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   | Authors: Jouni Ahto <jouni.ahto@exdec.fi>                            |
16   |          Andrew Avdeev <andy@rsc.mv.ru>                              |
17   |          Ard Biesheuvel <a.k.biesheuvel@ewi.tudelft.nl>              |
18   +----------------------------------------------------------------------+
19 */
20
21#ifdef HAVE_CONFIG_H
22#include "config.h"
23#endif
24
25#define _GNU_SOURCE
26
27#include "php.h"
28
29#if HAVE_IBASE
30
31#include "php_ini.h"
32#include "ext/standard/php_standard.h"
33#include "ext/standard/md5.h"
34#include "php_interbase.h"
35#include "php_ibase_includes.h"
36#include "SAPI.h"
37
38#include <time.h>
39
40#define ROLLBACK        0
41#define COMMIT          1
42#define RETAIN          2
43
44#define CHECK_LINK(link) { if (link==-1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "A link to the server could not be established"); RETURN_FALSE; } }
45
46ZEND_DECLARE_MODULE_GLOBALS(ibase)
47static PHP_GINIT_FUNCTION(ibase);
48
49/* {{{ arginfo */
50ZEND_BEGIN_ARG_INFO(arginfo_ibase_errmsg, 0)
51ZEND_END_ARG_INFO()
52
53ZEND_BEGIN_ARG_INFO(arginfo_ibase_errcode, 0)
54ZEND_END_ARG_INFO()
55
56ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_connect, 0, 0, 1)
57    ZEND_ARG_INFO(0, database)
58    ZEND_ARG_INFO(0, username)
59    ZEND_ARG_INFO(0, password)
60    ZEND_ARG_INFO(0, charset)
61    ZEND_ARG_INFO(0, buffers)
62    ZEND_ARG_INFO(0, dialect)
63    ZEND_ARG_INFO(0, role)
64ZEND_END_ARG_INFO()
65
66ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_pconnect, 0, 0, 1)
67    ZEND_ARG_INFO(0, database)
68    ZEND_ARG_INFO(0, username)
69    ZEND_ARG_INFO(0, password)
70    ZEND_ARG_INFO(0, charset)
71    ZEND_ARG_INFO(0, buffers)
72    ZEND_ARG_INFO(0, dialect)
73    ZEND_ARG_INFO(0, role)
74ZEND_END_ARG_INFO()
75
76ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_close, 0, 0, 0)
77    ZEND_ARG_INFO(0, link_identifier)
78ZEND_END_ARG_INFO()
79
80ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_drop_db, 0, 0, 0)
81    ZEND_ARG_INFO(0, link_identifier)
82ZEND_END_ARG_INFO()
83
84ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_trans, 0, 0, 0)
85    ZEND_ARG_INFO(0, trans_args)
86    ZEND_ARG_INFO(0, link_identifier)
87    ZEND_ARG_INFO(0, trans_args)
88    ZEND_ARG_INFO(0, link_identifier)
89ZEND_END_ARG_INFO()
90
91ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_commit, 0, 0, 1)
92    ZEND_ARG_INFO(0, link_identifier)
93ZEND_END_ARG_INFO()
94
95ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_rollback, 0, 0, 1)
96    ZEND_ARG_INFO(0, link_identifier)
97ZEND_END_ARG_INFO()
98
99ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_commit_ret, 0, 0, 1)
100    ZEND_ARG_INFO(0, link_identifier)
101ZEND_END_ARG_INFO()
102
103ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_rollback_ret, 0, 0, 1)
104    ZEND_ARG_INFO(0, link_identifier)
105ZEND_END_ARG_INFO()
106
107ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_gen_id, 0, 0, 1)
108    ZEND_ARG_INFO(0, generator)
109    ZEND_ARG_INFO(0, increment)
110    ZEND_ARG_INFO(0, link_identifier)
111ZEND_END_ARG_INFO()
112
113ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_create, 0, 0, 0)
114    ZEND_ARG_INFO(0, link_identifier)
115ZEND_END_ARG_INFO()
116
117ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_open, 0, 0, 0)
118    ZEND_ARG_INFO(0, link_identifier)
119    ZEND_ARG_INFO(0, blob_id)
120ZEND_END_ARG_INFO()
121
122ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_add, 0, 0, 2)
123    ZEND_ARG_INFO(0, blob_handle)
124    ZEND_ARG_INFO(0, data)
125ZEND_END_ARG_INFO()
126
127ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_get, 0, 0, 2)
128    ZEND_ARG_INFO(0, blob_handle)
129    ZEND_ARG_INFO(0, len)
130ZEND_END_ARG_INFO()
131
132ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_close, 0, 0, 1)
133    ZEND_ARG_INFO(0, blob_handle)
134ZEND_END_ARG_INFO()
135
136ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_cancel, 0, 0, 1)
137    ZEND_ARG_INFO(0, blob_handle)
138ZEND_END_ARG_INFO()
139
140ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_info, 0, 0, 0)
141    ZEND_ARG_INFO(0, link_identifier)
142    ZEND_ARG_INFO(0, blob_id)
143ZEND_END_ARG_INFO()
144
145ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_echo, 0, 0, 0)
146    ZEND_ARG_INFO(0, link_identifier)
147    ZEND_ARG_INFO(0, blob_id)
148ZEND_END_ARG_INFO()
149
150ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_blob_import, 0, 0, 0)
151    ZEND_ARG_INFO(0, link_identifier)
152    ZEND_ARG_INFO(0, file)
153ZEND_END_ARG_INFO()
154
155ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_query, 0, 0, 0)
156    ZEND_ARG_INFO(0, link_identifier)
157    ZEND_ARG_INFO(0, link_identifier)
158    ZEND_ARG_INFO(0, query)
159    ZEND_ARG_INFO(0, bind_arg)
160    ZEND_ARG_INFO(0, bind_arg)
161ZEND_END_ARG_INFO()
162
163ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_affected_rows, 0, 0, 0)
164    ZEND_ARG_INFO(0, link_identifier)
165ZEND_END_ARG_INFO()
166
167#if abies_0
168ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_num_rows, 0, 0, 1)
169    ZEND_ARG_INFO(0, result_identifier)
170ZEND_END_ARG_INFO()
171#endif
172
173ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_fetch_row, 0, 0, 1)
174    ZEND_ARG_INFO(0, result)
175    ZEND_ARG_INFO(0, fetch_flags)
176ZEND_END_ARG_INFO()
177
178ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_fetch_assoc, 0, 0, 1)
179    ZEND_ARG_INFO(0, result)
180    ZEND_ARG_INFO(0, fetch_flags)
181ZEND_END_ARG_INFO()
182
183ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_fetch_object, 0, 0, 1)
184    ZEND_ARG_INFO(0, result)
185    ZEND_ARG_INFO(0, fetch_flags)
186ZEND_END_ARG_INFO()
187
188ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_name_result, 0, 0, 2)
189    ZEND_ARG_INFO(0, result)
190    ZEND_ARG_INFO(0, name)
191ZEND_END_ARG_INFO()
192
193ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_free_result, 0, 0, 1)
194    ZEND_ARG_INFO(0, result)
195ZEND_END_ARG_INFO()
196
197ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_prepare, 0, 0, 0)
198    ZEND_ARG_INFO(0, link_identifier)
199    ZEND_ARG_INFO(0, query)
200ZEND_END_ARG_INFO()
201
202ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_execute, 0, 0, 1)
203    ZEND_ARG_INFO(0, query)
204    ZEND_ARG_INFO(0, bind_arg)
205    ZEND_ARG_INFO(0, bind_arg)
206ZEND_END_ARG_INFO()
207
208ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_free_query, 0, 0, 1)
209    ZEND_ARG_INFO(0, query)
210ZEND_END_ARG_INFO()
211
212ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_num_fields, 0, 0, 1)
213    ZEND_ARG_INFO(0, query_result)
214ZEND_END_ARG_INFO()
215
216ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_field_info, 0, 0, 2)
217    ZEND_ARG_INFO(0, query_result)
218    ZEND_ARG_INFO(0, field_number)
