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: Georg Richter <georg@php.net> |
14 +----------------------------------------------------------------------+
15
16 */
17 #ifdef HAVE_CONFIG_H
18 #include <config.h>
19 #endif
20
21 #include <signal.h>
22
23 #include "php.h"
24 #include "php_mysqli_structs.h"
25 #include "mysqli_priv.h"
26
27 /* {{{ void php_clear_warnings() */
php_clear_warnings(MYSQLI_WARNING * w)28 void php_clear_warnings(MYSQLI_WARNING *w)
29 {
30 MYSQLI_WARNING *n;
31
32 while (w) {
33 n = w;
34 zval_ptr_dtor_str(&(w->reason));
35 zval_ptr_dtor_str(&(w->sqlstate));
36 w = w->next;
37 efree(n);
38 }
39 }
40 /* }}} */
41
42 /* {{{ MYSQLI_WARNING *php_new_warning */
43 static
php_new_warning(zval * reason,int errorno)44 MYSQLI_WARNING *php_new_warning(zval * reason, int errorno)
45 {
46 MYSQLI_WARNING *w;
47
48 w = (MYSQLI_WARNING *)ecalloc(1, sizeof(MYSQLI_WARNING));
49
50 ZVAL_COPY(&w->reason, reason);
51 convert_to_string(&w->reason);
52
53 ZVAL_STRINGL(&(w->sqlstate), "HY000", sizeof("HY000") - 1);
54
55 w->errorno = errorno;
56
57 return w;
58 }
59 /* }}} */
60
61 /* {{{ MYSQLI_WARNING *php_get_warnings(MYSQL *mysql) */
php_get_warnings(MYSQLND_CONN_DATA * mysql)62 MYSQLI_WARNING * php_get_warnings(MYSQLND_CONN_DATA * mysql)
63 {
64 MYSQLI_WARNING *w, *first = NULL, *prev = NULL;
65 MYSQL_RES *result;
66 zval row;
67
68 if (mysql->m->query(mysql, "SHOW WARNINGS", 13)) {
69 return NULL;
70 }
71
72 result = mysql->m->use_result(mysql);
73
74 for (;;) {
75 zval *entry;
76 int mysqli_errno;
77
78 mysqlnd_fetch_into(result, MYSQLND_FETCH_NUM, &row);
79 if (Z_TYPE(row) != IS_ARRAY) {
80 zval_ptr_dtor(&row);
81 break;
82 }
83 zend_hash_internal_pointer_reset(Z_ARRVAL(row));
84 /* 0. we don't care about the first */
85 zend_hash_move_forward(Z_ARRVAL(row));
86
87 /* 1. Here comes the error no */
88 entry = zend_hash_get_current_data(Z_ARRVAL(row));
89 mysqli_errno = zval_get_long(entry);
90 zend_hash_move_forward(Z_ARRVAL(row));
91
92 /* 2. Here comes the reason */
93 entry = zend_hash_get_current_data(Z_ARRVAL(row));
94
95 w = php_new_warning(entry, mysqli_errno);
96 /*
97 Don't destroy entry, because the row destroy will decrease
98 the refcounter. Decreased twice then mysqlnd_free_result()
99 will crash, because it will try to access already freed memory.
100 */
101 if (!first) {
102 first = w;
103 }
104 if (prev) {
105 prev->next = (void *)w;
106 }
107 prev = w;
108
109 zval_ptr_dtor(&row);
110 }
111
112 mysql_free_result(result);
113 return first;
114 }
115 /* }}} */
116
117 /* {{{ bool mysqli_warning::next() */
PHP_METHOD(mysqli_warning,next)118 PHP_METHOD(mysqli_warning, next)
119 {
120 MYSQLI_WARNING *w;
121 mysqli_object *obj = Z_MYSQLI_P(ZEND_THIS);
122
123 if (zend_parse_parameters_none() == FAILURE) {
124 RETURN_THROWS();
125 }
126
127 if (obj->ptr) {
128 MYSQLI_FETCH_RESOURCE(w, MYSQLI_WARNING *, ZEND_THIS, "mysqli_warning", MYSQLI_STATUS_VALID);
129
130 if (w && w->next) {
131 w = w->next;
132 ((MYSQLI_RESOURCE *)(obj->ptr))->ptr = w;
133 RETURN_TRUE;
134 }
135 }
136 RETURN_FALSE;
137 }
138 /* }}} */
139
140 /* {{{ property mysqli_warning_message */
mysqli_warning_message(mysqli_object * obj,zval * retval,bool quiet)141 static zend_result mysqli_warning_message(mysqli_object *obj, zval *retval, bool quiet)
142 {
143 MYSQLI_WARNING *w;
144
145 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
146 if (!quiet) {
147 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name));
148 }
149
150 return FAILURE;
151 }
152
153 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
154 ZVAL_COPY(retval, &w->reason);
155
156 return SUCCESS;
157 }
158 /* }}} */
159
160 /* {{{ property mysqli_warning_sqlstate */
mysqli_warning_sqlstate(mysqli_object * obj,zval * retval,bool quiet)161 static zend_result mysqli_warning_sqlstate(mysqli_object *obj, zval *retval, bool quiet)
162 {
163 MYSQLI_WARNING *w;
164
165 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
166 if (!quiet) {
167 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name));
168 }
169
170 return FAILURE;
171 }
172
173 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
174 ZVAL_COPY(retval, &w->sqlstate);
175
176 return SUCCESS;
177 }
178 /* }}} */
179
180 /* {{{ property mysqli_warning_error */
mysqli_warning_errno(mysqli_object * obj,zval * retval,bool quiet)181 static zend_result mysqli_warning_errno(mysqli_object *obj, zval *retval, bool quiet)
182 {
183 MYSQLI_WARNING *w;
184
185 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
186 if (!quiet) {
187 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name));
188 }
189
190 return FAILURE;
191 }
192
193 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
194 ZVAL_LONG(retval, w->errorno);
195
196 return SUCCESS;
197 }
198 /* }}} */
199
PHP_METHOD(mysqli_warning,__construct)200 PHP_METHOD(mysqli_warning, __construct)
201 {
202 ZEND_PARSE_PARAMETERS_NONE();
203
204 zend_throw_error(NULL, "Cannot directly construct mysqli_warning");
205 }
206
207 /* {{{ mysqli_warning_property_entries */
208 const mysqli_property_entry mysqli_warning_property_entries[] = {
209 {"message", sizeof("message") - 1, mysqli_warning_message, NULL},
210 {"sqlstate", sizeof("sqlstate") - 1, mysqli_warning_sqlstate, NULL},
211 {"errno", sizeof("errno") - 1, mysqli_warning_errno, NULL},
212 {NULL, 0, NULL, NULL}
213 };
214 /* }}} */
215
