예제 #1
0
static int bus_get_selinux_security_context(
                DBusConnection *connection,
                const char *name,
                char **scon,
                DBusError *error) {

        _cleanup_dbus_message_unref_ DBusMessage *m = NULL, *reply = NULL;
        DBusMessageIter iter, sub;
        const char *bytes;
        char *b;
        int nbytes;

        m = dbus_message_new_method_call(
                        DBUS_SERVICE_DBUS,
                        DBUS_PATH_DBUS,
                        DBUS_INTERFACE_DBUS,
                        "GetConnectionSELinuxSecurityContext");
        if (!m) {
                dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
                return -ENOMEM;
        }

        if (!dbus_message_append_args(
                            m,
                            DBUS_TYPE_STRING, &name,
                            DBUS_TYPE_INVALID)) {
                dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY, NULL);
                return -ENOMEM;
        }

        reply = dbus_connection_send_with_reply_and_block(connection, m, -1, error);
        if (!reply)
                return -EIO;

        if (dbus_set_error_from_message(error, reply))
                return -EIO;

        if (!dbus_message_iter_init(reply, &iter))
                return -EIO;

        if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
                return -EIO;

        dbus_message_iter_recurse(&iter, &sub);
        dbus_message_iter_get_fixed_array(&sub, &bytes, &nbytes);

        b = strndup(bytes, nbytes);
        if (!b)
                return -ENOMEM;

        *scon = b;

        log_debug("GetConnectionSELinuxSecurityContext %s (pid %ld)", *scon, (long) bus_get_unix_process_id(connection, name, error));

        return 0;
}
예제 #2
0
int sbus_introspect(struct sbus_request *dbus_req, void *pvt)
{
    char *xml;
    DBusError dberr;
    const struct sbus_interface_meta *iface;
    struct sbus_introspect_ctx *ictx;

    ictx = talloc_get_type(pvt, struct sbus_introspect_ctx);
    if (ictx == NULL) {
        DEBUG(SSSDBG_CRIT_FAILURE, "Invalid pointer!\n");
        return sbus_request_return_and_finish(dbus_req, DBUS_TYPE_INVALID);
    }
    iface = ictx->iface;

    xml = sbus_introspect_xml(dbus_req, iface);
    if (xml == NULL) {
        dbus_error_init(&dberr);
        dbus_set_error_const(&dberr,
                             DBUS_ERROR_NO_MEMORY,
                             "Failed to generate introspection data\n");
        return sbus_request_fail_and_finish(dbus_req, &dberr);
    }

    return sbus_request_return_and_finish(dbus_req,
                                          DBUS_TYPE_STRING, &xml,
                                          DBUS_TYPE_INVALID);

}
예제 #3
0
void
sbus_request_invoke_or_finish(struct sbus_request *dbus_req,
                              sbus_msg_handler_fn handler_fn,
                              void *handler_data,
                              sbus_method_invoker_fn invoker_fn)
{
    DBusError error;
    int ret;

    if (invoker_fn != NULL) {
        ret = invoker_fn(dbus_req, handler_fn);
    } else if (handler_fn != NULL) {
        ret = handler_fn(dbus_req, handler_data);
    } else {
        ret = EINVAL;
    }

    switch(ret) {
    case ERR_SBUS_REQUEST_HANDLED:
    case EOK:
        return;
    case ENOMEM:
        DEBUG(SSSDBG_CRIT_FAILURE, "Out of memory handling DBus message\n");
        sbus_request_finish(dbus_req, NULL);
        break;
    default:
        DEBUG(SSSDBG_CRIT_FAILURE, "Handler failed [%d]: %s\n",
              ret, sss_strerror(ret));
        dbus_error_init(&error);
        dbus_set_error_const(&error, DBUS_ERROR_FAILED, INTERNAL_ERROR);
        sbus_request_fail_and_finish(dbus_req, &error);
        break;
    }
}
예제 #4
0
static DBusError *sbus_error_new_va(TALLOC_CTX *mem_ctx,
                                    const char *error_name,
                                    const char *fmt,
                                    va_list ap)
{
    DBusError *error;
    const char *error_msg;

    error = talloc_zero(mem_ctx, DBusError);
    if (error == NULL) {
        return NULL;
    }

    if (fmt != NULL) {
        error_msg = talloc_vasprintf(error, fmt, ap);
        if (error_msg == NULL) {
            talloc_free(error);
            return NULL;
        }
    } else {
        error_msg = NULL;
    }

    dbus_error_init(error);
    dbus_set_error_const(error, error_name, error_msg);

    return error;
}
예제 #5
0
static void pincode_reply(DBusPendingCall *call, void *user_data)
{
	struct agent_request *req = user_data;
	struct agent *agent = req->agent;
	struct btd_adapter *adapter = agent->adapter;
	agent_pincode_cb cb = req->cb;
	DBusMessage *message;
	DBusError err;
	bdaddr_t sba;
	size_t len;
	char *pin;

	adapter_get_address(adapter, &sba);