219ZEND_END_ARG_INFO()
220
221ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_num_params, 0, 0, 1)
222    ZEND_ARG_INFO(0, query)
223ZEND_END_ARG_INFO()
224
225ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_param_info, 0, 0, 2)
226    ZEND_ARG_INFO(0, query)
227    ZEND_ARG_INFO(0, field_number)
228ZEND_END_ARG_INFO()
229
230ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_add_user, 0, 0, 3)
231    ZEND_ARG_INFO(0, service_handle)
232    ZEND_ARG_INFO(0, user_name)
233    ZEND_ARG_INFO(0, password)
234    ZEND_ARG_INFO(0, first_name)
235    ZEND_ARG_INFO(0, middle_name)
236    ZEND_ARG_INFO(0, last_name)
237ZEND_END_ARG_INFO()
238
239ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_modify_user, 0, 0, 3)
240    ZEND_ARG_INFO(0, service_handle)
241    ZEND_ARG_INFO(0, user_name)
242    ZEND_ARG_INFO(0, password)
243    ZEND_ARG_INFO(0, first_name)
244    ZEND_ARG_INFO(0, middle_name)
245    ZEND_ARG_INFO(0, last_name)
246ZEND_END_ARG_INFO()
247
248ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_delete_user, 0, 0, 3)
249    ZEND_ARG_INFO(0, service_handle)
250    ZEND_ARG_INFO(0, user_name)
251    ZEND_ARG_INFO(0, password)
252    ZEND_ARG_INFO(0, first_name)
253    ZEND_ARG_INFO(0, middle_name)
254    ZEND_ARG_INFO(0, last_name)
255ZEND_END_ARG_INFO()
256
257ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_service_attach, 0, 0, 3)
258    ZEND_ARG_INFO(0, host)
259    ZEND_ARG_INFO(0, dba_username)
260    ZEND_ARG_INFO(0, dba_password)
261ZEND_END_ARG_INFO()
262
263ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_service_detach, 0, 0, 1)
264    ZEND_ARG_INFO(0, service_handle)
265ZEND_END_ARG_INFO()
266
267ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_backup, 0, 0, 3)
268    ZEND_ARG_INFO(0, service_handle)
269    ZEND_ARG_INFO(0, source_db)
270    ZEND_ARG_INFO(0, dest_file)
271    ZEND_ARG_INFO(0, options)
272    ZEND_ARG_INFO(0, verbose)
273ZEND_END_ARG_INFO()
274
275ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_restore, 0, 0, 3)
276    ZEND_ARG_INFO(0, service_handle)
277    ZEND_ARG_INFO(0, source_file)
278    ZEND_ARG_INFO(0, dest_db)
279    ZEND_ARG_INFO(0, options)
280    ZEND_ARG_INFO(0, verbose)
281ZEND_END_ARG_INFO()
282
283ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_maintain_db, 0, 0, 3)
284    ZEND_ARG_INFO(0, service_handle)
285    ZEND_ARG_INFO(0, db)
286    ZEND_ARG_INFO(0, action)
287    ZEND_ARG_INFO(0, argument)
288ZEND_END_ARG_INFO()
289
290ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_db_info, 0, 0, 3)
291    ZEND_ARG_INFO(0, service_handle)
292    ZEND_ARG_INFO(0, db)
293    ZEND_ARG_INFO(0, action)
294    ZEND_ARG_INFO(0, argument)
295ZEND_END_ARG_INFO()
296
297ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_server_info, 0, 0, 2)
298    ZEND_ARG_INFO(0, service_handle)
299    ZEND_ARG_INFO(0, action)
300ZEND_END_ARG_INFO()
301
302ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_wait_event, 0, 0, 1)
303    ZEND_ARG_INFO(0, link_identifier)
304    ZEND_ARG_INFO(0, event)
305    ZEND_ARG_INFO(0, event2)
306ZEND_END_ARG_INFO()
307
308ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_set_event_handler, 0, 0, 2)
309    ZEND_ARG_INFO(0, link_identifier)
310    ZEND_ARG_INFO(0, handler)
311    ZEND_ARG_INFO(0, event)
312    ZEND_ARG_INFO(0, event2)
313ZEND_END_ARG_INFO()
314
315ZEND_BEGIN_ARG_INFO_EX(arginfo_ibase_free_event_handler, 0, 0, 1)
316    ZEND_ARG_INFO(0, event)
317ZEND_END_ARG_INFO()
318/* }}} */
319
320/* {{{ extension definition structures */
321const zend_function_entry ibase_functions[] = {
322    PHP_FE(ibase_connect,       arginfo_ibase_connect)
323    PHP_FE(ibase_pconnect,      arginfo_ibase_pconnect)
324    PHP_FE(ibase_close,         arginfo_ibase_close)
325    PHP_FE(ibase_drop_db,       arginfo_ibase_drop_db)
326    PHP_FE(ibase_query,         arginfo_ibase_query)
327    PHP_FE(ibase_fetch_row,     arginfo_ibase_fetch_row)
328    PHP_FE(ibase_fetch_assoc,   arginfo_ibase_fetch_assoc)
329    PHP_FE(ibase_fetch_object,  arginfo_ibase_fetch_object)
330    PHP_FE(ibase_free_result,   arginfo_ibase_free_result)
331    PHP_FE(ibase_name_result,   arginfo_ibase_name_result)
332    PHP_FE(ibase_prepare,       arginfo_ibase_prepare)
333    PHP_FE(ibase_execute,       arginfo_ibase_execute)
334    PHP_FE(ibase_free_query,    arginfo_ibase_free_query)
335    PHP_FE(ibase_gen_id,        arginfo_ibase_gen_id)
336    PHP_FE(ibase_num_fields,    arginfo_ibase_num_fields)
337    PHP_FE(ibase_num_params,    arginfo_ibase_num_params)
338#if abies_0
339    PHP_FE(ibase_num_rows,      arginfo_ibase_num_rows)
340#endif
341    PHP_FE(ibase_affected_rows, arginfo_ibase_affected_rows)
342    PHP_FE(ibase_field_info,    arginfo_ibase_field_info)
343    PHP_FE(ibase_param_info,    arginfo_ibase_param_info)
344
345    PHP_FE(ibase_trans,         arginfo_ibase_trans)
346    PHP_FE(ibase_commit,        arginfo_ibase_commit)
347    PHP_FE(ibase_rollback,      arginfo_ibase_rollback)
348    PHP_FE(ibase_commit_ret,    arginfo_ibase_commit_ret)
349    PHP_FE(ibase_rollback_ret,  arginfo_ibase_rollback_ret)
350
351    PHP_FE(ibase_blob_info,     arginfo_ibase_blob_info)
352    PHP_FE(ibase_blob_create,   arginfo_ibase_blob_create)
353    PHP_FE(ibase_blob_add,      arginfo_ibase_blob_add)
354    PHP_FE(ibase_blob_cancel,   arginfo_ibase_blob_cancel)
355    PHP_FE(ibase_blob_close,    arginfo_ibase_blob_close)
356    PHP_FE(ibase_blob_open,     arginfo_ibase_blob_open)
357    PHP_FE(ibase_blob_get,      arginfo_ibase_blob_get)
358    PHP_FE(ibase_blob_echo,     arginfo_ibase_blob_echo)
359    PHP_FE(ibase_blob_import,   arginfo_ibase_blob_import)
360    PHP_FE(ibase_errmsg,        arginfo_ibase_errmsg)
361    PHP_FE(ibase_errcode,       arginfo_ibase_errcode)
362
363    PHP_FE(ibase_add_user,      arginfo_ibase_add_user)
364    PHP_FE(ibase_modify_user,   arginfo_ibase_modify_user)
365    PHP_FE(ibase_delete_user,   arginfo_ibase_delete_user)
366
367    PHP_FE(ibase_service_attach, arginfo_ibase_service_attach)
368    PHP_FE(ibase_service_detach, arginfo_ibase_service_detach)
369    PHP_FE(ibase_backup,        arginfo_ibase_backup)
370    PHP_FE(ibase_restore,       arginfo_ibase_restore)
371    PHP_FE(ibase_maintain_db,   arginfo_ibase_maintain_db)
372    PHP_FE(ibase_db_info,       arginfo_ibase_db_info)
373    PHP_FE(ibase_server_info,   arginfo_ibase_server_info)
374
375    PHP_FE(ibase_wait_event,            arginfo_ibase_wait_event)
376    PHP_FE(ibase_set_event_handler,     arginfo_ibase_set_event_handler)
377    PHP_FE(ibase_free_event_handler,    arginfo_ibase_free_event_handler)
378
379    /**
380    * These aliases are provided in order to maintain forward compatibility. As Firebird
381    * and InterBase are developed independently, functionality might be different between
382    * the two branches in future versions.
