socks: support unix sockets for socks proxy

Usage:
  curl -x "socks5h://localhost/run/tor/socks" "https://example.com"

Updated runtests.pl to run a socksd server listening on unix socket

Added tests test1467 test1468

Added documentation for proxy command line option and socks proxy
options

Closes #8668
This commit is contained in:
Balakrishnan Balasubramanian 2022-05-19 15:33:22 +02:00 committed by Daniel Stenberg
parent ee52bead4d
commit dfa84a0450
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12 changed files with 240 additions and 23 deletions

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@ -9,6 +9,9 @@ See-also: socks5-hostname socks4a
Use the specified SOCKS5 proxy - but resolve the host name locally. If the
port number is not specified, it is assumed at port 1080.
To specify proxy on a unix domain socket, use localhost for host, e.g.
socks5://localhost/path/to/socket.sock
This option overrides any previous use of --proxy, as they are mutually
exclusive.