| 1 | #!/bin/bash |
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| 2 | |
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| 3 | ### BEGIN INIT INFO |
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| 4 | # Provides: fll-reboot |
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| 5 | # Required-Start: |
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| 6 | # Required-Stop: |
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| 7 | # Default-Start: |
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| 8 | # Default-Stop: 0 6 |
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| 9 | # Short-Description: shutdown and eject live media |
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| 10 | # Description: This script provides the equivalent of umountfs, |
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| 11 | # umountroot and halt on a stadard debian system. It umounts |
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| 12 | # live mounts and ejects the live media at shutdown/reboot. |
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| 13 | ### END INIT INFO |
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| 14 | |
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| 15 | ### |
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| 16 | # F.U.L.L.S.T.O.R.Y init script |
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| 17 | # |
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| 18 | # Copyright: (C) 2007 F.U.L.L.S.T.O.R.Y Project |
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| 19 | # Copyright: (C) 2007 Kel Modderman <kel@otaku42.de> |
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| 20 | # Copyright: (C) 2007 Alan Baghumian <alan@technotux.org> |
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| 21 | # License: GPLv2 |
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| 22 | # |
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| 23 | # F.U.L.L.S.T.O.R.Y Project Homepage: |
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| 24 | # http://developer.berlios.de/projects/fullstory |
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| 25 | ### |
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| 26 | |
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| 27 | PATH=/sbin:/usr/sbin:/bin:/usr/bin |
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| 28 | NAME="fll-reboot" |
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| 29 | |
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| 30 | ### |
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| 31 | # source distro-defaults, no-op unless in live mode |
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| 32 | ### |
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| 33 | FLL_DISTRO_MODE="installed" |
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| 34 | |
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| 35 | if [ -s /etc/default/distro ]; then |
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| 36 | . /etc/default/distro |
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| 37 | fi |
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| 38 | |
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| 39 | if [ "${FLL_DISTRO_MODE}" != "live" ]; then |
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| 40 | exit 0 |
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| 41 | fi |
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| 42 | |
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| 43 | ### |
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| 44 | # VERBOSE setting and other rcS variables |
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| 45 | ### |
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| 46 | . /lib/init/vars.sh |
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| 47 | |
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| 48 | ### |
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| 49 | # source lsb functions |
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| 50 | ### |
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| 51 | . /lib/lsb/init-functions |
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| 52 | |
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| 53 | ### |
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| 54 | # ANSI escape sequences (N, R, G, Y, B, M, C, W) |
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| 55 | ### |
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| 56 | . /lib/fll/fll-init-cols |
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| 57 | |
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| 58 | ### |
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| 59 | # define this for copy_exec |
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| 60 | ### |
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| 61 | DESTDIR="/live-hack" |
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| 62 | |
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| 63 | if [ -f /proc/cmdline ]; then |
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| 64 | for param in $(cat /proc/cmdline); do |
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| 65 | case "${param}" in |
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| 66 | flldebug=*) |
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| 67 | [ "${param#flldebug=}" = "${NAME#fll-}" ] && set -x |
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| 68 | ;; |
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| 69 | noeject) |
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| 70 | NOEJECT="1" |
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| 71 | ;; |
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| 72 | noprompt) |
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| 73 | NOPROMPT="1" |
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| 74 | ;; |
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| 75 | esac |
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| 76 | done |
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| 77 | fi |
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| 78 | |
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| 79 | ############################################################################### |
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| 80 | # Adapted from initscripts: /etc/init.d/umountfs (2.86.ds1-38) |
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| 81 | ############################################################################### |
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| 82 | # Print in order of decreasing length |
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| 83 | # |
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| 84 | # Algorithm: Find and print longest argument, then call self |
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| 85 | # to print remaining arguments in order of decreasing length |
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| 86 | # |
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| 87 | # This function runs at one tenth the speed of the sort program |
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| 88 | # but we use the function because we don't want to rely on any |
