-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
-#include "commands/cmd_whois.h"
-#include "commands/cmd_stats.h"
-#include "socket.h"
-#include "wildcard.h"
-#include "xline.h"
-#include "transport.h"
-#include "m_hash.h"
-#include "socketengine.h"
-
-#include "m_spanningtree/main.h"
-#include "m_spanningtree/utils.h"
-#include "m_spanningtree/treeserver.h"
-#include "m_spanningtree/link.h"
-#include "m_spanningtree/treesocket.h"
-#include "m_spanningtree/resolvers.h"
-#include "m_spanningtree/handshaketimer.h"
-
-/* $ModDep: m_spanningtree/timesynctimer.h m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_hash.h */
-
-bool TreeSocket::ParseUID(const std::string &source, std::deque<std::string> ¶ms)
+#include "commands.h"
+
+#include "utils.h"
+#include "treeserver.h"
+
+CmdResult CommandUID::Handle(const parameterlist ¶ms, User* serversrc)
{
+ SpanningTreeUtilities* Utils = ((ModuleSpanningTree*)(Module*)creator)->Utils;
/** Do we have enough parameters:
- * UID uuid age nick host dhost ident +modestr ip.string :gecos
+ * 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
*/
- if (params.size() != 10)
- {
- this->WriteLine(std::string(":")+this->Instance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction ("+params[0]+" with only "+
- ConvToStr(params.size())+" of 10 parameters?)");
- return true;
- }
-
- time_t age = ConvToInt(params[1]);
- time_t signon = ConvToInt(params[8]);
- const char* tempnick = params[2].c_str();
+ time_t age_t = ConvToInt(params[1]);
+ time_t signon = ConvToInt(params[7]);
std::string empty;
+ const std::string& modestr = params[8];
- /* XXX probably validate UID length too -- w00t */
- cmd_validation valid[] = { {"Nickname", 2, NICKMAX}, {"Hostname", 3, 64}, {"Displayed hostname", 4, 64}, {"Ident", 5, IDENTMAX}, {"GECOS", 9, MAXGECOS}, {"", 0, 0} };
-
- TreeServer* remoteserver = Utils->FindServer(source);
+ TreeServer* remoteserver = Utils->FindServer(serversrc->server);
if (!remoteserver)
- {
- this->WriteLine(std::string(":")+this->Instance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Unknown server "+source+")");
- return true;
- }
-
+ 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)
- {
- this->WriteLine(std::string(":")+this->Instance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Invalid TS?)");
- return true;
- }
-
- for (size_t x = 0; valid[x].length; ++x)
- {
- if (params[valid[x].param].length() > valid[x].length)
- {
- this->WriteLine(std::string(":")+this->Instance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (" + valid[x].item + " > " + ConvToStr(valid[x].length) + ")");
- return true;
- }
- }
-
+ if (!age_t)
+ return CMD_INVALID;
+ if (!signon)
+ return CMD_INVALID;
+ if (modestr[0] != '+')
+ return CMD_INVALID;
+ TreeSocket* sock = remoteserver->GetRoute()->GetSocket();
/* check for collision */
- user_hash::iterator iter = this->Instance->Users->clientlist->find(tempnick);
+ user_hash::iterator iter = ServerInstance->Users->clientlist->find(params[2]);
- if (iter != this->Instance->Users->clientlist->end())
+ if (iter != ServerInstance->Users->clientlist->end())
{
/*
* Nick collision.
*/
- Instance->Log(DEBUG,"*** Collision on %s", tempnick);
- int collide = this->DoCollision(iter->second, age, params[5].c_str(), params[7].c_str(), params[0].c_str());
+ 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 == 2)
+ if (collide != 1)
{
- /* remote client changed, make sure we change their nick for the hash too */
- tempnick = params[0].c_str();
+ /* 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];
}
}
User* _new = NULL;
try
{
- _new = new User(this->Instance, params[0]);
+ _new = new RemoteUser(params[0], remoteserver->GetName());
}
catch (...)
