summaryrefslogtreecommitdiffstats
path: root/process_bug.cgi
blob: 107bae5859ef29dcc11c7b27297fe2066a54a83d (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
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
#!/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 <justdave@syndicomm.com>
#                 Christopher Aillon <christopher@aillon.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;

######################################################################
# Begin Data/Security Validation
######################################################################

# Create a list of IDs of all bugs being modified in this request.
# This list will either consist of a single bug number from the "id"
# form/URL field or a series of numbers from multiple form/URL fields
# named "id_x" where "x" is the bug number.
my @idlist;
if (defined $::FORM{'id'}) {
    push @idlist, $::FORM{'id'};
} else {
    foreach my $i (keys %::FORM) {
        if ($i =~ /^id_([1-9][0-9]*)/) {
            push @idlist, $1;
        }
    }
}

# For each bug being modified, make sure its ID is a valid bug number 
# representing an existing bug that the user is authorized to access.
foreach my $id (@idlist) {
    ValidateBugID($id);
}

# If we are duping bugs, let's also make sure that we can change 
# the original.  This takes care of issue A on bug 96085.
if (defined $::FORM{'dup_id'} && $::FORM{'knob'} eq "duplicate") {
    ValidateBugID($::FORM{'dup_id'});

    # Also, let's see if the reporter has authorization to see the bug
    # to which we are duping.  If not we need to prompt.
    DuplicateUserConfirm();
}

# If the user has a bug list and is processing one bug, then after
# we process the bug we are going to show them the next bug on their
# list.  Thus we have to make sure this bug ID is also valid,
# since a malicious cracker might alter their cookies for the purpose
# gaining access to bugs they are not authorized to access.
if ( $::COOKIE{"BUGLIST"} ne "" && defined $::FORM{'id'} ) {
    my @buglist = split( /:/ , $::COOKIE{"BUGLIST"} );
    my $idx = lsearch( \@buglist , $::FORM{"id"} );
    if ($idx < $#buglist) {
        my $nextbugid = $buglist[$idx + 1];
        ValidateBugID($nextbugid);
    }
}

######################################################################
# End Data/Security Validation
######################################################################

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');
    }
}

ConnectToDatabase();

# Figure out whether or not the user is trying to change the product
# (either the "product" variable is not set to "don't change" or the
# user is changing a single bug and has changed the bug's product),
# and make the user verify the version, component, target milestone,
# and bug groups if so.
if ( $::FORM{'id'} ) {
    SendSQL("SELECT product FROM bugs WHERE bug_id = $::FORM{'id'}");
    $::oldproduct = FetchSQLData();
}
if ( ($::FORM{'id'} && $::FORM{'product'} ne $::oldproduct) 
       || (!$::FORM{'id'} && $::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 anything needs to be verified, generate a form for verifying it.
    if (!$vok || !$cok || !$mok || (Param('usebuggroups') && !defined($::FORM{'addtonewgroup'}))) {

        # Start the form.
        print qq|<form action="process_bug.cgi" method="post">\n|;

        # Add all form fields to the form as hidden fields (except those 
        # being verified), so the user's changes are preserved.
        foreach my $i (keys %::FORM) {
            if ($i ne 'version' && $i ne 'component' && $i ne 'target_milestone') {
                print qq|<input type="hidden" name="$i" value="| . value_quote($::FORM{$i}) . qq|">\n|;
            }
        }

        # Display UI for verifying the version, component, and target milestone fields.
        if (!$vok || !$cok || !$mok) {
            my ($sectiontitle, $sectiondescription);
            if ( Param('usetargetmilestone') ) {
                $sectiontitle = "Verify Version, Component, Target Milestone";
                $sectiondescription = qq|
                  You are moving the bug(s) to the product <b>$prod</b>, and now the 
                  version, component, and/or target milestone fields are not correct 
                  (or perhaps they were not correct in the first place).  In any case, 
                  please set the correct version, component, and target milestone now:
                |;
            } else {
                $sectiontitle = "Verify Version, Component";
                $sectiondescription = qq|
                  You are moving the bug(s) to the product <b>$prod</b>, and now the 
                  version, and component fields are not correct (or perhaps they were 
                  not correct in the first place).  In any case, please set the correct 
                  version and component now:
                |;
            }

