implemented IETF String Version attribute
This commit is contained in:
parent
7d202f56b9
commit
7174a0a527
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@ -10,12 +10,13 @@ libimcv_la_SOURCES = \
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imc/imc_agent.h imc/imc_agent.c imc/imc_state.h \
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imv/imv_agent.h imv/imv_agent.c imv/imv_state.h \
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ietf/ietf_attr.h ietf/ietf_attr.c \
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ietf/ietf_attr_assess_result.h ietf/ietf_attr_assess_result.c \
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ietf/ietf_attr_attr_request.h ietf/ietf_attr_attr_request.c \
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ietf/ietf_attr_installed_packages.h ietf/ietf_attr_installed_packages.c \
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ietf/ietf_attr_pa_tnc_error.h ietf/ietf_attr_pa_tnc_error.c \
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ietf/ietf_attr_port_filter.h ietf/ietf_attr_port_filter.c \
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ietf/ietf_attr_product_info.h ietf/ietf_attr_product_info.c \
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ietf/ietf_attr_installed_packages.h ietf/ietf_attr_installed_packages.c \
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ietf/ietf_attr_attr_request.h ietf/ietf_attr_attr_request.c \
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ietf/ietf_attr_assess_result.h ietf/ietf_attr_assess_result.c \
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ietf/ietf_attr_string_version.h ietf/ietf_attr_string_version.c \
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ita/ita_attr.h ita/ita_attr.c \
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ita/ita_attr_command.h ita/ita_attr_command.c \
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ita/ita_attr_dummy.h ita/ita_attr_dummy.c \
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@ -13,12 +13,13 @@
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*/
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#include "ietf_attr.h"
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#include "ietf/ietf_attr_assess_result.h"
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#include "ietf/ietf_attr_attr_request.h"
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#include "ietf/ietf_attr_installed_packages.h"
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#include "ietf/ietf_attr_pa_tnc_error.h"
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#include "ietf/ietf_attr_port_filter.h"
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#include "ietf/ietf_attr_product_info.h"
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#include "ietf/ietf_attr_installed_packages.h"
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#include "ietf/ietf_attr_attr_request.h"
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#include "ietf/ietf_attr_assess_result.h"
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#include "ietf/ietf_attr_string_version.h"
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ENUM(ietf_attr_names, IETF_ATTR_TESTING, IETF_ATTR_FACTORY_DEFAULT_PWD_ENABLED,
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@ -48,6 +49,8 @@ pa_tnc_attr_t* ietf_attr_create_from_data(u_int32_t type, chunk_t value)
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return ietf_attr_attr_request_create_from_data(value);
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case IETF_ATTR_PRODUCT_INFORMATION:
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return ietf_attr_product_info_create_from_data(value);
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case IETF_ATTR_STRING_VERSION:
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return ietf_attr_string_version_create_from_data(value);
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case IETF_ATTR_PORT_FILTER:
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return ietf_attr_port_filter_create_from_data(value);
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case IETF_ATTR_INSTALLED_PACKAGES:
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@ -58,7 +61,6 @@ pa_tnc_attr_t* ietf_attr_create_from_data(u_int32_t type, chunk_t value)
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return ietf_attr_assess_result_create_from_data(value);
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case IETF_ATTR_TESTING:
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case IETF_ATTR_NUMERIC_VERSION:
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case IETF_ATTR_STRING_VERSION:
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case IETF_ATTR_OPERATIONAL_STATUS:
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case IETF_ATTR_REMEDIATION_INSTRUCTIONS:
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case IETF_ATTR_FORWARDING_ENABLED:
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@ -0,0 +1,298 @@
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/*
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* Copyright (C) 2012 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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#include "ietf_attr_string_version.h"
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#include <pa_tnc/pa_tnc_msg.h>
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#include <bio/bio_writer.h>
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#include <bio/bio_reader.h>
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#include <debug.h>
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typedef struct private_ietf_attr_string_version_t private_ietf_attr_string_version_t;
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/**
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* PA-TNC String Version type (see section 4.2.4 of RFC 5792)
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*
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* 1 2 3
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* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Version Len | Product Version Number (Variable Length) |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Build Num Len | Internal Build Number (Variable Length) |
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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* | Config. Len | Configuration Version Number (Variable Length)|
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* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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*/
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#define STRING_VERSION_MIN_SIZE 3
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/**
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* Private data of an ietf_attr_string_version_t object.
