#include "invite.h"
#include "listmode.h"
+namespace
+{
+/** Hook that sends a MODE after a JOIN if the user in the JOIN has some modes prefix set.
+ * This happens e.g. when modules such as operprefix explicitly set prefix modes on the joining
+ * user, or when a member with prefix modes does a host cycle.
+ */
+class JoinHook : public ClientProtocol::EventHook
+{
+ ClientProtocol::Messages::Mode modemsg;
+ Modes::ChangeList modechangelist;
+ const User* joininguser;
+
+ public:
+ /** If true, MODE changes after JOIN will be sourced from the user, rather than the server
+ */
+ bool modefromuser;
+
+ JoinHook(Module* mod)
+ : ClientProtocol::EventHook(mod, "JOIN")
+ {
+ }
+
+ void OnEventInit(const ClientProtocol::Event& ev) CXX11_OVERRIDE
+ {
+ const ClientProtocol::Events::Join& join = static_cast<const ClientProtocol::Events::Join&>(ev);
+ const Membership& memb = *join.GetMember();
+
+ modechangelist.clear();
+ for (std::string::const_iterator i = memb.modes.begin(); i != memb.modes.end(); ++i)
+ {
+ PrefixMode* const pm = ServerInstance->Modes.FindPrefixMode(*i);
+ if (!pm)
+ continue; // Shouldn't happen
+ modechangelist.push_add(pm, memb.user->nick);
+ }
+
+ if (modechangelist.empty())
+ {
+ // Member got no modes on join
+ joininguser = NULL;
+ return;
+ }
+
+ joininguser = memb.user;
+
+ // Prepare a mode protocol event that we can append to the message list in OnPreEventSend()
+ modemsg.SetParams(memb.chan, NULL, modechangelist);
+ if (modefromuser)
+ modemsg.SetSource(join);
+ else
+ modemsg.SetSourceUser(ServerInstance->FakeClient);
+ }
+
+ ModResult OnPreEventSend(LocalUser* user, const ClientProtocol::Event& ev, ClientProtocol::MessageList& messagelist) CXX11_OVERRIDE
+ {
+ // If joininguser is NULL then they didn't get any modes on join, skip.
+ // Also don't show their own modes to them, they get that in the NAMES list not via MODE.
+ if ((joininguser) && (user != joininguser))
+ messagelist.push_back(&modemsg);
+ return MOD_RES_PASSTHRU;
+ }
+};
+
+}
+
class CoreModChannel : public Module, public CheckExemption::EventListener
{
Invite::APIImpl invapi;
CommandKick cmdkick;
CommandNames cmdnames;
CommandTopic cmdtopic;
+ Events::ModuleEventProvider evprov;
+ JoinHook joinhook;
ModeChannelBan banmode;
SimpleChannelModeHandler inviteonlymode;
public:
CoreModChannel()
- : CheckExemption::EventListener(this)
+ : CheckExemption::EventListener(this, UINT_MAX)
, invapi(this)
, cmdinvite(this, invapi)
, cmdjoin(this)
, cmdkick(this)
, cmdnames(this)
, cmdtopic(this)
+ , evprov(this, "event/channel")
+ , joinhook(this)
, banmode(this)
, inviteonlymode(this, "inviteonly", 'i')
, keymode(this)
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* optionstag = ServerInstance->Config->ConfValue("options");
- Implementation events[] = { I_OnCheckKey, I_OnCheckLimit, I_OnCheckChannelBan };
- if (optionstag->getBool("invitebypassmodes", true))
- ServerInstance->Modules.Attach(events, this, sizeof(events)/sizeof(Implementation));
- else
- {
- for (unsigned int i = 0; i < sizeof(events)/sizeof(Implementation); i++)
- ServerInstance->Modules.Detach(events[i], this);
- }
std::string current;
irc::spacesepstream defaultstream(optionstag->getString("exemptchanops"));
ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Exempting prefix %c from %s", prefix, restriction.c_str());
exempts[restriction] = prefix;
}
- exemptions.swap(exempts);
+
+ ConfigTag* securitytag = ServerInstance->Config->ConfValue("security");
+ const std::string announceinvites = securitytag->getString("announceinvites", "dynamic");
+ Invite::AnnounceState newannouncestate;
+ if (stdalgo::string::equalsci(announceinvites, "none"))
+ newannouncestate = Invite::ANNOUNCE_NONE;
+ else if (stdalgo::string::equalsci(announceinvites, "all"))
+ newannouncestate = Invite::ANNOUNCE_ALL;
+ else if (stdalgo::string::equalsci(announceinvites, "ops"))
+ newannouncestate = Invite::ANNOUNCE_OPS;
+ else if (stdalgo::string::equalsci(announceinvites, "dynamic"))
+ newannouncestate = Invite::ANNOUNCE_DYNAMIC;
+ else
+ throw ModuleException(announceinvites + " is an invalid <security:announceinvites> value, at " + securitytag->getTagLocation());
+
+ // Config is valid, apply it
+
+ // Validates and applies <maxlist> tags, so do it first
banmode.DoRehash();
+
+ exemptions.swap(exempts);
+ // In 2.0 we allowed limits of 0 to be set. This is non-standard behaviour
+ // and will be removed in the next major release.
