X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fusers.cpp;h=a79f0a61d946639e64a3f9eee272d1abe7e7da83;hb=58385dd458e927994957b6d603f7f9da3fc52e14;hp=e35c5cab8db1854bb6f8a2f430d56f8112fd01c4;hpb=9bc04a302572eb311a147a32ff1d36f1d91f2d7a;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/users.cpp b/src/users.cpp index e35c5cab8..f8a1bd330 100644 --- a/src/users.cpp +++ b/src/users.cpp @@ -2,108 +2,35 @@ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * - * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev. - * E-mail: - * - * - * - * Written by Craig Edwards, Craig McLure, and others. + * 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. + * the file COPYING for details. * * --------------------------------------------------- */ -#include "inspircd_config.h" -#include "configreader.h" -#include "channels.h" -#include "connection.h" -#include "users.h" +/* $Core: libIRCDusers */ + #include "inspircd.h" #include -#include "inspstring.h" -#include "commands.h" -#include "helperfuncs.h" -#include "typedefs.h" #include "socketengine.h" -#include "hashcomp.h" -#include "message.h" #include "wildcard.h" #include "xline.h" -#include "cull_list.h" +#include "bancache.h" +#include "commands/cmd_whowas.h" -extern std::vector modules; -extern std::vector factory; -extern int MODCOUNT; -extern time_t TIME; -extern Server* MyServer; - -irc::whowas::whowas_users whowas; static unsigned long already_sent[MAX_DESCRIPTORS] = {0}; -std::vector all_opers; - -typedef std::map opertype_t; -typedef opertype_t operclass_t; - -opertype_t opertypes; -operclass_t operclass; /* XXX: Used for speeding up WriteCommon operations */ unsigned long uniq_id = 0; -bool InitTypes(ServerConfig* conf, const char* tag) -{ - for (opertype_t::iterator n = opertypes.begin(); n != opertypes.end(); n++) - { - if (n->second) - delete[] n->second; - } - - opertypes.clear(); - return true; -} - -bool InitClasses(ServerConfig* conf, const char* tag) -{ - for (operclass_t::iterator n = operclass.begin(); n != operclass.end(); n++) - { - if (n->second) - delete[] n->second; - } - - operclass.clear(); - return true; -} - -bool DoType(ServerConfig* conf, const char* tag, char** entries, void** values, int* types) -{ - char* TypeName = (char*)values[0]; - char* Classes = (char*)values[1]; - - opertypes[TypeName] = strdup(Classes); - log(DEBUG,"Read oper TYPE '%s' with classes '%s'",TypeName,Classes); - return true; -} - -bool DoClass(ServerConfig* conf, const char* tag, char** entries, void** values, int* types) -{ - char* ClassName = (char*)values[0]; - char* CommandList = (char*)values[1]; - - operclass[ClassName] = strdup(CommandList); - log(DEBUG,"Read oper CLASS '%s' with commands '%s'",ClassName,CommandList); - return true; -} - -bool DoneClassesAndTypes(ServerConfig* conf, const char* tag) -{ - return true; -} - -bool userrec::ProcessNoticeMasks(const char *sm) +std::string User::ProcessNoticeMasks(const char *sm) { - bool adding = true; + bool adding = true, oldadding = false; const char *c = sm; + std::string output; while (c && *c) { @@ -111,110 +38,86 @@ bool userrec::ProcessNoticeMasks(const char *sm) { case '+': adding = true; - break; + break; case '-': adding = false; - break; + break; + case '*': + for (unsigned char d = 'A'; d <= 'z'; d++) + { + if (ServerInstance->SNO->IsEnabled(d)) + { + if ((!IsNoticeMaskSet(d) && adding) || (IsNoticeMaskSet(d) && !adding)) + { + if ((oldadding != adding) || (!output.length())) + output += (adding ? '+' : '-'); + + this->SetNoticeMask(d, adding); + + output += d; + } + } + oldadding = adding; + } + break; default: - if ((*c >= 'A') && (*c <= 'z')) - this->SetNoticeMask(*c, adding); - break; + if ((*c >= 'A') && (*c <= 'z') && (ServerInstance->SNO->IsEnabled(*c))) + { + if ((!IsNoticeMaskSet(*c) && adding) || (IsNoticeMaskSet(*c) && !adding)) + { + if ((oldadding != adding) || (!output.length())) + output += (adding ? '+' : '-'); + + this->SetNoticeMask(*c, adding); + + output += *c; + } + } + else + this->WriteNumeric(501, "%s %c :is unknown snomask char to me", this->nick, *c); + + oldadding = adding; + break; } *c++; } - return true; + return output; } -void userrec::StartDNSLookup() +void User::StartDNSLookup() { - log(DEBUG,"Commencing reverse lookup"); try { - res_reverse = new UserResolver(ServerInstance, this, this->GetIPString(), false); - MyServer->AddResolver(res_reverse); - } - catch (ModuleException& e) - { - log(DEBUG,"Error in resolver: %s",e.GetReason()); - } -} - -UserResolver::UserResolver(InspIRCd* Instance, userrec* user, std::string to_resolve, bool forward) : - Resolver(to_resolve, forward ? DNS_QUERY_FORWARD : DNS_QUERY_REVERSE), bound_user(user), ServerInstance(Instance) -{ - this->fwd = forward; - this->bound_fd = user->fd; -} + bool cached; + const char* sip = this->GetIPString(); -void UserResolver::OnLookupComplete(const std::string &result) -{ - if ((!this->fwd) && (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user)) - { - log(DEBUG,"Commencing forward lookup"); - this->bound_user->stored_host = result; - try - { - bound_user->res_forward = new UserResolver(this->ServerInstance, this->bound_user, result, true); - MyServer->AddResolver(bound_user->res_forward); - } - catch (ModuleException& e) - { - log(DEBUG,"Error in resolver: %s",e.GetReason()); - } - } - else if ((this->fwd) && (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user)) - { - /* Both lookups completed */ - if (this->bound_user->GetIPString() == result) - { - std::string hostname = this->bound_user->stored_host; - if (hostname.length() < 65) - { - /* Hostnames starting with : are not a good thing (tm) */ - if (*(hostname.c_str()) == ':') - hostname = "0" + hostname; - - this->bound_user->WriteServ("NOTICE Auth :*** Found your hostname (%s)", hostname.c_str()); - this->bound_user->dns_done = true; - strlcpy(this->bound_user->dhost, hostname.c_str(),64); - strlcpy(this->bound_user->host, hostname.c_str(),64); - } - else - { - this->bound_user->WriteServ("NOTICE Auth :*** Your hostname is longer than the maximum of 64 characters, using your IP address (%s) instead.", this->bound_user->GetIPString()); - } - } + /* Special case for 4in6 (Have i mentioned i HATE 4in6?) */ + if (!strncmp(sip, "0::ffff:", 8)) + res_reverse = new UserResolver(this->ServerInstance, this, sip + 8, DNS_QUERY_PTR4, cached); else - { - this->bound_user->WriteServ("NOTICE Auth :*** Your hostname does not match up with your IP address. Sorry, using your IP address (%s) instead.", this->bound_user->GetIPString()); - } - } -} + res_reverse = new UserResolver(this->ServerInstance, this, sip, this->GetProtocolFamily() == AF_INET ? DNS_QUERY_PTR4 : DNS_QUERY_PTR6, cached); -void UserResolver::OnError(ResolverError e, const std::string &errormessage) -{ - if (ServerInstance->fd_ref_table[this->bound_fd] == this->bound_user) + this->ServerInstance->AddResolver(res_reverse, cached); + } + catch (CoreException& e) { - /* Error message here */ - this->bound_user->WriteServ("NOTICE Auth :*** Could not resolve your hostname, using your IP address (%s) instead.", this->bound_user->GetIPString()); - this->bound_user->dns_done = true; + ServerInstance->Logs->Log("USERS", DEBUG,"Error in resolver: %s",e.GetReason()); } } - -bool userrec::IsNoticeMaskSet(unsigned char sm) +bool User::IsNoticeMaskSet(unsigned char sm) { return (snomasks[sm-65]); } -void userrec::SetNoticeMask(unsigned char sm, bool value) +void User::SetNoticeMask(unsigned char sm, bool value) { snomasks[sm-65] = value; } -const char* userrec::FormatNoticeMasks() +const char* User::FormatNoticeMasks() { static char data[MAXBUF]; int offset = 0; @@ -231,17 +134,17 @@ const char* userrec::FormatNoticeMasks() -bool userrec::IsModeSet(unsigned char m) +bool User::IsModeSet(unsigned char m) { return (modes[m-65]); } -void userrec::SetMode(unsigned char m, bool value) +void User::SetMode(unsigned char m, bool value) { modes[m-65] = value; } -const char* userrec::FormatModes() +const char* User::FormatModes() { static char data[MAXBUF]; int offset = 0; @@ -254,44 +157,100 @@ const char* userrec::FormatModes() return data; } -userrec::userrec(InspIRCd* Instance) : ServerInstance(Instance) +void User::DecrementModes() +{ + ServerInstance->Logs->Log("USERS", DEBUG, "DecrementModes()"); + for (unsigned char n = 'A'; n <= 'z'; n++) + { + if (modes[n-65]) + { + ServerInstance->Logs->Log("USERS", DEBUG,"DecrementModes() found mode %c", n); + ModeHandler* mh = ServerInstance->Modes->FindMode(n, MODETYPE_USER); + if (mh) + { + ServerInstance->Logs->Log("USERS", DEBUG,"Found handler %c and call ChangeCount", n); + mh->ChangeCount(-1); + } + } + } +} + +User::User(InspIRCd* Instance, const std::string &uid) : ServerInstance(Instance) { - // the PROPER way to do it, AVOID bzero at *ALL* costs - *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = 0; + *password = *nick = *ident = *host = *dhost = *fullname = *awaymsg = *oper = *uuid = 0; server = (char*)Instance->FindServerNamePtr(Instance->Config->ServerName); - reset_due = TIME; - lines_in = fd = lastping = signon = idle_lastmsg = nping = registered = 0; - timeout = flood = bytes_in = bytes_out = cmds_in = cmds_out = 0; - haspassed = dns_done = false; - recvq = ""; - sendq = ""; - WriteError = ""; + reset_due = ServerInstance->Time(); + age = ServerInstance->Time(); + Penalty = 0; + lines_in = lastping = signon = idle_lastmsg = nping = registered = 0; + ChannelCount = timeout = bytes_in = bytes_out = cmds_in = cmds_out = 0; + quietquit = OverPenalty = ExemptFromPenalty = quitting = exempt = haspassed = dns_done = false; + fd = -1; + recvq.clear(); + sendq.clear(); + WriteError.clear(); res_forward = res_reverse = NULL; + Visibility = NULL; ip = NULL; + MyClass = NULL; + io = NULL; + AllowedUserModes = NULL; + AllowedChanModes = NULL; + AllowedOperCommands = NULL; chans.clear(); invites.clear(); - chans.resize(MAXCHANS); memset(modes,0,sizeof(modes)); - - for (unsigned int n = 0; n < MAXCHANS; n++) - { - ucrec* x = new ucrec(); - chans[n] = x; - x->channel = NULL; - x->uc_modes = 0; - } + memset(snomasks,0,sizeof(snomasks)); + /* Invalidate cache */ + cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL; + + if (uid.empty()) + strlcpy(uuid, Instance->GetUID().c_str(), UUID_LENGTH); + else + strlcpy(uuid, uid.c_str(), UUID_LENGTH); + + ServerInstance->Logs->Log("USERS", DEBUG,"New UUID for user: %s (%s)", uuid, uid.empty() ? "allocated new" : "used remote"); + + user_hash::iterator finduuid = Instance->Users->uuidlist->find(uuid); + if (finduuid == Instance->Users->uuidlist->end()) + (*Instance->Users->uuidlist)[uuid] = this; + else + throw CoreException("Duplicate UUID "+std::string(uuid)+" in User constructor"); } -userrec::~userrec() +User::~User() { - for (std::vector::iterator n = chans.begin(); n != chans.end(); n++) + /* NULL for remote users :) */ + if (this->MyClass) + { + this->MyClass->RefCount--; + ServerInstance->Logs->Log("USERS", DEBUG, "User destructor -- connect refcount now: %lu", this->MyClass->RefCount); + } + if (this->AllowedOperCommands) + { + delete AllowedOperCommands; + AllowedOperCommands = NULL; + } + + if (this->AllowedUserModes) + { + delete[] AllowedUserModes; + AllowedUserModes = NULL; + } + + if (this->AllowedChanModes) { - ucrec* x = (ucrec*)*n; - delete x; + delete[] AllowedChanModes; + AllowedChanModes = NULL; } + this->InvalidateCache(); + this->DecrementModes(); + if (ip) { + ServerInstance->Users->RemoveCloneCounts(this); + if (this->GetProtocolFamily() == AF_INET) { delete (sockaddr_in*)ip; @@ -303,11 +262,16 @@ userrec::~userrec() } #endif } + + ServerInstance->Users->uuidlist->erase(uuid); } -/* XXX - minor point, other *Host functions return a char *, this one creates it. Might be nice to be consistant? */ -void userrec::MakeHost(char* nhost) +char* User::MakeHost() { + if (this->cached_makehost) + return this->cached_makehost; + + char nhost[MAXBUF]; /* This is much faster than snprintf */ char* t = nhost; for(char* n = ident; *n; n++) @@ -316,17 +280,44 @@ void userrec::MakeHost(char* nhost) for(char* n = host; *n; n++) *t++ = *n; *t = 0; + + this->cached_makehost = strdup(nhost); + + return this->cached_makehost; +} + +char* User::MakeHostIP() +{ + if (this->cached_hostip) + return this->cached_hostip; + + char ihost[MAXBUF]; + /* This is much faster than snprintf */ + char* t = ihost; + for(char* n = ident; *n; n++) + *t++ = *n; + *t++ = '@'; + for(const char* n = this->GetIPString(); *n; n++) + *t++ = *n; + *t = 0; + + this->cached_hostip = strdup(ihost); + + return this->cached_hostip; } -void userrec::CloseSocket() +void User::CloseSocket() { - shutdown(this->fd,2); - close(this->fd); + ServerInstance->SE->Shutdown(this, 2); + ServerInstance->SE->Close(this); } - -char* userrec::GetFullHost() + +char* User::GetFullHost() { - static char result[MAXBUF]; + if (this->cached_fullhost) + return this->cached_fullhost; + + char result[MAXBUF]; char* t = result; for(char* n = nick; *n; n++) *t++ = *n; @@ -337,10 +328,13 @@ char* userrec::GetFullHost() for(char* n = dhost; *n; n++) *t++ = *n; *t = 0; - return result; + + this->cached_fullhost = strdup(result); + + return this->cached_fullhost; } -char* userrec::MakeWildHost() +char* User::MakeWildHost() { static char nresult[MAXBUF]; char* t = nresult; @@ -352,20 +346,27 @@ char* userrec::MakeWildHost() return nresult; } -int userrec::ReadData(void* buffer, size_t size) +int User::ReadData(void* buffer, size_t size) { - if (this->fd > -1) + if (IS_LOCAL(this)) { +#ifndef WIN32 return read(this->fd, buffer, size); +#else + return recv(this->fd, (char*)buffer, size, 0); +#endif } else return 0; } -char* userrec::GetFullRealHost() +char* User::GetFullRealHost() { - static char fresult[MAXBUF]; + if (this->cached_fullrealhost) + return this->cached_fullrealhost; + + char fresult[MAXBUF]; char* t = fresult; for(char* n = nick; *n; n++) *t++ = *n; @@ -376,60 +377,98 @@ char* userrec::GetFullRealHost() for(char* n = host; *n; n++) *t++ = *n; *t = 0; - return fresult; + + this->cached_fullrealhost = strdup(fresult); + + return this->cached_fullrealhost; } -bool userrec::IsInvited(irc::string &channel) +bool User::IsInvited(const irc::string &channel) { - for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++) + time_t now = time(NULL); + InvitedList::iterator safei; + for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) { - irc::string compare = i->channel; - - if (compare == channel) + if (channel == i->first) { + if (i->second != 0 && now > i->second) + { + /* Expired invite, remove it. */ + safei = i; + --i; + invites.erase(safei); + continue; + } return true; } } return false; } -InvitedList* userrec::GetInviteList() +InvitedList* User::GetInviteList() { + time_t now = time(NULL); + /* Weed out expired invites here. */ + InvitedList::iterator safei; + for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) + { + if (i->second != 0 && now > i->second) + { + /* Expired invite, remove it. */ + safei = i; + --i; + invites.erase(safei); + } + } return &invites; } -void userrec::InviteTo(irc::string &channel) +void User::InviteTo(const irc::string &channel, time_t invtimeout) { - Invited i; - i.channel = channel; - invites.push_back(i); + time_t now = time(NULL); + if (invtimeout != 0 && now > invtimeout) return; /* Don't add invites that are expired from the get-go. */ + for (InvitedList::iterator i = invites.begin(); i != invites.end(); ++i) + { + if (channel == i->first) + { + if (i->second != 0 && invtimeout > i->second) + { + i->second = invtimeout; + } + } + } + invites.push_back(std::make_pair(channel, invtimeout)); } -void userrec::RemoveInvite(irc::string &channel) +void User::RemoveInvite(const irc::string &channel) { - log(DEBUG,"Removing invites"); - - if (invites.size()) + for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++) { - for (InvitedList::iterator i = invites.begin(); i != invites.end(); i++) + if (channel == i->first) { - irc::string compare = i->channel; - - if (compare == channel) - { - invites.erase(i); - return; - } - } - } + invites.erase(i); + return; + } + } } -bool userrec::HasPermission(const std::string &command) +bool User::HasModePermission(unsigned char mode, ModeType type) { - char* mycmd; - char* savept; - char* savept2; + if (!IS_LOCAL(this)) + return true; + + if (!IS_OPER(this)) + return false; + + if (!AllowedUserModes || !AllowedChanModes) + return false; + + return ((type == MODETYPE_USER ? AllowedUserModes : AllowedChanModes))[(mode - 'A')]; +} + +bool User::HasPermission(const std::string &command) +{ /* * users on remote servers can completely bypass all permissions based checks. * This prevents desyncs when one server has different type/class tags to another. @@ -439,718 +478,584 @@ bool userrec::HasPermission(const std::string &command) */ if (!IS_LOCAL(this)) return true; - + // are they even an oper at all? - if (*this->oper) + if (!IS_OPER(this)) { - opertype_t::iterator iter_opertype = opertypes.find(this->oper); - if (iter_opertype != opertypes.end()) - { - char* Classes = strdup(iter_opertype->second); - char* myclass = strtok_r(Classes," ",&savept); - while (myclass) - { - operclass_t::iterator iter_operclass = operclass.find(myclass); - if (iter_operclass != operclass.end()) - { - char* CommandList = strdup(iter_operclass->second); - mycmd = strtok_r(CommandList," ",&savept2); - while (mycmd) - { - if ((!strcasecmp(mycmd,command.c_str())) || (*mycmd == '*')) - { - free(Classes); - free(CommandList); - return true; - } - mycmd = strtok_r(NULL," ",&savept2); - } - free(CommandList); - } - myclass = strtok_r(NULL," ",&savept); - } - free(Classes); - } + return false; } + + if (!AllowedOperCommands) + return false; + + if (AllowedOperCommands->find(command) != AllowedOperCommands->end()) + return true; + else if (AllowedOperCommands->find("*") != AllowedOperCommands->end()) + return true; + return false; } - -bool userrec::AddBuffer(const std::string &a) +/** NOTE: We cannot pass a const reference to this method. + * The string is changed by the workings of the method, + * so that if we pass const ref, we end up copying it to + * something we can change anyway. Makes sense to just let + * the compiler do that copy for us. + */ +bool User::AddBuffer(std::string a) { - std::string b = ""; - - /* NB: std::string is arsey about \r and \n and tries to translate them - * somehow, so we CANNOT use std::string::find() here :( - */ - for (std::string::const_iterator i = a.begin(); i != a.end(); i++) + try { - if (*i != '\r') - b += *i; - } + std::string::size_type