delta_ts'} && $::FORM{'delta_ts'} ne $delta_ts) {
        print "
<H1>Mid-air collision detected!</H1>
Someone else has made changes to this bug at the same time you were trying to.
The changes made were:
<p>
";
        DumpBugActivity($id, $delta_ts);
        my $longdesc = GetLongDescriptionAsHTML($id);
        my $longchanged = 0;

        if (length($longdesc) > $::FORM{'longdesclength'}) {
            $longchanged = 1;
            print "<P>Added text to the long description:<blockquote>";
            print substr($longdesc, $::FORM{'longdesclength'});
            print "</blockquote>\n";
        }
        SendSQL("unlock tables");
        print "You have the following choices: <ul>\n";
        $::FORM{'delta_ts'} = $delta_ts;
        print "<li><form method=post>";
        foreach my $i (keys %::FORM) {
            my $value = value_quote($::FORM{$i});
            print qq{<input type=hidden name="$i" value="$value">\n};
        }
        print qq{<input type=submit value="Submit my changes anyway">\n};
        print " This will cause all of the above changes to be overwritten";
        if ($longchanged) {
            print ", except for the changes to the description";
        }
        print qq{.</form>\n<li><a href="show_bug.cgi?id=$id">Throw away my changes, and go revisit bug $id</a></ul>\n};
        PutFooter();
        exit;
    }
        
    my %deps;
    if (defined $::FORM{'dependson'}) {
        my $me = "blocked";
        my $target = "dependson";
        for (1..2) {
            $deps{$target} = [];
            my %seen;
            foreach my $i (split('[\s,]+', $::FORM{$target})) {
                if ($i eq "") {
                    next;

                }
                SendSQL("select bug_id from bugs where bug_id = " .
                        SqlQuote($i));
                my $comp = FetchOneColumn();
                if ($comp ne $i) {
                    PuntTryAgain("$i is not a legal bug number");
                }
                if (!exists $seen{$i}) {
                    push(@{$deps{$target}}, $i);
                    $seen{$i} = 1;
                }
            }
            my @stack = @{$deps{$target}};
            while (@stack) {
                my $i = shift @stack;
                SendSQL("select $target from dependencies where $me = $i");
                while (MoreSQLData()) {
                    my $t = FetchOneColumn();
                    if ($t == $id) {
                        PuntTryAgain("Dependency loop detected!<P>" .
                                     "The change you are making to " .
                                     "dependencies has caused a circular " .
                                     "dependency chain.");
                    }
                    if (!exists $seen{$t}) {
                        push @stack, $t;
                        $seen{$t} = 1;
                    }
                }
            }
                        

            my $tmp = $me;
            $me = $target;
            $target = $tmp;
        }
    }

    if (@::legal_keywords) {
        # There are three kinds of "keywordsaction": makeexact, add, delete.
        # For makeexact, we delete everything, and then add our things.
        # For add, we delete things we're adding (to make sure we don't
        # end up having them twice), and then we add them.
        # For delete, we just delete things on the list.
        my $changed = 0;
        if ($keywordaction eq "makeexact") {
            SendSQL("DELETE FROM keywords WHERE bug_id = $id");
            $changed = 1;
        }
        foreach my $keyword (@keywordlist) {
            if ($keywordaction ne "makeexact") {
                SendSQL("DELETE FROM keywords
                         WHERE bug_id = $id AND keywordid = $keyword");
                $changed = 1;
            }
            if ($keywordaction ne "delete") {
                SendSQL("INSERT INTO keywords 
                         (bug_id, keywordid) VALUES ($id, $keyword)");
                $changed = 1;
            }
        }
        if ($changed) {
            SendSQL("SELECT keyworddefs.name 
                     FROM keyworddefs, keywords
                     WHERE keywords.bug_id = $id
                         AND keyworddefs.id = keywords.keywordid
                     ORDER BY keyworddefs.name");
            my @list;
            while (MoreSQLData()) {
                push(@list, FetchOneColumn());
            }
            SendSQL("UPDATE bugs SET keywords = " .
                    SqlQuote(join(', ', @list)) .
                    " WHERE bug_id = $id");
        }
    }

    my $query = "$basequery\nwhere bug_id = $id";
    
# print "<PRE>$query</PRE>\n";

    if ($::comma ne "") {
        SendSQL($query);
        SendSQL("select delta_ts from bugs where bug_id = $id");
    } else {
        SendSQL("select now()");
    }
    $timestamp = FetchOneColumn();
    
    if (defined $::FORM{'comment'}) {
        AppendComment($id, $::FORM{'who'}, $::FORM{'comment'});
    }
    
    if (defined $::FORM{'newcc'} && defined $::FORM{'id'}
        && ! $origCcSet->isEqual($formCcSet) ) {

