mirror of
https://github.com/anope/anope.git
synced 2026-06-25 08:56:39 +02:00
Sadie Powell
f9911dde52
We used to return NULL from these methods but now we return an empty block so this can never actually be null now.
491 lines
13 KiB
C++
491 lines
13 KiB
C++
/* OperServ core functions
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*
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* (C) 2003-2025 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 "module.h"
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static ServiceReference<XLineManager> akills("XLineManager", "xlinemanager/sgline");
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class AkillDelCallback final
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: public NumberList
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{
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CommandSource &source;
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unsigned deleted = 0;
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Command *cmd;
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public:
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AkillDelCallback(CommandSource &_source, const Anope::string &numlist, Command *c) : NumberList(numlist, true), source(_source), cmd(c)
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{
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}
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~AkillDelCallback() override
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{
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if (!deleted)
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source.Reply(_("No matching entries on the AKILL list."));
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else if (deleted == 1)
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source.Reply(_("Deleted 1 entry from the AKILL list."));
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else
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source.Reply(_("Deleted %d entries from the AKILL list."), deleted);
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}
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void HandleNumber(unsigned number) override
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{
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if (!number)
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return;
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XLine *x = akills->GetEntry(number - 1);
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if (!x)
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return;
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Log(LOG_ADMIN, source, cmd) << "to remove " << x->mask << " from the list";
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++deleted;
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DoDel(source, x);
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}
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static void DoDel(CommandSource &source, XLine *x)
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{
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akills->DelXLine(x);
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}
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};
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class CommandOSAKill final
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: public Command
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{
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private:
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void DoAdd(CommandSource &source, const std::vector<Anope::string> ¶ms)
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{
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Anope::string expiry, mask;
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if (params.size() < 2)
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{
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this->OnSyntaxError(source, "ADD");
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return;
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}
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spacesepstream sep(params[1]);
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sep.GetToken(mask);
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if (mask[0] == '+')
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{
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expiry = mask;
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sep.GetToken(mask);
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}
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time_t expires = !expiry.empty() ? Anope::DoTime(expiry) : Config->GetModule("operserv").Get<time_t>("autokillexpiry", "30d");
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/* If the expiry given does not contain a final letter, it's in days,
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* said the doc. Ah well.
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*/
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if (!expiry.empty() && isdigit(expiry[expiry.length() - 1]))
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expires *= 86400;
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/* Do not allow less than a minute expiry time */
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if (expires && expires < 60)
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{
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source.Reply(BAD_EXPIRY_TIME);
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return;
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}
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else if (expires > 0)
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expires += Anope::CurTime;
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if (sep.StreamEnd())
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{
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this->OnSyntaxError(source, "ADD");
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return;
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}
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Anope::string reason;
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if (mask.find('#') != Anope::string::npos)
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{
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Anope::string remaining = sep.GetRemaining();
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size_t co = remaining[0] == ':' ? 0 : remaining.rfind(" :");
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if (co == Anope::string::npos)
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{
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this->OnSyntaxError(source, "ADD");
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return;
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}
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if (co != 0)
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++co;
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reason = remaining.substr(co + 1);
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mask += " " + remaining.substr(0, co);
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mask.trim();
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}
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else
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reason = sep.GetRemaining();
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if (mask[0] == '/' && mask[mask.length() - 1] == '/')
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{
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const Anope::string ®exengine = Config->GetBlock("options").Get<const Anope::string>("regexengine");
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if (regexengine.empty())
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{
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source.Reply(_("Regex is disabled."));
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return;
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}
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ServiceReference<RegexProvider> provider("Regex", regexengine);
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if (!provider)
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{
