From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Kazuhiro Ito Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 31 Mar 2020 08:48:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: report 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: 40343@debbugs.gnu.org X-Debbugs-Original-To: bug-gnu-emacs@gnu.org Received: via spool by submit@debbugs.gnu.org id=B.158564442314740 (code B ref -1); Tue, 31 Mar 2020 08:48:01 +0000 Received: (at submit) by debbugs.gnu.org; 31 Mar 2020 08:47:03 +0000 Received: from localhost ([127.0.0.1]:35488 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJCY3-0003pf-5E for submit@debbugs.gnu.org; Tue, 31 Mar 2020 04:47:03 -0400 Received: from lists.gnu.org ([209.51.188.17]:43954) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJCY1-0003pC-BN for submit@debbugs.gnu.org; Tue, 31 Mar 2020 04:47:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59128) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jJCY0-0003JW-7L for bug-gnu-emacs@gnu.org; Tue, 31 Mar 2020 04:47:01 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RCVD_IN_DNSWL_NONE autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jJCXx-00025R-GF for bug-gnu-emacs@gnu.org; Tue, 31 Mar 2020 04:46:58 -0400 Received: from snd00005.auone-net.jp ([111.86.247.5]:15648 helo=dmta0001.auone-net.jp) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jJCXw-0001xk-W9 for bug-gnu-emacs@gnu.org; Tue, 31 Mar 2020 04:46:57 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0001.auone-net.jp with ESMTP id <20200331084649771.PAEA.91868.kzhr.d1.dion.ne.jp@dmta0001.auone-net.jp>; Tue, 31 Mar 2020 17:46:49 +0900 Date: Tue, 31 Mar 2020 17:46:47 +0900 Message-ID: From: Kazuhiro Ito X-Hashcash: 1:20:200331:bug-gnu-emacs@gnu.org::bupCkVKEPPro7DOf:000000000000000000000000000000000000000056rZ User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?Q?Goj=C5=8D?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-w64-mingw32) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=ISO-2022-JP X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 111.86.247.5 X-Spam-Score: 0.3 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) dns-set-servers function fails to set dns-servers on Windows with IPv6 available network. (progn (require 'dns) (dns-set-servers) dns-servers) -> (nil) The reason is that Windows's nslookup program returns server's IPv6 address if availeble but dns-set-servers function assumes that server's address is always IPv4. > C:\>nslookup localhost > サーバー: server.lan > Address: xxxx:xxxx:xxxx::1 > > 名前: localhost.lan > Addresses: ::1 > 127.0.0.1 # "サーバー" and "名前" are Japanese translations for "Server" and # "Name", respectively. From dns-set-servers definition in lisp/net/dns.el > (re-search-forward > "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) -- Kazuhiro Ito From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 31 Mar 2020 09:52:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Kazuhiro Ito Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.15856482681923 (code B ref 40343); Tue, 31 Mar 2020 09:52:01 +0000 Received: (at 40343) by debbugs.gnu.org; 31 Mar 2020 09:51:08 +0000 Received: from localhost ([127.0.0.1]:35560 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJDY3-0000Ux-Pl for submit@debbugs.gnu.org; Tue, 31 Mar 2020 05:51:07 -0400 Received: from mail-wr1-f44.google.com ([209.85.221.44]:44335) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJDXy-0000UQ-B5 for 40343@debbugs.gnu.org; Tue, 31 Mar 2020 05:51:06 -0400 Received: by mail-wr1-f44.google.com with SMTP id m17so25032193wrw.11 for <40343@debbugs.gnu.org>; Tue, 31 Mar 2020 02:51:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :mime-version:content-transfer-encoding; bh=LTF6VgDBUG2Wtw0OnpVAQLV14+cdDKcN4MimLNguIAE=; b=rhEkmYAHb3pC3t5KqQiuCzKQJGpc9oedSX09T55outHQj1AI1Y3Hy7/Hr3o+TyWvB2 YO4shXJQ2u9Dl7WHqsb6GtG2jvemNVIfI+C8Ve2yHwCZBM1ThuqHzk2HSyPnUAFxQTkj SpovJkIcVwGfwl5LBiyh2GWOHm4OUFwrwWlM7lXVWC4hgEdW/ObnGfs26VlwWVSEnyLG TOrE3iWSxRqFDHvtmyiO+9pIRpQ2LP22eEPRWx94lvVdQdF7zCzW+RyLdSA2V9GxHRxG VCqXvQ4T1ivXR3nMa3/GyUT+GdEsoiQNWV08OyldW8Ns3DrfyNtLnA0O2VL8S2sDJbjK fhIA== 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:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=LTF6VgDBUG2Wtw0OnpVAQLV14+cdDKcN4MimLNguIAE=; b=hzzqBUGX0vuxHpsKzemQWKP7HUKCsKSSXYEevwpxGb/NPWGBo72+AFQ7pheMOQZpCC nXKQOj0gpRaQN/8wa8zSTYsoO7HvUi7nzxL3k1grtXRvGmSccEMuJ08zHHsI1k3K9lCl GF/ABGZdLhxZpKoVjU3cil9fyATyx9DcUI+7M+8MvySJK+vAxc6EXgJbWqKsclvlFyqd FKKZwhmlpCTb53Y35a6e68yleDTnWAJQLXiEWxQvil0ymDTkzZkrWTSXMvj460U9lKSs IQlps3pSNVRHmAhQqIuur8DMnxrPmllGRCSmDzyWrdumXCU9nykPnA5CabWsxlLHnIY6 dsbQ== X-Gm-Message-State: ANhLgQ0X5V0cAi//Zpu63fJ74v7XsJpyxJylaAZbUZmiwn6VdleH5EzW wx+0k8uVECOvnzqoqURDm+q896iK X-Google-Smtp-Source: ADFU+vuVYkl+3sUgPxJJwQeLsuvLoBKVEP7mIw2QXg+Q+zXFlvpQOZY/kapPgT9z2O55uaFvOMlOKA== X-Received: by 2002:adf:ef51:: with SMTP id c17mr19328577wrp.130.1585648256092; Tue, 31 Mar 2020 02:50:56 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:65f2:9a92:2c96:9204]) by smtp.gmail.com with ESMTPSA id a64sm3161151wmh.39.2020.03.31.02.50.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2020 02:50:55 -0700 (PDT) From: Robert Pluim References: Date: Tue, 31 Mar 2020 11:50:54 +0200 In-Reply-To: (Kazuhiro Ito's message of "Tue, 31 Mar 2020 17:46:47 +0900") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Tue, 31 Mar 2020 17:46:47 +0900, Kazuhiro Ito = said: Kazuhiro> dns-set-servers function fails to set dns-servers on Windows = with IPv6 Kazuhiro> available network. Kazuhiro> (progn Kazuhiro> (require 'dns) Kazuhiro> (dns-set-servers) Kazuhiro> dns-servers) -> (nil) dns.el isn=CA=BCt going to work on Windows anyway, since Emacs doesn=CA=BCt support UDP network processes on Windows. You can use 'network-lookup-address-info' (builtin) or 'nslookup-host' (from net-utils.el) instead. Kazuhiro> From dns-set-servers definition in lisp/net/dns.el >> (re-search-forward >> "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) That could be fixed, I suppose. Robert