* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
+ * E-mail:
+ * <brain@chatspike.net>
+ * <Craig@chatspike.net>
*
* Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
- * the file COPYING for details.
+ * the file COPYING for details.
*
* ---------------------------------------------------
*/
+using namespace std;
+
#include "inspircd.h"
-#include "inspircd_io.h"
-#include "inspircd_util.h"
-#include "inspircd_config.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <cstdio>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <errno.h>
-#include <deque>
-#include <errno.h>
-#include <unistd.h>
-#include <sched.h>
-#include "connection.h"
#include "users.h"
-#include "servers.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 "mode.h"
+
+/* +s (secret) */
+#include "modes/cmode_s.h"
+/* +p (private) */
+#include "modes/cmode_p.h"
+/* +b (bans) */
+#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"
+
+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)
+{
+}
-using namespace std;
+ModeHandler::~ModeHandler()
+{
+}
-extern int MODCOUNT;
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<std::string> module_names;
-
-
-extern int LogLevel;
-extern char ServerName[MAXBUF];
-extern char Network[MAXBUF];
-extern char ServerDesc[MAXBUF];
-extern char AdminName[MAXBUF];
-extern char AdminEmail[MAXBUF];
-extern char AdminNick[MAXBUF];
-extern char diepass[MAXBUF];
-extern char restartpass[MAXBUF];
-extern char motd[MAXBUF];
-extern char rules[MAXBUF];
-extern char list[MAXBUF];
-extern char PrefixQuit[MAXBUF];
-extern char DieValue[MAXBUF];
-
-extern bool AllowHalfop;
-extern bool AllowProtect;
-extern bool AllowFounder;
-
-extern time_t TIME;
-
-char* give_ops(userrec *user,char *dest,chanrec *chan,int status)
+bool ModeHandler::IsListMode()
{
- userrec *d;
-
- if ((!user) || (!dest) || (!chan))
- {
- log(DEFAULT,"*** BUG *** give_ops was given an invalid parameter");
- return NULL;
- }
+ return list;
+}
- if (!isnick(dest))
- {
- log(DEFAULT,"the target nickname given to give_ops was invalid");
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- d = Find(dest);
- if (!d)
- {
- log(DEFAULT,"the target nickname given to give_ops couldnt be found");
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- else
- {
+unsigned int ModeHandler::GetPrefixRank()
+{
+ return 0;
+}
- int MOD_RESULT = 0;
- FOREACH_RESULT(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)))
- {
- log(DEBUG,"%s cant give ops to %s because they nave status %d and needs %d",user->nick,dest,status,STATUS_OP);
- WriteServ(user->fd,"482 %s %s :You're not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
+ModeType ModeHandler::GetModeType()
+{
+ return m_type;
+}
+bool ModeHandler::NeedsOper()
+{
+ return oper;
+}
- for (int i = 0; i != MAXCHANS; i++)
- {
- if ((d->chans[i].channel != NULL) && (chan != NULL))
- if (!strcasecmp(d->chans[i].channel->name,chan->name))
- {
- if (d->chans[i].uc_modes & UCMODE_OP)
- {
- /* mode already set on user, dont allow multiple */
- log(DEFAULT,"The target user given to give_ops was already opped on the channel");
- return NULL;
- }
- d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_OP;
- log(DEBUG,"gave ops: %s %s",d->chans[i].channel->name,d->nick);
- return d->nick;
- }
- }
- log(DEFAULT,"The target channel given to give_ops was not in the users mode list");
- }
- return NULL;
+char ModeHandler::GetPrefix()
+{
+ return prefix;
}
-char* give_hops(userrec *user,char *dest,chanrec *chan,int status)
+int ModeHandler::GetNumParams(bool adding)
{
- userrec *d;
-
- if ((!user) || (!dest) || (!chan))
- {
- log(DEFAULT,"*** BUG *** give_hops was given an invalid parameter");
- return NULL;
- }
+ return adding ? n_params_on : n_params_off;
+}
- d = Find(dest);
- if (!isnick(dest))
- {
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- if (!d)
+char ModeHandler::GetModeChar()
+{
+ return mode;
+}
+
+ModeAction ModeHandler::OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
+{
+ return MODEACTION_DENY;
+}
+
+ModePair ModeHandler::ModeSet(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter)
+{
+ if (dest)
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
+ return std::make_pair(dest->IsModeSet(this->mode), "");
}
else
{
- int MOD_RESULT = 0;
- FOREACH_RESULT(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;
- }
- }
-
- for (int i = 0; i != MAXCHANS; i++)
- {
- if ((d->chans[i].channel != NULL) && (chan != NULL))
- if (!strcasecmp(d->chans[i].channel->name,chan->name))
- {
- if (d->chans[i].uc_modes & UCMODE_HOP)
- {
- /* mode already set on user, dont allow multiple */
- return NULL;
- }
- d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_HOP;
- log(DEBUG,"gave h-ops: %s %s",d->chans[i].channel->name,d->nick);
- return d->nick;
- }
- }
+ return std::make_pair(channel->IsModeSet(this->mode), "");
}
- return NULL;
}
-char* give_voice(userrec *user,char *dest,chanrec *chan,int status)
+void ModeHandler::DisplayList(userrec* user, chanrec* channel)
{
- userrec *d;
-
- if ((!user) || (!dest) || (!chan))
- {
- log(DEFAULT,"*** BUG *** give_voice was given an invalid parameter");
- return NULL;
- }
+}
- d = Find(dest);
- if (!isnick(dest))
- {
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- if (!d)
- {
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- else
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(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;
- }
- }
+bool ModeHandler::CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, chanrec* channel)
+{
+ return (ours < theirs);
+}
- for (int i = 0; i != MAXCHANS; i++)
- {
- if ((d->chans[i].channel != NULL) && (chan != NULL))
- if (!strcasecmp(d->chans[i].channel->name,chan->name))
- {
- if (d->chans[i].uc_modes & UCMODE_VOICE)
- {
- /* mode already set on user, dont allow multiple */
- return NULL;
- }
- d->chans[i].uc_modes = d->chans[i].uc_modes | UCMODE_VOICE;
- log(DEBUG,"gave voice: %s %s",d->chans[i].channel->name,d->nick);
- return d->nick;
- }
- }
- }
- return NULL;
+ModeWatcher::ModeWatcher(InspIRCd* Instance, char modeletter, ModeType type) : ServerInstance(Instance), mode(modeletter), m_type(type)
+{
}
-char* take_ops(userrec *user,char *dest,chanrec *chan,int status)
+ModeWatcher::~ModeWatcher()
{
- userrec *d;
-
- if ((!user) || (!dest) || (!chan))
- {
- log(DEFAULT,"*** BUG *** take_ops was given an invalid parameter");
- return NULL;
- }
+}
- d = Find(dest);
- if (!isnick(dest))
- {
- log(DEBUG,"take_ops was given an invalid target nickname of %s",dest);
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- if (!d)
- {
- log(DEBUG,"take_ops couldnt resolve the target nickname: %s",dest);
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- else
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(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)))
- {
- WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
- return NULL;
- }
- }
+char ModeWatcher::GetModeChar()
+{
+ return mode;
+}
- for (int i = 0; i != MAXCHANS; i++)
- {
- if ((d->chans[i].channel != NULL) && (chan != NULL))
- if (!strcasecmp(d->chans[i].channel->name,chan->name))
- {
- if ((d->chans[i].uc_modes & UCMODE_OP) == 0)
- {
- /* mode already set on user, dont allow multiple */
- return NULL;
- }
- d->chans[i].uc_modes ^= UCMODE_OP;
- log(DEBUG,"took ops: %s %s",d->chans[i].channel->name,d->nick);
- return d->nick;
- }
- }
- log(DEBUG,"take_ops couldnt locate the target channel in the target users list");
- }
- return NULL;
+ModeType ModeWatcher::GetModeType()
+{
+ return m_type;
}
-char* take_hops(userrec *user,char *dest,chanrec *chan,int status)
