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-rw-r--r--src/channels.cpp332
1 files changed, 81 insertions, 251 deletions
diff --git a/src/channels.cpp b/src/channels.cpp
index 19b1281d5..bc23c680a 100644
--- a/src/channels.cpp
+++ b/src/channels.cpp
@@ -25,8 +25,6 @@
#include "inspircd.h"
#include "listmode.h"
-#include <cstdarg>
-#include "mode.h"
namespace
{
@@ -34,9 +32,6 @@ namespace
ChanModeReference inviteonlymode(NULL, "inviteonly");
ChanModeReference keymode(NULL, "key");
ChanModeReference limitmode(NULL, "limit");
- ChanModeReference secretmode(NULL, "secret");
- ChanModeReference privatemode(NULL, "private");
- UserModeReference invisiblemode(NULL, "invisible");
}
Channel::Channel(const std::string &cname, time_t ts)
@@ -51,29 +46,37 @@ void Channel::SetMode(ModeHandler* mh, bool on)
modes[mh->GetId()] = on;
}
-void Channel::SetTopic(User* u, const std::string& ntopic)
+void Channel::SetTopic(User* u, const std::string& ntopic, time_t topicts, const std::string* setter)
{
- this->topic.assign(ntopic, 0, ServerInstance->Config->Limits.MaxTopic);
- this->setby.assign(ServerInstance->Config->FullHostInTopic ? u->GetFullHost() : u->nick, 0, 128);
- this->WriteChannel(u, "TOPIC %s :%s", this->name.c_str(), this->topic.c_str());
- this->topicset = ServerInstance->Time();
+ // Send a TOPIC message to the channel only if the new topic text differs
+ if (this->topic != ntopic)
+ {
+ this->topic = ntopic;
+ this->WriteChannel(u, "TOPIC %s :%s", this->name.c_str(), this->topic.c_str());
+ }
+
+ // Always update setter and set time
+ if (!setter)
+ setter = ServerInstance->Config->FullHostInTopic ? &u->GetFullHost() : &u->nick;
+ this->setby.assign(*setter, 0, ServerInstance->Config->Limits.GetMaxMask());
+ this->topicset = topicts;
FOREACH_MOD(OnPostTopicChange, (u, this, this->topic));
}
Membership* Channel::AddUser(User* user)
{
- Membership*& memb = userlist[user];
- if (memb)
+ std::pair<MemberMap::iterator, bool> ret = userlist.insert(std::make_pair(user, insp::aligned_storage<Membership>()));
+ if (!ret.second)
return NULL;
- memb = new Membership(user, this);
+ Membership* memb = new(ret.first->second) Membership(user, this);
return memb;
}
void Channel::DelUser(User* user)
{
- UserMembIter it = userlist.find(user);
+ MemberMap::iterator it = userlist.find(user);
if (it != userlist.end())
DelUser(it);
}
@@ -88,23 +91,21 @@ void Channel::CheckDestroy()
if (res == MOD_RES_DENY)
return;
+ // If the channel isn't in chanlist then it is already in the cull list, don't add it again
chan_hash::iterator iter = ServerInstance->chanlist.find(this->name);
- /* kill the record */
- if (iter != ServerInstance->chanlist.end())
- {
- FOREACH_MOD(OnChannelDelete, (this));
- ServerInstance->chanlist.erase(iter);
- }
+ if ((iter == ServerInstance->chanlist.end()) || (iter->second != this))
+ return;
- ClearInvites();
+ FOREACH_MOD(OnChannelDelete, (this));
+ ServerInstance->chanlist.erase(iter);
ServerInstance->GlobalCulls.AddItem(this);
}
-void Channel::DelUser(const UserMembIter& membiter)
+void Channel::DelUser(const MemberMap::iterator& membiter)
{
Membership* memb = membiter->second;
memb->cull();
- delete memb;
+ memb->~Membership();
userlist.erase(membiter);
// If this channel became empty then it should be removed
@@ -113,7 +114,7 @@ void Channel::DelUser(const UserMembIter& membiter)
Membership* Channel::GetUser(User* user)
{
