source3/include/ntdomain.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB parameters and setup
   4    Copyright (C) Andrew Tridgell 1992-1997
   5    Copyright (C) Luke Kenneth Casson Leighton 1996-1997
   6    Copyright (C) Paul Ashton 1997
   7    Copyright (C) Jeremy Allison 2000-2004
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  21 */
  22
  23 #ifndef _NT_DOMAIN_H /* _NT_DOMAIN_H */
  24 #define _NT_DOMAIN_H
  25
  26 #include "librpc/rpc/dcerpc.h"
  27
  28 /*
  29  * A bunch of stuff that was put into smb.h
  30  * in the NTDOM branch - it didn't belong there.
  31  */
  32
  33 typedef struct _output_data {
  34         /*
  35          * Raw RPC output data. This does not include RPC headers or footers.
  36          */
  37         DATA_BLOB rdata;
  38
  39         /* The amount of data sent from the current rdata struct. */
  40         uint32 data_sent_length;
  41
  42         /*
  43          * The current fragment being returned. This inclues
  44          * headers, data and authentication footer.
  45          */
  46         DATA_BLOB frag;
  47
  48         /* The amount of data sent from the current PDU. */
  49         uint32 current_pdu_sent;
  50 } output_data;
  51
  52 typedef struct _input_data {
  53         /*
  54          * This is the current incoming pdu. The data here
  55          * is collected via multiple writes until a complete
  56          * pdu is seen, then the data is copied into the in_data
  57          * structure. The maximum size of this is 0x1630 (RPC_MAX_PDU_FRAG_LEN).
  58          * If length is zero, then we are at the start of a new
  59          * pdu.
  60          */
  61         DATA_BLOB pdu;
  62
  63         /*
  64          * The amount of data needed to complete the in_pdu.
  65          * If this is zero, then we are at the start of a new
  66          * pdu.
  67          */
  68         uint32 pdu_needed_len;
  69
  70         /*
  71          * This is the collection of input data with all
  72          * the rpc headers and auth footers removed.
  73          * The maximum length of this (1Mb) is strictly enforced.
  74          */
  75         DATA_BLOB data;
  76
  77 } input_data;
  78
  79 struct handle_list;
  80
  81 typedef struct pipe_rpc_fns {
  82
  83         struct pipe_rpc_fns *next, *prev;
  84
  85         /* RPC function table associated with the current rpc_bind (associated by context) */
  86
  87         const struct api_struct *cmds;
  88         int n_cmds;
  89         uint32 context_id;
  90
  91 } PIPE_RPC_FNS;
  92
  93 /*
  94  * Different auth types we support.
  95  * Can't keep in sync with wire values as spnego wraps different auth methods.
  96  */
  97
  98 struct gse_context;
  99
 100 struct dcesrv_ep_entry_list;
 101
 102 /*
 103  * DCE/RPC-specific samba-internal-specific handling of data on
 104  * NamedPipes.
 105  */
 106
 107 struct pipes_struct {
 108         struct pipes_struct *next, *prev;
 109
 110         struct client_address *client_id;
 111         struct client_address *server_id;
 112
 113         enum dcerpc_transport_t transport;
 114
 115         struct auth_serversupplied_info *session_info;
 116         struct messaging_context *msg_ctx;
 117
 118         struct ndr_syntax_id syntax;
 119         struct dcesrv_ep_entry_list *ep_entries;
 120
 121         /* linked list of rpc dispatch tables associated
 122            with the open rpc contexts */
 123
 124         PIPE_RPC_FNS *contexts;
 125
 126         struct pipe_auth_data auth;
 127
 128         bool ncalrpc_as_system;
 129
 130         /*
 131          * Set to true when an RPC bind has been done on this pipe.
 132          */
 133
 134         bool pipe_bound;
 135
 136         /*
 137          * Set to true when we should return fault PDU's for everything.
 138          */
 139
 140         bool fault_state;
 141
 142         /*
 143          * Set to true when we should return fault PDU's for a bad handle.
 144          */
 145
 146         bool bad_handle_fault_state;
 147
 148         /*
 149          * Set to true when the backend does not support a call.
 150          */
 151
 152         bool rng_fault_state;
 153
 154         /*
 155          * Set to RPC_BIG_ENDIAN when dealing with big-endian PDU's
 156          */
 157
 158         bool endian;
 159
 160         /*
 161          * Struct to deal with multiple pdu inputs.
 162          */
 163
 164         input_data in_data;
 165
 166         /*
 167          * Struct to deal with multiple pdu outputs.
 168          */
 169
 170         output_data out_data;
 171
 172         /* This context is used for PDU data and is freed between each pdu.
 173                 Don't use for pipe state storage. */
 174         TALLOC_CTX *mem_ctx;
 175
 176         /* handle database to use on this pipe. */
 177         struct handle_list *pipe_handles;
 178
 179         /* call id retrieved from the pdu header */
 180         uint32_t call_id;
 181
 182         /* operation number retrieved from the rpc header */
 183         uint16_t opnum;
 184
 185         /* private data for the interface implementation */
 186         void *private_data;
 187
 188 };
 189
 190 struct api_struct {
 191         const char *name;
 192         uint8 opnum;
 193         bool (*fn) (struct pipes_struct *);
 194 };
 195
 196 /* The following definitions come from rpc_server/rpc_handles.c  */
 197
 198 size_t num_pipe_handles(struct pipes_struct *p);
 199 bool init_pipe_handles(struct pipes_struct *p, const struct ndr_syntax_id *syntax);
 200 bool create_policy_hnd(struct pipes_struct *p, struct policy_handle *hnd, void *data_ptr);
 201 bool find_policy_by_hnd(struct pipes_struct *p, const struct policy_handle *hnd,
 202                         void **data_p);
 203 bool close_policy_hnd(struct pipes_struct *p, struct policy_handle *hnd);
 204 void close_policy_by_pipe(struct pipes_struct *p);
 205 bool pipe_access_check(struct pipes_struct *p);
 206
 207 void *_policy_handle_create(struct pipes_struct *p, struct policy_handle *hnd,
 208                             uint32_t access_granted, size_t data_size,
 209                             const char *type, NTSTATUS *pstatus);
 210 #define policy_handle_create(_p, _hnd, _access, _type, _pstatus) \
 211         (_type *)_policy_handle_create((_p), (_hnd), (_access), sizeof(_type), #_type, \
 212                                        (_pstatus))
 213
 214 void *_policy_handle_find(struct pipes_struct *p,
 215                           const struct policy_handle *hnd,
 216                           uint32_t access_required, uint32_t *paccess_granted,
 217                           const char *name, const char *location,
 218                           NTSTATUS *pstatus);
 219 #define policy_handle_find(_p, _hnd, _access_required, _access_granted, _type, _pstatus) \
 220         (_type *)_policy_handle_find((_p), (_hnd), (_access_required), \
 221                                      (_access_granted), #_type, __location__, (_pstatus))
 222
 223
 224 #endif /* _NT_DOMAIN_H */