| // Copyright 2023 The Chromium Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #ifndef BSSL_PKI_IP_UTIL_H_ |
| #define BSSL_PKI_IP_UTIL_H_ |
| |
| #include <openssl/base.h> |
| |
| #include "input.h" |
| |
| BSSL_NAMESPACE_BEGIN |
| |
| inline constexpr size_t kIPv4AddressSize = 4; |
| inline constexpr size_t kIPv6AddressSize = 16; |
| |
| // Returns whether `mask` is a valid netmask. I.e., whether it is the length of |
| // an IPv4 or IPv6 address, and is some number of ones, followed by some number |
| // of zeros. |
| OPENSSL_EXPORT bool IsValidNetmask(der::Input mask); |
| |
| // Returns whether `addr1` and `addr2` are equal under the netmask `mask`. |
| OPENSSL_EXPORT bool IPAddressMatchesWithNetmask(der::Input addr1, |
| der::Input addr2, |
| der::Input mask); |
| |
| BSSL_NAMESPACE_END |
| |
| #endif // BSSL_PKI_IP_UTIL_H_ |