* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2010 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
/* $ModDesc: Text (spam) filtering */
-static std::string RegexEngine = "";
-static Module* rxengine = NULL;
+class ModuleFilter;
enum FilterFlags
{
FLAG_NOTICE = 16
};
-class FilterResult : public classbase
+class FilterResult
{
public:
std::string freeform;
{
}
- virtual ~FilterResult()
+ ~FilterResult()
{
}
};
-class CommandFilter;
+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 FilterBase : public Module
+class ModuleFilter : public Module
{
- CommandFilter* filtcommand;
+ public:
+ CommandFilter filtcommand;
+ dynamic_reference<RegexFactory> RegexEngine;
+
+ std::vector<ImplFilter> filters;
+ const char *error;
+ int erroffset;
int flags;
-protected:
+
std::vector<std::string> exemptfromfilter; // List of channel names excluded from filtering.
- public:
- FilterBase(InspIRCd* Me, const std::string &source);
- virtual ~FilterBase();
- virtual int OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
- virtual FilterResult* FilterMatch(User* user, const std::string &text, int flags) = 0;
- virtual bool DeleteFilter(const std::string &freeform) = 0;
- virtual void SyncFilters(Module* proto, void* opaque) = 0;
- virtual void SendFilter(Module* proto, void* opaque, FilterResult* iter);
- virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flags) = 0;
- virtual int OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
- virtual void OnRehash(User* user, const std::string ¶meter);
- virtual Version GetVersion();
+
+ 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);
- virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable = false);
- virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata);
- virtual int OnStats(char symbol, User* user, string_list &results) = 0;
- virtual int OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User *user, bool validated, const std::string &original_line);
+ 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 OnLoadModule(Module* mod, const std::string& name);
- virtual void ReadFilters(ConfigReader &MyConf) = 0;
+ void ReadFilters(ConfigReader &MyConf);
};
-class CommandFilter : public Command
+CmdResult CommandFilter::Handle(const std::vector<std::string> ¶meters, User *user)
{
- FilterBase* Base;
- public:
- CommandFilter(FilterBase* f, InspIRCd* Me, const std::string &ssource) : Command(Me, "FILTER", "o", 1, 5), Base(f)
+ if (parameters.size() == 1)
{
- this->source = ssource;
- this->syntax = "<filter-definition> <action> <flags> [<gline-duration>] :<reason>";
- }
-
- CmdResult 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]))
{
- /* Deleting a filter */
- if (Base->DeleteFilter(parameters[0]))
- {
- user->WriteServ("NOTICE %s :*** Removed filter '%s'", user->nick.c_str(), parameters[0].c_str());
- ServerInstance->SNO->WriteToSnoMask('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;
- }
+ 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
{
- /* Adding a filter */
- if (parameters.size() >= 4)
- {
- std::string freeform = parameters[0];
- std::string type = parameters[1];
- std::string flags = parameters[2];
- std::string reason;
- long duration = 0;
+ 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
+ {
+ /* Adding a filter */
+ if (parameters.size() >= 4)
+ {
+ 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"))
- {
- user->WriteServ("NOTICE %s :*** Invalid filter type '%s'. Supported types are 'gline', 'none', 'block', 'silent' and 'kill'.", user->nick.c_str(), freeform.c_str());
- return CMD_FAILURE;
- }
+ if ((type != "gline") && (type != "none") && (type != "block") && (type != "kill") && (type != "silent"))
+ {
+ 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 (type == "gline")
+ {
+ if (parameters.size() >= 5)
{
- if (parameters.size() >= 5)
- {
- duration = ServerInstance->Duration(parameters[3]);
- reason = parameters[4];
- }
- else
- {
- this->TooFewParams(user, ": When setting a gline type filter, a gline duration must be specified as the third parameter.");
- return CMD_FAILURE;
- }
+ duration = ServerInstance->Duration(parameters[3]);
+ reason = parameters[4];
}
else
{
- reason = parameters[3];
+ this->TooFewParams(user, ": When setting a gline type filter, a gline duration must be specified as the third parameter.");
+ return CMD_FAILURE;
}
- std::pair<bool, std::string> result = Base->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());
+ }
+ 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('A', std::string("FILTER: ")+user->nick+" added filter '"+freeform+"', type '"+type+"', "+(duration ? "duration "+parameters[3]+", " : "")+"flags '"+flags+"', reason: "+reason);
