I recently noticed that test 1543 fails when Privoxy is being used as proxy.
It's not a big deal and I can simply skip the test, however the failure looks interesting: test 1543...[CURLOPT_CURLU, URL with space and CURLINFO_EFFECTIVE_URL] 1543: stdout FAILED: Unprocessed headers: --- log/check-expected 2022-06-15 19:09:48.214336000 +0200 +++ log/check-generated 2022-06-15 19:09:48.214108000 +0200 @@ -1,5 +1,6 @@ +Invalid header received from client.[LF] res 0[LF] -status 200[LF] -redirects 1[LF] -effectiveurl http://127.0.0.1:20000/%20/with/%20space/15430002[LF] +status 400[LF] +redirects 0[LF] +effectiveurl http://127.0.0.1:20000/ /with/ space/ /file[LF] redirecturl blank[LF] fk@t520 ~/git/privoxy/tests/cts $tail -n 8 logs/upstream-tests.log 2022-06-15 19:09:48.208 800e12000 Connect: Waiting for the next client connection. Currently active threads: 1 2022-06-15 19:09:48.208 800e12e00 Connect: Accepted connection from 127.0.0.1 on socket 4 2022-06-15 19:09:48.208 800e12e00 Received: from socket 4: GET http://127.0.0.1:20000/ /with/ space/ /file HTTP/1.1\x0d\x0aHost: 127.0.0.1:20000\x0d\x0aAccept: */*\x0d\x0aProxy-Connection: Keep-Alive\x0d\x0a\x0d\x0a 2022-06-15 19:09:48.208 800e12e00 Writing: to socket 4: HTTP/1.1 400 Invalid header received from client\x0d\x0aContent-Type: text/plain\x0d\x0aConnection: close\x0d\x0a\x0d\x0aInvalid header received from client.\x0a 127.0.0.1 - - [15/Jun/2022:19:09:48 +0200] "Invalid request" 400 0 2022-06-15 19:09:48.208 800e12e00 Error: Couldn't parse request line received from 127.0.0.1: Parse error 2022-06-15 19:09:48.208 800e12e00 Connect: Closing client socket 4. Keep-alive: 0. Socket alive: 1. Data available: 0. Configuration file change detected: 0. Requests received: 1. 2022-06-15 19:09:53.596 800e12000 Info: exiting by signal 15 .. bye My interpretation is that libcurl encodes the spaces in the URL when run without proxy (and the test's <protocol> section seems to indicate that this is expected) but not when a proxy is being used. Fabian
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