* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2008 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-using namespace std;
+/* $Core */
+/* $ExtraDeps: $(RELCPPFILES) */
+/* $ExtraObjects: modes/modeclasses.a */
+/* $ExtraBuild: @${MAKE} -C "modes" DIRNAME="src/modes" CC="$(CC)" $(MAKEARGS) CPPFILES="$(CPPFILES)" */
-#include "inspircd_config.h"
#include "inspircd.h"
-#include "configreader.h"
-#include <unistd.h>
-#include <sys/errno.h>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include "connection.h"
-#include "users.h"
-#include "ctables.h"
-#include "globals.h"
-#include "modules.h"
-#include "dynamic.h"
-#include "wildcard.h"
-#include "message.h"
-#include "commands.h"
-#include "xline.h"
#include "inspstring.h"
-#include "helperfuncs.h"
-#include "mode.h"
-
-extern int MODCOUNT;
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern InspIRCd* ServerInstance;
-extern ServerConfig* Config;
-extern time_t TIME;
-
-ModeHandler::ModeHandler(char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly) : mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly)
+/* +s (secret) */
+#include "modes/cmode_s.h"
+/* +p (private) */
+#include "modes/cmode_p.h"
+/* +b (bans) */
+#include "modes/cmode_b.h"
+/* +m (moderated) */
+#include "modes/cmode_m.h"
+/* +t (only (half) ops can change topic) */
+#include "modes/cmode_t.h"
+/* +n (no external messages) */
+#include "modes/cmode_n.h"
+/* +i (invite only) */
+#include "modes/cmode_i.h"
+/* +k (keyed channel) */
+#include "modes/cmode_k.h"
+/* +l (channel user limit) */
+#include "modes/cmode_l.h"
+/* +o (channel op) */
+#include "modes/cmode_o.h"
+/* +h (channel halfop) */
+#include "modes/cmode_h.h"
+/* +v (channel voice) */
+#include "modes/cmode_v.h"
+/* +w (see wallops) */
+#include "modes/umode_w.h"
+/* +i (invisible) */
+#include "modes/umode_i.h"
+/* +o (operator) */
+#include "modes/umode_o.h"
+/* +s (server notice masks) */
+#include "modes/umode_s.h"
+
+ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly, char mprefix, char prefixrequired)
+ : ServerInstance(Instance), mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), oper(operonly), prefix(mprefix), count(0), prefixneeded(prefixrequired)
{
}
return list;
}
+char ModeHandler::GetNeededPrefix()
+{
+ return prefixneeded;
+}
+
+void ModeHandler::SetNeededPrefix(char needsprefix)
+{
+ prefixneeded = needsprefix;
+}
+
+unsigned int ModeHandler::GetPrefixRank()
+{
+ return 0;
+}
+
+unsigned int ModeHandler::GetCount()
+{
+ return 0;
+}
+
+void ModeHandler::ChangeCount(int modifier)
+{
+ count += modifier;
+ ServerInstance->Logs->Log("MODE", DEBUG,"Change count for mode %c is now %d", mode, count);
+}
+
ModeType ModeHandler::GetModeType()
{
return m_type;
return oper;
}
+char ModeHandler::GetPrefix()
+{
+ return prefix;
+}
+
int ModeHandler::GetNumParams(bool adding)
{
return adding ? n_params_on : n_params_off;
return mode;
}
-ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
+std::string ModeHandler::GetUserParameter(User* user)
+{
+ return "";
+}
+
+ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool, bool)
{
return MODEACTION_DENY;
}
-void ModeHandler::DisplayList(userrec* user, chanrec* channel)
+ModePair ModeHandler::ModeSet(User*, User* dest, Channel* channel, const std::string&)
+{
+ if (dest)
+ {
+ return std::make_pair(dest->IsModeSet(this->mode), "");
+ }
+ else
+ {
+ return std::make_pair(channel->IsModeSet(this->mode), "");
+ }
+}
+
+void ModeHandler::DisplayList(User*, Channel*)
+{
+}
+
+void ModeHandler::DisplayEmptyList(User*, Channel*)
{
}
-bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel)
+void ModeHandler::OnParameterMissing(User* user, User* dest, Channel* channel)
+{
+}
+
+bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string&, const std::string&, Channel*)
{
return (ours < theirs);
}
-ModeWatcher::ModeWatcher(char modeletter, ModeType type) : mode(modeletter), m_type(type)
+SimpleUserModeHandler::SimpleUserModeHandler(InspIRCd* Instance, char modeletter) : ModeHandler(Instance, modeletter, 0, 0, false, MODETYPE_USER, false)
+{
+}
+
+SimpleUserModeHandler::~SimpleUserModeHandler()
+{
+}
+
+SimpleChannelModeHandler::~SimpleChannelModeHandler()
+{
+}
+
+SimpleChannelModeHandler::SimpleChannelModeHandler(InspIRCd* Instance, char modeletter) : ModeHandler(Instance, modeletter, 0, 0, false, MODETYPE_CHANNEL, false)
+{
+}
+
+ModeAction SimpleUserModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool servermode)
+{
+ /* Only opers can change other users modes */
+ if (source != dest)
+ return MODEACTION_DENY;
+
+ if (adding)
+ {
+ if (!dest->IsModeSet(this->GetModeChar()))
+ {
+ dest->SetMode(this->GetModeChar(),true);
+ return MODEACTION_ALLOW;
+ }
+ }
+ else
+ {
+ if (dest->IsModeSet(this->GetModeChar()))
+ {
+ dest->SetMode(this->GetModeChar(),false);
+ return MODEACTION_ALLOW;
+ }
+ }
+
+ return MODEACTION_DENY;
+}
+
+
+ModeAction SimpleChannelModeHandler::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool servermode)
+{
+ if (adding)
+ {
+ if (!channel->IsModeSet(this->GetModeChar()))
+ {
+ channel->SetMode(this->GetModeChar(),true);
+ return MODEACTION_ALLOW;
+ }
+ }
+ else
+ {
+ if (channel->IsModeSet(this->GetModeChar()))
+ {
+ channel->SetMode(this->GetModeChar(),false);
+ return MODEACTION_ALLOW;
+ }
+ }
+
+ return MODEACTION_DENY;
+}
+
+ModeWatcher::ModeWatcher(InspIRCd* Instance, char modeletter, ModeType type) : ServerInstance(Instance), mode(modeletter), m_type(type)
{
}
return m_type;
}
-bool ModeWatcher::BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding, ModeType type)
+bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType, bool)
{
return true;
}
-void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter, bool adding, ModeType type)
+void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType, bool)
{
}
-userrec* ModeParser::SanityChecks(userrec *user,char *dest,chanrec *chan,int status)
+User* ModeParser::SanityChecks(User *user, const char *dest, Channel *chan, int)
{
- userrec *d;
+ User *d;
if ((!user) || (!dest) || (!chan) || (!*dest))
{
return NULL;
}
- d = Find(dest);
+ d = ServerInstance->FindNick(dest);
if (!d)
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), dest);
return NULL;
}
return d;
}
-char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
+const char* ModeParser::Grant(User *d,Channel *chan,int MASK)
{
if (!chan)
- return NULL;
+ return "";
- for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
+ UCListIter n = d->chans.find(chan);
+ if (n != d->chans.end())
{
- if (((ucrec*)(*i))->channel == chan)
+ if (n->second & MASK)
{
- if (((ucrec*)(*i))->uc_modes & MASK)
- {
- return NULL;
- }
- ((ucrec*)(*i))->uc_modes = ((ucrec*)(*i))->uc_modes | MASK;
- switch (MASK)
- {
- case UCMODE_OP:
- ((ucrec*)(*i))->channel->AddOppedUser(d);
- break;
- case UCMODE_HOP:
- ((ucrec*)(*i))->channel->AddHalfoppedUser(d);
- break;
- case UCMODE_VOICE:
- ((ucrec*)(*i))->channel->AddVoicedUser(d);
- break;
- }
- log(DEBUG,"grant: %s %s",((ucrec*)(*i))->channel->name,d->nick);
- return d->nick;
+ return "";
+ }
+ n->second = n->second | MASK;
+ switch (MASK)
+ {
+ case UCMODE_OP:
