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_ini.h"
25 #include "ext/standard/info.h"
26 #include "php_mysqli_structs.h"
27 #include "mysqli_priv.h"
28
29 /* Define these in the PHP7 tree to make merging easy process */
30 #define ZSTR_DUPLICATE (1<<0)
31 #define ZSTR_AUTOFREE (1<<1)
32
33 #define ZVAL_UTF8_STRING(z, s, flags) ZVAL_STRING((z), (char*)(s))
34 #define ZVAL_UTF8_STRINGL(z, s, l, flags) ZVAL_STRINGL((z), (char*)(s), (l))
35
36 /* {{{ void php_clear_warnings() */
php_clear_warnings(MYSQLI_WARNING * w)37 void php_clear_warnings(MYSQLI_WARNING *w)
38 {
39 MYSQLI_WARNING *n;
40
41 while (w) {
42 n = w;
43 zval_ptr_dtor_str(&(w->reason));
44 zval_ptr_dtor_str(&(w->sqlstate));
45 w = w->next;
46 efree(n);
47 }
48 }
49 /* }}} */
50
51 /* {{{ MYSQLI_WARNING *php_new_warning */
52 static
php_new_warning(zval * reason,int errorno)53 MYSQLI_WARNING *php_new_warning(zval * reason, int errorno)
54 {
55 MYSQLI_WARNING *w;
56
57 w = (MYSQLI_WARNING *)ecalloc(1, sizeof(MYSQLI_WARNING));
58
59 ZVAL_COPY(&w->reason, reason);
60 convert_to_string(&w->reason);
61
62 ZVAL_UTF8_STRINGL(&(w->sqlstate), "HY000", sizeof("HY000") - 1, ZSTR_DUPLICATE);
63
64 w->errorno = errorno;
65
66 return w;
67 }
68 /* }}} */
69
70 /* {{{ MYSQLI_WARNING *php_get_warnings(MYSQL *mysql) */
php_get_warnings(MYSQLND_CONN_DATA * mysql)71 MYSQLI_WARNING * php_get_warnings(MYSQLND_CONN_DATA * mysql)
72 {
73 MYSQLI_WARNING *w, *first = NULL, *prev = NULL;
74 MYSQL_RES *result;
75 zval row;
76
77 if (mysql->m->query(mysql, "SHOW WARNINGS", 13)) {
78 return NULL;
79 }
80
81 result = mysql->m->use_result(mysql);
82
83 for (;;) {
84 zval *entry;
85 int mysqli_errno;
86
87 mysqlnd_fetch_into(result, MYSQLND_FETCH_NUM, &row);
88 if (Z_TYPE(row) != IS_ARRAY) {
89 zval_ptr_dtor(&row);
90 break;
91 }
92 zend_hash_internal_pointer_reset(Z_ARRVAL(row));
93 /* 0. we don't care about the first */
94 zend_hash_move_forward(Z_ARRVAL(row));
95
96 /* 1. Here comes the error no */
97 entry = zend_hash_get_current_data(Z_ARRVAL(row));
98 mysqli_errno = zval_get_long(entry);
99 zend_hash_move_forward(Z_ARRVAL(row));
100
101 /* 2. Here comes the reason */
102 entry = zend_hash_get_current_data(Z_ARRVAL(row));
103
104 w = php_new_warning(entry, mysqli_errno);
105 /*
106 Don't destroy entry, because the row destroy will decrease
107 the refcounter. Decreased twice then mysqlnd_free_result()
108 will crash, because it will try to access already freed memory.
109 */
110 if (!first) {
111 first = w;
112 }
113 if (prev) {
114 prev->next = (void *)w;
115 }
116 prev = w;
117
118 zval_ptr_dtor(&row);
119 }
120
121 mysql_free_result(result);
122 return first;
123 }
124 /* }}} */
125
126 /* {{{ bool mysqli_warning::next() */
PHP_METHOD(mysqli_warning,next)127 PHP_METHOD(mysqli_warning, next)
128 {
129 MYSQLI_WARNING *w;
130 mysqli_object *obj = Z_MYSQLI_P(ZEND_THIS);
131
132 if (zend_parse_parameters_none() == FAILURE) {
133 RETURN_THROWS();
134 }
135
136 if (obj->ptr) {
137 MYSQLI_FETCH_RESOURCE(w, MYSQLI_WARNING *, ZEND_THIS, "mysqli_warning", MYSQLI_STATUS_VALID);
138
139 if (w && w->next) {
140 w = w->next;
141 ((MYSQLI_RESOURCE *)(obj->ptr))->ptr = w;
142 RETURN_TRUE;
143 }
144 }
145 RETURN_FALSE;
146 }
147 /* }}} */
148
149 /* {{{ property mysqli_warning_message */
mysqli_warning_message(mysqli_object * obj,zval * retval,bool quiet)150 static int mysqli_warning_message(mysqli_object *obj, zval *retval, bool quiet)
151 {
152 MYSQLI_WARNING *w;
153
154 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
155 if (!quiet) {
156 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name));
157 }
158
159 return FAILURE;
160 }
161
162 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
163 ZVAL_COPY(retval, &w->reason);
164
165 return SUCCESS;
166 }
167 /* }}} */
168
169 /* {{{ property mysqli_warning_sqlstate */
mysqli_warning_sqlstate(mysqli_object * obj,zval * retval,bool quiet)170 static int mysqli_warning_sqlstate(mysqli_object *obj, zval *retval, bool quiet)
171 {
172 MYSQLI_WARNING *w;
173
174 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
175 if (!quiet) {
176 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name));
177 }
178
179 return FAILURE;
180 }
181
182 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
183 ZVAL_COPY(retval, &w->sqlstate);
184
185 return SUCCESS;
186 }
187 /* }}} */
188
189 /* {{{ property mysqli_warning_error */
mysqli_warning_errno(mysqli_object * obj,zval * retval,bool quiet)190 static int mysqli_warning_errno(mysqli_object *obj, zval *retval, bool quiet)
191 {
192 MYSQLI_WARNING *w;
193
194 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
195 if (!quiet) {
196 zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name));
197 }
198
199 return FAILURE;
200 }
201
202 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
203 ZVAL_LONG(retval, w->errorno);
204
205 return SUCCESS;
206 }
207 /* }}} */
208
PHP_METHOD(mysqli_warning,__construct)209 PHP_METHOD(mysqli_warning, __construct)
210 {
211 ZEND_PARSE_PARAMETERS_NONE();
212
213 zend_throw_error(NULL, "Cannot directly construct mysqli_warning");
214 }
215
216 /* {{{ mysqli_warning_property_entries */
217 const mysqli_property_entry mysqli_warning_property_entries[] = {
218 {"message", sizeof("message") - 1, mysqli_warning_message, NULL},
219 {"sqlstate", sizeof("sqlstate") - 1, mysqli_warning_sqlstate, NULL},
220 {"errno", sizeof("errno") - 1, mysqli_warning_errno, NULL},
221 {NULL, 0, NULL, NULL}
222 };
223 /* }}} */
224
