You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
286 lines
8.0 KiB
286 lines
8.0 KiB
/* This file is part of the KDE libraries
|
|
Copyright (C) 2001-2002 Michael Häckel <haeckel@kde.org>
|
|
$Id$
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Library General Public
|
|
License version 2 as published by the Free Software Foundation.
|
|
|
|
This library 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public License
|
|
along with this library; see the file COPYING.LIB. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#include "kdesasl.h"
|
|
|
|
#include <kmdcodec.h>
|
|
#include <kurl.h>
|
|
|
|
#include <tqstrlist.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
KDESasl::KDESasl(const KURL &aUrl)
|
|
{
|
|
mProtocol = aUrl.protocol();
|
|
mUser = aUrl.user();
|
|
mPass = aUrl.pass();
|
|
mFirst = true;
|
|
}
|
|
|
|
KDESasl::KDESasl(const TQString &aUser, const TQString &aPass,
|
|
const TQString &aProtocol)
|
|
{
|
|
mProtocol = aProtocol;
|
|
mUser = aUser;
|
|
mPass = aPass;
|
|
mFirst = true;
|
|
}
|
|
|
|
KDESasl::~KDESasl() {
|
|
}
|
|
|
|
TQCString KDESasl::chooseMethod(const TQStrIList aMethods)
|
|
{
|
|
if (aMethods.contains("DIGEST-MD5")) mMethod = "DIGEST-MD5";
|
|
else if (aMethods.contains("CRAM-MD5")) mMethod = "CRAM-MD5";
|
|
else if (aMethods.contains("PLAIN")) mMethod = "PLAIN";
|
|
else if (aMethods.contains("LOGIN")) mMethod = "LOGIN";
|
|
else mMethod = TQCString();
|
|
return mMethod;
|
|
}
|
|
|
|
void KDESasl::setMethod(const TQCString &aMethod)
|
|
{
|
|
mMethod = aMethod.upper();
|
|
}
|
|
|
|
TQByteArray KDESasl::getPlainResponse()
|
|
{
|
|
TQCString user = mUser.utf8();
|
|
TQCString pass = mPass.utf8();
|
|
int userlen = user.length();
|
|
int passlen = pass.length();
|
|
// result = $user\0$user\0$pass (no trailing \0)
|
|
TQByteArray result(2 * userlen + passlen + 2);
|
|
if ( userlen ) {
|
|
memcpy( result.data(), user.data(), userlen );
|
|
memcpy( result.data() + userlen + 1, user.data(), userlen );
|
|
}
|
|
if ( passlen )
|
|
memcpy( result.data() + 2 * userlen + 2, pass.data(), passlen );
|
|
result[userlen] = result[2*userlen+1] = '\0';
|
|
return result;
|
|
}
|
|
|
|
TQByteArray KDESasl::getLoginResponse()
|
|
{
|
|
TQByteArray result = (mFirst) ? mUser.utf8() : mPass.utf8();
|
|
mFirst = !mFirst;
|
|
if (result.size()) result.resize(result.size() - 1);
|
|
return result;
|
|
}
|
|
|
|
TQByteArray KDESasl::getCramMd5Response(const TQByteArray &aChallenge)
|
|
{
|
|
uint i;
|
|
TQByteArray secret = mPass.utf8();
|
|
int len = mPass.utf8().length();
|
|
secret.resize(len);
|
|
if (secret.size() > 64)
|
|
{
|
|
KMD5 md5(secret);
|
|
secret.duplicate((const char*)(&(md5.rawDigest()[0])), 16);
|
|
len = 16;
|
|
}
|
|
secret.resize(64);
|
|
for (i = len; i < 64; i++) secret[i] = 0;
|
|
TQByteArray XorOpad(64);
|
|
for (i = 0; i < 64; i++) XorOpad[i] = secret[i] ^ 0x5C;
|
|
TQByteArray XorIpad(64);
|
|
for (i = 0; i < 64; i++) XorIpad[i] = secret[i] ^ 0x36;
|
|
KMD5 md5;
|
|
md5.update(XorIpad);
|
|
md5.update(aChallenge);