+ 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 CMD_SUCCESS;
}
else
{
- this->TooFewParams(user, ".");
+ 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;
}
-
}
- }
+ else
+ {
+ this->TooFewParams(user, ".");
+ return CMD_FAILURE;
+ }
- 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());
}
-};
+}
-bool FilterBase::AppliesToMe(User* user, FilterResult* filter, int iflags)
+bool ModuleFilter::AppliesToMe(User* user, FilterResult* filter, int iflags)
{
if ((filter->flag_no_opers) && IS_OPER(user))
return false;
return true;
}
-FilterBase::FilterBase(InspIRCd* Me, const std::string &source) : Module(Me)
+ModuleFilter::ModuleFilter() : filtcommand(this), RegexEngine(this, "regex")
+{
+}
+
+void ModuleFilter::init()
{
- Me->Modules->UseInterface("RegularExpression");
- filtcommand = new CommandFilter(this, Me, source);
- ServerInstance->AddCommand(filtcommand);
- Implementation eventlist[] = { I_OnPreCommand, I_OnStats, I_OnSyncOtherMetaData, I_OnDecodeMetaData, I_OnUserPreMessage, I_OnUserPreNotice, I_OnRehash, I_OnLoadModule };
- ServerInstance->Modules->Attach(eventlist, this, 8);
+ 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);
}
-FilterBase::~FilterBase()
+ModuleFilter::~ModuleFilter()
{
- ServerInstance->Modules->DoneWithInterface("RegularExpression");
}
-int FilterBase::OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+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);
}
-int FilterBase::OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
+ModResult ModuleFilter::OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
- if (!flags)
- flags = FLAG_NOTICE;
-
/* Leave ulines alone */
if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user)))
- return 0;
+ return MOD_RES_PASSTHRU;
+
+ if (!flags)
+ flags = FLAG_NOTICE;
FilterResult* f = this->FilterMatch(user, text, flags);
if (f)
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 0;
+ if (i != exemptfromfilter.end()) return MOD_RES_PASSTHRU;
}
if (f->action == "block")
{
- ServerInstance->SNO->WriteToSnoMask('A', std::string("FILTER: ")+user->nick+" had their message filtered, target was "+target+": "+f->reason);
+ 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
}
if (f->action == "gline")
{
- GLine* gl = new GLine(ServerInstance, ServerInstance->Time(), f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), "*", user->GetIPString());
+ 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();
}
ServerInstance->Logs->Log("FILTER",DEFAULT,"FILTER: "+ user->nick + " had their message filtered, target was " + target + ": " + f->reason + " Action: " + f->action);
- return 1;
+ return MOD_RES_DENY;
}
- return 0;
+ return MOD_RES_PASSTHRU;
}
-int FilterBase::OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User *user, bool validated, const std::string &original_line)
+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))
{
/* QUIT with no reason: nothing to do */
if (parameters.size() < 1)
- return 0;
+ return MOD_RES_PASSTHRU;
checkline = parameters[0];
replacepoint = 0;
{
/* PART with no reason: nothing to do */
if (parameters.size() < 2)
- return 0;
+ return MOD_RES_PASSTHRU;
std::vector<std::string>::iterator i = find(exemptfromfilter.begin(), exemptfromfilter.end(), parameters[0]);
- if (i != exemptfromfilter.end()) return 0;
+ if (i != exemptfromfilter.end()) return MOD_RES_PASSTHRU;
checkline = parameters[1];
replacepoint = 1;
parting = true;
}
else
/* We're only messing with PART and QUIT */
- return 0;
+ return MOD_RES_PASSTHRU;
FilterResult* f = NULL;
if (!f)
/* PART or QUIT reason doesnt match a filter */
- return 0;
+ 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 ((f->action == "block") || (((!parting) && (f->action == "kill"))) || (f->action == "silent"))
{
c->Handle(params, user);
- return 1;
+ return MOD_RES_DENY;
}
else
{
if (f->action == "gline")
{
/* Note: We gline *@IP so that if their host doesnt resolve the gline still applies. */
- GLine* gl = new GLine(ServerInstance, ServerInstance->Time(), f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), "*", user->GetIPString());
+ 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 1;
+ return MOD_RES_DENY;
}
}
- return 0;
+ return MOD_RES_PASSTHRU;
}
- return 0;
+ return MOD_RES_PASSTHRU;
}
-void FilterBase::OnRehash(User* user, const std::string ¶meter)
+void ModuleFilter::OnRehash(User* user)
{
- ConfigReader* MyConf = new ConfigReader(ServerInstance);
+ ConfigReader MyConf;
std::vector<std::string>().swap(exemptfromfilter);
- for (int index = 0; index < MyConf->Enumerate("exemptfromfilter"); ++index)
