1/*
2  +----------------------------------------------------------------------+
3  | PHP Version 7                                                        |
4  +----------------------------------------------------------------------+
5  | Copyright (c) 1997-2016 The PHP Group                                |
6  +----------------------------------------------------------------------+
7  | This source file is subject to version 3.0 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_0.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_odbc.h"
31#include "php_pdo_odbc_int.h"
32
33/* {{{ pdo_odbc_functions[] */
34const zend_function_entry pdo_odbc_functions[] = {
35	PHP_FE_END
36};
37/* }}} */
38
39/* {{{ pdo_odbc_deps[] */
40static const zend_module_dep pdo_odbc_deps[] = {
41	ZEND_MOD_REQUIRED("pdo")
42	ZEND_MOD_END
43};
44/* }}} */
45
46/* {{{ pdo_odbc_module_entry */
47zend_module_entry pdo_odbc_module_entry = {
48	STANDARD_MODULE_HEADER_EX, NULL,
49	pdo_odbc_deps,
50	"PDO_ODBC",
51	pdo_odbc_functions,
52	PHP_MINIT(pdo_odbc),
53	PHP_MSHUTDOWN(pdo_odbc),
54	NULL,
55	NULL,
56	PHP_MINFO(pdo_odbc),
57	PHP_PDO_ODBC_VERSION,
58	STANDARD_MODULE_PROPERTIES
59};
60/* }}} */
61
62#ifdef COMPILE_DL_PDO_ODBC
63ZEND_GET_MODULE(pdo_odbc)
64#endif
65
66#ifdef SQL_ATTR_CONNECTION_POOLING
67zend_ulong pdo_odbc_pool_on = SQL_CP_OFF;
68zend_ulong pdo_odbc_pool_mode = SQL_CP_ONE_PER_HENV;
69#endif
70
71#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
72PHP_INI_BEGIN()
73	PHP_INI_ENTRY("pdo_odbc.db2_instance_name", NULL, PHP_INI_SYSTEM, NULL)
74PHP_INI_END()
75
76#endif
77
78/* {{{ PHP_MINIT_FUNCTION */
79PHP_MINIT_FUNCTION(pdo_odbc)
80{
81#ifdef SQL_ATTR_CONNECTION_POOLING
82	char *pooling_val = NULL;
83#endif
84
85	if (FAILURE == php_pdo_register_driver(&pdo_odbc_driver)) {
86		return FAILURE;
87	}
88
89#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
90	REGISTER_INI_ENTRIES();
91	{
92		char *instance = INI_STR("pdo_odbc.db2_instance_name");
93		if (instance) {
94			char *env = malloc(sizeof("DB2INSTANCE=") + strlen(instance));
95			if (!env) {
96				return FAILURE;
97			}
98			strcpy(env, "DB2INSTANCE=");
99			strcat(env, instance);
100			putenv(env);
101			/* after this point, we can't free env without breaking the environment */
102		}
103	}
104#endif
105
106#ifdef SQL_ATTR_CONNECTION_POOLING
107	/* ugh, we don't really like .ini stuff in PDO, but since ODBC connection
108	 * pooling is process wide, we can't set it from within the scope of a
109	 * request without affecting others, which goes against our isolated request
110	 * policy.  So, we use cfg_get_string here to check it this once.
111	 * */
112	if (FAILURE == cfg_get_string("pdo_odbc.connection_pooling", &pooling_val) || pooling_val == NULL) {
113		pooling_val = "strict";
114	}
115	if (strcasecmp(pooling_val, "strict") == 0 || strcmp(pooling_val, "1") == 0) {
116		pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
117		pdo_odbc_pool_mode = SQL_CP_STRICT_MATCH;
118	} else if (strcasecmp(pooling_val, "relaxed") == 0) {
119		pdo_odbc_pool_on = SQL_CP_ONE_PER_HENV;
120		pdo_odbc_pool_mode = SQL_CP_RELAXED_MATCH;
121	} else if (*pooling_val == '\0' || strcasecmp(pooling_val, "off") == 0) {
122		pdo_odbc_pool_on = SQL_CP_OFF;
123	} else {
124		php_error_docref(NULL, E_ERROR, "Error in pdo_odbc.connection_pooling configuration.  Value MUST be one of 'strict', 'relaxed' or 'off'");
125		return FAILURE;
126	}
127
128	if (pdo_odbc_pool_on != SQL_CP_OFF) {
129		SQLSetEnvAttr(SQL_NULL_HANDLE, SQL_ATTR_CONNECTION_POOLING, (void*)pdo_odbc_pool_on, 0);
130	}
131#endif
132
133	REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_USE_CURSOR_LIBRARY", PDO_ODBC_ATTR_USE_CURSOR_LIBRARY);
134	REGISTER_PDO_CLASS_CONST_LONG("ODBC_ATTR_ASSUME_UTF8", PDO_ODBC_ATTR_ASSUME_UTF8);
135	REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_IF_NEEDED", SQL_CUR_USE_IF_NEEDED);
136	REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_DRIVER", SQL_CUR_USE_DRIVER);
137	REGISTER_PDO_CLASS_CONST_LONG("ODBC_SQL_USE_ODBC", SQL_CUR_USE_ODBC);
138
139	return SUCCESS;
140}
141/* }}} */
142
143/* {{{ PHP_MSHUTDOWN_FUNCTION
144 */
145PHP_MSHUTDOWN_FUNCTION(pdo_odbc)
146{
147#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
148	UNREGISTER_INI_ENTRIES();
149#endif
150	php_pdo_unregister_driver(&pdo_odbc_driver);
151	return SUCCESS;
152}
153/* }}} */
154
155/* {{{ PHP_MINFO_FUNCTION
156 */
157PHP_MINFO_FUNCTION(pdo_odbc)
158{
159	php_info_print_table_start();
160	php_info_print_table_header(2, "PDO Driver for ODBC (" PDO_ODBC_TYPE ")" , "enabled");
161#ifdef SQL_ATTR_CONNECTION_POOLING
162	php_info_print_table_row(2, "ODBC Connection Pooling",	pdo_odbc_pool_on == SQL_CP_OFF ?
163			"Disabled" : (pdo_odbc_pool_mode == SQL_CP_STRICT_MATCH ? "Enabled, strict matching" : "Enabled, relaxed matching"));
164#else
165	php_info_print_table_row(2, "ODBC Connection Pooling", "Not supported in this build");
166#endif
167	php_info_print_table_end();
168
169#if defined(DB2CLI_VER) && !defined(PHP_WIN32)
170	DISPLAY_INI_ENTRIES();
171#endif
172}
173/* }}} */
174
175/*
176 * Local variables:
177 * tab-width: 4
178 * c-basic-offset: 4
179 * End:
180 * vim600: noet sw=4 ts=4 fdm=marker
181 * vim<600: noet sw=4 ts=4
182 */
183