///
/// The following return false:
///
- /// - private address (10.0.0.0/8, 172.16.0.0/12 and 192.168.0.0/16)
- /// - the loopback address (127.0.0.0/8)
- /// - the link-local address (169.254.0.0/16)
- /// - the broadcast address (255.255.255.255/32)
- /// - test addresses used for documentation (192.0.2.0/24, 198.51.100.0/24 and 203.0.113.0/24)
- /// - the unspecified address (0.0.0.0)
+ /// - private addresses (see [`is_private()`](#method.is_private))
+ /// - the loopback address (see [`is_loopback()`](#method.is_loopback))
+ /// - the link-local address (see [`is_link_local()`](#method.is_link_local))
+ /// - the broadcast address (see [`is_broadcast()`](#method.is_broadcast))
+ /// - addresses used for documentation (see [`is_documentation()`](#method.is_documentation))
+ /// - the unspecified address (see [`is_unspecified()`](#method.is_unspecified)), and the whole
+ /// 0.0.0.0/8 block
+ /// - addresses reserved for future protocols (see
+ /// [`is_ietf_protocol_assignment()`](#method.is_ietf_protocol_assignment), except
+ /// `192.0.0.9/32` and `192.0.0.10/32` which are globally routable
+ /// - addresses reserved for future use (see [`is_reserved()`](#method.is_reserved)
+ /// - addresses reserved for networking devices benchmarking (see
+ /// [`is_benchmarking`](#method.is_benchmarking))
///
/// [ipv4-sr]: https://www.iana.org/assignments/iana-ipv4-special-registry/iana-ipv4-special-registry.xhtml
/// [`true`]: ../../std/primitive.bool.html
/// use std::net::Ipv4Addr;
///
/// fn main() {
+ /// // private addresses are not global
/// assert_eq!(Ipv4Addr::new(10, 254, 0, 0).is_global(), false);
/// assert_eq!(Ipv4Addr::new(192, 168, 10, 65).is_global(), false);
/// assert_eq!(Ipv4Addr::new(172, 16, 10, 65).is_global(), false);
+ ///
+ /// // the 0.0.0.0/8 block is not global
+ /// assert_eq!(Ipv4Addr::new(0, 1, 2, 3).is_global(), false);
+ /// // in particular, the unspecified address is not global
/// assert_eq!(Ipv4Addr::new(0, 0, 0, 0).is_global(), false);
+ ///
+ /// // the loopback address is not global
+ /// assert_eq!(Ipv4Addr::new(127, 0, 0, 1).is_global(), false);
+ ///
+ /// // link local addresses are not global
+ /// assert_eq!(Ipv4Addr::new(169, 254, 45, 1).is_global(), false);
+ ///
+ /// // the broadcast address is not global
+ /// assert_eq!(Ipv4Addr::new(255, 255, 255, 255).is_global(), false);
+ ///
+ /// // the broadcast address is not global
+ /// assert_eq!(Ipv4Addr::new(192, 0, 2, 255).is_global(), false);
+ /// assert_eq!(Ipv4Addr::new(198, 51, 100, 65).is_global(), false);
+ /// assert_eq!(Ipv4Addr::new(203, 0, 113, 6).is_global(), false);
+ ///
+ /// // shared addresses are not global
+ /// assert_eq!(Ipv4Addr::new(100, 100, 0, 0).is_global(), false);
+ ///
+ /// // addresses reserved for protocol assignment are not global
+ /// assert_eq!(Ipv4Addr::new(192, 0, 0, 0).is_global(), false);
+ /// assert_eq!(Ipv4Addr::new(192, 0, 0, 255).is_global(), false);
+ ///
+ /// // addresses reserved for future use are not global
+ /// assert_eq!(Ipv4Addr::new(250, 10, 20, 30).is_global(), false);
+ ///
+ /// // addresses reserved for network devices benchmarking are not global
+ /// assert_eq!(Ipv4Addr::new(198, 18, 0, 0).is_global(), false);
+ ///
+ /// // All the other addresses are global
+ /// assert_eq!(Ipv4Addr::new(1, 1, 1, 1).is_global(), true);
/// assert_eq!(Ipv4Addr::new(80, 9, 12, 3).is_global(), true);
/// }
/// ```
pub fn is_global(&self) -> bool {
- !self.is_private() && !self.is_loopback() && !self.is_link_local() &&
- !self.is_broadcast() && !self.is_documentation() && !self.is_unspecified()
+ // check if this address is 192.0.0.9 or 192.0.0.10. These addresses are the only two
+ // globally routable addresses in the 192.0.0.0/24 range.
+ if u32::from(*self) == 0xc0000009 || u32::from(*self) == 0xc000000a {
+ return true;
+ }
+ !self.is_private()
+ && !self.is_loopback()
+ && !self.is_link_local()
+ && !self.is_broadcast()
+ && !self.is_documentation()
+ && !self.is_shared()
+ && !self.is_ietf_protocol_assignment()
+ && !self.is_reserved()
+ && !self.is_benchmarking()
+ // Make sure the address is not in 0.0.0.0/8
+ && self.octets()[0] != 0
+ }
+
+ /// Returns [`true`] if this address is part of the Shared Address Space defined in
+ /// [IETF RFC 6598] (`100.64.0.0/10`).
