created empty imc_attestation and imv_attestation plugin hulls
authorAndreas Steffen <andreas.steffen@strongswan.org>
Mon, 20 Jun 2011 14:30:23 +0000 (16:30 +0200)
committerAndreas Steffen <andreas.steffen@strongswan.org>
Thu, 8 Sep 2011 10:08:08 +0000 (12:08 +0200)
12 files changed:
configure.in
src/libimcv/Makefile.am
src/libimcv/plugins/imc_attestation/Makefile.am [new file with mode: 0644]
src/libimcv/plugins/imc_attestation/imc_attestation.c [new file with mode: 0644]
src/libimcv/plugins/imc_attestation/imc_attestation_state.c [new file with mode: 0644]
src/libimcv/plugins/imc_attestation/imc_attestation_state.h [new file with mode: 0644]
src/libimcv/plugins/imv_attestation/Makefile.am [new file with mode: 0644]
src/libimcv/plugins/imv_attestation/imv_attestation.c [new file with mode: 0644]
src/libimcv/plugins/imv_attestation/imv_attestation_state.c [new file with mode: 0644]
src/libimcv/plugins/imv_attestation/imv_attestation_state.h [new file with mode: 0644]
src/libimcv/tcg/tcg_attr.c [new file with mode: 0644]
src/libimcv/tcg/tcg_attr.h [new file with mode: 0644]

index 67d1c2a..d3fe78b 100644 (file)
@@ -137,8 +137,13 @@ ARG_ENABL_SET([tnccs-20],       [enable TNCCS 2.0 protocol module.])
 ARG_ENABL_SET([tnccs-dynamic],  [enable dynamic TNCCS protocol discovery module.])
 ARG_ENABL_SET([imc-test],       [enable IMC test module.])
 ARG_ENABL_SET([imv-test],       [enable IMV test module.])
+<<<<<<< HEAD
 ARG_ENABL_SET([imc-scanner],    [enable IMC port scanner module.])
 ARG_ENABL_SET([imv-scanner],    [enable IMV port scanner module.])
+=======
+ARG_ENABL_SET([imc-attestation],[enable IMC attestation module.])
+ARG_ENABL_SET([imv-attestation],[enable IMV attestation module.])
+>>>>>>> created empty imc_attestation and imv_attestation plugin hulls
 ARG_DISBL_SET([kernel-netlink], [disable the netlink kernel interface.])
 ARG_ENABL_SET([kernel-pfkey],   [enable the PF_KEY kernel interface.])
 ARG_ENABL_SET([kernel-pfroute], [enable the PF_ROUTE kernel interface.])
@@ -248,7 +253,7 @@ if test x$eap_tls = xtrue -o x$eap_ttls = xtrue -o x$eap_peap = xtrue; then
        tls=true;
 fi
 
-if test x$imc_test = xtrue -o x$imv_test = xtrue -o x$imc_scanner = xtrue -o x$imv_scanner = xtrue; then
+if test x$imc_test = xtrue -o x$imv_test = xtrue -o x$imc_scanner = xtrue -o x$imv_scanner = xtrue -o x$imc_attestation = xtrue -o x$imv_attestation = xtrue; then
        imcv=true;
 fi
 
@@ -945,8 +950,13 @@ AM_CONDITIONAL(USE_TNCCS_20, test x$tnccs_20 = xtrue)
 AM_CONDITIONAL(USE_TNCCS_DYNAMIC, test x$tnccs_dynamic = xtrue)
 AM_CONDITIONAL(USE_IMC_TEST, test x$imc_test = xtrue)
 AM_CONDITIONAL(USE_IMV_TEST, test x$imv_test = xtrue)
+<<<<<<< HEAD
 AM_CONDITIONAL(USE_IMC_SCANNER, test x$imc_scanner = xtrue)
 AM_CONDITIONAL(USE_IMV_SCANNER, test x$imv_scanner = xtrue)
+=======
+AM_CONDITIONAL(USE_IMC_ATTESTATION, test x$imc_attestation = xtrue)
+AM_CONDITIONAL(USE_IMV_ATTESTATION, test x$imv_attestation = xtrue)
+>>>>>>> created empty imc_attestation and imv_attestation plugin hulls
 AM_CONDITIONAL(USE_SOCKET_DEFAULT, test x$socket_default = xtrue)
 AM_CONDITIONAL(USE_SOCKET_RAW, test x$socket_raw = xtrue)
 AM_CONDITIONAL(USE_SOCKET_DYNAMIC, test x$socket_dynamic = xtrue)
@@ -1080,6 +1090,8 @@ AC_OUTPUT(
        src/libimcv/plugins/imv_test/Makefile
        src/libimcv/plugins/imc_scanner/Makefile
        src/libimcv/plugins/imv_scanner/Makefile
+       src/libimcv/plugins/imc_attestation/Makefile
+       src/libimcv/plugins/imv_attestation/Makefile
        src/pluto/Makefile
        src/pluto/plugins/xauth/Makefile
        src/whack/Makefile
index db78f55..c6a273f 100644 (file)
@@ -14,7 +14,8 @@ libimcv_la_SOURCES = \
        ietf/ietf_attr_port_filter.h ietf/ietf_attr_port_filter.c \
        ita/ita_attr_command.h ita/ita_attr_command.c \
        pa_tnc/pa_tnc_msg.h pa_tnc/pa_tnc_msg.c \
-       pa_tnc/pa_tnc_attr.h pa_tnc/pa_tnc_attr.c
+       pa_tnc/pa_tnc_attr.h pa_tnc/pa_tnc_attr.c \
+       tcg/tcg_attr.h tcg/tcg_attr.c
 
 SUBDIRS = .
