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/*! # CIDR Utils This crate provides data structures and functions to deal with IPv4 CIDRs and IPv6 CIDRs. ## Examples The format of CIDRs. ```rust extern crate cidr_utils; use cidr_utils::cidr::IpCidr; assert_eq!(true, IpCidr::is_ip_cidr("192.168.1.0/24")); assert_eq!(true, IpCidr::is_ip_cidr("192.168.1.1/24")); assert_eq!(true, IpCidr::is_ip_cidr("192.168.1.0/0")); assert_eq!(false, IpCidr::is_ip_cidr("192.168.1.0/33")); assert_eq!(true, IpCidr::is_ip_cidr("192.168.1.0/255.255.255.0")); assert_eq!(true, IpCidr::is_ip_cidr("192.168.1.0/255.255.254.0")); assert_eq!(false, IpCidr::is_ip_cidr("192.168.1.0/255.255.255.1")); assert_eq!(true, IpCidr::is_ip_cidr("192.168.1.0")); // 192.168.1.0/32 assert_eq!(true, IpCidr::is_ip_cidr("192.168.1")); // 192.168.1/24 assert_eq!(true, IpCidr::is_ip_cidr("192.168")); // 192.168/16 assert_eq!(true, IpCidr::is_ip_cidr("192")); // 192/8 assert_eq!(true, IpCidr::is_ip_cidr("192/8")); assert_eq!(true, IpCidr::is_ip_cidr("192/255.0.0.0")); assert_eq!(false, IpCidr::is_ip_cidr("192/16")); assert_eq!(false, IpCidr::is_ip_cidr("192/255.255.0.0")); assert_eq!(true, IpCidr::is_ip_cidr("2001:4f8:3:ba::/64")); assert_eq!(true, IpCidr::is_ip_cidr("2001:4f8:3:ba:2e0:81ff:fe22:d1f1/128")); assert_eq!(true, IpCidr::is_ip_cidr("::ffff:1.2.3.0/120")); assert_eq!(true, IpCidr::is_ip_cidr("::ffff:1.2.3.1/120")); assert_eq!(false, IpCidr::is_ip_cidr("::ffff:1.2.3.0/129")); assert_eq!(true, IpCidr::is_ip_cidr("2001:4f8:3:ba:2e0:81ff:fe22:d1f1")); // 2001:4f8:3:ba:2e0:81ff:fe22:d1f1/128 assert_eq!(true, IpCidr::is_ip_cidr("2001:4f8:3:ba::")); // 2001:4f8:3:ba::/128 ``` Determine whether an IP is in a CIDR. ```rust extern crate cidr_utils; use std::net::IpAddr; use std::str::FromStr; use cidr_utils::cidr::IpCidr; let cidr = IpCidr::from_str("192.168.51.0/24").unwrap(); assert_eq!(true, cidr.contains(IpAddr::from_str("192.168.51.103").unwrap())); assert_eq!(false, cidr.contains(IpAddr::from_str("192.168.50.103").unwrap())); ``` ```rust extern crate cidr_utils; use std::net::Ipv4Addr; use cidr_utils::cidr::Ipv4Cidr; let cidr = Ipv4Cidr::from_str("192.168.51.0/24").unwrap(); assert_eq!(true, cidr.contains([192, 168, 51, 103])); assert_eq!(true, cidr.contains(Ipv4Addr::new(192, 168, 51, 103))); assert_eq!(false, cidr.contains([192, 168, 50, 103])); assert_eq!(256, cidr.size()); ``` Combine subnetworks to supernetworks. ```rust extern crate cidr_utils; use cidr_utils::cidr::Ipv4Cidr; use cidr_utils::utils::Ipv4CidrCombiner; let mut combiner = Ipv4CidrCombiner::new(); combiner.push(Ipv4Cidr::from_str("192.168.51.100").unwrap()); assert_eq!(1, combiner.len()); assert_eq!("192.168.51.100/32".to_string(), combiner[0].to_string()); combiner.push(Ipv4Cidr::from_str("192.168.51.101").unwrap()); assert_eq!(1, combiner.len()); assert_eq!("192.168.51.100/31".to_string(), combiner[0].to_string()); combiner.push(Ipv4Cidr::from_str("192.168.51.102").unwrap()); assert_eq!