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| 89 | # programs in /usr/. |
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| 90 | # |
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| 91 | # N.B.: Arguments must not be null and must not contain whitespace |
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| 92 | # |
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| 93 | pioodl() { |
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| 94 | [ "$1" ] || return 0 |
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| 95 | |
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| 96 | ARGNUM=1 |
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| 97 | ARGNUM_LONGEST=0 |
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| 98 | ARGLENGTH_LONGEST=0 |
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| 99 | for ARG in "$@" |
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| 100 | do |
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| 101 | ARGLENGTH="${#ARG}" |
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| 102 | if [ "$ARGLENGTH" -gt "$ARGLENGTH_LONGEST" ] |
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| 103 | then |
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| 104 | ARGLENGTH_LONGEST="$ARGLENGTH" |
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| 105 | ARGNUM_LONGEST="$ARGNUM" |
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| 106 | fi |
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| 107 | ARGNUM=$(($ARGNUM + 1)) |
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| 108 | done |
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| 109 | |
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| 110 | # The method of passing prevargs assumes that args can be |
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| 111 | # delimited with spaces |
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| 112 | ARGNUM=1 |
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| 113 | PREVARGS="" |
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| 114 | while [ "$ARGNUM" -lt "$ARGNUM_LONGEST" ] |
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| 115 | do |
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| 116 | PREVARGS="$PREVARGS $1" |
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| 117 | shift |
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| 118 | ARGNUM=$(($ARGNUM + 1)) |
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| 119 | done |
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| 120 | echo "$1" |
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| 121 | shift |
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| 122 | |
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| 123 | pioodl $PREVARGS "$@" |
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| 124 | } |
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| 125 | |
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| 126 | do_umount() { |
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| 127 | exec 9<&0 < /proc/mounts |
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| 128 | |
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| 129 | REG_MTPTS="" |
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| 130 | TMPFS_MTPTS="" |
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| 131 | while read DEV MTPT FSTYPE OPTS REST |
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| 132 | do |
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| 133 | case "$MTPT" in |
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| 134 | # |
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| 135 | # live hack |
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| 136 | # |
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| 137 | /fll/*) |
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| 138 | case "$FSTYPE" in |
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| 139 | iso9660) |
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| 140 | if [ "$MTPT" = /fll/fromiso ]; then |
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| 141 | LIVE_MTPTS="$LIVE_MTPTS $MTPT" |
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| 142 | else |
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| 143 | LIVE_CDROM="$DEV" |
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| 144 | fi |
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| 145 | ;; |
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| 146 | *) |
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| 147 | LIVE_MTPTS="$LIVE_MTPTS $MTPT" |
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| 148 | ;; |
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| 149 | esac |
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| 150 | continue |
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| 151 | ;; |
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| 152 | # |
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| 153 | # live hack |
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| 154 | # |
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| 155 | /|/proc|/dev|/.dev|/dev/pts|/dev/shm|/dev/.static/dev|/proc/*|/sys|/lib/init/rw) |
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| 156 | continue |
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| 157 | ;; |
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| 158 | /var/run) |
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| 159 | if [ yes = "$RAMRUN" ] ; then |
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| 160 | continue |
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| 161 | fi |
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| 162 | ;; |
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| 163 | /var/lock) |
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| 164 | if [ yes = "$RAMLOCK" ] ; then |
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| 165 | continue |
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| 166 | fi |
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| 167 | ;; |
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| 168 | esac |
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| 169 | case "$FSTYPE" in |
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| 170 | proc|procfs|linprocfs|devfs|sysfs|usbfs|usbdevfs|devpts) |
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| 171 | continue |
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| 172 | ;; |
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| 173 | # |
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| 174 | # live hack |
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| 175 | # |
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| 176 | aufs|unionfs) |
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| 177 | UNION_MTPTS="$UNION_MTPTS $MTPT" |
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| 178 | ;; |
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| 179 | squashfs) |
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| 180 | SQUSH_MTPTS="$SQUSH_MTPTS $MTPT" |
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| 181 | ;; |
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| 182 | # |
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| 183 | # live hack |
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| 184 | # |
