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
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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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@ -5,7 +5,7 @@
.\" * | (__| |_| | _ <| |___
.\" * \___|\___/|_| \_\_____|
.\" *
.\" * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" * Copyright (C) 1998 - 2022, Daniel Stenberg, <daniel@haxx.se>, et al.
.\" *
.\" * This software is licensed as described in the file COPYING, which
.\" * you should have received as part of this distribution. The terms
@ -73,6 +73,9 @@ use of a proxy, even if there is an environment variable set for it.
A proxy host string can also include protocol scheme (http://) and embedded
user + password.
Unix domain sockets are supported for socks proxies since 7.84.0. Set
localhost for the host part. e.g. socks5h://localhost/path/to/socket.sock
The application does not have to keep the string around after setting this
option.
.SH "Environment variables"