android 超级用户 root 管理工具 二进制文件

#!/system/bin/sh MODE=$1 log_print() { echo "($MODE) $1" echo "($MODE) $1" >> /dev/.launch_daemonsu.log log -p i -t launch_daemonsu "($MODE) $1" } log_print "start" if [ `mount | grep " /data " >/dev/null 2>&1; echo $?` -ne 0 ]; then # /data not mounted yet, we will be called again later log_print "abort: /data not mounted #1" exit fi if [ `mount | grep " /data " | grep "tmpfs" >/dev/null 2>&1; echo $?` -eq 0 ]; then # /data not mounted yet, we will be called again later log_print "abort: /data not mounted #2" exit fi if [ `cat /proc/mounts | grep /su >/dev/null 2>&1; echo $?` -eq 0 ]; then if [ -d "/su/bin" ]; then if [ `ps | grep -v "launch_daemonsu.sh" | grep "daemonsu" >/dev/null 2>&1; echo $?` -eq 0 ]; then # nothing to do here log_print "abort: daemonsu already running" exit fi fi fi setprop sukernel.daemonsu.launch $MODE loopsetup() { LOOPDEVICE= for DEV in $(ls /dev/block/loop*); do if [ `losetup $DEV $1 >/dev/null 2>&1; echo $?` -eq 0 ]; then LOOPDEVICE=$DEV break fi done log_print "loopsetup($1): $LOOPDEVICE" } resize() { local LAST= local SIZE= for i in `ls -l /data/su.img`; do if [ "$LAST" = "root" ]; then if [ "$i" != "root" ]; then SIZE=$i break; fi fi LAST=$i done log_print "/data/su.img: $SIZE bytes" if [ "$SIZE" -lt "96000000" ]; then log_print "resizing /data/su.img to 96M" e2fsck -p -f /data/su.img resize2fs /data/su.img 96M fi } REBOOT=false if [ ! -d "/su/bin" ]; then # not mounted yet, and doesn't exist already, merge log_print "/su not mounted yet" # copy boot image backups log_print "copying boot image backups from /cache to /data" cp -f /cache/stock_boot_* /data/. 2>/dev/null if [ -f "/data/su.img" ]; then log_print "/data/su.img found" e2fsck -p -f /data/su.img # make sure the image is the right size resize fi # newer image in /cache ? # only used if recovery couldn't mount /data if [ -f "/cache/su.img" ]; then log_print "/cache/su.img found" e2fsck -p -f /cache/su.img OVERWRITE=true if [ -f "/data/su.img" ]; then # attempt merge, this will fail pre-M # will probably also fail with /system installed busybox, # but then again, is there anything busybox doesn't break? # falls back to overwrite log_print "/data/su.img found" log_print "attempting merge" mkdir /cache/data_img mkdir /cache/cache_img # setup loop devices loopsetup /data/su.img LOOPDATA=$LOOPDEVICE log_print "$LOOPDATA /data/su.img" loopsetup /cache/su.img LOOPCACHE=$LOOPDEVICE log_print "$LOOPCACHE /cache/su.img" if [ ! -z "$LOOPDATA" ]; then if [ ! -z "$LOOPCACHE" ]; then # if loop devices have been setup, mount images OK=true if [ `mount -t ext4 -o rw,noatime $LOOPDATA /cache/data_img >/dev/null 2>&1; echo $?` -ne 0 ]; then OK=false fi if [ `mount -t ext4 -o rw,noatime $LOOPCACHE /cache/cache_img >/dev/null 2>&1; echo $?` -ne 0 ]; then OK=false fi if ($OK); then # if mounts have succeeded, merge the images if [ `cp -af /cache/cache_img/. /cache/data_img >/dev/null 2>&1; echo $?` -eq 0 ]; then log_print "merge complete" OVERWRITE=false fi fi umount /cache/data_img umount /cache/cache_img fi fi losetup -d $LOOPDATA losetup -d $LOOPCACHE rmdir /cache/data_img rmdir /cache/cache_img fi if ($OVERWRITE); then # no /data/su.img or merge failed, replace log_print "replacing /data/su.img with /cache/su.img" mv /cache/su.img /data/su.img # make sure the new image is the right size resize fi rm /cache/su.img fi if [ ! -f "/data/su.img" ]; then if [ -d "/.sufrp" ]; then # create empty image make_ext4fs -l 96M -a /su -S /.sufrp/file_contexts_image /data/su.img