1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2015 The PHP Group |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 3.01 of the PHP license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.php.net/license/3_01.txt |
11 | If you did not receive a copy of the PHP license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@php.net so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Author: Ard Biesheuvel <abies@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #define _GNU_SOURCE
24
25 #include "php.h"
26 #ifdef ZEND_ENGINE_2
27 # include "zend_exceptions.h"
28 #endif
29 #include "php_ini.h"
30 #include "ext/standard/info.h"
31 #include "pdo/php_pdo.h"
32 #include "pdo/php_pdo_driver.h"
33 #include "php_pdo_firebird.h"
34 #include "php_pdo_firebird_int.h"
35
36 static int firebird_alloc_prepare_stmt(pdo_dbh_t*, const char*, long, XSQLDA*, isc_stmt_handle*,
37 HashTable* TSRMLS_DC);
38
39 /* map driver specific error message to PDO error */
_firebird_error(pdo_dbh_t * dbh,pdo_stmt_t * stmt,char const * file,long line TSRMLS_DC)40 void _firebird_error(pdo_dbh_t *dbh, pdo_stmt_t *stmt, char const *file, long line TSRMLS_DC) /* {{{ */
41 {
42 #if 0
43 pdo_firebird_db_handle *H = stmt ? ((pdo_firebird_stmt *)stmt->driver_data)->H
44 : (pdo_firebird_db_handle *)dbh->driver_data;
45 #endif
46 pdo_error_type *const error_code = stmt ? &stmt->error_code : &dbh->error_code;
47
48 #if 0
49 switch (isc_sqlcode(H->isc_status)) {
50
51 case 0:
52 *error_code = PDO_ERR_NONE;
53 break;
54 default:
55 *error_code = PDO_ERR_CANT_MAP;
56 break;
57 case -104:
58 *error_code = PDO_ERR_SYNTAX;
59 break;
60 case -530:
61 case -803:
62 *error_code = PDO_ERR_CONSTRAINT;
63 break;
64 case -204:
65 case -205:
66 case -206:
67 case -829:
68 *error_code = PDO_ERR_NOT_FOUND;
69 break;
70
71 *error_code = PDO_ERR_ALREADY_EXISTS;
72 break;
73
74 *error_code = PDO_ERR_NOT_IMPLEMENTED;
75 break;
76 case -313:
77 case -804:
78 *error_code = PDO_ERR_MISMATCH;
79 break;
80 case -303:
81 case -314:
82 case -413:
83 *error_code = PDO_ERR_TRUNCATED;
84 break;
85
86 *error_code = PDO_ERR_DISCONNECTED;
87 break;
88 }
89 #else
90 strcpy(*error_code, "HY000");
91 #endif
92 }
93 /* }}} */
94
95 #define RECORD_ERROR(dbh) _firebird_error(dbh, NULL, __FILE__, __LINE__ TSRMLS_CC)
96
97 /* called by PDO to close a db handle */
firebird_handle_closer(pdo_dbh_t * dbh TSRMLS_DC)98 static int firebird_handle_closer(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
99 {
100 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
101
102 if (dbh->in_txn) {
103 if (dbh->auto_commit) {
104 if (isc_commit_transaction(H->isc_status, &H->tr)) {
105 RECORD_ERROR(dbh);
106 }
107 } else {
108 if (isc_rollback_transaction(H->isc_status, &H->tr)) {
109 RECORD_ERROR(dbh);
110 }
111 }
112 }
113
114 if (isc_detach_database(H->isc_status, &H->db)) {
115 RECORD_ERROR(dbh);
116 }
117
118 if (H->date_format) {
119 efree(H->date_format);
120 }
121 if (H->time_format) {
122 efree(H->time_format);
123 }
124 if (H->timestamp_format) {
