mirror of git://git.acid.vegas/anope.git
847 lines
20 KiB
C++
847 lines
20 KiB
C++
/* Routines to maintain a list of online users.
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*
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* (C) 2003-2022 Anope Team
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* Contact us at team@anope.org
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*
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* Please read COPYING and README for further details.
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*
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* Based on the original code of Epona by Lara.
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* Based on the original code of Services by Andy Church.
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*/
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#include "services.h"
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#include "modules.h"
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#include "users.h"
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#include "account.h"
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#include "protocol.h"
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#include "servers.h"
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#include "channels.h"
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#include "bots.h"
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#include "config.h"
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#include "opertype.h"
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#include "language.h"
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#include "sockets.h"
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#include "uplink.h"
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user_map UserListByNick, UserListByUID;
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int OperCount = 0;
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unsigned MaxUserCount = 0;
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time_t MaxUserTime = 0;
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std::list<User *> User::quitting_users;
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User::User(const Anope::string &snick, const Anope::string &sident, const Anope::string &shost, const Anope::string &svhost, const Anope::string &uip, Server *sserver, const Anope::string &srealname, time_t ts, const Anope::string &smodes, const Anope::string &suid, NickCore *account) : ip(uip)
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{
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if (snick.empty() || sident.empty() || shost.empty())
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throw CoreException("Bad args passed to User::User");
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/* we used to do this by calloc, no more. */
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quit = false;
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server = NULL;
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invalid_pw_count = invalid_pw_time = lastmemosend = lastnickreg = lastmail = 0;
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on_access = false;
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this->nick = snick;
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this->ident = sident;
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this->host = shost;
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this->vhost = svhost;
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this->chost = svhost;
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this->server = sserver;
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this->realname = srealname;
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this->timestamp = this->signon = ts;
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this->SetModesInternal(sserver, "%s", smodes.c_str());
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this->uid = suid;
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this->super_admin = false;
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this->nc = NULL;
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size_t old = UserListByNick.size();
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UserListByNick[snick] = this;
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if (!suid.empty())
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UserListByUID[suid] = this;
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if (old == UserListByNick.size())
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Log(LOG_DEBUG) << "Duplicate user " << snick << " in user table?";
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this->Login(account);
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this->UpdateHost();
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if (sserver) // Our bots are introduced on startup with no server
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{
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++sserver->users;
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if (server->IsSynced())
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Log(this, "connect") << (!vhost.empty() && vhost != host ? "(" + vhost + ") " : "") << "(" << srealname << ") " << (!uip.empty() && uip != host ? "[" + uip + "] " : "") << "connected to the network (" << sserver->GetName() << ")";
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}
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if (UserListByNick.size() > MaxUserCount)
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{
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MaxUserCount = UserListByNick.size();
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MaxUserTime = Anope::CurTime;
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if (sserver && sserver->IsSynced())
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Log(this, "maxusers") << "connected - new maximum user count: " << UserListByNick.size();
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}
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bool exempt = false;
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if (server && server->IsULined())
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exempt = true;
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FOREACH_MOD(OnUserConnect, (this, exempt));
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}
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static void CollideKill(User *target, const Anope::string &reason)
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{
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if (target->server != Me)
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target->Kill(Me, reason);
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else
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{
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// Be sure my user is really dead
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IRCD->SendQuit(target, "%s", reason.c_str());
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// Reintroduce my client
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if (BotInfo *bi = dynamic_cast<BotInfo *>(target))
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bi->OnKill();
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else
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target->Quit(reason);
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}
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}
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static void Collide(User *u, const Anope::string &id, const Anope::string &type)
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{
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// Kill incoming user
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IRCD->SendKill(Me, id, type);
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// Quit colliding user
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CollideKill(u, type);
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}
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User* User::OnIntroduce(const Anope::string &snick, const Anope::string &sident, const Anope::string &shost, const Anope::string &svhost, const Anope::string &sip, Server *sserver, const Anope::string &srealname, time_t ts, const Anope::string &smodes, const Anope::string &suid, NickCore *nc)
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{
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// How IRCds handle collisions varies a lot, for safety well just always kill both sides
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// With properly set qlines, this can almost never happen anyway
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User *u = User::Find(snick, true);
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if (u)
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{
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Collide(u, !suid.empty() ? suid : snick, "Nick collision");
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return NULL;
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}
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if (!suid.empty())
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{
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u = User::Find(suid);
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if (u)
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{
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Collide(u, suid, "ID collision");
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return NULL;
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}
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}
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return new User(snick, sident, shost, svhost, sip, sserver, srealname, ts, smodes, suid, nc);
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}
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void User::ChangeNick(const Anope::string &newnick, time_t ts)
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{
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/* Sanity check to make sure we don't segfault */
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if (newnick.empty())
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throw CoreException("User::ChangeNick() got a bad argument");
