-
Notifications
You must be signed in to change notification settings - Fork 158
/
ct.c
4586 lines (3885 loc) · 120 KB
/
ct.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
/* FreeTDS - Library of routines accessing Sybase and Microsoft databases
* Copyright (C) 1998, 1999, 2000, 2001 Brian Bruns
* Copyright (C) 2002, 2003, 2004, 2005 James K. Lowden
* Copyright (C) 2011, 2012 Frediano Ziglio
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <config.h>
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#if HAVE_STDLIB_H
#include <stdlib.h>
#endif /* HAVE_STDLIB_H */
#if HAVE_STRING_H
#include <string.h>
#endif /* HAVE_STRING_H */
#include "ctpublic.h"
#include "ctlib.h"
#include <freetds/string.h>
#include <freetds/enum_cap.h>
#include "replacements.h"
TDS_RCSID(var, "$Id: ct.c,v 1.225 2012-03-11 15:52:22 freddy77 Exp $");
static const char * ct_describe_cmd_state(CS_INT state);
/**
* Read a row of data
* @return 0 on success
*/
static int _ct_fetch_cursor(CS_COMMAND * cmd, CS_INT type, CS_INT offset, CS_INT option, CS_INT * rows_read);
static int _ct_fetchable_results(CS_COMMAND * cmd);
static TDSRET _ct_process_return_status(TDSSOCKET * tds);
static int _ct_fill_param(CS_INT cmd_type, CS_PARAM * param, CS_DATAFMT * datafmt, CS_VOID * data,
CS_INT * datalen, CS_SMALLINT * indicator, CS_BYTE byvalue);
void _ctclient_msg(CS_CONNECTION * con, const char *funcname, int layer, int origin, int severity, int number,
const char *fmt, ...);
int _ct_bind_data(CS_CONTEXT *ctx, TDSRESULTINFO * resinfo, TDSRESULTINFO *bindinfo, CS_INT offset);
static void _ct_initialise_cmd(CS_COMMAND *cmd);
static CS_RETCODE _ct_cancel_cleanup(CS_COMMAND * cmd);
/* Added for CT_DIAG */
/* Code changes starts here - CT_DIAG - 01 */
static CS_INT ct_diag_storeclientmsg(CS_CONTEXT * context, CS_CONNECTION * conn, CS_CLIENTMSG * message);
static CS_INT ct_diag_storeservermsg(CS_CONTEXT * context, CS_CONNECTION * conn, CS_SERVERMSG * message);
static CS_INT ct_diag_countmsg(CS_CONTEXT * context, CS_INT type, CS_INT * count);
static CS_INT ct_diag_getclientmsg(CS_CONTEXT * context, CS_INT idx, CS_CLIENTMSG * message);
static CS_INT ct_diag_getservermsg(CS_CONTEXT * context, CS_INT idx, CS_SERVERMSG * message);
/* Code changes ends here - CT_DIAG - 01 */
/* Added code for RPC functionality -SUHA */
/* RPC Code changes starts here */
static void rpc_clear(CSREMOTE_PROC * rpc);
static void param_clear(CSREMOTE_PROC_PARAM * pparam);
static TDSPARAMINFO *paraminfoalloc(TDSSOCKET * tds, CS_PARAM * first_param);
static CS_DYNAMIC * _ct_allocate_dynamic(CS_CONNECTION * con, char *id, int idlen);
static CS_INT _ct_deallocate_dynamic(CS_CONNECTION * con, CS_DYNAMIC *dyn);
static CS_DYNAMIC * _ct_locate_dynamic(CS_CONNECTION * con, char *id, int idlen);
/* RPC Code changes ends here */
static const char *
_ct_get_layer(int layer)
{
tdsdump_log(TDS_DBG_FUNC, "_ct_get_layer(%d)\n", layer);
switch (layer) {
case 1:
return "user api layer";
break;
case 2:
return "blk layer";
break;
default:
break;
}
return "unrecognized layer";
}
static const char *
_ct_get_origin(int origin)
{
tdsdump_log(TDS_DBG_FUNC, "_ct_get_origin(%d)\n", origin);
switch (origin) {
case 1:
return "external error";
