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authorRomain Francoise <rfrancoise@debian.org>2014-10-21 19:28:38 +0200
committerRomain Francoise <rfrancoise@debian.org>2014-10-21 19:28:38 +0200
commit2b8de74ff4c334c25e89988c4a401b24b5bcf03d (patch)
tree10fb49ca94bfd0c8b8a583412281abfc0186836e /src/libimcv/pts/components/ita
parent81c63b0eed39432878f78727f60a1e7499645199 (diff)
downloadvyos-strongswan-2b8de74ff4c334c25e89988c4a401b24b5bcf03d.tar.gz
vyos-strongswan-2b8de74ff4c334c25e89988c4a401b24b5bcf03d.zip
Import upstream release 5.2.1
Diffstat (limited to 'src/libimcv/pts/components/ita')
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_func_name.c45
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_func_name.h85
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_ima.c914
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_ima.h35
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_tboot.c362
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_tboot.h35
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_tgrub.c208
-rw-r--r--src/libimcv/pts/components/ita/ita_comp_tgrub.h35
8 files changed, 1719 insertions, 0 deletions
diff --git a/src/libimcv/pts/components/ita/ita_comp_func_name.c b/src/libimcv/pts/components/ita/ita_comp_func_name.c
new file mode 100644
index 000000000..a593281ba
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_func_name.c
@@ -0,0 +1,45 @@
+/*
+ * 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 "ita_comp_func_name.h"
+
+char pts_ita_qualifier_flag_names[] = { 'K', 'S' };
+
+ENUM_BEGIN(pts_ita_qualifier_type_names, PTS_ITA_QUALIFIER_TYPE_UNKNOWN,
+ PTS_ITA_QUALIFIER_TYPE_TNC,
+ "Unknown",
+ "Trusted Platform",
+ "Operating System",
+ "Graphical User Interface",
+ "Application",
+ "Networking",
+ "Library",
+ "TNC Defined Component"
+);
+ENUM_NEXT(pts_ita_qualifier_type_names, PTS_ITA_QUALIFIER_TYPE_ALL,
+ PTS_ITA_QUALIFIER_TYPE_ALL,
+ PTS_ITA_QUALIFIER_TYPE_TNC,
+ "All Matching Components"
+);
+ENUM_END(pts_ita_qualifier_type_names, PTS_ITA_QUALIFIER_TYPE_ALL);
+
+ENUM(pts_ita_comp_func_names, PTS_ITA_COMP_FUNC_NAME_IGNORE,
+ PTS_ITA_COMP_FUNC_NAME_IMA,
+ "Ignore",
+ "Trusted GRUB Boot Loader",
+ "Trusted Boot",
+ "Linux IMA"
+);
+
diff --git a/src/libimcv/pts/components/ita/ita_comp_func_name.h b/src/libimcv/pts/components/ita/ita_comp_func_name.h
new file mode 100644
index 000000000..eb2f363f3
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_func_name.h
@@ -0,0 +1,85 @@
+/*
+ * 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 pts_ita_comp_func_name pts_ita_comp_func_name
+ * @{ @ingroup pts
+ */
+
+#ifndef PTS_ITA_COMP_FUNC_NAME_H_
+#define PTS_ITA_COMP_FUNC_NAME_H_
+
+typedef enum pts_ita_qualifier_type_t pts_ita_qualifier_type_t;
+typedef enum pts_ita_comp_func_name_t pts_ita_comp_func_name_t;
+
+#include <library.h>
+
+/**