+ ///
+ /// [IETF RFC 6598]: https://tools.ietf.org/html/rfc6598
+ /// [`true`]: ../../std/primitive.bool.html
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// #![feature(ip)]
+ /// use std::net::Ipv4Addr;
+ ///
+ /// fn main() {
+ /// assert_eq!(Ipv4Addr::new(100, 64, 0, 0).is_shared(), true);
+ /// assert_eq!(Ipv4Addr::new(100, 127, 255, 255).is_shared(), true);
+ /// assert_eq!(Ipv4Addr::new(100, 128, 0, 0).is_shared(), false);
+ /// }
+ /// ```
+ pub fn is_shared(&self) -> bool {
+ self.octets()[0] == 100 && (self.octets()[1] & 0b1100_0000 == 0b0100_0000)
+ }
+
+ /// Returns [`true`] if this address is part of `192.0.0.0/24`, which is reserved to
+ /// IANA for IETF protocol assignments, as documented in [IETF RFC 6890].
+ ///
+ /// Note that parts of this block are in use:
+ ///
+ /// - `192.0.0.8/32` is the "IPv4 dummy address" (see [IETF RFC 7600])
+ /// - `192.0.0.9/32` is the "Port Control Protocol Anycast" (see [IETF RFC 7723])
+ /// - `192.0.0.10/32` is used for NAT traversal (see [IETF RFC 8155])
+ ///
+ /// [IETF RFC 6890]: https://tools.ietf.org/html/rfc6890
+ /// [IETF RFC 7600]: https://tools.ietf.org/html/rfc7600
+ /// [IETF RFC 7723]: https://tools.ietf.org/html/rfc7723
+ /// [IETF RFC 8155]: https://tools.ietf.org/html/rfc8155
+ /// [`true`]: ../../std/primitive.bool.html
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// #![feature(ip)]
+ /// use std::net::Ipv4Addr;
+ ///
+ /// fn main() {
+ /// assert_eq!(Ipv4Addr::new(192, 0, 0, 0).is_ietf_protocol_assignment(), true);
+ /// assert_eq!(Ipv4Addr::new(192, 0, 0, 8).is_ietf_protocol_assignment(), true);
+ /// assert_eq!(Ipv4Addr::new(192, 0, 0, 9).is_ietf_protocol_assignment(), true);
+ /// assert_eq!(Ipv4Addr::new(192, 0, 0, 255).is_ietf_protocol_assignment(), true);
+ /// assert_eq!(Ipv4Addr::new(192, 0, 1, 0).is_ietf_protocol_assignment(), false);
+ /// assert_eq!(Ipv4Addr::new(191, 255, 255, 255).is_ietf_protocol_assignment(), false);
+ /// }
+ /// ```
+ pub fn is_ietf_protocol_assignment(&self) -> bool {
+ self.octets()[0] == 192 && self.octets()[1] == 0 && self.octets()[2] == 0
+ }
+
+ /// Returns [`true`] if this address part of the `198.18.0.0/15` range, which is reserved for
+ /// network devices benchmarking. This range is defined in [IETF RFC 2544] as `192.18.0.0`
+ /// through `198.19.255.255` but [errata 423] corrects it to `198.18.0.0/15`.
+ ///
+ /// [IETF RFC 1112]: https://tools.ietf.org/html/rfc1112
+ /// [errate 423]: https://www.rfc-editor.org/errata/eid423
+ /// [`true`]: ../../std/primitive.bool.html
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// #![feature(ip)]
+ /// use std::net::Ipv4Addr;
+ ///
+ /// fn main() {
+ /// assert_eq!(Ipv4Addr::new(198, 17, 255, 255).is_benchmarking(), false);
+ /// assert_eq!(Ipv4Addr::new(198, 18, 0, 0).is_benchmarking(), true);
+ /// assert_eq!(Ipv4Addr::new(198, 19, 255, 255).is_benchmarking(), true);
+ /// assert_eq!(Ipv4Addr::new(198, 20, 0, 0).is_benchmarking(), false);
+ /// }
+ /// ```
+ pub fn is_benchmarking(&self) -> bool {
+ self.octets()[0] == 198 && (self.octets()[1] & 0xfe) == 18
+ }
+
+ /// Returns [`true`] if this address is reserved by IANA for future use. [IETF RFC 1112]
+ /// defines the block of reserved addresses as `240.0.0.0/4`. This range normally includes the
+ /// broadcast address `255.255.255.255`, but this implementation explicitely excludes it, since
+ /// it is obviously not reserved for future use.
+ ///
+ /// [IETF RFC 1112]: https://tools.ietf.org/html/rfc1112
+ /// [`true`]: ../../std/primitive.bool.html
+ ///
+ /// # Warning
+ ///
+ /// As IANA assigns new addresses, this method will be
+ /// updated. This may result in non-reserved addresses being
+ /// treated as reserved in code that relies on an outdated version
+ /// of this method.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// #![feature(ip)]
+ /// use std::net::Ipv4Addr;
+ ///
+ /// fn main() {
+ /// assert_eq!(Ipv4Addr::new(240, 0, 0, 0).is_reserved(), true);
+ /// assert_eq!(Ipv4Addr::new(255, 255, 255, 254).is_reserved(), true);
+ ///
+ /// assert_eq!(Ipv4Addr::new(239, 255, 255, 255).is_reserved(), false);
+ /// // The broadcast address is not considered as reserved for future use by this
+ /// // implementation
+ /// assert_eq!(Ipv4Addr::new(255, 255, 255, 255).is_reserved(), false);
+ /// }
+ /// ```
+ pub fn is_reserved(&self) -> bool {
+ self.octets()[0] & 240 == 240 && !self.is_broadcast()
}
/// Returns [`true`] if this is a multicast address (224.0.0.0/4).
}
}
- /// Returns [`true`] if this is a unique local address (fc00::/7).
