* | 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) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
-using namespace std;
+/* $Core */
-#include "inspircd_config.h"
#include "inspircd.h"
-#include "configreader.h"
-#include <unistd.h>
-#include "hash_map.h"
-#include "connection.h"
-#include "users.h"
-#include "modules.h"
-#include "message.h"
#include "inspstring.h"
-#include "helperfuncs.h"
-#include "commands.h"
-#include "mode.h"
/* +s (secret) */
#include "modes/cmode_s.h"
#include "modes/cmode_h.h"
/* +v (channel voice) */
#include "modes/cmode_v.h"
-
-/* +s (server notices) */
-#include "modes/umode_s.h"
/* +w (see wallops) */
#include "modes/umode_w.h"
/* +i (invisible) */
#include "modes/umode_i.h"
/* +o (operator) */
#include "modes/umode_o.h"
-/* +n (notice mask - our implementation of snomasks) */
-#include "modes/umode_n.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;
+/* +s (server notice masks) */
+#include "modes/umode_s.h"
-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)
+ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly, char mprefix, char prefixrequired, TranslateType translate)
+ : ServerInstance(Instance), mode(modeletter), n_params_on(parameters_on), n_params_off(parameters_off), list(listmode), m_type(type), m_paramtype(translate), oper(operonly), prefix(mprefix), count(0), prefixneeded(prefixrequired)
{
}
return list;
}
+char ModeHandler::GetNeededPrefix()
+{
+ if (prefixneeded == '%' && !ServerInstance->Config->AllowHalfop)
+ return '@';
+ 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;
}
+TranslateType ModeHandler::GetTranslateType()
+{
+ return m_paramtype;
+}
+
bool ModeHandler::NeedsOper()
{
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;
}
-ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)
+ModePair ModeHandler::ModeSet(User*, User* dest, Channel* channel, const std::string&)
{
if (dest)
{
}
}
-void ModeHandler::DisplayList(userrec* user, chanrec* channel)
+void ModeHandler::DisplayList(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::DisplayEmptyList(User*, 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)
+{
+ 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,const 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;
}
-const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
+const char* ModeParser::Grant(User *d,Channel *chan,int MASK)
{
if (!chan)
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())
{
- ucrec* n = (ucrec*)(*i);
- if (n->channel == chan)
+ if (n->second & MASK)
{
- if (n->uc_modes & MASK)
- {
- return "";
- }
- n->uc_modes = n->uc_modes | MASK;
- switch (MASK)
- {
- case UCMODE_OP:
- n->channel->AddOppedUser(d);
- break;
- case UCMODE_HOP:
- n->channel->AddHalfoppedUser(d);
- break;
- case UCMODE_VOICE:
- n->channel->AddVoicedUser(d);
- break;
- }
- log(DEBUG,"grant: %s %s",n->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 "";
}
-const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
+const char* ModeParser::Revoke(User *d,Channel *chan,int MASK)
{
if (!chan)
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())
{
- ucrec* n = (ucrec*)(*i);
- if (n->channel == chan)
+ if ((n->second & MASK) == 0)
{
- if ((n->uc_modes & MASK) == 0)
- {
- return "";
- }
- n->uc_modes ^= MASK;
- switch (MASK)
- {
- case UCMODE_OP:
- n->channel->DelOppedUser(d);
- break;
- case UCMODE_HOP:
- n->channel->DelHalfoppedUser(d);
- break;
- case UCMODE_VOICE:
- n->channel->DelVoicedUser(d);
- break;
- }
- log(DEBUG,"revoke: %s %s",n->channel->name,d->nick);
- return d->nick;
+ return "";
}
+ n->second ^= MASK;
+ switch (MASK)
+ {
+ 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 d->nick.c_str();
}
return "";
}
-void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text)
+void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text)
{
if (targetchannel)
{
/* Display channel's current mode string */
- WriteServ(user->fd,"324 %s %s +%s",user->nick, targetchannel->name, chanmodes(targetchannel, targetchannel->HasUser(user)));
