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 $p;done
  29 }
  30
  31 runApp() {
  32         cd "/mnt/utmp/$PND_NAME"                # cd to union mount
  33         if [ "$STARTDIR" ] && [ -d "$STARTDIR" ]; then
  34                 cd "$STARTDIR";                 # cd to folder specified by the optional arg -s
  35         fi
  36         echo "[------------------------------]{ App start }[---------------------------------]"
  37         LD_LIBRARY_PATH="/mnt/utmp/$PND_NAME" "./$EXENAME" $ARGUMENTS
  38                                                 # execute app with ld_lib_path set to the union mount, a bit evil but i think its a good solution
  39
  40         #the app could have exited now, OR it went into bg, we still need to wait in that case till it really quits!
  41         PID=$(pidof -o %PPID -x \"$EXENAME\")   # get pid of app
  42         while [ "$PID" ];do                     # wait till we get no pid back for tha app, again a bit ugly, but it works
  43                 sleep 10s
  44                 PID=`pidof -o %PPID -x \"$EXENAME\"`
  45         done
  46         echo "[-------------------------------]{ App end }[----------------------------------]"
  47 }
  48
  49 mountPnd() {
  50         #create mountpoints, check if they exist already first to avoid annoying error messages
  51         if ! [ -d "/mnt/pnd/${PND_NAME}" ]; then
  52                 sudo mkdir -p "/mnt/pnd/${PND_NAME}"            #mountpoint for iso, ro
  53         fi
  54         #writeable dir for union
  55         if ! [ -d "${MOUNTPOINT}/pandora/appdata/${PND_NAME}" ]; then
  56                 sudo mkdir -p "${MOUNTPOINT}/pandora/appdata/${PND_NAME}"
  57                 sudo chmod -R a+xrw "${MOUNTPOINT}/pandora/appdata/${PND_NAME}" 2>/dev/null
  58         fi
  59         if ! [ -d "/mnt/utmp/${PND_NAME}" ]; then
  60                 sudo mkdir -p "/mnt/utmp/${PND_NAME}"           # union over the two
  61         fi
  62         rm  /tmp/cpuspeed
  63         if [ ${cpuspeed:-$(cat /proc/pandora/cpu_mhz_max)} -gt $(cat /proc/pandora/cpu_mhz_max) ]; then
  64            cpuselection=$(zenity --title="set cpu speed" --height=240 --list --column "id" --column "Please select" --hide-column=1 --text="$PND_NAME suggests to set the cpu speed to $cpuspeed MHz to make it run properly.\n\n Do you want to change the cpu speed? (current speed: $(cat /proc/pandora/cpu_mhz_max) MHz)" "yes" "Yes, set it to that value" "custom" "Yes, select custom value" "no" "No, don't change the speed")
  65           if [ ${cpuselection} = "yes" ]; then
  66                 cat /proc/pandora/cpu_mhz_max > /tmp/cpuspeed
  67                 sudo /usr/pandora/scripts/op_cpuspeed.sh $cpuspeed
  68           elif [ ${cpuselection} = "custom" ]; then
  69                 cat /proc/pandora/cpu_mhz_max > /tmp/cpuspeed
  70                 sudo /usr/pandora/scripts/op_cpuspeed.sh
  71         fi
  72         #gksudo --message ", enter your password to allow" "echo $cpuspeed>/proc/pandora/cpu_mhz_max"
  73         fi
  74
  75         #is the union already mounted? if not mount evrything, else launch the stuff
  76         mount | grep "on /mnt/utmp/${PND_NAME} type"
  77         if [ $? -ne 0 ];then
  78                 echo not mounted on loop yet, doing so
  79                 #check if pnd is already attached to loop
  80                 LOOP=$(sudo losetup -a | grep "$PND" | tail -n1 | awk -F: '{print $1}')
  81                 #check if the loop device is already mounted
  82                 if ! [ -z "$LOOP" ];then
  83                         loopmountedon=$( mount | grep "$(mount | grep "$LOOP" | awk '{print $3}')" | grep utmp | awk '{print $3}' )
  84                 else
  85                         loopmountedon=""
  86                 fi
  87                 echo "LoopMountedon: $loopmountedon"
  88                 if [ ! "$loopmountedon" ]; then #check if the pnd is already attached to some loop device but not used
  89                         FREELOOP=$LOOP
  90                         #reuse existing loop
  91                         if [ ! "$LOOP" ]; then