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source.Reply(_("Unable to find regex engine %s."), regexengine.c_str());
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return;
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}
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try
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{
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Anope::string stripped_mask = mask.substr(1, mask.length() - 2);
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delete provider->Compile(stripped_mask);
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}
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catch (const RegexException &ex)
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{
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source.Reply("%s", ex.GetReason().c_str());
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return;
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}
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}
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User *targ = User::Find(mask, true);
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if (targ)
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mask = "*@" + targ->host;
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if (Config->GetModule("operserv").Get<bool>("addakiller", "yes") && !source.GetNick().empty())
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reason = "[" + source.GetNick() + "] " + reason;
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if (mask.find_first_not_of("/~@.*?") == Anope::string::npos)
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{
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source.Reply(USERHOST_MASK_TOO_WIDE, mask.c_str());
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return;
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}
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else if (mask.find('@') == Anope::string::npos)
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{
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source.Reply(BAD_USERHOST_MASK);
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return;
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}
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auto *x = new XLine(mask, source.GetNick(), expires, reason);
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if (Config->GetModule("operserv").Get<bool>("akillids"))
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x->id = XLineManager::GenerateUID();
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unsigned int affected = 0;
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for (const auto &[_, user] : UserListByNick)
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if (akills->Check(user, x))
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++affected;
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float percent = static_cast<float>(affected) / static_cast<float>(UserListByNick.size()) * 100.0;
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if (percent > 95)
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{
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source.Reply(USERHOST_MASK_TOO_WIDE, mask.c_str());
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Log(LOG_ADMIN, source, this) << "tried to akill " << percent << "% of the network (" << affected << " users)";
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delete x;
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return;
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}
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if (!akills->CanAdd(source, mask, expires, reason))
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{
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delete x;
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return;
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}
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EventReturn MOD_RESULT;
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FOREACH_RESULT(OnAddXLine, MOD_RESULT, (source, x, akills));
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if (MOD_RESULT == EVENT_STOP)
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{
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delete x;
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return;
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}
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akills->AddXLine(x);
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if (Config->GetModule("operserv").Get<bool>("akillonadd"))
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akills->Send(NULL, x);
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source.Reply(_("\002%s\002 added to the AKILL list."), mask.c_str());
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Log(LOG_ADMIN, source, this) << "on " << mask << " (" << x->reason << "), expires in " << (expires ? Anope::Duration(expires - Anope::CurTime) : "never") << " [affects " << affected << " user(s) (" << percent << "%)]";
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if (Anope::ReadOnly)
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source.Reply(READ_ONLY_MODE);
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}
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void DoDel(CommandSource &source, const std::vector<Anope::string> ¶ms)
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{
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const Anope::string &mask = params.size() > 1 ? params[1] : "";
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if (mask.empty())
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{
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this->OnSyntaxError(source, "DEL");
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return;
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}
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if (akills->GetList().empty())
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{
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source.Reply(_("AKILL list is empty."));
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return;
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}
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if (isdigit(mask[0]) && mask.find_first_not_of("1234567890,-") == Anope::string::npos)
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{
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AkillDelCallback list(source, mask, this);
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list.Process();
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}
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else
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{
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XLine *x = akills->HasEntry(mask);
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if (!x)
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{
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source.Reply(_("\002%s\002 not found on the AKILL list."), mask.c_str());
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return;
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}
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do
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{
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FOREACH_MOD(OnDelXLine, (source, x, akills));
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Log(LOG_ADMIN, source, this) << "to remove " << x->mask << " from the list";
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source.Reply(_("\002%s\002 deleted from the AKILL list."), x->mask.c_str());
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AkillDelCallback::DoDel(source, x);
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}
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while ((x = akills->HasEntry(mask)));
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}
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if (Anope::ReadOnly)
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source.Reply(READ_ONLY_MODE);
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return;
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}
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void ProcessList(CommandSource &source, const std::vector<Anope::string> ¶ms, ListFormatter &list)
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{