            my $versionmenu = Version_element($::FORM{'version'}, $prod);
            my $componentmenu = Component_element($::FORM{'component'}, $prod);

            print qq|
              <h3>$sectiontitle</h3>

              <p>
                $sectiondescription
              <p>

              <table><tr>
              <td>
                <b>Version:</b><br>
                $versionmenu
              </td>
              <td>
                <b>Component:</b><br>
                $componentmenu
              </td>
            |;

            if ( Param("usetargetmilestone") ) {
                my $milestonemenu = Milestone_element($::FORM{'target_milestone'}, $prod);
                print qq|
                  <td>
                    <b>Target Milestone:</b><br>
                    $milestonemenu
                  </td>
                |;
            }

            print qq|
              </tr></table>
            |;
        }

        # Display UI for determining whether or not to remove the bug from 
        # its old product's group and/or add it to its new product's group.
        if (Param('usebuggroups') && !defined($::FORM{'addtonewgroup'})) {
            print qq|
              <h3>Verify Bug Group</h3>

              <p>
                Do you want to add the bug to its new product's group (if any)?
              </p>

              <p>
                <input type="radio" name="addtonewgroup" value="no"><b>no</b><br>
                <input type="radio" name="addtonewgroup" value="yes"><b>yes</b><br>
                <input type="radio" name="addtonewgroup" value="yesifinold" checked>
                  <b>yes, but only if the bug was in its old product's group</b><br>
              </p>
            |;
        }

        # End the form.
        print qq|
          <input type="submit" value="Commit">
          </form>
          <hr>
          <a href="query.cgi">Cancel and Return to the Query Page</a>
        |;

        # End the page and stop processing.
        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 ($f eq "resolution") { # always OK this.  if they really can't,
        return 1;             # it'll flag it when "status" is checked.
    }
    if ($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();
}

# Confirm that the reporter of the current bug can access the bug we are duping to.
sub DuplicateUserConfirm {
    my $dupe = trim($::FORM{'id'});
    my $original = trim($::FORM{'dup_id'});
    
    SendSQL("SELECT reporter FROM bugs WHERE bug_id = " . SqlQuote($dupe));
    my $reporter = FetchOneColumn();
    SendSQL("SELECT profiles.groupset FROM profiles WHERE profiles.userid =".SqlQuote($reporter));
    my $reportergroupset = FetchOneColumn();

    SendSQL("SELECT ((groupset & $reportergroupset) = groupset) , reporter , assigned_to , qa_contact , 
                    reporter_accessible , assignee_accessible , qacontact_accessible , cclist_accessible 
             FROM   bugs 
             WHERE  bug_id = $original");

    my ($isauthorized, $originalreporter, $assignee, $qacontact, $reporter_accessible, 
        $assignee_accessible, $qacontact_accessible, $cclist_accessible) = FetchSQLData();

    # If reporter is authorized via the database, or is the original reporter, assignee,
    # or QA Contact, we'll automatically confirm they can be added to the cc list
    if ($isauthorized 
        || ($reporter_accessible && $originalreporter == $reporter)
          || ($assignee_accessible && $assignee == $reporter)
            || ($qacontact_accessible && $qacontact == $reporter)) {
            
        $::FORM{'confirm_add_duplicate'} = "1";
        return;    
    }

    # Try to authorize the user one more time by seeing if they are on 
    # the cc: list.  If so, finish validation and return.
    if ($cclist_accessible ) {
        my @cclist;
        SendSQL("SELECT cc.who 
                 FROM   bugs , cc
                 WHERE  bugs.bug_id = $original
                 AND    cc.bug_id = bugs.bug_id
                ");
        while (my ($ccwho) = FetchSQLData()) {
            if ($reporter == $ccwho) {
                $::FORM{'confirm_add_duplicate'} = "1";
                return;
            }
        }
    }

    if (defined $::FORM{'confirm_add_duplicate'}) {
        return;
    }
    
    # Once in this part of the subroutine, the user has not been auto-validated
    # and the duper has not chosen whether or not to add to CC list, so let's
    # ask the duper what he/she wants to do.
    
