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created OS IMC/IMV pair

This commit is contained in:
Andreas Steffen 2012-10-09 23:58:17 +02:00
parent 49f0f7e7ca
commit e9f47ee2d5
12 changed files with 1242 additions and 2 deletions
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8
configure.in
View File

@ -170,6 +170,8 @@ ARG_ENABL_SET([imc-test], [enable IMC test module.])
ARG_ENABL_SET([imv-test], [enable IMV test module.])
ARG_ENABL_SET([imc-scanner], [enable IMC port scanner module.])
ARG_ENABL_SET([imv-scanner], [enable IMV port scanner module.])
ARG_ENABL_SET([imc-os], [enable IMC operating system module.])
ARG_ENABL_SET([imv-os], [enable IMV operating system module.])
ARG_ENABL_SET([imc-attestation],[enable IMC attestation module.])
ARG_ENABL_SET([imv-attestation],[enable IMV attestation module.])
ARG_DISBL_SET([kernel-netlink], [disable the netlink kernel interface.])
@ -293,7 +295,7 @@ if test x$tnc_imc = xtrue -o x$tnc_imv = xtrue -o x$tnccs_11 = xtrue -o x$tnccs_
tnc_tnccs=true;
fi
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
if test x$imc_test = xtrue -o x$imv_test = xtrue -o x$imc_scanner = xtrue -o x$imv_scanner = xtrue -o x$imc_os = xtrue -o x$imv_os = xtrue -o x$imc_attestation = xtrue -o x$imv_attestation = xtrue; then
imcv=true;
fi
@ -1074,6 +1076,8 @@ AM_CONDITIONAL(USE_IMC_TEST, test x$imc_test = xtrue)
AM_CONDITIONAL(USE_IMV_TEST, test x$imv_test = xtrue)
AM_CONDITIONAL(USE_IMC_SCANNER, test x$imc_scanner = xtrue)
AM_CONDITIONAL(USE_IMV_SCANNER, test x$imv_scanner = xtrue)
AM_CONDITIONAL(USE_IMC_OS, test x$imc_os = xtrue)
AM_CONDITIONAL(USE_IMV_OS, test x$imv_os = xtrue)
AM_CONDITIONAL(USE_IMC_ATTESTATION, test x$imc_attestation = xtrue)
AM_CONDITIONAL(USE_IMV_ATTESTATION, test x$imv_attestation = xtrue)
AM_CONDITIONAL(USE_SOCKET_DEFAULT, test x$socket_default = xtrue)
@ -1220,6 +1224,8 @@ AC_OUTPUT(
src/libimcv/plugins/imv_test/Makefile
src/libimcv/plugins/imc_scanner/Makefile
src/libimcv/plugins/imv_scanner/Makefile
src/libimcv/plugins/imc_os/Makefile
src/libimcv/plugins/imv_os/Makefile
src/charon/Makefile
src/charon-nm/Makefile
src/libcharon/Makefile

10
src/libimcv/Makefile.am
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@ -39,4 +39,12 @@ endif
if USE_IMV_SCANNER
SUBDIRS += plugins/imv_scanner
endif
endif
if USE_IMC_OS
SUBDIRS += plugins/imc_os
endif
if USE_IMV_OS
SUBDIRS += plugins/imv_os
endif

15
src/libimcv/plugins/imc_os/Makefile.am Normal file
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@ -0,0 +1,15 @@
INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
-I$(top_srcdir)/src/libimcv
AM_CFLAGS = -rdynamic
imcv_LTLIBRARIES = imc-os.la
imc_os_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
$(top_builddir)/src/libstrongswan/libstrongswan.la
imc_os_la_SOURCES = imc_os.c imc_os_state.h imc_os_state.c
imc_os_la_LDFLAGS = -module -avoid-version

