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: Georg Richter <georg@php.net> |
16 +----------------------------------------------------------------------+
17
18 */
19 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include <signal.h>
24
25 #include "php.h"
26 #include "php_ini.h"
27 #include "ext/standard/info.h"
28 #include "php_mysqli_structs.h"
29 #include "mysqli_priv.h"
30
31 /* Define these in the PHP7 tree to make merging easy process */
32 #define ZSTR_DUPLICATE (1<<0)
33 #define ZSTR_AUTOFREE (1<<1)
34
35 #define ZVAL_UTF8_STRING(z, s, flags) ZVAL_STRING((z), (char*)(s))
36 #define ZVAL_UTF8_STRINGL(z, s, l, flags) ZVAL_STRINGL((z), (char*)(s), (l))
37
38 /* {{{ void php_clear_warnings() */
php_clear_warnings(MYSQLI_WARNING * w)39 void php_clear_warnings(MYSQLI_WARNING *w)
40 {
41 MYSQLI_WARNING *n;
42
43 while (w) {
44 n = w;
45 zval_ptr_dtor_str(&(w->reason));
46 zval_ptr_dtor_str(&(w->sqlstate));
47 w = w->next;
48 efree(n);
49 }
50 }
51 /* }}} */
52
53 #ifndef MYSQLI_USE_MYSQLND
54 /* {{{ MYSQLI_WARNING *php_new_warning */
55 static
php_new_warning(const char * reason,int errorno)56 MYSQLI_WARNING *php_new_warning(const char *reason, int errorno)
57 {
58 MYSQLI_WARNING *w;
59
60 w = (MYSQLI_WARNING *)ecalloc(1, sizeof(MYSQLI_WARNING));
61
62 ZVAL_UTF8_STRING(&(w->reason), reason, ZSTR_DUPLICATE);
63
64 ZVAL_UTF8_STRINGL(&(w->sqlstate), "HY000", sizeof("HY000") - 1, ZSTR_DUPLICATE);
65
66 w->errorno = errorno;
67
68 return w;
69 }
70 /* }}} */
71
72 /* {{{ MYSQLI_WARNING *php_get_warnings(MYSQL *mysql) */
php_get_warnings(MYSQL * mysql)73 MYSQLI_WARNING *php_get_warnings(MYSQL *mysql)
74 {
75 MYSQLI_WARNING *w, *first = NULL, *prev = NULL;
76 MYSQL_RES *result;
77 MYSQL_ROW row;
78
79 if (mysql_real_query(mysql, "SHOW WARNINGS", 13)) {
80 return NULL;
81 }
82
83 result = mysql_store_result(mysql);
84
85 while ((row = mysql_fetch_row(result))) {
86 w = php_new_warning(row[2], atoi(row[1]));
87 if (!first) {
88 first = w;
89 }
90 if (prev) {
91 prev->next = w;
92 }
93 prev = w;
94 }
95 mysql_free_result(result);
96 return first;
97 }
98 /* }}} */
99 #else
100 /* {{{ MYSQLI_WARNING *php_new_warning */
101 static
php_new_warning(zval * reason,int errorno)102 MYSQLI_WARNING *php_new_warning(zval * reason, int errorno)
103 {
104 MYSQLI_WARNING *w;
105
106 w = (MYSQLI_WARNING *)ecalloc(1, sizeof(MYSQLI_WARNING));
107
108 ZVAL_COPY(&w->reason, reason);
109 convert_to_string(&w->reason);
110
111 ZVAL_UTF8_STRINGL(&(w->sqlstate), "HY000", sizeof("HY000") - 1, ZSTR_DUPLICATE);
112
113 w->errorno = errorno;
114
115 return w;
116 }
117 /* }}} */
118
119 /* {{{ MYSQLI_WARNING *php_get_warnings(MYSQL *mysql) */
php_get_warnings(MYSQLND_CONN_DATA * mysql)120 MYSQLI_WARNING * php_get_warnings(MYSQLND_CONN_DATA * mysql)
121 {
122 MYSQLI_WARNING *w, *first = NULL, *prev = NULL;
123 MYSQL_RES *result;
124 zval row;
125
126 if (mysql->m->query(mysql, "SHOW WARNINGS", 13)) {
