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Re: Combination of --unix-socket and --proxy http://...
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From: Stefan Eissing via curl-library <curl-library_at_lists.haxx.se>
Date: Fri, 15 May 2026 14:18:15 +0200
> Am 15.05.2026 um 12:23 schrieb Stefan Eissing via curl-library <curl-library_at_lists.haxx.se>:
>
>
>
>> Am 15.05.2026 um 12:05 schrieb Fabian Keil via curl-library <curl-library_at_lists.haxx.se>:
>>
>> After updating git master today I noticed that tests
>> 1435 and 1436 fail when trying to run them through Privoxy's
>> test framework.
>>
>> I have not yet bisected to see why the tests fail now and
>> appeared to work previously but suspect that Privoxy silently
>> wasn't being used and I just wasn't aware of it.
>>
>> Currently the failure for test 1435 looks like this:
>>
>> fk_at_t520 ~ $~/git/privoxy/tests/cts/run-privoxy-tests.sh -t upstream-tests -- -v 1435
>> Passing remaining arguments to runtests-wrapper.sh: -v 1435
>> Test scenario: upstream-tests
>> Not setting TESTDIR
>> Using curl: /home/fk/git/curl/src/curl
>> CMD (0): /home/fk/git/curl/src/curl --version 1>log/curlverout.log 2>log/curlvererr.log
>> ********* System characteristics ********
>> * curl 8.21.0-DEV (amd64-unknown-freebsd15.1)
>> * libcurl/8.21.0-DEV OpenSSL/3.0.19 zlib/1.3.2 brotli/1.2.0 zstd/1.5.7 libidn2/2.3.8 libpsl/0.21.5 nghttp2/1.68.1
>> * Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns mqtt mqtts pop3 pop3s smtp smtps telnet tftp ws wss
>> * Features: alt-svc AsynchDNS brotli Debug HSTS HTTP2 HTTPS-proxy IDN IPv6 Largefile libz PSL SSL threadsafe TLS-SRP UnixSockets zstd
>> * Disabled: win32-ca-searchpath, win32-ca-search-safe, override-dns, ssl-sessions
>> * Host: t520.local
>> * System: ElectroBSD t520.local 15.1-STABLE ElectroBSD 15.1-STABLE #64 electrobsd-15-n283851-9c91bf3b2a6e: 2026-05-13 00:59:16 +0000 fk_at_t520.local:/usr/obj/usr/src/amd64.amd64/sys/ELECTRO_BEER amd64
>> * OS: freebsd
>> * Perl: v5.42.2 (/usr/local/bin/perl)
>> * Args: -c /home/fk/git/curl/src/curl -L /home/fk/git/privoxy/tests/cts/privoxy-runtests.pm -P http://127.0.0.1:9119/ -E /home/fk/git/privoxy/tests/cts/curl-test-manifest-for-privoxy -a -n HTTP !skip HTTP -v 1435
>> * Seed: 260565
>> * Servers: SSL HTTP-IPv6 HTTP-unix FTP-IPv6
>> *****************************************
>> DISABLED: test 323
>> DISABLED: test 594
>> DISABLED: test 836
>> DISABLED: test 882
>> DISABLED: test 938
>> DISABLED: test 1182
>> DISABLED: test 1184
>> DISABLED: test 1209
>> DISABLED: test 1211
>> DISABLED: test 1307
>> DISABLED: test 1316
>> DISABLED: test 1512
>> DISABLED: test 1801
>> DISABLED: test 2043
>> startnew: /usr/local/bin/perl -I. -I. ./http-server.pl --keepalive 30 --pidfile "log/server/http_unix_server.pid" --logfile "log/http_unix_server.log" --logdir "log" --portfile log/server/http_unix_server.port --config log/server.cmd --unix-socket '/home/fk/git/curl/tests/log/server/http-uds' --srcdir "."
