1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2013 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 OCIHandleFree(H->err, OCI_HTYPE_ERROR);
231 H->err = NULL;
232
233 if (H->charset && H->env) {
234 OCIHandleFree(H->env, OCI_HTYPE_ENV);
235 H->env = NULL;
236 }
237
238 if (H->einfo.errmsg) {
239 pefree(H->einfo.errmsg, dbh->is_persistent);
240 H->einfo.errmsg = NULL;
241 }
242
243 pefree(H, dbh->is_persistent);
244
245 return 0;
246 }
247 /* }}} */
248
oci_handle_preparer(pdo_dbh_t * dbh,const char * sql,long sql_len,pdo_stmt_t * stmt,zval * driver_options TSRMLS_DC)249 static int oci_handle_preparer(pdo_dbh_t *dbh, const char *sql, long sql_len, pdo_stmt_t *stmt, zval *driver_options TSRMLS_DC) /* {{{ */
250 {
251 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
252 pdo_oci_stmt *S = ecalloc(1, sizeof(*S));
253 ub4 prefetch;
254 char *nsql = NULL;
255 int nsql_len = 0;
256 int ret;
257
258 #if HAVE_OCISTMTFETCH2
259 S->exec_type = pdo_attr_lval(driver_options, PDO_ATTR_CURSOR,
260 PDO_CURSOR_FWDONLY TSRMLS_CC) == PDO_CURSOR_SCROLL ?
261 OCI_STMT_SCROLLABLE_READONLY : OCI_DEFAULT;
262 #else
263 S->exec_type = OCI_DEFAULT;
264 #endif
265
266 S->H = H;
267 stmt->supports_placeholders = PDO_PLACEHOLDER_NAMED;
268 ret = pdo_parse_params(stmt, (char*)sql, sql_len, &nsql, &nsql_len TSRMLS_CC);
269
270 if (ret == 1) {
271 /* query was re-written */
272 sql = nsql;
273 sql_len = nsql_len;
274 } else if (ret == -1) {
275 /* couldn't grok it */
276 strcpy(dbh->error_code, stmt->error_code);
277 efree(S);
278 return 0;
279 }
280
281 /* create an OCI statement handle */
282 OCIHandleAlloc(H->env, (dvoid*)&S->stmt, OCI_HTYPE_STMT, 0, NULL);
283
284 /* and our own private error handle */
285 OCIHandleAlloc(H->env, (dvoid*)&S->err, OCI_HTYPE_ERROR, 0, NULL);
286
287 if (sql_len) {
288 H->last_err = OCIStmtPrepare(S->stmt, H->err, (text*)sql, sql_len, OCI_NTV_SYNTAX, OCI_DEFAULT);
289 if (nsql) {
290 efree(nsql);
291 nsql = NULL;
292 }
293 if (H->last_err) {
294 H->last_err = oci_drv_error("OCIStmtPrepare");
295 OCIHandleFree(S->stmt, OCI_HTYPE_STMT);
296 OCIHandleFree(S->err, OCI_HTYPE_ERROR);
297 efree(S);
298 return 0;
299 }
300
301 }
302
303 prefetch = pdo_oci_sanitize_prefetch(pdo_attr_lval(driver_options, PDO_ATTR_PREFETCH, PDO_OCI_PREFETCH_DEFAULT TSRMLS_CC));
304 if (prefetch) {
305 H->last_err = OCIAttrSet(S->stmt, OCI_HTYPE_STMT, &prefetch, 0,
306 OCI_ATTR_PREFETCH_ROWS, H->err);
307 if (!H->last_err) {
308 prefetch *= PDO_OCI_PREFETCH_ROWSIZE;
309 H->last_err = OCIAttrSet(S->stmt, OCI_HTYPE_STMT, &prefetch, 0,
310 OCI_ATTR_PREFETCH_MEMORY, H->err);
311 }
312 }
313
314 stmt->driver_data = S;
315 stmt->methods = &oci_stmt_methods;
316 if (nsql) {
317 efree(nsql);
318 nsql = NULL;
319 }
320
321 return 1;
322 }
323 /* }}} */
324
oci_handle_doer(pdo_dbh_t * dbh,const char * sql,long sql_len TSRMLS_DC)325 static long oci_handle_doer(pdo_dbh_t *dbh, const char *sql, long sql_len TSRMLS_DC) /* {{{ */
326 {
327 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