+ * PTS Component Functional Name Qualifier Flags for the ITA namespace
+ */
+#define PTS_ITA_QUALIFIER_FLAG_KERNEL (1<<5)
+#define PTS_ITA_QUALIFIER_FLAG_SUB (1<<4)
+
+extern char pts_ita_qualifier_flag_names[];
+
+/**
+ * Size of the PTS Component Functional Name Qualifier Type field
+ */
+#define PTS_ITA_QUALIFIER_TYPE_SIZE 4
+
+/**
+ * PTS Component Functional Name Qualifier Types for the ITA namespace
+ * equal to section 5.2 of PTS Protocol: Binding to TNC IF-M Specification
+ */
+enum pts_ita_qualifier_type_t {
+ /** Unknown */
+ PTS_ITA_QUALIFIER_TYPE_UNKNOWN = 0x0,
+ /** Trusted Platform */
+ PTS_ITA_QUALIFIER_TYPE_TRUSTED = 0x1,
+ /** Operating System */
+ PTS_ITA_QUALIFIER_TYPE_OS = 0x2,
+ /** Graphical User Interface */
+ PTS_ITA_QUALIFIER_TYPE_GUI = 0x3,
+ /** Application */
+ PTS_ITA_QUALIFIER_TYPE_APP = 0x4,
+ /** Networking */
+ PTS_ITA_QUALIFIER_TYPE_NET = 0x5,
+ /** Library */
+ PTS_ITA_QUALIFIER_TYPE_LIB = 0x6,
+ /** TNC Defined Component */
+ PTS_ITA_QUALIFIER_TYPE_TNC = 0x7,
+ /** All Matching Components */
+ PTS_ITA_QUALIFIER_TYPE_ALL = 0xF,
+};
+
+extern enum_name_t *pts_ita_qualifier_type_names;
+
+/**
+ * PTS Component Functional Name Binary Enumeration for the ITA namespace
+ */
+enum pts_ita_comp_func_name_t {
+ /** Ignore */
+ PTS_ITA_COMP_FUNC_NAME_IGNORE = 0x0000,
+ /** Trusted GRUB Boot Loader */
+ PTS_ITA_COMP_FUNC_NAME_TGRUB = 0x0001,
+ /** Trusted Boot */
+ PTS_ITA_COMP_FUNC_NAME_TBOOT = 0x0002,
+ /** Linux Integrity Measurement Architecture */
+ PTS_ITA_COMP_FUNC_NAME_IMA = 0x0003,
+};
+
+extern enum_name_t *pts_ita_comp_func_names;
+
+#endif /** PTS_ITA_COMP_FUNC_NAME_H_ @}*/
diff --git a/src/libimcv/pts/components/ita/ita_comp_ima.c b/src/libimcv/pts/components/ita/ita_comp_ima.c
new file mode 100644
index 000000000..3f92b04b1
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_ima.c
@@ -0,0 +1,914 @@
+/*
+ * Copyright (C) 2011-2014 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 "ita_comp_ima.h"
+#include "ita_comp_func_name.h"
+
+#include "imcv.h"
+#include "pts/pts_pcr.h"
+#include "pts/pts_ima_bios_list.h"
+#include "pts/pts_ima_event_list.h"
+#include "pts/components/pts_component.h"
+
+#include <utils/debug.h>
+#include <crypto/hashers/hasher.h>
+#include <pen/pen.h>
+
+#define SECURITY_DIR "/sys/kernel/security/"
+#define IMA_BIOS_MEASUREMENTS SECURITY_DIR "tpm0/binary_bios_measurements"
+#define IMA_RUNTIME_MEASUREMENTS SECURITY_DIR "ima/binary_runtime_measurements"
+#define IMA_FILENAME_LEN_MAX 255
+
+typedef struct pts_ita_comp_ima_t pts_ita_comp_ima_t;
+typedef enum ima_state_t ima_state_t;
+
+enum ima_state_t {
+ IMA_STATE_INIT,
+ IMA_STATE_BIOS,
+ IMA_STATE_BOOT_AGGREGATE,
+ IMA_STATE_RUNTIME,
+ IMA_STATE_END
+};
+
+/**
+ * Private data of a pts_ita_comp_ima_t object.
+ *
+ */
+struct pts_ita_comp_ima_t {
+
+ /**
+ * Public pts_component_t interface.