125 efree(H->timestamp_format);
126 }
127
128 pefree(H, dbh->is_persistent);
129
130 return 0;
131 }
132 /* }}} */
133
134 /* called by PDO to prepare an SQL query */
firebird_handle_preparer(pdo_dbh_t * dbh,const char * sql,long sql_len,pdo_stmt_t * stmt,zval * driver_options TSRMLS_DC)135 static int firebird_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, /* {{{ */
136 pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC)
137 {
138 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
139 pdo_firebird_stmt *S = NULL;
140 HashTable *np;
141
142 do {
143 isc_stmt_handle s = NULL;
144 XSQLDA num_sqlda;
145 static char const info[] = { isc_info_sql_stmt_type };
146 char result[8];
147
148 num_sqlda.version = PDO_FB_SQLDA_VERSION;
149 num_sqlda.sqln = 1;
150
151 ALLOC_HASHTABLE(np);
152 zend_hash_init(np, 8, NULL, NULL, 0);
153
154 /* allocate and prepare statement */
155 if (!firebird_alloc_prepare_stmt(dbh, sql, sql_len, &num_sqlda, &s, np TSRMLS_CC)) {
156 break;
157 }
158
159 /* allocate a statement handle struct of the right size (struct out_sqlda is inlined) */
160 S = ecalloc(1, sizeof(*S)-sizeof(XSQLDA) + XSQLDA_LENGTH(num_sqlda.sqld));
161 S->H = H;
162 S->stmt = s;
163 S->fetch_buf = ecalloc(1,sizeof(char*) * num_sqlda.sqld);
164 S->out_sqlda.version = PDO_FB_SQLDA_VERSION;
165 S->out_sqlda.sqln = stmt->column_count = num_sqlda.sqld;
166 S->named_params = np;
167
168 /* determine the statement type */
169 if (isc_dsql_sql_info(H->isc_status, &s, sizeof(info), const_cast(info), sizeof(result),
170 result)) {
171 break;
172 }
173 S->statement_type = result[3];
174
175 /* fill the output sqlda with information about the prepared query */
176 if (isc_dsql_describe(H->isc_status, &s, PDO_FB_SQLDA_VERSION, &S->out_sqlda)) {
177 RECORD_ERROR(dbh);
178 break;
179 }
180
181 /* allocate the input descriptors */
182 if (isc_dsql_describe_bind(H->isc_status, &s, PDO_FB_SQLDA_VERSION, &num_sqlda)) {
183 break;
184 }
185
186 if (num_sqlda.sqld) {
187 S->in_sqlda = ecalloc(1,XSQLDA_LENGTH(num_sqlda.sqld));
188 S->in_sqlda->version = PDO_FB_SQLDA_VERSION;
189 S->in_sqlda->sqln = num_sqlda.sqld;
190
191 if (isc_dsql_describe_bind(H->isc_status, &s, PDO_FB_SQLDA_VERSION, S->in_sqlda)) {
192 break;
193 }
194 }
195
196 stmt->driver_data = S;
197 stmt->methods = &firebird_stmt_methods;
198 stmt->supports_placeholders = PDO_PLACEHOLDER_POSITIONAL;
199
200 return 1;
201
202 } while (0);
203
204 RECORD_ERROR(dbh);
205
206 zend_hash_destroy(np);
207 FREE_HASHTABLE(np);
208
209 if (S) {
210 if (S->in_sqlda) {
211 efree(S->in_sqlda);
212 }
213 efree(S);
214 }
215
216 return 0;
217 }
218 /* }}} */
219
220 /* called by PDO to execute a statement that doesn't produce a result set */
firebird_handle_doer(pdo_dbh_t * dbh,const char * sql,long sql_len TSRMLS_DC)221 static long firebird_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC) /* {{{ */
222 {
223 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
224 isc_stmt_handle stmt = NULL;
225 static char const info_count[] = { isc_info_sql_records };