328 OCIStmt *stmt;
329 ub2 stmt_type;
330 ub4 rowcount;
331 int ret = -1;
332
333 OCIHandleAlloc(H->env, (dvoid*)&stmt, OCI_HTYPE_STMT, 0, NULL);
334
335 H->last_err = OCIStmtPrepare(stmt, H->err, (text*)sql, sql_len, OCI_NTV_SYNTAX, OCI_DEFAULT);
336 if (H->last_err) {
337 H->last_err = oci_drv_error("OCIStmtPrepare");
338 OCIHandleFree(stmt, OCI_HTYPE_STMT);
339 return -1;
340 }
341
342 H->last_err = OCIAttrGet(stmt, OCI_HTYPE_STMT, &stmt_type, 0, OCI_ATTR_STMT_TYPE, H->err);
343
344 if (stmt_type == OCI_STMT_SELECT) {
345 /* invalid usage; cancel it */
346 OCIHandleFree(stmt, OCI_HTYPE_STMT);
347 php_error_docref(NULL TSRMLS_CC, E_WARNING, "issuing a SELECT query here is invalid");
348 return -1;
349 }
350
351 /* now we are good to go */
352 H->last_err = OCIStmtExecute(H->svc, stmt, H->err, 1, 0, NULL, NULL,
353 (dbh->auto_commit && !dbh->in_txn) ? OCI_COMMIT_ON_SUCCESS : OCI_DEFAULT);
354
355 if (H->last_err) {
356 H->last_err = oci_drv_error("OCIStmtExecute");
357 } else {
358 /* return the number of affected rows */
359 H->last_err = OCIAttrGet(stmt, OCI_HTYPE_STMT, &rowcount, 0, OCI_ATTR_ROW_COUNT, H->err);
360 ret = rowcount;
361 }
362
363 OCIHandleFree(stmt, OCI_HTYPE_STMT);
364
365 return ret;
366 }
367 /* }}} */
368
oci_handle_quoter(pdo_dbh_t * dbh,const char * unquoted,int unquotedlen,char ** quoted,int * quotedlen,enum pdo_param_type paramtype TSRMLS_DC)369 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) /* {{{ */
370 {
371 int qcount = 0;
372 char const *cu, *l, *r;
373 char *c;
374
375 if (!unquotedlen) {
376 *quotedlen = 2;
377 *quoted = emalloc(*quotedlen+1);
378 strcpy(*quoted, "''");
379 return 1;
380 }
381
382 /* count single quotes */
383 for (cu = unquoted; (cu = strchr(cu,'\'')); qcount++, cu++)
384 ; /* empty loop */
385
386 *quotedlen = unquotedlen + qcount + 2;
387 *quoted = c = emalloc(*quotedlen+1);
388 *c++ = '\'';
389
390 /* foreach (chunk that ends in a quote) */
391 for (l = unquoted; (r = strchr(l,'\'')); l = r+1) {
392 strncpy(c, l, r-l+1);
393 c += (r-l+1);
394 *c++ = '\''; /* add second quote */
395 }
396
397 /* Copy remainder and add enclosing quote */
398 strncpy(c, l, *quotedlen-(c-*quoted)-1);
399 (*quoted)[*quotedlen-1] = '\'';
400 (*quoted)[*quotedlen] = '\0';
401
402 return 1;
403 }
404 /* }}} */
405
oci_handle_begin(pdo_dbh_t * dbh TSRMLS_DC)406 static int oci_handle_begin(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
407 {
408 /* with Oracle, there is nothing special to be done */
409 return 1;
410 }
411 /* }}} */
412
oci_handle_commit(pdo_dbh_t * dbh TSRMLS_DC)413 static int oci_handle_commit(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
414 {
415 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
416
417 H->last_err = OCITransCommit(H->svc, H->err, 0);
418
419 if (H->last_err) {
420 H->last_err = oci_drv_error("OCITransCommit");
421 return 0;
422 }
423 return 1;
424 }
425 /* }}} */
426
oci_handle_rollback(pdo_dbh_t * dbh TSRMLS_DC)427 static int oci_handle_rollback(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
