Line data Source code
1 : /* FreeTDS - Library of routines accessing Sybase and Microsoft databases
2 : * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Brian Bruns
3 : * Copyright (C) 2005-2015 Frediano Ziglio
4 : *
5 : * This library is free software; you can redistribute it and/or
6 : * modify it under the terms of the GNU Library General Public
7 : * License as published by the Free Software Foundation; either
8 : * version 2 of the License, or (at your option) any later version.
9 : *
10 : * This library is distributed in the hope that it will be useful,
11 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 : * Library General Public License for more details.
14 : *
15 : * You should have received a copy of the GNU Library General Public
16 : * License along with this library; if not, write to the
17 : * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 : * Boston, MA 02111-1307, USA.
19 : */
20 :
21 : #include <config.h>
22 :
23 : #include <stdlib.h>
24 :
25 : #if HAVE_UNISTD_H
26 : #include <unistd.h>
27 : #endif /* HAVE_UNISTD_H */
28 :
29 : #include <assert.h>
30 :
31 : #include <freetds/tds.h>
32 : #include <freetds/iconv.h>
33 : #include <freetds/tls.h>
34 : #include <freetds/checks.h>
35 : #include <freetds/utils/string.h>
36 : #include <freetds/replacements.h>
37 : #include <freetds/enum_cap.h>
38 : #include <freetds/utils.h>
39 :
40 : #if HAVE_SYS_SOCKET_H
41 : #include <sys/socket.h>
42 : #endif
43 :
44 : #ifdef HAVE_STRING_H
45 : #include <string.h>
46 : #endif
47 :
48 : #ifdef HAVE_LOCALE_H
49 : #include <locale.h>
50 : #endif /* HAVE_LOCALE_H */
51 :
52 : #ifdef HAVE_LANGINFO_H
53 : #include <langinfo.h>
54 : #endif /* HAVE_LANGINFO_H */
55 :
56 : static void tds_free_env(TDSCONNECTION * conn);
57 : static void tds_free_compute_results(TDSSOCKET * tds);
58 : static void tds_free_compute_result(TDSCOMPUTEINFO * comp_info);
59 :
60 : #undef TEST_MALLOC
61 : #define TEST_MALLOC(dest,type) \
62 : {if (!(dest = (type*)calloc(1, sizeof(type)))) goto Cleanup;}
63 :
64 : #undef TEST_CALLOC
65 : #define TEST_CALLOC(dest,type,n) \
66 : {if (!(dest = (type*)calloc((n), sizeof(type)))) goto Cleanup;}
67 :
68 : /**
69 : * \ingroup libtds
70 : * \defgroup mem Memory allocation
71 : * Allocate or free resources. Allocation can fail only on out of memory.
72 : * In such case they return NULL and leave the state as before call.
73 : * Mainly function names are in the form tds_alloc_XX or tds_free_XXX.
74 : * tds_alloc_XXX functions allocate structures and return pointer to allocated
75 : * data while tds_free_XXX take structure pointers and free them. Some functions
76 : * require additional parameters to initialize structure correctly.
77 : * The main exception are structures that use reference counting. These structures
78 : * have tds_alloc_XXX functions but instead of tds_free_XXX use tds_release_XXX.
79 : */
80 :
81 : /**
82 : * \addtogroup mem
83 : * @{
84 : */
85 :
86 : static volatile unsigned int inc_num = 1;
87 :
88 : /**
89 : * Get an id for dynamic query based on TDS information
90 : * \param conn state information for the connection and the TDS protocol
91 : * \return TDS_FAIL or TDS_SUCCESS
92 : */
93 : static char *
94 526188 : tds_get_dynid(TDSCONNECTION * conn, char *id)
95 : {
96 : unsigned long n;
97 : int i;
98 : char *p;
99 : char c;
100 :
101 : CHECK_CONN_EXTRA(conn);
102 :
103 526188 : inc_num = (inc_num + 1) & 0xffff;
104 : /* some version of Sybase require length <= 10, so we code id */
105 526188 : n = (unsigned long) (TDS_INTPTR) conn;
106 526188 : p = id;
107 526188 : *p++ = (char) ('a' + (n % 26u));
108 526188 : n /= 26u;
109 5261880 : for (i = 0; i < 9; ++i) {
110 4735692 : c = (char) ('0' + (n % 36u));
111 4735692 : *p++ = (c < ('0' + 10)) ? c : c + ('a' - '0' - 10);
112 : /* printf("%d -> %d(%c)\n",n%36u,p[-1],p[-1]); */
113 4735692 : n /= 36u;
114 4735692 : if (i == 4)
115 526188 : n += 3u * inc_num;
116 : }
117 526188 : *p = 0;
118 526188 : return id;
119 : }
120 :
121 : #include <freetds/pushvis.h>
122 : extern const TDSCOLUMNFUNCS tds_invalid_funcs;
123 : #include <freetds/popvis.h>
124 :
125 : static TDSCOLUMN *
126 81362 : tds_alloc_column(void)
127 : {
128 : TDSCOLUMN *col;
129 :
130 81362 : TEST_MALLOC(col, TDSCOLUMN);
131 162724 : tds_dstr_init(&col->table_name);
132 162724 : tds_dstr_init(&col->column_name);
133 162724 : tds_dstr_init(&col->table_column_name);
134 81362 : col->funcs = &tds_invalid_funcs;
135 :
136 81362 : Cleanup:
137 81362 : return col;
138 : }
139 :
140 : static void
141 81302 : tds_free_column(TDSCOLUMN *col)
142 : {
143 81302 : tds_dstr_free(&col->table_name);
144 81302 : tds_dstr_free(&col->column_name);
145 81302 : tds_dstr_free(&col->table_column_name);
146 81302 : free(col);
147 81302 : }
148 :
149 :
150 : /**
151 : * \fn TDSDYNAMIC *tds_alloc_dynamic(TDSCONNECTION *conn, const char *id)
152 : * \brief Allocate a dynamic statement.
153 : * \param conn the connection within which to allocate the statement.
154 : * \param id a character label identifying the statement.
155 : * \return a pointer to the allocated structure (NULL on failure).
156 : *
157 : * tds_alloc_dynamic is used to implement placeholder code under TDS 5.0
158 : */
159 : TDSDYNAMIC *
160 526196 : tds_alloc_dynamic(TDSCONNECTION * conn, const char *id)
161 : {
162 : TDSDYNAMIC *dyn;
163 : char tmp_id[30];
164 :
165 526196 : if (id) {
166 : /* check to see if id already exists (shouldn't) */
167 16 : if (tds_lookup_dynamic(conn, id))
168 : return NULL;
169 : } else {
170 : unsigned int n;
171 : id = tmp_id;
172 :
173 : for (n = 0;;) {
174 526188 : if (!tds_lookup_dynamic(conn, tds_get_dynid(conn, tmp_id)))
175 : break;
176 8 : if (++n == 256)
177 : return NULL;
178 : }
179 : }
180 :
181 526196 : TEST_MALLOC(dyn, TDSDYNAMIC);
182 :
183 : /* take into account pointer in list */
184 526196 : dyn->ref_count = 2;
185 :
186 : /* insert into list */
187 526196 : dyn->next = conn->dyns;
188 526196 : conn->dyns = dyn;
189 :
190 526196 : strlcpy(dyn->id, id, TDS_MAX_DYNID_LEN);
191 :
192 526196 : return dyn;
193 :
194 526196 : Cleanup:
195 : return NULL;
196 : }
197 :
198 : /**
199 : * \fn void tds_free_input_params(TDSDYNAMIC *dyn)
200 : * \brief Frees all allocated input parameters of a dynamic statement.
201 : * \param dyn the dynamic statement whose input parameter are to be freed
202 : *
203 : * tds_free_input_params frees all parameters for the give dynamic statement
204 : */
205 : void
206 1102 : tds_free_input_params(TDSDYNAMIC * dyn)
207 : {
208 : TDSPARAMINFO *info;
209 :
210 527298 : info = dyn->params;
211 527298 : if (info) {
212 1088 : tds_free_param_results(info);
213 738 : dyn->params = NULL;
214 : }
215 1102 : }
216 :
217 : /*
218 : * Called when dynamic got deallocated from server
219 : */
220 : void
221 526356 : tds_dynamic_deallocated(TDSCONNECTION *conn, TDSDYNAMIC *dyn)
222 : {
223 : TDSDYNAMIC **victim;
224 :
225 526356 : tdsdump_log(TDS_DBG_FUNC, "tds_dynamic_deallocated() : freeing dynamic_id %s\n", dyn->id);
226 :
227 526356 : victim = &conn->dyns;
228 1052872 : while (*victim != dyn) {
229 320 : if (*victim == NULL) {
230 160 : tdsdump_log(TDS_DBG_FUNC, "tds_dynamic_deallocated() : cannot find id %s\n", dyn->id);
231 : return;
232 : }
233 160 : victim = &(*victim)->next;
234 : }
235 :
236 : /* remove from list */
237 526196 : *victim = dyn->next;
238 526196 : dyn->next = NULL;
239 :
240 : /* assure there is no id left */
241 526196 : dyn->num_id = 0;
242 :
243 526196 : tds_release_dynamic(&dyn);
244 : }
245 :
246 :
247 : /**
248 : * \fn void tds_release_dynamic(TDSDYNAMIC **pdyn)
249 : * \brief Frees dynamic statement
250 : * \param pdyn pointer to dynamic statement to be freed.
251 : */
252 : void
253 1127341 : tds_release_dynamic(TDSDYNAMIC ** pdyn)
254 : {
255 : TDSDYNAMIC *dyn;
256 :
257 1127341 : dyn = *pdyn;
258 1127341 : *pdyn = NULL;
259 1127341 : if (!dyn || --dyn->ref_count > 0)
260 : return;
261 :
262 1052392 : tds_detach_results(dyn->res_info);
263 :
264 526196 : tds_free_results(dyn->res_info);
265 526196 : tds_free_input_params(dyn);
266 526196 : free(dyn->query);
267 526196 : free(dyn);
268 : }
269 :
270 : /**
271 : * \fn TDSPARAMINFO *tds_alloc_param_result(TDSPARAMINFO *old_param)
272 : * \brief Adds a output parameter to TDSPARAMINFO.
273 : * \param old_param a pointer to the TDSPARAMINFO structure containing the
274 : * current set of output parameter, or NULL if none exists.
275 : * \return a pointer to the new TDSPARAMINFO structure.
276 : *
277 : * tds_alloc_param_result() works a bit differently than the other alloc result
278 : * functions. Output parameters come in individually with no total number
279 : * given in advance, so we simply call this func every time with get a
280 : * TDS_PARAM_TOKEN and let it realloc the columns struct one bigger.