+bool ModeWatcher::BeforeMode(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding, ModeType type)
{
- userrec *d;
-
- if ((!user) || (!dest) || (!chan))
- {
- log(DEFAULT,"*** BUG *** take_hops was given an invalid parameter");
- return NULL;
- }
+ return true;
+}
+
+void ModeWatcher::AfterMode(userrec* source, userrec* dest, chanrec* channel, const std::string ¶meter, bool adding, ModeType type)
+{
+}
- d = Find(dest);
- if (!isnick(dest))
+userrec* ModeParser::SanityChecks(userrec *user,const char *dest,chanrec *chan,int status)
+{
+ userrec *d;
+ if ((!user) || (!dest) || (!chan) || (!*dest))
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
return NULL;
}
+ d = ServerInstance->FindNick(dest);
if (!d)
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
+ user->WriteServ("401 %s %s :No such nick/channel",user->nick, dest);
return NULL;
}
- else
+ return d;
+}
+
+const char* ModeParser::Grant(userrec *d,chanrec *chan,int MASK)
+{
+ if (!chan)
+ return "";
+
+ for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
{
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEHALFOP));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
+ ucrec* n = (ucrec*)(*i);
+ if (n->channel == chan)
{
- if ((status < STATUS_OP) && (!is_uline(user->server)))
+ if (n->uc_modes & MASK)
{
- WriteServ(user->fd,"482 %s %s :You are not a channel operator",user->nick, chan->name);
- return NULL;
+ return "";
}
- }
-
- for (int i = 0; i != MAXCHANS; i++)
- {
- if ((d->chans[i].channel != NULL) && (chan != NULL))
- if (!strcasecmp(d->chans[i].channel->name,chan->name))
+ n->uc_modes = n->uc_modes | MASK;
+ switch (MASK)
{
- if ((d->chans[i].uc_modes & UCMODE_HOP) == 0)
- {
- /* mode already set on user, dont allow multiple */
- return NULL;
- }
- d->chans[i].uc_modes ^= UCMODE_HOP;
- log(DEBUG,"took h-ops: %s %s",d->chans[i].channel->name,d->nick);
- return d->nick;
+ case UCMODE_OP:
+ n->channel->AddOppedUser(d);
+ break;
+ case UCMODE_HOP:
+ n->channel->AddHalfoppedUser(d);
+ break;
+ case UCMODE_VOICE:
+ n->channel->AddVoicedUser(d);
+ break;
}
+ ServerInstance->Log(DEBUG,"grant: %s %s",n->channel->name,d->nick);
+ return d->nick;
}
}
- return NULL;
+ return "";
}
-char* take_voice(userrec *user,char *dest,chanrec *chan,int status)
+const char* ModeParser::Revoke(userrec *d,chanrec *chan,int MASK)
{
- userrec *d;
-
- if ((!user) || (!dest) || (!chan))
- {
- log(DEFAULT,"*** BUG *** take_voice was given an invalid parameter");
- return NULL;
- }
+ if (!chan)
+ return "";
- d = Find(dest);
- if (!isnick(dest))
- {
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- if (!d)
+ for (std::vector<ucrec*>::const_iterator i = d->chans.begin(); i != d->chans.end(); i++)
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, dest);
- return NULL;
- }
- else
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnAccessCheck(user,d,chan,AC_DEVOICE));
-
- if (MOD_RESULT == ACR_DENY)
- return NULL;
- if (MOD_RESULT == ACR_DEFAULT)
+ ucrec* n = (ucrec*)(*i);
+ if (n->channel == chan)
{
- if ((status < STATUS_HOP) && (!is_uline(user->server)))
+ if ((n->uc_modes & MASK) == 0)
{
- 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 "";
}
- }
-
- for (int i = 0; i != MAXCHANS; i++)
- {
- if ((d->chans[i].channel != NULL) && (chan != NULL))
- if (!strcasecmp(d->chans[i].channel->name,chan->name))
+ n->uc_modes ^= MASK;
+ switch (MASK)
{
- if ((d->chans[i].uc_modes & UCMODE_VOICE) == 0)
- {
- /* mode already set on user, dont allow multiple */
- return NULL;
- }
- d->chans[i].uc_modes ^= UCMODE_VOICE;
- log(DEBUG,"took voice: %s %s",d->chans[i].channel->name,d->nick);
- return d->nick;
+ case UCMODE_OP:
+ n->channel->DelOppedUser(d);
+ break;
+ case UCMODE_HOP:
+ n->channel->DelHalfoppedUser(d);
+ break;
+ case UCMODE_VOICE:
+ n->channel->DelVoicedUser(d);
+ break;
}
+ ServerInstance->Log(DEBUG,"revoke: %s %s",n->channel->name,d->nick);
+ return d->nick;
}
}
- return NULL;
+ return "";
}
-char* add_ban(userrec *user,char *dest,chanrec *chan,int status)
+void ModeParser::DisplayCurrentModes(userrec *user, userrec* targetuser, chanrec* targetchannel, const char* text)
{
- if ((!user) || (!dest) || (!chan)) {
- log(DEFAULT,"*** BUG *** add_ban was given an invalid parameter");
- return NULL;
- }
-
- BanItem b;
- if ((!user) || (!dest) || (!chan))
- return NULL;
- int l = strlen(dest);
- if (strchr(dest,'!')==0)
- return NULL;
- if (strchr(dest,'@')==0)
- return NULL;
- for (int i = 0; i < l; i++)
- if (dest[i] < 32)
- return NULL;
- for (int i = 0; i < l; i++)
- if (dest[i] > 126)
- return NULL;
- int c = 0;
- for (int i = 0; i < l; i++)
- if (dest[i] == '!')
- c++;
- if (c>1)
- return NULL;
- c = 0;
- for (int i = 0; i < l; i++)
- if (dest[i] == '@')
- c++;
- if (c>1)
- return NULL;
-
- long maxbans = GetMaxBans(chan->name);
- if (chan->bans.size() > maxbans)
+ if (targetchannel)
{
- WriteServ(user->fd,"478 %s %s :Channel ban list for %s is full (maximum entries for this channel is %d)",user->nick, chan->name,chan->name,maxbans);
- return NULL;
+ /* 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 %d", user->nick, targetchannel->name, targetchannel->created);
+ return;
}
-
- log(DEBUG,"add_ban: %s %s",chan->name,user->nick);
-
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnAddBan(user,chan,dest));
- if (MOD_RESULT)
- return NULL;
-
- TidyBan(dest);
- for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
+ else if (targetuser)
{
- if (!strcasecmp(i->data,dest))
- {
- // dont allow a user to set the same ban twice
- return NULL;
- }
+ /* Display user's current mode string */
+ user->WriteServ("221 %s :+%s",targetuser->nick,targetuser->FormatModes());
+ if (*targetuser->oper)
+ user->WriteServ("008 %s +%s :Server notice mask", targetuser->nick, targetuser->FormatNoticeMasks());
+ return;
}
- b.set_time = TIME;
- strncpy(b.data,dest,MAXBUF);
- strncpy(b.set_by,user->nick,NICKMAX);
- chan->bans.push_back(b);
- return dest;
+ /* No such nick/channel */
+ user->WriteServ("401 %s %s :No such nick/channel",user->nick, text);
+ return;
}
-char* take_ban(userrec *user,char *dest,chanrec *chan,int status)
+void ModeParser::Process(const char** parameters, int pcnt, userrec *user, bool servermode)
{
- if ((!user) || (!dest) || (!chan)) {
- log(DEFAULT,"*** BUG *** take_ban was given an invalid parameter");
- return 0;
+ std::string target = parameters[0];
+ ModeType type = MODETYPE_USER;
+ unsigned char mask = 0;
+ chanrec* targetchannel = ServerInstance->FindChan(parameters[0]);
+ userrec* targetuser = ServerInstance->FindNick(parameters[0]);
+
+ ServerInstance->Log(DEBUG,"ModeParser::Process start");
+
+ /* Special case for displaying the list for listmodes,
+ * e.g. MODE #chan b, or MODE #chan +b without a parameter
+ */
+ if ((targetchannel) && (pcnt == 2))
+ {
+ ServerInstance->Log(DEBUG,"Spool list");
+ 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()))
+ {
+ mh->DisplayList(user, targetchannel);
+ return;
+ }
}
- log(DEBUG,"del_ban: %s %s",chan->name,user->nick);
- for (BanList::iterator i = chan->bans.begin(); i != chan->bans.end(); i++)
+ if (pcnt == 1)
{
- if (!strcasecmp(i->data,dest))
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnDelBan(user,chan,dest));
- if (MOD_RESULT)
- return NULL;
- chan->bans.erase(i);
- return dest;
- }
+ ServerInstance->Log(DEBUG,"Mode list request");
+ this->DisplayCurrentModes(user, targetuser, targetchannel, parameters[0]);
}
- return NULL;
-}
-
-// tidies up redundant modes, e.g. +nt-nt+i becomes +-+i,
-// a section further down the chain tidies up the +-+- crap.