226 char result[64];
227 int ret = 0;
228 XSQLDA in_sqlda, out_sqlda;
229
230 /* TODO no placeholders in exec() for now */
231 in_sqlda.version = out_sqlda.version = PDO_FB_SQLDA_VERSION;
232 in_sqlda.sqld = out_sqlda.sqld = 0;
233 out_sqlda.sqln = 1;
234
235 /* allocate and prepare statement */
236 if (!firebird_alloc_prepare_stmt(dbh, sql, sql_len, &out_sqlda, &stmt, 0 TSRMLS_CC)) {
237 return -1;
238 }
239
240 /* execute the statement */
241 if (isc_dsql_execute2(H->isc_status, &H->tr, &stmt, PDO_FB_SQLDA_VERSION, &in_sqlda, &out_sqlda)) {
242 RECORD_ERROR(dbh);
243 return -1;
244 }
245
246 /* find out how many rows were affected */
247 if (isc_dsql_sql_info(H->isc_status, &stmt, sizeof(info_count), const_cast(info_count),
248 sizeof(result), result)) {
249 RECORD_ERROR(dbh);
250 return -1;
251 }
252
253 if (result[0] == isc_info_sql_records) {
254 unsigned i = 3, result_size = isc_vax_integer(&result[1],2);
255
256 while (result[i] != isc_info_end && i < result_size) {
257 short len = (short)isc_vax_integer(&result[i+1],2);
258 if (result[i] != isc_info_req_select_count) {
259 ret += isc_vax_integer(&result[i+3],len);
260 }
261 i += len+3;
262 }
263 }
264
265 /* commit if we're in auto_commit mode */
266 if (dbh->auto_commit && isc_commit_retaining(H->isc_status, &H->tr)) {
267 RECORD_ERROR(dbh);
268 }
269
270 return ret;
271 }
272 /* }}} */
273
274 /* called by the PDO SQL parser to add quotes to values that are copied into SQL */
firebird_handle_quoter(pdo_dbh_t * dbh,const char * unquoted,int unquotedlen,char ** quoted,int * quotedlen,enum pdo_param_type paramtype TSRMLS_DC)275 static int firebird_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, /* {{{ */
276 char **quoted, int *quotedlen, enum pdo_param_type paramtype TSRMLS_DC)
277 {
278 int qcount = 0;
279 char const *co, *l, *r;
280 char *c;
281
282 if (!unquotedlen) {
283 *quotedlen = 2;
284 *quoted = emalloc(*quotedlen+1);
285 strcpy(*quoted, "''");
286 return 1;
287 }
288
289 /* Firebird only requires single quotes to be doubled if string lengths are used */
290 /* count the number of ' characters */
291 for (co = unquoted; (co = strchr(co,'\'')); qcount++, co++);
292
293 *quotedlen = unquotedlen + qcount + 2;
294 *quoted = c = emalloc(*quotedlen+1);
295 *c++ = '\'';
296
297 /* foreach (chunk that ends in a quote) */
298 for (l = unquoted; (r = strchr(l,'\'')); l = r+1) {
299 strncpy(c, l, r-l+1);
300 c += (r-l+1);
301 /* add the second quote */
302 *c++ = '\'';
303 }
304
305 /* copy the remainder */
306 strncpy(c, l, *quotedlen-(c-*quoted)-1);
307 (*quoted)[*quotedlen-1] = '\'';
308 (*quoted)[*quotedlen] = '\0';
309
310 return 1;
311 }
312 /* }}} */
313
314 /* called by PDO to start a transaction */
firebird_handle_begin(pdo_dbh_t * dbh TSRMLS_DC)315 static int firebird_handle_begin(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
316 {
317 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
318 char tpb[8] = { isc_tpb_version3 }, *ptpb = tpb+1;
319 #if abies_0
320 if (dbh->transaction_flags & PDO_TRANS_ISOLATION_LEVEL) {
