-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2004, 2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <stdio.h>
-#include <string>
-#include "users.h"
-#include "channels.h"
-#include "modules.h"
+
#include "inspircd.h"
-#include "m_filter.h"
+#include "xline.h"
+#include "m_regex.h"
-/* $ModDesc: An advanced spam filtering module */
-/* $ModDep: m_filter.h */
+/* $ModDesc: Text (spam) filtering */
-typedef std::map<std::string,FilterResult*> filter_t;
+class ModuleFilter;
-class ModuleFilter : public FilterBase
+enum FilterFlags
{
-
- filter_t filters;
+ FLAG_PART = 2,
+ FLAG_QUIT = 4,
+ FLAG_PRIVMSG = 8,
+ FLAG_NOTICE = 16
+};
+class FilterResult
+{
public:
- ModuleFilter(InspIRCd* Me)
- : FilterBase::FilterBase(Me, "m_filter.so")
+ std::string freeform;
+ std::string reason;
+ std::string action;
+ long gline_time;
+ std::string flags;
+
+ bool flag_no_opers;
+ bool flag_part_message;
+ bool flag_quit_message;
+ bool flag_privmsg;
+ bool flag_notice;
+
+ FilterResult(const std::string free, const std::string &rea, const std::string &act, long gt, const std::string &fla) :
+ freeform(free), reason(rea), action(act), gline_time(gt), flags(fla)
+ {
+ this->FillFlags(fla);
+ }
+
+ int FillFlags(const std::string &fl)
+ {
+ flags = fl;
+ flag_no_opers = flag_part_message = flag_quit_message = flag_privmsg = flag_notice = false;
+ size_t x = 0;
+
+ for (std::string::const_iterator n = flags.begin(); n != flags.end(); ++n, ++x)
+ {
+ switch (*n)
+ {
+ case 'o':
+ flag_no_opers = true;
+ break;
+ case 'P':
+ flag_part_message = true;
+ break;
+ case 'q':
+ flag_quit_message = true;
+ break;
+ case 'p':
+ flag_privmsg = true;
+ break;
+ case 'n':
+ flag_notice = true;
+ break;
+ case '*':
+ flag_no_opers = flag_part_message = flag_quit_message =
+ flag_privmsg = flag_notice = true;
+ break;
+ default:
+ return x;
+ break;
+ }
+ }
+ return 0;
+ }
+
+ FilterResult()
{
- OnRehash(NULL,"");
}
-
- virtual ~ModuleFilter()
+
+ ~FilterResult()
{
}
+};
- virtual FilterResult* FilterMatch(const std::string &text)
+class CommandFilter : public Command
+{
+ public:
+ CommandFilter(Module* f)
+ : Command(f, "FILTER", 1, 5)
+ {
+ flags_needed = 'o';
+ this->syntax = "<filter-definition> <action> <flags> [<gline-duration>] :<reason>";
+ }
+ CmdResult Handle(const std::vector<std::string>&, User*);
+
+ void TooFewParams(User* user, const std::string &extra_text)
+ {
+ user->WriteServ("NOTICE %s :*** Not enough parameters%s", user->nick.c_str(), extra_text.c_str());
+ }
+
+ RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ {
+ return ROUTE_BROADCAST;
+ }
+};
+
+class ImplFilter : public FilterResult
+{
+ public:
+ Regex* regex;
+
+ ImplFilter(ModuleFilter* mymodule, const std::string &rea, const std::string &act, long glinetime, const std::string &pat, const std::string &flgs);
+};
+
+
+class ModuleFilter : public Module
+{
+ public:
+ CommandFilter filtcommand;
+ dynamic_reference<RegexFactory> RegexEngine;
+
+ std::vector<ImplFilter> filters;
+ const char *error;
+ int erroffset;
+ int flags;
+
+ std::vector<std::string> exemptfromfilter; // List of channel names excluded from filtering.