+ n->first->AddOppedUser(d);
+ break;
+ case UCMODE_HOP:
+ n->first->AddHalfoppedUser(d);
+ break;
+ case UCMODE_VOICE:
+ n->first->AddVoicedUser(d);
+ break;
}
+ return d->nick.c_str();
}
- return NULL;
+ return "";
}
-char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
+const char* ModeParser::Revoke(User *d,Channel *chan,int MASK)
{
if (!chan)
- return NULL;
+ return "";
- for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
+ UCListIter n = d->chans.find(chan);
+ if (n != d->chans.end())
{
- if (((ucrec*)(*i))->channel == chan)
+ if ((n->second & MASK) == 0)
{
- if ((((ucrec*)(*i))->uc_modes & MASK) == 0)
- {
- return NULL;
- }
- ((ucrec*)(*i))->uc_modes ^= MASK;
- switch (MASK)
- {
- case UCMODE_OP:
- ((ucrec*)(*i))->channel->DelOppedUser(d);
- break;
- case UCMODE_HOP:
- ((ucrec*)(*i))->channel->DelHalfoppedUser(d);
- break;
- case UCMODE_VOICE:
- ((ucrec*)(*i))->channel->DelVoicedUser(d);
- break;
- }
- log(DEBUG,"revoke: %s %s",((ucrec*)(*i))->channel->name,d->nick);
- return d->nick;
+ return "";
}
- }
- return NULL;
-}
-
-char* ModeParser::GiveOps(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
- {
- if (IS_LOCAL(user))
+ n->second ^= MASK;
+ switch (MASK)
{
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_OP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_OP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
+ case UCMODE_OP:
+ n->first->DelOppedUser(d);
+ break;
+ case UCMODE_HOP:
+ n->first->DelHalfoppedUser(d);
+ break;
+ case UCMODE_VOICE:
+ n->first->DelVoicedUser(d);
+ break;
}
-
- return this->Grant(d,chan,UCMODE_OP);
+ return d->nick.c_str();
}
- return NULL;
+ return "";
}
-char* ModeParser::GiveHops(userrec *user,char *dest,chanrec *chan,int status)
+void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
+ if (targetchannel)
{
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_HALFOP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_OP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Grant(d,chan,UCMODE_HOP);
+ /* Display channel's current mode string */
+ user->WriteNumeric(RPL_CHANNELMODEIS, "%s %s +%s",user->nick.c_str(), targetchannel->name.c_str(), targetchannel->ChanModes(targetchannel->HasUser(user)));
+ user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age);
+ return;
}
- return NULL;
-}
-
-char* ModeParser::GiveVoice(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
+ else if (targetuser)
{
- if (IS_LOCAL(user))
+ if (targetuser->Visibility && !targetuser->Visibility->VisibleTo(user))
{
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_VOICE));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_HOP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
- return NULL;
- }
- }
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), text);
+ return;
}
- return this->Grant(d,chan,UCMODE_VOICE);
+ if (targetuser == user || user->HasPrivPermission("users/auspex"))
+ {
+ /* Display user's current mode string */
+ user->WriteNumeric(RPL_UMODEIS, "%s :+%s",targetuser->nick.c_str(),targetuser->FormatModes());
+ if (IS_OPER(targetuser))
+ user->WriteNumeric(RPL_SNOMASKIS, "%s +%s :Server notice mask", targetuser->nick.c_str(), targetuser->FormatNoticeMasks());
+ return;
+ }
+ else
+ {
+ user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
+ return;
+ }
}
- return NULL;
+
+ /* No such nick/channel */
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), text);
+ return;
}
-char* ModeParser::TakeOps(userrec *user,char *dest,chanrec *chan,int status)
+void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool servermode)
{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
+ std::string target = parameters[0];
+ ModeType type = MODETYPE_USER;
+ unsigned char mask = 0;
+ Channel* targetchannel = ServerInstance->FindChan(parameters[0]);
+ User* targetuser = ServerInstance->FindNick(parameters[0]);
+
+ LastParse.clear();
+
+ /* Special case for displaying the list for listmodes,
+ * e.g. MODE #chan b, or MODE #chan +b without a parameter
+ */
+ if ((targetchannel) && (parameters.size() == 2))
{
- if (IS_LOCAL(user))
+ const char* mode = parameters[1].c_str();
+ int nonlistmodes_found = 0;
+
+ seq++;
+
+ mask = MASK_CHANNEL;
+
+ while (mode && *mode)
{
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEOP));
+ unsigned char mletter = *mode;
+
+ if (*mode == '+')
+ {
+ mode++;
+ continue;
+ }
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
+ /* Ensure the user doesnt request the same mode twice,
+ * so they cant flood themselves off out of idiocy.
+ */
+ if (sent[mletter] != seq)
{
- if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
- {
- WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
- return NULL;
- }
+ sent[mletter] = seq;
+ }
+ else
+ {
+ mode++;
+ continue;
}
- }
- return this->Revoke(d,chan,UCMODE_OP);
- }
- return NULL;
-}
+ ModeHandler *mh = this->FindMode(*mode, MODETYPE_CHANNEL);
+ bool display = true;
-char* ModeParser::TakeHops(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
- {
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEHALFOP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
+ if ((mh) && (mh->IsListMode()))
{
- /* Tweak by Brain suggested by w00t, allow a halfop to dehalfop themselves */
- if ((user != d) && ((status < STATUS_OP) && (!is_uline(user->server))))
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, *mode, "", true, 0));
+ if (MOD_RESULT == ACR_DENY)
{
- WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
- return NULL;
+ mode++;
+ continue;
}
- }
- }
-
- return this->Revoke(d,chan,UCMODE_HOP);
- }
- return NULL;
-}
-
-char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
- if (d)
- {
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEVOICE));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_HOP) && (!is_uline(user->server)))
+ if (!user->HasPrivPermission("channels/auspex"))
{
- WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
- return NULL;
+ if (ServerInstance->Config->HideModeLists[mletter] && (targetchannel->GetStatus(user) < STATUS_HOP))
+ {
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only half-operators and above may view the +%c list",user->nick.c_str(), targetchannel->name.c_str(), *mode++);
+ mh->DisplayEmptyList(user, targetchannel);
+ continue;
+ }
}
- }
- }
- return this->Revoke(d,chan,UCMODE_VOICE);
- }
- return NULL;
-}
+ /** See below for a description of what craq this is :D
+ */
+ unsigned char handler_id = (*mode - 65) | mask;
-char* ModeParser::AddBan(userrec *user,char *dest,chanrec *chan,int status)
-{
- BanItem b;
- int toomanyexclamation = 0;
- int toomanyat = 0;
+ for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
+ {
+ std::string dummyparam;
+
+ if (!((*watchers)->BeforeMode(user, NULL, targetchannel, dummyparam, true, MODETYPE_CHANNEL)))
+ display = false;
+ }
- if ((!user) || (!dest) || (!chan) || (!*dest))
- {
- log(DEFAULT,"*** BUG *** AddBan was given an invalid parameter");
- return NULL;
- }
+ if (display)
+ mh->DisplayList(user, targetchannel);
+ }
+ else
+ nonlistmodes_found++;
- for (char* i = dest; *i; i++)
- {
- if ((*i < 32) || (*i > 126))
- {
- return NULL;
+ mode++;
}
- else if (*i == '!')