From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Kazuhiro Ito Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 31 Mar 2020 11:07:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Robert Pluim Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158565281917751 (code B ref 40343); Tue, 31 Mar 2020 11:07:01 +0000 Received: (at 40343) by debbugs.gnu.org; 31 Mar 2020 11:06:59 +0000 Received: from localhost ([127.0.0.1]:35611 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJEjT-0004cF-De for submit@debbugs.gnu.org; Tue, 31 Mar 2020 07:06:59 -0400 Received: from snd00003.auone-net.jp ([111.86.247.3]:5441 helo=dmta0002.auone-net.jp) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJEjQ-0004by-AD for 40343@debbugs.gnu.org; Tue, 31 Mar 2020 07:06:58 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0002.auone-net.jp with ESMTP id <20200331110652803.PCRS.69332.kzhr.d1.dion.ne.jp@dmta0002.auone-net.jp>; Tue, 31 Mar 2020 20:06:52 +0900 Date: Tue, 31 Mar 2020 20:06:50 +0900 Message-ID: From: Kazuhiro Ito In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?Q?Goj=C5=8D?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-pc-cygwin) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > Kazuhiro> dns-set-servers function fails to set dns-servers on Window= s with IPv6 > Kazuhiro> available network. >=20 > Kazuhiro> (progn > Kazuhiro> (require 'dns) > Kazuhiro> (dns-set-servers) > Kazuhiro> dns-servers) >=20 > -> (nil) >=20 > dns.el isn=CA=BCt going to work on Windows anyway, since Emacs doesn=CA= =BCt > support UDP network processes on Windows. Cygwin's Emacs, which seems to support UDP network processes, uses Windows's nslookup.exe, so has this problem too. =20 # Actually I don't directly use dns.el. It is gravatar.el which uses # dns.el. --=20 Kazuhiro Ito From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 31 Mar 2020 13:02:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Kazuhiro Ito Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.15856596779552 (code B ref 40343); Tue, 31 Mar 2020 13:02:02 +0000 Received: (at 40343) by debbugs.gnu.org; 31 Mar 2020 13:01:17 +0000 Received: from localhost ([127.0.0.1]:35725 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJGW4-0002Tv-FV for submit@debbugs.gnu.org; Tue, 31 Mar 2020 09:01:16 -0400 Received: from mail-wm1-f52.google.com ([209.85.128.52]:52991) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJGW2-0002T9-17 for 40343@debbugs.gnu.org; Tue, 31 Mar 2020 09:01:14 -0400 Received: by mail-wm1-f52.google.com with SMTP id 11so1233085wmi.2 for <40343@debbugs.gnu.org>; Tue, 31 Mar 2020 06:01:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :mime-version:content-transfer-encoding; bh=+rkdTH1Yx1GMl3qIUmAwdTKrJMLt90sWB1xQTXo96IU=; b=ZtmM5UpU+ac6YBq71c9xIzD9zYL890fICMnK8tPj9E4C85LG/v8cv1tAtJXkoxCKlX NmRLkQcZJ9TZAZNnfc+qJNjV5qSZsh+cHmcUCqIgEmbHEGoA1wm1MP419DdHXH0PBySM C3kr7AFzWJRGR7CCfEb6sTgrgI4m0OVWtmjS2PbyOP0pdSGT7OEjUewCypWSTwV3sPAz gA1Jh8IkLJ93kOOZ1Rc2teHPb2iWbZIdutr2M6Ep3XWuah5rlUq17uLBtb6YCU0kxWS4 LRxEuj1iLSMRsepB908ZPY5DZcYs1VMK53WenDEor3mg9Kg/eTY9ZDn1o382OOOfCIbr exiw== 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:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=+rkdTH1Yx1GMl3qIUmAwdTKrJMLt90sWB1xQTXo96IU=; b=G3Fl+1m3J3zdtTruo97oBbV0waQFGl0N+w2PfSErGVSkA4jrVaB0i+HnhJia+G6+Jf F16tCMLJ0YusMLfSuNoa2IUThk8ay4HW/dJ00ED0+Fx3hx/ZirmDIXqsH1ngpdGWzylY 7oi29eq9Hz1kdCPi7vceQVLT/fn/a/7wNbrHfT7BAxZ2o7YFiiekSF5rb0AlBRtnA4Tf 21NTXoITC4+Cz4P9GXE300OYLEQdFAYf96EKa3FLtPS1bJR5GD3NJUF7NDd655Bi58po Wl1PDLOBjxGWSCQIjc5t5CIliRdat4KfvS9TzfETLSikp+77K3zjrPIbT412J8PdWnO2 wMVg== X-Gm-Message-State: ANhLgQ0Q9jvbZZF2tO+JqUK51t1+qibuy0NzXidIEQE32jRcwq+uRmDj kq30UV7sKk13kgfH8WpXy4cJQrBk X-Google-Smtp-Source: ADFU+vvDyH9bYdFDMYH9V4XIT1QqZfb8+FzIFvLMDnN1zEF7yX27ZSuJ29me3pgD77PNdOfHqpo5Rw== X-Received: by 2002:a1c:6745:: with SMTP id b66mr3411424wmc.30.1585659667771; Tue, 31 Mar 2020 06:01:07 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:65f2:9a92:2c96:9204]) by smtp.gmail.com with ESMTPSA id k3sm3768842wmf.16.2020.03.31.06.01.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2020 06:01:06 -0700 (PDT) From: Robert Pluim References: Date: Tue, 31 Mar 2020 15:01:05 +0200 In-Reply-To: (Kazuhiro Ito's message of "Tue, 31 Mar 2020 20:06:50 +0900") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Tue, 31 Mar 2020 20:06:50 +0900, Kazuhiro Ito = said: Kazuhiro> dns-set-servers function fails to set dns-servers on Windows = with IPv6 Kazuhiro> available network. >>=20 Kazuhiro> (progn Kazuhiro> (require 'dns) Kazuhiro> (dns-set-servers) Kazuhiro> dns-servers) >>=20 -> (nil) >>=20 >> dns.el isn=CA=BCt going to work on Windows anyway, since Emacs doesn= =CA=BCt >> support UDP network processes on Windows. Kazuhiro> Cygwin's Emacs, which seems to support UDP network processes,= uses Kazuhiro> Windows's nslookup.exe, so has this problem too.=20=20 That=CA=BCs not a Windows Emacs :-) Kazuhiro> # Actually I don't directly use dns.el. It is gravatar.el wh= ich uses Kazuhiro> # dns.el. True. We should teach emacs about res_query. Does this work for you: diff --git a/lisp/net/dns.el b/lisp/net/dns.el index 78d4827162..fd2ea99ac6 100644 --- a/lisp/net/dns.el +++ b/lisp/net/dns.el @@ -328,7 +328,7 @@ dns-set-servers (call-process "nslookup" nil t nil "localhost") (goto-char (point-min)) (re-search-forward - "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) + "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)\\|\\([[:xdigit= :]:]*\\)" nil t) (setq dns-servers (list (match-string 1)))))) (when (fboundp 'network-interface-list) (setq dns-servers-valid-for-interfaces (network-interface-list)))) From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Kazuhiro Ito Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 31 Mar 2020 14:23:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Robert Pluim Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158566456321447 (code B ref 40343); Tue, 31 Mar 2020 14:23:01 +0000 Received: (at 40343) by debbugs.gnu.org; 31 Mar 2020 14:22:43 +0000 Received: from localhost ([127.0.0.1]:36730 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJHms-0005Zr-OH for submit@debbugs.gnu.org; Tue, 31 Mar 2020 10:22:42 -0400 Received: from snd00006.auone-net.jp ([111.86.247.6]:63488 helo=dmta0008.auone-net.jp) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJHmp-0005Zc-41 for 40343@debbugs.gnu.org; Tue, 31 Mar 2020 10:22:41 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0008.auone-net.jp with ESMTP id <20200331142235577.PGUL.12092.kzhr.d1.dion.ne.jp@dmta0008.auone-net.jp>; Tue, 31 Mar 2020 23:22:35 +0900 Date: Tue, 31 Mar 2020 23:22:33 +0900 Message-ID: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> From: Kazuhiro Ito In-Reply-To: References: User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?Q?Goj=C5=8D?