#include "users.h"
#include "channels.h"
#include "modules.h"
-#include "helperfuncs.h"
#include "inspircd.h"
+#include "m_filter.h"
-class FilterPCREException : public ModuleException
+/* $ModDesc: m_filter with regexps */
+/* $CompileFlags: `pcre-config --cflags` */
+/* $LinkerFlags: `pcre-config --libs` `perl extra/pcre_rpath.pl` -lpcre */
+/* $ModDep: ../m_filter.h */
+
+class PCREFilter : public FilterResult
{
public:
- virtual const char* GetReason()
- {
- return "Could not find <filter file=\"\"> definition in your config file!";
- }
-};
+ pcre* regexp;
-/* $ModDesc: m_filter with regexps */
-/* $CompileFlags: -I/usr/local/include */
-/* $LinkerFlags: -L/usr/local/lib -lpcre */
+ PCREFilter(pcre* r, const std::string &rea, const std::string &act)
+ : FilterResult::FilterResult(rea, act), regexp(r)
+ {
+ }
+};
-class ModuleFilterPCRE : public Module
+class ModuleFilterPCRE : public FilterBase
{
- class Filter
- {
- public:
- pcre* regexp;
- std::string reason;
- std::string action;
-
- Filter(pcre* r, const std::string &rea, const std::string &act)
- : regexp(r), reason(rea), action(act)
- {
- }
- };
-
- InspIRCd* Srv;
- std::vector<Filter> filters;
+ std::vector<PCREFilter> filters;
pcre *re;
const char *error;
int erroffset;
-
+
public:
ModuleFilterPCRE(InspIRCd* Me)
- : Module::Module(Me), Srv(Me)
+ : FilterBase::FilterBase(Me)
{
OnRehash("");
}
-
- virtual ~ModuleFilterPCRE()
- {
- }
- void Implements(char* List)
+ virtual ~ModuleFilterPCRE()
{
- List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
}
- // format of a config entry is <keyword pattern="^regexp$" 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 = "";
- }
-
- 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)
- {
- /* 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())
- {
- FilterPCREException e;
- throw(e);
- }
-
- log(DEFAULT,"m_filter_pcre: read configuration from "+filterfile);
+ {
+ ConfigReader MyConf(ServerInstance);
+
+ for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ pcre_free((*i).regexp);
filters.clear();
-
+
for (int index = 0; index < MyConf.Enumerate("keyword"); index++)
{
std::string pattern = MyConf.ReadValue("keyword","pattern",index);
if (!re)
{
- log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);
- log(DEFAULT,"Regular expression %s not loaded.", pattern.c_str());
+ ServerInstance->Log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);
+ ServerInstance->Log(DEFAULT,"Regular expression %s not loaded.", pattern.c_str());
}
else
{
- filters.push_back(Filter(re, reason, action));
- log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
+ filters.push_back(PCREFilter(re, reason, action));
+ 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);
- }
-
};
-
-// stuff down here is the module-factory stuff. For basic modules you can ignore this.
+
class ModuleFilterPCREFactory : public ModuleFactory
{