This implements ImportLocalNode() method on org.bluez.mesh.Network1 interface. Invoking this method creates a self-provisioned node based on passed JSON definition. Also full functionality of import local node has been implemented --- mesh/mesh.c | 90 +++++++++++++++++-- mesh/node.c | 247 ++++++++++++++++++++++++++++++++++++++++++++++++---- mesh/node.h | 2 + 3 files changed, 317 insertions(+), 22 deletions(-) diff --git a/mesh/mesh.c b/mesh/mesh.c index 26acfd4dc..b3def7817 100644 --- a/mesh/mesh.c +++ b/mesh/mesh.c @@ -22,6 +22,8 @@ #endif #define _GNU_SOURCE +#include <json-c/json.h> +#include <string.h> #include <ell/ell.h> #include "mesh/mesh-io.h" @@ -60,7 +62,7 @@ struct bt_mesh { uint8_t max_filters; }; -struct join_data{ +struct join_data { struct l_dbus_message *msg; struct mesh_agent *agent; const char *sender; @@ -70,6 +72,10 @@ struct join_data{ uint8_t *uuid; }; +static const char * const supported_import_data_types[] = { + "json" +}; + static struct bt_mesh mesh; /* We allow only one outstanding Join request */ @@ -365,8 +371,8 @@ static void node_init_cb(struct mesh_node *node, struct mesh_agent *agent) if (!acceptor_start(num_ele, join_pending->uuid, mesh.algorithms, mesh.prov_timeout, agent, prov_complete_cb, - &mesh)) - { + &mesh)) { + reply = dbus_error(join_pending->msg, MESH_ERROR_FAILED, "Failed to start provisioning acceptor"); goto fail; @@ -383,6 +389,18 @@ fail: free_pending_join_call(true); } +static bool validate_data_type(const char *data_type) +{ + uint8_t len = sizeof(supported_import_data_types) / + sizeof(supported_import_data_types[0]); + + for (uint8_t idx = 0; idx < len; idx++) { + if (strcmp(data_type, supported_import_data_types[idx]) == 0) + return true; + } + return false; +} + static struct l_dbus_message *join_network_call(struct l_dbus *dbus, struct l_dbus_message *msg, void *user_data) @@ -536,7 +554,7 @@ static struct l_dbus_message *leave_call(struct l_dbus *dbus, return l_dbus_message_new_method_return(msg); } -static void create_network_ready_cb(void *user_data, int status, +static void create_node_ready_cb(void *user_data, int status, struct mesh_node *node) { struct l_dbus_message *reply; @@ -593,12 +611,67 @@ static struct l_dbus_message *create_network_call(struct l_dbus *dbus, l_queue_push_tail(pending_queue, pending_msg); - node_create(app_path, sender, uuid, create_network_ready_cb, + node_create(app_path, sender, uuid, create_node_ready_cb, pending_msg); return NULL; } +static struct l_dbus_message *import_local_node_call(struct l_dbus *dbus, + struct l_dbus_message *msg, + void *user_data) +{ + const char *app_path, *sender; + struct l_dbus_message *pending_msg; + struct l_dbus_message_iter iter_uuid, iter_import_data; + const char *data_type, *import_data; + uint8_t *uuid; + uint32_t n; + struct json_object *jnode; + + l_debug("Import local node request"); + + if (!l_dbus_message_get_arguments(msg, "oaysay", &app_path, &iter_uuid, + &data_type, &iter_import_data)) + return dbus_error(msg, MESH_ERROR_INVALID_ARGS, NULL); + + if (!validate_data_type(data_type)) + return dbus_error(msg, MESH_ERROR_NOT_IMPLEMENTED, + "Unsupported data type"); + + if (!l_dbus_message_iter_get_fixed_array(&iter_uuid, &uuid, &n) || + n != 16) + return dbus_error(msg, MESH_ERROR_INVALID_ARGS, "Bad dev UUID"); + + if (node_find_by_uuid(uuid)) + return dbus_error(msg, MESH_ERROR_ALREADY_EXISTS, + "Node already exists"); + + if (!l_dbus_message_iter_get_fixed_array(&iter_import_data, + &import_data, &n)) + return dbus_error(msg, MESH_ERROR_INVALID_ARGS, + "Bad import_data"); + + jnode = json_tokener_parse(import_data); + + sender = l_dbus_message_get_sender(msg); + pending_msg = l_dbus_message_ref(msg); + + if (!pending_queue) + pending_queue = l_queue_new(); + + l_queue_push_tail(pending_queue, pending_msg); + + if (!node_import(app_path, sender, jnode, uuid, create_node_ready_cb, + pending_msg)) { + l_dbus_message_unref(msg); + return dbus_error(msg, MESH_ERROR_INVALID_ARGS, + "Node import failed"); + } + + return NULL; +} + static void setup_network_interface(struct l_dbus_interface *iface) { l_dbus_interface_method(iface, "Join", 0, join_network_call, "", @@ -612,8 +685,15 @@ static void setup_network_interface(struct l_dbus_interface *iface) l_dbus_interface_method(iface, "Leave", 0, leave_call, "", "t", "token"); + l_dbus_interface_method(iface, "CreateNetwork", 0, create_network_call, "t", "oay", "token", "app", "uuid"); + + l_dbus_interface_method(iface, "ImportLocalNode", 0, + import_local_node_call, + "t", "oaysay", "token", + "app", "uuid", "data_type", + "import_data"); } bool mesh_dbus_init(struct l_dbus *dbus) diff --git a/mesh/node.c b/mesh/node.c index 1f781cfe9..00c3270fd 100644 --- a/mesh/node.c +++ b/mesh/node.c @@ -27,6 +27,7 @@ #include <ell/ell.h> #include <json-c/json.h> +#include <stdio.h> #include "mesh/mesh-defs.h" #include "mesh/mesh.h" @@ -57,9 +58,12 @@ #define DEFAULT_CRPL 10 #define DEFAULT_SEQUENCE_NUMBER 0 -#define REQUEST_TYPE_JOIN 0 -#define REQUEST_TYPE_ATTACH 1 -#define REQUEST_TYPE_CREATE 2 +enum request_type { + REQUEST_TYPE_JOIN = 0, + REQUEST_TYPE_ATTACH, + REQUEST_TYPE_CREATE, + REQUEST_TYPE_IMPORT, +}; struct node_element { char *path; @@ -110,7 +114,19 @@ struct managed_obj_request { void *data; void *cb; void *user_data; - uint8_t type; + enum request_type type; +}; + +struct node_import_request { + uint8_t uuid[16]; + uint8_t dev_key[16]; + uint8_t net_key[16]; + uint16_t net_idx; + uint16_t unicast; + uint32_t iv_idx; + bool iv_update; + uint32_t sequence; + void *user_data; }; static struct l_queue *nodes; @@ -870,7 +886,7 @@ element_done: #define MIN_COMPOSITION_LEN 16 bool node_parse_composition(struct mesh_node *node, uint8_t *data, - uint16_t len) + uint16_t len) { struct node_composition *comp; uint16_t features; @@ -965,7 +981,7 @@ bool node_parse_composition(struct mesh_node *node, uint8_t *data, vendor_id = l_get_le16(data); mod_id |= (vendor_id << 16); mod = mesh_model_vendor_new(ele->idx, vendor_id, - mod_id); + mod_id); if (!mod) { element_free(ele); goto fail; @@ -996,7 +1012,6 @@ fail: return false; } - static void attach_io(void *a, void *b) { struct mesh_node *node = a; @@ -1385,17 +1400,86 @@ static bool get_app_properties(struct mesh_node *node, const char *path, return true; } -static bool add_local_node(struct mesh_node *node, uint16_t unicast, bool kr, - bool ivu, uint32_t iv_idx, uint8_t dev_key[16], - uint16_t net_key_idx, uint8_t net_key[16]) +static bool parse_imported_unicast_addr(json_object *jobj, uint16_t *unicast) { - node->net = mesh_net_new(node); + char *str; - if (!nodes) - nodes = l_queue_new(); + str = (char *)json_object_get_string(jobj); - l_queue_push_tail(nodes, node); + if (sscanf(str, "%04hx", unicast) != 1) + return false; + + return true; +} + +static bool parse_imported_device_key(json_object *jobj, uint8_t key_buf[16]) +{ + char *str; + + if (!key_buf) + return false; + str = (char *)json_object_get_string(jobj); + + if (!str2hex(str, strlen(str), key_buf, 16)) + return false; + + return true; +} + +static void parse_imported_sequence_nr(json_object *jobj, uint32_t *seq) +{ + json_object *jvalue; + + if (json_object_object_get_ex(jobj, "sequenceNumber", &jvalue)) + *seq = (uint32_t) json_object_get_int(jvalue); + else + *seq = DEFAULT_SEQUENCE_NUMBER; +} + +static bool parse_imported_net_key(json_object *jobj, uint8_t key_buf[16], + uint16_t *net_idx) +{ + json_object *jtemp, *jvalue; + char *str; + uint8_t key[16]; + + if (json_object_get_type(jobj) != json_type_array) + return false; + + jtemp = json_object_array_get_idx(jobj, 0); + + if (!json_object_object_get_ex(jtemp, "index", &jvalue)) + return false; + + *net_idx = (uint16_t)json_object_get_int(jvalue); + + if (*net_idx > 4095) + return false; + + if (!json_object_object_get_ex(jtemp, "key", &jvalue)) + return false; + + str = (char *)json_object_get_string(jvalue); + if (!str2hex(str, strlen(str), key, 16)) + return false; + + memcpy(&key_buf[0], &key[0], 16); + + /* Imported node shouldn't contain oldKey or keyRefresh */ + if (json_object_object_get_ex(jtemp, "oldKey", NULL)) + return false; + + if (json_object_object_get_ex(jtemp, "keyRefresh", NULL)) + return false; + + return true; +} + +static bool add_local_node(struct mesh_node *node, uint16_t unicast, bool kr, + bool ivu, uint32_t iv_idx, uint8_t dev_key[16], + uint16_t net_key_idx, uint8_t net_key[16]) +{ if (!storage_set_iv_index(node->net, iv_idx, ivu)) return false; @@ -1463,14 +1547,13 @@ static void get_managed_objects_cb(struct l_dbus_message *msg, void *user_data) } if (is_new) { - node = l_new(struct mesh_node, 1); + node = node_new(req->data); node->elements = l_queue_new(); } else { node = req->data; } num_ele = 0; - while (l_dbus_message_iter_next_entry(&objects, &path, &interfaces)) { struct l_dbus_message_iter properties; const char *interface; @@ -1566,6 +1649,48 @@ static void get_managed_objects_cb(struct l_dbus_message *msg, void *user_data) cb(node, agent); + } else if (req->type == REQUEST_TYPE_IMPORT) { + + node_ready_func_t cb = req->cb; + struct node_import_request *import_data = req->user_data; + struct keyring_net_key net_key; + + if (!agent) { + l_error("Interface %s not found", + MESH_PROVISION_AGENT_INTERFACE); + goto fail; + } + + node->num_ele = num_ele; + set_defaults(node); + + if (node->seq_number != import_data->sequence) + node->seq_number = import_data->sequence; + + memcpy(node->uuid, import_data->uuid, 16); + + if (!create_node_config(node)) + goto fail; + + if (!add_local_node(node, import_data->unicast, false, + import_data->iv_update, import_data->iv_idx, + import_data->dev_key, import_data->net_idx, + import_data->net_key)) + goto fail; + + memcpy(net_key.old_key, import_data->net_key, 16); + net_key.net_idx = import_data->net_idx; + net_key.phase = KEY_REFRESH_PHASE_NONE; + + if (!keyring_put_remote_dev_key(node, import_data->unicast, + num_ele, import_data->dev_key)) + goto fail; + + if (!keyring_put_net_key(node, PRIMARY_NET_IDX, &net_key)) + goto fail; + + cb(import_data->user_data, MESH_ERROR_NONE, node); + } else { /* Callback for create node request */ node_ready_func_t cb = req->cb; @@ -1614,7 +1739,7 @@ fail: cb(req->user_data, MESH_ERROR_FAILED, node); } else { - /* Handle failed Join and Create requests */ + /* Handle failed