diff options
| -rw-r--r-- | include/mode.h | 9 | ||||
| -rw-r--r-- | src/mode.cpp | 676 |
2 files changed, 287 insertions, 398 deletions
diff --git a/include/mode.h b/include/mode.h index e80455acc..3e658e206 100644 --- a/include/mode.h +++ b/include/mode.h @@ -440,6 +440,15 @@ class CoreExport ModeParser : public classbase * Used by ModeParser::Process. */ void DisplayCurrentModes(User *user, User* targetuser, Channel* targetchannel, const char* text); + /** Displays the value of a list mode + * Used by ModeParser::Process. + */ + void DisplayListModes(User* user, Channel* chan, std::string &mode_sequence); + + /** + * Attempts to apply a mode change to a user or channel + */ + ModeAction TryMode(User* user, User* targu, Channel* targc, bool adding, unsigned char mode, std::string ¶m, bool servermode, bool SkipACL); /** The string representing the last set of modes to be parsed. * Use GetLastParse() to get this value, to be used for display purposes. diff --git a/src/mode.cpp b/src/mode.cpp index 947f3c4fb..c8fecafa5 100644 --- a/src/mode.cpp +++ b/src/mode.cpp @@ -333,7 +333,7 @@ void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targ user->WriteNumeric(RPL_CHANNELCREATED, "%s %s %lu", user->nick.c_str(), targetchannel->name.c_str(), (unsigned long)targetchannel->age); return; } - else if (targetuser) + else { if (targetuser->Visibility && !targetuser->Visibility->VisibleTo(user)) { @@ -355,448 +355,328 @@ void ModeParser::DisplayCurrentModes(User *user, User* targetuser, Channel* targ return; } } - - /* No such nick/channel */ - user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), text); - return; } -void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool servermode) +ModeAction ModeParser::TryMode(User* user, User* targetuser, Channel* chan, bool adding, const unsigned char modechar, + std::string ¶meter, bool servermode, bool SkipACL) { - 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]); + ModeType type = chan ? MODETYPE_CHANNEL : MODETYPE_USER; + unsigned char mask = chan ? MASK_CHANNEL : MASK_USER; - 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) && (parameters.size() == 2)) - { - const char* mode = parameters[1].c_str(); - int nonlistmodes_found = 0; + ModeHandler *mh = FindMode(modechar, type); + int pcnt = mh->GetNumParams(adding); - seq++; + int MOD_RESULT = 0; + FOREACH_RESULT(I_OnRawMode, OnRawMode(user, chan, modechar, parameter, adding, pcnt, servermode)); - mask = MASK_CHANNEL; + if (IS_LOCAL(user) && (MOD_RESULT == ACR_DENY)) + return MODEACTION_DENY; - while (mode && *mode) + if (chan && !SkipACL && (MOD_RESULT != ACR_ALLOW)) + { + char needed = mh->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) { - unsigned char mletter = *mode; - - if (*mode == '+') - { - mode++; - continue; - } + needed = ServerInstance->Config->AllowHalfop ? '%' : '@'; + prefixmode = FindPrefix(needed); + } - /* Ensure the user doesnt request the same mode twice, - * so they cant flood themselves off out of idiocy. + if (needed) + { + 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. */ - if (sent[mletter] != seq) + std::string modestring = chan->GetAllPrefixChars(user); + char ml = (modestring.empty() ? '\0' : modestring[0]); + ModeHandler* ourmode = FindPrefix(ml); + if (!ourmode || ourmode->GetPrefixRank() < neededrank) { - sent[mletter] = seq; - } - else - { - mode++; - continue; + /* 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(), chan->name.c_str(), needed, adding ? "" : "un", modechar); + return MODEACTION_DENY; } + } + } - ModeHandler *mh = this->FindMode(*mode, MODETYPE_CHANNEL); - bool display = true; + unsigned char handler_id = (modechar - 'A') | mask; - 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; - } + for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) + { + if ((*watchers)->BeforeMode(user, targetuser, chan, parameter, adding, type, servermode) == false) + return MODEACTION_DENY; + /* A module whacked the parameter completely, and there was one. abort. */ + if (pcnt && parameter.empty()) + return MODEACTION_DENY; + } - 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; - } - } + if (IS_LOCAL(user) && !IS_OPER(user)) + { + char* disabled = (type == MODETYPE_CHANNEL) ? ServerInstance->Config->DisabledCModes : ServerInstance->Config->DisabledUModes; + if (disabled[modechar - '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", modechar); + return MODEACTION_DENY; + } + } - /** See below for a description of what craq this is :D - */ - unsigned char handler_id = (*mode - 65) | mask; + if (adding && IS_LOCAL(user) && mh->NeedsOper() && !user->HasModePermission(modechar, type)) + { + /* It's an oper only mode, and they don't have access to it. */ + 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", modechar); + } + else + { + user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Only operators may set %s mode %c", + user->nick.c_str(), type == MODETYPE_CHANNEL ? "channel" : "user", modechar); + } + return MODEACTION_DENY; + } - for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) - { - std::string dummyparam; + /* Call the handler for the mode */ + ModeAction ma = mh->OnModeChange(user, targetuser, chan, parameter, adding, servermode); - if (!