#include "inspircd.h"
#include "xline.h"
#include "modules/regex.h"
-
-class ModuleFilter;
+#include "modules/server.h"
+#include "modules/shun.h"
+#include "modules/stats.h"
+#include "modules/account.h"
enum FilterFlags
{
enum FilterAction
{
FA_GLINE,
+ FA_ZLINE,
+ FA_WARN,
FA_BLOCK,
FA_SILENT,
FA_KILL,
+ FA_SHUN,
FA_NONE
};
class FilterResult
{
public:
+ Regex* regex;
std::string freeform;
std::string reason;
FilterAction action;
- long gline_time;
+ unsigned long duration;
+ bool from_config;
bool flag_no_opers;
bool flag_part_message;
bool flag_privmsg;
bool flag_notice;
bool flag_strip_color;
-
- FilterResult(const std::string& free, const std::string& rea, FilterAction act, long gt, const std::string& fla) :
- freeform(free), reason(rea), action(act), gline_time(gt)
+ bool flag_no_registered;
+
+ FilterResult(dynamic_reference<RegexFactory>& RegexEngine, const std::string& free, const std::string& rea, FilterAction act, unsigned long gt, const std::string& fla, bool cfg)
+ : freeform(free)
+ , reason(rea)
+ , action(act)
+ , duration(gt)
+ , from_config(cfg)
{
+ if (!RegexEngine)
+ throw ModuleException("Regex module implementing '"+RegexEngine.GetProvider()+"' is not loaded!");
+ regex = RegexEngine->Create(free);
this->FillFlags(fla);
}
char FillFlags(const std::string &fl)
{
flag_no_opers = flag_part_message = flag_quit_message = flag_privmsg =
- flag_notice = flag_strip_color = false;
+ flag_notice = flag_strip_color = flag_no_registered = false;
for (std::string::const_iterator n = fl.begin(); n != fl.end(); ++n)
{
case 'c':
flag_strip_color = true;
break;
+ case 'r':
+ flag_no_registered = true;
+ break;
case '*':
flag_no_opers = flag_part_message = flag_quit_message =
flag_privmsg = flag_notice = flag_strip_color = true;
if (flag_notice)
flags.push_back('n');
- /* Order is important here, 'c' must be the last char in the string as it is unsupported
- * on < 2.0.10, and the logic in FillFlags() stops parsing when it ecounters an unknown
- * character.
+ /* Order is important here, as the logic in FillFlags() stops parsing when it encounters
+ * an unknown character. So the following characters must be last in the string.
+ * 'c' is unsupported on < 2.0.10
+ * 'r' is unsupported on < 3.2.0
*/
if (flag_strip_color)
flags.push_back('c');
+ if (flag_no_registered)
+ flags.push_back('r');
if (flags.empty())
flags.push_back('-');
: Command(f, "FILTER", 1, 5)
{
flags_needed = 'o';
- this->syntax = "<filter-definition> <action> <flags> [<gline-duration>] :<reason>";
+ this->syntax = "<pattern> [<action> <flags> [<duration>] :<reason>]";
}
- CmdResult Handle(const std::vector<std::string>&, User*);
+ CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE;
- RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
{
return ROUTE_BROADCAST;
}
};
-class ImplFilter : public FilterResult
+class ModuleFilter
+ : public Module
+ , public ServerProtocol::SyncEventListener
+ , public Stats::EventListener
{
- public:
- Regex* regex;
+ typedef insp::flat_set<std::string, irc::insensitive_swo> ExemptTargetSet;
- ImplFilter(ModuleFilter* mymodule, const std::string &rea, FilterAction act, long glinetime, const std::string &pat, const std::string &flgs);
-};
-
-
-class ModuleFilter : public Module
-{
bool initing;
+ bool notifyuser;
+ bool warnonselfmsg;
RegexFactory* factory;
void FreeFilters();
CommandFilter filtcommand;
dynamic_reference<RegexFactory> RegexEngine;
- std::vector<ImplFilter> filters;
+ std::vector<FilterResult> filters;
int flags;
- std::set<std::string> exemptfromfilter; // List of channel names excluded from filtering.
+ // List of channel names excluded from filtering.