- UserMembIter i = userlist.find(user);
+ MemberMap::iterator i = userlist.find(user);
if (i == userlist.end())
return NULL;
return i->second;
@@ -137,11 +138,19 @@ void Channel::SetDefaultModes()
if (mode->IsPrefixMode())
continue;
- if (mode->GetNumParams(true))
+ if (mode->NeedsParam(true))
+ {
list.GetToken(parameter);
+ // If the parameter begins with a ':' then it's invalid
+ if (parameter.c_str()[0] == ':')
+ continue;
+ }
else
parameter.clear();
+ if ((mode->NeedsParam(true)) && (parameter.empty()))
+ continue;
+
mode->OnModeChange(ServerInstance->FakeClient, ServerInstance->FakeClient, this, parameter, true);
}
}
@@ -172,14 +181,14 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co
{
unsigned int opermaxchans = ConvToInt(user->oper->getConfig("maxchans"));
// If not set, use 2.0's <channels:opers>, if that's not set either, use limit from CC
- if (!opermaxchans)
+ if (!opermaxchans && user->HasPrivPermission("channels/high-join-limit"))
opermaxchans = ServerInstance->Config->OperMaxChans;
if (opermaxchans)
maxchans = opermaxchans;
}
if (user->chans.size() >= maxchans)
{
- user->WriteNumeric(ERR_TOOMANYCHANNELS, "%s :You are on too many channels", cname.c_str());
+ user->WriteNumeric(ERR_TOOMANYCHANNELS, cname, "You are on too many channels");
return NULL;
}
}
@@ -233,16 +242,13 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co
if (MOD_RESULT == MOD_RES_PASSTHRU)
{
std::string ckey = chan->GetModeParameter(keymode);
- bool invited = user->IsInvited(chan);
- bool can_bypass = ServerInstance->Config->InvBypassModes && invited;
-
if (!ckey.empty())
{
FIRST_MOD_RESULT(OnCheckKey, MOD_RESULT, (user, chan, key));
- if (!MOD_RESULT.check((ckey == key) || can_bypass))
+ if (!MOD_RESULT.check(InspIRCd::TimingSafeCompare(ckey, key)))
{
// 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, "%s :Cannot join channel (Incorrect channel key)", chan->name.c_str());
+ user->WriteNumeric(ERR_BADCHANNELKEY, chan->name, "Cannot join channel (Incorrect channel key)");
return NULL;
}
}
@@ -250,9 +256,9 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co
if (chan->IsModeSet(inviteonlymode))
{
FIRST_MOD_RESULT(OnCheckInvite, MOD_RESULT, (user, chan));
- if (!MOD_RESULT.check(invited))
+ if (MOD_RESULT != MOD_RES_ALLOW)
{
- user->WriteNumeric(ERR_INVITEONLYCHAN, "%s :Cannot join channel (Invite only)", chan->name.c_str());
+ user->WriteNumeric(ERR_INVITEONLYCHAN, chan->name, "Cannot join channel (Invite only)");
return NULL;
}
}
@@ -261,27 +267,18 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co
if (!limit.empty())
{
FIRST_MOD_RESULT(OnCheckLimit, MOD_RESULT, (user, chan));
- if (!MOD_RESULT.check((chan->GetUserCounter() < atol(limit.c_str()) || can_bypass)))
+ if (!MOD_RESULT.check((chan->GetUserCounter() < atol(limit.c_str()))))
{
- user->WriteNumeric(ERR_CHANNELISFULL, "%s :Cannot join channel (Channel is full)", chan->name.c_str());
+ user->WriteNumeric(ERR_CHANNELISFULL, chan->name, "Cannot join channel (Channel is full)");
return NULL;
}
}
- if (chan->IsBanned(user) && !can_bypass)
+ if (chan->IsBanned(user))
{
- user->WriteNumeric(ERR_BANNEDFROMCHAN, "%s :Cannot join channel (You're banned)", chan->name.c_str());
+ user->WriteNumeric(ERR_BANNEDFROMCHAN, chan->name, "Cannot join channel (You're banned)");
return NULL;
}
-
- /*
- * If the user has invites for this channel, remove them now
- * after a successful join so they don't build up.
