#include "inspircd.h"
#include "configreader.h"
#include <unistd.h>
-#include <sys/errno.h>
-#include <time.h>
-#include <string>
#include "hash_map.h"
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
#include "connection.h"
#include "users.h"
-#include "ctables.h"
-#include "globals.h"
#include "modules.h"
-#include "dynamic.h"
-#include "wildcard.h"
#include "message.h"
-#include "commands.h"
-#include "xline.h"
#include "inspstring.h"
#include "helperfuncs.h"
+#include "commands.h"
#include "mode.h"
/* +s (secret) */
#include "modes/cmode_b.h"
/* +m (moderated) */
#include "modes/cmode_m.h"
+/* +t (only (half) ops can change topic) */
+#include "modes/cmode_t.h"
+/* +n (no external messages) */
+#include "modes/cmode_n.h"
+/* +i (invite only) */
+#include "modes/cmode_i.h"
+/* +k (keyed channel) */
+#include "modes/cmode_k.h"
+/* +l (channel user limit) */
+#include "modes/cmode_l.h"
+/* +o (channel op) */
+#include "modes/cmode_o.h"
+/* +h (channel halfop) */
+#include "modes/cmode_h.h"
+/* +v (channel voice) */
+#include "modes/cmode_v.h"
+
+/* +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;
return MODEACTION_DENY;
}
+ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)
+{
+ if (dest)
+ {
+ return std::make_pair(dest->IsModeSet(this->mode), "");
+ }
+ else
+ {
+ return std::make_pair(channel->IsModeSet(this->mode), "");
+ }
+}
+
void ModeHandler::DisplayList(userrec* user, chanrec* channel)
{
}
{
}
-userrec* ModeParser::SanityChecks(userrec *user,char *dest,chanrec *chan,int status)
+userrec* ModeParser::SanityChecks(userrec *user,const char *dest,chanrec *chan,int status)
{
userrec *d;
if ((!user) || (!dest) || (!chan) || (!*dest))
return d;
}
-char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
+const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
{
if (!chan)
- return NULL;
+ return "";
for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
{
- if (((ucrec*)(*i))->channel == chan)
+ ucrec* n = (ucrec*)(*i);
+ if (n->channel == chan)
{
- if (((ucrec*)(*i))->uc_modes & MASK)
+ if (n->uc_modes & MASK)
{
- return NULL;
+ return "";
}
- ((ucrec*)(*i))->uc_modes = ((ucrec*)(*i))->uc_modes | MASK;
+ n->uc_modes = n->uc_modes | MASK;
switch (MASK)
{
case UCMODE_OP:
- ((ucrec*)(*i))->channel->AddOppedUser(d);
+ n->channel->AddOppedUser(d);
break;
case UCMODE_HOP:
- ((ucrec*)(*i))->channel->AddHalfoppedUser(d);
+ n->channel->AddHalfoppedUser(d);
break;
case UCMODE_VOICE:
- ((ucrec*)(*i))->channel->AddVoicedUser(d);
+ n->channel->AddVoicedUser(d);
break;
}
- log(DEBUG,"grant: %s %s",((ucrec*)(*i))->channel->name,d->nick);
+ log(DEBUG,"grant: %s %s",n->channel->name,d->nick);
return d->nick;
}
}
- return NULL;
+ return "";
}
-char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
+const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
{
if (!chan)
- return NULL;
+ return "";
for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
{
- if (((ucrec*)(*i))->channel == chan)
+ ucrec* n = (ucrec*)(*i);
+ if (n->channel == chan)
{
- if ((((ucrec*)(*i))->uc_modes & MASK) == 0)
+ if ((n->uc_modes & MASK) == 0)
{
- return NULL;
+ return "";
}
- ((ucrec*)(*i))->uc_modes ^= MASK;
+ n->uc_modes ^= MASK;
switch (MASK)
{
case UCMODE_OP:
- ((ucrec*)(*i))->channel->DelOppedUser(d);
+ n->channel->DelOppedUser(d);
break;
case UCMODE_HOP:
- ((ucrec*)(*i))->channel->DelHalfoppedUser(d);
+ n->channel->DelHalfoppedUser(d);
break;
case UCMODE_VOICE:
- ((ucrec*)(*i))->channel->DelVoicedUser(d);
+ n->channel->DelVoicedUser(d);
break;
}
- log(DEBUG,"revoke: %s %s",((ucrec*)(*i))->channel->name,d->nick);
+ log(DEBUG,"revoke: %s %s",n->channel->name,d->nick);
return d->nick;
}
}
- return NULL;
-}
-
-char* ModeParser::GiveOps(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
- {
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_OP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_OP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Grant(d,chan,UCMODE_OP);
- }
- return NULL;
-}
-
-char* ModeParser::GiveHops(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
- {
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_HALFOP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_OP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Grant(d,chan,UCMODE_HOP);
- }