+ ExemptTargetSet exemptedchans;
+
+ // List of target nicknames excluded from filtering.
+ ExemptTargetSet exemptednicks;
ModuleFilter();
- CullResult cull();
- ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE;
+ void init() CXX11_OVERRIDE;
+ CullResult cull() CXX11_OVERRIDE;
+ ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE;
FilterResult* FilterMatch(User* user, const std::string &text, int flags);
- bool DeleteFilter(const std::string &freeform);
- std::pair<bool, std::string> AddFilter(const std::string &freeform, FilterAction type, const std::string &reason, long duration, const std::string &flags);
+ bool DeleteFilter(const std::string& freeform, std::string& reason);
+ std::pair<bool, std::string> AddFilter(const std::string& freeform, FilterAction type, const std::string& reason, unsigned long duration, const std::string& flags, bool config = false);
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE;
Version GetVersion() CXX11_OVERRIDE;
std::string EncodeFilter(FilterResult* filter);
FilterResult DecodeFilter(const std::string &data);
void OnSyncNetwork(ProtocolInterface::Server& server) CXX11_OVERRIDE;
void OnDecodeMetaData(Extensible* target, const std::string &extname, const std::string &extdata) CXX11_OVERRIDE;
- ModResult OnStats(char symbol, User* user, string_list &results) CXX11_OVERRIDE;
- ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line) CXX11_OVERRIDE;
+ ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE;
+ ModResult OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated) CXX11_OVERRIDE;
void OnUnloadModule(Module* mod) CXX11_OVERRIDE;
bool AppliesToMe(User* user, FilterResult* filter, int flags);
void ReadFilters();
static std::string FilterActionToString(FilterAction fa);
};
-CmdResult CommandFilter::Handle(const std::vector<std::string> ¶meters, User *user)
+CmdResult CommandFilter::Handle(User* user, const Params& parameters)
{
if (parameters.size() == 1)
{
/* Deleting a filter */
- Module *me = creator;
- if (static_cast<ModuleFilter *>(me)->DeleteFilter(parameters[0]))
+ Module* me = creator;
+ std::string reason;
+
+ if (static_cast<ModuleFilter*>(me)->DeleteFilter(parameters[0], reason))
{
- user->WriteNotice("*** Removed filter '" + parameters[0] + "'");
- ServerInstance->SNO->WriteToSnoMask(IS_LOCAL(user) ? 'a' : 'A', "FILTER: "+user->nick+" removed filter '"+parameters[0]+"'");
+ user->WriteNotice("*** Removed filter '" + parameters[0] + "': " + reason);
+ ServerInstance->SNO->WriteToSnoMask(IS_LOCAL(user) ? 'f' : 'F', "%s removed filter '%s': %s",
+ user->nick.c_str(), parameters[0].c_str(), reason.c_str());
return CMD_SUCCESS;
}
else
{
- user->WriteNotice("*** Filter '" + parameters[0] + "' not found in list, try /stats s.");
+ user->WriteNotice("*** Filter '" + parameters[0] + "' not found on the list.");
return CMD_FAILURE;
}
}
FilterAction type;
const std::string& flags = parameters[2];
unsigned int reasonindex;
- long duration = 0;
+ unsigned long duration = 0;
if (!ModuleFilter::StringToFilterAction(parameters[1], type))
{
- user->WriteNotice("*** Invalid filter type '" + parameters[1] + "'. Supported types are 'gline', 'none', 'block', 'silent' and 'kill'.");
+ if (ServerInstance->XLines->GetFactory("SHUN"))
+ user->WriteNotice("*** Invalid filter type '" + parameters[1] + "'. Supported types are 'gline', 'zline', 'none', 'warn', 'block', 'silent', 'kill', and 'shun'.");
+ else
+ user->WriteNotice("*** Invalid filter type '" + parameters[1] + "'. Supported types are 'gline', 'zline', 'none', 'warn', 'block', 'silent', and 'kill'.");
return CMD_FAILURE;
}
- if (type == FA_GLINE)
+ if (type == FA_GLINE || type == FA_ZLINE || type == FA_SHUN)
{
if (parameters.size() >= 5)
{
- duration = InspIRCd::Duration(parameters[3]);
+ if (!InspIRCd::Duration(parameters[3], duration))
+ {
+ user->WriteNotice("*** Invalid duration for filter");
+ return CMD_FAILURE;
+ }
reasonindex = 4;
}
else
{