 
@@ -32,4 +33,11 @@ endif
 
 if USE_IMV_SCANNER
   SUBDIRS += plugins/imv_scanner
+
+if USE_IMC_ATTESTATION
+  SUBDIRS += plugins/imc_attestation
+endif
+
+if USE_IMV_ATTESTATION
+  SUBDIRS += plugins/imv_attestation
 endif
diff --git a/src/libimcv/plugins/imc_attestation/Makefile.am b/src/libimcv/plugins/imc_attestation/Makefile.am
new file mode 100644 (file)
index 0000000..e5ba876
--- /dev/null
@@ -0,0 +1,16 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
+       -I$(top_srcdir)/src/libimcv
+
+AM_CFLAGS = -rdynamic
+
+plugin_LTLIBRARIES = libstrongswan-imc-attestation.la
+
+libstrongswan_imc_attestation_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
+       $(top_builddir)/src/libstrongswan/libstrongswan.la
+
+libstrongswan_imc_attestation_la_SOURCES = imc_attestation.c \
+       imc_attestation_state.h imc_attestation_state.c
+
+libstrongswan_imc_attestation_la_LDFLAGS = -module -avoid-version
+
diff --git a/src/libimcv/plugins/imc_attestation/imc_attestation.c b/src/libimcv/plugins/imc_attestation/imc_attestation.c
new file mode 100644 (file)
index 0000000..89735fc
--- /dev/null
@@ -0,0 +1,248 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "imc_attestation_state.h"
+
+#include <imc/imc_agent.h>
+#include <pa_tnc/pa_tnc_msg.h>
+#include <ietf/ietf_attr.h>
+#include <ietf/ietf_attr_pa_tnc_error.h>
+#include <tcg/tcg_attr.h>
+
+#include <pen/pen.h>
+
+#include <debug.h>
+
+/* IMC definitions */
+
+static const char imc_name[] = "Attestation";
+
+#define IMC_VENDOR_ID  PEN_ITA
+#define IMC_SUBTYPE            0x02
+
+static imc_agent_t *imc_attestation;
+/**
+ * see section 3.7.1 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
+                                                         TNC_Version min_version,
+                                                         TNC_Version max_version,
+                                                         TNC_Version *actual_version)
+{
+       if (imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
+               return TNC_RESULT_ALREADY_INITIALIZED;
+       }
+       imc_attestation = imc_agent_create(imc_name, IMC_VENDOR_ID, IMC_SUBTYPE,
+                                                               imc_id, actual_version);
+       if (!imc_attestation)
+       {
+               return TNC_RESULT_FATAL;
+       }
+       if (min_version > TNC_IFIMC_VERSION_1 || max_version < TNC_IFIMC_VERSION_1)
+       {
+               DBG1(DBG_IMC, "no common IF-IMC version");
+               return TNC_RESULT_NO_COMMON_VERSION;
+       }
+       return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 3.7.2 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
+                                                                                 TNC_ConnectionID connection_id,
+                                                                                 TNC_ConnectionState new_state)
+{
+       imc_state_t *state;
+       imc_attestation_state_t *test_state;
+
+       if (!imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       switch (new_state)
+       {
+               case TNC_CONNECTION_STATE_CREATE:
+                       state = imc_attestation_state_create(connection_id);
+                       return imc_attestation->create_state(imc_attestation, state);
+               case TNC_CONNECTION_STATE_DELETE:
+                       return imc_attestation->delete_state(imc_attestation, connection_id);
+               case TNC_CONNECTION_STATE_ACCESS_ISOLATED:
+               case TNC_CONNECTION_STATE_ACCESS_NONE:
+               default:
+                       return imc_attestation->change_state(imc_attestation, connection_id, new_state);
+       }
+}
+
+static TNC_Result send_message(TNC_ConnectionID connection_id)
+{
+       pa_tnc_msg_t *msg;
+       pa_tnc_attr_t *attr;
+       imc_state_t *state;
+       imc_attestation_state_t *test_state;
+       TNC_Result result;
+
+       if (!imc_attestation->get_state(imc_attestation, connection_id, &state))
+       {
+               return TNC_RESULT_FATAL;
+       }
+       test_state = (imc_attestation_state_t*)state;
+       msg = pa_tnc_msg_create();
+       /**
+        * add TCG PTS attributes
+        */
+       msg->build(msg);
+       result = imc_attestation->send_message(imc_attestation, connection_id,
+                                                                       msg->get_encoding(msg));        
+       msg->destroy(msg);
+
+       return result;
+}
+
+/**
+ * see section 3.7.3 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
+                                                                 TNC_ConnectionID connection_id)
+{
+       if (!imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       return send_message(connection_id);
+}
+
+/**
+ * see section 3.7.4 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_ReceiveMessage(TNC_IMCID imc_id,
+                                                                 TNC_ConnectionID connection_id,
+                                                                 TNC_BufferReference msg,