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| 185 | tmpfs) |
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| 186 | TMPFS_MTPTS="$TMPFS_MTPTS $MTPT" |
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| 187 | ;; |
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| 188 | *) |
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| 189 | REG_MTPTS="$REG_MTPTS $MTPT" |
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| 190 | ;; |
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| 191 | esac |
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| 192 | done |
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| 193 | |
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| 194 | exec 0<&9 9<&- |
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| 195 | |
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| 196 | # |
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| 197 | # Make sure tmpfs file systems are umounted before turning off |
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| 198 | # swap, to avoid running out of memory if the tmpfs filesystems |
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| 199 | # use a lot of space. |
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| 200 | # |
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| 201 | if [ "$TMPFS_MTPTS" ] |
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| 202 | then |
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| 203 | TMPFS_MTPTS="$(pioodl $TMPFS_MTPTS)" |
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| 204 | if [ "$VERBOSE" = no ] |
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| 205 | then |
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| 206 | log_action_begin_msg "Unmounting temporary filesystems" |
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| 207 | umount $TMPFS_MTPTS |
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| 208 | log_action_end_msg $? |
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| 209 | else |
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| 210 | log_daemon_msg "Will now unmount temporary filesystems" |
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| 211 | umount -v $TMPFS_MTPTS |
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| 212 | log_end_msg $? |
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| 213 | fi |
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| 214 | fi |
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| 215 | |
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| 216 | # |
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| 217 | # Deactivate swap |
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| 218 | # |
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| 219 | if [ "$VERBOSE" = no ] |
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| 220 | then |
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| 221 | log_action_begin_msg "Deactivating swap" |
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| 222 | swapoff -a >/dev/null |
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| 223 | log_action_end_msg $? |
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| 224 | else |
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| 225 | log_daemon_msg "Will now deactivate swap" |
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| 226 | swapoff -a -v |
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| 227 | log_end_msg $? |
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| 228 | fi |
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| 229 | |
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| 230 | # |
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| 231 | # Unmount local filesystems |
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| 232 | # |
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| 233 | if [ "$REG_MTPTS" ] |
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| 234 | then |
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| 235 | REG_MTPTS="$(pioodl $REG_MTPTS)" |
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| 236 | if [ "$VERBOSE" = no ] |
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| 237 | then |
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| 238 | log_action_begin_msg "Unmounting local filesystems" |
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| 239 | umount -n -f -r -d $REG_MTPTS |
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| 240 | log_action_end_msg $? |
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| 241 | else |
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| 242 | log_daemon_msg "Will now unmount local filesystems" |
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| 243 | umount -n -f -v -r -d $REG_MTPTS |
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| 244 | log_end_msg $? |
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| 245 | fi |
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| 246 | fi |
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| 247 | |
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| 248 | # |
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| 249 | # live hack: any command after this point must be prefixed with ${BINDIR} |
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| 250 | # |
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| 251 | if [ "$UNION_MTPTS" ] |
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| 252 | then |
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| 253 | UNION_MTPTS="$(pioodl $UNION_MTPTS)" |
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| 254 | if [ "$VERBOSE" = no ] |
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| 255 | then |
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| 256 | log_action_begin_msg "Unmounting union filesystems" |
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| 257 | ${BINDIR}umount -l -n -f -d $UNION_MTPTS |
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| 258 | log_action_end_msg $? |
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| 259 | else |
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| 260 | log_daemon_msg "Will now unmount union filesystems" |
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| 261 | ${BINDIR}umount -l -n -f -v -d $UNION_MTPTS |
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| 262 | log_end_msg $? |
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| 263 | fi |
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| 264 | fi |
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| 265 | |
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| 266 | if [ "$SQSH_MTPTS" ] |
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| 267 | then |
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| 268 | SQSH_MTPTS="$(pioodl $SQSH_MTPTS)" |
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| 269 | if [ "$VERBOSE" = no ] |
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| 270 | then |
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| 271 | log_action_begin_msg "Unmounting squashfs filesystems" |
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| 272 | ${BINDIR}umount -l -n -f -d $SQSH_MTPTS |
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| 273 | log_action_end_msg $? |
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| 274 | else |