+
+ ModuleFilter();
+ void init();
+ ~ModuleFilter();
+ ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
+ FilterResult* FilterMatch(User* user, const std::string &text, int flags);
+ bool DeleteFilter(const std::string &freeform);
+ void SyncFilters(Module* proto, void* opaque);
+ void SendFilter(Module* proto, void* opaque, FilterResult* iter);
+ std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flags);
+ ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
+ void OnRehash(User* user);
+ Version GetVersion();
+ std::string EncodeFilter(FilterResult* filter);
+ FilterResult DecodeFilter(const std::string &data);
+ void OnSyncNetwork(Module* proto, void* opaque);
+ void OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata);
+ ModResult OnStats(char symbol, User* user, string_list &results);
+ ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line);
+ bool AppliesToMe(User* user, FilterResult* filter, int flags);
+ void ReadFilters(ConfigReader &MyConf);
+};
+
+CmdResult CommandFilter::Handle(const std::vector<std::string> ¶meters, User *user)
+{
+ if (parameters.size() == 1)
+ {
+ /* Deleting a filter */
+ Module *me = creator;
+ if (static_cast<ModuleFilter *>(me)->DeleteFilter(parameters[0]))
+ {
+ user->WriteServ("NOTICE %s :*** Removed filter '%s'", user->nick.c_str(), parameters[0].c_str());
+ ServerInstance->SNO->WriteToSnoMask(IS_LOCAL(user) ? 'a' : 'A', std::string("FILTER: ")+user->nick+" removed filter '"+parameters[0]+"'");
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ user->WriteServ("NOTICE %s :*** Filter '%s' not found in list, try /stats s.", user->nick.c_str(), parameters[0].c_str());
+ return CMD_FAILURE;
+ }
+ }
+ else
{
- std::string text2 = text+" ";
- for (filter_t::iterator index = filters.begin(); index != filters.end(); index++)
+ /* Adding a filter */
+ if (parameters.size() >= 4)
{
- if ((ServerInstance->MatchText(text2,index->first)) || (ServerInstance->MatchText(text,index->first)))
+ std::string freeform = parameters[0];
+ std::string type = parameters[1];
+ std::string flags = parameters[2];
+ std::string reason;
+ long duration = 0;
+
+
+ if ((type != "gline") && (type != "none") && (type != "block") && (type != "kill") && (type != "silent"))
{
- FilterResult* fr = index->second;
- if (index != filters.begin())
+ user->WriteServ("NOTICE %s :*** Invalid filter type '%s'. Supported types are 'gline', 'none', 'block', 'silent' and 'kill'.", user->nick.c_str(), type.c_str());
+ return CMD_FAILURE;
+ }
+
+ if (type == "gline")
+ {
+ if (parameters.size() >= 5)
{
- std::string pat = index->first;
- filters.erase(index);
- filters.insert(filters.begin(), std::make_pair(pat,fr));
+ duration = ServerInstance->Duration(parameters[3]);
+ reason = parameters[4];
}
- return fr;
+ else
+ {
+ this->TooFewParams(user, ": When setting a gline type filter, a gline duration must be specified as the third parameter.");
+ return CMD_FAILURE;
+ }
+ }
+ else
+ {
+ reason = parameters[3];
+ }
+
+ Module *me = creator;
+ std::pair<bool, std::string> result = static_cast<ModuleFilter *>(me)->AddFilter(freeform, type, reason, duration, flags);
+ if (result.first)
+ {
+ user->WriteServ("NOTICE %s :*** Added filter '%s', type '%s'%s%s, flags '%s', reason: '%s'", user->nick.c_str(), freeform.c_str(),
+ type.c_str(), (duration ? ", duration " : ""), (duration ? parameters[3].c_str() : ""),
+ flags.c_str(), reason.c_str());
+
+ ServerInstance->SNO->WriteToSnoMask(IS_LOCAL(user) ? 'a' : 'A', std::string("FILTER: ")+user->nick+" added filter '"+freeform+"', type '"+type+"', "+(duration ? "duration "+parameters[3]+", " : "")+"flags '"+flags+"', reason: "+reason);
+
+ return CMD_SUCCESS;
+ }
+ else
+ {