- return NULL;
-}
-
-char* ModeParser::GiveVoice(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
- {
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_VOICE));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_HOP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Grant(d,chan,UCMODE_VOICE);
- }
- return NULL;
+ return "";
}
-char* ModeParser::TakeOps(userrec *user,char *dest,chanrec *chan,int status)
+void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text)
{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
+ if (targetchannel)
{
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEOP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_OP) && (!is_uline(user->server)) && (IS_LOCAL(user)))
- {
- WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Revoke(d,chan,UCMODE_OP);
+ /* 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);
+ return;
}
- return NULL;
-}
-
-char* ModeParser::TakeHops(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
+ else if (targetuser)
{
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEHALFOP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- /* Tweak by Brain suggested by w00t, allow a halfop to dehalfop themselves */
- if ((user != d) && ((status < STATUS_OP) && (!is_uline(user->server))))
- {
- WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Revoke(d,chan,UCMODE_HOP);
+ /* 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;
}
- return NULL;
-}
-char* ModeParser::TakeVoice(userrec *user,char *dest,chanrec *chan,int status)
-{
- userrec *d = this->SanityChecks(user,dest,chan,status);
-
- if (d)
- {
- if (IS_LOCAL(user))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEVOICE));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if ((status < STATUS_HOP) && (!is_uline(user->server)))
- {
- WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, chan->name);
- return NULL;
- }
- }
- }
-
- return this->Revoke(d,chan,UCMODE_VOICE);
- }
- return NULL;
+ /* No such nick/channel */
+ WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, text);
+ return;
}
-void ModeParser::Process(char **parameters, int pcnt, userrec *user, bool servermode)
+void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode)
{
std::string target = parameters[0];
ModeType type = MODETYPE_USER;
log(DEBUG,"ModeParser::Process start");
- if (pcnt > 1)
+ if (pcnt == 1)
+ {
+ this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]);
+ }
+ else if (pcnt > 1)
{
if (targetchannel)
{
- log(DEBUG,"Target type is CHANNEL");
type = MODETYPE_CHANNEL;
mask = MASK_CHANNEL;
+
+ /* Extra security checks on channel modes
+ * (e.g. are they a (half)op?
+ */
+
+ if ((IS_LOCAL(user)) && (cstatus(user, targetchannel) < STATUS_HOP))
+ {
+ /* 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);
+ return;
+ }
+ }
}
else if (targetuser)
{
- log(DEBUG,"Target type is USER");
type = MODETYPE_USER;
mask = MASK_USER;
}
else
{
/* No such nick/channel */
- log(DEBUG,"Target type is UNKNOWN, bailing");
+ WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
return;
}
+
+ /* Special case for displaying the list for listmodes,
+ * e.g. MODE #chan b, or MODE #chan +b without a parameter
+ */
+ if ((type== MODETYPE_CHANNEL) && (pcnt == 2))
+ {
+ const char* mode = parameters[1];
+ if (*mode == '+')
+ mode++;
+
+ unsigned char handler_id = ((*mode) - 65) | mask;
+ ModeHandler* mh = modehandlers[handler_id];
+
+ if ((mh) && (mh->IsListMode()))
+ {
+ mh->DisplayList(user, targetchannel);
+ }
+ }
+
std::string mode_sequence = parameters[1];
std::string parameter = "";
std::ostringstream parameter_list;
std::string output_sequence = "";
bool adding = true, state_change = false;
- int handler_id = 0;
+ unsigned char handler_id = 0;
int parameter_counter = 2; /* Index of first parameter */
- for (std::string::const_iterator modeletter = mode_sequence.begin(); modeletter != mode_sequence.end(); modeletter++)
+ for (std::string::const_iterator letter = mode_sequence.begin(); letter != mode_sequence.end(); letter++)
{
- switch (*modeletter)
- {
-
- log(DEBUG,"Iterate mode letter %c",*modeletter);
+ unsigned char modechar = *letter;
+ 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
* a user mode. This is a little stranger, but a lot
* faster, than using a map of pairs.
