From: philipp at caha dot info
Operating system: Linux
PHP version: 5.2.4
PHP Bug Type: Streams related
Bug description: fwrite to a Stream create a wrong checksum
Description:
------------
I write Data to a Socket, but it comes some incorrect checksum (dump with
tcpdump)
Dump :
00:16:76:df:12:eb (oui Unknown) > 00:04:23:c1:72:23 (oui Unknown),
ethertype IPv4 (0x0800), length 64: (tos 0x0, ttl 64, id 63018, offset 0,
flags [DF], proto: TCP (6), length: 50) 10.10.1.22.dnsix >
mk089144217176.a1.net.sbl: P, cksum 0x3e85 (incorrect (-> 0x261b), 1:11(10)
ack 118 win 5840 urg 10
0x0000: 4500 0032 f62a 4000 4006 063b 0a0a 0116
0x0010: 5990 d9b0 005a 040f 1cc2 054c 0005 0ecc
0x0020: 5038 16d0 3e85 000a 3031 3334 3036 3936
0x0030: 3233
Reproduce code:
---------------
$socket = stream_socket_server('tcp://10.10.1.22:90', $errno, $errstr);
$conn = @stream_socket_accept($socket, 1);
$message = fread($conn, 8192);
$answer = "0134069623";
fwrite($conn, $answer);
fclose ($conn);
fclose($socket);
--
Edit bug report at http://bugs.php.net/?id=42624&edit=1
--
Try a CVS snapshot (PHP 4.4):
http://bugs.php.net/fix.php?id=42624&r=trysnapshot44
Try a CVS snapshot (PHP 5.2):
http://bugs.php.net/fix.php?id=42624&r=trysnapshot52
Try a CVS snapshot (PHP 6.0):
http://bugs.php.net/fix.php?id=42624&r=trysnapshot60
Fixed in CVS: http://bugs.php.net/fix.php?id=42624&r=fixedcvs
Fixed in release:
http://bugs.php.net/fix.php?id=42624&r=alreadyfixed
Need backtrace: http://bugs.php.net/fix.php?id=42624&r=needtrace
Need Reproduce Script: http://bugs.php.net/fix.php?id=42624&r=needscript
Try newer version: http://bugs.php.net/fix.php?id=42624&r=oldversion
Not developer issue: http://bugs.php.net/fix.php?id=42624&r=support
Expected behavior: http://bugs.php.net/fix.php?id=42624&r=notwrong
Not enough info:
http://bugs.php.net/fix.php?id=42624&r=notenoughinfo
Submitted twice:
http://bugs.php.net/fix.php?id=42624&r=submittedtwice
register_globals: http://bugs.php.net/fix.php?id=42624&r=globals
PHP 3 support discontinued: http://bugs.php.net/fix.php?id=42624&r=php3
Daylight Savings: http://bugs.php.net/fix.php?id=42624&r=dst
IIS Stability: http://bugs.php.net/fix.php?id=42624&r=isapi
Install GNU Sed: http://bugs.php.net/fix.php?id=42624&r=gnused
Floating point limitations: http://bugs.php.net/fix.php?id=42624&r=float
No Zend Extensions: http://bugs.php.net/fix.php?id=42624&r=nozend
MySQL Configuration Error: http://bugs.php.net/fix.php?id=42624&r=mysqlcfg