281 : * tds_free_all_results() usually cleans up after us.
282 : */
283 : TDSPARAMINFO *
284 32358 : tds_alloc_param_result(TDSPARAMINFO * old_param)
285 : {
286 : TDSPARAMINFO *param_info;
287 : TDSCOLUMN *colinfo;
288 :
289 : /* parameters cannot have row associated */
290 32358 : if (old_param && (old_param->current_row || old_param->row_free))
291 : return NULL;
292 :
293 32358 : colinfo = tds_alloc_column();
294 32358 : if (!colinfo)
295 : return NULL;
296 :
297 32358 : param_info = old_param;
298 32358 : if (!param_info) {
299 23336 : TEST_MALLOC(param_info, TDSPARAMINFO);
300 23336 : param_info->ref_count = 1;
301 : }
302 :
303 32358 : if (!TDS_RESIZE(param_info->columns, param_info->num_cols + 1u))
304 : goto Cleanup;
305 :
306 32358 : param_info->columns[param_info->num_cols++] = colinfo;
307 32358 : return param_info;
308 :
309 0 : Cleanup:
310 0 : if (!old_param)
311 0 : free(param_info);
312 0 : free(colinfo);
313 0 : return NULL;
314 : }
315 :
316 : /**
317 : * Delete latest parameter
318 : */
319 : void
320 18 : tds_free_param_result(TDSPARAMINFO * param_info)
321 : {
322 : TDSCOLUMN *col;
323 :
324 18 : if (!param_info || param_info->num_cols <= 0)
325 : return;
326 :
327 18 : col = param_info->columns[--param_info->num_cols];
328 18 : if (col->column_data && col->column_data_free)
329 18 : col->column_data_free(col);
330 :
331 18 : if (param_info->num_cols == 0)
332 18 : TDS_ZERO_FREE(param_info->columns);
333 :
334 : /*
335 : * NOTE some informations should be freed too but when this function
336 : * is called are not used. I hope to remove the need for this
337 : * function ASAP
338 : * A better way is to support different way to allocate and get
339 : * parameters
340 : * -- freddy77
341 : */
342 18 : tds_free_column(col);
343 : }
344 :
345 : static void
346 : tds_free_tvp_row(TDS_TVP_ROW *row)
347 : {
348 36 : tds_free_param_results(row->params);
349 : }
350 :
351 : static void
352 19696 : tds_param_free(TDSCOLUMN *col)
353 : {
354 19696 : if (!col->column_data)
355 : return;
356 :
357 19696 : if (col->column_type == SYBMSTABLE) {
358 4 : tds_deinit_tvp((TDS_TVP *) col->column_data);
359 19692 : } else if (is_blob_col(col)) {
360 1714 : TDSBLOB *blob = (TDSBLOB *) col->column_data;
361 1714 : free(blob->textvalue);
362 : }
363 :
364 19696 : TDS_ZERO_FREE(col->column_data);
365 : }
366 :
367 : /**
368 : * Allocate data for a parameter.
369 : * @param curparam parameter to retrieve size information
370 : * @return NULL on failure or new data
371 : */
372 : void *
373 19696 : tds_alloc_param_data(TDSCOLUMN * curparam)
374 : {
375 : TDS_INT data_size;
376 : void *data;
377 :
378 19696 : CHECK_COLUMN_EXTRA(curparam);
379 :
380 19696 : data_size = curparam->funcs->row_len(curparam);
381 :
382 : /* allocate data */
383 19696 : if (curparam->column_data && curparam->column_data_free)
384 0 : curparam->column_data_free(curparam);
385 19696 : curparam->column_data_free = tds_param_free;
386 :
387 19696 : data = malloc(data_size);
388 19696 : curparam->column_data = (unsigned char*) data;
389 19696 : if (!data)
390 : return NULL;
391 : /* if is a blob reset buffer */
392 19696 : if (is_blob_col(curparam) || curparam->column_type == SYBMSTABLE)
393 1718 : memset(data, 0, data_size);
394 :
395 : return data;
396 : }
397 :
398 : /**
399 : * Allocate memory for storing compute info
400 : * return NULL on out of memory
401 : */
402 :
403 : static TDSCOMPUTEINFO *
404 72 : tds_alloc_compute_result(TDS_USMALLINT num_cols, TDS_USMALLINT by_cols)
405 : {
406 : TDS_USMALLINT col;
407 : TDSCOMPUTEINFO *info;
408 :
409 72 : TEST_MALLOC(info, TDSCOMPUTEINFO);
410 72 : info->ref_count = 1;
411 :
412 72 : TEST_CALLOC(info->columns, TDSCOLUMN *, num_cols);
413 :
414 72 : info->num_cols = num_cols;
415 144 : for (col = 0; col < num_cols; col++)
416 72 : if (!(info->columns[col] = tds_alloc_column()))
417 : goto Cleanup;
418 :
419 72 : if (by_cols) {
420 24 : TEST_CALLOC(info->bycolumns, TDS_SMALLINT, by_cols);
421 24 : info->by_cols = by_cols;
422 : }
423 :
424 : return info;
425 0 : Cleanup:
426 0 : tds_free_compute_result(info);
427 0 : return NULL;
428 : }
429 :
430 : TDSCOMPUTEINFO **
431 72 : tds_alloc_compute_results(TDSSOCKET * tds, TDS_USMALLINT num_cols, TDS_USMALLINT by_cols)
432 : {
433 : TDS_UINT n;
434 : TDSCOMPUTEINFO **comp_info;
435 : TDSCOMPUTEINFO *cur_comp_info;
436 :
437 72 : tdsdump_log(TDS_DBG_FUNC, "alloc_compute_result. num_cols = %d bycols = %d\n", num_cols, by_cols);
438 72 : tdsdump_log(TDS_DBG_FUNC, "alloc_compute_result. num_comp_info = %d\n", tds->num_comp_info);
439 :
440 72 : cur_comp_info = tds_alloc_compute_result(num_cols, by_cols);
441 72 : if (!cur_comp_info)
442 : return NULL;
443 :
444 72 : n = tds->num_comp_info;
445 72 : comp_info = (TDSCOMPUTEINFO **) TDS_RESIZE(tds->comp_info, n + 1u);
446 72 : if (!comp_info) {
447 0 : tds_free_compute_result(cur_comp_info);
448 0 : return NULL;
449 : }
450 :
451 72 : tds->comp_info = comp_info;
452 72 : comp_info[n] = cur_comp_info;
453 72 : tds->num_comp_info = n + 1u;
454 :
455 72 : tdsdump_log(TDS_DBG_FUNC, "alloc_compute_result. num_comp_info = %d\n", tds->num_comp_info);
456 :
457 : return comp_info;
458 : }
459 :
460 : TDSRESULTINFO *
461 27602 : tds_alloc_results(TDS_USMALLINT num_cols)
462 : {
463 : TDSRESULTINFO *res_info;
464 : TDS_USMALLINT col;
465 :
466 27602 : TEST_MALLOC(res_info, TDSRESULTINFO);
467 27602 : res_info->ref_count = 1;
468 27602 : if (num_cols)
469 27452 : TEST_CALLOC(res_info->columns, TDSCOLUMN *, num_cols);
470 48932 : for (col = 0; col < num_cols; col++)
471 48932 : if (!(res_info->columns[col] = tds_alloc_column()))
472 : goto Cleanup;
473 27602 : res_info->num_cols = num_cols;
474 27602 : res_info->row_size = 0;
475 27602 : return res_info;
476 0 : Cleanup:
477 0 : tds_free_results(res_info);
478 0 : return NULL;
479 : }
480 :
481 : void
482 295060 : tds_set_current_results(TDSSOCKET *tds, TDSRESULTINFO *info)
483 : {
484 295060 : tds_detach_results(info);
485 295060 : if (tds->current_results)
486 470 : tds->current_results->attached_to = NULL;
487 295060 : if (info)
488 295054 : info->attached_to = tds;
489 295060 : tds->in_row = (info != NULL);
490 295060 : tds->current_results = info;
491 295060 : }
492 :
493 : /**
494 : * Detach result info from it current socket
495 : */
496 : void
497 0 : tds_detach_results(TDSRESULTINFO *info)
498 : {
499 1161206 : if (info && info->attached_to) {
500 294578 : info->attached_to->current_results = NULL;
501 294578 : info->attached_to->in_row = false;
502 294578 : info->attached_to = NULL;
503 : }
504 0 : }
505 :
506 : static void
507 27396 : tds_row_free(TDSRESULTINFO *res_info, unsigned char *row)
508 : {
509 : int i;
510 : const TDSCOLUMN *col;
511 :
512 27396 : if (!res_info || !row)
513 : return;
514 :
515 48950 : for (i = 0; i < res_info->num_cols; ++i) {
516 48950 : col = res_info->columns[i];
517 :
518 48950 : if (is_blob_col(col)) {
519 2912 : TDSBLOB *blob = (TDSBLOB *) &row[col->column_data - res_info->current_row];
520 2912 : if (blob->textvalue)
521 2372 : TDS_ZERO_FREE(blob->textvalue);
522 : }
523 : }
524 :
525 27396 : free(row);
526 : }
527 :
528 : /**
529 : * Allocate space for row store
530 : * return NULL on out of memory
531 : */
532 : TDSRET
533 27420 : tds_alloc_row(TDSRESULTINFO * res_info)
534 : {
535 27420 : int i, num_cols = res_info->num_cols;
536 : unsigned char *ptr;
537 : TDSCOLUMN *col;
538 : TDS_UINT row_size;
539 :
540 : /* compute row size */
541 27420 : row_size = 0;
542 76430 : for (i = 0; i < num_cols; ++i) {
543 49010 : col = res_info->columns[i];
544 :
545 49010 : col->column_data_free = NULL;
546 :
547 49010 : row_size += col->funcs->row_len(col);
548 49010 : row_size += (TDS_ALIGN_SIZE - 1);
549 49010 : row_size -= row_size % TDS_ALIGN_SIZE;
550 : }
551 27420 : res_info->row_size = row_size;
552 :
553 27420 : ptr = tds_new0(unsigned char, res_info->row_size);
554 27420 : res_info->current_row = ptr;
555 27420 : if (!ptr)
556 : return TDS_FAIL;
557 27420 : res_info->row_free = tds_row_free;
558 :
559 : /* fill column_data */
560 27420 : row_size = 0;
561 76430 : for (i = 0; i < num_cols; ++i) {
562 49010 : col = res_info->columns[i];
563 :
564 49010 : col->column_data = ptr + row_size;
565 :
