1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2014 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: Wez Furlong <wez@php.net> |
16 +----------------------------------------------------------------------+
17 */
18
19 /* $Id$ */
20
21 #ifdef HAVE_CONFIG_H
22 #include "config.h"
23 #endif
24
25 #include "php.h"
26 #include "php_ini.h"
27 #include "ext/standard/info.h"
28 #include "pdo/php_pdo.h"
29 #include "pdo/php_pdo_driver.h"
30 #include "php_pdo_oci.h"
31 #include "php_pdo_oci_int.h"
32 #include "Zend/zend_exceptions.h"
33
34 static inline ub4 pdo_oci_sanitize_prefetch(long prefetch);
35
pdo_oci_fetch_error_func(pdo_dbh_t * dbh,pdo_stmt_t * stmt,zval * info TSRMLS_DC)36 static int pdo_oci_fetch_error_func(pdo_dbh_t *dbh, pdo_stmt_t *stmt, zval *info TSRMLS_DC) /* {{{ */
37 {
38 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
39 pdo_oci_error_info *einfo;
40
41 einfo = &H->einfo;
42
43 if (stmt) {
44 pdo_oci_stmt *S = (pdo_oci_stmt*)stmt->driver_data;
45
46 if (S->einfo.errmsg) {
47 einfo = &S->einfo;
48 }
49 }
50
51 if (einfo->errcode) {
52 add_next_index_long(info, einfo->errcode);
53 add_next_index_string(info, einfo->errmsg, 1);
54 }
55
56 return 1;
57 }
58 /* }}} */
59
_oci_error(OCIError * err,pdo_dbh_t * dbh,pdo_stmt_t * stmt,char * what,sword status,int isinit,const char * file,int line TSRMLS_DC)60 ub4 _oci_error(OCIError *err, pdo_dbh_t *dbh, pdo_stmt_t *stmt, char *what, sword status, int isinit, const char *file, int line TSRMLS_DC) /* {{{ */
61 {
62 text errbuf[1024] = "<<Unknown>>";
63 char tmp_buf[2048];
64 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
65 pdo_oci_error_info *einfo;
66 pdo_oci_stmt *S = NULL;
67 pdo_error_type *pdo_err = &dbh->error_code;
68
69 if (stmt) {
70 S = (pdo_oci_stmt*)stmt->driver_data;
71 einfo = &S->einfo;
72 pdo_err = &stmt->error_code;
73 }
74 else {
75 einfo = &H->einfo;
76 }
77
78 if (einfo->errmsg) {
79 pefree(einfo->errmsg, dbh->is_persistent);
80 }
81
82 einfo->errmsg = NULL;
83 einfo->errcode = 0;
84 einfo->file = file;
85 einfo->line = line;
86
87 if (isinit) { /* Initialization error */
88 strcpy(*pdo_err, "HY000");
89 slprintf(tmp_buf, sizeof(tmp_buf), "%s (%s:%d)", what, file, line);
90 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
91 }
92 else {
93 switch (status) {
94 case OCI_SUCCESS:
95 strcpy(*pdo_err, "00000");
96 break;
97 case OCI_ERROR:
98 OCIErrorGet(err, (ub4)1, NULL, &einfo->errcode, errbuf, (ub4)sizeof(errbuf), OCI_HTYPE_ERROR);
99 slprintf(tmp_buf, sizeof(tmp_buf), "%s: %s (%s:%d)", what, errbuf, file, line);
100 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
101 break;
102 case OCI_SUCCESS_WITH_INFO:
103 OCIErrorGet(err, (ub4)1, NULL, &einfo->errcode, errbuf, (ub4)sizeof(errbuf), OCI_HTYPE_ERROR);
104 slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_SUCCESS_WITH_INFO: %s (%s:%d)", what, errbuf, file, line);
105 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
106 break;
107 case OCI_NEED_DATA:
108 slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_NEED_DATA (%s:%d)", what, file, line);
109 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
110 break;
111 case OCI_NO_DATA:
112 slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_NO_DATA (%s:%d)", what, file, line);
113 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
114 break;
115 case OCI_INVALID_HANDLE:
116 slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_INVALID_HANDLE (%s:%d)", what, file, line);
117 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
118 break;
119 case OCI_STILL_EXECUTING:
120 slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_STILL_EXECUTING (%s:%d)", what, file, line);
