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Improved patcher script #18

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Improved patcher script #18

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189 changes: 154 additions & 35 deletions patcher
100644 → 100755
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Original file line number Diff line number Diff line change
Expand Up @@ -4,48 +4,165 @@ export LANG=C
export LC_CTYPE=C
export LC_ALL=C

dpkg-deb -R $1 $2
# This variable is used as a command. Set it to either true or false. It's case-sensitive.
debug=false

mkdir $2 2> /dev/null
if [ $# -lt 2 ]; then
echo "Usage: $0 <deb> <output folder>"
exit 127
fi

for i in $2/Library/MobileSubstrate/DynamicLibraries/*dylib
do
sed -i "" 's/\/Library\//\/var\/LIB\//g' $i 2> /dev/null
sed -i "" 's/\/System\/var\/LIB\//\/System\/Library\//g' $i 2> /dev/null
sed -i "" 's/%@\/var\/LIB\//%@\/Library\//g' $i 2> /dev/null
sed -i "" 's/mobile\/var\/LIB\//mobile\/Library\//g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libsubstrate/\/var\/ulb\/libsubstrate/g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libsubstitute/\/var\/ulb\/libsubstitute/g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libprefs/\/var\/ulb\/libprefs/g' $i 2> /dev/null
ldid -S $i 2> /dev/null
done
dpkg-deb -R $1 $2 || exit $?
mkdir $2 2> /dev/null

for i in $2/usr/lib/*dylib
do
sed -i "" 's/\/Library\//\/var\/LIB\//g' $i 2> /dev/null
sed -i "" 's/\/System\/var\/LIB\//\/System\/Library\//g' $i 2> /dev/null
sed -i "" 's/mobile\/var\/LIB\//mobile\/Library\//g' $i 2> /dev/null
sed -i "" 's/%@\/var\/LIB\//%@\/Library\//g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libsubstrate/\/var\/ulb\/libsubstrate/g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libsubstitute/\/var\/ulb\/libsubstitute/g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libprefs/\/var\/ulb\/libprefs/g' $i 2> /dev/null
ldid -S $i 2> /dev/null
done
iOS12_usrlib=(
"FDRSealingMap.plist"
"bbmasks"
"dyld"
"libCRFSuite0.12.dylib"
"libDHCPServer.dylib"
"libMatch.dylib"
"libSystem.B_asan.dylib"
"libSystem.dylib"
"libSystem_asan.dylib"
"libarchive.dylib"
"libbsm.dylib"
"libbz2.1.0.5.dylib"
"libbz2.dylib"
"libc++.dylib"
"libc.dylib"
"libcharset.dylib"
"libcurses.dylib"
"libdbm.dylib"
"libdl.dylib"
"libeasyperf.dylib"
"libedit.2.dylib"
"libedit.3.0.dylib"
"libedit.dylib"
"libexslt.dylib"
"libextension.dylib"
"libform.dylib"
"libiconv.2.4.0.dylib"
"libiconv.dylib"
"libicucore.dylib"
"libinfo.dylib"
"libipsec.dylib"
"liblzma.dylib"
"libm.dylib"
"libmecab.dylib"
"libncurses.5.dylib"
"libncurses.dylib"
"libobjc-trampolines.dylib"
"libobjc.dylib"
"libpcap.dylib"
"libpmsample.dylib"
"libpoll.dylib"
"libproc.dylib"
"libpthread.dylib"
"libresolv.dylib"
"librpcsvc.dylib"
"libsandbox.dylib"
"libsqlite3.0.dylib"
"libstdc++.6.0.9.dylib"
"libstdc++.dylib"
"libtidy.dylib"
"libutil1.0.dylib"
"libxml2.dylib"
"libxslt.dylib"
"libz.1.1.3.dylib"
"libz.1.2.11.dylib"
"libz.1.2.5.dylib"
"libz.1.2.8.dylib"
"libz.dylib"
"log"
"system"
"updaters"
"xpc"
"libz.1.dylib"
"libxslt.1.dylib"
"libxml2.2.dylib"
"libutil.dylib"
"libtidy.A.dylib"
"libstdc++.6.dylib"
"libsqlite3.dylib"
"libsandbox.1.dylib"
"libresolv.9.dylib"
"libpcap.A.dylib"
"libobjc.A.dylib"
"libncurses.5.4.dylib"
"libmecab_em.dylib"
"liblzma.5.dylib"
"libipsec.A.dylib"
"libicucore.A.dylib"
"libiconv.2.dylib"
"libform.5.4.dylib"
"libexslt.0.dylib"
"libedit.3.dylib"
"libperfcheck.dylib"
"libcharset.1.0.0.dylib"
"libcharset.1.dylib"
"libc++.1.dylib"
"libbz2.1.0.dylib"
"libbsm.0.dylib"
"libarchive.2.dylib"
"libSystem.B.dylib"
"libMatch.1.dylib"
"libDHCPServer.A.dylib"
"libCRFSuite.dylib"
)

