forked from pjstevns/dbmail
-
Notifications
You must be signed in to change notification settings - Fork 0
/
db.c
5134 lines (4191 loc) · 126 KB
/
db.c
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
/* */
/*
Copyright (C) 1999-2004 IC & S dbmail@ic-s.nl
Copyright (c) 2005-2006 NFG Net Facilities Group BV support@nfg.nl
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/**
* \file db.c
*
*
*
* implement database functionality. This used to split out
* between MySQL and PostgreSQL, but this is now integrated.
* Only the actual calls to the database APIs are still in
* place in the mysql/ and pgsql/ directories
*/
#include "dbmail.h"
#define THIS_MODULE "db"
// Flag order defined in dbmailtypes.h
static const char *db_flag_desc[] = {
"seen_flag",
"answered_flag",
"deleted_flag",
"flagged_flag",
"draft_flag",
"recent_flag"
};
const char *imap_flag_desc[] = {
"Seen",
"Answered",
"Deleted",
"Flagged",
"Draft",
"Recent"
};
const char *imap_flag_desc_escaped[] = {
"\\Seen",
"\\Answered",
"\\Deleted",
"\\Flagged",
"\\Draft",
"\\Recent"
};
#define MAX_COLUMN_LEN 50
#define MAX_DATE_LEN 50
/* write-once global variable */
db_param_t _db_params;
#define DBPFX _db_params.pfx
/** list of tables used in dbmail */
#define DB_NTABLES 22
const char *DB_TABLENAMES[DB_NTABLES] = {
"users", "aliases", "mailboxes",
"messages", "physmessage", "messageblks",
"acl", "subscription", "pbsp",
"auto_notifications", "auto_replies",
"headername", "headervalue",
"subjectfield", "datefield", "referencesfield",
"fromfield", "tofield", "replytofield",
"ccfield", "replycache", "usermap"
};
/** can be used for making queries to db backend */
/* size of buffer for writing messages to a client */
#define WRITE_BUFFER_SIZE 2048
/** static functions */
/** find a mailbox with a specific owner */
static int db_findmailbox_owner(const char *name, u64_t owner_idnr, u64_t * mailbox_idnr);
/** get the total size of messages in a mailbox. Does not work recursively! */
static int db_get_mailbox_size(u64_t mailbox_idnr, int only_deleted, u64_t * mailbox_size);
/**
* constructs a string for use in queries. This is used to not be dependent
* on the date representations a database can handle. Unfortunately, MySQL
* only implements a function to handle this in version > 4.1.1. PostgreSQL
* implements the TO_DATE function, which handles this very well.
*/
static char *char2date_str(const char *date);
/**
* check if the user_idnr is the same as that of the DBMAIL_DELIVERY_USERNAME
* \param user_idnr user idnr to check
* \return
* - -1 on error
* - 0 of different user
* - 1 if same user (user_idnr belongs to DBMAIL_DELIVERY_USERNAME
*/
static int user_idnr_is_delivery_user_idnr(u64_t user_idnr);
/*
* check to make sure the database has been upgraded
*/
int db_check_version(void)
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
snprintf(query, DEF_QUERYSIZE, "SELECT 1=1 FROM %sphysmessage LIMIT 1 OFFSET 0", DBPFX);
if (db_query(query) == -1) {
TRACE(TRACE_FATAL, "pre-2.0 database incompatible. You need to run the conversion script");
return DM_EQUERY;
}
db_free_result();
snprintf(query, DEF_QUERYSIZE, "SELECT 1=1 FROM %sheadervalue LIMIT 1 OFFSET 0", DBPFX);
if (db_query(query) == -1) {
TRACE(TRACE_FATAL, "2.0 database incompatible. You need to add the header tables.");
return DM_EQUERY;
}
db_free_result();
snprintf(query, DEF_QUERYSIZE, "SELECT 1=1 FROM %senvelope LIMIT 1 OFFSET 0", DBPFX);
if (db_query(query) == -1) {
TRACE(TRACE_FATAL, "2.1 database incompatible. You need to add the envelopes table "
"and run dbmail-util -by");
}
db_free_result();
return DM_SUCCESS;
}
/* test existence of usermap table */
int db_use_usermap(void)
{
static int use_usermap = -1;
char query[DEF_QUERYSIZE];
if (use_usermap != -1)
return use_usermap;
memset(query,0,DEF_QUERYSIZE);
snprintf(query, DEF_QUERYSIZE, "SELECT userid FROM %susermap WHERE 1 = 2",
DBPFX);
use_usermap = 0;
if (db_query(query) != -1) {
use_usermap = 1;
db_free_result();
}
TRACE(TRACE_DEBUG, "%s usermap lookups", use_usermap ? "enabling" : "disabling" );
return use_usermap;
}
static int transaction = 0;
static time_t transaction_before = 0;
static time_t transaction_after = 0;
int db_begin_transaction()
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
snprintf(query, DEF_QUERYSIZE, "BEGIN");
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error beginning transaction");
return DM_EQUERY;
}
if (transaction) {
TRACE(TRACE_INFO, "A transaction was already started");
} else if (!transaction) {
transaction_before = time(NULL);
transaction = 1;
}
return DM_SUCCESS;
}
int db_commit_transaction()
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
snprintf(query, DEF_QUERYSIZE, "COMMIT");
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error committing transaction."