121 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
122 break;
123 case OCI_CONTINUE:
124 slprintf(tmp_buf, sizeof(tmp_buf), "%s: OCI_CONTINUE (%s:%d)", what, file, line);
125 einfo->errmsg = pestrdup(tmp_buf, dbh->is_persistent);
126 break;
127 }
128
129 if (einfo->errcode) {
130 switch (einfo->errcode) {
131 case 1013: /* user requested cancel of current operation */
132 zend_bailout();
133 break;
134
135 #if 0
136 case 955: /* ORA-00955: name is already used by an existing object */
137 *pdo_err = PDO_ERR_ALREADY_EXISTS;
138 break;
139 #endif
140
141 case 12154: /* ORA-12154: TNS:could not resolve service name */
142 strcpy(*pdo_err, "42S02");
143 break;
144
145 case 22: /* ORA-00022: invalid session id */
146 case 378:
147 case 602:
148 case 603:
149 case 604:
150 case 609:
151 case 1012: /* ORA-01012: */
152 case 1033:
153 case 1041:
154 case 1043:
155 case 1089:
156 case 1090:
157 case 1092:
158 case 3113: /* ORA-03133: end of file on communication channel */
159 case 3114:
160 case 3122:
161 case 3135:
162 case 12153:
163 case 27146:
164 case 28511:
165 /* consider the connection closed */
166 dbh->is_closed = 1;
167 H->attached = 0;
168 strcpy(*pdo_err, "01002"); /* FIXME */
169 break;
170
171 default:
172 strcpy(*pdo_err, "HY000");
173 }
174 }
175
176 if (stmt) {
177 /* always propogate the error code back up to the dbh,
178 * so that we can catch the error information when execute
179 * is called via query. See Bug #33707 */
180 if (H->einfo.errmsg) {
181 pefree(H->einfo.errmsg, dbh->is_persistent);
182 }
183 H->einfo = *einfo;
184 H->einfo.errmsg = einfo->errmsg ? pestrdup(einfo->errmsg, dbh->is_persistent) : NULL;
185 strcpy(dbh->error_code, stmt->error_code);
186 }
187 }
188
189 /* little mini hack so that we can use this code from the dbh ctor */
190 if (!dbh->methods) {
191 zend_throw_exception_ex(php_pdo_get_exception(), einfo->errcode TSRMLS_CC, "SQLSTATE[%s]: %s", *pdo_err, einfo->errmsg);
192 }
193
194 return einfo->errcode;
195 }
196 /* }}} */
197
oci_handle_closer(pdo_dbh_t * dbh TSRMLS_DC)198 static int oci_handle_closer(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
199 {
200 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
201
202 if (H->svc) {
203 /* rollback any outstanding work */
204 OCITransRollback(H->svc, H->err, 0);
205 }
206
207 if (H->session) {
208 OCIHandleFree(H->session, OCI_HTYPE_SESSION);
209 H->session = NULL;
210 }
211
212 if (H->svc) {
213 OCIHandleFree(H->svc, OCI_HTYPE_SVCCTX);
214 H->svc = NULL;
215 }
216
217 if (H->server && H->attached) {
218 H->last_err = OCIServerDetach(H->server, H->err, OCI_DEFAULT);
219 if (H->last_err) {
220 oci_drv_error("OCIServerDetach");
221 }
222 H->attached = 0;
223 }
224
225 if (H->server) {
226 OCIHandleFree(H->server, OCI_HTYPE_SERVER);
227 H->server = NULL;
228 }
229
230 if (H->err) {
231 OCIHandleFree(H->err, OCI_HTYPE_ERROR);
232 H->err = NULL;
233 }
234
235 if (H->charset && H->env) {
236 OCIHandleFree(H->env, OCI_HTYPE_ENV);
237 H->env = NULL;
238 }
239
240 if (H->einfo.errmsg) {
241 pefree(H->einfo.errmsg, dbh->is_persistent);
242 H->einfo.errmsg = NULL;
243 }
244
245 pefree(H, dbh->is_persistent);
246
247 return 0;
248 }
249 /* }}} */
250
oci_handle_preparer(pdo_dbh_t * dbh,const char * sql,long sql_len,pdo_stmt_t * stmt,zval * driver_options TSRMLS_DC)251 static int oci_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC) /* {{{ */
252 {
253 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
254 pdo_oci_stmt *S = ecalloc(1, sizeof(*S));
255 ub4 prefetch;
256 char *nsql = NULL;
257 int nsql_len = 0;
258 int ret;
