tony2001                Sun Jul 30 20:50:53 2006 UTC

  Added files:                 
    /php-src/ext/oci8/tests     bug38173.phpt 

  Modified files:              
    /php-src/ext/oci8   php_oci8_int.h oci8_statement.c oci8_interface.c 
  Log:
  fix #38173 (Freeing nested cursors causes OCI8 to segfault)
  
  
http://cvs.php.net/viewvc.cgi/php-src/ext/oci8/php_oci8_int.h?r1=1.16&r2=1.17&diff_format=u
Index: php-src/ext/oci8/php_oci8_int.h
diff -u php-src/ext/oci8/php_oci8_int.h:1.16 
php-src/ext/oci8/php_oci8_int.h:1.17
--- php-src/ext/oci8/php_oci8_int.h:1.16        Wed Jun  7 13:36:19 2006
+++ php-src/ext/oci8/php_oci8_int.h     Sun Jul 30 20:50:53 2006
@@ -25,7 +25,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: php_oci8_int.h,v 1.16 2006/06/07 13:36:19 tony2001 Exp $ */
+/* $Id: php_oci8_int.h,v 1.17 2006/07/30 20:50:53 tony2001 Exp $ */
 
 #if HAVE_OCI8
 # ifndef PHP_OCI8_INT_H
@@ -166,6 +166,7 @@
        int ncolumns;                                   /* number of columns in 
the result */
        unsigned executed:1;                    /* statement executed flag */
        unsigned has_data:1;                    /* statement has more data flag 
*/
+       unsigned nested:1;                      /* statement handle is valid */
        ub2 stmttype;                                   /* statement type */
 } php_oci_statement; /* }}} */
 
http://cvs.php.net/viewvc.cgi/php-src/ext/oci8/oci8_statement.c?r1=1.19&r2=1.20&diff_format=u
Index: php-src/ext/oci8/oci8_statement.c
diff -u php-src/ext/oci8/oci8_statement.c:1.19 
php-src/ext/oci8/oci8_statement.c:1.20
--- php-src/ext/oci8/oci8_statement.c:1.19      Wed Apr 12 19:22:12 2006
+++ php-src/ext/oci8/oci8_statement.c   Sun Jul 30 20:50:53 2006
@@ -25,7 +25,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: oci8_statement.c,v 1.19 2006/04/12 19:22:12 tony2001 Exp $ */
+/* $Id: oci8_statement.c,v 1.20 2006/07/30 20:50:53 tony2001 Exp $ */
 
 
 #ifdef HAVE_CONFIG_H
@@ -94,6 +94,7 @@
 
        statement->connection = connection;
        statement->has_data = 0;
+       statement->nested = 0;
 
        if (OCI_G(default_prefetch) > 0) {
                php_oci_statement_set_prefetch(statement, 
OCI_G(default_prefetch) TSRMLS_CC);
@@ -443,6 +444,7 @@
                                case SQLT_RSET:
                                        outcol->statement = 
php_oci_statement_create(statement->connection, NULL, 0, 0 TSRMLS_CC);
                                        outcol->stmtid = outcol->statement->id;
+                                       outcol->statement->nested = 1;
 
                                        define_type = SQLT_RSET;
                                        outcol->is_cursor = 1;
http://cvs.php.net/viewvc.cgi/php-src/ext/oci8/oci8_interface.c?r1=1.16&r2=1.17&diff_format=u
Index: php-src/ext/oci8/oci8_interface.c
diff -u php-src/ext/oci8/oci8_interface.c:1.16 
php-src/ext/oci8/oci8_interface.c:1.17
--- php-src/ext/oci8/oci8_interface.c:1.16      Mon Jun  5 07:34:00 2006
+++ php-src/ext/oci8/oci8_interface.c   Sun Jul 30 20:50:53 2006
@@ -25,7 +25,7 @@
    +----------------------------------------------------------------------+
 */
 
-/* $Id: oci8_interface.c,v 1.16 2006/06/05 07:34:00 tony2001 Exp $ */
+/* $Id: oci8_interface.c,v 1.17 2006/07/30 20:50:53 tony2001 Exp $ */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -1479,7 +1479,10 @@
        }
 
        PHP_OCI_ZVAL_TO_STATEMENT(z_statement, statement);
-       zend_list_delete(statement->id);
+       if (!statement->nested) {
+               /* nested cursors cannot be freed, they are allocated once and 
used during the fetch */
+               zend_list_delete(statement->id);
+       }
        
        RETURN_TRUE;
 }

http://cvs.php.net/viewvc.cgi/php-src/ext/oci8/tests/bug38173.phpt?view=markup&rev=1.1
Index: php-src/ext/oci8/tests/bug38173.phpt
+++ php-src/ext/oci8/tests/bug38173.phpt
--TEST--
Bug #38173 (Freeing nested cursors causes OCI8 to segfault)
--SKIPIF--
<?php if (!extension_loaded('oci8')) die("skip no oci8 extension"); ?>
--FILE--
<?php

require dirname(__FILE__)."/connect.inc";

$create_1 = "CREATE TABLE t1 (id INTEGER)";
$create_2 = "CREATE TABLE t2 (id INTEGER)";
$drop_1 = "DROP TABLE t1";
$drop_2 = "DROP TABLE t2";

$s1 = oci_parse($c, $drop_1);
$s2 = oci_parse($c, $drop_2);
@oci_execute($s1);
@oci_execute($s2);

$s1 = oci_parse($c, $create_1);
$s2 = oci_parse($c, $create_2);
oci_execute($s1);
oci_execute($s2);

for($i=0; $i < 5; $i++) {
        $insert = "INSERT INTO t1 VALUES(".$i.")";
        $s = oci_parse($c, $insert);
        oci_execute($s);
}

for($i=0; $i < 5; $i++) {
        $insert = "INSERT INTO t2 VALUES(".$i.")";
        $s = oci_parse($c, $insert);
        oci_execute($s);
}

$query ="
SELECT
  t1.*,
  CURSOR( SELECT * FROM t2 ) as cursor
FROM
  t1
";

$sth = oci_parse($c, $query);
oci_execute($sth);

// dies on oci_free_statement on 2nd pass through loop
while ( $row = oci_fetch_assoc($sth) ) {
  print "Got row!\n";
  var_dump(oci_execute($row['CURSOR']));
  var_dump(oci_free_statement($row['CURSOR']));
}

$s1 = oci_parse($c, $drop_1);
$s2 = oci_parse($c, $drop_2);
@oci_execute($s1);
@oci_execute($s2);

echo "Done\n";

?>
--EXPECT--
Got row!
bool(true)
bool(true)
Got row!
bool(true)
bool(true)
Got row!
bool(true)
bool(true)
Got row!
bool(true)
bool(true)
Got row!
bool(true)
bool(true)
Done

-- 
PHP CVS Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to