321 if (dbh->transaction_flags & PDO_TRANS_READ_UNCOMMITTED) {
322 /* this is a poor fit, but it's all we have */
323 *ptpb++ = isc_tpb_read_committed;
324 *ptpb++ = isc_tpb_rec_version;
325 dbh->transaction_flags &= ~(PDO_TRANS_ISOLATION_LEVEL^PDO_TRANS_READ_UNCOMMITTED);
326 } else if (dbh->transaction_flags & PDO_TRANS_READ_COMMITTED) {
327 *ptpb++ = isc_tpb_read_committed;
328 *ptpb++ = isc_tpb_no_rec_version;
329 dbh->transaction_flags &= ~(PDO_TRANS_ISOLATION_LEVEL^PDO_TRANS_READ_COMMITTED);
330 } else if (dbh->transaction_flags & PDO_TRANS_REPEATABLE_READ) {
331 *ptpb++ = isc_tpb_concurrency;
332 dbh->transaction_flags &= ~(PDO_TRANS_ISOLATION_LEVEL^PDO_TRANS_REPEATABLE_READ);
333 } else {
334 *ptpb++ = isc_tpb_consistency;
335 dbh->transaction_flags &= ~(PDO_TRANS_ISOLATION_LEVEL^PDO_TRANS_SERIALIZABLE);
336 }
337 }
338
339 if (dbh->transaction_flags & PDO_TRANS_ACCESS_MODE) {
340 if (dbh->transaction_flags & PDO_TRANS_READONLY) {
341 *ptpb++ = isc_tpb_read;
342 dbh->transaction_flags &= ~(PDO_TRANS_ACCESS_MODE^PDO_TRANS_READONLY);
343 } else {
344 *ptpb++ = isc_tpb_write;
345 dbh->transaction_flags &= ~(PDO_TRANS_ACCESS_MODE^PDO_TRANS_READWRITE);
346 }
347 }
348
349 if (dbh->transaction_flags & PDO_TRANS_CONFLICT_RESOLUTION) {
350 if (dbh->transaction_flags & PDO_TRANS_RETRY) {
351 *ptpb++ = isc_tpb_wait;
352 dbh->transaction_flags &= ~(PDO_TRANS_CONFLICT_RESOLUTION^PDO_TRANS_RETRY);
353 } else {
354 *ptpb++ = isc_tpb_nowait;
355 dbh->transaction_flags &= ~(PDO_TRANS_CONFLICT_RESOLUTION^PDO_TRANS_ABORT);
356 }
357 }
358 #endif
359 if (isc_start_transaction(H->isc_status, &H->tr, 1, &H->db, (unsigned short)(ptpb-tpb), tpb)) {
360 RECORD_ERROR(dbh);
361 return 0;
362 }
363 return 1;
364 }
365 /* }}} */
366
367 /* called by PDO to commit a transaction */
firebird_handle_commit(pdo_dbh_t * dbh TSRMLS_DC)368 static int firebird_handle_commit(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
369 {
370 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
371
372 if (isc_commit_transaction(H->isc_status, &H->tr)) {
373 RECORD_ERROR(dbh);
374 return 0;
375 }
376 return 1;
377 }
378 /* }}} */
379
380 /* called by PDO to rollback a transaction */
firebird_handle_rollback(pdo_dbh_t * dbh TSRMLS_DC)381 static int firebird_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
382 {
383 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
384
385 if (isc_rollback_transaction(H->isc_status, &H->tr)) {
386 RECORD_ERROR(dbh);
387 return 0;
388 }
389 return 1;
390 }
391 /* }}} */
392
393 /* used by prepare and exec to allocate a statement handle and prepare the SQL */
firebird_alloc_prepare_stmt(pdo_dbh_t * dbh,const char * sql,long sql_len,XSQLDA * out_sqlda,isc_stmt_handle * s,HashTable * named_params TSRMLS_DC)394 static int firebird_alloc_prepare_stmt(pdo_dbh_t *dbh, const char *sql, long sql_len, /* {{{ */
395 XSQLDA *out_sqlda, isc_stmt_handle *s, HashTable *named_params TSRMLS_DC)
396 {
397 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
