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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98BE8C433EF for ; Thu, 28 Oct 2021 10:41:28 +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 1525361073 for ; Thu, 28 Oct 2021 10:41:28 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 1525361073 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:45760 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mg2qc-0001S2-WA for qemu-devel@archiver.kernel.org; Thu, 28 Oct 2021 06:41:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56618) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mg2c0-0007rm-HD for qemu-devel@nongnu.org; Thu, 28 Oct 2021 06:26:20 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:31667) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mg2by-00039J-Nb for qemu-devel@nongnu.org; Thu, 28 Oct 2021 06:26:20 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1635416778; 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=sws2OfWSHFDpJO2woYTEiLrorAEBvDtyT52UMf2rVh0=; b=CjfAaETXDzX+InUt/gAN2uiOZXq8jBAic5Uj6lRgQTloeeBmnLHROG8keukBKhFAc1GL/i xm/ARPHm9gjYbrihhjLKgUm5ciAbsqp9lDQqXgsIHlm0cSa8b0jEaILXOugg4WpPli4L25 5uj1U9/bZZCjeID8efMHzafuoQHiFsc= 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-76-55MdT7BdP8mUKHpmK2gwxg-1; Thu, 28 Oct 2021 06:26:14 -0400 X-MC-Unique: 55MdT7BdP8mUKHpmK2gwxg-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id CF93A8030A0; Thu, 28 Oct 2021 10:26:13 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-112-7.ams2.redhat.com [10.36.112.7]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 654D269214; Thu, 28 Oct 2021 10:25:44 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id 52F6411380D7; Thu, 28 Oct 2021 12:25:20 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH v2 8/9] qapi: Factor out compat_policy_input_ok() Date: Thu, 28 Oct 2021 12:25:19 +0200 Message-Id: <20211028102520.747396-9-armbru@redhat.com> In-Reply-To: <20211028102520.747396-1-armbru@redhat.com> References: <20211028102520.747396-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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: kwolf@redhat.com, pkrempa@redhat.com, berrange@redhat.com, ehabkost@redhat.com, qemu-block@nongnu.org, quintela@redhat.com, libvir-list@redhat.com, eblake@redhat.com, kchamart@redhat.com, mdroth@linux.vnet.ibm.com, dgilbert@redhat.com, pbonzini@redhat.com, marcandre.lureau@redhat.com, philmd@redhat.com, jsnow@redhat.com, libguestfs@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The code to check policy for handling deprecated input is triplicated. Factor it out into compat_policy_input_ok() before I mess with it in the next commit. Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daudé --- include/qapi/compat-policy.h | 7 +++++ qapi/qapi-visit-core.c | 18 +++++-------- qapi/qmp-dispatch.c | 51 +++++++++++++++++++++++++++--------- qapi/qobject-input-visitor.c | 19 +++----------- 4 files changed, 55 insertions(+), 40 deletions(-) diff --git a/include/qapi/compat-policy.h b/include/qapi/compat-policy.h index 1083f95122..8b7b25c0b5 100644 --- a/include/qapi/compat-policy.h +++ b/include/qapi/compat-policy.h @@ -13,10 +13,17 @@ #ifndef QAPI_COMPAT_POLICY_H #define QAPI_COMPAT_POLICY_H +#include "qapi/error.h" #include "qapi/qapi-types-compat.h" extern CompatPolicy compat_policy; +bool compat_policy_input_ok(unsigned special_features, + const CompatPolicy *policy, + ErrorClass error_class, + const char *kind, const char *name, + Error **errp); + /* * Create a QObject input visitor for @obj for use with QMP * diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index 34c59286b2..6c13510a2b 