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Diffstat (limited to 'prebuilt/fix_permissions.sh')
| -rwxr-xr-x | prebuilt/fix_permissions.sh | 476 |
1 files changed, 476 insertions, 0 deletions
diff --git a/prebuilt/fix_permissions.sh b/prebuilt/fix_permissions.sh new file mode 100755 index 000000000..f2c8e2ac4 --- /dev/null +++ b/prebuilt/fix_permissions.sh @@ -0,0 +1,476 @@ +#!/sbin/sh +# +# Warning: if you want to run this script in cm-recovery change the above to #!/sbin/sh +# +# fix_permissions - fixes permissions on Android data directories after upgrade +# shade@chemlab.org +# +# original concept: http://blog.elsdoerfer.name/2009/05/25/android-fix-package-uid-mismatches/ +# implementation by: Cyanogen +# improved by: ankn, smeat, thenefield, farmatito, rikupw, Kastro +# +# v1.1-v1.31r3 - many improvements and concepts from XDA developers. +# v1.34 through v2.00 - A lot of frustration [by Kastro] +# v2.01 - Completely rewrote the script for SPEED, thanks for the input farmatito +# /data/data depth recursion is tweaked; +# fixed single mode; +# functions created for modularity; +# logging can be disabled via CLI for more speed; +# runtime computation added to end (Runtime: mins secs); +# progress (current # of total) added to screen; +# fixed CLI argument parsing, now you can have more than one option!; +# debug cli option; +# verbosity can be disabled via CLI option for less noise;; +# [by Kastro, (XDA: k4str0), twitter;mattcarver] +# v2.02 - ignore com.htc.resources.apk if it exists and minor code cleanups, +# fix help text, implement simulated run (-s) [farmatito] +# v2.03 - fixed chown group ownership output [Kastro] + +VERSION="2.03" + +# Defaults +DEBUG=0 # Debug off by default +LOGGING=0 # Logging on by default +VERBOSE=0 # Verbose on by default + +# Messages +UID_MSG="Changing user ownership for:" +GID_MSG="Changing group ownership for:" +PERM_MSG="Changing permissions for:" + +# Programs needed +ECHO="busybox echo" +GREP="busybox grep" +EGREP="busybox egrep" +CAT="busybox cat" +CHOWN="busybox chown" +CHMOD="busybox chmod" +MOUNT="busybox mount" +UMOUNT="busybox umount" +CUT="busybox cut" +FIND="busybox find" +LS="busybox ls" +TR="busybox tr" +TEE="busybox tee" +TEST="busybox test" +SED="busybox sed" +RM="busybox rm" +WC="busybox wc" +EXPR="busybox expr" +DATE="busybox date" + +# Initialise vars +CODEPATH="" +UID="" +GID="" +PACKAGE="" +REMOVE=0 +NOSYSTEM=0 +ONLY_ONE="" +SIMULATE=0 +SYSREMOUNT=0 +SYSMOUNT=0 +DATAMOUNT=0 +SYSSDMOUNT=0 +FP_STARTTIME=$( $DATE +"%m-%d-%Y %H:%M:%S" ) +FP_STARTEPOCH=$( $DATE +%s ) + +fp_usage() +{ + $ECHO "Usage $0 [OPTIONS] [APK_PATH]" + $ECHO " -d turn on debug" + $ECHO " -f fix only package APK_PATH" + $ECHO " -l disable logging for this run (faster)" + $ECHO " -r remove stale data directories" + $ECHO " of uninstalled packages while fixing permissions" + $ECHO " -s simulate only" + $ECHO " -u check only non-system directories" + $ECHO " -v disable verbosity for this run (less output)" + $ECHO " -V print version" + $ECHO " -h this help" +} + +fp_parseargs() +{ + # Parse options + while $TEST $# -ne 0; do + case "$1" in + -d) + DEBUG=1 + ;; + -f) + if $TEST $# -lt 2; then + $ECHO "$0: missing argument for option $1" + exit 1 + else + if $TEST $( $ECHO $2 | $CUT -c1 ) != "-"; then + ONLY_ONE=$2 + shift; + else + $ECHO "$0: missing argument for option $1" + exit 1 + fi + fi + ;; + -r) + REMOVE=1 + ;; + -s) + SIMULATE=1 + ;; + -l) + if $TEST $LOGGING -eq 0; then + LOGGING=1 + else + LOGGING=0 + fi + ;; + -v) + if $TEST $VERBOSE -eq 0; then + VERBOSE=1 + else + VERBOSE=0 + fi + ;; + -u) + NOSYSTEM=1 + ;; + -V) + $ECHO "$0 $VERSION" + exit 0 + ;; + -h) + fp_usage + exit 0 + ;; + -*) + $ECHO "$0: unknown option $1" + $ECHO + fp_usage + exit 1 + ;; + esac + shift; + done +} + +fp_print() +{ + MSG=$@ + if $TEST $LOGGING -eq 1; then + $ECHO $MSG | $TEE -a $LOG_FILE + else + $ECHO $MSG + fi +} + +fp_start() +{ + if $TEST $SIMULATE -eq 0 ; then + if $TEST $( $GREP -c " /system " "/proc/mounts" ) -ne 0; then + DEVICE=$( $GREP " /system " "/proc/mounts" | $CUT -d ' ' -f1 ) + if $TEST $DEBUG -eq 1; then + fp_print "/system mounted on $DEVICE" + fi + if $TEST $( $GREP " /system " "/proc/mounts" | $GREP -c " ro " ) -ne 0; then + $MOUNT -o remount,rw $DEVICE /system + SYSREMOUNT=1 + fi + else + $MOUNT /system > /dev/null 2>&1 + SYSMOUNT=1 + fi + + if $TEST $( $GREP -c " /data " "/proc/mounts" ) -eq 0; then + $MOUNT /data > /dev/null 2>&1 + DATAMOUNT=1 + fi + + if $TEST -e /dev/block/mmcblk0p2 && $TEST $( $GREP -c " /sd-ext " "/proc/mounts" ) -eq 0; then + $MOUNT /sd-ext > /dev/null 2>&1 + SYSSDMOUNT=1 + fi + fi + if $TEST $( $MOUNT | $GREP -c /sdcard ) -eq 0; then + LOG_FILE="/data/fix_permissions.log" + else + LOG_FILE="/sdcard/fix_permissions.log" + fi + if $TEST ! -e "$LOG_FILE"; then + > $LOG_FILE + fi + + fp_print "$0 $VERSION started at $FP_STARTTIME" +} + +fp_chown_uid() +{ + FP_OLDUID=$1 + FP_UID=$2 + FP_FILE=$3 + + #if user ownership doesn't equal then change them + if $TEST "$FP_OLDUID" != "$FP_UID"; then + if $TEST $VERBOSE -ne 0; then + fp_print "$UID_MSG $FP_FILE from '$FP_OLDUID' to '$FP_UID'" + fi + if $TEST $SIMULATE -eq 0; then + $CHOWN $FP_UID "$FP_FILE" + fi + fi +} + +fp_chown_gid() +{ + FP_OLDGID=$1 + FP_GID=$2 + FP_FILE=$3 + + #if group ownership doesn't equal then change them + if $TEST "$FP_OLDGID" != "$FP_GID"; then + if $TEST $VERBOSE -ne 0; then + fp_print "$GID_MSG $FP_FILE from '$FP_OLDGID' to '$FP_GID'" + fi + if $TEST $SIMULATE -eq 0; then + $CHOWN :$FP_GID "$FP_FILE" + fi + fi +} + +fp_chmod() +{ + FP_OLDPER=$1 + FP_OLDPER=$( $ECHO $FP_OLDPER | cut -c2-10 ) + FP_PERSTR=$2 + FP_PERNUM=$3 + FP_FILE=$4 + + #if the permissions are not equal + if $TEST "$FP_OLDPER" != "$FP_PERSTR"; then + if $TEST $VERBOSE -ne 0; then + fp_print "$PERM_MSG $FP_FILE from '$FP_OLDPER' to '$FP_PERSTR' ($FP_PERNUM)" + fi + #change the permissions + if $TEST $SIMULATE -eq 0; then + $CHMOD $FP_PERNUM "$FP_FILE" + fi + fi +} + +fp_all() +{ + FP_NUMS=$( $CAT /data/system/packages.xml | $EGREP "^<package.*serId" | $GREP -v framework-res.apk | $GREP -v com.htc.resources.apk | $WC -l ) + I=0 + $CAT /data/system/packages.xml | $EGREP "^<package.*serId" | $GREP -v framework-res.apk | $GREP -v com.htc.resources.apk | while read all_line; do + I=$( $EXPR $I + 1 ) + fp_package "$all_line" $I $FP_NUMS + done +} + +fp_single() +{ + FP_SFOUND=$( $CAT /data/system/packages.xml | $EGREP "^<package.