testdata/scripts/pnd_run.sh

   1 #!/bin/bash
   2
   3 #Usage: pnd_run.sh -p your.pnd -e executeable [-a "(arguments)"] [ -s "cd to folder inside pnd"] [-b UID (name of mountpoint/pandora/appdata)] [-x close x before launching(script needs to be started with nohup for this to work]
   4 # -s startdir
   5 # arguments can be inside -e, -a is optional
   6
   7 #/etc/sudoers needs to be adjusted if you touch any of the sudo lines
   8
   9 # look at the comments in the nox part, adjust
  10 #use "lsof /usr/lib/libX11.so.6 | awk '{print $1}'| sort | uniq > whitelist" with nothing running to generate the whitelist
  11
  12 #todo - no proper order
  13 #validate params better
  14 #make uid/pnd_name mandatory (and rename var, its confusing!)
  15 #find a clean way of shutting down x without a fixed dm, mabye avoid nohup usage somehow
  16 #add options to just mount iso without union and to mount the union later
  17 #cleanup
  18 #Rewrite! - this sucks
  19
  20 showHelp() {
  21         cat <<endHELP
  22 Usage: pnd_run.sh -p your.pnd -e executeable [-a "(arguments)"] [ -s "cd to folder inside pnd"] [-b UID (name of mountpoint/pandora/appdata)] [-x close x before launching(script needs to be started with nohup for this to work]
  23 Usage for mounting/umounting pnd_run.sh -p your.pnd -b uid -m or -u
  24 endHELP
  25 }
  26
  27 list_using_fs() {
  28         for p in $(fuser -m $1 2>/dev/null);do ps hf $p;done
  29 }
  30 runApp() {
  31         cd "/mnt/utmp/$PND_NAME"                # cd to union mount
  32         if [ "$STARTDIR" ] && [ -d "$STARTDIR" ]; then
  33                 cd "$STARTDIR";                 # cd to folder specified by the optional arg -s
  34         fi
  35         echo "[------------------------------]{ App start }[---------------------------------]"
  36         LD_LIBRARY_PATH="/mnt/utmp/$PND_NAME" "./$EXENAME" $ARGUMENTS
  37                                                 # execute app with ld_lib_path set to the union mount, a bit evil but i think its a good solution
  38
  39         #the app could have exited now, OR it went into bg, we still need to wait in that case till it really quits!
  40         PID=$(pidof -o %PPID -x \"$EXENAME\")   # get pid of app
  41         while [ "$PID" ];do                     # wait till we get no pid back for tha app, again a bit ugly, but it works
  42                 sleep 10s
  43                 PID=`pidof -o %PPID -x \"$EXENAME\"`
  44         done
  45         echo "[-------------------------------]{ App end }[----------------------------------]"
  46 }
  47
  48 mountPnd() {
  49         #create mountpoints, check if they exist already first to avoid annoying error messages
  50         if ! [ -d "/mnt/pnd/${PND_NAME}" ]; then
  51                 sudo mkdir -p "/mnt/pnd/${PND_NAME}"            #mountpoint for iso, ro
  52         fi
  53         #writeable dir for union
  54         if ! [ -d "${MOUNTPOINT}/pandora/appdata/${PND_NAME}" ]; then
  55                 sudo mkdir -p "${MOUNTPOINT}/pandora/appdata/${PND_NAME}"
  56                 sudo chmod -R a+xrw "${MOUNTPOINT}/pandora/appdata/${PND_NAME}" 2>/dev/null
  57         fi
  58         if ! [ -d "/mnt/utmp/${PND_NAME}" ]; then
  59                 sudo mkdir -p "/mnt/utmp/${PND_NAME}"           # union over the two
  60         fi
  61
  62         if [ ${cpuspeed:-$(cat /proc/pandora/cpu_mhz_max)} -ne $(cat /proc/pandora/cpu_mhz_max) ]; then
  63                 gksudo --message "$PND_NAME wants to set the cpu speed to $cpuspeed, enter your password to allow" "echo $cpuspeed>/proc/pandora/cpu_mhz_max"
  64         fi
  65