"Because we do not want to leave the database in "
"an inconsistent state, we will perform a rollback now");
db_rollback_transaction();
return DM_EQUERY;
}
if (transaction) {
transaction_after = time(NULL);
if (transaction_before == (time_t)-1 || transaction_after == (time_t)-1) {
/* Can't log because time(2) failed. */
} else {
/* This is signed on the chance that ntpd ran during the query
* so it might look like it went back in time. */
int elapsed = (int)((time_t) (transaction_after - transaction_before));
TRACE(TRACE_DEBUG, "last transaction took [%d] seconds", elapsed);
if (elapsed > 10)
TRACE(TRACE_INFO, "slow transaction took [%d] seconds", elapsed);
if (elapsed > 20)
TRACE(TRACE_MESSAGE, "slow transaction took [%d] seconds", elapsed);
if (elapsed > 40)
TRACE(TRACE_WARNING, "slow transaction took [%d] seconds", elapsed);
}
transaction = 0;
} else if (!transaction) {
TRACE(TRACE_INFO, "No transaction to commit");
}
return DM_SUCCESS;
}
int db_rollback_transaction()
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
snprintf(query, DEF_QUERYSIZE, "ROLLBACK");
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error rolling back transaction. "
"Disconnecting from database (this will implicitely "
"cause a Transaction Rollback.");
db_disconnect();
/* and reconnect again */
db_connect();
}
if (transaction) {
transaction_after = time(NULL);
if (transaction_before == (time_t)-1 || transaction_after == (time_t)-1) {
/* Can't log because time(2) failed. */
} else {
/* This is signed on the chance that ntpd ran during the query
* so it might look like it went back in time. */
int elapsed = (int)((time_t) (transaction_after - transaction_before));
TRACE(TRACE_DEBUG, "last transaction took [%d] seconds", elapsed);
if (elapsed > 10)
TRACE(TRACE_INFO, "slow transaction took [%d] seconds", elapsed);
if (elapsed > 20)
TRACE(TRACE_MESSAGE, "slow transaction took [%d] seconds", elapsed);
if (elapsed > 40)
TRACE(TRACE_WARNING, "slow transaction took [%d] seconds", elapsed);
}
transaction = 0;
} else if (!transaction) {
TRACE(TRACE_INFO, "No transaction to rollback from");
}
transaction = 0;
return DM_SUCCESS;
}
int mailbox_is_writable(u64_t mailbox_idnr)
{
mailbox_t mb;
memset(&mb,'\0', sizeof(mb));
mb.uid = mailbox_idnr;
if (db_getmailbox_flags(&mb) == DM_EQUERY)
return DM_EQUERY;
if (mb.permission != IMAPPERM_READWRITE) {
TRACE(TRACE_INFO, "read-only mailbox");
return DM_EQUERY;
}
return DM_SUCCESS;
}
int db_savepoint_transaction(const char* name)
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
if(!name){
TRACE(TRACE_ERROR, "error no savepoint name");
return DM_EQUERY;
}
snprintf(query, DEF_QUERYSIZE, "SAVEPOINT %s", name);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error set savepoint to transaction");
return DM_EQUERY;
}
return DM_SUCCESS;
}
int db_rollback_savepoint_transaction(const char* name)
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
gchar *sname;
if(!name){
TRACE(TRACE_ERROR, "error no savepoint name");
return DM_EQUERY;
}
sname = dm_stresc(name);
snprintf(query, DEF_QUERYSIZE, "ROLLBACK TO SAVEPOINT %s", sname);
g_free(sname);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error rolling back transaction "
"to savepoint(%s). "
"Disconnecting from database (this will implicitely "
"cause a Transaction Rollback.", name);
db_disconnect();
/* and reconnect again */
db_connect();
}
return DM_SUCCESS;
}
int db_get_physmessage_id(u64_t message_idnr, u64_t * physmessage_id)
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
assert(physmessage_id != NULL);
*physmessage_id = 0;
snprintf(query, DEF_QUERYSIZE,
"SELECT physmessage_id FROM %smessages "