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*/
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struct private_ietf_attr_string_version_t {
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/**
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* Public members of ietf_attr_string_version_t
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*/
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ietf_attr_string_version_t public;
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/**
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* Vendor-specific attribute type
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*/
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pen_type_t type;
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/**
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* Attribute value
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*/
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chunk_t value;
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/**
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* Noskip flag
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*/
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bool noskip_flag;
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/**
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* Product Version Number
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*/
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chunk_t version;
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/**
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* Internal Build Number
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*/
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chunk_t build;
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/**
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* Configuration Version Number
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*/
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chunk_t config;
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/**
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* Reference count
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*/
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refcount_t ref;
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};
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METHOD(pa_tnc_attr_t, get_type, pen_type_t,
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private_ietf_attr_string_version_t *this)
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{
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return this->type;
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}
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METHOD(pa_tnc_attr_t, get_value, chunk_t,
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private_ietf_attr_string_version_t *this)
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{
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return this->value;
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}
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METHOD(pa_tnc_attr_t, get_noskip_flag, bool,
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private_ietf_attr_string_version_t *this)
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{
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return this->noskip_flag;
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}
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METHOD(pa_tnc_attr_t, set_noskip_flag,void,
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private_ietf_attr_string_version_t *this, bool noskip)
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{
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this->noskip_flag = noskip;
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}
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METHOD(pa_tnc_attr_t, build, void,
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private_ietf_attr_string_version_t *this)
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{
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bio_writer_t *writer;
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if (this->value.ptr)
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{
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return;
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}
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writer = bio_writer_create(STRING_VERSION_MIN_SIZE);
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writer->write_data8(writer, this->version);
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writer->write_data8(writer, this->build);
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writer->write_data8(writer, this->config);
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this->value = chunk_clone(writer->get_buf(writer));
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writer->destroy(writer);
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}
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METHOD(pa_tnc_attr_t, process, status_t,
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private_ietf_attr_string_version_t *this, u_int32_t *offset)
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{
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bio_reader_t *reader;
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status_t status = FAILED;
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chunk_t version, build, config;
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u_char *pos;
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*offset = 0;
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if (this->value.len < STRING_VERSION_MIN_SIZE)
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{
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DBG1(DBG_TNC, "insufficient data for IETF string version");
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return FAILED;
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}
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reader = bio_reader_create(this->value);
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if (!reader->read_data8(reader, &version))
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{
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DBG1(DBG_TNC, "insufficient data for IETF product version number");
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goto end;
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}
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pos = memchr(version.ptr, '\0', version.len);
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if (pos)
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{
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DBG1(DBG_TNC, "nul termination in IETF product version number");
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*offset += 1 + (pos - version.ptr);
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goto end;
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}
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*offset += 1 + version.len;
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if (!reader->read_data8(reader, &build))
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{
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DBG1(DBG_TNC, "insufficient data for IETF internal build number");
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goto end;
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}
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pos = memchr(build.ptr, '\0', build.len);
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if (pos)
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{
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DBG1(DBG_TNC, "nul termination in IETF internal build number");
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*offset += 1 + (pos - build.ptr);
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goto end;
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}
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*offset += 1 + build.len;
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if (!reader->read_data8(reader, &config))
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{
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DBG1(DBG_TNC, "insufficient data for IETF configuration version number");
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goto end;
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}
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pos = memchr(config.ptr, '\0', config.len);
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if (pos)
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{
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DBG1(DBG_TNC, "nul termination in IETF configuration version number");
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*offset += 1 + (pos - config.ptr);
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goto end;
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}
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this->version = chunk_clone(version);
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this->build = chunk_clone(build);
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this->config = chunk_clone(config);
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status = SUCCESS;
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end:
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reader->destroy(reader);
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return status;
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}
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METHOD(pa_tnc_attr_t, get_ref, pa_tnc_attr_t*,
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private_ietf_attr_string_version_t *this)
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{
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ref_get(&this->ref);
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return &this->public.pa_tnc_attribute;
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}
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METHOD(pa_tnc_attr_t, destroy, void,
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private_ietf_attr_string_version_t *this)
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{
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if (ref_put(&this->ref))
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{
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free(this->version.ptr);
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free(this->build.ptr);
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free(this->config.ptr);
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free(this->value.ptr);
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free(this);
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}
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}
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METHOD(ietf_attr_string_version_t, get_version, chunk_t,
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private_ietf_attr_string_version_t *this, chunk_t *build, chunk_t *config)
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{
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if (build)
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{
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*build = this->build;
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}
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if (config)
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{
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*config = this->config;
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}
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return this->version;
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}
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/**
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* Described in header.