- WriteServ(user->fd,"329 %s %s %d", user->nick, targetchannel->name, targetchannel->created);
+ 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;
}
else if (targetuser)
{
- /* Display user's current mode string */
- WriteServ(user->fd,"221 %s :+%s",targetuser->nick,targetuser->FormatModes());
- WriteServ(user->fd, "008 %s :+%s", targetuser->nick, targetuser->FormatNoticeMasks());
- return;
+ if (targetuser->Visibility && !targetuser->Visibility->VisibleTo(user))
+ {
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), text);
+ return;
+ }
+
+ 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;
+ }
}
/* No such nick/channel */
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, text);
+ user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), text);
return;
}
-void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode)
+void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool servermode)
{
std::string target = parameters[0];
ModeType type = MODETYPE_USER;
unsigned char mask = 0;
- chanrec* targetchannel = FindChan(parameters[0]);
- userrec* targetuser = Find(parameters[0]);
+ Channel* targetchannel = ServerInstance->FindChan(parameters[0]);
+ User* targetuser = ServerInstance->FindNick(parameters[0]);
- log(DEBUG,"ModeParser::Process start");
+ LastParse.clear();
+ LastParseParams.clear();
+ LastParseTranslate.clear();
/* Special case for displaying the list for listmodes,
* e.g. MODE #chan b, or MODE #chan +b without a parameter
*/
- if ((targetchannel) && (pcnt == 2))
+ if ((targetchannel) && (parameters.size() == 2))
{
- const char* mode = parameters[1];
- if (*mode == '+')
- mode++;
- unsigned char handler_id = ((*mode) - 65) | MASK_CHANNEL;
- ModeHandler* mh = modehandlers[handler_id];
- if ((mh) && (mh->IsListMode()))
+ const char* mode = parameters[1].c_str();
+ int nonlistmodes_found = 0;
+
+ seq++;
+
+ mask = MASK_CHANNEL;
+
+ while (mode && *mode)
{
- mh->DisplayList(user, targetchannel);
- return;
+ unsigned char mletter = *mode;
+
+ if (*mode == '+')
+ {
+ mode++;
+ continue;
+ }
+
+ /* Ensure the user doesnt request the same mode twice,
+ * so they cant flood themselves off out of idiocy.
+ */
+ if (sent[mletter] != seq)
+ {
+ sent[mletter] = seq;
+ }
+ else
+ {
+ mode++;
+ continue;
+ }
+
+ ModeHandler *mh = this->FindMode(*mode, MODETYPE_CHANNEL);
+ bool display = true;
+
+ if ((mh) && (mh->IsListMode()))
+ {
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, *mode, "", true, 0));
+ if (MOD_RESULT == ACR_DENY)
+ {
+ mode++;
+ continue;
+ }
+
+ if (!user->HasPrivPermission("channels/auspex"))
+ {
+ 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;
+ }
+ }
+
+ /** See below for a description of what craq this is :D
+ */
+ unsigned char handler_id = (*mode - 65) | mask;
+
+ 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 (display)
+ mh->DisplayList(user, targetchannel);
+ }
+ else
+ nonlistmodes_found++;
+
+ mode++;
}
+
+ /* We didnt have any modes that were non-list, we can return here */
+ if (!nonlistmodes_found)
+ return;
}
- if (pcnt == 1)
+ if (parameters.size() == 1)
{
- this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]);
+ this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0].c_str());
}
- else if (pcnt > 1)
+ else if (parameters.size() > 1)
{
+ bool SkipAccessChecks = false;
+
if (targetchannel)
{
type = MODETYPE_CHANNEL;
* (e.g. are they a (half)op?
*/
- if ((IS_LOCAL(user)) && (cstatus(user, targetchannel) < STATUS_HOP))
+ if ((IS_LOCAL(user)) && (!ServerInstance->ULine(user->server)) && (!servermode))
{
+ /* Make modes that are being changed visible to OnAccessCheck */
+ LastParse = parameters[1];
/* We don't have halfop */
- log(DEBUG,"The user is not a halfop or above, checking other reasons for being able to set the modes");
-
- /* Are we a uline or is it a servermode? */
- if ((!is_uline(user->server)) && (!servermode))
- {
- /* Not enough permission:
- * NOT a uline and NOT a servermode,
- * OR, NOT halfop or above.