+ /// Returns [`true`] if this is a unique local address (`fc00::/7`).
///
/// This property is defined in [IETF RFC 4193].
///
(self.segments()[0] & 0xfe00) == 0xfc00
}
- /// Returns [`true`] if the address is unicast and link-local (fe80::/10).
+ /// Returns [`true`] if the address is a unicast link-local address (`fe80::/64`).
///
- /// This property is defined in [IETF RFC 4291].
+ /// A common mis-conception is to think that "unicast link-local addresses start with
+ /// `fe80::`", but the [IETF RFC 4291] actually defines a stricter format for these addresses:
+ ///
+ /// ```no_rust
+ /// | 10 |
+ /// | bits | 54 bits | 64 bits |
+ /// +----------+-------------------------+----------------------------+
+ /// |1111111010| 0 | interface ID |
+ /// +----------+-------------------------+----------------------------+
+ /// ```
+ ///
+ /// This method validates the format defined in the RFC and won't recognize the following
+ /// addresses such as `fe80:0:0:1::` or `fe81::` as unicast link-local addresses for example.
+ /// If you need a less strict validation use [`is_unicast_link_local()`] instead.
+ ///
+ /// # Examples
+ ///
+ /// ```
+ /// #![feature(ip)]
+ ///
+ /// use std::net::Ipv6Addr;
+ ///
+ /// fn main() {
+ /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0, 0, 0, 0);
+ /// assert!(ip.is_unicast_link_local_strict());
+ ///
+ /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0xffff, 0xffff, 0xffff, 0xffff);
+ /// assert!(ip.is_unicast_link_local_strict());
+ ///
+ /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 1, 0, 0, 0, 0);
+ /// assert!(!ip.is_unicast_link_local_strict());
+ /// assert!(ip.is_unicast_link_local());
+ ///
+ /// let ip = Ipv6Addr::new(0xfe81, 0, 0, 0, 0, 0, 0, 0);
+ /// assert!(!ip.is_unicast_link_local_strict());
+ /// assert!(ip.is_unicast_link_local());
+ /// }
+ /// ```
+ ///
+ /// # See also
+ ///
+ /// - [IETF RFC 4291 section 2.5.6]
+ /// - [RFC 4291 errata 4406]
+ /// - [`is_unicast_link_local()`]
///
/// [IETF RFC 4291]: https://tools.ietf.org/html/rfc4291
+ /// [IETF RFC 4291 section 2.5.6]: https://tools.ietf.org/html/rfc4291#section-2.5.6
/// [`true`]: ../../std/primitive.bool.html
+ /// [RFC 4291 errata 4406]: https://www.rfc-editor.org/errata/eid4406
+ /// [`is_unicast_link_local()`]: ../../std/net/struct.Ipv6Addr.html#method.is_unicast_link_local
+ ///
+ pub fn is_unicast_link_local_strict(&self) -> bool {
+ (self.segments()[0] & 0xffff) == 0xfe80
+ && (self.segments()[1] & 0xffff) == 0
+ && (self.segments()[2] & 0xffff) == 0
+ && (self.segments()[3] & 0xffff) == 0
+ }
+
+ /// Returns [`true`] if the address is a unicast link-local address (`fe80::/10`).
+ ///
+ /// This method returns [`true`] for addresses in the range reserved by [RFC 4291 section 2.4],
+ /// i.e. addresses with the following format:
+ ///
+ /// ```no_rust
+ /// | 10 |
+ /// | bits | 54 bits | 64 bits |
+ /// +----------+-------------------------+----------------------------+
+ /// |1111111010| arbitratry value | interface ID |
+ /// +----------+-------------------------+----------------------------+
+ /// ```
+ ///
+ /// As a result, this method consider addresses such as `fe80:0:0:1::` or `fe81::` to be
+ /// unicast link-local addresses, whereas [`is_unicast_link_local_strict()`] does not. If you
+ /// need a strict validation fully compliant with the RFC, use
+ /// [`is_unicast_link_local_strict()`].
///
/// # Examples
///
/// use std::net::Ipv6Addr;
///
/// fn main() {
- /// assert_eq!(Ipv6Addr::new(0, 0, 0, 0, 0, 0xffff, 0xc00a, 0x2ff).is_unicast_link_local(),
- /// false);
- /// assert_eq!(Ipv6Addr::new(0xfe8a, 0, 0, 0, 0, 0, 0, 0).is_unicast_link_local(), true);
+ /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0, 0, 0, 0);
+ /// assert!(ip.is_unicast_link_local());
+ ///
+ /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 0, 0xffff, 0xffff, 0xffff, 0xffff);
+ /// assert!(ip.is_unicast_link_local());
+ ///
+ /// let ip = Ipv6Addr::new(0xfe80, 0, 0, 1, 0, 0, 0, 0);
+ /// assert!(ip.is_unicast_link_local());
+ /// assert!(!ip.is_unicast_link_local_strict());
+ ///
+ /// let ip = Ipv6Addr::new(0xfe81, 0, 0, 0, 0, 0, 0, 0);
+ /// assert!(ip.is_unicast_link_local());
+ /// assert!(!ip.is_unicast_link_local_strict());
/// }
/// ```
+ ///
+ /// # See also
+ ///
+ /// - [IETF RFC 4291 section 2.4]
+ /// - [RFC 4291 errata 4406]
+ ///
+ /// [IETF RFC 4291 section 2.4]: https://tools.ietf.org/html/rfc4291#section-2.4
+ /// [`true`]: ../../std/primitive.bool.html
+ /// [RFC 4291 errata 4406]: https://www.rfc-editor.org/errata/eid4406
+ /// [`is_unicast_link_local_strict()`]: ../../std/net/struct.Ipv6Addr.html#method.is_unicast_link_local_strict
+ ///
pub fn is_unicast_link_local(&self) -> bool {
(self.segments()[0] & 0xffc0) == 0xfe80
}
- /// Returns [`true`] if this is a deprecated unicast site-local address
- /// (fec0::/10).
