xref: /PHP-7.2/ext/pdo_dblib/pdo_dblib.c (revision 7a7ec01a)
1 /*
2   +----------------------------------------------------------------------+
3   | PHP Version 7                                                        |
4   +----------------------------------------------------------------------+
5   | Copyright (c) 1997-2018 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   |         Frank M. Kromann <frank@kromann.info>                        |
17   +----------------------------------------------------------------------+
18 */
19 
20 /* $Id$ */
21 
22 #ifdef HAVE_CONFIG_H
23 # include "config.h"
24 #endif
25 
26 #include "php.h"
27 #include "php_ini.h"
28 #include "ext/standard/info.h"
29 #include "pdo/php_pdo.h"
30 #include "pdo/php_pdo_driver.h"
31 #include "php_pdo_dblib.h"
32 #include "php_pdo_dblib_int.h"
33 #include "zend_exceptions.h"
34 
35 ZEND_DECLARE_MODULE_GLOBALS(dblib)
36 static PHP_GINIT_FUNCTION(dblib);
37 
38 const zend_function_entry pdo_dblib_functions[] = {
39 	PHP_FE_END
40 };
41 
42 static const zend_module_dep pdo_dblib_deps[] = {
43 	ZEND_MOD_REQUIRED("pdo")
44 	ZEND_MOD_END
45 };
46 
47 #if PDO_DBLIB_IS_MSSQL
48 zend_module_entry pdo_mssql_module_entry = {
49 #else
50 zend_module_entry pdo_dblib_module_entry = {
51 #endif
52 	STANDARD_MODULE_HEADER_EX, NULL,
53 	pdo_dblib_deps,
54 #if PDO_DBLIB_IS_MSSQL
55 	"pdo_mssql",
56 #elif defined(PHP_WIN32)
57 	"pdo_sybase",
58 #else
59 	"pdo_dblib",
60 #endif
61 	pdo_dblib_functions,
62 	PHP_MINIT(pdo_dblib),
63 	PHP_MSHUTDOWN(pdo_dblib),
64 	NULL,
65 	PHP_RSHUTDOWN(pdo_dblib),
66 	PHP_MINFO(pdo_dblib),
67 	PHP_PDO_DBLIB_VERSION,
68 	PHP_MODULE_GLOBALS(dblib),
69 	PHP_GINIT(dblib),
70 	NULL,
71 	NULL,
72 	STANDARD_MODULE_PROPERTIES_EX
73 };
74 
75 #if defined(COMPILE_DL_PDO_DBLIB) || defined(COMPILE_DL_PDO_MSSQL)
76 #if PDO_DBLIB_IS_MSSQL
ZEND_GET_MODULE(pdo_mssql)77 ZEND_GET_MODULE(pdo_mssql)
78 #else
79 ZEND_GET_MODULE(pdo_dblib)
80 #endif
81 #endif
82 
83 int pdo_dblib_error_handler(DBPROCESS *dbproc, int severity, int dberr,
84 	int oserr, char *dberrstr, char *oserrstr)
85 {
86 	pdo_dblib_err *einfo;
87 	char *state = "HY000";
88 
89 	if(dbproc) {
90 		einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
91 		if (!einfo) einfo = &DBLIB_G(err);
92 	} else {
93 		einfo = &DBLIB_G(err);
94 	}
95 
96 	einfo->severity = severity;
97 	einfo->oserr = oserr;
98 	einfo->dberr = dberr;
99 
100 	if (einfo->oserrstr) {
101 		efree(einfo->oserrstr);
102 	}
103 	if (einfo->dberrstr) {
104 		efree(einfo->dberrstr);
105 	}
106 	if (oserrstr) {
107 		einfo->oserrstr = estrdup(oserrstr);
108 	} else {
109 		einfo->oserrstr = NULL;
110 	}
111 	if (dberrstr) {
112 		einfo->dberrstr = estrdup(dberrstr);
113 	} else {
114 		einfo->dberrstr = NULL;
115 	}
116 
117 	switch (dberr) {
118 		case SYBESEOF:
119 		case SYBEFCON:	state = "01002"; break;
120 		case SYBEMEM:	state = "HY001"; break;
121 		case SYBEPWD:	state = "28000"; break;
122 	}
123 	strcpy(einfo->sqlstate, state);
124 
125 	return INT_CANCEL;
126 }
127 