  66         #is the union already mounted? if not mount evrything, else launch the stuff
  67         mount | grep "on /mnt/utmp/${PND_NAME} type"
  68         if [ $? -ne 0 ];then
  69                 echo not mounted on loop yet, doing so
  70                 #check if pnd is already attached to loop
  71                 LOOP=$(sudo losetup -a | grep "$PND" | tail -n1 | awk -F: '{print $1}')
  72                 #check if the loop device is already mounted
  73                 if ! [ -z "$LOOP" ];then
  74                         loopmountedon=$( mount | grep "$(mount | grep "$LOOP" | awk '{print $3}')" | grep utmp | awk '{print $3}' )
  75                 else
  76                         loopmountedon=""
  77                 fi
  78                 echo "LoopMountedon: $loopmountedon"
  79                 if [ ! "$loopmountedon" ]; then #check if the pnd is already attached to some loop device but not used
  80                         FREELOOP=$LOOP
  81                         #reuse existing loop
  82                         if [ ! "$LOOP" ]; then
  83                                 FREELOOP=$(sudo /sbin/losetup -f) #get first free loop device
  84                                 echo $FREELOOP
  85                                 if [ ! "$FREELOOP" ]; then  # no free loop device, create a new one
  86                                             #find a free loop device and use it
  87                                             usedminor=$(sudo /sbin/losetup -a | tail -n1)
  88                                             usedminor=${usedminor:9:1}
  89                                             echo usedminor $usedminor
  90                                             freeminor=$(($usedminor+1))
  91                                             echo freeminor $freeminor
  92                                             sudo mknod -m777 /dev/loop$freeminor b 7 $freeminor
  93                                             FREELOOP=/dev/loop$freeminor
  94                                 fi
  95                         fi
  96                         #detect fs
  97
  98                         case $PND_FSTYPE in
  99                         ISO)
 100                                 sudo /sbin/losetup $FREELOOP "$PND" #attach the pnd to the loop device
 101                                 mntline="sudo mount ${FREELOOP}" #setup the mountline for later
 102                                 #mntline="sudo mount -o loop,mode=777 $PND /mnt/pnd/$PND_NAME"
 103                                 echo "Filetype is $PND_FSTYPE";;
 104                         directory)
 105                                 #we bind the folder, now it can be treated in a unified way
 106                                 #ATENTION: -o ro doesnt work for --bind at least on 25, on 26 its possible using remount, may have changed on 27
 107                                 mntline="sudo mount --bind -o ro \"${PND}\" "
 108                                 echo "Filetype is $PND_FSTYPE";;
 109                         Squashfs)
 110                                 sudo /sbin/losetup $FREELOOP "$PND" #attach the pnd to the loop device
 111                                 mntline="sudo mount -t squashfs  ${FREELOOP}"
 112                                 echo "Filetype is $PND_FSTYPE";;
 113                         *)
 114                                 echo "error determining fs, output was $PND_FSTYPE"
 115                                 exit 1;;
 116                         esac
 117
 118                         echo "$mntline"
 119                         $mntline "/mnt/pnd/${PND_NAME}" #mount the pnd/folder
 120                         echo "mounting union!"