259
260 #if HAVE_OCISTMTFETCH2
261 S->exec_type = pdo_attr_lval(driver_options, PDO_ATTR_CURSOR,
262 PDO_CURSOR_FWDONLY TSRMLS_CC) == PDO_CURSOR_SCROLL ?
263 OCI_STMT_SCROLLABLE_READONLY : OCI_DEFAULT;
264 #else
265 S->exec_type = OCI_DEFAULT;
266 #endif
267
268 S->H = H;
269 stmt->supports_placeholders = PDO_PLACEHOLDER_NAMED;
270 ret = pdo_parse_params(stmt, (char*)sql, sql_len, &nsql, &nsql_len TSRMLS_CC);
271
272 if (ret == 1) {
273 /* query was re-written */
274 sql = nsql;
275 sql_len = nsql_len;
276 } else if (ret == -1) {
277 /* couldn't grok it */
278 strcpy(dbh->error_code, stmt->error_code);
279 efree(S);
280 return 0;
281 }
282
283 /* create an OCI statement handle */
284 OCIHandleAlloc(H->env, (dvoid*)&S->stmt, OCI_HTYPE_STMT, 0, NULL);
285
286 /* and our own private error handle */
287 OCIHandleAlloc(H->env, (dvoid*)&S->err, OCI_HTYPE_ERROR, 0, NULL);
288
289 if (sql_len) {
290 H->last_err = OCIStmtPrepare(S->stmt, H->err, (text*)sql, sql_len, OCI_NTV_SYNTAX, OCI_DEFAULT);
291 if (nsql) {
292 efree(nsql);
293 nsql = NULL;
294 }
295 if (H->last_err) {
296 H->last_err = oci_drv_error("OCIStmtPrepare");
297 OCIHandleFree(S->stmt, OCI_HTYPE_STMT);
298 OCIHandleFree(S->err, OCI_HTYPE_ERROR);
299 efree(S);
300 return 0;
301 }
302
303 }
304
305 prefetch = pdo_oci_sanitize_prefetch(pdo_attr_lval(driver_options, PDO_ATTR_PREFETCH, PDO_OCI_PREFETCH_DEFAULT TSRMLS_CC));
306 if (prefetch) {
307 H->last_err = OCIAttrSet(S->stmt, OCI_HTYPE_STMT, &prefetch, 0,
308 OCI_ATTR_PREFETCH_ROWS, H->err);
309 if (!H->last_err) {
310 prefetch *= PDO_OCI_PREFETCH_ROWSIZE;
311 H->last_err = OCIAttrSet(S->stmt, OCI_HTYPE_STMT, &prefetch, 0,
312 OCI_ATTR_PREFETCH_MEMORY, H->err);
313 }
314 }
315
316 stmt->driver_data = S;
317 stmt->methods = &oci_stmt_methods;
318 if (nsql) {
319 efree(nsql);
320 nsql = NULL;
321 }
322
323 return 1;
324 }
325 /* }}} */
326
oci_handle_doer(pdo_dbh_t * dbh,const char * sql,long sql_len TSRMLS_DC)327 static long oci_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC) /* {{{ */
328 {
329 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
330 OCIStmt *stmt;
331 ub2 stmt_type;
332 ub4 rowcount;
333 int ret = -1;
334
335 OCIHandleAlloc(H->env, (dvoid*)&stmt, OCI_HTYPE_STMT, 0, NULL);
336
337 H->last_err = OCIStmtPrepare(stmt, H->err, (text*)sql, sql_len, OCI_NTV_SYNTAX, OCI_DEFAULT);
338 if (H->last_err) {
339 H->last_err = oci_drv_error("OCIStmtPrepare");
340 OCIHandleFree(stmt, OCI_HTYPE_STMT);
341 return -1;
342 }
343
344 H->last_err = OCIAttrGet(stmt, OCI_HTYPE_STMT, &stmt_type, 0, OCI_ATTR_STMT_TYPE, H->err);
345
346 if (stmt_type == OCI_STMT_SELECT) {
347 /* invalid usage; cancel it */
348 OCIHandleFree(stmt, OCI_HTYPE_STMT);
349 php_error_docref(NULL TSRMLS_CC, E_WARNING, "issuing a SELECT query here is invalid");
350 return -1;
351 }
352
353 /* now we are good to go */
