コード例 #1
0
ファイル: socket.cpp プロジェクト: aszrul/inspircd
bool irc::sockets::cidr_mask::match(const irc::sockets::sockaddrs& addr) const
{
	if (addr.family() != type)
		return false;
	irc::sockets::cidr_mask tmp(addr, length);
	return tmp == *this;
}
コード例 #2
0
ファイル: socket.cpp プロジェクト: aszrul/inspircd
static void sa2cidr(irc::sockets::cidr_mask& cidr, const irc::sockets::sockaddrs& sa, unsigned char range)
{
	const unsigned char* base;
	unsigned char target_byte;

	memset(cidr.bits, 0, sizeof(cidr.bits));

	cidr.type = sa.family();
	switch (cidr.type)
	{
		case AF_UNIX:
			// XXX: UNIX sockets don't support CIDR. This fix is non-ideal but I can't
			// really think of another way to handle it.
			cidr.length = 0;
			return;

		case AF_INET:
			cidr.length = range > 32 ? 32 : range;
			target_byte = sizeof(sa.in4.sin_addr);
			base = (unsigned char*)&sa.in4.sin_addr;
			break;

		case AF_INET6:
			cidr.length = range > 128 ? 128 : range;
			target_byte = sizeof(sa.in6.sin6_addr);
			base = (unsigned char*)&sa.in6.sin6_addr;
			break;

		default:
			// If we have reached this point then we have encountered a bug.
			ServerInstance->Logs.Log("SOCKET", LOG_DEBUG, "BUG: sa2cidr(): socket type %d is unknown!", cidr.type);
			cidr.length = 0;
			return;
	}

	unsigned int border = cidr.length / 8;
	unsigned int bitmask = (0xFF00 >> (range & 7)) & 0xFF;
	for(unsigned int i=0; i < target_byte; i++)
	{
		if (i < border)
			cidr.bits[i] = base[i];
		else if (i == border)
			cidr.bits[i] = base[i] & bitmask;
		else
			return;
	}
}
コード例 #3
0
ファイル: socket.cpp プロジェクト: aszrul/inspircd
bool irc::sockets::sockaddrs::operator==(const irc::sockets::sockaddrs& other) const
{
	if (family() != other.family())
		return false;

	switch (family())
	{
		case AF_INET:
			return (in4.sin_port == other.in4.sin_port) && (in4.sin_addr.s_addr == other.in4.sin_addr.s_addr);

		case AF_INET6:
			return (in6.sin6_port == other.in6.sin6_port) && !memcmp(in6.sin6_addr.s6_addr, other.in6.sin6_addr.s6_addr, 16);

		case AF_UNIX:
			return !strcmp(un.sun_path, other.un.sun_path);
	}

	// If we have reached this point then we have encountered a bug.
	ServerInstance->Logs.Log("SOCKET", LOG_DEBUG, "BUG: irc::sockets::sockaddrs::operator==(): socket type %d is unknown!", family());
	return !memcmp(this, &other, sizeof(*this));
}