*/
- handler_id = (*modeletter - 65) | mask;
+ handler_id = (modechar - 65) | mask;
if (modehandlers[handler_id])
{
bool abort = false;
- log(DEBUG,"Found a ModeHandler* for mode %c",*modeletter);
-
for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
{
- log(DEBUG,"Call a ModeWatcher*");
if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
abort = true;
}
if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
{
- log(DEBUG,"Modetype match, calling handler");
-
if (modehandlers[handler_id]->GetNumParams(adding))
{
- log(DEBUG,"ModeHandler* for this mode says it has parameters. pcnt=%d parameter_counter=%d",pcnt,parameter_counter);
-
+ /* This mode expects a parameter, do we have any parameters left in our list to use? */
if (parameter_counter < pcnt)
{
parameter = parameters[parameter_counter++];
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))
+ continue;
+
+ /* Call the handler for the mode */
ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == ""))
if (ma == MODEACTION_ALLOW)
{
- log(DEBUG,"ModeAction was allow");
-
/* We're about to output a valid mode letter - was there previously a pending state-change? */
if (state_change)
- {
- log(DEBUG,"Appending state change");
output_sequence.append(adding ? "+" : "-");
- }
/* Add the mode letter */
- output_sequence = output_sequence + *modeletter;
- log(DEBUG,"Added mode letter to output sequence, sequence now: '%s'",output_sequence.c_str());
+ output_sequence.push_back(modechar);
/* Is there a valid parameter for this mode? If so add it to the parameter list */
if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter != ""))
- {
- log(DEBUG,"Added parameter to parameter_list, list now: '%s'",parameter_list.str().c_str());
parameter_list << " " << parameter;
- }
/* 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++)
- {
- log(DEBUG,"Called a ModeWatcher* after event");
(*watchers)->AfterMode(user, targetuser, targetchannel, parameter, adding, type);
- }
/* Reset the state change flag */
state_change = false;
}
}
}
+ else
+ {
+ /* No mode handler? Unknown mode character then. */
+ WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick, modechar);
+ }
break;
}
}
{
WriteChannelWithServ(Config->ServerName,targetchannel,"MODE %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
}
+ else
+ {
+ WriteServ(targetuser->fd,"MODE %s %s",targetuser->nick,output_sequence.c_str());
+ }
}
else
{
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()));
}
+ else
+ {
+ WriteTo(user,targetuser,"MODE %s %s",targetuser->nick,output_sequence.c_str());
+ FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence));
+ }
}
}
}
}
-void cmd_mode::Handle (char **parameters, int pcnt, userrec *user)
+void cmd_mode::Handle (const char** parameters, int pcnt, userrec *user)
{
if (!user)
return;
* 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 ((modeletter < 'A') || (modeletter > 'z'))
+ if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
return false;
mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
- pos = (modeletter-65) | mask;
+ pos = (mh->GetModeChar()-65) | mask;
if (modehandlers[pos])
return false;
modehandlers[pos] = mh;
- log(DEBUG,"ModeParser::AddMode: added mode %c",modeletter);
+ log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar());
+ return true;
+}
+
+ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ if ((modeletter < 'A') || (modeletter > 'z'))
+ return NULL;
+
+ mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (modeletter-65) | mask;
+
+ return modehandlers[pos];
+}
+
+bool ModeParser::AddModeWatcher(ModeWatcher* mw)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ if (!mw)
+ return false;
+
+ if ((mw->GetModeChar() < 'A') || (mw->GetModeChar() > 'z'))
+ return false;
+
+ mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mw->GetModeChar()-65) | mask;
+
+ modewatchers[pos].push_back(mw);
+ log(DEBUG,"ModeParser::AddModeWatcher: watching mode %c",mw->GetModeChar());
+
+ return true;
+}
+
+bool ModeParser::DelModeWatcher(ModeWatcher* mw)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ if (!mw)
+ return false;
+
+ if ((mw->GetModeType() < 'A') || (mw->GetModeType() > 'z'))
+ return false;
+
+ mw->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mw->GetModeChar()-65) | mask;
+
+ 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;
}
memset(modewatchers, 0, sizeof(modewatchers));
/* Initialise the RFC mode letters */
+
+ /* Start with channel simple modes, no params */
this->AddMode(new ModeChannelSecret, 's');
this->AddMode(new ModeChannelPrivate, 'p');
- this->AddMode(new ModeChannelBan, 'b');
this->AddMode(new ModeChannelModerated, 'm');
+ this->AddMode(new ModeChannelTopicOps, 't');
+ this->AddMode(new ModeChannelNoExternal, 'n');
+ this->AddMode(new ModeChannelInviteOnly, 'i');
+
+ /* Cannel modes with params */
+ this->AddMode(new ModeChannelKey, 'k');
+ this->AddMode(new ModeChannelLimit, 'l');
+
+ /* Channel listmodes */
+ this->AddMode(new ModeChannelBan, 'b');
+ this->AddMode(new ModeChannelOp, 'o');
+ this->AddMode(new ModeChannelHalfOp, 'h');
+ this->AddMode(new ModeChannelVoice, 'v');
+
+ /* 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');
}