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anope/modules/commands/cs_akick.cpp
acidvegas 45be6747c9
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2023-05-07 13:44:21 -04:00

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/* ChanServ core functions
*
* (C) 2003-2022 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*/
#include "module.h"
class CommandCSAKick : public Command
{
void Enforce(CommandSource &source, ChannelInfo *ci)
{
Channel *c = ci->c;
int count = 0;
if (!c)
{
return;
}
for (Channel::ChanUserList::iterator it = c->users.begin(), it_end = c->users.end(); it != it_end; )
{
ChanUserContainer *uc = it->second;
++it;
if (c->CheckKick(uc->user))
++count;
}
bool override = !source.AccessFor(ci).HasPriv("AKICK");
Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, ci) << "ENFORCE, affects " << count << " users";
source.Reply(_("AKICK ENFORCE for \002%s\002 complete; \002%d\002 users were affected."), ci->name.c_str(), count);
}
void DoAdd(CommandSource &source, ChannelInfo *ci, const std::vector<Anope::string> &params)
{
Anope::string mask = params[2];
Anope::string reason = params.size() > 3 ? params[3] : "";
const NickAlias *na = NickAlias::Find(mask);
NickCore *nc = NULL;
const AutoKick *akick;
unsigned reasonmax = Config->GetModule("chanserv")->Get<unsigned>("reasonmax", "200");
if (reason.length() > reasonmax)
reason = reason.substr(0, reasonmax);
if (IRCD->IsExtbanValid(mask))
; /* If this is an extban don't try to complete the mask */
else if (IRCD->IsChannelValid(mask))
{
/* Also don't try to complete the mask if this is a channel */
if (mask.equals_ci(ci->name) && ci->HasExt("PEACE"))
{
source.Reply(ACCESS_DENIED);
return;
}
}
else if (!na)
{
/* If the mask contains a realname the reason must be prepended with a : */
if (mask.find('#') != Anope::string::npos)
{
size_t r = reason.find(':');
if (r != Anope::string::npos)
{
mask += " " + reason.substr(0, r);
mask.trim();
reason = reason.substr(r + 1);
reason.trim();
}
else
{
mask = mask + " " + reason;
reason.clear();
}
}
Entry e("", mask);
mask = (e.nick.empty() ? "*" : e.nick) + "!"
+ (e.user.empty() ? "*" : e.user) + "@"
+ (e.host.empty() ? "*" : e.host);
if (!e.real.empty())
mask += "#" + e.real;
}
else
nc = na->nc;
/* Check excepts BEFORE we get this far */
if (ci->c)
{
std::vector<Anope::string> modes = ci->c->GetModeList("EXCEPT");
for (unsigned int i = 0; i < modes.size(); ++i)
{
if (Anope::Match(modes[i], mask))
{
source.Reply(CHAN_EXCEPTED, mask.c_str(), ci->name.c_str());
return;
}
}
}
bool override = !source.AccessFor(ci).HasPriv("AKICK");
/* Opers overriding get to bypass PEACE */
if (override)
;
/* These peace checks are only for masks */
else if (IRCD->IsChannelValid(mask))
;
/* Check whether target nick has equal/higher access
* or whether the mask matches a user with higher/equal access - Viper */
else if (ci->HasExt("PEACE") && nc)
{
AccessGroup nc_access = ci->AccessFor(nc), u_access = source.AccessFor(ci);
if (nc == ci->GetFounder() || nc_access >= u_access)
{
source.Reply(ACCESS_DENIED);
return;
}
}
else if (ci->HasExt("PEACE"))
{
/* Match against all currently online users with equal or
* higher access. - Viper */
for (user_map::const_iterator it = UserListByNick.begin(); it != UserListByNick.end(); ++it)
{
User *u2 = it->second;
AccessGroup nc_access = ci->AccessFor(nc), u_access = source.AccessFor(ci);
Entry entry_mask("", mask);
if ((ci->AccessFor(u2).HasPriv("FOUNDER") || nc_access >= u_access) && entry_mask.Matches(u2))
{
source.Reply(ACCESS_DENIED);
return;
}
}
/* Match against the lastusermask of all nickalias's with equal
* or higher access. - Viper */
for (nickalias_map::const_iterator it = NickAliasList->begin(), it_end = NickAliasList->end(); it != it_end; ++it)
{
na = it->second;
AccessGroup nc_access = ci->AccessFor(na->nc), u_access = source.AccessFor(ci);
if (na->nc && (na->nc == ci->GetFounder() || nc_access >= u_access))
{
Anope::string buf = na->nick + "!" + na->last_usermask;
if (Anope::Match(buf, mask))
{
