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176 lines
7.1 KiB
PHP
176 lines
7.1 KiB
PHP
--TEST--
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Persistent connections and mysqli.max_links
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--SKIPIF--
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<?php
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require_once('skipif.inc');
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require_once('skipifemb.inc');
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require_once('skipifconnectfailure.inc');
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require_once('connect.inc');
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if (!$IS_MYSQLND)
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die("skip mysqlnd only test");
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// we need a second DB user to test for a possible flaw in the ext/mysql[i] code
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if (!$link = mysqli_connect($host, $user, $passwd, $db, $port, $socket))
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die(sprintf("skip Cannot connect [%d] %s", mysqli_connect_errno(), mysqli_connect_error()));
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mysqli_query($link, 'DROP USER pcontest');
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mysqli_query($link, 'DROP USER pcontest@localhost');
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if (!mysqli_query($link, 'CREATE USER pcontest@"%" IDENTIFIED BY "pcontest"') ||
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!mysqli_query($link, 'CREATE USER pcontest@localhost IDENTIFIED BY "pcontest"')) {
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printf("skip Cannot create second DB user [%d] %s", mysqli_errno($link), mysqli_error($link));
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mysqli_close($link);
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die("skip CREATE USER failed");
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}
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// we might be able to specify the host using CURRENT_USER(), but...
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if (!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pcontest@'%%'", $db)) ||
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!mysqli_query($link, sprintf("GRANT SELECT ON TABLE %s.test TO pcontest@'localhost'", $db))) {
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printf("skip Cannot GRANT SELECT to second DB user [%d] %s", mysqli_errno($link), mysqli_error($link));
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mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
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mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest@localhost');
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mysqli_query($link, 'DROP USER pcontest@localhost');
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mysqli_query($link, 'DROP USER pcontest');
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mysqli_close($link);
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die("skip GRANT failed");
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}
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if (!($link_pcontest = @mysqli_connect($host, 'pcontest', 'pcontest', $db, $port, $socket))) {
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die(":)");
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mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
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mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest@localhost');
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mysqli_query($link, 'DROP USER pcontest@localhost');
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mysqli_query($link, 'DROP USER pcontest');
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mysqli_close($link);
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die("skip CONNECT using new user failed");
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}
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mysqli_close($link);
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?>
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--INI--
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mysqli.allow_persistent=1
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mysqli.max_persistent=2
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--FILE--
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<?php
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require_once("connect.inc");
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require_once('table.inc');
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if (!$plink = mysqli_connect('p:' . $host, 'pcontest', 'pcontest', $db, $port, $socket))
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printf("[001] Cannot connect using the second DB user created during SKIPIF, [%d] %s\n",
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mysqli_connect_errno(), mysqli_connect_error());
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ob_start();
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phpinfo();
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$phpinfo = strip_tags(ob_get_contents());
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ob_end_clean();
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$phpinfo = substr($phpinfo, strpos($phpinfo, 'MysqlI Support => enabled'), 500);
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if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches))
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printf("[002] Cannot get # active persistent links from phpinfo()\n");
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$num_plinks = $matches[1];
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if (!$res = mysqli_query($plink, 'SELECT id, label FROM test WHERE id = 1'))
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printf("[003] Cannot run query on persistent connection of second DB user, [%d] %s\n",
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mysqli_errno($plink), mysqli_error($plink));
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if (!$row = mysqli_fetch_assoc($res))
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printf("[004] Cannot run fetch result, [%d] %s\n",
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mysqli_errno($plink), mysqli_error($plink));
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mysqli_free_result($res);
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var_dump($row);
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// change the password for the second DB user and kill the persistent connection
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if (!mysqli_query($link, 'SET PASSWORD FOR pcontest = PASSWORD("newpass")') ||
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!mysqli_query($link, 'FLUSH PRIVILEGES'))
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printf("[005] Cannot change PW of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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// change the password for the second DB user and kill the persistent connection