428 {
429 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
430
431 H->last_err = OCITransRollback(H->svc, H->err, 0);
432
433 if (H->last_err) {
434 H->last_err = oci_drv_error("OCITransRollback");
435 return 0;
436 }
437 return 1;
438 }
439 /* }}} */
440
oci_handle_set_attribute(pdo_dbh_t * dbh,long attr,zval * val TSRMLS_DC)441 static int oci_handle_set_attribute(pdo_dbh_t *dbh, long attr, zval *val TSRMLS_DC) /* {{{ */
442 {
443 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
444
445 if (attr == PDO_ATTR_AUTOCOMMIT) {
446 if (dbh->in_txn) {
447 /* Assume they want to commit whatever is outstanding */
448 H->last_err = OCITransCommit(H->svc, H->err, 0);
449
450 if (H->last_err) {
451 H->last_err = oci_drv_error("OCITransCommit");
452 return 0;
453 }
454 dbh->in_txn = 0;
455 }
456
457 convert_to_long(val);
458
459 dbh->auto_commit = Z_LVAL_P(val);
460 return 1;
461 } else {
462 return 0;
463 }
464
465 }
466 /* }}} */
467
oci_handle_get_attribute(pdo_dbh_t * dbh,long attr,zval * return_value TSRMLS_DC)468 static int oci_handle_get_attribute(pdo_dbh_t *dbh, long attr, zval *return_value TSRMLS_DC) /* {{{ */
469 {
470 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
471
472 switch (attr) {
473 case PDO_ATTR_SERVER_VERSION:
474 case PDO_ATTR_SERVER_INFO:
475 {
476 text infostr[512];
477 char verstr[15];
478 ub4 vernum;
479
480 if (OCIServerRelease(H->svc, H->err, infostr, (ub4)sizeof(infostr), (ub1)OCI_HTYPE_SVCCTX, &vernum))
481 {
482 ZVAL_STRING(return_value, "<<Unknown>>", 1);
483 } else {
484 if (attr == PDO_ATTR_SERVER_INFO) {
485 ZVAL_STRING(return_value, (char *)infostr, 1);
486 } else {
487 slprintf(verstr, sizeof(verstr), "%d.%d.%d.%d.%d",
488 (int)((vernum>>24) & 0xFF), /* version number */
489 (int)((vernum>>20) & 0x0F), /* release number*/
490 (int)((vernum>>12) & 0xFF), /* update number */
491 (int)((vernum>>8) & 0x0F), /* port release number */
492 (int)((vernum>>0) & 0xFF)); /* port update number */
493
494 ZVAL_STRING(return_value, verstr, 1);
495 }
496 }
497 return TRUE;
498 }
499
500 case PDO_ATTR_CLIENT_VERSION:
501 {
502 #if OCI_MAJOR_VERSION > 10 || (OCI_MAJOR_VERSION == 10 && OCI_MINOR_VERSION >= 2)
503 /* Run time client version */
504 sword major, minor, update, patch, port_update;
505 char verstr[15];
506
507 OCIClientVersion(&major, &minor, &update, &patch, &port_update);
508 slprintf(verstr, sizeof(verstr), "%d.%d.%d.%d.%d", major, minor, update, patch, port_update);
509 ZVAL_STRING(return_value, verstr, 1);
510 #elif defined(PHP_PDO_OCI_CLIENT_VERSION)
511 /* Compile time client version */
512 ZVAL_STRING(return_value, PHP_PDO_OCI_CLIENT_VERSION, 1);
513 #else
514 return FALSE;
515
516 #endif /* Check for OCIClientVersion() support */
517
518 return TRUE;
519 }
520
521 case PDO_ATTR_AUTOCOMMIT:
522 ZVAL_BOOL(return_value, dbh->auto_commit);
523 return TRUE;
524
525 default:
526 return FALSE;
527
528 }
529 return FALSE;
530
531 }
532 /* }}} */
533
