#include "utils.h"
#include "treeserver.h"
+#include "remoteuser.h"
-CmdResult CommandUID::Handle(const parameterlist ¶ms, User* serversrc)
+CmdResult CommandUID::HandleServer(TreeServer* remoteserver, CommandBase::Params& params)
{
- SpanningTreeUtilities* Utils = ((ModuleSpanningTree*)(Module*)creator)->Utils;
- /** Do we have enough parameters:
+ /**
* 0 1 2 3 4 5 6 7 8 9 (n-1)
- * UID uuid age nick host dhost ident ip.string signon +modes (modepara) :gecos
+ * UID uuid age nick host dhost ident ip.string signon +modes (modepara) :real
*/
- time_t age_t = ConvToInt(params[1]);
- time_t signon = ConvToInt(params[7]);
+ time_t age_t = ServerCommand::ExtractTS(params[1]);
+ time_t signon = ServerCommand::ExtractTS(params[7]);
std::string empty;
const std::string& modestr = params[8];
- TreeServer* remoteserver = Utils->FindServer(serversrc->server);
-
- if (!remoteserver)
- return CMD_INVALID;
- /* Is this a valid UID, and not misrouted? */
- if (params[0].length() != 9 || params[0].substr(0,3) != serversrc->uuid)
- return CMD_INVALID;
- /* Check parameters for validity before introducing the client, discovered by dmb */
- if (!age_t)
- return CMD_INVALID;
- if (!signon)
- return CMD_INVALID;
+ // Check if the length of the uuid is correct and confirm the sid portion of the uuid matches the sid of the server introducing the user
+ if (params[0].length() != UIDGenerator::UUID_LENGTH || params[0].compare(0, 3, remoteserver->GetID()))
+ throw ProtocolException("Bogus UUID");
+ // Sanity check on mode string: must begin with '+'
if (modestr[0] != '+')
- return CMD_INVALID;
- TreeSocket* sock = remoteserver->GetRoute()->GetSocket();
+ throw ProtocolException("Invalid mode string");
- /* check for collision */
- user_hash::iterator iter = ServerInstance->Users->clientlist->find(params[2]);
-
- if (iter != ServerInstance->Users->clientlist->end())
+ // See if there is a nick collision
+ User* collideswith = ServerInstance->FindNickOnly(params[2]);
+ if ((collideswith) && (collideswith->registered != REG_ALL))
{
- /*
- * Nick collision.
- */
- int collide = sock->DoCollision(iter->second, age_t, params[5], params[6], params[0]);
- ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "*** Collision on %s, collide=%d", params[2].c_str(), collide);
-
- if (collide != 1)
+ // User that the incoming user is colliding with is not fully registered, we force nick change the
+ // unregistered user to their uuid and tell them what happened
+ LocalUser* const localuser = static_cast<LocalUser*>(collideswith);
+ localuser->OverruleNick();
+ }
+ else if (collideswith)
+ {
+ // The user on this side is registered, handle the collision
+ bool they_change = Utils->DoCollision(collideswith, remoteserver, age_t, params[5], params[6], params[0], "UID");
+ if (they_change)
{
- /* remote client lost, make sure we change their nick for the hash too
- *
- * This alters the line that will be sent to other servers, which
- * commands normally shouldn't do; hence the required const_cast.
- */
- const_cast<parameterlist&>(params)[2] = params[0];
+ // The client being introduced needs to change nick to uuid, change the nick in the message before
+ // processing/forwarding it. Also change the nick TS to CommandSave::SavedTimestamp.
+ age_t = CommandSave::SavedTimestamp;
+ params[1] = ConvToStr(CommandSave::SavedTimestamp);
+ params[2] = params[0];
}
}
- /* IMPORTANT NOTE: For remote users, we pass the UUID in the constructor. This automatically
- * sets it up in the UUID hash for us.
+ /* For remote users, we pass the UUID they sent to the constructor.
+ * If the UUID already exists User::User() throws an exception which causes this connection to be closed.
*/
- User* _new = NULL;
- try
- {
- _new = new RemoteUser(params[0], remoteserver->GetName());
- }
- catch (...)
