functions-mountoptical.sh revision 209552 
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 209552 2010-06-27 16:46:11Z 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