From patchwork Tue Aug 3 11:43:05 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yun-hao Chung X-Patchwork-Id: 491797 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, 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 AC8CFC4338F for ; Tue, 3 Aug 2021 11:43:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9254160EE9 for ; Tue, 3 Aug 2021 11:43:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235616AbhHCLnn (ORCPT ); Tue, 3 Aug 2021 07:43:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45426 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235560AbhHCLnm (ORCPT ); Tue, 3 Aug 2021 07:43:42 -0400 Received: from mail-pl1-x649.google.com (mail-pl1-x649.google.com [IPv6:2607:f8b0:4864:20::649]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C0677C061757 for ; Tue, 3 Aug 2021 04:43:30 -0700 (PDT) Received: by mail-pl1-x649.google.com with SMTP id d10-20020a170902e14ab029012ccda38630so862617pla.15 for ; Tue, 03 Aug 2021 04:43:30 -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=jJr8Pj0oZi3uk1UfApDjJ/uA6UIySU3eGXKkrZPI+TI=; b=uY3eSxva/IshEHaeLnV67BRybKCeU4uXYg5AytfXon/vo9mPal1ALKBvzz1oO6xbEx DdK6LlA9XSU+1uYHVI1WOLtsx1l7T8X5X9Y3Jlr2FYGPQSO5rbcDRRiuIS+rCtRotoNl H4YoqMrzxq3e5ggHT+aCQMnVmhrdciFXvxf5NN4oFzWioaj5HdIvyVumYvLx3Rt6Rkmx tndv28Lap/7hG6AlrTlNed0w4VI0XCg7t8rQ/NBaFl208eGTeRcjiWET5fg8PWNPvf5D Tf2ZhHvgB44xuq/3ihiznXEa5eHpaO22OGjH7RyoMSYYuMvZRwjCYlmotk39BBXoLc04 1huA== 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=jJr8Pj0oZi3uk1UfApDjJ/uA6UIySU3eGXKkrZPI+TI=; b=hp73+MemdQ4EXQOj3hvY+r8TBrMHROo2JiEoILH6Wx2+B9AaYOWNXhczsB2kcS3LWN aZMtzqPiTL1BghJPKBkINQc/KxggJMCXwM36PACLEsf/Y9NrjPYYGTwQU/Iqpuq2h52D DWM6dQjEDTMkFGc9LKoEnfySwLRibcA7XRNenwuglIlZIyFGEBl5eAjwarAIPDGTYoMn QtlE/xnBlXrk0HjOwhFfvzXvCSGYgk9MiESKGX3RIx2CFi0iL+CburMlBtIEXtqEaaB6 EWgrENjrKRm4/sVmeC+kv3gQnQRKKcsGGvkECapmWOUYrMS42+/4G9DTO5USCIpk6kh6 8nMg== X-Gm-Message-State: AOAM532VB4+R2fPPcGgBLt2lGSUSi4iioqZnGkU5lZ6UGLOVucDqxfUE 9bZzBBUBXAvmBstQWvZ8LsvYxzICQBzvF9RWjAHzcO71pXb+R8Fm/14UUUuZitcbClan5uyFaNS i4HyvtoIjPK3js1Qr6Ujt3NsSgbdd8H/OHxtohgfS/zwlkDDeqeip2ByU1yBJKMioNvl9Hqz1en XjSl3n5PcD8HI= X-Google-Smtp-Source: ABdhPJwD9TqM8D8ycgJQZDG7+vRcmM1AkeJdN+uhfhh1/4UR3Xixr6/gEBpjwMg+HyweZ9Xl3bUgRtElF0heW1kjaA== X-Received: from howardchung-p920.tpe.corp.google.com ([2401:fa00:1:10:ef55:8161:c77b:7a8d]) (user=howardchung job=sendgmr) by 2002:aa7:93b1:0:b029:3c0:a7b7:3db0 with SMTP id x17-20020aa793b10000b02903c0a7b73db0mr7306717pff.40.1627991010165; Tue, 03 Aug 2021 04:43:30 -0700 (PDT) Date: Tue, 3 Aug 2021 19:43:05 +0800 In-Reply-To: <20210803114317.801840-1-howardchung@google.com> Message-Id: <20210803194127.Bluez.v9.1.Ic71b1ed97538a06d02425ba502690bdab1c5d836@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 01/13] core: add is_allowed property in btd_service 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 is_allowed property in btd_service. When is_allowed is set to false, calling btd_service_connect and service_accept will fail and the existing service connection gets disconnected. Reviewed-by: Miao-chen Chou --- Changes in v9: - Fix gitlint error in patch 'core: add device callbacks to adapter driver' Changes in v8: - Remove changes in profiles/health/ Changes in v7: - Fix compiler errors in profiles/hdp.c Changes in v6: - include instead of in plugins/admin.c Changes in v5: - Fix compiler errors in plugins/admin.c