	/* steal_reply will always return non-NULL since the callback
	 * is only called after a reply has been received */
	message = dbus_pending_call_steal_reply(call);

	dbus_error_init(&err);
	if (dbus_set_error_from_message(&err, message)) {
		error("Agent %s replied with an error: %s, %s",
				agent->path, err.name, err.message);

		cb(agent, &err, NULL, req->user_data);
		dbus_error_free(&err);
		goto done;
	}

	dbus_error_init(&err);
	if (!dbus_message_get_args(message, &err,
				DBUS_TYPE_STRING, &pin,
				DBUS_TYPE_INVALID)) {
		error("Wrong passkey reply signature: %s", err.message);
		cb(agent, &err, NULL, req->user_data);
		dbus_error_free(&err);
		goto done;
	}

	len = strlen(pin);

	dbus_error_init(&err);
	if (len > 16 || len < 1) {
		error("Invalid PIN length (%zu) from agent", len);
		dbus_set_error_const(&err, "org.bluez.Error.InvalidArgs",
					"Invalid passkey length");
		cb(agent, &err, NULL, req->user_data);
		dbus_error_free(&err);
		goto done;
	}

	cb(agent, NULL, pin, req->user_data);

done:
	if (message)
		dbus_message_unref(message);

	dbus_pending_call_cancel(req->call);
	agent->request = NULL;
	agent_request_free(req, TRUE);
}
static DBusHandlerResult session_message_handler(
                DBusConnection *connection,
                DBusMessage *message,
                void *userdata) {

        Manager *m = userdata;
        Session *s;
        int r;

        r = get_session_for_path(m, dbus_message_get_path(message), &s);
        if (r < 0) {

                if (r == -ENOMEM)
                        return DBUS_HANDLER_RESULT_NEED_MEMORY;

                if (r == -ENOENT) {
                        DBusError e;

                        dbus_error_init(&e);
                        dbus_set_error_const(&e, DBUS_ERROR_UNKNOWN_OBJECT, "Unknown session");
                        return bus_send_error_reply(connection, message, &e, r);
                }

                return bus_send_error_reply(connection, message, NULL, r);
        }

        return session_message_dispatch(s, connection, message);
}
static dbus_bool_t fill_dict_with_properties(
	DBusMessageIter *dict_iter,
	const struct wpa_dbus_property_desc *props,
	const char *interface, void *user_data, DBusError *error)
{
	DBusMessageIter entry_iter;
	const struct wpa_dbus_property_desc *dsc;

	for (dsc = props; dsc && dsc->dbus_property; dsc++) {
		/* Only return properties for the requested D-Bus interface */
		if (os_strncmp(dsc->dbus_interface, interface,
			       WPAS_DBUS_INTERFACE_MAX) != 0)
			continue;

		/* Skip write-only properties */
		if (dsc->getter == NULL)
			continue;

		if (!dbus_message_iter_open_container(dict_iter,
						      DBUS_TYPE_DICT_ENTRY,
						      NULL, &entry_iter)) {
			dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
			                     "no memory");
			return FALSE;
		}
		if (!dbus_message_iter_append_basic(&entry_iter,
						    DBUS_TYPE_STRING,
						    &dsc->dbus_property)) {
			dbus_set_error_const(error, DBUS_ERROR_NO_MEMORY,
			                     "no memory");
			return FALSE;
		}

