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another try on improving /system mount code for various occasions

Browse Source
merge-requests/33/head
Christopher Roy Bratusek 4 years ago
parent 8d00391249
commit 521dc88d69
4 changed files with 130 additions and 91 deletions
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54
CommonInstaller
Unescape Escape View File

@ -220,6 +220,22 @@ is_mounted () {
# mount partitions
##########################################################################################
find_block () {
unset tmp
tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name ${1}${SLOT} | head -n 1)
[ -z ${tmp} ] && tmp=$(find /dev \( -type b -o -type c -o -type l \) -maxdepth 1 -iname ${1}${SLOT} | head -n 1)
if [ -z ${tmp} ]; then
for uevent in /sys/dev/block/*/uevent; do
partname=$(awk -F= '/PARTNAME/{print $2}' ${uevent})
if [ "${1}${SLOT}" = "${partname}" ]; then
tmp="/dev/block/$(awk -F= '/DEVNAME/{print $2}' ${uevent})"
break
fi
done
fi
readlink -f ${tmp}
}
mount_partitions () {
if ! ${BOOTMODE}; then
DEVICE_AB=FALSE
@ -242,34 +258,26 @@ mount_partitions () {
mount -o bind /dev/urandom /dev/random
system_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name system${SLOT} | head -n 1)
echo " INFO: #4 [system_tmp] ${system_tmp}"
SYSTEM_BLOCK=$(readlink -f ${system_tmp})
SYSTEM_BLOCK=$(find_block system)
echo " INFO: #5 [SYSTEM_BLOCK] ${SYSTEM_BLOCK}"
SYSTEM_AS_ROOT=$(grep_prop ro.build.ab_update /default.prop)
if [ -L /system_root ]; then
mv /system_root /system_root_link
mkdir -p /system_root
fi
if [ -d /system_root ]; then
mount -o rw /system_root || mount -orw ${SYSTEM_BLOCK} /system_root
if [ -d /system_root/system ]; then
mkdir -p /system
mount -o bind /system_root/system /system
fi
elif [ -d /system ]; then
mount -o rw /system || mount -o rw ${SYSTEM_BLOCK} /system
if [ -d /system/system ]; then
mkdir -p /system
mount -o bind /system/system
mkdir -p /system /system_root
mount -o rw ${SYSTEM_BLOCK} /system
if [ -f /system/build.prop ]; then
SYSTEM=/system
elif [ -f /system/system/build.prop -o -f /system/init -o -L /system/init ]; then
SYSTEM_AS_ROOT=true
SYSTEM=/system/system
if ! mount --move /system /system_root; then
umount /system
umount -l /system
moun -o rw ${SYSTEM_BLOCK} /system_root
fi
mount -o bind /system_root/system /system
fi
vendor_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name vendor${SLOT} | head -n 1)
echo " INFO: #6 [vendor_tmp] ${vendor_tmp}"
VENDOR_BLOCK=$(readlink -f ${vendor_tmp})
VENDOR_BLOCK=$(find_block vendor)
echo " INFO: #7 [VENDOR_BLOCK] ${VENDOR_BLOCK}"
! is_mounted /vendor && mount -o ro /vendor