-std::string compress_modes(std::string modes,bool channelmodes)
-{
- int counts[127];
- bool active[127];
- int delta = 1;
- memset(counts,0,sizeof(counts));
- memset(active,0,sizeof(active));
- log(DEBUG,"compress_modes: %s",modes.c_str());
- for (int i = 0; i < modes.length(); i++)
+ else if (pcnt > 1)
{
- if ((modes[i] == '+') || (modes[i] == '-'))
- continue;
- if (channelmodes)
+ ServerInstance->Log(DEBUG,"More than one parameter");
+
+ if (targetchannel)
{
- if ((strchr("itnmsp",modes[i])) || ((ModeDefined(modes[i],MT_CHANNEL)) && (ModeDefinedOn(modes[i],MT_CHANNEL)==0) && (ModeDefinedOff(modes[i],MT_CHANNEL)==0)))
+ type = MODETYPE_CHANNEL;
+ mask = MASK_CHANNEL;
+
+ /* Extra security checks on channel modes
+ * (e.g. are they a (half)op?
+ */
+
+ if ((IS_LOCAL(user)) && (targetchannel->GetStatus(user) < STATUS_HOP))
{
- log(DEBUG,"Tidy mode %c",modes[i]);
- counts[(unsigned int)modes[i]]++;
- active[(unsigned int)modes[i]] = true;
+ /* We don't have halfop */
+ ServerInstance->Log(DEBUG,"The user is not a halfop or above, checking other reasons for being able to set the modes");
+
+ 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 (half)operator",user->nick, targetchannel->name);
+ return;
+ }
+ }
}
}
- else
+ else if (targetuser)
{
- log(DEBUG,"Tidy mode %c",modes[i]);
- counts[(unsigned int)modes[i]]++;
- active[(unsigned int)modes[i]] = true;
+ type = MODETYPE_USER;
+ mask = MASK_USER;
}
- }
- for (int j = 65; j < 127; j++)
- {
- if ((counts[j] > 1) && (active[j] == true))
+ else
{
- static char v[2];
- v[0] = (unsigned char)j;
- v[1] = '\0';
- std::string mode_str = v;
- std::string::size_type pos = modes.find(mode_str);
- if (pos != std::string::npos)
- {
- log(DEBUG,"all occurances of mode %c to be deleted...",(unsigned char)j);
- while (modes.find(mode_str) != std::string::npos)
- modes.erase(modes.find(mode_str),1);
- log(DEBUG,"New mode line: %s",modes.c_str());
- }
+ /* No such nick/channel */
+ user->WriteServ("401 %s %s :No such nick/channel",user->nick, parameters[0]);
+ return;
}
- }
- return modes;
-}
-
-void process_modes(char **parameters,userrec* user,chanrec *chan,int status, int pcnt, bool servermode, bool silent, bool local)
-{
- if (!parameters) {
- log(DEFAULT,"*** BUG *** process_modes was given an invalid parameter");
- return;
- }
-
- char modelist[MAXBUF];
- char outlist[MAXBUF];
- char outstr[MAXBUF];
- char outpars[32][MAXBUF];
- int param = 2;
- int pc = 0;
- int ptr = 0;
- int mdir = 1;
- char* r = NULL;
- bool k_set = false, l_set = false, previously_set_l = false, previously_unset_l = false, previously_set_k = false, previously_unset_k = false;
-
- if (pcnt < 2)
- {
- return;
- }
-
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnAccessCheck(user,NULL,chan,AC_GENERAL_MODE));
-
- if (MOD_RESULT == ACR_DENY)
- return;
- log(DEBUG,"process_modes: start: parameters=%d",pcnt);
+ 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;
+ int parameter_counter = 2; /* Index of first parameter */
- strlcpy(modelist,parameters[1],MAXBUF); /* mode list, e.g. +oo-o *
- * parameters[2] onwards are parameters for
- * modes that require them :) */
- strlcpy(outlist,"+",MAXBUF);
- mdir = 1;
-
- log(DEBUG,"process_modes: modelist: %s",modelist);
-
- std::string tidied = compress_modes(modelist,true);
- strlcpy(modelist,tidied.c_str(),MAXBUF);
-
- int len = strlen(modelist);
- while (modelist[len-1] == ' ')
- modelist[--len] = '\0';
- for (ptr = 0; ptr < len; ptr++)
- {
- r = NULL;
+ /* 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++)
{
- log(DEBUG,"process_modes: modechar: %c",modelist[ptr]);
+ unsigned char modechar = *letter;
- char modechar = modelist[ptr];
- switch (modelist[ptr])
+ ServerInstance->Log(DEBUG,"Process letter %c", modechar);
+
+ 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;
+ continue;
+ break;
case '-':
- if (mdir != 0)
- {
- int t = strlen(outlist)-1;
- if ((outlist[t] == '+') || (outlist[t] == '-'))
- {
- outlist[t] = '-';
- }
- else
- {
- strcat(outlist,"-");
- }
- }
- mdir = 0;
-
- break;
+ if ((adding) || (!output_sequence.length()))
+ state_change = true;
+ adding = false;
+ continue;
+ break;
+ default:
- case '+':
- if (mdir != 1)
+ /**
+ * 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])
{
- int t = strlen(outlist)-1;
- if ((outlist[t] == '+') || (outlist[t] == '-'))
+ bool abort = false;
+
+ for (ModeWatchIter watchers = modewatchers[handler_id].begin(); watchers != modewatchers[handler_id].end(); watchers++)
{
- outlist[t] = '+';
+ if ((*watchers)->BeforeMode(user, targetuser, targetchannel, parameter, adding, type) == MODEACTION_DENY)
+ abort = true;
}
- else
+ if ((modehandlers[handler_id]->GetModeType() == type) && (!abort))
{
- strcat(outlist,"+");
- }
- }
- mdir = 1;
- break;
+ 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)
+ {
+ parameter = parameters[parameter_counter++];
- case 'o':
- log(DEBUG,"Ops");
- if ((param >= pcnt)) break;
- log(DEBUG,"Enough parameters left");
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- log(DEBUG,"calling give_ops");
- r = give_ops(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'o', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- log(DEBUG,"calling take_ops");
- r = take_ops(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- strlcat(outlist,"o",MAXBUF);
- strlcpy(outpars[pc++],r,MAXBUF);
- }
- break;
-
- case 'h':
- if (((param >= pcnt)) || (!AllowHalfop)) break;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = give_hops(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'h', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = take_hops(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- strlcat(outlist,"h",MAXBUF);
- strlcpy(outpars[pc++],r,MAXBUF);
- }
- break;
-
-
- case 'v':
- if ((param >= pcnt)) break;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = give_voice(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'v', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = take_voice(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- strlcat(outlist,"v",MAXBUF);
- strlcpy(outpars[pc++],r,MAXBUF);
- }
- break;
-
- case 'b':
- if ((param >= pcnt)) break;
- if (mdir == 1)
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- r = add_ban(user,parameters[param++],chan,status);
- }
- else param++;
- }
- else
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'b', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- r = take_ban(user,parameters[param++],chan,status);
- }
- else param++;
- }
- if (r)
- {
- strlcat(outlist,"b",MAXBUF);
- strlcpy(outpars[pc++],parameters[param-1],MAXBUF);
- }
- break;
-
-
- case 'k':
- if ((param >= pcnt))
- break;
-
- if (mdir == 1)
- {
- if (k_set)
- break;
-
- if (previously_unset_k)
- break;
- previously_set_k = true;
-
- if (!strcmp(chan->key,""))
- {
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
- strcat(outlist,"k");
- char key[MAXBUF];
- strlcpy(key,parameters[param++],32);
- strlcpy(outpars[pc++],key,MAXBUF);
- strlcpy(chan->key,key,MAXBUF);
- k_set = true;
- }
- else param++;
- }
- }
- else
- {
- /* checks on -k are case sensitive and only accurate to the
- first 32 characters */
- if (previously_set_k)
- break;
- previously_unset_k = true;
-
- char key[MAXBUF];
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'k', parameters[param], false, 1));
- if (!MOD_RESULT)
- {
- strlcpy(key,parameters[param++],32);
- /* only allow -k if correct key given */
- if (!strcmp(chan->key,key))
- {
