Edit report at https://bugs.php.net/bug.php?id=65285&edit=1
ID: 65285
User updated by: bugs dot php dot net at ss dot chernousov dot net
Reported by: bugs dot php dot net at ss dot chernousov dot net
Summary: socket_sendmsg() - accept numeric file descriptors
Status: Wont fix
Type: Feature/Change Request
Package: Sockets related
PHP Version: 5.5Git-2013-07-18 (Git)
Block user comment: N
Private report: N
New Comment:
Well, when you're dealing a lot with libevent, libev, libeio and other
"low-level"
stuff, there's no point to convert $fd from integer to zval using
fopen('php://fd/...') and then back within socket_sendmsg() each time, it's
just
useless waste of time. For example, when a script accepts new connections with
pecl_event, it gets $fd as an integer in callback, and then it has to forward
those $fd's to other processes using sendmsg.
So in general it's a matter of performance and optimization, especially in
pretty
loaded environments.
The suggested patch is extremely simple, the only thing it lacks is limiting to
cli sapi only.
Previous Comments:
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[2013-07-20 17:55:00] [email protected]
I don't see much point in it. In cli you can just open the file descriptor with
php://fd and then pass it to socket_sendmsg().
------------------------------------------------------------------------
[2013-07-18 23:01:09] bugs dot php dot net at ss dot chernousov dot net
I see your point, quite reasonable.
But isn't it possible to limit it to cli sapi only, like php://fd?
------------------------------------------------------------------------
[2013-07-18 22:39:00] [email protected]
Unfortunately, this kind of functionality has been strictly limited in the past
(php://fd has been limited to the cli sapi) under the rationale that it would
allow PHP to manipulate Apache's file descriptors (when running as module) or
whatever other file descriptors such as logs' or the the client connection
socket's.
I find the argument that this is a vulnerability unpersuasive, but that's the
conclusion that prevailed.
Won't fix.
------------------------------------------------------------------------
[2013-07-18 08:21:08] bugs dot php dot net at ss dot chernousov dot net
Description:
------------
It would be pretty useful if socket_sendmsg() could work not only with sockets,
but also with numeric file descriptors.
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