bool InspIRCd::BindPort(ConfigTag* tag, const irc::sockets::sockaddrs& sa, std::vector<ListenSocket*>& old_ports)
{
for (std::vector<ListenSocket*>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
{
if ((**n).bind_sa == sa)
{
// Replace tag, we know addr and port match, but other info (type, ssl) may not.
ServerInstance->Logs.Log("SOCKET", LOG_DEFAULT, "Replacing listener on %s from old tag at %s with new tag from %s",
sa.str().c_str(), (*n)->bind_tag->getTagLocation().c_str(), tag->getTagLocation().c_str());
(*n)->bind_tag = tag;
(*n)->ResetIOHookProvider();
old_ports.erase(n);
return true;
}
}
ListenSocket* ll = new ListenSocket(tag, sa);
if (ll->GetFd() < 0)
{
ServerInstance->Logs.Log("SOCKET", LOG_DEFAULT, "Failed to listen on %s from tag at %s: %s",
sa.str().c_str(), tag->getTagLocation().c_str(), strerror(errno));
delete ll;
return false;
}
ServerInstance->Logs.Log("SOCKET", LOG_DEFAULT, "Added a listener on %s from tag at %s", sa.str().c_str(), tag->getTagLocation().c_str());
ports.push_back(ll);
return true;
}
int InspIRCd::BindPorts(FailedPortList &failed_ports)
{
int bound = 0;
std::vector<ListenSocket*> old_ports(ports.begin(), ports.end());
ConfigTagList tags = ServerInstance->Config->ConfTags("bind");
for(ConfigIter i = tags.first; i != tags.second; ++i)
{
ConfigTag* tag = i->second;
std::string porttag = tag->getString("port");
std::string Addr = tag->getString("address");
if (strncasecmp(Addr.c_str(), "::ffff:", 7) == 0)
this->Logs->Log("SOCKET", LOG_DEFAULT, "Using 4in6 (::ffff:) isn't recommended. You should bind IPv4 addresses directly instead.");
irc::portparser portrange(porttag, false);
int portno = -1;
while (0 != (portno = portrange.GetToken()))
{
irc::sockets::sockaddrs bindspec;
if (!irc::sockets::aptosa(Addr, portno, bindspec))
continue;
std::string bind_readable = bindspec.str();
bool skip = false;
for (std::vector<ListenSocket*>::iterator n = old_ports.begin(); n != old_ports.end(); ++n)
{
if ((**n).bind_desc == bind_readable)
{
(*n)->bind_tag = tag; // Replace tag, we know addr and port match, but other info (type, ssl) may not
(*n)->ResetIOHookProvider();
skip = true;
old_ports.erase(n);
break;
}
}
if (!skip)
{
ListenSocket* ll = new ListenSocket(tag, bindspec);
if (ll->GetFd() > -1)
{
bound++;
ports.push_back(ll);
}
else
{
failed_ports.push_back(std::make_pair(bind_readable, strerror(errno)));
delete ll;
}
}
}
}
std::vector<ListenSocket*>::iterator n = ports.begin();
for (std::vector<ListenSocket*>::iterator o = old_ports.begin(); o != old_ports.end(); ++o)
{
while (n != ports.end() && *n != *o)
n++;
if (n == ports.end())
{
this->Logs->Log("SOCKET", LOG_DEFAULT, "Port bindings slipped out of vector, aborting close!");
break;
}
this->Logs->Log("SOCKET", LOG_DEFAULT, "Port binding %s was removed from the config file, closing.",
(**n).bind_desc.c_str());
delete *n;
// this keeps the iterator valid, pointing to the next element
n = ports.erase(n);
}
return bound;
}