xref: /freebsd/contrib/smbfs/lib/smb/file.c (revision b1f9167f94059fd55c630891d359bcff987bd7eb)
1 /*
2  * Copyright (c) 2000, Boris Popov
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *    This product includes software developed by Boris Popov.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  * $Id: file.c,v 1.2 2001/04/16 04:33:01 bp Exp $
33  * $FreeBSD$
34  */
35 #include <sys/param.h>
36 #include <sys/sysctl.h>
37 #include <sys/ioctl.h>
38 #include <sys/time.h>
39 #include <sys/mount.h>
40 #include <fcntl.h>
41 #include <ctype.h>
42 #include <errno.h>
43 #include <stdio.h>
44 #include <string.h>
45 #include <stdlib.h>
46 #include <pwd.h>
47 #include <grp.h>
48 #include <unistd.h>
49 
50 #include <netsmb/smb_lib.h>
51 #include <netsmb/smb_conn.h>
52 #include <cflib.h>
53 
54 int
55 smb_read(struct smb_ctx *ctx, smbfh fh, off_t offset, size_t count, char *dst)
56 {
57 	struct smbioc_rw rwrq;
58 
59 	rwrq.ioc_fh = fh;
60 	rwrq.ioc_base = dst;
61 	rwrq.ioc_cnt = count;
62 	rwrq.ioc_offset = offset;
63 	if (ioctl(ctx->ct_fd, SMBIOC_READ, &rwrq) == -1)
64 		return -1;
65 	return rwrq.ioc_cnt;
66 }
67 
68 int
69 smb_write(struct smb_ctx *ctx, smbfh fh, off_t offset, size_t count,
70 	const char *src)
71 {
72 	struct smbioc_rw rwrq;
73 
74 	rwrq.ioc_fh = fh;
75 	rwrq.ioc_base = (char *)src;
76 	rwrq.ioc_cnt = count;
77 	rwrq.ioc_offset = offset;
78 	if (ioctl(ctx->ct_fd, SMBIOC_WRITE, &rwrq) == -1)
79 		return -1;
80 	return rwrq.ioc_cnt;
81 }
82