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