auth/ntlmssp/ntlmssp_ndr.c

   1 /*
   2    Unix SMB/Netbios implementation.
   3    NTLMSSP ndr functions
   4
   5    Copyright (C) Guenther Deschner 2009
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "../librpc/gen_ndr/ndr_ntlmssp.h"
  23 #include "ntlmssp_ndr.h"
  24
  25 #define NTLMSSP_PULL_MESSAGE(type, blob, mem_ctx, r) \
  26 do { \
  27         enum ndr_err_code __ndr_err; \
  28         __ndr_err = ndr_pull_struct_blob(blob, mem_ctx, r, \
  29                         (ndr_pull_flags_fn_t)ndr_pull_ ##type); \
  30         if (!NDR_ERR_CODE_IS_SUCCESS(__ndr_err)) { \
  31                 return ndr_map_error2ntstatus(__ndr_err); \
  32         } \
  33         if (memcmp(r->Signature, "NTLMSSP\0", 8)) {\
  34                 return NT_STATUS_INVALID_PARAMETER; \
  35         } \
  36         return NT_STATUS_OK; \
  37 } while(0);
  38
  39 #define NTLMSSP_PUSH_MESSAGE(type, blob, mem_ctx, r) \
  40 do { \
  41         enum ndr_err_code __ndr_err; \
  42         __ndr_err = ndr_push_struct_blob(blob, mem_ctx, r, \
  43                         (ndr_push_flags_fn_t)ndr_push_ ##type); \
  44         if (!NDR_ERR_CODE_IS_SUCCESS(__ndr_err)) { \
  45                 return ndr_map_error2ntstatus(__ndr_err); \
  46         } \
  47         return NT_STATUS_OK; \
  48 } while(0);
  49
  50
  51 /**
  52  * Pull NTLMSSP NEGOTIATE_MESSAGE struct from a blob
  53  * @param blob The plain packet blob
  54  * @param mem_ctx A talloc context
  55  * @param r Pointer to a NTLMSSP NEGOTIATE_MESSAGE structure
  56  */
  57
  58 NTSTATUS ntlmssp_pull_NEGOTIATE_MESSAGE(const DATA_BLOB *blob,
  59                                         TALLOC_CTX *mem_ctx,
  60                                         struct NEGOTIATE_MESSAGE *r)
  61 {
  62         NTLMSSP_PULL_MESSAGE(NEGOTIATE_MESSAGE, blob, mem_ctx, r);
  63 }
  64
  65 /**
  66  * Pull NTLMSSP CHALLENGE_MESSAGE struct from a blob
  67  * @param blob The plain packet blob
  68  * @param mem_ctx A talloc context
  69  * @param r Pointer to a NTLMSSP CHALLENGE_MESSAGE structure
  70  */
  71
  72 NTSTATUS ntlmssp_pull_CHALLENGE_MESSAGE(const DATA_BLOB *blob,
  73                                         TALLOC_CTX *mem_ctx,
  74                                         struct CHALLENGE_MESSAGE *r)
  75 {
  76         NTLMSSP_PULL_MESSAGE(CHALLENGE_MESSAGE, blob, mem_ctx, r);
  77 }
  78
  79 /**
  80  * Pull NTLMSSP AUTHENTICATE_MESSAGE struct from a blob
  81  * @param blob The plain packet blob
  82  * @param mem_ctx A talloc context
  83  * @param r Pointer to a NTLMSSP AUTHENTICATE_MESSAGE structure
  84  */
  85
  86 NTSTATUS ntlmssp_pull_AUTHENTICATE_MESSAGE(const DATA_BLOB *blob,
  87                                            TALLOC_CTX *mem_ctx,
  88                                            struct AUTHENTICATE_MESSAGE *r)
  89 {
  90         NTLMSSP_PULL_MESSAGE(AUTHENTICATE_MESSAGE, blob, mem_ctx, r);
  91 }
  92
  93 /**
  94  * Push NTLMSSP NEGOTIATE_MESSAGE struct into a blob
  95  * @param blob The plain packet blob
  96  * @param mem_ctx A talloc context
  97  * @param r Pointer to a NTLMSSP NEGOTIATE_MESSAGE structure
  98  */
  99
 100 NTSTATUS ntlmssp_push_NEGOTIATE_MESSAGE(DATA_BLOB *blob,
 101                                         TALLOC_CTX *mem_ctx,
 102                                         const struct NEGOTIATE_MESSAGE *r)
 103 {
 104         NTLMSSP_PUSH_MESSAGE(NEGOTIATE_MESSAGE, blob, mem_ctx, r);
 105 }
 106
 107 /**
 108  * Push NTLMSSP CHALLENGE_MESSAGE struct into a blob
 109  * @param blob The plain packet blob
 110  * @param mem_ctx A talloc context
 111  * @param r Pointer to a NTLMSSP CHALLENGE_MESSAGE structure
 112  */
 113
 114 NTSTATUS ntlmssp_push_CHALLENGE_MESSAGE(DATA_BLOB *blob,
 115                                         TALLOC_CTX *mem_ctx,
 116                                         const struct CHALLENGE_MESSAGE *r)
 117 {
 118         NTLMSSP_PUSH_MESSAGE(CHALLENGE_MESSAGE, blob, mem_ctx, r);
 119 }
 120
 121 /**
 122  * Push NTLMSSP AUTHENTICATE_MESSAGE struct into a blob
 123  * @param blob The plain packet blob
 124  * @param mem_ctx A talloc context
 125  * @param r Pointer to a NTLMSSP AUTHENTICATE_MESSAGE structure
 126  */
 127
 128 NTSTATUS ntlmssp_push_AUTHENTICATE_MESSAGE(DATA_BLOB *blob,
 129                                            TALLOC_CTX *mem_ctx,
 130                                            const struct AUTHENTICATE_MESSAGE *r)
 131 {
 132         NTLMSSP_PUSH_MESSAGE(AUTHENTICATE_MESSAGE, blob, mem_ctx, r);
 133 }