|
|
KMD5 md5a;
|
|
md5a.update(XorOpad);
|
|
md5a.update(md5.rawDigest(), 16);
|
|
TQByteArray result = mUser.utf8();
|
|
len = mUser.utf8().length();
|
|
result.resize(len + 33);
|
|
result[len] = ' ';
|
|
TQCString ch = md5a.hexDigest();
|
|
for (i = 0; i < 32; i++) result[i+len+1] = *(ch.data() + i);
|
|
return result;
|
|
}
|
|
|
|
TQByteArray KDESasl::getDigestMd5Response(const TQByteArray &aChallenge)
|
|
{
|
|
mFirst = !mFirst;
|
|
if (mFirst) return TQByteArray();
|
|
TQCString str, realm, nonce, qop, algorithm, charset;
|
|
TQCString nc = "00000001";
|
|
unsigned int a, b, c, d;
|
|
a = 0;
|
|
while (a < aChallenge.size())
|
|
{
|
|
b = a;
|
|
while (b < aChallenge.size() && aChallenge[b] != '=') b++;
|
|
c = b + 1;
|
|
if (aChallenge[c] == '"')
|
|
{
|
|
d = c + 1;
|
|
while (d < aChallenge.size() && aChallenge[d] != '"') d++;
|
|
c++;
|
|
} else {
|
|
d = c;
|
|
while (d < aChallenge.size() && aChallenge[d] != ',') d++;
|
|
}
|
|
str = TQCString(aChallenge.data() + c, d - c + 1);
|
|
if (qstrnicmp(aChallenge.data() + a, "realm=", 6) == 0) realm = str;
|
|
else if (qstrnicmp(aChallenge.data() + a, "nonce=", 6) == 0) nonce = str;
|
|
else if (qstrnicmp(aChallenge.data() + a, "qop=", 4) == 0) qop = str;
|
|
else if (qstrnicmp(aChallenge.data() + a, "algorithm=", 10) == 0)
|
|
algorithm = str;
|
|
else if (qstrnicmp(aChallenge.data() + a, "charset=", 8) == 0)
|
|
charset = str;
|
|
a = (d < aChallenge.size() && aChallenge[d] == '"') ? d + 2 : d + 1;
|
|
}
|
|
if (qop.isEmpty()) qop = "auth";
|
|
qop = "auth";
|
|
bool utf8 = qstricmp(charset, "utf-8") == 0;
|
|
TQCString digestUri = TQCString(mProtocol.latin1()) + "/" + realm;
|
|
|
|
/* Calculate the response */
|
|
/* Code based on code from the http io-slave
|
|
Copyright (C) 2000,2001 Dawit Alemayehu <adawit@kde.org>
|
|
Copyright (C) 2000,2001 Waldo Bastian <bastian@kde.org>
|
|
Copyright (C) 2000,2001 George Staikos <staikos@kde.org> */
|
|
KMD5 md, md2;
|
|
TQCString HA1, HA2;
|
|
TQCString cnonce;
|
|
cnonce.setNum((1 + static_cast<int>(100000.0*rand()/(RAND_MAX+1.0))));
|
|
cnonce = KCodecs::base64Encode( cnonce );
|
|
|
|
// Calculate H(A1)
|
|
TQCString authStr = (utf8) ? mUser.utf8() : TQCString(mUser.latin1());
|
|
authStr += ':';
|
|
authStr += realm;
|
|
authStr += ':';
|
|
authStr += (utf8) ? mPass.utf8() : TQCString(mPass.latin1());
|
|
|
|
md.update( authStr );
|
|
authStr = "";
|
|
if ( algorithm == "md5-sess" )
|
|
{
|
|
authStr += ':';
|
|
authStr += nonce;
|
|
authStr += ':';
|
|
authStr += cnonce;
|
|
}
|
|
md2.reset();
|
|
/* SASL authentication uses rawDigest here, whereas HTTP authentication uses
|
|
hexDigest() */
|
|
md2.update(md.rawDigest(), 16);
|
|
md2.update( authStr );
|
|
md2.hexDigest( HA1 );
|
|
|
|
// Calcualte H(A2)
|
|
authStr = "AUTHENTICATE:";
|
|
authStr += digestUri;
|
|
if ( qop == "auth-int" || qop == "auth-conf" )
|
|
{
|
|
authStr += ":00000000000000000000000000000000";
|
|
}
|
|
md.reset();
|
|
md.update( authStr );
|
|
md.hexDigest( HA2 );
|
|
|
|
// Calcualte the response.