+ user->WriteServ("NOTICE %s :*** Filter '%s' could not be added: %s", user->nick.c_str(), freeform.c_str(), result.second.c_str());
+ return CMD_FAILURE;
}
}
- return NULL;
+ else
+ {
+ this->TooFewParams(user, ".");
+ return CMD_FAILURE;
+ }
+
}
+}
- virtual bool DeleteFilter(const std::string &freeform)
+bool ModuleFilter::AppliesToMe(User* user, FilterResult* filter, int iflags)
+{
+ if ((filter->flag_no_opers) && IS_OPER(user))
+ return false;
+ if ((iflags & FLAG_PRIVMSG) && (!filter->flag_privmsg))
+ return false;
+ if ((iflags & FLAG_NOTICE) && (!filter->flag_notice))
+ return false;
+ if ((iflags & FLAG_QUIT) && (!filter->flag_quit_message))
+ return false;
+ if ((iflags & FLAG_PART) && (!filter->flag_part_message))
+ return false;
+ return true;
+}
+
+ModuleFilter::ModuleFilter() : filtcommand(this), RegexEngine(this, "regex")
+{
+}
+
+void ModuleFilter::init()
+{
+ ServerInstance->AddCommand(&filtcommand);
+ Implementation eventlist[] = { I_OnPreCommand, I_OnStats, I_OnSyncNetwork, I_OnDecodeMetaData, I_OnUserPreMessage, I_OnUserPreNotice, I_OnRehash };
+ ServerInstance->Modules->Attach(eventlist, this, 7);
+ OnRehash(NULL);
+}
+
+ModuleFilter::~ModuleFilter()
+{
+}
+
+ModResult ModuleFilter::OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+{
+ if (!IS_LOCAL(user))
+ return MOD_RES_PASSTHRU;
+
+ flags = FLAG_PRIVMSG;
+ return OnUserPreNotice(user,dest,target_type,text,status,exempt_list);
+}
+
+ModResult ModuleFilter::OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+{
+ /* Leave ulines alone */
+ if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user)))
+ return MOD_RES_PASSTHRU;
+
+ if (!flags)
+ flags = FLAG_NOTICE;
+
+ FilterResult* f = this->FilterMatch(user, text, flags);
+ if (f)
{
- if (filters.find(freeform) != filters.end())
+ std::string target = "";
+ if (target_type == TYPE_USER)
{
- delete (filters.find(freeform))->second;
- filters.erase(filters.find(freeform));
- return true;
+ User* t = (User*)dest;
+ target = std::string(t->nick);
}
- return false;
+ else if (target_type == TYPE_CHANNEL)
+ {
+ Channel* t = (Channel*)dest;
+ target = std::string(t->name);
+ std::vector<std::string>::iterator i = find(exemptfromfilter.begin(), exemptfromfilter.end(), target);
+ if (i != exemptfromfilter.end()) return MOD_RES_PASSTHRU;
+ }
+ if (f->action == "block")
+ {
+ ServerInstance->SNO->WriteGlobalSno('a', std::string("FILTER: ")+user->nick+" had their message filtered, target was "+target+": "+f->reason);
+ if (target_type == TYPE_CHANNEL)
+ user->WriteNumeric(404, "%s %s :Message to channel blocked and opers notified (%s)",user->nick.c_str(), target.c_str(), f->reason.c_str());
+ else
+ user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message to "+target+" was blocked and opers notified: "+f->reason);
+ }
+ if (f->action == "silent")
+ {
+ if (target_type == TYPE_CHANNEL)
+ user->WriteNumeric(404, "%s %s :Message to channel blocked (%s)",user->nick.c_str(), target.c_str(), f->reason.c_str());
+ else
+ user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message to "+target+" was blocked: "+f->reason);
+ }
+ if (f->action == "kill")
+ {
+ ServerInstance->Users->QuitUser(user, "Filtered: " + f->reason);
+ }
+ if (f->action == "gline")
+ {
+ GLine* gl = new GLine(ServerInstance->Time(), f->gline_time, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), "*", user->GetIPString());
+ if (ServerInstance->XLines->AddLine(gl,NULL))
+ {
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ delete gl;
+ }
+
+ ServerInstance->Logs->Log("FILTER",DEFAULT,"FILTER: "+ user->nick + " had their message filtered, target was " + target + ": " + f->reason + " Action: " + f->action);
+ return MOD_RES_DENY;
}
+ return MOD_RES_PASSTHRU;
+}
- virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration)
+ModResult ModuleFilter::OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
+{
+ flags = 0;
+ if (validated && IS_LOCAL(user))
{
- if (filters.find(freeform) != filters.end())
+ std::string checkline;
+ int replacepoint = 0;
+ bool parting = false;
+
+ if (command == "QUIT")
{
- return std::make_pair(false, "Filter already exists");
+ /* QUIT with no reason: nothing to do */
+ if (parameters.size() < 1)
+ return MOD_RES_PASSTHRU;
+
+ checkline = parameters[0];
+ replacepoint = 0;
+ parting = false;
+ flags = FLAG_QUIT;
}
+ else if (command == "PART")
+ {
+ /* PART with no reason: nothing to do */
+ if (parameters.size() < 2)
+ return MOD_RES_PASSTHRU;
+
+ std::vector<std::string>::iterator i = find(exemptfromfilter.begin(), exemptfromfilter.end(), parameters[0]);
+ if (i != exemptfromfilter.end()) return MOD_RES_PASSTHRU;
+ checkline = parameters[1];
+ replacepoint = 1;
+ parting = true;
+ flags = FLAG_PART;
+ }
+ else
+ /* We're only messing with PART and QUIT */
+ return MOD_RES_PASSTHRU;
+
+ FilterResult* f = NULL;
- FilterResult* x = new FilterResult;
- x->reason = reason;
- x->action = type;
- x->gline_time = duration;
- x->freeform = freeform;
- filters[freeform] = x;
+ if (flags)
+ f = this->FilterMatch(user, checkline, flags);
+
+ if (!f)
+ /* PART or QUIT reason doesnt match a filter */
+ return MOD_RES_PASSTHRU;
+
+ /* We cant block a part or quit, so instead we change the reason to 'Reason filtered' */
+ Command* c = ServerInstance->Parser->GetHandler(command);
+ if (c)
+ {
+ std::vector<std::string> params;
+ for (int item = 0; item < (int)parameters.size(); item++)
+ params.push_back(parameters[item]);
+ params[replacepoint] = "Reason filtered";
- return std::make_pair(true, "");
+ /* We're blocking, OR theyre quitting and its a KILL action
+ * (we cant kill someone whos already quitting, so filter them anyway)
+ */
+ if ((f->action == "block") || (((!parting) && (f->action == "kill"))) || (f->action == "silent"))
+ {
+ c->Handle(params, user);
+ return MOD_RES_DENY;
+ }
+ else
+ {
+ /* Are they parting, if so, kill is applicable */
+ if ((parting) && (f->action == "kill"))
+ {
+ user->WriteServ("NOTICE %s :*** Your PART message was filtered: %s", user->nick.c_str(), f->reason.c_str());
+ ServerInstance->Users->QuitUser(user, "Filtered: " + f->reason);
+ }
+ if (f->action == "gline")
+ {
+ /* Note: We gline *@IP so that if their host doesnt resolve the gline still applies. */
+ GLine* gl = new GLine(ServerInstance->Time(), f->gline_time, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), "*", user->GetIPString());
+ if (ServerInstance->XLines->AddLine(gl,NULL))
+ {
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ delete gl;
+ }
+ return MOD_RES_DENY;
+ }
+ }
+ return MOD_RES_PASSTHRU;
}
+ return MOD_RES_PASSTHRU;
+}
- virtual void SyncFilters(Module* proto, void* opaque)
+void ModuleFilter::OnRehash(User* user)
+{
+ ConfigReader MyConf;
+ std::vector<std::string>().swap(exemptfromfilter);
+ for (int index = 0; index < MyConf.Enumerate("exemptfromfilter"); ++index)
{
- for (filter_t::iterator n = filters.begin(); n != filters.end(); n++)
- {
- this->SendFilter(proto, opaque, n->second);
+ std::string chan = MyConf.ReadValue("exemptfromfilter", "channel", index);
+ if (!chan.empty()) {
+ exemptfromfilter.push_back(chan);
}
}
+ std::string newrxengine = "regex/" + MyConf.ReadValue("filteropts", "engine", 0);
+ if (newrxengine == "regex/")
+ newrxengine = "regex";
+ if (RegexEngine.GetProvider() == newrxengine)
+ return;
+
+ //ServerInstance->SNO->WriteGlobalSno('a', "Dumping all filters due to regex engine change (was '%s', now '%s')", RegexEngine.GetProvider().c_str(), newrxengine.c_str());
