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 * ---------------------------------------------------
14 /* $Core: libIRCDusers */
18 #include "socketengine.h"
22 #include "commands/cmd_whowas.h"
24 static unsigned long already_sent[MAX_DESCRIPTORS] = {0};
26 /* XXX: Used for speeding up WriteCommon operations */
27 unsigned long uniq_id = 0;
29 std::string User::ProcessNoticeMasks(const char *sm)
31 bool adding = true, oldadding = false;
46 for (unsigned char d = 'A'; d <= 'z'; d++)
48 if (ServerInstance->SNO->IsEnabled(d))
50 if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding))
52 if ((oldadding != adding) || (!output.length()))
53 output += (adding ? '+' : '-');
55 this->SetNoticeMask(d, adding);
64 if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c)))
66 if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding))
68 if ((oldadding != adding) || (!output.length()))
69 output += (adding ? '+' : '-');
71 this->SetNoticeMask(*c, adding);
77 this->WriteNumeric(501, "%s %c :is unknown snomask char to me", this->nick, *c);
89 void User::StartDNSLookup()
94 const char* sip = this->GetIPString();
96 /* Special case for 4in6 (Have i mentioned i HATE 4in6?) */
97 if (!strncmp(sip, "0::ffff:", 8))
98 res_reverse = new UserResolver(this->ServerInstance, this, sip + 8, DNS_QUERY_PTR4, cached);
100 res_reverse = new UserResolver(this->ServerInstance, this, sip, this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6, cached);
102 this->ServerInstance->AddResolver(res_reverse, cached);
104 catch (CoreException& e)
106 ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason());
110 bool User::IsNoticeMaskSet(unsigned char sm)
112 return (snomasks[sm-65]);
115 void User::SetNoticeMask(unsigned char sm, bool value)
117 snomasks[sm-65] = value;
120 const char* User::FormatNoticeMasks()
122 static char data[MAXBUF];
125 for (int n = 0; n < 64; n++)
128 data[offset++] = n+65;
137 bool User::IsModeSet(unsigned char m)
139 return (modes[m-65]);
142 void User::SetMode(unsigned char m, bool value)
147 const char* User::FormatModes()
149 static char data[MAXBUF];
151 for (int n = 0; n < 64; n++)
154 data[offset++] = n+65;
160 void User::DecrementModes()
162 ServerInstance->Logs->Log("USERS", DEBUG, "DecrementModes()");
163 for (unsigned char n = 'A'; n <= 'z'; n++)
167 ServerInstance->Logs->Log("USERS", DEBUG,"DecrementModes() found mode %c", n);
168 ModeHandler* mh = ServerInstance->Modes->FindMode(n, MODETYPE_USER);
171 ServerInstance->Logs->Log("USERS", DEBUG,"Found handler %c and call ChangeCount", n);
178 User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance)
180 *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = *uuid = 0;
181 server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName);
182 reset_due = ServerInstance->Time();
183 age = ServerInstance->Time();
185 lines_in = lastping = signon = idle_lastmsg = nping = registered = 0;
186 ChannelCount = timeout = bytes_in = bytes_out = cmds_in = cmds_out = 0;
187 quietquit = OverPenalty = ExemptFromPenalty = quitting = exempt = haspassed = dns_done = false;
192 res_forward = res_reverse = NULL;
197 AllowedUserModes = NULL;
198 AllowedChanModes = NULL;
199 AllowedOperCommands = NULL;
202 memset(modes,0,sizeof(modes));
203 memset(snomasks,0,sizeof(snomasks));
204 /* Invalidate cache */
205 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
208 strlcpy(uuid, Instance->GetUID().c_str(), UUID_LENGTH);
210 strlcpy(uuid, uid.c_str(), UUID_LENGTH);
212 ServerInstance->Logs->Log("USERS", DEBUG,"New UUID for user: %s (%s)", uuid, uid.empty() ? "allocated new" : "used remote");
214 user_hash::iterator finduuid = Instance->Users->uuidlist->find(uuid);
215 if (finduuid == Instance->Users->uuidlist->end())
216 (*Instance->Users->uuidlist)[uuid] = this;
218 throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor");
223 /* NULL for remote users :) */
226 this->MyClass->RefCount--;
227 ServerInstance->Logs->Log("USERS", DEBUG, "User destructor -- connect refcount now: %lu", this->MyClass->RefCount);
229 if (this->AllowedOperCommands)
231 delete AllowedOperCommands;
232 AllowedOperCommands = NULL;
235 if (this->AllowedUserModes)
237 delete[] AllowedUserModes;
238 AllowedUserModes = NULL;
241 if (this->AllowedChanModes)
243 delete[] AllowedChanModes;
