diff options
Diffstat (limited to 'python/vyos/util.py')
-rw-r--r-- | python/vyos/util.py | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/python/vyos/util.py b/python/vyos/util.py index 586c79fff..cf90dc74f 100644 --- a/python/vyos/util.py +++ b/python/vyos/util.py @@ -705,38 +705,6 @@ def get_all_vrfs(): data[name] = entry return data -def cidr_fit(cidr_a, cidr_b, both_directions = False): - """ - Does CIDR A fit inside of CIDR B? - - Credit: https://gist.github.com/magnetikonline/686fde8ee0bce4d4930ce8738908a009 - """ - def split_cidr(cidr): - part_list = cidr.split("/") - if len(part_list) == 1: - # if just an IP address, assume /32 - part_list.append("32") - - # return address and prefix size - return part_list[0].strip(), int(part_list[1]) - def address_to_bits(address): - # convert each octet of IP address to binary - bit_list = [bin(int(part)) for part in address.split(".")] - - # join binary parts together - # note: part[2:] to slice off the leading "0b" from bin() results - return "".join([part[2:].zfill(8) for part in bit_list]) - def binary_network_prefix(cidr): - # return CIDR as bits, to the length of the prefix size only (drop the rest) - address, prefix_size = split_cidr(cidr) - return address_to_bits(address)[:prefix_size] - - prefix_a = binary_network_prefix(cidr_a) - prefix_b = binary_network_prefix(cidr_b) - if both_directions: - return prefix_a.startswith(prefix_b) or prefix_b.startswith(prefix_a) - return prefix_a.startswith(prefix_b) - def print_error(str='', end='\n'): """ Print `str` to stderr, terminated with `end`. |