- user->WriteNotice("*** Not enough parameters: When setting a gline type filter, a gline duration must be specified as the third parameter.");
+ user->WriteNotice("*** Not enough parameters: When setting a '" + parameters[1] + "' type filter, a duration must be specified as the third parameter.");
return CMD_FAILURE;
}
}
reasonindex = 3;
}
- Module *me = creator;
- std::pair<bool, std::string> result = static_cast<ModuleFilter *>(me)->AddFilter(freeform, type, parameters[reasonindex], duration, flags);
+ Module* me = creator;
+ std::pair<bool, std::string> result = static_cast<ModuleFilter*>(me)->AddFilter(freeform, type, parameters[reasonindex], duration, flags);
if (result.first)
{
- user->WriteNotice("*** Added filter '" + freeform + "', type '" + parameters[1] + "'" +
- (duration ? ", duration " + parameters[3] : "") + ", flags '" + flags + "', reason: '" +
- parameters[reasonindex] + "'");
+ const std::string message = InspIRCd::Format("'%s', type '%s'%s, flags '%s', reason: %s",
+ freeform.c_str(), parameters[1].c_str(),
+ (duration ? InspIRCd::Format(", duration '%s'",
+ InspIRCd::DurationString(duration).c_str()).c_str()
+ : ""), flags.c_str(), parameters[reasonindex].c_str());
- ServerInstance->SNO->WriteToSnoMask(IS_LOCAL(user) ? 'a' : 'A', "FILTER: "+user->nick+" added filter '"+freeform+"', type '"+parameters[1]+"', "+(duration ? "duration "+parameters[3]+", " : "")+"flags '"+flags+"', reason: "+parameters[reasonindex]);
+ user->WriteNotice("*** Added filter " + message);
+ ServerInstance->SNO->WriteToSnoMask(IS_LOCAL(user) ? 'f' : 'F',
+ "%s added filter %s", user->nick.c_str(), message.c_str());
return CMD_SUCCESS;
}
bool ModuleFilter::AppliesToMe(User* user, FilterResult* filter, int iflags)
{
+ const AccountExtItem* accountext = GetAccountExtItem();
+
if ((filter->flag_no_opers) && user->IsOper())
return false;
+ if ((filter->flag_no_registered) && accountext && accountext->get(user))
+ return false;
if ((iflags & FLAG_PRIVMSG) && (!filter->flag_privmsg))
return false;
if ((iflags & FLAG_NOTICE) && (!filter->flag_notice))
}
ModuleFilter::ModuleFilter()
- : initing(true), filtcommand(this), RegexEngine(this, "regex")
+ : ServerProtocol::SyncEventListener(this)
+ , Stats::EventListener(this)
+ , initing(true)
+ , filtcommand(this)
+ , RegexEngine(this, "regex")
+{
+}
+
+void ModuleFilter::init()
{
+ ServerInstance->SNO->EnableSnomask('f', "FILTER");
}
CullResult ModuleFilter::cull()
void ModuleFilter::FreeFilters()
{
- for (std::vector<ImplFilter>::const_iterator i = filters.begin(); i != filters.end(); ++i)
+ for (std::vector<FilterResult>::const_iterator i = filters.begin(); i != filters.end(); ++i)
delete i->regex;
filters.clear();
}
-ModResult ModuleFilter::OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype)
+ModResult ModuleFilter::OnUserPreMessage(User* user, const MessageTarget& msgtarget, MessageDetails& details)
{
- /* Leave ulines alone */
- if ((ServerInstance->ULine(user->server)) || (!IS_LOCAL(user)))
+ // Leave remote users and servers alone
+ if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
- flags = (msgtype == MSG_PRIVMSG) ? FLAG_PRIVMSG : FLAG_NOTICE;
+ flags = (details.type == MSG_PRIVMSG) ? FLAG_PRIVMSG : FLAG_NOTICE;
- FilterResult* f = this->FilterMatch(user, text, flags);
+ FilterResult* f = this->FilterMatch(user, details.text, flags);
if (f)
{
+ bool is_selfmsg = false;
std::string target;
- if (target_type == TYPE_USER)
+ switch (msgtarget.type)
{
- User* t = (User*)dest;
- target = t->nick;
+ case MessageTarget::TYPE_USER:
+ {
+ User* t = msgtarget.Get<User>();
+ // Check if the target nick is exempted, if yes, ignore this message
+ if (exemptednicks.count(t->nick))
+ return MOD_RES_PASSTHRU;
+
+ if (user == t)
+ is_selfmsg = true;
+
+ target = t->nick;
+ break;
+ }
+ case MessageTarget::TYPE_CHANNEL:
+ {
+ Channel* t = msgtarget.Get<Channel>();
+ if (exemptedchans.count(t->name))
+ return MOD_RES_PASSTHRU;
+
+ target = t->name;
+ break;
+ }
