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/* Copyright (C) 2005 Martin Koegler
* Copyright (C) 2006 OCCAM Financial Technology
*
* This is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <rfb/SSecurityPlain.h>
#include <rfb/SConnection.h>
#include <rfb/Exception.h>
#include <rdr/InStream.h>
using namespace rfb;
StringParameter PasswordValidator::plainUsers
("PlainUsers",
"Users permitted to access via Plain security type (including TLSPlain, X509Plain etc.)",
"");
bool PasswordValidator::validUser(const char* username)
{
CharArray users(strDup(plainUsers.getValueStr())), user;
while (users.buf) {
strSplit(users.buf, ',', &user.buf, &users.buf);
#ifdef WIN32
if(0==stricmp(user.buf, "*"))
return true;
if(0==stricmp(user.buf, username))
return true;
#else
if(!strcmp (user.buf, "*"))
return true;
if(!strcmp (user.buf, username))
return true;
#endif
}
return false;
}
SSecurityPlain::SSecurityPlain(PasswordValidator* _valid)
{
valid=_valid;
state=0;
}
bool SSecurityPlain::processMsg(SConnection* sc)
{
rdr::InStream* is = sc->getInStream();
char* pw;
char *uname;
CharArray password;
if(state==0)
{
if(!is->checkNoWait(8))
return false;
ulen=is->readU32();
plen=is->readU32();
state=1;
}
if(state==1)
{
if(is->checkNoWait(ulen+plen+2))
return false;
state=2;
pw=new char[plen+1];
uname=new char[ulen+1];
username.replaceBuf(uname);
password.replaceBuf(pw);
is->readBytes(uname,ulen);
is->readBytes(pw,plen);
pw[plen]=0;
uname[ulen]=0;
plen=0;
if(!valid->validate(sc,uname,pw))
throw AuthFailureException("invalid password or username");
return true;
}
return true;
}
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