1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2008 InspIRCd Development Team
6 * See: http://www.inspircd.org/wiki/index.php/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
16 #include "m_spanningtree/main.h"
17 #include "m_spanningtree/utils.h"
18 #include "m_spanningtree/treeserver.h"
19 #include "m_spanningtree/link.h"
20 #include "m_spanningtree/treesocket.h"
21 #include "m_spanningtree/resolvers.h"
22 #include "m_spanningtree/handshaketimer.h"
24 /* $ModDep: 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 m_spanningtree/handshaketimer.h */
26 bool TreeSocket::ParseUID(const std::string &source, std::deque<std::string> ¶ms)
28 /** Do we have enough parameters:
29 * 0 1 2 3 4 5 6 7 8 9 (n-1)
30 * UID uuid age nick host dhost ident ip.string signon +modes (modepara) :gecos
32 if (params.size() < 10)
35 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction ("+params[0]+" with only "+
36 ConvToStr(params.size())+" of 10 or more parameters?)");
40 time_t age_t = ConvToInt(params[1]);
41 time_t signon = ConvToInt(params[7]);
44 TreeServer* remoteserver = Utils->FindServer(source);
48 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Unknown server "+source+")");
52 /* Check parameters for validity before introducing the client, discovered by dmb */
55 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Invalid TS?)");
59 /* check for collision */
60 user_hash::iterator iter = this->ServerInstance->Users->clientlist->find(params[2]);
62 if (iter != this->ServerInstance->Users->clientlist->end())
67 ServerInstance->Logs->Log("m_spanningtree",DEBUG,"*** Collision on %s", params[2].c_str());
68 int collide = this->DoCollision(iter->second, age_t, params[5], params[8], params[0]);
72 /* remote client changed, make sure we change their nick for the hash too */
73 params[2] = params[0];
77 /* IMPORTANT NOTE: For remote users, we pass the UUID in the constructor. This automatically
78 * sets it up in the UUID hash for us.
83 _new = new User(this->ServerInstance, params[0]);
87 SendError("Protocol violation - Duplicate UUID '" + params[0] + "' on introduction of new user");
90 (*(this->ServerInstance->Users->clientlist))[params[2]] = _new;
91 _new->SetFd(FD_MAGIC_NUMBER);
92 _new->nick.assign(params[2], 0, MAXBUF);
93 _new->host.assign(params[3], 0, 64);
94 _new->dhost.assign(params[4], 0, 64);
95 _new->server = this->ServerInstance->FindServerNamePtr(remoteserver->GetName().c_str());
96 _new->ident.assign(params[5], 0, MAXBUF);
97 _new->fullname.assign(params[params.size() - 1], 0, MAXBUF);
98 _new->registered = REG_ALL;
99 _new->signon = signon;
102 /* we need to remove the + from the modestring, so we can do our stuff */
103 std::string::size_type pos_after_plus = params[8].find_first_not_of('+');
104 if (pos_after_plus != std::string::npos)
105 params[8] = params[8].substr(pos_after_plus);
107 unsigned int paramptr = 9;
108 for (std::string::iterator v = params[8].begin(); v != params[8].end(); v++)
113 /* For each mode thats set, increase counter */
114 ModeHandler* mh = ServerInstance->Modes->FindMode(*v, MODETYPE_USER);
118 if (mh->GetNumParams(true))
121 * All modes are assumed to succeed here as they are being set by a remote server.
122 * Modes CANNOT FAIL here. If they DO fail, then the failure is ignored. This is important
123 * to note as all but one modules currently cannot ever fail in this situation, except for
124 * m_servprotect which specifically works this way to prevent the mode being set ANYWHERE
125 * but here, at client introduction. You may safely assume this behaviour is standard and
126 * will not change in future versions if you want to make use of this protective behaviour
129 if (paramptr < params.size() - 1)
130 mh->OnModeChange(_new, _new, NULL, params[paramptr++], true);
133 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Broken UID command, expected a parameter for user mode '"+(*v)+"' but there aren't enough parameters in the command!");
134 this->ServerInstance->Users->clientlist->erase(params[0]);
140 mh->OnModeChange(_new, _new, NULL, empty, true);
141 _new->SetMode(*v, true);
146 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Warning: Broken UID command, unknown user mode '"+(*v)+"' in the mode string!");
147 this->ServerInstance->Users->clientlist->erase(params[0]);
153 //_new->ProcessNoticeMasks(params[7].c_str());
155 /* now we've done with modes processing, put the + back for remote servers */
156 if (params[8][0] != '+')
157 params[8] = "+" + params[8];
159 #ifdef SUPPORT_IP6LINKS
160 if (params[6].find_first_of(":") != std::string::npos)
161 _new->SetSockAddr(AF_INET6, params[6].c_str(), 0);
164 _new->SetSockAddr(AF_INET, params[6].c_str(), 0);
166 ServerInstance->Users->AddGlobalClone(_new);
170 if ((this->Utils->quiet_bursts && remoteserver->bursting) || this->ServerInstance->SilentULine(_new->server))
174 this->ServerInstance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s] [%s]", _new->server, _new->nick.c_str(), _new->ident.c_str(), _new->host.c_str(), _new->GetIPString(), _new->fullname.c_str());
176 params[params.size() - 1] = ":" + params[params.size() - 1];
177 Utils->DoOneToAllButSender(source, "UID", params, source);
179 ServerInstance->PI->Introduce(_new);
180 FOREACH_MOD_I(ServerInstance,I_OnPostConnect,OnPostConnect(_new));