source.Reply(ACCESS_DENIED);
return;
}
}
}
}
for (unsigned j = 0, end = ci->GetAkickCount(); j < end; ++j)
{
akick = ci->GetAkick(j);
if (akick->nc ? akick->nc == nc : mask.equals_ci(akick->mask))
{
source.Reply(_("\002%s\002 already exists on %s autokick list."), akick->nc ? akick->nc->display.c_str() : akick->mask.c_str(), ci->name.c_str());
return;
}
}
if (ci->GetAkickCount() >= Config->GetModule(this->owner)->Get<unsigned>("autokickmax"))
{
source.Reply(_("Sorry, you can only have %d autokick masks on a channel."), Config->GetModule(this->owner)->Get<unsigned>("autokickmax"));
return;
}
if (nc)
akick = ci->AddAkick(source.GetNick(), nc, reason);
else
akick = ci->AddAkick(source.GetNick(), mask, reason);
Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, ci) << "to add " << mask << (reason == "" ? "" : ": ") << reason;
FOREACH_MOD(OnAkickAdd, (source, ci, akick));
source.Reply(_("\002%s\002 added to %s autokick list."), mask.c_str(), ci->name.c_str());
this->Enforce(source, ci);
}
void DoDel(CommandSource &source, ChannelInfo *ci, const std::vector<Anope::string> &params)
{
const Anope::string &mask = params[2];
unsigned i, end;
if (!ci->GetAkickCount())
{
source.Reply(_("%s autokick list is empty."), ci->name.c_str());
return;
}
/* Special case: is it a number/list? Only do search if it isn't. */
if (isdigit(mask[0]) && mask.find_first_not_of("1234567890,-") == Anope::string::npos)
{
class AkickDelCallback : public NumberList
{
CommandSource &source;
ChannelInfo *ci;
Command *c;
unsigned deleted;
AccessGroup ag;
public:
AkickDelCallback(CommandSource &_source, ChannelInfo *_ci, Command *_c, const Anope::string &list) : NumberList(list, true), source(_source), ci(_ci), c(_c), deleted(0), ag(source.AccessFor(ci))
{
}
~AkickDelCallback()
{
if (!deleted)
source.Reply(_("No matching entries on %s autokick list."), ci->name.c_str());
else if (deleted == 1)
source.Reply(_("Deleted 1 entry from %s autokick list."), ci->name.c_str());
else
source.Reply(_("Deleted %d entries from %s autokick list."), deleted, ci->name.c_str());
}
void HandleNumber(unsigned number) anope_override
{
if (!number || number > ci->GetAkickCount())
return;
const AutoKick *akick = ci->GetAkick(number - 1);
FOREACH_MOD(OnAkickDel, (source, ci, akick));
bool override = !ag.HasPriv("AKICK");
Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, c, ci) << "to delete " << (akick->nc ? akick->nc->display : akick->mask);
++deleted;
ci->EraseAkick(number - 1);
}
}
delcallback(source, ci, this, mask);
delcallback.Process();
}
else
{
const NickAlias *na = NickAlias::Find(mask);
const NickCore *nc = na ? *na->nc : NULL;
for (i = 0, end = ci->GetAkickCount(); i < end; ++i)
{
const AutoKick *akick = ci->GetAkick(i);
if (akick->nc ? akick->nc == nc : mask.equals_ci(akick->mask))
break;
}
if (i == ci->GetAkickCount())
{
source.Reply(_("\002%s\002 not found on %s autokick list."), mask.c_str(), ci->name.c_str());
return;
}
bool override = !source.AccessFor(ci).HasPriv("AKICK");
Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, ci) << "to delete " << mask;
FOREACH_MOD(OnAkickDel, (source, ci, ci->GetAkick(i)));
ci->EraseAkick(i);
source.Reply(_("\002%s\002 deleted from %s autokick list."), mask.c_str(), ci->name.c_str());
}
}
void ProcessList(CommandSource &source, ChannelInfo *ci, const std::vector<Anope::string> &params, ListFormatter &list)
{
const Anope::string &mask = params.size() > 2 ? params[2] : "";
if (!mask.empty() && isdigit(mask[0]) && mask.find_first_not_of("1234567890,-") == Anope::string::npos)
{
class AkickListCallback : public NumberList
{
ListFormatter &list;
ChannelInfo *ci;
public:
AkickListCallback(ListFormatter &_list, ChannelInfo *_ci, const Anope::string &numlist) : NumberList(numlist, false), list(_list), ci(_ci)
{
}
void HandleNumber(unsigned number) anope_override
{
if (!number || number > ci->GetAkickCount())
return;
const AutoKick *akick = ci->GetAkick(number - 1);
Anope::string timebuf, lastused;
if (akick->addtime)
timebuf = Anope::strftime(akick->addtime, NULL, true);
