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samba-mirror/auth/ntlmssp/ntlmssp_ndr.c
Günther Deschner 30386c23ae ntlmssp: when pulling messages it is important to clear memory first.
Guenther

Signed-off-by: Günther Deschner <gd@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
2016-02-04 09:29:16 +01:00

135 lines
3.9 KiB
C

/*
Unix SMB/Netbios implementation.
NTLMSSP ndr functions
Copyright (C) Guenther Deschner 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "../librpc/gen_ndr/ndr_ntlmssp.h"
#include "ntlmssp_ndr.h"
#define NTLMSSP_PULL_MESSAGE(type, blob, mem_ctx, r) \
do { \
enum ndr_err_code __ndr_err; \
ZERO_STRUCTP(r); /* in order to deal with unset neg flags */\
__ndr_err = ndr_pull_struct_blob(blob, mem_ctx, r, \
(ndr_pull_flags_fn_t)ndr_pull_ ##type); \
if (!NDR_ERR_CODE_IS_SUCCESS(__ndr_err)) { \
return ndr_map_error2ntstatus(__ndr_err); \
} \
if (memcmp(r->Signature, "NTLMSSP\0", 8)) {\
return NT_STATUS_INVALID_PARAMETER; \
} \
return NT_STATUS_OK; \
} while(0);
#define NTLMSSP_PUSH_MESSAGE(type, blob, mem_ctx, r) \
do { \
enum ndr_err_code __ndr_err; \
__ndr_err = ndr_push_struct_blob(blob, mem_ctx, r, \
(ndr_push_flags_fn_t)ndr_push_ ##type); \
if (!NDR_ERR_CODE_IS_SUCCESS(__ndr_err)) { \
return ndr_map_error2ntstatus(__ndr_err); \
} \
return NT_STATUS_OK; \
} while(0);
/**
* Pull NTLMSSP NEGOTIATE_MESSAGE struct from a blob
* @param blob The plain packet blob
* @param mem_ctx A talloc context
* @param r Pointer to a NTLMSSP NEGOTIATE_MESSAGE structure
*/
NTSTATUS ntlmssp_pull_NEGOTIATE_MESSAGE(const DATA_BLOB *blob,
TALLOC_CTX *mem_ctx,
struct NEGOTIATE_MESSAGE *r)
{
NTLMSSP_PULL_MESSAGE(NEGOTIATE_MESSAGE, blob, mem_ctx, r);
}
/**
* Pull NTLMSSP CHALLENGE_MESSAGE struct from a blob
* @param blob The plain packet blob
* @param mem_ctx A talloc context
* @param r Pointer to a NTLMSSP CHALLENGE_MESSAGE structure
*/
NTSTATUS ntlmssp_pull_CHALLENGE_MESSAGE(const DATA_BLOB *blob,
TALLOC_CTX *mem_ctx,
struct CHALLENGE_MESSAGE *r)
{
NTLMSSP_PULL_MESSAGE(CHALLENGE_MESSAGE, blob, mem_ctx, r);
}
/**
* Pull NTLMSSP AUTHENTICATE_MESSAGE struct from a blob
* @param blob The plain packet blob
* @param mem_ctx A talloc context
* @param r Pointer to a NTLMSSP AUTHENTICATE_MESSAGE structure
*/
NTSTATUS ntlmssp_pull_AUTHENTICATE_MESSAGE(const DATA_BLOB *blob,
TALLOC_CTX *mem_ctx,
struct AUTHENTICATE_MESSAGE *r)
{
NTLMSSP_PULL_MESSAGE(AUTHENTICATE_MESSAGE, blob, mem_ctx, r);
}
/**
* Push NTLMSSP NEGOTIATE_MESSAGE struct into a blob
* @param blob The plain packet blob
* @param mem_ctx A talloc context
* @param r Pointer to a NTLMSSP NEGOTIATE_MESSAGE structure
*/
NTSTATUS ntlmssp_push_NEGOTIATE_MESSAGE(DATA_BLOB *blob,
TALLOC_CTX *mem_ctx,
const struct NEGOTIATE_MESSAGE *r)
{
NTLMSSP_PUSH_MESSAGE(NEGOTIATE_MESSAGE, blob, mem_ctx, r);
}
/**
* Push NTLMSSP CHALLENGE_MESSAGE struct into a blob
* @param blob The plain packet blob
* @param mem_ctx A talloc context
* @param r Pointer to a NTLMSSP CHALLENGE_MESSAGE structure
*/
NTSTATUS ntlmssp_push_CHALLENGE_MESSAGE(DATA_BLOB *blob,
TALLOC_CTX *mem_ctx,
const struct CHALLENGE_MESSAGE *r)
{
NTLMSSP_PUSH_MESSAGE(CHALLENGE_MESSAGE, blob, mem_ctx, r);
}
/**
* Push NTLMSSP AUTHENTICATE_MESSAGE struct into a blob
* @param blob The plain packet blob
* @param mem_ctx A talloc context
* @param r Pointer to a NTLMSSP AUTHENTICATE_MESSAGE structure
*/
NTSTATUS ntlmssp_push_AUTHENTICATE_MESSAGE(DATA_BLOB *blob,
TALLOC_CTX *mem_ctx,
const struct AUTHENTICATE_MESSAGE *r)
{
NTLMSSP_PUSH_MESSAGE(AUTHENTICATE_MESSAGE, blob, mem_ctx, r);
}