127 return NULL;
128 }
129
130 result = mysql->m->use_result(mysql, 0);
131
132 for (;;) {
133 zval *entry;
134 int errno;
135
136 mysqlnd_fetch_into(result, MYSQLND_FETCH_NUM, &row, MYSQLND_MYSQLI);
137 if (Z_TYPE(row) != IS_ARRAY) {
138 zval_ptr_dtor(&row);
139 break;
140 }
141 zend_hash_internal_pointer_reset(Z_ARRVAL(row));
142 /* 0. we don't care about the first */
143 zend_hash_move_forward(Z_ARRVAL(row));
144
145 /* 1. Here comes the error no */
146 entry = zend_hash_get_current_data(Z_ARRVAL(row));
147 errno = zval_get_long(entry);
148 zend_hash_move_forward(Z_ARRVAL(row));
149
150 /* 2. Here comes the reason */
151 entry = zend_hash_get_current_data(Z_ARRVAL(row));
152
153 w = php_new_warning(entry, errno);
154 /*
155 Don't destroy entry, because the row destroy will decrease
156 the refcounter. Decreased twice then mysqlnd_free_result()
157 will crash, because it will try to access already freed memory.
158 */
159 if (!first) {
160 first = w;
161 }
162 if (prev) {
163 prev->next = (void *)w;
164 }
165 prev = w;
166
167 zval_ptr_dtor(&row);
168 }
169
170 mysql_free_result(result);
171 return first;
172 }
173 /* }}} */
174 #endif
175
176 /* {{{ bool mysqli_warning::next() */
PHP_METHOD(mysqli_warning,next)177 PHP_METHOD(mysqli_warning, next)
178 {
179 MYSQLI_WARNING *w;
180 zval *mysqli_warning;
181 mysqli_object *obj = Z_MYSQLI_P(getThis());
182
183 if (obj->ptr) {
184 if (zend_parse_method_parameters(ZEND_NUM_ARGS(), getThis(), "O",
185 &mysqli_warning, mysqli_warning_class_entry) == FAILURE) {
186 return;
187 }
188
189 MYSQLI_FETCH_RESOURCE(w, MYSQLI_WARNING *, mysqli_warning, "mysqli_warning", MYSQLI_STATUS_VALID);
190
191 if (w && w->next) {
192 w = w->next;
193 ((MYSQLI_RESOURCE *)(obj->ptr))->ptr = w;
194 RETURN_TRUE;
195 }
196 }
197 RETURN_FALSE;
198 }
199 /* }}} */
200
201 /* {{{ property mysqli_warning_message */
202 static
mysqli_warning_message(mysqli_object * obj,zval * retval)203 zval *mysqli_warning_message(mysqli_object *obj, zval *retval)
204 {
205 MYSQLI_WARNING *w;
206
207 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
208 return NULL;
209 }
210
211 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
212 ZVAL_COPY(retval, &w->reason);
213 return retval;
214 }
215 /* }}} */
216
217 /* {{{ property mysqli_warning_sqlstate */
218 static
mysqli_warning_sqlstate(mysqli_object * obj,zval * retval)219 zval *mysqli_warning_sqlstate(mysqli_object *obj, zval *retval)
220 {
221 MYSQLI_WARNING *w;
222
223 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
224 return NULL;
225 }
226
227 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
228 ZVAL_COPY(retval, &w->sqlstate);
229 return retval;
230 }
231 /* }}} */
232
233 /* {{{ property mysqli_warning_error */
234 static
mysqli_warning_errno(mysqli_object * obj,zval * retval)235 zval *mysqli_warning_errno(mysqli_object *obj, zval *retval)
236 {
237 MYSQLI_WARNING *w;
238
239 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
