winsrepl.idl

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#include "idl_types.h"

/*
   IDL structures for WINS replication protocol (port 42)

   Note that WINS replication is not traditionally encoded using
   IDL/NDR

   Written by Andrew Tridgell <[e-mail]>
*/

import "nbt.idl";

interface wrepl
{
	const int WINS_REPLICATION_PORT = 42;

	typedef [flag(NDR_BIG_ENDIAN)] struct {
		ipv4address owner;
		ipv4address ip;
	} wrepl_ip;

	typedef [flag(NDR_LITTLE_ENDIAN)] struct {
		uint32      num_ips;
		wrepl_ip    ips[num_ips];
	} wrepl_address_list;

	typedef [nodiscriminant] union {
		[case(0)] ipv4address ip;
		[case(2)] wrepl_address_list addresses;
	} wrepl_addresses;

	typedef [enum8bit] enum {
		WREPL_TYPE_UNIQUE	= 0x0,
		WREPL_TYPE_GROUP	= 0x1,
		WREPL_TYPE_SGROUP	= 0x2,
		WREPL_TYPE_MHOMED	= 0x3
	} wrepl_name_type;

	typedef [enum8bit] enum {
		WREPL_STATE_ACTIVE	= 0x0,
		WREPL_STATE_RELEASED	= 0x1,
		WREPL_STATE_TOMBSTONE	= 0x2,
		WREPL_STATE_RESERVED	= 0x3
	} wrepl_name_state;

	typedef [enum8bit] enum {
		WREPL_NODE_B	= 0x0,
		WREPL_NODE_P	= 0x1,
		WREPL_NODE_M	= 0x2,
		WREPL_NODE_H	= 0x3
	} wrepl_name_node;

	typedef [bitmap32bit] bitmap {
		WREPL_FLAGS_RECORD_TYPE		= 0x00000003,
		WREPL_FLAGS_RECORD_STATE	= 0x0000000C,
		WREPL_FLAGS_REGISTERED_LOCAL	= 0x00000010,
		WREPL_FLAGS_NODE_TYPE		= 0x00000060,
		WREPL_FLAGS_IS_STATIC		= 0x00000080
	} wrepl_flags;

	typedef [v1_enum] enum {
		WREPL_GROUP_FLAG_NO_GROUP	= 0x00000000,
		WREPL_GROUP_FLAG_IS_GROUP	= 0x00000001
	} wrepl_group_flag;

#define WREPL_IS_GROUP(flags) (\
	((((flags) & WREPL_FLAGS_RECORD_TYPE) == WREPL_TYPE_GROUP)|| \
	(((flags) & WREPL_FLAGS_RECORD_TYPE) == WREPL_TYPE_SGROUP))\
	? WREPL_GROUP_FLAG_IS_GROUP : WREPL_GROUP_FLAG_NO_GROUP)

	typedef struct {
		wrepl_nbt_name name;
		wrepl_flags flags;
		[flag(NDR_LITTLE_ENDIAN),value(WREPL_IS_GROUP(flags))] wrepl_group_flag is_group;
		udlongr   id;
		[switch_is(flags & 2)] wrepl_addresses addresses;
		ipv4address unknown;
	} wrepl_wins_name;

	typedef struct {
		uint32          num_names;
		wrepl_wins_name names[num_names];
	} wrepl_send_reply;

	typedef struct {
		ipv4address address;
		udlongr     max_version;
		udlongr     min_version;
		uint32      type;
	} wrepl_wins_owner;

	typedef struct {
		uint32           partner_count;
		wrepl_wins_owner partners[partner_count];
		ipv4address      initiator;
	} wrepl_table;

	typedef [v1_enum] enum {
		WREPL_REPL_TABLE_QUERY  = 0,
		WREPL_REPL_TABLE_REPLY  = 1,
		WREPL_REPL_SEND_REQUEST = 2,
		WREPL_REPL_SEND_REPLY   = 3,
		WREPL_REPL_UPDATE       = 4,
		WREPL_REPL_UPDATE2      = 5,
		WREPL_REPL_INFORM       = 8,
		WREPL_REPL_INFORM2      = 9
	} wrepl_replication_cmd;

	typedef [nodiscriminant] union {
		[case(WREPL_REPL_TABLE_QUERY)] ;
		[case(WREPL_REPL_TABLE_REPLY)]  wrepl_table      table;
		[case(WREPL_REPL_SEND_REQUEST)] wrepl_wins_owner owner;
		[case(WREPL_REPL_SEND_REPLY)]   wrepl_send_reply reply;
		[case(WREPL_REPL_UPDATE)]       wrepl_table      table;
		[case(WREPL_REPL_UPDATE2)]      wrepl_table      table;
		[case(WREPL_REPL_INFORM)]       wrepl_table      table;
		[case(WREPL_REPL_INFORM2)]      wrepl_table      table;
	} wrepl_replication_info;

	typedef struct {
		wrepl_replication_cmd command;
		[switch_is(command)] wrepl_replication_info info;
	} wrepl_replication;

	typedef struct {
		uint32 assoc_ctx;
		uint16 minor_version;
		uint16 major_version;
	} wrepl_start;

	typedef struct {
		uint32 reason;
	} wrepl_stop;

	typedef [v1_enum] enum {
		WREPL_START_ASSOCIATION       = 0,
		WREPL_START_ASSOCIATION_REPLY = 1,
		WREPL_STOP_ASSOCIATION        = 2,
		WREPL_REPLICATION             = 3
	} wrepl_mess_type;

	typedef [nodiscriminant] union {
		[case(WREPL_START_ASSOCIATION)]       wrepl_start start;
		[case(WREPL_START_ASSOCIATION_REPLY)] wrepl_start start_reply;
		[case(WREPL_STOP_ASSOCIATION)]        wrepl_stop stop;
		[case(WREPL_REPLICATION)]             wrepl_replication replication;
	} wrepl_message;

	/*
	  the opcode appears to be a bitfield, but as far as I can tell
	  you must always set the following bits. Additional bits don't
	  seem to matter. Very strange.
	*/
	const int WREPL_OPCODE_BITS = 0x7800;


	typedef [gensize,flag(NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
		uint32                 opcode;
		uint32                 assoc_ctx;
		wrepl_mess_type        mess_type;
		[switch_is(mess_type)] wrepl_message message;
		[flag(NDR_REMAINING)] DATA_BLOB padding;
	} wrepl_packet;

	typedef [flag(NDR_BIG_ENDIAN|NDR_PAHEX),public] struct {
		[value(ndr_size_wrepl_packet(&packet, ndr->flags))] uint32 size;
		wrepl_packet    packet;
	} wrepl_wrap;

	void decode_winsrepl(
		[in] wrepl_wrap p
		);

}