--- /dev/null
+/*
+ * Copyright (C) 2004 Red Hat Inc.
+ * Copyright (C) 2005 Martin Koegler
+ * Copyright (C) 2010 TigerVNC Team
+ *
+ * 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
+
+#ifndef HAVE_GNUTLS
+#error "This header should not be compiled without HAVE_GNUTLS defined"
+#endif
+
+#include <rfb/CSecurityTLS.h>
+#include <rfb/SSecurityVeNCrypt.h>
+#include <rfb/CConnection.h>
+#include <rfb/LogWriter.h>
+#include <rfb/Exception.h>
+#include <rdr/TLSInStream.h>
+#include <rdr/TLSOutStream.h>
+
+#include <gnutls/x509.h>
+
+#define TLS_DEBUG
+
+using namespace rfb;
+
+StringParameter CSecurityTLS::x509ca("x509ca", "X509 CA certificate", "", ConfViewer);
+StringParameter CSecurityTLS::x509crl("x509crl", "X509 CRL file", "", ConfViewer);
+
+static LogWriter vlog("TLS");
+
+#ifdef TLS_DEBUG
+static void debug_log(int level, const char* str)
+{
+ vlog.debug(str);
+}
+#endif
+
+void CSecurityTLS::initGlobal()
+{
+ static bool globalInitDone = false;
+
+ if (!globalInitDone) {
+ gnutls_global_init();
+
+#ifdef TLS_DEBUG
+ gnutls_global_set_log_level(10);
+ gnutls_global_set_log_function(debug_log);
+#endif
+
+ globalInitDone = true;
+ }
+}
+
+CSecurityTLS::CSecurityTLS(bool _anon) : session(0), anon_cred(0),
+ anon(_anon), fis(0), fos(0)
+{
+ cafile = x509ca.getData();
+ crlfile = x509crl.getData();
+}
+
+void CSecurityTLS::shutdown()
+{
+ if (session)
+ gnutls_bye(session, GNUTLS_SHUT_RDWR);
+
+ if (anon_cred) {
+ gnutls_anon_free_client_credentials(anon_cred);
+ anon_cred = 0;
+ }
+
+ if (cert_cred) {
+ gnutls_certificate_free_credentials(cert_cred);
+ cert_cred = 0;
+ }
+
+ if (session) {
+ gnutls_deinit(session);
+ session = 0;
+
+ gnutls_global_deinit();
+ }
+}
+
+
+CSecurityTLS::~CSecurityTLS()
+{
+ shutdown();
+
+ if (fis)
+ delete fis;
+ if (fos)
+ delete fos;
+
+ delete[] cafile;
+ delete[] crlfile;
+}
+
+bool CSecurityTLS::processMsg(CConnection* cc)
+{
+ rdr::InStream* is = cc->getInStream();
+ rdr::OutStream* os = cc->getOutStream();
+ client = cc;
+
+ initGlobal();
+
+ if (!session) {
+ if (!is->checkNoWait(1))
+ return false;
+
+ if (is->readU8() == 0)
+ return true;
+
+ gnutls_init(&session, GNUTLS_CLIENT);
+ gnutls_set_default_priority(session);
+
+ setParam();
+
+ gnutls_transport_set_pull_function(session, rdr::gnutls_InStream_pull);
+ gnutls_transport_set_push_function(session, rdr::gnutls_OutStream_push);
+ gnutls_transport_set_ptr2(session,
+ (gnutls_transport_ptr) is,
+ (gnutls_transport_ptr) os);
+ }
+
+ int err;
+ err = gnutls_handshake(session);
+ if (err != GNUTLS_E_SUCCESS && !gnutls_error_is_fatal(err))
+ return false;
+
+ if (err != GNUTLS_E_SUCCESS) {
+ vlog.error("TLS Handshake failed: %s\n", gnutls_strerror (err));
+ shutdown();
+ throw AuthFailureException("TLS Handshake failed");
+ }
+
+ checkSession();
+
+ cc->setStreams(fis = new rdr::TLSInStream(is, session),
+ fos = new rdr::TLSOutStream(os, session));
+
+ return true;
+}
+
+void CSecurityTLS::setParam()
+{
+ static const int kx_anon_priority[] = { GNUTLS_KX_ANON_DH, 0 };
+ static const int kx_priority[] = { GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA,
+ GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0 };
+
+ if (anon) {
+ gnutls_kx_set_priority(session, kx_anon_priority);
+ gnutls_anon_allocate_client_credentials(&anon_cred);
+ gnutls_credentials_set(session, GNUTLS_CRD_ANON, anon_cred);
+
+ vlog.debug("Anonymous session has been set");
+ } else {
+ gnutls_kx_set_priority(session, kx_priority);
+ gnutls_certificate_allocate_credentials(&cert_cred);
+
+ if (*cafile && gnutls_certificate_set_x509_trust_file(cert_cred,cafile,GNUTLS_X509_FMT_PEM) < 0)