244 AllowedChanModes = NULL;
247 this->InvalidateCache();
248 this->DecrementModes();
252 ServerInstance->Users->RemoveCloneCounts(this);
254 if (this->GetProtocolFamily() == AF_INET)
256 delete (sockaddr_in*)ip;
258 #ifdef SUPPORT_IP6LINKS
261 delete (sockaddr_in6*)ip;
266 ServerInstance->Users->uuidlist->erase(uuid);
269 char* User::MakeHost()
271 if (this->cached_makehost)
272 return this->cached_makehost;
275 /* This is much faster than snprintf */
277 for(char* n = ident; *n; n++)
280 for(char* n = host; *n; n++)
284 this->cached_makehost = strdup(nhost);
286 return this->cached_makehost;
289 char* User::MakeHostIP()
291 if (this->cached_hostip)
292 return this->cached_hostip;
295 /* This is much faster than snprintf */
297 for(char* n = ident; *n; n++)
300 for(const char* n = this->GetIPString(); *n; n++)
304 this->cached_hostip = strdup(ihost);
306 return this->cached_hostip;
309 void User::CloseSocket()
311 ServerInstance->SE->Shutdown(this, 2);
312 ServerInstance->SE->Close(this);
315 char* User::GetFullHost()
317 if (this->cached_fullhost)
318 return this->cached_fullhost;
322 for(char* n = nick; *n; n++)
325 for(char* n = ident; *n; n++)
328 for(char* n = dhost; *n; n++)
332 this->cached_fullhost = strdup(result);
334 return this->cached_fullhost;
337 char* User::MakeWildHost()
339 static char nresult[MAXBUF];
341 *t++ = '*'; *t++ = '!';
342 *t++ = '*'; *t++ = '@';
343 for(char* n = dhost; *n; n++)
349 int User::ReadData(void* buffer, size_t size)
354 return read(this->fd, buffer, size);
356 return recv(this->fd, (char*)buffer, size, 0);
364 char* User::GetFullRealHost()
366 if (this->cached_fullrealhost)
367 return this->cached_fullrealhost;
369 char fresult[MAXBUF];
371 for(char* n = nick; *n; n++)
374 for(char* n = ident; *n; n++)
377 for(char* n = host; *n; n++)
381 this->cached_fullrealhost = strdup(fresult);
383 return this->cached_fullrealhost;
386 bool User::IsInvited(const irc::string &channel)
388 time_t now = time(NULL);
389 InvitedList::iterator safei;
390 for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
392 if (channel == i->first)
394 if (i->second != 0 && now > i->second)
396 /* Expired invite, remove it. */
399 invites.erase(safei);
408 InvitedList* User::GetInviteList()
410 time_t now = time(NULL);
411 /* Weed out expired invites here. */
412 InvitedList::iterator safei;
413 for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
415 if (i->second != 0 && now > i->second)
417 /* Expired invite, remove it. */
420 invites.erase(safei);
426 void User::InviteTo(const irc::string &channel, time_t invtimeout)
428 time_t now = time(NULL);
429 if (invtimeout != 0 && now > invtimeout) return; /* Don't add invites that are expired from the get-go. */
430 for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i)
432 if (channel == i->first)
434 if (i->second != 0 && invtimeout > i->second)
436 i->second = invtimeout;
440 invites.push_back(std::make_pair(channel, invtimeout));
443 void User::RemoveInvite(const irc::string &channel)
445 for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++)
447 if (channel == i->first)
455 bool User::HasModePermission(unsigned char mode, ModeType type)
463 if (!AllowedUserModes || !AllowedChanModes)
466 return ((type == MODETYPE_USER ? AllowedUserModes : AllowedChanModes))[(mode - 'A')];
470 bool User::HasPermission(const std::string &command)
473 * users on remote servers can completely bypass all permissions based checks.
474 * This prevents desyncs when one server has different type/class tags to another.
475 * That having been said, this does open things up to the possibility of source changes
476 * allowing remote kills, etc - but if they have access to the src, they most likely have
477 * access to the conf - so it's an end to a means either way.
482 // are they even an oper at all?
488 if (!AllowedOperCommands)
491 if (AllowedOperCommands->find(command) != AllowedOperCommands->end())
493 else if (AllowedOperCommands->find("*") != AllowedOperCommands->end())
499 /** NOTE: We cannot pass a const reference to this method.
500 * The string is changed by the workings of the method,
501 * so that if we pass const ref, we end up copying it to
502 * something we can change anyway. Makes sense to just let
503 * the compiler do that copy for us.