+ /// Returns [`true`] if this is a deprecated unicast site-local address (fec0::/10). The
+ /// unicast site-local address format is defined in [RFC 4291 section 2.5.7] as:
+ ///
+ /// ```no_rust
+ /// | 10 |
+ /// | bits | 54 bits | 64 bits |
+ /// +----------+-------------------------+----------------------------+
+ /// |1111111011| subnet ID | interface ID |
+ /// +----------+-------------------------+----------------------------+
+ /// ```
///
/// [`true`]: ../../std/primitive.bool.html
+ /// [RFC 4291 section 2.5.7]: https://tools.ietf.org/html/rfc4291#section-2.5.7
///
/// # Examples
///
/// assert_eq!(Ipv6Addr::new(0xfec2, 0, 0, 0, 0, 0, 0, 0).is_unicast_site_local(), true);
/// }
/// ```
+ ///
+ /// # Warning
+ ///
+ /// As per [RFC 3879], the whole `FEC0::/10` prefix is
+ /// deprecated. New software must not support site-local
+ /// addresses.
+ ///
+ /// [RFC 3879]: https://tools.ietf.org/html/rfc3879
pub fn is_unicast_site_local(&self) -> bool {
(self.segments()[0] & 0xffc0) == 0xfec0
}
///
/// - the loopback address
/// - the link-local addresses
- /// - the (deprecated) site-local addresses
/// - unique local addresses
/// - the unspecified address
/// - the address range reserved for documentation
///
+ /// This method returns [`true`] for site-local addresses as per [RFC 4291 section 2.5.7]
+ ///
+ /// ```no_rust
+ /// The special behavior of [the site-local unicast] prefix defined in [RFC3513] must no longer
+ /// be supported in new implementations (i.e., new implementations must treat this prefix as
+ /// Global Unicast).
+ /// ```
+ ///
/// [`true`]: ../../std/primitive.bool.html
+ /// [RFC 4291 section 2.5.7]: https://tools.ietf.org/html/rfc4291#section-2.5.7
///
/// # Examples
///
/// ```
pub fn is_unicast_global(&self) -> bool {
!self.is_multicast()
- && !self.is_loopback() && !self.is_unicast_link_local()
- && !self.is_unicast_site_local() && !self.is_unique_local()
- && !self.is_unspecified() && !self.is_documentation()
+ && !self.is_loopback()
+ && !self.is_unicast_link_local()
+ && !self.is_unique_local()
+ && !self.is_unspecified()
+ && !self.is_documentation()
}
/// Returns the address's multicast scope if the address is multicast.
#[cfg(all(test, not(target_os = "emscripten")))]
mod tests {
use crate::net::*;
- use crate::net::Ipv6MulticastScope::*;
use crate::net::test::{tsa, sa6, sa4};
+ use crate::str::FromStr;
#[test]
fn test_from_str_ipv4() {
#[test]
fn ip_properties() {
- fn check4(octets: &[u8; 4], unspec: bool, loopback: bool,
- global: bool, multicast: bool, documentation: bool) {
- let ip = IpAddr::V4(Ipv4Addr::new(octets[0], octets[1], octets[2], octets[3]));
- assert_eq!(ip.is_unspecified(), unspec);
- assert_eq!(ip.is_loopback(), loopback);
- assert_eq!(ip.is_global(), global);
- assert_eq!(ip.is_multicast(), multicast);
- assert_eq!(ip.is_documentation(), documentation);
+ macro_rules! ip {
+ ($s:expr) => {
+ IpAddr::from_str($s).unwrap()
+ }
}
- fn check6(str_addr: &str, unspec: bool, loopback: bool,
- global: bool, u_doc: bool, mcast: bool) {
- let ip = IpAddr::V6(str_addr.parse().unwrap());
- assert_eq!(ip.is_unspecified(), unspec);
- assert_eq!(ip.is_loopback(), loopback);
- assert_eq!(ip.is_global(), global);
- assert_eq!(ip.is_documentation(), u_doc);
- assert_eq!(ip.is_multicast(), mcast);
+ macro_rules! check {
+ ($s:expr) => {
+ check!($s, 0);
+ };
+
+ ($s:expr, $mask:expr) => {{
+ let unspec: u8 = 1 << 0;
+ let loopback: u8 = 1 << 1;
+ let global: u8 = 1 << 2;
+ let multicast: u8 = 1 << 3;
+ let doc: u8 = 1 << 4;
+
+ if ($mask & unspec) == unspec {
+ assert!(ip!($s).is_unspecified());
+ } else {
+ assert!(!ip!($s).is_unspecified());
+ }
+
+ if ($mask & loopback) == loopback {
+ assert!(ip!($s).is_loopback());
+ } else {
+ assert!(!ip!($s).is_loopback());
+ }
+
+ if ($mask & global) == global {
+ assert!(ip!($s).is_global());
+ } else {
+ assert!(!ip!($s).is_global());
+ }
+
+ if ($mask & multicast) == multicast {
+ assert!(ip!($s).is_multicast());
+ } else {
+ assert!(!ip!($s).is_multicast());
+ }
+
+ if ($mask & doc) == doc {
+ assert!(ip!($s).is_documentation());
+ } else {
+ assert!(!ip!($s).is_documentation());
+ }
+ }}
}
- // address unspec loopbk global multicast doc
- check4(&[0, 0, 0, 0], true, false, false, false, false);
- check4(&[0, 0, 0, 1], false, false, true, false, false);
- check4(&[0, 1, 0, 0], false, false, true, false, false);
- check4(&[10, 9, 8, 7], false, false, false, false, false);
- check4(&[127, 1, 2, 3], false, true, false, false, false);
- check4(&[172, 31, 254, 253], false, false, false, false, false);
- check4(&[169, 254, 253, 242], false, false, false, false, false);
- check4(&[192, 0, 2, 183], false, false, false, false, true);
- check4(&[192, 1, 2, 183], false, false, true, false, false);
