1#!/bin/sh
2#-
3# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4#
5# Copyright (c) 2010 iXsystems, 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#
16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26# SUCH DAMAGE.
27#
28# $FreeBSD$
29
30# Functions which perform mounting / unmounting and switching of
31# optical / usb media
32
33. ${BACKEND}/functions.sh
34. ${BACKEND}/functions-parse.sh
35
36# Displays an optical failure message
37opt_fail()
38{
39  # If we got here, we must not have a DVD/USB we can find :(
40  get_value_from_cfg installInteractive
41  if [ "${VAL}" = "yes" ]
42  then
43    # We are running interactive, and didn't find a DVD, prompt user again
44    echo_log "DISK ERROR: Unable to find installation disk!"
45    echo_log "Please insert the installation disk and press enter."
46    read tmp
47  else
48   exit_err "ERROR: Unable to locate installation DVD/USB"
49  fi
50};
51
52# Performs the extraction of data to disk
53opt_mount()
54{
55  FOUND="0"
56
57  # Ensure we have a directory where its supposed to be
58  if [ ! -d "${CDMNT}" ]
59  then
60    mkdir -p ${CDMNT}
61  fi
62
63
64  # Start by checking if we already have a cd mounted at CDMNT
65  mount | grep -q "${CDMNT} " 2>/dev/null
66  if [ $? -eq 0 ]
67  then
68    if [ -e "${CDMNT}/${INSFILE}" ]
69    then
70      echo "MOUNTED" >${TMPDIR}/cdmnt
71      echo_log "FOUND DVD: MOUNTED"
72      FOUND="1"
73      return
74    fi
75
76    # failed to find optical disk
77    opt_fail
78    return
79  fi
80
81  # Setup our loop to search for installation media
82  while
83  z=1
84  do
85
86    # Loop though and look for an installation disk
87    for i in `ls -1 /dev/cd* 2>/dev/null`
88    do
89      # Find the CD Device
90      /sbin/mount_cd9660 $i ${CDMNT}
91
92      # Check the package type to see if we have our install data
93      if [ -e "${CDMNT}/${INSFILE}" ]
94      then
95        echo "${i}" >${TMPDIR}/cdmnt
96        echo_log "FOUND DVD: ${i}"
97        FOUND="1"
98        break
99      fi
100      /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
101    done
102
103    # If no DVD found, try USB
104    if [ "$FOUND" != "1" ]
105    then
106      # Loop though and look for an installation disk
107      for i in `ls -1 /dev/da* 2>/dev/null`
108      do
109        # Check if we can mount this device UFS
110        /sbin/mount -r $i ${CDMNT}
111
112        # Check the package type to see if we have our install data
113        if [ -e "${CDMNT}/${INSFILE}" ]
114        then
115          echo "${i}" >${TMPDIR}/cdmnt
116          echo_log "FOUND USB: ${i}"
117          FOUND="1"
118          break
119        fi
120        /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
121
122        # Also check if it is a FAT mount
123        /sbin/mount -r -t msdosfs $i ${CDMNT}
124
125        # Check the package type to see if we have our install data
126        if [ -e "${CDMNT}/${INSFILE}" ]
127        then
128          echo "${i}" >${TMPDIR}/cdmnt
129          echo_log "FOUND USB: ${i}"
130          FOUND="1"
131          break
132        fi
133        /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
134      done
135    fi # End of USB Check
136
137
138    if [ "$FOUND" = "1" ]
139    then
140      break
141    fi
142
143    # Failed to find a disk, take action now
144    opt_fail
145
146  done
147
148};
149
150# Function to unmount optical media
151opt_umount()
152{
153  /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
154};
155