From patchwork Fri Aug 10 17:43:51 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luiz Capitulino X-Patchwork-Id: 176582 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 489C02C00C5 for ; Sat, 11 Aug 2012 04:26:13 +1000 (EST) Received: from localhost ([::1]:48283 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SztGO-0001PY-4U for incoming@patchwork.ozlabs.org; Fri, 10 Aug 2012 13:44:44 -0400 Received: from eggs.gnu.org ([208.118.235.92]:34723) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SztFu-0000mG-KG for qemu-devel@nongnu.org; Fri, 10 Aug 2012 13:44:16 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SztFt-0001Tl-Go for qemu-devel@nongnu.org; Fri, 10 Aug 2012 13:44:14 -0400 Received: from mx1.redhat.com ([209.132.183.28]:59467) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SztFt-0001Tb-74 for qemu-devel@nongnu.org; Fri, 10 Aug 2012 13:44:13 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id q7AHiB8p015266 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 10 Aug 2012 13:44:11 -0400 Received: from localhost (ovpn-113-102.phx2.redhat.com [10.3.113.102]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id q7AHi9Oo018609; Fri, 10 Aug 2012 13:44:10 -0400 From: Luiz Capitulino To: qemu-devel@nongnu.org Date: Fri, 10 Aug 2012 14:43:51 -0300 Message-Id: <1344620653-29067-14-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1344620653-29067-1-git-send-email-lcapitulino@redhat.com> References: <1344620653-29067-1-git-send-email-lcapitulino@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com, aliguori@us.ibm.com, armbru@redhat.com, mdroth@linux.vnet.ibm.com, pbonzini@redhat.com, eblake@redhat.com Subject: [Qemu-devel] [PATCH 13/35] hmp_change(): don't access DeviceEncrypted's data 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 It's not needed. As the device name is already known, we can replace the duplicated password prompting code by monitor_read_block_device_key(). This overly simplifies hmp_change(). Signed-off-by: Luiz Capitulino --- hmp.c | 29 ++--------------------------- 1 file changed, 2 insertions(+), 27 deletions(-) diff --git a/hmp.c b/hmp.c index 4efaf51..54c37d7 100644 --- a/hmp.c +++ b/hmp.c @@ -776,22 +776,6 @@ static void hmp_change_read_arg(Monitor *mon, const char *password, monitor_read_command(mon, 1); } -static void cb_hmp_change_bdrv_pwd(Monitor *mon, const char *password, - void *opaque) -{ - Error *encryption_err = opaque; - Error *err = NULL; - const char *device; - - device = error_get_field(encryption_err, "device"); - - qmp_block_passwd(device, password, &err); - hmp_handle_error(mon, &err); - error_free(encryption_err); - - monitor_read_command(mon, 1); -} - void hmp_change(Monitor *mon, const QDict *qdict) { const char *device = qdict_get_str(qdict, "device"); @@ -810,17 +794,8 @@ void hmp_change(Monitor *mon, const QDict *qdict) qmp_change(device, target, !!arg, arg, &err); if (error_is_type(err, QERR_DEVICE_ENCRYPTED)) { - monitor_printf(mon, "%s (%s) is encrypted.\n", - error_get_field(err, "device"), - error_get_field(err, "filename")); - if (!monitor_get_rs(mon)) { - monitor_printf(mon, - "terminal does not support password prompting\n"); - error_free(err); - return; - } - readline_start(monitor_get_rs(mon), "Password: ", 1, - cb_hmp_change_bdrv_pwd, err); + error_free(err); + monitor_read_block_device_key(mon, device, NULL, NULL); return; } hmp_handle_error(mon, &err);