source4/auth/ntlmssp/ntlmssp_sign.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Version 3.0
   4  *  NTLMSSP Signing routines
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-2001
   6  *  Copyright (C) Andrew Bartlett <abartlet@samba.org> 2003-2005
   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 3 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, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22 #include "includes.h"
  23 #include "auth/ntlmssp/ntlmssp.h"
  24 #include "auth/gensec/gensec.h"
  25 #include "../libcli/auth/ntlmssp_private.h"
  26
  27 NTSTATUS gensec_ntlmssp_sign_packet(struct gensec_security *gensec_security,
  28                                     TALLOC_CTX *sig_mem_ctx,
  29                                     const uint8_t *data, size_t length,
  30                                     const uint8_t *whole_pdu, size_t pdu_length,
  31                                     DATA_BLOB *sig)
  32 {
  33         struct gensec_ntlmssp_context *gensec_ntlmssp =
  34                 talloc_get_type_abort(gensec_security->private_data,
  35                                       struct gensec_ntlmssp_context);
  36         NTSTATUS nt_status;
  37
  38         nt_status = ntlmssp_sign_packet(gensec_ntlmssp->ntlmssp_state,
  39                                         sig_mem_ctx,
  40                                         data, length,
  41                                         whole_pdu, pdu_length,
  42                                         sig);
  43
  44         return nt_status;
  45 }
  46
  47 NTSTATUS gensec_ntlmssp_check_packet(struct gensec_security *gensec_security,
  48                                      const uint8_t *data, size_t length,
  49                                      const uint8_t *whole_pdu, size_t pdu_length,
  50                                      const DATA_BLOB *sig)
  51 {
  52         struct gensec_ntlmssp_context *gensec_ntlmssp =
  53                 talloc_get_type_abort(gensec_security->private_data,
  54                                       struct gensec_ntlmssp_context);
  55         NTSTATUS nt_status;
  56
  57         nt_status = ntlmssp_check_packet(gensec_ntlmssp->ntlmssp_state,
  58                                          data, length,
  59                                          whole_pdu, pdu_length,
  60                                          sig);
  61
  62         return nt_status;
  63 }
  64
  65 NTSTATUS gensec_ntlmssp_seal_packet(struct gensec_security *gensec_security,
  66                                     TALLOC_CTX *sig_mem_ctx,
  67                                     uint8_t *data, size_t length,
  68                                     const uint8_t *whole_pdu, size_t pdu_length,
  69                                     DATA_BLOB *sig)
  70 {
  71         struct gensec_ntlmssp_context *gensec_ntlmssp =
  72                 talloc_get_type_abort(gensec_security->private_data,
  73                                       struct gensec_ntlmssp_context);
  74         NTSTATUS nt_status;
  75
  76         nt_status = ntlmssp_seal_packet(gensec_ntlmssp->ntlmssp_state,
  77                                         sig_mem_ctx,
  78                                         data, length,
  79                                         whole_pdu, pdu_length,
  80                                         sig);
  81
  82         return nt_status;
  83 }
  84
  85 /*
  86   wrappers for the ntlmssp_*() functions
  87 */
  88 NTSTATUS gensec_ntlmssp_unseal_packet(struct gensec_security *gensec_security,
  89                                       uint8_t *data, size_t length,
  90                                       const uint8_t *whole_pdu, size_t pdu_length,
  91                                       const DATA_BLOB *sig)
  92 {
  93         struct gensec_ntlmssp_context *gensec_ntlmssp =
  94                 talloc_get_type_abort(gensec_security->private_data,
  95                                       struct gensec_ntlmssp_context);
  96         NTSTATUS nt_status;
  97
  98         nt_status = ntlmssp_unseal_packet(gensec_ntlmssp->ntlmssp_state,
  99                                           data, length,
 100                                           whole_pdu, pdu_length,
 101                                           sig);
 102
 103         return nt_status;
 104 }
 105
 106 size_t gensec_ntlmssp_sig_size(struct gensec_security *gensec_security, size_t data_size)
 107 {
 108         return NTLMSSP_SIG_SIZE;
 109 }
 110
 111 NTSTATUS gensec_ntlmssp_wrap(struct gensec_security *gensec_security,
 112                              TALLOC_CTX *out_mem_ctx,
 113                              const DATA_BLOB *in,
 114                              DATA_BLOB *out)
 115 {
 116         struct gensec_ntlmssp_context *gensec_ntlmssp =
 117                 talloc_get_type_abort(gensec_security->private_data,
 118                                       struct gensec_ntlmssp_context);
 119
 120         return ntlmssp_wrap(gensec_ntlmssp->ntlmssp_state,
 121                             out_mem_ctx,
 122                             in, out);
 123 }
 124
 125
 126 NTSTATUS gensec_ntlmssp_unwrap(struct gensec_security *gensec_security,
 127                                TALLOC_CTX *out_mem_ctx,
 128                                const DATA_BLOB *in,
 129                                DATA_BLOB *out)
 130 {
 131         struct gensec_ntlmssp_context *gensec_ntlmssp =
 132                 talloc_get_type_abort(gensec_security->private_data,
 133                                       struct gensec_ntlmssp_context);
 134
 135         return ntlmssp_unwrap(gensec_ntlmssp->ntlmssp_state,
 136                               out_mem_ctx,
 137                               in, out);
 138 }