398 char *c, *new_sql, in_quote, in_param, pname[64], *ppname;
399 long l, pindex = -1;
400
401 /* Firebird allows SQL statements up to 64k, so bail if it doesn't fit */
402 if (sql_len > 65536) {
403 strcpy(dbh->error_code, "01004");
404 return 0;
405 }
406
407 /* start a new transaction implicitly if auto_commit is enabled and no transaction is open */
408 if (dbh->auto_commit && !dbh->in_txn) {
409 /* dbh->transaction_flags = PDO_TRANS_READ_UNCOMMITTED; */
410
411 if (!firebird_handle_begin(dbh TSRMLS_CC)) {
412 return 0;
413 }
414 dbh->in_txn = 1;
415 }
416
417 /* allocate the statement */
418 if (isc_dsql_allocate_statement(H->isc_status, &H->db, s)) {
419 RECORD_ERROR(dbh);
420 return 0;
421 }
422
423 /* in order to support named params, which Firebird itself doesn't,
424 we need to replace :foo by ?, and store the name we just replaced */
425 new_sql = c = emalloc(sql_len+1);
426
427 for (l = in_quote = in_param = 0; l <= sql_len; ++l) {
428 if ( !(in_quote ^= (sql[l] == '\''))) {
429 if (!in_param) {
430 switch (sql[l]) {
431 case ':':
432 in_param = 1;
433 ppname = pname;
434 *ppname++ = sql[l];
435 case '?':
436 *c++ = '?';
437 ++pindex;
438 continue;
439 }
440 } else {
441 if ((in_param &= ((sql[l] >= 'A' && sql[l] <= 'Z') || (sql[l] >= 'a' && sql[l] <= 'z')
442 || (sql[l] >= '0' && sql[l] <= '9') || sql[l] == '_' || sql[l] == '-'))) {
443
444
445 *ppname++ = sql[l];
446 continue;
447 } else {
448 *ppname++ = 0;
449 if (named_params) {
450 zend_hash_update(named_params, pname, (unsigned int)(ppname-pname),
451 (void*)&pindex, sizeof(long)+1,NULL);
452 }
453 }
454 }
455 }
456 *c++ = sql[l];
457 }
458
459 /* prepare the statement */
460 if (isc_dsql_prepare(H->isc_status, &H->tr, s, 0, new_sql, PDO_FB_DIALECT, out_sqlda)) {
461 RECORD_ERROR(dbh);
462 efree(new_sql);
463 return 0;
464 }
465
466 efree(new_sql);
467 return 1;
468 }
469 /* }}} */
470
471 /* called by PDO to set a driver-specific dbh attribute */
firebird_handle_set_attribute(pdo_dbh_t * dbh,long attr,zval * val TSRMLS_DC)472 static int firebird_handle_set_attribute(pdo_dbh_t *dbh, long attr, zval *val TSRMLS_DC) /* {{{ */
473 {
474 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
475
476 switch (attr) {
477 case PDO_ATTR_AUTOCOMMIT:
478
479 convert_to_boolean(val);
480
481 /* ignore if the new value equals the old one */
482 if (dbh->auto_commit ^ Z_BVAL_P(val)) {
483 if (dbh->in_txn) {
484 if (Z_BVAL_P(val)) {
485 /* turning on auto_commit with an open transaction is illegal, because
486 we won't know what to do with it */
487 H->last_app_error = "Cannot enable auto-commit while a transaction is already open";
488 return 0;
489 } else {
490 /* close the transaction */
491 if (!firebird_handle_commit(dbh TSRMLS_CC)) {
492 break;
493 }
494 dbh->in_txn = 0;
495 }
496 }
497 dbh->auto_commit = Z_BVAL_P(val);
498 }
499 return 1;
500
501 case PDO_ATTR_FETCH_TABLE_NAMES:
502 convert_to_boolean(val);
503 H->fetch_table_names = Z_BVAL_P(val);
504 return 1;
505
506 case PDO_FB_ATTR_DATE_FORMAT:
507 convert_to_string(val);
