/* $Core: libIRCDmode */
/* $ExtraDeps: $(RELCPPFILES) */
/* $ExtraObjects: modes/modeclasses.a */
-/* $ExtraBuild: ${MAKE} -C "modes" DIRNAME="src/modes" CC="$(CC)" $(MAKEARGS) CPPFILES="$(CPPFILES)" */
+/* $ExtraBuild: @${MAKE} -C "modes" DIRNAME="src/modes" CC="$(CC)" $(MAKEARGS) CPPFILES="$(CPPFILES)" */
#include "inspircd.h"
#include "inspstring.h"
/* +n (notice mask - our implementation of snomasks) */
#include "modes/umode_n.h"
-ModeHandler::ModeHandler(InspIRCd* Instance, char modeletter, int parameters_on, int parameters_off, bool listmode, ModeType type, bool operonly, char mprefix)
- : 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)
+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;
void ModeHandler::ChangeCount(int modifier)
{
count += modifier;
- ServerInstance->Log(DEBUG,"Change count for mode %c is now %d", mode, count);
+ ServerInstance->Logs->Log("MODE", DEBUG,"Change count for mode %c is now %d", mode, count);
}
ModeType ModeHandler::GetModeType()
return mode;
}
-ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool)
+ModeAction ModeHandler::OnModeChange(User*, User*, Channel*, std::string&, bool, bool)
{
return MODEACTION_DENY;
}
return m_type;
}
-bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType)
+bool ModeWatcher::BeforeMode(User*, User*, Channel*, std::string&, bool, ModeType, bool)
{
return true;
}
-void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType)
+void ModeWatcher::AfterMode(User*, User*, Channel*, const std::string&, bool, ModeType, bool)
{
}
d = ServerInstance->FindNick(dest);
if (!d)
{
- user->WriteServ("401 %s %s :No such nick/channel",user->nick, dest);
+ user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, dest);
return NULL;
}
return d;
if (targetchannel)
{
/* Display channel's current mode string */
- user->WriteServ("324 %s %s +%s",user->nick, targetchannel->name, targetchannel->ChanModes(targetchannel->HasUser(user)));
- user->WriteServ("329 %s %s %lu", user->nick, targetchannel->name, (unsigned long)targetchannel->age);
+ user->WriteNumeric(324, "%s %s +%s",user->nick, targetchannel->name, targetchannel->ChanModes(targetchannel->HasUser(user)));
+ user->WriteNumeric(329, "%s %s %lu", user->nick, targetchannel->name, (unsigned long)targetchannel->age);
return;
}
else if (targetuser)
{
if (targetuser->Visibility && !targetuser->Visibility->VisibleTo(user))
{
- user->WriteServ("401 %s %s :No such nick/channel",user->nick, text);
+ user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, text);
return;
}
if ((targetuser == user) || (IS_OPER(user)))
{
/* Display user's current mode string */
- user->WriteServ("221 %s :+%s",targetuser->nick,targetuser->FormatModes());
+ user->WriteNumeric(221, "%s :+%s",targetuser->nick,targetuser->FormatModes());
if (IS_OPER(targetuser))
- user->WriteServ("008 %s +%s :Server notice mask", targetuser->nick, targetuser->FormatNoticeMasks());
+ user->WriteNumeric(8, "%s +%s :Server notice mask", targetuser->nick, targetuser->FormatNoticeMasks());
return;
}
else
{
- user->WriteServ("502 %s :Can't change mode for other users", user->nick);
+ user->WriteNumeric(502, "%s :Can't change mode for other users", user->nick);
return;
}
}
/* No such nick/channel */
- user->WriteServ("401 %s %s :No such nick/channel",user->nick, text);
+ user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, text);
return;
}
-void ModeParser::Process(const char** parameters, int pcnt, User *user, bool servermode)
+void ModeParser::Process(const char* const* parameters, int pcnt, User *user, bool servermode)
{
std::string target = parameters[0];
ModeType type = MODETYPE_USER;
{
unsigned char mletter = *mode;
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, *mode, "", true, 0));
- if (MOD_RESULT == ACR_DENY)
- continue;
-
if (*mode == '+')
{
mode++;
continue;
}
-
+
/* Ensure the user doesnt request the same mode twice,
* so they cant flood themselves off out of idiocy.
*/
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 (ServerInstance->Config->HideModeLists[mletter] && (targetchannel->GetStatus(user) < STATUS_HOP))
{
- user->WriteServ("482 %s %s :Only half-operators and above may view the +%c list",user->nick, targetchannel->name, *mode++);
+ user->WriteNumeric(482, "%s %s :Only half-operators and above may view the +%c list",user->nick, targetchannel->name, *mode++);
mh->DisplayEmptyList(user, targetchannel);
continue;
}
}
else if (pcnt > 1)
{
+ bool SkipAccessChecks = false;
+
if (targetchannel)
{
type = MODETYPE_CHANNEL;
* (e.g. are they a (half)op?