505 bool User::AddBuffer(std::string a)
509 std::string::size_type i = a.rfind('\r');
511 while (i != std::string::npos)
520 if (this->MyClass && (recvq.length() > this->MyClass->GetRecvqMax()))
522 this->SetWriteError("RecvQ exceeded");
523 ServerInstance->SNO->WriteToSnoMask('A', "User %s RecvQ of %d exceeds connect class maximum of %lu",this->nick,recvq.length(),this->MyClass->GetRecvqMax());
532 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::AddBuffer()");
537 bool User::BufferIsReady()
539 return (recvq.find('\n') != std::string::npos);
542 void User::ClearBuffer()
547 std::string User::GetBuffer()
554 /* Strip any leading \r or \n off the string.
555 * Usually there are only one or two of these,
556 * so its is computationally cheap to do.
558 std::string::iterator t = recvq.begin();
559 while (t != recvq.end() && (*t == '\r' || *t == '\n'))
565 for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++)
567 /* Find the first complete line, return it as the
568 * result, and leave the recvq as whats left
572 std::string ret = std::string(recvq.begin(), x);
573 recvq.erase(recvq.begin(), x + 1);
582 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::GetBuffer()");
587 void User::AddWriteBuf(const std::string &data)
589 if (*this->GetWriteError())
592 if (this->MyClass && (sendq.length() + data.length() > this->MyClass->GetSendqMax()))
595 * Fix by brain - Set the error text BEFORE calling, because
596 * if we dont it'll recursively call here over and over again trying
597 * to repeatedly add the text to the sendq!
599 this->SetWriteError("SendQ exceeded");
600 ServerInstance->SNO->WriteToSnoMask('A', "User %s SendQ of %d exceeds connect class maximum of %lu",this->nick,sendq.length() + data.length(),this->MyClass->GetSendqMax());
604 if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */
605 sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */
610 // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it)
611 void User::FlushWriteBuf()
615 if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError()))
619 if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER))
621 int old_sendq_length = sendq.length();
622 int n_sent = ServerInstance->SE->Send(this, this->sendq.data(), this->sendq.length(), 0);
628 /* The socket buffer is full. This isnt fatal,
631 this->ServerInstance->SE->WantWrite(this);
635 /* Fatal error, set write error and bail
637 this->SetWriteError(errno ? strerror(errno) : "EOF from client");
643 /* advance the queue */
645 this->sendq = this->sendq.substr(n_sent);
646 /* update the user's stats counters */
647 this->bytes_out += n_sent;
649 if (n_sent != old_sendq_length)
650 this->ServerInstance->SE->WantWrite(this);
657 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::FlushWriteBuf()");
660 if (this->sendq.empty())
662 FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this));
666 void User::SetWriteError(const std::string &error)
668 // don't try to set the error twice, its already set take the first string.
669 if (this->WriteError.empty())
670 this->WriteError = error;
673 const char* User::GetWriteError()
675 return this->WriteError.c_str();
678 void User::Oper(const std::string &opertype, const std::string &opername)
686 this->modes[UM_OPERATOR] = 1;
687 this->WriteServ("MODE %s :+o", this->nick);
688 FOREACH_MOD(I_OnOper, OnOper(this, opertype));
689 ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str());
690 strlcpy(this->oper, opertype.c_str(), NICKMAX - 1);
691 ServerInstance->Users->all_opers.push_back(this);
693 opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper);
694 if (iter_opertype != ServerInstance->Config->opertypes.end())
697 if (AllowedOperCommands)
698 AllowedOperCommands->clear();
700 AllowedOperCommands = new std::map<std::string, bool>;
702 if (!AllowedChanModes)
703 AllowedChanModes = new bool[64];
705 if (!AllowedUserModes)
706 AllowedUserModes = new bool[64];
708 memset(AllowedUserModes, 0, 64);
709 memset(AllowedChanModes, 0, 64);
711 char* Classes = strdup(iter_opertype->second);
712 char* myclass = strtok_r(Classes," ",&savept);
715 operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass);
716 if (iter_operclass != ServerInstance->Config->operclass.end())
718 char* CommandList = strdup(iter_operclass->second.commandlist);
719 mycmd = strtok_r(CommandList," ",&savept2);
722 this->AllowedOperCommands->insert(std::make_pair(mycmd, true));
723 mycmd = strtok_r(NULL," ",&savept2);
726 this->AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want.