break;
case 2:
return "internal CT-Library error";
break;
case 4:
return "common library error";
break;
case 5:
return "intl library error";
break;
case 6:
return "user error";
break;
case 7:
return "internal BLK-Library error";
break;
default:
break;
}
return "unrecognized origin";
}
static const char *
_ct_get_user_api_layer_error(int error)
{
tdsdump_log(TDS_DBG_FUNC, "_ct_get_user_api_layer_error(%d)\n", error);
switch (error) {
case 137:
return "A bind count of %1! is not consistent with the count supplied for existing binds. "
"The current bind count is %2!.";
break;
case 138:
return "Use direction CS_BLK_IN or CS_BLK_OUT for a bulk copy operation.";
break;
case 139:
return "The parameter tblname cannot be NULL.";
break;
case 140:
return "Failed when processing results from server.";
break;
case 141:
return "Parameter %1! has an illegal value of %2!";
break;
case 142:
return "No value or default value available and NULL not allowed. col = %1! row = %2! .";
break;
case 143:
return "parameter name(s) must be supplied for LANGUAGE command.";
break;
case 16843163:
return "This routine cannot be called when the command structure is idle.";
break;
default:
break;
}
return "unrecognized error";
}
static char *
_ct_get_msgstr(const char *funcname, int layer, int origin, int severity, int number)
{
char *m;
tdsdump_log(TDS_DBG_FUNC, "_ct_get_msgstr(%s, %d, %d, %d, %d)\n", funcname, layer, origin, severity, number);
if (asprintf(&m,
"%s: %s: %s: %s", funcname, _ct_get_layer(layer), _ct_get_origin(origin), _ct_get_user_api_layer_error(number)
) < 0) {
return NULL;
}
return m;
}
void
_ctclient_msg(CS_CONNECTION * con, const char *funcname, int layer, int origin, int severity, int number, const char *fmt, ...)
{
CS_CONTEXT *ctx = con->ctx;
va_list ap;
CS_CLIENTMSG cm;
char *msgstr;
tdsdump_log(TDS_DBG_FUNC, "_ctclient_msg(%p, %s, %d, %d, %d, %d, %s)\n", con, funcname, layer, origin, severity, number, fmt);
va_start(ap, fmt);
if (ctx->_clientmsg_cb) {
cm.severity = severity;
cm.msgnumber = (((layer << 24) & 0xFF000000)
| ((origin << 16) & 0x00FF0000)
| ((severity << 8) & 0x0000FF00)
| ((number) & 0x000000FF));
msgstr = _ct_get_msgstr(funcname, layer, origin, severity, number);
tds_vstrbuild(cm.msgstring, CS_MAX_MSG, &(cm.msgstringlen), msgstr, CS_NULLTERM, fmt, CS_NULLTERM, ap);
cm.msgstring[cm.msgstringlen] = '\0';
free(msgstr);
cm.osnumber = 0;
cm.osstring[0] = '\0';
cm.osstringlen = 0;
cm.status = 0;
/* cm.sqlstate */
cm.sqlstatelen = 0;
ctx->_clientmsg_cb(ctx, con, &cm);
}
va_end(ap);
}
static CS_RETCODE
ct_set_command_state(CS_COMMAND *cmd, CS_INT state)
{
tdsdump_log(TDS_DBG_FUNC, "setting command state to %s (from %s)\n",
ct_describe_cmd_state(state),
ct_describe_cmd_state(cmd->command_state));
cmd->command_state = state;
return CS_SUCCEED;
}
static const char *
ct_describe_cmd_state(CS_INT state)
{
tdsdump_log(TDS_DBG_FUNC, "ct_describe_cmd_state(%d)\n", state);
switch (state) {
case _CS_COMMAND_IDLE:
return "IDLE";
case _CS_COMMAND_BUILDING:
return "BUILDING";
case _CS_COMMAND_READY:
return "READY";
case _CS_COMMAND_SENT:
return "SENT";
}
return "???";
}
CS_RETCODE
ct_exit(CS_CONTEXT * ctx, CS_INT unused)
{
tdsdump_log(TDS_DBG_FUNC, "ct_exit(%p, %d)\n", ctx, unused);