- {
- toomanyexclamation++;
- }
- else if (*i == '@')
- {
- toomanyat++;
- }
- }
-
- if (toomanyexclamation != 1 || toomanyat != 1)
- /*
- * this stops sillyness like n!u!u!u@h, though note that most
- * ircds don't actually verify banmask validity. --w00t
- */
- return NULL;
-
- long maxbans = GetMaxBans(chan->name);
- if ((unsigned)chan->bans.size() > (unsigned)maxbans)
- {
- WriteServ(user->fd,"478 %s %s :Channel ban list for %s is full (maximum entries for this channel is %d)",user->nick, chan->name,chan->name,maxbans);
- return NULL;
- }
-
- log(DEBUG,"AddBan: %s %s",chan->name,user->nick);
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAddBan,OnAddBan(user,chan,dest));
- if (MOD_RESULT)
- return NULL;
-
- TidyBan(dest);
- for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
- {
- if (!strcasecmp(i->data,dest))
- {
- // dont allow a user to set the same ban twice
- return NULL;
- }
+ /* We didnt have any modes that were non-list, we can return here */
+ if (!nonlistmodes_found)
+ return;
}
- b.set_time = TIME;
- strlcpy(b.data,dest,MAXBUF);
- if (*user->nick)
- {
- strlcpy(b.set_by,user->nick,NICKMAX-1);
- }
- else
+ if (parameters.size() == 1)
{
- strlcpy(b.set_by,Config->ServerName,NICKMAX-1);
- }
- chan->bans.push_back(b);
- return dest;
-}
-
-char* ModeParser::TakeBan(userrec *user,char *dest,chanrec *chan,int status)
-{
- if ((!user) || (!dest) || (!chan) || (!*dest)) {
- log(DEFAULT,"*** BUG *** TakeBan was given an invalid parameter");
- return 0;
+ this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0].c_str());
}
-
- log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
- for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
+ else if (parameters.size() > 1)
{
- if (!strcasecmp(i->data,dest))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnDelBan,OnDelBan(user,chan,dest));
- if (MOD_RESULT)
- return NULL;
- chan->bans.erase(i);
- return dest;
- }
- }
- return NULL;
-}
-
-void ModeParser::Process(char **parameters, int pcnt, userrec *user)
-{
- std::string target = parameters[0];
- ModeType type = MODETYPE_USER;
- chanrec* targetchannel = FindChan(parameters[0]);
- userrec* targetuser = Find(parameters[0]);
+ bool SkipAccessChecks = false;
- if (pcnt > 1)
- {
if (targetchannel)
{
type = MODETYPE_CHANNEL;
+ mask = MASK_CHANNEL;
+
+ /* Extra security checks on channel modes
+ * (e.g. are they a (half)op?
+ */
+
+ if ((IS_LOCAL(user)) && (!ServerInstance->ULine(user->server)) && (!servermode))
+ {
+ /* We don't have halfop */
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, targetchannel, AC_GENERAL_MODE));
+ if (MOD_RESULT == ACR_DENY)
+ return;
+ SkipAccessChecks = (MOD_RESULT == ACR_ALLOW);
+ }
}
else if (targetuser)
{
type = MODETYPE_USER;
+ mask = MASK_USER;
+ if ((user != targetuser) && (!ServerInstance->ULine(user->server)))
+ {
+ user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str());
+ return;
+ }
}
else
{
/* No such nick/channel */
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str());
return;
}
+
std::string mode_sequence = parameters[1];
- std::string parameter = "";
- std::istringstream parameter_list;
- std::string output_sequence = "";
+ std::string parameter;
+ std::ostringstream parameter_list;
+ std::string output_sequence;
bool adding = true, state_change = false;
- int handler_id = 0;
- int parameter_counter = 2; /* Index of first parameter */
+ unsigned char handler_id = 0;
+ unsigned int parameter_counter = 2; /* Index of first parameter */
+ unsigned int parameter_count = 0;
+ bool last_successful_state_change = false;
+
+ /* A mode sequence that doesnt start with + or -. Assume +. - Thanks for the suggestion spike (bug#132) */
+ if ((*mode_sequence.begin() != '+') && (*mode_sequence.begin() != '-'))
+ mode_sequence.insert(0, "+");
- for (std::string::const_iterator modeletter = mode_sequence.begin(); modeletter != mode_sequence.end(); modeletter++)
+ for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
{
- switch (*modeletter)
+ unsigned char modechar = *letter;
+
+ switch (modechar)
{
/* NB:
* For + and - mode characters, we don't just stick the character into the output sequence.
if ((!adding) || (!output_sequence.length()))
state_change = true;
adding = true;
+ if (!output_sequence.length())
+ last_successful_state_change = false;
continue;
break;
case '-':
if ((adding) || (!output_sequence.length()))
state_change = true;
adding = false;
+ if (!output_sequence.length())
+ last_successful_state_change = true;
continue;
break;
default:
- if (state_change)
- output_sequence.append(adding ? "+" : "-");
- handler_id = *modeletter-65;
- state_change = false;
+ /**
+ * Watch carefully for the sleight of hand trick.
+ * 65 is the ascii value of 'A'. We take this from
+ * the char we're looking at to get a number between
+ * 1 and 127. We then logic-or it to get the hashed
+ * position, dependent on wether its a channel or
+ * a user mode. This is a little stranger, but a lot
+ * faster, than using a map of pairs.
+ */
+ handler_id = (modechar - 65) | mask;
if (modehandlers[handler_id])
{
bool abort = false;
- for (std::vector<ModeWatcher*>::iterator watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
- {
- if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
- abort = true;
- }
- if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
+
+ if (modehandlers[handler_id]->GetModeType() == type)
{
+ int MOD_RESULT = 0;
+
if (modehandlers[handler_id]->GetNumParams(adding))
{
- if (pcnt < parameter_counter)
+ /* This mode expects a parameter, do we have any parameters left in our list to use? */
+ if (parameter_counter < parameters.size())
{
parameter = parameters[parameter_counter++];
+
+ /* Yerk, invalid! */
+ if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
+ parameter.clear();
}
else
{
- parameter = "";
+ /* No parameter, continue to the next mode */
+ modehandlers[handler_id]->OnParameterMissing(user, targetuser, targetchannel);
+ continue;
}
+
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, parameter, adding, 1, servermode));
}
- ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
- if (ma == MODEACTION_ALLOW)
+ else
{
- output_sequence = output_sequence + *modeletter;
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, "", adding, 0, servermode));
+ }
+
+ if (IS_LOCAL(user) && (MOD_RESULT == ACR_DENY))
+ continue;
- if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != ""))
+ if (!SkipAccessChecks && IS_LOCAL(user) && (MOD_RESULT != ACR_ALLOW))
+ {
+ /* Check access to this mode character */
+ if ((type == MODETYPE_CHANNEL) && (modehandlers[handler_id]->GetNeededPrefix()))
{
- parameter = " " + parameter;
- parameter_list >> parameter;
+ char needed = modehandlers[handler_id]->GetNeededPrefix();
+ ModeHandler* prefixmode = FindPrefix(needed);
+
+ /* If the mode defined by the handler is not '\0', but the handler for it
+ * cannot be found, they probably dont have the right module loaded to implement
+ * the prefix they want to compare the mode against, e.g. '&' for m_chanprotect.
+ * Revert to checking against the minimum core prefix, '%'.
+ */
+ if (needed && !prefixmode)
+ prefixmode = FindPrefix('%');
+
+ unsigned int neededrank = prefixmode->GetPrefixRank();
+ /* Compare our rank on the channel against the rank of the required prefix,
+ * allow if >= ours. Because mIRC and xchat throw a tizz if the modes shown
+ * in NAMES(X) are not in rank order, we know the most powerful mode is listed
+ * first, so we don't need to iterate, we just look up the first instead.
