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/*
Unix SMB/CIFS implementation.
[MS-RPCH] - RPC over HTTP
Copyright (C) 2013 Samuel Cabrero <samuelcabrero@kernevil.me>
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/>.
*/
#ifndef DCERPC_ROH_H_
#define DCERPC_ROH_H_
#include "librpc/gen_ndr/misc.h"
struct tevent_queue;
struct tstream_context;
struct tstream_tls_params;
struct roh_channel {
/*
* The ConnectionTimeout command specifies the desired frequency for
* sending keep-alive PDUs (2.2.3.5.3)
*/
unsigned int connection_timeout;
unsigned int sent_bytes;
struct GUID channel_cookie;
struct http_conn *http_conn;
};
enum roh_protocol_version {
ROH_V1,
ROH_V2,
};
enum roh_connection_state {
ROH_STATE_OPEN_START,
ROH_STATE_OUT_CHANNEL_WAIT,
ROH_STATE_WAIT_A3W,
ROH_STATE_WAIT_C2,
ROH_STATE_OPENED,
};
/*
* protocol_version: A client node should be capable of using v1 and v2,
* try to use v2 in first place. If it fails, fallback
* to v1
* connection_state: Tracks the protocol current state
* connection_cookie: Identifies the virtual connection among a client, one
* or more inbound proxies, one or more outbound proxies,
* and a server
* association_group_id_cookie: Used by higher layer protocols to link
* multiple virtual connections (2.2.3.1)
* default_channel_in:
* default_channel_out:
* non_default_channel_in:
* non_default_channel_out:
*/
struct roh_connection {
enum roh_protocol_version protocol_version;
enum roh_connection_state connection_state;
struct GUID connection_cookie;
struct GUID association_group_id_cookie;
struct roh_channel *default_channel_in;
struct roh_channel *non_default_channel_in;
struct roh_channel *default_channel_out;
struct roh_channel *non_default_channel_out;
/* Client role specific fields (3.2.2.1) */
bool proxy_use;
uint32_t current_keep_alive_time;
uint32_t current_keep_alive_interval;
/* TODO Add timers 3.2.2.2 */
};
/* Command type constants */
#define ROH_CMD_TYPE_RECV_WINDOWS_SIZE 0x00000000 /* Section 2.2.3.5.1 */
#define ROH_CMD_TYPE_FLOW_CONTROL_ACK 0x00000001 /* Section 2.2.3.5.2 */
#define ROH_CMD_TYPE_CONNECTION_TIMEOUT 0x00000002 /* Section 2.2.3.5.3 */
#define ROH_CMD_TYPE_COOKIE 0x00000003 /* Section 2.2.3.5.4 */
#define ROH_CMD_TYPE_CHANNEL_LIFETIME 0x00000004 /* Section 2.2.3.5.5 */
#define ROH_CMD_TYPE_CLIENT_KEEPALIVE 0x00000005 /* Section 2.2.3.5.6 */
#define ROH_CMD_TYPE_VERSION 0x00000006 /* Section 2.2.3.5.7 */
#define ROH_CMD_TYPE_EMPTY 0x00000007 /* Section 2.2.3.5.8 */
#define ROH_CMD_TYPE_PADDING 0x00000008 /* Section 2.2.3.5.9 */
#define ROH_CMD_TYPE_NEGATIVE_ANCE 0x00000009 /* Section 2.2.3.5.10 */
#define ROH_CMD_TYPE_ANCE 0x0000000A /* Section 2.2.3.5.11 */
#define ROH_CMD_TYPE_CLIENT_ADDRESS 0x0000000B /* Section 2.2.3.5.12 */
#define ROH_CMD_TYPE_ASSOCIATION_GRP_ID 0x0000000C /* Section 2.2.3.5.13 */
#define ROH_CMD_TYPE_DESTINATION 0x0000000D /* Section 2.2.3.5.14 */
#define ROH_CMD_TYPE_PING 0x0000000E /* Section 2.2.3.5.15 */
#endif /* DCERPC_ROH_H_ */
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