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DNS/Source
< DNS
This source is also available on GitHub.
/* * Copyright (C) 2010 Efreak. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 as published * by the Free Software Foundation. * * If any other changes are made, update the version number to the latest ZNC * version to reflect it, please. This makes things easier to know what * version it works with; If you want to contribute code, let me know via IRC * and I'll ad you as a contributor on GitHub. * -Efreak */ #include "User.h" #include "IRCSock.h" #include "znc.h" #include <stdio.h> #include <netdb.h> #include <sys/types.h> #include <netinet/in.h> #include <arpa/inet.h> using std::map; class CDNSMod : public CGlobalModule { public: GLOBALMODCONSTRUCTOR(CDNSMod) {} virtual ~CDNSMod() {} virtual void OnModCommand(const CString& sLine) { CString sCommand = sLine.Token(0).AsLower(); CString tk2 = sLine.Token(1).AsLower(); /* * DNS Resolution */ if(sCommand=="dns"||sCommand=="resolve") { hostent * record = gethostbyname(tk2.c_str()); if(record == NULL) { PutModule(tk2 + "%s is unavailable."); } else { in_addr * address = (in_addr * )record->h_addr; CString ip_address = CString(inet_ntoa(* address)); PutModule(tk2 + " resolves to: " + ip_address + "."); } } /* * Help command (todo: implement token-based help) */ else if (sCommand == "help") { PutModule("DNS: This module includes a DNS resolver. Usage: dns/resolve hostname Ex: dns localhost"); PutModule(" message. Prefix defaults to 'ZNC Global Message: ', and can be changed by the arguments."); // PutModule("ToDo: allow this module to override znc's dns resolution to deny users access to specific servers (can this be done?") // PutModule("1.0 - initial version"); // PutModule("2.0 - changed around resolve code to fix a crashing error when host doesnt resolve"); PutModule("0.01 - changed version number to a different scheme"); } } protected: private: }; GLOBALMODULEDEFS(CDNSMod, "DNS Resolver. Version 0.01");