RE: Possible bug in CURL

From: Włodzimierz O. Kubera via curl-users <curl-users_at_lists.haxx.se>
Date: Wed, 26 Jul 2023 17:17:23 +0200

Hello.

I highly appreciate the answer, but I have wanted to report a new problem with my custom build.
If msh3 is supported by curl, it needs to be verified by the developer-where the error is.

P. S.
Msquic can be officially used on MS Windows servers, it is a great piece of software.

Greetings.


-----Original Message-----
From: Stefan Eissing <stefan_at_eissing.org>
Sent: Tuesday, July 25, 2023 6:09 PM
To: curl-users - the curl tool <curl-users_at_lists.haxx.se>
Cc: "Włodzimierz O. Kubera" <wlodzimierz_at_kubera.info>
Subject: Re: Possible bug in CURL



> Am 25.07.2023 um 17:52 schrieb Włodzimierz O. Kubera via curl-users <curl-users_at_lists.haxx.se>:
>
> Hello, I have a curl build:
> curl 8.2.1-DEV (x86_64-pc-win32) libcurl/8.2.1-DEV Schannel
> msh3/0.6.0.0
> Release-Date: [unreleased]
> Protocols: http https
> Features: alt-svc AsynchDNS HSTS HTTP3 HTTPS-proxy IPv6 Kerberos
> Largefile NTLM SPNEGO SSL SSPI threadsafe UnixSockets I have a problem:
> This command hangs:
> curl --http3 https://www.google.com
> It worked in the past. Would you check it, please?
> The same problem on libCURL.

I just build the current curl with msh3

curl 8.2.1-DEV (x86_64-apple-darwin22.5.0) libcurl/8.2.1-DEV OpenSSL/3.0.9 zlib/1.2.11 brotli/1.0.9 zstd/1.5.5 c-ares/1.19.1 libidn2/2.3.4 libssh2/1.11.0 nghttp2/1.55.0 msh3/0.6.0.0 librtmp/2.3
Release-Date: [unreleased]
Protocols: dict file ftp ftps gopher gophers http https imap imaps ldap ldaps mqtt pop3 pop3s rtmp rtsp scp sftp smb smbs smtp smtps telnet tftp ws wss
Features: alt-svc AsynchDNS brotli Debug GSS-API HSTS HTTP2 HTTP3 HTTPS-proxy IDN IPv6 Kerberos Largefile libz NTLM NTLM_WB SPNEGO SSL threadsafe TLS-SRP TrackMemory UnixSockets zstd

and

> ./src/curl -v --http3 https://www.google.com <https://www.google.com/>

works for me with a rare hanger, I am unable to reproduce. Note that msh3 itself is quite a bit from bein a complete implementation.

The library currently best for HTTP/3 support is libngtcp2. libquiche from Cloudflare also works well.

Hope this helps,

Stefan

> Greetings
> Wlodzimierz Kubera
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Received on 2023-07-26