else
timebuf = UNKNOWN;
if (akick->last_used)
lastused = Anope::strftime(akick->last_used, NULL, true);
else
lastused = UNKNOWN;
ListFormatter::ListEntry entry;
entry["Number"] = stringify(number);
if (akick->nc)
entry["Mask"] = akick->nc->display;
else
entry["Mask"] = akick->mask;
entry["Creator"] = akick->creator;
entry["Created"] = timebuf;
entry["Last used"] = lastused;
entry["Reason"] = akick->reason;
this->list.AddEntry(entry);
}
}
nl_list(list, ci, mask);
nl_list.Process();
}
else
{
for (unsigned i = 0, end = ci->GetAkickCount(); i < end; ++i)
{
const AutoKick *akick = ci->GetAkick(i);
if (!mask.empty())
{
if (!akick->nc && !Anope::Match(akick->mask, mask))
continue;
if (akick->nc && !Anope::Match(akick->nc->display, mask))
continue;
}
Anope::string timebuf, lastused;
if (akick->addtime)
timebuf = Anope::strftime(akick->addtime, NULL, true);
else
timebuf = UNKNOWN;
if (akick->last_used)
lastused = Anope::strftime(akick->last_used, NULL, true);
else
lastused = UNKNOWN;
ListFormatter::ListEntry entry;
entry["Number"] = stringify(i + 1);
if (akick->nc)
entry["Mask"] = akick->nc->display;
else
entry["Mask"] = akick->mask;
entry["Creator"] = akick->creator;
entry["Created"] = timebuf;
entry["Last used"] = lastused;
entry["Reason"] = akick->reason;
list.AddEntry(entry);
}
}
if (list.IsEmpty())
source.Reply(_("No matching entries on %s autokick list."), ci->name.c_str());
else
{
std::vector<Anope::string> replies;
list.Process(replies);
source.Reply(_("Autokick list for %s:"), ci->name.c_str());
for (unsigned i = 0; i < replies.size(); ++i)
source.Reply(replies[i]);
source.Reply(_("End of autokick list"));
}
}
void DoList(CommandSource &source, ChannelInfo *ci, const std::vector<Anope::string> &params)
{
if (!ci->GetAkickCount())
{
source.Reply(_("%s autokick list is empty."), ci->name.c_str());
return;
}
ListFormatter list(source.GetAccount());
list.AddColumn(_("Number")).AddColumn(_("Mask")).AddColumn(_("Reason"));
this->ProcessList(source, ci, params, list);
}
void DoView(CommandSource &source, ChannelInfo *ci, const std::vector<Anope::string> &params)
{
if (!ci->GetAkickCount())
{
source.Reply(_("%s autokick list is empty."), ci->name.c_str());
return;
}
ListFormatter list(source.GetAccount());
list.AddColumn(_("Number")).AddColumn(_("Mask")).AddColumn(_("Creator")).AddColumn(_("Created")).AddColumn(_("Last used")).AddColumn(_("Reason"));
this->ProcessList(source, ci, params, list);
}
void DoEnforce(CommandSource &source, ChannelInfo *ci)
{
Channel *c = ci->c;
if (!c)
{
source.Reply(CHAN_X_NOT_IN_USE, ci->name.c_str());
return;
}
this->Enforce(source, ci);
}
void DoClear(CommandSource &source, ChannelInfo *ci)
{
bool override = !source.AccessFor(ci).HasPriv("AKICK");
Log(override ? LOG_OVERRIDE : LOG_COMMAND, source, this, ci) << "to clear the akick list";
ci->ClearAkick();
source.Reply(_("Channel %s akick list has been cleared."), ci->name.c_str());
}
public:
CommandCSAKick(Module *creator) : Command(creator, "chanserv/akick", 2, 4)
{
this->SetDesc(_("Maintain the AutoKick list"));
this->SetSyntax(_("\037channel\037 ADD {\037nick\037 | \037mask\037} [\037reason\037]"));
this->SetSyntax(_("\037channel\037 DEL {\037nick\037 | \037mask\037 | \037entry-num\037 | \037list\037}"));
this->SetSyntax(_("\037channel\037 LIST [\037mask\037 | \037entry-num\037 | \037list\037]"));
this->SetSyntax(_("\037channel\037 VIEW [\037mask\037 | \037entry-num\037 | \037list\037]"));
this->SetSyntax(_("\037channel\037 ENFORCE"));
this->SetSyntax(_("\037channel\037 CLEAR"));
}
void Execute(CommandSource &source, const std::vector<Anope::string> &params) anope_override
{
Anope::string chan = params[0];
Anope::string cmd = params[1];
Anope::string mask = params.size() > 2 ? params[2] : "";
ChannelInfo *ci = ChannelInfo::Find(params[0]);
if (ci == NULL)
{
source.Reply(CHAN_X_NOT_REGISTERED, params[0].c_str());
return;
}
bool is_list = cmd.equals_ci("LIST") || cmd.equals_ci("VIEW");
bool has_access = false;
