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Request #55857 ftp_size on large files
Submitted: 2011-10-06 07:54 UTC Modified: 2018-07-23 15:41 UTC
Avg. Score:3.0 ± 0.8
Reproduced:2 of 2 (100.0%)
Same Version:1 (50.0%)
Same OS:1 (50.0%)
From: websupport at osite dot de Assigned:
Status: Analyzed Package: FTP related
PHP Version: 7.3.0alpha4 OS: Windows 64bit
Private report: No CVE-ID: None
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 [2011-10-06 07:54 UTC] websupport at osite dot de
ftp_size does not work on large files > 2gb event not on 64bit systems
can be fixed with the following patch


ftp_size_large_file (last revision 2011-10-06 07:55 UTC by websupport at osite dot de)

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 [2011-10-06 08:58 UTC]
-Status: Open +Status: Analyzed
 [2011-10-06 08:58 UTC]
It depends on the underlying API used for the network operations, the php's stream 

PHP's stream does not support yet LFS and cannot support it easily by only using 
long instead of int (while this breaks the api signature too).

Suspended until we have lfs support.
 [2013-07-23 16:48 UTC] daltoncaughell at gmail dot com
Stumbled across this issue just thought I would toss in my solution. Just queries 
the ftp server for the size and converts the resulting string to a double rather 
than an int.

$size = 0;
$result = ftp_raw($conn_id, "SIZE " . <file path>);
$parts = explode(" ", $result[0]);
if($parts[0] === "213") {
    $size = doubleval($parts[1]);
 [2013-07-23 17:36 UTC] lang at b1-systems dot de
The suggested patch uses long instead. 

Double is not a good value for file sizes as discussed here:
 [2018-07-23 15:41 UTC]
-Operating System: linux +Operating System: Windows 64bit -PHP Version: 5.3.8 +PHP Version: 7.3.0alpha4
 [2018-07-23 15:41 UTC]
This is fixed for 64bit POSIX systems as of PHP 5.4.20[1], and is
unlikely to get fixed for 32bit systems.  However, it won't work
for 64bit Windows, since the function uses atol()[2] which returns
a long.

[1] <;a=commit;h=a93a462>
[2] <>
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