ID:               50962
 Updated by:       j...@php.net
 Reported By:      m dot ebbers at i-real dot nl
-Status:           Open
+Status:           Feedback
 Bug Type:         Streams related
 Operating System: Linux
 PHP Version:      5.3.1
 New Comment:

Please try using this snapshot:

  http://snaps.php.net/php5.3-latest.tar.gz
 
For Windows:

  http://windows.php.net/snapshots/




Previous Comments:
------------------------------------------------------------------------

[2010-02-08 09:29:16] m dot ebbers at i-real dot nl

Description:
------------
When fopen/fwrite are used to upload a file, through ftp to a ftp
server running on windows, it is not always uploaded completely despite
the fact that fwrite returns that all bytes of the file are written.

I've testen the following scenarios with the attached code:
>From Ubuntu 9.10 to Bulletproof ftpd under windows xp (vmware).
(failed)
>From Ubuntu 9.10 to Serv-u ftpd under windows xp (vmware). (failed)
>From Ubuntu 9.10 to vsftpd on same machine. (ok)
Different hardware and network:
>From CentOS release 5 to Bulletproof ftpd on windows server (failed)

When using the ftp command it all works great.

Also tried the build-in ftp client from php and that works fine. It
only failed when using fopen/fwrite/file_put_contents.


Reproduce code:
---------------
$host = '192.168.1.34';
$user = 'marke';
$passwd = 'ebbers';
$path = '/';
$file = $argv[1];
$url='ftp://'.$user.':'.$passwd.'@'.$host.$path.$file;

$content = file_get_contents($file);
$handle = fopen($url, 'w');
$written = 0;

while ($written != strlen($content))
{

        $write = fwrite($handle, substr($content, $written));
        fflush($handle);
        if($write){
                $written .= $write;
                echo "Written: ".$written.'\n';
        }else{
                break;
        }
}

Expected result:
----------------
Output script: Written: 293346 (Test file is 293346 bytes.)
And a file on the ftp server of the same size.

Actual result:
--------------
Output script: Written: 293346 (Test file is 293346 bytes.)
A file on the server, but it is smaller. (and the sizes varies)

I've also a wireshark sniff available. The strange thing in the sniff
is that the every byte of the file is actually send, but by an unknown
reason there is tcp resend and the data in that resend is also the last
data in the file on the server.