+ throw AuthFailureException("load of CA cert failed");
+
+ if (*crlfile && gnutls_certificate_set_x509_crl_file(cert_cred,crlfile,GNUTLS_X509_FMT_PEM) < 0)
+ throw AuthFailureException("load of CRL failed");
+
+ gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, cert_cred);
+
+ vlog.debug("X509 session has been set");
+ }
+}
+
+void CSecurityTLS::checkSession()
+{
+ int status;
+ const gnutls_datum *cert_list;
+ unsigned int cert_list_size = 0;
+ unsigned int i;
+
+ if (anon)
+ return;
+
+ if (gnutls_certificate_type_get(session) != GNUTLS_CRT_X509)
+ throw AuthFailureException("unsupported certificate type");
+
+ cert_list = gnutls_certificate_get_peers(session, &cert_list_size);
+ if (!cert_list_size)
+ throw AuthFailureException("unsupported certificate type");
+
+ status = gnutls_certificate_verify_peers(session);
+ if (status == GNUTLS_E_NO_CERTIFICATE_FOUND)
+ throw AuthFailureException("no certificate sent");
+
+ if (status < 0) {
+ vlog.error("X509 verify failed: %s\n", gnutls_strerror (status));
+ throw AuthFailureException("certificate verification failed");
+ }
+
+ if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
+ throw AuthFailureException("certificate issuer unknown");
+
+ if (status & GNUTLS_CERT_INVALID)
+ throw AuthFailureException("certificate not trusted");
+
+ for (i = 0; i < cert_list_size; i++) {
+ gnutls_x509_crt crt;
+ gnutls_x509_crt_init(&crt);
+
+ if (gnutls_x509_crt_import(crt, &cert_list[i],GNUTLS_X509_FMT_DER) < 0)
+ throw AuthFailureException("Decoding of certificate failed");
+
+ if (gnutls_x509_crt_check_hostname(crt, client->getServerName()) == 0) {
+#if 0
+ throw AuthFailureException("Hostname mismatch"); /* Non-fatal for now... */
+#endif
+ }
+ gnutls_x509_crt_deinit(crt);
+ }
+}
+
--- /dev/null
+/* \r
+ * Copyright (C) 2004 Red Hat Inc.\r
+ * Copyright (C) 2005 Martin Koegler\r
+ * Copyright (C) 2010 TigerVNC Team\r
+ * \r
+ * This is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ * \r
+ * This software is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ * \r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this software; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,\r
+ * USA.\r
+ */\r
+\r
+#ifndef __C_SECURITY_TLS_H__\r
+#define __C_SECURITY_TLS_H__\r
+\r
+#ifdef HAVE_CONFIG_H\r
+#include <config.h>\r
+#endif\r
+\r
+#ifndef HAVE_GNUTLS\r
+#error "This header should not be compiled without HAVE_GNUTLS defined"\r
+#endif\r
+\r
+#include <rfb/CSecurity.h>\r
+#include <rfb/SSecurityVeNCrypt.h>\r
+#include <rfb/Security.h>\r
+#include <rdr/InStream.h>\r
+#include <rdr/OutStream.h>\r
+#include <gnutls/gnutls.h>\r
+\r
+namespace rfb {\r
+ class CSecurityTLS : public CSecurity {\r
+ public:\r
+ CSecurityTLS(bool _anon);\r
+ virtual ~CSecurityTLS();\r
+ virtual bool processMsg(CConnection* cc);\r
+ virtual int getType() const { return anon ? secTypeTLSNone : secTypeX509None; }\r
+ virtual const char* description() const\r
+ { return anon ? "TLS Encryption without VncAuth" : "X509 Encryption without VncAuth"; }\r
+\r
+ static StringParameter x509ca;\r
+ static StringParameter x509crl;\r
+\r
+ protected:\r
+ void shutdown();\r
+ void freeResources();\r
+ void setParam();\r
+ void checkSession();\r
+ CConnection *client;\r
+\r
+ private:\r
+ static void initGlobal();\r
+\r
+ gnutls_session session;\r
+ gnutls_anon_client_credentials anon_cred;\r
+ gnutls_certificate_credentials cert_cred;\r
+ bool anon;\r
+\r
+ char *cafile, *crlfile;\r
+ rdr::InStream* fis;\r
+ rdr::OutStream* fos;\r
+ };\r
+}\r
+\r
+#endif\r
+++ /dev/null
-/*
- * Copyright (C) 2004 Red Hat Inc.