"WHERE message_idnr = %llu", DBPFX, message_idnr);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error getting physmessage_id");
return DM_EQUERY;
}
if (db_num_rows() < 1) {
db_free_result();
return DM_EGENERAL;
}
*physmessage_id = db_get_result_u64(0, 0);
db_free_result();
return DM_SUCCESS;
}
int db_get_quotum_used(u64_t user_idnr, u64_t * curmail_size)
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
assert(curmail_size != NULL);
snprintf(query, DEF_QUERYSIZE,
"SELECT curmail_size FROM %susers "
"WHERE user_idnr = %llu", DBPFX, user_idnr);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error getting used quotum for "
"user [%llu]" , user_idnr);
return DM_EQUERY;
}
*curmail_size = db_get_result_u64(0, 0);
db_free_result();
return DM_EGENERAL;
}
/* this is a local (static) function */
static int user_quotum_set(u64_t user_idnr, u64_t size)
{
int result;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
if ((result = user_idnr_is_delivery_user_idnr(user_idnr)) == DM_EQUERY)
return DM_EQUERY;
if (result == 1)
return DM_SUCCESS;
snprintf(query, DEF_QUERYSIZE,
"UPDATE %susers SET curmail_size = %llu "
"WHERE user_idnr = %llu", DBPFX, size, user_idnr);
if (db_query(query) == DM_EQUERY)
return DM_EQUERY;
db_free_result();
return DM_SUCCESS;
}
static int user_quotum_inc(u64_t user_idnr, u64_t size)
{
int result;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
if ((result = user_idnr_is_delivery_user_idnr(user_idnr)) == DM_EQUERY)
return DM_EQUERY;
if (result == 1)
return DM_SUCCESS;
TRACE(TRACE_DEBUG, "adding %llu to mailsize", size);
snprintf(query, DEF_QUERYSIZE,
"UPDATE %susers SET curmail_size = curmail_size + %llu "
"WHERE user_idnr = %llu", DBPFX, size, user_idnr);
if (db_query(query) == DM_EQUERY)
return DM_EQUERY;
db_free_result();
return DM_SUCCESS;
}
static int user_quotum_dec(u64_t user_idnr, u64_t size)
{
int result;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
if ((result = user_idnr_is_delivery_user_idnr(user_idnr)) == DM_EQUERY)
return DM_EQUERY;
if (result == 1)
return DM_SUCCESS;
TRACE(TRACE_DEBUG, "subtracting %llu from mailsize", size);
snprintf(query, DEF_QUERYSIZE,
"UPDATE %susers SET curmail_size = curmail_size - %llu "
"WHERE user_idnr = %llu", DBPFX, size, user_idnr);
if (db_query(query) == -1)
return DM_EQUERY;
db_free_result();
return DM_SUCCESS;
}
static int user_quotum_check(u64_t user_idnr, u64_t msg_size)
{
u64_t maxmail_size;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
if (auth_getmaxmailsize(user_idnr, &maxmail_size) == -1) {
TRACE(TRACE_ERROR, "auth_getmaxmailsize() failed\n");
return DM_EQUERY;
}
if (maxmail_size <= 0)
return DM_SUCCESS;
snprintf(query, DEF_QUERYSIZE,
"SELECT 1 FROM %susers "
"WHERE user_idnr = %llu "
"AND (curmail_size + %llu > %llu)",
DBPFX, user_idnr, msg_size, maxmail_size);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error checking quotum for "
"user [%llu]", user_idnr);
return DM_EQUERY;
}
/* If there is a quotum defined, and the inequality is true,
* then the message would therefore exceed the quotum,
* and so the function returns non-zero. */
if (db_num_rows() > 0) {
db_free_result();
return DM_EGENERAL;
}
db_free_result();
return DM_SUCCESS;
}
int db_calculate_quotum_all()
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
u64_t *user_idnrs;
/**< will hold all user_idnr for which the quotum
has to be set again */
u64_t *curmail_sizes;
/**< will hold current mailsizes */
int i;
int n;
/**< number of records returned */
int result;
/* the following query looks really weird, with its
* NOT (... IS NOT NULL), but it must be like this, because
* the normal query with IS NULL does not work on MySQL
* for some reason.