362
src/libimcv/plugins/imc_os/imc_os.c Normal file
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@ -0,0 +1,362 @@
/*
* Copyright (C) 2011-2012 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 "imc_os_state.h"
#include <imc/imc_agent.h>
#include <pa_tnc/pa_tnc_msg.h>
#include <ietf/ietf_attr.h>
#include <ietf/ietf_attr_attr_request.h>
#include <ietf/ietf_attr_product_info.h>
#include <ietf/ietf_attr_installed_packages.h>
#include <ietf/ietf_attr_pa_tnc_error.h>
#include <ietf/ietf_attr_assess_result.h>
#include <tncif_pa_subtypes.h>
#include <pen/pen.h>
#include <debug.h>
#include <stdio.h>
/* IMC definitions */
static const char imc_name[] = "OS";
#define IMC_VENDOR_ID PEN_IETF
#define IMC_SUBTYPE PA_SUBTYPE_IETF_OPERATING_SYSTEM
static imc_agent_t *imc_os;
/**
* see section 3.8.1 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_Initialize(TNC_IMCID imc_id,
TNC_Version min_version,
TNC_Version max_version,
TNC_Version *actual_version)
{
if (imc_os)
{
DBG1(DBG_IMC, "IMC \"%s\" has already been initialized", imc_name);
return TNC_RESULT_ALREADY_INITIALIZED;
}
imc_os = imc_agent_create(imc_name, IMC_VENDOR_ID, IMC_SUBTYPE,
imc_id, actual_version);
if (!imc_os)
{
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 3.8.2 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_ConnectionState new_state)
{
imc_state_t *state;
if (!imc_os)
{
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_os_state_create(connection_id);
return imc_os->create_state(imc_os, state);
case TNC_CONNECTION_STATE_HANDSHAKE:
if (imc_os->change_state(imc_os, connection_id, new_state,
&state) != TNC_RESULT_SUCCESS)
{
return TNC_RESULT_FATAL;
}
state->set_result(state, imc_id,
TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
return TNC_RESULT_SUCCESS;
case TNC_CONNECTION_STATE_DELETE:
return imc_os->delete_state(imc_os, connection_id);
default:
return imc_os->change_state(imc_os, connection_id,
new_state, NULL);
}
}
/**
* Add an IETF Product Information attribute to the send queue
*/
static void add_product_info(linked_list_t *attr_list)
{
pa_tnc_attr_t *attr;
attr = ietf_attr_product_info_create(PEN_IETF, 0, "Ubuntu 12.04 LTS i686");
attr_list->insert_last(attr_list, attr);
}
/**
* Add an IETF Installed Packages attribute to the send queue
*/
static void add_installed_packages(linked_list_t *attr_list)
{
pa_tnc_attr_t *attr;
ietf_attr_installed_packages_t *attr_cast;
chunk_t libc_name = { "libc-bin", 8 };
chunk_t libc_version = { "2.15-0ubuntu10.2", 16 };
chunk_t selinux_name = { "selinux", 7 };
chunk_t selinux_version = { "1:0.11", 6 };
attr = ietf_attr_installed_packages_create();
attr_cast = (ietf_attr_installed_packages_t*)attr;
attr_cast->add(attr_cast, libc_name, libc_version);
attr_cast->add(attr_cast, selinux_name, selinux_version);
attr_list->insert_last(attr_list, attr);
}
/**
* see section 3.8.3 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
TNC_ConnectionID connection_id)
{
TNC_Result result = TNC_RESULT_SUCCESS;
if (!imc_os)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
if (lib->settings->get_bool(lib->settings,
"libimcv.plugins.imc-os.send_product_info", TRUE))
{
linked_list_t *attr_list;
attr_list = linked_list_create();
add_product_info(attr_list);
result = imc_os->send_message(imc_os, connection_id, FALSE, 0,
TNC_IMVID_ANY, attr_list);
attr_list->destroy(attr_list);
}
return result;
}
static TNC_Result receive_message(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_UInt32 msg_flags,
chunk_t msg,
TNC_VendorID msg_vid,
TNC_MessageSubtype msg_subtype,
TNC_UInt32 src_imv_id,
TNC_UInt32 dst_imc_id)
{
pa_tnc_msg_t *pa_tnc_msg;
pa_tnc_attr_t *attr;
pen_type_t attr_type;
linked_list_t *attr_list;
imc_state_t *state;
enumerator_t *enumerator;
TNC_Result result;
TNC_UInt32 target_imc_id;
