1/*
2 * The new sysinstall program.
3 *
4 * This is probably the last attempt in the `sysinstall' line, the next
5 * generation being slated to essentially a complete rewrite.
6 *
7 * $FreeBSD$
8 *
9 * Copyright (c) 1995
10 *	Jordan Hubbard.  All rights reserved.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 *    notice, this list of conditions and the following disclaimer,
17 *    verbatim and that no modifications are made prior to this
18 *    point in the file.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 *    notice, this list of conditions and the following disclaimer in the
21 *    documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL JORDAN HUBBARD OR HIS PETS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 */
36
37#include "sysinstall.h"
38#include <sys/errno.h>
39#include <sys/fcntl.h>
40#include <sys/param.h>
41#include <sys/mount.h>
42
43#include <limits.h>
44
45Boolean NFSMounted;
46static char mountpoint[] = "/dist";
47
48Boolean
49mediaInitNFS(Device *dev)
50{
51    Device *netDevice = (Device *)dev->private;
52    WINDOW *w = savescr();
53
54    if (NFSMounted)
55	return TRUE;
56
57    if (!DEVICE_INIT(netDevice))
58	return FALSE;
59
60    if (Mkdir(mountpoint))
61	return FALSE;
62
63    msgNotify("Mounting %s over NFS on %s", dev->name, mountpoint);
64    if (vsystem("mount_nfs %s %s %s %s %s %s",
65		!variable_cmp(VAR_NFS_TCP, "YES") ? "-T" : "",
66		!variable_cmp(VAR_NFS_V3, "YES") ? "-3" : "",
67		!variable_cmp(VAR_SLOW_ETHER, "YES") ?
68			"-r 1024 -w 1024" : "-r 4096 -w 4096",
69		!variable_cmp(VAR_NFS_SECURE, "YES") ? "-P" : "",
70		dev->name, mountpoint)) {
71	msgConfirm("Error mounting %s on %s: %s.", dev->name, mountpoint, strerror(errno));
72	if (netDevice)
73	    DEVICE_SHUTDOWN(netDevice);
74	restorescr(w);
75	return FALSE;
76    }
77    NFSMounted = TRUE;
78    if (isDebug())
79	msgDebug("Mounted NFS device %s onto %s\n", dev->name, mountpoint);
80    restorescr(w);
81    return TRUE;
82}
83
84FILE *
85mediaGetNFS(Device *dev, char *file, Boolean probe)
86{
87    return mediaGenericGet(mountpoint, file);
88}
89
90void
91mediaShutdownNFS(Device *dev)
92{
93    if (!NFSMounted)
94	return;
95
96    msgDebug("Unmounting NFS partition on %s\n", mountpoint);
97    if (unmount(mountpoint, MNT_FORCE) != 0)
98	msgConfirm("Could not unmount the NFS partition: %s", strerror(errno));
99    NFSMounted = FALSE;
100    return;
101}
102