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this->super_admin = false;
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Log(this, "nick") << "(" << this->realname << ") changed nick to " << newnick;
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Anope::string old = this->nick;
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this->timestamp = ts;
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if (this->nick.equals_ci(newnick))
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this->nick = newnick;
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else
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{
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NickAlias *old_na = NickAlias::Find(this->nick);
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if (old_na && (this->IsIdentified(true) || this->IsRecognized()))
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old_na->last_seen = Anope::CurTime;
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UserListByNick.erase(this->nick);
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this->nick = newnick;
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User* &other = UserListByNick[this->nick];
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if (other)
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{
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CollideKill(this, "Nick collision");
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CollideKill(other, "Nick collision");
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return;
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}
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other = this;
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on_access = false;
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NickAlias *na = NickAlias::Find(this->nick);
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if (na)
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on_access = na->nc->IsOnAccess(this);
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if (na && na->nc == this->Account())
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{
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na->last_seen = Anope::CurTime;
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this->UpdateHost();
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}
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}
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FOREACH_MOD(OnUserNickChange, (this, old));
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}
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void User::SetDisplayedHost(const Anope::string &shost)
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{
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if (shost.empty())
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throw CoreException("empty host? in MY services? it seems it's more likely than I thought.");
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this->vhost = shost;
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Log(this, "host") << "changed vhost to " << shost;
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FOREACH_MOD(OnSetDisplayedHost, (this));
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this->UpdateHost();
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}
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const Anope::string &User::GetDisplayedHost() const
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{
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if (!this->vhost.empty())
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return this->vhost;
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else if (this->HasMode("CLOAK") && !this->GetCloakedHost().empty())
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return this->GetCloakedHost();
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else
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return this->host;
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}
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void User::SetCloakedHost(const Anope::string &newhost)
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{
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if (newhost.empty())
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throw CoreException("empty host in User::SetCloakedHost");
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chost = newhost;
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Log(this, "host") << "changed cloaked host to " << newhost;
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this->UpdateHost();
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}
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const Anope::string &User::GetCloakedHost() const
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{
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return chost;
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}
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const Anope::string &User::GetUID() const
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{
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if (!this->uid.empty() && IRCD->RequiresID)
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return this->uid;
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else
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return this->nick;
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}
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void User::SetVIdent(const Anope::string &sident)
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{
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this->vident = sident;
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Log(this, "ident") << "changed vident to " << sident;
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this->UpdateHost();
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}
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const Anope::string &User::GetVIdent() const
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{
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if (!this->vident.empty())
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return this->vident;
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else
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return this->ident;
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}
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void User::SetIdent(const Anope::string &sident)
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{
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this->ident = sident;
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Log(this, "ident") << "changed real ident to " << sident;
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this->UpdateHost();
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}
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const Anope::string &User::GetIdent() const
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{
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return this->ident;
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}
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Anope::string User::GetMask() const
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{
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return this->nick + "!" + this->ident + "@" + this->host;
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}
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Anope::string User::GetDisplayedMask() const
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{
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return this->nick + "!" + this->GetVIdent() + "@" + this->GetDisplayedHost();
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}
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void User::SetRealname(const Anope::string &srealname)
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{
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if (srealname.empty())
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throw CoreException("realname empty in SetRealname");
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this->realname = srealname;
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NickAlias *na = NickAlias::Find(this->nick);
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if (na && (this->IsIdentified(true) || this->IsRecognized()))
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na->last_realname = srealname;
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Log(this, "realname") << "changed realname to " << srealname;
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}
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User::~User()
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{
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UnsetExtensibles();
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if (this->server != NULL)
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{
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if (this->server->IsSynced())
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Log(this, "disconnect") << "(" << this->realname << ") disconnected from the network (" << this->server->GetName() << ")";
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--this->server->users;
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}
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FOREACH_MOD(OnPreUserLogoff, (this));
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ModeManager::StackerDel(this);
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this->Logout();
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if (this->HasMode("OPER"))
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--OperCount;
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while (!this->chans.empty())
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this->chans.begin()->second->chan->DeleteUser(this);
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UserListByNick.erase(this->nick);
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if (!this->uid.empty())
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UserListByUID.erase(this->uid);
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FOREACH_MOD(OnPostUserLogoff, (this));
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}
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void User::SendMessage(BotInfo *source, const char *fmt, ...)