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -13,6 +13,7 @@ */ #include "qemu/osdep.h" +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qapi/qmp/qerror.h" #include "qapi/visitor.h" @@ -409,18 +410,11 @@ static bool input_type_enum(Visitor *v, const char *name, int *obj, } if (lookup->special_features - && (lookup->special_features[value] & QAPI_DEPRECATED)) { - switch (v->compat_policy.deprecated_input) { - case COMPAT_POLICY_INPUT_ACCEPT: - break; - case COMPAT_POLICY_INPUT_REJECT: - error_setg(errp, "Deprecated value '%s' disabled by policy", - enum_str); - return false; - case COMPAT_POLICY_INPUT_CRASH: - default: - abort(); - } + && !compat_policy_input_ok(lookup->special_features[value], + &v->compat_policy, + ERROR_CLASS_GENERIC_ERROR, + "value", enum_str, errp)) { + return false; } *obj = value; diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c index 8cca18c891..e29ade134c 100644 --- a/qapi/qmp-dispatch.c +++ b/qapi/qmp-dispatch.c @@ -28,6 +28,40 @@ CompatPolicy compat_policy; +static bool compat_policy_input_ok1(const char *adjective, + CompatPolicyInput policy, + ErrorClass error_class, + const char *kind, const char *name, + Error **errp) +{ + switch (policy) { + case COMPAT_POLICY_INPUT_ACCEPT: + return true; + case COMPAT_POLICY_INPUT_REJECT: + error_set(errp, error_class, "%s %s %s disabled by policy", + adjective, kind, name); + return false; + case COMPAT_POLICY_INPUT_CRASH: + default: + abort(); + } +} + +bool compat_policy_input_ok(unsigned special_features, + const CompatPolicy *policy, + ErrorClass error_class, + const char *kind, const char *name, + Error **errp) +{ + if ((special_features & 1u << QAPI_DEPRECATED) + && !compat_policy_input_ok1("Deprecated", + policy->deprecated_input, + error_class, kind, name, errp)) { + return false; + } + return true; +} + Visitor *qobject_input_visitor_new_qmp(QObject *obj) { Visitor *v = qobject_input_visitor_new(obj); @@ -176,19 +210,10 @@ QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request, "The command %s has not been found", command); goto out; } - if (cmd->special_features & 1u << QAPI_DEPRECATED) { - switch (compat_policy.deprecated_input) { - case COMPAT_POLICY_INPUT_ACCEPT: - break; - case COMPAT_POLICY_INPUT_REJECT: - error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND, - "Deprecated command %s disabled by policy", - command); - goto out; - case COMPAT_POLICY_INPUT_CRASH: - default: - abort(); - } + if (!compat_policy_input_ok(cmd->special_features, &compat_policy, + ERROR_CLASS_COMMAND_NOT_FOUND, + "command", command, &err)) { + goto out; } if (!cmd->enabled) { error_set(&err, ERROR_CLASS_COMMAND_NOT_FOUND, diff --git a/qapi/qobject-input-visitor.c b/qapi/qobject-input-visitor.c index c120dbdd92..f0b4c7ca9d 100644 --- a/qapi/qobject-input-visitor.c +++ b/qapi/qobject-input-visitor.c @@ -14,6 +14,7 @@ #include "qemu/osdep.h" #include +#include "qapi/compat-policy.h" #include "qapi/error.h" #include "qapi/qobject-input-visitor.h" #include "qapi/visitor-impl.h" @@ -666,21 +667,9 @@ static bool qobject_input_policy_reject(Visitor *v, const char *name, unsigned special_features, Error **errp) { - if (!(special_features & 1u << QAPI_DEPRECATED)) { - return false; - } - - switch (v->compat_policy.deprecated_input) { - case COMPAT_POLICY_INPUT_ACCEPT: - return false; - case COMPAT_POLICY_INPUT_REJECT: - error_setg(errp, "Deprecated parameter '%s' disabled by policy", - name); - return true; - case COMPAT_POLICY_INPUT_CRASH: - default: - abort(); - } + return !compat_policy_input_ok(special_features, &v->compat_policy, + ERROR_CLASS_GENERIC_ERROR, + "parameter", name, errp); } static void qobject_input_free(Visitor *v) -- 2.31.1