+ */
+ std::string modestring = targetchannel->GetAllPrefixChars(user);
+ char ml = (modestring.empty() ? '\0' : modestring[0]);
+ ModeHandler* ourmode = FindPrefix(ml);
+ if (!ourmode || ourmode->GetPrefixRank() < neededrank)
+ {
+ /* Bog off */
+ user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :You must have channel privilege %c or above to %sset channel mode %c",
+ user->nick.c_str(), targetchannel->name.c_str(), needed, adding ? "" : "un", modechar);
+ continue;
+ }
}
+ }
- for (std::vector<ModeWatcher*>::iterator watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
+ bool had_parameter = !parameter.empty();
+
+ for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
+ {
+ if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type, servermode) == false)
+ {
+ abort = true;
+ break;
+ }
+ /* A module whacked the parameter completely, and there was one. abort. */
+ if ((had_parameter) && (parameter.empty()))
{
- (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type);
+ abort = true;
+ break;
}
}
- }
- }
- break;
- }
- }
- }
-}
-
-std::string ModeParser::CompressModes(std::string modes,bool channelmodes)
-{
- return "";
-}
-
-void ModeParser::ProcessModes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
-{
- if ((!parameters) || (pcnt < 2)) {
- return;
- }
-
- char outlist[MAXBUF];
- char mlist[MAXBUF];
- char *outpars[32];
- int param = 2;
- int pc = 0;
- int ptr = 0;
- int mdir = 1;
- char* r = NULL;
- bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
-
- int MOD_RESULT = 0;
-
- if (IS_LOCAL(user))
- {
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
- if (MOD_RESULT == ACR_DENY)
- return;
- }
-
- std::string tidied = this->CompressModes(parameters[1],true);
- strlcpy(mlist,tidied.c_str(),MAXBUF);
- char* modelist = mlist;
-
- *outlist = *modelist;
- char* outl = outlist+1;
-
- mdir = (*modelist == '+');
- log(DEBUG,"process_modes: modelist: %s",modelist);
+ if (abort)
+ continue;
- int len = tidied.length();
- while (modelist[len-1] == ' ')
- modelist[--len] = '\0';
-
- for (char* modechar = (modelist + 1); *modechar; ptr++, modechar++)
- {
- r = NULL;
-
- /* If we have more than MAXMODES changes in one line,
- * drop all after the MAXMODES
- */
- if (pc > MAXMODES-1)
- break;
+ /* If it's disabled, they have to be an oper.
+ */
+ if (IS_LOCAL(user) && !IS_OPER(user) && ((type == MODETYPE_CHANNEL ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes)[modehandlers[handler_id]->GetModeChar() - 'A']))
+ {
+ user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - %s mode %c has been locked by the administrator",
+ user->nick.c_str(),
+ type == MODETYPE_CHANNEL ? "channel" : "user",
+ modehandlers[handler_id]->GetModeChar());
+ continue;
+ }
+ /* It's an oper only mode, check if theyre an oper. If they arent,
+ * eat any parameter that came with the mode, and continue to next
+ */
+ if (adding && (IS_LOCAL(user)) && (modehandlers[handler_id]->NeedsOper()) && (!user->HasModePermission(modehandlers[handler_id]->GetModeChar(), type)))
+ {
+ if (IS_OPER(user))
+ {
+ user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
+ user->nick.c_str(),
+ user->oper.c_str(),
+ type == MODETYPE_CHANNEL ? "channel" : "user",
+ modehandlers[handler_id]->GetModeChar());
+ }
+ else
+ {
+ user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c",
+ user->nick.c_str(),
+ type == MODETYPE_CHANNEL ? "channel" : "user",
+ modehandlers[handler_id]->GetModeChar());
+ }
+ continue;
+ }
-
- switch (*modechar)
- {
- case '-':
- *outl++ = '-';
- mdir = 0;
- break;
-
- case '+':
- *outl++ = '+';
- mdir = 1;
- break;
+ /* Call the handler for the mode */
+ ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding, servermode);
- case 'o':
- log(DEBUG,"Ops");
- if ((param >= pcnt)) break;
- log(DEBUG,"Enough parameters left");
- r = NULL;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = GiveOps(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'o', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = TakeOps(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- *outl++ = 'o';
- outpars[pc++] = r;
- }
- break;
-
- case 'h':
- if (((param >= pcnt)) || (!Config->AllowHalfop)) break;
- r = NULL;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = GiveHops(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'h', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = TakeHops(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- *outl++ = 'h';
- outpars[pc++] = r;
- }
- break;
-
-
- case 'v':
- if ((param >= pcnt)) break;
- r = NULL;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = GiveVoice(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'v', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = TakeVoice(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- *outl++ = 'v';
- outpars[pc++] = r;
- }
- break;
-
- case 'b':
- if ((param >= pcnt)) break;
- r = NULL;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = AddBan(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'b', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = TakeBan(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- *outl++ = 'b';
- outpars[pc++] = parameters[param-1];
- }
- break;
+ if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter.empty()))
+ {
+ /* The handler nuked the parameter and they are supposed to have one.
+ * We CANT continue now, even if they actually returned MODEACTION_ALLOW,
+ * so we bail to the next mode character.
+ */
+ continue;
+ }
+ if (ma == MODEACTION_ALLOW)
+ {
+ /* We're about to output a valid mode letter - was there previously a pending state-change? */
+ if (state_change)
+ {
+ if (adding != last_successful_state_change)
+ output_sequence.append(adding ? "+" : "-");
+ last_successful_state_change = adding;
+ }
+
+ /* Add the mode letter */
+ output_sequence.push_back(modechar);
- case 'k':
- if ((param >= pcnt))
- break;
+ modehandlers[handler_id]->ChangeCount(adding ? 1 : -1);
- if (mdir == 1)
- {
- if (k_set)
- break;
+ /* Is there a valid parameter for this mode? If so add it to the parameter list */
+ if ((modehandlers[handler_id]->GetNumParams(adding)) && (!parameter.empty()))
+ {
+ parameter_list << " " << parameter;
+ parameter_count++;
+ /* Does this mode have a prefix? */
+ if (modehandlers[handler_id]->GetPrefix() && targetchannel)
+ {
+ User* user_to_prefix = ServerInstance->FindNick(parameter);
+ if (user_to_prefix)
+ targetchannel->SetPrefix(user_to_prefix, modehandlers[handler_id]->GetPrefix(),
+ modehandlers[handler_id]->GetPrefixRank(), adding);
+ }
+ }
- if (previously_unset_k)
- break;
- previously_set_k = true;
-
- if (!chan->modes[CM_KEY])
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- *outl++ = 'k';
- char key[MAXBUF];
- strlcpy(key,parameters[param++],32);