bool fatal_error;
if (!imc_os)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
/* get current IMC state */
if (!imc_os->get_state(imc_os, connection_id, &state))
{
return TNC_RESULT_FATAL;
}
/* parse received PA-TNC message and automatically handle any errors */
result = imc_os->receive_message(imc_os, state, msg, msg_vid,
msg_subtype, src_imv_id, dst_imc_id, &pa_tnc_msg);
/* no parsed PA-TNC attributes available if an error occurred */
if (!pa_tnc_msg)
{
return result;
}
target_imc_id = (dst_imc_id == TNC_IMCID_ANY) ? imc_id : dst_imc_id;
/* preprocess any IETF standard error attributes */
fatal_error = pa_tnc_msg->process_ietf_std_errors(pa_tnc_msg);
/* analyze PA-TNC attributes */
attr_list = linked_list_create();
enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg);
while (enumerator->enumerate(enumerator, &attr))
{
attr_type = attr->get_type(attr);
if (attr_type.vendor_id != PEN_IETF)
{
continue;
}
if (attr_type.type == IETF_ATTR_ATTRIBUTE_REQUEST)
{
ietf_attr_attr_request_t *attr_cast;
pen_type_t *entry;
enumerator_t *e;
attr_cast = (ietf_attr_attr_request_t*)attr;
e = attr_cast->create_enumerator(attr_cast);
while (e->enumerate(e, &entry))
{
if (entry->vendor_id != PEN_IETF)
{
continue;
}
switch (entry->type)
{
case IETF_ATTR_PRODUCT_INFORMATION:
add_product_info(attr_list);
break;
case IETF_ATTR_INSTALLED_PACKAGES:
add_installed_packages(attr_list);
break;
default:
break;
}
}
e->destroy(e);
}
else if (attr_type.type == IETF_ATTR_ASSESSMENT_RESULT)
{
ietf_attr_assess_result_t *attr_cast;
attr_cast = (ietf_attr_assess_result_t*)attr;
state->set_result(state, target_imc_id,
attr_cast->get_result(attr_cast));
}
}
enumerator->destroy(enumerator);
pa_tnc_msg->destroy(pa_tnc_msg);
if (fatal_error)
{
attr_list->destroy_offset(attr_list, offsetof(pa_tnc_attr_t, destroy));
return TNC_RESULT_FATAL;
}
if (attr_list->get_count(attr_list))
{
result = imc_os->send_message(imc_os, connection_id, TRUE, imc_id,
src_imv_id, attr_list);
}
else
{
result = TNC_RESULT_SUCCESS;
}
attr_list->destroy(attr_list);
return result;
}
/**
* see section 3.8.4 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_ReceiveMessage(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_MessageType msg_type)
{
TNC_VendorID msg_vid;
TNC_MessageSubtype msg_subtype;
msg_vid = msg_type >> 8;
msg_subtype = msg_type & TNC_SUBTYPE_ANY;
return receive_message(imc_id, connection_id, 0, chunk_create(msg, msg_len),
msg_vid, msg_subtype, 0, TNC_IMCID_ANY);
}
/**
* see section 3.8.6 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMC_ReceiveMessageLong(TNC_IMCID imc_id,
TNC_ConnectionID connection_id,
TNC_UInt32 msg_flags,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_VendorID msg_vid,
TNC_MessageSubtype msg_subtype,
TNC_UInt32 src_imv_id,
TNC_UInt32 dst_imc_id)
{
return receive_message(imc_id, connection_id, msg_flags,
chunk_create(msg, msg_len), msg_vid, msg_subtype,
src_imv_id, dst_imc_id);
}
/**
* see section 3.8.7 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_BatchEnding(TNC_IMCID imc_id,
TNC_ConnectionID connection_id)
{
if (!imc_os)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return TNC_RESULT_SUCCESS;
}
/**
* see section 3.8.8 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_Terminate(TNC_IMCID imc_id)
{
if (!imc_os)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
imc_os->destroy(imc_os);
imc_os = NULL;
return TNC_RESULT_SUCCESS;
}
/**
* see section 4.2.8.1 of TCG TNC IF-IMC Specification 1.3
*/
TNC_Result TNC_IMC_ProvideBindFunction(TNC_IMCID imc_id,
TNC_TNCC_BindFunctionPointer bind_function)
{
if (!imc_os)
{
DBG1(DBG_IMC, "IMC \"%s\" has not been initialized", imc_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return imc_os->bind_functions(imc_os, bind_function);
}