+ case MessageTarget::TYPE_SERVER:
+ break;
}
- else if (target_type == TYPE_CHANNEL)
- {
- Channel* t = (Channel*)dest;
- if (exemptfromfilter.find(t->name) != exemptfromfilter.end())
- return MOD_RES_PASSTHRU;
- target = t->name;
+ if (is_selfmsg && warnonselfmsg)
+ {
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("WARNING: %s's self message matched %s (%s)",
+ user->nick.c_str(), f->freeform.c_str(), f->reason.c_str()));
+ return MOD_RES_PASSTHRU;
+ }
+ else if (f->action == FA_WARN)
+ {
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("WARNING: %s's message to %s matched %s (%s)",
+ user->nick.c_str(), target.c_str(), f->freeform.c_str(), f->reason.c_str()));
+ return MOD_RES_PASSTHRU;
}
- if (f->action == FA_BLOCK)
+ else if (f->action == FA_BLOCK)
{
- ServerInstance->SNO->WriteGlobalSno('a', "FILTER: "+user->nick+" had their message filtered, target was "+target+": "+f->reason);
- if (target_type == TYPE_CHANNEL)
- user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Message to channel blocked and opers notified (%s)", target.c_str(), f->reason.c_str());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s had their message to %s filtered as it matched %s (%s)",
+ user->nick.c_str(), target.c_str(), f->freeform.c_str(), f->reason.c_str()));
+ if (notifyuser)
+ {
+ if (msgtarget.type == MessageTarget::TYPE_CHANNEL)
+ user->WriteNumeric(ERR_CANNOTSENDTOCHAN, target, InspIRCd::Format("Message to channel blocked and opers notified (%s)", f->reason.c_str()));
+ else
+ user->WriteNotice("Your message to "+target+" was blocked and opers notified: "+f->reason);
+ }
else
- user->WriteNotice("Your message to "+target+" was blocked and opers notified: "+f->reason);
+ details.echo_original = true;
}
else if (f->action == FA_SILENT)
{
- if (target_type == TYPE_CHANNEL)
- user->WriteNumeric(ERR_CANNOTSENDTOCHAN, "%s :Message to channel blocked (%s)", target.c_str(), f->reason.c_str());
+ if (notifyuser)
+ {
+ if (msgtarget.type == MessageTarget::TYPE_CHANNEL)
+ user->WriteNumeric(ERR_CANNOTSENDTOCHAN, target, InspIRCd::Format("Message to channel blocked (%s)", f->reason.c_str()));
+ else
+ user->WriteNotice("Your message to "+target+" was blocked: "+f->reason);
+ }
else
- user->WriteNotice("Your message to "+target+" was blocked: "+f->reason);
+ details.echo_original = true;
}
else if (f->action == FA_KILL)
{
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s was killed because their message to %s matched %s (%s)",
+ user->nick.c_str(), target.c_str(), f->freeform.c_str(), f->reason.c_str()));
ServerInstance->Users->QuitUser(user, "Filtered: " + f->reason);
}
+ else if (f->action == FA_SHUN && (ServerInstance->XLines->GetFactory("SHUN")))
+ {
+ Shun* sh = new Shun(ServerInstance->Time(), f->duration, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), user->GetIPString());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s (%s) was shunned for %s (expires on %s) because their message to %s matched %s (%s)",
+ user->nick.c_str(), sh->Displayable().c_str(), InspIRCd::DurationString(f->duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + f->duration).c_str(),
+ target.c_str(), f->freeform.c_str(), f->reason.c_str()));
+ if (ServerInstance->XLines->AddLine(sh, NULL))
+ {
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ delete sh;
+ }
else if (f->action == FA_GLINE)
{
- GLine* gl = new GLine(ServerInstance->Time(), f->gline_time, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), "*", user->GetIPString());
+ GLine* gl = new GLine(ServerInstance->Time(), f->duration, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), "*", user->GetIPString());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s (%s) was G-lined for %s (expires on %s) because their message to %s matched %s (%s)",
+ user->nick.c_str(), gl->Displayable().c_str(), InspIRCd::DurationString(f->duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + f->duration).c_str(),