+ for (int index = 0; index < MyConf.Enumerate("exemptfromfilter"); ++index)
{
- std::string chan = MyConf->ReadValue("exemptfromfilter", "channel", index);
+ std::string chan = MyConf.ReadValue("exemptfromfilter", "channel", index);
if (!chan.empty()) {
exemptfromfilter.push_back(chan);
}
}
- std::string newrxengine = MyConf->ReadValue("filteropts", "engine", 0);
- if (!RegexEngine.empty())
- {
- if (RegexEngine == newrxengine)
- return;
+ std::string newrxengine = "regex/" + MyConf.ReadValue("filteropts", "engine", 0);
+ if (newrxengine == "regex/")
+ newrxengine = "regex";
+ if (RegexEngine.GetProvider() == newrxengine)
+ return;
- ServerInstance->SNO->WriteToSnoMask('A', "Dumping all filters due to regex engine change (was '%s', now '%s')", RegexEngine.c_str(), newrxengine.c_str());
- //ServerInstance->XLines->DelAll("R");
- }
- rxengine = NULL;
+ //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");
- RegexEngine = newrxengine;
- modulelist* ml = ServerInstance->Modules->FindInterface("RegularExpression");
- if (ml)
- {
- for (modulelist::iterator i = ml->begin(); i != ml->end(); ++i)
- {
- if (RegexNameRequest(this, *i).Send() == newrxengine)
- {
- ServerInstance->SNO->WriteToSnoMask('A', "Filter now using engine '%s'", RegexEngine.c_str());
- rxengine = *i;
- }
- }
- }
- if (!rxengine)
+ RegexEngine.SetProvider(newrxengine);
+ if (!RegexEngine)
{
- ServerInstance->SNO->WriteToSnoMask('A', "WARNING: Regex engine '%s' is not loaded - Filter functionality disabled until this is corrected.", RegexEngine.c_str());
+ ServerInstance->SNO->WriteGlobalSno('a', "WARNING: Regex engine '%s' is not loaded - Filter functionality disabled until this is corrected.", newrxengine.c_str());
}
-
- delete MyConf;
+ ReadFilters(MyConf);
}
-void FilterBase::OnLoadModule(Module* mod, const std::string& name)
+Version ModuleFilter::GetVersion()
{
- if (ServerInstance->Modules->ModuleHasInterface(mod, "RegularExpression"))
- {
- std::string rxname = RegexNameRequest(this, mod).Send();
- if (rxname == RegexEngine)
- {
- rxengine = mod;
- /* Force a rehash to make sure that any filters that couldnt be applied from the conf
- * on startup or on load are applied right now.
- */
- ConfigReader Config(ServerInstance);
- ServerInstance->SNO->WriteToSnoMask('A', "Found and activated regex module '%s' for m_filter.so.", RegexEngine.c_str());
- ReadFilters(Config);
- }
- }
+ return Version("Text (spam) filtering", VF_VENDOR | VF_COMMON, RegexEngine ? RegexEngine->name : "");
}
-Version FilterBase::GetVersion()
-{
- return Version("$Id$", VF_VENDOR | VF_COMMON, API_VERSION);
-}
-
-
-std::string FilterBase::EncodeFilter(FilterResult* filter)
+std::string ModuleFilter::EncodeFilter(FilterResult* filter)
{
std::ostringstream stream;
std::string x = filter->freeform;
return stream.str();
}
-FilterResult FilterBase::DecodeFilter(const std::string &data)
+FilterResult ModuleFilter::DecodeFilter(const std::string &data)
{
FilterResult res;
irc::tokenstream tokens(data);
return res;
}
-void FilterBase::OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
+void ModuleFilter::OnSyncNetwork(Module* proto, void* opaque)
{
this->SyncFilters(proto, opaque);
}
-void FilterBase::SendFilter(Module* proto, void* opaque, FilterResult* iter)
+void ModuleFilter::SendFilter(Module* proto, void* opaque, FilterResult* iter)
{
- proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "filter", EncodeFilter(iter));
+ proto->ProtoSendMetaData(opaque, NULL, "filter", EncodeFilter(iter));
}
-void FilterBase::OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
+void ModuleFilter::OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata)
{
- if ((target_type == TYPE_OTHER) && (extname == "filter"))
+ if ((target == NULL) && (extname == "filter"))
{
FilterResult data = DecodeFilter(extdata);
this->AddFilter(data.freeform, data.action, data.reason, data.gline_time, data.flags);
}
}
-class ImplFilter : public FilterResult
+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)
{
- public:
- Regex* regex;
+ if (!mymodule->RegexEngine)
+ throw ModuleException("Regex module implementing '"+mymodule->RegexEngine.GetProvider()+"' is not loaded!");
+ regex = mymodule->RegexEngine->Create(pat);
+}
- ImplFilter(Module* 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)
+FilterResult* ModuleFilter::FilterMatch(User* user, const std::string &text, int flgs)
+{
+ for (std::vector<ImplFilter>::iterator index = filters.begin(); index != filters.end(); index++)
{
- if (!rxengine)
- throw ModuleException("Regex module implementing '"+RegexEngine+"' is not loaded!");
+ /* Skip ones that dont apply to us */
