mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-11-27 18:43:45 +01:00
121 lines
2.9 KiB
C++
121 lines
2.9 KiB
C++
/* 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>
|
|
#ifdef HAVE_PAM
|
|
#include <rfb/UnixPasswordValidator.h>
|
|
#endif
|
|
#ifdef BUILD_WIN
|
|
#include <rfb/WinPasswdValidator.h>
|
|
#endif
|
|
|
|
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()
|
|
{
|
|
#ifdef HAVE_PAM
|
|
valid = new UnixPasswordValidator();
|
|
#elif BUILD_WIN
|
|
valid = new WinPasswdValidator();
|
|
#else
|
|
valid = NULL;
|
|
#endif
|
|
|
|
state = 0;
|
|
}
|
|
|
|
bool SSecurityPlain::processMsg(SConnection* sc)
|
|
{
|
|
rdr::InStream* is = sc->getInStream();
|
|
char* pw;
|
|
char *uname;
|
|
CharArray password;
|
|
|
|
if (!valid)
|
|
throw AuthFailureException("No password validator configured");
|
|
|
|
if (state == 0) {
|
|
if (!is->checkNoWait(8))
|
|
return false;
|
|
|
|
ulen = is->readU32();
|
|
if (ulen > MaxSaneUsernameLength)
|
|
throw AuthFailureException("Too long username");
|
|
|
|
plen = is->readU32();
|
|
if (plen > MaxSanePasswordLength)
|
|
throw AuthFailureException("Too long password");
|
|
|
|
state = 1;
|
|
}
|
|
|
|
if (state == 1) {
|
|
if (!is->checkNoWait(ulen + plen))
|
|
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;
|
|
}
|
|
|