From: Brian Gix <brian.gix@intel.com>
To: linux-bluetooth@vger.kernel.org
Cc: inga.stotland@intel.com, brian.gix@intel.com
Subject: [PATCH BlueZ v2 4/5] mesh: Implement App Key keyring storage handling
Date: Wed, 22 May 2019 12:54:27 -0700 [thread overview]
Message-ID: <20190522195428.1901-5-brian.gix@intel.com> (raw)
In-Reply-To: <20190522195428.1901-1-brian.gix@intel.com>
Affected Methods:
CreateAppKey()
ImportAppKey()
UpdateAppKey()
DeleteAppKey()
---
mesh/manager.c | 86 ++++++++++++++++++++++++++++++++++++++++++++++++----------
1 file changed, 71 insertions(+), 15 deletions(-)
diff --git a/mesh/manager.c b/mesh/manager.c
index 92297821a..b82ad02e4 100644
--- a/mesh/manager.c
+++ b/mesh/manager.c
@@ -209,51 +209,108 @@ static struct l_dbus_message *import_subnet_call(struct l_dbus *dbus,
return store_new_subnet(node, msg, net_idx, key);
}
+static struct l_dbus_message *store_new_appkey(struct mesh_node *node,
+ struct l_dbus_message *msg,
+ uint16_t net_idx, uint16_t app_idx,
+ uint8_t *new_key)
+{
+ struct keyring_net_key net_key;
+ struct keyring_app_key app_key;
+
+ if (net_idx > MAX_KEY_IDX || app_idx > MAX_KEY_IDX)
+ return dbus_error(msg, MESH_ERROR_INVALID_ARGS, NULL);
+
+ if (!keyring_get_net_key(node, net_idx, &net_key))
+ return dbus_error(msg, MESH_ERROR_DOES_NOT_EXIST,
+ "Bound net key not found");
+
+ if (keyring_get_app_key(node, app_idx, &app_key)) {
+ /* Allow redundant calls with identical values */
+ if (!memcmp(app_key.old_key, new_key, 16) &&
+ app_key.net_idx == net_idx)
+ return l_dbus_message_new_method_return(msg);
+
+ return dbus_error(msg, MESH_ERROR_ALREADY_EXISTS, NULL);
+ }
+
+ memcpy(app_key.old_key, new_key, 16);
+ memcpy(app_key.new_key, new_key, 16);
+ app_key.net_idx = net_idx;
+ app_key.app_idx = app_idx;
+
+ if (!keyring_put_app_key(node, app_idx, net_idx, &app_key))
+ return dbus_error(msg, MESH_ERROR_FAILED, NULL);
+
+ return l_dbus_message_new_method_return(msg);
+}
+
static struct l_dbus_message *create_appkey_call(struct l_dbus *dbus,
struct l_dbus_message *msg,
void *user_data)
{
+ struct mesh_node *node = user_data;
uint16_t net_idx, app_idx;
+ uint8_t key[16];
if (!l_dbus_message_get_arguments(msg, "qq", &net_idx, &app_idx))
return dbus_error(msg, MESH_ERROR_INVALID_ARGS, NULL);
- /* TODO */
- return dbus_error(msg, MESH_ERROR_NOT_IMPLEMENTED, NULL);
+ l_getrandom(key, sizeof(key));
+
+ return store_new_appkey(node, msg, net_idx, app_idx, key);
}
static struct l_dbus_message *update_appkey_call(struct l_dbus *dbus,
struct l_dbus_message *msg,
void *user_data)
{
- uint16_t net_idx, app_idx;
+ struct mesh_node *node = user_data;
+ struct keyring_net_key net_key;
+ struct keyring_app_key app_key;
+ uint16_t app_idx;
- if (!l_dbus_message_get_arguments(msg, "qq", &net_idx, &app_idx))
+ if (!l_dbus_message_get_arguments(msg, "q", &app_idx) ||
+ app_idx > MAX_KEY_IDX)
return dbus_error(msg, MESH_ERROR_INVALID_ARGS, NULL);
- /* TODO */
- return dbus_error(msg, MESH_ERROR_NOT_IMPLEMENTED, NULL);
+ if (!keyring_get_app_key(node, app_idx, &app_key) ||