- check4(&[192, 168, 254, 253], false, false, false, false, false);
- check4(&[198, 51, 100, 0], false, false, false, false, true);
- check4(&[203, 0, 113, 0], false, false, false, false, true);
- check4(&[203, 2, 113, 0], false, false, true, false, false);
- check4(&[224, 0, 0, 0], false, false, true, true, false);
- check4(&[239, 255, 255, 255], false, false, true, true, false);
- check4(&[255, 255, 255, 255], false, false, false, false, false);
-
- // address unspec loopbk global doc mcast
- check6("::", true, false, false, false, false);
- check6("::1", false, true, false, false, false);
- check6("::0.0.0.2", false, false, true, false, false);
- check6("1::", false, false, true, false, false);
- check6("fc00::", false, false, false, false, false);
- check6("fdff:ffff::", false, false, false, false, false);
- check6("fe80:ffff::", false, false, false, false, false);
- check6("febf:ffff::", false, false, false, false, false);
- check6("fec0::", false, false, false, false, false);
- check6("ff01::", false, false, false, false, true);
- check6("ff02::", false, false, false, false, true);
- check6("ff03::", false, false, false, false, true);
- check6("ff04::", false, false, false, false, true);
- check6("ff05::", false, false, false, false, true);
- check6("ff08::", false, false, false, false, true);
- check6("ff0e::", false, false, true, false, true);
- check6("2001:db8:85a3::8a2e:370:7334", false, false, false, true, false);
- check6("102:304:506:708:90a:b0c:d0e:f10", false, false, true, false, false);
+ let unspec: u8 = 1 << 0;
+ let loopback: u8 = 1 << 1;
+ let global: u8 = 1 << 2;
+ let multicast: u8 = 1 << 3;
+ let doc: u8 = 1 << 4;
+
+ check!("0.0.0.0", unspec);
+ check!("0.0.0.1");
+ check!("0.1.0.0");
+ check!("10.9.8.7");
+ check!("127.1.2.3", loopback);
+ check!("172.31.254.253");
+ check!("169.254.253.242");
+ check!("192.0.2.183", doc);
+ check!("192.1.2.183", global);
+ check!("192.168.254.253");
+ check!("198.51.100.0", doc);
+ check!("203.0.113.0", doc);
+ check!("203.2.113.0", global);
+ check!("224.0.0.0", global|multicast);
+ check!("239.255.255.255", global|multicast);
+ check!("255.255.255.255");
+ // make sure benchmarking addresses are not global
+ check!("198.18.0.0");
+ check!("198.18.54.2");
+ check!("198.19.255.255");
+ // make sure addresses reserved for protocol assignment are not global
+ check!("192.0.0.0");
+ check!("192.0.0.255");
+ check!("192.0.0.100");
+ // make sure reserved addresses are not global
+ check!("240.0.0.0");
+ check!("251.54.1.76");
+ check!("254.255.255.255");
+ // make sure shared addresses are not global
+ check!("100.64.0.0");
+ check!("100.127.255.255");
+ check!("100.100.100.0");
+
+ check!("::", unspec);
+ check!("::1", loopback);
+ check!("::0.0.0.2", global);
+ check!("1::", global);
+ check!("fc00::");
+ check!("fdff:ffff::");
+ check!("fe80:ffff::");
+ check!("febf:ffff::");
+ check!("fec0::", global);
+ check!("ff01::", multicast);
+ check!("ff02::", multicast);
+ check!("ff03::", multicast);
+ check!("ff04::", multicast);
+ check!("ff05::", multicast);
+ check!("ff08::", multicast);
+ check!("ff0e::", global|multicast);
+ check!("2001:db8:85a3::8a2e:370:7334", doc);
+ check!("102:304:506:708:90a:b0c:d0e:f10", global);
}
#[test]
fn ipv4_properties() {
- fn check(octets: &[u8; 4], unspec: bool, loopback: bool,
- private: bool, link_local: bool, global: bool,
- multicast: bool, broadcast: bool, documentation: bool) {
- let ip = Ipv4Addr::new(octets[0], octets[1], octets[2], octets[3]);
- assert_eq!(octets, &ip.octets());
-
- assert_eq!(ip.is_unspecified(), unspec);
- assert_eq!(ip.is_loopback(), loopback);
- assert_eq!(ip.is_private(), private);
- assert_eq!(ip.is_link_local(), link_local);
- assert_eq!(ip.is_global(), global);
- assert_eq!(ip.is_multicast(), multicast);
- assert_eq!(ip.is_broadcast(), broadcast);
- assert_eq!(ip.is_documentation(), documentation);
+ macro_rules! ip {
+ ($s:expr) => {
+ Ipv4Addr::from_str($s).unwrap()
+ }
}
- // address unspec loopbk privt linloc global multicast brdcast doc
- check(&[0, 0, 0, 0], true, false, false, false, false, false, false, false);
- check(&[0, 0, 0, 1], false, false, false, false, true, false, false, false);
- check(&[0, 1, 0, 0], false, false, false, false, true, false, false, false);
- check(&[10, 9, 8, 7], false, false, true, false, false, false, false, false);
- check(&[127, 1, 2, 3], false, true, false, false, false, false, false, false);
- check(&[172, 31, 254, 253], false, false, true, false, false, false, false, false);
- check(&[169, 254, 253, 242], false, false, false, true, false, false, false, false);
- check(&[192, 0, 2, 183], false, false, false, false, false, false, false, true);
- check(&[192, 1, 2, 183], false, false, false, false, true, false, false, false);