+                                                                 TNC_UInt32 msg_len,
+                                                                 TNC_MessageType msg_type)
+{
+       pa_tnc_msg_t *pa_tnc_msg;
+       pa_tnc_attr_t *attr;
+       enumerator_t *enumerator;
+       TNC_Result result;
+       bool fatal_error = FALSE;
+
+       if (!imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+
+       /* parse received PA-TNC message and automatically handle any errors */ 
+       result = imc_attestation->receive_message(imc_attestation, connection_id,
+                                                                          chunk_create(msg, msg_len), msg_type,
+                                                                          &pa_tnc_msg);
+
+       /* no parsed PA-TNC attributes available if an error occurred */
+       if (!pa_tnc_msg)
+       {
+               return result;
+       }
+
+       /* analyze PA-TNC attributes */
+       enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg);
+       while (enumerator->enumerate(enumerator, &attr))
+       {
+               if (attr->get_vendor_id(attr) == PEN_IETF &&
+                       attr->get_type(attr) == IETF_ATTR_PA_TNC_ERROR)
+               {
+                       ietf_attr_pa_tnc_error_t *error_attr;
+                       pa_tnc_error_code_t error_code;
+                       chunk_t msg_info, attr_info;
+
+                       error_attr = (ietf_attr_pa_tnc_error_t*)attr;
+                       error_code = error_attr->get_error_code(error_attr);
+                       msg_info = error_attr->get_msg_info(error_attr);
+
+                       DBG1(DBG_IMC, "received PA-TNC error '%N' concerning message %#B",
+                                pa_tnc_error_code_names, error_code, &msg_info);
+                       switch (error_code)
+                       {
+                               case PA_ERROR_ATTR_TYPE_NOT_SUPPORTED:
+                                       attr_info = error_attr->get_attr_info(error_attr);
+                                       DBG1(DBG_IMC, "  unsupported attribute %#B", &attr_info);
+                                       break;
+                               default:
+                                       break;
+                       }
+                       fatal_error = TRUE;
+               }
+               else if (attr->get_vendor_id(attr) == PEN_TCG)
+               {
+                       /**
+                        * Handle TCG PTS attributes
+                        */
+               }
+       }
+       enumerator->destroy(enumerator);
+       pa_tnc_msg->destroy(pa_tnc_msg);
+
+       /* if no error occurred then always return the same response */
+       return fatal_error ? TNC_RESULT_FATAL : send_message(connection_id);
+}
+
+/**
+ * see section 3.7.5 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_BatchEnding(TNC_IMCID imc_id,
+                                                          TNC_ConnectionID connection_id)
+{
+       if (!imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 3.7.6 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_Terminate(TNC_IMCID imc_id)
+{
+       if (!imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       imc_attestation->destroy(imc_attestation);
+       imc_attestation = NULL;
+
+       return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 4.2.8.1 of TCG TNC IF-IMC Specification 1.2
+ */
+TNC_Result TNC_IMC_ProvideBindFunction(TNC_IMCID imc_id,
+                                                                          TNC_TNCC_BindFunctionPointer bind_function)
+{
+       if (!imc_attestation)
+       {
+               DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       return imc_attestation->bind_functions(imc_attestation, bind_function);
+}
diff --git a/src/libimcv/plugins/imc_attestation/imc_attestation_state.c b/src/libimcv/plugins/imc_attestation/imc_attestation_state.c
new file mode 100644 (file)
index 0000000..19a8a1b
--- /dev/null
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "imc_attestation_state.h"
+
+#include <debug.h>
+
+typedef struct private_imc_attestation_state_t private_imc_attestation_state_t;
+
+/**
+ * Private data of an imc_attestation_state_t object.
+ */
+struct private_imc_attestation_state_t {
+
+       /**
+        * Public members of imc_attestation_state_t
+        */
+       imc_attestation_state_t public;
+
+       /**
+        * TNCCS connection ID
+        */
+       TNC_ConnectionID connection_id;
+
+       /**
+        * TNCCS connection state
+        */
+       TNC_ConnectionState state;
+
+};
+
+METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
+       private_imc_attestation_state_t *this)
+{
+       return this->connection_id;
+}
+
+METHOD(imc_state_t, change_state, void,
+       private_imc_attestation_state_t *this, TNC_ConnectionState new_state)
+{
+       this->state = new_state;
+}
+
+METHOD(imc_state_t, destroy, void,
+       private_imc_attestation_state_t *this)
+{
+       free(this);
+}
+
+/**
+ * Described in header.
