* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2008 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
* ---------------------------------------------------
*/
-/* $Core: libIRCDusermanager */
+/* $Core */
#include "inspircd.h"
+#include "xline.h"
+#include "bancache.h"
+
+/* add a client connection to the sockets list */
+void UserManager::AddUser(int socket, ClientListenSocket* via, irc::sockets::sockaddrs* client, irc::sockets::sockaddrs* server)
+{
+ /* NOTE: Calling this one parameter constructor for User automatically
+ * allocates a new UUID and places it in the hash_map.
+ */
+ User* New = NULL;
+ try
+ {
+ New = new User();
+ }
+ catch (...)
+ {
+ ServerInstance->Logs->Log("USERS", DEFAULT,"*** WTF *** Duplicated UUID! -- Crack smoking monkies have been unleashed.");
+ ServerInstance->SNO->WriteToSnoMask('a', "WARNING *** Duplicate UUID allocated!");
+ return;
+ }
+
+ New->SetFd(socket);
+ memcpy(&New->client_sa, client, sizeof(irc::sockets::sockaddrs));
+ memcpy(&New->server_sa, server, sizeof(irc::sockets::sockaddrs));
+
+ /* Give each of the modules an attempt to hook the user for I/O */
+ FOREACH_MOD(I_OnHookIO, OnHookIO(New, via));
+
+ if (New->GetIOHook())
+ {
+ try
+ {
+ New->GetIOHook()->OnStreamSocketAccept(New, client, server);
+ }
+ catch (CoreException& modexcept)
+ {
+ ServerInstance->Logs->Log("SOCKET", DEBUG,"%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ }
+ }
+
+ ServerInstance->Logs->Log("USERS", DEBUG,"New user fd: %d", socket);
+
+ this->unregistered_count++;
+
+ (*(this->clientlist))[New->uuid] = New;
+
+ /* The users default nick is their UUID */
+ New->nick.assign(New->uuid, 0, ServerInstance->Config->Limits.NickMax);
+
+ New->server = ServerInstance->FindServerNamePtr(ServerInstance->Config->ServerName);
+ New->ident.assign("unknown");
+
+ New->registered = REG_NONE;
+ New->signon = ServerInstance->Time() + ServerInstance->Config->dns_timeout;
+ New->lastping = 1;
+
+ /* Smarter than your average bear^H^H^H^Hset of strlcpys. */
+ New->dhost.assign(New->GetIPString(), 0, 64);
+ New->host.assign(New->GetIPString(), 0, 64);
+
+ ServerInstance->Users->AddLocalClone(New);
+ ServerInstance->Users->AddGlobalClone(New);
+
+ /*
+ * First class check. We do this again in FullConnect after DNS is done, and NICK/USER is recieved.
+ * See my note down there for why this is required. DO NOT REMOVE. :) -- w00t
+ */
+ ConnectClass* i = New->SetClass();
+
+ if (!i)
+ {
+ this->QuitUser(New, "Access denied by configuration");
+ return;
+ }
+
+ /*
+ * Check connect class settings and initialise settings into User.
+ * This will be done again after DNS resolution. -- w00t
+ */
+ New->CheckClass();
+
+ this->local_users.push_back(New);
+
+ if ((this->local_users.size() > ServerInstance->Config->SoftLimit) || (this->local_users.size() >= (unsigned int)ServerInstance->SE->GetMaxFds()))
+ {
+ ServerInstance->SNO->WriteToSnoMask('a', "Warning: softlimit value has been reached: %d clients", ServerInstance->Config->SoftLimit);
+ this->QuitUser(New,"No more connections allowed");
+ return;
+ }
+
+ /*
+ * even with bancache, we still have to keep User::exempt current.