- check(&[192, 168, 254, 253], false, false, true, false, false, false, false, false);
- check(&[198, 51, 100, 0], false, false, false, false, false, false, false, true);
- check(&[203, 0, 113, 0], false, false, false, false, false, false, false, true);
- check(&[203, 2, 113, 0], false, false, false, false, true, false, false, false);
- check(&[224, 0, 0, 0], false, false, false, false, true, true, false, false);
- check(&[239, 255, 255, 255], false, false, false, false, true, true, false, false);
- check(&[255, 255, 255, 255], false, false, false, false, false, false, true, false);
+ macro_rules! check {
+ ($s:expr) => {
+ check!($s, 0);
+ };
+
+ ($s:expr, $mask:expr) => {{
+ let unspec: u16 = 1 << 0;
+ let loopback: u16 = 1 << 1;
+ let private: u16 = 1 << 2;
+ let link_local: u16 = 1 << 3;
+ let global: u16 = 1 << 4;
+ let multicast: u16 = 1 << 5;
+ let broadcast: u16 = 1 << 6;
+ let documentation: u16 = 1 << 7;
+ let benchmarking: u16 = 1 << 8;
+ let ietf_protocol_assignment: u16 = 1 << 9;
+ let reserved: u16 = 1 << 10;
+ let shared: u16 = 1 << 11;
+
+ if ($mask & unspec) == unspec {
+ assert!(ip!($s).is_unspecified());
+ } else {
+ assert!(!ip!($s).is_unspecified());
+ }
+
+ if ($mask & loopback) == loopback {
+ assert!(ip!($s).is_loopback());
+ } else {
+ assert!(!ip!($s).is_loopback());
+ }
+
+ if ($mask & private) == private {
+ assert!(ip!($s).is_private());
+ } else {
+ assert!(!ip!($s).is_private());
+ }
+
+ if ($mask & link_local) == link_local {
+ assert!(ip!($s).is_link_local());
+ } else {
+ assert!(!ip!($s).is_link_local());
+ }
+
+ if ($mask & global) == global {
+ assert!(ip!($s).is_global());
+ } else {
+ assert!(!ip!($s).is_global());
+ }
+
+ if ($mask & multicast) == multicast {
+ assert!(ip!($s).is_multicast());
+ } else {
+ assert!(!ip!($s).is_multicast());
+ }
+
+ if ($mask & broadcast) == broadcast {
+ assert!(ip!($s).is_broadcast());
+ } else {
+ assert!(!ip!($s).is_broadcast());
+ }
+
+ if ($mask & documentation) == documentation {
+ assert!(ip!($s).is_documentation());
+ } else {
+ assert!(!ip!($s).is_documentation());
+ }
+
+ if ($mask & benchmarking) == benchmarking {
+ assert!(ip!($s).is_benchmarking());
+ } else {
+ assert!(!ip!($s).is_benchmarking());
+ }
+
+ if ($mask & ietf_protocol_assignment) == ietf_protocol_assignment {
+ assert!(ip!($s).is_ietf_protocol_assignment());
+ } else {
+ assert!(!ip!($s).is_ietf_protocol_assignment());
+ }
+
+ if ($mask & reserved) == reserved {
+ assert!(ip!($s).is_reserved());
+ } else {
+ assert!(!ip!($s).is_reserved());
+ }
+
+ if ($mask & shared) == shared {
+ assert!(ip!($s).is_shared());
+ } else {
+ assert!(!ip!($s).is_shared());
+ }
+ }}
+ }
+
+ let unspec: u16 = 1 << 0;
+ let loopback: u16 = 1 << 1;
+ let private: u16 = 1 << 2;
+ let link_local: u16 = 1 << 3;
+ let global: u16 = 1 << 4;
+ let multicast: u16 = 1 << 5;
+ let broadcast: u16 = 1 << 6;
+ let documentation: u16 = 1 << 7;
+ let benchmarking: u16 = 1 << 8;
+ let ietf_protocol_assignment: u16 = 1 << 9;
+ let reserved: u16 = 1 << 10;
+ let shared: u16 = 1 << 11;
+
+ check!("0.0.0.0", unspec);
+ check!("0.0.0.1");
+ check!("0.1.0.0");
+ check!("10.9.8.7", private);
+ check!("127.1.2.3", loopback);
+ check!("172.31.254.253", private);
+ check!("169.254.253.242", link_local);
+ check!("192.0.2.183", documentation);
+ check!("192.1.2.183", global);
+ check!("192.168.254.253", private);
+ check!("198.51.100.0", documentation);
+ check!("203.0.113.0", documentation);
+ check!("203.2.113.0", global);
+ check!("224.0.0.0", global|multicast);
+ check!("239.255.255.255", global|multicast);
+ check!("255.255.255.255", broadcast);
+ check!("198.18.0.0", benchmarking);
+ check!("198.18.54.2", benchmarking);
+ check!("198.19.255.255", benchmarking);
+ check!("192.0.0.0", ietf_protocol_assignment);
+ check!("192.0.0.255", ietf_protocol_assignment);
+ check!("192.0.0.100", ietf_protocol_assignment);
+ check!("240.0.0.0", reserved);
+ check!("251.54.1.76", reserved);
+ check!("254.255.255.255", reserved);
+ check!("100.64.0.0", shared);
+ check!("100.127.255.255", shared);
+ check!("100.100.100.0", shared);
}
#[test]
fn ipv6_properties() {
- fn check(str_addr: &str, octets: &[u8; 16], unspec: bool, loopback: bool,
- unique_local: bool, global: bool,
- u_link_local: bool, u_site_local: bool, u_global: bool, u_doc: bool,
- m_scope: Option<Ipv6MulticastScope>) {
- let ip: Ipv6Addr = str_addr.parse().unwrap();
- assert_eq!(str_addr, ip.to_string());
- assert_eq!(&ip.octets(), octets);
- assert_eq!(Ipv6Addr::from(*octets), ip);
-
- assert_eq!(ip.is_unspecified(), unspec);
- assert_eq!(ip.is_loopback(), loopback);
- assert_eq!(ip.is_unique_local(), unique_local);
- assert_eq!(ip.is_global(), global);
- assert_eq!(ip.is_unicast_link_local(), u_link_local);
- assert_eq!(ip.is_unicast_site_local(), u_site_local);