+ target.c_str(), f->freeform.c_str(), f->reason.c_str()));
if (ServerInstance->XLines->AddLine(gl,NULL))
{
ServerInstance->XLines->ApplyLines();
else
delete gl;
}
+ else if (f->action == FA_ZLINE)
+ {
+ ZLine* zl = new ZLine(ServerInstance->Time(), f->duration, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), user->GetIPString());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s (%s) was Z-lined for %s (expires on %s) because their message to %s matched %s (%s)",
+ user->nick.c_str(), zl->Displayable().c_str(), InspIRCd::DurationString(f->duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + f->duration).c_str(),
+ target.c_str(), f->freeform.c_str(), f->reason.c_str()));
+ if (ServerInstance->XLines->AddLine(zl,NULL))
+ {
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ delete zl;
+ }
ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, user->nick + " had their message filtered, target was " + target + ": " + f->reason + " Action: " + ModuleFilter::FilterActionToString(f->action));
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;
}
-ModResult ModuleFilter::OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
+ModResult ModuleFilter::OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated)
{
- if (validated && IS_LOCAL(user))
+ if (validated)
{
flags = 0;
bool parting;
if (parameters.size() < 2)
return MOD_RES_PASSTHRU;
- if (exemptfromfilter.find(parameters[0]) != exemptfromfilter.end())
+ if (exemptedchans.count(parameters[0]))
return MOD_RES_PASSTHRU;
parting = true;
/* We cant block a part or quit, so instead we change the reason to 'Reason filtered' */
parameters[parting ? 1 : 0] = "Reason filtered";
- /* We're blocking, OR theyre quitting and its a KILL action
+ /* We're warning or blocking, OR theyre quitting and its a KILL action
* (we cant kill someone whos already quitting, so filter them anyway)
*/
- if ((f->action == FA_BLOCK) || (((!parting) && (f->action == FA_KILL))) || (f->action == FA_SILENT))
+ if ((f->action == FA_WARN) || (f->action == FA_BLOCK) || (((!parting) && (f->action == FA_KILL))) || (f->action == FA_SILENT))
{
return MOD_RES_PASSTHRU;
}
}
if (f->action == FA_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());
+ /* Note: We G-line *@IP so that if their host doesn't resolve the G-line still applies. */
+ GLine* gl = new GLine(ServerInstance->Time(), f->duration, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), "*", user->GetIPString());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s (%s) was G-lined for %s (expires on %s) because their %s message matched %s (%s)",
+ user->nick.c_str(), gl->Displayable().c_str(),
+ InspIRCd::DurationString(f->duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + f->duration).c_str(),
+ command.c_str(), f->freeform.c_str(), f->reason.c_str()));
+
if (ServerInstance->XLines->AddLine(gl,NULL))
{
ServerInstance->XLines->ApplyLines();
else
delete gl;
}
+ if (f->action == FA_ZLINE)
+ {
+ ZLine* zl = new ZLine(ServerInstance->Time(), f->duration, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), user->GetIPString());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s (%s) was Z-lined for %s (expires on %s) because their %s message matched %s (%s)",
+ user->nick.c_str(), zl->Displayable().c_str(),
+ InspIRCd::DurationString(f->duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + f->duration).c_str(),
+ command.c_str(), f->freeform.c_str(), f->reason.c_str()));
+
+ if (ServerInstance->XLines->AddLine(zl,NULL))
+ {
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ delete zl;
+ }
+ else if (f->action == FA_SHUN && (ServerInstance->XLines->GetFactory("SHUN")))
+ {
+ /* Note: We shun *!*@IP so that if their host doesnt resolve the shun still applies. */
+ Shun* sh = new Shun(ServerInstance->Time(), f->duration, ServerInstance->Config->ServerName.c_str(), f->reason.c_str(), user->GetIPString());
