Martin Michelsen
40 lines
1.3 KiB
Python
Executable File
40 lines
1.3 KiB
Python
Executable File
#!/bin/env python3
|
|
|
|
import os
|
|
import subprocess
|
|
import sys
|
|
|
|
|
|
def get_ip_address(ifname):
|
|
data = subprocess.check_output(['ifconfig', ifname])
|
|
for line in data.splitlines():
|
|
line = line.strip()
|
|
if line.startswith(b'inet '):
|
|
return line.split()[1].decode('ascii')
|
|
raise RuntimeError('cannot get address for interface ' + ifname)
|
|
|
|
|
|
def main(argv):
|
|
if len(argv) < 2:
|
|
raise RuntimeError(f'Usage: {argv[0]} <original-destination> [new-destination]')
|
|
if os.geteuid() != 0:
|
|
raise RuntimeError('You must use sudo to run this script')
|
|
original_destination = argv[1]
|
|
new_destination = argv[2] if len(argv) > 2 else get_ip_address('en0')
|
|
|
|
print(f'Finding occurrences of \"{original_destination}\"')
|
|
addresses_str = subprocess.check_output(['memwatch', 'Flycast.app', 'find', f'\"{original_destination}\"'])
|
|
for line in addresses_str.splitlines():
|
|
# line is like '(0) 00007FFF038500A0 (rw-)' (we care only about the address)
|
|
tokens = line.split()
|
|
if len(tokens) != 3:
|
|
continue
|
|
print(f'Replacing \"{original_destination}\" with \"{new_destination}\" at {tokens[1]} in Flycast')
|
|
subprocess.check_call(['memwatch', 'Flycast.app', 'write', tokens[1], f'\"{new_destination}\" 00'])
|
|
|
|
return 0
|
|
|
|
|
|
if __name__ == '__main__':
|
|
sys.exit(main(sys.argv))
|