return CS_SUCCEED;
}
CS_RETCODE
ct_init(CS_CONTEXT * ctx, CS_INT version)
{
/* uncomment the next line to get pre-login trace */
/* tdsdump_open("/tmp/tds2.log"); */
tdsdump_log(TDS_DBG_FUNC, "ct_init(%p, %d)\n", ctx, version);
ctx->tds_ctx->msg_handler = _ct_handle_server_message;
ctx->tds_ctx->err_handler = _ct_handle_client_message;
return CS_SUCCEED;
}
CS_RETCODE
ct_con_alloc(CS_CONTEXT * ctx, CS_CONNECTION ** con)
{
TDSLOGIN *login;
tdsdump_log(TDS_DBG_FUNC, "ct_con_alloc(%p, %p)\n", ctx, con);
login = tds_alloc_login(1);
if (!login)
return CS_FAIL;
*con = (CS_CONNECTION *) calloc(1, sizeof(CS_CONNECTION));
if (!*con) {
tds_free_login(login);
return CS_FAIL;
}
(*con)->tds_login = login;
(*con)->server_addr = NULL;
/* so we know who we belong to */
(*con)->ctx = ctx;
/* set default values */
tds_set_library((*con)->tds_login, "CT-Library");
/* tds_set_client_charset((*con)->tds_login, "iso_1"); */
/* tds_set_packet((*con)->tds_login, TDS_DEF_BLKSZ); */
return CS_SUCCEED;
}
CS_RETCODE
ct_callback(CS_CONTEXT * ctx, CS_CONNECTION * con, CS_INT action, CS_INT type, CS_VOID * func)
{
int (*funcptr) (void *, void *, void *) = (int (*)(void *, void *, void *)) func;
tdsdump_log(TDS_DBG_FUNC, "ct_callback(%p, %p, %d, %d, %p)\n", ctx, con, action, type, func);
tdsdump_log(TDS_DBG_FUNC, "ct_callback() action = %s\n", CS_GET ? "CS_GET" : "CS_SET");
/* one of these has to be defined */
if (!ctx && !con)
return CS_FAIL;
if (action == CS_GET) {
switch (type) {
case CS_CLIENTMSG_CB:
*(void **) func = (CS_VOID *) (con ? con->_clientmsg_cb : ctx->_clientmsg_cb);
return CS_SUCCEED;
case CS_SERVERMSG_CB:
*(void **) func = (CS_VOID *) (con ? con->_servermsg_cb : ctx->_servermsg_cb);
return CS_SUCCEED;
default:
fprintf(stderr, "Unknown callback %d\n", type);
*(void **) func = NULL;
return CS_SUCCEED;
}
}
/* CS_SET */
switch (type) {
case CS_CLIENTMSG_CB:
if (con)
con->_clientmsg_cb = (CS_CLIENTMSG_FUNC) funcptr;
else
ctx->_clientmsg_cb = (CS_CLIENTMSG_FUNC) funcptr;
break;
case CS_SERVERMSG_CB:
if (con)
con->_servermsg_cb = (CS_SERVERMSG_FUNC) funcptr;
else
ctx->_servermsg_cb = (CS_SERVERMSG_FUNC) funcptr;
break;
}
return CS_SUCCEED;
}
CS_RETCODE
ct_con_props(CS_CONNECTION * con, CS_INT action, CS_INT property, CS_VOID * buffer, CS_INT buflen, CS_INT * out_len)
{
CS_INT intval, maxcp;
TDSSOCKET *tds;
TDSLOGIN *tds_login;
tdsdump_log(TDS_DBG_FUNC, "ct_con_props(%p, %d, %d, %p, %d, %p)\n", con, action, property, buffer, buflen, out_len);
tdsdump_log(TDS_DBG_FUNC, "ct_con_props() action = %s property = %d\n", CS_GET ? "CS_GET" : "CS_SET", property);
tds = con->tds_socket;
tds_login = con->tds_login;
if (action == CS_SET) {
char *set_buffer = NULL;
if (property == CS_USERNAME || property == CS_PASSWORD || property == CS_APPNAME ||
property == CS_HOSTNAME || property == CS_SERVERADDR) {
if (buflen == CS_NULLTERM) {
set_buffer = strdup((char *) buffer);
} else if (buflen == CS_UNUSED) {
return CS_SUCCEED;
} else {
set_buffer = (char *) malloc(buflen + 1);
strncpy(set_buffer, (char *) buffer, buflen);
set_buffer[buflen] = '\0';
}
}
/*
* XXX "login" properties shouldn't be set after
* login. I don't know if it should fail silently
* or return an error.