>> RUN: HTTP-unix server is on PID 28 port 8999
>> * pid http-unix => 28 28
>> test 1435...[simple HTTP GET over Unix socket]
>> /home/fk/git/curl/src/curl -q --output log/curl1435.out --include --trace-ascii log/trace1435 --trace-time --unix-socket /home/fk/git/curl/tests/log/server/http-uds http://server-interpreted.example.com/1435 --proxy http://127.0.0.1:9119/ > log/stdout1435 2> log/stderr1435
>> CMD (14336): /home/fk/git/curl/src/curl -q --output log/curl1435.out --include --trace-ascii log/trace1435 --trace-time --unix-socket /home/fk/git/curl/tests/log/server/http-uds http://server-interpreted.example.com/1435 --proxy http://127.0.0.1:9119/ > log/stdout1435 2> log/stderr1435
>> Expecting crlf
>> Expecting no Connection: header
>> Expecting no Proxy-Connection: header
>> Skipping 'Proxy-Connection: Keep-Alive'
>>
>> 1435: protocol FAILED:
>> Unprocessed headers:
>> --- log/check-expected 2026-05-15 11:23:43.825752000 +0200
>> +++ log/check-generated 2026-05-15 11:23:43.825570000 +0200
>> _at__at_ -1,5 +1,5 _at__at_
>> -GET /1435 HTTP/1.1[CR][LF]
>> -Host: server-interpreted.example.com[CR][LF]
>> +CONNECT /home/fk/git/curl/tests/log/server/http-uds:0 HTTP/1.1[CR][LF]
>> +Host: /home/fk/git/curl/tests/log/server/http-uds:0[CR][LF]
>> User-Agent: curl/8.21.0-DEV[CR][LF]
>> -Accept: */*[CR][LF]
>> +Proxy-Connection: Keep-Alive[CR][LF]
>> [CR][LF]
>> Processed headers:
>> Expecting crlf
>> Expecting no Connection: header
>> Expecting no Proxy-Connection: header
>> Skipping 'Proxy-Connection: Keep-Alive'
>> --- log/check-expected 2026-05-15 11:23:43.833750000 +0200
>> +++ log/check-generated 2026-05-15 11:23:43.833643000 +0200
>> _at__at_ -1,5 +1,4 _at__at_
>> -GET /1435 HTTP/1.1[CR][LF]
>> -Host: server-interpreted.example.com[CR][LF]
>> +CONNECT /home/fk/git/curl/tests/log/server/http-uds:0 HTTP/1.1[CR][LF]
>> +Host: /home/fk/git/curl/tests/log/server/http-uds:0[CR][LF]
>> User-Agent: curl/8.21.0-DEV[CR][LF]
>> -Accept: */*[CR][LF]
>> [CR][LF]
>> * kill pid for http-unix => 28
>> RUN: Process with pid 28 signalled to die
>> RUN: Process with pid 28 gracefully died
>> TESTDONE: 1 tests were considered during 1 seconds.
>> TESTDONE: 0 tests out of 1 reported OK: 0%
>>
>> FAIL 1435: 'simple HTTP GET over Unix socket' HTTP, HTTP GET, UnixSockets
>>
>> TESTFAIL: These test cases failed: 1435
>>
>> As far as I can tell, Privoxy isn't actually being used and it
>> does not support Unix domain sockets anyway.
>>
>> I obviously don't actually expect the test to work when using Privoxy
>> and only bring this up because the generated request looks invalid to
>> me.
>>
>> Is the combination of --unix-socket and --proxy http://... expected
>> to work?
>
> --unix-socket should disable proxy arguments.
>
> Looks like a bug in master.
I added a test and fix in https://github.com/curl/curl/pull/21630
- Stefan
>
>>
>> If not, it should probably be explicitly rejected.
