*
* Connection Manager
*
- * Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
+ * Copyright (C) 2007-2012 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
#include <config.h>
#endif
+#include <string.h>
+#include <errno.h>
+#include <gdbus.h>
+
#include "connman.h"
-void connman_dbus_property_append_variant(DBusMessageIter *iter,
+dbus_bool_t connman_dbus_validate_ident(const char *ident)
+{
+ unsigned int i;
+
+ if (!ident)
+ return FALSE;
+
+ for (i = 0; i < strlen(ident); i++) {
+ if (ident[i] >= '0' && ident[i] <= '9')
+ continue;
+ if (ident[i] >= 'a' && ident[i] <= 'z')
+ continue;
+ if (ident[i] >= 'A' && ident[i] <= 'Z')
+ continue;
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+char *connman_dbus_encode_string(const char *value)
+{
+ GString *str;
+ unsigned int i, size;
+
+ if (!value)
+ return NULL;
+
+ size = strlen(value);
+
+ str = g_string_new(NULL);
+ if (!str)
+ return NULL;
+
+ for (i = 0; i < size; i++) {
+ const char tmp = value[i];
+ if ((tmp < '0' || tmp > '9') && (tmp < 'A' || tmp > 'Z') &&
+ (tmp < 'a' || tmp > 'z'))
+ g_string_append_printf(str, "_%02x", tmp);
+ else
+ str = g_string_append_c(str, tmp);
+ }
+
+ return g_string_free(str, FALSE);
+}
+
+void connman_dbus_property_append_basic(DBusMessageIter *iter,
const char *key, int type, void *val)
{
DBusMessageIter value;
case DBUS_TYPE_INT32:
signature = DBUS_TYPE_INT32_AS_STRING;
break;
+ case DBUS_TYPE_UINT64:
+ signature = DBUS_TYPE_UINT64_AS_STRING;
+ break;
+ case DBUS_TYPE_INT64:
+ signature = DBUS_TYPE_INT64_AS_STRING;
+ break;
case DBUS_TYPE_OBJECT_PATH:
signature = DBUS_TYPE_OBJECT_PATH_AS_STRING;
break;
dbus_message_iter_close_container(iter, &value);
}
-void connman_dbus_dict_append_array(DBusMessageIter *dict,
+void connman_dbus_property_append_dict(DBusMessageIter *iter, const char *key,
+ connman_dbus_append_cb_t function, void *user_data)
+{
+ DBusMessageIter value, dict;
+
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &key);
+
+ dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
+ DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &value);
+
+ connman_dbus_dict_open(&value, &dict);
+ if (function)
+ function(&dict, user_data);
+ connman_dbus_dict_close(&value, &dict);
+
+ dbus_message_iter_close_container(iter, &value);
+}
+
+void connman_dbus_property_append_fixed_array(DBusMessageIter *iter,
const char *key, int type, void *val, int len)
{
- DBusMessageIter entry, value, array;
+ DBusMessageIter value, array;
const char *variant_sig, *array_sig;
switch (type) {
return;
}
- dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
- NULL, &entry);
-
- dbus_message_iter_append_basic(&entry, DBUS_TYPE_STRING, &key);
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &key);
- dbus_message_iter_open_container(&entry, DBUS_TYPE_VARIANT,
+ dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
variant_sig, &value);
dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
dbus_message_iter_append_fixed_array(&array, type, val, len);
dbus_message_iter_close_container(&value, &array);
- dbus_message_iter_close_container(&entry, &value);
-
- dbus_message_iter_close_container(dict, &entry);
+ dbus_message_iter_close_container(iter, &value);
}
-void connman_dbus_dict_append_variant(DBusMessageIter *dict,
- const char *key, int type, void *val)
+void connman_dbus_property_append_array(DBusMessageIter *iter,
+ const char *key, int type,
+ connman_dbus_append_cb_t function, void *user_data)
{
- DBusMessageIter entry;
+ DBusMessageIter value, array;
+ const char *variant_sig, *array_sig;
- dbus_message_iter_open_container(dict, DBUS_TYPE_DICT_ENTRY,
- NULL, &entry);
+ switch (type) {
+ case DBUS_TYPE_STRING:
+ variant_sig = DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING;
+ array_sig = DBUS_TYPE_STRING_AS_STRING;
+ break;
