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-rw-r--r--include/u_listmode.h269
1 files changed, 269 insertions, 0 deletions
diff --git a/include/u_listmode.h b/include/u_listmode.h
new file mode 100644
index 000000000..b6cac9c50
--- /dev/null
+++ b/include/u_listmode.h
@@ -0,0 +1,269 @@
+#ifndef INSPIRCD_LISTMODE_PROVIDER
+#define INSPIRCD_LISTMODE_PROVIDER
+
+#include <stdio.h>
+#include <string>
+#include <sstream>
+#include <vector>
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+#include "helperfuncs.h"
+
+/* $ModDesc: Provides support for easily creating listmodes, stores the time set, the user, and a parameter. */
+
+/* Written by Om <omster@gmail.com>, December 2005. */
+/* Based on code previously written by Om - April 2005 */
+/* Originally based on m_chanprotect and m_silence */
+
+inline std::string stringtime()
+{
+ std::ostringstream TIME;
+ TIME << time(NULL);
+ return TIME.str();
+}
+
+class ListItem
+{
+public:
+ std::string nick;
+ std::string mask;
+ std::string time;
+};
+
+class ListLimit
+{
+public:
+ std::string mask;
+ unsigned int limit;
+};
+
+// Just defining the type we use for the excpetion list here...
+typedef std::vector<ListItem> modelist;
+typedef std::vector<ListLimit> limitlist;
+
+class ListModeBaseModule : public Module
+{
+protected:
+ int maxlist;
+ char mode;
+ std::string infokey;
+ std::string listnumeric;
+ std::string endoflistnumeric;
+ std::string endofliststring;
+ limitlist chanlimits;
+
+ Server* Srv;
+ ConfigReader* Conf;
+public:
+ ListModeBaseModule(Server* serv, char modechar, std::string eolstr, std::string lnum, std::string eolnum) : Module::Module(serv)
+ {
+ Srv = serv;
+ Conf = new ConfigReader;
+ mode = modechar;
+ listnumeric = lnum;
+ endoflistnumeric = eolnum;
+ endofliststring = eolstr;
+
+ OnRehash("");
+ infokey = "exceptionbase_mode_" + std::string(1, mode) + "_list";
+ Srv->AddExtendedListMode(modechar);
+ }
+
+ virtual void OnRehash(std::string param)
+ {
+ delete Conf;
+ Conf = new ConfigReader;
+
+ chanlimits.clear();
+
+ for(int i = 0; i < Conf->Enumerate("banlist"); i++)
+ {
+ // For each <banlist> tag
+ ListLimit limit;
+ limit.mask = Conf->ReadValue("banlist", "chan", i);
+ limit.limit = Conf->ReadInteger("banlist", "limit", i, true);
+
+ if(limit.mask.size() && limit.limit > 0)
+ {
+ chanlimits.push_back(limit);
+ log(DEBUG, "m_exceptionbase.so: Read channel listmode limit of %u for mask '%s'", limit.limit, limit.mask.c_str());
+ }
+ else
+ {
+ log(DEBUG, "m_exceptionbase.so: Invalid tag");
+ }
+ }
+
+ if(chanlimits.size() == 0)
+ {
+ ListLimit limit;
+ limit.mask = "*";
+ limit.limit = 64;
+ chanlimits.push_back(limit);
+ }
+ }
+
+ void DoImplements(char* List)
+ {
+ List[I_OnExtendedMode] = List[I_OnSendList] = List[I_OnChannelDelete] = List[I_OnSyncChannel] = List[I_OnCleanup] = List[I_OnRehash] = 1;
+ }
+
+ virtual int OnExtendedMode(userrec *user, void *target, char modechar, int type, bool mode_on, string_list &params)
+ {
+ // First, check it's our mode
+ if ((modechar == mode) && (type == MT_CHANNEL))
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: General listmode handler called, handling mode '" + std::string(1, mode) + "'");
+ chanrec* chan = (chanrec*)target;
+
+ // Try and grab the list
+ modelist* el = (modelist*)chan->GetExt(infokey);
+
+ if(mode_on)
+ {
+ // If there was no list
+ if(!el)
+ {
+ // Make one
+ Srv->Log(DEBUG, "m_exceptionbase.so: Creating new list");
+ el = new modelist;
+ chan->Extend(infokey, (char*)el);
+ }
+
+ if(!Srv->IsValidMask(params[0]))
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: Banmask was invalid, returning -1");
+ return -1;
+ }
+
+ for (modelist::iterator it = el->begin(); it != el->end(); it++)
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: Iterating over exception list, current mask: " + it->mask);
+ if(params[0] == it->mask)
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: Someone tried to set an exception which was already set, returning -1");
+ return -1;
+ }
+ }
+
+ for(limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); it++)
+ {
+ if(Srv->MatchText(chan->name, it->mask))
+ {
+ // We have a pattern matching the channel...