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-pc-cygwin) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > Does this work for you: > > diff --git a/lisp/net/dns.el b/lisp/net/dns.el > index 78d4827162..fd2ea99ac6 100644 > --- a/lisp/net/dns.el > +++ b/lisp/net/dns.el > @@ -328,7 +328,7 @@ dns-set-servers > (call-process "nslookup" nil t nil "localhost") > (goto-char (point-min)) > (re-search-forward > - "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) > + "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)\\|\\([[:xdigit:]:]*\\)" nil t) > (setq dns-servers (list (match-string 1)))))) > (when (fboundp 'network-interface-list) > (setq dns-servers-valid-for-interfaces (network-interface-list)))) I needed to modify your regexp as below. Additionally, I have question that whether we should consider the case nslookup doesn't return DNS server address, i.e. the case that re-search-forward didn't match anything. In that case, (match-string 1) at next line returns inconstant value. But according to docstring of dns-set-servers, dns-servers should be set to nil. diff --git a/lisp/net/dns.el b/lisp/net/dns.el index 78d4827162..92db9a5bac 100644 --- a/lisp/net/dns.el +++ b/lisp/net/dns.el @@ -328,7 +328,7 @@ dns-set-servers (call-process "nslookup" nil t nil "localhost") (goto-char (point-min)) (re-search-forward - "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) + "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\|[[:xdigit:]:]*\\)" nil t) (setq dns-servers (list (match-string 1)))))) (when (fboundp 'network-interface-list) (setq dns-servers-valid-for-interfaces (network-interface-list)))) -- Kazuhiro Ito From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Tue, 31 Mar 2020 14:29:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Kazuhiro Ito Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158566492722102 (code B ref 40343); Tue, 31 Mar 2020 14:29:01 +0000 Received: (at 40343) by debbugs.gnu.org; 31 Mar 2020 14:28:47 +0000 Received: from localhost ([127.0.0.1]:36740 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJHsk-0005kQ-Rg for submit@debbugs.gnu.org; Tue, 31 Mar 2020 10:28:47 -0400 Received: from mail-wr1-f53.google.com ([209.85.221.53]:44311) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJHsi-0005kC-DW for 40343@debbugs.gnu.org; Tue, 31 Mar 2020 10:28:45 -0400 Received: by mail-wr1-f53.google.com with SMTP id m17so26203004wrw.11 for <40343@debbugs.gnu.org>; Tue, 31 Mar 2020 07:28:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :mime-version:content-transfer-encoding; bh=8GUAKmGeM9eFTw2O2ZNa2up5lT8j62DdNQ2svPLYPvs=; b=okTSxhFCRCqf8I3ebWyUC971dPQuU7hQ45qNz92iI6MTzREaolpp7EKDHrsAl85XoX yjGiXCh3kkU0dVMQyD+MgJca7+xRbGmo3tSSKq1pvUEiQgjIlFu02eOHl1trRVuMlkBH ijNqRmkmSEsfjXw1NQ3WNT4WMNWuioSy6tmE/aY/kmCATR/CyW//Fn81PLzNksKcN7uU 37yEbAdhj+Wf58sLZVAIXmdDu4AW/rAFsFYVuobBatil/L05mOfMqTa3Xc8DOEb0SFW6 94MMHSd+aAPsjCVnnZO+JafGsULcstkCbn8evhPjjjMyKRrlrM4890ZQ1iYbFQs1BSut 7ooQ== 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:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=8GUAKmGeM9eFTw2O2ZNa2up5lT8j62DdNQ2svPLYPvs=; b=rA0tzJgPq/rmjd71qrP4QC97BXaBNmiu47sUkZUvk7XArws7n974Ffqto7zi3h9nn8 4eFmjYLHW3FU4GTREgY4VsXYlO2wTgxi/iaTg7M3Vyiro5D2eqSqASPuJCLysRuGsrmD JFzwJbQ6UIGKQXqeARXjPKw6rC24hNQDAfDkCood33zIgekq9UROeTftSRGvTCa+1lkj ZNaOgV1AjXKwbeXiiS0zSBCpiF5vINW4Jd/A3n/9QwI9SXgXJIy3Cny7UkfAdB94F698 vTmUI+SSwF2fwmt7/0YZtXdwhcMDAlnLiy4qlygKzPuaWLaqjtxqAI2pbLDw3rczskgG CoMA== X-Gm-Message-State: ANhLgQ3H4d1YgDulhJWRpwkRnfwW0HyT99t/fyXc+8uKq0jp3PyQCZTA aWc7QIIRJB31PU6IlfzyQSuJ+xc2 X-Google-Smtp-Source: ADFU+vuCTTxJiuLYPjDF0AMcWJJjUqV/I/SpMJvSo9sB1f5X/oWj1ihcC7rKmdpcUPgXV7jXsLYE5A== X-Received: by 2002:adf:a35a:: with SMTP id d26mr21587101wrb.185.1585664918250; Tue, 31 Mar 2020 07:28:38 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:65f2:9a92:2c96:9204]) by smtp.gmail.com with ESMTPSA id s9sm4386103wmc.2.2020.03.31.07.28.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 31 Mar 2020 07:28:37 -0700 (PDT) From: Robert Pluim References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> Date: Tue, 31 Mar 2020 16:28:36 +0200 In-Reply-To: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> (Kazuhiro Ito's message of "Tue, 31 Mar 2020 23:22:33 +0900") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Tue, 31 Mar 2020 23:22:33 +0900, Kazuhiro Ito = said: >> Does this work for you: >>=20 >> diff --git a/lisp/net/dns.el b/lisp/net/dns.el >> index 78d4827162..fd2ea99ac6 100644 >> --- a/lisp/net/dns.el >> +++ b/lisp/net/dns.el >> @@ -328,7 +328,7 @@ dns-set-servers >> (call-process "nslookup" nil t nil "localhost") >> (goto-char (point-min)) >> (re-search-forward >> - "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) >> + "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)\\|\\([[= :xdigit:]:]*\\)" nil t) >> (setq dns-servers (list (match-string 1)))))) >> (when (fboundp 'network-interface-list) >> (setq dns-servers-valid-for-interfaces (network-interface-list)))) Kazuhiro> I needed to modify your regexp as below. Ah yes, I got the grouping wrong. Kazuhiro> Additionally, I have Kazuhiro> question that whether we should consider the case nslookup do= esn't Kazuhiro> return DNS server address, i.e. the case that re-search-forwa= rd didn't Kazuhiro> match anything. In