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-rw-r--r--kio/kssl/ksslsettings.cc356
1 files changed, 356 insertions, 0 deletions
diff --git a/kio/kssl/ksslsettings.cc b/kio/kssl/ksslsettings.cc
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+/* This file is part of the KDE project
+ *
+ * Copyright (C) 2000 George Staikos <staikos@kde.org>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+
+#include <stdlib.h>
+#include <pwd.h>
+#include <unistd.h>
+
+#include <qfile.h>
+#include <qsortedlist.h>
+
+#include "ksslsettings.h"
+#include <kglobal.h>
+#include <kstandarddirs.h>
+#include <kdebug.h>
+
+// this hack provided by Malte Starostik to avoid glibc/openssl bug
+// on some systems
+#ifdef KSSL_HAVE_SSL
+#define crypt _openssl_crypt
+#include <openssl/ssl.h>
+#undef crypt
+#endif
+#include <kopenssl.h>
+
+#ifdef KSSL_HAVE_SSL
+#define sk_new d->kossl->sk_new
+#define sk_push d->kossl->sk_push
+#define sk_free d->kossl->sk_free
+#define sk_value d->kossl->sk_value
+#define sk_num d->kossl->sk_num
+#define sk_dup d->kossl->sk_dup
+#define sk_pop d->kossl->sk_pop
+#endif
+
+ class CipherNode {
+ public:
+ CipherNode(const char *_name, int _keylen) :
+ name(_name), keylen(_keylen) {}
+ QString name;
+ int keylen;
+ inline int operator==(CipherNode &x)
+ { return ((x.keylen == keylen) && (x.name == name)); }
+ inline int operator< (CipherNode &x) { return keylen < x.keylen; }
+ inline int operator<=(CipherNode &x) { return keylen <= x.keylen; }
+ inline int operator> (CipherNode &x) { return keylen > x.keylen; }
+ inline int operator>=(CipherNode &x) { return keylen >= x.keylen; }
+ };
+
+
+class KSSLSettingsPrivate {
+public:
+ KSSLSettingsPrivate() {
+ kossl = NULL; // try to delay this as long as possible
+ }
+ ~KSSLSettingsPrivate() {
+
+ }
+
+ KOSSL *kossl;
+ bool m_bUseEGD;
+ bool m_bUseEFile;
+ QString m_EGDPath;
+ bool m_bSendX509;
+ bool m_bPromptX509;
+};
+
+//
+// FIXME
+// Implementation note: for now, we only read cipher settings from disk,
+// and do not store them in memory. This should change.
+//
+
+KSSLSettings::KSSLSettings(bool readConfig) {
+ d = new KSSLSettingsPrivate;
+ m_cfg = new KConfig("cryptodefaults", false, false);
+
+ if (!KGlobal::dirs()->addResourceType("kssl", KStandardDirs::kde_default("data") + "kssl")) {
+ //kdDebug(7029) << "Error adding (kssl, share/apps/kssl)" << endl;
+ }
+
+ if (readConfig) load();
+}
+
+
+// we don't save settings incase it was a temporary object
+KSSLSettings::~KSSLSettings() {
+ delete m_cfg;
+ delete d;
+}
+
+
+bool KSSLSettings::sslv2() const {
+ return m_bUseSSLv2;
+}
+
+
+bool KSSLSettings::sslv3() const {
+ return m_bUseSSLv3;
+}
+
+
+bool KSSLSettings::tlsv1() const {
+ return m_bUseTLSv1;
+}
+
+
+// FIXME: we should make a default list available if this fails
+// since OpenSSL seems to just choose any old thing if it's given an
+// empty list. This behavior is not confirmed though.