chown 0.0 /data/su.img chmod 0600 /data/su.img chcon u:object_r:system_data_file:s0 /data/su.img # make sure the new image is the right size resize fi fi fi # do we have an APK to install ? if [ -f "/cache/SuperSU.apk" ]; then cp /cache/SuperSU.apk /data/SuperSU.apk rm /cache/SuperSU.apk fi if [ -f "/data/SuperSU.apk" ]; then log_print "installing SuperSU APK in /data" APKPATH=eu.chainfire.supersu-1 for i in `ls /data/app | grep eu.chainfire.supersu- | grep -v eu.chainfire.supersu.pro`; do if [ `cat /data/system/packages.xml | grep $i >/dev/null 2>&1; echo $?` -eq 0 ]; then APKPATH=$i break; fi done rm -rf /data/app/eu.chainfire.supersu-* log_print "target path: /data/app/$APKPATH" mkdir /data/app/$APKPATH chown 1000.1000 /data/app/$APKPATH chmod 0755 /data/app/$APKPATH chcon u:object_r:apk_data_file:s0 /data/app/$APKPATH cp /data/SuperSU.apk /data/app/$APKPATH/base.apk chown 1000.1000 /data/app/$APKPATH/base.apk chmod 0644 /data/app/$APKPATH/base.apk chcon u:object_r:apk_data_file:s0 /data/app/$APKPATH/base.apk rm /data/SuperSU.apk sync # just in case REBOOT=true fi # sometimes we need to reboot, make it so if ($REBOOT); then log_print "rebooting" if [ "$MODE" = "post-fs-data" ]; then # avoid device freeze (reason unknown) sh -c "sleep 5; reboot" & else reboot fi exit fi if [ ! -d "/su/bin" ]; then # not mounted yet, and doesn't exist already, mount # fix permissions chown 0.0 /data/su.img chmod 0600 /data/su.img chcon u:object_r:system_data_file:s0 /data/su.img # losetup is unreliable pre-M if [ `cat /proc/mounts | grep /su >/dev/null 2>&1; echo $?` -ne 0 ]; then loopsetup /data/su.img if [ ! -z "$LOOPDEVICE" ]; then MOUNT=$(mount -t ext4 -o rw,noatime $LOOPDEVICE /su 2>&1) log_print "$MOUNT" fi fi # trigger mount, should also work pre-M, but on post-fs-data trigger may # be processed only after this script runs, causing a fallback to service launch if [ `cat /proc/mounts | grep /su >/dev/null 2>&1; echo $?` -ne 0 ]; then setprop sukernel.mount 1 sleep 1 fi # exit if all mount attempts have failed, script is likely to be called again if [ `cat /proc/mounts | grep /su >/dev/null 2>&1; echo $?` -ne 0 ]; then log_print "abort: mount failed" exit fi fi if [ ! -d "/su/bin" ]; then # empty image if [ -d "/.sufrp" ]; then /.sufrp/frp_install fi fi # if other su binaries exist, route them to ours mount -o bind /su/bin/su /sbin/su 2>/dev/null mount -o bind /su/bin/su /system/bin/su 2>/dev/null mount -o bind /su/bin/su /system/xbin/su 2>/dev/null # poor man's overlay on /system/xbin if [ -d "/su/xbin_bind" ]; then cp -f -a /system/xbin/. /su/xbin_bind rm -rf /su/xbin_bind/su ln -s /su/bin/su /su/xbin_bind/su mount -o bind /su/xbin_bind /system/xbin fi # start daemon if [ "$MODE" != "post-fs-data" ]; then # if launched by service, replace this process (exec) log_print "exec daemonsu" exec /su/bin/daemonsu --auto-daemon else # if launched by exec, fork (non-exec) and wait for su.d to complete executing log_print "fork daemonsu" /su/bin/daemonsu --auto-daemon # wait for a while for su.d to complete if [ -d "/su/su.d" ]; then log_print "waiting for su.d" for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do # su.d finished ? if [ -f "/dev/.su.d.complete" ]; then break fi for j in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16; do # su.d finished ? if [ -f "/dev/.su.d.complete" ]; then break fi # sleep 240ms if usleep supported, warm up the CPU if not # 16*16*240ms=60s maximum if usleep supported, else much shorter usleep 240000 done done fi log_print "end" fi