+ */
+imc_state_t *imc_attestation_state_create(TNC_ConnectionID connection_id)
+{
+       private_imc_attestation_state_t *this;
+
+       INIT(this,
+               .public = {
+                       .interface = {
+                               .get_connection_id = _get_connection_id,
+                               .change_state = _change_state,
+                               .destroy = _destroy,
+                       },
+               },
+               .state = TNC_CONNECTION_STATE_CREATE,
+               .connection_id = connection_id,
+       );
+       
+       return &this->public.interface;
+}
+
+
diff --git a/src/libimcv/plugins/imc_attestation/imc_attestation_state.h b/src/libimcv/plugins/imc_attestation/imc_attestation_state.h
new file mode 100644 (file)
index 0000000..1001c78
--- /dev/null
@@ -0,0 +1,48 @@
+/*
+ * Copyright (C) 2011 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+/**
+ *
+ * @defgroup imc_attestation_state_t imc_attestation_state
+ * @{ @ingroup imc_attestation_state
+ */
+
+#ifndef IMC_ATTESTATION_STATE_H_
+#define IMC_ATTESTATION_STATE_H_
+
+#include <imc/imc_state.h>
+#include <library.h>
+
+typedef struct imc_attestation_state_t imc_attestation_state_t;
+
+/**
+ * Internal state of an imc_attestation_t connection instance
+ */
+struct imc_attestation_state_t {
+
+       /**
+        * imc_state_t interface
+        */
+       imc_state_t interface;
+};
+
+/**
+ * Create an imc_attestation_state_t instance
+ *
+ * @param id           connection ID
+ * @param rounds       total number of IMC re-measurements
+ */
+imc_state_t* imc_attestation_state_create(TNC_ConnectionID id);
+
+#endif /** IMC_ATTESTATION_STATE_H_ @}*/
diff --git a/src/libimcv/plugins/imv_attestation/Makefile.am b/src/libimcv/plugins/imv_attestation/Makefile.am
new file mode 100644 (file)
index 0000000..97c7346
--- /dev/null
@@ -0,0 +1,16 @@
+
+INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
+       -I$(top_srcdir)/src/libimcv
+
+AM_CFLAGS = -rdynamic
+
+plugin_LTLIBRARIES = libstrongswan-imv-attestation.la
+
+libstrongswan_imv_attestation_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
+       $(top_builddir)/src/libstrongswan/libstrongswan.la
+
+libstrongswan_imv_attestation_la_SOURCES = imv_attestation.c \
+       imv_attestation_state.h imv_attestation_state.c
+
+libstrongswan_imv_attestation_la_LDFLAGS = -module -avoid-version
+
diff --git a/src/libimcv/plugins/imv_attestation/imv_attestation.c b/src/libimcv/plugins/imv_attestation/imv_attestation.c
new file mode 100644 (file)
index 0000000..b594378
--- /dev/null
@@ -0,0 +1,265 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "imv_attestation_state.h"
+
+#include <imv/imv_agent.h>
+#include <pa_tnc/pa_tnc_msg.h>
+#include <ietf/ietf_attr.h>
+#include <ietf/ietf_attr_pa_tnc_error.h>
+#include <tcg/tcg_attr.h>
+
+#include <pen/pen.h>
+
+#include <debug.h>
+
+/* IMV definitions */
+
+static const char imv_name[] = "Attestation";
+
+#define IMV_VENDOR_ID  PEN_ITA
+#define IMV_SUBTYPE            0x02
+
+static imv_agent_t *imv_attestation;
+
+/**
+ * see section 3.7.1 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
+                                                         TNC_Version min_version,
+                                                         TNC_Version max_version,
+                                                         TNC_Version *actual_version)
+{
+       if (imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has already been initialized", imv_name);
+               return TNC_RESULT_ALREADY_INITIALIZED;
+       }
+       imv_attestation = imv_agent_create(imv_name, IMV_VENDOR_ID, IMV_SUBTYPE,
+                                                               imv_id, actual_version);
+       if (!imv_attestation)
+       {
+               return TNC_RESULT_FATAL;
+       }
+       if (min_version > TNC_IFIMV_VERSION_1 || max_version < TNC_IFIMV_VERSION_1)
+       {
+               DBG1(DBG_IMV, "no common IF-IMV version");
+               return TNC_RESULT_NO_COMMON_VERSION;
+       }
+       return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 3.7.2 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_NotifyConnectionChange(TNC_IMVID imv_id,
+                                                                                 TNC_ConnectionID connection_id,
+                                                                                 TNC_ConnectionState new_state)
+{
+       imv_state_t *state;
+       imv_attestation_state_t *attestation_state;
+
+       if (!imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       switch (new_state)
+       {
+               case TNC_CONNECTION_STATE_CREATE:
+                       state = imv_attestation_state_create(connection_id);
+                       return imv_attestation->create_state(imv_attestation, state);
+               case TNC_CONNECTION_STATE_DELETE:
+                       return imv_attestation->delete_state(imv_attestation, connection_id);
+               case TNC_CONNECTION_STATE_HANDSHAKE:
+                       if (!imv_attestation->get_state(imv_attestation, connection_id, &state))
+                       {
+                               return TNC_RESULT_FATAL;
+                       }
+                       state->change_state(state, new_state);
+                       attestation_state = (imv_attestation_state_t*)state;
+                       /**
+                        * do any attestation specific configuration here
+                        */
+                       return TNC_RESULT_SUCCESS;
+               default:
+                       return imv_attestation->change_state(imv_attestation, connection_id, new_state);
+       }
+}
+
+static TNC_Result send_message(TNC_ConnectionID connection_id)
+{
+       pa_tnc_msg_t *msg;
+       pa_tnc_attr_t *attr;
+       TNC_Result result;
+
+       msg = pa_tnc_msg_create();
+       /**
+        * add TCG PTS attributes
+        */