354 H->last_err = OCIStmtExecute(H->svc, stmt, H->err, 1, 0, NULL, NULL,
355 (dbh->auto_commit && !dbh->in_txn) ? OCI_COMMIT_ON_SUCCESS : OCI_DEFAULT);
356
357 if (H->last_err) {
358 H->last_err = oci_drv_error("OCIStmtExecute");
359 } else {
360 /* return the number of affected rows */
361 H->last_err = OCIAttrGet(stmt, OCI_HTYPE_STMT, &rowcount, 0, OCI_ATTR_ROW_COUNT, H->err);
362 ret = rowcount;
363 }
364
365 OCIHandleFree(stmt, OCI_HTYPE_STMT);
366
367 return ret;
368 }
369 /* }}} */
370
oci_handle_quoter(pdo_dbh_t * dbh,const char * unquoted,int unquotedlen,char ** quoted,int * quotedlen,enum pdo_param_type paramtype TSRMLS_DC)371 static int oci_handle_quoter(pdo_dbh_t *dbh, const char *unquoted, int unquotedlen, char **quoted, int *quotedlen, enum pdo_param_type paramtype TSRMLS_DC) /* {{{ */
372 {
373 int qcount = 0;
374 char const *cu, *l, *r;
375 char *c;
376
377 if (!unquotedlen) {
378 *quotedlen = 2;
379 *quoted = emalloc(*quotedlen+1);
380 strcpy(*quoted, "''");
381 return 1;
382 }
383
384 /* count single quotes */
385 for (cu = unquoted; (cu = strchr(cu,'\'')); qcount++, cu++)
386 ; /* empty loop */
387
388 *quotedlen = unquotedlen + qcount + 2;
389 *quoted = c = emalloc(*quotedlen+1);
390 *c++ = '\'';
391
392 /* foreach (chunk that ends in a quote) */
393 for (l = unquoted; (r = strchr(l,'\'')); l = r+1) {
394 strncpy(c, l, r-l+1);
395 c += (r-l+1);
396 *c++ = '\''; /* add second quote */
397 }
398
399 /* Copy remainder and add enclosing quote */
400 strncpy(c, l, *quotedlen-(c-*quoted)-1);
401 (*quoted)[*quotedlen-1] = '\'';
402 (*quoted)[*quotedlen] = '\0';
403
404 return 1;
405 }
406 /* }}} */
407
oci_handle_begin(pdo_dbh_t * dbh TSRMLS_DC)408 static int oci_handle_begin(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
409 {
410 /* with Oracle, there is nothing special to be done */
411 return 1;
412 }
413 /* }}} */
414
oci_handle_commit(pdo_dbh_t * dbh TSRMLS_DC)415 static int oci_handle_commit(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
416 {
417 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
418
419 H->last_err = OCITransCommit(H->svc, H->err, 0);
420
421 if (H->last_err) {
422 H->last_err = oci_drv_error("OCITransCommit");
423 return 0;
424 }
425 return 1;
426 }
427 /* }}} */
428
oci_handle_rollback(pdo_dbh_t * dbh TSRMLS_DC)429 static int oci_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
430 {
431 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
432
433 H->last_err = OCITransRollback(H->svc, H->err, 0);
434
435 if (H->last_err) {
436 H->last_err = oci_drv_error("OCITransRollback");
437 return 0;
438 }
439 return 1;
440 }
441 /* }}} */
442
oci_handle_set_attribute(pdo_dbh_t * dbh,long attr,zval * val TSRMLS_DC)443 static int oci_handle_set_attribute(pdo_dbh_t *dbh, long attr, zval *val TSRMLS_DC) /* {{{ */
444 {
445 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