- strlcat(outlist,"k",MAXBUF);
- strlcpy(chan->key,"",MAXBUF);
- strlcpy(outpars[pc++],key,MAXBUF);
- }
- }
- else param++;
- }
- break;
-
- case 'l':
- if (mdir == 0)
- {
- if (previously_set_l)
- break;
- previously_unset_l = true;
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'l', "", false, 0));
- if (!MOD_RESULT)
- {
- if (chan->limit)
- {
- strcat(outlist,"l");
- chan->limit = 0;
- }
- }
- }
-
- if ((param >= pcnt)) break;
- if (mdir == 1)
- {
- if (l_set)
- break;
- if (previously_unset_l)
- break;
- previously_set_l = true;
- bool invalid = false;
- for (int i = 0; i < strlen(parameters[param]); i++)
- {
- if ((parameters[param][i] < '0') || (parameters[param][i] > '9'))
- {
- invalid = true;
- }
- }
- if (atoi(parameters[param]) < 1)
- {
- invalid = true;
- }
-
- if (invalid)
- break;
-
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'l', parameters[param], true, 1));
- if (!MOD_RESULT)
- {
-
- chan->limit = atoi(parameters[param]);
-
- // reported by mech: large values cause underflow
- if (chan->limit < 0)
- chan->limit = 0x7FFF;
- }
-
- if (chan->limit)
- {
- strlcat(outlist,"l",MAXBUF);
- strlcpy(outpars[pc++],parameters[param++],MAXBUF);
- l_set = true;
- }
- }
- break;
-
- case 'i':
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'i', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->binarymodes & CM_INVITEONLY)) strlcat(outlist,"i",MAXBUF);
- chan->binarymodes |= CM_INVITEONLY;
- }
- else
- {
- if (chan->binarymodes & CM_INVITEONLY) strlcat(outlist,"i",MAXBUF);
- chan->binarymodes &= ~CM_INVITEONLY;
- }
- }
- break;
-
- case 't':
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 't', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->binarymodes & CM_TOPICLOCK)) strlcat(outlist,"t",MAXBUF);
- chan->binarymodes |= CM_TOPICLOCK;
- }
- else
- {
- if (chan->binarymodes & CM_NOEXTERNAL) strlcat(outlist,"t",MAXBUF);
- chan->binarymodes &= ~CM_TOPICLOCK;
- }
- }
- break;
-
- case 'n':
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'n', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->binarymodes & CM_NOEXTERNAL)) strlcat(outlist,"n",MAXBUF);
- chan->binarymodes |= CM_NOEXTERNAL;
- }
- else
- {
- if (chan->binarymodes & CM_NOEXTERNAL) strlcat(outlist,"n",MAXBUF);
- chan->binarymodes &= ~CM_NOEXTERNAL;
- }
- }
- break;
-
- case 'm':
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'm', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->binarymodes & CM_MODERATED)) strlcat(outlist,"m",MAXBUF);
- chan->binarymodes |= CM_MODERATED;
- }
- else
- {
- if (chan->binarymodes & CM_MODERATED) strlcat(outlist,"m",MAXBUF);
- chan->binarymodes &= ~CM_MODERATED;
- }
- }
- break;
-
- case 's':
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 's', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->binarymodes & CM_SECRET)) strlcat(outlist,"s",MAXBUF);
- chan->binarymodes |= CM_SECRET;
- if (chan->binarymodes & CM_PRIVATE)
- {
- chan->binarymodes &= ~CM_PRIVATE;
- if (mdir)
- {
- strlcat(outlist,"-p+",MAXBUF);
- }
- }
- }
- else
- {
- if (chan->binarymodes & CM_SECRET) strlcat(outlist,"s",MAXBUF);
- chan->binarymodes &= ~CM_SECRET;
- }
- }
- break;
-
- case 'p':
- MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, chan, 'p', "", mdir, 0));
- if (!MOD_RESULT)
- {
- if (mdir)
- {
- if (!(chan->binarymodes & CM_PRIVATE)) strlcat(outlist,"p",MAXBUF);
- chan->binarymodes |= CM_PRIVATE;
- if (chan->binarymodes & CM_SECRET)
- {
- chan->binarymodes &= ~CM_SECRET;
- if (mdir)
- {
- strlcat(outlist,"-s+",MAXBUF);
- }
- }
- }
- else
- {
- if (chan->binarymodes & CM_PRIVATE) strlcat(outlist,"p",MAXBUF);
- chan->binarymodes &= ~CM_PRIVATE;
- }
- }
- break;
-
- default:
- log(DEBUG,"Preprocessing custom mode %c: modelist: %s",modechar,chan->custom_modes);
- string_list p;
- p.clear();
- if (((!strchr(chan->custom_modes,modechar)) && (!mdir)) || ((strchr(chan->custom_modes,modechar)) && (mdir)))
- {
- if (!ModeIsListMode(modechar,MT_CHANNEL))
- {
- log(DEBUG,"Mode %c isnt set on %s but trying to remove!",modechar,chan->name);
- break;
- }
- }
- if (ModeDefined(modechar,MT_CHANNEL))
- {
- log(DEBUG,"A module has claimed this mode");
- if (param<pcnt)
- {
- if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
- {
- p.push_back(parameters[param]);
- }
- if ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir))
- {
- p.push_back(parameters[param]);
- }
- }
- bool handled = false;
- if (param>=pcnt)
- {
- // we're supposed to have a parameter, but none was given... so dont handle the mode.
- if (((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir)) || ((ModeDefinedOff(modechar,MT_CHANNEL)>0) && (!mdir)))
- {
- log(DEBUG,"Not enough parameters for module-mode %c",modechar);
- handled = true;
- param++;
- }
- }
-
- // BIG ASS IDIOTIC CODER WARNING!
- // Using OnRawMode on another modules mode's behavour
- // will confuse the crap out of admins! just because you CAN
- // do it, doesnt mean you SHOULD!
- MOD_RESULT = 0;
- std::string para = "";
- if (p.size())
- para = p[0];
- FOREACH_RESULT(OnRawMode(user, chan, modechar, para, mdir, pcnt));
- if (!MOD_RESULT)
- {
- for (int i = 0; i <= MODCOUNT; i++)
- {
- if (!handled)
- {
- int t = modules[i]->OnExtendedMode(user,chan,modechar,MT_CHANNEL,mdir,p);
- if (t != 0)
- {
- log(DEBUG,"OnExtendedMode returned nonzero for a module");
- char app[] = {modechar, 0};
- if (ModeIsListMode(modechar,MT_CHANNEL))
- {
- if (t == -1)
- {
- //pc++;
- param++;
- }
- else
- {
- if (ptr>0)
- {
- strlcat(outlist, app,MAXBUF);
- }
- strlcpy(outpars[pc++],parameters[param++],MAXBUF);
- }
- }
- else
- {
- if (ptr>0)
- {
- if ((modelist[ptr-1] == '+') || (modelist[ptr-1] == '-'))
- {
- strlcat(outlist, app,MAXBUF);
- }
- else if (!strchr(outlist,modechar))
- {
- strlcat(outlist, app,MAXBUF);
- }
- }
- chan->SetCustomMode(modechar,mdir);
- // include parameters in output if mode has them
- if ((ModeDefinedOn(modechar,MT_CHANNEL)>0) && (mdir))
- {
- chan->SetCustomModeParam(modelist[ptr],parameters[param],mdir);
- strlcpy(outpars[pc++],parameters[param++],MAXBUF);
- }
- }
- // break, because only one module can handle the mode.
- handled = true;
- }
- }
- }
- }
- }
- else
- {
- WriteServ(user->fd,"472 %s %c :is unknown mode char to me",user->nick,modechar);
- }
- break;
-
- }
- }
- }
-
- /* this ensures only the *valid* modes are sent out onto the network */
- int xt = strlen(outlist)-1;
- while ((outlist[xt] == '-') || (outlist[xt] == '+'))
- {
- outlist[xt] = '\0';
- xt = strlen(outlist)-1;
- }
- if (outlist[0])
- {
- strlcpy(outstr,outlist,MAXBUF);
- for (ptr = 0; ptr < pc; ptr++)
- {
- strlcat(outstr," ",MAXBUF);
- strlcat(outstr,outpars[ptr],MAXBUF);
- }
- if (local)
- {
- log(DEBUG,"Local mode change");
- WriteChannelLocal(chan, user, "MODE %s %s",chan->name,outstr);
- }
- else
- {
- if (servermode)
- {
- if (!silent)
- {
- WriteChannelWithServ(ServerName,chan,"MODE %s %s",chan->name,outstr);
- // M token for a usermode must go to all servers
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"M %s %s",chan->name, outstr);
- NetSendToAll(buffer);
- }
-
- }
- else
- {
- if (!silent)
- {
- WriteChannel(chan,user,"MODE %s %s",chan->name,outstr);
- // M token for a usermode must go to all servers
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"m %s %s %s",user->nick,chan->name, outstr);
- NetSendToAll(buffer);
- }
- }
- }
- }
-}
-
-// based on sourcemodes, return true or false to determine if umode is a valid mode a user may set on themselves or others.