727 for (unsigned char* c = (unsigned char*)iter_operclass->second.umodelist; *c; ++c)
731 memset(this->AllowedUserModes, (int)(true), 64);
735 this->AllowedUserModes[*c - 'A'] = true;
738 for (unsigned char* c = (unsigned char*)iter_operclass->second.cmodelist; *c; ++c)
742 memset(this->AllowedChanModes, (int)(true), 64);
746 this->AllowedChanModes[*c - 'A'] = true;
750 myclass = strtok_r(NULL," ",&savept);
755 FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype, opername));
760 ServerInstance->Logs->Log("OPER", DEBUG,"Exception in User::Oper()");
768 /* Remove all oper only modes from the user when the deoper - Bug #466*/
769 std::string moderemove("-");
771 for (unsigned char letter = 'A'; letter <= 'z'; letter++)
775 ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER);
776 if (mh && mh->NeedsOper())
777 moderemove += letter;
781 const char* parameters[] = { this->nick, moderemove.c_str() };
782 ServerInstance->Parser->CallHandler("MODE", parameters, 2, this);
784 /* unset their oper type (what IS_OPER checks), and remove +o */
786 this->modes[UM_OPERATOR] = 0;
788 /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */
789 ServerInstance->Users->all_opers.remove(this);
791 if (AllowedOperCommands)
793 delete AllowedOperCommands;
794 AllowedOperCommands = NULL;
796 if (AllowedUserModes)
798 delete[] AllowedUserModes;
799 AllowedUserModes = NULL;
801 if (AllowedChanModes)
803 delete[] AllowedChanModes;
804 AllowedChanModes = NULL;
810 void User::QuitUser(InspIRCd* Instance, User *user, const std::string &quitreason, const char* operreason)
812 Instance->Logs->Log("USERS", DEBUG,"QuitUser: %s '%s'", user->nick, quitreason.c_str());
813 user->Write("ERROR :Closing link (%s@%s) [%s]", user->ident, user->host, *operreason ? operreason : quitreason.c_str());
814 user->quietquit = false;
815 user->quitmsg = quitreason;
818 user->operquitmsg = quitreason;
820 user->operquitmsg = operreason;
822 Instance->GlobalCulls.AddItem(user);
825 /* adds or updates an entry in the whowas list */
826 void User::AddToWhoWas()
828 Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS");
831 std::deque<classbase*> params;
832 params.push_back(this);
833 whowas_command->HandleInternal(WHOWAS_ADD, params);
838 * Check class restrictions
840 void User::CheckClass()
842 ConnectClass* a = this->MyClass;
844 if ((!a) || (a->GetType() == CC_DENY))
846 User::QuitUser(ServerInstance, this, "Unauthorised connection");
849 else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal()))
851 User::QuitUser(ServerInstance, this, "No more connections allowed from your host via this connect class (local)");
852 ServerInstance->SNO->WriteToSnoMask('A', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString());
855 else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal()))
857 User::QuitUser(ServerInstance, this, "No more connections allowed from your host via this connect class (global)");
858 ServerInstance->SNO->WriteToSnoMask('A', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString());
862 this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout;
863 this->timeout = ServerInstance->Time() + a->GetRegTimeout();
864 this->MaxChans = a->GetMaxChans();
867 void User::FullConnect()
869 ServerInstance->stats->statsConnects++;
870 this->idle_lastmsg = ServerInstance->Time();
873 * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT.
874 * At the time AddClient is called, we don't have a resolved host, by here we probably do - which
875 * may put the user into a totally seperate class with different restrictions! so we *must* check again.
876 * Don't remove this! -- w00t
880 /* Check the password, if one is required by the user's connect class.
881 * This CANNOT be in CheckClass(), because that is called prior to PASS as well!
883 if (this->MyClass && !this->MyClass->GetPass().empty() && !this->haspassed)
885 User::QuitUser(ServerInstance, this, "Invalid password");
891 GLine *r = (GLine *)ServerInstance->XLines->MatchesLine("G", this);
899 KLine *n = (KLine *)ServerInstance->XLines->MatchesLine("K", this);
908 this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network);
909 this->WriteNumeric(001, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host);
910 this->WriteNumeric(002, "%s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION);
911 this->WriteNumeric(003, "%s :This server was created %s %s", this->nick, __TIME__, __DATE__);
912 this->WriteNumeric(004, "%s %s %s %s %s %s", this->nick, ServerInstance->Config->ServerName, VERSION, ServerInstance->Modes->UserModeList().c_str(), ServerInstance->Modes->ChannelModeList().c_str(), ServerInstance->Modes->ParaModeList().c_str());
914 ServerInstance->Config->Send005(this);
916 this->WriteNumeric(42, "%s %s :your unique ID", this->nick, this->uuid);
922 if (ServerInstance->Users->unregistered_count)
923 ServerInstance->Users->unregistered_count--;
925 /* Trigger LUSERS output, give modules a chance too */
927 FOREACH_RESULT(I_OnPreCommand, OnPreCommand("LUSERS", NULL, 0, this, true, "LUSERS"));
929 ServerInstance->CallCommandHandler("LUSERS", NULL, 0, this);
932 * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff
933 * for a user that doesn't exist yet.
