int ipinstance::determineGroup(std::string &user, int &fg)
{
struct in_addr sin;
inet_aton(user.c_str(), &sin);
uint32_t addr = ntohl(sin.s_addr);
// check straight IPs, subnets, and ranges
fg = inList(addr);
if (fg >= 0) {
#ifdef DGDEBUG
std::cout << "Matched IP " << user << " to straight IP list" << std::endl;
#endif
return DGAUTH_OK;
}
fg = inSubnet(addr);
if (fg >= 0) {
#ifdef DGDEBUG
std::cout << "Matched IP " << user << " to subnet" << std::endl;
#endif
return DGAUTH_OK;
}
fg = inRange(addr);
if (fg >= 0) {
#ifdef DGDEBUG
std::cout << "Matched IP " << user << " to range" << std::endl;
#endif
return DGAUTH_OK;
}
#ifdef DGDEBUG
std::cout << "Matched IP " << user << " to nothing" << std::endl;
#endif
return DGAUTH_NOMATCH;
}
// public
bool IPAddress::inSubnet(StringPiece cidrNetwork) const {
auto subnetInfo = IPAddress::createNetwork(cidrNetwork);
return inSubnet(subnetInfo.first, subnetInfo.second);
}