+ ServerInstance->SNO->WriteGlobalSno('f', InspIRCd::Format("%s (%s) was shunned for %s (expires on %s) because their %s message matched %s (%s)",
+ user->nick.c_str(), sh->Displayable().c_str(),
+ InspIRCd::DurationString(f->duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + f->duration).c_str(),
+ command.c_str(), f->freeform.c_str(), f->reason.c_str()));
+
+ if (ServerInstance->XLines->AddLine(sh, NULL))
+ {
+ ServerInstance->XLines->ApplyLines();
+ }
+ else
+ delete sh;
+ }
return MOD_RES_DENY;
}
}
void ModuleFilter::ReadConfig(ConfigStatus& status)
{
ConfigTagList tags = ServerInstance->Config->ConfTags("exemptfromfilter");
- exemptfromfilter.clear();
+ exemptedchans.clear();
+ exemptednicks.clear();
+
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
- std::string chan = i->second->getString("channel");
- if (!chan.empty())
- exemptfromfilter.insert(chan);
+ ConfigTag* tag = i->second;
+
+ // If "target" is not found, try the old "channel" key to keep compatibility with 2.0 configs
+ const std::string target = tag->getString("target", tag->getString("channel"));
+ if (!target.empty())
+ {
+ if (target[0] == '#')
+ exemptedchans.insert(target);
+ else
+ exemptednicks.insert(target);
+ }
}
- std::string newrxengine = ServerInstance->Config->ConfValue("filteropts")->getString("engine");
+ ConfigTag* tag = ServerInstance->Config->ConfValue("filteropts");
+ std::string newrxengine = tag->getString("engine");
+ notifyuser = tag->getBool("notifyuser", true);
+ warnonselfmsg = tag->getBool("warnonselfmsg");
factory = RegexEngine ? (RegexEngine.operator->()) : NULL;
if (!RegexEngine)
{
if (newrxengine.empty())
- ServerInstance->SNO->WriteGlobalSno('a', "WARNING: No regex engine loaded - Filter functionality disabled until this is corrected.");
+ ServerInstance->SNO->WriteGlobalSno('f', "WARNING: No regex engine loaded - Filter functionality disabled until this is corrected.");
else
- ServerInstance->SNO->WriteGlobalSno('a', "WARNING: Regex engine '%s' is not loaded - Filter functionality disabled until this is corrected.", newrxengine.c_str());
+ ServerInstance->SNO->WriteGlobalSno('f', "WARNING: Regex engine '%s' is not loaded - Filter functionality disabled until this is corrected.", newrxengine.c_str());
initing = false;
FreeFilters();
if ((!initing) && (RegexEngine.operator->() != factory))
{
- ServerInstance->SNO->WriteGlobalSno('a', "Dumping all filters due to regex engine change");
+ ServerInstance->SNO->WriteGlobalSno('f', "Dumping all filters due to regex engine change");
FreeFilters();
}
Version ModuleFilter::GetVersion()
{
- return Version("Text (spam) filtering", VF_VENDOR | VF_COMMON, RegexEngine ? RegexEngine->name : "");
+ return Version("Provides text (spam) filtering", VF_VENDOR | VF_COMMON, RegexEngine ? RegexEngine->name : "");
}
std::string ModuleFilter::EncodeFilter(FilterResult* filter)
if (*n == ' ')
*n = '\7';
- stream << x << " " << FilterActionToString(filter->action) << " " << filter->GetFlags() << " " << filter->gline_time << " :" << filter->reason;
+ stream << x << " " << FilterActionToString(filter->action) << " " << filter->GetFlags() << " " << filter->duration << " :" << filter->reason;
return stream.str();
}
std::string filteraction;
FilterResult res;
irc::tokenstream tokens(data);
- tokens.GetToken(res.freeform);
- tokens.GetToken(filteraction);
+ tokens.GetMiddle(res.freeform);
+ tokens.GetMiddle(filteraction);
if (!StringToFilterAction(filteraction, res.action))
throw ModuleException("Invalid action: " + filteraction);
std::string filterflags;
- tokens.GetToken(filterflags);
+ tokens.GetMiddle(filterflags);
char c = res.FillFlags(filterflags);
if (c != 0)
throw ModuleException("Invalid flag: '" + std::string(1, c) + "'");
- tokens.GetToken(res.gline_time);
- tokens.GetToken(res.reason);
+ std::string duration;
+ tokens.GetMiddle(duration);
+ res.duration = ConvToNum<unsigned long>(duration);
+
+ tokens.GetTrailing(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++)