dylib_folders=(
"/Library/MobileSubstrate/DynamicLibraries"
"/usr/lib"
)

for i in $2/Library/PreferenceBundles/*/*
do
sed -i "" 's/\/Library\//\/var\/LIB\//g' $i 2> /dev/null
sed -i "" 's/\/System\/var\/LIB\//\/System\/Library\//g' $i 2> /dev/null
sed -i "" 's/%@\/var\/LIB\//%@\/Library\//g' $i 2> /dev/null
sed -i "" 's/mobile\/var\/LIB\//mobile\/Library\//g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libsubstrate/\/var\/ulb\/libsubstrate/g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libsubstitute/\/var\/ulb\/libsubstitute/g' $i 2> /dev/null
sed -i "" 's/\/usr\/lib\/libprefs/\/var\/ulb\/libprefs/g' $i 2> /dev/null
ldid -S $i 2> /dev/null
patch_file() {
[ -z "$1" ] && return
[ ! -f "$1" ] && return

# When link identity editor fails, it usually means the file is not a valid binary.
ldid -S "$1" 2> /dev/null || return

echo "Patching \"$file\""
sed -i "" 's/\/Library\//\/var\/LIB\//g' "$1" 2> /dev/null
sed -i "" 's/\/System\/var\/LIB\//\/System\/Library\//g' "$1" 2> /dev/null
sed -i "" 's/%@\/var\/LIB\//%@\/Library\//g' "$1" 2> /dev/null
sed -i "" 's/mobile\/var\/LIB\//mobile\/Library\//g' "$1" 2> /dev/null

# The trick:
# 1. Replace every "/usr/lib" with "/var/lib"
# 2. Iterate over iOS12_usrlib and revert the system libraries
# This way, we only need to hardcode the system libraries which will never change. We won't need to hardcode the libraries that are for jailbroken devices.
sed -i "" 's/\/usr\/lib\//\/var\/ulb\//g' "$1" 2> /dev/null
if [ $? -eq 0 ]; then
for usr_lib_system_file in "${iOS12_usrlib[@]}"; do
escaped_dot='\.'
escaped_file="${usr_lib_system_file//./${escaped_dot}}"
expression='s/\/var\/ulb\/'"${escaped_file}"'/\/usr\/lib\/'"${escaped_file}"'/g'
${debug} && echo ${expression}
sed -i "" "${expression}" "$1" 2> /dev/null
done
fi

# Sign the binary again, just in case
ldid -S "$1"
}

for folder in "${dylib_folders[@]}"; do
[ ! -d "$2${folder}" ] && continue
echo "[+] Patching files inside \"$2${folder}\"..."
for file in "$2${folder}/"*.dylib; do
patch_file "${file}"
done
done

echo "[+] Patching files inside \"$2/Library/PreferenceBundles\"..."
for file in "$2/Library/PreferenceBundles/"*/*; do
patch_file "${file}"
done

# not tested
<<'NOT_TESTED'

for i in $2/Applications/*.app
do
ldid -e $i > /tmp/_ENTS.plist 2> /dev/null
Expand All @@ -57,3 +174,5 @@ do
ldid -S/tmp/_ENTS.plist $2 2> /dev/null
fi
done

NOT_TESTED