54
patcher/CommonPatcher
Unescape Escape View File

@ -96,6 +96,22 @@ mount_apex () {
}
# taken from Magisk, with minor modifications for NanoDroid
find_block () {
unset tmp
tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name ${1}${SLOT} | head -n 1)
[ -z ${tmp} ] && tmp=$(find /dev \( -type b -o -type c -o -type l \) -maxdepth 1 -iname ${1}${SLOT} | head -n 1)
if [ -z ${tmp} ]; then
for uevent in /sys/dev/block/*/uevent; do
partname=$(awk -F= '/PARTNAME/{print $2}' ${uevent})
if [ "${1}${SLOT}" = "${partname}" ]; then
tmp="/dev/block/$(awk -F= '/DEVNAME/{print $2}' ${uevent})"
break
fi
done
fi
readlink -f ${tmp}
}
mount_partitions () {
if ! ${BOOTMODE}; then
DEVICE_AB=FALSE
@ -118,34 +134,26 @@ mount_partitions () {
mount -o bind /dev/urandom /dev/random
system_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name system${SLOT} | head -n 1)
echo " INFO: #4 [system_tmp] ${system_tmp}"
SYSTEM_BLOCK=$(readlink -f ${system_tmp})
SYSTEM_BLOCK=$(find_block system)
echo " INFO: #5 [SYSTEM_BLOCK] ${SYSTEM_BLOCK}"
SYSTEM_AS_ROOT=$(grep_prop ro.build.ab_update /default.prop)
if [ -L /system_root ]; then
mv /system_root /system_root_link
mkdir -p /system_root
fi
if [ -d /system_root ]; then
mount -o rw /system_root || mount -orw ${SYSTEM_BLOCK} /system_root
if [ -d /system_root/system ]; then
mkdir -p /system
mount -o bind /system_root/system /system
fi
elif [ -d /system ]; then
mount -o rw /system || mount -o rw ${SYSTEM_BLOCK} /system
if [ -d /system/system ]; then
mkdir -p /system
mount -o bind /system/system
mkdir -p /system /system_root
mount -o rw ${SYSTEM_BLOCK} /system
if [ -f /system/build.prop ]; then
SYSTEM=/system
elif [ -f /system/system/build.prop -o -f /system/init -o -L /system/init ]; then
SYSTEM_AS_ROOT=true
SYSTEM=/system/system
if ! mount --move /system /system_root; then
umount /system
umount -l /system
moun -o rw ${SYSTEM_BLOCK} /system_root
fi
mount -o bind /system_root/system /system
fi
vendor_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name vendor${SLOT} | head -n 1)
echo " INFO: #6 [vendor_tmp] ${vendor_tmp}"
VENDOR_BLOCK=$(readlink -f ${vendor_tmp})
VENDOR_BLOCK=$(find_block vendor)
echo " INFO: #7 [VENDOR_BLOCK] ${VENDOR_BLOCK}"
! is_mounted /vendor && mount -o ro /vendor

60
systest/SysTest
Unescape Escape View File

@ -85,7 +85,24 @@ mount_apex () {
done
}
# taken from Magisk, with minor modifications for NanoDroid
# taken from Magisk, with modifications for NanoDroid
find_block () {
unset tmp
tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name ${1}${SLOT} | head -n 1)
[ -z ${tmp} ] && tmp=$(find /dev \( -type b -o -type c -o -type l \) -maxdepth 1 -iname ${1}${SLOT} | head -n 1)
if [ -z ${tmp} ]; then
for uevent in /sys/dev/block/*/uevent; do
partname=$(awk -F= '/PARTNAME/{print $2}' ${uevent})
if [ "${1}${SLOT}" = "${partname}" ]; then
tmp="/dev/block/$(awk -F= '/DEVNAME/{print $2}' ${uevent})"
break
fi
done
fi
readlink -f ${tmp}
}
mount_partitions () {
DEVICE_AB=FALSE
VENDOR_COMPAT=FALSE
@ -100,11 +117,8 @@ mount_partitions () {
fi
fi
system_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name system${SLOT} | head -n 1)
SYSTEM_BLOCK=$(readlink -f ${system_tmp})
vendor_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name vendor${SLOT} | head -n 1)
VENDOR_BLOCK=$(readlink -f ${vendor_tmp})
SYSTEM_BLOCK=$(find_block system)
VENDOR_BLOCK=$(find_block vendor)
if ${BOOTMODE}; then
build_props=$(find /system /system_root /vendor -type f -name build.prop)
@ -119,24 +133,20 @@ mount_partitions () {
mount -o bind /dev/urandom /dev/random
SYSTEM_AS_ROOT=$(grep_prop ro.build.ab_update /default.prop)
if [ -L /system_root ]; then
mv /system_root /system_root_link
mkdir -p /system_root
fi
if [ -d /system_root ]; then
mount -o rw /system_root || mount -orw ${SYSTEM_BLOCK} /system_root
if [ -d /system_root/system ]; then
mkdir -p /system
mount -o bind /system_root/system /system
fi
elif [ -d /system ]; then
mount -o rw /system || mount -o rw ${SYSTEM_BLOCK} /system
if [ -d /system/system ]; then
mkdir -p /system
mount -o bind /system/system
mkdir -p /system /system_root
mount -o rw ${SYSTEM_BLOCK} /system
if [ -f /system/build.prop ]; then
SYSTEM=/system
elif [ -f /system/system/build.prop -o -f /system/init -o -L /system/init ]; then
SYSTEM_AS_ROOT=true
SYSTEM=/system/system
if ! mount --move /system /system_root; then
umount /system
umount -l /system
moun -o rw ${SYSTEM_BLOCK} /system_root
fi
mount -o bind /system_root/system /system
fi
! is_mounted /vendor && mount -o ro /vendor
@ -379,8 +389,8 @@ store_results () {
add_log "DEVICE_AB=${DEVICE_AB}"
add_log "VENDOR_COMPAT=${VENDOR_COMPAT}"
add_log "SYSTEM_AS_ROOT=${SYSTEM_AS_ROOT}"
add_log "SYSTEMBLOCK=${SYSTEM_BLOCK}"
add_log "VENDORBLOCK=${VENDOR_BLOCK}"
add_log "SYSTEM_BLOCK=${SYSTEM_BLOCK}"
add_log "VENDOR_BLOCK=${VENDOR_BLOCK}"
add_log "SLOT=${SLOT}"
add_log ""
mount | sed '/magisk/d' | awk '{print $1 " on " $3 " params: " $6}' >> ${LOGFILE}

