From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Robert Pluim Newsgroups: gmane.emacs.devel Subject: Re: ai_flags in calls to getaddrinfo, broader call for reproducibility check Date: Mon, 11 Jan 2021 13:42:58 +0100 Message-ID: <87o8hvd4q5.fsf@gmail.com> References: <83sg7mggls.fsf@gnu.org> <83czymc8nq.fsf@gnu.org> <74b7a0a9-0eb3-7944-19d2-f72424ee72d7@dasyatidae.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="14446"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Eli Zaretskii , emacs-devel@gnu.org To: Robin Tarsiger Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Jan 11 14:01:03 2021 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kywoh-0003eO-AH for ged-emacs-devel@m.gmane-mx.org; Mon, 11 Jan 2021 14:01:03 +0100 Original-Received: from localhost ([::1]:55224 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kywog-0004EG-8o for ged-emacs-devel@m.gmane-mx.org; Mon, 11 Jan 2021 08:01:02 -0500 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:36042) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kywXN-00080R-0b for emacs-devel@gnu.org; Mon, 11 Jan 2021 07:43:09 -0500 Original-Received: from mail-wr1-x42d.google.com ([2a00:1450:4864:20::42d]:46093) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kywXH-0008BZ-Ag; Mon, 11 Jan 2021 07:43:08 -0500 Original-Received: by mail-wr1-x42d.google.com with SMTP id d13so16210742wrc.13; Mon, 11 Jan 2021 04:43:01 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:mail-followup-to:mail-copies-to :gmane-reply-to-list:date:in-reply-to:message-id:mime-version :content-transfer-encoding; bh=+NmuHrUIBIUmYUuGILSbmySZugLTj7zndHLmIwoPzU0=; b=bQfk7Pda34VoHxoVB5zf/sOsYAMdQKiHsWJ5gMHdhGaepdjYIomddWbhU2XTSP6DkH 5LleqfZvwYSNboq8iAuCGp8RB86cs7Kq3UuGstEe+bYh/pNkmVAsUKt10SKSAORnAS8y m1KKH4VS3iASdSpblfrzjDa7gy8QpaamfiGi3ymSe6igGrVOEJ1PncYHZTxSCMND0sT8 XHwDQJ6hwYEv+4sV7DNEYV4I7ALMHNDiJSc0ils6LdQGIknWmVsUwkEo+RjOVOKcubWG PCEiAxKMj7P671OW54dRn8cnEUCkUG97cT1WQWPVVopmv/lR6wU/iImNIOolUf73SYKM ppYw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:references:mail-followup-to :mail-copies-to:gmane-reply-to-list:date:in-reply-to:message-id :mime-version:content-transfer-encoding; bh=+NmuHrUIBIUmYUuGILSbmySZugLTj7zndHLmIwoPzU0=; b=NcDWhDgEgAOMT25qOKHnEHQEuJUTfNuzAcxz9UBqNeDf2oTCfA+0qKp44++P9HmcvE dx2C8mcr/3SbnxJKFU0bmidfzAxQvtQEYkvqyzLRgThazuXJ/Y/0m0t2+Mult3G0de+d lE4E+xpvxwJ/mhva0LthpOjS+RPhu7NuZO5k77Lg4DokeEfOQHLtxORNm6nAEvSwJSZR 7VKX/vM0IHq5xaRZu72iuXDLchKR7vmZ7NlZfnNmb17O/gNnR7qRZqCsqYM5o3M3Ou+t 87i3oYWKcdtkHPQbasa5xZLV3k3RcTESjWhMt6bvgDBjA/No73L+X0vU1KkZkE9UxENz sIWQ== X-Gm-Message-State: AOAM532Z8itbpbMZGDDKIiWniyjLHsws5Lu6hDnpfyv4FBxLj9DD5ZdR kd4T1680jXKh4Jo4cp1LEJzE7j4TuTY= X-Google-Smtp-Source: ABdhPJxxYTZs/I0kISYIrexIs5mnJDgkmoDcl4n2+xeojeoYSRYjpk3GJNQW+czoB0+VmkLWRf+8cA== X-Received: by 2002:adf:eecc:: with SMTP id a12mr16063794wrp.312.1610368979592; Mon, 11 Jan 2021 04:42:59 -0800 (PST) Original-Received: from rltb ([2a01:e34:ecfc:a861:69b6:6aaf:dbd3:8964]) by smtp.gmail.com with ESMTPSA id f7sm26488741wmc.1.2021.01.11.04.42.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Jan 2021 04:42:58 -0800 (PST) Mail-Followup-To: emacs-devel@gnu.org Mail-Copies-To: never Gmane-Reply-To-List: yes In-Reply-To: <74b7a0a9-0eb3-7944-19d2-f72424ee72d7@dasyatidae.com> (Robin Tarsiger's message of "Mon, 11 Jan 2021 04:47:11 -0600") Received-SPF: pass client-ip=2a00:1450:4864:20::42d; envelope-from=rpluim@gmail.com; helo=mail-wr1-x42d.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:262904 Archived-At: Robin Tarsiger writes: > In the meantime, if others on the list would be willing to test these > on Windows and/or with unusual resolver configurations, especially > if you can get or point to a packet dump of how a Windows system > converts different getaddrinfo parameters to DNS requests on the > wire (and the responses, if comfortable with that), that would also > be useful. In particular, if this turns out to be specific to > Windows but not specific to that one host's network, then it may > make sense to set some flags conditioned on OS. I am also curious > whether AI_ALL _without_ AI_V4MAPPED does anything on Windows, per > what I mentioned upthread. > I=CA=BCve only been tangentially following this discussion, but my first reaction is that V4 mapped V6 addresses are best avoided. Either go for proper IPv6 connectivity or avoid IPv6 entirely.. > -RTT "Why is wanting things to be correct so messy sometimes" Such is life (and not just with technology). Robert