383    * Firebird users should use the aliases, so future InterBase-specific changes will
384    * not affect their code
385    */
386    PHP_FALIAS(fbird_connect,       ibase_connect,      arginfo_ibase_connect)
387    PHP_FALIAS(fbird_pconnect,      ibase_pconnect,     arginfo_ibase_pconnect)
388    PHP_FALIAS(fbird_close,         ibase_close,        arginfo_ibase_close)
389    PHP_FALIAS(fbird_drop_db,       ibase_drop_db,      arginfo_ibase_drop_db)
390    PHP_FALIAS(fbird_query,         ibase_query,        arginfo_ibase_query)
391    PHP_FALIAS(fbird_fetch_row,     ibase_fetch_row,    arginfo_ibase_fetch_row)
392    PHP_FALIAS(fbird_fetch_assoc,   ibase_fetch_assoc,  arginfo_ibase_fetch_assoc)
393    PHP_FALIAS(fbird_fetch_object,  ibase_fetch_object, arginfo_ibase_fetch_object)
394    PHP_FALIAS(fbird_free_result,   ibase_free_result,  arginfo_ibase_free_result)
395    PHP_FALIAS(fbird_name_result,   ibase_name_result,  arginfo_ibase_name_result)
396    PHP_FALIAS(fbird_prepare,       ibase_prepare,      arginfo_ibase_prepare)
397    PHP_FALIAS(fbird_execute,       ibase_execute,      arginfo_ibase_execute)
398    PHP_FALIAS(fbird_free_query,    ibase_free_query,   arginfo_ibase_free_query)
399    PHP_FALIAS(fbird_gen_id,        ibase_gen_id,       arginfo_ibase_gen_id)
400    PHP_FALIAS(fbird_num_fields,    ibase_num_fields,   arginfo_ibase_num_fields)
401    PHP_FALIAS(fbird_num_params,    ibase_num_params,   arginfo_ibase_num_params)
402#if abies_0
403    PHP_FALIAS(fbird_num_rows,      ibase_num_rows,     arginfo_ibase_num_rows)
404#endif
405    PHP_FALIAS(fbird_affected_rows, ibase_affected_rows, arginfo_ibase_affected_rows)
406    PHP_FALIAS(fbird_field_info,    ibase_field_info,   arginfo_ibase_field_info)
407    PHP_FALIAS(fbird_param_info,    ibase_param_info,   arginfo_ibase_param_info)
408
409    PHP_FALIAS(fbird_trans,         ibase_trans,        arginfo_ibase_trans)
410    PHP_FALIAS(fbird_commit,        ibase_commit,       arginfo_ibase_commit)
411    PHP_FALIAS(fbird_rollback,      ibase_rollback,     arginfo_ibase_rollback)
412    PHP_FALIAS(fbird_commit_ret,    ibase_commit_ret,   arginfo_ibase_commit_ret)
413    PHP_FALIAS(fbird_rollback_ret,  ibase_rollback_ret, arginfo_ibase_rollback_ret)
414
415    PHP_FALIAS(fbird_blob_info,     ibase_blob_info,    arginfo_ibase_blob_info)
416    PHP_FALIAS(fbird_blob_create,   ibase_blob_create,  arginfo_ibase_blob_create)
417    PHP_FALIAS(fbird_blob_add,      ibase_blob_add,     arginfo_ibase_blob_add)
418    PHP_FALIAS(fbird_blob_cancel,   ibase_blob_cancel,  arginfo_ibase_blob_cancel)
419    PHP_FALIAS(fbird_blob_close,    ibase_blob_close,   arginfo_ibase_blob_close)
420    PHP_FALIAS(fbird_blob_open,     ibase_blob_open,    arginfo_ibase_blob_open)
421    PHP_FALIAS(fbird_blob_get,      ibase_blob_get,     arginfo_ibase_blob_get)
422    PHP_FALIAS(fbird_blob_echo,     ibase_blob_echo,    arginfo_ibase_blob_echo)
423    PHP_FALIAS(fbird_blob_import,   ibase_blob_import,  arginfo_ibase_blob_import)
424    PHP_FALIAS(fbird_errmsg,        ibase_errmsg,       arginfo_ibase_errmsg)
425    PHP_FALIAS(fbird_errcode,       ibase_errcode,      arginfo_ibase_errcode)
426
427    PHP_FALIAS(fbird_add_user,      ibase_add_user,     arginfo_ibase_add_user)
428    PHP_FALIAS(fbird_modify_user,   ibase_modify_user,  arginfo_ibase_modify_user)
429    PHP_FALIAS(fbird_delete_user,   ibase_delete_user,  arginfo_ibase_delete_user)
430
431    PHP_FALIAS(fbird_service_attach,    ibase_service_attach, arginfo_ibase_service_attach)
432    PHP_FALIAS(fbird_service_detach,    ibase_service_detach, arginfo_ibase_service_detach)
433    PHP_FALIAS(fbird_backup,        ibase_backup,       arginfo_ibase_backup)
434    PHP_FALIAS(fbird_restore,       ibase_restore,      arginfo_ibase_restore)
435    PHP_FALIAS(fbird_maintain_db,   ibase_maintain_db,  arginfo_ibase_maintain_db)
436    PHP_FALIAS(fbird_db_info,       ibase_db_info,      arginfo_ibase_db_info)
437    PHP_FALIAS(fbird_server_info,   ibase_server_info,  arginfo_ibase_server_info)
438
439    PHP_FALIAS(fbird_wait_event,    ibase_wait_event,   arginfo_ibase_wait_event)
440    PHP_FALIAS(fbird_set_event_handler, ibase_set_event_handler,    arginfo_ibase_set_event_handler)
441    PHP_FALIAS(fbird_free_event_handler,    ibase_free_event_handler, arginfo_ibase_free_event_handler)
442    PHP_FE_END
443};
444
445zend_module_entry ibase_module_entry = {
446    STANDARD_MODULE_HEADER,
447    "interbase",
448    ibase_functions,
449    PHP_MINIT(ibase),
450    PHP_MSHUTDOWN(ibase),
451    NULL,
452    PHP_RSHUTDOWN(ibase),
453    PHP_MINFO(ibase),
454    NO_VERSION_YET,
455    PHP_MODULE_GLOBALS(ibase),
456    PHP_GINIT(ibase),
457    NULL,
458    NULL,
459    STANDARD_MODULE_PROPERTIES_EX
460};
461
462#ifdef COMPILE_DL_INTERBASE
463ZEND_GET_MODULE(ibase)
464#endif
465
466/* True globals, no need for thread safety */
467int le_link, le_plink, le_trans;
468
469/* }}} */
470
471/* error handling ---------------------------- */
472
473/* {{{ proto string ibase_errmsg(void)
474   Return error message */
475PHP_FUNCTION(ibase_errmsg)
476{
477    if (zend_parse_parameters_none() == FAILURE) {
478        return;
479    }
480
481    if (IBG(sql_code) != 0) {
482        RETURN_STRING(IBG(errmsg), 1);
483    }
484
485    RETURN_FALSE;
486}
487/* }}} */
488
489/* {{{ proto int ibase_errcode(void)
490   Return error code */
491PHP_FUNCTION(ibase_errcode)
492{
493    if (zend_parse_parameters_none() == FAILURE) {
494        return;
495    }
496
497    if (IBG(sql_code) != 0) {
498        RETURN_LONG(IBG(sql_code));
499    }
500    RETURN_FALSE;
501}
502/* }}} */
503
504/* print interbase error and save it for ibase_errmsg() */
505void _php_ibase_error(TSRMLS_D) /* {{{ */
506{
507    char *s = IBG(errmsg);
508    ISC_STATUS *statusp = IB_STATUS;
509
510    IBG(sql_code) = isc_sqlcode(IB_STATUS);
511
512    while ((s - IBG(errmsg)) < MAX_ERRMSG - (IBASE_MSGSIZE + 2) && isc_interprete(s, &statusp)) {
513        strcat(IBG(errmsg), " ");
514        s = IBG(errmsg) + strlen(IBG(errmsg));
515    }
516
517    php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", IBG(errmsg));
518}
519/* }}} */
520
521/* print php interbase module error and save it for ibase_errmsg() */
522void _php_ibase_module_error(char *msg TSRMLS_DC, ...) /* {{{ */
523{
524    va_list ap;
525
526#ifdef ZTS
527    va_start(ap, TSRMLS_C);
528#else
529    va_start(ap, msg);
530#endif
531
532    /* vsnprintf NUL terminates the buf and writes at most n-1 chars+NUL */
533    vsnprintf(IBG(errmsg), MAX_ERRMSG, msg, ap);
534    va_end(ap);
535
536    IBG(sql_code) = -999; /* no SQL error */
537
538    php_error_docref(NULL TSRMLS_CC, E_WARNING, "%s", IBG(errmsg));
539}
540/* }}} */
541
542/* {{{ internal macros, functions and structures */
543typedef struct {
544    isc_db_handle *db_ptr;
545    long tpb_len;
546    char *tpb_ptr;
547} ISC_TEB;
548
549/* }}} */
550
551/* Fill ib_link and trans with the correct database link and transaction. */
552void _php_ibase_get_link_trans(INTERNAL_FUNCTION_PARAMETERS, /* {{{ */
553    zval **link_id, ibase_db_link **ib_link, ibase_trans **trans)
554{
555    int type;
556
557    IBDEBUG("Transaction or database link?");
558    if (zend_list_find(Z_LVAL_PP(link_id), &type)) {
559        if (type == le_trans) {
560            /* Transaction resource: make sure it refers to one link only, then
561               fetch it; database link is stored in ib_trans->db_link[]. */
562            IBDEBUG("Type is le_trans");
563            ZEND_FETCH_RESOURCE(*trans, ibase_trans *, link_id, -1, LE_TRANS, le_trans);
564            if ((*trans)->link_cnt > 1) {
565                _php_ibase_module_error("Link id is ambiguous: transaction spans multiple connections."