that case, (match-string 1) at next line = returns Kazuhiro> inconstant value. But according to docstring of dns-set-serv= ers, Kazuhiro> dns-servers should be set to nil. The dns lookup will fail in either case, no? So I=CA=BCm not sure it really matters. Robert From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Kazuhiro Ito Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Apr 2020 13:44:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Robert Pluim Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.15857486106757 (code B ref 40343); Wed, 01 Apr 2020 13:44:01 +0000 Received: (at 40343) by debbugs.gnu.org; 1 Apr 2020 13:43:30 +0000 Received: from localhost ([127.0.0.1]:37620 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJdeU-0001kv-Hi for submit@debbugs.gnu.org; Wed, 01 Apr 2020 09:43:30 -0400 Received: from snd00002.auone-net.jp ([111.86.247.2]:50881 helo=dmta0002.auone-net.jp) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJdeQ-0001kR-In for 40343@debbugs.gnu.org; Wed, 01 Apr 2020 09:43:28 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0002.auone-net.jp with ESMTP id <20200401134321405.QRRV.69332.kzhr.d1.dion.ne.jp@dmta0002.auone-net.jp>; Wed, 1 Apr 2020 22:43:21 +0900 Date: Wed, 01 Apr 2020 22:43:20 +0900 Message-ID: <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> From: Kazuhiro Ito In-Reply-To: References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?Q?Goj=C5=8D?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-w64-mingw32) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > Kazuhiro> Additionally, I have > Kazuhiro> question that whether we should consider the case nslookup = doesn't > Kazuhiro> return DNS server address, i.e. the case that re-search-for= ward didn't > Kazuhiro> match anything. In that case, (match-string 1) at next lin= e returns > Kazuhiro> inconstant value. But according to docstring of dns-set-se= rvers, > Kazuhiro> dns-servers should be set to nil. >=20 > The dns lookup will fail in either case, no? So I=CA=BCm not sure it real= ly > matters. For example, when I tested on my standalone Debian (sid) box, evaluating the below code just after starting Emacs returns annoying result. (progn (require 'dns) (dns-set-servers) dns-servers) -> ("c") We need to validate dns-servers's value to judge whether dns-set-servers succeeded contorary docstring of dns-set-servers, which says dns-servers is non-nil when dns-set-servers succeeded. I think docstring or actual behavior of dns-set-servers should be fixed. I noticed another problem in dns.el. dns-query function returns message's string ("No DNS server configuration found") when dns-servers is nil. --=20 Kazuhiro Ito From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Apr 2020 13:58:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Kazuhiro Ito Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158574948110577 (code B ref 40343); Wed, 01 Apr 2020 13:58:01 +0000 Received: (at 40343) by debbugs.gnu.org; 1 Apr 2020 13:58:01 +0000 Received: from localhost ([127.0.0.1]:38500 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJdsW-0002kQ-OX for submit@debbugs.gnu.org; Wed, 01 Apr 2020 09:58:01 -0400 Received: from mail-wr1-f68.google.com ([209.85.221.68]:39223) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJdsU-0002jt-4E for 40343@debbugs.gnu.org; Wed, 01 Apr 2020 09:57:58 -0400 Received: by mail-wr1-f68.google.com with SMTP id p10so146960wrt.6 for <40343@debbugs.gnu.org>; Wed, 01 Apr 2020 06:57:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:in-reply-to:message-id :mime-version:content-transfer-encoding; bh=Kkb+hJFlVmkAxwkx/YO+7FATtLo0OfoHsgysyogke1s=; b=fCoxroeGjWymYu+XU0HPlXMMJAsdm4Wy2F3Dh65Eg7BBGFLt0h5iNXBhUXRLUlJ+Lu Uw7OmSK7PAdTCVLpA0GsEQ+IjZcZbeiMNh6jZnLbH63R6QneRNyS5ecLrSIFQfohG9cS tzS5JlLcEqbgVy/MlStJN4VwZJdJOA2LdURbjTOrHaj2qYXqxP81/UAVG/jHWvM6IppD 0KGvhezOs0Cwwd8NF5+LqZaS07YGJ5SC5NkMJ3YqOR7WWZvVcNl6fe/xrwzs++W+sz3z ObZICeX7dKzCIR74LArLJltV5YRasjencGhmbxEG1/uBFAVIeDJ60kdTMIu9QcIafzMY 6sAw== 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:date:in-reply-to :message-id:mime-version:content-transfer-encoding; bh=Kkb+hJFlVmkAxwkx/YO+7FATtLo0OfoHsgysyogke1s=; b=UkQbzTpvN9ivWoWU0g1/LZ4el454tunUf3fieri5cUA5yka5TIuFHjyhW0n4GEGkZs CjAccX8ZMJi1dZaGqESgMOPf2MqfjpB+6j10jXY45zLrNxg6coJvYw/yt3/lhIStK2uJ WLvK4fB9hf99rPhCbTgsYOHBjzZ48KLxpiyTJvPduoQxwI7Z9x6Gzvnfr+bFr/Q/XW1n iJqqffCW08Dpz2r+hLHY2rZG2mdYTUO+9mRnrMEXI4fweHP+zHetcOzTipUtcGfJae65 pIMzINOrrAZAN2Y9G30KSwzD8qsxVTFgiHbwElK0Lop7dfHToD0jrWcINSUV3cvUU3k+ GFuA== X-Gm-Message-State: ANhLgQ3suag3rieAYNsysBeacShtazmnFQg1g2CXlvy4myMW3+htcdyG wIkVaxgFKdp0bZrAbKfV8gYB8g77 X-Google-Smtp-Source: ADFU+vuWsdFYBBaAQ11hYMw1HaZDZMz7XhJzcvV/Dbvak+SCQg05omd7ayae5VFiiFka5zS59+zJZQ== X-Received: by 2002:a5d:4d51:: with SMTP id a17mr24042043wru.317.1585749471669; Wed, 01 Apr 2020 06:57:51 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:65f2:9a92:2c96:9204]) by smtp.gmail.com with ESMTPSA id o67sm2895044wmo.5.2020.04.01.06.57.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Apr 2020 06:57:51 -0700 (PDT) From: Robert Pluim References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> Date: Wed, 01 Apr 2020 15:57:50 +0200 In-Reply-To: <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> (Kazuhiro Ito's message of "Wed, 01 Apr 2020 22:43:20 +0900") Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Wed, 01 Apr 2020 22:43:20 +0900, Kazuhiro Ito = said: Kazuhiro> Additionally, I have Kazuhiro> question that whether we should consider the case nslookup do= esn't Kazuhiro> return DNS server address, i.e. the case that re-search-forwa= rd didn't Kazuhiro> match anything. In that case, (match-string 1) at next line = returns Kazuhiro> inconstant value. But according to docstring of dns-set-serv= ers, Kazuhiro> dns-servers should be set to nil. >>=20 >> The dns lookup will fail in either case, no? So I=CA=BCm not sure it= really >> matters. Kazuhiro> For example, when I tested on my standalone Debian (sid) box, Kazuhiro> evaluating the below code just after starting Emacs returns a= nnoying Kazuhiro> result. Kazuhiro> (progn Kazuhiro> (require 'dns) Kazuhiro> (dns-set-servers) Kazuhiro> dns-servers) -> ("c") Yes, but the API exposed by dns.el is 'dns-query' (and maybe 'dns-query-cached'). 