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/*
Unix SMB/CIFS implementation.
DCERPC interface structures
Copyright (C) Tim Potter 2003
Copyright (C) Andrew Tridgell 2003
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
see http://www.opengroup.org/onlinepubs/9629399/chap12.htm for details
of these structures
note that the structure definitions here don't include some of the
fields that are wire-artifacts. Those are put on the wire by the
marshalling/unmarshalling routines in decrpc.c
*/
struct dcerpc_pipe {
TALLOC_CTX *mem_ctx;
uint16 fnum;
int reference_count;
uint32 call_id;
uint32 srv_max_xmit_frag;
uint32 srv_max_recv_frag;
struct cli_tree *tree;
unsigned flags;
};
/* dcerpc packet types */
#define DCERPC_PKT_REQUEST 0
#define DCERPC_PKT_RESPONSE 2
#define DCERPC_PKT_BIND 11
#define DCERPC_PKT_BIND_ACK 12
#define DCERPC_PKT_BIND_NAK 13
/* hdr.pfc_flags */
#define DCERPC_PFC_FLAG_FIRST 0x01
#define DCERPC_PFC_FLAG_LAST 0x02
#define DCERPC_PFC_FLAG_NOCALL 0x20
/* dcerpc pipe flags */
#define DCERPC_DEBUG_PRINT_IN 1
#define DCERPC_DEBUG_PRINT_OUT 2
#define DCERPC_DEBUG_PRINT_BOTH (DCERPC_DEBUG_PRINT_IN | DCERPC_DEBUG_PRINT_OUT)
/*
all dcerpc packets use this structure.
*/
struct dcerpc_packet {
/* all requests and responses contain a dcerpc header */
struct dcerpc_hdr {
uint8 rpc_vers; /* RPC version */
uint8 rpc_vers_minor; /* Minor version */
uint8 ptype; /* Packet type */
uint8 pfc_flags; /* Fragmentation flags */
uint8 drep[4]; /* NDR data representation */
uint16 frag_length; /* Total length of fragment */
uint16 auth_length; /* authenticator length */
uint32 call_id; /* Call identifier */
} hdr;
union {
struct dcerpc_bind {
uint16 max_xmit_frag;
uint16 max_recv_frag;
uint32 assoc_group_id;
uint8 num_contexts;
struct {
uint16 context_id;
uint8 num_transfer_syntaxes;
struct dcerpc_syntax_id {
const char *uuid_str;
uint32 if_version;
} abstract_syntax;
const struct dcerpc_syntax_id *transfer_syntaxes;
} *ctx_list;
DATA_BLOB auth_verifier;
} bind;
struct dcerpc_request {
uint32 alloc_hint;
uint16 context_id;
uint16 opnum;
DATA_BLOB stub_data;
DATA_BLOB auth_verifier;
} request;
} in;
union {
struct dcerpc_bind_ack {
uint16 max_xmit_frag;
uint16 max_recv_frag;
uint32 assoc_group_id;
const char *secondary_address;
uint8 num_results;
struct {
uint32 result;
struct dcerpc_syntax_id syntax;
} *ctx_list;
DATA_BLOB auth_verifier;
} bind_ack;
struct dcerpc_bind_nak {
uint16 reject_reason;
uint32 num_versions;
uint32 *versions;
} bind_nak;
struct dcerpc_response {
uint32 alloc_hint;
uint16 context_id;
uint8 cancel_count;
DATA_BLOB stub_data;
DATA_BLOB auth_verifier;
} response;
} out;
};
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