+ if (!AppliesToMe(user, dynamic_cast<FilterResult*>(&(*index)), flgs))
+ continue;
- regex = RegexFactoryRequest(mymodule, rxengine, pat).Create();
- }
-
- ImplFilter()
- {
+ //ServerInstance->Logs->Log("m_filter", DEBUG, "Match '%s' against '%s'", text.c_str(), index->freeform.c_str());
+ if (index->regex->Matches(text))
+ {
+ //ServerInstance->Logs->Log("m_filter", DEBUG, "MATCH");
+ ImplFilter fr = *index;
+ if (index != filters.begin())
+ {
+ /* Move to head of list for efficiency */
+ filters.erase(index);
+ filters.insert(filters.begin(), fr);
+ }
+ return &*filters.begin();
+ }
+ //ServerInstance->Logs->Log("m_filter", DEBUG, "NO MATCH");
}
-};
+ return NULL;
+}
-class ModuleFilter : public FilterBase
+bool ModuleFilter::DeleteFilter(const std::string &freeform)
{
- std::vector<ImplFilter> filters;
- const char *error;
- int erroffset;
- ImplFilter fr;
-
- public:
- ModuleFilter(InspIRCd* Me)
- : FilterBase(Me, "m_filter.so")
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
{
- OnRehash(NULL,"");
+ if (i->freeform == freeform)
+ {
+ delete i->regex;
+ filters.erase(i);
+ return true;
+ }
}
+ return false;
+}
- virtual ~ModuleFilter()
+void ModuleFilter::SyncFilters(Module* proto, void* opaque)
+{
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
{
+ this->SendFilter(proto, opaque, &(*i));
}
+}
- virtual FilterResult* FilterMatch(User* user, const std::string &text, int flgs)
+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++)
{
- for (std::vector<ImplFilter>::iterator index = filters.begin(); index != filters.end(); index++)
+ if (i->freeform == freeform)
{
- /* Skip ones that dont apply to us */
- if (!FilterBase::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))
- {
- //ServerInstance->Logs->Log("m_filter", DEBUG, "MATCH");
- fr = *index;
- if (index != filters.begin())
- {
- /* Move to head of list for efficiency */
- filters.erase(index);
- filters.insert(filters.begin(), fr);
- }
- return &fr;
- }
- //ServerInstance->Logs->Log("m_filter", DEBUG, "NO MATCH");
+ return std::make_pair(false, "Filter already exists");
}
- return NULL;
}
- virtual bool DeleteFilter(const std::string &freeform)
+ try
{
- 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;
+ filters.push_back(ImplFilter(this, reason, type, duration, freeform, flgs));
}
-
- virtual void SyncFilters(Module* proto, void* opaque)
+ catch (ModuleException &e)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
- {
- this->SendFilter(proto, opaque, &(*i));
- }
+ 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, "");
+}
- virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flgs)
+void ModuleFilter::ReadFilters(ConfigReader &MyConf)
+{
+ for (int index = 0; index < MyConf.Enumerate("keyword"); index++)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
- {
- if (i->freeform == freeform)
- {
- return std::make_pair(false, "Filter already exists");
- }
- }
+ 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 = "*";
try
{
- filters.push_back(ImplFilter(this, reason, type, duration, freeform, flgs));
+ 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", freeform.c_str(), e.GetReason());
- return std::make_pair(false, e.GetReason());
+ ServerInstance->Logs->Log("m_filter", DEFAULT, "Error in regular expression '%s': %s", pattern.c_str(), e.GetReason());
}
- return std::make_pair(true, "");
- }
-
- virtual void OnRehash(User* user, const std::string ¶meter)
- {
- ConfigReader MyConf(ServerInstance);
- FilterBase::OnRehash(user, parameter);
- ReadFilters(MyConf);
}
+}
- void ReadFilters(ConfigReader &MyConf)
+ModResult ModuleFilter::OnStats(char symbol, User* user, string_list &results)
+{
+ if (symbol == 's')
{
- for (int index = 0; index < MyConf.Enumerate("keyword"); index++)
+ std::string sn = ServerInstance->Config->ServerName;
+ for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
{
- 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 = "*";
-
- 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());
- }
+ results.push_back(sn+" 223 "+user->nick+" :"+RegexEngine.GetProvider()+":"+i->freeform+" "+i->flags+" "+i->action+" "+ConvToStr(i->gline_time)+" :"+i->reason);
}
- }
-
- virtual int OnStats(char symbol, User* user, string_list &results)
- {
- if (symbol == 's')
+ for (std::vector<std::string>::iterator i = exemptfromfilter.begin(); i != exemptfromfilter.end(); ++i)
{
- 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+":"+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));
- }
+ results.push_back(sn+" 223 "+user->nick+" :EXEMPT "+(*i));
}
- return 0;
}
-};
+ return MOD_RES_PASSTHRU;
+}
MODULE_INIT(ModuleFilter)