		/* An error getting a property fails the request entirely */
		if (!dsc->getter(&entry_iter, error, user_data))
			return FALSE;

		dbus_message_iter_close_container(dict_iter, &entry_iter);
	}

	return TRUE;
}
/**
 * Start reading from a dbus dict.
 *
 * @param iter A valid DBusMessageIter pointing to the start of the dict
 * @param iter_dict (out) A DBusMessageIter to be passed to
 *    wpa_dbus_dict_read_next_entry()
 * @error on failure a descriptive error
 * @return TRUE on success, FALSE on failure
 *
 */
dbus_bool_t wpa_dbus_dict_open_read(DBusMessageIter *iter,
				    DBusMessageIter *iter_dict,
				    DBusError *error)
{
	if (!iter || !iter_dict) {
		dbus_set_error_const(error, DBUS_ERROR_FAILED,
		                     "[internal] missing message iterators");
		return FALSE;
	}

	if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY ||
	    dbus_message_iter_get_element_type(iter) != DBUS_TYPE_DICT_ENTRY) {
		dbus_set_error_const(error, DBUS_ERROR_INVALID_ARGS,
		                     "unexpected message argument types");
		return FALSE;
	}

	dbus_message_iter_recurse(iter, iter_dict);
	return TRUE;
}
예제 #9
0
static int sync_auth(DBusConnection *bus, DBusError *error) {
        usec_t begin, tstamp;

        assert(bus);

        /* This complexity should probably move into D-Bus itself:
         *
         * https://bugs.freedesktop.org/show_bug.cgi?id=35189 */

        begin = tstamp = now(CLOCK_MONOTONIC);
        for (;;) {

                if (tstamp > begin + DEFAULT_TIMEOUT_USEC)
                        break;

                if (dbus_connection_get_is_authenticated(bus))
                        break;

                if (!dbus_connection_read_write_dispatch(bus, ((begin + DEFAULT_TIMEOUT_USEC - tstamp) + USEC_PER_MSEC - 1) / USEC_PER_MSEC))
                        break;

                tstamp = now(CLOCK_MONOTONIC);
        }

        if (!dbus_connection_get_is_connected(bus)) {
                dbus_set_error_const(error, DBUS_ERROR_NO_SERVER, "Connection terminated during authentication.");
                return -ECONNREFUSED;
        }

        if (!dbus_connection_get_is_authenticated(bus)) {
                dbus_set_error_const(error, DBUS_ERROR_TIMEOUT, "Failed to authenticate in time.");
                return -EACCES;
        }

        return 0;
}
예제 #10
0
파일: agent.c 프로젝트: ghent360/bluez
void agent_unref(struct agent *agent)
{
	agent->ref--;

	DBG("%p: ref=%d", agent, agent->ref);

	if (agent->ref > 0)
		return;

	if (agent->request) {
		DBusError err;
		agent_pincode_cb pincode_cb;
		agent_passkey_cb passkey_cb;
		agent_cb cb;

		dbus_error_init(&err);
		dbus_set_error_const(&err, ERROR_INTERFACE ".Failed",
								"Canceled");

		switch (agent->request->type) {
		case AGENT_REQUEST_PINCODE:
			pincode_cb = agent->request->cb;
			pincode_cb(agent, &err, NULL, agent->request->user_data);
			break;
		case AGENT_REQUEST_PASSKEY:
			passkey_cb = agent->request->cb;
			passkey_cb(agent, &err, 0, agent->request->user_data);
			break;
		case AGENT_REQUEST_CONFIRMATION:
		case AGENT_REQUEST_AUTHORIZATION:
		case AGENT_REQUEST_AUTHORIZE_SERVICE:
		case AGENT_REQUEST_DISPLAY_PINCODE:
		default:
			cb = agent->request->cb;
			cb(agent, &err, agent->request->user_data);
		}

		dbus_error_free(&err);

		agent_cancel(agent);
	}

	g_free(agent->owner);
	g_free(agent->path);

	g_free(agent);
}
예제 #11
0
파일: agent.c 프로젝트: intgr/bluez
void agent_free(struct agent *agent)
{
	if (!agent)
		return;

	if (agent->remove_cb)
		agent->remove_cb(agent, agent->remove_cb_data);

	if (agent->request) {
		DBusError err;
		agent_pincode_cb pincode_cb;
		agent_passkey_cb passkey_cb;
		agent_cb cb;

		dbus_error_init(&err);
		dbus_set_error_const(&err, "org.bluez.Error.Failed", "Canceled");

		switch (agent->request->type) {
		case AGENT_REQUEST_PINCODE:
			pincode_cb = agent->request->cb;
			pincode_cb(agent, &err, NULL, agent->request->user_data);
			break;
		case AGENT_REQUEST_PASSKEY:
			passkey_cb = agent->request->cb;
			passkey_cb(agent, &err, 0, agent->request->user_data);
			break;
		default:
			cb = agent->request->cb;
			cb(agent, &err, agent->request->user_data);
		}