    # First, will the user gain access to this bug immediately by being CC'd?
    my $reporter_access = $cclist_accessible ? "will immediately" : "might, in the future,";

    print "Content-type: text/html\n\n";
    PutHeader("Duplicate Warning");
    print "<P>
When marking a bug as a duplicate, the reporter of the 
duplicate is normally added to the CC list of the original. 
The permissions on bug #$original (the original) are currently set 
such that the reporter would not normally be able to see it. 
<P><B>Adding the reporter to the CC list of bug #$original 
$reporter_access allow him/her access to view this bug.</B>
Do you wish to do this?</P>
</P>
";
    print "<form method=post>\n\n";

    foreach my $i (keys %::FORM) {
        # Make sure we don't include the username/password fields in the
        # HTML.  If cookies are off, they'll have to reauthenticate after
        # hitting "submit changes anyway".
        # see http://bugzilla.mozilla.org/show_bug.cgi?id=15980
        if ($i !~ /^(Bugzilla|LDAP)_(login|password)$/) {
            my $value = value_quote($::FORM{$i});
            print qq{<input type=hidden name="$i" value="$value">\n};
        }
    }

    print qq{<p><input type=radio name="confirm_add_duplicate" value="1"> Yes, add the reporter to CC list on bug $original</p>\n};
    print qq{<p><input type=radio name="confirm_add_duplicate" value="0" checked="checked"> No, do not add the reporter to CC list on bug $original</p>\n};
    print qq{\n<p><a href="show_bug.cgi?id=$dupe">Throw away my changes, and go revisit bug $dupe</a>\n};
    print qq{\n<p><input type="submit" value="Submit"></p></form>\n};
    PutFooter();
    exit;
} # end DuplicateUserConfirm()

if (defined $::FORM{'id'} && Param('strictvaluechecks')) {
    # since this means that we were called from show_bug.cgi, now is a good
    # time to do a whole bunch of error checking that can't easily happen when
    # we've been called from buglist.cgi, because buglist.cgi only tweaks
    # values that have been changed instead of submitting all the new values.
    # (XXX those error checks need to happen too, but implementing them 
    # is more work in the current architecture of this script...)
    #
    CheckFormField(\%::FORM, 'rep_platform', \@::legal_platform);
    CheckFormField(\%::FORM, 'priority', \@::legal_priority);
    CheckFormField(\%::FORM, 'bug_severity', \@::legal_severity);
    CheckFormField(\%::FORM, 'component', 
                   \@{$::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');
}

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
}

# Changing this so that it will process groups from checkboxes instead of
# select lists.  This means that instead of looking for the bit-X values in
# the form, we need to loop through all the bug groups this user has access
# to, and for each one, see if it's selected.
# In addition, adding a little extra work so that we don't clobber groupsets
# for bugs where the user doesn't have access to the group, but does to the
# bug (as with the proposed reporter access patch.)
if($::usergroupset ne '0') {
  # We want to start from zero and build up, since if all boxes have been
  # unchecked, we want to revert to 0.
  DoComma();
  $::query .= "groupset = 0";
  my ($id) = (@idlist);
  SendSQL(<<_EOQ_);
    SELECT bit, bit & $::usergroupset != 0, bit & bugs.groupset != 0
    FROM groups, bugs
    WHERE isbuggroup != 0 AND bug_id = $id
    ORDER BY bit
_EOQ_
  while (my ($b, $userhasgroup, $bughasgroup) = FetchSQLData()) {
    if (!$::FORM{"bit-$b"}) {
      # If we make it here, the item didn't exist on the form or the user
      # said to clear it.  The only time we add this group back in is if
      # the bug already has this group on it and the user can't access it.
      if ($bughasgroup && !$userhasgroup) {
        $::query .= " + $b";
      }
    } elsif ($::FORM{"bit-$b"} == -1) {
      # If we get here, the user came from the change several bugs form, and
      # said not to change this group restriction.  So we'll add this group
      # back in only if the bug already has it.
      if ($bughasgroup) {
        $::query .= " + $b";
      }
    } else {
      # If we get here, the user said to set this group.  If they don't have
      # access to it, we'll use what's already on the bug, otherwise we'll
      # add this one in.
      if ($userhasgroup || $bughasgroup) {
        $::query .= " + $b";
      }
    }
  }
}