*/
switch (property) {
case CS_USERNAME:
tds_set_user(tds_login, set_buffer);
break;
case CS_PASSWORD:
tds_set_passwd(tds_login, set_buffer);
break;
case CS_APPNAME:
tds_set_app(tds_login, set_buffer);
break;
case CS_HOSTNAME:
tds_set_host(tds_login, set_buffer);
break;
case CS_PORT:
tds_set_port(tds_login, *((int *) buffer));
break;
case CS_SERVERADDR: {
/* Format of this property: "[hostname] [port]" */
char *host, *port, *lasts = NULL;
int portno;
host= strtok_r(set_buffer, " ", &lasts);
port= strtok_r(NULL, " ", &lasts);
if (!host || !port) {
free(set_buffer);
return CS_FAIL;
}
portno = (int)strtol(port, NULL, 10);
if (portno < 1 || portno >= 65536) {
free(set_buffer);
return CS_FAIL;
}
con->server_addr = strdup(host);
tds_set_port(tds_login, portno);
break;
}
case CS_LOC_PROP:
/* sybase docs say that this structure must be copied, not referenced */
if (!buffer)
return CS_FAIL;
if (con->locale)
_cs_locale_free(con->locale);
con->locale = _cs_locale_copy((CS_LOCALE *) buffer);
if (!con->locale)
return CS_FAIL;
break;
case CS_USERDATA:
free(con->userdata);
con->userdata = (void *) malloc(buflen + 1);
tdsdump_log(TDS_DBG_INFO2, "setting userdata orig %p new %p\n", buffer, con->userdata);
con->userdata_len = buflen;
memcpy(con->userdata, buffer, buflen);
break;
case CS_BULK_LOGIN:
memcpy(&intval, buffer, sizeof(intval));
if (intval)
tds_set_bulk(tds_login, 1);
else
tds_set_bulk(tds_login, 0);
break;
case CS_PACKETSIZE:
memcpy(&intval, buffer, sizeof(intval));
tds_set_packet(tds_login, (short) intval);
break;
case CS_TDS_VERSION:
/*
* FIXME
* (a) We don't support all versions in tds/login.c -
* I tried to pick reasonable versions.
* (b) Might need support outside of tds/login.c
* (c) It's a "negotiated" property so probably
* needs tds_process_env_chg() support
* (d) Minor - we don't check against context
* which should limit the acceptable values
*/
if (*(int *) buffer == CS_TDS_40) {
tds_set_version(tds_login, 4, 2);
} else if (*(int *) buffer == CS_TDS_42) {
tds_set_version(tds_login, 4, 2);
} else if (*(int *) buffer == CS_TDS_46) {
tds_set_version(tds_login, 4, 6);
} else if (*(int *) buffer == CS_TDS_495) {
tds_set_version(tds_login, 4, 6);
} else if (*(int *) buffer == CS_TDS_50) {
tds_set_version(tds_login, 5, 0);
} else if (*(int *) buffer == CS_TDS_70) {
tds_set_version(tds_login, 7, 0);
} else {
return CS_FAIL;
}
break;
default:
tdsdump_log(TDS_DBG_ERROR, "Unknown property %d\n", property);
break;
}
free(set_buffer);
} else if (action == CS_GET) {
DSTR *s;
switch (property) {
case CS_USERNAME:
s = &tds_login->user_name;
goto str_copy;
case CS_PASSWORD:
s = &tds_login->password;
goto str_copy;
case CS_APPNAME:
s = &tds_login->app_name;
goto str_copy;
case CS_HOSTNAME:
s = &tds_login->client_host_name;
goto str_copy;
case CS_SERVERNAME:
s = &tds_login->server_name;
str_copy:
if (out_len)
*out_len = tds_dstr_len(s);
tds_strlcpy((char *) buffer, tds_dstr_cstr(s), buflen);
break;
case CS_LOC_PROP:
if (buflen != CS_UNUSED || !con->locale || !buffer)
return CS_FAIL;
