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

/dev/fd/123


Timothe Litt
ACM Distinguished Engineer
--------------------------
This communication may not represent the ACM or my employer's views,
if any, on the matters discussed.

On 20-Jun-23 15:44, Rich Gray via curl-users wrote:
> Erik Sjölund via curl-users wrote:
> > ...
>
> 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.
>
> -K '&3'
> --config \&${config_fd}
>
>>
>> Regarding the user interface, a new command-line argument could be added
>>
>> For example:
>> --unix-socket-fdname myfdname
>
> --unix-socket \&${sock_fd}
>
>>
>> A side note: OpenFile= could also be used for opening normal files.
>> In addition to the already existing command-line argument
>> --proxy-cacert
>> a new command-line argument
>> --proxy-cacert-fdname myfdname
>> could be added.
>
> --proxy-cacert '&4'
>
>
> Rich

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