566 49010 : row_size += col->funcs->row_len(col);
567 49010 : row_size += (TDS_ALIGN_SIZE - 1);
568 49010 : row_size -= row_size % TDS_ALIGN_SIZE;
569 : }
570 :
571 : return TDS_SUCCESS;
572 : }
573 :
574 : TDSRET
575 72 : tds_alloc_compute_row(TDSCOMPUTEINFO * res_info)
576 : {
577 72 : return tds_alloc_row(res_info);
578 : }
579 :
580 : void
581 80355 : tds_free_param_results(TDSPARAMINFO * param_info)
582 : {
583 220771 : tds_free_results(param_info);
584 80355 : }
585 :
586 : static void
587 : tds_free_compute_result(TDSCOMPUTEINFO * comp_info)
588 : {
589 72 : tds_free_results(comp_info);
590 : }
591 :
592 : static void
593 139302 : tds_free_compute_results(TDSSOCKET * tds)
594 : {
595 139302 : TDSCOMPUTEINFO ** comp_info = tds->comp_info;
596 139302 : TDS_UINT i, num_comp = tds->num_comp_info;
597 :
598 139302 : tds->comp_info = NULL;
599 139302 : tds->num_comp_info = 0;
600 :
601 139374 : for (i = 0; i < num_comp; i++) {
602 72 : if (comp_info && comp_info[i]) {
603 144 : tds_detach_results(comp_info[i]);
604 72 : tds_free_compute_result(comp_info[i]);
605 : }
606 : }
607 139302 : if (num_comp)
608 48 : free(comp_info);
609 139302 : }
610 :
611 : void
612 156477 : tds_free_row(TDSRESULTINFO * res_info, unsigned char *row)
613 : {
614 156477 : assert(res_info);
615 156477 : if (!row || !res_info->row_free)
616 : return;
617 :
618 2176 : res_info->row_free(res_info, row);
619 : }
620 :
621 : void
622 1140296 : tds_free_results(TDSRESULTINFO * res_info)
623 : {
624 : int i;
625 : TDSCOLUMN *curcol;
626 :
627 1140296 : if (!res_info)
628 : return;
629 :
630 217029 : if (--res_info->ref_count != 0)
631 : return;
632 :
633 50986 : tds_detach_results(res_info);
634 :
635 50986 : if (res_info->num_cols && res_info->columns) {
636 81284 : for (i = 0; i < res_info->num_cols; i++)
637 81284 : if ((curcol = res_info->columns[i]) != NULL) {
638 81284 : if (curcol->bcp_terminator)
639 42 : TDS_ZERO_FREE(curcol->bcp_terminator);
640 81284 : tds_free_bcp_column_data(curcol->bcp_column_data);
641 81284 : curcol->bcp_column_data = NULL;
642 81284 : if (curcol->column_data && curcol->column_data_free)
643 20102 : curcol->column_data_free(curcol);
644 : }
645 : }
646 :
647 50986 : if (res_info->current_row && res_info->row_free)
648 25294 : res_info->row_free(res_info, res_info->current_row);
649 :
650 50986 : if (res_info->num_cols && res_info->columns) {
651 81284 : for (i = 0; i < res_info->num_cols; i++)
652 81284 : if ((curcol = res_info->columns[i]) != NULL)
653 81284 : tds_free_column(curcol);
654 50968 : free(res_info->columns);
655 : }
656 :
657 50986 : free(res_info->bycolumns);
658 :
659 50986 : free(res_info);
660 : }
661 :
662 : void
663 139302 : tds_free_all_results(TDSSOCKET * tds)
664 : {
665 139302 : tdsdump_log(TDS_DBG_FUNC, "tds_free_all_results()\n");
666 278604 : tds_detach_results(tds->res_info);
667 139302 : tds_free_results(tds->res_info);
668 139302 : tds->res_info = NULL;
669 278604 : tds_detach_results(tds->param_info);
670 278604 : tds_free_param_results(tds->param_info);
671 139302 : tds->param_info = NULL;
672 139302 : tds_free_compute_results(tds);
673 139302 : tds->has_status = false;
674 139302 : tds->in_row = false;
675 139302 : tds->ret_status = 0;
676 139302 : if (tds->cur_dyn)
677 4815 : tds_detach_results(tds->cur_dyn->res_info);
678 139302 : }
679 :
680 : /*
681 : * Return 1 if winsock is initialized, else 0.
682 : */
683 : static int
684 : winsock_initialized(void)
685 : {
686 : #if defined(_WIN32) || defined(_WIN64)
687 : static bool initialized = false;
688 : static tds_mutex mtx = TDS_MUTEX_INITIALIZER;
689 :
690 : WSADATA wsa_data;
691 : int erc;
692 :
693 : if (initialized)
694 : return 1;
695 :
696 : tds_mutex_lock(&mtx);
697 : /* same check inside the mutex */
698 : if (initialized) {
699 : tds_mutex_unlock(&mtx);
700 : return 1;
701 : }
702 :
703 : /* initialize the socket layer */
704 : erc = WSAStartup(MAKEWORD(2, 2), &wsa_data);
705 : initialized = (erc == 0);
706 : tds_mutex_unlock(&mtx);
707 :
708 : if (erc != 0) {
709 : char *errstr = sock_strerror(erc);
710 : tdsdump_log(TDS_DBG_ERROR, "tds_init_winsock: WSAStartup failed with %d (%s)\n", erc, errstr);
711 : sock_strerror_free(errstr);
712 : return 0;
713 : }
714 : #endif
715 : return 1;
716 : }
717 :
718 : TDSCONTEXT *
719 2818 : tds_alloc_context(void * parent)
720 : {
721 : TDSCONTEXT *context;
722 : TDSLOCALE *locale;
723 :
724 : if (!winsock_initialized())
725 : return NULL;
726 :
727 2818 : if ((locale = tds_get_locale()) == NULL)
728 : return NULL;
729 :
730 2818 : if ((context = tds_new0(TDSCONTEXT, 1)) == NULL) {
731 0 : tds_free_locale(locale);
732 0 : return NULL;
733 : }
734 2818 : context->locale = locale;
735 2818 : context->parent = parent;
736 2818 : context->money_use_2_digits = false;
737 :
738 2818 : return context;
739 : }
740 :
741 : void
742 2794 : tds_free_context(TDSCONTEXT * context)
743 : {
744 2794 : if (!context)
745 : return;
746 :
747 2794 : tds_free_locale(context->locale);
748 2794 : free(context);
749 : }
750 :
751 : TDSLOCALE *
752 2882 : tds_alloc_locale(void)
753 : {
754 : TDSLOCALE *locale;
755 :
756 2882 : TEST_MALLOC(locale, TDSLOCALE);
757 :
758 : return locale;
759 :
760 0 : Cleanup:
761 0 : tds_free_locale(locale);
762 0 : return NULL;
763 : }
764 :
765 : /*
766 : * Default capabilities.
767 : */
768 : #undef REQ
769 : #define SUPPORTED_REQ_CAP(i) \
770 : REQ(i,LANG) REQ(i,RPC) REQ(i,EVT) REQ(i,MSTMT) REQ(i,BCP) REQ(i,CURSOR) REQ(i,DYNF) \
771 : REQ(i,MSG) REQ(i,PARAM) REQ(i,DATA_INT1) REQ(i,DATA_INT2) REQ(i,DATA_INT4) REQ(i,DATA_BIT) \
772 : REQ(i,DATA_CHAR) REQ(i,DATA_VCHAR) REQ(i,DATA_BIN) REQ(i,DATA_VBIN) REQ(i,DATA_MNY8) \
773 : REQ(i,DATA_MNY4) REQ(i,DATA_DATE8) REQ(i,DATA_DATE4) REQ(i,DATA_FLT4) REQ(i,DATA_FLT8) \
774 : REQ(i,DATA_NUM) REQ(i,DATA_TEXT) REQ(i,DATA_IMAGE) REQ(i,DATA_DEC) REQ(i,DATA_LCHAR) \
775 : REQ(i,DATA_LBIN) REQ(i,DATA_INTN) REQ(i,DATA_DATETIMEN) REQ(i,DATA_MONEYN) \
776 : REQ(i,CSR_PREV) REQ(i,CSR_FIRST) REQ(i,CSR_LAST) REQ(i,CSR_ABS) REQ(i,CSR_REL) \
777 : REQ(i,CSR_MULTI) REQ(i,CON_INBAND) REQ(i,PROTO_TEXT) REQ(i,PROTO_BULK) \
778 : REQ(i,DATA_SENSITIVITY) REQ(i,DATA_BOUNDARY) REQ(i,PROTO_DYNPROC) REQ(i,DATA_FLTN) \
779 : REQ(i,DATA_BITN) REQ(i,DATA_INT8) REQ(i,WIDETABLE) \
780 : REQ(i,DATA_UINT2) REQ(i,DATA_UINT4) REQ(i,DATA_UINT8) REQ(i,DATA_UINTN) REQ(i,LARGEIDENT) \
781 : REQ(i,SRVPKTSIZE) REQ(i,DATA_DATE) REQ(i,DATA_TIME) REQ(i,DATA_BIGTIME) REQ(i,DATA_BIGDATETIME)
782 : #define REQ(i,n) |(((TDS_REQ_ ## n / 8) == i)?(1<<(TDS_REQ_ ## n & 7)):0)
783 : #define REQB(i) 0 SUPPORTED_REQ_CAP(i)
784 :
785 : #undef RES
786 : #define SUPPORTED_RES_CAP(i) \
787 : RES(i,CON_NOOOB) RES(i,PROTO_NOTEXT) RES(i,PROTO_NOBULK) RES(i,NOTDSDEBUG)
788 : #define RES(i,n) |(((TDS_RES_ ## n / 8) == i)?(1<<(TDS_RES_ ## n & 7)):0)
789 : #define RESB(i) 0 SUPPORTED_RES_CAP(i)
790 :
791 : static const TDS_CAPABILITIES defaultcaps = { {
792 : /* type, len, data, data, data, data, data, data, data, data, data, data, data, data, data, data (14 bytes) */
793 : { 1, 14, { REQB(13), REQB(12), REQB(11), REQB(10), REQB(9), REQB(8), REQB(7),
794 : REQB(6), REQB(5), REQB(4), REQB(3), REQB(2), REQB(1), REQB(0) } },
795 : { 2, 14, { RESB(13), RESB(12), RESB(11), RESB(10), RESB(9), RESB(8), RESB(7),
796 : RESB(6), RESB(5), RESB(4), RESB(3), RESB(2), RESB(1), RESB(0) } }
797 : } };
798 : /* check we match the values size */
799 : TDS_COMPILE_CHECK(tds_values_len, sizeof(defaultcaps.types[0].values) == 14);
800 : /* check we match the default size */
801 : TDS_COMPILE_CHECK(tds_cap_len, sizeof(defaultcaps) == TDS_MAX_CAPABILITY);
802 :
803 : /**
804 : * Initialize login structure with locale information and other stuff for connection
805 : * @param locale locale information (copied to configuration information)
806 : * @result login structure or NULL if initialization error
807 : */
808 : TDSLOGIN*
809 2992 : tds_init_login(TDSLOGIN *login, TDSLOCALE * locale)
810 : {
811 : char hostname[128];
812 : #if HAVE_NL_LANGINFO && defined(CODESET)
813 : const char *charset;
814 : #elif !defined(_WIN32)
815 : char *lc_all, *tok = NULL;
816 : #endif
817 : #ifdef _WIN32
818 : char cp[128];
819 : #endif
820 :
821 : /*
822 : * TDS 7.0:
823 : * ODBC driver settings.