 121                         FILESYSTEM=$(mount | grep "on $MOUNTPOINT " | grep -v rootfs | awk '{print $5}' | tail -n1) #get filesystem appdata is on to determine aufs options
 122                         echo "Filesystem is $FILESYSTEM"
 123                         if [[ "$FILESYSTEM" = "vfat" ]]; then # use noplink on fat, dont on other fs's
 124                                 #append is fucking dirty, need to clean that up
 125                                 sudo mount -t aufs -o exec,noplink,dirs="$MOUNTPOINT/pandora/appdata/$PND_NAME=rw+nolwh":"/mnt/pnd/$PND_NAME=rr$append" none "/mnt/utmp/$PND_NAME"
 126                                 # put union on top
 127                         else
 128                                 sudo mount -t aufs -o exec,dirs="$MOUNTPOINT/pandora/appdata/$PND_NAME=rw+nolwh":"/mnt/pnd/$PND_NAME=rr$append" none "/mnt/utmp/$PND_NAME"
 129                                 # put union on top
 130                         fi
 131                 else #the pnd is already mounted but a mount was requested with a different basename/uid, just link it there
 132                               echo $LOOP already mounted on $loopmountedon skipping losetup - putting link to old mount
 133                               #this is bullshit
 134                               sudo rmdir "/mnt/utmp/$PND_NAME"
 135                               sudo ln -s $loopmountedon "/mnt/utmp/$PND_NAME"
 136                 fi
 137
 138         else
 139                 echo "Union already mounted"
 140         fi
 141 }
 142
 143 unmountPnd() {
 144         sudo umount "/mnt/utmp/$PND_NAME" #umount union
 145         if [ -z "$(mount |grep utmp/$PND_NAME|cut -f3 -d' ')" ]; then
 146                 # check if the umount was successfull, if it wasnt it would mean that theres still something running so we skip this stuff,
 147                 # this WILL lead to clutter if it happens, so we should make damn sure it never happens
 148                 # umount the actual pnd
 149                 sudo umount "/mnt/pnd/$PND_NAME"
 150                 if [ -z "$(mount |grep pnd/$PND_NAME|cut -f3 -d' ')" ]; then
 151                         #delete folders created by aufs if empty
 152                         sudo rmdir "$MOUNTPOINT/pandora/appdata/$PND_NAME/.wh..wh.plnk" 2>/dev/null
 153                         sudo rmdir "$MOUNTPOINT/pandora/appdata/$PND_NAME/.wh..wh..tmp" 2>/dev/null
 154                         #delete appdata folder and ancestors if empty
 155                         sudo rmdir -p "$MOUNTPOINT/pandora/appdata/$PND_NAME/" 2>/dev/null
 156                         #delete tmp mountpoint
 157                         if [ -d "/mnt/utmp/$PND_NAME" ];then
 158                                 sudo rmdir "/mnt/utmp/$PND_NAME"
 159                         else
 160                                 sudo rm "/mnt/utmp/$PND_NAME" >/dev/null 2>&1
 161                         fi
 162                         if [ $PND_FSTYPE = ISO ] || [ $PND_FSTYPE = Squashfs ]; then # check if we where running an iso, clean up loop device if we did
 163                                 LOOP=$(sudo losetup -a | grep "$(basename $PND)" | tail -n1 | awk -F: '{print $1}')
 164                                 sudo /sbin/losetup -d $LOOP
 165                                 sudo rm $LOOP
 166                         fi
 167                         if [ -d /mnt/pnd/$PND_NAME ];then
 168                                 sudo rmdir "/mnt/pnd/$PND_NAME" #delete pnd mountpoint
 169                         fi
 170
 171                         echo cleanup done
 172                 else
 173                         echo umount failed, didnt clean up. Process still using this FS :
 174                         list_using_fs "/mnt/pnd/$PND_NAME"
 175                 fi
 176         else
 177                 echo umount failed, didnt clean up. Process still using this FS :
 178                 list_using_fs "/mnt/utmp/$PND_NAME"
 179         fi
 180 }
 181
 182 main() {
 183         if [ $nox ]; then #the app doesnt want x to run, so we kill it and restart it once the app quits
 184                 if [ ! $(pidof X) ]; then
 185                         unset $nox
 186                 else
 187                         applist=$(lsof /usr/lib/libX11.so.6 | awk '{print $1}'| sort | uniq)
 188                         whitelist=$(cat ~/pndtest/whitelist) #adjust this to a fixed whitelist, maybe in the config dir
 189                         filteredlist=$(echo -e "$applist\n\n$whitelist\n\n$whitelist" | sort | uniq -u) #whitelist appended two times so those items are always removed
 190                         if [ ${#filteredlist} -ge 1 ]; then
 191                                 message=$(echo -e "The following applications are still running, are you sure you want to close x? \n$filteredlist")
 192                                 echo -e "?ae[34me[30m?"
