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winterbreak/jb.sh: fix formatting; remove undefined keywords #20

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118 changes: 53 additions & 65 deletions winterbreak/jb.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -8,68 +8,60 @@
#
##



set +e # If boot is halted stuff seriously goes wrong (actually we don't need this anymore but I'm keeping it)


###
# Define logging function
###
POS=1
wb_log() {
echo "${1}" >> /mnt/us/winterbreak.log
echo "${1}" >>/mnt/us/winterbreak.log
eips 0 $POS "${1}"
echo "${1}"
POS=$((POS+1))
POS=$((POS + 1))
}

###
# Prevents potential bootloop for people who didn't properly remove the beta (from when it was called MountSus)
###
if [ -f /var/local/root/mntus.params ]; then
if [ $(grep -i "/mnt/us/JB.sh" "/var/local/root/mntus.params") != "" ] ; then
if [ "$(grep -i "/mnt/us/JB.sh" "/var/local/root/mntus.params")" != "" ]; then
wb_log "ERROR: MountSus Detected - exiting"
exit 0 # The jailbreak has already been run before
fi
fi

if [ -f /var/local/system/mntus.params ]; then
if [ $(grep -i "/mnt/us/JB.sh" "/var/local/system/mntus.params") != "" ] ; then # Just in case!
wb_log "ERROR: MountSus Detected - exiting"
exit 0 # The jailbreak has already been run before
if [ "$(grep -i "/mnt/us/JB.sh" "/var/local/system/mntus.params")" != "" ]; then # Just in case!
wb_log "ERROR: MountSus Detected - exiting"
exit 0 # The jailbreak has already been run before
fi
fi



###
# Helper functions
###
make_mutable() {
local my_path="${1}"
# NOTE: Can't do that on symlinks, hence the hoop-jumping...
if [ -d "${my_path}" ] ; then
find "${my_path}" -type d -exec chattr -i '{}' \;
find "${my_path}" -type f -exec chattr -i '{}' \;
elif [ -f "${my_path}" ] ; then
chattr -i "${my_path}"
fi
my_path="${1}"
# NOTE: Can't do that on symlinks, hence the hoop-jumping...
if [ -d "${my_path}" ]; then
find "${my_path}" -type d -exec chattr -i '{}' \;
find "${my_path}" -type f -exec chattr -i '{}' \;
elif [ -f "${my_path}" ]; then
chattr -i "${my_path}"
fi
}

make_immutable() {
local my_path="${1}"
if [ -d "${my_path}" ] ; then
find "${my_path}" -type d -exec chattr +i '{}' \;
find "${my_path}" -type f -exec chattr +i '{}' \;
elif [ -f "${my_path}" ] ; then
chattr +i "${my_path}"
fi
my_path="${1}"
if [ -d "${my_path}" ]; then
find "${my_path}" -type d -exec chattr +i '{}' \;
find "${my_path}" -type f -exec chattr +i '{}' \;
elif [ -f "${my_path}" ]; then
chattr +i "${my_path}"
fi
}




###
# Actual JB from here
###
Expand All @@ -90,72 +82,69 @@ wb_log "- Isaac Asimov"
wb_log ""
wb_log ""


###
# Main key install functions
###
install_touch_update_key()
{
wb_log "install_touch_update_key - Copying the jailbreak updater key"
make_mutable "/etc/uks/pubdevkey01.pem"
rm -rf "/etc/uks/pubdevkey01.pem"
cat > "/etc/uks/pubdevkey01.pem" << EOF
install_touch_update_key() {
wb_log "install_touch_update_key - Copying the jailbreak updater key"
make_mutable "/etc/uks/pubdevkey01.pem"
rm -rf "/etc/uks/pubdevkey01.pem"
cat >"/etc/uks/pubdevkey01.pem" <<EOF
-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDJn1jWU+xxVv/eRKfCPR9e47lP
WN2rH33z9QbfnqmCxBRLP6mMjGy6APyycQXg3nPi5fcb75alZo+Oh012HpMe9Lnp
eEgloIdm1E4LOsyrz4kttQtGRlzCErmBGt6+cAVEV86y2phOJ3mLk0Ek9UQXbIUf
rvyJnS2MKLG2cczjlQIDAQAB
-----END PUBLIC KEY-----
EOF
# Harmonize permissions
chown root:root "/etc/uks/pubdevkey01.pem"
chmod 0644 "/etc/uks/pubdevkey01.pem"
make_immutable "/etc/uks/pubdevkey01.pem"
# Harmonize permissions
chown root:root "/etc/uks/pubdevkey01.pem"
chmod 0644 "/etc/uks/pubdevkey01.pem"
make_immutable "/etc/uks/pubdevkey01.pem"
}

