From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6E30FC433FE for ; Fri, 13 May 2022 18:10:25 +0000 (UTC) Received: from localhost ([::1]:36430 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1npZk8-0003eu-Ht for qemu-devel@archiver.kernel.org; Fri, 13 May 2022 14:10:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56592) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npZiV-0000p8-Nb for qemu-devel@nongnu.org; Fri, 13 May 2022 14:08:43 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:32532) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1npZiU-00070Z-5k for qemu-devel@nongnu.org; Fri, 13 May 2022 14:08:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1652465321; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=cuAqkUPEiEthZ35kiz/2rgeUeVaqzBg0dF3Oi579Z68=; b=Gq10KYCA0dVvErL4pz+ise9C6BSM3XsFfMgE3y+uXnSkQACH34xAZdJa0pN767KxwczREP tc89elE0yQWLr4d0uLIxqCKzCjuD779CR5M3IgTS0Aesw2AcUZTMCH4B5p8mLnqij456yP 2s+uRKj38tjixqOJHlg0OjXV5eQ0FDE= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-511-b-llxf2SOS-0jsYVqBYi7Q-1; Fri, 13 May 2022 14:08:38 -0400 X-MC-Unique: b-llxf2SOS-0jsYVqBYi7Q-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1DCD9185A794; Fri, 13 May 2022 18:08:38 +0000 (UTC) Received: from localhost (unknown [10.39.192.38]) by smtp.corp.redhat.com (Postfix) with ESMTP id DD9A4416369; Fri, 13 May 2022 18:08:36 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Konstantin Kostiuk , Michael Roth , Markus Armbruster , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PATCH v3 06/15] qga: use qemu_open_cloexec() for safe_open_or_create() Date: Fri, 13 May 2022 20:08:12 +0200 Message-Id: <20220513180821.905149-7-marcandre.lureau@redhat.com> In-Reply-To: <20220513180821.905149-1-marcandre.lureau@redhat.com> References: <20220513180821.905149-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -28 X-Spam_score: -2.9 X-Spam_bar: -- X-Spam_report: (-2.9 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.082, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Marc-André Lureau The function takes care of setting CLOEXEC, and reporting error. The reported error message will differ, from: "failed to open file 'foo' (mode: 'r')" to: "Failed to open file 'foo'" Signed-off-by: Marc-André Lureau --- qga/commands-posix.c | 13 +++++-------- 1 file changed, 5 insertions(+), 8 deletions(-) diff --git a/qga/commands-posix.c b/qga/commands-posix.c index 15eb7cb77d..7761458ce1 100644 --- a/qga/commands-posix.c +++ b/qga/commands-posix.c @@ -339,6 +339,7 @@ find_open_flag(const char *mode_str, Error **errp) static FILE * safe_open_or_create(const char *path, const char *mode, Error **errp) { + ERRP_GUARD(); int oflag; int fd = -1; FILE *f = NULL; @@ -370,21 +371,17 @@ safe_open_or_create(const char *path, const char *mode, Error **errp) * open() is decisive and its third argument is ignored, and the second * open() and the fchmod() are never called. */ - fd = open(path, oflag | ((oflag & O_CREAT) ? O_EXCL : 0), 0); + fd = qemu_open_cloexec(path, oflag | ((oflag & O_CREAT) ? O_EXCL : 0), 0, errp); if (fd == -1 && errno == EEXIST) { + error_free(*errp); + *errp = NULL; oflag &= ~(unsigned)O_CREAT; - fd = open(path, oflag); + fd = qemu_open_cloexec(path, oflag, 0, errp); } if (fd == -1) { - error_setg_errno(errp, errno, - "failed to open file '%s' " - "(mode: '%s')", - path, mode); goto end; } - qemu_set_cloexec(fd); - if ((oflag & O_CREAT) && fchmod(fd, DEFAULT_NEW_FILE_MODE) == -1) { error_setg_errno(errp, errno, "failed to set permission 0%03o on new file '%s' (mode: '%s')", -- 2.36.1