824 : * Change to initial language must succeed.
825 : */
826 2992 : login->option_flag2 = TDS_INIT_LANG_REQUIRED|TDS_ODBC_ON;
827 2992 : login->tds_version = TDS_DEFAULT_VERSION;
828 2992 : login->block_size = 0;
829 :
830 : #if HAVE_NL_LANGINFO && defined(CODESET)
831 2992 : charset = nl_langinfo(CODESET);
832 2992 : if (strcmp(tds_canonical_charset_name(charset), "US-ASCII") == 0)
833 2980 : charset = "ISO-8859-1";
834 2992 : if (!tds_dstr_copy(&login->client_charset, charset))
835 : return NULL;
836 : #else
837 : if (!tds_dstr_copy(&login->client_charset, "ISO-8859-1"))
838 : return NULL;
839 :
840 : #ifdef _WIN32
841 : /* for Windows uses GetLocaleInfoA */
842 : strcpy(cp, "CP");
843 : if (GetLocaleInfoA(GetThreadLocale(), LOCALE_IDEFAULTANSICODEPAGE, cp + 2, sizeof(cp) - 2) > 0)
844 : if (!tds_dstr_copy(&login->client_charset, cp))
845 : return NULL;
846 : #else
847 : if ((lc_all = strdup(setlocale(LC_ALL, NULL))) == NULL)
848 : return NULL;
849 :
850 : if (strtok_r(lc_all, ".", &tok)) {
851 : char *encoding = strtok_r(NULL, "@", &tok);
852 : if (encoding) {
853 : if (!tds_dstr_copy(&login->client_charset, encoding))
854 : return NULL;
855 : }
856 : }
857 : free(lc_all);
858 : #endif
859 : #endif
860 :
861 2992 : if (locale) {
862 2992 : if (locale->language)
863 0 : if (!tds_dstr_copy(&login->language, locale->language))
864 : return NULL;
865 2992 : if (locale->server_charset)
866 0 : if (!tds_dstr_copy(&login->server_charset, locale->server_charset))
867 : return NULL;
868 : }
869 5984 : if (tds_dstr_isempty(&login->language)) {
870 2936 : if (!tds_dstr_copy(&login->language, TDS_DEF_LANG))
871 : return NULL;
872 : }
873 2992 : memset(hostname, '\0', sizeof(hostname));
874 2992 : gethostname(hostname, sizeof(hostname));
875 2992 : hostname[sizeof(hostname) - 1] = '\0'; /* make sure it's terminated */
876 2992 : if (!tds_dstr_copy(&login->client_host_name, hostname))
877 : return NULL;
878 :
879 2992 : login->valid_configuration = 1;
880 2992 : login->check_ssl_hostname = 1;
881 :
882 2992 : return login;
883 : }
884 :
885 : TDSCURSOR *
886 1742 : tds_alloc_cursor(TDSSOCKET *tds, const char *name, TDS_INT namelen, const char *query, TDS_INT querylen)
887 : {
888 : TDSCURSOR *cursor;
889 : TDSCURSOR *pcursor;
890 :
891 1742 : TEST_MALLOC(cursor, TDSCURSOR);
892 1742 : cursor->ref_count = 1;
893 :
894 1742 : cursor->type = TDS_CUR_TYPE_KEYSET;
895 1742 : cursor->concurrency = TDS_CUR_CONCUR_OPTIMISTIC;
896 :
897 1742 : TEST_CALLOC(cursor->cursor_name, char, namelen + 1);
898 1742 : memcpy(cursor->cursor_name, name, namelen);
899 :
900 1742 : TEST_CALLOC(cursor->query, char, querylen + 1);
901 1742 : memcpy(cursor->query, query, querylen);
902 :
903 1742 : if (tds->conn->cursors == NULL) {
904 1716 : tds->conn->cursors = cursor;
905 : } else {
906 0 : for (pcursor = tds->conn->cursors; pcursor->next; pcursor = pcursor->next)
907 0 : continue;
908 26 : pcursor->next = cursor;
909 : }
910 : /* take into account reference in connection list */
911 1742 : ++cursor->ref_count;
912 :
913 1742 : return cursor;
914 :
915 0 : Cleanup:
916 0 : tds_release_cursor(&cursor);
917 0 : return NULL;
918 : }
919 :
920 : /*
921 : * Called when cursor got deallocated from server
922 : */
923 : void
924 1742 : tds_cursor_deallocated(TDSCONNECTION *conn, TDSCURSOR *cursor)
925 : {
926 : TDSCURSOR **victim;
927 :
928 1742 : tdsdump_log(TDS_DBG_FUNC, "tds_cursor_deallocated() : freeing cursor_id %d\n", cursor->cursor_id);
929 :
930 1742 : victim = &conn->cursors;
931 3496 : while (*victim != cursor) {
932 12 : if (*victim == NULL) {
933 0 : tdsdump_log(TDS_DBG_FUNC, "tds_cursor_deallocated() : cannot find cursor_id %d\n", cursor->cursor_id);
934 : return;
935 : }
936 12 : victim = &(*victim)->next;
937 : }
938 :
939 : /* remove from list */
940 1742 : *victim = cursor->next;
941 1742 : cursor->next = NULL;
942 :
943 1742 : tds_release_cursor(&cursor);
944 : }
945 :
946 : /*
947 : * Decrement reference counter and free if necessary.
948 : * Called internally by libTDS and by upper library when you don't need
949 : * cursor reference anymore
950 : */
951 : void
952 68086 : tds_release_cursor(TDSCURSOR **pcursor)
953 : {
954 68086 : TDSCURSOR *cursor = *pcursor;
955 68086 : *pcursor = NULL;
956 68086 : if (!cursor || --cursor->ref_count > 0)
957 : return;
958 :
959 1742 : tdsdump_log(TDS_DBG_FUNC, "tds_release_cursor() : freeing cursor_id %d\n", cursor->cursor_id);
960 :
961 1742 : tdsdump_log(TDS_DBG_FUNC, "tds_release_cursor() : freeing cursor results\n");
962 3484 : tds_detach_results(cursor->res_info);
963 1742 : tds_free_results(cursor->res_info);
964 :
965 1742 : if (cursor->cursor_name) {
966 1742 : tdsdump_log(TDS_DBG_FUNC, "tds_release_cursor() : freeing cursor name\n");
967 1742 : free(cursor->cursor_name);
968 : }
969 :
970 1742 : if (cursor->query) {
971 1742 : tdsdump_log(TDS_DBG_FUNC, "tds_release_cursor() : freeing cursor query\n");
972 1742 : free(cursor->query);
973 : }
974 :
975 1742 : tdsdump_log(TDS_DBG_FUNC, "tds_release_cursor() : cursor_id %d freed\n", cursor->cursor_id);
976 1742 : free(cursor);
977 : }
978 :
979 : TDSLOGIN *
980 5738 : tds_alloc_login(int use_environment)
981 : {
982 5738 : TDSLOGIN *login = NULL;
983 5738 : const char *server_name = TDS_DEF_SERVER;
984 :
985 5738 : TEST_MALLOC(login, TDSLOGIN);
986 5738 : login->check_ssl_hostname = 1;
987 5738 : login->use_utf16 = 1;
988 5738 : login->bulk_copy = 1;
989 11476 : tds_dstr_init(&login->server_name);
990 11476 : tds_dstr_init(&login->language);
991 11476 : tds_dstr_init(&login->server_charset);
992 11476 : tds_dstr_init(&login->client_host_name);
993 11476 : tds_dstr_init(&login->server_host_name);
994 11476 : tds_dstr_init(&login->app_name);
995 11476 : tds_dstr_init(&login->user_name);
996 11476 : tds_dstr_init(&login->password);
997 11476 : tds_dstr_init(&login->library);
998 11476 : tds_dstr_init(&login->new_password);
999 :
1000 5738 : login->ip_addrs = NULL;
1001 :
1002 11476 : tds_dstr_init(&login->database);
1003 11476 : tds_dstr_init(&login->dump_file);
1004 11476 : tds_dstr_init(&login->client_charset);
1005 11476 : tds_dstr_init(&login->instance_name);
1006 11476 : tds_dstr_init(&login->server_realm_name);
1007 11476 : tds_dstr_init(&login->server_spn);
1008 11476 : tds_dstr_init(&login->cafile);
1009 11476 : tds_dstr_init(&login->crlfile);
1010 11476 : tds_dstr_init(&login->db_filename);
1011 11476 : tds_dstr_init(&login->openssl_ciphers);
1012 11476 : tds_dstr_init(&login->routing_address);
1013 :
1014 5738 : if (use_environment) {
1015 : const char *s;
1016 2746 : if ((s=getenv("DSQUERY")) != NULL)
1017 0 : server_name = s;
1018 :
1019 2746 : if ((s=getenv("TDSQUERY")) != NULL)
1020 0 : server_name = s;
1021 : }
1022 :
1023 5738 : if (!tds_dstr_copy(&login->server_name, server_name)) {
1024 0 : free(login);
1025 0 : return NULL;
1026 : }
1027 :
1028 5738 : login->capabilities = defaultcaps;
1029 5738 : login->use_ntlmv2_specified = 0;
1030 5738 : login->use_ntlmv2 = 1;
1031 :
1032 0 : Cleanup:
1033 : return login;
1034 : }
1035 :
1036 : void
1037 6424 : tds_free_login(TDSLOGIN * login)
1038 : {
1039 6424 : if (!login)
1040 : return;
1041 :
1042 : /* for security reason clear memory */
1043 5712 : tds_dstr_zero(&login->password);
1044 5712 : tds_dstr_free(&login->password);
1045 5712 : tds_dstr_zero(&login->new_password);