Strace:
socket(PF_INET6, SOCK_DGRAM, IPPROTO_IP) = 3
socket(PF_NETLINK, SOCK_RAW, 0)         = 3
bind(3, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
getsockname(3, {sa_family=AF_NETLINK, pid=6499, groups=00000000}, [12])
= 0
sendto(3, "\24\0\0\0\26\0\1\3\220\321oK\0\0\0\0\0\0\0\0", 20, 0,
{sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"0\0\0\0\24\0\2\0\220\321oKc\31\0\0\2\10\200\376\1\0\0\0\10\0\1\0\177\0\0\1"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 228
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"@\0\0\0\24\0\2\0\220\321oKc\31\0\0\n\200\200\376\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 256
recvmsg(3, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"\24\0\0\0\3\0\2\0\220\321oKc\31\0\0\0\0\0\0\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 20
socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 3
connect(3, {sa_family=AF_INET, sin_port=htons(21),
sin_addr=inet_addr("192.168.1.34")}, 16) = -1 EINPROGRESS (Operation now
in progress)
getsockopt(3, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
recv(3, "220 Serv-U FTP Server v9.3 ready"..., 8192, MSG_DONTWAIT) =
37
send(3, "USER marke\r\n", 12, MSG_DONTWAIT) = 12
recv(3, "331 User name okay, need passwor"..., 8192, MSG_DONTWAIT) =
36
send(3, "PASS ebbers\r\n", 13, MSG_DONTWAIT) = 13
recv(3, "230 User logged in, proceed.\r\n", 8192, MSG_DONTWAIT) = 30
send(3, "TYPE I\r\n", 8, MSG_DONTWAIT)  = 8
recv(3, "200 Type set to I.\r\n", 8192, MSG_DONTWAIT) = 20
send(3, "SIZE /bin2\r\n", 12, MSG_DONTWAIT) = 12
recv(3, "550 /bin2: No such file.\r\n", 8192, MSG_DONTWAIT) = 26
send(3, "EPSV\r\n", 6, MSG_DONTWAIT)    = 6
recv(3, "500 'EPSV': command not understo"..., 8192, MSG_DONTWAIT) =
37
send(3, "PASV\r\n", 6, MSG_DONTWAIT)    = 6
recv(3, "227 Entering Passive Mode (192,1"..., 8192, MSG_DONTWAIT) =
47
send(3, "STOR /bin2\r\n", 12, MSG_DONTWAIT) = 12
socket(PF_NETLINK, SOCK_RAW, 0)         = 4
bind(4, {sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 0
getsockname(4, {sa_family=AF_NETLINK, pid=6499, groups=00000000}, [12])
= 0
sendto(4, "\24\0\0\0\26\0\1\3\220\321oK\0\0\0\0\0\0\0\0", 20, 0,
{sa_family=AF_NETLINK, pid=0, groups=00000000}, 12) = 20
recvmsg(4, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"0\0\0\0\24\0\2\0\220\321oKc\31\0\0\2\10\200\376\1\0\0\0\10\0\1\0\177\0\0\1"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 228
recvmsg(4, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"@\0\0\0\24\0\2\0\220\321oKc\31\0\0\n\200\200\376\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 256
recvmsg(4, {msg_name(12)={sa_family=AF_NETLINK, pid=0,
groups=00000000},
msg_iov(1)=[{"\24\0\0\0\3\0\2\0\220\321oKc\31\0\0\0\0\0\0\1\0\0\0\24\0\1\0\0\0\0\0"...,
4096}], msg_controllen=0, msg_flags=0}, 0) = 20
socket(PF_INET, SOCK_STREAM, IPPROTO_IP) = 4
connect(4, {sa_family=AF_INET, sin_port=htons(1097),
sin_addr=inet_addr("192.168.1.34")}, 16) = -1 EINPROGRESS (Operation now
in progress)
getsockopt(4, SOL_SOCKET, SO_ERROR, [0], [4]) = 0
recv(3, "150 Opening BINARY mode data con"..., 8192, MSG_DONTWAIT) =
51
send(4, ".0.1.2.3.4.5.6.7.8.9.10.11.12.13"..., 8192, MSG_DONTWAIT) =
8192
send(4, "860.1861.1862.1863.1864.1865.186"..., 8192, MSG_DONTWAIT) =