- * Copyright (C) 2005 Martin Koegler
- * Copyright (C) 2010 TigerVNC Team
- *
- * 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
-
-#ifndef HAVE_GNUTLS
-#error "This header should not be compiled without HAVE_GNUTLS defined"
-#endif
-
-#include <rfb/CSecurityTLSBase.h>
-#include <rfb/SSecurityVeNCrypt.h>
-#include <rfb/CConnection.h>
-#include <rfb/LogWriter.h>
-#include <rfb/Exception.h>
-#include <rdr/TLSInStream.h>
-#include <rdr/TLSOutStream.h>
-
-#include <gnutls/x509.h>
-
-#define TLS_DEBUG
-
-using namespace rfb;
-
-StringParameter CSecurityTLSBase::x509ca("x509ca", "X509 CA certificate", "", ConfViewer);
-StringParameter CSecurityTLSBase::x509crl("x509crl", "X509 CRL file", "", ConfViewer);
-
-static LogWriter vlog("TLS");
-
-#ifdef TLS_DEBUG
-static void debug_log(int level, const char* str)
-{
- vlog.debug(str);
-}
-#endif
-
-void CSecurityTLSBase::initGlobal()
-{
- static bool globalInitDone = false;
-
- if (!globalInitDone) {
- gnutls_global_init();
-
-#ifdef TLS_DEBUG
- gnutls_global_set_log_level(10);
- gnutls_global_set_log_function(debug_log);
-#endif
-
- globalInitDone = true;
- }
-}
-
-CSecurityTLSBase::CSecurityTLSBase(bool _anon) : session(0), anon_cred(0),
- anon(_anon), fis(0), fos(0)
-{
- cafile = x509ca.getData();
- crlfile = x509crl.getData();
-}
-
-void CSecurityTLSBase::shutdown()
-{
- if (session)
- gnutls_bye(session, GNUTLS_SHUT_RDWR);
-
- if (anon_cred) {
- gnutls_anon_free_client_credentials(anon_cred);
- anon_cred = 0;
- }
-
- if (cert_cred) {
- gnutls_certificate_free_credentials(cert_cred);
- cert_cred = 0;
- }
-
- if (session) {
- gnutls_deinit(session);
- session = 0;
-
- gnutls_global_deinit();
- }
-}
-
-
-CSecurityTLSBase::~CSecurityTLSBase()
-{
- shutdown();
-
- if (fis)
- delete fis;
- if (fos)
- delete fos;
-
- delete[] cafile;
- delete[] crlfile;
-}
-
-bool CSecurityTLSBase::processMsg(CConnection* cc)
-{
- rdr::InStream* is = cc->getInStream();
- rdr::OutStream* os = cc->getOutStream();
- client = cc;
-
- initGlobal();
-
- if (!session) {
- if (!is->checkNoWait(1))
- return false;
-
- if (is->readU8() == 0)
- return true;
-
- gnutls_init(&session, GNUTLS_CLIENT);
- gnutls_set_default_priority(session);
-
- setParam();
-
- gnutls_transport_set_pull_function(session, rdr::gnutls_InStream_pull);
- gnutls_transport_set_push_function(session, rdr::gnutls_OutStream_push);
- gnutls_transport_set_ptr2(session,
- (gnutls_transport_ptr) is,
- (gnutls_transport_ptr) os);
- }
-
- int err;
- err = gnutls_handshake(session);
- if (err != GNUTLS_E_SUCCESS && !gnutls_error_is_fatal(err))
- return false;
-
- if (err != GNUTLS_E_SUCCESS) {
- vlog.error("TLS Handshake failed: %s\n", gnutls_strerror (err));
- shutdown();
- throw AuthFailureException("TLS Handshake failed");
- }
-
- checkSession();
-
- cc->setStreams(fis = new rdr::TLSInStream(is, session),
- fos = new rdr::TLSOutStream(os, session));
-
- return true;
-}
-