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{
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va_list args;
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char buf[BUFSIZE] = "";
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const char *translated_message = Language::Translate(this, fmt);
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va_start(args, fmt);
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vsnprintf(buf, BUFSIZE - 1, translated_message, args);
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this->SendMessage(source, Anope::string(buf));
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va_end(args);
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}
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void User::SendMessage(BotInfo *source, const Anope::string &msg)
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{
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const char *translated_message = Language::Translate(this, msg.c_str());
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/* Send privmsg instead of notice if:
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* - UsePrivmsg is enabled
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* - The user is not registered and NSDefMsg is enabled
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* - The user is registered and has set /ns set msg on
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*/
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bool send_privmsg = Config->UsePrivmsg && ((!this->nc && Config->DefPrivmsg) || (this->nc && this->nc->HasExt("MSG")));
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sepstream sep(translated_message, '\n', true);
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for (Anope::string tok; sep.GetToken(tok);)
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{
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if (send_privmsg)
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IRCD->SendPrivmsg(source, this->GetUID(), "%s", tok.c_str());
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else
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IRCD->SendNotice(source, this->GetUID(), "%s", tok.c_str());
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}
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}
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void User::Identify(NickAlias *na)
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{
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if (this->nick.equals_ci(na->nick))
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{
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na->last_usermask = this->GetIdent() + "@" + this->GetDisplayedHost();
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na->last_realhost = this->GetIdent() + "@" + this->host;
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na->last_realname = this->realname;
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na->last_seen = Anope::CurTime;
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}
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IRCD->SendLogin(this, na);
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this->Login(na->nc);
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FOREACH_MOD(OnNickIdentify, (this));
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if (this->IsServicesOper())
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{
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if (!this->nc->o->ot->modes.empty())
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{
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this->SetModes(NULL, "%s", this->nc->o->ot->modes.c_str());
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this->SendMessage(NULL, "Changing your usermodes to \002%s\002", this->nc->o->ot->modes.c_str());
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UserMode *um = ModeManager::FindUserModeByName("OPER");
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if (um && !this->HasMode("OPER") && this->nc->o->ot->modes.find(um->mchar) != Anope::string::npos)
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IRCD->SendOper(this);
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}
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if (IRCD->CanSetVHost && !this->nc->o->vhost.empty())
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{
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this->SendMessage(NULL, "Changing your vhost to \002%s\002", this->nc->o->vhost.c_str());
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this->SetDisplayedHost(this->nc->o->vhost);
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IRCD->SendVhost(this, "", this->nc->o->vhost);
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}
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}
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}
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void User::Login(NickCore *core)
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{
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if (!core || core == this->nc)
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return;
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this->Logout();
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this->nc = core;
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core->users.push_back(this);
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this->UpdateHost();
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if (this->server->IsSynced())
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Log(this, "account") << "is now identified as " << this->nc->display;
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FOREACH_MOD(OnUserLogin, (this));
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}
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void User::Logout()
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{
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if (!this->nc)
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return;
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Log(this, "account") << "is no longer identified as " << this->nc->display;
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std::list<User *>::iterator it = std::find(this->nc->users.begin(), this->nc->users.end(), this);
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if (it != this->nc->users.end())
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this->nc->users.erase(it);
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this->nc = NULL;
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}
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NickCore *User::Account() const
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{
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return this->nc;
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}
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bool User::IsIdentified(bool check_nick) const
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{
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if (check_nick && this->nc)
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{
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NickAlias *na = NickAlias::Find(this->nick);
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return na && *na->nc == *this->nc;
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}
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return this->nc ? true : false;
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}
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bool User::IsRecognized(bool check_secure) const
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{
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if (check_secure && on_access)
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{
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const NickAlias *na = NickAlias::Find(this->nick);
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if (!na || na->nc->HasExt("NS_SECURE"))
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return false;
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}
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return on_access;
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}
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bool User::IsServicesOper()
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{
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if (!this->nc || !this->nc->IsServicesOper())
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// No opertype.
