* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
this->Timeout = NULL;
this->state = I_DISCONNECTED;
this->fd = -1;
- this->Instance = SI;
+ this->ServerInstance = SI;
}
BufferedSocket::BufferedSocket(InspIRCd* SI, int newfd, const char* ip)
this->fd = newfd;
this->state = I_CONNECTED;
strlcpy(this->IP,ip,MAXBUF);
- this->Instance = SI;
+ this->ServerInstance = SI;
if (this->fd > -1)
- this->Instance->SE->AddFd(this);
+ this->ServerInstance->SE->AddFd(this);
}
BufferedSocket::BufferedSocket(InspIRCd* SI, const std::string &ipaddr, int aport, unsigned long maxtime, const std::string &connectbindip)
{
this->cbindip = connectbindip;
this->fd = -1;
- this->Instance = SI;
+ this->ServerInstance = SI;
strlcpy(host,ipaddr.c_str(),MAXBUF);
this->Timeout = NULL;
strlcpy(this->host,ipaddr.c_str(),MAXBUF);
this->port = aport;
- bool ipvalid = true;
-#ifdef IPV6
- if (strchr(host,':'))
+ irc::sockets::sockaddrs testaddr;
+ if (!irc::sockets::aptosa(host, aport, &testaddr))
{
- in6_addr n;
- if (inet_pton(AF_INET6, host, &n) < 1)
- ipvalid = false;
- }
- else
-#endif
- {
- in_addr n;
- if (inet_aton(host,&n) < 1)
- ipvalid = false;
- }
- if (!ipvalid)
- {
- this->Instance->Logs->Log("SOCKET", DEBUG,"BUG: Hostname passed to BufferedSocket, rather than an IP address!");
+ this->ServerInstance->Logs->Log("SOCKET", DEBUG,"BUG: Hostname passed to BufferedSocket, rather than an IP address!");
this->OnError(I_ERR_CONNECT);
this->Close();
this->fd = -1;
int recvbuf = 32768;
if(setsockopt(this->fd,SOL_SOCKET,SO_SNDBUF,(const char *)&sendbuf,sizeof(sendbuf)) || setsockopt(this->fd,SOL_SOCKET,SO_RCVBUF,(const char *)&recvbuf,sizeof(sendbuf)))
{
- //this->Instance->Log(DEFAULT, "Could not increase SO_SNDBUF/SO_RCVBUF for socket %u", GetFd());
+ //this->ServerInstance->Log(DEFAULT, "Could not increase SO_SNDBUF/SO_RCVBUF for socket %u", GetFd());
; // do nothing. I'm a little sick of people trying to interpret this message as a result of why their incorrect setups don't work.
}
}
+bool BufferedSocket::DoBindMagic(const std::string ¤t_ip)
+{
+ irc::sockets::sockaddrs s;
+ if (!irc::sockets::aptosa(current_ip.c_str(), 0, &s))
+ {
+ errno = EADDRNOTAVAIL;
+ return false;
+ }
+
+ if (ServerInstance->SE->Bind(this->fd, &s.sa, sa_size(s)) < 0)
+ {
+ this->state = I_ERROR;
+ this->OnError(I_ERR_BIND);
+ return false;
+ }
+
+ return true;
+}
+
/* Most irc servers require you to specify the ip you want to bind to.
* If you dont specify an IP, they rather dumbly bind to the first IP
* of the box (e.g. INADDR_ANY). In InspIRCd, we scan thought the IP
* This is easier to configure when you have a lot of links and a lot
* of servers to configure.
*/
-bool BufferedSocket::BindAddr(const std::string &ip)
+bool BufferedSocket::BindAddr(const std::string &ip_to_bind)
{
- ConfigReader Conf(this->Instance);
- socklen_t size = sizeof(sockaddr_in);
-#ifdef IPV6
- bool v6 = false;
- /* Are we looking for a binding to fit an ipv6 host? */
- if ((ip.empty()) || (ip.find(':') != std::string::npos))
- v6 = true;
-#endif
- int j = 0;
- while (j < Conf.Enumerate("bind") || (!ip.empty()))
+ ConfigReader Conf(this->ServerInstance);
+
+ // Case one: If they provided an IP, try bind it
+ if (!ip_to_bind.empty())
{
- std::string sIP = ip.empty() ? Conf.ReadValue("bind","address",j) : ip;
- if (!ip.empty() || Conf.ReadValue("bind","type",j) == "servers")
- {
- if (!ip.empty() || ((sIP != "*") && (sIP != "127.0.0.1") && (!sIP.empty()) && (sIP != "::1")))
- {
- /* The [2] is required because we may write a sockaddr_in6 here, and sockaddr_in6 is larger than sockaddr, where sockaddr_in4 is not. */
- sockaddr* s = new sockaddr[2];
-#ifdef IPV6
- if (v6)
- {
- in6_addr n;
- if (inet_pton(AF_INET6, sIP.c_str(), &n) > 0)
- {
- memcpy(&((sockaddr_in6*)s)->sin6_addr, &n, sizeof(sockaddr_in6));
- ((sockaddr_in6*)s)->sin6_port = 0;
- ((sockaddr_in6*)s)->sin6_family = AF_INET6;
- size = sizeof(sockaddr_in6);
- }
- else
- {
- delete[] s;
- j++;
- continue;
- }
- }
- else
-#endif
- {
- in_addr n;
- if (inet_aton(sIP.c_str(), &n) > 0)
- {
- ((sockaddr_in*)s)->sin_addr = n;
- ((sockaddr_in*)s)->sin_port = 0;
- ((sockaddr_in*)s)->sin_family = AF_INET;
- }
- else
- {
- delete[] s;
- j++;
- continue;
- }
- }
+ // And if it fails, don't do anything.