Changes in v4: - Update commit message (admin_policy -> admin) - remove old plugins/admin_policy.c Changes in v3: - Rename plugins/admin_policy.c -> plugins/admin.c - Use device_added callback in btd_adapter_driver instead of listen for dbus - Add authorization method in profiles/health/mcap.c and block incoming connections in adapter authorization function. Changes in v2: - Move bt_uuid_hash and bt_uuid_equal functions to adapter.c. - Modify the criteria to say a device is `Affected` from any-of-uuid to any-of-auto-connect-profile. - Remove the code to remove/reprobe disallowed/allowed profiles, instead, check if the service is allowed in bt_io_accept connect_cb. - Fix a typo in emit_property_change in plugin/admin_policy.c:set_service_allowlist - Instead of using device_state_cb, utilize D-BUS client to watch device added/removed. - Add a document in doc/ src/service.c | 33 +++++++++++++++++++++++++++++++++ src/service.h | 2 ++ 2 files changed, 35 insertions(+) diff --git a/src/service.c b/src/service.c index 21a52762e637..84fbb208a7e9 100644 --- a/src/service.c +++ b/src/service.c @@ -41,6 +41,7 @@ struct btd_service { void *user_data; btd_service_state_t state; int err; + bool is_allowed; }; struct service_state_callback { @@ -133,6 +134,7 @@ struct btd_service *service_create(struct btd_device *device, service->device = device; /* Weak ref */ service->profile = profile; service->state = BTD_SERVICE_STATE_UNAVAILABLE; + service->is_allowed = true; return service; } @@ -186,6 +188,12 @@ int service_accept(struct btd_service *service) if (!service->profile->accept) return -ENOSYS; + if (!service->is_allowed) { + info("service %s is not allowed", + service->profile->remote_uuid); + return -ECONNABORTED; + } + err = service->profile->accept(service); if (!err) goto done; @@ -245,6 +253,12 @@ int btd_service_connect(struct btd_service *service) return -EBUSY; } + if (!service->is_allowed) { + info("service %s is not allowed", + service->profile->remote_uuid); + return -ECONNABORTED; + } + err = profile->connect(service); if (err == 0) { change_state(service, BTD_SERVICE_STATE_CONNECTING, 0); @@ -361,6 +375,25 @@ bool btd_service_remove_state_cb(unsigned int id) return false; } +void btd_service_set_allowed(struct btd_service *service, bool allowed) +{ + if (allowed == service->is_allowed) + return; + + service->is_allowed = allowed; + + if (!allowed && (service->state == BTD_SERVICE_STATE_CONNECTING || + service->state == BTD_SERVICE_STATE_CONNECTED)) { + btd_service_disconnect(service); + return; + } +} + +bool btd_service_is_allowed(struct btd_service *service) +{ + return service->is_allowed; +} + void btd_service_connecting_complete(struct btd_service *service, int err) { if (service->state != BTD_SERVICE_STATE_DISCONNECTED && diff --git a/src/service.h b/src/service.h index 88530cc17d53..5a2a02447b24 100644 --- a/src/service.h +++ b/src/service.h @@ -51,6 +51,8 @@ int btd_service_get_error(const struct btd_service *service); unsigned int btd_service_add_state_cb(btd_service_state_cb cb, void *user_data); bool btd_service_remove_state_cb(unsigned int id); +void btd_service_set_allowed(struct btd_service *service, bool allowed); +bool btd_service_is_allowed(struct btd_service *service); /* Functions used by profile implementation */ void btd_service_connecting_complete(struct btd_service *service, int err);