- assert_eq!(ip.is_unicast_global(), u_global);
- assert_eq!(ip.is_documentation(), u_doc);
- assert_eq!(ip.multicast_scope(), m_scope);
- assert_eq!(ip.is_multicast(), m_scope.is_some());
+ macro_rules! ip {
+ ($s:expr) => {
+ Ipv6Addr::from_str($s).unwrap()
+ }
+ }
+
+ macro_rules! check {
+ ($s:expr, &[$($octet:expr),*], $mask:expr) => {
+ assert_eq!($s, ip!($s).to_string());
+ let octets = &[$($octet),*];
+ assert_eq!(&ip!($s).octets(), octets);
+ assert_eq!(Ipv6Addr::from(*octets), ip!($s));
+
+ let unspecified: u16 = 1 << 0;
+ let loopback: u16 = 1 << 1;
+ let unique_local: u16 = 1 << 2;
+ let global: u16 = 1 << 3;
+ let unicast_link_local: u16 = 1 << 4;
+ let unicast_link_local_strict: u16 = 1 << 5;
+ let unicast_site_local: u16 = 1 << 6;
+ let unicast_global: u16 = 1 << 7;
+ let documentation: u16 = 1 << 8;
+ let multicast_interface_local: u16 = 1 << 9;
+ let multicast_link_local: u16 = 1 << 10;
+ let multicast_realm_local: u16 = 1 << 11;
+ let multicast_admin_local: u16 = 1 << 12;
+ let multicast_site_local: u16 = 1 << 13;
+ let multicast_organization_local: u16 = 1 << 14;
+ let multicast_global: u16 = 1 << 15;
+ let multicast: u16 = multicast_interface_local
+ | multicast_admin_local
+ | multicast_global
+ | multicast_link_local
+ | multicast_realm_local
+ | multicast_site_local
+ | multicast_organization_local;
+
+ if ($mask & unspecified) == unspecified {
+ assert!(ip!($s).is_unspecified());
+ } else {
+ assert!(!ip!($s).is_unspecified());
+ }
+ if ($mask & loopback) == loopback {
+ assert!(ip!($s).is_loopback());
+ } else {
+ assert!(!ip!($s).is_loopback());
+ }
+ if ($mask & unique_local) == unique_local {
+ assert!(ip!($s).is_unique_local());
+ } else {
+ assert!(!ip!($s).is_unique_local());
+ }
+ if ($mask & global) == global {
+ assert!(ip!($s).is_global());
+ } else {
+ assert!(!ip!($s).is_global());
+ }
+ if ($mask & unicast_link_local) == unicast_link_local {
+ assert!(ip!($s).is_unicast_link_local());
+ } else {
+ assert!(!ip!($s).is_unicast_link_local());
+ }
+ if ($mask & unicast_link_local_strict) == unicast_link_local_strict {
+ assert!(ip!($s).is_unicast_link_local_strict());
+ } else {
+ assert!(!ip!($s).is_unicast_link_local_strict());
+ }
+ if ($mask & unicast_site_local) == unicast_site_local {
+ assert!(ip!($s).is_unicast_site_local());
+ } else {
+ assert!(!ip!($s).is_unicast_site_local());
+ }
+ if ($mask & unicast_global) == unicast_global {
+ assert!(ip!($s).is_unicast_global());
+ } else {
+ assert!(!ip!($s).is_unicast_global());
+ }
+ if ($mask & documentation) == documentation {
+ assert!(ip!($s).is_documentation());
+ } else {
+ assert!(!ip!($s).is_documentation());
+ }
+ if ($mask & multicast) != 0 {
+ assert!(ip!($s).multicast_scope().is_some());
+ assert!(ip!($s).is_multicast());
+ } else {
+ assert!(ip!($s).multicast_scope().is_none());
+ assert!(!ip!($s).is_multicast());
+ }
+ if ($mask & multicast_interface_local) == multicast_interface_local {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::InterfaceLocal);
+ }
+ if ($mask & multicast_link_local) == multicast_link_local {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::LinkLocal);
+ }
+ if ($mask & multicast_realm_local) == multicast_realm_local {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::RealmLocal);
+ }
+ if ($mask & multicast_admin_local) == multicast_admin_local {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::AdminLocal);
+ }
+ if ($mask & multicast_site_local) == multicast_site_local {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::SiteLocal);
+ }
+ if ($mask & multicast_organization_local) == multicast_organization_local {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::OrganizationLocal);
+ }
+ if ($mask & multicast_global) == multicast_global {
+ assert_eq!(ip!($s).multicast_scope().unwrap(),
+ Ipv6MulticastScope::Global);
+ }
+ }
}
- // unspec loopbk uniqlo global unill unisl uniglo doc mscope
- check("::", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- true, false, false, false, false, false, false, false, None);
- check("::1", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
- false, true, false, false, false, false, false, false, None);
- check("::0.0.0.2", &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2],
- false, false, false, true, false, false, true, false, None);
- check("1::", &[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, true, false, false, true, false, None);
- check("fc00::", &[0xfc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, true, false, false, false, false, false, None);
- check("fdff:ffff::", &[0xfd, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, true, false, false, false, false, false, None);
- check("fe80:ffff::", &[0xfe, 0x80, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, true, false, false, false, None);
