1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 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 */
mysqli_warning_message(mysqli_object * obj,zval * retval,zend_bool quiet)202 static int mysqli_warning_message(mysqli_object *obj, zval *retval, zend_bool quiet)
203 {
204 MYSQLI_WARNING *w;
205
206 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
207 if (!quiet) {
208 php_error_docref(NULL, E_WARNING, "Couldn't fetch %s", ZSTR_VAL(obj->zo.ce->name));
209 }
210 ZVAL_NULL(retval);
211
212 return FAILURE;
213 }
214
215 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
216 ZVAL_COPY(retval, &w->reason);
217
218 return SUCCESS;
219 }
220 /* }}} */
221
222 /* {{{ property mysqli_warning_sqlstate */
mysqli_warning_sqlstate(mysqli_object * obj,zval * retval,zend_bool quiet)223 static int mysqli_warning_sqlstate(mysqli_object *obj, zval *retval, zend_bool quiet)
224 {
225 MYSQLI_WARNING *w;
226
227 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
228 if (!quiet) {
229 php_error_docref(NULL, E_WARNING, "Couldn't fetch %s", ZSTR_VAL(obj->zo.ce->name));
230 }
231 ZVAL_NULL(retval);
232
233 return FAILURE;
234 }
235
236 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
237 ZVAL_COPY(retval, &w->sqlstate);
238
239 return SUCCESS;
240 }
241 /* }}} */
242
243 /* {{{ property mysqli_warning_error */
mysqli_warning_errno(mysqli_object * obj,zval * retval,zend_bool quiet)244 static int mysqli_warning_errno(mysqli_object *obj, zval *retval, zend_bool quiet)
245 {
246 MYSQLI_WARNING *w;
247
248 if (!obj->ptr || !((MYSQLI_RESOURCE *)(obj->ptr))->ptr) {
249 if (!quiet) {
250 php_error_docref(NULL, E_WARNING, "Couldn't fetch %s", ZSTR_VAL(obj->zo.ce->name));
251 }
252 ZVAL_NULL(retval);
253
254 return FAILURE;
255 }
256
257 w = (MYSQLI_WARNING *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
258 ZVAL_LONG(retval, w->errorno);
259
260 return SUCCESS;
261 }
262 /* }}} */
263
264 /* {{{ mysqli_warning_construct(object obj) */
PHP_METHOD(mysqli_warning,__construct)265 PHP_METHOD(mysqli_warning, __construct)
266 {
267 zval *z;
268 mysqli_object *obj;
269 #ifndef MYSQLI_USE_MYSQLND
270 MYSQL *hdl;
271 #endif
272 MYSQLI_WARNING *w;
273 MYSQLI_RESOURCE *mysqli_resource;
274
275 if (zend_parse_parameters(ZEND_NUM_ARGS(), "o", &z) == FAILURE) {
276 return;
277 }
278 obj = Z_MYSQLI_P(z);
279
280 if (obj->zo.ce == mysqli_link_class_entry) {
281 MY_MYSQL *mysql;
282 MYSQLI_FETCH_RESOURCE_CONN(mysql, z, MYSQLI_STATUS_VALID);
283 if (mysql_warning_count(mysql->mysql)) {
284 #ifndef MYSQLI_USE_MYSQLND
285 w = php_get_warnings(mysql->mysql);
286 #else
287 w = php_get_warnings(mysql->mysql->data);
288 #endif
289 } else {
290 php_error_docref(NULL, E_WARNING, "No warnings found");
291 RETURN_FALSE;
292 }
293 } else if (obj->zo.ce == mysqli_stmt_class_entry) {
294 MY_STMT *stmt;
295 MYSQLI_FETCH_RESOURCE_STMT(stmt, z, MYSQLI_STATUS_VALID);
296 #ifndef MYSQLI_USE_MYSQLND
297 hdl = mysqli_stmt_get_connection(stmt->stmt);
298 if (mysql_warning_count(hdl)) {
299 w = php_get_warnings(hdl);
300 #else
301 if (mysqlnd_stmt_warning_count(stmt->stmt)) {
302 w = php_get_warnings(mysqli_stmt_get_connection(stmt->stmt));
303 #endif
304 } else {
305 php_error_docref(NULL, E_WARNING, "No warnings found");
306 RETURN_FALSE;
307 }
308 } else {
309 php_error_docref(NULL, E_WARNING, "invalid class argument");
310 RETURN_FALSE;
311 }
312
313 mysqli_resource = (MYSQLI_RESOURCE *)ecalloc (1, sizeof(MYSQLI_RESOURCE));
314 mysqli_resource->ptr = mysqli_resource->info = (void *)w;
315 mysqli_resource->status = MYSQLI_STATUS_VALID;
316
317 if (!getThis() || !instanceof_function(Z_OBJCE_P(getThis()), mysqli_warning_class_entry)) {
318 MYSQLI_RETURN_RESOURCE(mysqli_resource, mysqli_warning_class_entry);
319 } else {
320 (Z_MYSQLI_P(getThis()))->ptr = mysqli_resource;
321 }
322
323 }
324 /* }}} */
325
326 /* {{{ mysqli_warning_methods */
327 const zend_function_entry mysqli_warning_methods[] = {
328 PHP_ME(mysqli_warning, __construct, NULL, ZEND_ACC_PROTECTED)
329 PHP_ME(mysqli_warning, next, NULL, ZEND_ACC_PUBLIC)
330 PHP_FE_END
331 };
332 /* }}} */
333
334 /* {{{ mysqli_warning_property_entries */
335 const mysqli_property_entry mysqli_warning_property_entries[] = {
336 {"message", sizeof("message") - 1, mysqli_warning_message, NULL},
337 {"sqlstate", sizeof("sqlstate") - 1, mysqli_warning_sqlstate, NULL},
338 {"errno", sizeof("errno") - 1, mysqli_warning_errno, NULL},
339 {NULL, 0, NULL, NULL}
340 };
341 /* }}} */
342