if (!_cs_locale_copy_inplace((CS_LOCALE *) buffer, con->locale))
return CS_FAIL;
break;
case CS_USERDATA:
tdsdump_log(TDS_DBG_INFO2, "fetching userdata %p\n", con->userdata);
maxcp = con->userdata_len;
if (out_len)
*out_len = maxcp;
if (maxcp > buflen)
maxcp = buflen;
memcpy(buffer, con->userdata, maxcp);
break;
case CS_CON_STATUS:
intval = 0;
if (!(IS_TDSDEAD(tds)))
intval |= CS_CONSTAT_CONNECTED;
if (tds && tds->state == TDS_DEAD)
intval |= CS_CONSTAT_DEAD;
memcpy(buffer, &intval, sizeof(intval));
break;
case CS_BULK_LOGIN:
if (tds_login->bulk_copy)
intval = CS_FALSE;
else
intval = CS_TRUE;
memcpy(buffer, &intval, sizeof(intval));
break;
case CS_PACKETSIZE:
if (tds)
intval = tds_conn(tds)->env.block_size;
else
intval = tds_login->block_size;
memcpy(buffer, &intval, sizeof(intval));
if (out_len)
*out_len = sizeof(intval);
break;
case CS_TDS_VERSION:
switch (tds->conn->tds_version) {
case 0x400:
(*(int *) buffer = CS_TDS_40);
break;
case 0x402:
(*(int *) buffer = CS_TDS_42);
break;
case 0x406:
(*(int *) buffer = CS_TDS_46);
break;
case 0x400 + 95:
(*(int *) buffer = CS_TDS_495);
break;
case 0x500:
(*(int *) buffer = CS_TDS_50);
break;
case 0x700:
(*(int *) buffer = CS_TDS_70);
break;
case 0x800:
(*(int *) buffer = CS_TDS_80);
break;
default:
return CS_FAIL;
}
break;
case CS_PARENT_HANDLE:
*(CS_CONTEXT **) buffer = con->ctx;
break;
default:
tdsdump_log(TDS_DBG_ERROR, "Unknown property %d\n", property);
break;
}
}
return CS_SUCCEED;
}
CS_RETCODE
ct_connect(CS_CONNECTION * con, CS_CHAR * servername, CS_INT snamelen)
{
char *server;
int needfree = 0;
CS_CONTEXT *ctx;
TDSLOGIN *login;
tdsdump_log(TDS_DBG_FUNC, "ct_connect(%p, %s, %d)\n", con, servername ? servername : "NULL", snamelen);
if (con->server_addr) {
server = "";
} else if (snamelen == 0 || snamelen == CS_UNUSED) {
server = NULL;
} else if (snamelen == CS_NULLTERM) {
server = (char *) servername;
} else {
server = (char *) malloc(snamelen + 1);
needfree++;
strncpy(server, servername, snamelen);
server[snamelen] = '\0';
}
tds_set_server(con->tds_login, server);
if (needfree)
free(server);
ctx = con->ctx;
if (!(con->tds_socket = tds_alloc_socket(ctx->tds_ctx, 512)))
return CS_FAIL;
tds_set_parent(con->tds_socket, (void *) con);
if (!(login = tds_read_config_info(con->tds_socket, con->tds_login, ctx->tds_ctx->locale))) {
tds_free_socket(con->tds_socket);
con->tds_socket = NULL;
return CS_FAIL;
}
if (con->server_addr)
tds_dstr_copy(&login->server_host_name, con->server_addr);
/* override locale settings with CS_CONNECTION settings, if any */
if (con->locale) {
if (con->locale->charset) {
if (!tds_dstr_copy(&login->server_charset, con->locale->charset))
goto Cleanup;
}
if (con->locale->language) {
if (!tds_dstr_copy(&login->language, con->locale->language))
goto Cleanup;
}
if (con->locale->time && tds_get_ctx(con->tds_socket)) {
TDSLOCALE *locale = tds_get_ctx(con->tds_socket)->locale;
free(locale->date_fmt);
/* TODO convert format from CTLib to libTDS */
locale->date_fmt = strdup(con->locale->time);
if (!locale->date_fmt)
goto Cleanup;
}
/* TODO how to handle this?