- */
- if (invited)
- {
- user->RemoveInvite(chan);
- }
}
}
}
@@ -292,17 +289,17 @@ Channel* Channel::JoinUser(LocalUser* user, std::string cname, bool override, co
return chan;
}
-void Channel::ForceJoin(User* user, const std::string* privs, bool bursting, bool created_by_local)
+Membership* Channel::ForceJoin(User* user, const std::string* privs, bool bursting, bool created_by_local)
{
if (IS_SERVER(user))
{
ServerInstance->Logs->Log("CHANNELS", LOG_DEBUG, "Attempted to join server user " + user->uuid + " to channel " + this->name);
- return;
+ return NULL;
}
Membership* memb = this->AddUser(user);
if (!memb)
- return; // Already on the channel
+ return NULL; // Already on the channel
user->chans.push_front(memb);
@@ -339,17 +336,8 @@ void Channel::ForceJoin(User* user, const std::string* privs, bool bursting, boo
this->WriteAllExcept(user, !ServerInstance->Config->CycleHostsFromUser, 0, except_list, "MODE %s +%s", this->name.c_str(), ms.c_str());
}
- if (IS_LOCAL(user))
- {
- if (this->topicset)
- {
- user->WriteNumeric(RPL_TOPIC, "%s :%s", this->name.c_str(), this->topic.c_str());
- user->WriteNumeric(RPL_TOPICTIME, "%s %s %lu", this->name.c_str(), this->setby.c_str(), (unsigned long)this->topicset);
- }
- this->UserList(user);
- }
-
FOREACH_MOD(OnPostJoin, (memb));
+ return memb;
}
bool Channel::IsBanned(User* user)
@@ -389,10 +377,10 @@ bool Channel::CheckBan(User* user, const std::string& mask)
return false;
const std::string nickIdent = user->nick + "!" + user->ident;
- std::string prefix = mask.substr(0, at);
+ std::string prefix(mask, 0, at);
if (InspIRCd::Match(nickIdent, prefix, NULL))
{
- std::string suffix = mask.substr(at + 1);
+ std::string suffix(mask, at + 1);
if (InspIRCd::Match(user->host, suffix, NULL) ||
InspIRCd::Match(user->dhost, suffix, NULL) ||
InspIRCd::MatchCIDR(user->GetIPString(), suffix, NULL))
@@ -425,71 +413,34 @@ ModResult Channel::GetExtBanStatus(User *user, char type)
* Remove a channel from a users record, remove the reference to the Membership object
* from the channel and destroy it.
*/
-void Channel::PartUser(User *user, std::string &reason)
+bool Channel::PartUser(User* user, std::string& reason)
{
- UserMembIter membiter = userlist.find(user);
-
- if (membiter != userlist.end())
- {
- Membership* memb = membiter->second;
- CUList except_list;
- FOREACH_MOD(OnUserPart, (memb, reason, except_list));
-
- WriteAllExcept(user, false, 0, except_list, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str());
-
- // Remove this channel from the user's chanlist
- user->chans.erase(memb);
- // Remove the Membership from this channel's userlist and destroy it
- this->DelUser(membiter);
- }
-}
+ MemberMap::iterator membiter = userlist.find(user);
-void Channel::KickUser(User* src, User* victim, const std::string& reason, Membership* srcmemb)
-{
- UserMembIter victimiter = userlist.find(victim);
- Membership* memb = ((victimiter != userlist.end()) ? victimiter->second : NULL);
+ if (membiter == userlist.end())
+ return false;
- if (!memb)
- {
- src->WriteNumeric(ERR_USERNOTINCHANNEL, "%s %s :They are not on that channel", victim->nick.c_str(), this->name.c_str());
- return;
- }
+ Membership* memb = membiter->second;
+ CUList except_list;
+ FOREACH_MOD(OnUserPart, (memb, reason, except_list));
- // Do the following checks only if the KICK is done by a local user;
- // each server enforces its own rules.