i = a.rfind('\r'); + + while (i != std::string::npos) + { + a.erase(i, 1); + i = a.rfind('\r'); + } + + if (a.length()) + recvq.append(a); + + if (this->MyClass && (recvq.length() > this->MyClass->GetRecvqMax())) + { + this->SetWriteError("RecvQ exceeded"); + ServerInstance->SNO->WriteToSnoMask('A', "User %s RecvQ of %d exceeds connect class maximum of %lu",this->nick,recvq.length(),this->MyClass->GetRecvqMax()); + return false; + } - if (b.length()) - recvq.append(b); + return true; + } - if (recvq.length() > (unsigned)this->recvqmax) + catch (...) { - this->SetWriteError("RecvQ exceeded"); - WriteOpers("*** User %s RecvQ of %d exceeds connect class maximum of %d",this->nick,recvq.length(),this->recvqmax); + ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::AddBuffer()"); return false; } - - return true; } -bool userrec::BufferIsReady() +bool User::BufferIsReady() { return (recvq.find('\n') != std::string::npos); } -void userrec::ClearBuffer() +void User::ClearBuffer() { - recvq = ""; + recvq.clear(); } -std::string userrec::GetBuffer() +std::string User::GetBuffer() { - if (!recvq.length()) - return ""; - - /* Strip any leading \r or \n off the string. - * Usually there are only one or two of these, - * so its is computationally cheap to do. - */ - while ((*recvq.begin() == '\r') || (*recvq.begin() == '\n')) - recvq.erase(recvq.begin()); - - for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++) + try { - /* Find the first complete line, return it as the - * result, and leave the recvq as whats left + if (recvq.empty()) + return ""; + + /* Strip any leading \r or \n off the string. + * Usually there are only one or two of these, + * so its is computationally cheap to do. */ - if (*x == '\n') + std::string::iterator t = recvq.begin(); + while (t != recvq.end() && (*t == '\r' || *t == '\n')) { - std::string ret = std::string(recvq.begin(), x); - recvq.erase(recvq.begin(), x + 1); - return ret; + recvq.erase(t); + t = recvq.begin(); + } + + for (std::string::iterator x = recvq.begin(); x != recvq.end(); x++) + { + /* Find the first complete line, return it as the + * result, and leave the recvq as whats left + */ + if (*x == '\n') + { + std::string ret = std::string(recvq.begin(), x); + recvq.erase(recvq.begin(), x + 1); + return ret; + } } + return ""; + } + + catch (...) + { + ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::GetBuffer()"); + return ""; } - return ""; } -void userrec::AddWriteBuf(const std::string &data) +void User::AddWriteBuf(const std::string &data) { if (*this->GetWriteError()) return; - - if (sendq.length() + data.length() > (unsigned)this->sendqmax) + + if (this->MyClass && (sendq.length() + data.length() > this->MyClass->GetSendqMax())) { /* - * Fix by brain - Set the error text BEFORE calling writeopers, because + * Fix by brain - Set the error text BEFORE calling, because * if we dont it'll recursively call here over and over again trying * to repeatedly add the text to the sendq! */ this->SetWriteError("SendQ exceeded"); - WriteOpers("*** User %s SendQ of %d exceeds connect class maximum of %d",this->nick,sendq.length() + data.length(),this->sendqmax); + ServerInstance->SNO->WriteToSnoMask('A', "User %s SendQ of %d exceeds connect class maximum of %lu",this->nick,sendq.length() + data.length(),this->MyClass->GetSendqMax()); return; } - - if (data.length() > 512) - { - std::string newdata(data); - newdata.resize(510); - newdata.append("\r\n"); - sendq.append(newdata); - } + + if (data.length() > MAXBUF - 2) /* MAXBUF has a value of 514, to account for line terminators */ + sendq.append(data.substr(0,MAXBUF - 4)).append("\r\n"); /* MAXBUF-4 = 510 */ else - { sendq.append(data); - } } // send AS MUCH OF THE USERS SENDQ as we are able to (might not be all of it) -void userrec::FlushWriteBuf() +void User::FlushWriteBuf() { - if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER)) + try { - const char* tb = this->sendq.c_str(); - int n_sent = write(this->fd,tb,this->sendq.length()); - if (n_sent == -1) + if ((this->fd == FD_MAGIC_NUMBER) || (*this->GetWriteError())) { - if (errno != EAGAIN) - this->SetWriteError(strerror(errno)); + sendq.clear(); } - else + if ((sendq.length()) && (this->fd != FD_MAGIC_NUMBER)) { - // advance the queue - tb += n_sent; - this->sendq = tb; - // update the user's stats counters - this->bytes_out += n_sent; - this->cmds_out++; + int old_sendq_length = sendq.length(); + int n_sent = ServerInstance->SE->Send(this, this->sendq.data(), this->sendq.length(), 0); + + if (n_sent == -1) + { + if (errno == EAGAIN) + { + /* The socket buffer is full. This isnt fatal, + * try again later. + */ + this->ServerInstance->SE->WantWrite(this); + } + else + { + /* Fatal error, set write error and bail + */ + this->SetWriteError(errno ? strerror(errno) : "EOF from client"); + return; + } + } + else + { + /* advance the queue */ + if (n_sent) + this->sendq = this->sendq.substr(n_sent); + /* update the user's stats counters */ + this->bytes_out += n_sent; + this->cmds_out++; + if (n_sent != old_sendq_length) + this->ServerInstance->SE->WantWrite(this); + } } } -} -void userrec::SetWriteError(const std::string &error) -{ - log(DEBUG,"SetWriteError: %s",error.c_str()); - // don't try to set the error twice, its already set take the first string. - if (!this->WriteError.length()) + catch (...) { - log(DEBUG,"Setting error string for %s to '%s'",this->nick,error.c_str()); - this->WriteError = error; + ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::FlushWriteBuf()"); } -} -const char* userrec::GetWriteError() -{ - return this->WriteError.c_str(); + if (this->sendq.empty()) + { + FOREACH_MOD(I_OnBufferFlushed,OnBufferFlushed(this)); + } } -void userrec::Oper(const std::string &opertype) +void User::SetWriteError(const std::string &error) { - this->modes[UM_OPERATOR] = 1; - this->WriteServ("MODE %s :+o", this->nick); - FOREACH_MOD(I_OnOper, OnOper(this, opertype)); - log(DEFAULT,"OPER: %s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str()); - strlcpy(this->oper, opertype.c_str(), NICKMAX - 1); - all_opers.push_back(this); - FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype)); + // don't try to set the error twice, its already set take the first string. + if (this->WriteError.empty()) + this->WriteError = error; } -void userrec::UnOper() +const char* User::GetWriteError() { - if (*this->oper) - { - *this->oper = 0; - this->modes[UM_OPERATOR] = 0; - for (std::vector::iterator a = all_opers.begin(); a < all_opers.end(); a++) - { - if (*a == this) - { - log(DEBUG,"Oper removed from optimization list"); - all_opers.erase(a); - return; - } - } - } + return this->WriteError.c_str(); } -void userrec::QuitUser(InspIRCd* Instance, userrec *user,const std::string &quitreason) +void User::Oper(const std::string &opertype, const std::string &opername) { - user_hash::iterator iter = Instance->clientlist.find(user->nick); - -/* - * I'm pretty sure returning here is causing a desync when part of the net thinks a user is gone, - * and another part doesn't. We want to broadcast the quit/kill before bailing so the net stays in sync. - * - * I can't imagine this blowing up, so I'm commenting it out. We still check - * before playing with a bad iterator below in our if(). DISCUSS THIS BEFORE YOU DO ANYTHING. --w00t - * - * if (iter == clientlist.end()) - * return; - */ - std::string reason = quitreason; - - if (reason.length() > MAXQUIT - 1) - reason.resize(MAXQUIT - 1); - - if (IS_LOCAL(user)) - user->Write("ERROR :Closing link (%s@%s) [%s]",user->ident,user->host,reason.c_str()); + char* mycmd; + char* savept; + char* savept2; - if (user->registered == REG_ALL) + try { - purge_empty_chans(user); - FOREACH_MOD_I(Instance,I_OnUserQuit,OnUserQuit(user,reason)); - user->WriteCommonExcept("QUIT :%s",reason.c_str()); - } + this->modes[UM_OPERATOR] = 1; + this->WriteServ("MODE %s :+o", this->nick); + FOREACH_MOD(I_OnOper, OnOper(this, opertype)); + ServerInstance->Logs->Log("OPER", DEFAULT, "%s!%s@%s opered as type: %s", this->nick, this->ident, this->host, opertype.c_str()); + strlcpy(this->oper, opertype.c_str(), NICKMAX - 1); + ServerInstance->Users->all_opers.push_back(this); - if (IS_LOCAL(user)) - user->FlushWriteBuf(); - - FOREACH_MOD_I(Instance,I_OnUserDisconnect,OnUserDisconnect(user)); - - if (IS_LOCAL(user)) - { - if (Instance->Config->GetIOHook(user->GetPort())) + opertype_t::iterator iter_opertype = ServerInstance->Config->opertypes.find(this->oper); + if (iter_opertype != ServerInstance->Config->opertypes.end()) { - try - { - Instance->Config->GetIOHook(user->GetPort())->OnRawSocketClose(user->fd); - } - catch (ModuleException& modexcept) - { - log(DEBUG,"Module exception cought: %s",modexcept.GetReason()); - } - } - - Instance->SE->DelFd(user->fd); - user->CloseSocket(); - } - - /* - * this must come before the WriteOpers so that it doesnt try to fill their buffer with anything - * if they were an oper with +s. - * - * XXX - - * In the current implementation, we only show local quits, as we only show local connects. With - * the proposed implmentation of snomasks however, this will likely change in the (near?) future. - */ - if (user->registered == REG_ALL) - { - if (IS_LOCAL(user)) - WriteOpers("*** Client exiting: %s!