+ //ServerInstance->XLines->DelAll("R");
- virtual void OnRehash(userrec* user, const std::string ¶meter)
+ RegexEngine.SetProvider(newrxengine);
+ if (!RegexEngine)
{
- ConfigReader* MyConf = new ConfigReader(ServerInstance);
+ ServerInstance->SNO->WriteGlobalSno('a', "WARNING: Regex engine '%s' is not loaded - Filter functionality disabled until this is corrected.", newrxengine.c_str());
+ }
+ ReadFilters(MyConf);
+}
- for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
- {
- this->DeleteFilter(MyConf->ReadValue("keyword","pattern",index));
+Version ModuleFilter::GetVersion()
+{
+ return Version("Text (spam) filtering", VF_VENDOR | VF_COMMON, RegexEngine ? RegexEngine->name : "");
+}
- std::string pattern = MyConf->ReadValue("keyword","pattern",index);
- std::string reason = MyConf->ReadValue("keyword","reason",index);
- std::string do_action = MyConf->ReadValue("keyword","action",index);
- long gline_time = ServerInstance->Duration(MyConf->ReadValue("keyword","duration",index).c_str());
- if (do_action == "")
- do_action = "none";
- FilterResult* x = new FilterResult;
- x->reason = reason;
- x->action = do_action;
- x->gline_time = gline_time;
- x->freeform = pattern;
- filters[pattern] = x;
- }
- DELETE(MyConf);
+
+std::string ModuleFilter::EncodeFilter(FilterResult* filter)
+{
+ std::ostringstream stream;
+ std::string x = filter->freeform;
+
+ /* Hax to allow spaces in the freeform without changing the design of the irc protocol */
+ for (std::string::iterator n = x.begin(); n != x.end(); n++)
+ if (*n == ' ')
+ *n = '\7';
+
+ stream << x << " " << filter->action << " " << (filter->flags.empty() ? "-" : filter->flags) << " " << filter->gline_time << " :" << filter->reason;
+ return stream.str();
+}
+
+FilterResult ModuleFilter::DecodeFilter(const std::string &data)
+{
+ FilterResult res;
+ irc::tokenstream tokens(data);
+ tokens.GetToken(res.freeform);
+ tokens.GetToken(res.action);
+ tokens.GetToken(res.flags);
+ if (res.flags == "-")
+ res.flags = "";
+ res.FillFlags(res.flags);
+ tokens.GetToken(res.gline_time);
+ tokens.GetToken(res.reason);
+
+ /* Hax to allow spaces in the freeform without changing the design of the irc protocol */
+ for (std::string::iterator n = res.freeform.begin(); n != res.freeform.end(); n++)
+ if (*n == '\7')
+ *n = ' ';
+
+ return res;
+}
+
+void ModuleFilter::OnSyncNetwork(Module* proto, void* opaque)
+{
+ this->SyncFilters(proto, opaque);
+}
+
+void ModuleFilter::SendFilter(Module* proto, void* opaque, FilterResult* iter)
+{
+ proto->ProtoSendMetaData(opaque, NULL, "filter", EncodeFilter(iter));
+}
+
+void ModuleFilter::OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata)
+{
+ if ((target == NULL) && (extname == "filter"))
+ {
+ FilterResult data = DecodeFilter(extdata);
+ this->AddFilter(data.freeform, data.action, data.reason, data.gline_time, data.flags);
}
+}
+
+ImplFilter::ImplFilter(ModuleFilter* mymodule, const std::string &rea, const std::string &act, long glinetime, const std::string &pat, const std::string &flgs)
+ : FilterResult(pat, rea, act, glinetime, flgs)
+{
+ if (!mymodule->RegexEngine)
+ throw ModuleException("Regex module implementing '"+mymodule->RegexEngine.GetProvider()+"' is not loaded!");
+ regex = mymodule->RegexEngine->Create(pat);
+}
- virtual int OnStats(char symbol, userrec* user, string_list &results)
+FilterResult* ModuleFilter::FilterMatch(User* user, const std::string &text, int flgs)
+{
+ for (std::vector<ImplFilter>::iterator index = filters.begin(); index != filters.end(); index++)
{
- if (symbol == 's')
+ /* Skip ones that dont apply to us */
+ if (!AppliesToMe(user, dynamic_cast<FilterResult*>(&(*index)), flgs))
+ continue;
+
+ //ServerInstance->Logs->Log("m_filter", DEBUG, "Match '%s' against '%s'", text.c_str(), index->freeform.c_str());
