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 _prs_struct {
  32         bool io; /* parsing in or out of data stream */
  33         /*
  34          * If the (incoming) data is big-endian. On output we are
  35          * always little-endian.
  36          */
  37         bool bigendian_data;
  38         uint8 align; /* data alignment */
  39         bool is_dynamic; /* Do we own this memory or not ? */
  40         uint32 data_offset; /* Current working offset into data. */
  41         uint32 buffer_size; /* Current allocated size of the buffer. */
  42         uint32 grow_size; /* size requested via prs_grow() calls */
  43         char *data_p; /* The buffer itself. */
  44         TALLOC_CTX *mem_ctx; /* When unmarshalling, use this.... */
  45         const char *sess_key; /* If we have to do encrypt/decrypt on the fly. */
  46 } prs_struct;
  47
  48 /*
  49  * Defines for io member of prs_struct.
  50  */
  51
  52 #define MARSHALL 0
  53 #define UNMARSHALL 1
  54
  55 #define MARSHALLING(ps) (!(ps)->io)
  56 #define UNMARSHALLING(ps) ((ps)->io)
  57
  58 #define RPC_BIG_ENDIAN          1
  59 #define RPC_LITTLE_ENDIAN       0
  60
  61 #define RPC_PARSE_ALIGN 4
  62
  63 typedef struct _output_data {
  64         /*
  65          * Raw RPC output data. This does not include RPC headers or footers.
  66          */
  67         prs_struct rdata;
  68
  69         /* The amount of data sent from the current rdata struct. */
  70         uint32 data_sent_length;
  71
  72         /*
  73          * The current fragment being returned. This inclues
  74          * headers, data and authentication footer.
  75          */
  76         prs_struct frag;
  77
  78         /* The amount of data sent from the current PDU. */
  79         uint32 current_pdu_sent;
  80 } output_data;
  81
  82 typedef struct _input_data {
  83         /*
  84          * This is the current incoming pdu. The data here
  85          * is collected via multiple writes until a complete
  86          * pdu is seen, then the data is copied into the in_data
  87          * structure. The maximum size of this is 0x1630 (RPC_MAX_PDU_FRAG_LEN).
  88          */
  89         uint8_t *current_in_pdu;
  90
  91         /*
  92          * The amount of data needed to complete the in_pdu.
  93          * If this is zero, then we are at the start of a new
  94          * pdu.
  95          */
  96         uint32 pdu_needed_len;
  97
  98         /*
  99          * The amount of data received so far in the in_pdu.
 100          * If this is zero, then we are at the start of a new
 101          * pdu.
 102          */
 103         uint32 pdu_received_len;
 104
 105         /*
 106          * This is the collection of input data with all
 107          * the rpc headers and auth footers removed.
 108          * The maximum length of this (1Mb) is strictly enforced.
 109          */
 110         prs_struct data;
 111 } input_data;
 112
 113 struct handle_list;
 114
 115 /* Domain controller authentication protocol info */
 116 struct dcinfo {
 117         uint32 sequence; /* "timestamp" from client. */
 118         struct netr_Credential seed_chal;
 119         struct netr_Credential clnt_chal; /* Client credential */
 120         struct netr_Credential srv_chal;  /* Server credential */
 121
 122         unsigned char  sess_key[16]; /* Session key */
 123         unsigned char  mach_pw[16];   /* md4(machine password) */
 124
 125         fstring mach_acct;  /* Machine name we've authenticated. */
 126
 127         fstring remote_machine;  /* Machine name we've authenticated. */
 128         fstring domain;
 129
 130         bool challenge_sent;
 131         bool authenticated;
 132 };
 133
 134 typedef struct pipe_rpc_fns {
 135
 136         struct pipe_rpc_fns *next, *prev;
 137
 138         /* RPC function table associated with the current rpc_bind (associated by context) */
 139
 140         const struct api_struct *cmds;
 141         int n_cmds;
 142         uint32 context_id;
 143
 144 } PIPE_RPC_FNS;
 145
 146 /*
 147  * Different auth types we support.
 148  * Can't keep in sync with wire values as spnego wraps different auth methods.