164
src/libimcv/plugins/imc_os/imc_os_state.c Normal file
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@ -0,0 +1,164 @@
/*
* Copyright (C) 2012 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 "imc_os_state.h"
#include <tncif_names.h>
#include <debug.h>
typedef struct private_imc_os_state_t private_imc_os_state_t;
/**
* Private data of an imc_os_state_t object.
*/
struct private_imc_os_state_t {
/**
* Public members of imc_os_state_t
*/
imc_os_state_t public;
/**
* TNCCS connection ID
*/
TNC_ConnectionID connection_id;
/**
* TNCCS connection state
*/
TNC_ConnectionState state;
/**
* Assessment/Evaluation Result
*/
TNC_IMV_Evaluation_Result result;
/**
* Does the TNCCS connection support long message types?
*/
bool has_long;
/**
* Does the TNCCS connection support exclusive delivery?
*/
bool has_excl;
/**
* Maximum PA-TNC message size for this TNCCS connection
*/
u_int32_t max_msg_len;
};
METHOD(imc_state_t, get_connection_id, TNC_ConnectionID,
private_imc_os_state_t *this)
{
return this->connection_id;
}
METHOD(imc_state_t, has_long, bool,
private_imc_os_state_t *this)
{
return this->has_long;
}
METHOD(imc_state_t, has_excl, bool,
private_imc_os_state_t *this)
{
return this->has_excl;
}
METHOD(imc_state_t, set_flags, void,
private_imc_os_state_t *this, bool has_long, bool has_excl)
{
this->has_long = has_long;
this->has_excl = has_excl;
}
METHOD(imc_state_t, set_max_msg_len, void,
private_imc_os_state_t *this, u_int32_t max_msg_len)
{
this->max_msg_len = max_msg_len;
}
METHOD(imc_state_t, get_max_msg_len, u_int32_t,
private_imc_os_state_t *this)
{
return this->max_msg_len;
}
METHOD(imc_state_t, change_state, void,
private_imc_os_state_t *this, TNC_ConnectionState new_state)
{
this->state = new_state;
}
METHOD(imc_state_t, set_result, void,
private_imc_os_state_t *this, TNC_IMCID id,
TNC_IMV_Evaluation_Result result)
{
DBG1(DBG_IMC, "set assessment result for IMC %u to '%N'",
id, TNC_IMV_Evaluation_Result_names, result);
this->result = result;
}
METHOD(imc_state_t, get_result, bool,
private_imc_os_state_t *this, TNC_IMCID id,
TNC_IMV_Evaluation_Result *result)
{
if (result)
{
*result = this->result;
}
return this->result != TNC_IMV_EVALUATION_RESULT_DONT_KNOW;
}
METHOD(imc_state_t, destroy, void,
private_imc_os_state_t *this)
{
free(this);
}
/**
* Described in header.
*/
imc_state_t *imc_os_state_create(TNC_ConnectionID connection_id)
{
private_imc_os_state_t *this;
INIT(this,
.public = {
.interface = {
.get_connection_id = _get_connection_id,
.has_long = _has_long,
.has_excl = _has_excl,
.set_flags = _set_flags,
.set_max_msg_len = _set_max_msg_len,
.get_max_msg_len = _get_max_msg_len,
.change_state = _change_state,
.set_result = _set_result,
.get_result = _get_result,
.destroy = _destroy,
},
},
.state = TNC_CONNECTION_STATE_CREATE,
.result = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
.connection_id = connection_id,
);
return &this->public.interface;
}