+       msg->build(msg);
+       result = imv_attestation->send_message(imv_attestation, connection_id,
+                                                                       msg->get_encoding(msg));        
+       msg->destroy(msg);
+
+       return result;
+}
+
+/**
+ * see section 3.7.3 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_ReceiveMessage(TNC_IMVID imv_id,
+                                                                 TNC_ConnectionID connection_id,
+                                                                 TNC_BufferReference msg,
+                                                                 TNC_UInt32 msg_len,
+                                                                 TNC_MessageType msg_type)
+{
+       pa_tnc_msg_t *pa_tnc_msg;
+       pa_tnc_attr_t *attr;
+       imv_state_t *state;
+       imv_attestation_state_t *imv_attestation_state;
+       enumerator_t *enumerator;
+       TNC_Result result;
+       bool fatal_error = FALSE;
+
+       if (!imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+
+       /* get current IMV state */
+       if (!imv_attestation->get_state(imv_attestation, connection_id, &state))
+       {
+               return TNC_RESULT_FATAL;
+       }
+
+       /* parse received PA-TNC message and automatically handle any errors */ 
+       result = imv_attestation->receive_message(imv_attestation, connection_id,
+                                                                          chunk_create(msg, msg_len), msg_type,
+                                                                          &pa_tnc_msg);
+
+       /* no parsed PA-TNC attributes available if an error occurred */
+       if (!pa_tnc_msg)
+       {
+               return result;
+       }
+
+       /* analyze PA-TNC attributes */
+       enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg);
+       while (enumerator->enumerate(enumerator, &attr))
+       {
+               if (attr->get_vendor_id(attr) == PEN_IETF &&
+                       attr->get_type(attr) == IETF_ATTR_PA_TNC_ERROR)
+               {
+                       ietf_attr_pa_tnc_error_t *error_attr;
+                       pa_tnc_error_code_t error_code;
+                       chunk_t msg_info, attr_info;
+
+                       error_attr = (ietf_attr_pa_tnc_error_t*)attr;
+                       error_code = error_attr->get_error_code(error_attr);
+                       msg_info = error_attr->get_msg_info(error_attr);
+
+                       DBG1(DBG_IMV, "received PA-TNC error '%N' concerning message %#B",
+                                pa_tnc_error_code_names, error_code, &msg_info);
+                       switch (error_code)
+                       {
+                               case PA_ERROR_ATTR_TYPE_NOT_SUPPORTED:
+                                       attr_info = error_attr->get_attr_info(error_attr);
+                                       DBG1(DBG_IMV, "  unsupported attribute %#B", &attr_info);
+                                       break;
+                               default:
+                                       break;
+                       }
+                       fatal_error = TRUE;
+               }
+               else if (attr->get_vendor_id(attr) == PEN_TCG)
+               {
+                       /**
+                        * Handle TCG PTS attributes
+                        */
+               }
+       }
+       enumerator->destroy(enumerator);
+       pa_tnc_msg->destroy(pa_tnc_msg);
+
+       if (fatal_error)
+       {
+               state->set_recommendation(state,
+                                                               TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
+                                                               TNC_IMV_EVALUATION_RESULT_ERROR);                         
+               return imv_attestation->provide_recommendation(imv_attestation, connection_id);
+       }
+
+       return imv_attestation->provide_recommendation(imv_attestation, connection_id);
+}
+
+/**
+ * see section 3.7.4 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_SolicitRecommendation(TNC_IMVID imv_id,
+                                                                                TNC_ConnectionID connection_id)
+{
+       if (!imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       return imv_attestation->provide_recommendation(imv_attestation, connection_id);
+}
+
+/**
+ * see section 3.7.5 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_BatchEnding(TNC_IMVID imv_id,
+                                                          TNC_ConnectionID connection_id)
+{
+       if (!imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 3.7.6 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_Terminate(TNC_IMVID imv_id)
+{
+       if (!imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       imv_attestation->destroy(imv_attestation);
+       imv_attestation = NULL;
+
+       return TNC_RESULT_SUCCESS;
+}
+
+/**
+ * see section 4.2.8.1 of TCG TNC IF-IMV Specification 1.2
+ */
+TNC_Result TNC_IMV_ProvideBindFunction(TNC_IMVID imv_id,
+                                                                          TNC_TNCS_BindFunctionPointer bind_function)
+{
+       if (!imv_attestation)
+       {
+               DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
+               return TNC_RESULT_NOT_INITIALIZED;
+       }
+       return imv_attestation->bind_functions(imv_attestation, bind_function);
+}
diff --git a/src/libimcv/plugins/imv_attestation/imv_attestation_state.c b/src/libimcv/plugins/imv_attestation/imv_attestation_state.c
new file mode 100644 (file)
index 0000000..3c278a6
--- /dev/null
@@ -0,0 +1,177 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "imv_attestation_state.h"
+
+#include <utils/lexparser.h>
+#include <debug.h>
+
+typedef struct private_imv_attestation_state_t private_imv_attestation_state_t;
+
+/**
+ * Private data of an imv_attestation_state_t object.
