1/*
2 * Copyright (c) 2000, Boris Popov
3 * All rights reserved.
4 *
5 * Portions Copyright (C) 2001 - 2010 Apple Inc. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *    This product includes software developed by Boris Popov.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * $Id: file.c,v 1.4 2004/12/13 00:25:21 lindak Exp $
35 */
36#include <netsmb/smb_lib.h>
37#include <netsmb/smb_conn.h>
38
39int
40smb_read(struct smb_ctx *ctx, smbfh fh, off_t offset, uint32_t count, char *dst)
41{
42	struct smbioc_rw rwrq;
43
44	bzero(&rwrq, sizeof(rwrq));
45	rwrq.ioc_version = SMB_IOC_STRUCT_VERSION;
46	rwrq.ioc_fh = fh;
47	rwrq.ioc_base = dst;
48	rwrq.ioc_cnt = count;
49	rwrq.ioc_offset = offset;
50	if (smb_ioctl_call(ctx->ct_fd, SMBIOC_READ, &rwrq) == -1) {
51		return -1;
52	}
53	return rwrq.ioc_cnt;
54}
55
56int
57smb_write(struct smb_ctx *ctx, smbfh fh, off_t offset, uint32_t count, const char *src)
58{
59	struct smbioc_rw rwrq;
60
61	bzero(&rwrq, sizeof(rwrq));
62	rwrq.ioc_version = SMB_IOC_STRUCT_VERSION;
63	rwrq.ioc_fh = fh;
64	rwrq.ioc_base = (char *)src;
65	rwrq.ioc_cnt = count;
66	rwrq.ioc_offset = offset;
67	/*
68	 * Curretly we don't support Write Modes from user land. We do support paasing
69	 * it down, but until we see a requirement lets leave it zero out.
70	 */
71	if (smb_ioctl_call(ctx->ct_fd, SMBIOC_WRITE, &rwrq) == -1) {
72		return -1;
73	}
74	return rwrq.ioc_cnt;
75}
76