- outpars[pc++] = key;
- strlcpy(chan->key,key,MAXBUF);
- chan->modes[CM_KEY] = 1;
- k_set = true;
- }
- else param++;
- }
- }
- else
- {
- /* checks on -k are case sensitive and only accurate to the
- first 32 characters */
- if (previously_set_k)
- break;
- previously_unset_k = true;
-
- char key[MAXBUF];
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'k', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- strlcpy(key,parameters[param++],32);
- /* only allow -k if correct key given */
- if (!strcmp(chan->key,key))
- {
- *outl++ = 'k';
- *chan->key = 0;
- chan->modes[CM_KEY] = 0;
- outpars[pc++] = key;
- }
- }
- else param++;
- }
- break;
-
- case 'l':
- if (mdir == 0)
- {
- if (previously_set_l)
- break;
- previously_unset_l = true;
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', "", false, 0));
- if (!MOD_RESULT)
- {
- if (chan->modes[CM_LIMIT])
- {
- *outl++ = 'l';
- chan->limit = 0;
- chan->modes[CM_LIMIT] = 0;
- }
- }
- }
-
- if ((param >= pcnt)) break;
- if (mdir == 1)
- {
- if (l_set)
- break;
- if (previously_unset_l)
- break;
- previously_set_l = true;
- bool invalid = false;
- for (char* f = parameters[param]; *f; f++)
- {
- if ((*f < '0') || (*f > '9'))
- {
- invalid = true;
- }
- }
- /* If the limit is < 1, or the new limit is the current limit, dont allow */
- if ((atoi(parameters[param]) < 1) || ((chan->limit > 0) && (atoi(parameters[param]) == chan->limit)))
- {
- invalid = true;
- }
+ /* Call all the AfterMode events in the mode watchers for this mode */
+ for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
+ (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type, servermode);
- if (invalid)
- break;
+ /* Reset the state change flag */
+ state_change = false;
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'l', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
-
- chan->limit = atoi(parameters[param]);
-
- // reported by mech: large values cause underflow
- if (chan->limit < 0)
- chan->limit = 0x7FFF;
- }
-
- if (chan->limit)
- {
- *outl++ = 'l';
- chan->modes[CM_LIMIT] = 1;
- outpars[pc++] = parameters[param++];
- l_set = true;
- }
- }
- break;
-
- case 'i':
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'i', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->modes[CM_INVITEONLY])) *outl++ = 'i';
- chan->modes[CM_INVITEONLY] = 1;
- }
- else
- {
- if (chan->modes[CM_INVITEONLY]) *outl++ = 'i';
- chan->modes[CM_INVITEONLY] = 0;
- }
- }
- break;
-
- case 't':
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 't', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->modes[CM_TOPICLOCK])) *outl++ = 't';
- chan->modes[CM_TOPICLOCK] = 1;
- }
- else
- {
- if (chan->modes[CM_TOPICLOCK]) *outl++ = 't';
- chan->modes[CM_TOPICLOCK] = 0;
- }
- }
- break;
-
- case 'n':
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'n', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->modes[CM_NOEXTERNAL])) *outl++ = 'n';
- chan->modes[CM_NOEXTERNAL] = 1;
- }
- else
- {
- if (chan->modes[CM_NOEXTERNAL]) *outl++ = 'n';
- chan->modes[CM_NOEXTERNAL] = 0;
- }
- }
- break;
-
- case 'm':
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'm', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->modes[CM_MODERATED])) *outl++ = 'm';
- chan->modes[CM_MODERATED] = 1;
- }
- else
- {
- if (chan->modes[CM_MODERATED]) *outl++ = 'm';
- chan->modes[CM_MODERATED] = 0;
- }
- }
- break;
-
- case 's':
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 's', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->modes[CM_SECRET])) *outl++ = 's';
- chan->modes[CM_SECRET] = 1;
- if (chan->modes[CM_PRIVATE])
- {
- chan->modes[CM_PRIVATE] = 0;
- if (mdir)
- {
- *outl++ = '-'; *outl++ = 'p'; *outl++ = '+';
+ if ((output_sequence.length() + parameter_list.str().length() > 450) || (output_sequence.length() > 100)
+ || (parameter_count > ServerInstance->Config->Limits.MaxModes))
+ {
+ /* We cant have a mode sequence this long */
+ letter = mode_sequence.end() - 1;
+ continue;
+ }
}
}
}
else
{
- if (chan->modes[CM_SECRET]) *outl++ = 's';
- chan->modes[CM_SECRET] = 0;
+ /* No mode handler? Unknown mode character then. */
+ user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
}
- }
- break;
-
- case 'p':
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, 'p', "", mdir, 0));
- if(!MOD_RESULT)
- {
- if(mdir)
- {
- if(!(chan->modes[CM_PRIVATE]))
- *outl++ = 'p';
-
- chan->modes[CM_PRIVATE] = 1;
-
- if(chan->modes[CM_SECRET])
- {
- chan->modes[CM_SECRET] = 0;
-
- *outl++ = '-';
- *outl++ = 's';
- *outl++ = '+';
- }
- }
- else
- {
- if(chan->modes[CM_PRIVATE])
- *outl++ = 'p';
-
- chan->modes[CM_PRIVATE] = 0;
- }
- }
break;
-
- default:
- string_list p;
- p.clear();
- bool x = chan->modes[*modechar-65];
- if ((!x && !mdir) || (x && mdir))
- {
- if (!ModeIsListMode(*modechar,MT_CHANNEL))
- {
- log(DEBUG,"Mode %c isnt set on %s but trying to remove!",*modechar,chan->name);
- break;
- }
- }
- if (ModeDefined(*modechar,MT_CHANNEL))
- {
- /* A module has claimed this mode */
- if (param<pcnt)
- {
- if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
- {
- p.push_back(parameters[param]);
- }
- if ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir))
- {
- p.push_back(parameters[param]);
- }
- }
- bool handled = false;
- if (param>=pcnt)
- {
- // we're supposed to have a parameter, but none was given... so dont handle the mode.
- if (((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(*modechar,MT_CHANNEL)>0) && (!mdir)))
- {
- log(DEBUG,"Not enough parameters for module-mode %c",*modechar);
- handled = true;
- param++;
- }
- }
- // BIG ASS IDIOTIC CODER WARNING!
- // Using OnRawMode on another modules mode's behavour
- // will confuse the crap out of admins! just because you CAN
- // do it, doesnt mean you SHOULD!
- MOD_RESULT = 0;
- std::string para = "";
- if (p.size())
- para = p[0];
-
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *modechar, para, mdir, pcnt));
- if(!MOD_RESULT)
- {
- for (int i = 0; i <= MODCOUNT; i++)
- {
- if (!handled)
- {
- int t = modules[i]->OnExtendedMode(user,chan,*modechar,MT_CHANNEL,mdir,p);
- if (t != 0)
- {
- log(DEBUG,"OnExtendedMode returned nonzero for a module");
- if (ModeIsListMode(*modechar,MT_CHANNEL))
- {
- if (t == -1)
- {
- //pc++;
- param++;
- }
- else
- {
- if (param < pcnt)
- {
- *outl++ = *modechar;
- }
- outpars[pc++] = parameters[param++];
- }
- }
- else
- {
- *outl++ = *modechar;
- chan->SetCustomMode(*modechar,mdir);
- // include parameters in output if mode has them
- if ((ModeDefinedOn(*modechar,MT_CHANNEL)>0) && (mdir))
- {
- if (param < pcnt)
- {
- chan->SetCustomModeParam(*modechar,parameters[param],mdir);
- outpars[pc++] = parameters[param++];
- }
- }
- }
- // break, because only one module can handle the mode.