+ */
+struct private_imv_attestation_state_t {
+
+       /**
+        * Public members of imv_attestation_state_t
+        */
+       imv_attestation_state_t public;
+
+       /**
+        * TNCCS connection ID
+        */
+       TNC_ConnectionID connection_id;
+
+       /**
+        * TNCCS connection state
+        */
+       TNC_ConnectionState state;
+
+       /**
+        * IMV action recommendation
+        */
+       TNC_IMV_Action_Recommendation rec;
+
+       /**
+        * IMV evaluation result
+        */
+       TNC_IMV_Evaluation_Result eval;
+};
+
+typedef struct entry_t entry_t;
+
+/**
+ * Define an internal reason string entry
+ */
+struct entry_t {
+       char *lang;
+       char *string;
+};
+
+/**
+ * Table of multi-lingual reason string entries 
+ */
+static entry_t reasons[] = {
+       { "en", "IMC Attestation ..." },
+       { "mn", "IMC Attestation ..." },
+       { "de", "IMC Attestation ..." },
+};
+
+METHOD(imv_state_t, get_connection_id, TNC_ConnectionID,
+       private_imv_attestation_state_t *this)
+{
+       return this->connection_id;
+}
+
+METHOD(imv_state_t, change_state, void,
+       private_imv_attestation_state_t *this, TNC_ConnectionState new_state)
+{
+       this->state = new_state;
+}
+
+METHOD(imv_state_t, get_recommendation, void,
+       private_imv_attestation_state_t *this, TNC_IMV_Action_Recommendation *rec,
+                                                                       TNC_IMV_Evaluation_Result *eval)
+{
+       *rec = this->rec;
+       *eval = this->eval;
+}
+
+METHOD(imv_state_t, set_recommendation, void,
+       private_imv_attestation_state_t *this, TNC_IMV_Action_Recommendation rec,
+                                                                       TNC_IMV_Evaluation_Result eval)
+{
+       this->rec = rec;
+       this->eval = eval;
+}
+
+METHOD(imv_state_t, get_reason_string, bool,
+       private_imv_attestation_state_t *this, chunk_t preferred_language,
+       chunk_t *reason_string, chunk_t *reason_language)
+{
+       chunk_t pref_lang, lang;
+       u_char *pos;
+       int i;
+
+       while (eat_whitespace(&preferred_language))
+       {
+               if (!extract_token(&pref_lang, ',', &preferred_language))
+               {
+                       /* last entry in a comma-separated list or single entry */
+                       pref_lang = preferred_language;
+               }
+
+               /* eat trailing whitespace */
+               pos = pref_lang.ptr + pref_lang.len - 1;
+               while (pref_lang.len && *pos-- == ' ')
+               {
+                       pref_lang.len--;
+               }
+
+               for (i = 0 ; i < countof(reasons); i++)
+               {
+                       lang = chunk_create(reasons[i].lang, strlen(reasons[i].lang));
+                       if (chunk_equals(lang, pref_lang))
+                       {
+                               *reason_language = lang;
+                               *reason_string = chunk_create(reasons[i].string, 
+                                                                               strlen(reasons[i].string));
+                               return TRUE;
+                       }
+               }
+       }
+
+       /* no preferred language match found - use the default language */
+       *reason_string =   chunk_create(reasons[0].string,
+                                                                       strlen(reasons[0].string));
+       *reason_language = chunk_create(reasons[0].lang, 
+                                                                       strlen(reasons[0].lang));
+       return TRUE;
+}
+
+METHOD(imv_state_t, destroy, void,
+       private_imv_attestation_state_t *this)
+{
+       free(this);
+}
+
+/**
+ * Described in header.
+ */
+imv_state_t *imv_attestation_state_create(TNC_ConnectionID connection_id)
+{
+       private_imv_attestation_state_t *this;
+
+       INIT(this,
+               .public = {
+                       .interface = {
+                               .get_connection_id = _get_connection_id,
+                               .change_state = _change_state,
+                               .get_recommendation = _get_recommendation,
+                               .set_recommendation = _set_recommendation,
+                               .get_reason_string = _get_reason_string,
+                               .destroy = _destroy,
+                       },
+               },
+               .state = TNC_CONNECTION_STATE_CREATE,
+               .rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
+               .eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
+       );
+       
+       return &this->public.interface;
+}
+
+
diff --git a/src/libimcv/plugins/imv_attestation/imv_attestation_state.h b/src/libimcv/plugins/imv_attestation/imv_attestation_state.h
new file mode 100644 (file)
index 0000000..b289884
--- /dev/null
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2011 Sansar Choinyambuu
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+/**
+ *
+ * @defgroup imv_attestation_state_t imv_attestation_state
+ * @{ @ingroup imv_attestation_state
+ */
+
+#ifndef IMV_ATTESTATION_STATE_H_
+#define IMV_ATTESTATION_STATE_H_
+
+#include <imv/imv_state.h>
+#include <library.h>
+
+typedef struct imv_attestation_state_t imv_attestation_state_t;
+
+/**
+ * Internal state of an imv_attestation_t connection instance
+ */
+struct imv_attestation_state_t {
+
+       /**
+        * imv_state_t interface
