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{ "id": 808318, "url": "http://patchwork.ozlabs.org/api/covers/808318/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/cover/20170831165939.5121-1-colona@arista.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "name": "Linux network development", "link_name": "netdev", "list_id": "netdev.vger.kernel.org", "list_email": "netdev@vger.kernel.org", "web_url": null, "scm_url": null, "webscm_url": null, "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170831165939.5121-1-colona@arista.com>", "list_archive_url": null, "date": "2017-08-31T16:59:37", "name": "[net-next,v5,0/2] report TCP MD5 signing keys and addresses", "submitter": { "id": 65664, "url": "http://patchwork.ozlabs.org/api/people/65664/?format=api", "name": "Ivan Delalande", "email": "colona@arista.com" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/cover/20170831165939.5121-1-colona@arista.com/mbox/", "series": [ { "id": 881, "url": "http://patchwork.ozlabs.org/api/series/881/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=881", "date": "2017-08-31T16:59:39", "name": "report TCP MD5 signing keys and addresses", "version": 5, "mbox": "http://patchwork.ozlabs.org/series/881/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/808318/comments/", "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "X-Original-To": "patchwork-incoming@ozlabs.org", "Delivered-To": "patchwork-incoming@ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org; dkim=pass (1024-bit key;\n\tunprotected) header.d=arista.com header.i=@arista.com\n\theader.b=\"Xp/zLFiP\"; dkim-atps=neutral" ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xjpWs1r73z9sD5\n\tfor <patchwork-incoming@ozlabs.org>;\n\tFri, 1 Sep 2017 02:59:53 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751972AbdHaQ7m (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tThu, 31 Aug 2017 12:59:42 -0400", "from prod-mx.aristanetworks.com ([162.210.130.12]:59070 \"EHLO\n\tprod-mx.aristanetworks.com\" rhost-flags-OK-OK-OK-OK)\n\tby vger.kernel.org with ESMTP id S1751928AbdHaQ7k (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Thu, 31 Aug 2017 12:59:40 -0400", "from prod-mx.aristanetworks.com (localhost [127.0.0.1])\n\tby prod-mx.aristanetworks.com (Postfix) with ESMTP id D06979605;\n\tThu, 31 Aug 2017 09:59:39 -0700 (PDT)", "from visor.sjc.aristanetworks.com\n\t(manila-157.sjc.aristanetworks.com [172.20.135.157])\n\tby prod-mx.aristanetworks.com (Postfix) with ESMTP id CE17B9602;\n\tThu, 31 Aug 2017 09:59:39 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=arista.com;\n\ts=AristaCom; t=1504198779;\n\tbh=wynUyG78w8ZdbHqEfprvQiKcKF587EfMeW/yMVGEu/I=;\n\th=From:To:Cc:Subject:Date;\n\tb=Xp/zLFiPtmOWqIvN3HfWt+uUcgIATV0hcqVMN0mEeOMJZWfSupOugb7Q8qMO4cuoD\n\tJIOxuTZpYL9d8gz7LBnsQNg5hxextHu/94U5+hKMeHxcVuH7HqFx5anOtsEPwL+uXq\n\txVzQQXNSKMmDWFtkQk5+DY9wE2XRKDn8n59Sz+oI=", "From": "Ivan Delalande <colona@arista.com>", "To": "David Miller <davem@davemloft.net>", "Cc": "Eric Dumazet <eric.dumazet@gmail.com>, netdev@vger.kernel.org,\n\tIvan Delalande <colona@arista.com>", "Subject": "[PATCH net-next v5 0/2] report TCP MD5 signing keys and addresses", "Date": "Thu, 31 Aug 2017 09:59:37 -0700", "Message-Id": "<20170831165939.5121-1-colona@arista.com>", "X-Mailer": "git-send-email 2.14.1", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "Allow userspace to retrieve MD5 signature keys and addresses configured\non TCP sockets through inet_diag.\n\nThanks to Eric Dumazet and Stephen Hemminger for their useful\nexplanations and feedback.\n\nv5: - memset the whole netlink payload after it has been nla_reserve-d\n in tcp_diag_put_md5sig (a third memset had to be added for\n tcpm_key so we might as well have just one for entire region).\n - move the nla_total_size call from inet_sk_attr_size to the\n idiag_get_aux_size defined by protocols as they could add multiple\n netlink attributes,\n - add check for net_admin in tcp_diag_get_aux_size.\n\nv4: - add new struct tcp_diag_md5sig to report the data instead of\n tcp_md5sig to avoid wasting 112 bytes on every tcpm_addr,\n - memset tcpm_addr on IPv4 addresses to avoid leaks,\n - style fix in inet_diag_dump_one_icsk.\n\nv3: - rename inet_diag_*md5sig in tcp_diag.c to tcp_diag_* for\n consistency,\n - don't lock the socket in tcp_diag_put_md5sig,\n - add checks on md5sig_count in tcp_diag_put_md5sig to not create\n the netlink attribute if the list is empty, and to avoid overflows\n or memory leaks if the list has changed in the meantime.\n\nv2: - move changes to tcp_diag.c and extend inet_diag_handler to allow\n protocols to provide additional data on INET_DIAG_INFO,\n - lock socket before calling tcp_diag_put_md5sig.\n\n\nI also have a patch for iproute2/ss to test this change, making it print\nthis new attribute. I'm planning to polish and send it if this series\ngets applied.\n\n\nIvan Delalande (2):\n inet_diag: allow protocols to provide additional data\n tcp_diag: report TCP MD5 signing keys and addresses\n\n include/linux/inet_diag.h | 7 +++\n include/uapi/linux/inet_diag.h | 1 +\n include/uapi/linux/tcp.h | 9 ++++\n net/ipv4/inet_diag.c | 22 +++++++--\n net/ipv4/tcp_diag.c | 109 ++++++++++++++++++++++++++++++++++++++---\n 5 files changed, 138 insertions(+), 10 deletions(-)" }