935 FOREACH_MOD(I_OnUserConnect,OnUserConnect(this));
937 this->registered = REG_ALL;
939 FOREACH_MOD(I_OnPostConnect,OnPostConnect(this));
941 ServerInstance->SNO->WriteToSnoMask('c',"Client connecting on port %d: %s!%s@%s [%s] [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString(), this->fullname);
942 ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString());
943 ServerInstance->BanCache->AddHit(this->GetIPString(), "", "");
946 /** User::UpdateNick()
947 * re-allocates a nick in the user_hash after they change nicknames,
948 * returns a pointer to the new user as it may have moved
950 User* User::UpdateNickHash(const char* New)
952 //user_hash::iterator newnick;
953 user_hash::iterator oldnick = ServerInstance->Users->clientlist->find(this->nick);
955 if (!strcasecmp(this->nick,New))
956 return oldnick->second;
958 if (oldnick == ServerInstance->Users->clientlist->end())
959 return NULL; /* doesnt exist */
961 User* olduser = oldnick->second;
962 (*(ServerInstance->Users->clientlist))[New] = olduser;
963 ServerInstance->Users->clientlist->erase(oldnick);
967 void User::InvalidateCache()
969 /* Invalidate cache */
971 free(cached_fullhost);
975 free(cached_makehost);
976 if (cached_fullrealhost)
977 free(cached_fullrealhost);
978 cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL;
981 bool User::ForceNickChange(const char* newnick)
984 * XXX this makes no sense..
985 * why do we do nothing for change on users not REG_ALL?
986 * why do we trigger events twice for everyone previously (and just them now)
987 * i think the first if () needs removing totally, or? -- w00t
989 if (this->registered != REG_ALL)
993 this->InvalidateCache();
995 FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick));
999 ServerInstance->stats->statsCollisions++;
1003 if (ServerInstance->XLines->MatchesLine("Q",newnick))
1005 ServerInstance->stats->statsCollisions++;
1011 std::deque<classbase*> dummy;
1012 Command* nickhandler = ServerInstance->Parser->GetHandler("NICK");
1013 if (nickhandler) // wtfbbq, when would this not be here
1015 nickhandler->HandleInternal(1, dummy);
1016 bool result = (ServerInstance->Parser->CallHandler("NICK", &newnick, 1, this) == CMD_SUCCESS);
1017 nickhandler->HandleInternal(0, dummy);
1026 void User::SetSockAddr(int protocol_family, const char* sip, int port)
1028 this->cachedip = "";
1030 switch (protocol_family)
1032 #ifdef SUPPORT_IP6LINKS
1035 sockaddr_in6* sin = new sockaddr_in6;
1036 sin->sin6_family = AF_INET6;
1037 sin->sin6_port = port;
1038 inet_pton(AF_INET6, sip, &sin->sin6_addr);
1039 this->ip = (sockaddr*)sin;
1045 sockaddr_in* sin = new sockaddr_in;
1046 sin->sin_family = AF_INET;
1047 sin->sin_port = port;
1048 inet_pton(AF_INET, sip, &sin->sin_addr);
1049 this->ip = (sockaddr*)sin;
1053 ServerInstance->Logs->Log("USERS",DEBUG,"Uh oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick);
1060 if (this->ip == NULL)
1063 switch (this->GetProtocolFamily())
1065 #ifdef SUPPORT_IP6LINKS
1068 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1069 return sin->sin6_port;
1075 sockaddr_in* sin = (sockaddr_in*)this->ip;
1076 return sin->sin_port;
1085 int User::GetProtocolFamily()
1087 if (this->ip == NULL)
1090 sockaddr_in* sin = (sockaddr_in*)this->ip;
1091 return sin->sin_family;
1095 * XXX the duplication here is horrid..
1096 * do we really need two methods doing essentially the same thing?
1098 const char* User::GetIPString()
1100 static char buf[1024];
1102 if (this->ip == NULL)
1105 if (!this->cachedip.empty())
1106 return this->cachedip.c_str();
1108 switch (this->GetProtocolFamily())
1110 #ifdef SUPPORT_IP6LINKS
1113 static char temp[1024];
1115 sockaddr_in6* sin = (sockaddr_in6*)this->ip;
1116 inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf));
1117 /* IP addresses starting with a : on irc are a Bad Thing (tm) */
1120 strlcpy(&temp[1], buf, sizeof(temp) - 1);
1122 this->cachedip = temp;
1126 this->cachedip = buf;
1133 sockaddr_in* sin = (sockaddr_in*)this->ip;
1134 inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf));
1135 this->cachedip = buf;
1143 // Unreachable, probably
1147 /** NOTE: We cannot pass a const reference to this method.
1148 * The string is changed by the workings of the method,
1149 * so that if we pass const ref, we end up copying it to
1150 * something we can change anyway. Makes sense to just let
1151 * the compiler do that copy for us.
