def get_interface_to_target(dst):
if sys.platform == "win32":
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect((dst, 1))
ip_to_dst = s.getsockname()[0]
except KeyError:
ip_to_dst = '127.0.0.1'
finally:
s.close()
return ip_to_dst
else:
# based on scapy implementation
def atol(x):
ip = socket.inet_aton(x)
return struct.unpack("!I", ip)[0]
routes = get_routes()
dst = atol(dst)
paths = []
for d, m, gw, i, a in routes:
aa = atol(a)
if aa == dst:
paths.append((0xffffffff, ("lo", a, "0.0.0.0")))
if (dst & m) == (d & m):
paths.append((m, (i, a, gw)))
if not paths:
return None
paths.sort()
ret = paths[-1][1]
return ret[1]
def get_interface_to_target(dst):
if sys.platform == "win32":
ips = local_ips()
matches = get_close_matches(dst, ips)
return matches[0] if (len(matches) > 0) else ips[0]
else:
# based on scapy implementation
def atol(x):
ip = socket.inet_aton(x)
return struct.unpack("!I", ip)[0]
routes = get_routes()
dst = atol(dst)
pathes = []
for d, m, gw, i, a in routes:
aa = atol(a)
if aa == dst:
pathes.append((0xffffffff, ("lo", a, "0.0.0.0")))
if (dst & m) == (d & m):
pathes.append((m, (i, a, gw)))
if not pathes:
return None
pathes.sort()
ret = pathes[-1][1]
return ret[1]
def get_interface_to_target(dst):
"""
:param dst: destination IP address string without port. E.G. '192.168.1.1.'
:return: IP address string of an interface that can connect to the target. E.G. '192.168.1.4.'
"""
if sys.platform == "win32":
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
try:
s.connect((dst, 1))
ip_to_dst = s.getsockname()[0]
except KeyError:
LOG.debug(
"Couldn't get an interface to the target, presuming that target is localhost."
)
ip_to_dst = '127.0.0.1'
finally:
s.close()
return ip_to_dst
else:
# based on scapy implementation
def atol(x):
ip = socket.inet_aton(x)
return struct.unpack("!I", ip)[0]
routes = get_routes()
dst = atol(dst)
paths = []
for d, m, gw, i, a in routes:
aa = atol(a)
if aa == dst:
paths.append((0xffffffff, ("lo", a, "0.0.0.0")))
if (dst & m) == (d & m):
paths.append((m, (i, a, gw)))
if not paths:
return None
paths.sort()
ret = paths[-1][1]
return ret[1]