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Merge #15689: netaddress: Update CNetAddr for ORCHIDv2

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8be3f3063 netaddress: Update CNetAddr for ORCHIDv2 (Carl Dong)

Pull request description:

  ```
  The original ORCHID prefix was deprecated as of 2014-03, the new
  ORCHIDv2 prefix was allocated by RFC7343 as of 2014-07. We did not
  consider the original ORCHID prefix routable, and I don't see any reason
  to consider the new one to be either.
  ```

  Would like to know if people think this kind of thing is even worth keeping the codebase updated for. Perhaps it'd be nice to write a devtool to pull the csv from [here](https://www.iana.org/assignments/iana-ipv6-special-registry/iana-ipv6-special-registry.xhtml) and generate the code.

ACKs for commit 8be3f3:
  laanwj:
    utACK 8be3f3063
  ryanofsky:
    utACK 8be3f30633. Only change since last review is rebasing after #15718 merge.

Tree-SHA512: 7c93317f597b1a6c1443e12dd690010392edb9d72a479a8201970db7d3444fbb99a80b98026caad6fbfbebb455ab4035d2dde79bc9263bfd1d0398cd218392e1
This commit is contained in:
Wladimir J. van der Laan 2019-06-06 12:52:10 +02:00
commit fc6cbc31e9
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3 changed files with 9 additions and 2 deletions
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7
src/netaddress.cpp
View file

@ -204,6 +204,11 @@ bool CNetAddr::IsRFC4843() const
return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x10);
}
bool CNetAddr::IsRFC7343() const
{
return (GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x00 && (GetByte(12) & 0xF0) == 0x20);
}
/**
* @returns Whether or not this is a dummy address that maps an onion address
* into IPv6.
@ -289,7 +294,7 @@ bool CNetAddr::IsValid() const
*/
bool CNetAddr::IsRoutable() const
{
return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsLocal() || IsInternal());
return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsRFC7343() || IsLocal() || IsInternal());
}
/**

3
src/netaddress.h
View file

@ -63,7 +63,8 @@ class CNetAddr
bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16)
bool IsRFC4193() const; // IPv6 unique local (FC00::/7)
bool IsRFC4380() const; // IPv6 Teredo tunnelling (2001::/32)
bool IsRFC4843() const; // IPv6 ORCHID (2001:10::/28)
bool IsRFC4843() const; // IPv6 ORCHID (deprecated) (2001:10::/28)
bool IsRFC7343() const; // IPv6 ORCHIDv2 (2001:20::/28)
bool IsRFC4862() const; // IPv6 autoconfig (FE80::/64)
bool IsRFC6052() const; // IPv6 well-known prefix for IPv4-embedded address (64:FF9B::/96)
bool IsRFC6145() const; // IPv6 IPv4-translated address (::FFFF:0:0:0/96) (actually defined in RFC2765)

1
src/test/netbase_tests.cpp
View file

@ -59,6 +59,7 @@ BOOST_AUTO_TEST_CASE(netbase_properties)
BOOST_CHECK(ResolveIP("FC00::").IsRFC4193());
BOOST_CHECK(ResolveIP("2001::2").IsRFC4380());
BOOST_CHECK(ResolveIP("2001:10::").IsRFC4843());
BOOST_CHECK(ResolveIP("2001:20::").IsRFC7343());
BOOST_CHECK(ResolveIP("FE80::").IsRFC4862());
BOOST_CHECK(ResolveIP("64:FF9B::").IsRFC6052());
BOOST_CHECK(ResolveIP("FD87:D87E:EB43:edb1:8e4:3588:e546:35ca").IsTor());