Join, Create and Import requests */ if (node) node_remove(node); @@ -1622,6 +1747,14 @@ fail: node_join_ready_func_t cb = req->cb; cb(NULL, NULL); + + } else if (req->type == REQUEST_TYPE_IMPORT) { + struct node_import_request *import_data = + req->user_data; + node_ready_func_t cb = req->cb; + + cb(import_data->user_data, MESH_ERROR_FAILED, NULL); + } else { node_ready_func_t cb = req->cb; @@ -1686,6 +1819,86 @@ void node_join(const char *app_path, const char *sender, const uint8_t *uuid, req, l_free); } +static bool node_import_full(const char *app_path, const char *sender, + void *json_data, const uint8_t *uuid, + node_ready_func_t cb, void *user_data) +{ + return false; +} + +static bool node_import_simplified(const char *app_path, const char *sender, + void *json_data, const uint8_t *uuid, + node_ready_func_t cb, void *user_data) +{ + struct managed_obj_request *req = l_new(struct managed_obj_request, 1); + struct node_import_request *node = l_new(struct node_import_request, 1); + + json_object_object_foreach(json_data, key, val) { + + if (!strcmp(key, "deviceKey")) { + if (!parse_imported_device_key(val, node->dev_key)) { + l_error("Failed to parse imported device key"); + goto fail; + } + + } else if (!strcmp(key, "unicastAddress")) { + if (!parse_imported_unicast_addr(val, &node->unicast)) { + l_error("Failed to parse imported unicast"); + goto fail; + } + + } else if (!strcmp(key, "IVindex")) { + node->iv_idx = (uint32_t) json_object_get_int(val); + + } else if (!strcmp(key, "IVupdate")) { + node->iv_update = (bool) json_object_get_int(val); + + } else if (!strcmp(key, "netKeys")) { + if (!parse_imported_net_key(val, + node->net_key, &node->net_idx)) { + l_error("Failed to parse imported network key"); + goto fail; + } + + } else { + if (strcmp(key, "sequenceNumber")) + goto fail; + } + } + + parse_imported_sequence_nr(json_data, &node->sequence); + node->user_data = user_data; + + memcpy(node->uuid, uuid, 16); + req->data = (void *) uuid; + req->user_data = node; + req->cb = cb; + req->type = REQUEST_TYPE_IMPORT; + + l_dbus_method_call(dbus_get_bus(), sender, app_path, + L_DBUS_INTERFACE_OBJECT_MANAGER, + "GetManagedObjects", NULL, + get_managed_objects_cb, + req, l_free); + return true; + +fail: + json_object_put(json_data); + l_free(node); + return false; +} + +bool node_import(const char *app_path, const char *sender, void *json_data, + const uint8_t *uuid, node_ready_func_t cb, void *user_data) +{ + if (!json_object_object_get_ex(json_data, "elements", NULL)) + return node_import_simplified(app_path, sender, json_data, + uuid, cb, user_data); + else + return node_import_full(app_path, sender, json_data, uuid, + cb, user_data); +} + void node_create(const char *app_path, const char *sender, const uint8_t *uuid, node_ready_func_t cb, void *user_data) { diff --git a/mesh/node.h b/mesh/node.h index 142527b30..9559f9178 100644 --- a/mesh/node.h +++ b/mesh/node.h @@ -91,6 +91,8 @@ void node_build_attach_reply(struct mesh_node *node, struct l_dbus_message *reply); void node_create(const char *app_path, const char *sender, const uint8_t *uuid, node_ready_func_t cb, void *user_data); +bool node_import(const char *app_path, const char *sender, void *jnode, + const uint8_t *uuid, node_ready_func_t cb, void *user_data); void node_id_set(struct mesh_node *node, uint16_t node_id); uint16_t node_id_get(struct mesh_node *node); bool node_dbus_init(struct l_dbus *bus); -- 2.20.1