if (con->locale->collate) {
}
*/
}
if (TDS_FAILED(tds_connect_and_login(con->tds_socket, login)))
goto Cleanup;
tds_free_login(login);
tdsdump_log(TDS_DBG_FUNC, "leaving ct_connect() returning %d\n", CS_SUCCEED);
return CS_SUCCEED;
Cleanup:
tds_free_socket(con->tds_socket);
con->tds_socket = NULL;
tds_free_login(login);
tdsdump_log(TDS_DBG_FUNC, "leaving ct_connect() returning %d\n", CS_FAIL);
return CS_FAIL;
}
CS_RETCODE
ct_cmd_alloc(CS_CONNECTION * con, CS_COMMAND ** cmd)
{
CS_COMMAND_LIST *command_list;
CS_COMMAND_LIST *pcommand;
tdsdump_log(TDS_DBG_FUNC, "ct_cmd_alloc(%p, %p)\n", con, cmd);
*cmd = (CS_COMMAND *) calloc(1, sizeof(CS_COMMAND));
if (!*cmd)
return CS_FAIL;
/* so we know who we belong to */
(*cmd)->con = con;
/* initialise command state */
ct_set_command_state(*cmd, _CS_COMMAND_IDLE);
command_list = (CS_COMMAND_LIST*) calloc(1, sizeof(CS_COMMAND_LIST));
command_list->cmd = *cmd;
command_list->next = NULL;
if ( con->cmds == NULL ) {
tdsdump_log(TDS_DBG_FUNC, "ct_cmd_alloc() : allocating command list to head\n");
con->cmds = command_list;
} else {
pcommand = con->cmds;
for (;;) {
tdsdump_log(TDS_DBG_FUNC, "ct_cmd_alloc() : stepping thru existing commands\n");
if (pcommand->next == NULL)
break;
pcommand = pcommand->next;
}
pcommand->next = command_list;
}
return CS_SUCCEED;
}
CS_RETCODE
ct_command(CS_COMMAND * cmd, CS_INT type, const CS_VOID * buffer, CS_INT buflen, CS_INT option)
{
int query_len, current_query_len;
tdsdump_log(TDS_DBG_FUNC, "ct_command(%p, %d, %p, %d, %d)\n", cmd, type, buffer, buflen, option);
/*
* Unless we are in the process of building a CS_LANG_CMD command,
* clear everything, ready to start anew
*/
if (cmd->command_state != _CS_COMMAND_BUILDING) {
_ct_initialise_cmd(cmd);
ct_set_command_state(cmd, _CS_COMMAND_IDLE);
}
switch (type) {
case CS_LANG_CMD:
switch (option) {
case CS_MORE: /* The text in buffer is only part of the language command to be executed. */
case CS_END: /* The text in buffer is the last part of the language command to be executed. */
case CS_UNUSED: /* Equivalent to CS_END. */
if (buflen == CS_NULLTERM) {
query_len = strlen((const char *) buffer);
} else {
query_len = buflen;
}
/* small fix for no crash */
if (query_len == CS_UNUSED) {
cmd->query = NULL;
return CS_FAIL;
}
switch (cmd->command_state) {
case _CS_COMMAND_IDLE:
cmd->query = malloc(query_len + 1);
strncpy(cmd->query, (const char *) buffer, query_len);
cmd->query[query_len] = '\0';
if (option == CS_MORE) {
ct_set_command_state(cmd, _CS_COMMAND_BUILDING);
} else {
ct_set_command_state(cmd, _CS_COMMAND_READY);
}
break;
case _CS_COMMAND_BUILDING:
current_query_len = strlen(cmd->query);
cmd->query = realloc(cmd->query, current_query_len + query_len + 1);
strncat(cmd->query, (const char *) buffer, query_len);
cmd->query[current_query_len + query_len] = '\0';
if (option == CS_MORE) {
ct_set_command_state(cmd, _CS_COMMAND_BUILDING);
} else {
