void UserNSConfig::assertMapCorrect(const IDMap &map, const std::string &ID,
unsigned contID, unsigned hostID, unsigned num) const
{
if (map.size() >= 5) {
const std::string msg = "Max number of 5 " + ID + " mappings has been already reached";
LOGE(msg);
throw ConfigureException(msg);
}
uid_t max = (uid_t)-1;
if ((contID > (max - num)) || (hostID > (max - num))) {
const std::string msg = "Given " + ID + " range exceeds maximum allowed values";
LOGE(msg);
throw ConfigureException(msg);
}
if (map.size()) {
for (auto &it : map) {
unsigned size = std::get<2>(it);
uid_t contMin = std::get<0>(it);
uid_t contMax = contMin + size - 1;
uid_t hostMin = std::get<1>(it);
uid_t hostMax = hostMin + size - 1;
if ((contMin <= contID && contID <= contMax) ||
(hostMin <= hostID && hostID <= hostMax)) {
const std::string msg = "Given " + ID + " range overlaps with already configured mappings";
LOGE(msg);
throw ConfigureException(msg);
}
}
}
}