((*watchers)->BeforeMode(user, NULL, targetchannel, dummyparam, true, MODETYPE_CHANNEL))) - display = false; - } + if (pcnt && parameter.empty()) + return MODEACTION_DENY; - if (display) - mh->DisplayList(user, targetchannel); - } - else - nonlistmodes_found++; + if (ma != MODEACTION_ALLOW) + return ma; - mode++; - } + mh->ChangeCount(adding ? 1 : -1); - /* We didnt have any modes that were non-list, we can return here */ - if (!nonlistmodes_found) - return; + if (mh->GetPrefix() && chan) + { + User* user_to_prefix = ServerInstance->FindNick(parameter); + if (user_to_prefix) + chan->SetPrefix(user_to_prefix, mh->GetPrefix(), mh->GetPrefixRank(), adding); } + for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) + (*watchers)->AfterMode(user, targetuser, chan, parameter, adding, type, servermode); + + return MODEACTION_ALLOW; +} + +void ModeParser::Process(const std::vector<std::string>& parameters, User *user, bool servermode) +{ + std::string target = parameters[0]; + Channel* targetchannel = ServerInstance->FindChan(target); + User* targetuser = ServerInstance->FindNick(target); + ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER; + + LastParse.clear(); + LastParseParams.clear(); + LastParseTranslate.clear(); + + if (!targetchannel && !targetuser) + { + user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(),target.c_str()); + return; + } if (parameters.size() == 1) { - this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0].c_str()); + this->DisplayCurrentModes(user, targetuser, targetchannel, target.c_str()); + return; + } + + std::string mode_sequence = parameters[1]; + + bool SkipAccessChecks = false; + + if (servermode || !IS_LOCAL(user) || ServerInstance->ULine(user->server)) + { + SkipAccessChecks = true; + } + else if (targetchannel) + { + /* Overall access control hook for mode change */ + LastParse = mode_sequence; + 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 (user != targetuser) + { + user->WriteNumeric(ERR_USERSDONTMATCH, "%s :Can't change mode for other users", user->nick.c_str()); + return; + } } - else if (parameters.size() > 1) + + + std::string output_mode; + std::ostringstream output_parameters; + LastParseParams.push_back(output_mode); + LastParseTranslate.push_back(TR_TEXT); + + bool adding = true; + char output_pm = '\0'; // current output state, '+' or '-' + unsigned int param_at = 2; + + for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++) { - bool SkipAccessChecks = false; + unsigned char modechar = *letter; + if (modechar == '+' || modechar == '-') + { + adding = (modechar == '+'); + continue; + } - if (targetchannel) + ModeHandler *mh = this->FindMode(modechar, type); + if (!mh) { - type = MODETYPE_CHANNEL; - mask = MASK_CHANNEL; + /* 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); + continue; + } - /* Extra security checks on channel modes - * (e.g. are they a (half)op? - */ + std::string parameter = ""; + int pcnt = mh->GetNumParams(adding); + if (pcnt && param_at == parameters.size()) + { + /* No parameter, continue to the next mode */ + mh->OnParameterMissing(user, targetuser, targetchannel); + continue; + } + else if (pcnt) + { + parameter = parameters[param_at++]; + /* Make sure the user isn't trying to slip in an invalid parameter */ + if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos)) + continue; + } - 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 */ - 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); - } + ModeAction ma = TryMode(user, targetuser, targetchannel, adding, modechar, parameter, servermode, SkipAccessChecks); + + if (ma != MODEACTION_ALLOW) + continue; + + char needed_pm = adding ? '+' : '-'; + if (needed_pm != output_pm) + { + output_pm = needed_pm; + output_mode.append(1, output_pm); } - else if (targetuser) + output_mode.append(1, modechar); + + if (pcnt) { - 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; - } + output_parameters << " " << parameter; + LastParseParams.push_back(parameter); + LastParseTranslate.push_back(mh->GetTranslateType()); } - else + + if ( (output_mode.length() + output_parameters.str().length() > 450) + || (output_mode.length() > 100) + || (LastParseParams.size() > ServerInstance->Config->Limits.MaxModes)) { - /* No such nick/channel */ - user->WriteNumeric(ERR_NOSUCHNICK, "%s %s :No such nick/channel",user->nick.c_str(), parameters[0].c_str()); - return; + /* mode sequence is getting