566                    TSRMLS_CC);
567                return;
568            }
569            *ib_link = (*trans)->db_link[0];
570            return;
571        }
572    }
573    IBDEBUG("Type is le_[p]link or id not found");
574    /* Database link resource, use default transaction. */
575    *trans = NULL;
576    ZEND_FETCH_RESOURCE2(*ib_link, ibase_db_link *, link_id, -1, LE_LINK, le_link, le_plink);
577}
578/* }}} */
579
580/* destructors ---------------------- */
581
582static void _php_ibase_commit_link(ibase_db_link *link TSRMLS_DC) /* {{{ */
583{
584    unsigned short i = 0, j;
585    ibase_tr_list *l;
586    ibase_event *e;
587    IBDEBUG("Checking transactions to close...");
588
589    for (l = link->tr_list; l != NULL; ++i) {
590        ibase_tr_list *p = l;
591        if (p->trans != NULL) {
592            if (i == 0) {
593                if (p->trans->handle != NULL) {
594                    IBDEBUG("Committing default transaction...");
595                    if (isc_commit_transaction(IB_STATUS, &p->trans->handle)) {
596                        _php_ibase_error(TSRMLS_C);
597                    }
598                }
599                efree(p->trans); /* default transaction is not a registered resource: clean up */
600            } else {
601                if (p->trans->handle != NULL) {
602                    /* non-default trans might have been rolled back by other call of this dtor */
603                    IBDEBUG("Rolling back other transactions...");
604                    if (isc_rollback_transaction(IB_STATUS, &p->trans->handle)) {
605                        _php_ibase_error(TSRMLS_C);
606                    }
607                }
608                /* set this link pointer to NULL in the transaction */
609                for (j = 0; j < p->trans->link_cnt; ++j) {
610                    if (p->trans->db_link[j] == link) {
611                        p->trans->db_link[j] = NULL;
612                        break;
613                    }
614                }
615            }
616        }
617        l = l->next;
618        efree(p);
619    }
620    link->tr_list = NULL;
621
622    for (e = link->event_head; e; e = e->event_next) {
623        _php_ibase_free_event(e TSRMLS_CC);
624        e->link = NULL;
625    }
626}
627
628/* }}} */
629
630static void php_ibase_commit_link_rsrc(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
631{
632    ibase_db_link *link = (ibase_db_link *) rsrc->ptr;
633
634    _php_ibase_commit_link(link TSRMLS_CC);
635}
636/* }}} */
637
638static void _php_ibase_close_link(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
639{
640    ibase_db_link *link = (ibase_db_link *) rsrc->ptr;
641
642    _php_ibase_commit_link(link TSRMLS_CC);
643    if (link->handle != NULL) {
644        IBDEBUG("Closing normal link...");
645        isc_detach_database(IB_STATUS, &link->handle);
646    }
647    IBG(num_links)--;
648    efree(link);
649}
650/* }}} */
651
652static void _php_ibase_close_plink(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
653{
654    ibase_db_link *link = (ibase_db_link *) rsrc->ptr;
655
656    _php_ibase_commit_link(link TSRMLS_CC);
657    IBDEBUG("Closing permanent link...");
658    if (link->handle != NULL) {
659        isc_detach_database(IB_STATUS, &link->handle);
660    }
661    IBG(num_persistent)--;
662    IBG(num_links)--;
663    free(link);
664}
665/* }}} */
666
667static void _php_ibase_free_trans(zend_rsrc_list_entry *rsrc TSRMLS_DC) /* {{{ */
668{
669    ibase_trans *trans = (ibase_trans *)rsrc->ptr;
670    unsigned short i;
671
672    IBDEBUG("Cleaning up transaction resource...");
673    if (trans->handle != NULL) {
674        IBDEBUG("Rolling back unhandled transaction...");
675        if (isc_rollback_transaction(IB_STATUS, &trans->handle)) {
676            _php_ibase_error(TSRMLS_C);
677        }
678    }
679
680    /* now remove this transaction from all the connection-transaction lists */
681    for (i = 0; i < trans->link_cnt; ++i) {
682        if (trans->db_link[i] != NULL) {
683            ibase_tr_list **l;
684            for (l = &trans->db_link[i]->tr_list; *l != NULL; l = &(*l)->next) {
685                if ( (*l)->trans == trans) {
686                    ibase_tr_list *p = *l;
687                    *l = p->next;
688                    efree(p);
689                    break;
690                }
691            }
692        }
693    }
694    efree(trans);
695}
696/* }}} */
697
698/* TODO this function should be part of either Zend or PHP API */
699static PHP_INI_DISP(php_ibase_password_displayer_cb)
700{
701    TSRMLS_FETCH();
702
703    if ((type == PHP_INI_DISPLAY_ORIG && ini_entry->orig_value)
704            || (type == PHP_INI_DISPLAY_ACTIVE && ini_entry->value)) {
705        PUTS("********");
706    } else if (!sapi_module.phpinfo_as_text) {
707        PUTS("<i>no value</i>");
708    } else {
709        PUTS("no value");
710    }
711}
712
713/* {{{ startup, shutdown and info functions */
714PHP_INI_BEGIN()
715    PHP_INI_ENTRY_EX("ibase.allow_persistent", "1", PHP_INI_SYSTEM, NULL, zend_ini_boolean_displayer_cb)
716    PHP_INI_ENTRY_EX("ibase.max_persistent", "-1", PHP_INI_SYSTEM, NULL, display_link_numbers)
717    PHP_INI_ENTRY_EX("ibase.max_links", "-1", PHP_INI_SYSTEM, NULL, display_link_numbers)
718    PHP_INI_ENTRY("ibase.default_db", NULL, PHP_INI_SYSTEM, NULL)
719    PHP_INI_ENTRY("ibase.default_user", NULL, PHP_INI_ALL, NULL)
720    PHP_INI_ENTRY_EX("ibase.default_password", NULL, PHP_INI_ALL, NULL, php_ibase_password_displayer_cb)
721    PHP_INI_ENTRY("ibase.default_charset", NULL, PHP_INI_ALL, NULL)
722    PHP_INI_ENTRY("ibase.timestampformat", IB_DEF_DATE_FMT " " IB_DEF_TIME_FMT, PHP_INI_ALL, NULL)
723    PHP_INI_ENTRY("ibase.dateformat", IB_DEF_DATE_FMT, PHP_INI_ALL, NULL)
724    PHP_INI_ENTRY("ibase.timeformat", IB_DEF_TIME_FMT, PHP_INI_ALL, NULL)
725PHP_INI_END()
726
727static PHP_GINIT_FUNCTION(ibase)
728{
729    ibase_globals->num_persistent = ibase_globals->num_links = 0;
730    ibase_globals->sql_code = *ibase_globals->errmsg = 0;
731    ibase_globals->default_link = -1;
732}
733
734PHP_MINIT_FUNCTION(ibase)
735{
736    REGISTER_INI_ENTRIES();
737
738    le_link = zend_register_list_destructors_ex(_php_ibase_close_link, NULL, LE_LINK, module_number);
739    le_plink = zend_register_list_destructors_ex(php_ibase_commit_link_rsrc, _php_ibase_close_plink, LE_PLINK, module_number);
740    le_trans = zend_register_list_destructors_ex(_php_ibase_free_trans, NULL, LE_TRANS, module_number);
741
742    REGISTER_LONG_CONSTANT("IBASE_DEFAULT", PHP_IBASE_DEFAULT, CONST_PERSISTENT);
743    REGISTER_LONG_CONSTANT("IBASE_CREATE", PHP_IBASE_CREATE, CONST_PERSISTENT);
744    REGISTER_LONG_CONSTANT("IBASE_TEXT", PHP_IBASE_FETCH_BLOBS, CONST_PERSISTENT); /* deprecated, for BC only */
745    REGISTER_LONG_CONSTANT("IBASE_FETCH_BLOBS", PHP_IBASE_FETCH_BLOBS, CONST_PERSISTENT);
746    REGISTER_LONG_CONSTANT("IBASE_FETCH_ARRAYS", PHP_IBASE_FETCH_ARRAYS, CONST_PERSISTENT);