'dns-set-servers' should probably be called 'dns--set-servers' to indicate that it=CA=BCs an internal function. Kazuhiro> We need to validate dns-servers's value to judge whether Kazuhiro> dns-set-servers succeeded contorary docstring of dns-set-serv= ers, Kazuhiro> which says dns-servers is non-nil when dns-set-servers succee= ded. I Kazuhiro> think docstring or actual behavior of dns-set-servers should = be fixed. See previous paragraph: it=CA=BCs an internal function. Kazuhiro> I noticed another problem in dns.el. dns-query function retu= rns Kazuhiro> message's string ("No DNS server configuration found") when Kazuhiro> dns-servers is nil. Yes, it should probably return nil, and this is actually a valid reason for why 'dns-set-servers' should set dns-servers to nil on failure. Can you determine why it=CA=BCs failing on your Debian box? Robert From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Kazuhiro Ito Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Wed, 01 Apr 2020 14:56:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Robert Pluim Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158575292131056 (code B ref 40343); Wed, 01 Apr 2020 14:56:01 +0000 Received: (at 40343) by debbugs.gnu.org; 1 Apr 2020 14:55:21 +0000 Received: from localhost ([127.0.0.1]:38563 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJem1-00084q-DC for submit@debbugs.gnu.org; Wed, 01 Apr 2020 10:55:21 -0400 Received: from snd00006.auone-net.jp ([111.86.247.6]:25025 helo=dmta0009.auone-net.jp) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJelx-00084S-VF for 40343@debbugs.gnu.org; Wed, 01 Apr 2020 10:55:20 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0009.auone-net.jp with ESMTP id <20200401145512693.QMWG.46504.kzhr.d1.dion.ne.jp@dmta0009.auone-net.jp>; Wed, 1 Apr 2020 23:55:12 +0900 Date: Wed, 01 Apr 2020 23:55:12 +0900 Message-ID: From: Kazuhiro Ito In-Reply-To: References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?Q?Goj=C5=8D?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-pc-cygwin) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > Kazuhiro> For example, when I tested on my standalone Debian (sid) bo= x, > Kazuhiro> evaluating the below code just after starting Emacs returns= annoying > Kazuhiro> result. >=20 > Kazuhiro> (progn > Kazuhiro> (require 'dns) > Kazuhiro> (dns-set-servers) > Kazuhiro> dns-servers) >=20 > -> ("c") >=20 > Yes, but the API exposed by dns.el is 'dns-query' (and maybe > 'dns-query-cached'). 'dns-set-servers' should probably be called > 'dns--set-servers' to indicate that it=CA=BCs an internal function. >=20 > Kazuhiro> We need to validate dns-servers's value to judge whether > Kazuhiro> dns-set-servers succeeded contorary docstring of dns-set-se= rvers, > Kazuhiro> which says dns-servers is non-nil when dns-set-servers succ= eeded. I > Kazuhiro> think docstring or actual behavior of dns-set-servers shoul= d be fixed. >=20 > See previous paragraph: it=CA=BCs an internal function. I don't understand what you mean by "it=CA=BCs an internal function". I don't think it is okay that internal functions don't behave as described in docstring. > Kazuhiro> I noticed another problem in dns.el. dns-query function re= turns > Kazuhiro> message's string ("No DNS server configuration found") when > Kazuhiro> dns-servers is nil. >=20 > Yes, it should probably return nil, and this is actually a valid > reason for why 'dns-set-servers' should set dns-servers to nil on > failure. Can you determine why it=CA=BCs failing on your Debian box? I tested on Debian box as below. 1. /etc/init.d/networking stop 2. remove nameserver entry from /etc/resolv.conf On such condition, nslookup program outputs as below > ;; connection timed out; no servers could be reached Here is code snippet communicating with nslookup in dns-set-servers. > (with-temp-buffer > (call-process "nslookup" nil t nil "localhost") > (goto-char (point-min)) > (re-search-forward > "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) > (setq dns-servers (list (match-string 1)))) On the above condition, re-search-forward doesn't match anything. But next match-string is called unconditionally. As far as I tested, match-string's result when last search didn't match is undefined. it may return nil, string or raise an error. Additionally, even if match-string returns nil, dns-servers is never set to nil. It is set to (nil). --=20 Kazuhiro Ito From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows In-Reply-To: Resent-From: Robert Pluim Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 03 Apr 2020 08:43:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Kazuhiro Ito Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158590335413906 (code B ref 40343); Fri, 03 Apr 2020 08:43:02 +0000 Received: (at 40343) by debbugs.gnu.org; 3 Apr 2020 08:42:34 +0000 Received: from localhost ([127.0.0.1]:41150 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKHuM-0003cB-BM for submit@debbugs.gnu.org; Fri, 03 Apr 2020 04:42:34 -0400 Received: from mail-wr1-f45.google.com ([209.85.221.45]:35187) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKHuK-0003bf-96 for 40343@debbugs.gnu.org; Fri, 03 Apr 2020 04:42:33 -0400 Received: by mail-wr1-f45.google.com with SMTP id g3so5197758wrx.2 for <40343@debbugs.gnu.org>; Fri, 03 Apr 2020 01:42:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:message-id:mime-version; bh=MBU0pcKxcXgydUtyBSFRjJpRd11dBsH6HB4fnPYdShg=; b=FhzugNcQ8nUq+n0y6DxR7l7Eftyj2jtsO3g+wTuM2sBsdTY2vfjyiWlHq/v56es6HL CztaY34i3itlrWmnGe03mnObNRtw5k9h19Z3woG2qm7QHOYL/Wbl3nl/tKNdwessuYu0 6aNheH8Bu4QceA2uEM4jhO8J3UBjT3PBv/o7xac2oHXRNlxuRQw34V3vgKkYnQLZfOnd fyUikTtpqhwqT96QSxwrjXcds8IgHOZggRVb4kH51/3a3m2zunCDrwWWNOp5lyOZXttP 6P95JHBP0LFWBx1F6XPes9aDUn91L0h+fFPtUvJkY/nefPNmAbvqTmpMbFLi0DokAtUm zeXQ== 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:date:message-id :mime-version; bh=MBU0pcKxcXgydUtyBSFRjJpRd11dBsH6HB4fnPYdShg=; b=LMV47lM2Vhli40JBbUcvg96akJGjjFpAlezWkGiQo0P9vor2Vr0cqCTy3SeFef36ov ItCTr1Y8b1zcCts2TrfwYsxEMhjmmz7BWv+lm4XxJPx4Q5Usp4o01AE5JtDd/anGGVbV ykOH4Zg1hL058lcMxRwrAi2RJ8qBhS3xR/h3P+N7wKcyU6RgbylKyoc9hH6pXeNS5yrQ 36ndihMKrZfV50BYQOrdl/Guaw38jRhjfPPfgcYnvd79C8I88AhyGlVteQJTFK+GN4ku 6n2mEVV5zaWYILvBB/gaqVMBSoNUkZhYOCDZTEEfdH526FLd9lOFi2wUQRs7mWXpRMu/ /b2g== X-Gm-Message-State: AGi0PuYVNIIvZP1v4bxXLLeNoM5o712TrfgsfX7Ti56sXsJqOse+0+PX /Q21dLmSK7IlLYlt1GxnHu0HweB6 X-Google-Smtp-Source: APiQypKoyWTprx+9TtiK4H8dQQ7YInPsgYvMUssMo3KEfjAt0y4QWiFKwVlY/kHMU0egWWhvmps5QA== X-Received: by 2002:adf:fd47:: with SMTP id h7mr7715150wrs.105.1585903345917; Fri, 03 Apr 2020 01:42:25 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:30c1:b817:7653:c738]) by smtp.gmail.com with ESMTPSA id i97sm6304535wri.1.2020.04.03.01.42.