functions-mountoptical.sh revision 211730 
1#!/bin/sh
2#-
3# Copyright (c) 2010 iXsystems, Inc.  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#
14# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24# SUCH DAMAGE.
25#
26# $FreeBSD: head/usr.sbin/pc-sysinstall/backend/functions-mountoptical.sh 211730 2010-08-24 06:11:46Z imp $
27
28# Functions which perform mounting / unmounting and switching of 
29# optical / usb media
30
31. ${BACKEND}/functions.sh
32. ${BACKEND}/functions-parse.sh
33
34# Displays an optical failure message
35opt_fail()
36{
37  # If we got here, we must not have a DVD/USB we can find :(
38  get_value_from_cfg installInteractive
39  if [ "${VAL}" = "yes" ]
40  then
41    # We are running interactive, and didn't find a DVD, prompt user again
42    echo_log "DISK ERROR: Unable to find installation disk!"
43    echo_log "Please insert the installation disk and press enter."
44    read tmp
45  else
46   exit_err "ERROR: Unable to locate installation DVD/USB"
47  fi
48};
49
50# Performs the extraction of data to disk
51opt_mount()
52{
53  FOUND="0"
54
55  # Ensure we have a directory where its supposed to be
56  if [ ! -d "${CDMNT}" ]
57  then
58    mkdir -p ${CDMNT}
59  fi
60
61
62  # Start by checking if we already have a cd mounted at CDMNT
63  mount | grep "${CDMNT} " >/dev/null 2>/dev/null
64  if [ "$?" = "0" ]
65  then
66    if [ -e "${CDMNT}/${INSFILE}" ]
67    then
68      echo "MOUNTED" >${TMPDIR}/cdmnt
69      echo_log "FOUND DVD: MOUNTED"
70      FOUND="1"
71      return
72    fi
73
74    # failed to find optical disk
75    opt_fail
76    return
77  fi
78
79  # Setup our loop to search for installation media
80  while
81  z=1
82  do
83
84    # Loop though and look for an installation disk
85    for i in `ls -1 /dev/acd* /dev/cd* /dev/scd* /dev/rscd* 2>/dev/null`
86    do
87      # Find the CD Device
88      /sbin/mount_cd9660 $i ${CDMNT}
89
90      # Check the package type to see if we have our install data
91      if [ -e "${CDMNT}/${INSFILE}" ]
92      then
93        echo "${i}" >${TMPDIR}/cdmnt
94        echo_log "FOUND DVD: ${i}"
95        FOUND="1"
96        break
97      fi
98      /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
99    done
100
101    # If no DVD found, try USB
102    if [ "$FOUND" != "1" ]
103    then
104      # Loop though and look for an installation disk
105      for i in `ls -1 /dev/da* 2>/dev/null`
106      do
107        # Check if we can mount this device UFS
108        /sbin/mount -r $i ${CDMNT}
109
110        # Check the package type to see if we have our install data
111        if [ -e "${CDMNT}/${INSFILE}" ]
112        then
113          echo "${i}" >${TMPDIR}/cdmnt
114          echo_log "FOUND USB: ${i}"
115          FOUND="1"
116          break
117        fi
118        /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
119
120        # Also check if it is a FAT mount
121        /sbin/mount -r -t msdosfs $i ${CDMNT}
122
123        # Check the package type to see if we have our install data
124        if [ -e "${CDMNT}/${INSFILE}" ]
125        then
126          echo "${i}" >${TMPDIR}/cdmnt
127          echo_log "FOUND USB: ${i}"
128          FOUND="1"
129          break
130        fi
131        /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
132      done
133    fi # End of USB Check
134
135
136    if [ "$FOUND" = "1" ]
137    then
138      break
139    fi
140   
141    # Failed to find a disk, take action now
142    opt_fail
143
144  done
145
146};
147
148# Function to unmount optical media
149opt_umount()
150{
151  /sbin/umount ${CDMNT} >/dev/null 2>/dev/null
152};
153
154