446
447 if (attr == PDO_ATTR_AUTOCOMMIT) {
448 if (dbh->in_txn) {
449 /* Assume they want to commit whatever is outstanding */
450 H->last_err = OCITransCommit(H->svc, H->err, 0);
451
452 if (H->last_err) {
453 H->last_err = oci_drv_error("OCITransCommit");
454 return 0;
455 }
456 dbh->in_txn = 0;
457 }
458
459 convert_to_long(val);
460
461 dbh->auto_commit = Z_LVAL_P(val);
462 return 1;
463 } else {
464 return 0;
465 }
466
467 }
468 /* }}} */
469
oci_handle_get_attribute(pdo_dbh_t * dbh,long attr,zval * return_value TSRMLS_DC)470 static int oci_handle_get_attribute(pdo_dbh_t *dbh, long attr, zval *return_value TSRMLS_DC) /* {{{ */
471 {
472 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
473
474 switch (attr) {
475 case PDO_ATTR_SERVER_VERSION:
476 case PDO_ATTR_SERVER_INFO:
477 {
478 text infostr[512];
479 char verstr[15];
480 ub4 vernum;
481
482 if (OCIServerRelease(H->svc, H->err, infostr, (ub4)sizeof(infostr), (ub1)OCI_HTYPE_SVCCTX, &vernum))
483 {
484 ZVAL_STRING(return_value, "<<Unknown>>", 1);
485 } else {
486 if (attr == PDO_ATTR_SERVER_INFO) {
487 ZVAL_STRING(return_value, (char *)infostr, 1);
488 } else {
489 slprintf(verstr, sizeof(verstr), "%d.%d.%d.%d.%d",
490 (int)((vernum>>24) & 0xFF), /* version number */
491 (int)((vernum>>20) & 0x0F), /* release number*/
492 (int)((vernum>>12) & 0xFF), /* update number */
493 (int)((vernum>>8) & 0x0F), /* port release number */
494 (int)((vernum>>0) & 0xFF)); /* port update number */
495
496 ZVAL_STRING(return_value, verstr, 1);
497 }
498 }
499 return TRUE;
500 }
501
502 case PDO_ATTR_CLIENT_VERSION:
503 {
504 #if OCI_MAJOR_VERSION > 10 || (OCI_MAJOR_VERSION == 10 && OCI_MINOR_VERSION >= 2)
505 /* Run time client version */
506 sword major, minor, update, patch, port_update;
507 char verstr[15];
508
509 OCIClientVersion(&major, &minor, &update, &patch, &port_update);
510 slprintf(verstr, sizeof(verstr), "%d.%d.%d.%d.%d", major, minor, update, patch, port_update);
511 ZVAL_STRING(return_value, verstr, 1);
512 #elif defined(PHP_PDO_OCI_CLIENT_VERSION)
513 /* Compile time client version */
514 ZVAL_STRING(return_value, PHP_PDO_OCI_CLIENT_VERSION, 1);
515 #else
516 return FALSE;
517
518 #endif /* Check for OCIClientVersion() support */
519
520 return TRUE;
521 }
522
523 case PDO_ATTR_AUTOCOMMIT:
524 ZVAL_BOOL(return_value, dbh->auto_commit);
525 return TRUE;
526
527 default:
528 return FALSE;
529
530 }
531 return FALSE;
532
533 }
534 /* }}} */
535
pdo_oci_check_liveness(pdo_dbh_t * dbh TSRMLS_DC)536 static int pdo_oci_check_liveness(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
537 {
538 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
539 sb4 error_code = 0;
540 #if (!((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2))))
541 char version[256];
542 #endif
543
544 /* TODO move attached check to PDO level */
545 if (H->attached == 0) {
