#include "treesocket.h"
#include "commands.h"
-/** Because most of the I/O gubbins are encapsulated within
- * BufferedSocket, we just call the superclass constructor for
- * most of the action, and append a few of our own values
- * to it.
+/** Constructor for outgoing connections.
+ * Because most of the I/O gubbins are encapsulated within
+ * BufferedSocket, we just call DoConnect() for most of the action,
+ * and only do minor initialization tasks ourselves.
*/
TreeSocket::TreeSocket(Link* link, Autoconnect* myac, const std::string& ipaddr)
- : linkID(assign(link->Name)), LinkState(CONNECTING), MyRoot(NULL), proto_version(0), ConnectionFailureShown(false)
- , age(ServerInstance->Time())
+ : linkID(link->Name), LinkState(CONNECTING), MyRoot(NULL), proto_version(0)
+ , burstsent(false), age(ServerInstance->Time())
{
capab = new CapabData;
capab->link = link;
SendCapabilities(1);
}
-/** When a listening socket gives us a new file descriptor,
- * we must associate it with a socket without creating a new
- * connection. This constructor is used for this purpose.
+/** Constructor for incoming connections
*/
TreeSocket::TreeSocket(int newfd, ListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
: BufferedSocket(newfd)
, linkID("inbound from " + client->addr()), LinkState(WAIT_AUTH_1), MyRoot(NULL), proto_version(0)
- , ConnectionFailureShown(false), age(ServerInstance->Time())
+ , burstsent(false), age(ServerInstance->Time())
{
capab = new CapabData;
capab->capab_phase = 0;
- if (via->iohookprov)
- via->iohookprov->OnAccept(this, client, server);
+ for (ListenSocket::IOHookProvList::iterator i = via->iohookprovs.begin(); i != via->iohookprovs.end(); ++i)
+ {
+ ListenSocket::IOHookProvRef& iohookprovref = *i;
+ if (!iohookprovref)
+ continue;
+
+ iohookprovref->OnAccept(this, client, server);
+ // IOHook could have encountered a fatal error, e.g. if the TLS ClientHello was already in the queue and there was no common TLS version
+ if (!getError().empty())
+ {
+ TreeSocket::OnError(I_ERR_OTHER);
+ return;
+ }
+ }
+
SendCapabilities(1);
Utils->timeoutlist[this] = std::pair<std::string, int>(linkID, 30);
}
-ServerState TreeSocket::GetLinkState()
-{
- return this->LinkState;
-}
-
void TreeSocket::CleanNegotiationInfo()
{
// connect is good, reset the autoconnect block (if used)
}
/** When an outbound connection finishes connecting, we receive
- * this event, and must send our SERVER string to the other
+ * this event, and must do CAPAB negotiation with the other
* side. If the other side is happy, as outlined in the server
* to server docs on the inspircd.org site, the other side
- * will then send back its own server string.
+ * will then send back its own SERVER string eventually.
*/
void TreeSocket::OnConnected()
{
ServerInstance->SNO->WriteGlobalSno('l', "Connection to '\002%s\002' failed with error: %s",
linkID.c_str(), getError().c_str());
LinkState = DYING;
+ Close();
}
void TreeSocket::SendError(const std::string &errormessage)
SetError(errormessage);
}
-/** This function forces this server to quit, removing this server
- * and any users on it (and servers and users below that, etc etc).
- * It's very slow and pretty clunky, but luckily unless your network
- * is having a REAL bad hair day, this function shouldnt be called
- * too many times a month ;-)
- */
-void TreeSocket::SquitServer(std::string &from, TreeServer* Current, int& num_lost_servers, int& num_lost_users)
-{
- ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "SquitServer for %s from %s", Current->GetName().c_str(), from.c_str());
- /* recursively squit the servers attached to 'Current'.