 149  */
 150
 151 enum pipe_auth_type { PIPE_AUTH_TYPE_NONE = 0, PIPE_AUTH_TYPE_NTLMSSP, PIPE_AUTH_TYPE_SCHANNEL,
 152                         PIPE_AUTH_TYPE_SPNEGO_NTLMSSP, PIPE_AUTH_TYPE_KRB5, PIPE_AUTH_TYPE_SPNEGO_KRB5 };
 153
 154 /* Possible auth levels - keep these in sync with the wire values. */
 155 enum pipe_auth_level { PIPE_AUTH_LEVEL_NONE = 0,
 156                         PIPE_AUTH_LEVEL_CONNECT = 1,    /* We treat as NONE. */
 157                         PIPE_AUTH_LEVEL_INTEGRITY = 5,  /* Sign. */
 158                         PIPE_AUTH_LEVEL_PRIVACY = 6     /* Seal. */
 159 };
 160
 161 /* auth state for krb5. */
 162 struct kerberos_auth_struct {
 163         const char *service_principal;
 164         DATA_BLOB session_key;
 165 };
 166
 167 /* auth state for schannel. */
 168 struct schannel_auth_struct {
 169         unsigned char sess_key[16];
 170         uint32 seq_num;
 171 };
 172
 173 /* auth state for all bind types. */
 174
 175 struct pipe_auth_data {
 176         enum pipe_auth_type auth_type; /* switch for union below. */
 177         enum pipe_auth_level auth_level;
 178         union {
 179                 struct schannel_auth_struct *schannel_auth;
 180                 AUTH_NTLMSSP_STATE *auth_ntlmssp_state;
 181 /*              struct kerberos_auth_struct *kerberos_auth; TO BE ADDED... */
 182         } a_u;
 183         void (*auth_data_free_func)(struct pipe_auth_data *);
 184 };
 185
 186 /*
 187  * DCE/RPC-specific samba-internal-specific handling of data on
 188  * NamedPipes.
 189  */
 190
 191 typedef struct pipes_struct {
 192         struct pipes_struct *next, *prev;
 193
 194         char client_address[INET6_ADDRSTRLEN];
 195
 196         struct auth_serversupplied_info *server_info;
 197
 198         struct ndr_syntax_id syntax;
 199
 200         /* linked list of rpc dispatch tables associated
 201            with the open rpc contexts */
 202
 203         PIPE_RPC_FNS *contexts;
 204
 205         RPC_HDR hdr; /* Incoming RPC header. */
 206         RPC_HDR_REQ hdr_req; /* Incoming request header. */
 207
 208         struct pipe_auth_data auth;
 209
 210         struct dcinfo *dc; /* Keeps the creds data from netlogon. */
 211
 212         /*
 213          * Set to true when an RPC bind has been done on this pipe.
 214          */
 215
 216         bool pipe_bound;
 217
 218         /*
 219          * Set to true when we should return fault PDU's for everything.
 220          */
 221
 222         bool fault_state;
 223
 224         /*
 225          * Set to true when we should return fault PDU's for a bad handle.
 226          */
 227
 228         bool bad_handle_fault_state;
 229
 230         /*
 231          * Set to true when the backend does not support a call.
 232          */
 233
 234         bool rng_fault_state;
 235
 236         /*
 237          * Set to RPC_BIG_ENDIAN when dealing with big-endian PDU's
 238          */
 239
 240         bool endian;
 241
 242         /*
 243          * Struct to deal with multiple pdu inputs.
 244          */
 245
 246         input_data in_data;
 247
 248         /*
 249          * Struct to deal with multiple pdu outputs.
 250          */
 251
 252         output_data out_data;
 253
 254         /* This context is used for PDU data and is freed between each pdu.
 255                 Don't use for pipe state storage. */
 256         TALLOC_CTX *mem_ctx;
 257
 258         /* handle database to use on this pipe. */
 259         struct handle_list *pipe_handles;
 260
 261 } pipes_struct;
 262
 263 struct api_struct {
 264         const char *name;
 265         uint8 opnum;
 266         bool (*fn) (pipes_struct *);
 267 };
 268
 269 /*
 270  * higher order functions for use with msrpc client code
 271  */
 272
 273 #define PRINT_INFO_FN(fn)\
 274         void (*fn)(const char*, uint32, uint32, void  *const *const)
 275 #define JOB_INFO_FN(fn)\
 276         void (*fn)(const char*, const char*, uint32, uint32, void *const *const)
 277
 278 /* end higher order functions */
 279
 280 #endif /* _NT_DOMAIN_H */