too long */ + break; } + } + + LastParseParams[0] = output_mode; - std::string mode_sequence = parameters[1]; - std::string parameter; - std::ostringstream parameter_list; - std::string output_sequence; - bool adding = true, state_change = false; - 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; - 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 (!output_mode.empty()) + { + LastParse = targetchannel ? targetchannel->name : targetuser->nick; + LastParse.append(" "); + LastParse.append(output_mode); + LastParse.append(output_parameters.str()); + + if (!user && targetchannel) + targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s", LastParse.c_str()); + else if (!user && targetuser) + targetuser->WriteServ("MODE %s", LastParse.c_str()); + else if (targetchannel) { - unsigned char modechar = *letter; + targetchannel->WriteChannel(user, "MODE %s", LastParse.c_str()); + FOREACH_MOD(I_OnMode,OnMode(user, targetchannel, TYPE_CHANNEL, LastParseParams, LastParseTranslate)); + } + else if (targetuser) + { + targetuser->WriteFrom(user, "MODE %s", LastParse.c_str()); + FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, LastParseParams, LastParseTranslate)); + } + } + else if (targetchannel && parameters.size() == 2) + { + /* Special case for displaying the list for listmodes, + * e.g. MODE #chan b, or MODE #chan +b without a parameter + */ + this->DisplayListModes(user, targetchannel, mode_sequence); + } +} - switch (modechar) - { - /* NB: - * For + and - mode characters, we don't just stick the character into the output sequence. - * This is because the user may do something dumb, like: +-+ooo or +oo-+. To prevent this - * appearing in the output sequence, we store a flag which says there was a state change, - * which is set on any + or -, however, the + or - that we finish on is only appended to - * the output stream in the event it is followed by a non "+ or -" character, such as o or v. - */ - case '+': - /* The following expression prevents: +o+o nick nick, compressing it to +oo nick nick, - * however, will allow the + if it is the first item in the sequence, regardless. - */ - 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: - - /** - * 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; +void ModeParser::DisplayListModes(User* user, Channel* chan, std::string &mode_sequence) +{ + seq++; - 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 < 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 (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, servermode); - - 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); - - 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.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, 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. */ - user->WriteServ("%d %s %c :is unknown mode char to me", type == MODETYPE_CHANNEL ? 472 : 501, user->nick.c_str(), modechar); - } - break; - } + for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++) + { + unsigned char mletter = *letter; + if (mletter == '+') + continue; + + /* Ensure the user doesnt request the same mode twice, + * so they cant flood themselves off out of idiocy. + */ + if (sent[mletter] == seq) + continue; + + sent[mletter] = seq; + + ModeHandler *mh = this->FindMode(mletter, MODETYPE_CHANNEL); + + if (!mh || !mh->IsListMode()) + return; + + int MOD_RESULT = 0; + FOREACH_RESULT(I_OnRawMode, OnRawMode(user, chan, mletter, "", true, 0)); + if (MOD_RESULT == ACR_DENY) + continue; + + bool display = true; + if (!user->HasPrivPermission("channels/auspex") && ServerInstance->Config->HideModeLists[mletter] && (chan->GetStatus(user) < STATUS_HOP)) + { + user->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only half-operators and above may view the +%c list", + user->nick.c_str(), chan->name.c_str(), mletter); + display = false; } - /* Was there at least one valid mode in the sequence? */ - if (!output_sequence.empty()) + /** See below for a description of what craq this is :D + */ + unsigned char handler_id = (mletter - 'A') | MASK_CHANNEL; + + for(ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++) { - LastParseParams[0] = output_sequence; - if (!user) - { - if (type == MODETYPE_CHANNEL) - { - 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 (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, LastParseParams, LastParseTranslate)); - this->LastParse = targetchannel->name; - } - else - { - 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; - } - } + std::string dummyparam; - LastParse.append(" "); - LastParse.append(output_sequence); - LastParse.append(parameter_list.str()); + if (!((*watchers)->BeforeMode(user, NULL, chan, dummyparam, true, MODETYPE_CHANNEL))) + display = false; } + if (display) + mh->DisplayList(user, chan); + else + mh->DisplayEmptyList(user, chan); } } |