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2020 01:42:25 -0700 (PDT) From: Robert Pluim References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> Date: Fri, 03 Apr 2020 10:42:24 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Wed, 01 Apr 2020 23:55:12 +0900, Kazuhiro Ito said: Kazuhiro> I tested on Debian box as below. Kazuhiro> 1. /etc/init.d/networking stop Kazuhiro> 2. remove nameserver entry from /etc/resolv.conf Kazuhiro> On such condition, nslookup program outputs as below >> ;; connection timed out; no servers could be reached Kazuhiro> Here is code snippet communicating with nslookup in dns-set-servers. >> (with-temp-buffer >> (call-process "nslookup" nil t nil "localhost") >> (goto-char (point-min)) >> (re-search-forward >> "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) >> (setq dns-servers (list (match-string 1)))) Kazuhiro> On the above condition, re-search-forward doesn't match anything. But Kazuhiro> next match-string is called unconditionally. As far as I tested, Kazuhiro> match-string's result when last search didn't match is undefined. it Kazuhiro> may return nil, string or raise an error. Additionally, even if Kazuhiro> match-string returns nil, dns-servers is never set to nil. It is set Kazuhiro> to (nil). Thanks for that. This should fix all those cases: diff --git a/lisp/net/dns.el b/lisp/net/dns.el index 78d4827162..177df4e332 100644 --- a/lisp/net/dns.el +++ b/lisp/net/dns.el @@ -315,8 +315,8 @@ dns-servers-up-to-date-p (defun dns-set-servers () "Set `dns-servers' to a list of DNS servers or nil if none are found. Parses \"/etc/resolv.conf\" or calls \"nslookup\"." + (setq dns-servers nil) (or (when (file-exists-p "/etc/resolv.conf") - (setq dns-servers nil) (with-temp-buffer (insert-file-contents "/etc/resolv.conf") (goto-char (point-min)) @@ -327,9 +327,9 @@ dns-set-servers (with-temp-buffer (call-process "nslookup" nil t nil "localhost") (goto-char (point-min)) - (re-search-forward - "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) - (setq dns-servers (list (match-string 1)))))) + (when (re-search-forward + "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\|[[:xdigit:]:]*\\)" nil t) + (setq dns-servers (list (match-string 1))))))) (when (fboundp 'network-interface-list) (setq dns-servers-valid-for-interfaces (network-interface-list)))) @@ -357,7 +357,9 @@ dns-make-network-process `(let ((server ,server) (coding-system-for-read 'binary) (coding-system-for-write 'binary)) - (if (fboundp 'make-network-process) + (if (and + (fboundp 'make-network-process) + (featurep 'make-network-process '(:type datagram))) (make-network-process :name "dns" :coding 'binary @@ -365,9 +367,9 @@ dns-make-network-process :host server :service "domain" :type 'datagram) - ;; Older versions of Emacs doesn't have - ;; `make-network-process', so we fall back on opening a TCP - ;; connection to the DNS server. + ;; Older versions of Emacs do not have `make-network-process', + ;; and on MS-Windows datagram sockets are not supported, so we + ;; fall back on opening a TCP connection to the DNS server. (open-network-stream "dns" (current-buffer) server "domain")))) (defvar dns-cache (make-vector 4096 0)) @@ -400,7 +402,9 @@ dns-query type 'PTR)) (if (not dns-servers) - (message "No DNS server configuration found") + (progn + (message "No DNS server configuration found") + nil) (with-temp-buffer (set-buffer-multibyte nil) (let ((process (condition-case () From unknown Sat Aug 16 16:05:42 2025 X-Loop: help-debbugs@gnu.org Subject: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows Resent-From: Kazuhiro Ito Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 03 Apr 2020 14:09:02 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 40343 X-GNU-PR-Package: emacs X-GNU-PR-Keywords: To: Robert Pluim Cc: 40343@debbugs.gnu.org Received: via spool by 40343-submit@debbugs.gnu.org id=B40343.158592290318324 (code B ref 40343); Fri, 03 Apr 2020 14:09:02 +0000 Received: (at 40343) by debbugs.gnu.org; 3 Apr 2020 14:08:23 +0000 Received: from localhost ([127.0.0.1]:42980 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKMze-0004lT-HC for submit@debbugs.gnu.org; Fri, 03 Apr 2020 10:08:22 -0400 Received: from snd00002.auone-net.jp ([111.86.247.2]:3297 helo=dmta0006.auone-net.jp) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKMza-0004l0-8p for 40343@debbugs.gnu.org; Fri, 03 Apr 2020 10:08:20 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0006.auone-net.jp with ESMTP id <20200403140815492.TMIB.121622.kzhr.d1.dion.ne.jp@dmta0006.auone-net.jp>; Fri, 3 Apr 2020 23:08:15 +0900 Date: Fri, 03 Apr 2020 23:08:10 +0900 Message-ID: <86v9mgbr1x.wl--xmue@d1.dion.ne.jp> From: Kazuhiro Ito In-Reply-To: References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?Q?Goj=C5=8D?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-w64-mingw32) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-Spam-Score: -0.0 (/) X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) > Thanks for that. This should fix all those cases: Thank you for the patch. It works well on Cygwin environment. But I noticed different problems in dns-query when TCP is used. 1. dns-write function needs to be called with TCP-P option. 