kio

ksslkeygen.cc

00001 /* This file is part of the KDE project
00002  *
00003  * Copyright (C) 2001 George Staikos <staikos@kde.org>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public License
00016  * along with this library; see the file COPYING.LIB.  If not, write to
00017  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00018  * Boston, MA 02110-1301, USA.
00019  */
00020 
00021 
00022 #include "ksslkeygen.h"
00023 #include "keygenwizard.h"
00024 #include "keygenwizard2.h"
00025 
00026 #include <kapplication.h>
00027 #include <kdebug.h>
00028 #include <klocale.h>
00029 #include <kmessagebox.h>
00030 #include <kopenssl.h>
00031 #include <kprogress.h>
00032 #include <kstandarddirs.h>
00033 #include <ktempfile.h>
00034 #include <kwallet.h>
00035 
00036 #include <qlineedit.h>
00037 #include <qpushbutton.h>
00038 
00039 #include <assert.h>
00040 
00041 
00042 KSSLKeyGen::KSSLKeyGen(QWidget *parent, const char *name, bool modal) 
00043 :KWizard(parent,name,modal) {
00044     _idx = -1;
00045 
00046 #ifdef KSSL_HAVE_SSL
00047     page1 = new KGWizardPage1(this, "Wizard Page 1");
00048     addPage(page1, i18n("KDE Certificate Request"));
00049     page2 = new KGWizardPage2(this, "Wizard Page 2");
00050     addPage(page2, i18n("KDE Certificate Request - Password"));
00051     setHelpEnabled(page1, false);
00052     setHelpEnabled(page2, false);
00053     setFinishEnabled(page2, false);
00054     connect(page2->_password1, SIGNAL(textChanged(const QString&)), this, SLOT(slotPassChanged()));
00055     connect(page2->_password2, SIGNAL(textChanged(const QString&)), this, SLOT(slotPassChanged()));
00056     connect(finishButton(), SIGNAL(clicked()), SLOT(slotGenerate()));
00057 #else
00058     // tell him he doesn't have SSL
00059 #endif
00060 }
00061 
00062 
00063 KSSLKeyGen::~KSSLKeyGen() {
00064     
00065 }
00066 
00067 
00068 void KSSLKeyGen::slotPassChanged() {
00069     setFinishEnabled(page2, page2->_password1->text() == page2->_password2->text() && page2->_password1->text().length() >= 4);
00070 }
00071 
00072 
00073 void KSSLKeyGen::slotGenerate() {
00074     assert(_idx >= 0 && _idx <= 3);   // for now
00075 
00076 
00077     // Generate the CSR
00078     int bits;
00079     switch (_idx) {
00080     case 0:
00081         bits = 2048;
00082         break;
00083     case 1:
00084         bits = 1024;
00085         break;
00086     case 2:
00087         bits = 768;
00088         break;
00089     case 3:
00090         bits = 512;
00091         break;
00092     default:
00093         KMessageBox::sorry(NULL, i18n("Unsupported key size."), i18n("KDE SSL Information"));
00094         return;
00095     }
00096 
00097     KProgressDialog *kpd = new KProgressDialog(this, "progress dialog", i18n("KDE"), i18n("Please wait while the encryption keys are generated..."));
00098     kpd->progressBar()->setProgress(0);
00099     kpd->show();
00100     // FIXME - progress dialog won't show this way
00101 
00102     int rc = generateCSR("This CSR" /*FIXME */, page2->_password1->text(), bits, 0x10001 /* This is the traditional exponent used */);
00103     kpd->progressBar()->setProgress(100);
00104 
00105 #ifndef Q_OS_WIN //TODO: reenable for WIN32
00106     if (rc == 0 && KWallet::Wallet::isEnabled()) {
00107         rc = KMessageBox::questionYesNo(this, i18n("Do you wish to store the passphrase in your wallet file?"), QString::null, i18n("Store"), i18n("Do Not Store"));
00108         if (rc == KMessageBox::Yes) {
00109             KWallet::Wallet *w = KWallet::Wallet::openWallet(KWallet::Wallet::LocalWallet(), winId());
00110             if (w) {
00111                 // FIXME: store passphrase in wallet
00112                 delete w;
00113             }
00114         }
00115     }
00116 #endif
00117 
00118     kpd->deleteLater();
00119 }
00120 
00121 