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";
    }
}


# If the user is submitting changes from show_bug.cgi for a single bug,
# and that bug is restricted to a group, process the checkboxes that
# allowed the user to set whether or not the reporter, assignee, QA contact, 
# and cc list can see the bug even if they are not members of all groups 
# to which the bug is restricted.
if ( $::FORM{'id'} ) {
    SendSQL("SELECT groupset FROM bugs WHERE bug_id = $::FORM{'id'}");
    my ($groupset) = FetchSQLData();
    if ( $groupset ) {
        DoComma();
        $::FORM{'reporter_accessible'} = $::FORM{'reporter_accessible'} ? '1' : '0';
        $::query .= "reporter_accessible = $::FORM{'reporter_accessible'}";

        DoComma();
        $::FORM{'assignee_accessible'} = $::FORM{'assignee_accessible'} ? '1' : '0';
        $::query .= "assignee_accessible = $::FORM{'assignee_accessible'}";

        DoComma();
        $::FORM{'qacontact_accessible'} = $::FORM{'qacontact_accessible'} ? '1' : '0';
        $::query .= "qacontact_accessible = $::FORM{'qacontact_accessible'}";

        DoComma();
        $::FORM{'cclist_accessible'} = $::FORM{'cclist_accessible'} ? '1' : '0';
        $::query .= "cclist_accessible = $::FORM{'cclist_accessible'}";
    }
}


my $duplicate = 0;

# We need to check the addresses involved in a CC change before we touch any bugs.
# What we'll do here is formulate the CC data into two hashes of ID's involved
# in this CC change.  Then those hashes can be used later on for the actual change.
my (%cc_add, %cc_remove);
if (defined $::FORM{newcc} || defined $::FORM{removecc} || defined $::FORM{masscc}) {
    # If masscc is defined, then we came from buglist and need to either add or
    # remove cc's... otherwise, we came from bugform and may need to do both.
    my ($cc_add, $cc_remove) = "";
    if (defined $::FORM{masscc}) {
        if ($::FORM{ccaction} eq 'add') {
            $cc_add = $::FORM{masscc};
        } elsif ($::FORM{ccaction} eq 'remove') {
            $cc_remove = $::FORM{masscc};
        }
    } else {
        $cc_add = $::FORM{newcc};
        # We came from bug_form which uses a select box to determine what cc's
        # need to be removed...
        if (defined $::FORM{removecc}) {
            $cc_remove = join (",", @{$::MFORM{cc}});
        }
    }

    if ($cc_add) {
        $cc_add =~ s/[\s,]+/ /g; # Change all delimiters to a single space
        foreach my $person ( split(" ", $cc_add) ) {
            my $pid = DBNameToIdAndCheck($person);
            $cc_add{$pid} = $person;
        }
    }
    if ($cc_remove) {
        $cc_remove =~ s/[\s,]+/ /g; # Change all delimiters to a single space
        foreach my $person ( split(" ", $cc_remove) ) {
            my $pid = DBNameToIdAndCheck($person);
            $cc_remove{$pid} = $person;
        }
    }
}


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 $newid = FetchOneColumn();
        my $newname = DBID_to_name($newid);
        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 != 0) {
                DoComma();
                $::query .= "qa_contact = $qacontact";
            }
        }
        last SWITCH;
    };   
    /^reopen$/  && 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.");
        }
        $::FORM{'comment'} .= "\n\n*** This bug has been marked as a duplicate of $num ***";
        $duplicate = $num;