 193                                 xmessage -center "$message", -buttons yes,no
 194                                 if [ $? = 102 ]; then
 195                                         exit 1
 196                                 fi
 197                                 sudo /etc/init.d/slim-init stop
 198                                 sleep 5s
 199                         else
 200                                 echo -e "?ae[34me[30m?"
 201                                 xmessage -center "killing x, nothing of value will be lost", -buttons ok,cancel
 202                                 if [ $? = 102 ]; then
 203                                         exit 1
 204                                 fi
 205                                 # close x now, do we want to use slim stop or just kill x?
 206                                 sudo /etc/init.d/slim-init stop
 207                                 sleep 5s
 208                         fi
 209                 fi
 210         fi
 211
 212         case $ACTION in
 213         mount)  mountPnd;;
 214         umount) unmountPnd;;
 215         run)
 216                 mountPnd
 217                 oPWD=$(pwd)
 218                 runApp
 219                 cd $oPWD
 220                 unmountPnd;;
 221         esac
 222
 223
 224         if [ $nox ]; then #restart x if it was killed
 225                 echo "starting x in 5s"
 226                 sleep 5
 227                 sudo /etc/init.d/slim-init start
 228         fi
 229 }
 230
 231 ######################################################################################
 232 ####    Parse arguments
 233 ##
 234
 235 TEMP=`getopt -o p:e:a:b:s:m::u::n::x::j:c: -- "$@"`
 236
 237 if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
 238
 239 # Note the quotes around `$TEMP': they are essential!
 240 eval set -- "$TEMP"
 241
 242 ACTION=run
 243 while true ; do
 244         case "$1" in
 245                 -p) PND=$2;shift 2;;
 246                 -e) EXENAME=$2;shift 2 ;;
 247                 -b) PND_NAME=$2;shift 2;;
 248                 -s) STARTDIR=$2;shift 2;;
 249                 -m) ACTION=mount;shift 2;;
 250                 -u) ACTION=umount;shift 2;;
 251                 -x) nox=1;shift 2;;
 252                 -j) append=$2;shift 2;;
 253                 -c) cpuspeed=$2;shift 2;;
 254                 -a)
 255                         case "$2" in
 256                                 "") echo "no arguments"; shift 2 ;;
 257                                 *)  echo "args set to \`$2'" ;ARGUMENTS=$2;shift 2 ;;
 258                         esac ;;
 259                 --) shift ; break ;;
 260                 *) echo "Error while parsing arguments!" ; exit 1 ;;
 261         esac
 262 done
 263 if [ ! -e "$PND" ]; then #check if theres a pnd suplied, need to clean that up a bit more
 264         echo "ERROR: selected PND file does not exist!"
 265         showHelp
 266         exit 1
 267 fi
 268 if [ ! "$EXENAME" ] && [[ "$ACTION" = "run" ]]; then
 269         echo "ERROR: no executable name provided!"
 270         showHelp
 271         exit 1
 272 fi
 273
 274
 275 PND_FSTYPE=$(file -b "$PND" | awk '{ print $1 }')       # is -p a zip/iso or folder?
 276 MOUNTPOINT=$(df "$PND" | tail -1|cut -f 1 -d ' ')       # find out on which mountpoint the pnd is
 277 if [ ! -d "$MOUNTPOINT" ] || [ $MOUNTPOINT = "/" ]; then
 278         MOUNTPOINT="";
 279 fi
 280
 281 #PND_NAME really should be something sensible and somewhat unique
 282 #if -b is set use that as pnd_name, else generate it from PND
 283 #get basename (strip extension if file) for union mountpoints etc, maybe  this should be changed to something specified inside the xml
 284 #this should probably be changed to .... something more sensible
 285 #currently only everything up to the first '.' inside the filenames is used.
 286 PND_NAME=${PND_NAME:-"$(basename $PND | cut -d'.' -f1)"}
 287
 288 if [ $nox ]; then
 289         main > "/tmp/pndrun${PND_NAME}_$ACTION.out" 2>&1 &
 290         disown
 291 else
 292         main > "/tmp/pndrun${PND_NAME}_$ACTION.out" 2>&1
 293 fi
 294