53
uninstaller/META-INF/com/google/android/update-binary
Unescape Escape View File

@ -112,6 +112,22 @@ error () {
# mount partitions
##########################################################################################
find_block () {
unset tmp
tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name ${1}${SLOT} | head -n 1)
[ -z ${tmp} ] && tmp=$(find /dev \( -type b -o -type c -o -type l \) -maxdepth 1 -iname ${1}${SLOT} | head -n 1)
if [ -z ${tmp} ]; then
for uevent in /sys/dev/block/*/uevent; do
partname=$(awk -F= '/PARTNAME/{print $2}' ${uevent})
if [ "${1}${SLOT}" = "${partname}" ]; then
tmp="/dev/block/$(awk -F= '/DEVNAME/{print $2}' ${uevent})"
break
fi
done
fi
readlink -f ${tmp}
}
mount_partitions () {
if ! ${BOOTMODE}; then
DEVICE_AB=FALSE
@ -134,29 +150,26 @@ mount_partitions () {
mount -o bind /dev/urandom /dev/random
SYSTEM_AS_ROOT=$(grep_prop ro.build.ab_update /default.prop)
if [ -L /system_root ]; then
mv /system_root /system_root_link
mkdir -p /system_root
fi
if [ -d /system_root ]; then
mount -o rw /system_root || mount -orw ${SYSTEM_BLOCK} /system_root
if [ -d /system_root/system ]; then
mkdir -p /system
mount -o bind /system_root/system /system
fi
elif [ -d /system ]; then
mount -o rw /system || mount -o rw ${SYSTEM_BLOCK} /system
if [ -d /system/system ]; then
mkdir -p /system
mount -o bind /system/system
SYSTEM_BLOCK=$(find_block system)
echo " INFO: #5 [SYSTEM_BLOCK] ${SYSTEM_BLOCK}"
mkdir -p /system /system_root
mount -o rw ${SYSTEM_BLOCK} /system
if [ -f /system/build.prop ]; then
SYSTEM=/system
elif [ -f /system/system/build.prop -o -f /system/init -o -L /system/init ]; then
SYSTEM_AS_ROOT=true
SYSTEM=/system/system
if ! mount --move /system /system_root; then
umount /system
umount -l /system
moun -o rw ${SYSTEM_BLOCK} /system_root
fi
mount -o bind /system_root/system /system
fi
vendor_tmp=$(find /dev/block \( -type b -o -type c -o -type l \) -name vendor${SLOT} | head -n 1)
echo " INFO: #6 [vendor_tmp] ${vendor_tmp}"
VENDOR_BLOCK=$(readlink -f ${vendor_tmp})
VENDOR_BLOCK=$(find_block vendor)
echo " INFO: #7 [VENDOR_BLOCK] ${VENDOR_BLOCK}"
! is_mounted /vendor && mount -o ro /vendor

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