1/*
2  +----------------------------------------------------------------------+
3  | PHP Version 7                                                        |
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  | 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
35ZEND_DECLARE_MODULE_GLOBALS(dblib)
36static PHP_GINIT_FUNCTION(dblib);
37
38const zend_function_entry pdo_dblib_functions[] = {
39    PHP_FE_END
40};
41
42#if ZEND_MODULE_API_NO >= 20050922
43static const zend_module_dep pdo_dblib_deps[] = {
44    ZEND_MOD_REQUIRED("pdo")
45    ZEND_MOD_END
46};
47#endif
48
49#if PDO_DBLIB_IS_MSSQL
50zend_module_entry pdo_mssql_module_entry = {
51#else
52zend_module_entry pdo_dblib_module_entry = {
53#endif
54#if ZEND_MODULE_API_NO >= 20050922
55    STANDARD_MODULE_HEADER_EX, NULL,
56    pdo_dblib_deps,
57#else
58    STANDARD_MODULE_HEADER,
59#endif
60#if PDO_DBLIB_IS_MSSQL
61    "pdo_mssql",
62#elif defined(PHP_WIN32)
63    "pdo_sybase",
64#else
65    "pdo_dblib",
66#endif
67    pdo_dblib_functions,
68    PHP_MINIT(pdo_dblib),
69    PHP_MSHUTDOWN(pdo_dblib),
70    NULL,
71    PHP_RSHUTDOWN(pdo_dblib),
72    PHP_MINFO(pdo_dblib),
73    "1.0.1",
74    PHP_MODULE_GLOBALS(dblib),
75    PHP_GINIT(dblib),
76    NULL,
77    NULL,
78    STANDARD_MODULE_PROPERTIES_EX
79};
80
81#if defined(COMPILE_DL_PDO_DBLIB) || defined(COMPILE_DL_PDO_MSSQL)
82#if PDO_DBLIB_IS_MSSQL
83ZEND_GET_MODULE(pdo_mssql)
84#else
85ZEND_GET_MODULE(pdo_dblib)
86#endif
87#endif
88
89int pdo_dblib_error_handler(DBPROCESS *dbproc, int severity, int dberr,
90    int oserr, char *dberrstr, char *oserrstr)
91{
92    pdo_dblib_err *einfo;
93    char *state = "HY000";
94
95    if(dbproc) {
96        einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
97        if (!einfo) einfo = &DBLIB_G(err);
98    } else {
99        einfo = &DBLIB_G(err);
100    }
101
102    einfo->severity = severity;
103    einfo->oserr = oserr;
104    einfo->dberr = dberr;
105
106    if (einfo->oserrstr) {
107        efree(einfo->oserrstr);
108    }
109    if (einfo->dberrstr) {
110        efree(einfo->dberrstr);
111    }
112    if (oserrstr) {
113        einfo->oserrstr = estrdup(oserrstr);
114    } else {
115        einfo->oserrstr = NULL;
116    }
117    if (dberrstr) {
118        einfo->dberrstr = estrdup(dberrstr);
119    } else {
120        einfo->dberrstr = NULL;
121    }
122
123    switch (dberr) {
124        case SYBESEOF:
125        case SYBEFCON:  state = "01002"; break;
126        case SYBEMEM:   state = "HY001"; break;
127        case SYBEPWD:   state = "28000"; break;
128    }
129    strcpy(einfo->sqlstate, state);
130
131    return INT_CANCEL;
132}
133
134int pdo_dblib_msg_handler(DBPROCESS *dbproc, DBINT msgno, int msgstate,
135    int severity, char *msgtext, char *srvname, char *procname, DBUSMALLINT line)
136{
137    pdo_dblib_err *einfo;
138
139    if (severity) {
140        einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
141        if (!einfo) {
142            einfo = &DBLIB_G(err);
143        }
144
145        if (einfo->lastmsg) {
146            efree(einfo->lastmsg);
147        }
148
149        einfo->lastmsg = estrdup(msgtext);
150    }
151
152    return 0;
153}
154
155static PHP_GINIT_FUNCTION(dblib)
156{
157    memset(dblib_globals, 0, sizeof(*dblib_globals));
158    dblib_globals->err.sqlstate = dblib_globals->sqlstate;
159}
160
161PHP_RSHUTDOWN_FUNCTION(pdo_dblib)
162{
163    if (DBLIB_G(err).oserrstr) {
164        efree(DBLIB_G(err).oserrstr);
165        DBLIB_G(err).oserrstr = NULL;
166    }
167    if (DBLIB_G(err).dberrstr) {
168        efree(DBLIB_G(err).dberrstr);
169        DBLIB_G(err).dberrstr = NULL;
170    }
171    if (DBLIB_G(err).lastmsg) {
172        efree(DBLIB_G(err).lastmsg);
173        DBLIB_G(err).lastmsg = NULL;
174    }
175    return SUCCESS;
176}
177
178PHP_MINIT_FUNCTION(pdo_dblib)
179{
180    if (FAIL == dbinit()) {
181        return FAILURE;
182    }
183
184    if (FAILURE == php_pdo_register_driver(&pdo_dblib_driver)) {
185        return FAILURE;
186    }
187
188#if !PHP_DBLIB_IS_MSSQL
189    dberrhandle((EHANDLEFUNC) pdo_dblib_error_handler);
190    dbmsghandle((MHANDLEFUNC) pdo_dblib_msg_handler);
191#endif
192
193    return SUCCESS;
194}
195
196PHP_MSHUTDOWN_FUNCTION(pdo_dblib)
197{
198    php_pdo_unregister_driver(&pdo_dblib_driver);
199    dbexit();
200    return SUCCESS;
201}
202
203PHP_MINFO_FUNCTION(pdo_dblib)
204{
205    php_info_print_table_start();
206    php_info_print_table_header(2, "PDO Driver for "
207#if PDO_DBLIB_IS_MSSQL
208        "MSSQL"
209#elif defined(PHP_WIN32)
210        "FreeTDS/Sybase/MSSQL"
211#else
212        "FreeTDS/Sybase"
213#endif
214        " DB-lib", "enabled");
215    php_info_print_table_row(2, "Flavour", PDO_DBLIB_FLAVOUR);
216    php_info_print_table_end();
217}
218
219