linux-bluetooth.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Howard Chung <howardchung@google.com>
To: linux-bluetooth@vger.kernel.org, luiz.dentz@gmail.com
Cc: Yun-Hao Chung <howardchung@chromium.org>,
	Miao-chen Chou <mcchou@chromium.org>
Subject: [Bluez PATCH v1 12/14] plugins/admin_policy: add AffectedByPolicy property
Date: Thu,  8 Jul 2021 14:23:12 +0800	[thread overview]
Message-ID: <20210708142059.Bluez.v1.12.I570c860f59c8ed66ddb31aa54584ee08080aa10c@changeid> (raw)
In-Reply-To: <20210708062314.245754-1-howardchung@google.com>

From: Yun-Hao Chung <howardchung@chromium.org>

This adds property to indicate if a device has any service that is being
blocked by admin policy.

Reviewed-by: Miao-chen Chou <mcchou@chromium.org>
---
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);
 }
-- 
2.32.0.93.g670b81a890-goog


  parent reply	other threads:[~2021-07-08  6:24 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-08  6:23 [Bluez PATCH v1 00/14] Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 01/14] lib: add hash functions for bt_uuid_t Howard Chung
2021-07-08  6:36   ` [Bluez,v1,01/14] " bluez.test.bot
2021-07-09  5:21   ` [Bluez PATCH v1 01/14] " Luiz Augusto von Dentz
2021-07-12  3:20     ` Yun-hao Chung
2021-07-08  6:23 ` [Bluez PATCH v1 02/14] unit: add uuid unit tests Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 03/14] core: add is_allowed property in btd_service Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 04/14] core: add adapter and device allowed_uuid functions Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 05/14] core: add device state and state callbacks Howard Chung
2021-07-09  5:34   ` Luiz Augusto von Dentz
2021-07-12  3:56     ` Yun-hao Chung
2021-07-08  6:23 ` [Bluez PATCH v1 06/14] audio: Remove Media1 interface when a2dp source disallowed Howard Chung
2021-07-09  5:49   ` Luiz Augusto von Dentz
2021-07-12  8:16     ` Yun-hao Chung
2021-07-12 16:37       ` Luiz Augusto von Dentz
2021-07-08  6:23 ` [Bluez PATCH v1 07/14] plugins: add a new plugin for admin_policy Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 08/14] plugins/admin_policy: add admin_policy adapter driver Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 09/14] plugins/admin_policy: add ServiceAllowList method Howard Chung
2021-07-09  6:01   ` Luiz Augusto von Dentz
2021-07-12  9:09     ` Yun-hao Chung
2021-07-12 16:41       ` Luiz Augusto von Dentz
2021-07-08  6:23 ` [Bluez PATCH v1 10/14] plugins/admin_policy: add ServiceAllowList property Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 11/14] plugins/admin_policy: add device state callback Howard Chung
2021-07-08  6:23 ` Howard Chung [this message]
2021-07-08  6:23 ` [Bluez PATCH v1 13/14] plugins/admin_policy: persist policy settings Howard Chung
2021-07-08  6:23 ` [Bluez PATCH v1 14/14] core: fix a possible crash when removing devices Howard Chung

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210708142059.Bluez.v1.12.I570c860f59c8ed66ddb31aa54584ee08080aa10c@changeid \
    --to=howardchung@google.com \
    --cc=howardchung@chromium.org \
    --cc=linux-bluetooth@vger.kernel.org \
    --cc=luiz.dentz@gmail.com \
    --cc=mcchou@chromium.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).