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if (!mysqli_query($link, 'SET PASSWORD FOR pcontest@localhost = PASSWORD("newpass")') ||
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!mysqli_query($link, 'FLUSH PRIVILEGES'))
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printf("[006] Cannot change PW of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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// persistent connections cannot be closed but only be killed
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$pthread_id = mysqli_thread_id($plink);
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if (!mysqli_query($link, sprintf('KILL %d', $pthread_id)))
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printf("[007] Cannot KILL persistent connection of second DB user, [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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// give the server a second to really kill the thread
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sleep(1);
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if (!$res = mysqli_query($link, "SHOW FULL PROCESSLIST"))
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printf("[008] [%d] %s\n", mysqli_errno($link), mysqli_error($link));
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$running_threads = array();
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while ($row = mysqli_fetch_assoc($res))
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$running_threads[$row['Id']] = $row;
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mysqli_free_result($res);
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if (isset($running_threads[$pthread_id]))
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printf("[009] Persistent connection has not been killed\n");
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// this fails and we have 0 (<= $num_plinks) connections
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if ($plink = @mysqli_connect('p:' . $host, 'pcontest', 'pcontest', $db, $port, $socket))
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printf("[010] Can connect using the old password, [%d] %s\n",
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mysqli_connect_errno($link), mysqli_connect_error($link));
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ob_start();
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phpinfo();
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$phpinfo = strip_tags(ob_get_contents());
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ob_end_clean();
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$phpinfo = substr($phpinfo, stripos($phpinfo, 'MysqlI Support => enabled'), 500);
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if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches))
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printf("[010] Cannot get # of active persistent links from phpinfo()\n");
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$num_plinks_kill = $matches[1];
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if ($num_plinks_kill > $num_plinks)
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printf("[011] Expecting Active Persistent Links < %d, got %d\n", $num_plinks, $num_plinks_kill);
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if (!$plink = mysqli_connect('p:' . $host, 'pcontest', 'newpass', $db, $port, $socket))
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printf("[012] Cannot connect using the new password, [%d] %s\n",
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mysqli_connect_errno(), mysqli_connect_error());
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if (!$res = mysqli_query($plink, 'SELECT id, label FROM test WHERE id = 1'))
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printf("[013] Cannot run query on persistent connection of second DB user, [%d] %s\n",
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mysqli_errno($plink), mysqli_error($plink));
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if (!$row = mysqli_fetch_assoc($res))
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printf("[014] Cannot run fetch result, [%d] %s\n",
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mysqli_errno($plink), mysqli_error($plink));
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mysqli_free_result($res);
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var_dump($row);
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if ($plink2 = mysqli_connect('p:' . $host, 'pcontest', 'newpass', $db, $port, $socket))
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printf("[015] Can open more persistent connections than allowed, [%d] %s\n",
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mysqli_connect_errno(), mysqli_connect_error());
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ob_start();
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phpinfo();
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$phpinfo = strip_tags(ob_get_contents());
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ob_end_clean();
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$phpinfo = substr($phpinfo, stripos($phpinfo, 'MysqlI Support => enabled'), 500);
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if (!preg_match('@Active Persistent Links\s+=>\s+(\d+)@ismU', $phpinfo, $matches))
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printf("[016] Cannot get # of active persistent links from phpinfo()\n");
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$num_plinks = $matches[1];
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if ($num_plinks > (int)ini_get('mysqli.max_persistent'))
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printf("[017] mysqli.max_persistent=%d allows %d open connections!\n", ini_get('mysqli.max_persistent'),$num_plinks);
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mysqli_query($link, 'REVOKE ALL PRIVILEGES, GRANT OPTION FROM pcontest');
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mysqli_query($link, 'DROP USER pcontest');
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mysqli_close($link);
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print "done!";
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?>
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--EXPECTF--
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array(2) {
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[%u|b%"id"]=>
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%unicode|string%(1) "1"
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[%u|b%"label"]=>
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%unicode|string%(1) "a"
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}
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array(2) {
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[%u|b%"id"]=>
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%unicode|string%(1) "1"
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[%u|b%"label"]=>
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%unicode|string%(1) "a"
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}
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Warning: mysqli_connect(): Too many open persistent links (%d) in %s on line %d
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done!
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