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return false;
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else if (this->nc->o->require_oper && !this->HasMode("OPER"))
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return false;
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else if (!this->nc->o->certfp.empty() && this->fingerprint != this->nc->o->certfp)
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// Certfp mismatch
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return false;
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else if (!this->nc->o->hosts.empty())
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{
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bool match = false;
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Anope::string match_host = this->GetIdent() + "@" + this->host;
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for (unsigned i = 0; i < this->nc->o->hosts.size(); ++i)
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if (Anope::Match(match_host, this->nc->o->hosts[i]))
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match = true;
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if (match == false)
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return false;
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}
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EventReturn MOD_RESULT;
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FOREACH_RESULT(IsServicesOper, MOD_RESULT, (this));
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if (MOD_RESULT == EVENT_STOP)
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return false;
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return true;
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}
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bool User::HasCommand(const Anope::string &command)
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{
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if (this->IsServicesOper())
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return this->nc->o->ot->HasCommand(command);
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return false;
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}
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bool User::HasPriv(const Anope::string &priv)
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{
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if (this->IsServicesOper())
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return this->nc->o->ot->HasPriv(priv);
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return false;
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}
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void User::UpdateHost()
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{
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if (this->host.empty())
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return;
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NickAlias *na = NickAlias::Find(this->nick);
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on_access = false;
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if (na)
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on_access = na->nc->IsOnAccess(this);
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if (na && (this->IsIdentified(true) || this->IsRecognized()))
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{
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Anope::string last_usermask = this->GetIdent() + "@" + this->GetDisplayedHost();
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Anope::string last_realhost = this->GetIdent() + "@" + this->host;
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na->last_usermask = last_usermask;
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na->last_realhost = last_realhost;
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// This is called on signon, and if users are introduced with an account it won't update
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na->last_realname = this->realname;
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}
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}
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bool User::HasMode(const Anope::string &mname) const
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{
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return this->modes.count(mname);
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}
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void User::SetModeInternal(const MessageSource &source, UserMode *um, const Anope::string ¶m)
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{
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if (!um)
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return;
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this->modes[um->name] = param;
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if (um->name == "OPER")
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{
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++OperCount;
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if (this->IsServicesOper())
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{
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if (!this->nc->o->ot->modes.empty())
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{
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this->SetModes(NULL, "%s", this->nc->o->ot->modes.c_str());
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this->SendMessage(NULL, "Changing your usermodes to \002%s\002", this->nc->o->ot->modes.c_str());
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UserMode *oper = ModeManager::FindUserModeByName("OPER");
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|
if (oper && !this->HasMode("OPER") && this->nc->o->ot->modes.find(oper->mchar) != Anope::string::npos)
|
|
IRCD->SendOper(this);
|
|
}
|
|
if (IRCD->CanSetVHost && !this->nc->o->vhost.empty())
|
|
{
|
|
this->SendMessage(NULL, "Changing your vhost to \002%s\002", this->nc->o->vhost.c_str());
|
|
this->SetDisplayedHost(this->nc->o->vhost);
|
|
IRCD->SendVhost(this, "", this->nc->o->vhost);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (um->name == "CLOAK" || um->name == "VHOST")
|
|
this->UpdateHost();
|
|
|
|
FOREACH_MOD(OnUserModeSet, (source, this, um->name));
|
|
}
|
|
|
|
void User::RemoveModeInternal(const MessageSource &source, UserMode *um)
|
|
{
|
|
if (!um)
|
|
return;
|
|
|
|
this->modes.erase(um->name);
|
|
|
|
if (um->name == "OPER")
|
|
{
|
|
--OperCount;
|
|
|
|
// Don't let people de-oper and remain a SuperAdmin
|
|
this->super_admin = false;
|
|
}
|
|
|
|
if (um->name == "CLOAK" || um->name == "VHOST")
|
|
{
|
|
this->vhost.clear();
|
|
this->UpdateHost();
|
|
}
|
|
|
|
FOREACH_MOD(OnUserModeUnset, (source, this, um->name));
|
|
}
|
|
|
|
void User::SetMode(BotInfo *bi, UserMode *um, const Anope::string ¶m)
|
|
{
|
|
if (!um || HasMode(um->name))
|
|
return;
|
|
|
|
ModeManager::StackerAdd(bi, this, um, true, param);
|
|
SetModeInternal(bi, um, param);
|
|
}
|
|
|
|
void User::SetMode(BotInfo *bi, const Anope::string &uname, const Anope::string ¶m)
|
|
{
|
|
SetMode(bi, ModeManager::FindUserModeByName(uname), param);
|
|
}
|
|
|
|
void User::RemoveMode(BotInfo *bi, UserMode *um, const Anope::string ¶m)
|
|
{
|
|
if (!um || !HasMode(um->name))
|
|
return;
|
|
|
|
ModeManager::StackerAdd(bi, this, um, false, param);
|
|
RemoveModeInternal(bi, um);
|
|
}
|
|
|
|
void User::RemoveMode(BotInfo *bi, const Anope::string &name, const Anope::string ¶m)
|
|
{
|
|
RemoveMode(bi, ModeManager::FindUserModeByName(name), param);
|
|
}
|
|
|
|
void User::SetModes(BotInfo *bi, const char *umodes, ...)