+QString KSSLSettings::getCipherList() {
+ QString clist;
+#ifdef KSSL_HAVE_SSL
+ QString tcipher;
+ bool firstcipher = true;
+ SSL_METHOD *meth = 0L;
+ QPtrList<CipherNode> cipherList;
+
+ cipherList.setAutoDelete(true);
+
+ if (!d->kossl)
+ d->kossl = KOSSL::self();
+
+ if (m_bUseSSLv3 && m_bUseSSLv2)
+ meth = d->kossl->SSLv23_client_method();
+ else if(m_bUseSSLv3)
+ meth = d->kossl->SSLv3_client_method();
+ else if (m_bUseSSLv2)
+ meth = d->kossl->SSLv2_client_method();
+
+ SSL_CTX *ctx = d->kossl->SSL_CTX_new(meth);
+ SSL* ssl = d->kossl->SSL_new(ctx);
+ STACK_OF(SSL_CIPHER)* sk = d->kossl->SSL_get_ciphers(ssl);
+ int cnt = sk_SSL_CIPHER_num(sk);
+ for (int i=0; i< cnt; i++) {
+ SSL_CIPHER *sc = sk_SSL_CIPHER_value(sk,i);
+ if (!sc)
+ break;
+
+ if(!strcmp("SSLv2", d->kossl->SSL_CIPHER_get_version(sc)))
+ m_cfg->setGroup("SSLv2");
+ else
+ m_cfg->setGroup("SSLv3");
+
+ tcipher.sprintf("cipher_%s", sc->name);
+ int bits = d->kossl->SSL_CIPHER_get_bits(sc, NULL);
+ if (m_cfg->readBoolEntry(tcipher, bits >= 56)) {
+ CipherNode *xx = new CipherNode(sc->name,bits);
+ if (!cipherList.contains(xx))
+ cipherList.prepend(xx);
+ else
+ delete xx;
+ }
+ }
+ d->kossl->SSL_free(ssl);
+ d->kossl->SSL_CTX_free(ctx);
+
+ // Remove any ADH ciphers as per RFC2246
+ // Also remove NULL ciphers and 168bit ciphers
+ for (unsigned int i = 0; i < cipherList.count(); i++) {
+ CipherNode *j = 0L;
+ while ((j = cipherList.at(i)) != 0L) {
+ if (j->name.contains("ADH-") || j->name.contains("NULL-") || j->name.contains("DES-CBC3-SHA") || j->name.contains("FZA")) {
+ cipherList.remove(j);
+ } else {
+ break;
+ }
+ }
+ }
+
+ // now assemble the list cipher1:cipher2:cipher3:...:ciphern
+ while (!cipherList.isEmpty()) {
+ if (firstcipher)
+ firstcipher = false;
+ else clist.append(":");
+ clist.append(cipherList.getLast()->name);
+ cipherList.removeLast();
+ } // while
+
+ kdDebug(7029) << "Cipher list is: " << clist << endl;
+
+#endif
+ return clist;
+}
+
+// FIXME - sync these up so that we can use them with the control module!!
+void KSSLSettings::load() {
+ m_cfg->reparseConfiguration();
+
+ m_cfg->setGroup("TLS");
+ m_bUseTLSv1 = m_cfg->readBoolEntry("Enabled", true);
+
+ m_cfg->setGroup("SSLv2");
+ m_bUseSSLv2 = m_cfg->readBoolEntry("Enabled", false);
+
+ m_cfg->setGroup("SSLv3");
+ m_bUseSSLv3 = m_cfg->readBoolEntry("Enabled", true);
+
+ m_cfg->setGroup("Warnings");
+ m_bWarnOnEnter = m_cfg->readBoolEntry("OnEnter", false);
+ m_bWarnOnLeave = m_cfg->readBoolEntry("OnLeave", true);
+ m_bWarnOnUnencrypted = m_cfg->readBoolEntry("OnUnencrypted", true);
+ m_bWarnOnMixed = m_cfg->readBoolEntry("OnMixed", true);
+
+ m_cfg->setGroup("Validation");
+ m_bWarnSelfSigned = m_cfg->readBoolEntry("WarnSelfSigned", true);
+ m_bWarnExpired = m_cfg->readBoolEntry("WarnExpired", true);
+ m_bWarnRevoked = m_cfg->readBoolEntry("WarnRevoked", true);
+
+ m_cfg->setGroup("EGD");
+ d->m_bUseEGD = m_cfg->readBoolEntry("UseEGD", false);
+ d->m_bUseEFile = m_cfg->readBoolEntry("UseEFile", false);
+ d->m_EGDPath = m_cfg->readPathEntry("EGDPath");
+
+ m_cfg->setGroup("Auth");
+ d->m_bSendX509 = ("send" == m_cfg->readEntry("AuthMethod", ""));
+ d->m_bPromptX509 = ("prompt" == m_cfg->readEntry("AuthMethod", ""));
+
+ #ifdef KSSL_HAVE_SSL
+
+
+
+ #endif
+}
+
+
+void KSSLSettings::defaults() {
+ m_bUseTLSv1 = true;
+ m_bUseSSLv2 = false;
+ m_bUseSSLv3 = true;
+ m_bWarnOnEnter = false;
+ m_bWarnOnLeave = true;
