X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fmodules%2Fextra%2Fm_filter_pcre.cpp;h=43a767a1ccbe2e1e398c5f58c9cf12e2e96e79cb;hb=2b68243097f98ace4a53b21520718874b0ed7db5;hp=0c6c05c8ced460ebc2a2d785c8aeb32f3e5a30c0;hpb=bab14f0dd2345c9d7dcbc47c918563709e1ac094;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/modules/extra/m_filter_pcre.cpp b/src/modules/extra/m_filter_pcre.cpp index 0c6c05c8c..43a767a1c 100644 --- a/src/modules/extra/m_filter_pcre.cpp +++ b/src/modules/extra/m_filter_pcre.cpp @@ -1 +1,182 @@ -/* +------------------------------------+ * | Inspire Internet Relay Chat Daemon | * +------------------------------------+ * * 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 "inspircd.h" #include #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 gline_time, const std::string &pat, const std::string &flags) : FilterResult(pat, rea, act, gline_time, flags), regexp(r) { } PCREFilter() { } }; class ModuleFilterPCRE : public FilterBase { std::vector 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(userrec* user, const std::string &text, int flags) { for (std::vector::iterator index = filters.begin(); index != filters.end(); index++) { /* Skip ones that dont apply to us */ if (!FilterBase::AppliesToMe(user, dynamic_cast(&(*index)), flags)) 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::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::iterator i = filters.begin(); i != filters.end(); i++) { this->SendFilter(proto, opaque, &(*i)); } } virtual std::pair AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flags) { for (std::vector::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 { filters.push_back(PCREFilter(re, reason, type, duration, freeform, flags)); return std::make_pair(true, ""); } } virtual void OnRehash(userrec* 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 flags = MyConf.ReadValue("keyword", "flags", index); long gline_time = ServerInstance->Duration(MyConf.ReadValue("keyword", "duration", index)); if (action.empty()) action = "none"; if (flags.empty()) flags = "*"; 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(PCREFilter(re, reason, action, gline_time, pattern, flags)); ServerInstance->Log(DEFAULT,"Regular expression %s loaded.", pattern.c_str()); } } } virtual int OnStats(char symbol, userrec* user, string_list &results) { if (symbol == 's') { std::string sn = ServerInstance->Config->ServerName; for (std::vector::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); } } return 0; } }; MODULE_INIT(ModuleFilterPCRE); \ No newline at end of file +/* +------------------------------------+ + * | Inspire Internet Relay Chat Daemon | + * +------------------------------------+ + * + * 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 "inspircd.h" +#include +#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 gline_time, const std::string &pat, const std::string &flags) + : FilterResult(pat, rea, act, gline_time, flags), regexp(r) + { + } + + PCREFilter() + { + } +}; + +class ModuleFilterPCRE : public FilterBase +{ + std::vector 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 flags) + { + for (std::vector::iterator index = filters.begin(); index != filters.end(); index++) + { + /* Skip ones that dont apply to us */ + + if (!FilterBase::AppliesToMe(user, dynamic_cast(&(*index)), flags)) + 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::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::iterator i = filters.begin(); i != filters.end(); i++) + { + this->SendFilter(proto, opaque, &(*i)); + } + } + + virtual std::pair AddFilter(const std::string &freeform, const std::string &type, const std::string &reason, long duration, const std::string &flags) + { + for (std::vector::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 + { + filters.push_back(PCREFilter(re, reason, type, duration, freeform, flags)); + 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 flags = MyConf.ReadValue("keyword", "flags", index); + long gline_time = ServerInstance->Duration(MyConf.ReadValue("keyword", "duration", index)); + if (action.empty()) + action = "none"; + if (flags.empty()) + flags = "*"; + + 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(PCREFilter(re, reason, action, gline_time, pattern, flags)); + ServerInstance->Log(DEFAULT,"Regular expression %s loaded.", pattern.c_str()); + } + } + } + + virtual int OnStats(char symbol, User* user, string_list &results) + { + if (symbol == 's') + { + std::string sn = ServerInstance->Config->ServerName; + for (std::vector::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); + } + } + return 0; + } +}; + +MODULE_INIT(ModuleFilterPCRE); +