pdo_oci_check_liveness(pdo_dbh_t * dbh TSRMLS_DC)534 static int pdo_oci_check_liveness(pdo_dbh_t *dbh TSRMLS_DC) /* {{{ */
535 {
536 pdo_oci_db_handle *H = (pdo_oci_db_handle *)dbh->driver_data;
537 sb4 error_code = 0;
538 char version[256];
539
540 /* TODO move attached check to PDO level */
541 if (H->attached == 0) {
542 return FAILURE;
543 }
544 /* TODO add persistent_timeout check at PDO level */
545
546
547 /* Use OCIPing instead of OCIServerVersion. If OCIPing returns ORA-1010 (invalid OCI operation)
548 * such as from Pre-10.1 servers, the error is still from the server and we would have
549 * successfully performed a roundtrip and validated the connection. Use OCIServerVersion for
550 * Pre-10.2 clients
551 */
552 #if ((OCI_MAJOR_VERSION > 10) || ((OCI_MAJOR_VERSION == 10) && (OCI_MINOR_VERSION >= 2))) /* OCIPing available 10.2 onwards */
553 H->last_err = OCIPing (H->svc, H->err, OCI_DEFAULT);
554 #else
555 /* use good old OCIServerVersion() */
556 H->last_err = OCIServerVersion (H->svc, H->err, (text *)version, sizeof(version), OCI_HTYPE_SVCCTX);
557 #endif
558 if (H->last_err == OCI_SUCCESS) {
559 return SUCCESS;
560 }
561
562 OCIErrorGet (H->err, (ub4)1, NULL, &error_code, NULL, 0, OCI_HTYPE_ERROR);
563
564 if (error_code == 1010) {
565 return SUCCESS;
566 }
567 return FAILURE;
568 }
569 /* }}} */
570
571 static struct pdo_dbh_methods oci_methods = {
572 oci_handle_closer,
573 oci_handle_preparer,
574 oci_handle_doer,
575 oci_handle_quoter,
576 oci_handle_begin,
577 oci_handle_commit,
578 oci_handle_rollback,
579 oci_handle_set_attribute,
580 NULL,
581 pdo_oci_fetch_error_func,
582 oci_handle_get_attribute,
583 pdo_oci_check_liveness, /* check_liveness */
584 NULL /* get_driver_methods */
585 };
586
pdo_oci_handle_factory(pdo_dbh_t * dbh,zval * driver_options TSRMLS_DC)587 static int pdo_oci_handle_factory(pdo_dbh_t *dbh, zval *driver_options TSRMLS_DC) /* {{{ */
588 {
589 pdo_oci_db_handle *H;
590 int i, ret = 0;
591 struct pdo_data_src_parser vars[] = {
592 { "charset", NULL, 0 },
593 { "dbname", "", 0 }
594 };
595
596 php_pdo_parse_data_source(dbh->data_source, dbh->data_source_len, vars, 2);
597
598 H = pecalloc(1, sizeof(*H), dbh->is_persistent);
599 dbh->driver_data = H;
600
601 /* allocate an environment */
602 #if HAVE_OCIENVNLSCREATE
603 if (vars[0].optval) {
604 H->charset = OCINlsCharSetNameToId(pdo_oci_Env, (const oratext *)vars[0].optval);
605 if (!H->charset) {
606 oci_init_error("OCINlsCharSetNameToId: unknown character set name");
607 goto cleanup;
608 } else {
609 if (OCIEnvNlsCreate(&H->env, PDO_OCI_INIT_MODE, 0, NULL, NULL, NULL, 0, NULL, H->charset, H->charset) != OCI_SUCCESS) {
610 oci_init_error("OCIEnvNlsCreate: Check the character set is valid and that PHP has access to Oracle libraries and NLS data");
611 goto cleanup;
612 }
613 }
614 }
615 #endif
616 if (H->env == NULL) {
617 /* use the global environment */
618 H->env = pdo_oci_Env;
619 }
620
621 /* something to hold errors */
622 OCIHandleAlloc(H->env, (dvoid **)&H->err, OCI_HTYPE_ERROR, 0, NULL);
623