		dbus_error_free(&err);

		agent_cancel(agent);
	}

	if (!agent->exited) {
		g_dbus_remove_watch(btd_get_dbus_connection(),
							agent->listener_id);
		agent_release(agent);
	}

	g_free(agent->name);
	g_free(agent->path);

	g_free(agent);
}
/**
 * @ingroup DBusGLibInternals
 * Unit test for general glib stuff
 * @returns #TRUE on success.
 */
gboolean
_dbus_glib_test (const char *test_data_dir)
{
  DBusError err;
  GError *gerror = NULL;

  dbus_error_init (&err);
  dbus_set_error_const (&err, DBUS_ERROR_NO_MEMORY, "Out of memory!");

  dbus_set_g_error (&gerror, &err);
  g_assert (gerror != NULL);
  g_assert (gerror->domain == DBUS_GERROR);
  g_assert (gerror->code == DBUS_GERROR_NO_MEMORY);
  g_assert (!strcmp (gerror->message, "Out of memory!"));
  
  dbus_error_init (&err);
  g_clear_error (&gerror);

  return TRUE;
}
예제 #13
0
int sbus_request_return_and_finish(struct sbus_request *dbus_req,
                                   int first_arg_type,
                                   ...)
{
    DBusMessage *reply;
    DBusError error = DBUS_ERROR_INIT;
    dbus_bool_t dbret;
    va_list va;
    int ret;

    va_start(va, first_arg_type);
    ret = sbus_request_valist_check(va, first_arg_type);
    if (ret != EOK) {
        va_end(va);
        dbus_set_error_const(&error, DBUS_ERROR_INVALID_ARGS, INTERNAL_ERROR);
        return sbus_request_fail_and_finish(dbus_req, &error);
    }

    reply = dbus_message_new_method_return(dbus_req->message);
    if (!reply) {
        va_end(va);
        DEBUG(SSSDBG_CRIT_FAILURE, "Out of memory allocating DBus message\n");
        sbus_request_finish(dbus_req, NULL);
        return ENOMEM;
    }

    dbret = dbus_message_append_args_valist(reply, first_arg_type, va);
    va_end(va);

    if (dbret) {
        ret = sbus_request_finish(dbus_req, reply);

    } else {
        DEBUG(SSSDBG_CRIT_FAILURE, "Couldn't build DBus message\n");
        sbus_request_finish(dbus_req, NULL);
        ret = EINVAL;
    }

    dbus_message_unref(reply);
    return ret;
}
bool dbus_proc_property(const char *method, DBusMessage *msg,
			DBusMessage *reply, DBusError *error,
			struct gsh_dbus_interface **interfaces)
{
	const char *interface;
	const char *prop_name;
	bool retval = false;
	struct gsh_dbus_interface **iface;
	struct gsh_dbus_prop **prop;
	DBusMessageIter reply_iter;

	dbus_message_iter_init_append(reply, &reply_iter);

	if (strcmp(method, "GetAll") == 0) {
		DBusMessageIter getall_dict, dict_entry, val_iter;

		if (!dbus_message_get_args
		    (msg, error, DBUS_TYPE_STRING, &interface,
		     DBUS_TYPE_INVALID))
			goto err_out;
		iface = lookup_interface(interface, interfaces, error);
		if (*iface == NULL)
			goto err_out;
		if (!dbus_message_iter_open_container
		    (&reply_iter, DBUS_TYPE_ARRAY,
		     DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
		     DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_VARIANT_AS_STRING
		     DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &getall_dict))
			goto getall_err;
		for (prop = (*iface)->props; prop && *prop; prop++) {
			prop_name = (*prop)->name;
			if ((*prop)->access == DBUS_PROP_READ
			    || (*prop)->access == DBUS_PROP_READWRITE) {
				if (!dbus_message_iter_open_container
				    (&getall_dict, DBUS_TYPE_DICT_ENTRY, NULL,
				     &dict_entry))
					goto getall_err;
				if (!dbus_message_iter_append_basic
				    (&dict_entry, DBUS_TYPE_STRING, &prop_name))
					goto getall_err;
				if (!dbus_message_iter_open_container
				    (&dict_entry, DBUS_TYPE_VARIANT,
				     (*prop)->type, &val_iter))
					goto getall_err;
				if (!(*prop)->get(&val_iter))
					goto getall_err;
				if (!dbus_message_iter_close_container
				    (&dict_entry, &val_iter))
					goto getall_err;
				if (!dbus_message_iter_close_container
				    (&getall_dict, &dict_entry))
					goto getall_err;
			} else {
				dbus_set_error(error,
					       DBUS_ERROR_PROPERTY_READ_ONLY,
					       "%s of %s from %s (write only?)",
					       method, prop_name, interface);
				/** @todo@ check does write only make sense?? */
				goto err_out;
			}
		}
		if (!dbus_message_iter_close_container
		    (&reply_iter, &getall_dict))
			goto getall_err;

