diff options
Diffstat (limited to 'src/modules/m_password_hash.cpp')
| -rw-r--r-- | src/modules/m_password_hash.cpp | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/modules/m_password_hash.cpp b/src/modules/m_password_hash.cpp new file mode 100644 index 000000000..45f986be8 --- /dev/null +++ b/src/modules/m_password_hash.cpp @@ -0,0 +1,157 @@ +/* +------------------------------------+ + * | 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. + * + * --------------------------------------------------- + */ + +/* $ModDesc: Allows for hashed oper passwords */ +/* $ModDep: m_hash.h */ + +#include "inspircd.h" +#include "m_hash.h" + +typedef std::map<irc::string, Module*> hashymodules; + +/* Handle /MKPASSWD + */ +class CommandMkpasswd : public Command +{ + Module* Sender; + hashymodules &hashers; + std::deque<std::string> &names; + public: + CommandMkpasswd (InspIRCd* Instance, Module* S, hashymodules &h, std::deque<std::string> &n) + : Command(Instance,"MKPASSWD", 'o', 2), Sender(S), hashers(h), names(n) + { + this->source = "m_oper_hash.so"; + syntax = "<hashtype> <any-text>"; + } + + void MakeHash(User* user, const char* algo, const char* stuff) + { + /* Lets see if they gave us an algorithm which has been implemented */ + hashymodules::iterator x = hashers.find(algo); + if (x != hashers.end()) + { + /* Yup, reset it first (Always ALWAYS do this) */ + HashResetRequest(Sender, x->second).Send(); + /* Now attempt to generate a hash */ + user->WriteServ("NOTICE %s :%s hashed password for %s is %s",user->nick, algo, stuff, HashSumRequest(Sender, x->second, stuff).Send() ); + } + else + { + /* I dont do flying, bob. */ + user->WriteServ("NOTICE %s :Unknown hash type, valid hash types are: %s", user->nick, irc::stringjoiner(", ", names, 0, names.size() - 1).GetJoined().c_str() ); + } + } + + CmdResult Handle (const char** parameters, int pcnt, User *user) + { + MakeHash(user, parameters[0], parameters[1]); + /* NOTE: Don't propagate this across the network! + * We dont want plaintext passes going all over the place... + * To make sure it goes nowhere, return CMD_FAILURE! + */ + return CMD_FAILURE; + } +}; + +class ModuleOperHash : public Module +{ + + CommandMkpasswd* mycommand; + ConfigReader* Conf; + hashymodules hashers; /* List of modules which implement HashRequest */ + std::deque<std::string> names; /* Module names which implement HashRequest */ + + public: + + ModuleOperHash(InspIRCd* Me) + : Module(Me) + { + + /* Read the config file first */ + Conf = NULL; + OnRehash(NULL,""); + + /* Find all modules which implement the interface 'HashRequest' */ + modulelist* ml = ServerInstance->Modules->FindInterface("HashRequest"); + + /* Did we find any modules? */ + if (ml) + { + /* Yes, enumerate them all to find out the hashing algorithm name */ + for (modulelist::iterator m = ml->begin(); m != ml->end(); m++) + { + /* Make a request to it for its name, its implementing + * HashRequest so we know its safe to do this + */ + std::string name = HashNameRequest(this, *m).Send(); + /* Build a map of them */ + hashers[name.c_str()] = *m; + names.push_back(name); + } + } + else + { + throw ModuleException("I can't find any modules loaded which implement the HashRequest interface! You probably forgot to load a hashing module such as m_md5.so or m_sha256.so."); + } + + ServerInstance->Modules->UseInterface("HashRequest"); + + mycommand = new CommandMkpasswd(ServerInstance, this, hashers, names); + ServerInstance->AddCommand(mycommand); + Implementation eventlist[] = { I_OnRehash, I_OnPassCompare }; + ServerInstance->Modules->Attach(eventlist, this, 2); + } + + virtual ~ModuleOperHash() + { + ServerInstance->Modules->DoneWithInterface("HashRequest"); + } + + + virtual void OnRehash(User* user, const std::string ¶meter) + { + /* Re-read configuration file */ + if (Conf) + delete Conf; + + Conf = new ConfigReader(ServerInstance); + } + + virtual int OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype) + { + /* First, lets see what hash theyre using on this oper */ + hashymodules::iterator x = hashers.find(hashtype.c_str()); + + /* Is this a valid hash name? (case insensitive) */ + if (x != hashers.end()) + { + /* Reset the hashing module */ + HashResetRequest(this, x->second).Send(); + /* Compare the hash in the config to the generated hash */ + if (!strcasecmp(data.c_str(), HashSumRequest(this, x->second, input.c_str()).Send())) + return 1; + /* No match, and must be hashed, forbid */ + else return -1; + } + + /* Not a hash, fall through to strcmp in core */ + return 0; + } + + virtual Version GetVersion() + { + return Version(1,1,0,1,VF_VENDOR,API_VERSION); + } +}; + +MODULE_INIT(ModuleOperHash) |