  92                                 FREELOOP=$(sudo /sbin/losetup -f) #get first free loop device
  93                                 echo $FREELOOP
  94                                 if [ ! "$FREELOOP" ]; then  # no free loop device, create a new one
  95                                             #find a free loop device and use it
  96                                             usedminor=$(sudo /sbin/losetup -a | tail -n1)
  97                                             usedminor=${usedminor:9:1}
  98                                             echo usedminor $usedminor
  99                                             freeminor=$(($usedminor+1))
 100                                             echo freeminor $freeminor
 101                                             sudo mknod -m777 /dev/loop$freeminor b 7 $freeminor
 102                                             FREELOOP=/dev/loop$freeminor
 103                                 fi
 104                         fi
 105                         #detect fs
 106
 107                         case $PND_FSTYPE in
 108                         ISO)
 109                                 sudo /sbin/losetup $FREELOOP "$PND" #attach the pnd to the loop device
 110                                 mntline="sudo mount ${FREELOOP}" #setup the mountline for later
 111                                 #mntline="sudo mount -o loop,mode=777 $PND /mnt/pnd/$PND_NAME"
 112                                 echo "Filetype is $PND_FSTYPE";;
 113                         directory)
 114                                 #we bind the folder, now it can be treated in a unified way
 115                                 #ATENTION: -o ro doesnt work for --bind at least on 25, on 26 its possible using remount, may have changed on 27
 116                                 mntline="sudo mount --bind -o ro \"${PND}\" "
 117                                 echo "Filetype is $PND_FSTYPE";;
 118                         Squashfs)
 119                                 sudo /sbin/losetup $FREELOOP "$PND" #attach the pnd to the loop device
 120                                 mntline="sudo mount -t squashfs  ${FREELOOP}"
 121                                 echo "Filetype is $PND_FSTYPE";;
 122                         *)
 123                                 echo "error determining fs, output was $PND_FSTYPE"
 124                                 exit 1;;
 125                         esac
 126
 127                         echo "$mntline"
 128                         $mntline "/mnt/pnd/${PND_NAME}" #mount the pnd/folder
 129                         echo "mounting union!"
 130                         FILESYSTEM=$(mount | grep "on $MOUNTPOINT " | grep -v rootfs | awk '{print $5}' | tail -n1) #get filesystem appdata is on to determine aufs options
 131                         echo "Filesystem is $FILESYSTEM"
 132                         if [[ "$FILESYSTEM" = "vfat" ]]; then # use noplink on fat, dont on other fs's
 133                                 #append is fucking dirty, need to clean that up
 134                                 sudo mount -t aufs -o exec,noplink,dirs="$MOUNTPOINT/pandora/appdata/$PND_NAME=rw+nolwh":"/mnt/pnd/$PND_NAME=rr$append" none "/mnt/utmp/$PND_NAME"
 135                                 # put union on top
 136                         else
 137                                 sudo mount -t aufs -o exec,dirs="$MOUNTPOINT/pandora/appdata/$PND_NAME=rw+nolwh":"/mnt/pnd/$PND_NAME=rr$append" none "/mnt/utmp/$PND_NAME"
 138                                 # put union on top
 139                         fi
 140                 else #the pnd is already mounted but a mount was requested with a different basename/uid, just link it there
 141                               echo $LOOP already mounted on $loopmountedon skipping losetup - putting link to old mount
 142                               #this is bullshit
 143                               sudo rmdir "/mnt/utmp/$PND_NAME"
 144                               sudo ln -s $loopmountedon "/mnt/utmp/$PND_NAME"
 145                 fi
 146
 147         else