install_touch_update_key_squash()
{
wb_log "install_touch_update_key_squash - Copying the jailbreak updater keystore"
make_mutable "/etc/uks.sqsh"
local my_loop="$(grep ' /etc/uks ' /proc/mounts | cut -f1 -d' ')"
umount "${my_loop}"
losetup -d "${my_loop}"
cp --verbose -f "/mnt/us/patchedUks.sqsh" "/etc/uks.sqsh"
mount -o loop="${my_loop}",nodiratime,noatime -t squashfs "/etc/uks.sqsh" "/etc/uks"
chown root:root "/etc/uks.sqsh"
chmod 0644 "/etc/uks.sqsh"
#make_immutable "/etc/uks.sqsh" # This breaks mounting on 12th gen (no, really)
install_touch_update_key_squash() {
wb_log "install_touch_update_key_squash - Copying the jailbreak updater keystore"
make_mutable "/etc/uks.sqsh"
my_loop="$(grep ' /etc/uks ' /proc/mounts | cut -f1 -d' ')"
umount "${my_loop}"
losetup -d "${my_loop}"
cp --verbose -f "/mnt/us/patchedUks.sqsh" "/etc/uks.sqsh"
mount -o loop="${my_loop}",nodiratime,noatime -t squashfs "/etc/uks.sqsh" "/etc/uks"
chown root:root "/etc/uks.sqsh"
chmod 0644 "/etc/uks.sqsh"
#make_immutable "/etc/uks.sqsh" # This breaks mounting on 12th gen (no, really)
}

# The real fun starts here
mntroot rw

# Check if OTA is disabled and if so enable it so hotfix can later be applied
if [ -f "/usr/bin/otaupd.bck" ] ; then
if [ -f "/usr/bin/otaupd.bck" ]; then
mv /usr/bin/otaupd.bck /usr/bin/otaupd
wb_log "otaupd restored"
fi

if [ -f "/usr/bin/otav3.bck" ] ; then
if [ -f "/usr/bin/otav3.bck" ]; then
mv /usr/bin/otav3.bck /usr/bin/otav3
wb_log "otav3 restored"
fi

# Install update key in folder
install_touch_update_key
# Verify key installation
if [ -f "/etc/uks/pubdevkey01.pem" ] ; then
wb_log "Developer keys installed successfully (Standard Method)! (pubdevkey01.pem)"
if [ -f "/etc/uks/pubdevkey01.pem" ]; then
wb_log "Developer keys installed successfully (Standard Method)! (pubdevkey01.pem)"
else
wb_log "ERR - Could not install pubdevkey01.pem (Standard Method)"
fi

# Check if we need to do something with the OTA SQSH keystore
if [ -f "/etc/uks.sqsh" ] && [ -f "/mnt/us/patchedUks.sqsh" ] ; then
if [ -f "/etc/uks.sqsh" ] && [ -f "/mnt/us/patchedUks.sqsh" ]; then
install_touch_update_key_squash

# Verify key installation
if [ "$(md5sum "${ROOT}/etc/uks.sqsh" | awk '{ print $1; }')" == "$(md5sum "${ROOT}/mnt/us/patchedUks.sqsh" | awk '{ print $1; }')" ] ; then
if [ "$(md5sum "${ROOT}/etc/uks.sqsh" | awk '{ print $1; }')" = "$(md5sum "${ROOT}/mnt/us/patchedUks.sqsh" | awk '{ print $1; }')" ]; then
wb_log "Developer keys installed successfully! (uks.sqsh)"
wb_log "$(ls /etc/uks)"
else
Expand All @@ -173,20 +162,19 @@ rm -rf "/PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC"
touch "/PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC"
make_immutable "/PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC"

if [ -f "/PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC" ] ; then
wb_log "Enabled developer flag"
if [ -f "/PRE_GM_DEBUGGING_FEATURES_ENABLED__REMOVE_AT_GMC" ]; then
wb_log "Enabled developer flag"
else
wb_log "Developer flag install FAIL"
wb_log "Developer flag install FAIL"
fi


touch "/MNTUS_EXEC"
make_immutable "/MNTUS_EXEC"

if [ -f "/MNTUS_EXEC" ] ; then
wb_log "Enabled mntus exec flag"
if [ -f "/MNTUS_EXEC" ]; then
wb_log "Enabled mntus exec flag"
else
wb_log "mntus exec flag install FAIL"
wb_log "mntus exec flag install FAIL"
fi

# Bye
Expand Down