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@mosquito
Last active March 1, 2024 10:29
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def ip2hex(cidr, router):
addr, mask = cidr.split("/")
mask = int(mask)
addr = [("%2s" % hex(int(i))[2:]).replace(" ", "0") for i in addr.split(".") if i != "0"]
parts = mask/8 - len(addr)
if mask%8 > 0:
parts += 1
if parts > 0:
for i in range(int(parts)):
addr.append("00")
r = []
for i in router.split("."):
r.append(("%2s" % hex(int(i))[2:]).replace(" ", "0"))
addr.insert(0, hex(mask)[2:])
return "".join(addr), "".join(r)
def routes2hex(routes):
routers = []
for cidr, router in routes.items():
a,r = ip2hex(cidr, router)
routers.append(a)
routers.append(r)
return "0x%s" % ("".join(routers).upper())
# print routes2hex({
# "192.168.6.0/24": "192.168.5.4",
# "10.128.0.0/20": "192.168.5.2",
# "192.168.192.0/24": "192.168.5.3"
#})
# 0x18C0A8C0C0A80503140A8000C0A8050218C0A806C0A80504
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