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    TSRMLS_FETCH();
95
96    if(dbproc) {
97        einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
98        if (!einfo) einfo = &DBLIB_G(err);
99    } else {
100        einfo = &DBLIB_G(err);
101    }
102
103    einfo->severity = severity;
104    einfo->oserr = oserr;
105    einfo->dberr = dberr;
106
107    if (einfo->oserrstr) {
108        efree(einfo->oserrstr);
109    }
110    if (einfo->dberrstr) {
111        efree(einfo->dberrstr);
112    }
113    if (oserrstr) {
114        einfo->oserrstr = estrdup(oserrstr);
115    } else {
116        einfo->oserrstr = NULL;
117    }
118    if (dberrstr) {
119        einfo->dberrstr = estrdup(dberrstr);
120    } else {
121        einfo->dberrstr = NULL;
122    }
123
124    switch (dberr) {
125        case SYBESEOF:
126        case SYBEFCON:  state = "01002"; break;
127        case SYBEMEM:   state = "HY001"; break;
128        case SYBEPWD:   state = "28000"; break;
129    }
130    strcpy(einfo->sqlstate, state);
131
132    return INT_CANCEL;
133}
134
135int pdo_dblib_msg_handler(DBPROCESS *dbproc, DBINT msgno, int msgstate,
136    int severity, char *msgtext, char *srvname, char *procname, DBUSMALLINT line)
137{
138    pdo_dblib_err *einfo;
139    TSRMLS_FETCH();
140
141    if (severity) {
142        einfo = (pdo_dblib_err*)dbgetuserdata(dbproc);
143        if (!einfo) {
144            einfo = &DBLIB_G(err);
145        }
146
147        if (einfo->lastmsg) {
148            efree(einfo->lastmsg);
149        }
150
151        einfo->lastmsg = estrdup(msgtext);
152    }
153
154    return 0;
155}
156
157static PHP_GINIT_FUNCTION(dblib)
158{
159    memset(dblib_globals, 0, sizeof(*dblib_globals));
160    dblib_globals->err.sqlstate = dblib_globals->sqlstate;
161}
162
163PHP_RSHUTDOWN_FUNCTION(pdo_dblib)
164{
165    if (DBLIB_G(err).oserrstr) {
166        efree(DBLIB_G(err).oserrstr);
167        DBLIB_G(err).oserrstr = NULL;
168    }
169    if (DBLIB_G(err).dberrstr) {
170        efree(DBLIB_G(err).dberrstr);
171        DBLIB_G(err).dberrstr = NULL;
172    }
173    if (DBLIB_G(err).lastmsg) {
174        efree(DBLIB_G(err).lastmsg);
175        DBLIB_G(err).lastmsg = NULL;
176    }
177    return SUCCESS;
178}
179
180PHP_MINIT_FUNCTION(pdo_dblib)
181{
182    if (FAIL == dbinit()) {
183        return FAILURE;
184    }
185
186    if (FAILURE == php_pdo_register_driver(&pdo_dblib_driver)) {
187        return FAILURE;
188    }
189
190#if !PHP_DBLIB_IS_MSSQL
191    dberrhandle((EHANDLEFUNC) pdo_dblib_error_handler);
192    dbmsghandle((MHANDLEFUNC) pdo_dblib_msg_handler);
193#endif
194
195    return SUCCESS;
196}
197
198PHP_MSHUTDOWN_FUNCTION(pdo_dblib)
199{
200    php_pdo_unregister_driver(&pdo_dblib_driver);
201    dbexit();
202    return SUCCESS;
203}
204
205PHP_MINFO_FUNCTION(pdo_dblib)
206{
207    php_info_print_table_start();
208    php_info_print_table_header(2, "PDO Driver for "
209#if PDO_DBLIB_IS_MSSQL
210        "MSSQL"
211#elif defined(PHP_WIN32)
212        "FreeTDS/Sybase/MSSQL"
213#else
214        "FreeTDS/Sybase"
215#endif
216        " DB-lib", "enabled");
217    php_info_print_table_row(2, "Flavour", PDO_DBLIB_FLAVOUR);
218    php_info_print_table_end();
219}
220
221