747    REGISTER_LONG_CONSTANT("IBASE_UNIXTIME", PHP_IBASE_UNIXTIME, CONST_PERSISTENT);
748
749    /* transactions */
750    REGISTER_LONG_CONSTANT("IBASE_WRITE", PHP_IBASE_WRITE, CONST_PERSISTENT);
751    REGISTER_LONG_CONSTANT("IBASE_READ", PHP_IBASE_READ, CONST_PERSISTENT);
752    REGISTER_LONG_CONSTANT("IBASE_COMMITTED", PHP_IBASE_COMMITTED, CONST_PERSISTENT);
753    REGISTER_LONG_CONSTANT("IBASE_CONSISTENCY", PHP_IBASE_CONSISTENCY, CONST_PERSISTENT);
754    REGISTER_LONG_CONSTANT("IBASE_CONCURRENCY", PHP_IBASE_CONCURRENCY, CONST_PERSISTENT);
755    REGISTER_LONG_CONSTANT("IBASE_REC_VERSION", PHP_IBASE_REC_VERSION, CONST_PERSISTENT);
756    REGISTER_LONG_CONSTANT("IBASE_REC_NO_VERSION", PHP_IBASE_REC_NO_VERSION, CONST_PERSISTENT);
757    REGISTER_LONG_CONSTANT("IBASE_NOWAIT", PHP_IBASE_NOWAIT, CONST_PERSISTENT);
758    REGISTER_LONG_CONSTANT("IBASE_WAIT", PHP_IBASE_WAIT, CONST_PERSISTENT);
759
760    php_ibase_query_minit(INIT_FUNC_ARGS_PASSTHRU);
761    php_ibase_blobs_minit(INIT_FUNC_ARGS_PASSTHRU);
762    php_ibase_events_minit(INIT_FUNC_ARGS_PASSTHRU);
763    php_ibase_service_minit(INIT_FUNC_ARGS_PASSTHRU);
764
765    return SUCCESS;
766}
767
768PHP_MSHUTDOWN_FUNCTION(ibase)
769{
770#ifndef PHP_WIN32
771    /**
772     * When the Interbase client API library libgds.so is first loaded, it registers a call to
773     * gds__cleanup() with atexit(), in order to clean up after itself when the process exits.
774     * This means that the library is called at process shutdown, and cannot be unloaded beforehand.
775     * PHP tries to unload modules after every request [dl()'ed modules], and right before the
776     * process shuts down [modules loaded from php.ini]. This results in a segfault for this module.
777     * By NULLing the dlopen() handle in the module entry, Zend omits the call to dlclose(),
778     * ensuring that the module will remain present until the process exits. However, the functions
779     * and classes exported by the module will not be available until the module is 'reloaded'.
780     * When reloaded, dlopen() will return the handle of the already loaded module. The module will
781     * be unloaded automatically when the process exits.
782     */
783    zend_module_entry *ibase_entry;
784    if (SUCCESS == zend_hash_find(&module_registry, ibase_module_entry.name,
785            strlen(ibase_module_entry.name) +1, (void*) &ibase_entry)) {
786        ibase_entry->handle = NULL;
787    }
788#endif
789    UNREGISTER_INI_ENTRIES();
790    return SUCCESS;
791}
792
793PHP_RSHUTDOWN_FUNCTION(ibase)
794{
795    IBG(num_links) = IBG(num_persistent);
796    IBG(default_link)= -1;
797
798    RESET_ERRMSG;
799
800    return SUCCESS;
801}
802
803PHP_MINFO_FUNCTION(ibase)
804{
805    char tmp[64], *s;
806
807    php_info_print_table_start();
808    php_info_print_table_row(2, "Firebird/InterBase Support",
809#ifdef COMPILE_DL_INTERBASE
810        "dynamic");
811#else
812        "static");
813#endif
814
815#ifdef FB_API_VER
816    snprintf( (s = tmp), sizeof(tmp), "Firebird API version %d", FB_API_VER);
817#elif (SQLDA_CURRENT_VERSION > 1)
818    s =  "Interbase 7.0 and up";
819#elif !defined(DSC_null)
820    s = "Interbase 6";
821#else
822    s = "Firebird 1.0";
823#endif
824    php_info_print_table_row(2, "Compile-time Client Library Version", s);
825
826#if defined(__GNUC__) || defined(PHP_WIN32)
827    do {
828        info_func_t info_func = NULL;
829#ifdef __GNUC__
830        info_func = (info_func_t)dlsym(RTLD_DEFAULT, "isc_get_client_version");
831#else
832        HMODULE l = GetModuleHandle("fbclient");
833
834        if (!l && !(l = GetModuleHandle("gds32"))) {
835            break;
836        }
837        info_func = (info_func_t)GetProcAddress(l, "isc_get_client_version");
838#endif
839        if (info_func) {
840            info_func(s = tmp);
841        } else {
842            s = "Firebird 1.0/Interbase 6";
843        }
844        php_info_print_table_row(2, "Run-time Client Library Version", s);
845    } while (0);
846#endif
847    php_info_print_table_end();
848
849    DISPLAY_INI_ENTRIES();
850
851}
852/* }}} */
853
854enum connect_args { DB = 0, USER = 1, PASS = 2, CSET = 3, ROLE = 4, BUF = 0, DLECT = 1, SYNC = 2 };
855
856static char const dpb_args[] = {
857    0, isc_dpb_user_name, isc_dpb_password, isc_dpb_lc_ctype, isc_dpb_sql_role_name, 0
858};
859
860int _php_ibase_attach_db(char **args, int *len, long *largs, isc_db_handle *db TSRMLS_DC)
861{
862    short i, dpb_len, buf_len = 257-2;  /* version byte at the front, and a null at the end */
863    char dpb_buffer[257] = { isc_dpb_version1, 0 }, *dpb;
864
865    dpb = dpb_buffer + 1;
866
867    for (i = 0; i < sizeof(dpb_args); ++i) {
868        if (dpb_args[i] && args[i] && len[i] && buf_len > 0) {
869            dpb_len = slprintf(dpb, buf_len, "%c%c%s", dpb_args[i],(unsigned char)len[i],args[i]);
870            dpb += dpb_len;
871            buf_len -= dpb_len;
872        }
873    }
874    if (largs[BUF] && buf_len > 0) {
875        dpb_len = slprintf(dpb, buf_len, "%c\2%c%c", isc_dpb_num_buffers,
876            (char)(largs[BUF] >> 8), (char)(largs[BUF] & 0xff));
877        dpb += dpb_len;
878        buf_len -= dpb_len;
879    }
880    if (largs[SYNC] && buf_len > 0) {
881        dpb_len = slprintf(dpb, buf_len, "%c\1%c", isc_dpb_force_write, largs[SYNC] == isc_spb_prp_wm_sync ? 1 : 0);
882        dpb += dpb_len;
883        buf_len -= dpb_len;
884    }
885    if (isc_attach_database(IB_STATUS, (short)len[DB], args[DB], db, (short)(dpb-dpb_buffer), dpb_buffer)) {
886        _php_ibase_error(TSRMLS_C);
887        return FAILURE;
888    }
889    return SUCCESS;
890}
891/* }}} */
892
893static void _php_ibase_connect(INTERNAL_FUNCTION_PARAMETERS, int persistent) /* {{{ */
894{
895    char *c, hash[16], *args[] = { NULL, NULL, NULL, NULL, NULL };
896    int i, len[] = { 0, 0, 0, 0, 0 };
897    long largs[] = { 0, 0, 0 };
898    PHP_MD5_CTX hash_context;
899    zend_rsrc_list_entry new_index_ptr, *le;
900    isc_db_handle db_handle = NULL;
901    ibase_db_link *ib_link;
902
903    RESET_ERRMSG;
904
905    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|ssssllsl",
906            &args[DB], &len[DB], &args[USER], &len[USER], &args[PASS], &len[PASS],
907            &args[CSET], &len[CSET], &largs[BUF], &largs[DLECT], &args[ROLE], &len[ROLE],
908            &largs[SYNC])) {
909        RETURN_FALSE;
910    }
911
912    /* restrict to the server/db in the .ini if in safe mode */
913    if ((!len[DB] || PG(sql_safe_mode)) && (c = INI_STR("ibase.default_db"))) {
914        args[DB] = c;
915        len[DB] = strlen(c);
916    }
917    if (!len[USER] && (c = INI_STR("ibase.default_user"))) {
918        args[USER] = c;
919        len[USER] = strlen(c);
920    }
921    if (!len[PASS] && (c = INI_STR("ibase.default_password"))) {
922        args[PASS] = c;
923        len[PASS] = strlen(c);
924    }
925    if (!len[CSET] && (c = INI_STR("ibase.default_charset"))) {
