From patchwork Tue Aug 3 11:43:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Chung X-Patchwork-Id: 491793 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-23.5 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, UNWANTED_LANGUAGE_BODY, USER_AGENT_GIT, USER_IN_DEF_DKIM_WL autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3FBD5C432BE for ; Tue, 3 Aug 2021 11:44:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2AAD0610A2 for ; Tue, 3 Aug 2021 11:44:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236274AbhHCLou (ORCPT ); Tue, 3 Aug 2021 07:44:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45550 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235965AbhHCLoP (ORCPT ); Tue, 3 Aug 2021 07:44:15 -0400 Received: from mail-qv1-xf49.google.com (mail-qv1-xf49.google.com [IPv6:2607:f8b0:4864:20::f49]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B1E9C06175F for ; Tue, 3 Aug 2021 04:44:03 -0700 (PDT) Received: by mail-qv1-xf49.google.com with SMTP id z25-20020a0ca9590000b029033ba243ffa1so12049816qva.0 for ; Tue, 03 Aug 2021 04:44:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=NHnWpmnchr1M3qNJZS28mvOxF/U82MrGnXWxqqn/Vsc=; b=uwwXqnfXoI7xA6cEZQgawGuiwH/CzRZprlrIG+nRoovcmoerJ5Q3b8Fxs2RDCf9Vlt QzK58U2Ew67zcRsZksHzJpyjIwcb2cS4fKKuNRf7givn4YOcWPHN3SJucWz9s2kq3YGL Jekm9ATBn7xe1henHWVrb7z3zY9eBTkCwDss+AA5GO0Mff1YCONYGQregmvlrMk9ZpNs pvVsPX2oZbN7vb/jhIQbVsY9mCOvwUZGK1rzn01ISp8NMUiF+Bm7/tWsMg5fnCTYlyxO 00V1ma9gzC9ZfwYA1ycYmQP0Pxcs0FD1b/jgGwibaaDe/CuAYs5QgJcsYa4tSeaJkd7h Rp0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=NHnWpmnchr1M3qNJZS28mvOxF/U82MrGnXWxqqn/Vsc=; b=Xc8xOwmaQ15ah44O5X0rl/onUniro6gbOhLABmNu3Ero1N+hq5+SQHE4j2IGP5z7Rk +qv6xXucaMzflP1Q5+7KP8bhTIbiJyxfA9K4RqXq0nvvKWhZJETGRX9BKHCKC3HO/90S iIpy4mkX6Xmv5CQdh05m3vvxv3ncJW5XxRz34tLPGhEIXGMaALz+Ygh9rD4m6FU93D8b 9LJSsqfBDemOjvCmgp30N0KCTxX/KSauo9gq9Pm1N5/8e1ngBPIqJBeeaG+tMgAr14fl XDVGDDYNQWtCeST5nIRzdyn+vM3CPXtBp0xP/ZayWybv1bom+BGVPUI5QwwfkUSh8uJP oiVA== X-Gm-Message-State: AOAM531R6VF9I3ZE4Ofq9UQOYdkgn49eqcOEVnhYCX00zllku86nUaaa YYA6iOoFyiFV22dYepBOHrvq+QGb4UbWFdKxaK4Eq86fxW4gW+pdLsMepJHiLEnKuKKeohtlXuA aMF/hpkHMETry850jSTM9Bh0sUG9maQD3V1o2kAyrW/yD2R2y13Q/VNkjn32FiB7caKRKgPvevK n4NdWMXErbSnE= X-Google-Smtp-Source: ABdhPJxd1+SfU51n8Qz+RMRTBm0No1lCDNwU6drDW9tjhvL6VtA2oYtff1TwVVsc0Q4gE30XDlhk7hO6rk/qEcDsuw== X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:ef55:8161:c77b:7a8d]) (user=howardchung job=sendgmr) by 2002:a0c:e941:: with SMTP id n1mr21392687qvo.47.1627991042203; Tue, 03 Aug 2021 04:44:02 -0700 (PDT) Date: Tue, 3 Aug 2021 19:43:14 +0800 In-Reply-To: <20210803114317.801840-1-howardchung@google.com> Message-Id: <20210803194127.Bluez.v9.10.I570c860f59c8ed66ddb31aa54584ee08080aa10c@changeid> Mime-Version: 1.0 References: <20210803114317.801840-1-howardchung@google.com> X-Mailer: git-send-email 2.32.0.554.ge1b32706d8-goog Subject: [Bluez PATCH v9 10/13] plugins/admin: add AffectedByPolicy property From: Howard Chung To: linux-bluetooth@vger.kernel.org, luiz.dentz@gmail.com Cc: Yun-Hao Chung , Miao-chen Chou Precedence: bulk List-ID: X-Mailing-List: linux-bluetooth@vger.kernel.org From: Yun-Hao Chung This adds property to indicate if a device has any service that is being blocked by admin policy. Reviewed-by: Miao-chen Chou --- The following test steps were performed: 1. Set ServiceAllowList to [] 2. Verify AffectedByPolicy of K830 is False 3. Set ServiceAllowList to ["1800"] 4. Verify AffectedByPolicy of K830 is False 5. Set ServiceAllowList to ["1800","1801","180A","180F","1812"] 6. Verify AffectedByPolicy of K830 is True (no changes since v1) plugins/admin.