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https://github.com/samba-team/samba.git
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380 lines
9.2 KiB
C
380 lines
9.2 KiB
C
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/*
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Unix SMB/CIFS implementation.
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SMB parameters and setup
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Copyright (C) Andrew Tridgell 1992-1997
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Copyright (C) Luke Kenneth Casson Leighton 1996-1997
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Copyright (C) Paul Ashton 1997
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef _NT_DOMAIN_H /* _NT_DOMAIN_H */
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#define _NT_DOMAIN_H
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/* dce/rpc support */
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#include "rpc_dce.h"
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/* miscellaneous structures / defines */
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#include "rpc_misc.h"
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#include "rpc_creds.h"
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#include "talloc.h"
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/*
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* A bunch of stuff that was put into smb.h
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* in the NTDOM branch - it didn't belong there.
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*/
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typedef struct _prs_struct
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{
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BOOL io; /* parsing in or out of data stream */
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/*
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* If the (incoming) data is big-endian. On output we are
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* always little-endian.
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*/
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BOOL bigendian_data;
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uint8 align; /* data alignment */
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BOOL is_dynamic; /* Do we own this memory or not ? */
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uint32 data_offset; /* Current working offset into data. */
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uint32 buffer_size; /* Current allocated size of the buffer. */
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uint32 grow_size; /* size requested via prs_grow() calls */
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char *data_p; /* The buffer itself. */
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TALLOC_CTX *mem_ctx; /* When unmarshalling, use this.... */
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} prs_struct;
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/*
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* Defines for io member of prs_struct.
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*/
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#define MARSHALL 0
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#define UNMARSHALL 1
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#define MARSHALLING(ps) (!(ps)->io)
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#define UNMARSHALLING(ps) ((ps)->io)
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#define RPC_BIG_ENDIAN 1
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#define RPC_LITTLE_ENDIAN 0
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#define RPC_PARSE_ALIGN 4
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typedef struct _output_data {
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/*
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* Raw RPC output data. This does not include RPC headers or footers.
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*/
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prs_struct rdata;
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/* The amount of data sent from the current rdata struct. */
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uint32 data_sent_length;
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/*
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* The current PDU being returned. This inclues
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* headers, data and authentication footer.
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*/
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unsigned char current_pdu[MAX_PDU_FRAG_LEN];
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/* The amount of data in the current_pdu buffer. */
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uint32 current_pdu_len;
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/* The amount of data sent from the current PDU. */
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uint32 current_pdu_sent;
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} output_data;
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typedef struct _input_data {
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/*
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* This is the current incoming pdu. The data here
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* is collected via multiple writes until a complete
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* pdu is seen, then the data is copied into the in_data
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* structure. The maximum size of this is 0x1630 (MAX_PDU_FRAG_LEN).
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*/
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unsigned char current_in_pdu[MAX_PDU_FRAG_LEN];
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/*
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* The amount of data needed to complete the in_pdu.
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* If this is zero, then we are at the start of a new
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* pdu.
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*/
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uint32 pdu_needed_len;
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/*
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* The amount of data received so far in the in_pdu.
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* If this is zero, then we are at the start of a new
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* pdu.
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*/
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uint32 pdu_received_len;
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/*
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* This is the collection of input data with all
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* the rpc headers and auth footers removed.
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* The maximum length of this (1Mb) is strictly enforced.
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*/
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prs_struct data;
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} input_data;
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/*
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* Handle database - stored per pipe.
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*/
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struct policy
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{
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struct policy *next, *prev;
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POLICY_HND pol_hnd;
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void *data_ptr;
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void (*free_fn)(void *);
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};
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struct handle_list {
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struct policy *Policy; /* List of policies. */
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size_t count; /* Current number of handles. */
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size_t pipe_ref_count; /* Number of pipe handles referring to this list. */
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};
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/* Domain controller authentication protocol info */
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struct dcinfo
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{
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DOM_CHAL clnt_chal; /* Initial challenge received from client */
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DOM_CHAL srv_chal; /* Initial server challenge */
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DOM_CRED clnt_cred; /* Last client credential */
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DOM_CRED srv_cred; /* Last server credential */
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uchar sess_key[8]; /* Session key */
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uchar md4pw[16]; /* md4(machine password) */
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fstring mach_acct; /* Machine name we've authenticated. */
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fstring remote_machine; /* Machine name we've authenticated. */
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BOOL challenge_sent;
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BOOL got_session_key;
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BOOL authenticated;
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};
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/*
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* DCE/RPC-specific samba-internal-specific handling of data on
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* NamedPipes.
