-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include <pcre.h>\r#include "users.h"\r#include "channels.h"\r#include "modules.h"\r#include "m_filter.h"\r\r/* $ModDesc: m_filter with regexps */\r/* $CompileFlags: exec("pcre-config --cflags") */\r/* $LinkerFlags: exec("pcre-config --libs") rpath("pcre-config --libs") -lpcre */\r/* $ModDep: m_filter.h */\r\r#ifdef WINDOWS\r#pragma comment(lib, "pcre.lib")\r#endif\r\rclass PCREFilter : public FilterResult\r{\r public:\r pcre* regexp;\r\r PCREFilter(pcre* r, const std::string &rea, const std::string &act, long gline_time, const std::string &pat, const std::string &flags)\r : FilterResult(pat, rea, act, gline_time, flags), regexp(r)\r {\r }\r\r PCREFilter()\r {\r }\r};\r\rclass ModuleFilterPCRE : public FilterBase\r{\r std::vector<PCREFilter> filters;\r pcre *re;\r const char *error;\r int erroffset;\r PCREFilter fr;\r\r public:\r ModuleFilterPCRE(InspIRCd* Me)\r : FilterBase(Me, "m_filter_pcre.so")\r {\r OnRehash(NULL,"");\r }\r\r virtual ~ModuleFilterPCRE()\r {\r }\r\r virtual FilterResult* FilterMatch(userrec* user, const std::string &text, int flags)\r {\r for (std::vector<PCREFilter>::iterator index = filters.begin(); index != filters.end(); index++)\r {\r /* Skip ones that dont apply to us */\r\r if (!FilterBase::AppliesToMe(user, dynamic_cast<FilterResult*>(&(*index)), flags))\r continue;\r\r if (pcre_exec(index->regexp, NULL, text.c_str(), text.length(), 0, 0, NULL, 0) > -1)\r {\r fr = *index;\r if (index != filters.begin())\r {\r filters.erase(index);\r filters.insert(filters.begin(), fr);\r }\r return &fr;\r }\r }\r return NULL;\r }\r\r virtual bool DeleteFilter(const std::string &freeform)\r {\r for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)\r {\r if (i->freeform == freeform)\r {\r pcre_free((*i).regexp);\r filters.erase(i);\r return true;\r }\r }\r return false;\r }\r\r virtual void SyncFilters(Module* proto, void* opaque)\r {\r for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)\r {\r this->SendFilter(proto, opaque, &(*i));\r }\r }\r\r 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)\r {\r for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)\r {\r if (i->freeform == freeform)\r {\r return std::make_pair(false, "Filter already exists");\r }\r }\r\r re = pcre_compile(freeform.c_str(),0,&error,&erroffset,NULL);\r\r if (!re)\r {\r ServerInstance->Log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", freeform.c_str(), erroffset, error);\r ServerInstance->Log(DEFAULT,"Regular expression %s not loaded.", freeform.c_str());\r return std::make_pair(false, "Error in regular expression at offset " + ConvToStr(erroffset) + ": "+error);\r }\r else\r {\r filters.push_back(PCREFilter(re, reason, type, duration, freeform, flags));\r return std::make_pair(true, "");\r }\r }\r\r virtual void OnRehash(userrec* user, const std::string ¶meter)\r { \r ConfigReader MyConf(ServerInstance);\r\r for (int index = 0; index < MyConf.Enumerate("keyword"); index++)\r {\r this->DeleteFilter(MyConf.ReadValue("keyword", "pattern", index));\r\r std::string pattern = MyConf.ReadValue("keyword", "pattern", index);\r std::string reason = MyConf.ReadValue("keyword", "reason", index);\r std::string action = MyConf.ReadValue("keyword", "action", index);\r std::string flags = MyConf.ReadValue("keyword", "flags", index);\r long gline_time = ServerInstance->Duration(MyConf.ReadValue("keyword", "duration", index));\r if (action.empty())\r action = "none";\r if (flags.empty())\r flags = "*";\r\r re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);\r\r if (!re)\r {\r ServerInstance->Log(DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);\r ServerInstance->Log(DEFAULT,"Regular expression %s not loaded.", pattern.c_str());\r }\r else\r {\r filters.push_back(PCREFilter(re, reason, action, gline_time, pattern, flags));\r ServerInstance->Log(DEFAULT,"Regular expression %s loaded.", pattern.c_str());\r }\r }\r }\r\r virtual int OnStats(char symbol, userrec* user, string_list &results)\r {\r if (symbol == 's')\r {\r std::string sn = ServerInstance->Config->ServerName;\r for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)\r {\r results.push_back(sn+" 223 "+user->nick+" :REGEXP:"+i->freeform+" "+i->flags+" "+i->action+" "+ConvToStr(i->gline_time)+" :"+i->reason);\r }\r }\r return 0;\r }\r};\r\rMODULE_INIT(ModuleFilterPCRE);\r\r