+ return this->DoBindMagic(ip_to_bind);
+ }
- if (Instance->SE->Bind(this->fd, s, size) < 0)
- {
- this->state = I_ERROR;
- this->OnError(I_ERR_BIND);
- this->fd = -1;
- delete[] s;
- return false;
- }
+ for (int j = 0; j < Conf.Enumerate("bind"); j++)
+ {
+ // We only want to try bind to a server ip.
+ if (Conf.ReadValue("bind","type",j) != "servers")
+ continue;
- delete[] s;
- return true;
- }
- }
- j++;
+ // set current IP to the <bind> tag
+ std::string current_ip = Conf.ReadValue("bind","address",j);
+
+ // Make sure IP is nothing local
+ if (current_ip == "*" || current_ip == "127.0.0.1" || current_ip.empty() || current_ip == "::1")
+ continue;
+
+ // Try bind, don't fail if it doesn't bind though.
+ if (this->DoBindMagic(current_ip))
+ return true;
}
- Instance->Logs->Log("SOCKET", DEBUG,"nothing in the config to bind()!");
+
+ // NOTE: You may wonder WTF we are returning *true* here, but that is because there were no custom binds setup, and so we have nothing to do
+ // (remember, outgoing connections without binding are perfectly ok).
+ ServerInstance->Logs->Log("SOCKET", DEBUG,"nothing in the config to bind()!");
return true;
}
bool BufferedSocket::DoConnect(unsigned long maxtime)
{
- /* The [2] is required because we may write a sockaddr_in6 here, and sockaddr_in6 is larger than sockaddr, where sockaddr_in4 is not. */
- sockaddr* addr = new sockaddr[2];
- socklen_t size = sizeof(sockaddr_in);
-#ifdef IPV6
- bool v6 = false;
- if ((!*this->host) || strchr(this->host, ':'))
- v6 = true;
-
- if (v6)
- {
- this->fd = socket(AF_INET6, SOCK_STREAM, 0);
- if ((this->fd > -1) && ((strstr(this->IP,"::ffff:") != (char*)&this->IP) && (strstr(this->IP,"::FFFF:") != (char*)&this->IP)))
- {
- if (!this->BindAddr(this->cbindip))
- {
- delete[] addr;
- return false;
- }
- }
- }
- else
-#endif
- {
- this->fd = socket(AF_INET, SOCK_STREAM, 0);
- if (this->fd > -1)
- {
- if (!this->BindAddr(this->cbindip))
- {
- delete[] addr;
- return false;
- }
- }
- }
+ irc::sockets::sockaddrs addr;
+ irc::sockets::aptosa(this->host, this->port, &addr);
+
+ this->fd = socket(addr.sa.sa_family, SOCK_STREAM, 0);
if (this->fd == -1)
{
this->state = I_ERROR;
this->OnError(I_ERR_SOCKET);
- delete[] addr;
return false;
}
-#ifdef IPV6
- if (v6)
+ if (!this->BindAddr(this->cbindip))
{
- in6_addr addy;
- if (inet_pton(AF_INET6, this->host, &addy) > 0)
- {
- ((sockaddr_in6*)addr)->sin6_family = AF_INET6;
- memcpy(&((sockaddr_in6*)addr)->sin6_addr, &addy, sizeof(addy));
- ((sockaddr_in6*)addr)->sin6_port = htons(this->port);
- size = sizeof(sockaddr_in6);
- }
- }
- else
-#endif
- {
- in_addr addy;
- if (inet_aton(this->host, &addy) > 0)
- {
- ((sockaddr_in*)addr)->sin_family = AF_INET;
- ((sockaddr_in*)addr)->sin_addr = addy;
- ((sockaddr_in*)addr)->sin_port = htons(this->port);
- }
+ this->Close();
+ this->fd = -1;
+ return false;
}
- Instance->SE->NonBlocking(this->fd);
+ ServerInstance->SE->NonBlocking(this->fd);
- if (Instance->SE->Connect(this, (sockaddr*)addr, size) == -1)
+ if (ServerInstance->SE->Connect(this, &addr.sa, sa_size(addr)) == -1)
{
if (errno != EINPROGRESS)
{
return false;
}
- this->Timeout = new SocketTimeout(this->GetFd(), this->Instance, this, maxtime, this->Instance->Time());
- this->Instance->Timers->AddTimer(this->Timeout);
+ this->Timeout = new SocketTimeout(this->GetFd(), this->ServerInstance, this, maxtime, this->ServerInstance->Time());
+ this->ServerInstance->Timers->AddTimer(this->Timeout);
}
this->state = I_CONNECTING;
if (this->fd > -1)
{
- if (!this->Instance->SE->AddFd(this))
+ if (!this->ServerInstance->SE->AddFd(this))
{
this->OnError(I_ERR_NOMOREFDS);
this->Close();
this->SetQueues();
}
- Instance->Logs->Log("SOCKET", DEBUG,"BufferedSocket::DoConnect success");
+ ServerInstance->Logs->Log("SOCKET", DEBUG,"BufferedSocket::DoConnect success");
return true;
}
}
catch (CoreException& modexcept)
{
- Instance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ ServerInstance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
}