624 /* handle for the server */
625 OCIHandleAlloc(H->env, (dvoid **)&H->server, OCI_HTYPE_SERVER, 0, NULL);
626
627 H->last_err = OCIServerAttach(H->server, H->err, (text*)vars[1].optval,
628 strlen(vars[1].optval), OCI_DEFAULT);
629
630 if (H->last_err) {
631 oci_drv_error("pdo_oci_handle_factory");
632 goto cleanup;
633 }
634
635 H->attached = 1;
636
637 /* create a service context */
638 H->last_err = OCIHandleAlloc(H->env, (dvoid**)&H->svc, OCI_HTYPE_SVCCTX, 0, NULL);
639 if (H->last_err) {
640 oci_drv_error("OCIHandleAlloc: OCI_HTYPE_SVCCTX");
641 goto cleanup;
642 }
643
644 H->last_err = OCIHandleAlloc(H->env, (dvoid**)&H->session, OCI_HTYPE_SESSION, 0, NULL);
645 if (H->last_err) {
646 oci_drv_error("OCIHandleAlloc: OCI_HTYPE_SESSION");
647 goto cleanup;
648 }
649
650 /* set server handle into service handle */
651 H->last_err = OCIAttrSet(H->svc, OCI_HTYPE_SVCCTX, H->server, 0, OCI_ATTR_SERVER, H->err);
652 if (H->last_err) {
653 oci_drv_error("OCIAttrSet: OCI_ATTR_SERVER");
654 goto cleanup;
655 }
656
657 /* username */
658 if (dbh->username) {
659 H->last_err = OCIAttrSet(H->session, OCI_HTYPE_SESSION,
660 dbh->username, strlen(dbh->username),
661 OCI_ATTR_USERNAME, H->err);
662 if (H->last_err) {
663 oci_drv_error("OCIAttrSet: OCI_ATTR_USERNAME");
664 goto cleanup;
665 }
666 }
667
668 /* password */
669 if (dbh->password) {
670 H->last_err = OCIAttrSet(H->session, OCI_HTYPE_SESSION,
671 dbh->password, strlen(dbh->password),
672 OCI_ATTR_PASSWORD, H->err);
673 if (H->last_err) {
674 oci_drv_error("OCIAttrSet: OCI_ATTR_PASSWORD");
675 goto cleanup;
676 }
677 }
678
679 /* Now fire up the session */
680 H->last_err = OCISessionBegin(H->svc, H->err, H->session, OCI_CRED_RDBMS, OCI_DEFAULT);
681 if (H->last_err) {
682 oci_drv_error("OCISessionBegin");
683 goto cleanup;
684 }
685
686 /* set the server handle into service handle */
687 H->last_err = OCIAttrSet(H->svc, OCI_HTYPE_SVCCTX, H->session, 0, OCI_ATTR_SESSION, H->err);
688 if (H->last_err) {
689 oci_drv_error("OCIAttrSet: OCI_ATTR_SESSION");
690 goto cleanup;
691 }
692
693 dbh->methods = &oci_methods;
694 dbh->alloc_own_columns = 1;
695 dbh->native_case = PDO_CASE_UPPER;
696
697 ret = 1;
698
699 cleanup:
700 for (i = 0; i < sizeof(vars)/sizeof(vars[0]); i++) {
701 if (vars[i].freeme) {
702 efree(vars[i].optval);
703 }
704 }
705
706 if (!ret) {
707 oci_handle_closer(dbh TSRMLS_CC);
708 }
709
710 return ret;
711 }
712 /* }}} */
713
714 pdo_driver_t pdo_oci_driver = {
715 PDO_DRIVER_HEADER(oci),
716 pdo_oci_handle_factory
717 };
718
pdo_oci_sanitize_prefetch(long prefetch)719 static inline ub4 pdo_oci_sanitize_prefetch(long prefetch) /* {{{ */
720 {
721 if (prefetch < 0) {
722 prefetch = 0;
723 } else if (prefetch > UB4MAXVAL / PDO_OCI_PREFETCH_ROWSIZE) {
724 prefetch = PDO_OCI_PREFETCH_DEFAULT;
725 }
726 return ((ub4)prefetch);
727 }
728 /* }}} */
729
730
731 /*
732 * Local variables:
733 * tab-width: 4
734 * c-basic-offset: 4
735 * End:
736 * vim600: noet sw=4 ts=4 fdm=marker
737 * vim<600: noet sw=4 ts=4
738 */
739