+        */
+       imv_state_t interface;
+
+       /**
+        * Add any setters and getters here
+        */
+};
+
+/**
+ * Create an imv_attestation_state_t instance
+ *
+ * @param id           connection ID
+ */
+imv_state_t* imv_attestation_state_create(TNC_ConnectionID id);
+
+#endif /** IMV_ATTESTATION_STATE_H_ @}*/
diff --git a/src/libimcv/tcg/tcg_attr.c b/src/libimcv/tcg/tcg_attr.c
new file mode 100644 (file)
index 0000000..1ff3b8b
--- /dev/null
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2011 Andreas Steffen, HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+#include "tcg_attr.h"
+
+ENUM_BEGIN(tcg_attr_names,     TCG_PTS_REQ_FUNCT_COMP_EVID,
+                                                       TCG_PTS_REQ_FUNCT_COMP_EVID,
+       "Request Functional Component Evidence");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_GEN_ATTEST_EVID,
+                                                       TCG_PTS_GEN_ATTEST_EVID,
+                                                       TCG_PTS_REQ_FUNCT_COMP_EVID,
+       "Generate Attestation Evidence");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_SIMPLE_COMP_EVID,
+                                                       TCG_PTS_SIMPLE_COMP_EVID,
+                                                       TCG_PTS_GEN_ATTEST_EVID,
+       "Simple Component Evidence");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_SIMPLE_EVID_FINAL,
+                                                       TCG_PTS_SIMPLE_EVID_FINAL,
+                                                       TCG_PTS_SIMPLE_COMP_EVID,
+       "Simple Evidence Final");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_VERIFICATION_RESULT,
+                                                       TCG_PTS_VERIFICATION_RESULT,
+                                                       TCG_PTS_SIMPLE_EVID_FINAL,
+       "Verification Result");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_INTEG_REPORT,
+                                                       TCG_PTS_INTEG_REPORT,
+                                                       TCG_PTS_VERIFICATION_RESULT,
+       "Integrity Report");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REQ_FILE_META,
+                                                       TCG_PTS_REQ_FILE_META,
+                                                       TCG_PTS_INTEG_REPORT,
+       "Request File Metadata");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_WIN_FILE_META,
+                                                       TCG_PTS_WIN_FILE_META,
+                                                       TCG_PTS_REQ_FILE_META,
+       "Windows-Style File Metadata");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_UNIX_FILE_META,
+                                                       TCG_PTS_UNIX_FILE_META,
+                                                       TCG_PTS_WIN_FILE_META,
+       "Unix-Style File Metadata");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REQ_REGISTRY_VALUE,
+                                                       TCG_PTS_REQ_REGISTRY_VALUE,
+                                                       TCG_PTS_UNIX_FILE_META,
+       "Request Registry Value");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REGISTRY_VALUE,
+                                                       TCG_PTS_REGISTRY_VALUE,
+                                                       TCG_PTS_REQ_REGISTRY_VALUE,
+       "Registry Value");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REQ_FILE_MEAS,
+                                                       TCG_PTS_REQ_FILE_MEAS,
+                                                       TCG_PTS_REGISTRY_VALUE,
+       "Request File Measurement");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_FILE_MEAS,
+                                                       TCG_PTS_FILE_MEAS,
+                                                       TCG_PTS_REQ_FILE_MEAS,
+       "File Measurement");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REQ_INTEG_MEAS_LOG,
+                                                       TCG_PTS_REQ_INTEG_MEAS_LOG,
+                                                       TCG_PTS_FILE_MEAS,
+       "Request Integrity Measurement Log");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_INTEG_MEAS_LOG,
+                                                       TCG_PTS_INTEG_MEAS_LOG,
+                                                       TCG_PTS_REQ_INTEG_MEAS_LOG,
+       "Integrity Measurement Log");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REQ_PROTO_CAPS,
+                                                       TCG_PTS_REQ_PROTO_CAPS,
+                                                       TCG_PTS_INTEG_MEAS_LOG,
+       "Request PTS Protocol Capabilities");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_PROTO_CAPS,
+                                                       TCG_PTS_PROTO_CAPS,
+                                                       TCG_PTS_REQ_PROTO_CAPS,
+       "PTS Protocol Capabilities");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_DH_NONCE_PARAMS_REQ,
+                                                       TCG_PTS_DH_NONCE_PARAMS_REQ,
+                                                       TCG_PTS_PROTO_CAPS,
+       "DH Nonce Parameters Request");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_DH_NONCE_PARAMS_RESP,
+                                                       TCG_PTS_DH_NONCE_PARAMS_RESP,
