From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on dcvr.yhbt.net X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=AWL,BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY shortcircuit=no autolearn=ham autolearn_force=no version=3.4.2 Received: from neon.ruby-lang.org (neon.ruby-lang.org [221.186.184.75]) by dcvr.yhbt.net (Postfix) with ESMTP id DB24B1F9FC for ; Wed, 24 Mar 2021 17:22:13 +0000 (UTC) Received: from neon.ruby-lang.org (localhost [IPv6:::1]) by neon.ruby-lang.org (Postfix) with ESMTP id 63A43120A81; Thu, 25 Mar 2021 02:21:11 +0900 (JST) Received: from xtrwkhkc.outbound-mail.sendgrid.net (xtrwkhkc.outbound-mail.sendgrid.net [167.89.16.28]) by neon.ruby-lang.org (Postfix) with ESMTPS id 7DD921209CA for ; Thu, 25 Mar 2021 02:21:09 +0900 (JST) Received: by filterdrecv-p3iad2-7d7c446bd4-79mrr with SMTP id filterdrecv-p3iad2-7d7c446bd4-79mrr-21-605B753D-1B 2021-03-24 17:22:05.266600575 +0000 UTC m=+82150.565832517 Received: from herokuapp.com (unknown) by ismtpd0142p1iad2.sendgrid.net (SG) with ESMTP id WwLnIKBiTkeexuJHA6NGRQ for ; Wed, 24 Mar 2021 17:22:05.197 +0000 (UTC) Date: Wed, 24 Mar 2021 17:22:05 +0000 (UTC) From: jaruga@redhat.com Message-ID: References: Mime-Version: 1.0 X-Redmine-MailingListIntegration-Message-Ids: 79034 X-Redmine-Project: ruby-master X-Redmine-Issue-Tracker: Feature X-Redmine-Issue-Id: 17524 X-Redmine-Issue-Author: no6v X-Redmine-Issue-Assignee: akr X-Redmine-Sender: jaruga X-Mailer: Redmine X-Redmine-Host: bugs.ruby-lang.org X-Redmine-Site: Ruby Issue Tracking System X-Auto-Response-Suppress: All Auto-Submitted: auto-generated X-SG-EID: =?us-ascii?Q?yXpFNqRr1dEY0snEQ6vUpjORBmm3WV3CBkaa8tOjsKnyhg1oHrwAhQ7wxeAJnu?= =?us-ascii?Q?UsAy8GALaZxUFm9489Ryw9QX8Ts47JR1EhfWtUA?= =?us-ascii?Q?0KurvxmQu3YRtAnp7POwnoOiFYOlrHsMpos7OJQ?= =?us-ascii?Q?8rlslCpkxtnT0TVkBK=2FFhgjoBFVoR5eyQYqOCkn?= =?us-ascii?Q?HewF1ED7wqKgumrZD1+2fBPvlCE=2Fyw8rnqlMjB6?= =?us-ascii?Q?zTVDLPnDj7S6mt=2FVU=3D?= To: ruby-core@ruby-lang.org X-Entity-ID: b/2+PoftWZ6GuOu3b0IycA== X-ML-Name: ruby-core X-Mail-Count: 102999 Subject: [ruby-core:102999] [Ruby master Feature#17524] resolv: add some more characters in IPv6 link local zone id X-BeenThere: ruby-core@ruby-lang.org X-Mailman-Version: 2.1.15 Precedence: list Reply-To: Ruby developers List-Id: Ruby developers List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ruby-core-bounces@ruby-lang.org Sender: "ruby-core" Issue #17524 has been updated by jaruga (Jun Aruga). I just faced this issue where `cni-podman0` including `-` is used as string matching with `Resolv::IPv6::Regex_CompressedHexLinkLocal`. ``` $ ruby -rsocket -e 'p Socket.ip_address_list[8]' # ``` ---------------------------------------- Feature #17524: resolv: add some more characters in IPv6 link local zone id https://bugs.ruby-lang.org/issues/17524#change-91063 * Author: no6v (Nobuhiro IMAI) * Status: Assigned * Priority: Normal * Assignee: akr (Akira Tanaka) ---------------------------------------- According to [RFC6874](https://tools.ietf.org/html/rfc6874#section-2), IPv6 link local zone id is: ``` ZoneID = 1*( unreserved / pct-encoded ) ``` where `unreserved` in [RFC3986](https://tools.ietf.org/html/rfc3986#section-2.3) is as follow. ``` unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~" ``` Actually, `docker` can create such an interface. ```sh $ docker network create --ipv6 --subnet fe80::/64 --opt com.docker.network.bridge.name=ruby_3.0.0-1 ruby $ ruby -rsocket -e 'p Socket.ip_address_list.last' # ``` This makes `TestResolvAddr#test_valid_socket_ip_address_list` failure. Supporting a `pct-encoded` may be overwork, but adding the all of `unreserved` to * `Resolv::IPv6::Regex_8HexLinkLocal` and * `Resolv::IPv6::Regex_CompressedHexLinkLocal` sounds reasonable for me. What do you think? -- https://bugs.ruby-lang.org/