508 if (H->date_format) {
509 efree(H->date_format);
510 }
511 spprintf(&H->date_format, 0, "%s", Z_STRVAL_P(val));
512 return 1;
513
514 case PDO_FB_ATTR_TIME_FORMAT:
515 convert_to_string(val);
516 if (H->time_format) {
517 efree(H->time_format);
518 }
519 spprintf(&H->time_format, 0, "%s", Z_STRVAL_P(val));
520 return 1;
521
522 case PDO_FB_ATTR_TIMESTAMP_FORMAT:
523 convert_to_string(val);
524 if (H->timestamp_format) {
525 efree(H->timestamp_format);
526 }
527 spprintf(&H->timestamp_format, 0, "%s", Z_STRVAL_P(val));
528 return 1;
529 }
530 return 0;
531 }
532 /* }}} */
533
534 /* callback to used to report database server info */
firebird_info_cb(void * arg,char const * s)535 static void firebird_info_cb(void *arg, char const *s) /* {{{ */
536 {
537 if (arg) {
538 if (*(char*)arg) { /* second call */
539 strcat(arg, " ");
540 }
541 strcat(arg, s);
542 }
543 }
544 /* }}} */
545
546 /* called by PDO to get a driver-specific dbh attribute */
firebird_handle_get_attribute(pdo_dbh_t * dbh,long attr,zval * val TSRMLS_DC)547 static int firebird_handle_get_attribute(pdo_dbh_t *dbh, long attr, zval *val TSRMLS_DC) /* {{{ */
548 {
549 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
550
551 switch (attr) {
552 char tmp[512];
553
554 case PDO_ATTR_AUTOCOMMIT:
555 ZVAL_LONG(val,dbh->auto_commit);
556 return 1;
557
558 case PDO_ATTR_CONNECTION_STATUS:
559 ZVAL_BOOL(val, !isc_version(&H->db, firebird_info_cb, NULL));
560 return 1;
561
562 case PDO_ATTR_CLIENT_VERSION: {
563 #if defined(__GNUC__) || defined(PHP_WIN32)
564 info_func_t info_func = NULL;
565 #ifdef __GNUC__
566 info_func = (info_func_t)dlsym(RTLD_DEFAULT, "isc_get_client_version");
567 #else
568 HMODULE l = GetModuleHandle("fbclient");
569
570 if (!l) {
571 break;
572 }
573 info_func = (info_func_t)GetProcAddress(l, "isc_get_client_version");
574 #endif
575 if (info_func) {
576 info_func(tmp);
577 ZVAL_STRING(val,tmp,1);
578 }
579 #else
580 ZVAL_NULL(val);
581 #endif
582 }
583 return 1;
584
585 case PDO_ATTR_SERVER_VERSION:
586 case PDO_ATTR_SERVER_INFO:
587 *tmp = 0;
588
589 if (!isc_version(&H->db, firebird_info_cb, (void*)tmp)) {
590 ZVAL_STRING(val,tmp,1);
591 return 1;
592 }
593
594 case PDO_ATTR_FETCH_TABLE_NAMES:
595 ZVAL_BOOL(val, H->fetch_table_names);
596 return 1;
597 }
598 return 0;
599 }
600 /* }}} */
601
602 /* called by PDO to retrieve driver-specific information about an error that has occurred */
pdo_firebird_fetch_error_func(pdo_dbh_t * dbh,pdo_stmt_t * stmt,zval * info TSRMLS_DC)603 static int pdo_firebird_fetch_error_func(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info TSRMLS_DC) /* {{{ */
604 {
605 pdo_firebird_db_handle *H = (pdo_firebird_db_handle *)dbh->driver_data;
606 const ISC_STATUS *s = H->isc_status;
607 char buf[400];
608 long i = 0, l, sqlcode = isc_sqlcode(s);
609
610 if (sqlcode) {
611 add_next_index_long(info, sqlcode);
612
613 while ((sizeof(buf)>(i+2))&&(l = fb_interpret(&buf[i],(sizeof(buf)-i-2),&s))) {
614 i += l;
615 strcpy(&buf[i++], " ");
616 }
617 add_next_index_string(info, buf, 1);