if (source.AccessFor(ci).HasPriv("AKICK") || source.HasPriv("chanserv/access/modify"))
has_access = true;
else if (is_list && source.HasPriv("chanserv/access/list"))
has_access = true;
if (mask.empty() && (cmd.equals_ci("ADD") || cmd.equals_ci("DEL")))
this->OnSyntaxError(source, cmd);
else if (!has_access)
source.Reply(ACCESS_DENIED);
else if (!cmd.equals_ci("LIST") && !cmd.equals_ci("VIEW") && !cmd.equals_ci("ENFORCE") && Anope::ReadOnly)
source.Reply(_("Sorry, channel autokick list modification is temporarily disabled."));
else if (cmd.equals_ci("ADD"))
this->DoAdd(source, ci, params);
else if (cmd.equals_ci("DEL"))
this->DoDel(source, ci, params);
else if (cmd.equals_ci("LIST"))
this->DoList(source, ci, params);
else if (cmd.equals_ci("VIEW"))
this->DoView(source, ci, params);
else if (cmd.equals_ci("ENFORCE"))
this->DoEnforce(source, ci);
else if (cmd.equals_ci("CLEAR"))
this->DoClear(source, ci);
else
this->OnSyntaxError(source, "");
return;
}
bool OnHelp(CommandSource &source, const Anope::string &subcommand) anope_override
{
BotInfo *bi = Config->GetClient("NickServ");
this->SendSyntax(source);
source.Reply(" ");
source.Reply(_("Maintains the \002AutoKick list\002 for a channel. If a user\n"
"on the AutoKick list attempts to join the channel,\n"
"%s will ban that user from the channel, then kick\n"
"the user.\n"
" \n"
"The \002AKICK ADD\002 command adds the given nick or usermask\n"
"to the AutoKick list. If a \037reason\037 is given with\n"
"the command, that reason will be used when the user is\n"
"kicked; if not, the default reason is \"User has been\n"
"banned from the channel\".\n"
"When akicking a \037registered nick\037 the %s account\n"
"will be added to the akick list instead of the mask.\n"
"All users within that nickgroup will then be akicked.\n"),
source.service->nick.c_str(), bi ? bi->nick.c_str() : "NickServ");
source.Reply(_(
" \n"
"The \002AKICK DEL\002 command removes the given nick or mask\n"
"from the AutoKick list. It does not, however, remove any\n"
"bans placed by an AutoKick; those must be removed\n"
"manually.\n"
" \n"
"The \002AKICK LIST\002 command displays the AutoKick list, or\n"
"optionally only those AutoKick entries which match the\n"
"given mask.\n"
" \n"
"The \002AKICK VIEW\002 command is a more verbose version of the\n"
"\002AKICK LIST\002 command.\n"
" \n"
"The \002AKICK ENFORCE\002 command causes %s to enforce the\n"
"current AKICK list by removing those users who match an\n"
"AKICK mask.\n"
" \n"
"The \002AKICK CLEAR\002 command clears all entries of the\n"
"akick list."), source.service->nick.c_str());
return true;
}
};
class CSAKick : public Module
{
CommandCSAKick commandcsakick;
public:
CSAKick(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, VENDOR),
commandcsakick(this)
{
}
EventReturn OnCheckKick(User *u, Channel *c, Anope::string &mask, Anope::string &reason) anope_override
{
if (!c->ci || c->MatchesList(u, "EXCEPT"))
return EVENT_CONTINUE;
for (unsigned j = 0, end = c->ci->GetAkickCount(); j < end; ++j)
{
AutoKick *autokick = c->ci->GetAkick(j);
bool kick = false;
if (autokick->nc)
kick = autokick->nc == u->Account();
else if (IRCD->IsChannelValid(autokick->mask))
{
Channel *chan = Channel::Find(autokick->mask);
kick = chan != NULL && chan->FindUser(u);
}
else
kick = Entry("BAN", autokick->mask).Matches(u);
if (kick)
{
Log(LOG_DEBUG_2) << u->nick << " matched akick " << (autokick->nc ? autokick->nc->display : autokick->mask);
autokick->last_used = Anope::CurTime;
if (!autokick->nc && autokick->mask.find('#') == Anope::string::npos)
mask = autokick->mask;
reason = autokick->reason;
if (reason.empty())
{
reason = Language::Translate(u, Config->GetModule(this)->Get<const Anope::string>("autokickreason").c_str());
reason = reason.replace_all_cs("%n", u->nick)
.replace_all_cs("%c", c->name);
}
if (reason.empty())
reason = Language::Translate(u, _("User has been banned from the channel"));
return EVENT_STOP;
}
}
return EVENT_CONTINUE;
}
};
MODULE_INIT(CSAKick)
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