48
src/libimcv/plugins/imc_os/imc_os_state.h Normal file
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@ -0,0 +1,48 @@
/*
* Copyright (C) 2012 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_os_state_t imc_os_state
* @{ @ingroup imc_os_state
*/
#ifndef IMC_OS_STATE_H_
#define IMC_OS_STATE_H_
#include <imc/imc_state.h>
#include <library.h>
typedef struct imc_os_state_t imc_os_state_t;
/**
* Internal state of an imc_os_t connection instance
*/
struct imc_os_state_t {
/**
* imc_state_t interface
*/
imc_state_t interface;
};
/**
* Create an imc_os_state_t instance
*
* @param id connection ID
*/
imc_state_t* imc_os_state_create(TNC_ConnectionID id);
#endif /** IMC_OS_STATE_H_ @}*/

15
src/libimcv/plugins/imv_os/Makefile.am Normal file
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@ -0,0 +1,15 @@
INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libtncif \
-I$(top_srcdir)/src/libimcv
AM_CFLAGS = -rdynamic
imcv_LTLIBRARIES = imv-os.la
imv_os_la_LIBADD = $(top_builddir)/src/libimcv/libimcv.la \
$(top_builddir)/src/libstrongswan/libstrongswan.la
imv_os_la_SOURCES = imv_os.c imv_os_state.h imv_os_state.c
imv_os_la_LDFLAGS = -module -avoid-version