-
-bool allowed_umode(char umode, char* sourcemodes,bool adding)
-{
- log(DEBUG,"Allowed_umode: %c %s",umode,sourcemodes);
- // RFC1459 specified modes
- if ((umode == 'w') || (umode == 's') || (umode == 'i'))
- {
- log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
- return true;
- }
-
- // user may not +o themselves or others, but an oper may de-oper other opers or themselves
- if ((strchr(sourcemodes,'o')) && (!adding))
- {
- log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
- return true;
- }
- else if (umode == 'o')
- {
- log(DEBUG,"umode %c allowed by RFC1459 scemantics",umode);
- return false;
- }
-
- // process any module-defined modes that need oper
- if ((ModeDefinedOper(umode,MT_CLIENT)) && (strchr(sourcemodes,'o')))
- {
- log(DEBUG,"umode %c allowed by module handler (oper only mode)",umode);
- return true;
- }
- else
- if (ModeDefined(umode,MT_CLIENT))
- {
- // process any module-defined modes that don't need oper
- log(DEBUG,"umode %c allowed by module handler (non-oper mode)",umode);
- if ((ModeDefinedOper(umode,MT_CLIENT)) && (!strchr(sourcemodes,'o')))
- {
- // no, this mode needs oper, and this user 'aint got what it takes!
- return false;
- }
- return true;
- }
-
- // anything else - return false.
- log(DEBUG,"umode %c not known by any ruleset",umode);
- return false;
-}
-
-bool process_module_umode(char umode, userrec* source, void* dest, bool adding)
-{
- userrec* s2;
- bool faked = false;
- if (!source)
- {
- s2 = new userrec;
- strlcpy(s2->nick,ServerName,NICKMAX);
- strcpy(s2->modes,"o");
- s2->fd = -1;
- source = s2;
- faked = true;
- }
- string_list p;
- p.clear();
- if (ModeDefined(umode,MT_CLIENT))
- {
- for (int i = 0; i <= MODCOUNT; i++)
- {
- if (modules[i]->OnExtendedMode(source,(void*)dest,umode,MT_CLIENT,adding,p))
- {
- log(DEBUG,"Module %s claims umode %c",module_names[i].c_str(),umode);
- return true;
- }
- }
- log(DEBUG,"No module claims umode %c",umode);
- if (faked)
- {
- delete s2;
- source = NULL;
- }
- return false;
- }
- else
- {
- if (faked)
- {
- delete s2;
- source = NULL;
- }
- return false;
- }
-}
-
-void handle_mode(char **parameters, int pcnt, userrec *user)
-{
- chanrec* Ptr;
- userrec* dest;
- int can_change;
- int direction = 1;
- char outpars[MAXBUF];
-
- dest = Find(parameters[0]);
-
- if (!user)
- {
- return;
- }
-
- if ((dest) && (pcnt == 1))
- {
- WriteServ(user->fd,"221 %s :+%s",dest->nick,dest->modes);
- return;
- }
-
- if ((dest) && (pcnt > 1))
- {
- std::string tidied = compress_modes(parameters[1],false);
- parameters[1] = (char*)tidied.c_str();
-
- char dmodes[MAXBUF];
- strlcpy(dmodes,dest->modes,MAXBUF);
- log(DEBUG,"pulled up dest user modes: %s",dmodes);
-
- can_change = 0;
- if (user != dest)
- {
- if (strchr(user->modes,'o'))
- {
- can_change = 1;
- }
- }
- else
- {
- can_change = 1;
- }
- if (!can_change)
- {
- WriteServ(user->fd,"482 %s :Can't change mode for other users",user->nick);
- return;
- }
-
- strcpy(outpars,"+");
- direction = 1;
-
- if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
- return;
-
- for (int i = 0; i < strlen(parameters[1]); i++)
- {
- if (parameters[1][i] == ' ')
- continue;
- if (parameters[1][i] == '+')
- {
- if (direction != 1)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '+';
- }
- else
- {
- strcat(outpars,"+");
- }
- }
- direction = 1;
- }
- else
- if (parameters[1][i] == '-')
- {
- if (direction != 0)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '-';
- }
- else
- {
- strcat(outpars,"-");
- }
- }
- direction = 0;
- }
- else
- {
- can_change = 0;
- if (strchr(user->modes,'o'))
- {
- can_change = 1;
- }
- else
- {
- if ((parameters[1][i] == 'i') || (parameters[1][i] == 'w') || (parameters[1][i] == 's') || (allowed_umode(parameters[1][i],user->modes,direction)))
- {
- can_change = 1;
- }
- }
- if (can_change)
- {
- if (direction == 1)
- {
- if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
- {
- char umode = parameters[1][i];
- if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
- {
- int q = strlen(dmodes);
- int r = strlen(outpars);
- dmodes[q+1]='\0';
- dmodes[q] = parameters[1][i];
- outpars[r+1]='\0';
- outpars[r] = parameters[1][i];
- if (parameters[1][i] == 'o')
- {
- FOREACH_MOD OnGlobalOper(dest);
+ /* Yerk, invalid! */
+ if ((parameter.find(':') == 0) || (parameter.rfind(' ') != std::string::npos))
+ parameter = "";
}
- }
- }
- }
- else
- {
- if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
- {
- char umode = parameters[1][i];
- if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
- {
- int q = 0;
- char temp[MAXBUF];
- char moo[MAXBUF];
-
- int r = strlen(outpars);
- outpars[r+1]='\0';
- outpars[r] = parameters[1][i];
-
- strcpy(temp,"");
- for (q = 0; q < strlen(dmodes); q++)
+ else
{
- if (dmodes[q] != parameters[1][i])
- {
- moo[0] = dmodes[q];
- moo[1] = '\0';
- strlcat(temp,moo,MAXBUF);
- }
+ /* No parameter, continue to the next mode */
+ continue;
}
- strlcpy(dmodes,temp,MAXBUF);
-
- if (umode == 'o')
- DeleteOper(dest);
}
- }
- }
- }
- }
- }
- if (outpars[0])
- {
- char b[MAXBUF];
- strlcpy(b,"",MAXBUF);
- int z = 0;
- int i = 0;
- while (i < strlen (outpars))
- {
- b[z++] = outpars[i++];
- b[z] = '\0';
- if (i<strlen(outpars)-1)
- {
- if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
- {
- // someones playing silly buggers and trying
- // to put a +- or -+ into the line...
- i++;
- }
- }
- if (i == strlen(outpars)-1)
- {
- if ((outpars[i] == '-') || (outpars[i] == '+'))
- {
- i++;
- }
- }
- }
-
- z = strlen(b)-1;
- if ((b[z] == '-') || (b[z] == '+'))
- b[z] = '\0';
-
- if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
- return;
-
- if (strcmp(b,""))
- {
- WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
- // M token for a usermode must go to all servers
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
- NetSendToAll(buffer);
- }
-
- if (strlen(dmodes)>MAXMODES)
- {
- dmodes[MAXMODES-1] = '\0';
- }
- log(DEBUG,"Stripped mode line");
- log(DEBUG,"Line dest is now %s",dmodes);
- strlcpy(dest->modes,dmodes,MAXMODES);
-
- }
-
- return;
- }
-
- Ptr = FindChan(parameters[0]);
- if (Ptr)
- {
- if (pcnt == 1)
- {
- /* just /modes #channel */
- WriteServ(user->fd,"324 %s %s +%s",user->nick, Ptr->name, chanmodes(Ptr));
- WriteServ(user->fd,"329 %s %s %d", user->nick, Ptr->name, Ptr->created);
- return;
- }
- else
- if (pcnt == 2)
- {
- char* mode = parameters[1];
- if (*mode == '+')
- mode++;
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnRawMode(user, Ptr, *mode, "", false, 0));
- if (!MOD_RESULT)
- {
- if (*mode == 'b')
- {
-
- for (BanList::iterator i = Ptr->bans.begin(); i != Ptr->bans.end(); i++)
- {
- WriteServ(user->fd,"367 %s %s %s %s %d",user->nick, Ptr->name, i->data, i->set_by, i->set_time);
- }
- WriteServ(user->fd,"368 %s %s :End of channel ban list",user->nick, Ptr->name);
- return;
- }
- if ((ModeDefined(*mode,MT_CHANNEL)) && (ModeIsListMode(*mode,MT_CHANNEL)))
- {
- // list of items for an extmode
- log(DEBUG,"Calling OnSendList for all modules, list output for mode %c",*mode);
- FOREACH_MOD OnSendList(user,Ptr,*mode);
- return;
- }
- }
- }
-
- if ((Ptr) && (!has_channel(user,Ptr)))
- {
- WriteServ(user->fd,"442 %s %s :You're not on that channel!",user->nick, Ptr->name);
- return;
- }
-
- if (Ptr)
- {
- int MOD_RESULT = 0;
- FOREACH_RESULT(OnAccessCheck(user,NULL,Ptr,AC_GENERAL_MODE));
-
- if (MOD_RESULT == ACR_DENY)
- return;
- if (MOD_RESULT == ACR_DEFAULT)
- {
- if (cstatus(user,Ptr) < STATUS_HOP)
- {
- WriteServ(user->fd,"482 %s %s :You must be at least a half-operator to change modes on this channel",user->nick, Ptr->name);
- return;
- }
- }
-
- process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,false);
- }
- }
- else
- {
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
- }
-}
-
-
-
-
-void server_mode(char **parameters, int pcnt, userrec *user)
-{
- chanrec* Ptr;
- userrec* dest;
- int can_change;
- int direction = 1;
- char outpars[MAXBUF];
-
- dest = Find(parameters[0]);
-
- // fix: ChroNiCk found this - we cant use this as debug if its null!