1046 5712 : tds_dstr_free(&login->new_password);
1047 5712 : tds_dstr_free(&login->server_name);
1048 5712 : tds_dstr_free(&login->language);
1049 5712 : tds_dstr_free(&login->server_charset);
1050 5712 : tds_dstr_free(&login->client_host_name);
1051 5712 : tds_dstr_free(&login->app_name);
1052 5712 : tds_dstr_free(&login->user_name);
1053 5712 : tds_dstr_free(&login->library);
1054 5712 : tds_dstr_free(&login->client_charset);
1055 5712 : tds_dstr_free(&login->server_host_name);
1056 :
1057 5712 : if (login->ip_addrs != NULL)
1058 2990 : freeaddrinfo(login->ip_addrs);
1059 :
1060 5712 : tds_dstr_free(&login->database);
1061 5712 : tds_dstr_free(&login->dump_file);
1062 5712 : tds_dstr_free(&login->instance_name);
1063 5712 : tds_dstr_free(&login->server_realm_name);
1064 5712 : tds_dstr_free(&login->server_spn);
1065 5712 : tds_dstr_free(&login->cafile);
1066 5712 : tds_dstr_free(&login->crlfile);
1067 5712 : tds_dstr_free(&login->db_filename);
1068 5712 : tds_dstr_free(&login->openssl_ciphers);
1069 5712 : tds_dstr_free(&login->routing_address);
1070 5712 : free(login);
1071 : }
1072 :
1073 : TDSPACKET *
1074 12409 : tds_alloc_packet(void *buf, unsigned len)
1075 : {
1076 12409 : TDSPACKET *packet = (TDSPACKET *) malloc(len + TDS_OFFSET(TDSPACKET, buf));
1077 12409 : if (TDS_LIKELY(packet)) {
1078 8608 : tds_packet_zero_data_start(packet);
1079 12409 : packet->data_len = 0;
1080 12409 : packet->capacity = len;
1081 12409 : packet->sid = 0;
1082 12409 : packet->next = NULL;
1083 12409 : if (buf) {
1084 113 : memcpy(packet->buf, buf, len);
1085 113 : packet->data_len = len;
1086 : }
1087 : }
1088 12409 : return packet;
1089 : }
1090 :
1091 : TDSPACKET *
1092 38928 : tds_realloc_packet(TDSPACKET *packet, unsigned len)
1093 : {
1094 44817 : if (packet->capacity < len) {
1095 4925 : packet = (TDSPACKET *) realloc(packet, len + TDS_OFFSET(TDSPACKET, buf));
1096 4925 : if (TDS_LIKELY(packet))
1097 4925 : packet->capacity = len;
1098 : }
1099 38928 : return packet;
1100 : }
1101 :
1102 : void
1103 40549 : tds_free_packets(TDSPACKET *packet)
1104 : {
1105 : TDSPACKET *next;
1106 52898 : for (; packet; packet = next) {
1107 12349 : next = packet->next;
1108 12349 : free(packet);
1109 : }
1110 40549 : }
1111 :
1112 : static void
1113 3726 : tds_deinit_connection(TDSCONNECTION *conn)
1114 : {
1115 3726 : if (conn->authentication)
1116 0 : conn->authentication->free(conn, conn->authentication);
1117 3726 : conn->authentication = NULL;
1118 7492 : while (conn->dyns)
1119 40 : tds_dynamic_deallocated(conn, conn->dyns);
1120 3738 : while (conn->cursors)
1121 12 : tds_cursor_deallocated(conn, conn->cursors);
1122 3726 : tds_ssl_deinit(conn);
1123 : /* close connection and free inactive sockets */
1124 3726 : tds_connection_close(conn);
1125 3726 : tds_wakeup_close(&conn->wakeup);
1126 3726 : tds_iconv_free(conn);
1127 3726 : free(conn->product_name);
1128 3726 : free(conn->server);
1129 3726 : tds_free_env(conn);
1130 7452 : tds_free_packets(conn->packet_cache);
1131 3726 : tds_mutex_free(&conn->list_mtx);
1132 : #if ENABLE_ODBC_MARS
1133 3762 : tds_free_packets(conn->packets);
1134 3762 : tds_free_packets(conn->recv_packet);
1135 3762 : tds_free_packets(conn->send_packets);
1136 1881 : free(conn->sessions);
1137 : #endif
1138 3726 : }
1139 :
1140 : static TDSCONNECTION *
1141 3750 : tds_init_connection(TDSCONNECTION *conn, TDSCONTEXT *context, unsigned int bufsize)
1142 : {
1143 3750 : conn->env.block_size = bufsize;
1144 3750 : conn->s = INVALID_SOCKET;
1145 3750 : conn->use_iconv = 1;
1146 3750 : conn->tds_ctx = context;
1147 3750 : conn->ncharsize = 1;
1148 3750 : conn->unicharsize = 1;
1149 :
1150 3750 : if (tds_wakeup_init(&conn->wakeup))
1151 : goto Cleanup;
1152 :
1153 3750 : if (tds_iconv_alloc(conn))
1154 : goto Cleanup;
1155 :
1156 7500 : if (tds_mutex_init(&conn->list_mtx))
1157 : goto Cleanup;
1158 :
1159 : #if ENABLE_ODBC_MARS
1160 1893 : TEST_CALLOC(conn->sessions, TDSSOCKET*, 64);
1161 1893 : conn->num_sessions = 64;
1162 : #endif
1163 1893 : return conn;
1164 :
1165 0 : Cleanup:
1166 0 : tds_wakeup_close(&conn->wakeup);
1167 0 : tds_iconv_free(conn);
1168 0 : return NULL;
1169 : }
1170 :
1171 : static TDSSOCKET *
1172 3755 : tds_init_socket(TDSSOCKET * tds_socket, unsigned int bufsize)
1173 : {
1174 : TDSPACKET *pkt;
1175 :
1176 3755 : tds_socket->parent = NULL;
1177 :
1178 3755 : tds_socket->recv_packet = tds_alloc_packet(NULL, bufsize);
1179 3755 : if (!tds_socket->recv_packet)
1180 : goto Cleanup;
1181 3755 : tds_socket->in_buf = tds_socket->recv_packet->buf;
1182 :
1183 3755 : pkt = tds_alloc_packet(NULL, bufsize + TDS_ADDITIONAL_SPACE);
1184 3755 : if (!pkt)
1185 : goto Cleanup;
1186 3755 : tds_set_current_send_packet(tds_socket, pkt);
1187 :
1188 3755 : tds_socket->out_buf_max = bufsize;
1189 :
1190 : /* Jeff's hack, init to no timeout */
1191 3755 : tds_socket->query_timeout = 0;
1192 3755 : tds_init_write_buf(tds_socket);
1193 3755 : tds_socket->state = TDS_DEAD;
1194 3755 : tds_socket->env_chg_func = NULL;
1195 7510 : if (tds_mutex_init(&tds_socket->wire_mtx))
1196 : goto Cleanup;
1197 :
1198 : #ifdef ENABLE_ODBC_MARS
1199 1898 : tds_socket->sid = 0;
1200 1898 : if (tds_cond_init(&tds_socket->packet_cond))
1201 : goto Cleanup;
1202 :
1203 1898 : tds_socket->recv_seq = 0;
1204 1898 : tds_socket->send_seq = 0;
1205 1898 : tds_socket->recv_wnd = 4;
1206 1898 : tds_socket->send_wnd = 4;
1207 : #endif
1208 1898 : return tds_socket;
1209 :
1210 0 : Cleanup:
1211 : return NULL;
1212 : }
1213 :
1214 :
1215 : #if ENABLE_ODBC_MARS
1216 : static void
1217 1881 : tds_free_connection(TDSCONNECTION *conn)
1218 : {
1219 1881 : if (!conn) return;
1220 1881 : assert(conn->in_net_tds == NULL);
1221 1881 : tds_deinit_connection(conn);
1222 1881 : free(conn);
1223 : }
1224 :
1225 : static TDSCONNECTION *
1226 1893 : tds_alloc_connection(TDSCONTEXT *context, unsigned int bufsize)
1227 : {
1228 : TDSCONNECTION *conn;
1229 :
1230 1893 : TEST_MALLOC(conn, TDSCONNECTION);
1231 1893 : if (!tds_init_connection(conn, context, bufsize))
1232 : goto Cleanup;
1233 : return conn;
1234 :
1235 0 : Cleanup:
1236 0 : tds_free_connection(conn);
1237 0 : return NULL;
1238 : }
1239 :
1240 : static TDSSOCKET *
1241 1898 : tds_alloc_socket_base(unsigned int bufsize)
1242 : {
1243 : TDSSOCKET *tds_socket;
1244 :
1245 1898 : TEST_MALLOC(tds_socket, TDSSOCKET);
1246 1898 : if (!tds_init_socket(tds_socket, bufsize))
1247 : goto Cleanup;
1248 : return tds_socket;
1249 :
1250 0 : Cleanup:
1251 0 : tds_free_socket(tds_socket);
1252 0 : return NULL;
1253 : }
1254 :
1255 : TDSSOCKET *
1256 1893 : tds_alloc_socket(TDSCONTEXT * context, unsigned int bufsize)
1257 : {
1258 1893 : TDSCONNECTION *conn = tds_alloc_connection(context, bufsize);
1259 : TDSSOCKET *tds;
1260 :
1261 1893 : if (!conn)
1262 : return NULL;
1263 :
1264 1893 : tds = tds_alloc_socket_base(bufsize);
1265 1893 : if (tds) {
1266 1893 : conn->sessions[0] = tds;
1267 1893 : tds->conn = conn;
1268 1893 : return tds;
1269 : }
1270 0 : tds_free_connection(conn);
1271 0 : return NULL;
1272 : }
1273 :
1274 : static bool
1275 5 : tds_alloc_new_sid(TDSSOCKET *tds)
1276 : {
1277 : uint16_t sid;
1278 5 : TDSCONNECTION *conn = tds->conn;
1279 :
1280 5 : tds_mutex_lock(&conn->list_mtx);
1281 7 : for (sid = 1; sid < conn->num_sessions; ++sid)
1282 7 : if (!conn->sessions[sid])
1283 : break;
