From patchwork Sat Jul 12 09:46:29 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joakim Tjernlund X-Patchwork-Id: 369283 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 968AE140086 for ; Sat, 12 Jul 2014 19:47:08 +1000 (EST) Received: from localhost ([::1]:48319 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X5tta-0001y4-H8 for incoming@patchwork.ozlabs.org; Sat, 12 Jul 2014 05:47:06 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35061) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X5ttB-0001X1-IN for qemu-devel@nongnu.org; Sat, 12 Jul 2014 05:46:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1X5tt5-0002Xj-89 for qemu-devel@nongnu.org; Sat, 12 Jul 2014 05:46:41 -0400 Received: from gw1.transmode.se ([195.58.98.146]:50249) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1X5tt5-0002XO-1x for qemu-devel@nongnu.org; Sat, 12 Jul 2014 05:46:35 -0400 Received: from mail1.transmode.se (mail1.transmode.se [192.168.201.18]) by gw1.transmode.se (Postfix) with ESMTP id 040D04840F4 for ; Sat, 12 Jul 2014 11:46:32 +0200 (CEST) Received: from gentoo-jocke.transmode.se ([172.20.4.10]) by mail1.transmode.se (Lotus Domino Release 8.5.3FP6) with ESMTP id 2014071211463140-94758 ; Sat, 12 Jul 2014 11:46:31 +0200 Received: from gentoo-jocke.transmode.se (localhost [127.0.0.1]) by gentoo-jocke.transmode.se (8.14.9/8.14.4) with ESMTP id s6C9kVda027438; Sat, 12 Jul 2014 11:46:31 +0200 Received: (from jocke@localhost) by gentoo-jocke.transmode.se (8.14.9/8.14.9/Submit) id s6C9kVSK027437; Sat, 12 Jul 2014 11:46:31 +0200 From: Joakim Tjernlund To: qemu-devel@nongnu.org Date: Sat, 12 Jul 2014 11:46:29 +0200 Message-Id: <1405158390-27397-1-git-send-email-Joakim.Tjernlund@transmode.se> X-Mailer: git-send-email 1.8.5.5 X-MIMETrack: Itemize by SMTP Server on mail1/Transmode(Release 8.5.3FP6|November 21, 2013) at 12/07/2014 11:46:31, Serialize by Router on mail1/Transmode(Release 8.5.3FP6|November 21, 2013) at 12/07/2014 11:46:31, Serialize complete at 12/07/2014 11:46:31 X-TNEFEvaluated: 1 X-detected-operating-system: by eggs.gnu.org: FreeBSD 9.x [fuzzy] X-Received-From: 195.58.98.146 Cc: Joakim Tjernlund Subject: [Qemu-devel] [PATCH 1/2 v2] qemu-user: Impl. setsockopt(SO_BINDTODEVICE) X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org --- linux-user/syscall.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 57c1664..5a07d9c 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1497,6 +1497,25 @@ set_timeout: unlock_user_struct(tfprog, optval_addr, 1); return ret; } + case TARGET_SO_BINDTODEVICE: + { + char *dev_ifname, *addr_ifname; + + dev_ifname = lock_user(VERIFY_READ, optval_addr, optlen, 1); + if (!dev_ifname) { + return -TARGET_EFAULT; + } + if (optlen > IFNAMSIZ - 1) { + optlen = IFNAMSIZ - 1; + } + optname = SO_BINDTODEVICE; + addr_ifname = alloca(IFNAMSIZ); + memcpy(addr_ifname, dev_ifname, IFNAMSIZ); + addr_ifname[IFNAMSIZ - 1] = 0; + ret = get_errno(setsockopt(sockfd, level, optname, addr_ifname, optlen)); + unlock_user (dev_ifname, optval_addr, 0); + return ret; + } /* Options with 'int' argument. */ case TARGET_SO_DEBUG: optname = SO_DEBUG;