+ !keyring_get_net_key(node, app_key.net_idx, &net_key))
+ return dbus_error(msg, MESH_ERROR_DOES_NOT_EXIST, NULL);
+
+ if (net_key.phase != KEY_REFRESH_PHASE_ONE)
+ return dbus_error(msg, MESH_ERROR_FAILED, "Invalid Phase");
+
+ /* Generate Key if in acceptable phase */
+ l_getrandom(app_key.new_key, sizeof(app_key.new_key));
+
+ if (!keyring_put_app_key(node, app_idx, app_key.net_idx, &app_key))
+ return dbus_error(msg, MESH_ERROR_FAILED, NULL);
+
+ return l_dbus_message_new_method_return(msg);
}
static struct l_dbus_message *delete_appkey_call(struct l_dbus *dbus,
struct l_dbus_message *msg,
void *user_data)
{
- uint16_t net_idx, app_idx;
+ struct mesh_node *node = user_data;
+ uint16_t app_idx;
- if (!l_dbus_message_get_arguments(msg, "qq", &net_idx, &app_idx))
+ if (!l_dbus_message_get_arguments(msg, "q", &app_idx))
return dbus_error(msg, MESH_ERROR_INVALID_ARGS, NULL);
- /* TODO */
- return dbus_error(msg, MESH_ERROR_NOT_IMPLEMENTED, NULL);
+ keyring_del_app_key(node, app_idx);
+
+ return l_dbus_message_new_method_return(msg);
}
static struct l_dbus_message *import_appkey_call(struct l_dbus *dbus,
struct l_dbus_message *msg,
void *user_data)
{
- uint16_t net_idx, app_idx;
+ struct mesh_node *node = user_data;
struct l_dbus_message_iter iter_key;
+ uint16_t net_idx, app_idx;
uint8_t *key;
uint32_t n;
@@ -266,8 +323,7 @@ static struct l_dbus_message *import_appkey_call(struct l_dbus *dbus,
return dbus_error(msg, MESH_ERROR_INVALID_ARGS,
"Bad application key");
- /* TODO */
- return dbus_error(msg, MESH_ERROR_NOT_IMPLEMENTED, NULL);
+ return store_new_appkey(node, msg, net_idx, app_idx, key);
}
static struct l_dbus_message *set_key_phase_call(struct l_dbus *dbus,
@@ -305,9 +361,9 @@ static void setup_management_interface(struct l_dbus_interface *iface)
l_dbus_interface_method(iface, "CreateAppKey", 0, create_appkey_call,
"", "qq", "", "net_index", "app_index");
l_dbus_interface_method(iface, "UpdateAppKey", 0, update_appkey_call,
- "", "qq", "", "net_index", "app_index");
+ "", "q", "", "app_index");
l_dbus_interface_method(iface, "DeleteAppKey", 0, delete_appkey_call,
- "", "qq", "", "net_index", "app_index");
+ "", "q", "", "app_index");
l_dbus_interface_method(iface, "ImportAppKey", 0, import_appkey_call,
"", "qqay", "", "net_index", "app_index",
"app_key");
--
2.14.5
next prev parent reply other threads:[~2019-05-22 19:55 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-22 19:54 [PATCH BlueZ v2 0/5] mesh: Add App and Net Key Refresh keyring back-end Brian Gix
2019-05-22 19:54 ` [PATCH BlueZ v2 1/5] mesh: Add new required method for Key Refresh proc Brian Gix
2019-05-22 19:54 ` [PATCH BlueZ v2 2/5] mesh: Centralize definition of PRIMARY_NET_IDX Brian Gix
2019-05-22 19:54 ` [PATCH BlueZ v2 3/5] mesh: Implement Net Key keyring storage handling Brian Gix
2019-05-22 19:54 ` Brian Gix [this message]
2019-05-22 19:54 ` [PATCH BlueZ v2 5/5] mesh: Implement Key Refresh Phasing in keyring Brian Gix
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