240 return NULL;
241 }
242 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
243 ZVAL_LONG(retval, w->errorno);
244 return retval;
245 }
246 /* }}} */
247
248 /* {{{ mysqli_warning_construct(object obj) */
PHP_METHOD(mysqli_warning,__construct)249 PHP_METHOD(mysqli_warning, __construct)
250 {
251 zval *z;
252 mysqli_object *obj;
253 #ifndef MYSQLI_USE_MYSQLND
254 MYSQL *hdl;
255 #endif
256 MYSQLI_WARNING *w;
257 MYSQLI_RESOURCE *mysqli_resource;
258
259 if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &z) == FAILURE) {
260 return;
261 }
262 obj = Z_MYSQLI_P(z);
263
264 if (obj->zo.ce == mysqli_link_class_entry) {
265 MY_MYSQL *mysql;
266 MYSQLI_FETCH_RESOURCE_CONN(mysql, z, MYSQLI_STATUS_VALID);
267 if (mysql_warning_count(mysql->mysql)) {
268 #ifndef MYSQLI_USE_MYSQLND
269 w = php_get_warnings(mysql->mysql);
270 #else
271 w = php_get_warnings(mysql->mysql->data);
272 #endif
273 } else {
274 php_error_docref(NULL, E_WARNING, "No warnings found");
275 RETURN_FALSE;
276 }
277 } else if (obj->zo.ce == mysqli_stmt_class_entry) {
278 MY_STMT *stmt;
279 MYSQLI_FETCH_RESOURCE_STMT(stmt, z, MYSQLI_STATUS_VALID);
280 #ifndef MYSQLI_USE_MYSQLND
281 hdl = mysqli_stmt_get_connection(stmt->stmt);
282 if (mysql_warning_count(hdl)) {
283 w = php_get_warnings(hdl);
284 #else
285 if (mysqlnd_stmt_warning_count(stmt->stmt)) {
286 w = php_get_warnings(mysqli_stmt_get_connection(stmt->stmt));
287 #endif
288 } else {
289 php_error_docref(NULL, E_WARNING, "No warnings found");
290 RETURN_FALSE;
291 }
292 } else {
293 php_error_docref(NULL, E_WARNING, "invalid class argument");
294 RETURN_FALSE;
295 }
296
297 mysqli_resource = (MYSQLI_RESOURCE *)ecalloc (1, sizeof(MYSQLI_RESOURCE));
298 mysqli_resource->ptr = mysqli_resource->info = (void *)w;
299 mysqli_resource->status = MYSQLI_STATUS_VALID;
300
301 if (!getThis() || !instanceof_function(Z_OBJCE_P(getThis()), mysqli_warning_class_entry)) {
302 MYSQLI_RETURN_RESOURCE(mysqli_resource, mysqli_warning_class_entry);
303 } else {
304 (Z_MYSQLI_P(getThis()))->ptr = mysqli_resource;
305 }
306
307 }
308 /* }}} */
309
310 /* {{{ mysqli_warning_methods */
311 const zend_function_entry mysqli_warning_methods[] = {
312 PHP_ME(mysqli_warning, __construct, NULL, ZEND_ACC_PROTECTED)
313 PHP_ME(mysqli_warning, next, NULL, ZEND_ACC_PUBLIC)
314 PHP_FE_END
315 };
316 /* }}} */
317
318 /* {{{ mysqli_warning_property_entries */
319 const mysqli_property_entry mysqli_warning_property_entries[] = {
320 {"message", sizeof("message") - 1, mysqli_warning_message, NULL},
321 {"sqlstate", sizeof("sqlstate") - 1, mysqli_warning_sqlstate, NULL},
322 {"errno", sizeof("errno") - 1, mysqli_warning_errno, NULL},
323 {NULL, 0, NULL, NULL}
324 };
325 /* }}} */
326
327 /*
328 * Local variables:
329 * tab-width: 4
330 * c-basic-offset: 4
331 * indent-tabs-mode: t
332 * End:
333 * vim600: noet sw=4 ts=4 fdm=marker
334 * vim<600: noet sw=4 ts=4
335 */
336