|
|
authStr = HA1;
|
|
authStr += ':';
|
|
authStr += nonce;
|
|
authStr += ':';
|
|
if ( !qop.isEmpty() )
|
|
{
|
|
authStr += nc;
|
|
authStr += ':';
|
|
authStr += cnonce;
|
|
authStr += ':';
|
|
authStr += qop;
|
|
authStr += ':';
|
|
}
|
|
authStr += HA2;
|
|
md.reset();
|
|
md.update( authStr );
|
|
TQCString response = md.hexDigest();
|
|
/* End of response calculation */
|
|
|
|
TQCString result;
|
|
if (utf8)
|
|
{
|
|
result = "charset=utf-8,username=\"" + mUser.utf8();
|
|
} else {
|
|
result = "charset=iso-8859-1,username=\"" + TQCString(mUser.latin1());
|
|
}
|
|
result += "\",realm=\"" + realm + "\",nonce=\"" + nonce;
|
|
result += "\",nc=" + nc + ",cnonce=\"" + cnonce;
|
|
result += "\",digest-uri=\"" + digestUri;
|
|
result += "\",response=" + response + ",qop=" + qop;
|
|
TQByteArray ba;
|
|
ba.duplicate(result.data(), result.length());
|
|
return ba;
|
|
}
|
|
|
|
TQByteArray KDESasl::getBinaryResponse(const TQByteArray &aChallenge, bool aBase64)
|
|
{
|
|
if (aBase64)
|
|
{
|
|
TQByteArray ba;
|
|
KCodecs::base64Decode(aChallenge, ba);
|
|
KCodecs::base64Encode(getBinaryResponse(ba, false), ba);
|
|
return ba;
|
|
}
|
|
if (qstricmp(mMethod, "PLAIN") == 0) return getPlainResponse();
|
|
if (qstricmp(mMethod, "LOGIN") == 0) return getLoginResponse();
|
|
if (qstricmp(mMethod, "CRAM-MD5") == 0)
|
|
return getCramMd5Response(aChallenge);
|
|
if (qstricmp(mMethod, "DIGEST-MD5") == 0)
|
|
return getDigestMd5Response(aChallenge);
|
|
// return getDigestMd5Response(TQCString("realm=\"elwood.innosoft.com\",nonce=\"OA6MG9tEQGm2hh\",qop=\"auth\",algorithm=md5-sess,charset=utf-8"));
|
|
return TQByteArray();
|
|
}
|
|
|
|
TQCString KDESasl::getResponse(const TQByteArray &aChallenge, bool aBase64)
|
|
{
|
|
TQByteArray ba = getBinaryResponse(aChallenge, aBase64);
|
|
return TQCString(ba.data(), ba.size() + 1);
|
|
}
|
|
|
|
TQCString KDESasl::method() const {
|
|
return mMethod;
|
|
}
|
|
|
|
bool KDESasl::clientStarts() const {
|
|
return method() == "PLAIN";
|
|
}
|
|
|
|
bool KDESasl::dialogComplete( int n ) const {
|
|
if ( method() == "PLAIN" || method() == "CRAM-MD5" )
|
|
return n >= 1;
|
|
if ( method() == "LOGIN" || method() == "DIGEST-MD5" )
|
|
return n >= 2;
|
|
return true;
|
|
}
|
|
|
|
bool KDESasl::isClearTextMethod() const {
|
|
return method() == "PLAIN" || method() == "LOGIN" ;
|
|
}
|