- {
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Duplicate UUID %s in client introduction", params[0].c_str());
- return CMD_INVALID;
- }
- (*(ServerInstance->Users->clientlist))[params[2]] = _new;
+ RemoteUser* _new = new SpanningTree::RemoteUser(params[0], remoteserver);
+ ServerInstance->Users->clientlist[params[2]] = _new;
_new->nick = params[2];
- _new->host = params[3];
- _new->dhost = params[4];
+ _new->ChangeRealHost(params[3], false);
+ _new->ChangeDisplayedHost(params[4]);
_new->ident = params[5];
- _new->fullname = params[params.size() - 1];
+ _new->fullname = params.back();
_new->registered = REG_ALL;
_new->signon = signon;
_new->age = age_t;
/* For each mode thats set, find the mode handler and set it on the new user */
ModeHandler* mh = ServerInstance->Modes->FindMode(*v, MODETYPE_USER);
if (!mh)
- {
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Unrecognised mode '%c' for a user in UID, dropping link", *v);
- return CMD_INVALID;
- }
+ throw ProtocolException("Unrecognised mode '" + std::string(1, *v) + "'");
- if (mh->GetNumParams(true))
+ if (mh->NeedsParam(true))
{
if (paramptr >= params.size() - 1)
- return CMD_INVALID;
+ throw ProtocolException("Out of parameters while processing modes");
std::string mp = params[paramptr++];
/* IMPORTANT NOTE:
* All modes are assumed to succeed here as they are being set by a remote server.
_new->SetMode(mh, true);
}
- _new->SetClientIP(params[6].c_str());
+ _new->SetClientIP(params[6]);
- ServerInstance->Users->AddGlobalClone(_new);
+ ServerInstance->Users->AddClone(_new);
remoteserver->UserCount++;
bool dosend = true;
- if ((Utils->quiet_bursts && remoteserver->bursting) || ServerInstance->SilentULine(_new->server))
+ if ((Utils->quiet_bursts && remoteserver->IsBehindBursting()) || _new->server->IsSilentULine())
dosend = false;
if (dosend)
- ServerInstance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s (%s) [%s]", _new->server.c_str(), _new->GetFullRealHost().c_str(), _new->GetIPString().c_str(), _new->fullname.c_str());
+ ServerInstance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s (%s) [%s]", remoteserver->GetName().c_str(), _new->GetFullRealHost().c_str(), _new->GetIPString().c_str(), _new->fullname.c_str());
FOREACH_MOD(OnPostConnect, (_new));
return CMD_SUCCESS;
}
-CmdResult CommandFHost::Handle(const parameterlist ¶ms, User* src)
-{
- if (IS_SERVER(src))
- return CMD_FAILURE;
- src->ChangeDisplayedHost(params[0].c_str());
+CmdResult CommandFHost::HandleRemote(RemoteUser* src, Params& params)
+{
+ src->ChangeDisplayedHost(params[0]);
return CMD_SUCCESS;
}
-CmdResult CommandFIdent::Handle(const parameterlist ¶ms, User* src)
+CmdResult CommandFIdent::HandleRemote(RemoteUser* src, Params& params)
{
- if (IS_SERVER(src))
- return CMD_FAILURE;
- src->ChangeIdent(params[0].c_str());
+ src->ChangeIdent(params[0]);
return CMD_SUCCESS;
}
-CmdResult CommandFName::Handle(const parameterlist ¶ms, User* src)
+CmdResult CommandFName::HandleRemote(RemoteUser* src, Params& params)
{
- if (IS_SERVER(src))
- return CMD_FAILURE;
- src->ChangeName(params[0].c_str());
+ src->ChangeName(params[0]);
return CMD_SUCCESS;
}
+CommandUID::Builder::Builder(User* user)
+ : CmdBuilder(TreeServer::Get(user)->GetID(), "UID")
+{
+ push(user->uuid);
+ push_int(user->age);
+ push(user->nick);
+ push(user->GetRealHost());
+ push(user->GetDisplayedHost());
+ push(user->ident);
+ push(user->GetIPString());
+ push_int(user->signon);
+ push(user->GetModeLetters(true));
+ push_last(user->fullname);
+}
projects / user / henk / code / inspircd.git / blobdiff