1284 5 : if (sid == conn->num_sessions) {
1285 : /* extend array */
1286 0 : TDSSOCKET **s = (TDSSOCKET **) TDS_RESIZE(conn->sessions, sid+64);
1287 0 : if (!s)
1288 : goto error;
1289 0 : memset(s + conn->num_sessions, 0, sizeof(*s) * 64);
1290 0 : conn->num_sessions += 64;
1291 : }
1292 5 : conn->sessions[sid] = tds;
1293 5 : tds->sid = sid;
1294 5 : error:
1295 5 : tds_mutex_unlock(&conn->list_mtx);
1296 5 : return tds->sid != 0;
1297 : }
1298 :
1299 : TDSSOCKET *
1300 11 : tds_alloc_additional_socket(TDSCONNECTION *conn)
1301 : {
1302 : TDSSOCKET *tds;
1303 11 : if (!IS_TDS72_PLUS(conn) || !conn->mars)
1304 : return NULL;
1305 :
1306 5 : tds = tds_alloc_socket_base(sizeof(TDS72_SMP_HEADER) + conn->env.block_size);
1307 5 : if (!tds)
1308 : return NULL;
1309 5 : tds->send_packet->data_start = sizeof(TDS72_SMP_HEADER);
1310 5 : tds->out_buf = tds->send_packet->buf + sizeof(TDS72_SMP_HEADER);
1311 5 : tds->out_buf_max -= sizeof(TDS72_SMP_HEADER);
1312 :
1313 5 : tds->conn = conn;
1314 5 : if (!tds_alloc_new_sid(tds))
1315 : goto Cleanup;
1316 :
1317 5 : tds->state = TDS_IDLE;
1318 5 : if (TDS_FAILED(tds_append_syn(tds)))
1319 : goto Cleanup;
1320 :
1321 : return tds;
1322 :
1323 0 : Cleanup:
1324 0 : tds_free_socket(tds);
1325 0 : return NULL;
1326 : }
1327 : #else /* !ENABLE_ODBC_MARS */
1328 : TDSSOCKET *
1329 1857 : tds_alloc_socket(TDSCONTEXT * context, unsigned int bufsize)
1330 : {
1331 : TDSSOCKET *tds_socket;
1332 :
1333 1857 : TEST_MALLOC(tds_socket, TDSSOCKET);
1334 1857 : if (!tds_init_connection(tds_socket->conn, context, bufsize))
1335 : goto Cleanup;
1336 1857 : if (!tds_init_socket(tds_socket, bufsize))
1337 : goto Cleanup;
1338 : return tds_socket;
1339 :
1340 0 : Cleanup:
1341 0 : tds_free_socket(tds_socket);
1342 0 : return NULL;
1343 : }
1344 : #endif /* !ENABLE_ODBC_MARS */
1345 :
1346 : TDSSOCKET *
1347 5889 : tds_realloc_socket(TDSSOCKET * tds, size_t bufsize)
1348 : {
1349 : TDSPACKET *packet;
1350 : #if ENABLE_ODBC_MARS
1351 3014 : size_t smp_hdr_len = tds->conn->mars ? sizeof(TDS72_SMP_HEADER) : 0;
1352 : #else
1353 : enum { smp_hdr_len = 0 };
1354 : #endif
1355 :
1356 5889 : assert(tds && tds->out_buf && tds->send_packet);
1357 :
1358 5889 : if (bufsize < 512)
1359 0 : bufsize = 512;
1360 :
1361 : /* prevent nasty memory conditions, server should send the request at
1362 : * the beginning only */
1363 5889 : if (tds->out_pos > bufsize || tds->frozen)
1364 : return NULL;
1365 :
1366 5889 : tds->conn->env.block_size = bufsize;
1367 :
1368 11778 : packet = tds_realloc_packet(tds->send_packet, smp_hdr_len + bufsize + TDS_ADDITIONAL_SPACE);
1369 5889 : if (packet == NULL)
1370 : return NULL;
1371 :
1372 : #if ENABLE_ODBC_MARS
1373 3014 : packet->data_start = smp_hdr_len;
1374 : #endif
1375 5889 : tds->out_buf_max = bufsize;
1376 5889 : tds_set_current_send_packet(tds, packet);
1377 5889 : return tds;
1378 : }
1379 :
1380 : #if ENABLE_ODBC_MARS
1381 : static void
1382 1886 : tds_connection_remove_socket(TDSCONNECTION *conn, TDSSOCKET *tds)
1383 : {
1384 : unsigned n;
1385 1886 : bool must_free_connection = true;
1386 1886 : tds_mutex_lock(&conn->list_mtx);
1387 1886 : if (tds->sid < conn->num_sessions)
1388 1886 : conn->sessions[tds->sid] = NULL;
1389 122270 : for (n = 0; n < conn->num_sessions; ++n)
1390 120389 : if (TDSSOCKET_VALID(conn->sessions[n])) {
1391 : must_free_connection = false;
1392 : break;
1393 : }
1394 1886 : if (!must_free_connection) {
1395 : /* tds use connection member so must be valid */
1396 5 : tds_append_fin(tds);
1397 : }
1398 1886 : tds_mutex_unlock(&conn->list_mtx);
1399 :
1400 : /* detach entirely */
1401 1886 : tds->conn = NULL;
1402 :
1403 1886 : if (must_free_connection)
1404 1881 : tds_free_connection(conn);
1405 1886 : }
1406 : #else
1407 : static void inline
1408 : tds_connection_remove_socket(TDSCONNECTION *conn, TDSSOCKET *tds)
1409 : {
1410 1845 : tds_deinit_connection(conn);
1411 : }
1412 : #endif
1413 :
1414 : void
1415 5703 : tds_free_socket(TDSSOCKET * tds)
1416 : {
1417 : #if ENABLE_EXTRA_CHECKS
1418 : TDSDYNAMIC *dyn;
1419 : TDSCURSOR *cur;
1420 : #endif
1421 :
1422 5703 : if (!tds)
1423 : return;
1424 :
1425 : /* detach this socket */
1426 3731 : tds_release_cur_dyn(tds);
1427 3731 : tds_release_cursor(&tds->cur_cursor);
1428 7462 : tds_detach_results(tds->current_results);
1429 : #if ENABLE_EXTRA_CHECKS
1430 3773 : for (dyn = tds->conn->dyns; dyn; dyn = dyn->next) {
1431 42 : if (dyn->res_info && dyn->res_info->attached_to == tds) {
1432 0 : assert(0);
1433 : }
1434 : }
1435 3743 : for (cur = tds->conn->cursors; cur; cur = cur->next) {
1436 12 : if (cur->res_info && cur->res_info->attached_to == tds) {
1437 0 : assert(0);
1438 : }
1439 : }
1440 : #endif
1441 3731 : tds_free_all_results(tds);
1442 : #if ENABLE_ODBC_MARS
1443 3772 : tds_cond_destroy(&tds->packet_cond);
1444 : #endif
1445 :
1446 5576 : tds_connection_remove_socket(tds->conn, tds);
1447 7462 : tds_free_packets(tds->recv_packet);
1448 3731 : if (tds->frozen_packets)
1449 : tds_free_packets(tds->frozen_packets);
1450 : else
1451 3731 : tds_free_packets(tds->send_packet);
1452 3731 : free(tds);
1453 : }
1454 :
1455 : void
1456 2858 : tds_free_locale(TDSLOCALE * locale)
1457 : {
1458 2858 : if (!locale)
1459 : return;
1460 :
1461 2858 : free(locale->language);
1462 2858 : free(locale->server_charset);
1463 2858 : free(locale->datetime_fmt);
1464 2858 : free(locale->date_fmt);
1465 2858 : free(locale->time_fmt);
1466 2858 : free(locale);
1467 : }
1468 :
1469 : static void
1470 3726 : tds_free_env(TDSCONNECTION* conn)
1471 : {
1472 3726 : if (conn->env.language)
1473 2138 : TDS_ZERO_FREE(conn->env.language);
1474 3726 : if (conn->env.charset)
1475 534 : TDS_ZERO_FREE(conn->env.charset);
1476 3726 : if (conn->env.database)
1477 2838 : TDS_ZERO_FREE(conn->env.database);
1478 3726 : }
1479 :
1480 : void
1481 11859 : tds_free_msg(TDSMESSAGE * message)
1482 : {
1483 11859 : if (message) {
1484 11859 : message->priv_msg_type = 0;
1485 11859 : message->msgno = 0;
1486 11859 : message->state = 0;
1487 11859 : message->severity = 0;
1488 11859 : message->line_number = 0;
1489 11859 : TDS_ZERO_FREE(message->message);
1490 11859 : TDS_ZERO_FREE(message->server);
1491 11859 : TDS_ZERO_FREE(message->proc_name);
1492 11859 : TDS_ZERO_FREE(message->sql_state);
1493 : }
1494 11859 : }
1495 :
1496 : #define SQLS_ENTRY(number,state) case number: p = state; break
1497 :
1498 : char *
1499 33028 : tds_alloc_client_sqlstate(int msgno)
1500 : {
1501 33028 : const char *p = NULL;
1502 :
1503 33028 : switch (msgno) {
1504 : SQLS_ENTRY(17000, "S1T00"); /* timeouts ??? */
1505 1 : SQLS_ENTRY(20004, "08S01"); /* Communication link failure */
1506 54 : SQLS_ENTRY(20006, "08S01");
1507 0 : SQLS_ENTRY(20009, "08S01");
1508 0 : SQLS_ENTRY(20020, "08S01");
1509 0 : SQLS_ENTRY(20019, "24000"); /* Invalid cursor state */
1510 0 : SQLS_ENTRY(20014, "28000"); /* Invalid authorization specification */
1511 28824 : SQLS_ENTRY(2400, "42000"); /* Syntax error or access violation */
1512 592 : SQLS_ENTRY(2401, "42000");
1513 1544 : SQLS_ENTRY(2403, "42000");
1514 0 : SQLS_ENTRY(2404, "42000");
1515 1769 : SQLS_ENTRY(2402, "S1000"); /* General error */
1516 : }
1517 :
1518 : if (p != NULL)
1519 32784 : return strdup(p);
1520 : else
1521 : return NULL;
1522 : }
1523 :
1524 : char *