+ * besides that, if we get a positive bancache hit, we still won't fuck
+ * them over if they are exempt. -- w00t
+ */
+ New->exempt = (ServerInstance->XLines->MatchesLine("E",New) != NULL);
+
+ if (BanCacheHit *b = ServerInstance->BanCache->GetHit(New->GetIPString()))
+ {
+ if (!b->Type.empty() && !New->exempt)
+ {
+ /* user banned */
+ ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Positive hit for ") + New->GetIPString());
+ if (*ServerInstance->Config->MoronBanner)
+ New->WriteServ("NOTICE %s :*** %s", New->nick.c_str(), ServerInstance->Config->MoronBanner);
+ this->QuitUser(New, b->Reason);
+ return;
+ }
+ else
+ {
+ ServerInstance->Logs->Log("BANCACHE", DEBUG, std::string("BanCache: Negative hit for ") + New->GetIPString());
+ }
+ }
+ else
+ {
+ if (!New->exempt)
+ {
+ XLine* r = ServerInstance->XLines->MatchesLine("Z",New);
+
+ if (r)
+ {
+ r->Apply(New);
+ return;
+ }
+ }
+ }
+
+ if (!ServerInstance->SE->AddFd(New, FD_WANT_FAST_READ | FD_WANT_EDGE_WRITE))
+ {
+ ServerInstance->Logs->Log("USERS", DEBUG,"Internal error on new connection");
+ this->QuitUser(New, "Internal error handling connection");
+ }
+
+ /* NOTE: even if dns lookups are *off*, we still need to display this.
+ * BOPM and other stuff requires it.
+ */
+ New->WriteServ("NOTICE Auth :*** Looking up your hostname...");
+
+ if (ServerInstance->Config->NoUserDns)
+ {
+ New->WriteServ("NOTICE %s :*** Skipping host resolution (disabled by server administrator)", New->nick.c_str());
+ New->dns_done = true;
+ }
+ else
+ {
+ New->StartDNSLookup();
+ }
+}
+
+void UserManager::QuitUser(User *user, const std::string &quitreason, const char* operreason)
+{
+ if (user->quitting)
+ {
+ ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a user (%s) twice. Did your module call QuitUser twice?", user->nick.c_str());
+ return;
+ }
+
+ if (IS_FAKE(user))
+ {
+ ServerInstance->Logs->Log("CULLLIST",DEBUG, "*** Warning *** - You tried to quit a fake user (%s)", user->nick.c_str());
+ return;
+ }
+
+ user->quitting = true;
+
+ ServerInstance->Logs->Log("USERS", DEBUG, "QuitUser: %s=%s '%s'", user->uuid.c_str(), user->nick.c_str(), quitreason.c_str());
+ user->Write("ERROR :Closing link: (%s@%s) [%s]", user->ident.c_str(), user->host.c_str(), *operreason ? operreason : quitreason.c_str());
+
+ std::string reason;
+ std::string oper_reason;
+ reason.assign(quitreason, 0, ServerInstance->Config->Limits.MaxQuit);
+ if (operreason && *operreason)
+ oper_reason.assign(operreason, 0, ServerInstance->Config->Limits.MaxQuit);
+ else
+ oper_reason = quitreason;
+
+ ServerInstance->GlobalCulls.AddItem(user);
+
+ if (user->registered == REG_ALL)
+ {
+ FOREACH_MOD(I_OnUserQuit,OnUserQuit(user, reason, oper_reason));
+ user->PurgeEmptyChannels();
+ user->WriteCommonQuit(reason, oper_reason);
+ }
+
+ FOREACH_MOD(I_OnUserDisconnect,OnUserDisconnect(user));
+
+ if (user->registered != REG_ALL)
+ if (ServerInstance->Users->unregistered_count)
+ ServerInstance->Users->unregistered_count--;
+
+ if (IS_LOCAL(user))
+ {
+ user->DoWrite();
+ if (user->GetIOHook())
+ {
+ try
+ {
+ user->GetIOHook()->OnStreamSocketClose(user);
+ }
+ catch (CoreException& modexcept)
+ {
+ ServerInstance->Logs->Log("USERS",DEBUG, "%s threw an exception: %s", modexcept.GetSource(), modexcept.GetReason());
+ }
+ }
+
+ ServerInstance->SE->DelFd(user);
+ user->Close();
+ // user->Close() will set fd to -1; this breaks IS_LOCAL. Fix
+ user->SetFd(INT_MAX);
+ }
+
+ /*
+ * this must come before the ServerInstance->SNO->WriteToSnoMaskso that it doesnt try to fill their buffer with anything
+ * if they were an oper with +sn +qQ.