%s@%s [%s]",user->nick,user->ident,user->host,reason.c_str()); - user->AddToWhoWas(); - } - if (iter != Instance->clientlist.end()) - { - log(DEBUG,"deleting user hash value %lx",(unsigned long)user); - if (IS_LOCAL(user)) - { - Instance->fd_ref_table[user->fd] = NULL; - if (find(Instance->local_users.begin(),Instance->local_users.end(),user) != Instance->local_users.end()) - Instance->local_users.erase(find(Instance->local_users.begin(),Instance->local_users.end(),user)); - } - Instance->clientlist.erase(iter); - DELETE(user); - } -} + if (AllowedOperCommands) + AllowedOperCommands->clear(); + else + AllowedOperCommands = new std::map; -namespace irc -{ - namespace whowas - { + if (!AllowedChanModes) + AllowedChanModes = new bool[64]; - WhoWasGroup::WhoWasGroup(userrec* user) : host(NULL), dhost(NULL), ident(NULL), server(NULL), gecos(NULL), signon(user->signon) - { - this->host = strdup(user->host); - this->dhost = strdup(user->dhost); - this->ident = strdup(user->ident); - this->server = user->server; - this->gecos = strdup(user->fullname); - } + if (!AllowedUserModes) + AllowedUserModes = new bool[64]; - WhoWasGroup::~WhoWasGroup() - { - if (host) - free(host); - if (dhost) - free(dhost); - if (ident) - free(ident); - if (gecos) - free(gecos); - } + memset(AllowedUserModes, 0, 64); + memset(AllowedChanModes, 0, 64); - /* every hour, run this function which removes all entries over 3 days */ - void MaintainWhoWas(time_t TIME) - { - for (whowas_users::iterator iter = ::whowas.begin(); iter != ::whowas.end(); iter++) + char* Classes = strdup(iter_opertype->second); + char* myclass = strtok_r(Classes," ",&savept); + while (myclass) { - whowas_set* n = (whowas_set*)iter->second; - if (n->size()) + operclass_t::iterator iter_operclass = ServerInstance->Config->operclass.find(myclass); + if (iter_operclass != ServerInstance->Config->operclass.end()) { - while ((n->begin() != n->end()) && ((*n->begin())->signon < TIME - 259200)) // 3 days + char* CommandList = strdup(iter_operclass->second.commandlist); + mycmd = strtok_r(CommandList," ",&savept2); + while (mycmd) { - WhoWasGroup *a = *(n->begin()); - DELETE(a); - n->erase(n->begin()); + this->AllowedOperCommands->insert(std::make_pair(mycmd, true)); + mycmd = strtok_r(NULL," ",&savept2); + } + free(CommandList); + this->AllowedUserModes['o' - 'A'] = true; // Call me paranoid if you want. + for (unsigned char* c = (unsigned char*)iter_operclass->second.umodelist; *c; ++c) + { + if (*c == '*') + { + memset(this->AllowedUserModes, (int)(true), 64); + } + else + { + this->AllowedUserModes[*c - 'A'] = true; + } + } + for (unsigned char* c = (unsigned char*)iter_operclass->second.cmodelist; *c; ++c) + { + if (*c == '*') + { + memset(this->AllowedChanModes, (int)(true), 64); + } + else + { + this->AllowedChanModes[*c - 'A'] = true; + } } } + myclass = strtok_r(NULL," ",&savept); } + free(Classes); } - }; -}; -/* adds or updates an entry in the whowas list */ -void userrec::AddToWhoWas() -{ - irc::whowas::whowas_users::iterator iter = whowas.find(this->nick); - - if (iter == whowas.end()) - { - irc::whowas::whowas_set* n = new irc::whowas::whowas_set; - irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this); - n->push_back(a); - whowas[this->nick] = n; + FOREACH_MOD(I_OnPostOper,OnPostOper(this, opertype, opername)); } - else - { - irc::whowas::whowas_set* group = (irc::whowas::whowas_set*)iter->second; - if (group->size() > 10) - { - irc::whowas::WhoWasGroup *a = (irc::whowas::WhoWasGroup*)*(group->begin()); - DELETE(a); - group->pop_front(); - } - - irc::whowas::WhoWasGroup *a = new irc::whowas::WhoWasGroup(this); - group->push_back(a); + catch (...) + { + ServerInstance->Logs->Log("OPER", DEBUG,"Exception in User::Oper()"); } } -/* add a client connection to the sockets list */ -void userrec::AddClient(InspIRCd* Instance, int socket, int port, bool iscached, insp_inaddr ip) +void User::UnOper() { - std::string tempnick = ConvToStr(socket) + "-unknown"; - user_hash::iterator iter = Instance->clientlist.find(tempnick); - const char *ipaddr = insp_ntoa(ip); - userrec* _new; - int j = 0; - - /* - * fix by brain. - * as these nicknames are 'RFC impossible', we can be sure nobody is going to be - * using one as a registered connection. As they are per fd, we can also safely assume - * that we wont have collisions. Therefore, if the nick exists in the list, its only - * used by a dead socket, erase the iterator so that the new client may reclaim it. - * this was probably the cause of 'server ignores me when i hammer it with reconnects' - * issue in earlier alphas/betas - */ - if (iter != Instance->clientlist.end()) + if (IS_OPER(this)) { - userrec* goner = iter->second; - DELETE(goner); - Instance->clientlist.erase(iter); - } - - log(DEBUG,"AddClient: %d %d %s",socket,port,ipaddr); - - _new = new userrec(Instance); - Instance->clientlist[tempnick] = _new; - _new->fd = socket; - strlcpy(_new->nick,tempnick.c_str(),NICKMAX-1); - - _new->server = Instance->FindServerNamePtr(Instance->Config->ServerName); - /* We don't need range checking here, we KNOW 'unknown\0' will fit into the ident field. */ - strcpy(_new->ident, "unknown"); - - _new->registered = REG_NONE; - _new->signon = TIME + Instance->Config->dns_timeout; - _new->lastping = 1; - - log(DEBUG,"Setting socket addresses"); - _new->SetSockAddr(AF_FAMILY, ipaddr, port); - log(DEBUG,"Socket addresses set."); - - /* Smarter than your average bear^H^H^H^Hset of strlcpys. */ - for (const char* temp = _new->GetIPString(); *temp && j < 64; temp++, j++) - _new->dhost[j] = _new->host[j] = *temp; - _new->dhost[j] = _new->host[j] = 0; - - // set the registration timeout for this user - unsigned long class_regtimeout = 90; - int class_flood = 0; - long class_threshold = 5; - long class_sqmax = 262144; // 256kb - long class_rqmax = 4096; // 4k + /* Remove all oper only modes from the user when the deoper - Bug #466*/ + std::string moderemove("-"); - for (ClassVector::iterator i = Instance->Config->Classes.begin(); i != Instance->Config->Classes.end(); i++) - { - if ((i->type == CC_ALLOW) && (match(ipaddr,i->host.c_str(),true))) + for (unsigned char letter = 'A'; letter <= 'z'; letter++) { - class_regtimeout = (unsigned long)i->registration_timeout; - class_flood = i->flood; - _new->pingmax = i->pingtime; - class_threshold = i->threshold; - class_sqmax = i->sendqmax; - class_rqmax = i->recvqmax; - break; + if (letter != 'o') + { + ModeHandler* mh = ServerInstance->Modes->FindMode(letter, MODETYPE_USER); + if (mh && mh->NeedsOper()) + moderemove += letter; + } } - } - - _new->nping = TIME + _new->pingmax + Instance->Config->dns_timeout; - _new->timeout = TIME+class_regtimeout; - _new->flood = class_flood; - _new->threshold = class_threshold; - _new->sendqmax = class_sqmax; - _new->recvqmax = class_rqmax; - Instance->fd_ref_table[socket] = _new; - Instance->local_users.push_back(_new); + const char* parameters[] = { this->nick, moderemove.c_str() }; + ServerInstance->Parser->CallHandler("MODE", parameters, 2, this); - if (Instance->local_users.size() > Instance->Config->SoftLimit) - { - userrec::QuitUser(Instance, _new,"No more connections allowed"); - return; - } - - if (Instance->local_users.size() >= MAXCLIENTS) - { - userrec::QuitUser(Instance, _new,"No more connections allowed"); - return; - } + /* unset their oper type (what IS_OPER checks), and remove +o */ + *this->oper = 0; + this->modes[UM_OPERATOR] = 0; + + /* remove the user from the oper list. Will remove multiple entries as a safeguard against bug #404 */ + ServerInstance->Users->all_opers.remove(this); - /* - * XXX - - * this is done as a safety check to keep the file descriptors within range of fd_ref_table. - * its a pretty big but for the moment valid assumption: - * file descriptors are handed out starting at 0, and are recycled as theyre freed. - * therefore if there is ever an fd over 65535, 65536 clients must be connected to the - * irc server at once (or the irc server otherwise initiating this many connections, files etc) - * which for the time being is a physical impossibility (even the largest networks dont have more - * than about 10,000 users on ONE server!) - */ - if ((unsigned)socket >= MAX_DESCRIPTORS) - { - userrec::QuitUser(Instance, _new,"Server is full"); - return; - } - char* e = matches_exception(ipaddr); - if (!e) - { - char* r = matches_zline(ipaddr); - if (r) + if (AllowedOperCommands) { - char reason[MAXBUF]; - snprintf(reason,MAXBUF,"Z-Lined: %s",r); - userrec::QuitUser(Instance, _new,reason); - return; + delete AllowedOperCommands; + AllowedOperCommands = NULL; } - } - - if (socket > -1) - { - if (!Instance->SE->AddFd(socket,true,X_ESTAB_CLIENT)) + if (AllowedUserModes) { - userrec::QuitUser(Instance, _new, "Internal error handling connection"); - return; + delete[] AllowedUserModes; + AllowedUserModes = NULL; + } + if (AllowedChanModes) + { + delete[] AllowedChanModes; + AllowedChanModes = NULL; } - } - _new->WriteServ("NOTICE Auth :*** Looking up your hostname..."); + } } -long userrec::GlobalCloneCount() +void User::QuitUser(InspIRCd* Instance, User *user, const std::string &quitreason, const char* operreason) { - char u1[1024]; - char u2[1024]; - long x = 0; - for (user_hash::const_iterator a = ServerInstance->clientlist.begin(); a != ServerInstance->clientlist.end(); a++) - { - /* We have to match ip's as strings - we don't know what protocol - * a remote user may be using - */ - if (!strcasecmp(a->second->GetIPString(u1), this->GetIPString(u2))) - x++; - } - return x; + Instance->Logs->Log("USERS", DEBUG,"QuitUser: %s '%s'", user->nick, quitreason.c_str()); + user->Write("ERROR :Closing link (%s@%s) [%s]", user->ident, user->host, *operreason ? operreason : quitreason.c_str()); + user->quietquit = false; + user->quitmsg = quitreason; + + if (!