source3/libsmb/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 "libsmb/ntlmssp_ndr.h"
  24
  25 #define NTLMSSP_PULL_MESSAGE(type, blob, mem_ctx, ic, r) \
  26 do { \
  27         enum ndr_err_code __ndr_err; \
  28         __ndr_err = ndr_pull_struct_blob(blob, mem_ctx, ic, 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, ic, r) \
  40 do { \
  41         enum ndr_err_code __ndr_err; \
  42         __ndr_err = ndr_push_struct_blob(blob, mem_ctx, ic, 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 ic Iconv convenience structure
  56  * @param r Pointer to a NTLMSSP NEGOTIATE_MESSAGE structure
  57  */
  58
  59 NTSTATUS ntlmssp_pull_NEGOTIATE_MESSAGE(const DATA_BLOB *blob,
  60                                         TALLOC_CTX *mem_ctx,
  61                                         struct smb_iconv_convenience *ic,
  62                                         struct NEGOTIATE_MESSAGE *r)
  63 {
  64         NTLMSSP_PULL_MESSAGE(NEGOTIATE_MESSAGE, blob, mem_ctx, ic, r);
  65 }
  66
  67 /**
  68  * Pull NTLMSSP CHALLENGE_MESSAGE struct from a blob
  69  * @param blob The plain packet blob
  70  * @param mem_ctx A talloc context
  71  * @param ic Iconv convenience structure
  72  * @param r Pointer to a NTLMSSP CHALLENGE_MESSAGE structure
  73  */
  74
  75 NTSTATUS ntlmssp_pull_CHALLENGE_MESSAGE(const DATA_BLOB *blob,
  76                                         TALLOC_CTX *mem_ctx,
  77                                         struct smb_iconv_convenience *ic,
  78                                         struct CHALLENGE_MESSAGE *r)
  79 {
  80         NTLMSSP_PULL_MESSAGE(CHALLENGE_MESSAGE, blob, mem_ctx, ic, r);
  81 }
  82
  83 /**
  84  * Pull NTLMSSP AUTHENTICATE_MESSAGE struct from a blob
  85  * @param blob The plain packet blob
  86  * @param mem_ctx A talloc context
  87  * @param ic Iconv convenience structure
  88  * @param r Pointer to a NTLMSSP AUTHENTICATE_MESSAGE structure
  89  */
  90
  91 NTSTATUS ntlmssp_pull_AUTHENTICATE_MESSAGE(const DATA_BLOB *blob,
  92                                            TALLOC_CTX *mem_ctx,
  93                                            struct smb_iconv_convenience *ic,
  94                                            struct AUTHENTICATE_MESSAGE *r)
  95 {
  96         NTLMSSP_PULL_MESSAGE(AUTHENTICATE_MESSAGE, blob, mem_ctx, ic, r);
  97 }
  98
  99 /**
 100  * Push NTLMSSP NEGOTIATE_MESSAGE struct into a blob
 101  * @param blob The plain packet blob
 102  * @param mem_ctx A talloc context
 103  * @param ic Iconv convenience structure
 104  * @param r Pointer to a NTLMSSP NEGOTIATE_MESSAGE structure
 105  */
 106
 107 NTSTATUS ntlmssp_push_NEGOTIATE_MESSAGE(DATA_BLOB *blob,
 108                                         TALLOC_CTX *mem_ctx,
 109                                         struct smb_iconv_convenience *ic,
 110                                         const struct NEGOTIATE_MESSAGE *r)
 111 {
 112         NTLMSSP_PUSH_MESSAGE(NEGOTIATE_MESSAGE, blob, mem_ctx, ic, r);
 113 }
 114
 115 /**
 116  * Push NTLMSSP CHALLENGE_MESSAGE struct into a blob
 117  * @param blob The plain packet blob
 118  * @param mem_ctx A talloc context
 119  * @param ic Iconv convenience structure
 120  * @param r Pointer to a NTLMSSP CHALLENGE_MESSAGE structure
 121  */
 122
 123 NTSTATUS ntlmssp_push_CHALLENGE_MESSAGE(DATA_BLOB *blob,
 124                                         TALLOC_CTX *mem_ctx,
 125                                         struct smb_iconv_convenience *ic,
 126                                         const struct CHALLENGE_MESSAGE *r)
 127 {
 128         NTLMSSP_PUSH_MESSAGE(CHALLENGE_MESSAGE, blob, mem_ctx, ic, r);
 129 }
 130
 131 /**
 132  * Push NTLMSSP AUTHENTICATE_MESSAGE struct into a blob
 133  * @param blob The plain packet blob
 134  * @param mem_ctx A talloc context
 135  * @param ic Iconv convenience structure
 136  * @param r Pointer to a NTLMSSP AUTHENTICATE_MESSAGE structure
 137  */
 138
 139 NTSTATUS ntlmssp_push_AUTHENTICATE_MESSAGE(DATA_BLOB *blob,
 140                                            TALLOC_CTX *mem_ctx,
 141                                            struct smb_iconv_convenience *ic,
 142                                            const struct AUTHENTICATE_MESSAGE *r)
 143 {
 144         NTLMSSP_PUSH_MESSAGE(AUTHENTICATE_MESSAGE, blob, mem_ctx, ic, r);
 145 }