        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 (!$i) {
            PuntTryAgain("Unknown keyword named <code>" .
                         html_quote($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 $newstr) {
        # Figure out what's really different...
        my ($removed, $added) = DiffStrings($oldstr, $newstr);
        $added = SqlQuote($added);
        $removed = SqlQuote($removed);
        my $fieldid = GetFieldID($target);
        SendSQL("INSERT INTO bugs_activity " .
                "(bug_id,who,bug_when,fieldid,removed,added) VALUES " .
                "($i,$whoid,$timestamp,$fieldid,$removed,$added)");
        return 1;
    }
    return 0;
}

# 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 $i (keys %::FORM) {
            # Make sure we don't include the username/password fields in the
            # HTML.  If cookies are off, they'll have to reauthenticate after
            # hitting "submit changes anyway".
            # see http://bugzilla.mozilla.org/show_bug.cgi?id=15980
            if ($i !~ /^(Bugzilla|LDAP)_(login|password)$/) {
              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 ($id eq $i) {
                    PuntTryAgain("You can't make a bug blocked or dependent on itself.");
                }
                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;
                    }
                }
            }

	    if ($me eq 'dependson') {
                my @deps   =  @{$deps{'dependson'}};
                my @blocks =  @{$deps{'blocked'}};
                my @union = ();
                my @isect = ();
                my %union = ();
                my %isect = ();
                foreach my $b (@deps, @blocks) { $union{$b}++ && $isect{$b}++ }
                @union = keys %union;
                @isect = keys %isect;
		if (@isect > 0) {
                    my $both;
                    foreach my $i (@isect) {
                       $both = $both . "#" . $i . " ";	
                    }
                    PuntTryAgain("Dependency loop detected!<P>" .
                                 "This bug can't be both blocked and dependent " .
                                 "on bug "  . $both . "!");
                }
            }
            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'});
    }
    
    my $removedCcString = "";
    if (defined $::FORM{newcc} || defined $::FORM{removecc} || defined $::FORM{masscc}) {
        # Get the current CC list for this bug
        my %oncc;
        SendSQL("SELECT who FROM cc WHERE bug_id = $id");
        while (MoreSQLData()) {
            $oncc{FetchOneColumn()} = 1;
        }

        my (@added, @removed) = ();
        foreach my $pid (keys %cc_add) {
            # If this person isn't already on the cc list, add them
            if (! $oncc{$pid}) {
                SendSQL("INSERT INTO cc (bug_id, who) VALUES ($id, $pid)");
                push (@added, $cc_add{$pid});
                $oncc{$pid} = 1;
            }
        }
        foreach my $pid (keys %cc_remove) {
            # If the person is on the cc list, remove them
            if ($oncc{$pid}) {
                SendSQL("DELETE FROM cc WHERE bug_id = $id AND who = $pid");
                push (@removed, $cc_remove{$pid});
                $oncc{$pid} = 0;
            }
        }
        # Save off the removedCcString so it can be fed to processmail
        $removedCcString = join (",", @removed);

        # If any changes were found, record it in the activity log
        if (scalar(@removed) || scalar(@added)) {
            my $col = GetFieldID('cc');
            my $removed = SqlQuote(join(", ", @removed));
            my $added = SqlQuote(join(", ", @added));
            SendSQL("INSERT INTO bugs_activity " .
                    "(bug_id,who,bug_when,fieldid,removed,added) VALUES " .
                    "($id,$whoid,'$timestamp',$col,$removed,$added)");
        }
    }

    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;
        }
    }

    # When a bug changes products and the old or new product is associated
    # with a bug group, it may be necessary to remove the bug from the old
    # group or add it to the new one.  There are a very specific series of
    # conditions under which these activities take place, more information
    # about which can be found in comments within the conditionals below.
    if ( 
      # the "usebuggroups" parameter is on, indicating that products
      # are associated with groups of the same name;
      Param('usebuggroups')

      # the user has changed the product to which the bug belongs;
      && defined $::FORM{'product'} 
        && $::FORM{'product'} ne $::dontchange 
          && $::FORM{'product'} ne $oldhash{'product'} 
    ) {
        if (
          # the user wants to add the bug to the new product's group;
          ($::FORM{'addtonewgroup'} eq 'yes' 
            || ($::FORM{'addtonewgroup'} eq 'yesifinold' 
                  && GroupNameToBit($oldhash{'product'}) & $oldhash{'groupset'})) 