*serId" | $GREP -v framework-res.apk | $GREP -v com.htc.resources.apk | $GREP -i $ONLY_ONE | wc -l ) + if $TEST $FP_SFOUND -gt 1; then + fp_print "Cannot perform single operation on $FP_SFOUND matched package(s)." + elif $TEST $FP_SFOUND = "" -o $FP_SFOUND -eq 0; then + fp_print "Could not find the package you specified in the packages.xml file." + else + FP_SPKG=$( $CAT /data/system/packages.xml | $EGREP "^<package.*serId" | $GREP -v framework-res.apk | $GREP -v com.htc.resources.apk | $GREP -i $ONLY_ONE ) + fp_package "${FP_SPKG}" 1 1 + fi +} + +fp_package() +{ + pkgline=$1 + curnum=$2 + endnum=$3 + CODEPATH=$( $ECHO $pkgline | $SED 's%.* codePath="\(.*\)".*%\1%' | $CUT -d '"' -f1 ) + PACKAGE=$( $ECHO $pkgline | $SED 's%.* name="\(.*\)".*%\1%' | $CUT -d '"' -f1 ) + UID=$( $ECHO $pkgline | $SED 's%.*serId="\(.*\)".*%\1%' | $CUT -d '"' -f1 ) + GID=$UID + APPDIR=$( $ECHO $CODEPATH | $SED 's%^\(.*\)/.*%\1%' ) + APK=$( $ECHO $CODEPATH | $SED 's%^.*/\(.*\..*\)$%\1%' ) + + #debug + if $TEST $DEBUG -eq 1; then + fp_print "CODEPATH: $CODEPATH APPDIR: $APPDIR APK:$APK UID/GID:$UID:$GID" + fi + + #check for existence of apk + if $TEST -e $CODEPATH; then + fp_print "Processing ($curnum of $endnum): $PACKAGE..." + + #lets get existing permissions of CODEPATH + OLD_UGD=$( $LS -ln "$CODEPATH" ) + OLD_PER=$( $ECHO $OLD_UGD | $CUT -d ' ' -f1 ) + OLD_UID=$( $ECHO $OLD_UGD | $CUT -d ' ' -f3 ) + OLD_GID=$( $ECHO $OLD_UGD | $CUT -d ' ' -f4 ) + + #apk source dirs + if $TEST "$APPDIR" = "/system/app"; then + #skip system apps if set + if $TEST "$NOSYSTEM" = "1"; then + fp_print "***SKIPPING SYSTEM APP ($PACKAGE)!" + return + fi + fp_chown_uid $OLD_UID 0 "$CODEPATH" + fp_chown_gid $OLD_GID 0 "$CODEPATH" + fp_chmod $OLD_PER "rw-r--r--" 644 "$CODEPATH" + elif $TEST "$APPDIR" = "/data/app"; then + fp_chown_uid $OLD_UID 1000 "$CODEPATH" + fp_chown_gid $OLD_GID 1000 "$CODEPATH" + fp_chmod $OLD_PER "rw-r--r--" 644 "$CODEPATH" + elif $TEST "$APPDIR" = "/data/app-private"; then + fp_chown_uid $OLD_UID 1000 "$CODEPATH" + fp_chown_gid $OLD_GID $GID "$CODEPATH" + fp_chmod $OLD_PER "rw-r-----" 640 "$CODEPATH" + fi + else + fp_print "$CODEPATH does not exist ($curnum of $endnum). Reinstall..." + if $TEST $REMOVE -eq 1; then + if $TEST -d /data/data/$PACKAGE ; then + fp_print "Removing stale dir /data/data/$PACKAGE" + if $TEST $SIMULATE -eq 0 ; then + $RM -R /data/data/$PACKAGE + fi + fi + fi + fi + + #the data/data for the package + if $TEST -d "/data/data/$PACKAGE"; then + #find all directories in /data/data/$PACKAGE + $FIND /data/data/$PACKAGE -type d -exec $LS -ldn {} \; | while read dataline; do + #get existing permissions of that directory + OLD_PER=$( $ECHO $dataline | $CUT -d ' ' -f1 ) + OLD_UID=$( $ECHO $dataline | $CUT -d ' ' -f3 ) + OLD_GID=$( $ECHO $dataline | $CUT -d ' ' -f4 ) + FILEDIR=$( $ECHO $dataline | $CUT -d ' ' -f9 ) + FOURDIR=$( $ECHO $FILEDIR | $CUT -d '/' -f5 ) + + #set defaults for iteration + ISLIB=0 + REVPERM=755 + REVPSTR="rwxr-xr-x" + REVUID=$UID + REVGID=$GID + + if $TEST "$FOURDIR" = ""; then + #package directory, perms:755 owner:$UID:$GID + fp_chmod $OLD_PER "rwxr-xr-x" 755 "$FILEDIR" + elif $TEST "$FOURDIR" = "lib"; then + #lib directory, perms:755 owner:1000:1000 + #lib files, perms:755 owner:1000:1000 + ISLIB=1 + REVPERM=755 + REVPSTR="rwxr-xr-x" + REVUID=1000 + REVGID=1000 + fp_chmod $OLD_PER "rwxr-xr-x" 755 "$FILEDIR" + elif $TEST "$FOURDIR" = "shared_prefs"; then + #shared_prefs directories, perms:771 owner:$UID:$GID + #shared_prefs files, perms:660 owner:$UID:$GID + REVPERM=660 + REVPSTR="rw-rw----" + fp_chmod $OLD_PER "rwxrwx--x" 771 "$FILEDIR" + elif $TEST "$FOURDIR" = "databases"; then + #databases directories, perms:771 owner:$UID:$GID + #databases files, perms:660 owner:$UID:$GID + REVPERM=660 + REVPSTR="rw-rw----" + fp_chmod $OLD_PER "rwxrwx--x" 771 "$FILEDIR" + elif $TEST "$FOURDIR" = "cache"; then + #cache directories, perms:771 owner:$UID:$GID + #cache files, perms:600 owner:$UID:GID + REVPERM=600 + REVPSTR="rw-------" + fp_chmod $OLD_PER "rwxrwx--x" 771 "$FILEDIR" + else + #other directories, perms:771 owner:$UID:$GID + REVPERM=771 + REVPSTR="rwxrwx--x" + fp_chmod $OLD_PER "rwxrwx--x" 771 "$FILEDIR" + fi + + #change ownership of directories matched + if $TEST "$ISLIB" = "1"; then + fp_chown_uid $OLD_UID 1000 "$FILEDIR" + fp_chown_gid $OLD_GID 1000 "$FILEDIR" + else + fp_chown_uid $OLD_UID $UID "$FILEDIR" + fp_chown_gid $OLD_GID $GID "$FILEDIR" + fi + + #if any files exist in directory with improper permissions reset them + $FIND $FILEDIR -type f -maxdepth 1 ! -perm $REVPERM -exec $LS -ln {} \; | while read subline; do + OLD_PER=$( $ECHO $subline | $CUT -d ' ' -f1 ) + SUBFILE=$( $ECHO $subline | $CUT -d ' ' -f9 ) + fp_chmod $OLD_PER $REVPSTR $REVPERM "$SUBFILE" + done + + #if any files exist in directory with improper user reset them + $FIND $FILEDIR -type f -maxdepth 1 ! -user $REVUID -exec $LS -ln {} \; | while read subline; do + OLD_UID=$( $ECHO $subline | $CUT -d ' ' -f3 ) + SUBFILE=$( $ECHO $subline | $CUT -d ' ' -f9 ) + fp_chown_uid $OLD_UID $REVUID "$SUBFILE" + done + + #if any files exist in directory with improper group reset them + $FIND $FILEDIR -type f -maxdepth 1 ! -group $REVGID -exec $LS -ln {} \; | while read subline; do + OLD_GID=$( $ECHO $subline | $CUT -d ' ' -f4 ) + SUBFILE=$( $ECHO $subline | $CUT -d ' ' -f9 ) + fp_chown_gid $OLD_GID $REVGID "$SUBFILE" + done + done + fi +} + +date_diff() +{ + if $TEST $# -ne 2; then + FP_DDM="E" + FP_DDS="E" + return + fi + FP_DDD=$( $EXPR $2 - $1 ) + FP_DDM=$( $EXPR $FP_DDD / 60 ) + FP_DDS=$( $EXPR $FP_DDD % 60 ) +} + +fp_end() +{ + if $TEST $SYSREMOUNT -eq 1; then + $MOUNT -o remount,ro $DEVICE /system > /dev/null 2>&1 + fi + + if $TEST $SYSSDMOUNT -eq 1; then + $UMOUNT /sd-ext > /dev/null 2>&1 + fi + + if $TEST $SYSMOUNT -eq 1; then + $UMOUNT /system > /dev/null 2>&1 + fi + + if $TEST $DATAMOUNT -eq 1; then + $UMOUNT /data > /dev/null 2>&1 + fi + + FP_ENDTIME=$( $DATE +"%m-%d-%Y %H:%M:%S" ) + FP_ENDEPOCH=$( $DATE +%s ) + + date_diff $FP_STARTEPOCH $FP_ENDEPOCH + + fp_print "$0 $VERSION ended at $FP_ENDTIME (Runtime:${FP_DDM}m${FP_DDS}s)" +} + +#MAIN SCRIPT + +fp_parseargs $@ +fp_start +if $TEST "$ONLY_ONE" != "" -a "$ONLY_ONE" != "0" ; then + fp_single "$ONLY_ONE" +else + fp_all +fi +fp_end |