diff options
| author | Luke Dashjr <luke-jr+git@utopios.org> | 2018-10-20 14:48:29 +0000 |
|---|---|---|
| committer | Luke Dashjr <luke-jr+git@utopios.org> | 2018-11-22 01:44:59 +0000 |
| commit | d6a1287481428d982dc03be3a6d9aeef8398f468 (patch) | |
| tree | c9523b290b7c1714a4cc6d0e829cf9033ccf2c19 | |
| parent | 3615003952ffbc814bdb53d9d0e45790f152bd2f (diff) | |
CNetAddr: Add IsBindAny method to check for INADDR_ANY
| -rw-r--r-- | src/netaddress.cpp | 10 | ||||
| -rw-r--r-- | src/netaddress.h | 1 |
2 files changed, 11 insertions, 0 deletions
diff --git a/src/netaddress.cpp b/src/netaddress.cpp index e1af4eff62..72be77dfd9 100644 --- a/src/netaddress.cpp +++ b/src/netaddress.cpp @@ -83,6 +83,16 @@ unsigned int CNetAddr::GetByte(int n) const return ip[15-n]; } +bool CNetAddr::IsBindAny() const +{ + const int cmplen = IsIPv4() ? 4 : 16; + for (int i = 0; i < cmplen; ++i) { + if (GetByte(i)) return false; + } + + return true; +} + bool CNetAddr::IsIPv4() const { return (memcmp(ip, pchIPv4, sizeof(pchIPv4)) == 0); diff --git a/src/netaddress.h b/src/netaddress.h index cc0e4d4f12..86c13b3465 100644 --- a/src/netaddress.h +++ b/src/netaddress.h @@ -55,6 +55,7 @@ class CNetAddr bool SetInternal(const std::string& name); bool SetSpecial(const std::string &strName); // for Tor addresses + bool IsBindAny() const; // INADDR_ANY equivalent 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) |