 148                 echo "Union already mounted"
 149         fi
 150 }
 151
 152 unmountPnd() {
 153         sudo umount "/mnt/utmp/$PND_NAME" #umount union
 154         if [ -f /tmp/cpuspeed ]; then
 155                 cpuspeed=$(cat /tmp/cpuspeed)
 156                 sudo /usr/pandora/scripts/op_cpuspeed.sh $cpuspeed
 157                 rm /tmp/cpuspeed
 158         fi
 159         if [ -z "$(mount |grep utmp/$PND_NAME|cut -f3 -d' ')" ]; then
 160                 # check if the umount was successfull, if it wasnt it would mean that theres still something running so we skip this stuff,
 161                 # this WILL lead to clutter if it happens, so we should make damn sure it never happens
 162                 # umount the actual pnd
 163                 sudo umount "/mnt/pnd/$PND_NAME"
 164                 if [ -z "$(mount |grep pnd/$PND_NAME|cut -f3 -d' ')" ]; then
 165                         #delete folders created by aufs if empty
 166                         sudo rmdir "$MOUNTPOINT/pandora/appdata/$PND_NAME/.wh..wh.plnk" 2>/dev/null
 167                         sudo rmdir "$MOUNTPOINT/pandora/appdata/$PND_NAME/.wh..wh..tmp" 2>/dev/null
 168                         #delete appdata folder and ancestors if empty
 169                         sudo rmdir -p "$MOUNTPOINT/pandora/appdata/$PND_NAME/" 2>/dev/null
 170                         #delete tmp mountpoint
 171                         if [ -d "/mnt/utmp/$PND_NAME" ];then
 172                                 sudo rmdir "/mnt/utmp/$PND_NAME"
 173                         else
 174                                 sudo rm "/mnt/utmp/$PND_NAME" >/dev/null 2>&1
 175                         fi
 176                         if [ $PND_FSTYPE = ISO ] || [ $PND_FSTYPE = Squashfs ]; then # check if we where running an iso, clean up loop device if we did
 177                                 LOOP=$(sudo losetup -a | grep "$(basename $PND)" | tail -n1 | awk -F: '{print $1}')
 178                                 sudo /sbin/losetup -d $LOOP
 179                                 sudo rm $LOOP
 180                         fi
 181                         if [ -d /mnt/pnd/$PND_NAME ];then
 182                                 sudo rmdir "/mnt/pnd/$PND_NAME" #delete pnd mountpoint
 183                         fi
 184
 185                         echo cleanup done
 186                 else
 187                         echo umount failed, didnt clean up. Process still using this FS :
 188                         list_using_fs "/mnt/pnd/$PND_NAME"
 189                 fi
 190         else
 191                 echo umount failed, didnt clean up. Process still using this FS :
 192                 list_using_fs "/mnt/utmp/$PND_NAME"
 193         fi
 194 }
 195
 196 main() {
 197         if [ $nox ]; then #the app doesnt want x to run, so we kill it and restart it once the app quits
 198                 if [ ! $(pidof X) ]; then
 199                         unset $nox
 200                 else
 201                         applist=$(lsof /usr/lib/libX11.so.6 | awk '{print $1}'| sort | uniq)
 202                         whitelist=$(cat ~/pndtest/whitelist) #adjust this to a fixed whitelist, maybe in the config dir
 203                         filteredlist=$(echo -e "$applist\n\n$whitelist\n\n$whitelist" | sort | uniq -u) #whitelist appended two times so those items are always removed
 204                         if [ ${#filteredlist} -ge 1 ]; then
 205                                 message=$(echo -e "The following applications are still running, are you sure you want to close x? \n$filteredlist")
 206                                 echo -e "?ae[34me[30m?"
 207                                 xmessage -center "$message", -buttons yes,no
 208                                 if [ $? = 102 ]; then
 209                                         exit 1
 210                                 fi
 211                                 sudo /etc/init.d/slim-init stop
 212                                 sleep 5s
 213                         else
 214                                 echo -e "?ae[34me[30m?"