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*/
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pa_tnc_attr_t *ietf_attr_string_version_create(chunk_t version, chunk_t build,
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chunk_t config)
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{
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private_ietf_attr_string_version_t *this;
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/* limit version numbers to 255 octets */
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version.len = min(255, version.len);
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build.len = min(255, build.len);
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config.len = min(255, config.len);
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INIT(this,
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.public = {
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.pa_tnc_attribute = {
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.get_type = _get_type,
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.get_value = _get_value,
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.get_noskip_flag = _get_noskip_flag,
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.set_noskip_flag = _set_noskip_flag,
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.build = _build,
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.process = _process,
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.get_ref = _get_ref,
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.destroy = _destroy,
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},
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.get_version = _get_version,
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},
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.type = { PEN_IETF, IETF_ATTR_STRING_VERSION },
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.version = chunk_clone(version),
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.build = chunk_clone(build),
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.config = chunk_clone(config),
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.ref = 1,
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);
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return &this->public.pa_tnc_attribute;
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}
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/**
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* Described in header.
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*/
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pa_tnc_attr_t *ietf_attr_string_version_create_from_data(chunk_t data)
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{
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private_ietf_attr_string_version_t *this;
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INIT(this,
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.public = {
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.pa_tnc_attribute = {
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.get_type = _get_type,
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.get_value = _get_value,
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.build = _build,
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.process = _process,
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.get_ref = _get_ref,
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.destroy = _destroy,
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},
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.get_version = _get_version,
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},
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.type = { PEN_IETF, IETF_ATTR_STRING_VERSION },
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.value = chunk_clone(data),
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.ref = 1,
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);
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return &this->public.pa_tnc_attribute;
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}
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@ -0,0 +1,67 @@
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/*
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* Copyright (C) 2012 Andreas Steffen
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* HSR Hochschule fuer Technik Rapperswil
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*/
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/**
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* @defgroup ietf_attr_string_versiont ietf_attr_string_version
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* @{ @ingroup ietf
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*/
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#ifndef IETF_ATTR_STRING_VERSION_H_
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#define IETF_ATTR_STRING_VERSION_H_
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typedef struct ietf_attr_string_version_t ietf_attr_string_version_t;
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#include "ietf_attr.h"
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#include "pa_tnc/pa_tnc_attr.h"
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/**
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* Class implementing the IETF PA-TNC Product Information attribute.