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const Anope::string &mask = params.size() > 1 ? params[1] : "";
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if (!mask.empty() && isdigit(mask[0]) && mask.find_first_not_of("1234567890,-") == Anope::string::npos)
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{
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class ListCallback final
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: public NumberList
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{
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CommandSource &source;
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ListFormatter &list;
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public:
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ListCallback(CommandSource &_source, ListFormatter &_list, const Anope::string &numstr) : NumberList(numstr, false), source(_source), list(_list)
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{
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}
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void HandleNumber(unsigned number) override
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{
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if (!number)
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return;
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const XLine *x = akills->GetEntry(number - 1);
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if (!x)
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return;
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ListFormatter::ListEntry entry;
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entry["Number"] = Anope::ToString(number);
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entry["Mask"] = x->mask;
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entry["Creator"] = x->by;
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entry["Created"] = Anope::strftime(x->created, NULL, true);
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entry["Expires"] = Anope::Expires(x->expires, source.nc);
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entry["ID"] = x->id;
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entry["Reason"] = x->reason;
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this->list.AddEntry(entry);
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}
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}
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nl_list(source, list, mask);
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nl_list.Process();
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}
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else
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{
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for (unsigned i = 0, end = akills->GetCount(); i < end; ++i)
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{
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const XLine *x = akills->GetEntry(i);
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if (mask.empty() || mask.equals_ci(x->mask) || mask == x->id || Anope::Match(x->mask, mask, false, true))
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{
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ListFormatter::ListEntry entry;
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entry["Number"] = Anope::ToString(i + 1);
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entry["Mask"] = x->mask;
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entry["Creator"] = x->by;
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entry["Created"] = Anope::strftime(x->created, NULL, true);
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entry["Expires"] = Anope::Expires(x->expires, source.nc);
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entry["ID"] = x->id;
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entry["Reason"] = x->reason;
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list.AddEntry(entry);
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}
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}
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}
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if (list.IsEmpty())
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source.Reply(_("No matching entries on the AKILL list."));
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else
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{
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source.Reply(_("Current AKILL list:"));
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std::vector<Anope::string> replies;
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list.Process(replies);
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for (const auto &reply : replies)
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source.Reply(reply);
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source.Reply(_("End of AKILL list."));
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}
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}
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void DoList(CommandSource &source, const std::vector<Anope::string> ¶ms)
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{
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if (akills->GetList().empty())
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{
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source.Reply(_("AKILL list is empty."));
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return;
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}
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ListFormatter list(source.GetAccount());
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list.AddColumn(_("Number")).AddColumn(_("Mask")).AddColumn(_("Reason"));
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this->ProcessList(source, params, list);
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}
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void DoView(CommandSource &source, const std::vector<Anope::string> ¶ms)
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{
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if (akills->GetList().empty())
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{
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source.Reply(_("AKILL list is empty."));
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return;
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}
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ListFormatter list(source.GetAccount());
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list.AddColumn(_("Number")).AddColumn(_("Mask")).AddColumn(_("Creator")).AddColumn(_("Created")).AddColumn(_("Expires"));
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if (Config->GetModule("operserv").Get<bool>("akillids"))
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list.AddColumn(_("ID"));
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list.AddColumn(_("Reason"));
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this->ProcessList(source, params, list);
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}
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void DoClear(CommandSource &source)
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{
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for (unsigned i = akills->GetCount(); i > 0; --i)
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{
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XLine *x = akills->GetEntry(i - 1);
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FOREACH_MOD(OnDelXLine, (source, x, akills));
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akills->DelXLine(x);
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}
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Log(LOG_ADMIN, source, this) << "to CLEAR the list";
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source.Reply(_("The AKILL list has been cleared."));
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if (Anope::ReadOnly)
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source.Reply(READ_ONLY_MODE);
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}
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public:
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CommandOSAKill(Module *creator) : Command(creator, "operserv/akill", 1, 2)