- */
- WriteServ(user->fd,"482 %s %s :You're not a channel (half)operator",user->nick, targetchannel->name);
+ int MOD_RESULT = 0;
+ FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user, NULL, targetchannel, AC_GENERAL_MODE));
+ LastParse.clear();
+ if (MOD_RESULT == ACR_DENY)
return;
- }
+ SkipAccessChecks = (MOD_RESULT == ACR_ALLOW);
}
}
else if (targetuser)
{
type = MODETYPE_USER;
mask = MASK_USER;
+ if (user != targetuser && IS_LOCAL(user) && !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 */
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
+ 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::string parameter;
std::ostringstream parameter_list;
- std::string output_sequence = "";
+ std::string output_sequence;
bool adding = true, state_change = false;
unsigned char handler_id = 0;
- int parameter_counter = 2; /* Index of first parameter */
+ unsigned int parameter_counter = 2; /* Index of first parameter */
+ unsigned int parameter_count = 0;
+ bool last_successful_state_change = false;
+ LastParseParams.push_back(output_sequence);
+ LastParseTranslate.push_back(TR_TEXT);
+
+ /* 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 letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
{
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:
{
bool abort = false;
- for (ModeWatchIter 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))
{
/* This mode expects a parameter, do we have any parameters left in our list to use? */
- if (parameter_counter < pcnt)
+ if (parameter_counter < parameters.size())
{
parameter = parameters[parameter_counter++];
+
+ /* Yerk, invalid! */
+ if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
+ parameter.clear();
}
else
{
/* 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));
+ }
+ else
+ {
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, "", adding, 0, servermode));
+ }
+
+ if (IS_LOCAL(user) && (MOD_RESULT == ACR_DENY))
+ continue;
+
+ if (!SkipAccessChecks && IS_LOCAL(user) && (MOD_RESULT != ACR_ALLOW))
+ {
+ /* Check access to this mode character */
+ if ((type == MODETYPE_CHANNEL) && (modehandlers[handler_id]->GetNeededPrefix()))
+ {
+ 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, '%' or '@'.
+ */
+ if (needed && !prefixmode)
+ prefixmode = ServerInstance->Config->AllowHalfop ? FindPrefix('%') : 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;
+ }
+ }
+ }
+
+ 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()))
+ {
+ abort = true;
+ break;
+ }
+ }
+
+ if (abort)
+ continue;
+
+ /* 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 ((IS_LOCAL(user)) && (modehandlers[handler_id]->NeedsOper()) && (!*user->oper))
+ 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;
+ }
/* Call the handler for the mode */
- ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
+ ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding, servermode);
- if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == ""))
+ 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,
{
/* We're about to output a valid mode letter - was there previously a pending state-change? */
if (state_change)
- output_sequence.append(adding ? "+" : "-");
-
+ {
+ if (adding != last_successful_state_change)
+ output_sequence.append(adding ? "+" : "-");
+ last_successful_state_change = adding;
+ }
+
/* Add the mode letter */
output_sequence.push_back(modechar);
+ modehandlers[handler_id]->ChangeCount(adding ? 1 : -1);
+
/* Is there a valid parameter for this mode? If so add it to the parameter list */
- if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != ""))
+ if ((modehandlers[handler_id]->GetNumParams(adding)) && (!parameter.empty()))
+ {
parameter_list << " " << parameter;
+ LastParseParams.push_back(parameter);
+ LastParseTranslate.push_back(modehandlers[handler_id]->GetTranslateType());
+ 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);
+ }
+ }
/* 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);
+ (*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type, servermode);
