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]
5 # arguments can be inside -e, -a is optional
7 #/etc/sudoers needs to be adjusted if you touch any of the sudo lines
9 # look at the comments in the nox part, adjust
11 #use "lsof /usr/lib/libX11.so.6 | awk '{print $1}'| sort | uniq > whitelist" with nothing running to generate the whitelist
13 #launch the script with nohup for -x to work!
16 #validate params better
17 #make uid/basename mandatory (and rename var, its confusing!)
18 #find a clean way of shutting down x without a fixed dm, mabye avoid nohup usage somehow
22 TEMP=`getopt -o p:e:a:b:s:m::u::n::x:: -- "$@"`
24 if [ $? != 0 ] ; then echo "Terminating..." >&2 ; exit 1 ; fi
26 # Note the quotes around `$TEMP': they are essential!
31 -p) echo "pnd set to \`$2'" ;PND=$2;shift 2;;
32 -e) echo "exec set to \`$2'" ;EXENAME=$2;shift 2 ;;
33 # -n) echo "n set, no union pls!";NOUNION=1;shift 2;; # we will reuse -n soon,stop using it if you still did!
34 -b) echo "BASENAME set to $2";BASENAME=$2;shift 2;;
35 -s) echo "startdir set to $2";STARTDIR=$2;shift 2;;
36 -m) echo "mount";mount=1;shift 2;;
37 -u) echo "umount";umount=1;shift 2;;
38 -x) echo "no x";nox=1;shift 2;;
41 "") echo "no arguments"; shift 2 ;;
42 *) echo "args set to \`$2'" ;ARGUMENTS=$2;shift 2 ;;
45 *) echo "Error while parsing arguments!" ; exit 1 ;;
49 if [ ! $PND ]; then #check if theres a pnd suplied, need to clean that up a bit more
50 echo "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]"
53 if [ ! $EXENAME ]; then
54 if [ ! $mount ] && [ ! $umount ]; then
55 echo "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]"
56 echo "Usage for mounting/umounting pnd_run.sh -p your.pnd -b uid -m or -u"
62 if [ $nox ]; then #the app doesnt want x to run, so we kill it and restart it once the app quits
63 applist=$(lsof /usr/lib/libX11.so.6 | awk '{print $1}'| sort | uniq)
64 whitelist=$(cat ~/pndtest/whitelist) #adjust this to a fixed whitelist, maybe in the config dir
65 filteredlist=$(echo -e "$applist\n\n$whitelist\n\n$whitelist" | sort | uniq -u) #whitelist appended two times so those items are always removed
66 if [ ${#filteredlist} -ge 1 ]; then
67 message=$(echo -e "The following applications are still running, are you sure you want to close x? \n$filteredlist")
69 xmessage -center "$message", -buttons yes,no
73 sudo /etc/init.d/gdm stop
77 xmessage -center "killing x, nothing of value will be lost", -buttons ok,cancel
81 # close x now, do we want to use gdm stop or just kill x?
82 sudo /etc/init.d/gdm stop
88 DFS=$(file -b $PND | awk '{ print $1 }') #is -p a zip/iso or folder?
89 MOUNTPOINT=$(df $PND | sed -ne 's/.*\% \(\S*\)/\1/p' | tail -n1) #find out on which mountpoint the pnd is
90 FILESYSTEM=$(mount | grep "on $MOUNTPOINT " | awk '{print $5}') #get filesystem appdata is on to determine aufs options
91 echo "Filesystem is $FILESYSTEM"
92 #if the pnd is on / set mountpoint to "" so we dont and up with // at the start,
93 #this is to make sure sudo doesnt get confused
94 if [ $MOUNTPOINT = "/" ]; then MOUNTPOINT=""; fi
95 echo "mountpoint: $MOUNTPOINT"
97 #BASENAME really should be something sensible and somewhat unique
98 #if -b is set use that as basename, else generate it from PND
99 #get basename (strip extension if file) for union mountpoints etc, maybe this should be changed to something specified inside the xml
100 #this should probably be changed to .... something more sensible
101 if [ ! $BASENAME ]; then BASENAME=$(basename "$PND" | cut -d'.' -f1) ; fi
109 #create mountpoints, check if they exist already first to avoid annoying error messages
110 if [ ! -d /mnt/pnd/$BASENAME ]; then sudo mkdir -p /mnt/pnd/$BASENAME ; fi #mountpoint for iso, ro
111 #writeable dir for union
112 if [ ! -d $MOUNTPOINT/pandora/appdata/$BASENAME ]; then sudo mkdir -p $MOUNTPOINT/pandora/appdata/$BASENAME; sudo chmod -R a+xrw $MOUNTPOINT/pandora/appdata/$BASENAME; fi