926        args[CSET] = c;
927        len[CSET] = strlen(c);
928    }
929
930    /* don't want usernames and passwords floating around */
931    PHP_MD5Init(&hash_context);
932    for (i = 0; i < sizeof(args)/sizeof(char*); ++i) {
933        PHP_MD5Update(&hash_context,args[i],len[i]);
934    }
935    for (i = 0; i < sizeof(largs)/sizeof(long); ++i) {
936        PHP_MD5Update(&hash_context,(char*)&largs[i],sizeof(long));
937    }
938    PHP_MD5Final(hash, &hash_context);
939
940    /* try to reuse a connection */
941    if (SUCCESS == zend_hash_find(&EG(regular_list), hash, sizeof(hash), (void *) &le)) {
942        long xlink;
943        int type;
944
945        if (Z_TYPE_P(le) != le_index_ptr) {
946            RETURN_FALSE;
947        }
948
949        xlink = (long) le->ptr;
950        if (zend_list_find(xlink, &type) && ((!persistent && type == le_link) || type == le_plink)) {
951            zend_list_addref(xlink);
952            RETURN_RESOURCE(IBG(default_link) = xlink);
953        } else {
954            zend_hash_del(&EG(regular_list), hash, sizeof(hash));
955        }
956    }
957
958    /* ... or a persistent one */
959    switch (zend_hash_find(&EG(persistent_list), hash, sizeof(hash), (void *) &le)) {
960        long l;
961
962        static char info[] = { isc_info_base_level, isc_info_end };
963        char result[8];
964        ISC_STATUS status[20];
965
966    case SUCCESS:
967
968        if (Z_TYPE_P(le) != le_plink) {
969            RETURN_FALSE;
970        }
971        /* check if connection has timed out */
972        ib_link = (ibase_db_link *) le->ptr;
973        if (!isc_database_info(status, &ib_link->handle, sizeof(info), info, sizeof(result), result)) {
974            ZEND_REGISTER_RESOURCE(return_value, ib_link, le_plink);
975            break;
976        }
977        zend_hash_del(&EG(persistent_list), hash, sizeof(hash));
978
979    default:
980
981        /* no link found, so we have to open one */
982
983        if ((l = INI_INT("ibase.max_links")) != -1 && IBG(num_links) >= l) {
984            _php_ibase_module_error("Too many open links (%ld)" TSRMLS_CC, IBG(num_links));
985            RETURN_FALSE;
986        }
987
988        /* create the ib_link */
989        if (FAILURE == _php_ibase_attach_db(args, len, largs, &db_handle TSRMLS_CC)) {
990            RETURN_FALSE;
991        }
992
993        /* use non-persistent if allowed number of persistent links is exceeded */
994        if (!persistent || ((l = INI_INT("ibase.max_persistent") != -1) && IBG(num_persistent) >= l)) {
995            ib_link = (ibase_db_link *) emalloc(sizeof(ibase_db_link));
996            ZEND_REGISTER_RESOURCE(return_value, ib_link, le_link);
997        } else {
998            zend_rsrc_list_entry new_le;
999
1000            ib_link = (ibase_db_link *) malloc(sizeof(ibase_db_link));
1001            if (!ib_link) {
1002                RETURN_FALSE;
1003            }
1004
1005            /* hash it up */
1006            Z_TYPE(new_le) = le_plink;
1007            new_le.ptr = ib_link;
1008            if (FAILURE == zend_hash_update(&EG(persistent_list), hash, sizeof(hash),
1009                    (void *) &new_le, sizeof(zend_rsrc_list_entry), NULL)) {
1010                free(ib_link);
1011                RETURN_FALSE;
1012            }
1013            ZEND_REGISTER_RESOURCE(return_value, ib_link, le_plink);
1014            ++IBG(num_persistent);
1015        }
1016        ib_link->handle = db_handle;
1017        ib_link->dialect = largs[DLECT] ? (unsigned short)largs[DLECT] : SQL_DIALECT_CURRENT;
1018        ib_link->tr_list = NULL;
1019        ib_link->event_head = NULL;
1020
1021        ++IBG(num_links);
1022    }
1023
1024    /* add it to the hash */
1025    new_index_ptr.ptr = (void *) Z_LVAL_P(return_value);
1026    Z_TYPE(new_index_ptr) = le_index_ptr;
1027    if (FAILURE == zend_hash_update(&EG(regular_list), hash, sizeof(hash),
1028            (void *) &new_index_ptr, sizeof(zend_rsrc_list_entry), NULL)) {
1029        RETURN_FALSE;
1030    }
1031    zend_list_addref(IBG(default_link) = Z_LVAL_P(return_value));
1032}
1033/* }}} */
1034
1035/* {{{ proto resource ibase_connect(string database [, string username [, string password [, string charset [, int buffers [, int dialect [, string role]]]]]])
1036   Open a connection to an InterBase database */
1037PHP_FUNCTION(ibase_connect)
1038{
1039    _php_ibase_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
1040}
1041/* }}} */
1042
1043/* {{{ proto resource ibase_pconnect(string database [, string username [, string password [, string charset [, int buffers [, int dialect [, string role]]]]]])
1044   Open a persistent connection to an InterBase database */
1045PHP_FUNCTION(ibase_pconnect)
1046{
1047    _php_ibase_connect(INTERNAL_FUNCTION_PARAM_PASSTHRU, INI_INT("ibase.allow_persistent"));
1048}
1049/* }}} */
1050
1051/* {{{ proto bool ibase_close([resource link_identifier])
1052   Close an InterBase connection */
1053PHP_FUNCTION(ibase_close)
1054{
1055    zval *link_arg = NULL;
1056    ibase_db_link *ib_link;
1057    int link_id;
1058
1059    RESET_ERRMSG;
1060
1061    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &link_arg) == FAILURE) {
1062        return;
1063    }
1064
1065    if (ZEND_NUM_ARGS() == 0) {
1066        link_id = IBG(default_link);
1067        CHECK_LINK(link_id);
1068        IBG(default_link) = -1;
1069    } else {
1070        link_id = Z_RESVAL_P(link_arg);
1071    }
1072
1073    ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, &link_arg, link_id, LE_LINK, le_link, le_plink);
1074    zend_list_delete(link_id);
1075    RETURN_TRUE;
1076}
1077/* }}} */
1078
1079/* {{{ proto bool ibase_drop_db([resource link_identifier])
1080   Drop an InterBase database */
1081PHP_FUNCTION(ibase_drop_db)
1082{
1083    zval *link_arg = NULL;
1084    ibase_db_link *ib_link;
1085    ibase_tr_list *l;
1086    int link_id;
1087
1088    RESET_ERRMSG;
1089
1090    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &link_arg) == FAILURE) {
1091        return;
1092    }
1093
1094    if (ZEND_NUM_ARGS() == 0) {
1095        link_id = IBG(default_link);
1096        CHECK_LINK(link_id);
1097        IBG(default_link) = -1;
1098    } else {
1099        link_id = Z_RESVAL_P(link_arg);
1100    }
1101
1102    ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, &link_arg, link_id, LE_LINK, le_link, le_plink);
1103
1104    if (isc_drop_database(IB_STATUS, &ib_link->handle)) {
1105        _php_ibase_error(TSRMLS_C);
1106        RETURN_FALSE;
1107    }
1108
1109    /* isc_drop_database() doesn't invalidate the transaction handles */
1110    for (l = ib_link->tr_list; l != NULL; l = l->next) {
1111        if (l->trans != NULL) l->trans->handle = NULL;
1112    }
1113
1114    zend_list_delete(link_id);
1115    RETURN_TRUE;
1116}
1117/* }}} */
1118
1119/* {{{ proto resource ibase_trans([int trans_args [, resource link_identifier [, ... ], int trans_args [, resource link_identifier [, ... ]] [, ...]]])