+                                                       TCG_PTS_DH_NONCE_PARAMS_REQ,
+       "DH Nonce Parameters Response");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_DH_NONCE_FINISH,
+                                                       TCG_PTS_DH_NONCE_FINISH,
+                                                       TCG_PTS_DH_NONCE_PARAMS_RESP,
+       "DH Nonce Finish");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_MEAS_ALGO,
+                                                       TCG_PTS_MEAS_ALGO,
+                                                       TCG_PTS_DH_NONCE_FINISH,
+       "PTS Measurement Algorithm Request");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_MEAS_ALGO_SELECTION,
+                                                       TCG_PTS_MEAS_ALGO_SELECTION,
+                                                       TCG_PTS_MEAS_ALGO,
+       "PTS Measurement Algorithm");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_GET_TPM_VERSION_INFO,
+                                                       TCG_PTS_GET_TPM_VERSION_INFO,
+                                                       TCG_PTS_MEAS_ALGO_SELECTION,
+       "Get TPM Version Information");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_TPM_VERSION_INFO,
+                                                       TCG_PTS_TPM_VERSION_INFO,
+                                                       TCG_PTS_GET_TPM_VERSION_INFO,
+       "TPM Version Information");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_REQ_TEMPL_REF_MANI_SET_META,
+                                                       TCG_PTS_REQ_TEMPL_REF_MANI_SET_META,
+                                                       TCG_PTS_TPM_VERSION_INFO,
+       "Request Template Reference Manifest Set Metadata");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_TEMPL_REF_MANI_SET_META,
+                                                       TCG_PTS_TEMPL_REF_MANI_SET_META,
+                                                       TCG_PTS_REQ_TEMPL_REF_MANI_SET_META,
+       "Template Reference Manifest Set Metadata");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_UPDATE_TEMPL_REF_MANI,
+                                                       TCG_PTS_UPDATE_TEMPL_REF_MANI,
+                                                       TCG_PTS_TEMPL_REF_MANI_SET_META,
+       "Update Template Reference Manifest");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_GET_AIK,
+                                                       TCG_PTS_GET_AIK,
+                                                       TCG_PTS_UPDATE_TEMPL_REF_MANI,
+       "Get Attestation Identity Key");
+ENUM_NEXT(tcg_attr_names,      TCG_PTS_AIK,
+                                                       TCG_PTS_AIK,
+                                                       TCG_PTS_GET_AIK,
+       "Attestation Identity Key");
+ENUM_END(tcg_attr_names,       TCG_PTS_AIK);
diff --git a/src/libimcv/tcg/tcg_attr.h b/src/libimcv/tcg/tcg_attr.h
new file mode 100644 (file)
index 0000000..9a5e06b
--- /dev/null
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2011 Andreas Steffen
+ * HSR Hochschule fuer Technik Rapperswil
+ *
+ * This program 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program 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.
+ */
+
+/**
+ * @defgroup tcg_attrt tcg_attr
+ * @{ @ingroup tcg_attr
+ */
+
+#ifndef TCG_ATTR_H_
+#define TCG_ATTR_H_
+
+#include <library.h>
+
+typedef enum tcg_attr_t tcg_attr_t;
+
+/**
+ * TCG PTS IF-M Attributes (section 4 of PTS PROTO: Binding to TNC IF-M)
+ */
+enum tcg_attr_t {
+
+       /* PTS Protocol Negotiations */
+       TCG_PTS_REQ_PROTO_CAPS =              0x01000000,
+       TCG_PTS_PROTO_CAPS =                  0x02000000,
+       TCG_PTS_DH_NONCE_PARAMS_REQ =         0x03000000,
+       TCG_PTS_DH_NONCE_PARAMS_RESP =        0x04000000,
+       TCG_PTS_DH_NONCE_FINISH =             0x05000000,
+       TCG_PTS_MEAS_ALGO =                   0x06000000,
+       TCG_PTS_MEAS_ALGO_SELECTION =         0x07000000,
+       TCG_PTS_GET_TPM_VERSION_INFO =        0x08000000,
+       TCG_PTS_TPM_VERSION_INFO =            0x09000000,
+       TCG_PTS_REQ_TEMPL_REF_MANI_SET_META = 0x0A000000,
+       TCG_PTS_TEMPL_REF_MANI_SET_META =     0x0B000000,
+       TCG_PTS_UPDATE_TEMPL_REF_MANI =       0x0C000000,
+       TCG_PTS_GET_AIK =                     0x0D000000,
+       TCG_PTS_AIK =                         0x0E000000,
+
+       /* PTS-based Attestation Evidence */
+       TCG_PTS_REQ_FUNCT_COMP_EVID =         0x00100000,
+       TCG_PTS_GEN_ATTEST_EVID =             0x00200000,
+    TCG_PTS_SIMPLE_COMP_EVID =            0x00300000,
+       TCG_PTS_SIMPLE_EVID_FINAL =           0x00400000,
+       TCG_PTS_VERIFICATION_RESULT =         0x00500000,
+       TCG_PTS_INTEG_REPORT =                0x00600000,
+       TCG_PTS_REQ_FILE_META =               0x00700000,
+       TCG_PTS_WIN_FILE_META =               0x00800000,
+       TCG_PTS_UNIX_FILE_META =              0x00900000,
+       TCG_PTS_REQ_REGISTRY_VALUE =          0x00A00000,
+       TCG_PTS_REGISTRY_VALUE =              0x00B00000,
+       TCG_PTS_REQ_FILE_MEAS =               0x00C00000,
+       TCG_PTS_FILE_MEAS =                   0x00D00000,
+       TCG_PTS_REQ_INTEG_MEAS_LOG =          0x00E00000,
+       TCG_PTS_INTEG_MEAS_LOG =              0x00F00000,
+};
+
+/**
+ * enum name for tcg_attr_t.
+ */
+extern enum_name_t *tcg_attr_names;
+
+#endif /** TCG_ATTR_H_ @}*/