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+")");
51 /* Check parameters for validity before introducing the client, discovered by dmb */
54 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Invalid TS?)");
59 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Invalid signon?)");
62 else if (params[8][0] != '+')
64 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Invalid client introduction (Malformed MODE sequence?)");
68 /* check for collision */
69 user_hash::iterator iter = this->ServerInstance->Users->clientlist->find(params[2]);
71 if (iter != this->ServerInstance->Users->clientlist->end())
76 ServerInstance->Logs->Log("m_spanningtree",DEBUG,"*** Collision on %s", params[2].c_str());
77 int collide = this->DoCollision(iter->second, age_t, params[5], params[8], params[0]);
81 /* remote client changed, make sure we change their nick for the hash too */
82 params[2] = params[0];
86 /* IMPORTANT NOTE: For remote users, we pass the UUID in the constructor. This automatically
87 * sets it up in the UUID hash for us.
92 _new = new User(this->ServerInstance, params[0]);
96 SendError("Protocol violation - Duplicate UUID '" + params[0] + "' on introduction of new user");
99 (*(this->ServerInstance->Users->clientlist))[params[2]] = _new;
100 _new->SetFd(FD_MAGIC_NUMBER);
101 _new->nick.assign(params[2], 0, MAXBUF);
102 _new->host.assign(params[3], 0, 64);
103 _new->dhost.assign(params[4], 0, 64);
104 _new->server = this->ServerInstance->FindServerNamePtr(remoteserver->GetName().c_str());
105 _new->ident.assign(params[5], 0, MAXBUF);
106 _new->fullname.assign(params[params.size() - 1], 0, MAXBUF);
107 _new->registered = REG_ALL;
108 _new->signon = signon;
111 /* we need to remove the + from the modestring, so we can do our stuff */
112 std::string::size_type pos_after_plus = params[8].find_first_not_of('+');
113 if (pos_after_plus != std::string::npos)
114 params[8] = params[8].substr(pos_after_plus);
116 unsigned int paramptr = 9;
117 for (std::string::iterator v = params[8].begin(); v != params[8].end(); v++)
122 /* For each mode thats set, increase counter */
123 ModeHandler* mh = ServerInstance->Modes->FindMode(*v, MODETYPE_USER);
127 if (mh->GetNumParams(true))
130 * All modes are assumed to succeed here as they are being set by a remote server.
131 * Modes CANNOT FAIL here. If they DO fail, then the failure is ignored. This is important
132 * to note as all but one modules currently cannot ever fail in this situation, except for
133 * m_servprotect which specifically works this way to prevent the mode being set ANYWHERE
134 * but here, at client introduction. You may safely assume this behaviour is standard and
135 * will not change in future versions if you want to make use of this protective behaviour
138 if (paramptr < params.size() - 1)
139 mh->OnModeChange(_new, _new, NULL, params[paramptr++], true);
142 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!");
143 this->ServerInstance->Users->clientlist->erase(params[0]);
149 mh->OnModeChange(_new, _new, NULL, empty, true);
150 _new->SetMode(*v, true);
155 this->WriteLine(std::string(":")+this->ServerInstance->Config->GetSID()+" KILL "+params[0]+" :Warning: Broken UID command, unknown user mode '"+(*v)+"' in the mode string!");
156 this->ServerInstance->Users->clientlist->erase(params[0]);
162 //_new->ProcessNoticeMasks(params[7].c_str());
164 /* now we've done with modes processing, put the + back for remote servers */
165 if (params[8][0] != '+')
166 params[8] = "+" + params[8];
168 #ifdef SUPPORT_IP6LINKS
169 if (params[6].find_first_of(":") != std::string::npos)
170 _new->SetSockAddr(AF_INET6, params[6].c_str(), 0);
173 _new->SetSockAddr(AF_INET, params[6].c_str(), 0);
175 ServerInstance->Users->AddGlobalClone(_new);
179 if ((this->Utils->quiet_bursts && remoteserver->bursting) || this->ServerInstance->SilentULine(_new->server))
183 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());
185 params[params.size() - 1] = ":" + params[params.size() - 1];
186 Utils->DoOneToAllButSender(source, "UID", params, source);
188 ServerInstance->PI->Introduce(_new);
189 FOREACH_MOD_I(ServerInstance,I_OnPostConnect,OnPostConnect(_new));