		return true;	/* DONE! */

	} else if (strcmp(method, "Get") == 0) {
		if (!dbus_message_get_args
		    (msg, error, DBUS_TYPE_STRING, &interface, DBUS_TYPE_STRING,
		     &prop_name, DBUS_TYPE_INVALID))
			goto err_out;
		iface = lookup_interface(interface, interfaces, error);
		if (*iface == NULL)
			goto err_out;
		prop = lookup_property(prop_name, iface, error);
		if (*prop == NULL)
			goto err_out;
		if ((*prop)->access == DBUS_PROP_READ
		    || (*prop)->access == DBUS_PROP_READWRITE) {
			DBusMessageIter variant_iter;

			if (!dbus_message_iter_open_container
			    (&reply_iter, DBUS_TYPE_VARIANT, (*prop)->type,
			     &variant_iter)) {
				dbus_set_error_const(error, DBUS_ERROR_FAILED,
						     "Couldn't open Get container");
				goto err_out;
			}
			retval = (*prop)->get(&variant_iter);
			if (retval == false ||
			    !dbus_message_iter_close_container(&reply_iter,
							       &variant_iter)) {
				dbus_set_error_const(error, DBUS_ERROR_FAILED,
						     "Couldn't close Get container");
				goto err_out;
			}
		} else {
			dbus_set_error(error, DBUS_ERROR_PROPERTY_READ_ONLY,
				       "%s of %s from %s (write only?)", method,
				       prop_name, interface);
			/** @todo@ check does write only make sense?? */
			goto err_out;
		}

		return true;	/* DONE! */

	} else if (strcmp(method, "Set") == 0) {
		DBusMessageIter iter_args;

		if (!dbus_message_iter_init(msg, &iter_args)
		    || dbus_message_iter_get_arg_type(&iter_args) !=
		    DBUS_TYPE_STRING) {
			goto invalid_args;
		}
		dbus_message_iter_get_basic(&iter_args, &interface);
		if (!dbus_message_iter_next(&iter_args)
		    || dbus_message_iter_get_arg_type(&iter_args) !=
		    DBUS_TYPE_STRING) {
			goto invalid_args;
		}
		dbus_message_iter_get_basic(&iter_args, &prop_name);
		if (!dbus_message_iter_next(&iter_args)
		    || dbus_message_iter_get_arg_type(&iter_args) !=
		    DBUS_TYPE_VARIANT
		    || dbus_message_iter_has_next(&iter_args)) {
			goto invalid_args;
		}
		iface = lookup_interface(interface, interfaces, error);
		if (*iface == NULL)
			goto err_out;
		prop = lookup_property(prop_name, iface, error);
		if (*prop == NULL)
			goto err_out;
		if ((*prop)->access == DBUS_PROP_WRITE
		    || (*prop)->access == DBUS_PROP_READWRITE) {
			DBusMessageIter arg;

			dbus_message_iter_recurse(&iter_args, &arg);

			return (*prop)->set(&arg);	/* DONE! */

		} else {
			dbus_set_error(error, DBUS_ERROR_PROPERTY_READ_ONLY,
				       "%s of %s from %s", method, prop_name,
				       interface);
			goto err_out;
		}
	} else {
		dbus_set_error(error, DBUS_ERROR_UNKNOWN_METHOD,
			       "Requested method: %s", method);
	}
	return retval;

 getall_err:
	dbus_set_error(error, DBUS_ERROR_FAILED, "GetAll container failure");
	goto err_out;

 invalid_args:
	dbus_set_error(error, DBUS_ERROR_INVALID_ARGS, "Method %s", method);

 err_out:
	return retval;
}
예제 #15
0
VIR_MOCK_WRAP_RET_ARGS(dbus_connection_send_with_reply_and_block,
                       DBusMessage *,
                       DBusConnection *, connection,
                       DBusMessage *, message,
                       int, timeout_milliseconds,
                       DBusError *, error)
{
    DBusMessage *reply = NULL;
    const char *service = dbus_message_get_destination(message);
    const char *member = dbus_message_get_member(message);