1120   Start a transaction over one or several databases */
1121
1122#define TPB_MAX_SIZE (8*sizeof(char))
1123
1124PHP_FUNCTION(ibase_trans)
1125{
1126    unsigned short i, link_cnt = 0, tpb_len = 0;
1127    int argn;
1128    char last_tpb[TPB_MAX_SIZE];
1129    ibase_db_link **ib_link = NULL;
1130    ibase_trans *ib_trans;
1131    isc_tr_handle tr_handle = NULL;
1132    ISC_STATUS result;
1133
1134    RESET_ERRMSG;
1135
1136    argn = ZEND_NUM_ARGS();
1137
1138    /* (1+argn) is an upper bound for the number of links this trans connects to */
1139    ib_link = (ibase_db_link **) safe_emalloc(sizeof(ibase_db_link *),1+argn,0);
1140
1141    if (argn > 0) {
1142        long trans_argl = 0;
1143        char *tpb;
1144        ISC_TEB *teb;
1145        zval ***args = NULL;
1146
1147        if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "+", &args, &argn) == FAILURE) {
1148            efree(args);
1149            efree(ib_link);
1150            RETURN_FALSE;
1151        }
1152
1153        teb = (ISC_TEB *) safe_emalloc(sizeof(ISC_TEB),argn,0);
1154        tpb = (char *) safe_emalloc(TPB_MAX_SIZE,argn,0);
1155
1156        /* enumerate all the arguments: assume every non-resource argument
1157           specifies modifiers for the link ids that follow it */
1158        for (i = 0; i < argn; ++i) {
1159
1160            if (Z_TYPE_PP(args[i]) == IS_RESOURCE) {
1161
1162                if (!ZEND_FETCH_RESOURCE2_NO_RETURN(ib_link[link_cnt], ibase_db_link *, args[i], -1, LE_LINK, le_link, le_plink)) {
1163                    efree(teb);
1164                    efree(tpb);
1165                    efree(ib_link);
1166                    efree(args);
1167                    RETURN_FALSE;
1168                }
1169
1170                /* copy the most recent modifier string into tbp[] */
1171                memcpy(&tpb[TPB_MAX_SIZE * link_cnt], last_tpb, TPB_MAX_SIZE);
1172
1173                /* add a database handle to the TEB with the most recently specified set of modifiers */
1174                teb[link_cnt].db_ptr = &ib_link[link_cnt]->handle;
1175                teb[link_cnt].tpb_len = tpb_len;
1176                teb[link_cnt].tpb_ptr = &tpb[TPB_MAX_SIZE * link_cnt];
1177
1178                ++link_cnt;
1179
1180            } else {
1181
1182                tpb_len = 0;
1183
1184                convert_to_long_ex(args[i]);
1185                trans_argl = Z_LVAL_PP(args[i]);
1186
1187                if (trans_argl != PHP_IBASE_DEFAULT) {
1188                    last_tpb[tpb_len++] = isc_tpb_version3;
1189
1190                    /* access mode */
1191                    if (PHP_IBASE_READ == (trans_argl & PHP_IBASE_READ)) {
1192                        last_tpb[tpb_len++] = isc_tpb_read;
1193                    } else if (PHP_IBASE_WRITE == (trans_argl & PHP_IBASE_WRITE)) {
1194                        last_tpb[tpb_len++] = isc_tpb_write;
1195                    }
1196
1197                    /* isolation level */
1198                    if (PHP_IBASE_COMMITTED == (trans_argl & PHP_IBASE_COMMITTED)) {
1199                        last_tpb[tpb_len++] = isc_tpb_read_committed;
1200                        if (PHP_IBASE_REC_VERSION == (trans_argl & PHP_IBASE_REC_VERSION)) {
1201                            last_tpb[tpb_len++] = isc_tpb_rec_version;
1202                        } else if (PHP_IBASE_REC_NO_VERSION == (trans_argl & PHP_IBASE_REC_NO_VERSION)) {
1203                            last_tpb[tpb_len++] = isc_tpb_no_rec_version;
1204                        }
1205                    } else if (PHP_IBASE_CONSISTENCY == (trans_argl & PHP_IBASE_CONSISTENCY)) {
1206                        last_tpb[tpb_len++] = isc_tpb_consistency;
1207                    } else if (PHP_IBASE_CONCURRENCY == (trans_argl & PHP_IBASE_CONCURRENCY)) {
1208                        last_tpb[tpb_len++] = isc_tpb_concurrency;
1209                    }
1210
1211                    /* lock resolution */
1212                    if (PHP_IBASE_NOWAIT == (trans_argl & PHP_IBASE_NOWAIT)) {
1213                        last_tpb[tpb_len++] = isc_tpb_nowait;
1214                    } else if (PHP_IBASE_WAIT == (trans_argl & PHP_IBASE_WAIT)) {
1215                        last_tpb[tpb_len++] = isc_tpb_wait;
1216                    }
1217                }
1218            }
1219        }
1220
1221        if (link_cnt > 0) {
1222            result = isc_start_multiple(IB_STATUS, &tr_handle, link_cnt, teb);
1223        }
1224
1225        efree(args);
1226        efree(tpb);
1227        efree(teb);
1228    }
1229
1230    if (link_cnt == 0) {
1231        link_cnt = 1;
1232        if (!ZEND_FETCH_RESOURCE2_NO_RETURN(ib_link[0], ibase_db_link *, NULL, IBG(default_link), LE_LINK, le_link, le_plink)) {
1233            efree(ib_link);
1234            RETURN_FALSE;
1235        }
1236        result = isc_start_transaction(IB_STATUS, &tr_handle, 1, &ib_link[0]->handle, tpb_len, last_tpb);
1237    }
1238
1239    /* start the transaction */
1240    if (result) {
1241        _php_ibase_error(TSRMLS_C);
1242        efree(ib_link);
1243        RETURN_FALSE;
1244    }
1245
1246    /* register the transaction in our own data structures */
1247    ib_trans = (ibase_trans *) safe_emalloc(link_cnt-1, sizeof(ibase_db_link *), sizeof(ibase_trans));
1248    ib_trans->handle = tr_handle;
1249    ib_trans->link_cnt = link_cnt;
1250    ib_trans->affected_rows = 0;
1251    for (i = 0; i < link_cnt; ++i) {
1252        ibase_tr_list **l;
1253        ib_trans->db_link[i] = ib_link[i];
1254
1255        /* the first item in the connection-transaction list is reserved for the default transaction */
1256        if (ib_link[i]->tr_list == NULL) {
1257            ib_link[i]->tr_list = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
1258            ib_link[i]->tr_list->trans = NULL;
1259            ib_link[i]->tr_list->next = NULL;
1260        }
1261
1262        /* link the transaction into the connection-transaction list */
1263        for (l = &ib_link[i]->tr_list; *l != NULL; l = &(*l)->next);
1264        *l = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
1265        (*l)->trans = ib_trans;
1266        (*l)->next = NULL;
1267    }
1268    efree(ib_link);
1269    ZEND_REGISTER_RESOURCE(return_value, ib_trans, le_trans);
1270}
1271/* }}} */
1272
1273int _php_ibase_def_trans(ibase_db_link *ib_link, ibase_trans **trans TSRMLS_DC) /* {{{ */
1274{
1275    if (ib_link == NULL) {
1276        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid database link");
1277        return FAILURE;
1278    }
1279
1280    /* the first item in the connection-transaction list is reserved for the default transaction */
1281    if (ib_link->tr_list == NULL) {