ct_set_command_state(cmd, _CS_COMMAND_READY);
}
break;
}
break;
default:
return CS_FAIL;
}
break;
case CS_RPC_CMD:
/* Code changed for RPC functionality -SUHA */
/* RPC code changes starts here */
if (cmd == NULL)
return CS_FAIL;
cmd->rpc = (CSREMOTE_PROC *) calloc(1, sizeof(CSREMOTE_PROC));
if (cmd->rpc == NULL)
return CS_FAIL;
if (buflen == CS_NULLTERM) {
cmd->rpc->name = strdup((const char*) buffer);
if (cmd->rpc->name == NULL)
return CS_FAIL;
} else if (buflen > 0) {
cmd->rpc->name = calloc(1, buflen + 1);
if (cmd->rpc->name == NULL)
return CS_FAIL;
strncpy(cmd->rpc->name, (const char *) buffer, buflen);
} else {
return CS_FAIL;
}
cmd->rpc->param_list = NULL;
tdsdump_log(TDS_DBG_INFO1, "ct_command() added rpcname \"%s\"\n", cmd->rpc->name);
/* FIXME: I don't know the value for RECOMPILE, NORECOMPILE options. Hence assigning zero */
switch (option) {
case CS_RECOMPILE: /* Recompile the stored procedure before executing it. */
cmd->rpc->options = 0;
break;
case CS_NO_RECOMPILE: /* Do not recompile the stored procedure before executing it. */
cmd->rpc->options = 0;
break;
case CS_UNUSED: /* Equivalent to CS_NO_RECOMPILE. */
cmd->rpc->options = 0;
break;
default:
return CS_FAIL;
}
ct_set_command_state(cmd, _CS_COMMAND_READY);
break;
/* RPC code changes ends here */
case CS_SEND_DATA_CMD:
switch (option) {
case CS_COLUMN_DATA: /* The data will be used for a text or image column update. */
cmd->send_data_started = 0;
break;
case CS_BULK_DATA: /* For internal Sybase use only. The data will be used for a bulk copy operation. */
default:
return CS_FAIL;
}
ct_set_command_state(cmd, _CS_COMMAND_READY);
break;
case CS_SEND_BULK_CMD:
switch (option) {
case CS_BULK_INIT: /* For internal Sybase use only. Initialize a bulk copy operation. */
case CS_BULK_CONT: /* For internal Sybase use only. Continue a bulk copy operation. */
default:
return CS_FAIL;
}
ct_set_command_state(cmd, _CS_COMMAND_READY);
break;
default:
return CS_FAIL;
}
cmd->command_type = type;
return CS_SUCCEED;
}
static void
_ct_initialise_cmd(CS_COMMAND *cmd)
{
free(cmd->query);
cmd->query = NULL;
tdsdump_log(TDS_DBG_FUNC, "_ct_initialise_cmd(%p)\n", cmd);
if (cmd->input_params) {
param_clear(cmd->input_params);
cmd->input_params = NULL;
}
ct_set_command_state(cmd, _CS_COMMAND_IDLE);
rpc_clear(cmd->rpc);
cmd->rpc = NULL;
}
CS_RETCODE
ct_send(CS_COMMAND * cmd)
{
TDSSOCKET *tds;
TDSRET ret;
TDSPARAMINFO *pparam_info;
tdsdump_log(TDS_DBG_FUNC, "ct_send(%p)\n", cmd);
tdsdump_log(TDS_DBG_FUNC, "ct_send() command_type = %d\n", cmd->command_type);
if (!cmd->con || !cmd->con->tds_socket)
return CS_FAIL;
tds = cmd->con->tds_socket;
if (cmd->cancel_state == _CS_CANCEL_PENDING) {
_ct_cancel_cleanup(cmd);
return CS_CANCELED;
}
if (cmd->command_state == _CS_COMMAND_IDLE) {
tdsdump_log(TDS_DBG_FUNC, "ct_send() command_state = IDLE\n");
_ctclient_msg(cmd->con, "ct_send", 1, 1, 1, 16843163, "");
return CS_FAIL;