*/
snprintf(query, DEF_QUERYSIZE,
"SELECT usr.user_idnr, sum(pm.messagesize), usr.curmail_size "
"FROM %susers usr LEFT JOIN %smailboxes mbx "
"ON mbx.owner_idnr = usr.user_idnr "
"LEFT JOIN %smessages msg "
"ON msg.mailbox_idnr = mbx.mailbox_idnr "
"LEFT JOIN %sphysmessage pm "
"ON pm.id = msg.physmessage_id "
"AND msg.status < %d "
"GROUP BY usr.user_idnr, usr.curmail_size "
"HAVING ((SUM(pm.messagesize) <> usr.curmail_size) OR "
"(NOT (SUM(pm.messagesize) IS NOT NULL) "
"AND usr.curmail_size <> 0))", DBPFX,DBPFX,
DBPFX,DBPFX,MESSAGE_STATUS_DELETE);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error findng quotum used");
return DM_EQUERY;
}
n = db_num_rows();
result = n;
if (n == 0) {
TRACE(TRACE_DEBUG, "quotum is already up to date");
db_free_result();
return DM_SUCCESS;
}
user_idnrs = g_new0(u64_t, n);
curmail_sizes = g_new0(u64_t, n);
for (i = 0; i < n; i++) {
user_idnrs[i] = db_get_result_u64(i, 0);
curmail_sizes[i] = db_get_result_u64(i, 1);
}
db_free_result();
/* now update the used quotum for all users that need to be updated */
for (i = 0; i < n; i++) {
if (user_quotum_set(user_idnrs[i], curmail_sizes[i]) == -1) {
TRACE(TRACE_ERROR, "error setting quotum used, "
"trying to continue" );
result = -1;
}
}
/* free allocated memory */
g_free(user_idnrs);
g_free(curmail_sizes);
return result;
}
int db_calculate_quotum_used(u64_t user_idnr)
{
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
u64_t quotum = 0;
snprintf(query, DEF_QUERYSIZE, "SELECT SUM(pm.messagesize) "
"FROM %sphysmessage pm, %smessages m, %smailboxes mb "
"WHERE m.physmessage_id = pm.id "
"AND m.mailbox_idnr = mb.mailbox_idnr "
"AND mb.owner_idnr = %llu " "AND m.status < %d",
DBPFX,DBPFX,DBPFX,user_idnr, MESSAGE_STATUS_DELETE);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "could not execute query");
return DM_EQUERY;
}
if (db_num_rows() < 1)
TRACE(TRACE_WARNING, "SUM did not give result, "
"assuming empty mailbox" );
else {
quotum = db_get_result_u64(0, 0);
}
db_free_result();
TRACE(TRACE_DEBUG, "found quotum usage of [%llu] bytes", quotum);
/* now insert the used quotum into the users table */
if (user_quotum_set(user_idnr, quotum) == -1) {
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error setting quotum for user [%llu]"
, user_idnr);
return DM_EQUERY;
}
}
return DM_SUCCESS;
}
int db_get_sievescript_byname(u64_t user_idnr, char *scriptname, char **script)
{
const char *query_result = NULL;
char *escaped_scriptname;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
escaped_scriptname = dm_stresc(scriptname);
snprintf(query, DEF_QUERYSIZE,
"SELECT script FROM %ssievescripts WHERE "
"owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_scriptname);
g_free(escaped_scriptname);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error getting sievescript by name");
return DM_EQUERY;
}
if (db_num_rows() < 1) {
db_free_result();
*script = NULL;
return DM_SUCCESS;
}
query_result = db_get_result(0, 0);
if (!query_result) {
db_free_result();
*script = NULL;
return DM_EQUERY;
}
*script = g_strdup(query_result);
db_free_result();
return DM_SUCCESS;
}
/* Check if the user has an active sieve script.
* Returns 0 if has, 1 is has not, -1 on error. */
int db_check_sievescript_active(u64_t user_idnr)
{
return db_check_sievescript_active_byname(user_idnr, NULL);
}
/* Check if the user has an active sieve script by this name.
* If name is null, checks for any active sieve script.