/* Reset the state change flag */
state_change = false;
+
+ 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
{
/* No mode handler? Unknown mode character then. */
- WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick, modechar);
+ user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar);
}
break;
}
}
+
/* Was there at least one valid mode in the sequence? */
- if (output_sequence != "")
+ if (!output_sequence.empty())
{
- if (servermode)
+ LastParseParams[0] = output_sequence;
+ if (!user)
{
if (type == MODETYPE_CHANNEL)
{
- WriteChannelWithServ(Config->ServerName,targetchannel,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
+ 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
{
- WriteServ(targetuser->fd,"MODE %s %s",targetuser->nick,output_sequence.c_str());
+ 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 (type == MODETYPE_CHANNEL)
{
- log(DEBUG,"Write output sequence and parameters to channel: %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
- WriteChannel(targetchannel,user,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
- FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, output_sequence + parameter_list.str()));
+ 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, LastParseParams, LastParseTranslate));
+ this->LastParse = targetchannel->name;
}
else
{
- WriteTo(user,targetuser,"MODE %s %s",targetuser->nick,output_sequence.c_str());
- FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence));
+ 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, LastParseParams, LastParseTranslate));
+ this->LastParse = targetuser->nick;
}
}
+
+ LastParse.append(" ");
+ LastParse.append(output_sequence);
+ LastParse.append(parameter_list.str());
}
}
}
-
-void cmd_mode::Handle (const char** parameters, int pcnt, userrec *user)
+const std::string& ModeParser::GetLastParse()
{
- if (!user)
- return;
-
- ServerInstance->ModeGrok->Process(parameters, pcnt, user, false);
-
- return;
+ return LastParse;
}
void ModeParser::CleanMask(std::string &mask)
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_colon = mask.find_first_of(':'); /* Because ipv6 addresses are colon delimited */
+ 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))
{
- /* Just a nick, or just a host */
- if ((pos_of_dot == std::string::npos) && (pos_of_colon == std::string::npos))
+ /* 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("!*@*");
}
}
-bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter)
+bool ModeParser::AddMode(ModeHandler* mh)
{
unsigned char mask = 0;
unsigned char pos = 0;
* 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'))
+ 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;
return false;
modehandlers[pos] = mh;
- log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar());
+ return true;
+}
+
+bool ModeParser::DelMode(ModeHandler* mh)
+{
+ 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())
+ {
+ case MODETYPE_USER:
+ for (user_hash::iterator i = ServerInstance->Users->clientlist->begin(); i != ServerInstance->Users->clientlist->end(); i++)
+ {
+ mh->RemoveMode(i->second);
+ }
+ break;
+ case MODETYPE_CHANNEL:
+ for (chan_hash::iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
+ {
+ mh->RemoveMode(i->second);
+ }
+ break;
+ }
+
+ modehandlers[pos] = NULL;
+
return true;
}
return modestr;
}
+ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
+{
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ {
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
+
+ if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
+ {
+ return modehandlers[pos];
+ }
+ }
+ return NULL;
+}
+
+std::string ModeParser::ModeString(User* user, Channel* channel, bool nick_suffix)
+{
+ std::string types;
+ std::string pars;
+
+ if (!channel || !user)
+ return "";
+
+ 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)))
+ {
+ ModePair ret;
+ ret = mh->ModeSet(NULL, user, channel, user->nick);
+ if ((ret.first) && (ret.second == user->nick))
+ {
+ if (nick_suffix)
+ {
+ pars.append(" ");
+ pars.append(user->nick);
