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/*
Authors:
Stef Walter <stefw@redhat.com>
Copyright (C) 2014 Red Hat
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "util/util.h"
#include "sbus/sssd_dbus.h"
#include "sbus/sssd_dbus_meta.h"
#include "sbus/sssd_dbus_private.h"
static int
dispatch_properties_set(struct sbus_connection *conn,
struct sbus_interface *intf,
DBusMessage *message)
{
const char *signature;
const struct sbus_interface_meta *meta;
const struct sbus_property_meta *property;
const char *interface_name;
const char *property_name;
const char *type;
struct sbus_request *req;
sbus_msg_handler_fn handler_fn;
DBusMessageIter iter;
DBusMessageIter variant;
req = sbus_new_request(conn, intf, message);
if (!req)
return ENOMEM;
meta = intf->vtable->meta;
signature = dbus_message_get_signature(message);
if (strcmp (signature, "ssv") != 0) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_INVALID_ARGS,
"Invalid argument types passed " \
"to Set method"));
}
dbus_message_iter_init (message, &iter);
dbus_message_iter_get_basic (&iter, &interface_name);
dbus_message_iter_next (&iter);
dbus_message_iter_get_basic (&iter, &property_name);
dbus_message_iter_next (&iter);
if (strcmp (interface_name, meta->name) != 0) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_UNKNOWN_INTERFACE,
"No such interface"));
}
property = sbus_meta_find_property (intf->vtable->meta, property_name);
if (property == NULL) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_UNKNOWN_PROPERTY,
"No such property"));
}
if (!(property->flags & SBUS_PROPERTY_WRITABLE)) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_PROPERTY_READ_ONLY,
"Property is not writable"));
}
dbus_message_iter_recurse(&iter, &variant);
type = dbus_message_iter_get_signature (&variant);
if (strcmp (property->type, type) != 0) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_INVALID_ARGS,
"Invalid data type for property"));
}
handler_fn = VTABLE_FUNC(intf->vtable, property->vtable_offset_set);
if (!handler_fn) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_NOT_SUPPORTED,
"Not implemented"));
}
sbus_request_invoke_or_finish(req, handler_fn,
intf->instance_data,
property->invoker_set);
return EOK;
}
static int
dispatch_properties_get(struct sbus_connection *conn,
struct sbus_interface *intf,
DBusMessage *message)
{
struct sbus_request *req;
const char *signature;
const struct sbus_interface_meta *meta;
DBusMessageIter iter;
sbus_msg_handler_fn handler_fn;
const struct sbus_property_meta *property;
const char *interface_name;
const char *property_name;
req = sbus_new_request(conn, intf, message);
if (req == NULL) {
return ENOMEM;
}
meta = intf->vtable->meta;
signature = dbus_message_get_signature(message);
/* Interface name, property name */
if (strcmp(signature, "ss") != 0) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_INVALID_ARGS,
"Invalid argument types passed to Get method"));
}
dbus_message_iter_init(message, &iter);
dbus_message_iter_get_basic(&iter, &interface_name);
dbus_message_iter_next(&iter);
dbus_message_iter_get_basic(&iter, &property_name);
if (strcmp(interface_name, meta->name) != 0) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_UNKNOWN_INTERFACE,
"No such interface"));
}
property = sbus_meta_find_property(intf->vtable->meta, property_name);
if (property == NULL) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_UNKNOWN_PROPERTY,
"No such property"));
}
if (!(property->flags & SBUS_PROPERTY_READABLE)) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_ACCESS_DENIED,
"Property is not readable"));
}
handler_fn = VTABLE_FUNC(intf->vtable, property->vtable_offset_get);
if (!handler_fn) {
return sbus_request_fail_and_finish(req,
sbus_error_new(req,
DBUS_ERROR_NOT_SUPPORTED,
"Not implemented"));
}
sbus_request_invoke_or_finish(req, handler_fn,
intf->instance_data,
property->invoker_get);
return EOK;
}
int sbus_properties_dispatch(struct sbus_request *dbus_req)
{
const char *member;
member = dbus_message_get_member(dbus_req->message);
/* Set is handled a lot like a method invocation */
if (strcmp(member, "Set") == 0) {
return dispatch_properties_set(dbus_req->conn,
dbus_req->intf,
dbus_req->message);
} else if (strcmp (member, "Get") == 0) {
return dispatch_properties_get(dbus_req->conn,
dbus_req->intf,
dbus_req->message);
}
return ERR_SBUS_NOSUP;
}
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