* Returns 0 if has, 1 is has not, -1 on error. */
int db_check_sievescript_active_byname(u64_t user_idnr, const char *scriptname)
{
int n;
char *name;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
if (scriptname) {
name = dm_stresc(scriptname);
snprintf(query, DEF_QUERYSIZE,
"SELECT name FROM %ssievescripts WHERE "
"owner_idnr = %llu AND active = 1 AND name = '%s'",
DBPFX, user_idnr, name);
g_free(name);
} else {
snprintf(query, DEF_QUERYSIZE,
"SELECT name FROM %ssievescripts WHERE "
"owner_idnr = %llu AND active = 1",
DBPFX, user_idnr);
}
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error checking for an active sievescript");
return DM_EQUERY;
}
n = db_num_rows();
db_free_result();
if (n > 0)
return 0;
return 1;
}
/* Looks up the name of the active script.
* Caller must free the scriptname. */
int db_get_sievescript_active(u64_t user_idnr, char **scriptname)
{
int n;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
assert(scriptname != NULL);
*scriptname = NULL;
snprintf(query, DEF_QUERYSIZE,
"SELECT name from %ssievescripts where "
"owner_idnr = %llu and active = 1",
DBPFX, user_idnr);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error getting active sievescript by name");
return DM_EQUERY;
}
n = db_num_rows();
if (n > 0) {
*scriptname = g_strdup(db_get_result(0, 0));
}
db_free_result();
return DM_SUCCESS;
}
int db_get_sievescript_listall(u64_t user_idnr, struct dm_list *scriptlist)
{
int i, n;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
dm_list_init(scriptlist);
snprintf(query, DEF_QUERYSIZE,
"SELECT name,active FROM %ssievescripts WHERE "
"owner_idnr = %llu",
DBPFX,user_idnr);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error getting all sievescripts");
db_free_result();
return DM_EQUERY;
}
for (i = 0, n = db_num_rows(); i < n; i++) {
struct ssinfo info;
info.name = g_strdup(db_get_result(i, 0));
info.active = db_get_result_int(i, 1);
dm_list_nodeadd(scriptlist, &info, sizeof(struct ssinfo));
}
db_free_result();
return DM_SUCCESS;
}
/* According to the draft RFC, a script with the same
* name as an existing script should *atomically* replace it.
*
* We'll use a transaction to make the delete/rename atomic.
*/
int db_rename_sievescript(u64_t user_idnr, char *scriptname, char *newname)
{
char *escaped_scriptname;
char *escaped_newname;
int active = 0;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
db_begin_transaction();
escaped_scriptname = dm_stresc(scriptname);
escaped_newname = dm_stresc(newname);
snprintf(query, DEF_QUERYSIZE,
"SELECT active FROM %ssievescripts "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_newname);
if (db_query(query) == -1 ) {
db_rollback_transaction();
g_free(escaped_scriptname);
g_free(escaped_newname);
return DM_EQUERY;
}
if (db_num_rows() > 0) {
active = db_get_result_int(0, 0);
db_free_result();
snprintf(query, DEF_QUERYSIZE,
"DELETE FROM %ssievescripts "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_newname);
if (db_query(query) == -1 ) {
db_rollback_transaction();
g_free(escaped_scriptname);
g_free(escaped_newname);
return DM_EQUERY;
}
}
db_free_result();
snprintf(query, DEF_QUERYSIZE,
"UPDATE %ssievescripts SET name = '%s', active = %d "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,escaped_newname,active,user_idnr,escaped_scriptname);
g_free(escaped_scriptname);
g_free(escaped_newname);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error replacing sievescript '%s' "
"for user_idnr [%llu]" ,
scriptname, user_idnr);
db_rollback_transaction();
return DM_EQUERY;
}
db_commit_transaction();
return DM_SUCCESS;
}
int db_add_sievescript(u64_t user_idnr, char *scriptname, char *script)
{
unsigned maxesclen = (READ_BLOCK_SIZE + 1) * 5 + DEF_QUERYSIZE;
unsigned esclen, startlen;
char *escaped_scriptname;
char *escaped_query;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
db_begin_transaction();
escaped_scriptname = dm_stresc(scriptname);