+ }
+ types.push_back(mh->GetModeChar());
+ }
+ }
+ }
+
+ if (nick_suffix)
+ return types+pars;
+ else
+ return types;
+}
+
+std::string ModeParser::GiveModeList(ModeMasks m)
+{
+ 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++)
+ {
+ unsigned char pos = (mode-65) | m;
+ /* One parameter when adding */
+ if (modehandlers[pos])
+ {
+ if (modehandlers[pos]->GetNumParams(true))
+ {
+ if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
+ {
+ type1 += modehandlers[pos]->GetModeChar();
+ }
+ else
+ {
+ /* ... and one parameter when removing */
+ if (modehandlers[pos]->GetNumParams(false))
+ {
+ /* But not a list mode */
+ if (!modehandlers[pos]->GetPrefix())
+ {
+ type2 += modehandlers[pos]->GetModeChar();
+ }
+ }
+ else
+ {
+ /* No parameters when removing */
+ type3 += modehandlers[pos]->GetModeChar();
+ }
+ }
+ }
+ else
+ {
+ type4 += modehandlers[pos]->GetModeChar();
+ }
+ }
+ }
+
+ 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++)
+ {
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
+
+ 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++)
+ {
+ mletters = mletters + n->first;
+ mprefixes = mprefixes + prefix_to_mode.find(n->first)->second;
+ }
+
+ return "(" + mprefixes + ")" + mletters;
+}
+
bool ModeParser::AddModeWatcher(ModeWatcher* mw)
{
unsigned char mask = 0;
pos = (mw->GetModeChar()-65) | mask;
modewatchers[pos].push_back(mw);
- log(DEBUG,"ModeParser::AddModeWatcher: watching mode %c",mw->GetModeChar());
return true;
}
if (!mw)
return false;
- if ((mw->GetModeType() < 'A') || (mw->GetModeType() > 'z'))
+ if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
return false;
mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
ModeWatchIter a = find(modewatchers[pos].begin(),modewatchers[pos].end(),mw);
if (a == modewatchers[pos].end())
+ {
return false;
+ }
modewatchers[pos].erase(a);
- log(DEBUG,"ModeParser::DelModeWatcher: stopped watching mode %c",mw->GetModeChar());
return true;
}
-ModeParser::ModeParser()
+/** This default implementation can remove simple user modes
+ */
+void ModeHandler::RemoveMode(User* user, irc::modestacker* stack)
{
- /* Clear mode list */
- memset(modehandlers, 0, sizeof(modehandlers));
- memset(modewatchers, 0, sizeof(modewatchers));
+ char moderemove[MAXBUF];
+ std::vector<std::string> parameters;
- /* Initialise the RFC mode letters */
+ if (user->IsModeSet(this->GetModeChar()))
+ {
+ if (stack)
+ {
+ stack->Push(this->GetModeChar());
+ }
+ else
+ {
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ parameters.push_back(user->nick);
+ parameters.push_back(moderemove);
+ ServerInstance->Modes->Process(parameters, ServerInstance->FakeClient, true);
+ }
+ }
+}
- /* Start with channel simple modes, no params */
- this->AddMode(new ModeChannelSecret, 's');
- this->AddMode(new ModeChannelPrivate, 'p');
- this->AddMode(new ModeChannelModerated, 'm');
- this->AddMode(new ModeChannelTopicOps, 't');
- this->AddMode(new ModeChannelNoExternal, 'n');
- this->AddMode(new ModeChannelInviteOnly, 'i');
+/** 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;
- /* Cannel modes with params */
- this->AddMode(new ModeChannelKey, 'k');
- this->AddMode(new ModeChannelLimit, 'l');
+ if (channel->IsModeSet(this->GetModeChar()))
+ {
+ 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));
- /* Channel listmodes */
- this->AddMode(new ModeChannelBan, 'b');
- this->AddMode(new ModeChannelOp, 'o');
- this->AddMode(new ModeChannelHalfOp, 'h');
- this->AddMode(new ModeChannelVoice, 'v');
+ /* Last parse string */
+ LastParse.clear();
- /* Now for usermodes */
- this->AddMode(new ModeUserServerNotice, 's');
- this->AddMode(new ModeUserWallops, 'w');
- this->AddMode(new ModeUserInvisible, 'i');
- this->AddMode(new ModeUserOperator, 'o');
- this->AddMode(new ModeUserServerNoticeMask, 'n');
-}
+ /* Initialise the RFC mode letters */
+ for (int index = 0; modes[index]; index++)
+ this->AddMode(modes[index]);
+ seq = 0;
+ memset(&sent, 0, sizeof(sent));
+}
projects / user / henk / code / inspircd.git / blobdiff