|
|
{
|
|
char buf[BUFSIZE] = "";
|
|
va_list args;
|
|
Anope::string modebuf, sbuf;
|
|
int add = -1;
|
|
va_start(args, umodes);
|
|
vsnprintf(buf, BUFSIZE - 1, umodes, args);
|
|
va_end(args);
|
|
|
|
spacesepstream sep(buf);
|
|
sep.GetToken(modebuf);
|
|
for (unsigned i = 0, end = modebuf.length(); i < end; ++i)
|
|
{
|
|
UserMode *um;
|
|
|
|
switch (modebuf[i])
|
|
{
|
|
case '+':
|
|
add = 1;
|
|
continue;
|
|
case '-':
|
|
add = 0;
|
|
continue;
|
|
default:
|
|
if (add == -1)
|
|
continue;
|
|
um = ModeManager::FindUserModeByChar(modebuf[i]);
|
|
if (!um)
|
|
continue;
|
|
}
|
|
|
|
if (add)
|
|
{
|
|
if (um->type == MODE_PARAM && sep.GetToken(sbuf))
|
|
this->SetMode(bi, um, sbuf);
|
|
else
|
|
this->SetMode(bi, um);
|
|
}
|
|
else
|
|
this->RemoveMode(bi, um);
|
|
}
|
|
}
|
|
|
|
void User::SetModesInternal(const MessageSource &source, const char *umodes, ...)
|
|
{
|
|
char buf[BUFSIZE] = "";
|
|
va_list args;
|
|
Anope::string modebuf, sbuf;
|
|
int add = -1;
|
|
va_start(args, umodes);
|
|
vsnprintf(buf, BUFSIZE - 1, umodes, args);
|
|
va_end(args);
|
|
|
|
if (this->server && this->server->IsSynced() && Anope::string(buf) != "+")
|
|
Log(this, "mode") << "changes modes to " << buf;
|
|
|
|
spacesepstream sep(buf);
|
|
sep.GetToken(modebuf);
|
|
for (unsigned i = 0, end = modebuf.length(); i < end; ++i)
|
|
{
|
|
UserMode *um;
|
|
|
|
switch (modebuf[i])
|
|
{
|
|
case '+':
|
|
add = 1;
|
|
continue;
|
|
case '-':
|
|
add = 0;
|
|
continue;
|
|
default:
|
|
if (add == -1)
|
|
continue;
|
|
um = ModeManager::FindUserModeByChar(modebuf[i]);
|
|
if (!um)
|
|
continue;
|
|
}
|
|
|
|
if (add)
|
|
{
|
|
if (um->type == MODE_PARAM && sep.GetToken(sbuf))
|
|
this->SetModeInternal(source, um, sbuf);
|
|
else
|
|
this->SetModeInternal(source, um);
|
|
}
|
|
else
|
|
this->RemoveModeInternal(source, um);
|
|
}
|
|
}
|
|
|
|
Anope::string User::GetModes() const
|
|
{
|
|
Anope::string m, params;
|
|
|
|
for (ModeList::const_iterator it = this->modes.begin(), it_end = this->modes.end(); it != it_end; ++it)
|
|
{
|
|
UserMode *um = ModeManager::FindUserModeByName(it->first);
|
|
if (um == NULL)
|
|
continue;
|
|
|
|
m += um->mchar;
|
|
|
|
if (!it->second.empty())
|
|
params += " " + it->second;
|
|
}
|
|
|
|
return m + params;
|
|
}
|
|
|
|
const User::ModeList &User::GetModeList() const
|
|
{
|
|
return modes;
|
|
}
|
|
|
|
ChanUserContainer *User::FindChannel(Channel *c) const
|
|
{
|
|
User::ChanUserList::const_iterator it = this->chans.find(c);
|
|
if (it != this->chans.end())
|
|
return it->second;
|
|
return NULL;
|
|
}
|
|
|
|
bool User::IsProtected()
|
|
{
|
|
return this->HasMode("PROTECTED") || this->HasMode("GOD") || this->HasPriv("protected") || (this->server && this->server->IsULined());
|
|
}
|
|
|
|
void User::Kill(const MessageSource &source, const Anope::string &reason)
|