- Instance->SE->Shutdown(this, 2);
- if (Instance->SE->Close(this) != -1)
+ ServerInstance->SE->Shutdown(this, 2);
+ if (ServerInstance->SE->Close(this) != -1)
this->OnClose();
- if (Instance->SocketCull.find(this) == Instance->SocketCull.end())
- Instance->SocketCull[this] = this;
+ if (ServerInstance->SocketCull.find(this) == ServerInstance->SocketCull.end())
+ ServerInstance->SocketCull[this] = this;
}
errno = save;
}
const char* BufferedSocket::Read()
{
- if (!Instance->SE->BoundsCheckFd(this))
+ if (!ServerInstance->SE->BoundsCheckFd(this))
return NULL;
int n = 0;
- char* ReadBuffer = Instance->GetReadBuffer();
+ char* ReadBuffer = ServerInstance->GetReadBuffer();
if (this->GetIOHook())
{
int MOD_RESULT = 0;
try
{
- MOD_RESULT = this->GetIOHook()->OnRawSocketRead(this->fd, ReadBuffer, Instance->Config->NetBufferSize, result2);
+ MOD_RESULT = this->GetIOHook()->OnRawSocketRead(this->fd, ReadBuffer, ServerInstance->Config->NetBufferSize, result2);
}
catch (CoreException& modexcept)
{
- Instance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ ServerInstance->Logs->Log("SOCKET", DEFAULT,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
}
if (MOD_RESULT < 0)
{
}
else
{
- n = recv(this->fd, ReadBuffer, Instance->Config->NetBufferSize, 0);
+ n = recv(this->fd, ReadBuffer, ServerInstance->Config->NetBufferSize, 0);
}
/*
outbuffer.push_back(data);
/* Mark ourselves as wanting write */
- this->Instance->SE->WantWrite(this);
+ this->ServerInstance->SE->WantWrite(this);
}
bool BufferedSocket::FlushWriteBuffer()
}
catch (CoreException& modexcept)
{
- Instance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
return true;
}
}
while (outbuffer.size() && (errno != EAGAIN))
{
/* Send a line */
- int result = Instance->SE->Send(this, outbuffer[0].c_str(), outbuffer[0].length(), 0);
+ int result = ServerInstance->SE->Send(this, outbuffer[0].c_str(), outbuffer[0].length(), 0);
if (result > 0)
{
}
else if (result == 0)
{
- this->Instance->SE->DelFd(this);
+ this->ServerInstance->SE->DelFd(this);
this->Close();
return true;
}
{
this->OnError(I_ERR_WRITE);
this->state = I_ERROR;
- this->Instance->SE->DelFd(this);
+ this->ServerInstance->SE->DelFd(this);
this->Close();
return true;
}
if ((errno == EAGAIN) && (fd > -1))
{
- this->Instance->SE->WantWrite(this);
+ this->ServerInstance->SE->WantWrite(this);
}
return (fd < 0);
if (this->GetIOHook())
{
- Instance->Logs->Log("SOCKET",DEBUG,"Hook for raw connect");
+ ServerInstance->Logs->Log("SOCKET",DEBUG,"Hook for raw connect");
try
{
this->GetIOHook()->OnRawSocketConnect(this->fd);
}
catch (CoreException& modexcept)
{
- Instance->Logs->Log("SOCKET",DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ ServerInstance->Logs->Log("SOCKET",DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
return false;
}
}
this->Close();
if (Timeout)
{
- Instance->Timers->DelTimer(Timeout);
+ ServerInstance->Timers->DelTimer(Timeout);
Timeout = NULL;
}
}
break;
}
- if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end())
- this->Instance->SocketCull[this] = this;
+ if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+ this->ServerInstance->SocketCull[this] = this;
return;
break;
}
{
if (!this->OnDataReady())
{
- if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end())
- this->Instance->SocketCull[this] = this;
+ if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+ this->ServerInstance->SocketCull[this] = this;
return;
}
break;
{
if (!this->InternalMarkConnected())
{
- if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end())
- this->Instance->SocketCull[this] = this;
+ if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+ this->ServerInstance->SocketCull[this] = this;
return;
}
return;
{
if (!this->OnWriteReady())
{
- if (this->Instance->SocketCull.find(this) == this->Instance->SocketCull.end())
- this->Instance->SocketCull[this] = this;
+ if (this->ServerInstance->SocketCull.find(this) == this->ServerInstance->SocketCull.end())
+ this->ServerInstance->SocketCull[this] = this;
return;
}
}