1153 void User::Write(std::string text)
1155 if (!ServerInstance->SE->BoundsCheckFd(this))
1160 ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%d] O %s", this->GetFd(), text.c_str());
1161 text.append("\r\n");
1165 ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"Exception in User::Write() std::string::append");
1171 /* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to
1172 * implement their own buffering mechanisms
1176 this->io->OnRawSocketWrite(this->fd, text.data(), text.length());
1178 catch (CoreException& modexcept)
1180 ServerInstance->Logs->Log("USEROUTPUT", DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
1185 this->AddWriteBuf(text);
1187 ServerInstance->stats->statsSent += text.length();
1188 this->ServerInstance->SE->WantWrite(this);
1193 void User::Write(const char *text, ...)
1196 char textbuffer[MAXBUF];
1198 va_start(argsPtr, text);
1199 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1202 this->Write(std::string(textbuffer));
1205 void User::WriteServ(const std::string& text)
1207 char textbuffer[MAXBUF];
1209 snprintf(textbuffer,MAXBUF,":%s %s",ServerInstance->Config->ServerName,text.c_str());
1210 this->Write(std::string(textbuffer));
1214 * Same as Write(), except `text' is prefixed with `:server.name '.
1216 void User::WriteServ(const char* text, ...)
1219 char textbuffer[MAXBUF];
1221 va_start(argsPtr, text);
1222 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1225 this->WriteServ(std::string(textbuffer));
1229 void User::WriteNumeric(unsigned int numeric, const char* text, ...)
1232 char textbuffer[MAXBUF];
1234 va_start(argsPtr, text);
1235 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1238 this->WriteNumeric(numeric, std::string(textbuffer));
1241 void User::WriteNumeric(unsigned int numeric, const std::string &text)
1243 char textbuffer[MAXBUF];
1246 FOREACH_RESULT(I_OnNumeric, OnNumeric(this, numeric, text));
1251 snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName, numeric, text.c_str());
1252 this->Write(std::string(textbuffer));
1255 void User::WriteFrom(User *user, const std::string &text)
1259 snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str());
1261 this->Write(std::string(tb));
1265 /* write text from an originating user to originating user */
1267 void User::WriteFrom(User *user, const char* text, ...)
1270 char textbuffer[MAXBUF];
1272 va_start(argsPtr, text);
1273 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1276 this->WriteFrom(user, std::string(textbuffer));
1280 /* write text to an destination user from a source user (e.g. user privmsg) */
1282 void User::WriteTo(User *dest, const char *data, ...)
1284 char textbuffer[MAXBUF];
1287 va_start(argsPtr, data);
1288 vsnprintf(textbuffer, MAXBUF, data, argsPtr);
1291 this->WriteTo(dest, std::string(textbuffer));
1294 void User::WriteTo(User *dest, const std::string &data)
1296 dest->WriteFrom(this, data);
1300 void User::WriteCommon(const char* text, ...)
1302 char textbuffer[MAXBUF];
1305 if (this->registered != REG_ALL)
1308 va_start(argsPtr, text);
1309 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1312 this->WriteCommon(std::string(textbuffer));
1315 void User::WriteCommon(const std::string &text)
1317 bool sent_to_at_least_one = false;
1320 if (this->registered != REG_ALL)
1325 /* We dont want to be doing this n times, just once */
1326 snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1327 std::string out = tb;
1329 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1331 CUList* ulist = v->first->GetUsers();
1332 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1334 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1336 already_sent[i->first->fd] = uniq_id;
1337 i->first->Write(out);
1338 sent_to_at_least_one = true;
1344 * if the user was not in any channels, no users will receive the text. Make sure the user
1345 * receives their OWN message for WriteCommon
1347 if (!sent_to_at_least_one)
1349 this->Write(std::string(tb));
1354 /* write a formatted string to all users who share at least one common
1355 * channel, NOT including the source user e.g. for use in QUIT
1358 void User::WriteCommonExcept(const char* text, ...)
1360 char textbuffer[MAXBUF];
1363 va_start(argsPtr, text);
1364 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1367 this->WriteCommonExcept(std::string(textbuffer));
1370 void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text)
1375 if (this->registered != REG_ALL)
1379 snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str());
1380 snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str());
1381 std::string out1 = tb1;
1382 std::string out2 = tb2;
1384 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1386 CUList *ulist = v->first->GetUsers();
1387 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1389 if (this != i->first)
1391 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1393 already_sent[i->first->fd] = uniq_id;
1394 i->first->Write(IS_OPER(i->first) ? out2 : out1);
1401 void User::WriteCommonExcept(const std::string &text)
1406 if (this->registered != REG_ALL)
1410 snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str());
1413 for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++)
1415 CUList *ulist = v->first->GetUsers();
1416 for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++)
1418 if (this != i->first)
1420 if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id))
1422 already_sent[i->first->fd] = uniq_id;
1423 i->first->Write(out1);
1431 void User::WriteWallOps(const std::string &text)
1433 if (!IS_OPER(this) && IS_LOCAL(this))
1436 std::string wallop("WALLOPS :");
1437 wallop.append(text);
1439 for (std::vector<User*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1442 if (t->IsModeSet('w'))
1443 this->WriteTo(t,wallop);
1447 void User::WriteWallOps(const char* text, ...)