339
src/libimcv/plugins/imv_os/imv_os.c Normal file
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@ -0,0 +1,339 @@
/*
* Copyright (C) 2012 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 "imv_os_state.h"
#include <imv/imv_agent.h>
#include <pa_tnc/pa_tnc_msg.h>
#include <ietf/ietf_attr.h>
#include <ietf/ietf_attr_attr_request.h>
#include <ietf/ietf_attr_product_info.h>
#include <ietf/ietf_attr_installed_packages.h>
#include <ietf/ietf_attr_pa_tnc_error.h>
#include <tncif_names.h>
#include <tncif_pa_subtypes.h>
#include <pen/pen.h>
#include <utils/linked_list.h>
#include <debug.h>
/* IMV definitions */
static const char imv_name[] = "OS";
#define IMV_VENDOR_ID PEN_IETF
#define IMV_SUBTYPE PA_SUBTYPE_IETF_OPERATING_SYSTEM
static imv_agent_t *imv_os;
/*
* see section 3.8.1 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_Initialize(TNC_IMVID imv_id,
TNC_Version min_version,
TNC_Version max_version,
TNC_Version *actual_version)
{
if (imv_os)
{
DBG1(DBG_IMV, "IMV \"%s\" has already been initialized", imv_name);
return TNC_RESULT_ALREADY_INITIALIZED;
}
imv_os = imv_agent_create(imv_name, IMV_VENDOR_ID, IMV_SUBTYPE,
imv_id, actual_version);
if (!imv_os)
{
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 3.8.2 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_NotifyConnectionChange(TNC_IMVID imv_id,
TNC_ConnectionID connection_id,
TNC_ConnectionState new_state)
{
imv_state_t *state;
if (!imv_os)
{
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_os_state_create(connection_id);
return imv_os->create_state(imv_os, state);
case TNC_CONNECTION_STATE_DELETE:
return imv_os->delete_state(imv_os, connection_id);
default:
return imv_os->change_state(imv_os, connection_id,
new_state, NULL);
}
}
static TNC_Result receive_message(TNC_IMVID imv_id,
TNC_ConnectionID connection_id,
TNC_UInt32 msg_flags,
chunk_t msg,
TNC_VendorID msg_vid,
TNC_MessageSubtype msg_subtype,
TNC_UInt32 src_imc_id,
TNC_UInt32 dst_imv_id)
{
pa_tnc_msg_t *pa_tnc_msg;
pa_tnc_attr_t *attr;
pen_type_t type;
linked_list_t *attr_list;
imv_state_t *state;
imv_os_state_t *os_state;
enumerator_t *enumerator;
TNC_Result result;
bool fatal_error, assessment = FALSE;
if (!imv_os)
{
DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
return TNC_RESULT_NOT_INITIALIZED;
}
/* get current IMV state */
if (!imv_os->get_state(imv_os, connection_id, &state))
{
return TNC_RESULT_FATAL;
}
os_state = (imv_os_state_t*)state;
/* parse received PA-TNC message and automatically handle any errors */
result = imv_os->receive_message(imv_os, state, msg, msg_vid,
msg_subtype, src_imc_id, dst_imv_id, &pa_tnc_msg);
/* no parsed PA-TNC attributes available if an error occurred */
if (!pa_tnc_msg)
{
return result;
}
/* preprocess any IETF standard error attributes */
fatal_error = pa_tnc_msg->process_ietf_std_errors(pa_tnc_msg);
/* analyze PA-TNC attributes */
attr_list = linked_list_create();
enumerator = pa_tnc_msg->create_attribute_enumerator(pa_tnc_msg);
while (enumerator->enumerate(enumerator, &attr))
{
type = attr->get_type(attr);
if (type.vendor_id != PEN_IETF)
{
continue;
}
switch (type.type)
{
case IETF_ATTR_PRODUCT_INFORMATION:
{
ietf_attr_product_info_t *attr_cast;
char *info;
attr_cast = (ietf_attr_product_info_t*)attr;
info = attr_cast->get_info(attr_cast, NULL, NULL);
os_state->set_info(os_state, info);
DBG1(DBG_IMV, "operating system is '%s'", info);
/* request installed packages */
attr = ietf_attr_attr_request_create(PEN_IETF,
IETF_ATTR_INSTALLED_PACKAGES);
attr_list->insert_last(attr_list, attr);
break;
}
case IETF_ATTR_INSTALLED_PACKAGES:
{
ietf_attr_installed_packages_t *attr_cast;
enumerator_t *e;
chunk_t name, version;
attr_cast = (ietf_attr_installed_packages_t*)attr;
e = attr_cast->create_enumerator(attr_cast);
while (e->enumerate(e, &name, &version))
{
DBG1(DBG_IMV, "package '%.*s' %.*s", name.len, name.ptr,
version.len, version.ptr);
}
e->destroy(e);
state->set_recommendation(state,
TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
TNC_IMV_EVALUATION_RESULT_COMPLIANT);
assessment = TRUE;
break;
}
default:
break;
}
}
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);
assessment = TRUE;
}
if (assessment)
{
attr_list->destroy_offset(attr_list, offsetof(pa_tnc_attr_t, destroy));
return imv_os->provide_recommendation(imv_os, connection_id, src_imc_id);
}
result = imv_os->send_message(imv_os, connection_id, TRUE, imv_id,
src_imc_id, attr_list);
attr_list->destroy(attr_list);
return result;
}
/**
* see section 3.8.4 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_ReceiveMessage(TNC_IMVID imv_id,
TNC_ConnectionID connection_id,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_MessageType msg_type)
{
TNC_VendorID msg_vid;
TNC_MessageSubtype msg_subtype;
msg_vid = msg_type >> 8;
msg_subtype = msg_type & TNC_SUBTYPE_ANY;
return receive_message(imv_id, connection_id, 0, chunk_create(msg, msg_len),
msg_vid, msg_subtype, 0, TNC_IMVID_ANY);
}
/**
* see section 3.8.6 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_ReceiveMessageLong(TNC_IMVID imv_id,
TNC_ConnectionID connection_id,
TNC_UInt32 msg_flags,
TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_VendorID msg_vid,
TNC_MessageSubtype msg_subtype,
TNC_UInt32 src_imc_id,
TNC_UInt32 dst_imv_id)
{
return receive_message(imv_id, connection_id, msg_flags,
chunk_create(msg, msg_len), msg_vid, msg_subtype,
src_imc_id, dst_imv_id);
}
/**
* see section 3.8.7 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_SolicitRecommendation(TNC_IMVID imv_id,
TNC_ConnectionID connection_id)
{
if (!imv_os)
{
DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return imv_os->provide_recommendation(imv_os, connection_id,
TNC_IMCID_ANY);
}
/**
* see section 3.8.8 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_BatchEnding(TNC_IMVID imv_id,
TNC_ConnectionID connection_id)
{
imv_state_t *state;
imv_os_state_t *os_state;
TNC_Result result = TNC_RESULT_SUCCESS;
if (!imv_os)
{
DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
return TNC_RESULT_NOT_INITIALIZED;
}
/* get current IMV state */
if (!imv_os->get_state(imv_os, connection_id, &state))
{
return TNC_RESULT_FATAL;
}
os_state = (imv_os_state_t*)state;
if (os_state->get_info(os_state) == NULL)
{
pa_tnc_attr_t *attr;
linked_list_t *attr_list;
attr_list = linked_list_create();
attr = ietf_attr_attr_request_create(PEN_IETF,
IETF_ATTR_PRODUCT_INFORMATION);
attr_list->insert_last(attr_list, attr);
result = imv_os->send_message(imv_os, connection_id, FALSE, imv_id,
TNC_IMCID_ANY, attr_list);
attr_list->destroy(attr_list);
}
return result;
}
/**
* see section 3.8.9 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_Terminate(TNC_IMVID imv_id)
{
if (!imv_os)
{
DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
return TNC_RESULT_NOT_INITIALIZED;
}
imv_os->destroy(imv_os);
imv_os = NULL;
return TNC_RESULT_SUCCESS;
}
/**
* see section 4.2.8.1 of TCG TNC IF-IMV Specification 1.3
*/
TNC_Result TNC_IMV_ProvideBindFunction(TNC_IMVID imv_id,
TNC_TNCS_BindFunctionPointer bind_function)
{
if (!imv_os)
{
DBG1(DBG_IMV, "IMV \"%s\" has not been initialized", imv_name);
return TNC_RESULT_NOT_INITIALIZED;
}
return imv_os->bind_functions(imv_os, bind_function);
}