}
cmd->results_state = _CS_RES_NONE;
if (cmd->command_type == CS_DYNAMIC_CMD) {
CS_DYNAMIC *dyn = cmd->dyn;
TDSDYNAMIC *tdsdyn;
if (dyn == NULL)
return CS_FAIL;
switch (cmd->dynamic_cmd) {
case CS_PREPARE:
if (TDS_FAILED(tds_submit_prepare(tds, dyn->stmt, dyn->id, &dyn->tdsdyn, NULL)))
return CS_FAIL;
ct_set_command_state(cmd, _CS_COMMAND_SENT);
return CS_SUCCEED;
break;
case CS_EXECUTE:
pparam_info = paraminfoalloc(tds, dyn->param_list);
tdsdyn = dyn->tdsdyn;
if (!tdsdyn) {
tdsdump_log(TDS_DBG_INFO1, "ct_send(CS_EXECUTE) no tdsdyn!\n");
return CS_FAIL;
}
tds_free_input_params(tdsdyn);
tdsdyn->params = pparam_info;
if (TDS_FAILED(tds_submit_execute(tds, tdsdyn)))
return CS_FAIL;
ct_set_command_state(cmd, _CS_COMMAND_SENT);
return CS_SUCCEED;
break;
case CS_DESCRIBE_INPUT:
tdsdump_log(TDS_DBG_INFO1, "ct_send(CS_DESCRIBE_INPUT)\n");
ct_set_command_state(cmd, _CS_COMMAND_SENT);
cmd->results_state = _CS_RES_DESCRIBE_RESULT;
if (tds->cur_dyn)
tds_set_current_results(tds, tds->cur_dyn->res_info);
else
tds_set_current_results(tds, tds->param_info);
break;
case CS_DESCRIBE_OUTPUT:
tdsdump_log(TDS_DBG_INFO1, "ct_send(CS_DESCRIBE_OUTPUT)\n");
ct_set_command_state(cmd, _CS_COMMAND_SENT);
cmd->results_state = _CS_RES_DESCRIBE_RESULT;
tds_set_current_results(tds, tds->res_info);
break;
case CS_DEALLOC:
tdsdyn = dyn->tdsdyn;
if (!tdsdyn) {
tdsdump_log(TDS_DBG_INFO1, "ct_send(CS_DEALLOC) no tdsdyn!\n");
return CS_FAIL;
}
if (TDS_FAILED(tds_submit_unprepare(tds, tdsdyn)))
return CS_FAIL;
ct_set_command_state(cmd, _CS_COMMAND_SENT);
return CS_SUCCEED;
break;
default:
return CS_FAIL;
}
}
if (cmd->command_type == CS_RPC_CMD) {
CSREMOTE_PROC *rpc;
/* sanity */
if (cmd == NULL || (rpc=cmd->rpc) == NULL /* ct_command should allocate pointer */
|| rpc->name == NULL) { /* can't be ready without a name */
return CS_FAIL;
}
pparam_info = paraminfoalloc(tds, rpc->param_list);
ret = tds_submit_rpc(tds, rpc->name, pparam_info);
tds_free_param_results(pparam_info);
ct_set_command_state(cmd, _CS_COMMAND_SENT);
if (TDS_FAILED(ret))
return CS_FAIL;
return CS_SUCCEED;
}
/* RPC Code changes ends here */
if (cmd->command_type == CS_LANG_CMD) {
ret = TDS_FAIL;
if (cmd->input_params) {
pparam_info = paraminfoalloc(tds, cmd->input_params);
ret = tds_submit_query_params(tds, cmd->query, pparam_info);
tds_free_param_results(pparam_info);
} else {
ret = tds_submit_query(tds, cmd->query);
}
ct_set_command_state(cmd, _CS_COMMAND_SENT);
if (TDS_FAILED(ret)) {
tdsdump_log(TDS_DBG_WARN, "ct_send() failed\n");
return CS_FAIL;
}
tdsdump_log(TDS_DBG_INFO2, "ct_send() succeeded\n");
return CS_SUCCEED;
}
/* Code added for CURSOR support */
if (cmd->command_type == CS_CUR_CMD) {
TDSCURSOR *cursor;
/* sanity */
/*
* ct_cursor declare should allocate cursor pointer
* cursor stmt cannot be NULL
* cursor name cannot be NULL
*/
int something_to_send = 0;
tdsdump_log(TDS_DBG_FUNC, "ct_send() : CS_CUR_CMD\n");