|
{
|
|
Anope::string real_reason = source.GetName() + " (" + reason + ")";
|
|
|
|
IRCD->SendSVSKill(source, this, "%s", real_reason.c_str());
|
|
}
|
|
|
|
void User::KillInternal(const MessageSource &source, const Anope::string &reason)
|
|
{
|
|
if (this->quit)
|
|
{
|
|
Log(LOG_DEBUG) << "Duplicate quit for " << this->nick;
|
|
return;
|
|
}
|
|
|
|
Log(this, "killed") << "was killed by " << source.GetName() << " (Reason: " << reason << ")";
|
|
|
|
this->Quit(reason);
|
|
}
|
|
|
|
void User::Quit(const Anope::string &reason)
|
|
{
|
|
if (this->quit)
|
|
{
|
|
Log(LOG_DEBUG) << "Duplicate quit for " << this->nick;
|
|
return;
|
|
}
|
|
|
|
FOREACH_MOD(OnUserQuit, (this, reason));
|
|
|
|
this->quit = true;
|
|
quitting_users.push_back(this);
|
|
}
|
|
|
|
bool User::Quitting() const
|
|
{
|
|
return this->quit;
|
|
}
|
|
|
|
Anope::string User::Mask() const
|
|
{
|
|
Anope::string mask;
|
|
const Anope::string &mident = this->GetIdent();
|
|
const Anope::string &mhost = this->GetDisplayedHost();
|
|
|
|
if (mident[0] == '~')
|
|
mask = "*" + mident + "@";
|
|
else
|
|
mask = mident + "@";
|
|
|
|
sockaddrs addr(mhost);
|
|
if (addr.valid() && addr.sa.sa_family == AF_INET)
|
|
{
|
|
size_t dot = mhost.rfind('.');
|
|
mask += mhost.substr(0, dot) + (dot == Anope::string::npos ? "" : ".*");
|
|
}
|
|
else
|
|
{
|
|
size_t dot = mhost.find('.');
|
|
if (dot != Anope::string::npos && mhost.find('.', dot + 1) != Anope::string::npos)
|
|
mask += "*" + mhost.substr(dot);
|
|
else
|
|
mask += mhost;
|
|
}
|
|
|
|
return mask;
|
|
}
|
|
|
|
bool User::BadPassword()
|
|
{
|
|
if (!Config->GetBlock("options")->Get<int>("badpasslimit"))
|
|
return false;
|
|
|
|
if (Config->GetBlock("options")->Get<time_t>("badpasstimeout") > 0 && this->invalid_pw_time > 0 && this->invalid_pw_time < Anope::CurTime - Config->GetBlock("options")->Get<time_t>("badpasstimeout"))
|
|
this->invalid_pw_count = 0;
|
|
++this->invalid_pw_count;
|
|
this->invalid_pw_time = Anope::CurTime;
|
|
if (this->invalid_pw_count >= Config->GetBlock("options")->Get<int>("badpasslimit"))
|
|
{
|
|
this->Kill(Me, "Too many invalid passwords");
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
User* User::Find(const Anope::string &name, bool nick_only)
|
|
{
|
|
if (!nick_only && IRCD && IRCD->RequiresID)
|
|
{
|
|
user_map::iterator it = UserListByUID.find(name);
|
|
if (it != UserListByUID.end())
|
|
return it->second;
|
|
|
|
if (IRCD->AmbiguousID)
|
|
return NULL;
|
|
}
|
|
|
|
user_map::iterator it = UserListByNick.find(name);
|
|
if (it != UserListByNick.end())
|
|
return it->second;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void User::QuitUsers()
|
|
{
|
|
for (std::list<User *>::iterator it = quitting_users.begin(), it_end = quitting_users.end(); it != it_end; ++it)
|
|
delete *it;
|
|
quitting_users.clear();
|
|
}
|