*/
- if ((IS_LOCAL(user)) && (targetchannel->GetStatus(user) < STATUS_HOP))
+ 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;
-
- if (MOD_RESULT == ACR_DEFAULT)
- {
- /* Are we a uline or is it a servermode? */
- if ((!ServerInstance->ULine(user->server)) && (!servermode))
- {
- /* Not enough permission:
- * NOT a uline and NOT a servermode,
- * OR, NOT halfop or above.
- */
- user->WriteServ("482 %s %s :You're not a channel %soperator",user->nick, targetchannel->name,
- ServerInstance->Config->AllowHalfop ? "(half)" : "");
- return;
- }
- }
+ SkipAccessChecks = (MOD_RESULT == ACR_ALLOW);
}
}
else if (targetuser)
mask = MASK_USER;
if ((user != targetuser) && (!ServerInstance->ULine(user->server)))
{
- user->WriteServ("502 %s :Can't change mode for other users", user->nick);
+ user->WriteNumeric(502, "%s :Can't change mode for other users", user->nick);
return;
}
}
else
{
/* No such nick/channel */
- user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
+ user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick, parameters[0]);
return;
}
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? */
continue;
}
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, parameter, adding, 1));
- if (MOD_RESULT == ACR_DENY)
- return;
-
- 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) == 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;
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, parameter, adding, 1, servermode));
}
else
{
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, "", adding, 0));
- if (MOD_RESULT == ACR_DENY)
- return;
+ FOREACH_RESULT(I_OnRawMode, OnRawMode(user, targetchannel, modechar, "", adding, 0, servermode));
+ }
- /* Fix by brain: mode watchers not being called for parameterless modes */
- for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
+ 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()))
{
- if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == false)
+ 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)
{
- abort = true;
- break;
+ /* Bog off */
+ user->WriteNumeric(482, "%s %s :You must have channel privilege %c or above to %sset channel mode %c",
+ user->nick, targetchannel->name, needed, adding ? "" : "un", modechar);
+ continue;
}
}
+ }
- if (abort)
- 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;
+
/* 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()) && (!IS_OPER(user)))
+ if (adding && (IS_LOCAL(user)) && (modehandlers[handler_id]->NeedsOper()) && (!user->HasModePermission(modehandlers[handler_id]->GetModeChar(), type)))
{
- user->WriteServ("481 %s :Permission Denied - Only IRC operators may %sset %s mode %c", user->nick,
- adding ? "" : "un", type == MODETYPE_CHANNEL ? "channel" : "user",
- modehandlers[handler_id]->GetModeChar());
+ if (IS_OPER(user))
+ {
+ user->WriteNumeric(481, "%s :Permission Denied - Oper type %s does not have access to set %s mode %c",
+ user->nick,
+ user->oper,
+ type == MODETYPE_CHANNEL ? "channel" : "user",
+ modehandlers[handler_id]->GetModeChar());
+ }
+ else
+ {
+ user->WriteNumeric(481, "%s :Permission Denied - Only operators may set %s mode %c",
+ user->nick,
+ 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.empty()))
{
/* 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;
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 ((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("!*@*");
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:
return NULL;
}
-std::string ModeParser::ModeString(User* user, Channel* channel)
+std::string ModeParser::ModeString(User* user, Channel* channel, bool nick_suffix)
{
std::string types;
std::string pars;
ret = mh->ModeSet(NULL, user, channel, user->nick);
if ((ret.first) && (ret.second == user->nick))
{
- pars.append(" ");
- pars.append(user->nick);
+ if (nick_suffix)
+ {
+ pars.append(" ");
+ pars.append(user->nick);
+ }
types.push_back(mh->GetModeChar());
}
}
}
- return types+pars;
+ if (nick_suffix)
+ return types+pars;
+ else
+ return types;
}
std::string ModeParser::ChanModes()
/** This default implementation can remove simple user modes
*/
-void ModeHandler::RemoveMode(User* user)
+void ModeHandler::RemoveMode(User* user, irc::modestacker* stack)
{
char moderemove[MAXBUF];
const char* parameters[] = { user->nick, moderemove };
if (user->IsModeSet(this->GetModeChar()))
{
- sprintf(moderemove,"-%c",this->GetModeChar());
- ServerInstance->Parser->CallHandler("MODE", parameters, 2, user);
+ if (stack)
+ {
+ stack->Push(this->GetModeChar());
+ }
+ else
+ {
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ ServerInstance->Parser->CallHandler("MODE", parameters, 2, user);
+ }
}
}
/** This default implementation can remove simple channel modes
* (no parameters)
*/
-void ModeHandler::RemoveMode(Channel* channel)
+void ModeHandler::RemoveMode(Channel* channel, irc::modestacker* stack)
{
char moderemove[MAXBUF];
const char* parameters[] = { channel->name, moderemove };
if (channel->IsModeSet(this->GetModeChar()))
{
- sprintf(moderemove,"-%c",this->GetModeChar());
- ServerInstance->SendMode(parameters, 2, ServerInstance->FakeClient);
+ if (stack)
+ {
+ stack->Push(this->GetModeChar());
+ }
+ else
+ {
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ ServerInstance->SendMode(parameters, 2, ServerInstance->FakeClient);
+ }
}
}
projects / user / henk / code / inspircd.git / blobdiff