+ */
+ if (user->registered == REG_ALL)
+ {
+ if (IS_LOCAL(user))
+ {
+ if (!user->quietquit)
+ {
+ ServerInstance->SNO->WriteToSnoMask('q',"Client exiting: %s!%s@%s [%s]",
+ user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str());
+ }
+ }
+ else
+ {
+ if ((!ServerInstance->SilentULine(user->server)) && (!user->quietquit))
+ {
+ ServerInstance->SNO->WriteToSnoMask('Q',"Client exiting on server %s: %s!%s@%s [%s]",
+ user->server, user->nick.c_str(), user->ident.c_str(), user->host.c_str(), oper_reason.c_str());
+ }
+ }
+ user->AddToWhoWas();
+ }
+
+ user_hash::iterator iter = this->clientlist->find(user->nick);
+
+ if (iter != this->clientlist->end())
+ this->clientlist->erase(iter);
+ else
+ ServerInstance->Logs->Log("USERS", DEBUG, "iter == clientlist->end, can't remove them from hash... problematic..");
+}
+
void UserManager::AddLocalClone(User *user)
{
- clonemap::iterator x = local_clones.find(user->GetIPString());
+ int range = 32;
+ clonemap::iterator x;
+ switch (user->client_sa.sa.sa_family)
+ {
+ case AF_INET6:
+ range = ServerInstance->Config->c_ipv6_range;
+ break;
+ case AF_INET:
+ range = ServerInstance->Config->c_ipv4_range;
+ break;
+ }
+
+ x = local_clones.find(user->GetCIDRMask(range));
if (x != local_clones.end())
x->second++;
else
- local_clones[user->GetIPString()] = 1;
+ local_clones[user->GetCIDRMask(range)] = 1;
}
void UserManager::AddGlobalClone(User *user)
{
- clonemap::iterator y = global_clones.find(user->GetIPString());
- if (y != global_clones.end())
- y->second++;
+ int range = 32;
+ clonemap::iterator x;
+ switch (user->client_sa.sa.sa_family)
+ {
+ case AF_INET6:
+ range = ServerInstance->Config->c_ipv6_range;
+ break;
+ case AF_INET:
+ range = ServerInstance->Config->c_ipv4_range;
+ break;
+ }
+
+ x = global_clones.find(user->GetCIDRMask(range));
+ if (x != global_clones.end())
+ x->second++;
else
- global_clones[user->GetIPString()] = 1;
+ global_clones[user->GetCIDRMask(range)] = 1;
}
void UserManager::RemoveCloneCounts(User *user)
{
- clonemap::iterator x = local_clones.find(user->GetIPString());
+ int range = 32;
+ switch (user->client_sa.sa.sa_family)
+ {
+ case AF_INET6:
+ range = ServerInstance->Config->c_ipv6_range;
+ break;
+ case AF_INET:
+ range = ServerInstance->Config->c_ipv4_range;
+ break;
+ }
+
+ clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
if (x != local_clones.end())
{
x->second--;
local_clones.erase(x);
}
}
-
- clonemap::iterator y = global_clones.find(user->GetIPString());
+
+ clonemap::iterator y = global_clones.find(user->GetCIDRMask(range));
if (y != global_clones.end())
{
y->second--;
unsigned long UserManager::GlobalCloneCount(User *user)
{
- clonemap::iterator x = global_clones.find(user->GetIPString());
+ int range = 32;
+ switch (user->client_sa.sa.sa_family)
+ {
+ case AF_INET6:
+ range = ServerInstance->Config->c_ipv6_range;
+ break;
+ case AF_INET:
+ range = ServerInstance->Config->c_ipv4_range;
+ break;
+ }
+ clonemap::iterator x = global_clones.find(user->GetCIDRMask(range));
if (x != global_clones.end())
return x->second;
else
unsigned long UserManager::LocalCloneCount(User *user)
{
- clonemap::iterator x = local_clones.find(user->GetIPString());
+ int range = 32;
+ switch (user->client_sa.sa.sa_family)
+ {
+ case AF_INET6:
+ range = ServerInstance->Config->c_ipv6_range;
+ break;
+ case AF_INET:
+ range = ServerInstance->Config->c_ipv4_range;
+ break;
+ }
+ clonemap::iterator x = local_clones.find(user->GetCIDRMask(range));
if (x != local_clones.end())
return x->second;
else
return 0;
}
+
+/* this function counts all users connected, wether they are registered or NOT. */
+unsigned int UserManager::UserCount()
+{
+ /*
+ * XXX: Todo:
+ * As part of this restructuring, move clientlist/etc fields into usermanager.
