From patchwork Wed Jul 28 13:15:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Howard Chung X-Patchwork-Id: 12405605 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=-26.3 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 F357DC4338F for ; Wed, 28 Jul 2021 13:16:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D9DD860240 for ; Wed, 28 Jul 2021 13:16:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236310AbhG1NQj (ORCPT ); Wed, 28 Jul 2021 09:16:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50166 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234771AbhG1NQi (ORCPT ); Wed, 28 Jul 2021 09:16:38 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 61089C061757 for ; Wed, 28 Jul 2021 06:16:37 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id j13-20020a0cf30d0000b029032dd803a7edso1941417qvl.2 for ; Wed, 28 Jul 2021 06:16:37 -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=ak/MLeitgxrnl9tWS1ibUYAvL7HQGK//m5OkSfh8Et0=; b=HllWjPmpRoM25oHc2ucNRRQjVYvJzTLAx7YwP9jadyz8rOZrltCN3e97ENKZhT5e2f IabWS8iLzTN0er66RbE32g4F/DDN1CNbdIwVegyycv3ConiGBY6IC05g2J/L4DeJbnbT pJM1XAMbePzercnP/3HazCDz/p3aE5kjd+9QkE61450NP9N4AeiS+ARd6824PLqANpJb dlOY6X+WdhZSOCM/3TmlZG2e+p0CTh34FrIJ/aaiLyPfILbqRLWZFVdbCF3P+vSWOTka DLA6UYhCTfjZMZ9n/ENndwUTHWKbluxyqc4vVhb/luPm5p75jg43cOb1YpWcxMcMgjRP MONw== 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=ak/MLeitgxrnl9tWS1ibUYAvL7HQGK//m5OkSfh8Et0=; b=SF4KrErSPRDfj4jRJaPyT6fbeFlhgpY4lTUM2i0BoPJWMb1uw4JfOC0056DWpSOMhd gXanlxp4dbkjjJcGWnBACb5Eeo8nxisAVerpraPSUVYkMpHzpP2kPRCmkPpugnh0XMJW vywq/nYB9uT2RjrXxMTE+dj9EZ9tDmghrWQ+8p2PFX9/zepUUqdjvPbcCUzn3RBufZsi FIEYY4nGnP82ak1yoQSbBqbIR41qwa3pw4b5eHcE/60uNetMIVoJNr6achpepGK+GgmC 3/JY4HhFV4YdXaBgI+1N/oxwhokTlGO0EWuaqYVNnkMf+54ibYtZKyQeokwiM2MthlR8 7Ikg== X-Gm-Message-State: AOAM530jenYmTRKXS9fSQQ7CHe2cKvKz6p+NzmzlQWyGr90xKN3PE0wt 3vTuD9uB3N7retKthKr7sYWvPGaEUBR8MFhTsKWMWuXjimAE+UfsANgB8hqQ7grvgbDQNYg0m9e jowxfIxq6iVHg1B81ZfEsF2WoVkRTZ+pJaVY0o8x7G1exrA0t7iDiFQomE8RUx6FmfZc5C882LZ QCNzFtfOqgc9s= X-Google-Smtp-Source: ABdhPJyb3GaxDW1dcj6gRwMT5p39UBpkaId3i/Y5Ibzuj09/3vRwRdh6134fXJPEQ5DcoPaMP3b6/idXYcNYqs1XRA== X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:9b6a:9d1f:2f3e:45de]) (user=howardchung job=sendgmr) by 2002:a05:6214:1909:: with SMTP id er9mr20295872qvb.26.1627478196268; Wed, 28 Jul 2021 06:16:36 -0700 (PDT) Date: Wed, 28 Jul 2021 21:15:27 +0800 In-Reply-To: <20210728131529.3310558-1-howardchung@google.com> Message-Id: <20210728211405.Bluez.v3.11.I570c860f59c8ed66ddb31aa54584ee08080aa10c@changeid> Mime-Version: 1.0 References: <20210728131529.3310558-1-howardchung@google.com> X-Mailer: git-send-email 2.32.0.432.gabb21c7263-goog Subject: [Bluez PATCH v3 11/13] 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"] 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 | 74 ++++++++++++++++++++++++++++++++++++++++-- plugins/admin_policy.c | 74 ++++++++++++++++++++++++++++++++++++++++-- 2 files changed, 144 insertions(+), 4 deletions(-) diff --git a/plugins/admin.c b/plugins/admin.c index 37dae77ac..2ad60f2fd 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 +250,29 @@ 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(void *data) { struct device_data *device_data = data; @@ -308,11 +355,33 @@ 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 +390,7 @@ 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 +416,8 @@ 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); diff --git a/plugins/admin_policy.c b/plugins/admin_policy.c index 73d695ef9..3ce72b56b 100644 --- a/plugins/admin_policy.c +++ b/plugins/admin_policy.c @@ -47,6 +47,7 @@ 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) @@ -140,6 +141,27 @@ 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) { @@ -168,6 +190,8 @@ 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); } @@ -240,6 +264,29 @@ static bool device_data_match_by_path(const void *a, const void *b) return strcmp(data->path, b) == 0; } +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(void *data) { struct device_data *device_data = data; @@ -275,11 +322,33 @@ 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 struct btd_device *find_device_by_proxy(GDBusProxy *proxy) { const char *path = g_dbus_proxy_get_path(proxy); @@ -323,7 +392,7 @@ static void object_removed_cb(GDBusProxy *proxy, void *user_data) data = queue_find(devices, device_data_match_by_path, path); if (data) - remove_device_data(data); + unregister_device_data(data, NULL); } static int admin_policy_adapter_probe(struct btd_adapter *adapter) @@ -402,7 +471,8 @@ 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); if (policy_data) admin_policy_free(policy_data);