+ if (index->regex->Matches(text))
{
- std::string sn = ServerInstance->Config->ServerName;
- for (filter_t::iterator n = filters.begin(); n != filters.end(); n++)
+ //ServerInstance->Logs->Log("m_filter", DEBUG, "MATCH");
+ ImplFilter fr = *index;
+ if (index != filters.begin())
{
- results.push_back(sn+" 223 "+user->nick+" :GLOB:"+n->second->freeform+" "+n->second->action+" "+ConvToStr(n->second->gline_time)+" :"+n->second->reason);
+ /* Move to head of list for efficiency */
+ filters.erase(index);
+ filters.insert(filters.begin(), fr);
}
+ return &*filters.begin();
}
- return 0;
+ //ServerInstance->Logs->Log("m_filter", DEBUG, "NO MATCH");
}
-};
+ return NULL;
+}
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
+bool ModuleFilter::DeleteFilter(const std::string &freeform)
+{
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ if (i->freeform == freeform)
+ {
+ delete i->regex;
+ filters.erase(i);
+ return true;
+ }
+ }
+ return false;
+}
-class ModuleFilterFactory : public ModuleFactory
+void ModuleFilter::SyncFilters(Module* proto, void* opaque)
{
- public:
- ModuleFilterFactory()
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
{
+ this->SendFilter(proto, opaque, &(*i));
}
-
- ~ModuleFilterFactory()
+}
+
+std::pair<bool, std::string> ModuleFilter::AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flgs)
+{
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
{
+ if (i->freeform == freeform)
+ {
+ return std::make_pair(false, "Filter already exists");
+ }
}
-
- virtual Module * CreateModule(InspIRCd* Me)
+
+ try
{
- return new ModuleFilter(Me);
+ filters.push_back(ImplFilter(this, reason, type, duration, freeform, flgs));
}
-
-};
+ catch (ModuleException &e)
+ {
+ ServerInstance->Logs->Log("m_filter", DEFAULT, "Error in regular expression '%s': %s", freeform.c_str(), e.GetReason());
+ return std::make_pair(false, e.GetReason());
+ }
+ return std::make_pair(true, "");
+}
+
+void ModuleFilter::ReadFilters(ConfigReader &MyConf)
+{
+ for (int index = 0; index < MyConf.Enumerate("keyword"); index++)
+ {
+ this->DeleteFilter(MyConf.ReadValue("keyword", "pattern", index));
+ std::string pattern = MyConf.ReadValue("keyword", "pattern", index);
+ std::string reason = MyConf.ReadValue("keyword", "reason", index);
+ std::string action = MyConf.ReadValue("keyword", "action", index);
+ std::string flgs = MyConf.ReadValue("keyword", "flags", index);
+ long gline_time = ServerInstance->Duration(MyConf.ReadValue("keyword", "duration", index));
+ if (action.empty())
+ action = "none";
+ if (flgs.empty())
+ flgs = "*";
-extern "C" void * init_module( void )
+ try
+ {
+ filters.push_back(ImplFilter(this, reason, action, gline_time, pattern, flgs));
+ ServerInstance->Logs->Log("m_filter", DEFAULT, "Regular expression %s loaded.", pattern.c_str());
+ }
+ catch (ModuleException &e)
+ {
+ ServerInstance->Logs->Log("m_filter", DEFAULT, "Error in regular expression '%s': %s", pattern.c_str(), e.GetReason());
+ }
+ }
+}
+
+ModResult ModuleFilter::OnStats(char symbol, User* user, string_list &results)
{
- return new ModuleFilterFactory;
+ if (symbol == 's')
+ {
+ std::string sn = ServerInstance->Config->ServerName;
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ results.push_back(sn+" 223 "+user->nick+" :"+RegexEngine.GetProvider()+":"+i->freeform+" "+i->flags+" "+i->action+" "+ConvToStr(i->gline_time)+" :"+i->reason);
+ }
+ for (std::vector<std::string>::iterator i = exemptfromfilter.begin(); i != exemptfromfilter.end(); ++i)
+ {
+ results.push_back(sn+" 223 "+user->nick+" :EXEMPT "+(*i));
+ }
+ }
+ return MOD_RES_PASSTHRU;
}
+MODULE_INIT(ModuleFilter)
projects / user / henk / code / inspircd.git / blobdiff