- if (dest)
- {
- log(DEBUG,"server_mode on %s",dest->nick);
- }
-
- if ((dest) && (pcnt > 1))
- {
- std::string tidied = compress_modes(parameters[1],false);
- parameters[1] = (char*)tidied.c_str();
-
- char dmodes[MAXBUF];
- strlcpy(dmodes,dest->modes,MAXBUF);
-
- strcpy(outpars,"+");
- direction = 1;
-
- if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
- return;
-
- for (int i = 0; i < strlen(parameters[1]); i++)
- {
- if (parameters[1][i] == ' ')
- continue;
- if (parameters[1][i] == '+')
- {
- if (direction != 1)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '+';
- }
- else
- {
- strcat(outpars,"+");
- }
- }
- direction = 1;
- }
- else
- if (parameters[1][i] == '-')
- {
- if (direction != 0)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '-';
- }
- else
- {
- strcat(outpars,"-");
- }
- }
- direction = 0;
- }
- else
- {
- log(DEBUG,"begin mode processing entry");
- can_change = 1;
- if (can_change)
- {
- if (direction == 1)
- {
- log(DEBUG,"umode %c being added",parameters[1][i]);
- if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
- {
- char umode = parameters[1][i];
- log(DEBUG,"umode %c is an allowed umode",umode);
- if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
+
+ /* 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))
{
- int v1 = strlen(dmodes);
- int v2 = strlen(outpars);
- dmodes[v1+1]='\0';
- dmodes[v1] = parameters[1][i];
- outpars[v2+1]='\0';
- outpars[v2] = parameters[1][i];
+ 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());
+ continue;
}
- }
- }
- else
- {
- // can only remove a mode they already have
- log(DEBUG,"umode %c being removed",parameters[1][i]);
- if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
- {
- char umode = parameters[1][i];
- log(DEBUG,"umode %c is an allowed umode",umode);
- if ((process_module_umode(umode, user, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
+
+ /* Call the handler for the mode */
+ ModeAction ma = modehandlers[handler_id]->OnModeChange(user, targetuser, targetchannel, parameter, adding);
+
+ if ((modehandlers[handler_id]->GetNumParams(adding)) && (parameter == ""))
{
- int q = 0;
- char temp[MAXBUF];
- char moo[MAXBUF];
-
- int v1 = strlen(outpars);
- outpars[v1+1]='\0';
- outpars[v1] = parameters[1][i];
-
- strcpy(temp,"");
- for (q = 0; q < strlen(dmodes); q++)
+ /* 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)
+ output_sequence.append(adding ? "+" : "-");
+
+ /* Add the mode letter */
+ 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 != ""))
{
- if (dmodes[q] != parameters[1][i])
+ parameter_list << " " << parameter;
+ /* Does this mode have a prefix? */
+ if (modehandlers[handler_id]->GetPrefix() && targetchannel)
{
- moo[0] = dmodes[q];
- moo[1] = '\0';
- strlcat(temp,moo,MAXBUF);
+ userrec* user_to_prefix = ServerInstance->FindNick(parameter);
+ if (user_to_prefix)
+ targetchannel->SetPrefix(user_to_prefix, modehandlers[handler_id]->GetPrefix(),
+ modehandlers[handler_id]->GetPrefixRank(), adding);
}
}
- strlcpy(dmodes,temp,MAXBUF);
+
+ /* 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);
+
+ /* Reset the state change flag */
+ state_change = false;
}
}
}
- }
+ else
+ {
+ /* No mode handler? Unknown mode character then. */
+ user->WriteServ("472 %s %c :is unknown mode char to me",user->nick, modechar);
+ }
+ break;
}
}
- if (outpars[0])
+ /* Was there at least one valid mode in the sequence? */
+ if (output_sequence != "")
{
- char b[MAXBUF];
- strlcpy(b,"",MAXBUF);
- int z = 0;
- int i = 0;
- while (i < strlen (outpars))
+ if (servermode)
{
- b[z++] = outpars[i++];
- b[z] = '\0';
- if (i<strlen(outpars)-1)
+ if (type == MODETYPE_CHANNEL)
{
- if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
- {
- // someones playing silly buggers and trying
- // to put a +- or -+ into the line...
- i++;
- }
+ targetchannel->WriteChannelWithServ(ServerInstance->Config->ServerName, "MODE %s %s%s", targetchannel->name, output_sequence.c_str(), parameter_list.str().c_str());
}
- if (i == strlen(outpars)-1)
+ else
{
- if ((outpars[i] == '-') || (outpars[i] == '+'))
- {
- i++;
- }
+ targetuser->WriteServ("MODE %s %s%s",targetuser->nick,output_sequence.c_str(), parameter_list.str().c_str());
}
}
-
- z = strlen(b)-1;
- if ((b[z] == '-') || (b[z] == '+'))
- b[z] = '\0';
-
- if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
- return;
-
- if (strcmp(b,""))
- {
- WriteTo(user, dest, "MODE %s :%s", dest->nick, b);
- // M token for a usermode must go to all servers
- char buffer[MAXBUF];
- snprintf(buffer,MAXBUF,"m %s %s %s",user->nick, dest->nick, b);
- NetSendToAll(buffer);
- }
-
- if (strlen(dmodes)>MAXMODES)
+ else
{
- dmodes[MAXMODES-1] = '\0';
+ if (type == MODETYPE_CHANNEL)
+ {
+ ServerInstance->Log(DEBUG,"Write output sequence and parameters to channel: %s %s%s",targetchannel->name,output_sequence.c_str(),parameter_list.str().c_str());
+ targetchannel->WriteChannel(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
+ {
+ user->WriteTo(targetuser,"MODE %s %s%s",targetuser->nick,output_sequence.c_str(), parameter_list.str().c_str());
+ FOREACH_MOD(I_OnMode,OnMode(user, targetuser, TYPE_USER, output_sequence));
+ }
}
- log(DEBUG,"Stripped mode line");
- log(DEBUG,"Line dest is now %s",dmodes);
- strlcpy(dest->modes,dmodes,MAXMODES);
-
}
+ }
+}
- return;
+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 */
+
+ 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))
+ {
+ /* It has no '.' in it, it must be a nick. */
+ mask.append("!*@*");
+ }
+ else
+ {
+ /* Got a dot in it? Has to be a host */
+ mask = "*!*@" + mask;
+ }
}
-
- Ptr = FindChan(parameters[0]);
- if (Ptr)
+ else if ((pos_of_pling == std::string::npos) && (pos_of_at != std::string::npos))
{
- process_modes(parameters,user,Ptr,STATUS_OP,pcnt,true,false,false);
+ /* Has an @ but no !, its a user@host */
+ mask = "*!" + mask;
}
- else
+ else if ((pos_of_pling != std::string::npos) && (pos_of_at == std::string::npos))
{
- WriteServ(user->fd,"401 %s %s :No such nick/channel",user->nick, parameters[0]);
+ /* Has a ! but no @, it must be a nick!ident */
+ mask.append("@*");
}
}
+bool ModeParser::AddMode(ModeHandler* mh, unsigned const char modeletter)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
+
+ /* Yes, i know, this might let people declare modes like '_' or '^'.
+ * 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'))
+ 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.
+ */
+ if ((mh->GetPrefix() == ',') || (mh->GetPrefix() == ':'))
+ return false;
-void merge_mode(char **parameters, int pcnt)
-{
- chanrec* Ptr;
- userrec* dest;
- int can_change;
- int direction = 1;
- char outpars[MAXBUF];
-
- dest = Find(parameters[0]);
-
- // fix: ChroNiCk found this - we cant use this as debug if its null!