1525 11750 : tds_alloc_lookup_sqlstate(TDSSOCKET * tds, int msgno)
1526 : {
1527 11750 : const char *p = NULL;
1528 11750 : char *q = NULL;
1529 :
1530 11750 : if (TDS_IS_MSSQL(tds)) {
1531 5106 : switch (msgno) { /* MSSQL Server */
1532 :
1533 468 : SQLS_ENTRY(3621,"01000");
1534 20 : SQLS_ENTRY(8153,"01003"); /* Null in aggregate */
1535 6 : SQLS_ENTRY(911, "08004"); /* Server rejected connection */
1536 0 : SQLS_ENTRY(512, "21000"); /* Subquery returns more than one value */
1537 0 : SQLS_ENTRY(213, "21S01"); /* Insert column list mismatch */
1538 0 : SQLS_ENTRY(109, "21S01");
1539 0 : SQLS_ENTRY(110, "21S01");
1540 0 : SQLS_ENTRY(1774,"21S02"); /* Ref column mismatch */
1541 0 : SQLS_ENTRY(8152,"22001"); /* String data would be truncated */
1542 0 : SQLS_ENTRY(5146,"22003"); /* Numeric value out of range */
1543 0 : SQLS_ENTRY(168, "22003"); /* Arithmetic overflow */
1544 396 : SQLS_ENTRY(220, "22003");
1545 0 : SQLS_ENTRY(232, "22003");
1546 0 : SQLS_ENTRY(234, "22003");
1547 0 : SQLS_ENTRY(236, "22003");
1548 0 : SQLS_ENTRY(238, "22003");
1549 0 : SQLS_ENTRY(244, "22003");
1550 0 : SQLS_ENTRY(246, "22003");
1551 0 : SQLS_ENTRY(248, "22003");
1552 0 : SQLS_ENTRY(519, "22003");
1553 0 : SQLS_ENTRY(520, "22003");
1554 0 : SQLS_ENTRY(521, "22003");
1555 0 : SQLS_ENTRY(522, "22003");
1556 0 : SQLS_ENTRY(523, "22003");
1557 0 : SQLS_ENTRY(524, "22003");
1558 0 : SQLS_ENTRY(1007,"22003");
1559 0 : SQLS_ENTRY(3606,"22003");
1560 0 : SQLS_ENTRY(8115,"22003");
1561 0 : SQLS_ENTRY(206, "22005"); /* Error in assignment */
1562 0 : SQLS_ENTRY(235, "22005");
1563 0 : SQLS_ENTRY(247, "22005");
1564 0 : SQLS_ENTRY(249, "22005");
1565 0 : SQLS_ENTRY(256, "22005");
1566 0 : SQLS_ENTRY(257, "22005");
1567 0 : SQLS_ENTRY(305, "22005");
1568 0 : SQLS_ENTRY(409, "22005");
1569 0 : SQLS_ENTRY(518, "22005");
1570 0 : SQLS_ENTRY(529, "22005");
1571 0 : SQLS_ENTRY(210, "22007"); /* Invalid datetime format */
1572 0 : SQLS_ENTRY(241, "22007");
1573 0 : SQLS_ENTRY(295, "22007");
1574 12 : SQLS_ENTRY(242, "22008"); /* Datetime out of range */
1575 0 : SQLS_ENTRY(296, "22008");
1576 0 : SQLS_ENTRY(298, "22008");
1577 0 : SQLS_ENTRY(535, "22008");
1578 0 : SQLS_ENTRY(542, "22008");
1579 6 : SQLS_ENTRY(517, "22008");
1580 0 : SQLS_ENTRY(3607, "22012"); /* Div by zero */
1581 18 : SQLS_ENTRY(8134, "22012");
1582 0 : SQLS_ENTRY(245, "22018"); /* Syntax error? */
1583 6 : SQLS_ENTRY(2627, "23000"); /* Constraint violation */
1584 6 : SQLS_ENTRY(515, "23000");
1585 0 : SQLS_ENTRY(233, "23000");
1586 0 : SQLS_ENTRY(273, "23000");
1587 0 : SQLS_ENTRY(530, "23000");
1588 0 : SQLS_ENTRY(2601,"23000");
1589 0 : SQLS_ENTRY(2615,"23000");
1590 0 : SQLS_ENTRY(2626,"23000");
1591 0 : SQLS_ENTRY(3604,"23000");
1592 0 : SQLS_ENTRY(3605,"23000");
1593 0 : SQLS_ENTRY(544, "23000");
1594 0 : SQLS_ENTRY(547, "23000");
1595 0 : SQLS_ENTRY(550, "23000");
1596 0 : SQLS_ENTRY(4415, "23000");
1597 0 : SQLS_ENTRY(1505, "23000");
1598 0 : SQLS_ENTRY(1508, "23000");
1599 0 : SQLS_ENTRY(3725, "23000");
1600 0 : SQLS_ENTRY(3726, "23000");
1601 0 : SQLS_ENTRY(4712, "23000");
1602 0 : SQLS_ENTRY(10055, "23000");
1603 0 : SQLS_ENTRY(10065, "23000");
1604 0 : SQLS_ENTRY(11011, "23000");
1605 0 : SQLS_ENTRY(11040, "23000");
1606 0 : SQLS_ENTRY(16999, "24000"); /* Invalid cursor state */
1607 0 : SQLS_ENTRY(16905, "24000");
1608 0 : SQLS_ENTRY(16917, "24000");
1609 0 : SQLS_ENTRY(16946, "24000");
1610 0 : SQLS_ENTRY(16950, "24000");
1611 0 : SQLS_ENTRY(266, "25000"); /* Invalid transaction state */
1612 0 : SQLS_ENTRY(277,"25000");
1613 0 : SQLS_ENTRY(611,"25000");
1614 0 : SQLS_ENTRY(3906,"25000");
1615 0 : SQLS_ENTRY(3908,"25000");
1616 0 : SQLS_ENTRY(6401,"25000");
1617 0 : SQLS_ENTRY(626, "25000");
1618 0 : SQLS_ENTRY(627, "25000");
1619 0 : SQLS_ENTRY(628, "25000");
1620 0 : SQLS_ENTRY(3902, "25000");
1621 0 : SQLS_ENTRY(3903, "25000");
1622 0 : SQLS_ENTRY(3916, "25000");
1623 0 : SQLS_ENTRY(3918, "25000");
1624 0 : SQLS_ENTRY(3919, "25000");
1625 0 : SQLS_ENTRY(3921, "25000");
1626 0 : SQLS_ENTRY(3922, "25000");
1627 16 : SQLS_ENTRY(3926, "25000");
1628 0 : SQLS_ENTRY(7969, "25000");
1629 0 : SQLS_ENTRY(8506, "25000");
1630 0 : SQLS_ENTRY(15626, "25000");
1631 0 : SQLS_ENTRY(18456, "28000"); /* Login failed? */
1632 0 : SQLS_ENTRY(6104, "37000"); /* Syntax error or access violation */
1633 0 : SQLS_ENTRY(8114, "37000");
1634 0 : SQLS_ENTRY(131, "37000");
1635 2 : SQLS_ENTRY(137, "37000");
1636 22 : SQLS_ENTRY(170, "37000");
1637 0 : SQLS_ENTRY(174, "37000");
1638 0 : SQLS_ENTRY(201, "37000");
1639 6 : SQLS_ENTRY(2812, "37000");
1640 0 : SQLS_ENTRY(2526, "37000");
1641 0 : SQLS_ENTRY(8144, "37000");
1642 0 : SQLS_ENTRY(17308, "42000"); /* Syntax/Access violation */
1643 0 : SQLS_ENTRY(17571, "42000");
1644 0 : SQLS_ENTRY(18002, "42000");
1645 0 : SQLS_ENTRY(229, "42000");
1646 0 : SQLS_ENTRY(230, "42000");
1647 0 : SQLS_ENTRY(262, "42000");
1648 0 : SQLS_ENTRY(2557, "42000");
1649 0 : SQLS_ENTRY(2571, "42000");
1650 0 : SQLS_ENTRY(2760, "42000");
1651 0 : SQLS_ENTRY(3110, "42000");
1652 0 : SQLS_ENTRY(3704, "42000");
1653 0 : SQLS_ENTRY(4613, "42000");
1654 0 : SQLS_ENTRY(4618, "42000");
1655 0 : SQLS_ENTRY(4834, "42000");
1656 0 : SQLS_ENTRY(5011, "42000");
1657 0 : SQLS_ENTRY(5116, "42000");
1658 0 : SQLS_ENTRY(5812, "42000");
1659 0 : SQLS_ENTRY(6004, "42000");
1660 0 : SQLS_ENTRY(6102, "42000");
1661 0 : SQLS_ENTRY(7956, "42000");
1662 0 : SQLS_ENTRY(11010, "42000");
1663 0 : SQLS_ENTRY(11045, "42000");
1664 0 : SQLS_ENTRY(14126, "42000");
1665 0 : SQLS_ENTRY(15247, "42000");
1666 0 : SQLS_ENTRY(15622, "42000");
1667 0 : SQLS_ENTRY(20604, "42000");
1668 0 : SQLS_ENTRY(21049, "42000");
1669 0 : SQLS_ENTRY(113, "42000");
1670 0 : SQLS_ENTRY(2714, "42S01"); /* Table or view already exists */
1671 18 : SQLS_ENTRY(208, "42S02"); /* Table or view not found */
1672 144 : SQLS_ENTRY(3701, "42S02");
1673 0 : SQLS_ENTRY(1913, "42S11"); /* Index already exists */
1674 0 : SQLS_ENTRY(15605, "42S11");
1675 0 : SQLS_ENTRY(307, "42S12"); /* Index not found */
1676 0 : SQLS_ENTRY(308, "42S12");
1677 0 : SQLS_ENTRY(10033, "42S12");
1678 0 : SQLS_ENTRY(15323, "42S12");
1679 0 : SQLS_ENTRY(18833, "42S12");
1680 0 : SQLS_ENTRY(4925, "42S21"); /* Column already exists */
1681 0 : SQLS_ENTRY(21255, "42S21");
1682 0 : SQLS_ENTRY(1911, "42S22"); /* Column not found */
1683 36 : SQLS_ENTRY(207, "42S22");
1684 0 : SQLS_ENTRY(4924, "42S22");
1685 0 : SQLS_ENTRY(4926, "42S22");
1686 0 : SQLS_ENTRY(15645, "42S22");
1687 0 : SQLS_ENTRY(21166, "42S22");
1688 : }
1689 : } else {
1690 6644 : switch (msgno) { /* Sybase */
1691 4 : SQLS_ENTRY(3621, "01000");
1692 0 : SQLS_ENTRY(9501, "01003"); /* Null in aggregate */
1693 1 : SQLS_ENTRY(911, "08004"); /* Server rejected connection */
1694 0 : SQLS_ENTRY(512, "21000"); /* Subquery returns more than one value */
1695 0 : SQLS_ENTRY(213, "21S01"); /* Insert column list mismatch */
1696 0 : SQLS_ENTRY(109, "21S01");
1697 0 : SQLS_ENTRY(110, "21S01");
1698 0 : SQLS_ENTRY(1715, "21S02"); /* Ref column mismatch */
1699 0 : SQLS_ENTRY(9502, "22001"); /* String data would be truncated */
1700 0 : SQLS_ENTRY(220, "22003"); /* Arithmetic overflow */
1701 0 : SQLS_ENTRY(168, "22003");
1702 0 : SQLS_ENTRY(227, "22003");
1703 0 : SQLS_ENTRY(232, "22003");
1704 0 : SQLS_ENTRY(234, "22003");
1705 0 : SQLS_ENTRY(236, "22003");
1706 0 : SQLS_ENTRY(238, "22003");
1707 0 : SQLS_ENTRY(244, "22003");
