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samba-mirror/libcli/smb/smb2_posix.c
Volker Lendecke 8047876f4a smbd: Add make_smb2_posix_create_ctx()
Will be used internally to pass an artificial posix create context
into VFS_CREATE_FILE from the SMB1 unix extension calls

Pair programmed with: Jeremy Allison <jra@samba.org>
Signed-off-by: Volker Lendecke <vl@samba.org>
2020-02-07 21:01:31 +00:00

52 lines
1.5 KiB
C

/*
* Unix SMB/CIFS implementation.
*
* SMB2 Posix context handling
*
* Copyright (C) Jeremy Allison 2019
*
* 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 "replace.h"
#include "libcli/smb/smb2_posix.h"
#include "libcli/smb/smb2_constants.h"
#include "lib/util/byteorder.h"
NTSTATUS make_smb2_posix_create_ctx(
TALLOC_CTX *mem_ctx,
struct smb2_create_blobs **crb,
mode_t mode)
{
struct smb2_create_blobs *cblobs = NULL;
uint8_t linear_mode[4];
DATA_BLOB blob = { .data=linear_mode, .length=sizeof(linear_mode) };
NTSTATUS status;
cblobs = talloc_zero(mem_ctx, struct smb2_create_blobs);
if (cblobs == NULL) {
return NT_STATUS_NO_MEMORY;
}
SIVAL(&linear_mode,0, unix_perms_to_wire(mode & ~S_IFMT));
status = smb2_create_blob_add(
cblobs, cblobs, SMB2_CREATE_TAG_POSIX, blob);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(cblobs);
return status;
}
*crb = cblobs;
return NT_STATUS_OK;
}