1449 char textbuffer[MAXBUF];
1452 va_start(argsPtr, text);
1453 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1456 this->WriteWallOps(std::string(textbuffer));
1459 /* return 0 or 1 depending if users u and u2 share one or more common channels
1460 * (used by QUIT, NICK etc which arent channel specific notices)
1462 * The old algorithm in 1.0 for this was relatively inefficient, iterating over
1463 * the first users channels then the second users channels within the outer loop,
1464 * therefore it was a maximum of x*y iterations (upon returning 0 and checking
1465 * all possible iterations). However this new function instead checks against the
1466 * channel's userlist in the inner loop which is a std::map<User*,User*>
1467 * and saves us time as we already know what pointer value we are after.
1468 * Don't quote me on the maths as i am not a mathematician or computer scientist,
1469 * but i believe this algorithm is now x+(log y) maximum iterations instead.
1471 bool User::SharesChannelWith(User *other)
1473 if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL))
1477 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1479 /* Eliminate the inner loop (which used to be ~equal in size to the outer loop)
1480 * by replacing it with a map::find which *should* be more efficient
1482 if (i->first->HasUser(other))
1488 bool User::ChangeName(const char* gecos)
1490 if (!strcmp(gecos, this->fullname))
1496 FOREACH_RESULT(I_OnChangeLocalUserGECOS,OnChangeLocalUserGECOS(this,gecos));
1499 FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos));
1501 strlcpy(this->fullname,gecos,MAXGECOS+1);
1506 bool User::ChangeDisplayedHost(const char* shost)
1508 if (!strcmp(shost, this->dhost))
1514 FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,shost));
1517 FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,shost));
1520 if (this->ServerInstance->Config->CycleHosts)
1521 this->WriteCommonExcept("QUIT :Changing hosts");
1523 /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */
1524 strlcpy(this->dhost,shost,64);
1526 this->InvalidateCache();
1528 if (this->ServerInstance->Config->CycleHosts)
1530 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1532 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1533 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1535 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1540 this->WriteNumeric(396, "%s %s :is now your displayed host",this->nick,this->dhost);
1545 bool User::ChangeIdent(const char* newident)
1547 if (!strcmp(newident, this->ident))
1550 if (this->ServerInstance->Config->CycleHosts)
1551 this->WriteCommonExcept("%s","QUIT :Changing ident");
1553 strlcpy(this->ident, newident, IDENTMAX+1);
1555 this->InvalidateCache();
1557 if (this->ServerInstance->Config->CycleHosts)
1559 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1561 i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name);
1562 std::string n = this->ServerInstance->Modes->ModeString(this, i->first);
1564 i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str());
1571 void User::SendAll(const char* command, const char* text, ...)
1573 char textbuffer[MAXBUF];
1574 char formatbuffer[MAXBUF];
1577 va_start(argsPtr, text);
1578 vsnprintf(textbuffer, MAXBUF, text, argsPtr);
1581 snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer);
1582 std::string fmt = formatbuffer;
1584 for (std::vector<User*>::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++)
1591 std::string User::ChannelList(User* source)
1595 for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++)
1597 /* If the target is the same as the sender, let them see all their channels.
1598 * If the channel is NOT private/secret OR the user shares a common channel
1599 * If the user is an oper, and the <options:operspywhois> option is set.
1601 if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!i->first->IsModeSet('p')) && (!i->first->IsModeSet('s'))) || (i->first->HasUser(source))))
1603 list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" ");
1610 void User::SplitChanList(User* dest, const std::string &cl)
1613 std::ostringstream prefix;
1614 std::string::size_type start, pos, length;
1616 prefix << this->nick << " " << dest->nick << " :";
1617 line = prefix.str();
1618 int namelen = strlen(ServerInstance->Config->ServerName) + 6;
1620 for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
1622 length = (pos == std::string::npos) ? cl.length() : pos;
1624 if (line.length() + namelen + length - start > 510)
1626 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1627 line = prefix.str();
1630 if(pos == std::string::npos)
1632 line.append(cl.substr(start, length - start));
1637 line.append(cl.substr(start, length - start + 1));
1643 ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str());
1647 unsigned int User::GetMaxChans()
1649 return this->MaxChans;
1654 * Sets a user's connection class.
1655 * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc.