- if (dest)
- {
- log(DEBUG,"merge_mode on %s",dest->nick);
- }
+ mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mh->GetModeChar()-65) | mask;
- if ((dest) && (pcnt > 1))
- {
- std::string tidied = compress_modes(parameters[1],false);
- parameters[1] = (char*)tidied.c_str();
+ if (modehandlers[pos])
+ return false;
- char dmodes[MAXBUF];
- strlcpy(dmodes,dest->modes,MAXBUF);
+ modehandlers[pos] = mh;
+ ServerInstance->Log(DEBUG,"ModeParser::AddMode: added mode %c",mh->GetModeChar());
+ return true;
+}
- strcpy(outpars,"+");
- direction = 1;
+bool ModeParser::DelMode(ModeHandler* mh)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
- if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
- return;
+ if ((mh->GetModeChar() < 'A') || (mh->GetModeChar() > 'z'))
+ return false;
- for (int i = 0; i < strlen(parameters[1]); i++)
- {
- if (parameters[1][i] == ' ')
- continue;
- if (parameters[1][i] == '+')
- {
- if (direction != 1)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '+';
- }
- else
- {
- strcat(outpars,"+");
- }
- }
- direction = 1;
- }
- else
- if (parameters[1][i] == '-')
- {
- if (direction != 0)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '-';
- }
- else
- {
- strcat(outpars,"-");
- }
- }
- direction = 0;
- }
- else
+ mh->GetModeType() == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (mh->GetModeChar()-65) | mask;
+
+ if (!modehandlers[pos])
+ return false;
+
+ switch (mh->GetModeType())
+ {
+ case MODETYPE_USER:
+ for (user_hash::iterator i = ServerInstance->clientlist.begin(); i != ServerInstance->clientlist.end(); i++)
{
- log(DEBUG,"begin mode processing entry");
- can_change = 1;
- if (can_change)
- {
- if (direction == 1)
- {
- log(DEBUG,"umode %c being added",parameters[1][i]);
- if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],"o",true)))
- {
- char umode = parameters[1][i];
- log(DEBUG,"umode %c is an allowed umode",umode);
- if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
- {
- int v1 = strlen(dmodes);
- int v2 = strlen(outpars);
- dmodes[v1+1]='\0';
- dmodes[v1] = parameters[1][i];
- outpars[v2+1]='\0';
- outpars[v2] = parameters[1][i];
- }
- }
- }
- else
- {
- // can only remove a mode they already have
- log(DEBUG,"umode %c being removed",parameters[1][i]);
- if ((allowed_umode(parameters[1][i],"o",false)) && (strchr(dmodes,parameters[1][i])))
- {
- char umode = parameters[1][i];
- log(DEBUG,"umode %c is an allowed umode",umode);
- if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
- {
- int q = 0;
- char temp[MAXBUF];
- char moo[MAXBUF];
-
- int v1 = strlen(outpars);
- outpars[v1+1]='\0';
- outpars[v1] = parameters[1][i];
-
- strcpy(temp,"");
- for (q = 0; q < strlen(dmodes); q++)
- {
- if (dmodes[q] != parameters[1][i])
- {
- moo[0] = dmodes[q];
- moo[1] = '\0';
- strlcat(temp,moo,MAXBUF);
- }
- }
- strlcpy(dmodes,temp,MAXBUF);
- }
- }
- }
- }
+ mh->RemoveMode(i->second);
}
- }
- if (outpars[0])
- {
- char b[MAXBUF];
- strcpy(b,"");
- int z = 0;
- int i = 0;
- while (i < strlen (outpars))
+ break;
+ case MODETYPE_CHANNEL:
+ for (chan_hash::iterator i = ServerInstance->chanlist.begin(); i != ServerInstance->chanlist.end(); i++)
{
- b[z++] = outpars[i++];
- b[z] = '\0';
- if (i<strlen(outpars)-1)
- {
- if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
- {
- // someones playing silly buggers and trying
- // to put a +- or -+ into the line...
- i++;
- }
- }
- if (i == strlen(outpars)-1)
- {
- if ((outpars[i] == '-') || (outpars[i] == '+'))
- {
- i++;
- }
- }
+ mh->RemoveMode(i->second);
}
+ break;
+ }
- z = strlen(b)-1;
- if ((b[z] == '-') || (b[z] == '+'))
- b[z] = '\0';
+ modehandlers[pos] = NULL;
- if ((!strcmp(b,"+")) || (!strcmp(b,"-")))
- return;
+ return true;
+}
- if (strlen(dmodes)>MAXMODES)
- {
- dmodes[MAXMODES-1] = '\0';
- }
- log(DEBUG,"Stripped mode line");
- log(DEBUG,"Line dest is now %s",dmodes);
- strlcpy(dest->modes,dmodes,MAXMODES);
+ModeHandler* ModeParser::FindMode(unsigned const char modeletter, ModeType mt)
+{
+ unsigned char mask = 0;
+ unsigned char pos = 0;
- }
+ if ((modeletter < 'A') || (modeletter > 'z'))
+ return NULL;
- return;
- }
-
- Ptr = FindChan(parameters[0]);
- if (Ptr)
+ mt == MODETYPE_USER ? mask = MASK_USER : mask = MASK_CHANNEL;
+ pos = (modeletter-65) | mask;
+
+ return modehandlers[pos];
+}
+
+std::string ModeParser::UserModeList()
+{
+ char modestr[256];
+ int pointer = 0;
+
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- userrec s2;
- strlcpy(s2.nick,ServerName,NICKMAX);
- strcpy(s2.modes,"o");
- s2.fd = -1;
- process_modes(parameters,&s2,Ptr,STATUS_OP,pcnt,true,true,false);
+ unsigned char pos = (mode-65) | MASK_USER;
+
+ if (modehandlers[pos])
+ modestr[pointer++] = mode;
}
+ modestr[pointer++] = 0;
+ return modestr;
}
-
-void merge_mode2(char **parameters, int pcnt, userrec* user)
+std::string ModeParser::ChannelModeList()
{
- chanrec* Ptr;
- userrec* dest;
- int can_change;
- int direction = 1;
- char outpars[MAXBUF];
-
- dest = Find(parameters[0]);
-
- // fix: ChroNiCk found this - we cant use this as debug if its null!
- if (dest)
+ char modestr[256];
+ int pointer = 0;
+
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- log(DEBUG,"merge_mode2 on %s",dest->nick);
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
+
+ if (modehandlers[pos])
+ modestr[pointer++] = mode;
}
+ modestr[pointer++] = 0;
+ return modestr;
+}
+
+std::string ModeParser::ParaModeList()
+{
+ char modestr[256];
+ int pointer = 0;
- if ((dest) && (pcnt > 1))
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
{
- std::string tidied = compress_modes(parameters[1],false);
- parameters[1] = (char*)tidied.c_str();
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
- char dmodes[MAXBUF];
- strlcpy(dmodes,dest->modes,MAXBUF);
+ if ((modehandlers[pos]) && (modehandlers[pos]->GetNumParams(true)))
+ modestr[pointer++] = mode;
+ }
+ modestr[pointer++] = 0;
+ return modestr;
+}
- strcpy(outpars,"+");
- direction = 1;
+ModeHandler* ModeParser::FindPrefix(unsigned const char pfxletter)
+{
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ {
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
- if ((parameters[1][0] == ':') && (strlen(parameters[1])>1))
+ if ((modehandlers[pos]) && (modehandlers[pos]->GetPrefix() == pfxletter))
{
- // some stupid 3rd party things (such as services packages) put a colon on the mode list...