        # update the database to look like the form
        #
        my @CCDELTAS = $origCcSet->generateSqlDeltas($formCcSet, "cc", 
                                                     "bug_id", $::FORM{'id'},
                                                     "who");
        $CCDELTAS[0] eq "" || SendSQL($CCDELTAS[0]);
        $CCDELTAS[1] eq "" || SendSQL($CCDELTAS[1]);

        my $col = GetFieldID('cc');
        my $origq = SqlQuote($origCcString);
        my $newq = SqlQuote($formCcSet->toString());
        SendSQL("INSERT INTO bugs_activity " . 
                "(bug_id,who,bug_when,fieldid,oldvalue,newvalue) VALUES " . 
                "($id,$whoid,'$timestamp',$col,$origq,$newq)");
    }
  

    if (defined $::FORM{'dependson'}) {
        my $me = "blocked";
        my $target = "dependson";
        for (1..2) {
            SendSQL("select $target from dependencies where $me = $id order by $target");
            my %snapshot;
            my @oldlist;
            while (MoreSQLData()) {
                push(@oldlist, FetchOneColumn());
            }
            my @newlist = sort {$a <=> $b} @{$deps{$target}};
            @dependencychanged{@oldlist} = 1;
            @dependencychanged{@newlist} = 1;

            while (0 < @oldlist || 0 < @newlist) {
                if (@oldlist == 0 || (@newlist > 0 &&
                                      $oldlist[0] > $newlist[0])) {
                    $snapshot{$newlist[0]} = SnapShotDeps($newlist[0], $me,
                                                          $target);
                    shift @newlist;
                } elsif (@newlist == 0 || (@oldlist > 0 &&
                                           $newlist[0] > $oldlist[0])) {
                    $snapshot{$oldlist[0]} = SnapShotDeps($oldlist[0], $me,
                                                          $target);
                    shift @oldlist;
                } else {
                    if ($oldlist[0] != $newlist[0]) {
                        die "Error in list comparing code";
                    }
                    shift @oldlist;
                    shift @newlist;
                }
            }
            my @keys = keys(%snapshot);
            if (@keys) {
                my $oldsnap = SnapShotDeps($id, $target, $me);
                SendSQL("delete from dependencies where $me = $id");
                foreach my $i (@{$deps{$target}}) {
                    SendSQL("insert into dependencies ($me, $target) values ($id, $i)");
                }
                foreach my $k (@keys) {
                    LogDependencyActivity($k, $snapshot{$k}, $me, $target);
                }
                LogDependencyActivity($id, $oldsnap, $target, $me);
            }

            my $tmp = $me;
            $me = $target;
            $target = $tmp;
        }
    }


    # get a snapshot of the newly set values out of the database, 
    # and then generate any necessary bug activity entries by seeing 
    # what has changed since before we wrote out the new values.
    #
    my @newvalues = SnapShotBug($id);

    # for passing to processmail to ensure that when someone is removed
    # from one of these fields, they get notified of that fact (if desired)
    #
    my $origOwner = "";
    my $origQaContact = "";

    foreach my $c (@::log_columns) {
        my $col = $c;           # We modify it, don't want to modify array
                                # values in place.
        my $old = shift @oldvalues;
        my $new = shift @newvalues;
        if (!defined $old) {
            $old = "";
        }
        if (!defined $new) {
            $new = "";
        }
        if ($old ne $new) {

            # save off the old value for passing to processmail so the old
            # owner can be notified
            #
            if ($col eq 'assigned_to') {
                $old = ($old) ? DBID_to_name($old) : "";
                $new = ($new) ? DBID_to_name($new) : "";
                $origOwner = $old;
            }

            # ditto for the old qa contact
            #
            if ($col eq 'qa_contact') {
                $old = ($old) ? DBID_to_name($old) : "";
                $new = ($new) ? DBID_to_name($new) : "";
                $origQaContact = $old;
            }

            if ($col eq 'product') {
                RemoveVotes($id, 0,
                            "This bug has been moved to a different product");
            }
            $col = GetFieldID($col);
            $old = SqlQuote($old);
            $new = SqlQuote($new);
            my $q = "insert into bugs_activity (bug_id,who,bug_when,fieldid,oldvalue,newvalue) values ($id,$whoid,'$timestamp',$col,$old,$new)";
            # puts "<pre>$q</pre>"
            SendSQL($q);
        }
    }
    
    print "<TABLE BORDER=1><TD><H2>Changes to bug $id submitted</H2>\n";
    SendSQL("unlock tables");

    my @ARGLIST = ("./processmail");
    if ( $removedCcString ne "" ) {
        push @ARGLIST, ("-forcecc", $removedCcString);
    }
    if ( $origOwner ne "" ) {
        push @ARGLIST, ("-forceowner", $origOwner);
    }
    if ( $origQaContact ne "") { 
        push @ARGLIST, ( "-forceqacontact", $origQaContact);
    }
    push @ARGLIST, ($id, $::FORM{'who'});
    system @ARGLIST;

    print "<TD><A HREF=\"show_bug.cgi?id=$id\">Back To BUG# $id</A></TABLE>\n";

    foreach my $k (keys(%dependencychanged)) {
        print "<TABLE BORDER=1><TD><H2>Checking for dependency changes on bug $k</H2>\n";
        system("./processmail", $k, $::FORM{'who'});
        print "<TD><A HREF=\"show_bug.cgi?id=$k\">Go To BUG# $k</A></TABLE>\n";
    }

}

if (defined $::next_bug) {
    print("<P>The next bug in your list is:\n");
    $::FORM{'id'} = $::next_bug;
    print "<HR>\n";

    navigation_header();
    do "bug_form.pl";
} else {
    navigation_header();
    PutFooter();
}