* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
+ *
* This program is free but copyrighted software; see
* the file COPYING for details.
*
#include "xline.h"
+enum FilterFlags
+{
+ FLAG_PART = 2,
+ FLAG_QUIT = 4,
+ FLAG_PRIVMSG = 8,
+ FLAG_NOTICE = 16
+};
+
class FilterResult : public classbase
{
public:
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(flags);
+ }
- FilterResult(const std::string free, const std::string &rea, const std::string &act, long gt) : freeform(free), reason(rea), action(act), gline_time(gt)
+ 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()
class FilterBase : public Module
{
cmd_filter* filtcommand;
+ int flags;
public:
FilterBase(InspIRCd* Me, const std::string &source);
virtual ~FilterBase();
virtual void Implements(char* List);
virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
-
- virtual FilterResult* FilterMatch(const std::string &text) = 0;
+ virtual FilterResult* FilterMatch(userrec* 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) = 0;
+ 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(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
- virtual void OnRehash(const std::string ¶meter);
+ virtual void OnRehash(userrec* user, const std::string ¶meter);
virtual Version GetVersion();
std::string EncodeFilter(FilterResult* filter);
FilterResult DecodeFilter(const std::string &data);
- virtual void OnSyncOtherMetaData(Module* proto, void* opaque);
+ 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, userrec* user, string_list &results) = 0;
+ virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line);
+ bool AppliesToMe(userrec* user, FilterResult* filter, int flags);
};
class cmd_filter : public command_t
cmd_filter(FilterBase* f, InspIRCd* Me, const std::string &source) : command_t(Me, "FILTER", 'o', 1), Base(f)
{
this->source = source;
- this->syntax = "<filter-definition> <type> [<gline-duration>] :<reason>";
+ this->syntax = "<filter-definition> <type> <flags> [<gline-duration>] :<reason>";
}
CmdResult Handle(const char** parameters, int pcnt, userrec *user)
else
{
/* Adding a filter */
- if (pcnt >= 3)
+ if (pcnt >= 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"))
+
+ 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', and 'kill'.", user->nick, freeform.c_str());
+ user->WriteServ("NOTICE %s :*** Invalid filter type '%s'. Supported types are 'gline', 'none', 'block', 'silent' and 'kill'.", user->nick, freeform.c_str());
return CMD_FAILURE;
}
if (type == "gline")
{
- if (pcnt >= 4)
+ if (pcnt >= 5)
{
- duration = ServerInstance->Duration(parameters[2]);
- reason = parameters[3];
+ duration = ServerInstance->Duration(parameters[3]);
+ reason = parameters[4];
}
else
{
}
else
{
- reason = parameters[2];
+ reason = parameters[3];
}
- std::pair<bool, std::string> result = Base->AddFilter(freeform, type, reason, duration);
+ 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, reason: '%s'", user->nick, freeform.c_str(),
- type.c_str(), (duration ? " duration: " : ""), (duration ? parameters[2] : ""),
- reason.c_str());
+ user->WriteServ("NOTICE %s :*** Added filter '%s', type '%s'%s%s, flags '%s', reason: '%s'", user->nick, freeform.c_str(),
+ type.c_str(), (duration ? " duration: " : ""), (duration ? parameters[3] : ""),
+ flags.c_str(), reason.c_str());
return CMD_SUCCESS;
}
else
}
};
-FilterBase::FilterBase(InspIRCd* Me, const std::string &source) : Module::Module(Me)
+bool FilterBase::AppliesToMe(userrec* user, FilterResult* filter, int flags)
+{
+ if ((filter->flag_no_opers) && IS_OPER(user))
+ return false;
+ if ((flags & FLAG_PRIVMSG) && (!filter->flag_privmsg))
+ return false;
+ if ((flags & FLAG_NOTICE) && (!filter->flag_notice))
+ return false;
+ if ((flags & FLAG_QUIT) && (!filter->flag_quit_message))
+ return false;
+ if ((flags & FLAG_PART) && (!filter->flag_part_message))
+ return false;
+ return true;
+}
+
+FilterBase::FilterBase(InspIRCd* Me, const std::string &source) : Module(Me)
{
filtcommand = new cmd_filter(this, Me, source);
ServerInstance->AddCommand(filtcommand);
void FilterBase::Implements(char* List)
{
- List[I_OnStats] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
+ List[I_OnPreCommand] = List[I_OnStats] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
}
int FilterBase::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
+ flags = FLAG_PRIVMSG;
return OnUserPreNotice(user,dest,target_type,text,status,exempt_list);
}