546 return FAILURE;
547 }
548 /* TODO add persistent_timeout check at PDO level */
549
550
551 /* Use OCIPing instead of OCIServerVersion. If OCIPing returns ORA-1010 (invalid OCI operation)
552 * such as from Pre-10.1 servers, the error is still from the server and we would have
553 * successfully performed a roundtrip and validated the connection. Use OCIServerVersion for
554 * Pre-10.2 clients
555 */
556 #if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2))) /* OCIPing available 10.2 onwards */
557 H->last_err = OCIPing (H->svc, H->err, OCI_DEFAULT);
558 #else
559 /* use good old OCIServerVersion() */
560 H->last_err = OCIServerVersion (H->svc, H->err, (text *)version, sizeof(version), OCI_HTYPE_SVCCTX);
561 #endif
562 if (H->last_err == OCI_SUCCESS) {
563 return SUCCESS;
564 }
565
566 OCIErrorGet (H->err, (ub4)1, NULL, &error_code, NULL, 0, OCI_HTYPE_ERROR);
567
568 if (error_code == 1010) {
569 return SUCCESS;
570 }
571 return FAILURE;
572 }
573 /* }}} */
574
575 static struct pdo_dbh_methods oci_methods = {
576 oci_handle_closer,
577 oci_handle_preparer,
578 oci_handle_doer,
579 oci_handle_quoter,
580 oci_handle_begin,
581 oci_handle_commit,
582 oci_handle_rollback,
583 oci_handle_set_attribute,
584 NULL,
585 pdo_oci_fetch_error_func,
586 oci_handle_get_attribute,
587 pdo_oci_check_liveness, /* check_liveness */
588 NULL /* get_driver_methods */
589 };
590
pdo_oci_handle_factory(pdo_dbh_t * dbh,zval * driver_options TSRMLS_DC)591 static int pdo_oci_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC) /* {{{ */
592 {
593 pdo_oci_db_handle *H;
594 int i, ret = 0;
595 struct pdo_data_src_parser vars[] = {
596 { "charset", NULL, 0 },
597 { "dbname", "", 0 }
598 };
599
600 php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 2);
601
602 H = pecalloc(1, sizeof(*H), dbh->is_persistent);
603 dbh->driver_data = H;
604
605 /* allocate an environment */
606 #if HAVE_OCIENVNLSCREATE
607 if (vars[0].optval) {
608 H->charset = OCINlsCharSetNameToId(pdo_oci_Env, (const oratext *)vars[0].optval);
609 if (!H->charset) {
610 oci_init_error("OCINlsCharSetNameToId: unknown character set name");
611 goto cleanup;
612 } else {
613 if (OCIEnvNlsCreate(&H->env, PDO_OCI_INIT_MODE, 0, NULL, NULL, NULL, 0, NULL, H->charset, H->charset) != OCI_SUCCESS) {
614 oci_init_error("OCIEnvNlsCreate: Check the character set is valid and that PHP has access to Oracle libraries and NLS data");
615 goto cleanup;
616 }
617 }
618 }
619 #endif
620 if (H->env == NULL) {
621 /* use the global environment */
622 H->env = pdo_oci_Env;
623 }
624
625 /* something to hold errors */
626 OCIHandleAlloc(H->env, (dvoid **)&H->err, OCI_HTYPE_ERROR, 0, NULL);
627
628 /* handle for the server */
629 OCIHandleAlloc(H->env, (dvoid **)&H->server, OCI_HTYPE_SERVER, 0, NULL);
630
631 H->last_err = OCIServerAttach(H->server, H->err, (text*)vars[1].optval,