    VIR_MOCK_REAL_INIT(dbus_connection_send_with_reply_and_block);

    if (STREQ(service, "org.freedesktop.machine1")) {
        if (getenv("FAIL_BAD_SERVICE")) {
            dbus_set_error_const(error,
                                 "org.freedesktop.systemd.badthing",
                                 "Something went wrong creating the machine");
        } else {
            reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
        }
    } else if (STREQ(service, "org.freedesktop.login1")) {
        char *supported = getenv("RESULT_SUPPORT");
        DBusMessageIter iter;
        reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
        dbus_message_iter_init_append(reply, &iter);

        if (!dbus_message_iter_append_basic(&iter,
                                            DBUS_TYPE_STRING,
                                            &supported))
            goto error;
    } else if (STREQ(service, "org.freedesktop.DBus") &&
               STREQ(member, "ListActivatableNames")) {
        const char *svc1 = "org.foo.bar.wizz";
        const char *svc2 = "org.freedesktop.machine1";
        const char *svc3 = "org.freedesktop.login1";
        DBusMessageIter iter;
        DBusMessageIter sub;
        reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
        dbus_message_iter_init_append(reply, &iter);
        dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
                                         "s", &sub);

        if (!dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc1))
            goto error;
        if (!getenv("FAIL_NO_SERVICE") &&
            !dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc2))
            goto error;
        if (!getenv("FAIL_NO_SERVICE") &&
            !dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc3))
            goto error;
        dbus_message_iter_close_container(&iter, &sub);
    } else if (STREQ(service, "org.freedesktop.DBus") &&
               STREQ(member, "ListNames")) {
        const char *svc1 = "org.foo.bar.wizz";
        const char *svc2 = "org.freedesktop.systemd1";
        const char *svc3 = "org.freedesktop.login1";
        DBusMessageIter iter;
        DBusMessageIter sub;
        reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
        dbus_message_iter_init_append(reply, &iter);
        dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
                                         "s", &sub);

        if (!dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc1))
            goto error;
        if ((!getenv("FAIL_NO_SERVICE") && !getenv("FAIL_NOT_REGISTERED")) &&
            !dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc2))
            goto error;
        if ((!getenv("FAIL_NO_SERVICE") && !getenv("FAIL_NOT_REGISTERED")) &&
            !dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc3))
            goto error;
        dbus_message_iter_close_container(&iter, &sub);
    } else {
        reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
    }

    return reply;

 error:
    dbus_message_unref(reply);
    return NULL;
}
예제 #16
0
dbus_bool_t
_dbus_spawn_async_with_babysitter (DBusBabysitter           **sitter_p,
                                   char                     **argv,
                                   char                     **envp,
                                   DBusSpawnChildSetupFunc    child_setup,
                                   void                      *user_data,
                                   DBusError                 *error)
{
  DBusBabysitter *sitter;
  HANDLE sitter_thread;
  int sitter_thread_id;

  _DBUS_ASSERT_ERROR_IS_CLEAR (error);

  *sitter_p = NULL;

  PING();
  sitter = _dbus_babysitter_new ();
  if (sitter == NULL)
    {
      _DBUS_SET_OOM (error);
      return FALSE;
    }

  sitter->child_setup = child_setup;
  sitter->user_data = user_data;

  sitter->executable = _dbus_strdup (argv[0]);
  if (sitter->executable == NULL)
    {
      _DBUS_SET_OOM (error);
      goto out0;
    }

  PING();
  if (!_dbus_full_duplex_pipe (&sitter->socket_to_babysitter,
                               &sitter->socket_to_main,
                               FALSE, error))
    goto out0;

  sitter->sitter_watch = _dbus_watch_new (sitter->socket_to_babysitter,
                                          DBUS_WATCH_READABLE,
                                          TRUE, handle_watch, sitter, NULL);
  PING();
  if (sitter->sitter_watch == NULL)
    {
      _DBUS_SET_OOM (error);
      goto out0;
    }

  PING();
  if (!_dbus_watch_list_add_watch (sitter->watches,  sitter->sitter_watch))
    {
      _DBUS_SET_OOM (error);
      goto out0;
    }

  sitter->argc = protect_argv (argv, &sitter->argv);
  if (sitter->argc == -1)
    {
      _DBUS_SET_OOM (error);
      goto out0;
    }
  sitter->envp = envp;