113 if [ ! -d /mnt/utmp/$BASENAME ]; then sudo mkdir -p /mnt/utmp/$BASENAME; fi #union over the two
117 if [ ! $umount ]; then
118 #is the union already mounted? if not mount evrything, else launch the stuff
119 mount | grep "on /mnt/utmp/$BASENAME type" # > /dev/null
120 if [ ! $? -eq 0 ]; then
122 FREELOOP=$(sudo /sbin/losetup -f) #get first free loop device
123 if [ ! $FREELOOP ]; then # no free loop device, create a new one
124 #find a free loop device and use it
125 usedminor=$(sudo /sbin/losetup -a | tail -n1)
126 usedminor=${usedminor:9:1}
127 echo usedminor $usedminor
128 freeminor=$(($usedminor+1))
129 echo freeminor $freeminor
130 sudo mknod -m777 /dev/loop$freeminor b 7 $freeminor
131 FREELOOP=/dev/loop$freeminor
135 if [ $DFS = ISO ]; then
136 sudo /sbin/losetup $FREELOOP $PND #attach the pnd to the loop device
137 mntline="sudo mount $FREELOOP /mnt/pnd/$BASENAME/" #setup the mountline for later
138 # mntline="sudo mount -o loop,mode=777 $PND /mnt/pnd/$BASENAME"
139 echo "Filetype is $DFS"
140 elif [ $DFS = directory ]; then
141 mntline="sudo mount --bind -o ro $PND /mnt/pnd/$BASENAME"
142 #we bind the folder, now it can be treated in a unified way ATENTION: -o ro doesnt work for --bind at least on 25, on 26 its possible using remount, may have changed on 27
143 echo "Filetype is $DFS"
144 elif [ $DFS = Squashfs ]; then
145 sudo /sbin/losetup $FREELOOP $PND #attach the pnd to the loop device
146 mntline="sudo mount -t squashfs $FREELOOP /mnt/pnd/$BASENAME"
147 echo "Filetype is $DFS"
149 echo "error determining fs, output was $DFS"
155 $mntline #mount the pnd/folder
156 echo "mounting union!"
157 if [ $FILESYSTEM = vfat ]; then # use noplink on fat, dont on other fs's
158 sudo mount -t aufs -o exec,noplink,dirs=$MOUNTPOINT/pandora/appdata/$BASENAME=rw+nolwh:/mnt/pnd/$BASENAME=rr none /mnt/utmp/$BASENAME # put union on top
160 sudo mount -t aufs -o exec,dirs=$MOUNTPOINT/pandora/appdata/$BASENAME=rw+nolwh:/mnt/pnd/$BASENAME=rr none /mnt/utmp/$BASENAME # put union on top
164 echo "Union already mounted"
167 if [ $mount ]; then echo "mounted /mnt/utmp/$BASENAME"; exit 1; fi; #mount only, die here
169 cd /mnt/utmp/$BASENAME # cd to union mount
170 if [ $STARTDIR ]; then cd $STARTDIR; fi #cd to folder specified by the optional arg -s
171 LD_LIBRARY_PATH=/mnt/utmp/$BASENAME ./$EXENAME $ARGUMENTS # execute app with ld_lib_path set to the union mount, a bit evil but i think its a good solution
172 #the app could have exited now, OR it went into bg, we still need to wait in that case till it really quits!
173 PID=`pidof -o %PPID -x $EXENAME` #get pid of app
174 while [ "$PID" ] #wait till we get no pid back for tha app, again a bit ugly, but it works
177 PID=`pidof -o %PPID -x $EXENAME`
182 cd $oCWD #cd out of the mountpoint so we can umount, doesnt really matter to where...
184 echo "-u set, nothing to do here"
189 sudo umount /mnt/utmp/$BASENAME #umount union
190 if [ $? -eq 0 ]; then # check if the umount was successfull, if it wasnt it would mean that theres still something running so we skip this stuff, this WILL lead to clutter if it happens, so we should make damn sure it never happens
191 #umount the actual pnd
192 sudo umount /mnt/pnd/$BASENAME
193 #delete folders created by aufs if empty
194 sudo rmdir $MOUNTPOINT/pandora/appdata/$BASENAME/.wh..wh.plnk
195 sudo rmdir $MOUNTPOINT/pandora/appdata/$BASENAME/.wh..wh..tmp
196 #delete appdata folder and ancestors if empty
197 sudo rmdir -p $MOUNTPOINT/pandora/appdata/$BASENAME/
198 #delete tmp mountpoint
199 sudo rmdir /mnt/utmp/$BASENAME;
200 if [ $DFS = ISO ] || [ $DFS = Squashfs ]; then # check if we where running an iso, clean up loop device if we did
201 sudo /sbin/losetup -d $FREELOOP
204 sudo rmdir /mnt/pnd/$BASENAME #delete pnd mountpoint
207 if [ $nox ]; then #restart x if it was killed
208 echo "starting x in 5s"
210 sudo /etc/init.d/gdm start