snprintf(query, DEF_QUERYSIZE,
"SELECT COUNT(*) FROM %ssievescripts "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_scriptname);
if (db_query(query) == -1 ) {
db_rollback_transaction();
g_free(escaped_scriptname);
return DM_EQUERY;
}
if (db_get_result_int(0, 0) > 0) {
db_free_result();
snprintf(query, DEF_QUERYSIZE,
"DELETE FROM %ssievescripts "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_scriptname);
if (db_query(query) == -1 ) {
db_rollback_transaction();
g_free(escaped_scriptname);
return DM_EQUERY;
}
}
db_free_result();
escaped_query = g_new0(char, maxesclen);
startlen = snprintf(escaped_query, maxesclen,
"INSERT INTO %ssievescripts "
"(owner_idnr, name, script, active) "
"VALUES (%llu,'%s', '",
DBPFX, user_idnr, escaped_scriptname);
/* escape & add data */
esclen = db_escape_string(&escaped_query[startlen], script, strlen(script));
snprintf(&escaped_query[esclen + startlen],
maxesclen - esclen - startlen, "', 0)");
g_free(escaped_scriptname);
if (db_query(escaped_query) == -1) {
TRACE(TRACE_ERROR, "error adding sievescript '%s' "
"for user_idnr [%llu]" ,
scriptname, user_idnr);
db_rollback_transaction();
g_free(escaped_query);
return DM_EQUERY;
}
g_free(escaped_query);
db_commit_transaction();
return DM_SUCCESS;
}
int db_deactivate_sievescript(u64_t user_idnr, char *scriptname)
{
char *escaped_scriptname;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
escaped_scriptname = dm_stresc(scriptname);
snprintf(query, DEF_QUERYSIZE,
"UPDATE %ssievescripts set active = 0 "
"where owner_idnr = %llu and name = '%s'",
DBPFX,user_idnr,escaped_scriptname);
g_free(escaped_scriptname);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error deactivating sievescript '%s' "
"for user_idnr [%llu]" ,
scriptname, user_idnr);
return DM_EQUERY;
}
return DM_SUCCESS;
}
int db_activate_sievescript(u64_t user_idnr, char *scriptname)
{
char *escaped_scriptname;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
db_begin_transaction();
escaped_scriptname = dm_stresc(scriptname);
snprintf(query, DEF_QUERYSIZE,
"UPDATE %ssievescripts SET active = 0 "
"WHERE owner_idnr = %llu ",
DBPFX,user_idnr);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error activating sievescript '%s' "
"for user_idnr [%llu]" ,
scriptname, user_idnr);
g_free(escaped_scriptname);
db_rollback_transaction();
return DM_EQUERY;
}
snprintf(query, DEF_QUERYSIZE,
"UPDATE %ssievescripts SET active = 1 "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_scriptname);
g_free(escaped_scriptname);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error activating sievescript '%s' "
"for user_idnr [%llu]" ,
scriptname, user_idnr);
db_rollback_transaction();
return DM_EQUERY;
}
db_commit_transaction();
return DM_SUCCESS;
}
int db_delete_sievescript(u64_t user_idnr, char *scriptname)
{
char *escaped_scriptname;
char query[DEF_QUERYSIZE];
memset(query,0,DEF_QUERYSIZE);
escaped_scriptname = dm_stresc(scriptname);
snprintf(query, DEF_QUERYSIZE,
"DELETE FROM %ssievescripts "
"WHERE owner_idnr = %llu AND name = '%s'",
DBPFX,user_idnr,escaped_scriptname);
g_free(escaped_scriptname);
if (db_query(query) == -1) {
TRACE(TRACE_ERROR, "error deleting sievescript '%s' "
"for user_idnr [%llu]" ,
scriptname, user_idnr);
return DM_EQUERY;
}
return DM_SUCCESS;
}
int db_check_sievescript_quota(u64_t user_idnr, u64_t scriptlen)
{
/* TODO function db_check_sievescript_quota */
TRACE(TRACE_DEBUG, "checking %llu sievescript quota with %llu"
, user_idnr, scriptlen);
return DM_SUCCESS;
}
int db_set_sievescript_quota(u64_t user_idnr, u64_t quotasize)
{
/* TODO function db_set_sievescript_quota */
TRACE(TRACE_DEBUG, "setting %llu sievescript quota with %llu"
, user_idnr, quotasize);
return DM_SUCCESS;
}
int db_get_sievescript_quota(u64_t user_idnr, u64_t * quotasize)
{
/* TODO function db_get_sievescript_quota */
TRACE(TRACE_DEBUG, "getting sievescript quota for %llu"
, user_idnr);
*quotasize = 0;
return DM_SUCCESS;
}