- if (IS_LOCAL(src))
- {
- // Modules are allowed to explicitly allow or deny kicks done by local users
- ModResult res;
- FIRST_MOD_RESULT(OnUserPreKick, res, (src,memb,reason));
- if (res == MOD_RES_DENY)
- return;
+ WriteAllExcept(user, false, 0, except_list, "PART %s%s%s", this->name.c_str(), reason.empty() ? "" : " :", reason.c_str());
- if (res == MOD_RES_PASSTHRU)
- {
- if (!srcmemb)
- srcmemb = GetUser(src);
- unsigned int them = srcmemb ? srcmemb->getRank() : 0;
- unsigned int req = HALFOP_VALUE;
- for (std::string::size_type i = 0; i < memb->modes.length(); i++)
- {
- ModeHandler* mh = ServerInstance->Modes->FindMode(memb->modes[i], MODETYPE_CHANNEL);
- if (mh && mh->GetLevelRequired() > req)
- req = mh->GetLevelRequired();
- }
+ // Remove this channel from the user's chanlist
+ user->chans.erase(memb);
+ // Remove the Membership from this channel's userlist and destroy it
+ this->DelUser(membiter);
- if (them < req)
- {
- src->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s :You must be a channel %soperator",
- this->name.c_str(), req > HALFOP_VALUE ? "" : "half-");
- return;
- }
- }
- }
+ return true;
+}
+void Channel::KickUser(User* src, const MemberMap::iterator& victimiter, const std::string& reason)
+{
+ Membership* memb = victimiter->second;
CUList except_list;
FOREACH_MOD(OnUserKick, (src, memb, reason, except_list));
+ User* victim = memb->user;
WriteAllExcept(src, false, 0, except_list, "KICK %s %s :%s", name.c_str(), victim->nick.c_str(), reason.c_str());
victim->chans.erase(memb);
@@ -507,7 +458,7 @@ void Channel::WriteChannel(User* user, const std::string &text)
{
const std::string message = ":" + user->GetFullHost() + " " + text;
- for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ for (MemberMap::iterator i = userlist.begin(); i != userlist.end(); i++)
{
if (IS_LOCAL(i->first))
i->first->Write(message);
@@ -525,7 +476,7 @@ void Channel::WriteChannelWithServ(const std::string& ServName, const std::strin
{
const std::string message = ":" + (ServName.empty() ? ServerInstance->Config->ServerName : ServName) + " " + text;
- for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ for (MemberMap::iterator i = userlist.begin(); i != userlist.end(); i++)
{
if (IS_LOCAL(i->first))
i->first->Write(message);
@@ -564,7 +515,7 @@ void Channel::RawWriteAllExcept(User* user, bool serversource, char status, CULi
if (mh)
minrank = mh->GetPrefixRank();
}
- for (UserMembIter i = userlist.begin(); i != userlist.end(); i++)
+ for (MemberMap::iterator i = userlist.begin(); i != userlist.end(); i++)
{
if (IS_LOCAL(i->first) && (except_list.find(i->first) == except_list.end()))
{
@@ -619,64 +570,11 @@ const char* Channel::ChanModes(bool showkey)
return scratch.c_str();
}
-/* compile a userlist of a channel into a string, each nick seperated by
- * spaces and op, voice etc status shown as @ and +, and send it to 'user'
- */
-void Channel::UserList(User* user, bool has_user)
-{
- bool has_privs = user->HasPrivPermission("channels/auspex");
- std::string list;
- list.push_back(this->IsModeSet(secretmode) ? '@' : this->IsModeSet(privatemode) ? '*' : '=');
- list.push_back(' ');
- list.append(this->name).append(" :");
- std::string::size_type pos = list.size();
-
- const size_t maxlen = ServerInstance->Config->Limits.MaxLine - 10 - ServerInstance->Config->ServerName.size();
- std::string prefixlist;
- std::string nick;
- for (UserMembIter i = userlist.begin(); i != userlist.end(); ++i)
- {
- if ((!has_user) && (i->first->IsModeSet(invisiblemode)) && (!has_privs))
- {
- /*
- * user is +i, and source not on the channel, does not show
- * nick in NAMES list
- */
- continue;
- }
-
- Membership* memb = i->second;
-
- prefixlist.clear();
- char prefix = memb->GetPrefixChar();
- if (prefix)
- prefixlist.push_back(prefix);
- nick = i->first->nick;
-
- ModResult res;