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*
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*/
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struct ietf_attr_string_version_t {
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/**
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* Public PA-TNC attribute interface
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*/
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pa_tnc_attr_t pa_tnc_attribute;
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/**
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* Gets the Product Version Number and optionally the Internal Build
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* and Configuration Version Numbers
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*
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* @param build Internal Build Number (if build != NULL)
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* @param config Configuration Version Number (if config != NULL)
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* @return Product Version Number
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*/
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chunk_t (*get_version)(ietf_attr_string_version_t *this, chunk_t *build,
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chunk_t *config);
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};
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/**
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* Creates an ietf_attr_string_version_t object
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*
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*/
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pa_tnc_attr_t* ietf_attr_string_version_create(chunk_t version, chunk_t build,
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chunk_t config);
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/**
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* Creates an ietf_attr_string_version_t object from received data
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*
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* @param value unparsed attribute value
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*/
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pa_tnc_attr_t* ietf_attr_string_version_create_from_data(chunk_t value);
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#endif /** IETF_ATTR_STRING_VERSION_H_ @}*/
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@ -18,11 +18,12 @@
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#include <imc/imc_agent.h>
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#include <pa_tnc/pa_tnc_msg.h>
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#include <ietf/ietf_attr.h>
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#include <ietf/ietf_attr_assess_result.h>
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#include <ietf/ietf_attr_attr_request.h>
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#include <ietf/ietf_attr_product_info.h>
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#include <ietf/ietf_attr_installed_packages.h>
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#include <ietf/ietf_attr_pa_tnc_error.h>
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#include <ietf/ietf_attr_assess_result.h>
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#include <ietf/ietf_attr_product_info.h>
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#include <ietf/ietf_attr_string_version.h>
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#include <tncif_pa_subtypes.h>
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@ -104,13 +105,26 @@ TNC_Result TNC_IMC_NotifyConnectionChange(TNC_IMCID imc_id,
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}
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/**
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* Add an IETF Product Information attribute to the send queue
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* Add IETF Product Information attribute to the send queue
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*/
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static void add_product_info(linked_list_t *attr_list)
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{
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pa_tnc_attr_t *attr;
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char *os_name = "Ubuntu";
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attr = ietf_attr_product_info_create(PEN_IETF, 0, "Ubuntu 12.04 LTS i686");
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attr = ietf_attr_product_info_create(PEN_IETF, 0, os_name);
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attr_list->insert_last(attr_list, attr);
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}
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/**
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* Add IETF String Version attribute to the send queue
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*/
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static void add_string_version(linked_list_t *attr_list)
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{
