diff options
Diffstat (limited to 'src/modules/m_spanningtree/uid.cpp')
| -rw-r--r-- | src/modules/m_spanningtree/uid.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/modules/m_spanningtree/uid.cpp b/src/modules/m_spanningtree/uid.cpp new file mode 100644 index 000000000..4e81bf2af --- /dev/null +++ b/src/modules/m_spanningtree/uid.cpp @@ -0,0 +1,167 @@ +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * InspIRCd: (C) 2002-2008 InspIRCd Development Team + * See: http://www.inspircd.org/wiki/index.php/Credits + * + * This program is free but copyrighted software; see + * the file COPYING for details. + * + * --------------------------------------------------- + */ + +#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) +{ + /** Do we have enough parameters: + * UID uuid age nick host dhost ident +modestr ip.string :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(); + std::string empty; + + /* 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); + + if (!remoteserver) + { + this->WriteLine(std::string(":")+this->Instance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Unknown server "+source+")"); + return true; + } + + /* 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; + } + } + + + /* check for collision */ + user_hash::iterator iter = this->Instance->Users->clientlist->find(tempnick); + + if (iter != this->Instance->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()); + + if (collide == 2) + { + /* remote client changed, make sure we change their nick for the hash too */ + tempnick = params[0].c_str(); + } + } + + /* IMPORTANT NOTE: For remote users, we pass the UUID in the constructor. This automatically + * sets it up in the UUID hash for us. + */ + User* _new = NULL; + try + { + _new = new User(this->Instance, params[0]); + } + catch (...) + { + SendError("Protocol violation - Duplicate UUID '" + params[0] + "' on introduction of new user"); + return false; + } + (*(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); + strlcpy(_new->fullname, params[9].c_str(),MAXGECOS); + _new->registered = REG_ALL; + _new->signon = signon; + _new->age = age; + + /* 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); + + for (std::string::iterator v = params[6].begin(); v != params[6].end(); v++) + { + /* For each mode thats set, increase counter */ + ModeHandler* mh = Instance->Modes->FindMode(*v, MODETYPE_USER); + + if (mh) + { + mh->OnModeChange(_new, _new, NULL, empty, true); + _new->SetMode(*v, true); + mh->ChangeCount(1); + } + } + + /* now we've done with modes processing, put the + back for remote servers */ + params[6] = "+" + params[6]; + +#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); + + Instance->Users->AddGlobalClone(_new); + + bool dosend = true; + + if ((this->Utils->quiet_bursts && remoteserver->bursting) || this->Instance->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); + + params[9] = ":" + params[9]; + Utils->DoOneToAllButSender(source, "UID", params, source); + + FOREACH_MOD_I(Instance,I_OnPostConnect,OnPostConnect(_new)); + + return true; +} + |