+ case DBUS_TYPE_OBJECT_PATH:
+ variant_sig = DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_TYPE_OBJECT_PATH_AS_STRING;
+ array_sig = DBUS_TYPE_OBJECT_PATH_AS_STRING;
+ break;
+ case DBUS_TYPE_DICT_ENTRY:
+ variant_sig = DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_STRUCT_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING
+ DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING
+ DBUS_STRUCT_END_CHAR_AS_STRING;
+ array_sig = DBUS_STRUCT_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING
+ DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING
+ DBUS_STRUCT_END_CHAR_AS_STRING;
+ break;
+ default:
+ return;
+ }
+
+ dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING, &key);
- connman_dbus_property_append_variant(&entry, key, type, val);
+ dbus_message_iter_open_container(iter, DBUS_TYPE_VARIANT,
+ variant_sig, &value);
+
+ dbus_message_iter_open_container(&value, DBUS_TYPE_ARRAY,
+ array_sig, &array);
+ if (function)
+ function(&array, user_data);
+ dbus_message_iter_close_container(&value, &array);
- dbus_message_iter_close_container(dict, &entry);
+ dbus_message_iter_close_container(iter, &value);
}
static DBusConnection *connection = NULL;
+dbus_bool_t connman_dbus_property_changed_basic(const char *path,
+ const char *interface, const char *key,
+ int type, void *val)
+{
+ DBusMessage *signal;
+ DBusMessageIter iter;
+
+ if (!path)
+ return FALSE;
+
+ signal = dbus_message_new_signal(path, interface, "PropertyChanged");
+ if (!signal)
+ return FALSE;
+
+ dbus_message_iter_init_append(signal, &iter);
+ connman_dbus_property_append_basic(&iter, key, type, val);
+
+ g_dbus_send_message(connection, signal);
+
+ return TRUE;
+}
+
+dbus_bool_t connman_dbus_property_changed_dict(const char *path,
+ const char *interface, const char *key,
+ connman_dbus_append_cb_t function, void *user_data)
+{
+ DBusMessage *signal;
+ DBusMessageIter iter;
+
+ if (!path)
+ return FALSE;
+
+ signal = dbus_message_new_signal(path, interface, "PropertyChanged");
+ if (!signal)
+ return FALSE;
+
+ dbus_message_iter_init_append(signal, &iter);
+ connman_dbus_property_append_dict(&iter, key, function, user_data);
+
+ g_dbus_send_message(connection, signal);
+
+ return TRUE;
+}
+
+dbus_bool_t connman_dbus_property_changed_array(const char *path,
+ const char *interface, const char *key, int type,
+ connman_dbus_append_cb_t function, void *user_data)
+{
+ DBusMessage *signal;
+ DBusMessageIter iter;
+
+ if (!path)
+ return FALSE;
+
+ signal = dbus_message_new_signal(path, interface, "PropertyChanged");
+ if (!signal)
+ return FALSE;
+
+ dbus_message_iter_init_append(signal, &iter);
+ connman_dbus_property_append_array(&iter, key, type,
+ function, user_data);
+
+ g_dbus_send_message(connection, signal);
+
+ return TRUE;
+}
+
+dbus_bool_t connman_dbus_setting_changed_basic(const char *owner,
+ const char *path, const char *key,
+ int type, void *val)
+{
+ DBusMessage *msg;
+ DBusMessageIter array, dict;
+
+ if (!owner || !path)
+ return FALSE;
+
+ msg = dbus_message_new_method_call(owner, path,
+ CONNMAN_NOTIFICATION_INTERFACE,
+ "Update");
+ if (!msg)
+ return FALSE;
+
+ dbus_message_iter_init_append(msg, &array);
+ connman_dbus_dict_open(&array, &dict);
+
+ connman_dbus_dict_append_basic(&dict, key, type, val);
+
+ connman_dbus_dict_close(&array, &dict);
+
+ g_dbus_send_message(connection, msg);
+
+ return TRUE;
+}
+
+dbus_bool_t connman_dbus_setting_changed_dict(const char *owner,
+ const char *path, const char *key,
+ connman_dbus_append_cb_t function,
+ void *user_data)
+{
+ DBusMessage *msg;
+ DBusMessageIter array, dict;
+
+ if (!owner || !path)
+ return FALSE;
+
+ msg = dbus_message_new_method_call(owner, path,
+ CONNMAN_NOTIFICATION_INTERFACE,
+ "Update");
+ if (!msg)
+ return FALSE;
+
+ dbus_message_iter_init_append(msg, &array);