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 71 insertions(+), 2 deletions(-) diff --git a/plugins/admin.c b/plugins/admin.c index 0a0d8a39ed37..7936f8c11475 100644 --- a/plugins/admin.c +++ b/plugins/admin.c @@ -46,6 +46,7 @@ static struct btd_admin_policy { struct device_data { struct btd_device *device; char *path; + bool affected; }; static struct btd_admin_policy *admin_policy_new(struct btd_adapter *adapter) @@ -139,6 +140,27 @@ static bool service_allowlist_set(struct btd_admin_policy *admin_policy, return true; } +static void update_device_affected(void *data, void *user_data) +{ + struct device_data *dev_data = data; + bool affected; + + if (!dev_data) { + error("Unexpected NULL device_data when updating device"); + return; + } + + affected = !btd_device_all_services_allowed(dev_data->device); + + if (affected == dev_data->affected) + return; + + dev_data->affected = affected; + + g_dbus_emit_property_changed(dbus_conn, dev_data->path, + ADMIN_POLICY_STATUS_INTERFACE, "AffectedByPolicy"); +} + static DBusMessage *set_service_allowlist(DBusConnection *conn, DBusMessage *msg, void *user_data) { @@ -167,6 +189,8 @@ static DBusMessage *set_service_allowlist(DBusConnection *conn, ADMIN_POLICY_STATUS_INTERFACE, "ServiceAllowList"); + queue_foreach(devices, update_device_affected, NULL); + return dbus_message_new_method_return(msg); } @@ -226,6 +250,28 @@ static bool device_data_match(const void *a, const void *b) return data->device == dev; } +static gboolean property_get_affected_by_policy( + const GDBusPropertyTable *property, + DBusMessageIter *iter, void *user_data) +{ + struct device_data *data = user_data; + + if (!data) { + error("Unexpected error: device_data is NULL"); + return FALSE; + } + + dbus_message_iter_append_basic(iter, DBUS_TYPE_BOOLEAN, + &data->affected); + + return TRUE; +} + +static const GDBusPropertyTable admin_policy_device_properties[] = { + { "AffectedByPolicy", "b", property_get_affected_by_policy }, + { } +}; + static void free_device_data(void *data) { struct device_data *device_data = data; @@ -308,11 +354,33 @@ static void admin_policy_device_added(struct btd_adapter *adapter, data->device = device; data->path = g_strdup(device_get_path(device)); + data->affected = !btd_device_all_services_allowed(data->device); + + if (!g_dbus_register_interface(dbus_conn, data->path, + ADMIN_POLICY_STATUS_INTERFACE, + NULL, NULL, + admin_policy_device_properties, + data, remove_device_data)) { + btd_error(btd_adapter_get_index(adapter), + "Admin Policy Status interface init failed on path %s", + device_get_path(device)); + free_device_data(data); + return; + } + queue_push_tail(devices, data); DBG("device_data for %s added", data->path); } +static void unregister_device_data(void *data, void *user_data) +{ + struct device_data *dev_data = data; + + g_dbus_unregister_interface(dbus_conn, dev_data->path, + ADMIN_POLICY_STATUS_INTERFACE); +} + static void admin_policy_device_removed(struct btd_adapter *adapter, struct btd_device *device) { @@ -321,7 +389,7 @@ static void admin_policy_device_removed(struct btd_adapter *adapter, data = queue_find(devices, device_data_match, device); if (data) - remove_device_data(data); + unregister_device_data(data, NULL); } static struct btd_adapter_driver admin_policy_driver = { @@ -347,7 +415,8 @@ static void admin_exit(void) DBG(""); btd_unregister_adapter_driver(&admin_policy_driver); - queue_destroy(devices, free_device_data); + queue_foreach(devices, unregister_device_data, NULL); + queue_destroy(devices, g_free); if (policy_data) admin_policy_free(policy_data);