8192
send(4, "8.3499.3500.3501.3502.3503.3504."..., 8192, MSG_DONTWAIT) =
8192
send(4, "5137.5138.5139.5140.5141.5142.51"..., 8192, MSG_DONTWAIT) =
8192
send(4, "75.6776.6777.6778.6779.6780.6781"..., 8192, MSG_DONTWAIT) =
3432
send(4, ".7462.7463.7464.7465.7466.7467.7"..., 8192, MSG_DONTWAIT) = -1
EAGAIN (Resource temporarily unavailable)
send(4, ".7462.7463.7464.7465.7466.7467.7"..., 8192, MSG_DONTWAIT) =
8192
send(4, "100.9101.9102.9103.9104.9105.910"..., 8192, MSG_DONTWAIT) =
8192
send(4, "0.951.952.953.954.955.956.957.95"..., 8192, MSG_DONTWAIT) =
8192
send(4, ".2599.2600.2601.2602.2603.2604.2"..., 8192, MSG_DONTWAIT) =
8192
send(4, "237.4238.4239.4240.4241.4242.424"..., 8192, MSG_DONTWAIT) =
3432
send(4, "3.4924.4925.4926.4927.4928.4929."..., 8192, MSG_DONTWAIT) =
8192
send(4, "6562.6563.6564.6565.6566.6567.65"..., 8192, MSG_DONTWAIT) =
8192
send(4, "00.8201.8202.8203.8204.8205.8206"..., 8192, MSG_DONTWAIT) =
8192
send(4, ".9839.9840.9841.9842.9843.9844.9"..., 8192, MSG_DONTWAIT) =
7280
send(4, "6.1517.1518.1519.1520.1521.1522."..., 8192, MSG_DONTWAIT) = -1
EAGAIN (Resource temporarily unavailable)
send(4, "6.1517.1518.1519.1520.1521.1522."..., 8192, MSG_DONTWAIT) =
8192
send(4, "3155.3156.3157.3158.3159.3160.31"..., 8192, MSG_DONTWAIT) =
8192
send(4, "93.4794.4795.4796.4797.4798.4799"..., 8192, MSG_DONTWAIT) =
8192
send(4, ".6432.6433.6434.6435.6436.6437.6"..., 8192, MSG_DONTWAIT) =
8192
send(4, "070.8071.8072.8073.8074.8075.807"..., 8192, MSG_DONTWAIT) =
8192
send(4, "8.9709.9710.9711.9712.9713.9714."..., 8192, MSG_DONTWAIT) =
8192
send(4, ".1569.1570.1571.1572.1573.1574.1"..., 8192, MSG_DONTWAIT) =
8192
send(4, "207.3208.3209.3210.3211.3212.321"..., 8192, MSG_DONTWAIT) =
6368
send(4, ".4481.4482.4483.4484.4485.4486.4"..., 8192, MSG_DONTWAIT) = -1
EAGAIN (Resource temporarily unavailable)
send(4, ".4481.4482.4483.4484.4485.4486.4"..., 8192, MSG_DONTWAIT) =
8192
send(4, "119.6120.6121.6122.6123.6124.612"..., 8192, MSG_DONTWAIT) =
8192
send(4, "7.7758.7759.7760.7761.7762.7763."..., 8192, MSG_DONTWAIT) =
8192
send(4, "9396.9397.9398.9399.9400.9401.94"..., 8192, MSG_DONTWAIT) =
8192
send(4, "256.1257.1258.1259.1260.1261.126"..., 8192, MSG_DONTWAIT) =
8192
send(4, "4.2895.2896.2897.2898.2899.2900."..., 8192, MSG_DONTWAIT) =
8192
send(4, "4533.4534.4535.4536.4537.4538.45"..., 8192, MSG_DONTWAIT) =
8192
send(4, "71.6172.6173.6174.6175.6176.6177"..., 8192, MSG_DONTWAIT) =
6368
send(4, "7445.7446.7447.7448.7449.7450.74"..., 8192, MSG_DONTWAIT) =
8192
send(4, "83.9084.9085.9086.9087.9088.9089"..., 8192, MSG_DONTWAIT) =
8192
send(4, "9.930.931.932.933.934.935.936.93"..., 8192, MSG_DONTWAIT) =
8192
send(4, "2582.2583.2584.2585.2586.2587.25"..., 8192, MSG_DONTWAIT) =
8192
send(4, "20.4221.4222.4223.4224.4225.4226"..., 8192, MSG_DONTWAIT) =
8192
send(4, ".5859.5860.5861.5862.5863.5864.5"..., 8192, MSG_DONTWAIT) =
8192
send(4, "497.7498.7499.7500.7501.7502.750"..., 8192, MSG_DONTWAIT) =
8192
send(4, "5.9136.9137.9138.9139.9140.9141."..., 4322, MSG_DONTWAIT) =
4322
Written: 0293346\n
send(3, "QUIT\r\n", 6, MSG_DONTWAIT)    = 6





------------------------------------------------------------------------


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