  PING();
  sitter_thread = (HANDLE) _beginthreadex (NULL, 0, babysitter,
                  sitter, 0, &sitter_thread_id);

  if (sitter_thread == 0)
    {
      PING();
      dbus_set_error_const (error, DBUS_ERROR_SPAWN_FORK_FAILED,
                            "Failed to create new thread");
      goto out0;
    }
  CloseHandle (sitter_thread);

  PING();
  WaitForSingleObject (sitter->start_sync_event, INFINITE);

  PING();
  if (sitter_p != NULL)
    *sitter_p = sitter;
  else
    _dbus_babysitter_unref (sitter);

  _DBUS_ASSERT_ERROR_IS_CLEAR (error);

  PING();
  return TRUE;

out0:
  _dbus_babysitter_unref (sitter);

  return FALSE;
}
static DBusList*
tokenize_command_line (const char *command_line, DBusError *error)
{
    char current_quote;
    const char *p;
    DBusString current_token;
    DBusList *retval = NULL;
    dbus_bool_t quoted;;

    current_quote = '\0';
    quoted = FALSE;
    p = command_line;

    if (!_dbus_string_init (&current_token))
    {
        _DBUS_SET_OOM (error);
        return NULL;
    }

    while (*p)
    {
        if (current_quote == '\\')
        {
            if (*p == '\n')
            {
                /* we append nothing; backslash-newline become nothing */
            }
            else
            {
                if (!_dbus_string_append_byte (&current_token, '\\') ||
                        !_dbus_string_append_byte (&current_token, *p))
                {
                    _DBUS_SET_OOM (error);
                    goto error;
                }
            }

            current_quote = '\0';
        }
        else if (current_quote == '#')
        {
            /* Discard up to and including next newline */
            while (*p && *p != '\n')
                ++p;

            current_quote = '\0';

            if (*p == '\0')
                break;
        }
        else if (current_quote)
        {
            if (*p == current_quote &&
                    /* check that it isn't an escaped double quote */
                    !(current_quote == '"' && quoted))
            {
                /* close the quote */
                current_quote = '\0';
            }

            /* Everything inside quotes, and the close quote,
             * gets appended literally.
             */

            if (!_dbus_string_append_byte (&current_token, *p))
            {
                _DBUS_SET_OOM (error);
                goto error;
            }
        }
        else
        {
            switch (*p)
            {
            case '\n':
                if (!delimit_token (&current_token, &retval, error))
                    goto error;

                _dbus_string_free (&current_token);

                if (!_dbus_string_init (&current_token))
                {
                    _DBUS_SET_OOM (error);
                    goto init_error;
                }

                break;

            case ' ':
            case '\t':
                /* If the current token contains the previous char, delimit
                 * the current token. A nonzero length
                 * token should always contain the previous char.
                 */
                if (_dbus_string_get_length (&current_token) > 0)
                {
                    if (!delimit_token (&current_token, &retval, error))
                        goto error;

                    _dbus_string_free (&current_token);

                    if (!_dbus_string_init (&current_token))
                    {
                        _DBUS_SET_OOM (error);
                        goto init_error;
                    }

                }

                /* discard all unquoted blanks (don't add them to a token) */
                break;


            /* single/double quotes are appended to the token,
             * escapes are maybe appended next time through the loop,
             * comment chars are never appended.
             */

            case '\'':
            case '"':
                if (!_dbus_string_append_byte (&current_token, *p))
                {
                    _DBUS_SET_OOM (error);
                    goto error;
                }

            /* FALL THRU */

            case '#':
            case '\\':
                current_quote = *p;
                break;

            default:
                /* Combines rules 4) and 6) - if we have a token, append to it,
                 * otherwise create a new token.
                 */
                if (!_dbus_string_append_byte (&current_token, *p))
                {
                    _DBUS_SET_OOM (error);
                    goto error;
                }
                break;
            }
        }

        /* We need to count consecutive backslashes mod 2,
         * to detect escaped doublequotes.
         */
        if (*p != '\\')
            quoted = FALSE;
        else
            quoted = !quoted;

        ++p;
    }

    if (!delimit_token (&current_token, &retval, error))
        goto error;

    if (current_quote)
    {
        dbus_set_error_const (error, DBUS_ERROR_INVALID_ARGS, "Unclosed quotes in command line");
        goto error;
    }

    if (retval == NULL)
    {
        dbus_set_error_const (error, DBUS_ERROR_INVALID_ARGS, "No tokens found in command line");
        goto error;
    }