-void CSecurityTLSBase::setParam()
-{
- static const int kx_anon_priority[] = { GNUTLS_KX_ANON_DH, 0 };
- static const int kx_priority[] = { GNUTLS_KX_DHE_DSS, GNUTLS_KX_RSA,
- GNUTLS_KX_DHE_RSA, GNUTLS_KX_SRP, 0 };
-
- if (anon) {
- gnutls_kx_set_priority(session, kx_anon_priority);
- gnutls_anon_allocate_client_credentials(&anon_cred);
- gnutls_credentials_set(session, GNUTLS_CRD_ANON, anon_cred);
-
- vlog.debug("Anonymous session has been set");
- } else {
- gnutls_kx_set_priority(session, kx_priority);
- gnutls_certificate_allocate_credentials(&cert_cred);
-
- if (*cafile && gnutls_certificate_set_x509_trust_file(cert_cred,cafile,GNUTLS_X509_FMT_PEM) < 0)
- throw AuthFailureException("load of CA cert failed");
-
- if (*crlfile && gnutls_certificate_set_x509_crl_file(cert_cred,crlfile,GNUTLS_X509_FMT_PEM) < 0)
- throw AuthFailureException("load of CRL failed");
-
- gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, cert_cred);
-
- vlog.debug("X509 session has been set");
- }
-}
-
-void CSecurityTLSBase::checkSession()
-{
- int status;
- const gnutls_datum *cert_list;
- unsigned int cert_list_size = 0;
- unsigned int i;
-
- if (anon)
- return;
-
- if (gnutls_certificate_type_get(session) != GNUTLS_CRT_X509)
- throw AuthFailureException("unsupported certificate type");
-
- cert_list = gnutls_certificate_get_peers(session, &cert_list_size);
- if (!cert_list_size)
- throw AuthFailureException("unsupported certificate type");
-
- status = gnutls_certificate_verify_peers(session);
- if (status == GNUTLS_E_NO_CERTIFICATE_FOUND)
- throw AuthFailureException("no certificate sent");
-
- if (status < 0) {
- vlog.error("X509 verify failed: %s\n", gnutls_strerror (status));
- throw AuthFailureException("certificate verification failed");
- }
-
- if (status & GNUTLS_CERT_SIGNER_NOT_FOUND)
- throw AuthFailureException("certificate issuer unknown");
-
- if (status & GNUTLS_CERT_INVALID)
- throw AuthFailureException("certificate not trusted");
-
- for (i = 0; i < cert_list_size; i++) {
- gnutls_x509_crt crt;
- gnutls_x509_crt_init(&crt);
-
- if (gnutls_x509_crt_import(crt, &cert_list[i],GNUTLS_X509_FMT_DER) < 0)
- throw AuthFailureException("Decoding of certificate failed");
-
- if (gnutls_x509_crt_check_hostname(crt, client->getServerName()) == 0) {
-#if 0
- throw AuthFailureException("Hostname mismatch"); /* Non-fatal for now... */
-#endif
- }
- gnutls_x509_crt_deinit(crt);
- }
-}
-
+++ /dev/null
-/* \r
- * Copyright (C) 2004 Red Hat Inc.\r
- * Copyright (C) 2005 Martin Koegler\r
- * Copyright (C) 2010 TigerVNC Team\r
- * \r
- * This is free software; you can redistribute it and/or modify\r
- * it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either version 2 of the License, or\r
- * (at your option) any later version.\r
- * \r
- * This software is distributed in the hope that it will be useful,\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
