Re: feature request: support specifying Unix socket with systemd directive OpenFile=

Petr Pisar via curl-users <[email protected]> Wed, 21 Jun 2023 18:48:02 +0200

Newsgroups	gmane.comp.web.curl.general
Message-ID	<[email protected]>

V Tue, Jun 20, 2023 at 03:44:10PM -0400, Rich Gray via curl-users napsal(a):
> Instead of adding a -fd variant to each command, maybe a more generic 
> approach would be to have a syntax that indicates a filename is really an 
> fd.  Something like an ampersand followed by the digits of fd number.  (An 
> ampersand ('&') would require suitable command line escaping/quoting.)  This 
> could be used with any command that recognizes the alternative syntax.  A 
> favorite of mine would be -K, --config with an fd to hide command line 
> options when a program is driving curl.
> 
The syntax could be a URI. E.g. to use a fifth descriptor for reading
a configuration:

    --config fd://5

The only drawback is that it is an ill-formed, yet still accepted file
system path on many unices. E.g. Linux inteprets it as "./fd:/5". There would
be a change in behaviour for sloppy users who concatantes paths without
avoiding double slashes.

On the other hand, one could then write

    --config https://my.remote/file

to retrive the configuration with any curl-supported protocol.

-- Petr

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