dlls/msv1_0/unixlib.h

   1 /*
   2  * Copyright 2005, 2006 Kai Blin
   3  * Copyright 2021 Hans Leidekker for CodeWeavers
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include <sys/types.h>
  21
  22 enum sign_direction
  23 {
  24     SIGN_SEND,
  25     SIGN_RECV,
  26 };
  27
  28 enum mode
  29 {
  30     MODE_INVALID = -1,
  31     MODE_CLIENT,
  32     MODE_SERVER,
  33 };
  34
  35 struct ntlm_cred
  36 {
  37     enum mode mode;
  38     char     *username_arg;
  39     char     *domain_arg;
  40     char     *password;
  41     int       password_len;
  42     int       no_cached_credentials; /* don't try to use cached Samba credentials */
  43 };
  44
  45 struct arc4_info
  46 {
  47     char x;
  48     char y;
  49     char state[256];
  50 };
  51
  52 #define FLAG_NEGOTIATE_SIGN         0x00000010
  53 #define FLAG_NEGOTIATE_SEAL         0x00000020
  54 #define FLAG_NEGOTIATE_ALWAYS_SIGN  0x00008000
  55 #define FLAG_NEGOTIATE_NTLM2        0x00080000
  56 #define FLAG_NEGOTIATE_KEY_EXCHANGE 0x40000000
  57
  58 struct ntlm_ctx
  59 {
  60     enum mode    mode;
  61     int          pid;
  62     unsigned int attrs;
  63     int          pipe_in;
  64     int          pipe_out;
  65     char        *com_buf;
  66     unsigned int com_buf_size;
  67     unsigned int com_buf_offset;
  68     char         session_key[16];
  69     unsigned int flags;
  70     struct
  71     {
  72         struct
  73         {
  74             unsigned int seq_no;
  75             struct arc4_info arc4info;
  76         } ntlm;
  77         struct
  78         {
  79             char send_sign_key[16];
  80             char send_seal_key[16];
  81             char recv_sign_key[16];
  82             char recv_seal_key[16];
  83             unsigned int send_seq_no;
  84             unsigned int recv_seq_no;
  85             struct arc4_info send_arc4info;
  86             struct arc4_info recv_arc4info;
  87         } ntlm2;
  88     } crypt;
  89 };
  90
  91 struct ntlm_funcs
  92 {
  93     SECURITY_STATUS (CDECL *chat)( struct ntlm_ctx *, char *, unsigned int, unsigned int * );
  94     void (CDECL *cleanup)( struct ntlm_ctx * );
  95     SECURITY_STATUS (CDECL *fork)( char **, struct ntlm_ctx ** );
  96 };
  97
  98 extern const struct ntlm_funcs *ntlm_funcs;