>>
>> Fabian
>> --
>> Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library
>> Etiquette: https://curl.se/mail/etiquette.html
>
> --
> Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library
> Etiquette: https://curl.se/mail/etiquette.html
Date: Fri, 15 May 2026 14:18:15 +0200
> Am 15.05.2026 um 12:23 schrieb Stefan Eissing via curl-library <curl-library_at_lists.haxx.se>:
>
>
>
>> Am 15.05.2026 um 12:05 schrieb Fabian Keil via curl-library <curl-library_at_lists.haxx.se>:
>>
>> After updating git master today I noticed that tests
>> 1435 and 1436 fail when trying to run them through Privoxy's
>> test framework.
>>
>> I have not yet bisected to see why the tests fail now and
>> appeared to work previously but suspect that Privoxy silently
>> wasn't being used and I just wasn't aware of it.
>>
>> Currently the failure for test 1435 looks like this:
>>
>> fk_at_t520 ~ $~/git/privoxy/tests/cts/run-privoxy-tests.sh -t upstream-tests -- -v 1435
>> Passing remaining arguments to runtests-wrapper.sh: -v 1435
>> Test scenario: upstream-tests
>> Not setting TESTDIR
>> Using curl: /home/fk/git/curl/src/curl
>> CMD (0): /home/fk/git/curl/src/curl --version 1>log/curlverout.log 2>log/curlvererr.log
>> ********* System characteristics ********
>> * curl 8.21.0-DEV (amd64-unknown-freebsd15.1)
>> * libcurl/8.21.0-DEV OpenSSL/3.0.19 zlib/1.3.2 brotli/1.2.0 zstd/1.5.7 libidn2/2.3.8 libpsl/0.21.5 nghttp2/1.68.1
>> * Protocols: dict file ftp ftps gopher gophers http https imap imaps ipfs ipns mqtt mqtts pop3 pop3s smtp smtps telnet tftp ws wss
>> * Features: alt-svc AsynchDNS brotli Debug HSTS HTTP2 HTTPS-proxy IDN IPv6 Largefile libz PSL SSL threadsafe TLS-SRP UnixSockets zstd
>> * Disabled: win32-ca-searchpath, win32-ca-search-safe, override-dns, ssl-sessions
>> * Host: t520.local
>> * System: ElectroBSD t520.local 15.1-STABLE ElectroBSD 15.1-STABLE #64 electrobsd-15-n283851-9c91bf3b2a6e: 2026-05-13 00:59:16 +0000 fk_at_t520.local:/usr/obj/usr/src/amd64.amd64/sys/ELECTRO_BEER amd64
>> * OS: freebsd
>> * Perl: v5.42.2 (/usr/local/bin/perl)
>> * Args: -c /home/fk/git/curl/src/curl -L /home/fk/git/privoxy/tests/cts/privoxy-runtests.pm -P http://127.0.0.1:9119/ -E /home/fk/git/privoxy/tests/cts/curl-test-manifest-for-privoxy -a -n HTTP !skip HTTP -v 1435
>> * Seed: 260565
>> * Servers: SSL HTTP-IPv6 HTTP-unix FTP-IPv6
>> *****************************************
>> DISABLED: test 323
>> DISABLED: test 594
>> DISABLED: test 836
>> DISABLED: test 882
>> DISABLED: test 938
>> DISABLED: test 1182
>> DISABLED: test 1184
>> DISABLED: test 1209
>> DISABLED: test 1211
>> DISABLED: test 1307
>> DISABLED: test 1316
>> DISABLED: test 1512
>> DISABLED: test 1801
>> DISABLED: test 2043
>> startnew: /usr/local/bin/perl -I. -I. ./http-server.pl --keepalive 30 --pidfile "log/server/http_unix_server.pid" --logfile "log/http_unix_server.log" --logdir "log" --portfile log/server/http_unix_server.port --config log/server.cmd --unix-socket '/home/fk/git/curl/tests/log/server/http-uds' --srcdir "."