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| 275 | log_daemon_msg "Will now unmount squashfs filesystems" |
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| 276 | ${BINDIR}umount -l -n -f -v -d $SQSH_MTPTS |
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| 277 | log_end_msg $? |
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| 278 | fi |
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| 279 | fi |
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| 280 | |
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| 281 | if [ "$LIVE_MTPTS" ] |
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| 282 | then |
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| 283 | LIVE_MTPTS="$(pioodl $LIVE_MTPTS)" |
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| 284 | if [ "$VERBOSE" = no ] |
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| 285 | then |
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| 286 | log_action_begin_msg "Unmounting live filesystems" |
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| 287 | ${BINDIR}umount -l -n -f -d $LIVE_MTPTS |
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| 288 | log_action_end_msg $? |
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| 289 | else |
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| 290 | log_daemon_msg "Will now unmount live filesystems" |
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| 291 | ${BINDIR}umount -l -n -f -v -d $LIVE_MTPTS |
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| 292 | log_end_msg $? |
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| 293 | fi |
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| 294 | fi |
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| 295 | |
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| 296 | if [ "$LIVE_CDROM" ]; then |
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| 297 | export LIVE_CDROM |
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| 298 | fi |
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| 299 | } |
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| 300 | ############################################################################### |
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| 301 | # Adapted from initramfs-tools hook-functions (0.87b) |
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| 302 | ############################################################################### |
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| 303 | # $1 is source |
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| 304 | # $2 is relative destination |
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| 305 | copy_exec() { |
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| 306 | local verbose="${VERBOSE}" |
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| 307 | local final_destination=${DESTDIR}/${2}/`basename ${1}` |
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| 308 | |
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| 309 | if [ -L "$final_destination" ]; then |
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| 310 | if ! [ `readlink ${final_destination}` = "${1}" ]; then |
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| 311 | return |
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| 312 | fi |
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| 313 | else |
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| 314 | cp ${1} ${DESTDIR}/${2} |
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| 315 | if [ -n "${verbose}" ] && [ "${verbose}" = "y" ]; then |
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| 316 | echo "Adding binary ${1}" |
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| 317 | fi |
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| 318 | fi |
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| 319 | |
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| 320 | # Copy the dependant libraries |
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| 321 | for x in $(ldd ${1} 2>/dev/null | sed -e ' |
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| 322 | /\//!d; |
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| 323 | /linux-gate/d; |
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| 324 | /=>/ {s/.*=>[[:blank:]]*\([^[:blank:]]*\).*/\1/}; |
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| 325 | s/[[:blank:]]*\([^[:blank:]]*\) (.*)/\1/' 2>/dev/null); do |
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| 326 | |
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| 327 | # Try to use non-optimised libraries where possible. |
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| 328 | # We assume that all HWCAP libraries will be in tls. |
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| 329 | nonoptlib=$(echo ${x} | sed -e 's#/lib/tls.*/\(lib.*\)#/lib/\1#') |
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| 330 | |
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| 331 | if [ -e ${nonoptlib} ]; then |
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| 332 | x=${nonoptlib} |
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| 333 | fi |
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| 334 | |
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| 335 | libname=$(basename ${x}) |
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| 336 | dirname=$(dirname ${x}) |
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| 337 | |
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| 338 | mkdir -p ${DESTDIR}/${dirname} |
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| 339 | if [ ! -e ${DESTDIR}/${dirname}/${libname} ]; then |
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| 340 | cp ${x} ${DESTDIR}/${dirname} |
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| 341 | if [ -n "${verbose}" ] && [ "${verbose}" = "y" ]; then |
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| 342 | echo "Adding library ${x}" |
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| 343 | fi |
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| 344 | fi |
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| 345 | done |
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| 346 | } |
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| 347 | ############################################################################### |
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| 348 | # End adapted functions |
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| 349 | ############################################################################### |
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| 350 | |
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| 351 | live_hack() { |
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| 352 | mkdir -p ${DESTDIR}/bin |
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| 353 | copy_exec /bin/umount /bin |
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| 354 | copy_exec /sbin/halt /bin |
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| 355 | copy_exec /sbin/reboot /bin |
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| 356 | copy_exec /usr/bin/eject /bin |
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| 357 | |