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pa_tnc_attr_t *attr;
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chunk_t os_version = { "12.04", 5};
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attr = ietf_attr_string_version_create(os_version, chunk_empty, chunk_empty);
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attr_list->insert_last(attr_list, attr);
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}
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||||
|
@ -148,12 +162,13 @@ TNC_Result TNC_IMC_BeginHandshake(TNC_IMCID imc_id,
|
|||
}
|
||||
|
||||
if (lib->settings->get_bool(lib->settings,
|
||||
"libimcv.plugins.imc-os.send_product_info", TRUE))
|
||||
"libimcv.plugins.imc-os.send_info", TRUE))
|
||||
{
|
||||
linked_list_t *attr_list;
|
||||
|
||||
attr_list = linked_list_create();
|
||||
add_product_info(attr_list);
|
||||
add_string_version(attr_list);
|
||||
result = imc_os->send_message(imc_os, connection_id, FALSE, 0,
|
||||
TNC_IMVID_ANY, attr_list);
|
||||
attr_list->destroy(attr_list);
|
||||
|
@ -238,6 +253,9 @@ static TNC_Result receive_message(TNC_IMCID imc_id,
|
|||
case IETF_ATTR_PRODUCT_INFORMATION:
|
||||
add_product_info(attr_list);
|
||||
break;
|
||||
case IETF_ATTR_STRING_VERSION:
|
||||
add_string_version(attr_list);
|
||||
break;
|
||||
case IETF_ATTR_INSTALLED_PACKAGES:
|
||||
add_installed_packages(attr_list);
|
||||
break;
|
||||
|
|
|
@ -19,9 +19,10 @@
|
|||
#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_product_info.h>
|
||||
#include <ietf/ietf_attr_string_version.h>
|
||||
|
||||
#include <tncif_names.h>
|
||||
#include <tncif_pa_subtypes.h>
|
||||
|
@ -111,6 +112,8 @@ static TNC_Result receive_message(TNC_IMVID imv_id,
|
|||
imv_os_state_t *os_state;
|
||||
enumerator_t *enumerator;
|
||||
TNC_Result result;
|
||||
char *os_name = NULL;
|
||||
chunk_t os_version = chunk_empty;
|
||||
bool fatal_error, assessment = FALSE;
|
||||
|
||||
if (!imv_os)
|
||||
|
@ -155,19 +158,25 @@ static TNC_Result receive_message(TNC_IMVID imv_id,
|
|||
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);
|
||||
os_name = attr_cast->get_info(attr_cast, NULL, NULL);
|
||||
DBG1(DBG_IMV, "operating system name is '%s'", os_name);
|
||||
break;
|
||||
}
|
||||
}
|
||||
case IETF_ATTR_STRING_VERSION:
|
||||
{
|
||||
ietf_attr_string_version_t *attr_cast;
|
||||
|
||||
attr_cast = (ietf_attr_string_version_t*)attr;
|
||||
os_version = attr_cast->get_version(attr_cast, NULL, NULL);
|
||||
if (os_version.len)
|
||||
{
|
||||
DBG1(DBG_IMV, "operating system version is '%.*s'",
|
||||
os_version.len, os_version.ptr);
|
||||
}
|
||||
break;
|
||||
}
|
||||
case IETF_ATTR_INSTALLED_PACKAGES:
|
||||
{
|
||||
ietf_attr_installed_packages_t *attr_cast;
|
||||
|
@ -194,6 +203,17 @@ static TNC_Result receive_message(TNC_IMVID imv_id,
|
|||
}
|
||||
}
|
||||
enumerator->destroy(enumerator);
|
||||
|
||||
if (os_name && os_version.len)
|
||||
{
|
||||
os_state->set_info(os_state, os_name, os_version);
|
||||
|
||||
DBG1(DBG_IMV, "requesting installed packages for '%s'",
|
||||
os_state->get_info(os_state));
|
||||
attr = ietf_attr_attr_request_create(PEN_IETF,
|
||||
IETF_ATTR_INSTALLED_PACKAGES);
|
||||
attr_list->insert_last(attr_list, attr);
|
||||
}
|
||||
pa_tnc_msg->destroy(pa_tnc_msg);
|
||||
|
||||
if (fatal_error)
|
||||
|
@ -203,6 +223,7 @@ static TNC_Result receive_message(TNC_IMVID imv_id,
|
|||
TNC_IMV_EVALUATION_RESULT_ERROR);
|
||||
assessment = TRUE;
|
||||
}
|
||||
|
||||
if (assessment)
|
||||
{
|
||||
attr_list->destroy_offset(attr_list, offsetof(pa_tnc_attr_t, destroy));
|
||||
|
@ -295,10 +316,13 @@ TNC_Result TNC_IMV_BatchEnding(TNC_IMVID imv_id,
|
|||
{
|
||||
pa_tnc_attr_t *attr;
|
||||
linked_list_t *attr_list;
|
||||
ietf_attr_attr_request_t *attr_cast;
|
||||
|
||||
attr_list = linked_list_create();
|
||||
attr = ietf_attr_attr_request_create(PEN_IETF,
|
||||
IETF_ATTR_PRODUCT_INFORMATION);
|
||||
attr_cast = (ietf_attr_attr_request_t*)attr;
|
||||
attr_cast->add(attr_cast, PEN_IETF, IETF_ATTR_STRING_VERSION);
|
||||
attr_list->insert_last(attr_list, attr);
|
||||
result = imv_os->send_message(imv_os, connection_id, FALSE, imv_id,
|
||||
TNC_IMCID_ANY, attr_list);
|
||||
|
|
|
@ -164,9 +164,14 @@ METHOD(imv_state_t, destroy, void,
|
|||
}
|
||||
|
||||
METHOD(imv_os_state_t, set_info, void,
|
||||
private_imv_os_state_t *this, char *info)
|
||||
private_imv_os_state_t *this, char *name, chunk_t version)
|
||||
{
|
||||
this->info = strdup(info);
|
||||
int len = strlen(name) + 1 + version.len + 1;
|
||||
|
||||
/* OS info is a concatenation of OS name and OS version */
|
||||
free(this->info);
|
||||
this->info = malloc(len);
|
||||
snprintf(this->info, len, "%s %.*s", name, version.len, version.ptr);
|
||||
}
|
||||
|
||||
METHOD(imv_os_state_t, get_info, char*,
|
||||
|
|
|
@ -39,11 +39,16 @@ struct imv_os_state_t {
|
|||
|
||||
/**
|
||||
* Set OS Product Information
|
||||
*
|
||||
* @param name OS name
|
||||
* @param version OS version
|
||||
*/
|
||||
void (*set_info)(imv_os_state_t *this, char *info);
|
||||
void (*set_info)(imv_os_state_t *this, char *name, chunk_t version);
|
||||
|
||||
/**
|
||||
* Get OS Product Information
|
||||
*
|
||||
* @result OS name & version
|
||||
*/
|
||||
char* (*get_info)(imv_os_state_t *this);
|
||||
|
||||
|
|
Loading…
Reference in New Issue