KakaoTalk+: No More Search Pane (macOS)

KakaoTalk+.py

# Hiding Daum search pane in the KakaoTalk
# rearticulated for Python 2.7.10 (/usr/bin/python)
# $ sudo /usr/bin/python KakaoTalk+.py
# $ nohup /Applications/KakaoTalk.app/Contents/MacOS/KakaoTalk+ </dev/null >/dev/null 2>&1
# original(node) : https://gist.github.com/kiding/36cfbbe6ab35ab93b5fdbd67a9fa3aba
import subprocess, re

# const
target = 'showSearchPane'
bin_input = '/Applications/KakaoTalk.app/Contents/MacOS/KakaoTalk'
bin_output = '/Applications/KakaoTalk.app/Contents/MacOS/KakaoTalk+'

# get metadata from binary
command = 'objdump -macho -objc-meta-data'.split()
command.append(bin_input)
popen = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
dump, error = popen.communicate()
if popen.returncode != 0:
    print error
    quit()

# get address from dumpdata
regex = target + "\n.+?imp\s(0x[0-9a-f]+)"
matches = re.search(regex, dump, re.UNICODE | re.DOTALL)
if matches == None:
    print "Failed to find the method " + target + "\n"
    quit()

addr = matches.groups()[0]
print "Found " + target + " at " + addr + "\n"

# modify hex data in the given address
binary = bytearray(open(bin_input, 'rb').read())
binary[int(addr, 16) - 0x100000000] = 0xC3 # RET
for i in range(16):
    binary[int(addr, 16) - 0x100000000 + i + 1] = 0x90 # NOP

# save modified file
new_binary = open(bin_output, 'wb')
new_binary.write(binary)
new_binary.close()
subprocess.call(['chmod', '0755', bin_output])