source/include/rpc_ntlmssp.h

   1 /*
   2    Unix SMB/Netbios implementation.
   3    Version 1.9.
   4    SMB parameters and setup
   5    Copyright (C) Andrew Tridgell 1992-2000
   6    Copyright (C) Luke Kenneth Casson Leighton 1996-2000
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 */
  22
  23 #ifndef _RPC_NTLMSSP_H /* RPC_NTLMSSP_H */
  24 #define RPC_NTLMSSP_H
  25
  26 #include "rpc_misc.h" /* this only pulls in STRHDR */
  27
  28 /* NTLMSSP message types */
  29 enum NTLM_MESSAGE_TYPE
  30 {
  31         NTLMSSP_NEGOTIATE = 1,
  32         NTLMSSP_CHALLENGE = 2,
  33         NTLMSSP_AUTH      = 3,
  34         NTLMSSP_UNKNOWN   = 4
  35 };
  36
  37 /* NTLMSSP negotiation flags */
  38 #define NTLMSSP_NEGOTIATE_UNICODE          0x00000001
  39 #define NTLMSSP_NEGOTIATE_OEM              0x00000002
  40 #define NTLMSSP_REQUEST_TARGET             0x00000004
  41 #define NTLMSSP_NEGOTIATE_SIGN             0x00000010
  42 #define NTLMSSP_NEGOTIATE_SEAL             0x00000020
  43 #define NTLMSSP_NEGOTIATE_LM_KEY           0x00000080
  44 #define NTLMSSP_NEGOTIATE_00000100         0x00000100
  45 #define NTLMSSP_NEGOTIATE_NTLM             0x00000200
  46 #define NTLMSSP_NEGOTIATE_00000400         0x00000400
  47 #define NTLMSSP_NEGOTIATE_00001000         0x00001000
  48 #define NTLMSSP_NEGOTIATE_00002000         0x00002000
  49 #define NTLMSSP_NEGOTIATE_ALWAYS_SIGN      0x00008000
  50 #define NTLMSSP_NEGOTIATE_NTLM2            0x00080000
  51 #define NTLMSSP_NEGOTIATE_TARGET_INFO      0x00800000
  52 #define NTLMSSP_NEGOTIATE_128              0x20000000
  53 #define NTLMSSP_NEGOTIATE_KEY_EXCH         0x40000000
  54
  55 /* NTLMSSP signature version */
  56 #define NTLMSSP_SIGN_VERSION 0x01
  57
  58 /* this is TEMPORARILY coded up as a specific structure */
  59 /* this structure comes after the bind request */
  60 /* RPC_AUTH_NTLMSSP_NEG */
  61 typedef struct rpc_auth_ntlmssp_neg_info
  62 {
  63         uint32  neg_flgs; /* 0x0000 b2b3 */
  64
  65         STRHDR hdr_myname; /* offset is against START of this structure */
  66         STRHDR hdr_domain; /* offset is against START of this structure */
  67
  68         fstring myname; /* calling workstation's name */
  69         fstring domain; /* calling workstations's domain */
  70
  71 } RPC_AUTH_NTLMSSP_NEG;
  72
  73 /* this is TEMPORARILY coded up as a specific structure */
  74 /* this structure comes after the bind acknowledgement */
  75 /* RPC_AUTH_NTLMSSP_CHAL */
  76 typedef struct rpc_auth_ntlmssp_chal_info
  77 {
  78         uint32 unknown_1; /* 0x0000 0000 */
  79         uint32 unknown_2; /* 0x0000 0028 */
  80         uint32 neg_flags; /* 0x0000 82b1 */
  81
  82         uint8 challenge[8]; /* ntlm challenge */
  83         uint8 reserved [8]; /* zeros */
  84
  85 } RPC_AUTH_NTLMSSP_CHAL;
  86
  87
  88 /* RPC_AUTH_NTLMSSP_RESP */
  89 typedef struct rpc_auth_ntlmssp_resp_info
  90 {
  91         STRHDR hdr_lm_resp; /* LM response (NULL or 24 bytes) */
  92         STRHDR hdr_nt_resp; /* NT response (NULL, 24 or variable-length) */
  93         STRHDR hdr_domain;
  94         STRHDR hdr_usr;
  95         STRHDR hdr_wks;
  96         STRHDR hdr_sess_key; /* NULL unless negotiated */
  97         uint32 neg_flags; /* 0x0000 82b1 */
  98
  99         fstring sess_key;
 100         fstring wks;
 101         fstring user;
 102         fstring domain;
 103         fstring nt_resp;
 104         fstring lm_resp;
 105
 106 } RPC_AUTH_NTLMSSP_RESP;
 107
 108
 109 /* attached to the end of encrypted rpc requests and responses */
 110 /* RPC_AUTH_NTLMSSP_CHK */
 111 typedef struct rpc_auth_ntlmssp_chk_info
 112 {
 113         uint32 ver; /* 0x0000 0001 */
 114         uint32 reserved;
 115         uint32 crc32; /* checksum using 0xEDB8 8320 as a polynomial */
 116         uint32 seq_num;
 117
 118 } RPC_AUTH_NTLMSSP_CHK;
 119
 120 #endif /* RPC_NTLMSSP_H */
 121