212
src/libimcv/plugins/imv_os/imv_os_state.c Normal file
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@ -0,0 +1,212 @@
/*
* Copyright (C) 2012 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 "imv_os_state.h"
#include <debug.h>
typedef struct private_imv_os_state_t private_imv_os_state_t;
/**
* Private data of an imv_os_state_t object.
*/
struct private_imv_os_state_t {
/**
* Public members of imv_os_state_t
*/
imv_os_state_t public;
/**
* TNCCS connection ID
*/
TNC_ConnectionID connection_id;
/**
* TNCCS connection state
*/
TNC_ConnectionState state;
/**
* Does the TNCCS connection support long message types?
*/
bool has_long;
/**
* Does the TNCCS connection support exclusive delivery?
*/
bool has_excl;
/**
* Maximum PA-TNC message size for this TNCCS connection
*/
u_int32_t max_msg_len;
/**
* IMV action recommendation
*/
TNC_IMV_Action_Recommendation rec;
/**
* IMV evaluation result
*/
TNC_IMV_Evaluation_Result eval;
/**
* OS Product Information
*/
char *info;
};
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", "" },
{ "de", "" },
{ "fr", "" },
{ "pl", "" }
};
METHOD(imv_state_t, get_connection_id, TNC_ConnectionID,
private_imv_os_state_t *this)
{
return this->connection_id;
}
METHOD(imv_state_t, has_long, bool,
private_imv_os_state_t *this)
{
return this->has_long;
}
METHOD(imv_state_t, has_excl, bool,
private_imv_os_state_t *this)
{
return this->has_excl;
}
METHOD(imv_state_t, set_flags, void,
private_imv_os_state_t *this, bool has_long, bool has_excl)
{
this->has_long = has_long;
this->has_excl = has_excl;
}
METHOD(imv_state_t, set_max_msg_len, void,
private_imv_os_state_t *this, u_int32_t max_msg_len)
{
this->max_msg_len = max_msg_len;
}
METHOD(imv_state_t, get_max_msg_len, u_int32_t,
private_imv_os_state_t *this)
{
return this->max_msg_len;
}
METHOD(imv_state_t, change_state, void,
private_imv_os_state_t *this, TNC_ConnectionState new_state)
{
this->state = new_state;
}
METHOD(imv_state_t, get_recommendation, void,
private_imv_os_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_os_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_os_state_t *this, chunk_t preferred_language,
chunk_t *reason_string, chunk_t *reason_language)
{
return FALSE;
}
METHOD(imv_state_t, destroy, void,
private_imv_os_state_t *this)
{
free(this->info);
free(this);
}
METHOD(imv_os_state_t, set_info, void,
private_imv_os_state_t *this, char *info)
{
this->info = strdup(info);
}
METHOD(imv_os_state_t, get_info, char*,
private_imv_os_state_t *this)
{
return this->info;
}
/**
* Described in header.
*/
imv_state_t *imv_os_state_create(TNC_ConnectionID connection_id)
{
private_imv_os_state_t *this;
INIT(this,
.public = {
.interface = {
.get_connection_id = _get_connection_id,
.has_long = _has_long,
.has_excl = _has_excl,
.set_flags = _set_flags,
.set_max_msg_len = _set_max_msg_len,
.get_max_msg_len = _get_max_msg_len,
.change_state = _change_state,
.get_recommendation = _get_recommendation,
.set_recommendation = _set_recommendation,
.get_reason_string = _get_reason_string,
.destroy = _destroy,
},
.set_info = _set_info,
.get_info = _get_info,
},
.state = TNC_CONNECTION_STATE_CREATE,
.rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
.eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
.connection_id = connection_id,
);
return &this->public.interface;
}