- log(DEBUG,"Some muppet put a colon on the modelist! changed to '%s'",++parameters[1]);
+ return modehandlers[pos];
}
- if ((parameters[1][0] != '+') && (parameters[1][0] != '-'))
- return;
+ }
+ return NULL;
+}
+
+std::string ModeParser::ModeString(userrec* user, chanrec* channel)
+{
+ std::string types;
+ std::string pars;
- for (int i = 0; i < strlen(parameters[1]); i++)
+ 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)))
{
- if (parameters[1][i] == ' ')
- continue;
- if (parameters[1][i] == '+')
+ ModePair ret;
+ ret = mh->ModeSet(NULL, user, channel, user->nick);
+ if (ret.first)
{
- if (direction != 1)
- {
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '+';
- }
- else
- {
- strcat(outpars,"+");
- }
- }
- direction = 1;
+ pars.append(" ");
+ pars.append(user->nick);
+ types.push_back(mh->GetModeChar());
}
- else
- if (parameters[1][i] == '-')
+ }
+ }
+
+ return types+pars;
+}
+
+std::string ModeParser::ChanModes()
+{
+ 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) | MASK_CHANNEL;
+ /* One parameter when adding */
+ if (modehandlers[pos])
+ {
+ if (modehandlers[pos]->GetNumParams(true))
{
- if (direction != 0)
+ if ((modehandlers[pos]->IsListMode()) && (!modehandlers[pos]->GetPrefix()))
{
- int t = strlen(outpars)-1;
- if ((outpars[t] == '+') || (outpars[t] == '-'))
- {
- outpars[t] = '-';
- }
- else
- {
- strcat(outpars,"-");
- }
+ type1 += modehandlers[pos]->GetModeChar();
}
- direction = 0;
- }
- else
- {
- log(DEBUG,"begin mode processing entry");
- can_change = 1;
- if (can_change)
+ else
{
- if (direction == 1)
+ /* ... and one parameter when removing */
+ if (modehandlers[pos]->GetNumParams(false))
{
- log(DEBUG,"umode %c being added",parameters[1][i]);
- if ((!strchr(dmodes,parameters[1][i])) && (allowed_umode(parameters[1][i],user->modes,true)))
+ /* But not a list mode */
+ if (!modehandlers[pos]->GetPrefix())
{
- char umode = parameters[1][i];
- log(DEBUG,"umode %c is an allowed umode",umode);
- if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
- {
- int v1 = strlen(dmodes);
- int v2 = strlen(outpars);
- dmodes[v1+1]='\0';
- dmodes[v1] = parameters[1][i];
- outpars[v2+1]='\0';
- outpars[v2] = parameters[1][i];
- log(DEBUG,"OUTPARS='%s', DMODES='%s'",outpars,dmodes);
- }
+ type2 += modehandlers[pos]->GetModeChar();
}
}
else
{
- // can only remove a mode they already have
- log(DEBUG,"umode %c being removed",parameters[1][i]);
- if ((allowed_umode(parameters[1][i],user->modes,false)) && (strchr(dmodes,parameters[1][i])))
- {
- char umode = parameters[1][i];
- log(DEBUG,"umode %c is an allowed umode",umode);
- if ((process_module_umode(umode, NULL, dest, direction)) || (umode == 'i') || (umode == 's') || (umode == 'w') || (umode == 'o'))
- {
- int q = 0;
- char temp[MAXBUF];
- char moo[MAXBUF];
-
- int v1 = strlen(outpars);
- outpars[v1+1]='\0';
- outpars[v1] = parameters[1][i];
-
- strcpy(temp,"");
- for (q = 0; q < strlen(dmodes); q++)
- {
- if (dmodes[q] != parameters[1][i])
- {
- moo[0] = dmodes[q];
- moo[1] = '\0';
- strlcat(temp,moo,MAXBUF);
- }
- }
- strlcpy(dmodes,temp,MAXBUF);
- }
- }
+ /* No parameters when removing */
+ type3 += modehandlers[pos]->GetModeChar();
}
}
}
- }
- log(DEBUG,"DONE! OUTPARS='%s', DMODES='%s'",outpars,dmodes);
- if (outpars[0])
- {
- char b[MAXBUF];
- strcpy(b,"");
- int z = 0;
- int i = 0;
- while (i < strlen (outpars))
+ else
{
- b[z++] = outpars[i++];
- b[z] = '\0';
- if (i<strlen(outpars)-1)
- {
- if (((outpars[i] == '-') || (outpars[i] == '+')) && ((outpars[i+1] == '-') || (outpars[i+1] == '+')))
- {
- // someones playing silly buggers and trying
- // to put a +- or -+ into the line...
- i++;
- }
- }
- if (i == strlen(outpars)-1)
- {
- if ((outpars[i] == '-') || (outpars[i] == '+'))
- {
- i++;
- }
- }
+ type4 += modehandlers[pos]->GetModeChar();
}
+ }
+
+ }
- z = strlen(b)-1;
- if ((b[z] == '-') || (b[z] == '+'))
- b[z] = '\0';
+ return type1 + "," + type2 + "," + type3 + "," + type4;
+}
+bool ModeParser::PrefixComparison(const prefixtype one, const prefixtype two)
+{
+ return one.second > two.second;
+}
- if ((!b[0]) || (!strcmp(b,"+")) || (!strcmp(b,"-")))
- return;
+std::string ModeParser::BuildPrefixes()
+{
+ std::string mletters = "";
+ std::string mprefixes = "";
+ pfxcontainer pfx;
+ std::map<char,char> prefix_to_mode;
- if (strcmp(b,""))
- {
- WriteTo(user,dest,"MODE %s :%s",dest->nick,b);
- log(DEBUG,"Sent: :%s MODE %s",user->nick,b);
- }
+ for (unsigned char mode = 'A'; mode <= 'z'; mode++)
+ {
+ unsigned char pos = (mode-65) | MASK_CHANNEL;
- if (strlen(dmodes)>MAXMODES)
- {
- dmodes[MAXMODES-1] = '\0';
- }
- log(DEBUG,"Stripped mode line");
- log(DEBUG,"Line dest is now %s",dmodes);
- strlcpy(dest->modes,dmodes,MAXMODES);
+ 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();
}
+ }
- return;
+ 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;
+ 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);
+ ServerInstance->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);
+ ServerInstance->Log(DEBUG,"ModeParser::DelModeWatcher: stopped watching mode %c",mw->GetModeChar());
+
+ return true;
+}
+
+/** This default implementation can remove simple user modes
+ */
+void ModeHandler::RemoveMode(userrec* user)
+{
+ char moderemove[MAXBUF];
+ const char* parameters[] = { user->nick, moderemove };
+
+ if (user->IsModeSet(this->GetModeChar()))
+ {
+ userrec* n = new userrec(ServerInstance);
+
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ n->SetFd(FD_MAGIC_NUMBER);
+
+ ServerInstance->SendMode(parameters, 2, n);
+
+ delete n;
}
-
- Ptr = FindChan(parameters[0]);
- if (Ptr)
+}
+
+/** This default implementation can remove simple channel modes
+ * (no parameters)
+ */
+void ModeHandler::RemoveMode(chanrec* channel)
+{
+ char moderemove[MAXBUF];
+ const char* parameters[] = { channel->name, moderemove };
+
+ if (channel->IsModeSet(this->GetModeChar()))
{
- log(DEBUG,"merge_mode2: found channel %s",Ptr->name);
- if (Ptr)
- {
- if ((cstatus(user,Ptr) < STATUS_HOP) && (!is_uline(user->server)))
- {
- return;
- }
- process_modes(parameters,user,Ptr,cstatus(user,Ptr),pcnt,false,false,true);
- }
+ userrec* n = new userrec(ServerInstance);
+
+ sprintf(moderemove,"-%c",this->GetModeChar());
+ n->SetFd(FD_MAGIC_NUMBER);
+
+ ServerInstance->SendMode(parameters, 2, n);
+
+ delete n;
}
}
+ModeParser::ModeParser(InspIRCd* Instance) : ServerInstance(Instance)
+{
+ /* Clear mode list */
+ memset(modehandlers, 0, sizeof(modehandlers));
+ memset(modewatchers, 0, sizeof(modewatchers));
+
+ /* Initialise the RFC mode letters */
+
+ /* Start with channel simple modes, no params */
+ this->AddMode(new ModeChannelSecret(Instance), 's');
+ this->AddMode(new ModeChannelPrivate(Instance), 'p');
+ this->AddMode(new ModeChannelModerated(Instance), 'm');
+ this->AddMode(new ModeChannelTopicOps(Instance), 't');
+ this->AddMode(new ModeChannelNoExternal(Instance), 'n');
+ this->AddMode(new ModeChannelInviteOnly(Instance), 'i');
+
+ /* Cannel modes with params */
+ this->AddMode(new ModeChannelKey(Instance), 'k');
+ this->AddMode(new ModeChannelLimit(Instance), 'l');
+
+ /* Channel listmodes */
+ this->AddMode(new ModeChannelBan(Instance), 'b');
+ this->AddMode(new ModeChannelOp(Instance), 'o');
+ this->AddMode(new ModeChannelHalfOp(Instance), 'h');
+ this->AddMode(new ModeChannelVoice(Instance), 'v');
+
+ /* Now for usermodes */
+ this->AddMode(new ModeUserServerNotice(Instance), 's');
+ this->AddMode(new ModeUserWallops(Instance), 'w');
+ this->AddMode(new ModeUserInvisible(Instance), 'i');
+ this->AddMode(new ModeUserOperator(Instance), 'o');
+ this->AddMode(new ModeUserServerNoticeMask(Instance), 'n');
+}
projects / user / henk / code / inspircd.git / blobdiff