1282        ib_link->tr_list = (ibase_tr_list *) emalloc(sizeof(ibase_tr_list));
1283        ib_link->tr_list->trans = NULL;
1284        ib_link->tr_list->next = NULL;
1285    }
1286
1287    if (*trans == NULL) {
1288        ibase_trans *tr = ib_link->tr_list->trans;
1289
1290        if (tr == NULL) {
1291            tr = (ibase_trans *) emalloc(sizeof(ibase_trans));
1292            tr->handle = NULL;
1293            tr->link_cnt = 1;
1294            tr->affected_rows = 0;
1295            tr->db_link[0] = ib_link;
1296            ib_link->tr_list->trans = tr;
1297        }
1298        if (tr->handle == NULL) {
1299            if (isc_start_transaction(IB_STATUS, &tr->handle, 1, &ib_link->handle, 0, NULL)) {
1300                _php_ibase_error(TSRMLS_C);
1301                return FAILURE;
1302            }
1303        }
1304        *trans = tr;
1305    }
1306    return SUCCESS;
1307}
1308/* }}} */
1309
1310static void _php_ibase_trans_end(INTERNAL_FUNCTION_PARAMETERS, int commit) /* {{{ */
1311{
1312    ibase_trans *trans = NULL;
1313    int res_id = 0;
1314    ISC_STATUS result;
1315    ibase_db_link *ib_link;
1316    zval *arg = NULL;
1317    int type;
1318
1319    RESET_ERRMSG;
1320
1321    if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|r", &arg) == FAILURE) {
1322        return;
1323    }
1324
1325    if (ZEND_NUM_ARGS() == 0) {
1326        ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, NULL, IBG(default_link), LE_LINK, le_link, le_plink);
1327        if (ib_link->tr_list == NULL || ib_link->tr_list->trans == NULL) {
1328            /* this link doesn't have a default transaction */
1329            _php_ibase_module_error("Default link has no default transaction" TSRMLS_CC);
1330            RETURN_FALSE;
1331        }
1332        trans = ib_link->tr_list->trans;
1333    } else {
1334        /* one id was passed, could be db or trans id */
1335        if (zend_list_find(Z_RESVAL_P(arg), &type) && type == le_trans) {
1336            ZEND_FETCH_RESOURCE(trans, ibase_trans *, &arg, -1, LE_TRANS, le_trans);
1337            res_id = Z_RESVAL_P(arg);
1338        } else {
1339            ZEND_FETCH_RESOURCE2(ib_link, ibase_db_link *, &arg, -1, LE_LINK, le_link, le_plink);
1340
1341            if (ib_link->tr_list == NULL || ib_link->tr_list->trans == NULL) {
1342                /* this link doesn't have a default transaction */
1343                _php_ibase_module_error("Link has no default transaction" TSRMLS_CC);
1344                RETURN_FALSE;
1345            }
1346            trans = ib_link->tr_list->trans;
1347        }
1348    }
1349
1350    switch (commit) {
1351        default: /* == case ROLLBACK: */
1352            result = isc_rollback_transaction(IB_STATUS, &trans->handle);
1353            break;
1354        case COMMIT:
1355            result = isc_commit_transaction(IB_STATUS, &trans->handle);
1356            break;
1357        case (ROLLBACK | RETAIN):
1358            result = isc_rollback_retaining(IB_STATUS, &trans->handle);
1359            break;
1360        case (COMMIT | RETAIN):
1361            result = isc_commit_retaining(IB_STATUS, &trans->handle);
1362            break;
1363    }
1364
1365    if (result) {
1366        _php_ibase_error(TSRMLS_C);
1367        RETURN_FALSE;
1368    }
1369
1370    /* Don't try to destroy implicitly opened transaction from list... */
1371    if ((commit & RETAIN) == 0 && res_id != 0) {
1372        zend_list_delete(res_id);
1373    }
1374    RETURN_TRUE;
1375}
1376/* }}} */
1377
1378/* {{{ proto bool ibase_commit( resource link_identifier )
1379   Commit transaction */
1380PHP_FUNCTION(ibase_commit)
1381{
1382    _php_ibase_trans_end(INTERNAL_FUNCTION_PARAM_PASSTHRU, COMMIT);
1383}
1384/* }}} */
1385
1386/* {{{ proto bool ibase_rollback( resource link_identifier )
1387   Rollback transaction */
1388PHP_FUNCTION(ibase_rollback)
1389{
1390    _php_ibase_trans_end(INTERNAL_FUNCTION_PARAM_PASSTHRU, ROLLBACK);
1391}
1392/* }}} */
1393
1394/* {{{ proto bool ibase_commit_ret( resource link_identifier )
1395   Commit transaction and retain the transaction context */
1396PHP_FUNCTION(ibase_commit_ret)
1397{
1398    _php_ibase_trans_end(INTERNAL_FUNCTION_PARAM_PASSTHRU, COMMIT | RETAIN);
1399}
1400/* }}} */
1401
1402/* {{{ proto bool ibase_rollback_ret( resource link_identifier )
1403   Rollback transaction and retain the transaction context */
1404PHP_FUNCTION(ibase_rollback_ret)
1405{
1406    _php_ibase_trans_end(INTERNAL_FUNCTION_PARAM_PASSTHRU, ROLLBACK | RETAIN);
1407}
1408/* }}} */
1409
1410/* {{{ proto int ibase_gen_id(string generator [, int increment [, resource link_identifier ]])
1411   Increments the named generator and returns its new value */
1412PHP_FUNCTION(ibase_gen_id)
1413{
1414    zval *link = NULL;
1415    char query[128], *generator;
1416    int gen_len;
1417    long inc = 1;
1418    ibase_db_link *ib_link;
1419    ibase_trans *trans = NULL;
1420    XSQLDA out_sqlda;
1421    ISC_INT64 result;
1422
1423    RESET_ERRMSG;
1424
1425    if (FAILURE == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|lr", &generator, &gen_len,
1426            &inc, &link)) {
1427        RETURN_FALSE;
1428    }
1429
1430    if (gen_len > 31) {
1431        php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid generator name");
1432        RETURN_FALSE;
1433    }
1434
1435    PHP_IBASE_LINK_TRANS(link, ib_link, trans);
1436
1437    snprintf(query, sizeof(query), "SELECT GEN_ID(%s,%ld) FROM rdb$database", generator, inc);
1438
1439    /* allocate a minimal descriptor area */
1440    out_sqlda.sqln = out_sqlda.sqld = 1;
1441    out_sqlda.version = SQLDA_CURRENT_VERSION;
1442
1443    /* allocate the field for the result */
1444    out_sqlda.sqlvar[0].sqltype = SQL_INT64;
1445    out_sqlda.sqlvar[0].sqlscale = 0;
1446    out_sqlda.sqlvar[0].sqllen = sizeof(result);
1447    out_sqlda.sqlvar[0].sqldata = (void*) &result;
1448
1449    /* execute the query */
1450    if (isc_dsql_exec_immed2(IB_STATUS, &ib_link->handle, &trans->handle, 0, query,
1451            SQL_DIALECT_CURRENT, NULL, &out_sqlda)) {
1452        _php_ibase_error(TSRMLS_C);
1453        RETURN_FALSE;
1454    }
1455
1456    /* don't return the generator value as a string unless it doesn't fit in a long */
1457#if SIZEOF_LONG < 8
1458    if (result < LONG_MIN || result > LONG_MAX) {
1459        char *res;
1460        int l;
1461
1462        l = spprintf(&res, 0, "%" LL_MASK "d", result);
1463        RETURN_STRINGL(res, l, 0);
1464    }
1465#endif
1466    RETURN_LONG((long)result);
1467}
1468
1469/* }}} */
1470
1471#endif /* HAVE_IBASE */
1472
1473/*
1474 * Local variables:
1475 * tab-width: 4
1476 * c-basic-offset: 4
1477 * End:
1478 * vim600: sw=4 ts=4 fdm=marker
1479 * vim<600: sw=4 ts=4
1480 */
1481