- handled = true;
- }
- }
- }
- }
- }
- else
- {
- WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,*modechar);
- }
- break;
+ }
}
- }
-
- /* Null terminate it now we're done */
- *outl = 0;
-
-
- /************ Fast, but confusing string tidying ************/
- outl = outlist;
- while (*outl && (*outl < 'A'))
- outl++;
- /* outl now points to the first mode character after +'s and -'s */
- outl--;
- /* Now points at first mode-modifier + or - symbol */
- char* trim = outl;
- /* Now we tidy off any trailing -'s etc */
- while (*trim++);
- trim--;
- while ((*--trim == '+') || (*trim == '-'))
- *trim = 0;
- /************ Done wih the string tidy functions ************/
-
- /* The mode change must be at least two characters long (+ or - and at least one mode) */
- if (((*outl == '+') || (*outl == '-')) && *(outl+1))
- {
- for (ptr = 0; ptr < pc; ptr++)
- {
- charlcat(outl,' ',MAXBUF);
- strlcat(outl,outpars[ptr],MAXBUF-1);
- }
- if (local)
- {
- log(DEBUG,"Local mode change");
- WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outl);
- FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
- }
- else
+ /* Was there at least one valid mode in the sequence? */
+ if (!output_sequence.empty())
{
if (servermode)
{
- if (!silent)
+ if (type == MODETYPE_CHANNEL)
{
- WriteChannelWithServ(Config->ServerName,chan,"MODE %s %s",chan->name,outl);
+ targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s %s%s", targetchannel->name.c_str(), output_sequence.c_str(), parameter_list.str().c_str());
+ this->LastParse = targetchannel->name;
+ }
+ else
+ {
+ targetuser->WriteServ("MODE %s %s%s",targetuser->nick.c_str(),output_sequence.c_str(), parameter_list.str().c_str());
+ this->LastParse = targetuser->nick;
}
-
}
else
{
- if (!silent)
+ if (type == MODETYPE_CHANNEL)
+ {
+ targetchannel->WriteChannel(user, "MODE %s %s%s", targetchannel->name.c_str(), output_sequence.c_str(), parameter_list.str().c_str());
+ FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, output_sequence + parameter_list.str()));
+ this->LastParse = targetchannel->name;
+ }
+ else
{
- WriteChannel(chan,user,"MODE %s %s",chan->name,outl);
- FOREACH_MOD(I_OnMode,OnMode(user, chan, TYPE_CHANNEL, outl));
+ user->WriteTo(targetuser, "MODE %s %s%s", targetuser->nick.c_str(), output_sequence.c_str(), parameter_list.str().c_str());
+ FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence + parameter_list.str()));
+ this->LastParse = targetuser->nick;
}
}
+
+ LastParse.append(" ");
+ LastParse.append(output_sequence);
+ LastParse.append(parameter_list.str());
}
}
}
-// based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
+const std::string& ModeParser::GetLastParse()
+{
+ return LastParse;
+}
-bool ModeParser::AllowedUmode(char umode, char* sourcemodes,bool adding,bool serveroverride)
+void ModeParser::CleanMask(std::string &mask)
{
- bool sourceoper = (strchr(sourcemodes,'o') != NULL);
- log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
- // Servers can +o and -o arbitrarily
- if ((serveroverride == true) && (umode == 'o'))
- {
- return true;
- }
- // RFC1459 specified modes
- if ((umode == 'w') || (umode == 's') || (umode == 'i'))
- {
- /* umode allowed by RFC1459 scemantics */
- return true;
- }
-
- /* user may not +o themselves or others, but an oper may de-oper other opers or themselves */
- if (sourceoper && !adding)
- {
- return true;
- }
- else if (umode == 'o')
+ std::string::size_type pos_of_pling = mask.find_first_of('!');
+ std::string::size_type pos_of_at = mask.find_first_of('@');
+ std::string::size_type pos_of_dot = mask.find_first_of('.');
+ std::string::size_type pos_of_colons = mask.find("::"); /* Because ipv6 addresses are colon delimited -- double so it treats extban as nick */
+
+ if (mask.length() >= 2 && mask[1] == ':')
+ return; // if it's an extban, don't even try guess how it needs to be formed.
+
+ if ((pos_of_pling == std::string::npos) && (pos_of_at == std::string::npos))
{
- /* Bad oper, bad bad! */
- return false;
+ /* Just a nick, or just a host - or clearly ipv6 (starting with :) */
+ if ((pos_of_dot == std::string::npos) && (pos_of_colons == std::string::npos) && mask[0] != ':')
+ {
+ /* It has no '.' in it, it must be a nick. */
+ mask.append("!*@*");
+ }
+ else
+ {
+ /* Got a dot in it? Has to be a host */
+ mask = "*!*@" + mask;
+ }
}
-
- /* process any module-defined modes that need oper */
- if ((ModeDefinedOper(umode,MT_CLIENT)) && (sourceoper))
+ else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
{
- log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
- return true;
+ /* Has an @ but no !, its a user@host */
+ mask = "*!" + mask;
}
- else if (ModeDefined(umode,MT_CLIENT))
+ else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
{
- // process any module-defined modes that don't need oper
- log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
- if ((ModeDefinedOper(umode,MT_CLIENT)) && (!sourceoper))
- {
- // no, this mode needs oper, and this user 'aint got what it takes!
- return false;
- }
- return true;
+ /* Has a ! but no @, it must be a nick!ident */
+ mask.append("@*");
}
+}
+
+bool ModeParser::AddMode(ModeHandler* mh)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ /* Yes, i know, this might let people declare modes like '_' or '^'.
+ * If they do that, thats their problem, and if i ever EVER see an
+ * official InspIRCd developer do that, i'll beat them with a paddle!
+ */
+ if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z') || (mh->GetPrefix() > 126))
+ return false;
+
+ /* A mode prefix of ',' is not acceptable, it would fuck up server to server.
+ * A mode prefix of ':' will fuck up both server to server, and client to server.
+ * A mode prefix of '#' will mess up /whois and /privmsg
+ */
+ if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':') || (mh->GetPrefix() == '#'))
+ return false;
+
+ mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mh->GetModeChar()-65) | mask;
+
+ if (modehandlers[pos])
+ return false;
- // anything else - return false.
- log(DEBUG,"umode %c not known by any ruleset",umode);
- return false;
+ modehandlers[pos] = mh;
+ return true;
}
-bool ModeParser::ProcessModuleUmode(char umode, userrec* source, void* dest, bool adding)
+bool ModeParser::DelMode(ModeHandler* mh)
{
- userrec* s2;
- bool faked = false;
- if (!source)
- {
- s2 = new userrec;
- strlcpy(s2->nick,Config->ServerName,NICKMAX-1);
- *s2->modes = 'o';
- *(s2->modes+1) = 0;
- s2->fd = -1;
- source = s2;
- faked = true;
- }
- string_list p;
- p.clear();
- if (ModeDefined(umode,MT_CLIENT))
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
+ return false;
+
+ mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mh->GetModeChar()-65) | mask;
+
+ if (!modehandlers[pos])
+ return false;
+
+ /* Note: We can't stack here, as we have modes potentially being removed across many different channels.
+ * To stack here we have to make the algorithm slower. Discuss.