*operreason) + user->operquitmsg = quitreason; + else + user->operquitmsg = operreason; + + Instance->GlobalCulls.AddItem(user); } -long userrec::LocalCloneCount() +/* adds or updates an entry in the whowas list */ +void User::AddToWhoWas() { - long x = 0; - for (std::vector::const_iterator a = ServerInstance->local_users.begin(); a != ServerInstance->local_users.end(); a++) + Command* whowas_command = ServerInstance->Parser->GetHandler("WHOWAS"); + if (whowas_command) { - userrec* comp = *a; -#ifdef IPV6 - /* I dont think theres any faster way of matching two ipv6 addresses than memcmp */ - in6_addr* s1 = &(((sockaddr_in6*)comp->ip)->sin6_addr); - in6_addr* s2 = &(((sockaddr_in6*)this->ip)->sin6_addr); - if (!memcmp(s1->s6_addr, s2->s6_addr, sizeof(in6_addr))) - x++; -#else - in_addr* s1 = &((sockaddr_in*)comp->ip)->sin_addr; - in_addr* s2 = &((sockaddr_in*)this->ip)->sin_addr; - if (s1->s_addr == s2->s_addr) - x++; -#endif + std::deque params; + params.push_back(this); + whowas_command->HandleInternal(WHOWAS_ADD, params); } - return x; } -void userrec::FullConnect(CullList* Goners) +/* + * Check class restrictions + */ +void User::CheckClass() { - ServerInstance->stats->statsConnects++; - this->idle_lastmsg = TIME; - - ConnectClass a = GetClass(this); + ConnectClass* a = this->MyClass; - if (a.type == CC_DENY) + if ((!a) || (a->GetType() == CC_DENY)) { - Goners->AddItem(this,"Unauthorised connection"); + User::QuitUser(ServerInstance, this, "Unauthorised connection"); return; } - - if ((*(a.pass.c_str())) && (!this->haspassed)) + else if ((a->GetMaxLocal()) && (ServerInstance->Users->LocalCloneCount(this) > a->GetMaxLocal())) { - Goners->AddItem(this,"Invalid password"); + User::QuitUser(ServerInstance, this, "No more connections allowed from your host via this connect class (local)"); + ServerInstance->SNO->WriteToSnoMask('A', "WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a->GetMaxLocal(), this->GetIPString()); return; } - - if (this->LocalCloneCount() > a.maxlocal) + else if ((a->GetMaxGlobal()) && (ServerInstance->Users->GlobalCloneCount(this) > a->GetMaxGlobal())) { - Goners->AddItem(this, "No more connections allowed from your host via this connect class (local)"); - WriteOpers("*** WARNING: maximum LOCAL connections (%ld) exceeded for IP %s", a.maxlocal, this->GetIPString()); + User::QuitUser(ServerInstance, this, "No more connections allowed from your host via this connect class (global)"); + ServerInstance->SNO->WriteToSnoMask('A', "WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s", a->GetMaxGlobal(), this->GetIPString()); return; } - else if (this->GlobalCloneCount() > a.maxglobal) + + this->nping = ServerInstance->Time() + a->GetPingTime() + ServerInstance->Config->dns_timeout; + this->timeout = ServerInstance->Time() + a->GetRegTimeout(); + this->MaxChans = a->GetMaxChans(); +} + +void User::FullConnect() +{ + ServerInstance->stats->statsConnects++; + this->idle_lastmsg = ServerInstance->Time(); + + /* + * You may be thinking "wtf, we checked this in User::AddClient!" - and yes, we did, BUT. + * At the time AddClient is called, we don't have a resolved host, by here we probably do - which + * may put the user into a totally seperate class with different restrictions! so we *must* check again. + * Don't remove this! -- w00t + */ + this->SetClass(); + + /* Check the password, if one is required by the user's connect class. + * This CANNOT be in CheckClass(), because that is called prior to PASS as well! + */ + if (this->MyClass && !this->MyClass->GetPass().empty() && !this->haspassed) { - Goners->AddItem(this, "No more connections allowed from your host via this connect class (global)"); - WriteOpers("*** WARNING: maximum GLOBAL connections (%ld) exceeded for IP %s",a.maxglobal, this->GetIPString()); + User::QuitUser(ServerInstance, this, "Invalid password"); return; } - char match_against[MAXBUF]; - snprintf(match_against,MAXBUF,"%s@%s", this->ident, this->host); - char* e = matches_exception(match_against); - - if (!e) + if (!this->exempt) { - char* r = matches_gline(match_against); - + GLine *r = (GLine *)ServerInstance->XLines->MatchesLine("G", this); + if (r) { - char reason[MAXBUF]; - snprintf(reason,MAXBUF,"G-Lined: %s",r); - Goners->AddItem(this, reason); + r->Apply(this); return; } - - r = matches_kline(match_against); - - if (r) + + KLine *n = (KLine *)ServerInstance->XLines->MatchesLine("K", this); + + if (n) { - char reason[MAXBUF]; - snprintf(reason,MAXBUF,"K-Lined: %s",r); - Goners->AddItem(this, reason); + n->Apply(this); return; } } - this->WriteServ("NOTICE Auth :Welcome to \002%s\002!",ServerInstance->Config->Network); - this->WriteServ("001 %s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host); - this->WriteServ("002 %s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION); - this->WriteServ("003 %s :This server was created %s %s", this->nick, __TIME__, __DATE__); - this->WriteServ("004 %s %s %s %s %s %s", this->nick, ServerInstance->Config->ServerName, VERSION, ServerInstance->ModeGrok->UserModeList().c_str(), ServerInstance->ModeGrok->ChannelModeList().c_str(), ServerInstance->ModeGrok->ParaModeList().c_str()); - - // anfl @ #ratbox, efnet reminded me that according to the RFC this cant contain more than 13 tokens per line... - // so i'd better split it :) - std::stringstream out(ServerInstance->Config->data005); - std::string token = ""; - std::string line5 = ""; - int token_counter = 0; - - while (!out.eof()) - { - out >> token; - line5 = line5 + token + " "; - token_counter++; - - if ((token_counter >= 13) || (out.eof() == true)) - { - this->WriteServ("005 %s %s:are supported by this server", this->nick, line5.c_str()); - line5 = ""; - token_counter = 0; - } - } - - ShowMOTD(this); + this->WriteNumeric(001, "%s :Welcome to the %s IRC Network %s!%s@%s",this->nick, ServerInstance->Config->Network, this->nick, this->ident, this->host); + this->WriteNumeric(002, "%s :Your host is %s, running version %s",this->nick,ServerInstance->Config->ServerName,VERSION); + this->WriteNumeric(003, "%s :This server was created %s %s", this->nick, __TIME__, __DATE__); + 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()); + + ServerInstance->Config->Send005(this); + + this->WriteNumeric(42, "%s %s :your unique ID", this->nick, this->uuid); + + + this->ShowMOTD(); + + /* Now registered */ + if (ServerInstance->Users->unregistered_count) + ServerInstance->Users->unregistered_count--; + + /* Trigger LUSERS output, give modules a chance too */ + int MOD_RESULT = 0; + FOREACH_RESULT(I_OnPreCommand, OnPreCommand("LUSERS", NULL, 0, this, true, "LUSERS")); + if (!MOD_RESULT) + ServerInstance->CallCommandHandler("LUSERS", NULL, 0, this); /* - * fix 3 by brain, move registered = 7 below these so that spurious modes and host - * changes dont go out onto the network and produce 'fake direction'. + * We don't set REG_ALL until triggering OnUserConnect, so some module events don't spew out stuff + * for a user that doesn't exist yet. */ FOREACH_MOD(I_OnUserConnect,OnUserConnect(this)); - FOREACH_MOD(I_OnGlobalConnect,OnGlobalConnect(this)); + this->registered = REG_ALL; - WriteOpers("*** Client connecting on port %d: %s!%s@%s [%s]", this->GetPort(), this->nick, this->ident, this->host, this->GetIPString()); + + FOREACH_MOD(I_OnPostConnect,OnPostConnect(this)); + + 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); + ServerInstance->Logs->Log("BANCACHE", DEBUG, "BanCache: Adding NEGATIVE hit for %s", this->GetIPString()); + ServerInstance->BanCache->AddHit(this->GetIPString(), "", ""); } -/** userrec::UpdateNick() +/** User::UpdateNick() * re-allocates a nick in the user_hash after they change nicknames, * returns a pointer to the new user as it may have moved */ -userrec* userrec::UpdateNickHash(const char* New) +User* User::UpdateNickHash(const char* New) { //user_hash::iterator newnick; - user_hash::iterator oldnick = ServerInstance->clientlist.find(this->nick); + user_hash::iterator oldnick = ServerInstance->Users->clientlist->find(this->nick); if (!strcasecmp(this->nick,New)) return oldnick->second; - if (oldnick == ServerInstance->clientlist.end()) + if (oldnick == ServerInstance->Users->clientlist->end()) return NULL; /* doesnt exist */ - userrec* olduser = oldnick->second; - ServerInstance->clientlist[New] = olduser; - ServerInstance->clientlist.erase(oldnick); - return ServerInstance->clientlist[New]; + User* olduser = oldnick->second; + (*(ServerInstance->Users->clientlist))[New] = olduser; + ServerInstance->Users->clientlist->erase(oldnick); + return olduser; } -bool userrec::ForceNickChange(const char* newnick) +void User::InvalidateCache() { - char nick[MAXBUF]; - int MOD_RESULT = 0; - - *nick = 0; + /* Invalidate