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 /*
  27  * A bunch of stuff that was put into smb.h
  28  * in the NTDOM branch - it didn't belong there.
  29  */
  30
  31 typedef struct _output_data {
  32         /*
  33          * Raw RPC output data. This does not include RPC headers or footers.
  34          */
  35         DATA_BLOB rdata;
  36
  37         /* The amount of data sent from the current rdata struct. */
  38         uint32 data_sent_length;
  39
  40         /*
  41          * The current fragment being returned. This inclues
  42          * headers, data and authentication footer.
  43          */
  44         DATA_BLOB frag;
  45
  46         /* The amount of data sent from the current PDU. */
  47         uint32 current_pdu_sent;
  48 } output_data;
  49
  50 typedef struct _input_data {
  51         /*
  52          * This is the current incoming pdu. The data here
  53          * is collected via multiple writes until a complete
  54          * pdu is seen, then the data is copied into the in_data
  55          * structure. The maximum size of this is 0x1630 (RPC_MAX_PDU_FRAG_LEN).
  56          * If length is zero, then we are at the start of a new
  57          * pdu.
  58          */
  59         DATA_BLOB pdu;
  60
  61         /*
  62          * The amount of data needed to complete the in_pdu.
  63          * If this is zero, then we are at the start of a new
  64          * pdu.
  65          */
  66         uint32 pdu_needed_len;
  67
  68         /*
  69          * This is the collection of input data with all
  70          * the rpc headers and auth footers removed.
  71          * The maximum length of this (1Mb) is strictly enforced.
  72          */
  73         DATA_BLOB data;
  74
  75 } input_data;
  76
  77 struct handle_list;
  78
  79 typedef struct pipe_rpc_fns {
  80
  81         struct pipe_rpc_fns *next, *prev;
  82
  83         /* RPC function table associated with the current rpc_bind (associated by context) */
  84
  85         const struct api_struct *cmds;
  86         int n_cmds;
  87         uint32 context_id;
  88
  89 } PIPE_RPC_FNS;
  90
  91 /*
  92  * Different auth types we support.
  93  * Can't keep in sync with wire values as spnego wraps different auth methods.
  94  */
  95
  96 enum pipe_auth_type_spnego {
  97         PIPE_AUTH_TYPE_SPNEGO_NONE = 0,
  98         PIPE_AUTH_TYPE_SPNEGO_NTLMSSP,
  99         PIPE_AUTH_TYPE_SPNEGO_KRB5
 100 };
 101
 102 struct gse_context;
 103
 104 /* auth state for all bind types. */
 105
 106 struct pipe_auth_data {
 107         enum dcerpc_AuthType auth_type;
 108         enum pipe_auth_type_spnego spnego_type; /* used by server only */
 109         enum dcerpc_AuthLevel auth_level;
 110
 111         union {
 112                 struct schannel_state *schannel_auth;
 113                 struct auth_ntlmssp_state *auth_ntlmssp_state;
 114                 struct gse_context *gssapi_state;
 115                 struct spnego_context *spnego_state;
 116         } a_u;
 117
 118         /* Only the client code uses these 3 for now */
 119         char *domain;
 120         char *user_name;
 121         DATA_BLOB user_session_key;
 122
 123         void (*auth_data_free_func)(struct pipe_auth_data *);
 124 };
 125
 126 /*
 127  * DCE/RPC-specific samba-internal-specific handling of data on
 128  * NamedPipes.
 129  */
 130
 131 struct pipes_struct {
 132         struct pipes_struct *next, *prev;
 133
 134         char client_address[INET6_ADDRSTRLEN];
 135
 136         struct auth_serversupplied_info *server_info;
 137         struct messaging_context *msg_ctx;
 138
 139         struct ndr_syntax_id syntax;
 140
 141         /* linked list of rpc dispatch tables associated
 142            with the open rpc contexts */
 143
 144         PIPE_RPC_FNS *contexts;
 145
 146         struct pipe_auth_data auth;
 147
 148         /*
 149          * Set to true when an RPC bind has been done on this pipe.
 150          */
 151
 152         bool pipe_bound;
 153
 154         /*
 155          * Set to true when we should return fault PDU's for everything.
 156          */
 157
 158         bool fault_state;
 159
 160         /*
 161          * Set to true when we should return fault PDU's for a bad handle.
 162          */
 163
 164         bool bad_handle_fault_state;
 165
 166         /*
 167          * Set to true when the backend does not support a call.
 168          */
 169
 170         bool rng_fault_state;
 171
 172         /*
 173          * Set to RPC_BIG_ENDIAN when dealing with big-endian PDU's
 174          */
 175
 176         bool endian;
 177
 178         /*
 179          * Struct to deal with multiple pdu inputs.
 180          */
 181
 182         input_data in_data;
 183
 184         /*
 185          * Struct to deal with multiple pdu outputs.
 186          */
 187
 188         output_data out_data;
 189
 190         /* This context is used for PDU data and is freed between each pdu.
 191                 Don't use for pipe state storage. */
 192         TALLOC_CTX *mem_ctx;
 193
 194         /* handle database to use on this pipe. */
 195         struct handle_list *pipe_handles;
 196
 197         /* call id retrieved from the pdu header */
 198         uint32_t call_id;
 199
 200         /* operation number retrieved from the rpc header */
 201         uint16_t opnum;
 202
 203         /* private data for the interface implementation */
 204         void *private_data;
 205
 206 };
 207
 208 struct api_struct {
 209         const char *name;
 210         uint8 opnum;
 211         bool (*fn) (struct pipes_struct *);
 212 };
 213
 214 #endif /* _NT_DOMAIN_H */