\ No newline at end of file
+/* +------------------------------------+
+ * | Inspire Internet Relay Chat Daemon |
+ * +------------------------------------+
+ *
+ * InspIRCd: (C) 2002-2008 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 "inspircd.h"
+#include <pcre.h>
+#include "users.h"
+#include "channels.h"
+#include "modules.h"
+#include "m_filter.h"
+
+/* $ModDesc: m_filter with regexps */
+/* $CompileFlags: exec("pcre-config --cflags") */
+/* $LinkerFlags: exec("pcre-config --libs") rpath("pcre-config --libs") -lpcre */
+/* $ModDep: m_filter.h */
+
+#ifdef WINDOWS
+#pragma comment(lib, "pcre.lib")
+#endif
+
+class PCREFilter : public FilterResult
+{
+ public:
+ pcre* regexp;
+
+ PCREFilter(pcre* r, const std::string &rea, const std::string &act, long glinetime, const std::string &pat, const std::string &flgs)
+ : FilterResult(pat, rea, act, glinetime, flgs), regexp(r)
+ {
+ }
+
+ PCREFilter()
+ {
+ }
+};
+
+class ModuleFilterPCRE : public FilterBase
+{
+ std::vector<PCREFilter> filters;
+ pcre *re;
+ const char *error;
+ int erroffset;
+ PCREFilter fr;
+
+ public:
+ ModuleFilterPCRE(InspIRCd* Me)
+ : FilterBase(Me, "m_filter_pcre.so")
+ {
+ OnRehash(NULL,"");
+
+ }
+
+ virtual ~ModuleFilterPCRE()
+ {
+ }
+
+ virtual FilterResult* FilterMatch(User* user, const std::string &text, int flgs)
+ {
+ for (std::vector<PCREFilter>::iterator index = filters.begin(); index != filters.end(); index++)
+ {
+ /* Skip ones that dont apply to us */
+
+ if (!FilterBase::AppliesToMe(user, dynamic_cast<FilterResult*>(&(*index)), flgs))
+ continue;
+
+ if (pcre_exec(index->regexp, NULL, text.c_str(), text.length(), 0, 0, NULL, 0) > -1)
+ {
+ fr = *index;
+ if (index != filters.begin())
+ {
+ filters.erase(index);
+ filters.insert(filters.begin(), fr);
+ }
+ return &fr;
+ }
+ }
+ return NULL;
+ }
+
+ 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, const std::string &flgs)
+ {
+ 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->Logs->Log("m_filter_pcre", DEFAULT,"Error in regular expression: %s at offset %d: %s\n", freeform.c_str(), erroffset, error);
+ ServerInstance->Logs->Log("m_filter_pcre", DEFAULT,"Regular expression %s not loaded.", freeform.c_str());
+ return std::make_pair(false, "Error in regular expression at offset " + ConvToStr(erroffset) + ": "+error);
+ }
+ else
+ {
+ filters.push_back(PCREFilter(re, reason, type, duration, freeform, flgs));
+ return std::make_pair(true, "");
+ }
+ }
+
+ virtual void OnRehash(User* user, const std::string ¶meter)
+ {
+ ConfigReader MyConf(ServerInstance);
+
+ for (int index = 0; index < MyConf.Enumerate("keyword"); 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);
+ std::string flgs = MyConf.ReadValue("keyword", "flags", index);
+ long gline_time = ServerInstance->Duration(MyConf.ReadValue("keyword", "duration", index));
+ if (action.empty())
+ action = "none";
+ if (flgs.empty())
+ flgs = "*";
+
+ re = pcre_compile(pattern.c_str(),0,&error,&erroffset,NULL);
+
+ if (!re)
+ {
+ ServerInstance->Logs->Log("CONFIG",DEFAULT,"Error in regular expression: %s at offset %d: %s\n", pattern.c_str(), erroffset, error);
+ ServerInstance->Logs->Log("CONFIG",DEFAULT,"Regular expression %s not loaded.", pattern.c_str());
+ }
+ else
+ {
+ filters.push_back(PCREFilter(re, reason, action, gline_time, pattern, flgs));
+ ServerInstance->Logs->Log("CONFIG",DEFAULT,"Regular expression %s loaded.", pattern.c_str());
+ }
+ }
+ FilterBase::OnRehash(user, parameter);
+ }
+
+ virtual int OnStats(char symbol, User* user, string_list &results)
+ {
+ if (symbol == 's')
+ {
+ std::string sn = ServerInstance->Config->ServerName;
+ for (std::vector<PCREFilter>::iterator i = filters.begin(); i != filters.end(); i++)
+ {
+ results.push_back(sn+" 223 "+user->nick+" :REGEXP:"+i->freeform+" "+i->flags+" "+i->action+" "+ConvToStr(i->gline_time)+" :"+i->reason);
+ }
+ for (std::vector<std::string>::iterator i = exemptfromfilter.begin(); i != exemptfromfilter.end(); ++i)
+ {
+ results.push_back(sn+" 223 "+user->nick+" :EXEMPT "+(*i));
+ }
+ }
+ return 0;
+ }
+};
+
+MODULE_INIT(ModuleFilterPCRE)
+