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-rw-r--r--src/mode.cpp676
1 files changed, 278 insertions, 398 deletions
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 &parameter, 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);
}
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 06:25:52 +0000