pdo_dblib_msg_handler(DBPROCESS * dbproc,DBINT msgno,int msgstate,int severity,char * msgtext,char * srvname,char * procname,DBUSMALLINT line)128 int pdo_dblib_msg_handler(DBPROCESS *dbproc, DBINT msgno, int msgstate,
129 	int severity, char *msgtext, char *srvname, char *procname, DBUSMALLINT line)
130 {
131 	pdo_dblib_err *einfo;
132 
133 	if (severity) {
134 		einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
135 		if (!einfo) {
136 			einfo = &DBLIB_G(err);
137 		}
138 
139 		if (einfo->lastmsg) {
140 			efree(einfo->lastmsg);
141 		}
142 
143 		einfo->lastmsg = estrdup(msgtext);
144 	}
145 
146 	return 0;
147 }
148 
pdo_dblib_err_dtor(pdo_dblib_err * err)149 void pdo_dblib_err_dtor(pdo_dblib_err *err)
150 {
151 	if (!err) {
152 		return;
153 	}
154 
155 	if (err->dberrstr) {
156 		efree(err->dberrstr);
157 		err->dberrstr = NULL;
158 	}
159 	if (err->lastmsg) {
160 		efree(err->lastmsg);
161 		err->lastmsg = NULL;
162 	}
163 	if (err->oserrstr) {
164 		efree(err->oserrstr);
165 		err->oserrstr = NULL;
166 	}
167 }
168 
PHP_GINIT_FUNCTION(dblib)169 static PHP_GINIT_FUNCTION(dblib)
170 {
171 	memset(dblib_globals, 0, sizeof(*dblib_globals));
172 	dblib_globals->err.sqlstate = dblib_globals->sqlstate;
173 }
174 
PHP_RSHUTDOWN_FUNCTION(pdo_dblib)175 PHP_RSHUTDOWN_FUNCTION(pdo_dblib)
176 {
177 	if (DBLIB_G(err).oserrstr) {
178 		efree(DBLIB_G(err).oserrstr);
179 		DBLIB_G(err).oserrstr = NULL;
180 	}
181 	if (DBLIB_G(err).dberrstr) {
182 		efree(DBLIB_G(err).dberrstr);
183 		DBLIB_G(err).dberrstr = NULL;
184 	}
185 	if (DBLIB_G(err).lastmsg) {
186 		efree(DBLIB_G(err).lastmsg);
187 		DBLIB_G(err).lastmsg = NULL;
188 	}
189 	return SUCCESS;
190 }
191 
PHP_MINIT_FUNCTION(pdo_dblib)192 PHP_MINIT_FUNCTION(pdo_dblib)
193 {
194 	REGISTER_PDO_CLASS_CONST_LONG("DBLIB_ATTR_CONNECTION_TIMEOUT", (long) PDO_DBLIB_ATTR_CONNECTION_TIMEOUT);
195 	REGISTER_PDO_CLASS_CONST_LONG("DBLIB_ATTR_QUERY_TIMEOUT", (long) PDO_DBLIB_ATTR_QUERY_TIMEOUT);
196 	REGISTER_PDO_CLASS_CONST_LONG("DBLIB_ATTR_STRINGIFY_UNIQUEIDENTIFIER", (long) PDO_DBLIB_ATTR_STRINGIFY_UNIQUEIDENTIFIER);
197 	REGISTER_PDO_CLASS_CONST_LONG("DBLIB_ATTR_VERSION", (long) PDO_DBLIB_ATTR_VERSION);
198 
199 	if (FAIL == dbinit()) {
200 		return FAILURE;
201 	}
202 
203 	if (FAILURE == php_pdo_register_driver(&pdo_dblib_driver)) {
204 		return FAILURE;
205 	}
206 
207 #if !PHP_DBLIB_IS_MSSQL
208 	dberrhandle((EHANDLEFUNC) pdo_dblib_error_handler);
209 	dbmsghandle((MHANDLEFUNC) pdo_dblib_msg_handler);
210 #endif
211 
212 	return SUCCESS;
213 }
214 
PHP_MSHUTDOWN_FUNCTION(pdo_dblib)215 PHP_MSHUTDOWN_FUNCTION(pdo_dblib)
216 {
217 	php_pdo_unregister_driver(&pdo_dblib_driver);
218 	dbexit();
219 	return SUCCESS;
220 }
221 
PHP_MINFO_FUNCTION(pdo_dblib)222 PHP_MINFO_FUNCTION(pdo_dblib)
223 {
224 	php_info_print_table_start();
225 	php_info_print_table_header(2, "PDO Driver for "
226 #if PDO_DBLIB_IS_MSSQL
227 		"MSSQL"
228 #elif defined(PHP_WIN32)
229 		"FreeTDS/Sybase/MSSQL"
230 #else
231 		"FreeTDS/Sybase"
232 #endif
233 		" DB-lib", "enabled");
234 	php_info_print_table_row(2, "Flavour", PDO_DBLIB_FLAVOUR);
235 	php_info_print_table_end();
236 }
237