From patchwork Thu Jul 8 06:23:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Chung X-Patchwork-Id: 471392 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=-27.0 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, URIBL_BLOCKED,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 30170C07E96 for ; Thu, 8 Jul 2021 06:24:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18A8461C59 for ; Thu, 8 Jul 2021 06:24:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229966AbhGHG0s (ORCPT ); Thu, 8 Jul 2021 02:26:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229863AbhGHG0s (ORCPT ); Thu, 8 Jul 2021 02:26:48 -0400 Received: from mail-pf1-x449.google.com (mail-pf1-x449.google.com [IPv6:2607:f8b0:4864:20::449]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 700DCC061574 for ; Wed, 7 Jul 2021 23:24:07 -0700 (PDT) Received: by mail-pf1-x449.google.com with SMTP id o11-20020a62f90b0000b02902db3045f898so3132729pfh.23 for ; Wed, 07 Jul 2021 23:24:07 -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=VyXHTtvy32iIeRBIdw6ZHes2fzV1g/gDjPGzdkXsXsY=; b=oczNY2z89CYZ76FNlU5tn/jpfXqsZZ4rAGpq6uxthuJFOFNf4BRG/qTttDoNJTG6A6 6i1wsZXilibxuzTUoevMyqz0WUFLhdujPPFJNV+85AJR+mqjaYfKxpY/JGGSOzcsae24 3WYTcAfj058+xGEXJL92XX9ftHWqAAqZArDowxxptfYoSQkTg7VzZkXe6LgM7P2tVqgU 6rJEEspe2eO6JyzWUtLCT47uqelRzdLaM4iFeswmdDNuZyypvD2qUorKAIG5ymnLP6ca MoATUx+eum+MMqZfmrMgdostv7bJJ8M3uvYbn7PCqyRXPmK+oZgHx+5Jhl7BIzAli5ay AUEQ== 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=VyXHTtvy32iIeRBIdw6ZHes2fzV1g/gDjPGzdkXsXsY=; b=cf48z+KqHyGEYnJV1gut1MSnNldxYje/Ds/se+fwWxYybJtt6BbPBPsZGtFl9vJEWF 0yQOi8HX6h9yAT7jhj9z8YsGi92K7g+rJq0Y3YQmpg2OsX4cYToKIvRmEvcum+TlFgrb fk6leAplBZ+qkO5W9Cv3gkka3vlq0m1QYLOTWeC/KUBS+JY93+gluRO4vJkz/kE/MSuV +GxRTrIIIVZIDuJvdvRAIOIS6WffrGmv1t4ID42vSe0u293fkEswFqIzsFJ1Qd32mjlD 8ZTV1LDGJOoNWO0dyfIr0EoID4WQH5EGrb/BjQvW6dpoaMAn8qZxd7Cl2EPAVKyL6qnF UTGw== X-Gm-Message-State: AOAM530sT8qGqobTPcQsDe2l90wxMZzfGgdUQDBv2UGUp/Mh+SHvF1y8 eCxf6MF39ZqxsX5M6GuMomaUm9tKhM4LgSk916dWJOK0MkOJTNQsTUBOzYcWIcGd1QdhPJvRd7i uj+q0CcQQaEqOk23JkzV3dbIGagB30Pxd5lnrwEr2/Lg7vMEIVaeuS0iOBQZJEmRSI00O3dshyq YB/1sSauVS/KI= X-Google-Smtp-Source: ABdhPJzyHLAoPUWeakqN2PnzBSWtuqDIOoFn4j6/uibxDq5T/DoXCi37FNY+7RcVKrCWQ64NOyHFRpwPW30Z3yE0wA== X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:de70:7033:67f7:8d0b]) (user=howardchung job=sendgmr) by 2002:a62:bd14:0:b029:2de:8bf7:2df8 with SMTP id a20-20020a62bd140000b02902de8bf72df8mr29365345pff.60.1625725446900; Wed, 07 Jul 2021 23:24:06 -0700 (PDT) Date: Thu, 8 Jul 2021 14:23:12 +0800 In-Reply-To: <20210708062314.245754-1-howardchung@google.com> Message-Id: <20210708142059.Bluez.v1.12.I570c860f59c8ed66ddb31aa54584ee08080aa10c@changeid> Mime-Version: 1.0 References: <20210708062314.245754-1-howardchung@google.com> X-Mailer: git-send-email 2.32.0.93.g670b81a890-goog Subject: [Bluez PATCH v1 12/14] plugins/admin_policy: 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","1801","180A","180F","1812", "00010000-0000-1000-8000-011f2000046d" 4. Verify AffectedByPolicy of K830 is False 5. Set ServiceAllowList to ["1800","1801","180A","180F","1812"] 6. Verify AffectedByPolicy of K830 is True plugins/admin_policy.c | 78 ++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 76 insertions(+), 2 deletions(-) diff --git a/plugins/admin_policy.c b/plugins/admin_policy.c index 852e79aaa07a..be4ba096a8b9 100644 --- a/plugins/admin_policy.c +++ b/plugins/admin_policy.c @@ -44,6 +44,7 @@ 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) @@ -137,6 +138,27 @@ 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) { @@ -164,6 +186,8 @@ static DBusMessage *set_service_allowlist(DBusConnection *conn, adapter_get_path(policy_data->adapter), ADMIN_POLICY_SET_INTERFACE, "ServiceAllowList"); + queue_foreach(devices, update_device_affected, NULL); + return dbus_message_new_method_return(msg); } @@ -266,6 +290,29 @@ 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; + dbus_bool_t affected; + + 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(struct device_data *data) { g_free(data->path); @@ -299,11 +346,33 @@ static void add_device_data(struct btd_device *device) 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_state_cb(struct btd_device *device, enum btd_device_state_t new_state, void *user_data) @@ -321,7 +390,7 @@ static void admin_policy_device_state_cb(struct btd_device *device, data = queue_find(devices, device_data_match, device); if (data) - remove_device_data(data); + unregister_device_data(data, NULL); break; } } @@ -339,6 +408,9 @@ static int admin_policy_init(void) dbus_conn = btd_get_dbus_connection(); devices = queue_new(); + device_cb_id = btd_device_add_state_cb(admin_policy_device_state_cb, + NULL); + device_cb_id = btd_device_add_state_cb(admin_policy_device_state_cb, NULL); @@ -350,9 +422,11 @@ static void admin_policy_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); btd_device_remove_state_cb(device_cb_id); + btd_device_remove_state_cb(device_cb_id); if (policy_data) admin_policy_free(policy_data); }