+ connman_dbus_dict_open(&array, &dict);
+
+ connman_dbus_dict_append_dict(&dict, key, function, user_data);
+
+ connman_dbus_dict_close(&array, &dict);
+
+ g_dbus_send_message(connection, msg);
+
+ return TRUE;
+}
+
+dbus_bool_t connman_dbus_setting_changed_array(const char *owner,
+ const char *path, const char *key, int type,
+ connman_dbus_append_cb_t function,
+ void *user_data)
+{
+ DBusMessage *msg;
+ DBusMessageIter array, dict;
+
+ if (!owner || !path)
+ return FALSE;
+
+ msg = dbus_message_new_method_call(owner, path,
+ CONNMAN_NOTIFICATION_INTERFACE,
+ "Update");
+ if (!msg)
+ return FALSE;
+
+ dbus_message_iter_init_append(msg, &array);
+ connman_dbus_dict_open(&array, &dict);
+
+ connman_dbus_dict_append_array(&dict, key, type, function, user_data);
+
+ connman_dbus_dict_close(&array, &dict);
+
+ g_dbus_send_message(connection, msg);
+
+ return TRUE;
+}
+
+dbus_bool_t __connman_dbus_append_objpath_dict_array(DBusMessage *msg,
+ connman_dbus_append_cb_t function, void *user_data)
+{
+ DBusMessageIter iter, array;
+
+ if (!msg || !function)
+ return FALSE;
+
+ dbus_message_iter_init_append(msg, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_STRUCT_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_OBJECT_PATH_AS_STRING
+ DBUS_TYPE_ARRAY_AS_STRING
+ DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
+ DBUS_TYPE_STRING_AS_STRING
+ DBUS_TYPE_VARIANT_AS_STRING
+ DBUS_DICT_ENTRY_END_CHAR_AS_STRING
+ DBUS_STRUCT_END_CHAR_AS_STRING, &array);
+
+ function(&array, user_data);
+
+ dbus_message_iter_close_container(&iter, &array);
+
+ return TRUE;
+}
+
+dbus_bool_t __connman_dbus_append_objpath_array(DBusMessage *msg,
+ connman_dbus_append_cb_t function, void *user_data)
+{
+ DBusMessageIter iter, array;
+
+ if (!msg || !function)
+ return FALSE;
+
+ dbus_message_iter_init_append(msg, &iter);
+ dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
+ DBUS_TYPE_OBJECT_PATH_AS_STRING, &array);
+
+ function(&array, user_data);
+
+ dbus_message_iter_close_container(&iter, &array);
+
+ return TRUE;
+}
+
+struct callback_data {
+ void *cb;
+ void *user_data;
+};
+
+static void get_connection_unix_user_reply(DBusPendingCall *call,
+ void *user_data)
+{
+ struct callback_data *data = user_data;
+ connman_dbus_get_connection_unix_user_cb_t cb = data->cb;
+ DBusMessageIter iter;
+ DBusMessage *reply;
+ int err = 0;
+ unsigned int uid = 0;
+
+ reply = dbus_pending_call_steal_reply(call);
+
+ if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
+ DBG("Failed to retrieve UID");
+ err = -EIO;
+ goto done;
+ }
+
+ if (!dbus_message_has_signature(reply, "u")) {
+ DBG("Message signature is wrong");
+ err = -EINVAL;
+ goto done;
+ }
+
+ dbus_message_iter_init(reply, &iter);
+ dbus_message_iter_get_basic(&iter, &uid);
+
+done:
+ (*cb)(uid, data->user_data, err);
+
+ dbus_message_unref(reply);
+
+ dbus_pending_call_unref(call);
+}
+
+int connman_dbus_get_connection_unix_user(DBusConnection *connection,
+ const char *bus_name,
+ connman_dbus_get_connection_unix_user_cb_t func,
+ void *user_data)
+{
+ struct callback_data *data;
+ DBusPendingCall *call;
+ DBusMessage *msg = NULL;
+ int err;
+
+ data = g_try_new0(struct callback_data, 1);
+ if (!data) {
+ DBG("Can't allocate data structure");
+ return -ENOMEM;
+ }
+
+ msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ "GetConnectionUnixUser");
+ if (!msg) {
+ DBG("Can't allocate new message");
+ err = -ENOMEM;
+ goto err;
+ }
+
+ dbus_message_append_args(msg, DBUS_TYPE_STRING, &bus_name,
+ DBUS_TYPE_INVALID);
+
+ if (!dbus_connection_send_with_reply(connection, msg, &call, -1)) {
+ DBG("Failed to execute method call");
+ err = -EINVAL;
+ goto err;
+ }
+
+ if (!call) {
+ DBG("D-Bus connection not available");
+ err = -EINVAL;
+ goto err;
+ }
+
+ data->cb = func;
+ data->user_data = user_data;
+
