I'm using umask 000 to make it world writable on creation, but AFAIK
this creates a race condition, I only want the process to be listening
on a world-writable socket after it's chrooted.
When I don't use a process umask of 000 I get an EACCES error when
trying to write to the socket with another user (since it's 755).
I just read in chmod(2) "[EINVAL] fd refers to a socket, not to a
file.". So with ignored you mean you can't chmod a socket after
creation, and not that permissions are ignored when accessing the socket?
Is it possible to create a world writable socket and start listening
after I've chrooted to /var/empty?
-Tim
ps. I've read on SO socket permissions on unix are ignored, but I can
confirm this is not the case on OS X, and unix(4) on OpenBSD states
"Normal filesystem access-control mechanisms are also applied when
referencing pathnames; e.g., the destination of a connect(2) or
sendto(2) must be writable."
Aredridel schreef op 17-11-14 om 15:28:
Permissions on Unix domain sockets are ignored, but set initially in the
metadata by the process umask.
Aria
On Nov 17, 2014 8:24 AM, Tim Kuijsten <[email protected]> wrote:
I'd like to make a UNIX domain socket world writable after I've
chrooted. But I have two problems.
Using fs.open on a socket throws errno: -1, code: 'UNKNOWN'.
I've also tried to get a handle using net.connect:
var socket = net.connect(path);
var fd = socket._handle.fd;
fs.fchmod(fd, '666', ..
but this gives [Error: EINVAL, fchmod] errno: 18, code: 'EINVAL'
How can I get a file descriptor to a socket so that I can use fd.fchmod?
-Tim
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