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*
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*/
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typedef struct pipes_struct
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{
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struct pipes_struct *next, *prev;
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struct tcon_context *conn;
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uint16 vuid; /* points to the unauthenticated user that opened this pipe. */
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fstring name;
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fstring pipe_srv_name;
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RPC_HDR hdr; /* Incoming RPC header. */
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RPC_HDR_REQ hdr_req; /* Incoming request header. */
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uint32 ntlmssp_chal_flags; /* Client challenge flags. */
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BOOL ntlmssp_auth_requested; /* If the client wanted authenticated rpc. */
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BOOL ntlmssp_auth_validated; /* If the client *got* authenticated rpc. */
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unsigned char challenge[8];
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unsigned char ntlmssp_hash[258];
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uint32 ntlmssp_seq_num;
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struct dcinfo dc; /* Keeps the creds data. */
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/*
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* Windows user info.
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*/
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fstring user_name;
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fstring domain;
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fstring wks;
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/*
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* Unix user name and credentials.
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*/
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fstring pipe_user_name;
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struct current_user pipe_user;
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uint8 session_key[16];
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/*
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* Set to true when an RPC bind has been done on this pipe.
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*/
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BOOL pipe_bound;
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/*
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* Set to true when we should return fault PDU's for everything.
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*/
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BOOL fault_state;
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/*
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* Set to true when we should return fault PDU's for a bad handle.
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*/
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BOOL bad_handle_fault_state;
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/*
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* Set to RPC_BIG_ENDIAN when dealing with big-endian PDU's
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*/
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BOOL endian;
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/*
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* Struct to deal with multiple pdu inputs.
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*/
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input_data in_data;
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/*
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* Struct to deal with multiple pdu outputs.
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*/
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output_data out_data;
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/* talloc context to use when allocating memory on this pipe. */
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TALLOC_CTX *mem_ctx;
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/* handle database to use on this pipe. */
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struct handle_list *pipe_handles;
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} pipes_struct;
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typedef struct smb_np_struct
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{
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struct smb_np_struct *next, *prev;
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int pnum;
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struct tcon_context *conn;
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uint16 vuid; /* points to the unauthenticated user that opened this pipe. */
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BOOL open; /* open connection */
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uint16 device_state;
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uint16 priority;
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fstring name;
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/* When replying to an SMBtrans, this is the maximum amount of
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data that can be sent in the initial reply. */
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int max_trans_reply;
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/*
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* NamedPipe state information.
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*
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* (e.g. typecast a np_struct, above).
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*/
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void *np_state;
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/*
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* NamedPipe functions, to be called to perform
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* Named Pipe transactions on request from an
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* SMB client.
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*/
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/* call to create a named pipe connection.
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* returns: state information representing the connection.
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* is stored in np_state, above.
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*/
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void * (*namedpipe_create)(char *pipe_name,
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struct tcon_context *conn, uint16 vuid);
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/* call to perform a write / read namedpipe transaction.
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* TransactNamedPipe is weird: it returns whether there
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* is more data outstanding to be read, and the
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* caller is expected to take note and follow up with
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* read requests.
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*/
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ssize_t (*namedpipe_transact)(void *np_state,
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char *data, int len,
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char *rdata, int rlen,
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BOOL *pipe_outstanding);
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/* call to perform a write namedpipe operation
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*/
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ssize_t (*namedpipe_write)(void * np_state,
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char *data, size_t n);
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/* call to perform a read namedpipe operation.
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*
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* NOTE: the only reason that the pipe_outstanding
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* argument is here is because samba does not use
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* the namedpipe_transact function yet: instead,
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* it performs the same as what namedpipe_transact
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* does - a write, followed by a read.
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*
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* when samba is modified to use namedpipe_transact,
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* the pipe_outstanding argument may be removed.
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*/
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ssize_t (*namedpipe_read)(void * np_state,
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char *data, size_t max_len,
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BOOL *pipe_outstanding);
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/* call to close a namedpipe.
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* function is expected to perform all cleanups
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* necessary, free all memory etc.
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*
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* returns True if cleanup was successful (not that
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* we particularly care).
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*/
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BOOL (*namedpipe_close)(void * np_state);
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} smb_np_struct;
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struct api_struct
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{
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const char *name;
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uint8 opnum;
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BOOL (*fn) (pipes_struct *);
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};
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typedef struct
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{
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uint32 rid;
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const char *name;
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} rid_name;
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struct acct_info
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{
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fstring acct_name; /* account name */
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fstring acct_desc; /* account name */
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uint32 rid; /* domain-relative RID */
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};
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/*
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* higher order functions for use with msrpc client code
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*/
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#define PRINT_INFO_FN(fn)\
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void (*fn)(const char*, uint32, uint32, void *const *const)
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#define JOB_INFO_FN(fn)\
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void (*fn)(const char*, const char*, uint32, uint32, void *const *const)
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/* end higher order functions */
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/* security descriptor structures */
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#include "rpc_secdes.h"
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/* different dce/rpc pipes */
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#include "rpc_lsa.h"
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#include "rpc_netlogon.h"
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#include "rpc_reg.h"
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#include "rpc_samr.h"
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#include "rpc_srvsvc.h"
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#include "rpc_wkssvc.h"
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#include "rpc_spoolss.h"
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#include "rpc_dfs.h"
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#include "rpc_ds.h"
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#endif /* _NT_DOMAIN_H */
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