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|
/* +------------------------------------+
* | 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.
*
* ---------------------------------------------------
*/
/* $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,"");
ServerInstance->Modules->UseInterface("HashRequest");
/* 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.");
}
mycommand = new CommandMkpasswd(ServerInstance, this, hashers, names);
ServerInstance->AddCommand(mycommand);
Implementation eventlist[] = { I_OnRehash, I_OnOperCompare };
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 OnOperCompare(const std::string &data, const std::string &input, int tagnumber)
{
/* First, lets see what hash theyre using on this oper */
std::string hashtype = Conf->ReadValue("oper", "hash", tagnumber);
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)
|