- check("febf:ffff::", &[0xfe, 0xbf, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, true, false, false, false, None);
- check("fec0::", &[0xfe, 0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, true, false, false, None);
- check("ff01::", &[0xff, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, false, false, false, Some(InterfaceLocal));
- check("ff02::", &[0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, false, false, false, Some(LinkLocal));
- check("ff03::", &[0xff, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, false, false, false, Some(RealmLocal));
- check("ff04::", &[0xff, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, false, false, false, Some(AdminLocal));
- check("ff05::", &[0xff, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, false, false, false, Some(SiteLocal));
- check("ff08::", &[0xff, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, false, false, false, false, false, Some(OrganizationLocal));
- check("ff0e::", &[0xff, 0xe, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
- false, false, false, true, false, false, false, false, Some(Global));
- check("2001:db8:85a3::8a2e:370:7334",
- &[0x20, 1, 0xd, 0xb8, 0x85, 0xa3, 0, 0, 0, 0, 0x8a, 0x2e, 3, 0x70, 0x73, 0x34],
- false, false, false, false, false, false, false, true, None);
- check("102:304:506:708:90a:b0c:d0e:f10",
- &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16],
- false, false, false, true, false, false, true, false, None);
+ let unspecified: u16 = 1 << 0;
+ let loopback: u16 = 1 << 1;
+ let unique_local: u16 = 1 << 2;
+ let global: u16 = 1 << 3;
+ let unicast_link_local: u16 = 1 << 4;
+ let unicast_link_local_strict: u16 = 1 << 5;
+ let unicast_site_local: u16 = 1 << 6;
+ let unicast_global: u16 = 1 << 7;
+ let documentation: u16 = 1 << 8;
+ let multicast_interface_local: u16 = 1 << 9;
+ let multicast_link_local: u16 = 1 << 10;
+ let multicast_realm_local: u16 = 1 << 11;
+ let multicast_admin_local: u16 = 1 << 12;
+ let multicast_site_local: u16 = 1 << 13;
+ let multicast_organization_local: u16 = 1 << 14;
+ let multicast_global: u16 = 1 << 15;
+
+ check!("::",
+ &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unspecified);
+
+ check!("::1",
+ &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1],
+ loopback);
+
+ check!("::0.0.0.2",
+ &[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2],
+ global | unicast_global);
+
+ check!("1::",
+ &[0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ global | unicast_global);
+
+ check!("fc00::",
+ &[0xfc, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unique_local);
+
+ check!("fdff:ffff::",
+ &[0xfd, 0xff, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unique_local);
+
+ check!("fe80:ffff::",
+ &[0xfe, 0x80, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unicast_link_local);
+
+ check!("fe80::",
+ &[0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unicast_link_local|unicast_link_local_strict);
+
+ check!("febf:ffff::",
+ &[0xfe, 0xbf, 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unicast_link_local);
+
+ check!("febf::",
+ &[0xfe, 0xbf, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unicast_link_local);
+
+ check!("febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff",
+ &[0xfe, 0xbf, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff],
+ unicast_link_local);
+
+ check!("fe80::ffff:ffff:ffff:ffff",
+ &[0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff],
+ unicast_link_local|unicast_link_local_strict);
+
+ check!("fe80:0:0:1::",
+ &[0xfe, 0x80, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0],
+ unicast_link_local);
+
+ check!("fec0::",
+ &[0xfe, 0xc0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ unicast_site_local|unicast_global|global);
+
+ check!("ff01::",
+ &[0xff, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_interface_local);
+
+ check!("ff02::",
+ &[0xff, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_link_local);
+
+ check!("ff03::",
+ &[0xff, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_realm_local);
+
+ check!("ff04::",
+ &[0xff, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_admin_local);
+
+ check!("ff05::",
+ &[0xff, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_site_local);
+
+ check!("ff08::",
+ &[0xff, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_organization_local);
+
+ check!("ff0e::",
+ &[0xff, 0xe, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+ multicast_global | global);
+
+ check!("2001:db8:85a3::8a2e:370:7334",
+ &[0x20, 1, 0xd, 0xb8, 0x85, 0xa3, 0, 0, 0, 0, 0x8a, 0x2e, 3, 0x70, 0x73, 0x34],
+ documentation);
+
+ check!("102:304:506:708:90a:b0c:d0e:f10",
+ &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16],
+ global| unicast_global);
}
#[test]
projects / rust.git / commitdiff