+ dbus_pending_call_set_notify(call, get_connection_unix_user_reply,
+ data, g_free);
+
+ dbus_message_unref(msg);
+
+ return 0;
+
+err:
+ dbus_message_unref(msg);
+ g_free(data);
+
+ return err;
+}
+
+static unsigned char *parse_context(DBusMessage *msg)
+{
+ DBusMessageIter iter, array;
+ unsigned char *ctx, *p;
+ int size = 0;
+
+ dbus_message_iter_init(msg, &iter);
+ dbus_message_iter_recurse(&iter, &array);
+ while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_BYTE) {
+ size++;
+
+ dbus_message_iter_next(&array);
+ }
+
+ if (size == 0)
+ return NULL;
+
+ ctx = g_try_malloc0(size + 1);
+ if (!ctx)
+ return NULL;
+
+ p = ctx;
+
+ dbus_message_iter_init(msg, &iter);
+ dbus_message_iter_recurse(&iter, &array);
+ while (dbus_message_iter_get_arg_type(&array) == DBUS_TYPE_BYTE) {
+ dbus_message_iter_get_basic(&array, p);
+
+ p++;
+ dbus_message_iter_next(&array);
+ }
+
+ return ctx;
+}
+
+static void selinux_get_context_reply(DBusPendingCall *call, void *user_data)
+{
+ struct callback_data *data = user_data;
+ connman_dbus_get_context_cb_t cb = data->cb;
+ DBusMessage *reply;
+ unsigned char *context = NULL;
+ int err = 0;
+
+ reply = dbus_pending_call_steal_reply(call);
+
+ if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
+ DBG("Failed to retrieve SELinux context");
+ err = -EIO;
+ goto done;
+ }
+
+ if (!dbus_message_has_signature(reply, "ay")) {
+ DBG("Message signature is wrong");
+ err = -EINVAL;
+ goto done;
+ }
+
+ context = parse_context(reply);
+
+done:
+ (*cb)(context, data->user_data, err);
+
+ g_free(context);
+
+ dbus_message_unref(reply);
+
+ dbus_pending_call_unref(call);
+}
+
+int connman_dbus_get_selinux_context(DBusConnection *connection,
+ const char *service,
+ connman_dbus_get_context_cb_t func,
+ void *user_data)
+{
+ struct callback_data *data;
+ DBusPendingCall *call;
+ DBusMessage *msg = NULL;
+ int err;
+
+ if (!func)
+ return -EINVAL;
+
+ data = g_try_new0(struct callback_data, 1);
+ if (!data) {
+ DBG("Can't allocate data structure");
+ return -ENOMEM;
+ }
+
+ msg = dbus_message_new_method_call(DBUS_SERVICE_DBUS, DBUS_PATH_DBUS,
+ DBUS_INTERFACE_DBUS,
+ "GetConnectionSELinuxSecurityContext");
+ if (!msg) {
+ DBG("Can't allocate new message");
+ err = -ENOMEM;
+ goto err;
+ }
+
+ dbus_message_append_args(msg, DBUS_TYPE_STRING, &service,
+ DBUS_TYPE_INVALID);
+
+ if (!dbus_connection_send_with_reply(connection, msg, &call, -1)) {
+ DBG("Failed to execute method call");
+ err = -EINVAL;
+ goto err;
+ }
+
+ if (!call) {
+ DBG("D-Bus connection not available");
+ err = -EINVAL;
+ goto err;
+ }
+
+ data->cb = func;
+ data->user_data = user_data;
+
+ dbus_pending_call_set_notify(call, selinux_get_context_reply,
+ data, g_free);
+
+ dbus_message_unref(msg);
+
+ return 0;
+
+err:
+ dbus_message_unref(msg);
+ g_free(data);
+
+ return err;
+}
+
+void connman_dbus_reply_pending(DBusMessage *pending,
+ int error, const char *path)
+{
+ if (pending) {
+ if (error > 0) {
+ DBusMessage *reply;
+
+ reply = __connman_error_failed(pending, error);
+ if (reply)
+ g_dbus_send_message(connection, reply);
+ } else {
+ const char *sender;
+
+ sender = dbus_message_get_interface(pending);
+ if (!path)
+ path = dbus_message_get_path(pending);
+
+ DBG("sender %s path %s", sender, path);
+
+ if (g_strcmp0(sender, CONNMAN_MANAGER_INTERFACE) == 0)
+ g_dbus_send_reply(connection, pending,
+ DBUS_TYPE_OBJECT_PATH, &path,
+ DBUS_TYPE_INVALID);
+ else
+ g_dbus_send_reply(connection, pending,
+ DBUS_TYPE_INVALID);
+ }
+
+ dbus_message_unref(pending);
+ }
+}
+
DBusConnection *connman_dbus_get_connection(void)
{
- if (connection == NULL)
+ if (!connection)
return NULL;
return dbus_connection_ref(connection);
int __connman_dbus_init(DBusConnection *conn)
{
+ DBG("");
+
connection = conn;
return 0;
void __connman_dbus_cleanup(void)
{
+ DBG("");
+
connection = NULL;
}