2. First 2 bytes of received data (length field) should be truncated for dns-read function. Or dns-read function should accept TCP-P option like dns-wrote function. > diff --git a/lisp/net/dns.el b/lisp/net/dns.el > index 78d4827162..177df4e332 100644 > --- a/lisp/net/dns.el > +++ b/lisp/net/dns.el > @@ -315,8 +315,8 @@ dns-servers-up-to-date-p > (defun dns-set-servers () > "Set `dns-servers' to a list of DNS servers or nil if none are found. > Parses \"/etc/resolv.conf\" or calls \"nslookup\"." > + (setq dns-servers nil) > (or (when (file-exists-p "/etc/resolv.conf") > - (setq dns-servers nil) > (with-temp-buffer > (insert-file-contents "/etc/resolv.conf") > (goto-char (point-min)) > @@ -327,9 +327,9 @@ dns-set-servers > (with-temp-buffer > (call-process "nslookup" nil t nil "localhost") > (goto-char (point-min)) > - (re-search-forward > - "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) > - (setq dns-servers (list (match-string 1)))))) > + (when (re-search-forward > + "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\|[[:xdigit:]:]*\\)" nil t) > + (setq dns-servers (list (match-string 1))))))) > (when (fboundp 'network-interface-list) > (setq dns-servers-valid-for-interfaces (network-interface-list)))) > > @@ -357,7 +357,9 @@ dns-make-network-process > `(let ((server ,server) > (coding-system-for-read 'binary) > (coding-system-for-write 'binary)) > - (if (fboundp 'make-network-process) > + (if (and > + (fboundp 'make-network-process) > + (featurep 'make-network-process '(:type datagram))) > (make-network-process > :name "dns" > :coding 'binary > @@ -365,9 +367,9 @@ dns-make-network-process > :host server > :service "domain" > :type 'datagram) > - ;; Older versions of Emacs doesn't have > - ;; `make-network-process', so we fall back on opening a TCP > - ;; connection to the DNS server. > + ;; Older versions of Emacs do not have `make-network-process', > + ;; and on MS-Windows datagram sockets are not supported, so we > + ;; fall back on opening a TCP connection to the DNS server. > (open-network-stream "dns" (current-buffer) server "domain")))) > > (defvar dns-cache (make-vector 4096 0)) > @@ -400,7 +402,9 @@ dns-query > type 'PTR)) > > (if (not dns-servers) > - (message "No DNS server configuration found") > + (progn > + (message "No DNS server configuration found") > + nil) > (with-temp-buffer > (set-buffer-multibyte nil) > (let ((process (condition-case () -- Kazuhiro Ito From unknown Sat Aug 16 16:05:42 2025 MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) X-Loop: help-debbugs@gnu.org From: help-debbugs@gnu.org (GNU bug Tracking System) To: Kazuhiro Ito Subject: bug#40343: closed (Re: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows) Message-ID: References: X-Gnu-PR-Message: they-closed 40343 X-Gnu-PR-Package: emacs Reply-To: 40343@debbugs.gnu.org Date: Fri, 03 Apr 2020 15:20:01 +0000 Content-Type: multipart/mixed; boundary="----------=_1585927201-1525-1" This is a multi-part message in MIME format... ------------=_1585927201-1525-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Your bug report #40343: 28.0.50; dns-set-servers fails on IPv6 available Windows which was filed against the emacs package, has been closed. The explanation is attached below, along with your original report. If you require more details, please reply to 40343@debbugs.gnu.org. --=20 40343: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D40343 GNU Bug Tracking System Contact help-debbugs@gnu.org with problems ------------=_1585927201-1525-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at 40343-done) by debbugs.gnu.org; 3 Apr 2020 15:19:35 +0000 Received: from localhost ([127.0.0.1]:43020 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKO6Z-0000Mm-6b for submit@debbugs.gnu.org; Fri, 03 Apr 2020 11:19:35 -0400 Received: from mail-wr1-f43.google.com ([209.85.221.43]:39820) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKO6X-0000MK-0q for 40343-done@debbugs.gnu.org; Fri, 03 Apr 2020 11:19:33 -0400 Received: by mail-wr1-f43.google.com with SMTP id p10so8973431wrt.6 for <40343-done@debbugs.gnu.org>; Fri, 03 Apr 2020 08:19:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:references:date:message-id:mime-version :content-transfer-encoding; bh=J5uWupe7vhlBFr2WRTm/wNw2/VmiVJpnHtwqsAK1Ark=; b=o3jBF+K2/w9vIJRhyDZdlkWNeBBCdKwUd8+pV4cLwi+Ya+JfOtm3UGPzt9ENmwUB0r d8HtZzlmhk8p6MKKSHuTcr5cSzHe5pG7OFVyJmddv4bg68WB1JBaxZSXXM8t30Sa/v5r 1tsPUg8fluAfmMVSzWRD6kf7kz/TuixBvayVaDRyNlYls2fuzdurAgvkgBCD/AEpQvz0 JGuHYAIcv1SksUaumq9YNeT9RVfsIHz0fQgEM22L2Pgg5JUVS0XhR7F/yYyaBXhlIqc4 rCCxSdfHlnTH30oH2dqNsR+yz1Nta5t2vsIgJnJcuOnJMbvutu4cu4l/E3QBUt1QvG8I 4o4w== 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:date:message-id :mime-version:content-transfer-encoding; bh=J5uWupe7vhlBFr2WRTm/wNw2/VmiVJpnHtwqsAK1Ark=; b=uVg9QyUEQ0nhlhjykoHwUZni+wMryy9O+OG3dVZXxh6LnLWcxg3bUfiE2Wf8zorRnH TBwWSY40bY7oNaNHtPBUr9uEBQiDxl6RMvvYDuFArPfC61BjNrFLmzanY43MXNnfwW78 g7r2AJ/rCw5X23WVUD/UKJiEd1gAdvQuSMygdH1AKlCuqZTySwxzO5JsDkC2F5NW+gDX DM0LK83xjmR4X9hj3XiWAX3Q7F1//XB5Z1thydtmAqMnml6CD6UIZA5LJF6K8WwmZnu3 UP1oZ639m6GIRMN5HlGxTuVbZaKGyocZeBtgcgmWtlL3wCOrX+Eat80ymzdYoMXpCzsN HdtA== X-Gm-Message-State: AGi0PubgnBhy4cZW4Qp40czb8m8mnOryOeyzfTZXooanQjNfk8+aSxYU j5Rh4RloPlSW7X9Eo8ndM7BfgmSO X-Google-Smtp-Source: APiQypKL8nX0ewaYp+whfRrS8cNrbj2Syf04ABwg06Cwoj+aPG5ocNTuh6rH6a9Rvr/2b+qAEXOsxA== X-Received: by 2002:a05:6000:370:: with SMTP id f16mr9961636wrf.9.1585927166712; Fri, 03 Apr 2020 08:19:26 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:d87d:2087:586e:f498]) by smtp.gmail.com with ESMTPSA id x206sm11843692wmg.17.2020.04.03.08.19.