+ */
+ switch (mh->GetModeType())
{
- for (int i = 0; i <= MODCOUNT; i++)
- {
- if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
+ case MODETYPE_USER:
+ for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++)
{
- log(DEBUG,"Module %s claims umode %c",Config->module_names[i].c_str(),umode);
- return true;
+ mh->RemoveMode(i->second);
}
- }
- log(DEBUG,"No module claims umode %c",umode);
- if (faked)
- {
- delete s2;
- source = NULL;
- }
- return false;
+ break;
+ case MODETYPE_CHANNEL:
+ for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
+ {
+ mh->RemoveMode(i->second);
+ }
+ break;
}
- else
+
+ modehandlers[pos] = NULL;
+
+ return true;
+}
+
+ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ if ((modeletter < 'A') || (modeletter > 'z'))
+ return NULL;
+
+ mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (modeletter-65) | mask;
+
+ return modehandlers[pos];
+}
+
+std::string ModeParser::UserModeList()
+{
+ char modestr[256];
+ int pointer = 0;
+
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- if (faked)
- {
- delete s2;
- source = NULL;
- }
- return false;
+ unsigned char pos = (mode-65) | MASK_USER;
+
+ if (modehandlers[pos])
+ modestr[pointer++] = mode;
}
+ modestr[pointer++] = 0;
+ return modestr;
}
-void cmd_mode::Handle (char **parameters, int pcnt, userrec *user)
+std::string ModeParser::ChannelModeList()
{
- chanrec* chan;
- userrec* dest = Find(parameters[0]);
- int MOD_RESULT;
- int can_change;
- int direction = 1;
- char outpars[MAXBUF];
- bool next_ok = true;
-
- if (!user)
- return;
+ char modestr[256];
+ int pointer = 0;
- if ((dest) && (pcnt == 1))
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
- return;
+ if ((!ServerInstance->Config->AllowHalfop) && (mode == 'h'))
+ continue;
+
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
+
+ if (modehandlers[pos])
+ modestr[pointer++] = mode;
}
- else if ((dest) && (pcnt > 1))
+ modestr[pointer++] = 0;
+ return modestr;
+}
+
+std::string ModeParser::ParaModeList()
+{
+ char modestr[256];
+ int pointer = 0;
+
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
- parameters[1] = (char*)tidied.c_str();
+ if ((!ServerInstance->Config->AllowHalfop) && (mode == 'h'))
+ continue;
- char dmodes[MAXBUF];
- strlcpy(dmodes,dest->modes,MAXMODES);
- log(DEBUG,"pulled up dest user modes: %s",dmodes);
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
- can_change = 0;
- if (user != dest)
- {
- if ((*user->oper) || (is_uline(user->server)))
- {
- can_change = 1;
- }
- }
- else
- {
- can_change = 1;
- }
- if (!can_change)
- {
- WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
- return;
- }
-
- outpars[0] = *parameters[1];
- outpars[1] = 0;
- direction = (*parameters[1] == '+');
+ if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true)))
+ modestr[pointer++] = mode;
+ }
+ modestr[pointer++] = 0;
+ return modestr;
+}
- if ((*parameters[1] != '+') && (*parameters[1] != '-'))
- return;
+ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
+{
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ {
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
- for (char* i = parameters[1]; *i; i++)
+ if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
{
- if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
- next_ok = true;
-
- switch (*i)
- {
- case ' ':
- continue;
+ return modehandlers[pos];
+ }
+ }
+ return NULL;
+}
- case '+':
- if ((direction != 1) && (next_ok))
- {
- charlcat(outpars,'+',MAXBUF);
- next_ok = false;
- }
- direction = 1;
- break;
+std::string ModeParser::ModeString(User* user, Channel* channel, bool nick_suffix)
+{
+ std::string types;
+ std::string pars;
- case '-':
- if ((direction != 0) && (next_ok))
- {
- charlcat(outpars,'-',MAXBUF);
- next_ok = false;
- }
- direction = 0;
- break;
+ if (!channel || !user)
+ return "";
- default:
- can_change = 0;
- if (*user->oper)
- {
- can_change = 1;
- }
- else
- {
- if ((*i == 'i') || (*i == 'w') || (*i == 's') || (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,direction,false)))
- {
- can_change = 1;
- }
- }
- if (can_change)
- {
- if (direction == 1)
- {
- if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,false)))
- {
- if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
- {
- charlcat(dmodes,*i,53);
- charlcat(outpars,*i,MAXMODES);
- switch (*i)
- {
- case 'o':
- FOREACH_MOD(I_OnGlobalOper,OnGlobalOper(dest));
- break;
- case 'i':
- dest->modebits |= UM_INVISIBLE;
- break;
- case 's':
- dest->modebits |= UM_SERVERNOTICE;
- break;
- case 'w':
- dest->modebits |= UM_WALLOPS;
- break;
- default:
- break;
- }
- }
- }
- }
- else
- {
- if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,false)) && (strchr(dmodes,*i)))
- {
- if ((ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)) || (*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o'))
- {
- charlcat(outpars,*i,MAXMODES);
- charremove(dmodes,*i);
- switch (*i)
- {
- case 'o':
- *dest->oper = 0;
- DeleteOper(dest);
- break;
- case 'i':
- dest->modebits &= ~UM_INVISIBLE;
- break;
- case 's':
- dest->modebits &= ~UM_SERVERNOTICE;
- break;
- case 'w':
- dest->modebits &= ~UM_WALLOPS;
- break;
- default:
- break;
- }
- }
- }
- }
- }
- break;
- }
- }
- if (*outpars)
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ {
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
+ ModeHandler* mh = modehandlers[pos];
+ if ((mh) && (mh->GetNumParams(true)) && (mh->GetNumParams(false)))
{
- char b[MAXBUF];
- char* z = b;
-
- for (char* i = outpars; *i;)
+ ModePair ret;
+ ret = mh->ModeSet(NULL, user, channel, user->nick);
+ if ((ret.first) && (ret.second == user->nick))
{
- *z++ = *i++;
- if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
- {
- // someones playing silly buggers and trying
- // to put a +- or -+ into the line...
- i++;
- }
- if (!*(i+1))
+ if (nick_suffix)
{
- // Someone's trying to make the last character in
- // the line be a + or - symbol.
- if ((*i == '-') || (*i == '+'))
- {
- i++;
- }
+ pars.append(" ");
+ pars.append(user->nick);
}
+ types.push_back(mh->GetModeChar());
}
- *z = 0;
-
- if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
- {
- WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
- FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
- }
-
- log(DEBUG,"Stripped mode line");
- log(DEBUG,"Line dest is now %s",dmodes);
- strlcpy(dest->modes,dmodes,MAXMODES-1);
-
}
-
- return;
}
+
+ if (nick_suffix)
+ return types+pars;
else
+ return types;
+}
+
+std::string ModeParser::ChanModes()
+{
+ std::string type1; /* Listmodes EXCEPT those with a prefix */
+ std::string type2; /* Modes that take a param when adding or removing */
+ std::string type3; /* Modes that only take a param when adding */
+ std::string type4; /* Modes that dont take a param */
+
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- chan = FindChan(parameters[0]);
- if(chan)
- {
- if (pcnt == 1)
- {
- /* just /modes #channel */
- WriteServ(user->fd,"324 %s %s +%s",user->nick, chan->name, chanmodes(chan, chan->HasUser(user)));
- WriteServ(user->fd,"329 %s %s %d", user->nick, chan->name, chan->created);
- return;
- }
- else if (pcnt == 2)
+ if ((!ServerInstance->Config->AllowHalfop) && (mode == 'h'))
+ continue;
+
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
+ /* One parameter when adding */
+ if (modehandlers[pos])
+ {
+ if (modehandlers[pos]->GetNumParams(true))
{
- char* mode = parameters[1];
-
- MOD_RESULT = 0;
-
- if (*mode == '+')
- mode++;
-
- FOREACH_RESULT(I_OnRawMode,OnRawMode(user, chan, *mode, "", false, 0));
- if(!MOD_RESULT)
+ if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
+ {
+ type1 += modehandlers[pos]->GetModeChar();
+ }
+ else
{
- if (*mode == 'b')
+ /* ... and one parameter when removing */
+ if (modehandlers[pos]->GetNumParams(false))
{
- for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
+ /* But not a list mode */
+ if (!modehandlers[pos]->GetPrefix())
{
- WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, chan->name, i->data, i->set_by, i->set_time);
+ type2 += modehandlers[pos]->GetModeChar();
}
- WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, chan->name);
- return;
}
-
- if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
+ else
{