- * GNU General Public License for more details.\r
- * \r
- * You should have received a copy of the GNU General Public License\r
- * along with this software; if not, write to the Free Software\r
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,\r
- * USA.\r
- */\r
-\r
-#ifndef __C_SECURITY_TLSBASE_H__\r
-#define __C_SECURITY_TLSBASE_H__\r
-\r
-#ifdef HAVE_CONFIG_H\r
-#include <config.h>\r
-#endif\r
-\r
-#ifndef HAVE_GNUTLS\r
-#error "This header should not be compiled without HAVE_GNUTLS defined"\r
-#endif\r
-\r
-#include <rfb/CSecurity.h>\r
-#include <rfb/SSecurityVeNCrypt.h>\r
-#include <rfb/Security.h>\r
-#include <rdr/InStream.h>\r
-#include <rdr/OutStream.h>\r
-#include <gnutls/gnutls.h>\r
-\r
-namespace rfb {\r
- class CSecurityTLSBase : public CSecurity {\r
- public:\r
- CSecurityTLSBase(bool _anon);\r
- virtual ~CSecurityTLSBase();\r
- virtual bool processMsg(CConnection* cc);\r
- virtual int getType() const { return anon ? secTypeTLSNone : secTypeX509None; }\r
- virtual const char* description() const\r
- { return anon ? "TLS Encryption without VncAuth" : "X509 Encryption without VncAuth"; }\r
-\r
- static StringParameter x509ca;\r
- static StringParameter x509crl;\r
-\r
- protected:\r
- void shutdown();\r
- void freeResources();\r
- void setParam();\r
- void checkSession();\r
- CConnection *client;\r
-\r
- private:\r
- static void initGlobal();\r
-\r
- gnutls_session session;\r
- gnutls_anon_client_credentials anon_cred;\r
- gnutls_certificate_credentials cert_cred;\r
- bool anon;\r
-\r
- char *cafile, *crlfile;\r
- rdr::InStream* fis;\r
- rdr::OutStream* fos;\r
- };\r
-}\r
-\r
-#endif\r
noinst_LTLIBRARIES = librfb.la
-VENCRYPT_HDRS = CSecurityTLSBase.h SSecurityTLS.h
+VENCRYPT_HDRS = CSecurityTLS.h SSecurityTLS.h
-VENCRYPT_SRCS = CSecurityTLSBase.cxx SSecurityTLS.cxx
+VENCRYPT_SRCS = CSecurityTLS.cxx SSecurityTLS.cxx
HDRS = Blacklist.h CapsContainer.h CapsList.h CConnection.h \
CMsgHandler.h CMsgReader.h CMsgReaderV3.h CMsgWriter.h \
#include <rfb/SSecurityVncAuth.h>
#include <rfb/SSecurityVeNCrypt.h>
#ifdef HAVE_GNUTLS
-#include <rfb/CSecurityTLSBase.h>
+#include <rfb/CSecurityTLS.h>
#include <rfb/SSecurityTLS.h>
#endif
#include <rfb/util.h>
#ifdef HAVE_GNUTLS
case secTypeTLSNone:
return new CSecurityStack(secTypeTLSNone, "TLS with no password",
- new CSecurityTLSBase(true));
+ new CSecurityTLS(true));
case secTypeTLSVnc:
return new CSecurityStack(secTypeTLSVnc, "TLS with VNCAuth",
- new CSecurityTLSBase(true), new CSecurityVncAuth());
+ new CSecurityTLS(true), new CSecurityVncAuth());
case secTypeX509None:
return new CSecurityStack(secTypeX509None, "X509 with no password",
- new CSecurityTLSBase(false));
+ new CSecurityTLS(false));
case secTypeX509Vnc:
return new CSecurityStack(secTypeX509None, "X509 with VNCAuth",
- new CSecurityTLSBase(false), new CSecurityVncAuth());
+ new CSecurityTLS(false), new CSecurityVncAuth());
#endif
}
projects / tigervnc.git / commitdiff