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|
/* +------------------------------------+
* | 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 MD5 encrypted oper passwords */
/* $ModDep: transport.h */
#include "inspircd.h"
#include "inspircd_config.h"
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "transport.h"
#include "wildcard.h"
/** Handle /FINGERPRINT
*/
class cmd_fingerprint : public Command
{
public:
cmd_fingerprint (InspIRCd* Instance) : Command(Instance,"FINGERPRINT", 0, 1)
{
this->source = "m_ssl_oper_cert.so";
syntax = "<nickname>";
}
CmdResult Handle (const std::vector<std::string> ¶meters, User *user)
{
User* target = ServerInstance->FindNick(parameters[0]);
if (target)
{
ssl_cert* cert;
if (target->GetExt("ssl_cert",cert))
{
if (cert->GetFingerprint().length())
{
user->WriteServ("NOTICE %s :Certificate fingerprint for %s is %s",user->nick.c_str(),target->nick.c_str(),cert->GetFingerprint().c_str());
return CMD_SUCCESS;
}
else
{
user->WriteServ("NOTICE %s :Certificate fingerprint for %s does not exist!", user->nick.c_str(),target->nick.c_str());
return CMD_FAILURE;
}
}
else
{
user->WriteServ("NOTICE %s :Certificate fingerprint for %s does not exist!", user->nick.c_str(), target->nick.c_str());
return CMD_FAILURE;
}
}
else
{
user->WriteNumeric(401, "%s %s :No such nickname", user->nick.c_str(), parameters[0].c_str());
return CMD_FAILURE;
}
}
};
class ModuleOperSSLCert : public Module
{
ssl_cert* cert;
bool HasCert;
cmd_fingerprint* mycommand;
ConfigReader* cf;
public:
ModuleOperSSLCert(InspIRCd* Me)
: Module(Me)
{
mycommand = new cmd_fingerprint(ServerInstance);
ServerInstance->AddCommand(mycommand);
cf = new ConfigReader(ServerInstance);
Implementation eventlist[] = { I_OnPreCommand, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 2);
}
virtual ~ModuleOperSSLCert()
{
delete cf;
}
virtual void OnRehash(User* user, const std::string ¶meter)
{
delete cf;
cf = new ConfigReader(ServerInstance);
}
bool OneOfMatches(const char* host, const char* ip, const char* hostlist)
{
std::stringstream hl(hostlist);
std::string xhost;
while (hl >> xhost)
{
if (match(host, xhost) || match(ip, xhost, true))
{
return true;
}
}
return false;
}
virtual int OnPreCommand(std::string &command, std::vector<std::string> ¶meters, User *user, bool validated, const std::string &original_line)
{
irc::string cmd = command.c_str();
if ((cmd == "OPER") && (validated))
{
char TheHost[MAXBUF];
char TheIP[MAXBUF];
std::string LoginName;
std::string Password;
std::string OperType;
std::string HostName;
std::string HashType;
std::string FingerPrint;
bool SSLOnly;
char* dummy;
snprintf(TheHost,MAXBUF,"%s@%s",user->ident.c_str(),user->host.c_str());
snprintf(TheIP, MAXBUF,"%s@%s",user->ident.c_str(),user->GetIPString());
HasCert = user->GetExt("ssl_cert",cert);
for (int i = 0; i < cf->Enumerate("oper"); i++)
{
LoginName = cf->ReadValue("oper", "name", i);
Password = cf->ReadValue("oper", "password", i);
OperType = cf->ReadValue("oper", "type", i);
HostName = cf->ReadValue("oper", "host", i);
HashType = cf->ReadValue("oper", "hash", i);
FingerPrint = cf->ReadValue("oper", "fingerprint", i);
SSLOnly = cf->ReadFlag("oper", "sslonly", i);
if (FingerPrint.empty() && !SSLOnly)
continue;
if (LoginName != parameters[0])
continue;
if (!OneOfMatches(TheHost, TheIP, HostName.c_str()))
continue;
if (Password.length() && !ServerInstance->PassCompare(user, Password.c_str(),parameters[1].c_str(), HashType.c_str()))
continue;
if (SSLOnly && !user->GetExt("ssl", dummy))
{
user->WriteNumeric(491, "%s :This oper login name requires an SSL connection.", user->nick.c_str());
return 1;
}
/*
* No cert found or the fingerprint doesn't match
*/
if ((!cert) || (cert->GetFingerprint() != FingerPrint))
{
user->WriteNumeric(491, "%s :This oper login name requires a matching key fingerprint.",user->nick.c_str());
ServerInstance->SNO->WriteToSnoMask('o',"'%s' cannot oper, does not match fingerprint", user->nick.c_str());
ServerInstance->Logs->Log("m_ssl_oper_cert",DEFAULT,"OPER: Failed oper attempt by %s!%s@%s: credentials valid, but wrong fingerprint.", user->nick.c_str(), user->ident.c_str(), user->host.c_str());
return 1;
}
}
}
// Let core handle it for extra stuff
return 0;
}
virtual Version GetVersion()
{
return Version(1,2,0,0,VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleOperSSLCert)
|