void ModuleFilter::OnSyncNetwork(ProtocolInterface::Server& server)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); ++i)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); ++i)
{
- server.SendMetaData("filter", EncodeFilter(&(*i)));
+ FilterResult& filter = *i;
+ if (filter.from_config)
+ continue;
+
+ server.SendMetaData("filter", EncodeFilter(&filter));
}
}
try
{
FilterResult data = DecodeFilter(extdata);
- this->AddFilter(data.freeform, data.action, data.reason, data.gline_time, data.GetFlags());
+ this->AddFilter(data.freeform, data.action, data.reason, data.duration, data.GetFlags());
}
catch (ModuleException& e)
{
}
}
-ImplFilter::ImplFilter(ModuleFilter* mymodule, const std::string &rea, FilterAction 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);
-}
-
FilterResult* ModuleFilter::FilterMatch(User* user, const std::string &text, int flgs)
{
static std::string stripped_text;
stripped_text.clear();
- for (std::vector<ImplFilter>::iterator index = filters.begin(); index != filters.end(); index++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); ++i)
{
- FilterResult* filter = dynamic_cast<FilterResult*>(&(*index));
+ FilterResult* filter = &*i;
/* Skip ones that dont apply to us */
if (!AppliesToMe(user, filter, flgs))
InspIRCd::StripColor(stripped_text);
}
- if (index->regex->Matches(filter->flag_strip_color ? stripped_text : text))
- return &*index;
+ if (filter->regex->Matches(filter->flag_strip_color ? stripped_text : text))
+ return filter;
}
return NULL;
}
-bool ModuleFilter::DeleteFilter(const std::string &freeform)
+bool ModuleFilter::DeleteFilter(const std::string& freeform, std::string& reason)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); i++)
{
if (i->freeform == freeform)
{
+ reason.assign(i->reason);
delete i->regex;
filters.erase(i);
return true;
return false;
}
-std::pair<bool, std::string> ModuleFilter::AddFilter(const std::string &freeform, FilterAction type, const std::string &reason, long duration, const std::string &flgs)
+std::pair<bool, std::string> ModuleFilter::AddFilter(const std::string& freeform, FilterAction type, const std::string& reason, unsigned long duration, const std::string& flgs, bool config)
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); i++)
{
if (i->freeform == freeform)
{
try
{
- filters.push_back(ImplFilter(this, reason, type, duration, freeform, flgs));
+ filters.push_back(FilterResult(RegexEngine, freeform, reason, type, duration, flgs, config));
}
catch (ModuleException &e)
{
bool ModuleFilter::StringToFilterAction(const std::string& str, FilterAction& fa)
{
- irc::string s(str.c_str());
-
- if (s == "gline")
+ if (stdalgo::string::equalsci(str, "gline"))
fa = FA_GLINE;
- else if (s == "block")
+ else if (stdalgo::string::equalsci(str, "zline"))
+ fa = FA_ZLINE;
+ else if (stdalgo::string::equalsci(str, "warn"))
+ fa = FA_WARN;
+ else if (stdalgo::string::equalsci(str, "block"))
fa = FA_BLOCK;
- else if (s == "silent")
+ else if (stdalgo::string::equalsci(str, "silent"))
fa = FA_SILENT;
- else if (s == "kill")
+ else if (stdalgo::string::equalsci(str, "kill"))
fa = FA_KILL;
- else if (s == "none")
+ else if (stdalgo::string::equalsci(str, "shun") && (ServerInstance->XLines->GetFactory("SHUN")))
+ fa = FA_SHUN;
+ else if (stdalgo::string::equalsci(str, "none"))
fa = FA_NONE;
else
return false;
switch (fa)
{
case FA_GLINE: return "gline";
+ case FA_ZLINE: return "zline";
+ case FA_WARN: return "warn";
case FA_BLOCK: return "block";
case FA_SILENT: return "silent";
case FA_KILL: return "kill";
+ case FA_SHUN: return "shun";
default: return "none";
}
}
void ModuleFilter::ReadFilters()
{
+ insp::flat_set<std::string> removedfilters;
+
+ for (std::vector<FilterResult>::iterator filter = filters.begin(); filter != filters.end(); )
+ {
+ if (filter->from_config)
+ {
+ removedfilters.insert(filter->freeform);
+ delete filter->regex;
+ filter = filters.erase(filter);
+ continue;
+ }
+
+ // The filter is not from the config.