+ if(el->size() < it->limit)
+ {
+ // And now add the mask onto the list...
+ ListItem e;
+ e.mask = params[0];
+ e.nick = user->nick;
+ e.time = stringtime();
+
+ Srv->Log(DEBUG, "m_exceptionbase.so: All checks passed, adding exception mask to list and returning 1");
+ el->push_back(e);
+ return 1;
+ }
+ }
+ }
+
+ // List is full
+ WriteServ(user->fd, "478 %s %s %s :Channel ban/ignore list is full", user->nick, chan->name, params[0].c_str());
+ log(DEBUG, "m_exceptionbase.so: %s tried to set mask %s on %s but the list is full (max %d)", user->nick, params[0].c_str(), chan->name, maxlist);
+ return -1;
+ }
+ else
+ {
+ // We're taking the mode off
+ if(el)
+ {
+ for (modelist::iterator it = el->begin(); it != el->end(); it++)
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: Removing mode, iterating over exception list, current mask: " + it->mask);
+ if(params[0] == it->mask)
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: Found match for removal of exception, removing and returning 1");
+ el->erase(it);
+ if(el->size() == 0)
+ {
+ Srv->Log(DEBUG, "m_exceptionbase.so: Erased the last entry on the exception list, removing the list");
+ chan->Shrink(infokey);
+ delete el;
+ }
+ return 1;
+ }
+ }
+ Srv->Log(DEBUG, "m_exceptionbase.so: No match found for attempted removing of exception, returning -1");
+ return -1;
+ }
+ else
+ {
+ // Hmm, taking an exception off a non-existant list, DIE
+ Srv->Log(DEBUG, "m_exceptionbase.so: Attempted removal of an exception, when there was no exception list created, returning -1");
+ return -1;
+ }
+ }
+ }
+
+ return 0;
+ }
+
+ virtual void OnSendList(userrec* user, chanrec* chan, char modechar)
+ {
+ if(modechar == mode)
+ {
+ modelist* el = (modelist*)chan->GetExt(infokey);
+ Srv->Log(DEBUG, "m_exceptionbase.so: " + std::string(user->nick)+" is listing listmodes on "+std::string(chan->name));
+ if (el)
+ {
+ for(modelist::iterator it = el->begin(); it != el->end(); it++)
+ {
+ WriteServ(user->fd, "%s %s %s %s %s %s", listnumeric.c_str(), user->nick, chan->name, it->mask.c_str(), it->nick.c_str(), it->time.c_str());
+ }
+ }
+
+ WriteServ(user->fd, "%s %s %s %s", endoflistnumeric.c_str(), user->nick, chan->name, endofliststring.c_str());
+ }
+ }
+
+ virtual void OnChannelDelete(chanrec* chan)
+ {
+ modelist* list = (modelist*)chan->GetExt(infokey);
+
+ if(list)
+ {
+ chan->Shrink(infokey);
+ delete list;
+ }
+ }
+
+ virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)
+ {
+ modelist* list = (modelist*)chan->GetExt(infokey);
+ if(list)
+ {
+ for(modelist::iterator it = list->begin(); it != list->end(); it++)
+ {
+ proto->ProtoSendMode(opaque, TYPE_CHANNEL, chan, "+" + std::string(1, mode) + " " + it->mask);
+ }
+ }
+ }
+
+ virtual void OnCleanup(int target_type, void* item)
+ {
+ if (target_type == TYPE_CHANNEL)
+ {
+ chanrec* chan = (chanrec*)item;
+
+ modelist* list = (modelist*)chan->GetExt(infokey);
+
+ if(list)
+ {
+ chan->Shrink(infokey);
+ delete list;
+ }
+ }
+ }
+};
+
+#endif