59
src/libimcv/plugins/imv_os/imv_os_state.h Normal file
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@ -0,0 +1,59 @@
/*
* Copyright (C) 2012 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 imv_os_state_t imv_os_state
* @{ @ingroup imv_os_state
*/
#ifndef IMV_OS_STATE_H_
#define IMV_OS_STATE_H_
#include <imv/imv_state.h>
#include <library.h>
typedef struct imv_os_state_t imv_os_state_t;
/**
* Internal state of an imv_os_t connection instance
*/
struct imv_os_state_t {
/**
* imv_state_t interface
*/
imv_state_t interface;
/**
* Set OS Product Information
*/
void (*set_info)(imv_os_state_t *this, char *info);
/**
* Get OS Product Information
*/
char* (*get_info)(imv_os_state_t *this);
};
/**
* Create an imv_os_state_t instance
*
* @param id connection ID
*/
imv_state_t* imv_os_state_create(TNC_ConnectionID id);
#endif /** IMV_OS_STATE_H_ @}*/

10
testing/scripts/build-umlrootfs
View File

@ -247,6 +247,16 @@ then
echo -n " --enable-imv-scanner" >> $INSTALLSHELL
fi
if [ "$USE_IMC_OS" = "yes" ]
then
echo -n " --enable-imc-os" >> $INSTALLSHELL
fi
if [ "$USE_IMV_OS" = "yes" ]
then
echo -n " --enable-imv-os" >> $INSTALLSHELL
fi
if [ "$USE_IMC_ATTESTATION" = "yes" ]
then
echo -n " --enable-imc-attestation" >> $INSTALLSHELL

2
testing/testing.conf
View File

@ -58,6 +58,8 @@ USE_IMC_TEST="yes"
USE_IMV_TEST="yes"
USE_IMC_SCANNER="yes"
USE_IMV_SCANNER="yes"
USE_IMC_OS="yes"
USE_IMV_OS="yes"
USE_IMC_ATTESTATION="yes"
USE_IMV_ATTESTATION="yes"
USE_SQL="yes"