From 2d06c0febfbe073c166717e4108deceefba38830 Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Tue, 28 Oct 2014 23:54:06 -0700 Subject: [PATCH] Add missing reserved address spaces. --- src/netbase.cpp | 19 ++++++++++++++++++- src/netbase.h | 3 +++ 2 files changed, 21 insertions(+), 1 deletion(-) diff --git a/src/netbase.cpp b/src/netbase.cpp index b3d100154..ea05b8766 100644 --- a/src/netbase.cpp +++ b/src/netbase.cpp @@ -667,11 +667,28 @@ bool CNetAddr::IsRFC1918() const (GetByte(3) == 172 && (GetByte(2) >= 16 && GetByte(2) <= 31))); } +bool CNetAddr::IsRFC2544() const +{ + return IsIPv4() && GetByte(3) == 198 && (GetByte(2) == 18 || GetByte(2) == 19); +} + bool CNetAddr::IsRFC3927() const { return IsIPv4() && (GetByte(3) == 169 && GetByte(2) == 254); } +bool CNetAddr::IsRFC6598() const +{ + return IsIPv4() && GetByte(3) == 100 && GetByte(2) >= 64 && GetByte(2) <= 127; +} + +bool CNetAddr::IsRFC5737() const +{ + return IsIPv4() && ((GetByte(3) == 192 && GetByte(2) == 0 && GetByte(1) == 2) || + (GetByte(3) == 198 && GetByte(2) == 51 && GetByte(1) == 100) || + (GetByte(3) == 203 && GetByte(2) == 0 && GetByte(1) == 113)); +} + bool CNetAddr::IsRFC3849() const { return GetByte(15) == 0x20 && GetByte(14) == 0x01 && GetByte(13) == 0x0D && GetByte(12) == 0xB8; @@ -778,7 +795,7 @@ bool CNetAddr::IsValid() const bool CNetAddr::IsRoutable() const { - return IsValid() && !(IsRFC1918() || IsRFC3927() || IsRFC4862() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsLocal()); + return IsValid() && !(IsRFC1918() || IsRFC2544() || IsRFC3927() || IsRFC4862() || IsRFC6598() || IsRFC5737() || (IsRFC4193() && !IsTor()) || IsRFC4843() || IsLocal()); } enum Network CNetAddr::GetNetwork() const diff --git a/src/netbase.h b/src/netbase.h index 1455cd8c3..9d8697dcc 100644 --- a/src/netbase.h +++ b/src/netbase.h @@ -61,6 +61,9 @@ class CNetAddr bool IsIPv4() const; // IPv4 mapped address (::FFFF:0:0/96, 0.0.0.0/0) bool IsIPv6() const; // IPv6 address (not mapped IPv4, not Tor) bool IsRFC1918() const; // IPv4 private networks (10.0.0.0/8, 192.168.0.0/16, 172.16.0.0/12) + bool IsRFC2544() const; // IPv4 inter-network communcations (192.18.0.0/15) + bool IsRFC6598() const; // IPv4 ISP-level NAT (100.64.0.0/10) + bool IsRFC5737() const; // IPv4 documentation addresses (192.0.2.0/24, 198.51.100.0/24, 203.0.113.0/24) bool IsRFC3849() const; // IPv6 documentation address (2001:0DB8::/32) bool IsRFC3927() const; // IPv4 autoconfig (169.254.0.0/16) bool IsRFC3964() const; // IPv6 6to4 tunnelling (2002::/16)