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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@ -128,6 +128,7 @@ Available substitute variables include:
- `%HTTPTLS6PORT` - IPv6 port number of the HTTP TLS server
- `%HTTPTLSPORT` - Port number of the HTTP TLS server
- `%HTTPUNIXPATH` - Path to the Unix socket of the HTTP server
- `%SOCKSUNIXPATH` - Absolute Path to the Unix socket of the SOCKS server
- `%IMAP6PORT` - IPv6 port number of the IMAP server
- `%IMAPPORT` - Port number of the IMAP server
- `%MQTTPORT` - Port number of the MQTT server