+ * -- w00t
+ */
+ return this->clientlist->size();
+}
+
+/* this counts only registered users, so that the percentages in /MAP don't mess up */
+unsigned int UserManager::RegisteredUserCount()
+{
+ return this->clientlist->size() - this->UnregisteredUserCount();
+}
+
+/* return how many users are opered */
+unsigned int UserManager::OperCount()
+{
+ return this->all_opers.size();
+}
+
+/* return how many users are unregistered */
+unsigned int UserManager::UnregisteredUserCount()
+{
+ return this->unregistered_count;
+}
+
+/* return how many local registered users there are */
+unsigned int UserManager::LocalUserCount()
+{
+ /* Doesnt count unregistered clients */
+ return (this->local_users.size() - this->UnregisteredUserCount());
+}
+
+void UserManager::ServerNoticeAll(const char* text, ...)
+{
+ if (!text)
+ return;
+
+ char textbuffer[MAXBUF];
+ char formatbuffer[MAXBUF];
+ va_list argsPtr;
+ va_start (argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ snprintf(formatbuffer,MAXBUF,"NOTICE $%s :%s", ServerInstance->Config->ServerName, textbuffer);
+
+ for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ {
+ User* t = *i;
+ t->WriteServ(std::string(formatbuffer));
+ }
+}
+
+void UserManager::ServerPrivmsgAll(const char* text, ...)
+{
+ if (!text)
+ return;
+
+ char textbuffer[MAXBUF];
+ char formatbuffer[MAXBUF];
+ va_list argsPtr;
+ va_start (argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+
+ snprintf(formatbuffer,MAXBUF,"PRIVMSG $%s :%s", ServerInstance->Config->ServerName, textbuffer);
+
+ for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ {
+ User* t = *i;
+ t->WriteServ(std::string(formatbuffer));
+ }
+}
+
+void UserManager::WriteMode(const char* modes, int flags, const char* text, ...)
+{
+ char textbuffer[MAXBUF];
+ int modelen;
+ va_list argsPtr;
+
+ if (!text || !modes || !flags)
+ {
+ ServerInstance->Logs->Log("USERS", DEFAULT,"*** BUG *** WriteMode was given an invalid parameter");
+ return;
+ }
+
+ va_start(argsPtr, text);
+ vsnprintf(textbuffer, MAXBUF, text, argsPtr);
+ va_end(argsPtr);
+ modelen = strlen(modes);
+
+ if (flags == WM_AND)
+ {
+ for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ {
+ User* t = *i;
+ bool send_to_user = true;
+
+ for (int n = 0; n < modelen; n++)
+ {
+ if (!t->IsModeSet(modes[n]))
+ {
+ send_to_user = false;
+ break;
+ }
+ }
+ if (send_to_user)
+ {
+ t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
+ }
+ }
+ }
+ else if (flags == WM_OR)
+ {
+ for (std::vector<User*>::const_iterator i = local_users.begin(); i != local_users.end(); i++)
+ {
+ User* t = *i;
+ bool send_to_user = false;
+
+ for (int n = 0; n < modelen; n++)
+ {
+ if (t->IsModeSet(modes[n]))
+ {
+ send_to_user = true;
+ break;
+ }
+ }
+
+ if (send_to_user)
+ {
+ t->WriteServ("NOTICE %s :%s", t->nick.c_str(), textbuffer);
+ }
+ }
+ }
+}
+
+/* return how many users have a given mode e.g. 'a' */
+int UserManager::ModeCount(const char mode)
+{
+ ModeHandler* mh = ServerInstance->Modes->FindMode(mode, MODETYPE_USER);
+
+ if (mh)
+ return mh->GetCount();
+ else
+ return 0;
+}
projects / user / henk / code / inspircd.git / blobdiff