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{
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this->SetDesc(_("Manipulate the AKILL list"));
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this->SetSyntax(_("ADD [+\037expiry\037] \037mask\037 \037reason\037"));
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this->SetSyntax(_("DEL {\037mask\037 | \037entry-num\037 | \037list\037 | \037id\037}"));
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this->SetSyntax(_("LIST [\037mask\037 | \037list\037 | \037id\037]"));
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this->SetSyntax(_("VIEW [\037mask\037 | \037list\037 | \037id\037]"));
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this->SetSyntax("CLEAR");
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}
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void Execute(CommandSource &source, const std::vector<Anope::string> ¶ms) override
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{
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const Anope::string &cmd = params[0];
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if (!akills)
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return;
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if (cmd.equals_ci("ADD"))
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return this->DoAdd(source, params);
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else if (cmd.equals_ci("DEL"))
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return this->DoDel(source, params);
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else if (cmd.equals_ci("LIST"))
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return this->DoList(source, params);
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else if (cmd.equals_ci("VIEW"))
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return this->DoView(source, params);
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else if (cmd.equals_ci("CLEAR"))
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return this->DoClear(source);
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else
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this->OnSyntaxError(source, "");
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return;
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}
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bool OnHelp(CommandSource &source, const Anope::string &subcommand) override
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{
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this->SendSyntax(source);
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source.Reply(" ");
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source.Reply(_("Allows Services Operators to manipulate the AKILL list. If\n"
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"a user matching an AKILL mask attempts to connect, services\n"
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"will issue a KILL for that user and, on supported server\n"
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"types, will instruct all servers to add a ban for the mask\n"
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"which the user matched.\n"
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" \n"
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"\002AKILL ADD\002 adds the given mask to the AKILL\n"
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"list for the given reason, which \002must\002 be given.\n"
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"Mask should be in the format of nick!user@host#real name,\n"
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"though all that is required is user@host. If a real name is specified,\n"
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"the reason must be prepended with a :.\n"
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"\037expiry\037 is specified as an integer followed by one of \037d\037\n"
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"(days), \037h\037 (hours), or \037m\037 (minutes). Combinations (such as\n"
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"\0371h30m\037) are not permitted. If a unit specifier is not\n"
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"included, the default is days (so \037+30\037 by itself means 30\n"
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"days). To add an AKILL which does not expire, use \037+0\037. If the\n"
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"usermask to be added starts with a \037+\037, an expiry time must\n"
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"be given, even if it is the same as the default. The\n"
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"current AKILL default expiry time can be found with the\n"
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"\002STATS AKILL\002 command."));
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const Anope::string ®exengine = Config->GetBlock("options").Get<const Anope::string>("regexengine");
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if (!regexengine.empty())
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{
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source.Reply(" ");
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source.Reply(_("Regex matches are also supported using the %s engine.\n"
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"Enclose your mask in // if this is desired."), regexengine.c_str());
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}
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source.Reply(_(
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" \n"
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"The \002AKILL DEL\002 command removes the given mask from the\n"
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"AKILL list if it is present. If a list of entry numbers is\n"
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"given, those entries are deleted. (See the example for LIST\n"
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"below.)\n"
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" \n"
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"The \002AKILL LIST\002 command displays the AKILL list.\n"
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"If a wildcard mask is given, only those entries matching the\n"
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"mask are displayed. If a list of entry numbers is given,\n"
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"only those entries are shown; for example:\n"
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" \002AKILL LIST 2-5,7-9\002\n"
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" Lists AKILL entries numbered 2 through 5 and 7\n"
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" through 9.\n"
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" \n"
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"\002AKILL VIEW\002 is a more verbose version of \002AKILL LIST\002, and\n"
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"will show who added an AKILL, the date it was added, and when\n"
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"it expires, as well as the user@host/ip mask and reason.\n"
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" \n"
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"\002AKILL CLEAR\002 clears all entries of the AKILL list."));
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return true;
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}
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};
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class OSAKill final
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: public Module
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{
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CommandOSAKill commandosakill;
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public:
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OSAKill(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR),
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commandosakill(this)
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{
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}
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};
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MODULE_INIT(OSAKill)
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