1656 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1657 * then their ip will be taken as 'priority' anyway, so for example,
1658 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1660 ConnectClass* User::SetClass(const std::string &explicit_name)
1662 ConnectClass *found = NULL;
1664 if (!IS_LOCAL(this))
1667 if (!explicit_name.empty())
1669 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1671 ConnectClass* c = *i;
1673 if (explicit_name == c->GetName() && !c->GetDisabled())
1681 for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++)
1683 ConnectClass* c = *i;
1685 if (((match(this->GetIPString(),c->GetHost().c_str(),true)) || (match(this->host,c->GetHost().c_str()))))
1689 if (this->GetPort() == c->GetPort() && !c->GetDisabled())
1698 if (!c->GetDisabled())
1705 /* ensure we don't fuck things up refcount wise, only remove them from a class if we find a new one :P */
1708 /* deny change if change will take class over the limit */
1709 if (found->limit && (found->RefCount + 1 >= found->limit))
1711 ServerInstance->Logs->Log("USERS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", found->limit);
1712 return this->MyClass;
1715 /* should always be valid, but just in case .. */
1718 if (found == this->MyClass) // no point changing this shit :P
1719 return this->MyClass;
1720 this->MyClass->RefCount--;
1721 ServerInstance->Logs->Log("USERS", DEBUG, "Untying user from connect class -- refcount: %lu", this->MyClass->RefCount);
1724 this->MyClass = found;
1725 this->MyClass->RefCount++;
1726 ServerInstance->Logs->Log("USERS", DEBUG, "User tied to new class -- connect refcount now: %lu", this->MyClass->RefCount);
1729 return this->MyClass;
1732 /* looks up a users password for their connection class (<ALLOW>/<DENY> tags)
1733 * NOTE: If the <ALLOW> or <DENY> tag specifies an ip, and this user resolves,
1734 * then their ip will be taken as 'priority' anyway, so for example,
1735 * <connect allow="127.0.0.1"> will match joe!bloggs@localhost
1737 ConnectClass* User::GetClass()
1739 return this->MyClass;
1742 void User::PurgeEmptyChannels()
1744 std::vector<Channel*> to_delete;
1746 // firstly decrement the count on each channel
1747 for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++)
1749 f->first->RemoveAllPrefixes(this);
1750 if (f->first->DelUser(this) == 0)
1752 /* No users left in here, mark it for deletion */
1755 to_delete.push_back(f->first);
1759 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::PurgeEmptyChannels to_delete.push_back()");
1764 for (std::vector<Channel*>::iterator n = to_delete.begin(); n != to_delete.end(); n++)
1766 Channel* thischan = *n;
1767 chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name);
1768 if (i2 != ServerInstance->chanlist->end())
1770 FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second));
1772 ServerInstance->chanlist->erase(i2);
1773 this->chans.erase(*n);
1780 void User::ShowMOTD()
1782 if (!ServerInstance->Config->MOTD.size())
1784 this->WriteNumeric(422, "%s :Message of the day file is missing.",this->nick);
1787 this->WriteNumeric(375, "%s :%s message of the day", this->nick, ServerInstance->Config->ServerName);
1789 for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++)
1790 this->WriteNumeric(372, "%s :- %s",this->nick,i->c_str());
1792 this->WriteNumeric(376, "%s :End of message of the day.", this->nick);
1795 void User::ShowRULES()
1797 if (!ServerInstance->Config->RULES.size())
1799 this->WriteNumeric(434, "%s :RULES File is missing",this->nick);
1803 this->WriteNumeric(308, "%s :- %s Server Rules -",this->nick,ServerInstance->Config->ServerName);
1805 for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++)
1806 this->WriteNumeric(232, "%s :- %s",this->nick,i->c_str());
1808 this->WriteNumeric(309, "%s :End of RULES command.",this->nick);
1811 void User::HandleEvent(EventType et, int errornum)
1813 if (this->quitting) // drop everything, user is due to be quit
1816 /* WARNING: May delete this user! */
1817 int thisfd = this->GetFd();
1824 ServerInstance->ProcessUser(this);
1827 this->FlushWriteBuf();
1830 /** This should be safe, but dont DARE do anything after it -- Brain */
1831 this->SetWriteError(errornum ? strerror(errornum) : "EOF from client");
1837 ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::HandleEvent intercepted");
1840 /* If the user has raised an error whilst being processed, quit them now we're safe to */
1841 if ((ServerInstance->SE->GetRef(thisfd) == this))
1843 if (!WriteError.empty())
1845 User::QuitUser(ServerInstance, this, GetWriteError());
1850 void User::SetOperQuit(const std::string &oquit)
1852 operquitmsg = oquit;
1855 const char* User::GetOperQuit()
1857 return operquitmsg.c_str();
1860 void User::IncreasePenalty(int increase)
1862 this->Penalty += increase;
1865 void User::DecreasePenalty(int decrease)
1867 this->Penalty -= decrease;
1878 bool VisData::VisibleTo(User* user)