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| 358 | LD_LIBRARY_PATH="${DESTDIR}/lib" |
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| 359 | if [ -e "${DESTDIR}/lib64" ]; then |
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| 360 | LD_LIBRARY_PATH="${DESTDIR}/lib64:${LD_LIBRARY_PATH}" |
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| 361 | fi |
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| 362 | export LD_LIBRARY_PATH |
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| 363 | |
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| 364 | LD_LINUX="${DESTDIR}/lib/ld-linux.so.2" |
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| 365 | if [ -e "${DESTDIR}/lib64/ld-linux-x86-64.so.2" ]; then |
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| 366 | LD_LINUX="${DESTDIR}/lib64/ld-linux-x86-64.so.2" |
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| 367 | fi |
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| 368 | export LD_LINUX |
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| 369 | |
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| 370 | PATH="${DESTDIR}/bin:${PATH}" |
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| 371 | export PATH |
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| 372 | |
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| 373 | BINDIR="${LD_LINUX} ${DESTDIR}/bin/" |
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| 374 | export BINDIR |
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| 375 | } |
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| 376 | |
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| 377 | pop_live_cd() |
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| 378 | { |
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| 379 | if [ -z "${LIVE_CDROM}" ] || [ "${NOEJECT}" ]; then |
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| 380 | return 0 |
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| 381 | fi |
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| 382 | |
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| 383 | # |
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| 384 | # disable kernel messages while ejecting cdrom (libata noise) |
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| 385 | # |
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| 386 | echo "0" > /proc/sys/kernel/printk |
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| 387 | |
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| 388 | if [ -b "${LIVE_CDROM}" ]; then |
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| 389 | ${BINDIR}eject -m -p ${LIVE_CDROM} |
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| 390 | fi |
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| 391 | |
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| 392 | echo "6" > /proc/sys/kernel/printk |
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| 393 | |
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| 394 | if [ -z "${NOPROMPT}" ]; then |
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| 395 | echo "${Y}Please remove CD, close cdrom drive and hit return.${N}" > /dev/console |
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| 396 | read |
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| 397 | fi |
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| 398 | } |
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| 399 | |
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| 400 | do_stop() { |
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| 401 | local command message options |
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| 402 | |
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| 403 | # prepare binaries for post-umount of live media |
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| 404 | live_hack |
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| 405 | # umount the live media and other mount points |
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| 406 | do_umount |
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| 407 | |
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| 408 | case "${0}" in |
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| 409 | *halt) |
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| 410 | message="${G}${FLL_DISTRO_SNAME} halted.${N}" |
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| 411 | command="halt" |
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| 412 | options="-h -n -p -i -f" |
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| 413 | ;; |
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| 414 | *reboot) |
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| 415 | message="${G}Preparing for reboot...${N}" |
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| 416 | command="reboot" |
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| 417 | options="-n -i -f" |
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| 418 | ;; |
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| 419 | *) |
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| 420 | echo "${0}: call this script as \"halt\" or \"reboot\" please!" |
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| 421 | exit 1 |
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| 422 | ;; |
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| 423 | esac |
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| 424 | |
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| 425 | echo "${message}" > /dev/console |
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| 426 | |
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| 427 | pop_live_cd |
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| 428 | |
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| 429 | exec ${BINDIR}${command} ${options} > /dev/console 2>&1 < /dev/console |
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| 430 | } |
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| 431 | |
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| 432 | case "${1}" in |
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| 433 | start) |
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| 434 | # no-op |
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| 435 | ;; |
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| 436 | restart|reload|force-reload) |
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| 437 | echo "Error: argument '${1}' not supported" >&2 |
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| 438 | exit 3 |
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| 439 | ;; |
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| 440 | stop) |
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| 441 | # live-hack, umount and eject |
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| 442 | do_stop |
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| 443 | ;; |
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| 444 | *) |
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| 445 | echo "Usage: ${NAME} {start|stop}" >&2 |
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| 446 | exit 3 |
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| 447 | ;; |
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| 448 | esac |
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