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/*
Unix SMB/CIFS implementation.
SMB parameters and setup
Copyright (C) Andrew Tridgell 1992-1997
Copyright (C) Luke Kenneth Casson Leighton 1996-1997
Copyright (C) Paul Ashton 1997
Copyright (C) Jeremy Allison 2000-2004
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 _NT_DOMAIN_H /* _NT_DOMAIN_H */
#define _NT_DOMAIN_H
/*
* A bunch of stuff that was put into smb.h
* in the NTDOM branch - it didn't belong there.
*/
typedef struct _prs_struct {
bool io; /* parsing in or out of data stream */
/*
* If the (incoming) data is big-endian. On output we are
* always little-endian.
*/
bool bigendian_data;
uint8 align; /* data alignment */
bool is_dynamic; /* Do we own this memory or not ? */
uint32 data_offset; /* Current working offset into data. */
uint32 buffer_size; /* Current allocated size of the buffer. */
uint32 grow_size; /* size requested via prs_grow() calls */
char *data_p; /* The buffer itself. */
TALLOC_CTX *mem_ctx; /* When unmarshalling, use this.... */
const char *sess_key; /* If we have to do encrypt/decrypt on the fly. */
} prs_struct;
/*
* Defines for io member of prs_struct.
*/
#define MARSHALL 0
#define UNMARSHALL 1
#define MARSHALLING(ps) (!(ps)->io)
#define UNMARSHALLING(ps) ((ps)->io)
#define RPC_BIG_ENDIAN 1
#define RPC_LITTLE_ENDIAN 0
#define RPC_PARSE_ALIGN 4
typedef struct _output_data {
/*
* Raw RPC output data. This does not include RPC headers or footers.
*/
prs_struct rdata;
/* The amount of data sent from the current rdata struct. */
uint32 data_sent_length;
/*
* The current fragment being returned. This inclues
* headers, data and authentication footer.
*/
prs_struct frag;
/* The amount of data sent from the current PDU. */
uint32 current_pdu_sent;
} output_data;
typedef struct _input_data {
/*
* This is the current incoming pdu. The data here
* is collected via multiple writes until a complete
* pdu is seen, then the data is copied into the in_data
* structure. The maximum size of this is 0x1630 (RPC_MAX_PDU_FRAG_LEN).
*/
uint8_t *current_in_pdu;
/*
* The amount of data needed to complete the in_pdu.
* If this is zero, then we are at the start of a new
* pdu.
*/
uint32 pdu_needed_len;
/*
* The amount of data received so far in the in_pdu.
* If this is zero, then we are at the start of a new
* pdu.
*/
uint32 pdu_received_len;
/*
* This is the collection of input data with all
* the rpc headers and auth footers removed.
* The maximum length of this (1Mb) is strictly enforced.
*/
prs_struct data;
} input_data;
struct handle_list;
typedef struct pipe_rpc_fns {
struct pipe_rpc_fns *next, *prev;
/* RPC function table associated with the current rpc_bind (associated by context) */
const struct api_struct *cmds;
int n_cmds;
uint32 context_id;
} PIPE_RPC_FNS;
/*
* Different auth types we support.
* Can't keep in sync with wire values as spnego wraps different auth methods.
*/
enum pipe_auth_type { PIPE_AUTH_TYPE_NONE = 0, PIPE_AUTH_TYPE_NTLMSSP, PIPE_AUTH_TYPE_SCHANNEL,
PIPE_AUTH_TYPE_SPNEGO_NTLMSSP, PIPE_AUTH_TYPE_KRB5, PIPE_AUTH_TYPE_SPNEGO_KRB5 };
/* auth state for krb5. */
struct kerberos_auth_struct {
const char *service_principal;
DATA_BLOB session_key;
};
/* auth state for schannel. */
struct schannel_auth_struct {
unsigned char sess_key[16];
uint32 seq_num;
};
/* auth state for all bind types. */
struct pipe_auth_data {
enum pipe_auth_type auth_type; /* switch for union below. */
enum dcerpc_AuthLevel auth_level;
union {
struct schannel_state *schannel_auth;
AUTH_NTLMSSP_STATE *auth_ntlmssp_state;
/* struct kerberos_auth_struct *kerberos_auth; TO BE ADDED... */
} a_u;
void (*auth_data_free_func)(struct pipe_auth_data *);
};
/*
* DCE/RPC-specific samba-internal-specific handling of data on
* NamedPipes.
*/
typedef struct pipes_struct {
struct pipes_struct *next, *prev;
char client_address[INET6_ADDRSTRLEN];
struct auth_serversupplied_info *server_info;
const struct ndr_interface_table *interface;
/* linked list of rpc dispatch tables associated
with the open rpc contexts */
PIPE_RPC_FNS *contexts;
RPC_HDR hdr; /* Incoming RPC header. */
RPC_HDR_REQ hdr_req; /* Incoming request header. */
struct pipe_auth_data auth;
/*
* Set to true when an RPC bind has been done on this pipe.
*/
bool pipe_bound;
/*
* Set to true when we should return fault PDU's for everything.
*/
bool fault_state;
/*
* Set to true when we should return fault PDU's for a bad handle.
*/
bool bad_handle_fault_state;
/*
* Set to true when the backend does not support a call.
*/
bool rng_fault_state;
/*
* Set to RPC_BIG_ENDIAN when dealing with big-endian PDU's
*/
bool endian;
/*
* Struct to deal with multiple pdu inputs.
*/
input_data in_data;
/*
* Struct to deal with multiple pdu outputs.
*/
output_data out_data;
/* This context is used for PDU data and is freed between each pdu.
Don't use for pipe state storage. */
TALLOC_CTX *mem_ctx;
/* handle database to use on this pipe. */
struct handle_list *pipe_handles;
/* private data for the interface implementation */
void *private_data;
} pipes_struct;
struct api_struct {
const char *name;
uint8 opnum;
bool (*fn) (pipes_struct *);
};
#endif /* _NT_DOMAIN_H */
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