From patchwork Thu Jul 1 09:11:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhang Chen X-Patchwork-Id: 12353775 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 279A8C11F67 for ; Thu, 1 Jul 2021 09:22:13 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C9EB160249 for ; Thu, 1 Jul 2021 09:22:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C9EB160249 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59928 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lystf-0005yc-Vs for qemu-devel@archiver.kernel.org; Thu, 01 Jul 2021 05:22:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42454) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lysqJ-0007YY-S2 for qemu-devel@nongnu.org; Thu, 01 Jul 2021 05:18:43 -0400 Received: from mga09.intel.com ([134.134.136.24]:16185) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lysqH-00007Y-TX for qemu-devel@nongnu.org; Thu, 01 Jul 2021 05:18:43 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10031"; a="208454119" X-IronPort-AV: E=Sophos;i="5.83,313,1616482800"; d="scan'208";a="208454119" Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2021 02:18:41 -0700 X-IronPort-AV: E=Sophos;i="5.83,313,1616482800"; d="scan'208";a="420335049" Received: from unknown (HELO localhost.localdomain) ([10.239.13.19]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2021 02:18:38 -0700 From: Zhang Chen To: Jason Wang Subject: [PULL V2 3/6] hmp-commands: Add new HMP command for filter passthrough Date: Thu, 1 Jul 2021 17:11:27 +0800 Message-Id: <20210701091130.3022093-4-chen.zhang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210701091130.3022093-1-chen.zhang@intel.com> References: <20210701091130.3022093-1-chen.zhang@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=134.134.136.24; envelope-from=chen.zhang@intel.com; helo=mga09.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lukas Straub , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Li Zhijian , qemu-dev , Markus Armbruster , Zhang Chen , Gerd Hoffmann , Eric Blake , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add hmp_passthrough_filter_add and hmp_passthrough_filter_del make user can maintain object network passthrough list in human monitor Signed-off-by: Zhang Chen --- hmp-commands.hx | 26 +++++++++++++++++ include/monitor/hmp.h | 2 ++ monitor/hmp-cmds.c | 67 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 95 insertions(+) diff --git a/hmp-commands.hx b/hmp-commands.hx index 8e45bce2cd..426a7d6cda 100644 --- a/hmp-commands.hx +++ b/hmp-commands.hx @@ -1292,6 +1292,32 @@ SRST Remove host network device. ERST + { + .name = "passthrough_filter_add", + .args_type = "protocol:s?,object-name:s,src:s?,dst:s?", + .params = "[protocol] object-name [src] [dst]", + .help = "Add network passthrough rule to object passthrough list", + .cmd = hmp_passthrough_filter_add, + }, + +SRST +``passthrough_filter_add`` + Add network stream to object passthrough list. +ERST + + { + .name = "passthrough_filter_del", + .args_type = "protocol:s?,object-name:s,src:s?,dst:s?", + .params = "[protocol] object-name [src] [dst]", + .help = "Delete network passthrough rule from object passthrough list", + .cmd = hmp_passthrough_filter_del, + }, + +SRST +``passthrough_filter_del`` + Delete network stream from object passthrough list. +ERST + { .name = "object_add", .args_type = "object:S", diff --git a/include/monitor/hmp.h b/include/monitor/hmp.h index 3baa1058e2..ba6987e552 100644 --- a/include/monitor/hmp.h +++ b/include/monitor/hmp.h @@ -77,6 +77,8 @@ void hmp_device_del(Monitor *mon, const QDict *qdict); void hmp_dump_guest_memory(Monitor *mon, const QDict *qdict); void hmp_netdev_add(Monitor *mon, const QDict *qdict); void hmp_netdev_del(Monitor *mon, const QDict *qdict); +void hmp_passthrough_filter_add(Monitor *mon, const QDict *qdict); +void hmp_passthrough_filter_del(Monitor *mon, const QDict *qdict); void hmp_getfd(Monitor *mon, const QDict *qdict); void hmp_closefd(Monitor *mon, const QDict *qdict); void hmp_sendkey(Monitor *mon, const QDict *qdict); diff --git a/monitor/hmp-cmds.c b/monitor/hmp-cmds.c index 0942027208..b47a2e4850 100644 --- a/monitor/hmp-cmds.c +++ b/monitor/hmp-cmds.c @@ -1638,6 +1638,73 @@ void hmp_netdev_del(Monitor *mon, const QDict *qdict) hmp_handle_error(mon, err); } +IPFlowSpec *hmp_parse_IPFlowSpec(Monitor *mon, const QDict *qdict) +{ + IPFlowSpec *spec = g_new0(IPFlowSpec, 1); + char *src, *dst; + + spec->protocol = g_strdup(qdict_get_try_str(qdict, "protocol")); + spec->object_name = g_strdup(qdict_get_try_str(qdict, "object-name")); + src = g_strdup(qdict_get_try_str(qdict, "src")); + dst = g_strdup(qdict_get_try_str(qdict, "dst")); + + if (src) { + spec->source = g_new0(InetSocketAddressBase, 1); + + if (inet_parse_base(spec->source, src, NULL)) { + monitor_printf(mon, "Incorrect passthrough src address\n"); + g_free(spec->source); + g_free(src); + goto err; + } + g_free(src); + } + + if (dst) { + spec->destination = g_new0(InetSocketAddressBase, 1); + + if (inet_parse_base(spec->destination, dst, NULL)) { + monitor_printf(mon, "Incorrect passthrough dst address\n"); + g_free(spec->destination); + g_free(dst); + goto err; + } + g_free(dst); + } + + return spec; + +err: + g_free(spec); + return NULL; +} + +void hmp_passthrough_filter_add(Monitor *mon, const QDict *qdict) +{ + IPFlowSpec *spec; + Error *err = NULL; + + spec = hmp_parse_IPFlowSpec(mon, qdict); + if (spec) { + qmp_passthrough_filter_add(spec, &err); + } + + hmp_handle_error(mon, err); +} + +void hmp_passthrough_filter_del(Monitor *mon, const QDict *qdict) +{ + IPFlowSpec *spec; + Error *err = NULL; + + spec = hmp_parse_IPFlowSpec(mon, qdict); + if (spec) { + qmp_passthrough_filter_del(spec, &err); + } + + hmp_handle_error(mon, err); +} + void hmp_object_add(Monitor *mon, const QDict *qdict) { const char *options = qdict_get_str(qdict, "object");