+ m_bWarnOnUnencrypted = true;
+ m_bWarnOnMixed = true;
+ m_bWarnSelfSigned = true;
+ m_bWarnExpired = true;
+ m_bWarnRevoked = true;
+ d->m_bUseEGD = false;
+ d->m_bUseEFile = false;
+ d->m_EGDPath = "";
+}
+
+
+void KSSLSettings::save() {
+ m_cfg->setGroup("TLS");
+ m_cfg->writeEntry("Enabled", m_bUseTLSv1);
+
+ m_cfg->setGroup("SSLv2");
+ m_cfg->writeEntry("Enabled", m_bUseSSLv2);
+
+ m_cfg->setGroup("SSLv3");
+ m_cfg->writeEntry("Enabled", m_bUseSSLv3);
+
+ m_cfg->setGroup("Warnings");
+ m_cfg->writeEntry("OnEnter", m_bWarnOnEnter);
+ m_cfg->writeEntry("OnLeave", m_bWarnOnLeave);
+ m_cfg->writeEntry("OnUnencrypted", m_bWarnOnUnencrypted);
+ m_cfg->writeEntry("OnMixed", m_bWarnOnMixed);
+
+ m_cfg->setGroup("Validation");
+ m_cfg->writeEntry("WarnSelfSigned", m_bWarnSelfSigned);
+ m_cfg->writeEntry("WarnExpired", m_bWarnExpired);
+ m_cfg->writeEntry("WarnRevoked", m_bWarnRevoked);
+
+ m_cfg->setGroup("EGD");
+ m_cfg->writeEntry("UseEGD", d->m_bUseEGD);
+ m_cfg->writeEntry("UseEFile", d->m_bUseEFile);
+ m_cfg->writePathEntry("EGDPath", d->m_EGDPath);
+
+ m_cfg->sync();
+ // FIXME - ciphers
+#if 0
+#ifdef KSSL_HAVE_SSL
+ m_cfg->setGroup("SSLv2");
+ for (unsigned int i = 0; i < v2ciphers.count(); i++) {
+ QString ciphername;
+ ciphername.sprintf("cipher_%s", v2ciphers[i].ascii());
+ if (v2selectedciphers.contains(v2ciphers[i])) {
+ m_cfg->writeEntry(ciphername, true);
+ } else m_cfg->writeEntry(ciphername, false);
+ }
+
+ m_cfg->setGroup("SSLv3");
+ for (unsigned int i = 0; i < v3ciphers.count(); i++) {
+ QString ciphername;
+ ciphername.sprintf("cipher_%s", v3ciphers[i].ascii());
+ if (v3selectedciphers.contains(v3ciphers[i])) {
+ m_cfg->writeEntry(ciphername, true);
+ } else m_cfg->writeEntry(ciphername, false);
+ }
+#endif
+
+ m_cfg->sync();
+
+ // insure proper permissions -- contains sensitive data
+ QString cfgName(KGlobal::dirs()->findResource("config", "cryptodefaults"));
+ if (!cfgName.isEmpty())
+ ::chmod(QFile::encodeName(cfgName), 0600);
+#endif
+}
+
+
+bool KSSLSettings::warnOnEnter() const { return m_bWarnOnEnter; }
+void KSSLSettings::setWarnOnEnter(bool x) { m_bWarnOnEnter = x; }
+bool KSSLSettings::warnOnUnencrypted() const { return m_bWarnOnUnencrypted; }
+void KSSLSettings::setWarnOnUnencrypted(bool x) { m_bWarnOnUnencrypted = x; }
+bool KSSLSettings::warnOnLeave() const { return m_bWarnOnLeave; }
+void KSSLSettings::setWarnOnLeave(bool x) { m_bWarnOnLeave = x; }
+bool KSSLSettings::warnOnMixed() const { return m_bWarnOnMixed; }
+bool KSSLSettings::warnOnSelfSigned() const { return m_bWarnSelfSigned; }
+bool KSSLSettings::warnOnRevoked() const { return m_bWarnRevoked; }
+bool KSSLSettings::warnOnExpired() const { return m_bWarnExpired; }
+bool KSSLSettings::useEGD() const { return d->m_bUseEGD; }
+bool KSSLSettings::useEFile() const { return d->m_bUseEFile; }
+bool KSSLSettings::autoSendX509() const { return d->m_bSendX509; }
+bool KSSLSettings::promptSendX509() const { return d->m_bPromptX509; }
+
+void KSSLSettings::setTLSv1(bool enabled) { m_bUseTLSv1 = enabled; }
+void KSSLSettings::setSSLv2(bool enabled) { m_bUseSSLv2 = enabled; }
+void KSSLSettings::setSSLv3(bool enabled) { m_bUseSSLv3 = enabled; }
+
+QString& KSSLSettings::getEGDPath() { return d->m_EGDPath; }
+
+#ifdef KSSL_HAVE_SSL
+#undef sk_new
+#undef sk_push
+#undef sk_free
+#undef sk_value
+#undef sk_num
+#undef sk_pop
+#undef sk_dup
+#endif
+
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