source: trunk/server/source3/include/ntdomain.h@ 1012

/* 
   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 

#include "librpc/rpc/dcerpc.h"

/*
 * A bunch of stuff that was put into smb.h
 * in the NTDOM branch - it didn't belong there.
 */

typedef struct _output_data {
        /*
         * Raw RPC output data. This does not include RPC headers or footers.
         */
        DATA_BLOB 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.
         */
        DATA_BLOB 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).
         * If length is zero, then we are at the start of a new
         * pdu.
         */
        DATA_BLOB 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;

        /*
         * 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.
         */
        DATA_BLOB 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;
        struct ndr_syntax_id syntax;

        /*
         * shall we allow "connect" auth level for this interface ?
         */
        bool allow_connect;
} PIPE_RPC_FNS;

/*
 * Different auth types we support.
 * Can't keep in sync with wire values as spnego wraps different auth methods.
 */

struct gse_context;

struct dcesrv_ep_entry_list;

/*
 * DCE/RPC-specific samba-internal-specific handling of data on
 * NamedPipes.
 */

struct pipes_struct {
        struct pipes_struct *next, *prev;

        struct client_address *client_id;
        struct client_address *server_id;

        enum dcerpc_transport_t transport;

        struct auth_serversupplied_info *session_info;
        struct messaging_context *msg_ctx;

        struct ndr_syntax_id syntax;
        struct dcesrv_ep_entry_list *ep_entries;

        /* linked list of rpc dispatch tables associated 
           with the open rpc contexts */

        PIPE_RPC_FNS *contexts;

        struct pipe_auth_data auth;

        bool ncalrpc_as_system;

        /*
         * Set to true when an RPC bind has been done on this pipe.
         */

        bool pipe_bound;

        /*
         * States we can be in.
         */
        bool allow_alter;
        bool allow_bind;
        bool allow_auth3;

        /*
         * Set the DCERPC_FAULT to return.
         */

        int 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;

        /* call id retrieved from the pdu header */
        uint32_t call_id;

        /* operation number retrieved from the rpc header */
        uint16_t opnum;

        /* private data for the interface implementation */
        void *private_data;

};

struct api_struct {  
        const char *name;
        uint8 opnum;
        bool (*fn) (struct pipes_struct *);
};

/* The following definitions come from rpc_server/rpc_handles.c  */

size_t num_pipe_handles(struct pipes_struct *p);
bool init_pipe_handles(struct pipes_struct *p, const struct ndr_syntax_id *syntax);
bool create_policy_hnd(struct pipes_struct *p, struct policy_handle *hnd, void *data_ptr);
bool find_policy_by_hnd(struct pipes_struct *p, const struct policy_handle *hnd,
                        void **data_p);
bool close_policy_hnd(struct pipes_struct *p, struct policy_handle *hnd);
void close_policy_by_pipe(struct pipes_struct *p);
bool pipe_access_check(struct pipes_struct *p);

void *_policy_handle_create(struct pipes_struct *p, struct policy_handle *hnd,
                            uint32_t access_granted, size_t data_size,
                            const char *type, NTSTATUS *pstatus);
#define policy_handle_create(_p, _hnd, _access, _type, _pstatus) \
        (_type *)_policy_handle_create((_p), (_hnd), (_access), sizeof(_type), #_type, \
                                       (_pstatus))

void *_policy_handle_find(struct pipes_struct *p,
                          const struct policy_handle *hnd,
                          uint32_t access_required, uint32_t *paccess_granted,
                          const char *name, const char *location,
                          NTSTATUS *pstatus);
#define policy_handle_find(_p, _hnd, _access_required, _access_granted, _type, _pstatus) \
        (_type *)_policy_handle_find((_p), (_hnd), (_access_required), \
                                     (_access_granted), #_type, __location__, (_pstatus))

#include "rpc_server/srv_pipe_register.h"

#endif /* _NT_DOMAIN_H */