+ filter++;
+ }
+
ConfigTagList tags = ServerInstance->Config->ConfTags("keyword");
for (ConfigIter i = tags.first; i != tags.second; ++i)
{
std::string pattern = i->second->getString("pattern");
- this->DeleteFilter(pattern);
-
std::string reason = i->second->getString("reason");
std::string action = i->second->getString("action");
std::string flgs = i->second->getString("flags");
- unsigned long gline_time = i->second->getDuration("duration", 10*60, 1);
+ unsigned long duration = i->second->getDuration("duration", 10*60, 1);
if (flgs.empty())
flgs = "*";
if (!StringToFilterAction(action, fa))
fa = FA_NONE;
- try
- {
- filters.push_back(ImplFilter(this, reason, fa, gline_time, pattern, flgs));
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Regular expression %s loaded.", pattern.c_str());
- }
- catch (ModuleException &e)
- {
- ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Error in regular expression '%s': %s", pattern.c_str(), e.GetReason().c_str());
- }
+ std::pair<bool, std::string> result = static_cast<ModuleFilter*>(this)->AddFilter(pattern, fa, reason, duration, flgs, true);
+ if (result.first)
+ removedfilters.erase(pattern);
+ else
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Filter '%s' could not be added: %s", pattern.c_str(), result.second.c_str());
+ }
+
+ if (!removedfilters.empty())
+ {
+ for (insp::flat_set<std::string>::const_iterator it = removedfilters.begin(); it != removedfilters.end(); ++it)
+ ServerInstance->SNO->WriteGlobalSno('f', "Removing filter '" + *(it) + "' due to config rehash.");
}
}
-ModResult ModuleFilter::OnStats(char symbol, User* user, string_list &results)
+ModResult ModuleFilter::OnStats(Stats::Context& stats)
{
- if (symbol == 's')
+ if (stats.GetSymbol() == 's')
{
- for (std::vector<ImplFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ for (std::vector<FilterResult>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ stats.AddRow(223, RegexEngine.GetProvider()+":"+i->freeform+" "+i->GetFlags()+" "+FilterActionToString(i->action)+" "+ConvToStr(i->duration)+" :"+i->reason);
+ }
+ for (ExemptTargetSet::const_iterator i = exemptedchans.begin(); i != exemptedchans.end(); ++i)
{
- results.push_back(ServerInstance->Config->ServerName+" 223 "+user->nick+" :"+RegexEngine.GetProvider()+":"+i->freeform+" "+i->GetFlags()+" "+FilterActionToString(i->action)+" "+ConvToStr(i->gline_time)+" :"+i->reason);
+ stats.AddRow(223, "EXEMPT "+(*i));
}
- for (std::set<std::string>::iterator i = exemptfromfilter.begin(); i != exemptfromfilter.end(); ++i)
+ for (ExemptTargetSet::const_iterator i = exemptednicks.begin(); i != exemptednicks.end(); ++i)
{
- results.push_back(ServerInstance->Config->ServerName+" 223 "+user->nick+" :EXEMPT "+(*i));
+ stats.AddRow(223, "EXEMPT "+(*i));
}
}
return MOD_RES_PASSTHRU;