1 /*
2 +----------------------------------------------------------------------+
3 | Copyright (c) The PHP Group |
4 +----------------------------------------------------------------------+
5 | This source file is subject to version 3.01 of the PHP license, |
6 | that is bundled with this package in the file LICENSE, and is |
7 | available through the world-wide-web at the following url: |
8 | https://www.php.net/license/3_01.txt |
9 | If you did not receive a copy of the PHP license and are unable to |
10 | obtain it through the world-wide-web, please send a note to |
11 | license@php.net so we can mail you a copy immediately. |
12 +----------------------------------------------------------------------+
13 | Author: Wez Furlong <wez@php.net> |
14 +----------------------------------------------------------------------+
15 */
16
17 #ifdef HAVE_CONFIG_H
18 #include <config.h>
19 #endif
20
21 #include "php.h"
22 #include "php_ini.h"
23 #include "ext/standard/info.h"
24 #include "ext/pdo/php_pdo.h"
25 #include "ext/pdo/php_pdo_driver.h"
26 #include "php_pdo_odbc.h"
27 #include "php_pdo_odbc_int.h"
28 #include "pdo_odbc_arginfo.h"
29
30 static zend_class_entry *pdo_odbc_ce;
31
32 /* {{{ pdo_odbc_deps[] */
33 static const zend_module_dep pdo_odbc_deps[] = {
34 ZEND_MOD_REQUIRED("pdo")
35 ZEND_MOD_END
36 };
37 /* }}} */
38
39 /* {{{ pdo_odbc_module_entry */
40 zend_module_entry pdo_odbc_module_entry = {
41 STANDARD_MODULE_HEADER_EX, NULL,
42 pdo_odbc_deps,
43 "PDO_ODBC",
44 NULL,
45 PHP_MINIT(pdo_odbc),
46 PHP_MSHUTDOWN(pdo_odbc),
47 NULL,
48 NULL,
49 PHP_MINFO(pdo_odbc),
50 PHP_PDO_ODBC_VERSION,
51 STANDARD_MODULE_PROPERTIES
52 };
53 /* }}} */
54
55 #ifdef COMPILE_DL_PDO_ODBC
56 ZEND_GET_MODULE(pdo_odbc)
57 #endif
58
59 #ifdef SQL_ATTR_CONNECTION_POOLING
60 zend_ulong pdo_odbc_pool_on = SQL_CP_OFF;
61 zend_ulong pdo_odbc_pool_mode = SQL_CP_ONE_PER_HENV;
62 #endif
63
64 /* {{{ PHP_MINIT_FUNCTION */
PHP_MINIT_FUNCTION(pdo_odbc)65 PHP_MINIT_FUNCTION(pdo_odbc)
66 {
67 #ifdef SQL_ATTR_CONNECTION_POOLING
68 char *pooling_val = NULL;
69 #endif
70
71 if (FAILURE == php_pdo_register_driver(&pdo_odbc_driver)) {
72 return FAILURE;
73 }
74
75 #ifdef SQL_ATTR_CONNECTION_POOLING
76 /* ugh, we don't really like .ini stuff in PDO, but since ODBC connection
77 * pooling is process wide, we can't set it from within the scope of a
78 * request without affecting others, which goes against our isolated request
79 * policy. So, we use cfg_get_string here to check it this once.
80 * */
81 if (FAILURE == cfg_get_string("pdo_odbc.connection_pooling", &pooling_val) || pooling_val == NULL) {
82 pooling_val = "strict";
83 }
84 if (strcasecmp(pooling_val, "strict") == 0 || strcmp(pooling_val, "1") == 0) {
85 pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
86 pdo_odbc_pool_mode = SQL_CP_STRICT_MATCH;
87 } else if (strcasecmp(pooling_val, "relaxed") == 0) {
88 pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
89 pdo_odbc_pool_mode = SQL_CP_RELAXED_MATCH;
90 } else if (*pooling_val == '\0' || strcasecmp(pooling_val, "off") == 0) {
91 pdo_odbc_pool_on = SQL_CP_OFF;
92 } else {
93 php_error_docref(NULL, E_CORE_ERROR, "Error in pdo_odbc.connection_pooling configuration. Value must be one of \"strict\", \"relaxed\", or \"off\"");
94 return FAILURE;
95 }
96
97 if (pdo_odbc_pool_on != SQL_CP_OFF) {
98 SQLSetEnvAttr(SQL_NULL_HANDLE, SQL_ATTR_CONNECTION_POOLING, (void*)pdo_odbc_pool_on, 0);
99 }
100 #endif
101
102 register_pdo_odbc_symbols(module_number);
103
104 REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_USE_CURSOR_LIBRARY", PDO_ODBC_ATTR_USE_CURSOR_LIBRARY);
105 REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_ASSUME_UTF8", PDO_ODBC_ATTR_ASSUME_UTF8);
106 REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_IF_NEEDED", SQL_CUR_USE_IF_NEEDED);
107 REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_DRIVER", SQL_CUR_USE_DRIVER);
108 REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_ODBC", SQL_CUR_USE_ODBC);
109
110 pdo_odbc_ce = register_class_Pdo_Odbc(pdo_dbh_ce);
111 pdo_odbc_ce->create_object = pdo_dbh_new;
112
113 return php_pdo_register_driver_specific_ce(&pdo_odbc_driver, pdo_odbc_ce);
114 }
115 /* }}} */
116
117 /* {{{ PHP_MSHUTDOWN_FUNCTION */
PHP_MSHUTDOWN_FUNCTION(pdo_odbc)118 PHP_MSHUTDOWN_FUNCTION(pdo_odbc)
119 {
120 php_pdo_unregister_driver(&pdo_odbc_driver);
121 return SUCCESS;
122 }
123 /* }}} */
124
125 /* {{{ PHP_MINFO_FUNCTION */
PHP_MINFO_FUNCTION(pdo_odbc)126 PHP_MINFO_FUNCTION(pdo_odbc)
127 {
128 php_info_print_table_start();
129 php_info_print_table_row(2, "PDO Driver for ODBC (" PDO_ODBC_TYPE ")" , "enabled");
130 #ifdef SQL_ATTR_CONNECTION_POOLING
131 php_info_print_table_row(2, "ODBC Connection Pooling", pdo_odbc_pool_on == SQL_CP_OFF ?
132 "Disabled" : (pdo_odbc_pool_mode == SQL_CP_STRICT_MATCH ? "Enabled, strict matching" : "Enabled, relaxed matching"));
133 #else
134 php_info_print_table_row(2, "ODBC Connection Pooling", "Not supported in this build");
135 #endif
136 php_info_print_table_end();
137 }
138 /* }}} */
139
