* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
+ * InspIRCd is copyright (C) 2002-2004 ChatSpike-Dev.
* E-mail:
* <brain@chatspike.net>
* <Craig@chatspike.net>
* ---------------------------------------------------
*/
-using namespace std;
-
// Message and notice filtering using regex patterns
// a module based on the original work done by Craig Edwards in 2003
// for the chatspike network.
#include "users.h"
#include "channels.h"
#include "modules.h"
-#include "helperfuncs.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!";
+ }
+};
/* $ModDesc: m_filter with regexps */
-/* $CompileFlags: -I/usr/local/include -L/usr/local/lib -lpcre */
+/* $CompileFlags: -I`pcre-config --prefix`/include */
+/* $LinkerFlags: `pcre-config --libs` `perl extra/pcre_rpath.pl` -lpcre */
class ModuleFilterPCRE : public Module
{
- Server *Srv;
- ConfigReader *Conf, *MyConf;
- std::vector<pcre*> filters;
+ 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;
pcre *re;
const char *error;
int erroffset;
public:
- ModuleFilterPCRE(Server* Me)
- : Module::Module(Me)
+ ModuleFilterPCRE(InspIRCd* Me)
+ : Module::Module(Me), Srv(Me)
{
- // read the configuration file on startup.
- // 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.
- Srv = Me;
- Conf = new ConfigReader;
- std::string filterfile = Conf->ReadValue("filter","file",0);
- MyConf = new ConfigReader(filterfile);
- if ((filterfile == "") || (!MyConf->Verify()))
- {
- printf("Error, could not find <filter file=\"\"> definition in your config file!");
- log(DEFAULT,"Error, could not find <filter file=\"\"> definition in your config file!");
- return;
- }
- Srv->Log(DEFAULT,std::string("m_filter_pcre: read configuration from ")+filterfile);
-
- filters.clear();
- for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
- {
- std::string pattern = MyConf->ReadValue("keyword","pattern",index);
- re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);
- 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());
- }
- else
- {
- filters.push_back(re);
- log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
- }
- }
-
+ OnRehash("");
}
virtual ~ModuleFilterPCRE()
{
- delete MyConf;
- delete Conf;
}
-
+
+ void Implements(char* List)
+ {
+ 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)
+ virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
{
- for (unsigned int index = 0; index < filters.size(); index++)
- {
- if (pcre_exec(filters[index],NULL,text.c_str(),text.length(),0,0,NULL,0) > -1)
- {
- std::string target = "";
- std::string reason = MyConf->ReadValue("keyword","reason",index);
- std::string do_action = MyConf->ReadValue("keyword","action",index);
-
- if (do_action == "")
- do_action = "none";
-
- if (target_type == TYPE_USER)
- {
- userrec* t = (userrec*)dest;
- target = std::string(t->nick);
- }
- else if (target_type == TYPE_CHANNEL)
- {
- chanrec* t = (chanrec*)dest;
- target = std::string(t->name);
- }
- if (do_action == "block")
- {
- Srv->SendOpers(std::string("FilterPCRE: ")+std::string(user->nick)+
- std::string(" had their message filtered, target was ")+
- target+": "+reason);
- // this form of SendTo (with the source as NuLL) sends a server notice
- Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+
- " :Your message has been filtered and opers notified: "+reason);
- }
-
- Srv->Log(DEFAULT,std::string("Filter: ")+std::string(user->nick)+
- std::string(" had their message filtered, target was ")+
- target+": "+reason+" Action: "+do_action);
-
- if (do_action == "kill")
- {
- Srv->QuitUser(user,reason);
- }
- return 1;
- }
- }
- return 0;
+ return OnUserPreNotice(user,dest,target_type,text,status);
}
- virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text)
+ virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
{
for (unsigned int index = 0; index < filters.size(); index++)
{
- if (pcre_exec(filters[index],NULL,text.c_str(),text.length(),0,0,NULL,0) > -1)
+ Filter& filt = filters[index];
+
+ if (pcre_exec(filt.regexp,NULL,text.c_str(),text.length(),0,0,NULL,0) > -1)
{
- std::string target = "";
- std::string reason = MyConf->ReadValue("keyword","reason",index);
- std::string do_action = MyConf->ReadValue("keyword","action",index);
-
- if (do_action == "")
- do_action = "none";
+ const char* target;
+
+ if(filt.action.empty())
+ filt.action = "none";
if (target_type == TYPE_USER)
{
userrec* t = (userrec*)dest;
- target = std::string(t->nick);
+ target = t->nick;
}
else if (target_type == TYPE_CHANNEL)
{
chanrec* t = (chanrec*)dest;
- target = std::string(t->name);
+ target = t->name;
}
- if (do_action == "block")
- {
- Srv->SendOpers(std::string("Filter: ")+std::string(user->nick)+
- std::string(" had their notice filtered, target was ")+
- target+": "+reason);
- Srv->SendTo(NULL,user,"NOTICE "+std::string(user->nick)+
- " :Your notice has been filtered and opers notified: "+reason);
- }
- Srv->Log(DEFAULT,std::string("Filter: ")+std::string(user->nick)+
- std::string(" had their notice filtered, target was ")+
- target+": "+reason+" Action: "+do_action);
-
- if (do_action == "kill")
+ 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")
{
- Srv->QuitUser(user,reason);
+ userrec::QuitUser(Srv, user, filt.reason);
}
+
return 1;
}
}
return 0;
}
- virtual void OnRehash(std::string parameter)
+ virtual void OnRehash(const std::string ¶meter)
{
- // reload our config file on rehash - we must destroy and re-allocate the classes
- // to call the constructor again and re-read our data.
- delete Conf;
- delete MyConf;
- Conf = new ConfigReader;
- std::string filterfile = Conf->ReadValue("filter","file",0);
- // this automatically re-reads the configuration file into the class
- MyConf = new ConfigReader(filterfile);
- if ((filterfile == "") || (!MyConf->Verify()))
+ /* 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())
{
- // bail if the user forgot to create a config file
- printf("Error, could not find <filter file=\"\"> definition in your config file!");
- log(DEFAULT,"Error, could not find <filter file=\"\"> definition in your config file!");
- return;
+ FilterPCREException e;
+ throw(e);
}
- Srv->Log(DEFAULT,std::string("m_filter_pcre: read configuration from ")+filterfile);
-
- filters.clear();
- for (int index = 0; index < MyConf->Enumerate("keyword"); index++)
- {
- std::string pattern = MyConf->ReadValue("keyword","pattern",index);
- re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);
- 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());
- }
- else
- {
- filters.push_back(re);
- log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
- }
- }
+
+ ServerInstance->Log(DEFAULT,"m_filter_pcre: read configuration from "+filterfile);
+ filters.clear();
+
+ 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);
+
+ 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);
+ ServerInstance->Log(DEFAULT,"Regular expression %s not loaded.", pattern.c_str());
+ }
+ else
+ {
+ filters.push_back(Filter(re, reason, action));
+ ServerInstance->Log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());
+ }
+ }
}
virtual Version GetVersion()
{
- // This is version 2 because version 1.x is the unreleased unrealircd module
- return Version(3,0,0,0,VF_VENDOR);
+ /* Version 1.x is the unreleased unrealircd module */
+ return Version(3,2,0,0,VF_VENDOR);
}
};
{
}
- virtual Module * CreateModule(Server* Me)
+ virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleFilterPCRE(Me);
}
{
return new ModuleFilterPCREFactory;
}
-
projects / user / henk / code / inspircd.git / blobdiff