cache */ + if (cached_fullhost) + free(cached_fullhost); + if (cached_hostip) + free(cached_hostip); + if (cached_makehost) + free(cached_makehost); + if (cached_fullrealhost) + free(cached_fullrealhost); + cached_fullhost = cached_hostip = cached_makehost = cached_fullrealhost = NULL; +} - FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick)); - - if (MOD_RESULT) - { - ServerInstance->stats->statsCollisions++; - return false; - } - - if (matches_qline(newnick)) +bool User::ForceNickChange(const char* newnick) +{ + /* + * XXX this makes no sense.. + * why do we do nothing for change on users not REG_ALL? + * why do we trigger events twice for everyone previously (and just them now) + * i think the first if () needs removing totally, or? -- w00t + */ + if (this->registered != REG_ALL) { - ServerInstance->stats->statsCollisions++; - return false; - } + int MOD_RESULT = 0; - if (newnick) - { - strlcpy(this->nick, newnick, NICKMAX - 1); + this->InvalidateCache(); + + FOREACH_RESULT(I_OnUserPreNick,OnUserPreNick(this, newnick)); + + if (MOD_RESULT) + { + ServerInstance->stats->statsCollisions++; + return false; + } + + if (ServerInstance->XLines->MatchesLine("Q",newnick)) + { + ServerInstance->stats->statsCollisions++; + return false; + } } - if (this->registered == REG_ALL) + else { - const char* pars[1]; - pars[0] = nick; - std::string cmd = "NICK"; - ServerInstance->Parser->CallHandler(cmd, pars, 1, this); + std::deque dummy; + Command* nickhandler = ServerInstance->Parser->GetHandler("NICK"); + if (nickhandler) // wtfbbq, when would this not be here + { + nickhandler->HandleInternal(1, dummy); + bool result = (ServerInstance->Parser->CallHandler("NICK", &newnick, 1, this) == CMD_SUCCESS); + nickhandler->HandleInternal(0, dummy); + return result; + } } - return true; + + // Unreachable. + return false; } -void userrec::SetSockAddr(int protocol_family, const char* ip, int port) +void User::SetSockAddr(int protocol_family, const char* sip, int port) { + this->cachedip = ""; + switch (protocol_family) { #ifdef SUPPORT_IP6LINKS case AF_INET6: { - log(DEBUG,"Set inet6 protocol address"); sockaddr_in6* sin = new sockaddr_in6; sin->sin6_family = AF_INET6; sin->sin6_port = port; - inet_pton(AF_INET6, ip, &sin->sin6_addr); + inet_pton(AF_INET6, sip, &sin->sin6_addr); this->ip = (sockaddr*)sin; } break; #endif case AF_INET: { - log(DEBUG,"Set inet4 protocol address"); sockaddr_in* sin = new sockaddr_in; sin->sin_family = AF_INET; sin->sin_port = port; - inet_pton(AF_INET, ip, &sin->sin_addr); + inet_pton(AF_INET, sip, &sin->sin_addr); this->ip = (sockaddr*)sin; } break; default: - log(DEBUG,"Ut oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick); + ServerInstance->Logs->Log("USERS",DEBUG,"Uh oh, I dont know protocol %d to be set on '%s'!", protocol_family, this->nick); break; } } -int userrec::GetPort() +int User::GetPort() { if (this->ip == NULL) return 0; @@ -1172,13 +1077,12 @@ int userrec::GetPort() } break; default: - log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick); break; } return 0; } -int userrec::GetProtocolFamily() +int User::GetProtocolFamily() { if (this->ip == NULL) return 0; @@ -1187,28 +1091,39 @@ int userrec::GetProtocolFamily() return sin->sin_family; } -const char* userrec::GetIPString() +/* + * XXX the duplication here is horrid.. + * do we really need two methods doing essentially the same thing? + */ +const char* User::GetIPString() { static char buf[1024]; - static char temp[1024]; if (this->ip == NULL) return ""; + if (!this->cachedip.empty()) + return this->cachedip.c_str(); + switch (this->GetProtocolFamily()) { #ifdef SUPPORT_IP6LINKS case AF_INET6: { + static char temp[1024]; + sockaddr_in6* sin = (sockaddr_in6*)this->ip; inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf)); /* IP addresses starting with a : on irc are a Bad Thing (tm) */ if (*buf == ':') { - strlcpy(&temp[1], buf, sizeof(temp)); + strlcpy(&temp[1], buf, sizeof(temp) - 1); *temp = '0'; + this->cachedip = temp; return temp; } + + this->cachedip = buf; return buf; } break; @@ -1217,89 +1132,65 @@ const char* userrec::GetIPString() { sockaddr_in* sin = (sockaddr_in*)this->ip; inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf)); + this->cachedip = buf; return buf; } break; default: - log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick); break; } + + // Unreachable, probably return ""; } -const char* userrec::GetIPString(char* buf) +/** NOTE: We cannot pass a const reference to this method. + * The string is changed by the workings of the method, + * so that if we pass const ref, we end up copying it to + * something we can change anyway. Makes sense to just let + * the compiler do that copy for us. + */ +void User::Write(std::string text) { - static char temp[1024]; + if (!ServerInstance->SE->BoundsCheckFd(this)) + return; - if (this->ip == NULL) + try { - *buf = 0; - return buf; + ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"C[%d] O %s", this->GetFd(), text.c_str()); + text.append("\r\n"); } - - switch (this->GetProtocolFamily()) + catch (...) { -#ifdef SUPPORT_IP6LINKS - case AF_INET6: - { - sockaddr_in6* sin = (sockaddr_in6*)this->ip; - inet_ntop(sin->sin6_family, &sin->sin6_addr, buf, sizeof(buf)); - /* IP addresses starting with a : on irc are a Bad Thing (tm) */ - if (*buf == ':') - { - strlcpy(&temp[1], buf, sizeof(temp)); - *temp = '0'; - strlcpy(buf, temp, sizeof(temp)); - } - return buf; - } - break; -#endif - case AF_INET: - { - sockaddr_in* sin = (sockaddr_in*)this->ip; - inet_ntop(sin->sin_family, &sin->sin_addr, buf, sizeof(buf)); - return buf; - } - break; - - default: - log(DEBUG,"Ut oh, '%s' has an unknown protocol family!",this->nick); - break; - } - return ""; -} - - -void userrec::Write(const std::string &text) -{ - if ((this->fd < 0) || (this->fd > MAX_DESCRIPTORS)) + ServerInstance->Logs->Log("USEROUTPUT", DEBUG,"Exception in User::Write() std::string::append"); return; + } - std::string crlf = text; - crlf.append("\r\n"); - - if (ServerInstance->Config->GetIOHook(this->GetPort())) + if (this->io) { + /* XXX: The lack of buffering here is NOT a bug, modules implementing this interface have to + * implement their own buffering mechanisms + */ try { - ServerInstance->Config->GetIOHook(this->GetPort())->OnRawSocketWrite(this->fd, crlf.data(), crlf.length()); + this->io->OnRawSocketWrite(this->fd, text.data(), text.length()); } - catch (ModuleException& modexcept) + catch (CoreException& modexcept) { - log(DEBUG,"Module exception caught: %s",modexcept.GetReason()); + ServerInstance->Logs->Log("USEROUTPUT", DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason()); } } else { - this->AddWriteBuf(crlf); + this->AddWriteBuf(text); } - ServerInstance->stats->statsSent += crlf.length(); + ServerInstance->stats->statsSent += text.length(); + this->ServerInstance->SE->WantWrite(this); } /** Write() */ -void userrec::Write(const char *text, ...) +void User::Write(const char *text, ...) { va_list argsPtr; char textbuffer[MAXBUF]; @@ -1311,7 +1202,7 @@ void userrec::Write(const char *text, ...) this->Write(std::string(textbuffer)); } -void userrec::WriteServ(const std::string& text) +void User::WriteServ(const std::string& text) { char textbuffer[MAXBUF]; @@ -1322,7 +1213,7 @@ void userrec::WriteServ(const std::string& text) /** WriteServ() * Same as Write(), except `text' is prefixed with `:server.name '. */ -void userrec::WriteServ(const char* text, ...) +void User::WriteServ(const char* text, ...) { va_list argsPtr; char textbuffer[MAXBUF]; @@ -1335,19 +1226,45 @@ void userrec::WriteServ(const char* text, ...) } -void userrec::WriteFrom(userrec *user, const std::string &text) +void User::WriteNumeric(unsigned int numeric, const char* text, ...) +{ + va_list argsPtr; + char textbuffer[MAXBUF]; + + va_start(argsPtr, text); + vsnprintf(textbuffer, MAXBUF, text, argsPtr); + va_end(argsPtr); + + this->WriteNumeric(numeric, std::string(textbuffer)); +} + +void User::WriteNumeric(unsigned int numeric, const std::string &text) +{ + char textbuffer[MAXBUF]; + int MOD_RESULT = 0; + + FOREACH_RESULT(I_OnNumeric, OnNumeric(this, numeric, text)); + + if (MOD_RESULT) + return; + + snprintf(textbuffer,MAXBUF,":%s %03u %s",ServerInstance->Config->ServerName, numeric, text.c_str()); + this->Write(std::string(textbuffer)); +} + +void User::WriteFrom(User *user, const std::string &text) { char tb[MAXBUF]; snprintf(tb,MAXBUF,":%s %s",user->GetFullHost(),text.c_str()); - + this->Write(std::string(tb)); } /* write text from an originating user to originating user */ -void userrec::WriteFrom(userrec *user, const char* text, ...) +void User::WriteFrom(User *user, const char* text, ...) { va_list argsPtr; char textbuffer[MAXBUF]; @@ -1362,7 +1279,7 @@ void userrec::WriteFrom(userrec *user, const char* text, ...) /* write text to an destination user from a source user (e.g. user privmsg) */ -void userrec::WriteTo(userrec *dest, const char *data, ...) +void User::WriteTo(User *dest, const char *data, ...) { char textbuffer[MAXBUF]; va_list argsPtr; @@ -1374,13 +1291,13 @@ void userrec::WriteTo(userrec *dest, const char *data, ...) this->WriteTo(dest, std::string(textbuffer)); } -void userrec::WriteTo(userrec *dest, const std::string &data) +void User::WriteTo(User *dest, const std::string &data) { dest->WriteFrom(this, data); } -void userrec::WriteCommon(const char* text, ...) +void User::WriteCommon(const char* text, ...) { char textbuffer[MAXBUF]; va_list argsPtr; @@ -1395,30 +1312,30 @@ void userrec::WriteCommon(const char* text, ...) this->WriteCommon(std::string(textbuffer)); } -void userrec::WriteCommon(const std::string &text) +void User::WriteCommon(const std::string &text) { bool sent_to_at_least_one = false; + char tb[MAXBUF]; if (this->registered != REG_ALL) return; uniq_id++; - for (std::vector::const_iterator v = this->chans.begin(); v != this->chans.end(); v++) + /* We dont want to be doing this n times, just once */ + snprintf(tb,MAXBUF,":%s %s",this->GetFullHost(),text.c_str()); + std::string out = tb; + + for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++) { - ucrec *n = *v; - if (n->channel) + CUList* ulist = v->first->GetUsers(); + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) { - CUList *ulist= n->channel->GetUsers(); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id)) { - if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id)) - { - already_sent[i->second->fd] = uniq_id; - i->second->WriteFrom(this, std::string(text)); - sent_to_at_least_one = true; - } + already_sent[i->first->fd] = uniq_id; + i->first->Write(out); + sent_to_at_least_one = true; } } } @@ -1429,7 +1346,7 @@ void userrec::WriteCommon(const std::string &text) */ if (!sent_to_at_least_one) { - this->WriteFrom(this,std::string(text)); + this->Write(std::string(tb)); } } @@ -1438,7 +1355,7 @@ void userrec::WriteCommon(const std::string &text) * channel, NOT including the source user e.g. for use in QUIT */ -void userrec::WriteCommonExcept(const char* text, ...) +void User::WriteCommonExcept(const char* text, ...) { char textbuffer[MAXBUF]; va_list argsPtr; @@ -1450,76 +1367,60 @@ void userrec::WriteCommonExcept(const char* text, ...) this->WriteCommonExcept(std::string(textbuffer)); } -void userrec::WriteCommonExcept(const std::string &text) +void User::WriteCommonQuit(const std::string &normal_text, const std::string &oper_text) { - bool quit_munge = true; - char oper_quit[MAXBUF]; - char textbuffer[MAXBUF]; - - strlcpy(textbuffer, text.c_str(), MAXBUF); + char tb1[MAXBUF]; + char tb2[MAXBUF]; if (this->registered != REG_ALL) return; uniq_id++; + snprintf(tb1,MAXBUF,":%s QUIT :%s",this->GetFullHost(),normal_text.c_str()); + snprintf(tb2,MAXBUF,":%s QUIT :%s",this->GetFullHost(),oper_text.c_str()); + std::string out1 = tb1; + std::string out2 = tb2; - /* TODO: We need some form of WriteCommonExcept that will send two lines, one line to - * opers and the other line to non-opers, then all this hidebans and hidesplits gunk - * can go byebye. - */ - if (ServerInstance->Config->HideSplits) + for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++) { - char* check = textbuffer + 6; - - if (!strncasecmp(textbuffer, "QUIT :",6)) + CUList *ulist = v->first->GetUsers(); + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) { - std::stringstream split(check); - std::string server_one; - std::string server_two; - - split >> server_one; - split >> server_two; - - if ((ServerInstance->FindServerName(server_one)) && (ServerInstance->FindServerName(server_two))) + if (this != i->first) { - strlcpy(oper_quit,textbuffer,MAXQUIT); - strlcpy(check,"*.net *.split",MAXQUIT); - quit_munge = true; + if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id)) + { + already_sent[i->first->fd] = uniq_id; + i->first->Write(IS_OPER(i->first) ? out2 : out1); + } } } } +} - if ((ServerInstance->Config->HideBans) && (!quit_munge)) - { - if ((!strncasecmp(textbuffer, "QUIT :G-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :K-Lined:",14)) - || (!strncasecmp(textbuffer, "QUIT :Q-Lined:",14)) || (!strncasecmp(textbuffer, "QUIT :Z-Lined:",14))) - { - char* check = textbuffer + 13; - strlcpy(oper_quit,textbuffer,MAXQUIT); - *check = 0; // We don't need to strlcpy, we just chop it from the : - quit_munge = true; - } - } +void User::WriteCommonExcept(const std::string &text) +{ + char tb1[MAXBUF]; + std::string out1; - for (std::vector::const_iterator v = this->chans.begin(); v != this->chans.end(); v++) + if (this->registered != REG_ALL) + return; + + uniq_id++; + snprintf(tb1,MAXBUF,":%s %s",this->GetFullHost(),text.c_str()); + out1 = tb1; + + for (UCListIter v = this->chans.begin(); v != this->chans.end(); v++) { - ucrec* n = *v; - if (n->channel) + CUList *ulist = v->first->GetUsers(); + for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) { - CUList *ulist= n->channel->GetUsers(); - - for (CUList::iterator i = ulist->begin(); i != ulist->end(); i++) + if (this != i->first) { - if (this != i->second) + if ((IS_LOCAL(i->first)) && (already_sent[i->first->fd] != uniq_id)) { - if ((IS_LOCAL(i->second)) && (already_sent[i->second->fd] != uniq_id)) - { - already_sent[i->second->fd] = uniq_id; - if (quit_munge) - i->second->WriteFrom(this, *i->second->oper ? std::string(oper_quit) : std::string(textbuffer)); - else - i->second->WriteFrom(this, std::string(textbuffer)); - } + already_sent[i->first->fd] = uniq_id; + i->first->Write(out1); } } } @@ -1527,34 +1428,33 @@ void userrec::WriteCommonExcept(const std::string &text) } -void userrec::WriteWallOps(const std::string &text) +void User::WriteWallOps(const std::string &text) { - /* Does nothing if theyre not opered */ - if ((!*this->oper) && (IS_LOCAL(this))) + if (!IS_OPER(this) && IS_LOCAL(this)) return; - std::string wallop = "WALLOPS :"; + std::string wallop("WALLOPS :"); wallop.append(text); - for (std::vector::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++) + for (std::vector::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++) { - userrec* t = *i; - if ((IS_LOCAL(t)) && (t->modes[UM_WALLOPS])) + User* t = *i; + if (t->IsModeSet('w')) this->WriteTo(t,wallop); } } -void userrec::WriteWallOps(const char* text, ...) -{ +void User::WriteWallOps(const char* text, ...) +{ char textbuffer[MAXBUF]; va_list argsPtr; va_start(argsPtr, text); vsnprintf(textbuffer, MAXBUF, text, argsPtr); - va_end(argsPtr); - + va_end(argsPtr); + this->WriteWallOps(std::string(textbuffer)); -} +} /* return 0 or 1 depending if users u and u2 share one or more common channels * (used by QUIT, NICK etc which arent channel specific notices) @@ -1563,45 +1463,33 @@ void userrec::WriteWallOps(const char* text, ...) * the first users channels then the second users channels within the outer loop, * therefore it was a maximum of x*y iterations (upon returning 0 and checking * all possible iterations). However this new function instead checks against the - * channel's userlist in the inner loop which is a std::map + * channel's userlist in the inner loop which is a std::map * and saves us time as we already know what pointer value we are after. * Don't quote me on the maths as i am not a mathematician or computer scientist, * but i believe this algorithm is now x+(log y) maximum iterations instead. */ -bool userrec::SharesChannelWith(userrec *other) +bool User::SharesChannelWith(User *other) { if ((!other) || (this->registered != REG_ALL) || (other->registered != REG_ALL)) return false; /* Outer loop */ - for (std::vector::const_iterator i = this->chans.begin(); i != this->chans.end(); i++) + for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) { - /* Fetch the channel from the user */ - ucrec* user_channel = *i; - - if (user_channel->channel) - { - /* Eliminate the inner loop (which used to be ~equal in size to the outer loop) - * by replacing it with a map::find which *should* be more efficient - */ - if (user_channel->channel->HasUser(other)) - return true; - } + /* Eliminate the inner loop (which used to be ~equal in size to the outer loop) + * by replacing it with a map::find which *should* be more efficient + */ + if (i->first->HasUser(other)) + return true; } return false; } -int userrec::CountChannels() +bool User::ChangeName(const char* gecos) { - int z = 0; - for (std::vector::const_iterator i = this->chans.begin(); i != this->chans.end(); i++) - if ((*i)->channel) - z++; - return z; -} + if (!strcmp(gecos, this->fullname)) + return true; -bool userrec::ChangeName(const char* gecos) -{ if (IS_LOCAL(this)) { int MOD_RESULT = 0; @@ -1611,28 +1499,76 @@ bool userrec::ChangeName(const char* gecos) FOREACH_MOD(I_OnChangeName,OnChangeName(this,gecos)); } strlcpy(this->fullname,gecos,MAXGECOS+1); + return true; } -bool userrec::ChangeDisplayedHost(const char* host) +bool User::ChangeDisplayedHost(const char* shost) { + if (!strcmp(shost, this->dhost)) + return true; + if (IS_LOCAL(this)) { int MOD_RESULT = 0; - FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,host)); + FOREACH_RESULT(I_OnChangeLocalUserHost,OnChangeLocalUserHost(this,shost)); if (MOD_RESULT) return false; - FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,host)); + FOREACH_MOD(I_OnChangeHost,OnChangeHost(this,shost)); + } + + if (this->ServerInstance->Config->CycleHosts) + this->WriteCommonExcept("QUIT :Changing hosts"); + + /* Fix by Om: User::dhost is 65 long, this was truncating some long hosts */ + strlcpy(this->dhost,shost,64); + + this->InvalidateCache(); + + if (this->ServerInstance->Config->CycleHosts) + { + for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) + { + i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name); + std::string n = this->ServerInstance->Modes->ModeString(this, i->first); + if (n.length() > 0) + i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str()); + } } - strlcpy(this->dhost,host,63); if (IS_LOCAL(this)) - this->WriteServ("396 %s %s :is now your hidden host",this->nick,this->dhost); + this->WriteNumeric(396, "%s %s :is now your displayed host",this->nick,this->dhost); return true; } -void userrec::NoticeAll(char* text, ...) +bool User::ChangeIdent(const char* newident) +{ + if (!strcmp(newident, this->ident)) + return true; + + if (this->ServerInstance->Config->CycleHosts) + this->WriteCommonExcept("%s","QUIT :Changing ident"); + + strlcpy(this->ident, newident, IDENTMAX+1); + + this->InvalidateCache(); + + if (this->ServerInstance->Config->CycleHosts) + { + for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) + { + i->first->WriteAllExceptSender(this, false, 0, "JOIN %s", i->first->name); + std::string n = this->ServerInstance->Modes->ModeString(this, i->first); + if (n.length() > 0) + i->first->WriteAllExceptSender(this, true, 0, "MODE %s +%s", i->first->name, n.c_str()); + } + } + + return true; +} + +void User::SendAll(const char* command, const char* text, ...) { char textbuffer[MAXBUF]; char formatbuffer[MAXBUF]; @@ -1642,12 +1578,305 @@ void userrec::NoticeAll(char* text, ...) vsnprintf(textbuffer, MAXBUF, text, argsPtr); va_end(argsPtr); - snprintf(formatbuffer,MAXBUF,"NOTICE $* :%s",textbuffer); + snprintf(formatbuffer,MAXBUF,":%s %s $* :%s", this->GetFullHost(), command, textbuffer); + std::string fmt = formatbuffer; + + for (std::vector::const_iterator i = ServerInstance->Users->local_users.begin(); i != ServerInstance->Users->local_users.end(); i++) + { + (*i)->Write(fmt); + } +} + + +std::string User::ChannelList(User* source) +{ + std::string list; + + for (UCListIter i = this->chans.begin(); i != this->chans.end(); i++) + { + /* If the target is the same as the sender, let them see all their channels. + * If the channel is NOT private/secret OR the user shares a common channel + * If the user is an oper, and the option is set. + */ + if ((source == this) || (IS_OPER(source) && ServerInstance->Config->OperSpyWhois) || (((!i->first->IsModeSet('p')) && (!i->first->IsModeSet('s'))) || (i->first->HasUser(source)))) + { + list.append(i->first->GetPrefixChar(this)).append(i->first->name).append(" "); + } + } + + return list; +} + +void User::SplitChanList(User* dest, const std::string &cl) +{ + std::string line; + std::ostringstream prefix; + std::string::size_type start, pos, length; + + prefix << this->nick << " " << dest->nick << " :"; + line = prefix.str(); + int namelen = strlen(ServerInstance->Config->ServerName) + 6; + + for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1) + { + length = (pos == std::string::npos) ? cl.length() : pos; + + if (line.length() + namelen + length - start > 510) + { + ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str()); + line = prefix.str(); + } + + if(pos == std::string::npos) + { + line.append(cl.substr(start, length - start)); + break; + } + else + { + line.append(cl.substr(start, length - start + 1)); + } + } + + if (line.length()) + { + ServerInstance->SendWhoisLine(this, dest, 319, "%s", line.c_str()); + } +} + +unsigned int User::GetMaxChans() +{ + return this->MaxChans; +} + + +/* + * Sets a user's connection class. + * If the class name is provided, it will be used. Otherwise, the class will be guessed using host/ip/ident/etc. + * NOTE: If the or tag specifies an ip, and this user resolves, + * then their ip will be taken as 'priority' anyway, so for example, + * will match joe!bloggs@localhost + */ +ConnectClass* User::SetClass(const std::string &explicit_name) +{ + ConnectClass *found = NULL; + + if (!IS_LOCAL(this)) + return NULL; + + if (!explicit_name.empty()) + { + for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++) + { + ConnectClass* c = *i; - for (std::vector::const_iterator i = ServerInstance->local_users.begin(); i != ServerInstance->local_users.end(); i++) + if (explicit_name == c->GetName() && !c->GetDisabled()) + { + found = c; + } + } + } + else { - userrec* t = *i; - t->WriteFrom(this, std::string(formatbuffer)); + for (ClassVector::iterator i = ServerInstance->Config->Classes.begin(); i != ServerInstance->Config->Classes.end(); i++) + { + ConnectClass* c = *i; + + if (((match(this->GetIPString(),c->GetHost().c_str(),true)) || (match(this->host,c->GetHost().c_str())))) + { + if (c->GetPort()) + { + if (this->GetPort() == c->GetPort() && !c->GetDisabled()) + { + found = c; + } + else + continue; + } + else + { + if (!c->GetDisabled()) + found = c; + } + } + } } + + /* ensure we don't fuck things up refcount wise, only remove them from a class if we find a new one :P */ + if (found) + { + /* deny change if change will take class over the limit */ + if (found->limit && (found->RefCount + 1 >= found->limit)) + { + ServerInstance->Logs->Log("USERS", DEBUG, "OOPS: Connect class limit (%lu) hit, denying", found->limit); + return this->MyClass; + } + + /* should always be valid, but just in case .. */ + if (this->MyClass) + { + if (found == this->MyClass) // no point changing this shit :P + return this->MyClass; + this->MyClass->RefCount--; + ServerInstance->Logs->Log("USERS", DEBUG, "Untying user from connect class -- refcount: %lu", this->MyClass->RefCount); + } + + this->MyClass = found; + this->MyClass->RefCount++; + ServerInstance->Logs->Log("USERS", DEBUG, "User tied to new class -- connect refcount now: %lu", this->MyClass->RefCount); + } + + return this->MyClass; +} + +/* looks up a users password for their connection class (/ tags) + * NOTE: If the or tag specifies an ip, and this user resolves, + * then their ip will be taken as 'priority' anyway, so for example, + * will match joe!bloggs@localhost + */ +ConnectClass* User::GetClass() +{ + return this->MyClass; +} + +void User::PurgeEmptyChannels() +{ + std::vector to_delete; + + // firstly decrement the count on each channel + for (UCListIter f = this->chans.begin(); f != this->chans.end(); f++) + { + f->first->RemoveAllPrefixes(this); + if (f->first->DelUser(this) == 0) + { + /* No users left in here, mark it for deletion */ + try + { + to_delete.push_back(f->first); + } + catch (...) + { + ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::PurgeEmptyChannels to_delete.push_back()"); + } + } + } + + for (std::vector::iterator n = to_delete.begin(); n != to_delete.end(); n++) + { + Channel* thischan = *n; + chan_hash::iterator i2 = ServerInstance->chanlist->find(thischan->name); + if (i2 != ServerInstance->chanlist->end()) + { + FOREACH_MOD(I_OnChannelDelete,OnChannelDelete(i2->second)); + delete i2->second; + ServerInstance->chanlist->erase(i2); + this->chans.erase(*n); + } + } + + this->UnOper(); +} + +void User::ShowMOTD() +{ + if (!ServerInstance->Config->MOTD.size()) + { + this->WriteNumeric(422, "%s :Message of the day file is missing.",this->nick); + return; + } + this->WriteNumeric(375, "%s :%s message of the day", this->nick, ServerInstance->Config->ServerName); + + for (file_cache::iterator i = ServerInstance->Config->MOTD.begin(); i != ServerInstance->Config->MOTD.end(); i++) + this->WriteNumeric(372, "%s :- %s",this->nick,i->c_str()); + + this->WriteNumeric(376, "%s :End of message of the day.", this->nick); +} + +void User::ShowRULES() +{ + if (!ServerInstance->Config->RULES.size()) + { + this->WriteNumeric(434, "%s :RULES File is missing",this->nick); + return; + } + + this->WriteNumeric(308, "%s :- %s Server Rules -",this->nick,ServerInstance->Config->ServerName); + + for (file_cache::iterator i = ServerInstance->Config->RULES.begin(); i != ServerInstance->Config->RULES.end(); i++) + this->WriteNumeric(232, "%s :- %s",this->nick,i->c_str()); + + this->WriteNumeric(309, "%s :End of RULES command.",this->nick); +} + +void User::HandleEvent(EventType et, int errornum) +{ + if (this->quitting) // drop everything, user is due to be quit + return; + + /* WARNING: May delete this user! */ + int thisfd = this->GetFd(); + + try + { + switch (et) + { + case EVENT_READ: + ServerInstance->ProcessUser(this); + break; + case EVENT_WRITE: + this->FlushWriteBuf(); + break; + case EVENT_ERROR: + /** This should be safe, but dont DARE do anything after it -- Brain */ + this->SetWriteError(errornum ? strerror(errornum) : "EOF from client"); + break; + } + } + catch (...) + { + ServerInstance->Logs->Log("USERS", DEBUG,"Exception in User::HandleEvent intercepted"); + } + + /* If the user has raised an error whilst being processed, quit them now we're safe to */ + if ((ServerInstance->SE->GetRef(thisfd) == this)) + { + if (!WriteError.empty()) + { + User::QuitUser(ServerInstance, this, GetWriteError()); + } + } +} + +void User::SetOperQuit(const std::string &oquit) +{ + operquitmsg = oquit; +} + +const char* User::GetOperQuit() +{ + return operquitmsg.c_str(); +} + +void User::IncreasePenalty(int increase) +{ + this->Penalty += increase; +} + +void User::DecreasePenalty(int decrease) +{ + this->Penalty -= decrease; +} + +VisData::VisData() +{ +} + +VisData::~VisData() +{ +} + +bool VisData::VisibleTo(User* user) +{ + return true; }