618 } else if (H->last_app_error) {
619 add_next_index_long(info, -999);
620 add_next_index_string(info, const_cast(H->last_app_error),1);
621 }
622 return 1;
623 }
624 /* }}} */
625
626 static struct pdo_dbh_methods firebird_methods = { /* {{{ */
627 firebird_handle_closer,
628 firebird_handle_preparer,
629 firebird_handle_doer,
630 firebird_handle_quoter,
631 firebird_handle_begin,
632 firebird_handle_commit,
633 firebird_handle_rollback,
634 firebird_handle_set_attribute,
635 NULL, /* last_id not supported */
636 pdo_firebird_fetch_error_func,
637 firebird_handle_get_attribute,
638 NULL /* check_liveness */
639 };
640 /* }}} */
641
642 /* the driver-specific PDO handle constructor */
pdo_firebird_handle_factory(pdo_dbh_t * dbh,zval * driver_options TSRMLS_DC)643 static int pdo_firebird_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC) /* {{{ */
644 {
645 struct pdo_data_src_parser vars[] = {
646 { "dbname", NULL, 0 },
647 { "charset", NULL, 0 },
648 { "role", NULL, 0 }
649 };
650 int i, ret = 0;
651 short buf_len = 256, dpb_len;
652
653 pdo_firebird_db_handle *H = dbh->driver_data = pecalloc(1,sizeof(*H),dbh->is_persistent);
654
655 php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 3);
656
657 do {
658 static char const dpb_flags[] = {
659 isc_dpb_user_name, isc_dpb_password, isc_dpb_lc_ctype, isc_dpb_sql_role_name };
660 char const *dpb_values[] = { dbh->username, dbh->password, vars[1].optval, vars[2].optval };
661 char dpb_buffer[256] = { isc_dpb_version1 }, *dpb;
662
663 dpb = dpb_buffer + 1;
664
665 /* loop through all the provided arguments and set dpb fields accordingly */
666 for (i = 0; i < sizeof(dpb_flags); ++i) {
667 if (dpb_values[i] && buf_len > 0) {
668 dpb_len = slprintf(dpb, buf_len, "%c%c%s", dpb_flags[i], (unsigned char)strlen(dpb_values[i]),
669 dpb_values[i]);
670 dpb += dpb_len;
671 buf_len -= dpb_len;
672 }
673 }
674
675 /* fire it up baby! */
676 if (isc_attach_database(H->isc_status, 0, vars[0].optval, &H->db,(short)(dpb-dpb_buffer), dpb_buffer)) {
677 break;
678 }
679
680 dbh->methods = &firebird_methods;
681 dbh->native_case = PDO_CASE_UPPER;
682 dbh->alloc_own_columns = 1;
683
684 ret = 1;
685
686 } while (0);
687
688 for (i = 0; i < sizeof(vars)/sizeof(vars[0]); ++i) {
689 if (vars[i].freeme) {
690 efree(vars[i].optval);
691 }
692 }
693
694 if (!dbh->methods) {
695 char errmsg[512];
696 const ISC_STATUS *s = H->isc_status;
697 fb_interpret(errmsg, sizeof(errmsg),&s);
698 zend_throw_exception_ex(php_pdo_get_exception(), H->isc_status[1] TSRMLS_CC, "SQLSTATE[%s] [%d] %s",
699 "HY000", H->isc_status[1], errmsg);
700 }
701
702 if (!ret) {
703 firebird_handle_closer(dbh TSRMLS_CC);
704 }
705
706 return ret;
707 }
708 /* }}} */
709
710
711 pdo_driver_t pdo_firebird_driver = { /* {{{ */
712 PDO_DRIVER_HEADER(firebird),
713 pdo_firebird_handle_factory
714 };
715 /* }}} */
716
717 /*
718 * Local variables:
719 * tab-width: 4
720 * c-basic-offset: 4
721 * End:
722 * vim600: noet sw=4 ts=4 fdm=marker
723 * vim<600: noet sw=4 ts=4
724 */
725