00122 int KSSLKeyGen::generateCSR(const QString& name, const QString& pass, int bits, int e) {
00123 #ifdef KSSL_HAVE_SSL
00124     KOSSL *kossl = KOSSL::self();
00125     int rc;
00126 
00127     X509_REQ *req = kossl->X509_REQ_new();
00128     if (!req) {
00129         return -2;
00130     }
00131 
00132     EVP_PKEY *pkey = kossl->EVP_PKEY_new();
00133     if (!pkey) {
00134         kossl->X509_REQ_free(req);
00135         return -4;
00136     }
00137 
00138     RSA *rsakey = kossl->RSA_generate_key(bits, e, NULL, NULL);
00139     if (!rsakey) {
00140         kossl->X509_REQ_free(req);
00141         kossl->EVP_PKEY_free(pkey);
00142         return -3;
00143     }
00144 
00145     rc = kossl->EVP_PKEY_assign(pkey, EVP_PKEY_RSA, (char *)rsakey);
00146 
00147     rc = kossl->X509_REQ_set_pubkey(req, pkey);
00148 
00149     // Set the subject
00150     X509_NAME *n = kossl->X509_NAME_new();
00151 
00152     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_countryName, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00153     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_organizationName, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00154     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_organizationalUnitName, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00155     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_localityName, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00156     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_stateOrProvinceName, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00157     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_commonName, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00158     kossl->X509_NAME_add_entry_by_txt(n, (char*)LN_pkcs9_emailAddress, MBSTRING_UTF8, (unsigned char*)name.local8Bit().data(), -1, -1, 0);
00159     
00160     rc = kossl->X509_REQ_set_subject_name(req, n);
00161 
00162 
00163     rc = kossl->X509_REQ_sign(req, pkey, kossl->EVP_md5());
00164 
00165     // We write it to the database and then the caller can obtain it
00166     // back from there.  Yes it's inefficient, but it doesn't happen
00167     // often and this way things are uniform.
00168   
00169     KGlobal::dirs()->addResourceType("kssl", KStandardDirs::kde_default("data") + "kssl");
00170 
00171     QString path = KGlobal::dirs()->saveLocation("kssl");
00172     KTempFile csrFile(path + "csr_", ".der");
00173 
00174     if (!csrFile.fstream()) {
00175         kossl->X509_REQ_free(req);
00176         kossl->EVP_PKEY_free(pkey);
00177         return -5;
00178     }
00179 
00180     KTempFile p8File(path + "pkey_", ".p8");
00181 
00182     if (!p8File.fstream()) {
00183         kossl->X509_REQ_free(req);
00184         kossl->EVP_PKEY_free(pkey);
00185         return -5;
00186     }
00187 
00188     kossl->i2d_X509_REQ_fp(csrFile.fstream(), req);
00189 
00190     kossl->i2d_PKCS8PrivateKey_fp(p8File.fstream(), pkey,
00191             kossl->EVP_bf_cbc(), pass.local8Bit().data(),
00192             pass.length(), 0L, 0L);
00193 
00194     // FIXME Write kconfig entry to store the filenames under the md5 hash
00195 
00196     kossl->X509_REQ_free(req);
00197     kossl->EVP_PKEY_free(pkey);
00198 
00199     return 0;
00200 #else
00201     return -1;
00202 #endif
00203 }
00204 
00205 
00206 QStringList KSSLKeyGen::supportedKeySizes() {
00207     QStringList x;
00208 
00209 #ifdef KSSL_HAVE_SSL
00210     x   << i18n("2048 (High Grade)")
00211         << i18n("1024 (Medium Grade)")
00212         << i18n("768  (Low Grade)")
00213         << i18n("512  (Low Grade)");
00214 #else
00215     x   << i18n("No SSL support.");
00216 #endif
00217 
00218     return x;
00219 }
00220 
00221 
00222 #include "ksslkeygen.moc"
00223
kio

ksslkeygen.cc

kio

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