          # the new product is associated with a group;
          && GroupExists($::FORM{'product'})

          # the bug is not already in the group; (This can happen when the user
          # goes to the "edit multiple bugs" form with a list of bugs at least
          # one of which is in the new group.  In this situation, the user can
          # simultaneously change the bugs to a new product and move the bugs
          # into that product's group, which happens earlier in this script
          # and thus is already done.  If we didn't check for this, then this
          # situation would cause us to add the bug to the group twice, which
          # would result in the bug being added to a totally different group.)
          && !BugInGroup($id, $::FORM{'product'})

          # the user is a member of the associated group, indicating they
          # are authorized to add bugs to that group, *or* the "usebuggroupsentry"
          # parameter is off, indicating that users can add bugs to a product 
          # regardless of whether or not they belong to its associated group;
          && (UserInGroup($::FORM{'product'}) || !Param('usebuggroupsentry'))

          # the associated group is active, indicating it can accept new bugs;
          && GroupIsActive(GroupNameToBit($::FORM{'product'}))
        ) { 
            # Add the bug to the group associated with its new product.
            my $groupbit = GroupNameToBit($::FORM{'product'});
            SendSQL("UPDATE bugs SET groupset = groupset + $groupbit WHERE bug_id = $id");
        }

        if ( 
          # the old product is associated with a group;
          GroupExists($oldhash{'product'})

          # the bug is a member of that group;
          && BugInGroup($id, $oldhash{'product'}) 
        ) { 
            # Remove the bug from the group associated with its old product.
            my $groupbit = GroupNameToBit($oldhash{'product'});
            SendSQL("UPDATE bugs SET groupset = groupset - $groupbit WHERE bug_id = $id");
        }

        print qq|</p>|;
    }
  
    # 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 this is the keyword field, only record the changes, not everything.
            if ($col eq 'keywords') {
                ($old, $new) = DiffStrings($old, $new);
            }

            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 $q = "insert into bugs_activity (bug_id,who,bug_when,fieldid,removed,added) values ($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 = ();
    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 ("./processmail",@ARGLIST);

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

    if ($duplicate) {
        # Check to see if Reporter of this bug is reporter of Dupe 
        SendSQL("SELECT reporter FROM bugs WHERE bug_id = " . SqlQuote($::FORM{'id'}));
        my $reporter = FetchOneColumn();
        SendSQL("SELECT reporter FROM bugs WHERE bug_id = " . SqlQuote($duplicate) . " and reporter = $reporter");
        my $isreporter = FetchOneColumn();
        SendSQL("SELECT who FROM cc WHERE bug_id = " . SqlQuote($duplicate) . " and who = $reporter");
        my $isoncc = FetchOneColumn();
        unless ($isreporter || $isoncc || ! $::FORM{'confirm_add_duplicate'}) {
            # The reporter is oblivious to the existance of the new bug and is permitted access
            # ... add 'em to the cc (and record activity)
            my $ccid = GetFieldID("cc");
            my $whochange = DBNameToIdAndCheck($::FORM{'who'});
            SendSQL("INSERT INTO bugs_activity (bug_id,who,bug_when,fieldid,removed,added) VALUES " .
                    "('$duplicate','$whochange',now(),$ccid,'','" . DBID_to_name($reporter) . "')"); 
            SendSQL("INSERT INTO cc (who, bug_id) VALUES ($reporter, " . SqlQuote($duplicate) . ")");
        }
        AppendComment($duplicate, $::FORM{'who'}, "*** Bug $::FORM{'id'} has been marked as a duplicate of this bug. ***");
        if ( Param('strictvaluechecks') ) {
          CheckFormFieldDefined(\%::FORM,'comment');
        }
        SendSQL("INSERT INTO duplicates VALUES ($duplicate, $::FORM{'id'})");
        print "<TABLE BORDER=1><TD><H2>Duplicate notation added to bug $duplicate</H2>\n";
        system("./processmail", $duplicate, $::FORM{'who'});
        print "<TD><A HREF=\"show_bug.cgi?id=$duplicate\">Go To BUG# $duplicate</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();
}