- * We're going backwards so we don't remove users
- * while we still need them ;)
- */
- const TreeServer::ChildServers& children = Current->GetChildren();
- for (TreeServer::ChildServers::const_iterator i = children.begin(); i != children.end(); ++i)
- {
- TreeServer* recursive_server = *i;
- this->SquitServer(from,recursive_server, num_lost_servers, num_lost_users);
- }
- /* Now we've whacked the kids, whack self */
- num_lost_servers++;
- num_lost_users += Current->QuitUsers(from);
-}
-
-/** This is a wrapper function for SquitServer above, which
- * does some validation first and passes on the SQUIT to all
- * other remaining servers.
- */
-void TreeSocket::Squit(TreeServer* Current, const std::string &reason)
-{
- bool LocalSquit = false;
-
- if (!Current->IsRoot())
- {
- DelServerEvent(Utils->Creator, Current->GetName());
-
- if (Current->IsLocal())
- {
- ServerInstance->SNO->WriteGlobalSno('l', "Server \002"+Current->GetName()+"\002 split: "+reason);
- LocalSquit = true;
- if (Current->GetSocket()->Introduced())
- {
- CmdBuilder params("SQUIT");
- params.push_back(Current->GetID());
- params.push_last(reason);
- params.Broadcast();
- }
- }
- else
- {
- ServerInstance->SNO->WriteToSnoMask('L', "Server \002"+Current->GetName()+"\002 split from server \002"+Current->GetParent()->GetName()+"\002 with reason: "+reason);
- }
- int num_lost_servers = 0;
- int num_lost_users = 0;
- std::string from = Current->GetParent()->GetName()+" "+Current->GetName();
-
- ModuleSpanningTree* st = Utils->Creator;
- st->SplitInProgress = true;
- SquitServer(from, Current, num_lost_servers, num_lost_users);
- st->SplitInProgress = false;
-
- ServerInstance->SNO->WriteToSnoMask(LocalSquit ? 'l' : 'L', "Netsplit complete, lost \002%d\002 user%s on \002%d\002 server%s.",
- num_lost_users, num_lost_users != 1 ? "s" : "", num_lost_servers, num_lost_servers != 1 ? "s" : "");
- Current->Tidy();
- Current->GetParent()->DelChild(Current);
- Current->cull();
- const bool ismyroot = (Current == MyRoot);
- delete Current;
- if (ismyroot)
- {
- MyRoot = NULL;
- Close();
- }
- }
-}
-
CmdResult CommandSQuit::HandleServer(TreeServer* server, std::vector<std::string>& params)
{
TreeServer* quitting = Utils->FindServer(params[0]);
return CMD_FAILURE;
}
- TreeSocket* sock = server->GetSocket();
- sock->Squit(quitting, params[1]);
+ CmdResult ret = CMD_SUCCESS;
+ if (quitting == server)
+ {
+ ret = CMD_FAILURE;
+ server = server->GetParent();
+ }
+ else if (quitting->GetParent() != server)
+ throw ProtocolException("Attempted to SQUIT a non-directly connected server or the parent");
+
+ server->SQuitChild(quitting, params[1]);
// XXX: Return CMD_FAILURE when servers SQUIT themselves (i.e. :00S SQUIT 00S :Shutting down)
- // to avoid RouteCommand() being called. RouteCommand() requires a valid command source but we
- // do not have one because the server user is deleted when its TreeServer is destructed.
- // We generate a SQUIT in TreeSocket::Squit(), with our sid as the source and send it to the
+ // to stop this message from being forwarded.
+ // The squit logic generates a SQUIT message with our sid as the source and sends it to the
// remaining servers.
- return ((quitting == server) ? CMD_FAILURE : CMD_SUCCESS);
+ return ret;
}
/** This function is called when we receive data from a remote
{
std::string::size_type rline = line.find('\r');
if (rline != std::string::npos)
- line = line.substr(0,rline);
+ line.erase(rline);
if (line.find('\0') != std::string::npos)
{
SendError("Read null character from socket");
SendError("RecvQ overrun (line too long)");
Utils->Creator->loopCall = false;
}
-
-bool TreeSocket::Introduced()
-{
- return (capab == NULL);
-}
projects / user / henk / code / inspircd.git / blobdiff