From nobody Sun Nov 16 14:25:33 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1600533304; cv=none; d=zohomail.com; s=zohoarc; b=cQgOjEtQFq8b4zZlCIcI+s5tgSY/AvEbO/5glojbKDZ4N6BIV/FbS1Kegb6A0DFoHoosQrMmP/ZFeAjjEXzHpM3gZbIjhMFnkrp3cKz62FckpYXXacE28gmQPXv+C22sXR1YuVxm60XfurrkGaGthptOTiDKO0/6p6k7JJkSmVY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1600533304; h=Content-Type:Content-Transfer-Encoding:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=zRK53+pDYcDLjVOE+RyVzoB7xkv++WHHTKynkaeNFbI=; b=TLKrQHtROPMYlKM2ZsfHzy5JkLs/bx/tI7oustK77Ut5XtvUVBrzR9yzsblimrY7F4mhYZqAxhP7IOQCP8BEQNgmgIfprdXBDZcrOGo6LqDMiTq0xi+Ebzo/5HFgJ6vg8iOhE78r0Wc0WVlcXeqOeDoYhTQFvqQehUEFyaz9+zI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1600533304450188.06474847525976; Sat, 19 Sep 2020 09:35:04 -0700 (PDT) Received: from localhost ([::1]:45606 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kJfpH-0007CO-43 for importer@patchew.org; Sat, 19 Sep 2020 12:35:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51604) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kJfHR-0005YW-6U for qemu-devel@nongnu.org; Sat, 19 Sep 2020 12:00:09 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:40962) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kJfHG-0007S1-P2 for qemu-devel@nongnu.org; Sat, 19 Sep 2020 12:00:04 -0400 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-518-umYU5o3lOHWIFH8TAJ0y0g-1; Sat, 19 Sep 2020 11:59:52 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2D7DA10066FC for ; Sat, 19 Sep 2020 15:59:51 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id F01E455770 for ; Sat, 19 Sep 2020 15:59:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1600531194; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=zRK53+pDYcDLjVOE+RyVzoB7xkv++WHHTKynkaeNFbI=; b=GlvLuJOeVnLac9FijIkAYahTAFs86hD8/dYbf41mRor/AU650byLcun83f70iMZnrM6WMi CsP9VxSrrOa6IAYk87XwU5EjbVhlq5ytqgFmG1fhifPU7euzjIsT8XvkDEBH1FaKT5Nnqx kLR3ArQ6NST36bM55LD//vYUAuG1lgY= X-MC-Unique: umYU5o3lOHWIFH8TAJ0y0g-1 From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 47/57] net: relocate paths to helpers and scripts Date: Sat, 19 Sep 2020 11:59:06 -0400 Message-Id: <20200919155916.1046398-48-pbonzini@redhat.com> In-Reply-To: <20200919155916.1046398-1-pbonzini@redhat.com> References: <20200919155916.1046398-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/19 11:03:07 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -50 X-Spam_score: -5.1 X-Spam_bar: ----- X-Spam_report: (-5.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.996, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) Content-Type: text/plain; charset="utf-8" Signed-off-by: Paolo Bonzini --- include/net/net.h | 4 ++-- net/tap.c | 26 +++++++++++++++++++------- 2 files changed, 21 insertions(+), 9 deletions(-) diff --git a/include/net/net.h b/include/net/net.h index e7ef42d62b..897b2d7595 100644 --- a/include/net/net.h +++ b/include/net/net.h @@ -209,8 +209,8 @@ void netdev_add(QemuOpts *opts, Error **errp); int net_hub_id_for_client(NetClientState *nc, int *id); NetClientState *net_hub_port_find(int hub_id); =20 -#define DEFAULT_NETWORK_SCRIPT "/etc/qemu-ifup" -#define DEFAULT_NETWORK_DOWN_SCRIPT "/etc/qemu-ifdown" +#define DEFAULT_NETWORK_SCRIPT CONFIG_SYSCONFDIR "/qemu-ifup" +#define DEFAULT_NETWORK_DOWN_SCRIPT CONFIG_SYSCONFDIR "/qemu-ifdown" #define DEFAULT_BRIDGE_HELPER CONFIG_QEMU_HELPERDIR "/qemu-bridge-helper" #define DEFAULT_BRIDGE_INTERFACE "br0" =20 diff --git a/net/tap.c b/net/tap.c index 14dc904fca..04ce72dd2f 100644 --- a/net/tap.c +++ b/net/tap.c @@ -478,6 +478,7 @@ static int net_bridge_run_helper(const char *helper, co= nst char *bridge, Error **errp) { sigset_t oldmask, mask; + g_autofree char *default_helper =3D NULL; int pid, status; char *args[5]; char **parg; @@ -487,6 +488,10 @@ static int net_bridge_run_helper(const char *helper, c= onst char *bridge, sigaddset(&mask, SIGCHLD); sigprocmask(SIG_BLOCK, &mask, &oldmask); =20 + if (!helper) { + helper =3D default_helper =3D get_relocated_path(DEFAULT_BRIDGE_HE= LPER); + } + if (socketpair(PF_UNIX, SOCK_STREAM, 0, sv) =3D=3D -1) { error_setg_errno(errp, errno, "socketpair() failed"); return -1; @@ -588,8 +593,7 @@ int net_init_bridge(const Netdev *netdev, const char *n= ame, =20 assert(netdev->type =3D=3D NET_CLIENT_DRIVER_BRIDGE); bridge =3D &netdev->u.bridge; - - helper =3D bridge->has_helper ? bridge->helper : DEFAULT_BRIDGE_HELPER; + helper =3D bridge->has_helper ? bridge->helper : NULL; br =3D bridge->has_br ? bridge->br : DEFAULT_BRIDGE_INTERF= ACE; =20 fd =3D net_bridge_run_helper(helper, br, errp); @@ -773,8 +777,8 @@ int net_init_tap(const Netdev *netdev, const char *name, const NetdevTapOptions *tap; int fd, vnet_hdr =3D 0, i =3D 0, queues; /* for the no-fd, no-helper case */ - const char *script =3D NULL; /* suppress wrong "uninit'd use" gcc warn= ing */ - const char *downscript =3D NULL; + const char *script; + const char *downscript; Error *err =3D NULL; const char *vhostfdname; char ifname[128]; @@ -784,6 +788,8 @@ int net_init_tap(const Netdev *netdev, const char *name, tap =3D &netdev->u.tap; queues =3D tap->has_queues ? tap->queues : 1; vhostfdname =3D tap->has_vhostfd ? tap->vhostfd : NULL; + script =3D tap->has_script ? tap->script : NULL; + downscript =3D tap->has_downscript ? tap->downscript : NULL; =20 /* QEMU hubs do not support multiqueue tap, in this case peer is set. * For -netdev, peer is always NULL. */ @@ -934,13 +940,19 @@ free_fail: return -1; } } else { + g_autofree char *default_script =3D NULL; + g_autofree char *default_downscript =3D NULL; if (tap->has_vhostfds) { error_setg(errp, "vhostfds=3D is invalid if fds=3D wasn't spec= ified"); return -1; } - script =3D tap->has_script ? tap->script : DEFAULT_NETWORK_SCRIPT; - downscript =3D tap->has_downscript ? tap->downscript : - DEFAULT_NETWORK_DOWN_SCRIPT; + + if (!script) { + script =3D default_script =3D get_relocated_path(DEFAULT_NETWO= RK_SCRIPT); + } + if (!downscript) { + downscript =3D default_downscript =3D get_relocated_path(DEFAU= LT_NETWORK_SCRIPT); + } =20 if (tap->has_ifname) { pstrcpy(ifname, sizeof ifname, tap->ifname); --=20 2.26.2