(2, combiner.len()); assert_eq!("192.168.51.100/31".to_string(), combiner[0].to_string()); assert_eq!("192.168.51.102/32".to_string(), combiner[1].to_string()); combiner.push(Ipv4Cidr::from_str("192.168.51.103").unwrap()); assert_eq!(1, combiner.len()); assert_eq!("192.168.51.100/30".to_string(), combiner[0].to_string()); assert_eq!(true, combiner.contains([192, 168, 51, 102])); assert_eq!(false, combiner.contains([192, 168, 51, 105])); assert_eq!(4, combiner.size()); ``` Separate a network into subnetworks. ```rust extern crate cidr_utils; use cidr_utils::cidr::Ipv4Cidr; use cidr_utils::utils::Ipv4CidrSeparator; let cidr = Ipv4Cidr::from_str("192.168.56.0/24").unwrap(); let result = Ipv4CidrSeparator::divide_by(&cidr, 4).unwrap(); assert_eq!(4, result.len()); assert_eq!(64, result[0].size()); assert_eq!(64, result[1].size()); assert_eq!(64, result[2].size()); assert_eq!(64, result[3].size()); assert_eq!("[192.168.56.0/26]".to_string(), result[0].to_string()); assert_eq!("[192.168.56.64/26]".to_string(), result[1].to_string()); assert_eq!("[192.168.56.128/26]".to_string(), result[2].to_string()); assert_eq!("[192.168.56.192/26]".to_string(), result[3].to_string()); let result = Ipv4CidrSeparator::divide_by(&cidr, 5).unwrap(); assert_eq!(5, result.len()); assert_eq!(51, result[0].size()); assert_eq!(51, result[1].size()); assert_eq!(51, result[2].size()); assert_eq!(51, result[3].size()); assert_eq!(52, result[4].size()); assert_eq!("[192.168.56.0/27, 192.168.56.32/28, 192.168.56.48/31, 192.168.56.50/32]".to_string(), result[0].to_string()); assert_eq!("[192.168.56.51/32, 192.168.56.52/30, 192.168.56.56/29, 192.168.56.64/27, 192.168.56.96/30, 192.168.56.100/31]".to_string(), result[1].to_string()); assert_eq!("[192.168.56.102/31, 192.168.56.104/29, 192.168.56.112/28, 192.168.56.128/28, 192.168.56.144/29, 192.168.56.152/32]".to_string(), result[2].to_string()); assert_eq!("[192.168.56.153/32, 192.168.56.154/31, 192.168.56.156/30, 192.168.56.160/27, 192.168.56.192/29, 192.168.56.200/30]".to_string(), result[3].to_string()); assert_eq!("[192.168.56.204/30, 192.168.56.208/28, 192.168.56.224/27]".to_string(), result[4].to_string()); let result = Ipv4CidrSeparator::sub_networks(&cidr, 26).unwrap(); assert_eq!(4, result.len()); assert_eq!(64, result[0].size()); assert_eq!(64, result[1].size()); assert_eq!(64, result[2].size()); assert_eq!(64, result[3].size()); assert_eq!("192.168.56.0/26".to_string(), result[0].to_string()); assert_eq!("192.168.56.64/26".to_string(), result[1].to_string()); assert_eq!("192.168.56.128/26".to_string(), result[2].to_string()); assert_eq!("192.168.56.192/26".to_string(), result[3].to_string()); ``` */ #[macro_use] extern crate lazy_static; extern crate regex; /// This module provides data structures for IPv4 CIDRs and IPv6 CIDRs. pub mod cidr; /// This module provides data structures and functions for specific usage. pub mod utils;