+ limitmode.minlimit = optionstag->getBool("allowzerolimit", true) ? 0 : 1;;
+ cmdinvite.announceinvites = newannouncestate;
+ joinhook.modefromuser = optionstag->getBool("cyclehostsfromuser");
+
+ Implementation events[] = { I_OnCheckKey, I_OnCheckLimit, I_OnCheckChannelBan };
+ if (optionstag->getBool("invitebypassmodes", true))
+ ServerInstance->Modules.Attach(events, this, sizeof(events)/sizeof(Implementation));
+ else
+ {
+ for (unsigned int i = 0; i < sizeof(events)/sizeof(Implementation); i++)
+ ServerInstance->Modules.Detach(events[i], this);
+ }
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
+ tokens["KEYLEN"] = ConvToStr(ModeChannelKey::maxkeylen);
+
// Build a map of limits to their mode character.
insp::flat_map<int, std::string> limits;
const ModeParser::ListModeList& listmodes = ServerInstance->Modes->GetListModes();
if (!buffer.empty())
buffer.push_back(',');
- buffer.append(iter->second);
+ std::string modes(iter->second);
+ std::sort(modes.begin(), modes.end());
+
+ buffer.append(modes);
buffer.push_back(':');
buffer.append(ConvToStr(iter->first));
}
}
+ ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string&, std::string&, const std::string& keygiven) CXX11_OVERRIDE
+ {
+ if (!chan)
+ return MOD_RES_PASSTHRU;
+
+ // Check whether the channel key is correct.
+ const std::string ckey = chan->GetModeParameter(&keymode);
+ if (!ckey.empty())
+ {
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnCheckKey, MOD_RESULT, (user, chan, keygiven));
+ if (!MOD_RESULT.check(InspIRCd::TimingSafeCompare(ckey, keygiven)))
+ {
+ // If no key provided, or key is not the right one, and can't bypass +k (not invited or option not enabled)
+ user->WriteNumeric(ERR_BADCHANNELKEY, chan->name, "Cannot join channel (incorrect channel key)");
+ return MOD_RES_DENY;
+ }
+ }
+
+ // Check whether the invite only mode is set.
+ if (chan->IsModeSet(inviteonlymode))
+ {
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnCheckInvite, MOD_RESULT, (user, chan));
+ if (MOD_RESULT != MOD_RES_ALLOW)
+ {
+ user->WriteNumeric(ERR_INVITEONLYCHAN, chan->name, "Cannot join channel (invite only)");
+ return MOD_RES_DENY;
+ }
+ }
+
+ // Check whether the limit would be exceeded by this user joining.
+ if (chan->IsModeSet(limitmode))
+ {
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnCheckLimit, MOD_RESULT, (user, chan));
+ if (!MOD_RESULT.check(chan->GetUserCounter() < static_cast<size_t>(limitmode.ext.get(chan))))
+ {
+ user->WriteNumeric(ERR_CHANNELISFULL, chan->name, "Cannot join channel (channel is full)");
+ return MOD_RES_DENY;
+ }
+ }
+
+ // Everything looks okay.
+ return MOD_RES_PASSTHRU;
+ }
+
void OnPostJoin(Membership* memb) CXX11_OVERRIDE
{
Channel* const chan = memb->chan;
// Remove existing invite, if any
invapi.Remove(localuser, chan);
- if (chan->topicset)
+ if (chan->topic.length())
Topic::ShowTopic(localuser, chan);
// Show all members of the channel, including invisible (+i) users
void Prioritize() CXX11_OVERRIDE
{
ServerInstance->Modules.SetPriority(this, I_OnPostJoin, PRIORITY_FIRST);
+ ServerInstance->Modules.SetPriority(this, I_OnUserPreJoin, PRIORITY_LAST);
}
Version GetVersion() CXX11_OVERRIDE
projects / user / henk / code / inspircd.git / blobdiff