int FilterBase::OnUserPreNotice(userrec* 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;
- FilterResult* f = this->FilterMatch(text);
+ FilterResult* f = this->FilterMatch(user, text, flags);
if (f)
{
std::string target = "";
}
if (f->action == "block")
{
- ServerInstance->WriteOpers(std::string("FILTER: ")+user->nick+" had their notice filtered, target was "+target+": "+f->reason);
- user->WriteServ("NOTICE "+std::string(user->nick)+" :Your notice has been filtered and opers notified: "+f->reason);
+ ServerInstance->WriteOpers(std::string("FILTER: ")+user->nick+" had their message filtered, target was "+target+": "+f->reason);
+ user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message has been filtered and opers notified: "+f->reason);
+ }
+ if (f->action == "silent")
+ {
+ user->WriteServ("NOTICE "+std::string(user->nick)+" :Your message has been filtered: "+f->reason);
}
- ServerInstance->Log(DEFAULT,"FILTER: "+std::string(user->nick)+std::string(" had their notice filtered, target was ")+target+": "+f->reason+" Action: "+f->action);
if (f->action == "kill")
{
userrec::QuitUser(ServerInstance,user,"Filtered: "+f->reason);
FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP()));
}
}
+
+ ServerInstance->Log(DEFAULT,"FILTER: "+std::string(user->nick)+std::string(" had their message filtered, target was ")+target+": "+f->reason+" Action: "+f->action);
return 1;
}
return 0;
}
-void FilterBase::OnRehash(const std::string ¶meter)
+int FilterBase::OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
+{
+ flags = 0;
+ if ((validated == 1) && (IS_LOCAL(user)))
+ {
+ std::string checkline;
+ int replacepoint = 0;
+ bool parting = false;
+
+ if (command == "QUIT")
+ {
+ /* QUIT with no reason: nothing to do */
+ if (pcnt < 1)
+ return 0;
+
+ checkline = parameters[0];
+ replacepoint = 0;
+ parting = false;
+ flags = FLAG_QUIT;
+ }
+ else if (command == "PART")
+ {
+ /* PART with no reason: nothing to do */
+ if (pcnt < 2)
+ return 0;
+
+ checkline = parameters[1];
+ replacepoint = 1;
+ parting = true;
+ flags = FLAG_PART;
+ }
+ else
+ /* We're only messing with PART and QUIT */
+ return 0;
+
+ FilterResult* f = NULL;
+
+ if (flags)
+ f = this->FilterMatch(user, checkline, flags);
+
+ if (!f)
+ /* PART or QUIT reason doesnt match a filter */
+ return 0;
+
+ /* We cant block a part or quit, so instead we change the reason to 'Reason filtered' */
+ command_t* c = ServerInstance->Parser->GetHandler(command);
+ if (c)
+ {
+ const char* params[MAXPARAMETERS];
+ for (int item = 0; item < pcnt; item++)
+ params[item] = parameters[item];
+ params[replacepoint] = "Reason filtered";
+
+ /* 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, pcnt, user);
+ return 1;
+ }
+ 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, f->reason.c_str());
+ userrec::QuitUser(ServerInstance, user, "Filtered: " + f->reason);
+ }
+ if (f->action == "gline")
+ {
+ /* Note: We gline *@IP so that if their host doesnt resolve the gline still applies. */
+ std::string wild = "*@";
+ wild.append(user->GetIPString());
+
+ if (ServerInstance->XLines->add_gline(f->gline_time, ServerInstance->Config->ServerName, f->reason.c_str(), wild.c_str()))
+ {
+ ServerInstance->XLines->apply_lines(APPLY_GLINES);
+ FOREACH_MOD(I_OnAddGLine,OnAddGLine(f->gline_time, NULL, f->reason, user->MakeHostIP()));
+ }
+ }
+ return 1;
+ }
+ }
+ return 0;
+ }
+ return 0;
+}
+
+void FilterBase::OnRehash(userrec* user, const std::string ¶meter)
{
}
std::string FilterBase::EncodeFilter(FilterResult* filter)
{
std::ostringstream stream;
- stream << filter->freeform << " " << filter->action << " " << filter->gline_time << " " << filter->reason;
+ 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 FilterBase::DecodeFilter(const std::string &data)
{
FilterResult res;
- std::istringstream stream(data);
- stream >> res.freeform;
- stream >> res.action;
- stream >> res.gline_time;
- res.reason = stream.str();
+ 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 FilterBase::OnSyncOtherMetaData(Module* proto, void* opaque)
+void FilterBase::OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
{
this->SyncFilters(proto, opaque);
}
if ((target_type == TYPE_OTHER) && (extname == "filter"))
{
FilterResult data = DecodeFilter(extdata);
- this->AddFilter(data.freeform, data.action, data.reason, data.gline_time);
+ this->AddFilter(data.freeform, data.action, data.reason, data.gline_time, data.flags);
}
}