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2020 08:19:26 -0700 (PDT) From: Robert Pluim To: Kazuhiro Ito Subject: Re: bug#40343: 28.0.50; dns-set-servers fails on IPv6 available Windows References: <86v9mkmwnq.wl--xmue@d1.dion.ne.jp> <86zhbvxqx3.wl--xmue@d1.dion.ne.jp> <86v9mgbr1x.wl--xmue@d1.dion.ne.jp> Date: Fri, 03 Apr 2020 17:19:25 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: 40343-done Cc: 40343-done@debbugs.gnu.org X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) >>>>> On Fri, 03 Apr 2020 23:08:10 +0900, Kazuhiro Ito = said: >> Thanks for that. This should fix all those cases: Kazuhiro> Thank you for the patch. It works well on Cygwin environment= . But I Kazuhiro> noticed different problems in dns-query when TCP is used. Thanks for checking, pushed to master as 00f7744c1b Closing the bug. Kazuhiro> 1. dns-write function needs to be called with TCP-P option. Kazuhiro> 2. First 2 bytes of received data (length field) should be tr= uncated Kazuhiro> for dns-read function. Or dns-read function should accept TC= P-P Kazuhiro> option like dns-wrote function. Indeed, looks like that=CA=BCs never worked. I=CA=BCll fix those separately. Robert ------------=_1585927201-1525-1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: 7bit Received: (at submit) by debbugs.gnu.org; 31 Mar 2020 08:47:03 +0000 Received: from localhost ([127.0.0.1]:35488 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJCY3-0003pf-5E for submit@debbugs.gnu.org; Tue, 31 Mar 2020 04:47:03 -0400 Received: from lists.gnu.org ([209.51.188.17]:43954) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jJCY1-0003pC-BN for submit@debbugs.gnu.org; Tue, 31 Mar 2020 04:47:02 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59128) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jJCY0-0003JW-7L for bug-gnu-emacs@gnu.org; Tue, 31 Mar 2020 04:47:01 -0400 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on eggs.gnu.org X-Spam-Level: X-Spam-Status: No, score=0.8 required=5.0 tests=BAYES_50,RCVD_IN_DNSWL_NONE autolearn=disabled version=3.3.2 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jJCXx-00025R-GF for bug-gnu-emacs@gnu.org; Tue, 31 Mar 2020 04:46:58 -0400 Received: from snd00005.auone-net.jp ([111.86.247.5]:15648 helo=dmta0001.auone-net.jp) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1jJCXw-0001xk-W9 for bug-gnu-emacs@gnu.org; Tue, 31 Mar 2020 04:46:57 -0400 Received: from kzhr.d1.dion.ne.jp by dmta0001.auone-net.jp with ESMTP id <20200331084649771.PAEA.91868.kzhr.d1.dion.ne.jp@dmta0001.auone-net.jp>; Tue, 31 Mar 2020 17:46:49 +0900 Date: Tue, 31 Mar 2020 17:46:47 +0900 Message-ID: From: Kazuhiro Ito To: bug-gnu-emacs@gnu.org Subject: 28.0.50; dns-set-servers fails on IPv6 available Windows X-Hashcash: 1:20:200331:bug-gnu-emacs@gnu.org::bupCkVKEPPro7DOf:000000000000000000000000000000000000000056rZ User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?ISO-8859-4?Q?Goj=F2?=) APEL/10.8 EasyPG/1.0.0 Emacs/28.0 (x86_64-w64-mingw32) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=ISO-2022-JP X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 111.86.247.5 X-Spam-Score: 0.3 (/) X-Debbugs-Envelope-To: submit X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -0.7 (/) dns-set-servers function fails to set dns-servers on Windows with IPv6 available network. (progn (require 'dns) (dns-set-servers) dns-servers) -> (nil) The reason is that Windows's nslookup program returns server's IPv6 address if availeble but dns-set-servers function assumes that server's address is always IPv4. > C:\>nslookup localhost > サーバー: server.lan > Address: xxxx:xxxx:xxxx::1 > > 名前: localhost.lan > Addresses: ::1 > 127.0.0.1 # "サーバー" and "名前" are Japanese translations for "Server" and # "Name", respectively. From dns-set-servers definition in lisp/net/dns.el > (re-search-forward > "^Address:[ \t]*\\([0-9]+\\.[0-9]+\\.[0-9]+\\.[0-9]+\\)" nil t) -- Kazuhiro Ito ------------=_1585927201-1525-1-- From debbugs-submit-bounces@debbugs.gnu.org Fri Apr 03 11:20:03 2020 Received: (at control) by debbugs.gnu.org; 3 Apr 2020 15:20:03 +0000 Received: from localhost ([127.0.0.1]:43027 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKO71-0000PR-He for submit@debbugs.gnu.org; Fri, 03 Apr 2020 11:20:03 -0400 Received: from mail-wr1-f51.google.com ([209.85.221.51]:41537) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1jKO6z-0000O9-GT for control@debbugs.gnu.org; Fri, 03 Apr 2020 11:20:01 -0400 Received: by mail-wr1-f51.google.com with SMTP id h9so8983092wrc.8 for ; Fri, 03 Apr 2020 08:20:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:subject:date:message-id:mime-version; bh=Lv1KDx/gpHObO1XkCudujHp/yFnNIyK3KdvJIrXwfWI=; b=ifUwIE/7wE4qjgG8cja1lPjWzfBBaKaTDTd+mrAE/nBxclSBmVVtc6ZgQ9zm5eRBV6 ly+sZbp9aC30ql/XgunhMXfblwInu6C3V6KhI8YbsSYcpW6NqaG765XhE/rkVnYXbJYh BpDMn2XH4YvMIs896FNCJ2YQAeuBAW/+/49hqf82pc/Fr0ec4H52KMHe+0drsn1y8Bgg AbvOod9KVhW/Hp1/P1xWBtO4R3BAN06pC0K5uF1Ahi8LTppZFloh1KF3YI6ryPN9/8+r QKoFYJhpe9LXrCyKFT58I1nOUfim32iVG7+hKTxt8y82f3outcIrFYi2ZtgA7M+PtmGL AlpQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version; bh=Lv1KDx/gpHObO1XkCudujHp/yFnNIyK3KdvJIrXwfWI=; b=hPTI1Zm/K6Fs9ZUyljTvw4iJmBoXwl7bKht81a3BB9ZUWY1jVPcH7BXpR1z60mfpe6 Bfn5xaY3ixiNeDUXMunhnuKJEU5btN2h7RKLq8ksvBitiYsVC34/rq71jBR/c4hbiAbO q5/H3yHoUXJThNdOMKZj0y553RXloND9P3F68Yxf89yQcoaRqiw8ZXkkh/WK7FtY6RtQ nr7BXY4Dwin3VILaIusnqODzN6WDBUojRwSN42oOA9Bp3wY+Iojsp32bhvIu39NJOPU3 3ik5lAbxEyt6+P6dafb2AE6SDBqT/Te0F8E+RUirpoI1mA0KzT0vZxnf+qRkG+goEhsO rS6A== X-Gm-Message-State: AGi0PubEKiGVTrJnmOataOca09np6iZeQK4CMVBQjuv4EWyiFpDiLpDt 2P/SKAGnCV+KdVKEAnXKMPwmOcp6 X-Google-Smtp-Source: APiQypKXDrO0xvum9t1EXy1eVwVXx20iwkTa/a4fH/IIb+meJj8GXBq4DB23ccDzWj9qVWxAJlaOHQ== X-Received: by 2002:adf:f808:: with SMTP id s8mr284027wrp.219.1585927195591; Fri, 03 Apr 2020 08:19:55 -0700 (PDT) Received: from rpluim-mac ([2a01:e34:ecfc:a860:d87d:2087:586e:f498]) by smtp.gmail.com with ESMTPSA id j11sm11786313wmi.33.2020.04.03.08.19.54 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 03 Apr 2020 08:19:55 -0700 (PDT) From: Robert Pluim To: control@debbugs.gnu.org Subject: control message for bug #40343 Date: Fri, 03 Apr 2020 17:19:53 +0200 Message-ID: MIME-Version: 1.0 Content-Type: text/plain X-Spam-Score: 0.0 (/) X-Debbugs-Envelope-To: control X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: debbugs-submit-bounces@debbugs.gnu.org Sender: "Debbugs-submit" X-Spam-Score: -1.0 (-) fixed 40343 28.1 quit