- // list of items for an extmode
- log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
- FOREACH_MOD(I_OnSendList,OnSendList(user,chan,*mode));
- return;
+ /* No parameters when removing */
+ type3 += modehandlers[pos]->GetModeChar();
}
}
}
-
- if ((IS_LOCAL(user)) && (!is_uline(user->server)) && (!chan->HasUser(user)))
- {
- WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, chan->name);
- return;
- }
-
- MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, chan, AC_GENERAL_MODE));
-
- if(MOD_RESULT == ACR_DENY)
- return;
-
- if(MOD_RESULT == ACR_DEFAULT)
+ else
{
- if ((IS_LOCAL(user)) && (cstatus(user,chan) < STATUS_HOP))
- {
- WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
- return;
- }
+ type4 += modehandlers[pos]->GetModeChar();
}
-
- ServerInstance->ModeGrok->ProcessModes(parameters,user,chan,cstatus(user,chan),pcnt,false,false,false);
- }
- else
- {
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
}
+
}
+
+ return type1 + "," + type2 + "," + type3 + "," + type4;
+}
+
+bool ModeParser::PrefixComparison(prefixtype one, prefixtype two)
+{
+ return one.second > two.second;
}
+std::string ModeParser::BuildPrefixes()
+{
+ std::string mletters;
+ std::string mprefixes;
+ pfxcontainer pfx;
+ std::map<char,char> prefix_to_mode;
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ {
+ if ((!ServerInstance->Config->AllowHalfop) && (mode == 'h'))
+ continue;
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
-void ModeParser::ServerMode(char **parameters, int pcnt, userrec *user)
-{
- chanrec* Ptr;
- userrec* dest = Find(parameters[0]);
- int can_change;
- int direction = 1;
- char outpars[MAXBUF];
- bool next_ok = true;
-
- if ((dest) && (pcnt > 1))
+ if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix()))
+ {
+ pfx.push_back(std::make_pair<char,unsigned int>(modehandlers[pos]->GetPrefix(), modehandlers[pos]->GetPrefixRank()));
+ prefix_to_mode[modehandlers[pos]->GetPrefix()] = modehandlers[pos]->GetModeChar();
+ }
+ }
+
+ sort(pfx.begin(), pfx.end(), ModeParser::PrefixComparison);
+
+ for (pfxcontainer::iterator n = pfx.begin(); n != pfx.end(); n++)
{
- std::string tidied = ServerInstance->ModeGrok->CompressModes(parameters[1],false);
- parameters[1] = (char*)tidied.c_str();
+ mletters = mletters + n->first;
+ mprefixes = mprefixes + prefix_to_mode.find(n->first)->second;
+ }
- char dmodes[MAXBUF];
- strlcpy(dmodes,dest->modes,MAXBUF);
+ return "(" + mprefixes + ")" + mletters;
+}
- outpars[0] = *parameters[1];
- outpars[1] = 0;
- direction = (*parameters[1] == '+');
+bool ModeParser::AddModeWatcher(ModeWatcher* mw)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
- if ((*parameters[1] != '+') && (*parameters[1] != '-'))
- return;
+ if (!mw)
+ return false;
- for (char* i = parameters[1]; *i; i++)
- {
- if ((i != parameters[1]) && (*i != '+') && (*i != '-'))
- next_ok = true;
+ if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
+ return false;
- switch (*i)
- {
- case ' ':
- continue;
+ mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mw->GetModeChar()-65) | mask;
- case '+':
- if ((direction != 1) && (next_ok))
- {
- next_ok = false;
- charlcat(outpars,'+',MAXBUF);
- }
- direction = 1;
- break;
+ modewatchers[pos].push_back(mw);
- case '-':
- if ((direction != 0) && (next_ok))
- {
- next_ok = false;
- charlcat(outpars,'-',MAXBUF);
- }
- direction = 0;
- break;
+ return true;
+}
- default:
- log(DEBUG,"begin mode processing entry");
- can_change = 1;
- if (can_change)
- {
- if (direction == 1)
- {
- log(DEBUG,"umode %c being added",*i);
- if ((!strchr(dmodes,*i)) && (ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,true,true)))
- {
- log(DEBUG,"umode %c is an allowed umode",*i);
- if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)))
- {
- charlcat(dmodes,*i,MAXBUF);
- charlcat(outpars,*i,53);
- switch (*i)
- {
- case 'i':
- dest->modebits |= UM_INVISIBLE;
- break;
- case 's':
- dest->modebits |= UM_SERVERNOTICE;
- break;
- case 'w':
- dest->modebits |= UM_WALLOPS;
- break;
- default:
- break;
- }
- }
- }
- }
- else
- {
- // can only remove a mode they already have
- log(DEBUG,"umode %c being removed",*i);
- if ((ServerInstance->ModeGrok->AllowedUmode(*i,user->modes,false,true)) && (strchr(dmodes,*i)))
- {
- log(DEBUG,"umode %c is an allowed umode",*i);
- if ((*i == 'i') || (*i == 's') || (*i == 'w') || (*i == 'o') || (ServerInstance->ModeGrok->ProcessModuleUmode(*i, user, dest, direction)))
- {
- charlcat(outpars,*i,MAXBUF);
- charremove(dmodes,*i);
- switch (*i)
- {
- case 'i':
- dest->modebits &= ~UM_INVISIBLE;
- break;
- case 's':
- dest->modebits &= ~UM_SERVERNOTICE;
- break;
- case 'w':
- dest->modebits &= ~UM_WALLOPS;
- break;
- default:
- break;
- }
- }
- }
- }
- }
- break;
- }
- }
- if (*outpars)
- {
- char b[MAXBUF];
- char* z = b;
+bool ModeParser::DelModeWatcher(ModeWatcher* mw)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
- for (char* i = outpars; *i;)
- {
- *z++ = *i++;
- if (((*i == '-') || (*i == '+')) && ((*(i+1) == '-') || (*(i+1) == '+')))
- {
- // someones playing silly buggers and trying
- // to put a +- or -+ into the line...
- i++;
- }
- if (!*(i+1))
- {
- // Someone's trying to make the last character in
- // the line be a + or - symbol.
- if ((*i == '-') || (*i == '+'))
- {
- i++;
- }
- }
- }
- *z = 0;
+ if (!mw)
+ return false;
- if ((*b) && (!IS_SINGLE(b,'+')) && (!IS_SINGLE(b,'-')))
- {
- WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
- FOREACH_MOD(I_OnMode,OnMode(user, dest, TYPE_USER, b));
- }
+ if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
+ return false;
- log(DEBUG,"Stripped mode line");
- log(DEBUG,"Line dest is now %s",dmodes);
- strlcpy(dest->modes,dmodes,MAXMODES-1);
-
- }
+ mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mw->GetModeChar()-65) | mask;
- return;
+ ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
+
+ if (a == modewatchers[pos].end())
+ {
+ return false;
}
-
- Ptr = FindChan(parameters[0]);
- if (Ptr)
+
+ modewatchers[pos].erase(a);
+
+ return true;
+}
+
+/** This default implementation can remove simple user modes
+ */
+void ModeHandler::RemoveMode(User* user, irc::modestacker* stack)
+{
+ char moderemove[MAXBUF];
+ std::vector<std::string> parameters;
+
+ if (user->IsModeSet(this->GetModeChar()))
{
- ServerInstance->ModeGrok->ProcessModes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
+ if (stack)
+ {
+ stack->Push(this->GetModeChar());
+ }
+ else
+ {
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ parameters.push_back(user->nick);
+ parameters.push_back(moderemove);
+ ServerInstance->Parser->CallHandler("MODE", parameters, user);
+ }
}
- else
+}
+
+/** This default implementation can remove simple channel modes
+ * (no parameters)
+ */
+void ModeHandler::RemoveMode(Channel* channel, irc::modestacker* stack)
+{
+ char moderemove[MAXBUF];
+ std::vector<std::string> parameters;
+
+ if (channel->IsModeSet(this->GetModeChar()))
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
+ if (stack)
+ {
+ stack->Push(this->GetModeChar());
+ }
+ else
+ {
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ parameters.push_back(channel->name);
+ parameters.push_back(moderemove);
+ ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
+ }
}
}
+
+ModeParser::ModeParser(InspIRCd* Instance) : ServerInstance(Instance)
+{
+ ModeHandler* modes[] =
+ {
+ new ModeChannelSecret(Instance),
+ new ModeChannelPrivate(Instance),
+ new ModeChannelModerated(Instance),
+ new ModeChannelTopicOps(Instance),
+ new ModeChannelNoExternal(Instance),
+ new ModeChannelInviteOnly(Instance),
+ new ModeChannelKey(Instance),
+ new ModeChannelLimit(Instance),
+ new ModeChannelBan(Instance),
+ new ModeChannelOp(Instance),
+ new ModeChannelHalfOp(Instance),
+ new ModeChannelVoice(Instance),
+ new ModeUserWallops(Instance),
+ new ModeUserInvisible(Instance),
+ new ModeUserOperator(Instance),
+ new ModeUserServerNoticeMask(Instance),
+ NULL
+ };
+
+ /* Clear mode handler list */
+ memset(modehandlers, 0, sizeof(modehandlers));
+
+ /* Last parse string */
+ LastParse.clear();
+
+ /* Initialise the RFC mode letters */
+ for (int index = 0; modes[index]; index++)
+ this->AddMode(modes[index]);
+
+ seq = 0;
+ memset(&sent, 0, sizeof(sent));
+}