#include "channels.h"
#include "modules.h"
#include "inspircd.h"
-
-/** Thrown by m_filter_pcre
- */
-class FilterPCREException : public ModuleException
-{
- public:
- virtual const char* GetReason()
- {
- return "Could not find <filter file=\"\"> definition in your config file!";
- }
-};
+#include "m_filter.h"
/* $ModDesc: m_filter with regexps */
/* $CompileFlags: `pcre-config --cflags` */
/* $LinkerFlags: `pcre-config --libs` `perl extra/pcre_rpath.pl` -lpcre */
+/* $ModDep: m_filter.h */
-class ModuleFilterPCRE : public Module
+class PCREFilter : public FilterResult
{
- class Filter
- {
- public:
- pcre* regexp;
- std::string reason;
- std::string action;
-
- Filter(pcre* r, const std::string &rea, const std::string &act)
- : regexp(r), reason(rea), action(act)
- {
- }
- };
-
- InspIRCd* Srv;
- std::vector<Filter> filters;
+ public:
+ pcre* regexp;
+
+ PCREFilter(pcre* r, const std::string &rea, const std::string &act, long gline_time, const std::string &pat)
+ : FilterResult::FilterResult(pat, rea, act, gline_time), regexp(r)
+ {
+ }
+};
+
+class ModuleFilterPCRE : public FilterBase
+{
+ std::vector<PCREFilter> filters;
pcre *re;
const char *error;
int erroffset;
-
+
public:
ModuleFilterPCRE(InspIRCd* Me)
- : Module::Module(Me), Srv(Me)
+ : FilterBase::FilterBase(Me, "m_filter_pcre.so")
{
OnRehash("");
}
-
- virtual ~ModuleFilterPCRE()
- {
- }
- void Implements(char* List)
+ virtual ~ModuleFilterPCRE()
{
- List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
}
- // format of a config entry is <keyword pattern="^regexp$" reason="Some reason here" action="kill/block">
-
- virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
- {
- return OnUserPreNotice(user,dest,target_type,text,status);
- }
-
- virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
+ virtual FilterResult* FilterMatch(const std::string &text)
{
for (unsigned int index = 0; index < filters.size(); index++)
{
- Filter& filt = filters[index];
+ PCREFilter& filt = filters[index];
if (pcre_exec(filt.regexp,NULL,text.c_str(),text.length(),0,0,NULL,0) > -1)
{
- const char* target;
-
- if(filt.action.empty())
- filt.action = "none";
-
- if (target_type == TYPE_USER)
- {
- userrec* t = (userrec*)dest;
- target = t->nick;
- }
- else if (target_type == TYPE_CHANNEL)
- {
- chanrec* t = (chanrec*)dest;
- target = t->name;
- }
- else
- {
- target = "";
- }
-
- ServerInstance->Log(DEFAULT, "Filter: %s had their notice filtered, target was %s: %s Action: %s", user->nick, target, filt.reason.c_str(), filt.action.c_str());
-
- if (filt.action == "block")
- {
- Srv->WriteOpers("Filter: %s had their notice filtered, target was %s: %s", user->nick, target, filt.reason.c_str());
- user->WriteServ("NOTICE "+std::string(user->nick)+" :Your notice has been filtered and opers notified: "+filt.reason);
- }
- else if (filt.action == "kill")
- {
- userrec::QuitUser(Srv, user, filt.reason);
- }
-
- return 1;
+ return &filt;
}
}
- return 0;
+ return NULL;
}
-
- virtual void OnRehash(const std::string ¶meter)
+
+ virtual bool DeleteFilter(const std::string &freeform)
+ {
+ for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ if (i->freeform == freeform)
+ {
+ pcre_free((*i).regexp);
+ filters.erase(i);
+ return true;
+ }
+ }
+ return false;
+ }
+
+ virtual void SyncFilters(Module* proto, void* opaque)
+ {
+ for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ this->SendFilter(proto, opaque, &(*i));
+ }
+ }
+
+ virtual std::pair<bool, std::string> AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration)
{
- /* Read the configuration file on startup and rehash.
- * It is perfectly valid to set <filter file> to the value of the
- * main config file, then append your <keyword> tags to the bottom
- * of the main config... but rather messy. That's why the capability
- * of using a seperate config file is provided.
- */
-
- ConfigReader Conf(Srv);
-
- std::string filterfile = Conf.ReadValue("filter", "file", 0);
-
- ConfigReader MyConf(Srv, filterfile);
-
- if (filterfile.empty() || !MyConf.Verify())
+ for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ if (i->freeform == freeform)
+ {
+ return std::make_pair(false, "Filter already exists");
+ }
+ }
+
+ re = pcre_compile(freeform.c_str(),0,&error,&erroffset,NULL);
+
+ if (!re)
+ {
+ ServerInstance->Log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", freeform.c_str(), erroffset, error);
+ ServerInstance->Log(DEFAULT,"Regular expression %s not loaded.", freeform.c_str());
+ return std::make_pair(false, "Error in regular expression at offset " + ConvToStr(erroffset) + ": "+error);
+ }
+ else
{
- FilterPCREException e;
- throw(e);
+ filters.push_back(PCREFilter(re, reason, type, duration, freeform));
+ return std::make_pair(true, "");
}
-
- ServerInstance->Log(DEFAULT,"m_filter_pcre: read configuration from "+filterfile);
-
- for (std::vector<Filter>::iterator i = filters.begin(); i != filters.end(); i++)
- pcre_free((*i).regexp);
-
- filters.clear();
-
+ }
+
+ virtual void OnRehash(const std::string ¶meter)
+ {
+ ConfigReader MyConf(ServerInstance);
+
for (int index = 0; index < MyConf.Enumerate("keyword"); 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);
-
+ 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);
+ long gline_time = ServerInstance->Duration(MyConf.ReadValue("keyword", "duration", index).c_str());
+
re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);
-
+
if (!re)
{
ServerInstance->Log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);
}
else
{
- filters.push_back(Filter(re, reason, action));
+ filters.push_back(PCREFilter(re, reason, action, gline_time, pattern));
ServerInstance->Log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
}
}
}
-
- virtual Version GetVersion()
- {
- /* Version 1.x is the unreleased unrealircd module */
- return Version(3,2,0,0,VF_VENDOR,API_VERSION);
- }
-
};
-
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
+
class ModuleFilterPCREFactory : public ModuleFactory
{
projects / user / henk / code / inspircd.git / blobdiff