1708 0 : SQLS_ENTRY(246, "22003");
1709 0 : SQLS_ENTRY(247, "22003");
1710 0 : SQLS_ENTRY(248, "22003");
1711 0 : SQLS_ENTRY(519, "22003");
1712 0 : SQLS_ENTRY(520, "22003");
1713 0 : SQLS_ENTRY(521, "22003");
1714 0 : SQLS_ENTRY(522, "22003");
1715 0 : SQLS_ENTRY(523, "22003");
1716 0 : SQLS_ENTRY(524, "22003");
1717 0 : SQLS_ENTRY(3606, "22003");
1718 0 : SQLS_ENTRY(206, "22005"); /* Error in assignment */
1719 0 : SQLS_ENTRY(235, "22005");
1720 4 : SQLS_ENTRY(249, "22005");
1721 0 : SQLS_ENTRY(256, "22005");
1722 0 : SQLS_ENTRY(305, "22005");
1723 0 : SQLS_ENTRY(409, "22005");
1724 0 : SQLS_ENTRY(518, "22005");
1725 0 : SQLS_ENTRY(529, "22005");
1726 0 : SQLS_ENTRY(535, "22008"); /* Datetime out of range */
1727 0 : SQLS_ENTRY(542, "22008");
1728 2 : SQLS_ENTRY(517, "22008");
1729 0 : SQLS_ENTRY(3607, "22012"); /* Div by zero */
1730 0 : SQLS_ENTRY(245, "22018"); /* Syntax error? */
1731 0 : SQLS_ENTRY(544, "23000"); /* Constraint violation */
1732 0 : SQLS_ENTRY(233, "23000");
1733 0 : SQLS_ENTRY(273, "23000");
1734 0 : SQLS_ENTRY(530, "23000");
1735 0 : SQLS_ENTRY(2601,"23000");
1736 0 : SQLS_ENTRY(2615,"23000");
1737 0 : SQLS_ENTRY(2626,"23000");
1738 0 : SQLS_ENTRY(3604,"23000");
1739 0 : SQLS_ENTRY(3605,"23000");
1740 0 : SQLS_ENTRY(545, "23000");
1741 0 : SQLS_ENTRY(546, "23000");
1742 0 : SQLS_ENTRY(547, "23000");
1743 0 : SQLS_ENTRY(548, "23000");
1744 0 : SQLS_ENTRY(549, "23000");
1745 0 : SQLS_ENTRY(550, "23000");
1746 0 : SQLS_ENTRY(1505, "23000");
1747 0 : SQLS_ENTRY(1508, "23000");
1748 0 : SQLS_ENTRY(565, "24000"); /* Invalid cursor state */
1749 0 : SQLS_ENTRY(558, "24000");
1750 0 : SQLS_ENTRY(559, "24000");
1751 0 : SQLS_ENTRY(6235, "24000");
1752 0 : SQLS_ENTRY(583, "24000");
1753 0 : SQLS_ENTRY(6259, "24000");
1754 0 : SQLS_ENTRY(6260, "24000");
1755 0 : SQLS_ENTRY(562, "24000");
1756 0 : SQLS_ENTRY(277, "25000"); /* Invalid transaction state */
1757 0 : SQLS_ENTRY(611,"25000");
1758 0 : SQLS_ENTRY(3906,"25000");
1759 0 : SQLS_ENTRY(3908,"25000");
1760 0 : SQLS_ENTRY(6401,"25000");
1761 0 : SQLS_ENTRY(627, "25000");
1762 0 : SQLS_ENTRY(628, "25000");
1763 0 : SQLS_ENTRY(641, "25000");
1764 0 : SQLS_ENTRY(642, "25000");
1765 0 : SQLS_ENTRY(1276, "25000");
1766 0 : SQLS_ENTRY(3902, "25000");
1767 0 : SQLS_ENTRY(3903, "25000");
1768 0 : SQLS_ENTRY(6104, "37000"); /* Syntax error or access violation */
1769 0 : SQLS_ENTRY(102, "37000");
1770 24 : SQLS_ENTRY(137, "37000");
1771 0 : SQLS_ENTRY(7327, "37000");
1772 0 : SQLS_ENTRY(201, "37000");
1773 0 : SQLS_ENTRY(257, "37000");
1774 2 : SQLS_ENTRY(2812, "37000");
1775 0 : SQLS_ENTRY(2526, "37000");
1776 0 : SQLS_ENTRY(11021, "37000");
1777 0 : SQLS_ENTRY(229, "42000"); /* Syntax/Access violation */
1778 0 : SQLS_ENTRY(230, "42000");
1779 0 : SQLS_ENTRY(262, "42000");
1780 0 : SQLS_ENTRY(4602, "42000");
1781 0 : SQLS_ENTRY(4603, "42000");
1782 0 : SQLS_ENTRY(4608, "42000");
1783 0 : SQLS_ENTRY(10306, "42000");
1784 0 : SQLS_ENTRY(10323, "42000");
1785 0 : SQLS_ENTRY(10330, "42000");
1786 0 : SQLS_ENTRY(10331, "42000");
1787 0 : SQLS_ENTRY(10332, "42000");
1788 0 : SQLS_ENTRY(11110, "42000");
1789 0 : SQLS_ENTRY(11113, "42000");
1790 0 : SQLS_ENTRY(11118, "42000");
1791 0 : SQLS_ENTRY(11121, "42000");
1792 0 : SQLS_ENTRY(17222, "42000");
1793 0 : SQLS_ENTRY(17223, "42000");
1794 0 : SQLS_ENTRY(18350, "42000");
1795 0 : SQLS_ENTRY(18351, "42000");
1796 0 : SQLS_ENTRY(113, "42000");
1797 0 : SQLS_ENTRY(2714, "42S01"); /* Table or view already exists */
1798 0 : SQLS_ENTRY(208, "42S02"); /* Table or view not found */
1799 44 : SQLS_ENTRY(3701, "42S02");
1800 0 : SQLS_ENTRY(1913, "42S11"); /* Index already exists */
1801 0 : SQLS_ENTRY(307, "42S12"); /* Index not found */
1802 0 : SQLS_ENTRY(7010, "42S12");
1803 0 : SQLS_ENTRY(18091, "42S12");
1804 0 : SQLS_ENTRY(1921, "42S21"); /* Column already exists */
1805 0 : SQLS_ENTRY(1720, "42S22"); /* Column not found */
1806 6 : SQLS_ENTRY(207, "42S22");
1807 0 : SQLS_ENTRY(4934, "42S22");
1808 0 : SQLS_ENTRY(18117, "42S22");
1809 : }
1810 : }
1811 :
1812 11750 : if (p != NULL && (q = strdup(p)) != NULL) {
1813 : /* FIXME correct here ?? */
1814 : /* Convert known ODBC 3.x states listed above to 2.x */
1815 1269 : if (memcmp(q, "42S", 3) == 0)
1816 248 : memcpy(q, "S00", 3);
1817 :
1818 : return q;
1819 : }
1820 : return NULL;
1821 : }
1822 :
1823 : BCPCOLDATA *
1824 2410 : tds_alloc_bcp_column_data(unsigned int column_size)
1825 : {
1826 : BCPCOLDATA *coldata;
1827 :
1828 2410 : TEST_MALLOC(coldata, BCPCOLDATA);
1829 :
1830 2410 : if (column_size > 4 * 1024)
1831 72 : column_size = 4 * 1024;
1832 2410 : TEST_CALLOC(coldata->data, unsigned char, column_size);
1833 :
1834 : return coldata;
1835 0 : Cleanup:
1836 0 : tds_free_bcp_column_data(coldata);
1837 0 : return NULL;
1838 : }
1839 :
1840 : void
1841 81284 : tds_free_bcp_column_data(BCPCOLDATA * coldata)
1842 : {
1843 81284 : if (!coldata)
1844 : return;
1845 :
1846 2410 : free(coldata->data);
1847 2410 : free(coldata);
1848 : }
1849 :
1850 : TDSBCPINFO *
1851 272 : tds_alloc_bcpinfo(void)
1852 : {
1853 : TDSBCPINFO *bcpinfo;
1854 :
1855 272 : TEST_MALLOC(bcpinfo, TDSBCPINFO);
1856 :
1857 544 : tds_dstr_init(&bcpinfo->hint);
1858 544 : tds_dstr_init(&bcpinfo->tablename);
1859 :
1860 272 : return bcpinfo;
1861 272 : Cleanup:
1862 : return NULL;
1863 : }
1864 :
1865 : void
1866 456 : tds_deinit_bcpinfo(TDSBCPINFO *bcpinfo)
1867 : {
1868 456 : tds_dstr_free(&bcpinfo->hint);
1869 456 : tds_dstr_free(&bcpinfo->tablename);
1870 456 : TDS_ZERO_FREE(bcpinfo->insert_stmt);
1871 456 : tds_free_results(bcpinfo->bindinfo);
1872 456 : bcpinfo->bindinfo = NULL;
1873 456 : TDS_ZERO_FREE(bcpinfo->sybase_colinfo);
1874 456 : bcpinfo->sybase_count = 0;
1875 456 : }
1876 :
1877 : void
1878 2062 : tds_free_bcpinfo(TDSBCPINFO *bcpinfo)
1879 : {
1880 2062 : if (bcpinfo) {
1881 272 : tds_deinit_bcpinfo(bcpinfo);
1882 272 : free(bcpinfo);
1883 : }
1884 2062 : }
1885 :
1886 : /**
1887 : * Reallocate a pointer and update it if success
1888 : * \param pp pointer to pointer to be reallocated
1889 : * \param new_size new size to be allocated
1890 : * \return new pointer allocated, NULL on failure
1891 : */
1892 : void *
1893 108662 : tds_realloc(void **pp, size_t new_size)
1894 : {
1895 : void *p;
1896 :
1897 : /* some implementation of malloc/realloc does not like size==0 */
1898 108662 : if (!new_size)
1899 0 : new_size = 1;
1900 :
1901 : /* use malloc if not allocated before, some implementation require it */
1902 108662 : if (*pp)
1903 43154 : p = realloc(*pp, new_size);
1904 : else
1905 65508 : p = malloc(new_size);
1906 :
1907 : /* update pointer only on success */
1908 108662 : if (p)
1909 108662 : *pp = p;
1910 :
1911 108662 : return p;
1912 : }
1913 :
1914 : void
1915 8 : tds_deinit_tvp(TDS_TVP *table)
1916 : {
1917 : TDS_TVP_ROW *tvp_row, *next_row;
1918 :
1919 8 : free(table->schema);
1920 8 : table->schema = NULL;
1921 8 : free(table->name);
1922 8 : table->name = NULL;
1923 16 : tds_free_param_results(table->metadata);
1924 8 : table->metadata = NULL;
1925 26 : for (tvp_row = table->row; tvp_row != NULL; tvp_row = next_row) {
1926 18 : next_row = tvp_row->next;
1927 18 : tds_free_tvp_row(tvp_row);
1928 18 : free(tvp_row);
1929 : }
1930 8 : table->row = NULL;
1931 8 : }
1932 :
1933 : /** @} */
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