 215                                 xmessage -center "killing x, nothing of value will be lost", -buttons ok,cancel
 216                                 if [ $? = 102 ]; then
 217                                         exit 1
 218                                 fi
 219                                 # close x now, do we want to use slim stop or just kill x?
 220                                 sudo /etc/init.d/slim-init stop
 221                                 sleep 5s
 222                         fi
 223                 fi
 224         fi
 225
 226         case $ACTION in
 227         mount)  mountPnd;;
 228         umount) unmountPnd;;
 229         run)
 230                 mountPnd
 231                 oPWD=$(pwd)
 232                 runApp
 233                 cd $oPWD
 234                 unmountPnd;;
 235         esac
 236
 237
 238         if [ $nox ]; then #restart x if it was killed
 239                 echo "starting x in 5s"
 240                 sleep 5
 241                 sudo /etc/init.d/slim-init start
 242         fi
 243 }
 244
 245 ######################################################################################
 246 ####    Parse arguments
 247 ##
 248
 249 TEMP=`getopt -o p:e:a:b:s:m::u::n::x::j:c: -- "$@"`
 250
 251 if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
 252
 253 # Note the quotes around `$TEMP': they are essential!
 254 eval set -- "$TEMP"
 255
 256 ACTION=run
 257 while true ; do
 258         case "$1" in
 259                 -p) PND=$2;shift 2;;
 260                 -e) EXENAME=$2;shift 2 ;;
 261                 -b) PND_NAME=$2;shift 2;;
 262                 -s) STARTDIR=$2;shift 2;;
 263                 -m) ACTION=mount;shift 2;;
 264                 -u) ACTION=umount;shift 2;;
 265                 -x) nox=1;shift 2;;
 266                 -j) append=$2;shift 2;;
 267                 -c) cpuspeed=$2;shift 2;;
 268                 -a)
 269                         case "$2" in
 270                                 "") echo "no arguments"; shift 2 ;;
 271                                 *)  echo "args set to \`$2'" ;ARGUMENTS=$2;shift 2 ;;
 272                         esac ;;
 273                 --) shift ; break ;;
 274                 *) echo "Error while parsing arguments!" ; exit 1 ;;
 275         esac
 276 done
 277 if [ ! -e "$PND" ]; then #check if theres a pnd suplied, need to clean that up a bit more
 278         echo "ERROR: selected PND file does not exist!"
 279         showHelp
 280         exit 1
 281 fi
 282 if [ ! "$EXENAME" ] && [[ "$ACTION" = "run" ]]; then
 283         echo "ERROR: no executable name provided!"
 284         showHelp
 285         exit 1
 286 fi
 287
 288
 289 PND_FSTYPE=$(file -b "$PND" | awk '{ print $1 }')       # is -p a zip/iso or folder?
 290 MOUNTPOINT=$(df "$PND" | tail -1|awk '{print $6}')      # find out on which mountpoint the pnd is
 291 if [ ! -d "$MOUNTPOINT" ] || [ $MOUNTPOINT = "/" ]; then
 292         MOUNTPOINT="";
 293 fi
 294
 295 #PND_NAME really should be something sensible and somewhat unique
 296 #if -b is set use that as pnd_name, else generate it from PND
 297 #get basename (strip extension if file) for union mountpoints etc, maybe  this should be changed to something specified inside the xml
 298 #this should probably be changed to .... something more sensible
 299 #currently only everything up to the first '.' inside the filenames is used.
 300 PND_NAME=${PND_NAME:-"$(basename $PND | cut -d'.' -f1)"}
 301
 302 if [ $nox ]; then
 303         main > "/tmp/pndrun${PND_NAME}_$ACTION.out" 2>&1 &
 304         disown
 305 else
 306         main > "/tmp/pndrun${PND_NAME}_$ACTION.out" 2>&1
 307 fi
 308
 309