{
- SendError("Protocol violation - Duplicate UUID '" + params[0] + "' on introduction of new user");
- return false;
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Duplicate UUID %s in client introduction", params[0].c_str());
+ return CMD_INVALID;
}
- (*(this->Instance->Users->clientlist))[tempnick] = _new;
- _new->SetFd(FD_MAGIC_NUMBER);
- strlcpy(_new->nick, tempnick, NICKMAX - 1);
- strlcpy(_new->host, params[3].c_str(),64);
- strlcpy(_new->dhost, params[4].c_str(),64);
- _new->server = this->Instance->FindServerNamePtr(remoteserver->GetName().c_str());
- strlcpy(_new->ident, params[5].c_str(),IDENTMAX + 1);
- strlcpy(_new->fullname, params[9].c_str(),MAXGECOS);
+ (*(ServerInstance->Users->clientlist))[params[2]] = _new;
+ _new->nick = params[2];
+ _new->host = params[3];
+ _new->dhost = params[4];
+ _new->ident = params[5];
+ _new->fullname = params[params.size() - 1];
_new->registered = REG_ALL;
_new->signon = signon;
- _new->age = age;
+ _new->age = age_t;
- /* we need to remove the + from the modestring, so we can do our stuff */
- std::string::size_type pos_after_plus = params[6].find_first_not_of('+');
- if (pos_after_plus != std::string::npos)
- params[6] = params[6].substr(pos_after_plus);
+ unsigned int paramptr = 9;
- for (std::string::iterator v = params[6].begin(); v != params[6].end(); v++)
+ for (std::string::const_iterator v = modestr.begin(); v != modestr.end(); ++v)
{
- /* For each mode thats set, increase counter */
- ModeHandler* mh = Instance->Modes->FindMode(*v, MODETYPE_USER);
+ // Accept more '+' chars, for now
+ if (*v == '+')
+ continue;
- if (mh)
+ /* 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)
{
- mh->OnModeChange(_new, _new, NULL, empty, true);
- _new->SetMode(*v, true);
- mh->ChangeCount(1);
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Unrecognised mode '%c' for a user in UID, dropping link", *v);
+ return CMD_INVALID;
}
- }
- /* now we've done with modes processing, put the + back for remote servers */
- params[6] = "+" + params[6];
+ if (mh->GetNumParams(true))
+ {
+ if (paramptr >= params.size() - 1)
+ return CMD_INVALID;
+ std::string mp = params[paramptr++];
+ /* IMPORTANT NOTE:
+ * All modes are assumed to succeed here as they are being set by a remote server.
+ * Modes CANNOT FAIL here. If they DO fail, then the failure is ignored. This is important
+ * to note as all but one modules currently cannot ever fail in this situation, except for
+ * m_servprotect which specifically works this way to prevent the mode being set ANYWHERE
+ * but here, at client introduction. You may safely assume this behaviour is standard and
+ * will not change in future versions if you want to make use of this protective behaviour
+ * yourself.
+ */
+ mh->OnModeChange(_new, _new, NULL, mp, true);
+ }
+ else
+ mh->OnModeChange(_new, _new, NULL, empty, true);
+ _new->SetMode(mh, true);
+ }
-#ifdef SUPPORT_IP6LINKS
- if (params[7].find_first_of(":") != std::string::npos)
- _new->SetSockAddr(AF_INET6, params[7].c_str(), 0);
- else
-#endif
- _new->SetSockAddr(AF_INET, params[7].c_str(), 0);
+ _new->SetClientIP(params[6].c_str());
- Instance->Users->AddGlobalClone(_new);
+ ServerInstance->Users->AddGlobalClone(_new);
+ remoteserver->UserCount++;
bool dosend = true;
-
- if ((this->Utils->quiet_bursts && remoteserver->bursting) || this->Instance->SilentULine(_new->server))
+
+ if ((Utils->quiet_bursts && remoteserver->bursting) || ServerInstance->SilentULine(_new->server))
dosend = false;
-
+
if (dosend)
- this->Instance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s] [%s]",_new->server,_new->nick,_new->ident,_new->host, _new->GetIPString(), _new->fullname);
+ 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());
- params[9] = ":" + params[9];
- Utils->DoOneToAllButSender(source, "UID", params, source);
+ FOREACH_MOD(OnPostConnect, (_new));
- FOREACH_MOD_I(Instance,I_OnPostConnect,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());
+ return CMD_SUCCESS;
+}
- return true;
+CmdResult CommandFIdent::Handle(const parameterlist ¶ms, User* src)
+{
+ if (IS_SERVER(src))
+ return CMD_FAILURE;
+ src->ChangeIdent(params[0].c_str());
+ return CMD_SUCCESS;
+}
+
+CmdResult CommandFName::Handle(const parameterlist ¶ms, User* src)
+{
+ if (IS_SERVER(src))
+ return CMD_FAILURE;
+ src->ChangeName(params[0].c_str());
+ return CMD_SUCCESS;
}
projects / user / henk / code / inspircd.git / blobdiff