- FIRST_MOD_RESULT(OnNamesListItem, res, (user, memb, prefixlist, nick));
-
- // See if a module wants us to exclude this user from NAMES
- if (res == MOD_RES_DENY)
- continue;
-
- if (list.size() + prefixlist.length() + nick.length() + 1 > maxlen)
- {
- /* list overflowed into multiple numerics */
- user->WriteNumeric(RPL_NAMREPLY, list);
-
- // Erase all nicks, keep the constant part
- list.erase(pos);
- }
-
- list.append(prefixlist).append(nick).push_back(' ');
- }
-
- // Only send the user list numeric if there is at least one user in it
- if (list.size() != pos)
- user->WriteNumeric(RPL_NAMREPLY, list);
-
- user->WriteNumeric(RPL_ENDOFNAMES, "%s :End of /NAMES list.", this->name.c_str());
+void Channel::WriteNotice(const std::string& text)
+{
+ std::string rawmsg = "NOTICE ";
+ rawmsg.append(this->name).append(" :").append(text);
+ WriteChannelWithServ(ServerInstance->Config->ServerName, rawmsg);
}
/* returns the status character for a given user on a channel, e.g. @ for op,
@@ -713,25 +611,22 @@ unsigned int Membership::getRank()
return rv;
}
-const char* Membership::GetAllPrefixChars() const
+std::string Membership::GetAllPrefixChars() const
{
- static char prefix[64];
- int ctr = 0;
-
+ std::string ret;
for (std::string::const_iterator i = modes.begin(); i != modes.end(); ++i)
{
PrefixMode* mh = ServerInstance->Modes->FindPrefixMode(*i);
if (mh && mh->GetPrefix())
- prefix[ctr++] = mh->GetPrefix();
+ ret.push_back(mh->GetPrefix());
}
- prefix[ctr] = 0;
- return prefix;
+ return ret;
}
unsigned int Channel::GetPrefixValue(User* user)
{
- UserMembIter m = userlist.find(user);
+ MemberMap::iterator m = userlist.find(user);
if (m == userlist.end())
return 0;
return m->second->getRank();
@@ -756,68 +651,3 @@ bool Membership::SetPrefix(PrefixMode* delta_mh, bool adding)
modes.push_back(prefix);
return adding;
}
-
-void Invitation::Create(Channel* c, LocalUser* u, time_t timeout)
-{
- if ((timeout != 0) && (ServerInstance->Time() >= timeout))
- // Expired, don't bother
- return;
-
- ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Create chan=%s user=%s", c->name.c_str(), u->uuid.c_str());
-
- Invitation* inv = Invitation::Find(c, u, false);
- if (inv)
- {
- if ((inv->expiry == 0) || (inv->expiry > timeout))
- return;
- inv->expiry = timeout;
- ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Create changed expiry in existing invitation %p", (void*) inv);
- }
- else
- {
- inv = new Invitation(c, u, timeout);
- c->invites.push_front(inv);
- u->invites.push_front(inv);
- ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Create created new invitation %p", (void*) inv);
- }
-}
-
-Invitation* Invitation::Find(Channel* c, LocalUser* u, bool check_expired)
-{
- ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Find chan=%s user=%s check_expired=%d", c ? c->name.c_str() : "NULL", u ? u->uuid.c_str() : "NULL", check_expired);
-
- Invitation* result = NULL;
- for (InviteList::iterator i = u->invites.begin(); i != u->invites.end(); )
- {
- Invitation* inv = *i;
- ++i;
-
- if ((check_expired) && (inv->expiry != 0) && (inv->expiry <= ServerInstance->Time()))
- {
- /* Expired invite, remove it. */
- std::string expiration = InspIRCd::TimeString(inv->expiry);
- ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Find ecountered expired entry: %p expired %s", (void*) inv, expiration.c_str());
- delete inv;
- }
- else
- {
- /* Is it what we're searching for? */
- if (inv->chan == c)
- {
- result = inv;
- break;
- }
- }
- }
-
- ServerInstance->Logs->Log("INVITATION", LOG_DEBUG, "Invitation::Find result=%p", (void*) result);
- return result;
-}
-
-Invitation::~Invitation()
-{
- // Remove this entry from both lists
- chan->invites.erase(this);
- user->invites.erase(this);
- ServerInstance->Logs->Log("INVITEBASE", LOG_DEBUG, "Invitation::~ %p", (void*) this);
-}