>> RUN: HTTP-unix server is on PID 28 port 8999
>> * pid http-unix => 28 28
>> test 1435...[simple HTTP GET over Unix socket]
>> /home/fk/git/curl/src/curl -q --output log/curl1435.out --include --trace-ascii log/trace1435 --trace-time --unix-socket /home/fk/git/curl/tests/log/server/http-uds http://server-interpreted.example.com/1435 --proxy http://127.0.0.1:9119/ > log/stdout1435 2> log/stderr1435
>> CMD (14336): /home/fk/git/curl/src/curl -q --output log/curl1435.out --include --trace-ascii log/trace1435 --trace-time --unix-socket /home/fk/git/curl/tests/log/server/http-uds http://server-interpreted.example.com/1435 --proxy http://127.0.0.1:9119/ > log/stdout1435 2> log/stderr1435
>> Expecting crlf
>> Expecting no Connection: header
>> Expecting no Proxy-Connection: header
>> Skipping 'Proxy-Connection: Keep-Alive'
>>
>> 1435: protocol FAILED:
>> Unprocessed headers:
>> --- log/check-expected 2026-05-15 11:23:43.825752000 +0200
>> +++ log/check-generated 2026-05-15 11:23:43.825570000 +0200
>> _at__at_ -1,5 +1,5 _at__at_
>> -GET /1435 HTTP/1.1[CR][LF]
>> -Host: server-interpreted.example.com[CR][LF]
>> +CONNECT /home/fk/git/curl/tests/log/server/http-uds:0 HTTP/1.1[CR][LF]
>> +Host: /home/fk/git/curl/tests/log/server/http-uds:0[CR][LF]
>> User-Agent: curl/8.21.0-DEV[CR][LF]
>> -Accept: */*[CR][LF]
>> +Proxy-Connection: Keep-Alive[CR][LF]
>> [CR][LF]
>> Processed headers:
>> Expecting crlf
>> Expecting no Connection: header
>> Expecting no Proxy-Connection: header
>> Skipping 'Proxy-Connection: Keep-Alive'
>> --- log/check-expected 2026-05-15 11:23:43.833750000 +0200
>> +++ log/check-generated 2026-05-15 11:23:43.833643000 +0200
>> _at__at_ -1,5 +1,4 _at__at_
>> -GET /1435 HTTP/1.1[CR][LF]
>> -Host: server-interpreted.example.com[CR][LF]
>> +CONNECT /home/fk/git/curl/tests/log/server/http-uds:0 HTTP/1.1[CR][LF]
>> +Host: /home/fk/git/curl/tests/log/server/http-uds:0[CR][LF]
>> User-Agent: curl/8.21.0-DEV[CR][LF]
>> -Accept: */*[CR][LF]
>> [CR][LF]
>> * kill pid for http-unix => 28
>> RUN: Process with pid 28 signalled to die
>> RUN: Process with pid 28 gracefully died
>> TESTDONE: 1 tests were considered during 1 seconds.
>> TESTDONE: 0 tests out of 1 reported OK: 0%
>>
>> FAIL 1435: 'simple HTTP GET over Unix socket' HTTP, HTTP GET, UnixSockets
>>
>> TESTFAIL: These test cases failed: 1435
>>
>> As far as I can tell, Privoxy isn't actually being used and it
>> does not support Unix domain sockets anyway.
>>
>> I obviously don't actually expect the test to work when using Privoxy
>> and only bring this up because the generated request looks invalid to
>> me.
>>
>> Is the combination of --unix-socket and --proxy http://... expected
>> to work?
>
> --unix-socket should disable proxy arguments.
>
> Looks like a bug in master.
I added a test and fix in https://github.com/curl/curl/pull/21630
- Stefan
>
>>
>> If not, it should probably be explicitly rejected.
>>
>> Fabian
>> --
>> Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library
>> Etiquette: https://curl.se/mail/etiquette.html
>
> --
> Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library
> Etiquette: https://curl.se/mail/etiquette.html
-- Unsubscribe: https://lists.haxx.se/mailman/listinfo/curl-library Etiquette: https://curl.se/mail/etiquette.htmlReceived on 2026-05-15