From a87cd2d0941d5cf6b88f630159946ae66d3e464e Mon Sep 17 00:00:00 2001 From: Adam Ierymenko Date: Mon, 6 Jul 2015 16:32:34 -0700 Subject: Unix side of local interface address awareness for GitHub issue #180. --- node/InetAddress.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'node/InetAddress.cpp') diff --git a/node/InetAddress.cpp b/node/InetAddress.cpp index 83de36d4..91bfbed6 100644 --- a/node/InetAddress.cpp +++ b/node/InetAddress.cpp @@ -91,7 +91,13 @@ InetAddress::IpScope InetAddress::ipScope() const const unsigned char *ip = reinterpret_cast(reinterpret_cast(this)->sin6_addr.s6_addr); if ((ip[0] & 0xf0) == 0xf0) { if (ip[0] == 0xff) return IP_SCOPE_MULTICAST; // ff00::/8 - if ((ip[0] == 0xfe)&&((ip[1] & 0xc0) == 0x80)) return IP_SCOPE_LINK_LOCAL; // fe80::/10 + if ((ip[0] == 0xfe)&&((ip[1] & 0xc0) == 0x80)) { + unsigned int k = 2; + while ((!ip[k])&&(k < 15)) ++k; + if ((k == 15)&&(ip[15] == 0x01)) + return IP_SCOPE_LOOPBACK; // fe80::1/128 + else return IP_SCOPE_LINK_LOCAL; // fe80::/10 + } if ((ip[0] & 0xfe) == 0xfc) return IP_SCOPE_PRIVATE; // fc00::/7 } unsigned int k = 0; -- cgit v1.2.3