632 strlen(vars[1].optval), OCI_DEFAULT);
633
634 if (H->last_err) {
635 oci_drv_error("pdo_oci_handle_factory");
636 goto cleanup;
637 }
638
639 H->attached = 1;
640
641 /* create a service context */
642 H->last_err = OCIHandleAlloc(H->env, (dvoid**)&H->svc, OCI_HTYPE_SVCCTX, 0, NULL);
643 if (H->last_err) {
644 oci_drv_error("OCIHandleAlloc: OCI_HTYPE_SVCCTX");
645 goto cleanup;
646 }
647
648 H->last_err = OCIHandleAlloc(H->env, (dvoid**)&H->session, OCI_HTYPE_SESSION, 0, NULL);
649 if (H->last_err) {
650 oci_drv_error("OCIHandleAlloc: OCI_HTYPE_SESSION");
651 goto cleanup;
652 }
653
654 /* set server handle into service handle */
655 H->last_err = OCIAttrSet(H->svc, OCI_HTYPE_SVCCTX, H->server, 0, OCI_ATTR_SERVER, H->err);
656 if (H->last_err) {
657 oci_drv_error("OCIAttrSet: OCI_ATTR_SERVER");
658 goto cleanup;
659 }
660
661 /* username */
662 if (dbh->username) {
663 H->last_err = OCIAttrSet(H->session, OCI_HTYPE_SESSION,
664 dbh->username, strlen(dbh->username),
665 OCI_ATTR_USERNAME, H->err);
666 if (H->last_err) {
667 oci_drv_error("OCIAttrSet: OCI_ATTR_USERNAME");
668 goto cleanup;
669 }
670 }
671
672 /* password */
673 if (dbh->password) {
674 H->last_err = OCIAttrSet(H->session, OCI_HTYPE_SESSION,
675 dbh->password, strlen(dbh->password),
676 OCI_ATTR_PASSWORD, H->err);
677 if (H->last_err) {
678 oci_drv_error("OCIAttrSet: OCI_ATTR_PASSWORD");
679 goto cleanup;
680 }
681 }
682
683 /* Now fire up the session */
684 H->last_err = OCISessionBegin(H->svc, H->err, H->session, OCI_CRED_RDBMS, OCI_DEFAULT);
685 if (H->last_err) {
686 oci_drv_error("OCISessionBegin");
687 goto cleanup;
688 }
689
690 /* set the server handle into service handle */
691 H->last_err = OCIAttrSet(H->svc, OCI_HTYPE_SVCCTX, H->session, 0, OCI_ATTR_SESSION, H->err);
692 if (H->last_err) {
693 oci_drv_error("OCIAttrSet: OCI_ATTR_SESSION");
694 goto cleanup;
695 }
696
697 dbh->methods = &oci_methods;
698 dbh->alloc_own_columns = 1;
699 dbh->native_case = PDO_CASE_UPPER;
700
701 ret = 1;
702
703 cleanup:
704 for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
705 if (vars[i].freeme) {
706 efree(vars[i].optval);
707 }
708 }
709
710 if (!ret) {
711 oci_handle_closer(dbh TSRMLS_CC);
712 }
713
714 return ret;
715 }
716 /* }}} */
717
718 pdo_driver_t pdo_oci_driver = {
719 PDO_DRIVER_HEADER(oci),
720 pdo_oci_handle_factory
721 };
722
pdo_oci_sanitize_prefetch(long prefetch)723 static inline ub4 pdo_oci_sanitize_prefetch(long prefetch) /* {{{ */
724 {
725 if (prefetch < 0) {
726 prefetch = 0;
727 } else if (prefetch > UB4MAXVAL / PDO_OCI_PREFETCH_ROWSIZE) {
728 prefetch = PDO_OCI_PREFETCH_DEFAULT;
729 }
730 return ((ub4)prefetch);
731 }
732 /* }}} */
733
734
735 /*
736 * Local variables:
737 * tab-width: 4
738 * c-basic-offset: 4
739 * End:
740 * vim600: noet sw=4 ts=4 fdm=marker
741 * vim<600: noet sw=4 ts=4
742 */
743