    _dbus_string_free (&current_token);

    return retval;

error:
    _dbus_string_free (&current_token);

init_error:
    if (retval)
    {
        _dbus_list_foreach (&retval, (DBusForeachFunction) dbus_free, NULL);
        _dbus_list_clear (&retval);
    }

    return NULL;
}
예제 #18
0
VIR_MOCK_WRAP_RET_ARGS(dbus_connection_send_with_reply_and_block,
                       DBusMessage *,
                       DBusConnection *, connection,
                       DBusMessage *, message,
                       int, timeout_milliseconds,
                       DBusError *, error)
{
    DBusMessage *reply = NULL;
    const char *service = dbus_message_get_destination(message);
    const char *member = dbus_message_get_member(message);
    size_t i;
    size_t nargs = 0;
    char **args = NULL;
    char *type = NULL;

    VIR_MOCK_REAL_INIT(dbus_connection_send_with_reply_and_block);

    if (STREQ(service, "org.freedesktop.DBus") &&
        STREQ(member, "ListNames")) {
        const char *svc1 = "org.foo.bar.wizz";
        const char *svc2 = VIR_FIREWALL_FIREWALLD_SERVICE;
        DBusMessageIter iter;
        DBusMessageIter sub;
        reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
        dbus_message_iter_init_append(reply, &iter);
        dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
                                         "s", &sub);

        if (!dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc1))
            goto error;
        if (!fwDisabled &&
            !dbus_message_iter_append_basic(&sub,
                                            DBUS_TYPE_STRING,
                                            &svc2))
            goto error;
        dbus_message_iter_close_container(&iter, &sub);
    } else if (STREQ(service, VIR_FIREWALL_FIREWALLD_SERVICE) &&
               STREQ(member, "passthrough")) {
        bool isAdd = false;
        bool doError = false;

        if (virDBusMessageDecode(message,
                                 "sa&s",
                                 &type,
                                 &nargs,
                                 &args) < 0)
            goto error;

        for (i = 0; i < nargs; i++) {
            /* Fake failure on the command with this IP addr */
            if (STREQ(args[i], "-A")) {
                isAdd = true;
            } else if (isAdd && STREQ(args[i], "192.168.122.255")) {
                doError = true;
            }
        }

        if (fwBuf) {
            if (STREQ(type, "ipv4"))
                virBufferAddLit(fwBuf, IPTABLES_PATH);
            else if (STREQ(type, "ipv4"))
                virBufferAddLit(fwBuf, IP6TABLES_PATH);
            else
                virBufferAddLit(fwBuf, EBTABLES_PATH);
        }
        for (i = 0; i < nargs; i++) {
            if (fwBuf) {
                virBufferAddLit(fwBuf, " ");
                virBufferEscapeShell(fwBuf, args[i]);
            }
        }
        if (fwBuf)
            virBufferAddLit(fwBuf, "\n");
        if (doError) {
            dbus_set_error_const(error,
                                 "org.firewalld.error",
                                 "something bad happened");
        } else {
            if (nargs == 1 &&
                STREQ(type, "ipv4") &&
                STREQ(args[0], "-L")) {
                if (virDBusCreateReply(&reply,
                                       "s", TEST_FILTER_TABLE_LIST) < 0)
                    goto error;
            } else if (nargs == 3 &&
                       STREQ(type, "ipv4") &&
                       STREQ(args[0], "-t") &&
                       STREQ(args[1], "nat") &&
                       STREQ(args[2], "-L")) {
                if (virDBusCreateReply(&reply,
                                       "s", TEST_NAT_TABLE_LIST) < 0)
                    goto error;
            } else {
                if (virDBusCreateReply(&reply,
                                       "s", "success") < 0)
                    goto error;
            }
        }
    } else {
        reply = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_RETURN);
    }

 cleanup:
    VIR_FREE(type);
    for (i = 0; i < nargs; i++)
        VIR_FREE(args[i]);
    VIR_FREE(args);
    return reply;

 error:
    virDBusMessageUnref(reply);
    reply = NULL;
    if (error && !dbus_error_is_set(error))
        dbus_set_error_const(error,
                             "org.firewalld.error",
                             "something unexpected happened");

    goto cleanup;
}
예제 #19
0
void Error::set( const char* name, const char* message )
{
//	_name = name;
//	_message = message;
	dbus_set_error_const(&_error, name, message);
}