+ */
+ pts_component_t public;
+
+ /**
+ * Component Functional Name
+ */
+ pts_comp_func_name_t *name;
+
+ /**
+ * Sub-component depth
+ */
+ uint32_t depth;
+
+ /**
+ * PTS measurement database
+ */
+ pts_database_t *pts_db;
+
+ /**
+ * Primary key for AIK database entry
+ */
+ int aik_id;
+
+ /**
+ * Primary key for IMA BIOS Component Functional Name database entry
+ */
+ int bios_cid;
+
+ /**
+ * Primary key for IMA Runtime Component Functional Name database entry
+ */
+ int ima_cid;
+
+ /**
+ * Component is registering IMA BIOS measurements
+ */
+ bool is_bios_registering;
+
+ /**
+ * Component is registering IMA boot aggregate measurement
+ */
+ bool is_ima_registering;
+
+ /**
+ * Measurement sequence number
+ */
+ int seq_no;
+
+ /**
+ * Expected IMA BIOS measurement count
+ */
+ int bios_count;
+
+ /**
+ * IMA BIOS measurements
+ */
+ pts_ima_bios_list_t *bios_list;
+
+ /**
+ * IMA runtime file measurements
+ */
+ pts_ima_event_list_t *ima_list;
+
+ /**
+ * Whether to send pcr_before and pcr_after info
+ */
+ bool pcr_info;
+
+ /**
+ * Creation time of measurement
+ */
+ time_t creation_time;
+
+ /**
+ * IMA state machine
+ */
+ ima_state_t state;
+
+ /**
+ * Total number of component measurements
+ */
+ int count;
+
+ /**
+ * Number of successful component measurements
+ */
+ int count_ok;
+
+ /**
+ * Number of unknown component measurements
+ */
+ int count_unknown;
+
+ /**
+ * Number of differing component measurements
+ */
+ int count_differ;
+
+ /**
+ * Number of failed component measurements
+ */
+ int count_failed;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+
+};
+
+/**
+ * Extend measurement into PCR and create evidence
+ */
+static pts_comp_evidence_t* extend_pcr(pts_ita_comp_ima_t* this,
+ uint8_t qualifier, pts_pcr_t *pcrs,
+ uint32_t pcr, chunk_t measurement)
+{
+ size_t pcr_len;
+ pts_pcr_transform_t pcr_transform;
+ pts_meas_algorithms_t hash_algo;
+ pts_comp_func_name_t *name;
+ pts_comp_evidence_t *evidence;
+ chunk_t pcr_before = chunk_empty, pcr_after = chunk_empty;
+
+ hash_algo = PTS_MEAS_ALGO_SHA1;
+ pcr_len = HASH_SIZE_SHA1;
+ pcr_transform = pts_meas_algo_to_pcr_transform(hash_algo, pcr_len);
+
+ if (this->pcr_info)
+ {
+ pcr_before = chunk_clone(pcrs->get(pcrs, pcr));
+ }
+ pcr_after = pcrs->extend(pcrs, pcr, measurement);
+ if (!pcr_after.ptr)
+ {
+ free(pcr_before.ptr);
+ return NULL;
+ }
+ name = this->name->clone(this->name);
+ name->set_qualifier(name, qualifier);
+ evidence = pts_comp_evidence_create(name, this->depth, pcr, hash_algo,
+ pcr_transform, this->creation_time, measurement);
+ if (this->pcr_info)
+ {
+ pcr_after =chunk_clone(pcrs->get(pcrs, pcr));
+ evidence->set_pcr_info(evidence, pcr_before, pcr_after);
+ }
+ return evidence;
+}
+
+/**
+ * Generate an IMA or IMA-NG hash from an event digest and event name
+ *
+ * @param digest event digest
+ * @param ima_algo hash algorithm string ("sha1:", "sha256:", etc.)
+ * @param ima_name event name
+ * @param little_endian endianness of client platform
+ * @param algo hash algorithm used by TPM
+ * @param hash_buf hash value to be compared with TPM measurement
+ */
+static bool ima_hash(chunk_t digest, char *ima_algo, char *ima_name,
+ bool little_endian, pts_meas_algorithms_t algo,
+ char *hash_buf)
+{
+ hash_algorithm_t hash_alg;
+ hasher_t *hasher;
+ bool success;
+
+ hash_alg = pts_meas_algo_to_hash(algo);
+ hasher = lib->crypto->create_hasher(lib->crypto, hash_alg);
+ if (!hasher)
+ {
+ DBG1(DBG_PTS, "%N hasher could not be created",
+ hash_algorithm_short_names, hash_alg);
+ return FALSE;
+ }
+
+ if (ima_algo)
+ {
+ uint32_t d_len, n_len;
+ chunk_t algo_name, event_name, digest_len, name_len;
+
+ /* IMA-NG hash */
+ algo_name = chunk_create(ima_algo, strlen(ima_algo) + 1);
+ event_name = chunk_create(ima_name, strlen(ima_name) + 1);
+
+ d_len = algo_name.len + digest.len;
+ digest_len = chunk_create((uint8_t*)&d_len, sizeof(d_len));
+ /* TODO handle endianness of both client and server platforms */
+
+ n_len = event_name.len;
+ name_len = chunk_create((uint8_t*)&n_len, sizeof(n_len));
+ /* TODO handle endianness of both client and server platforms */
+
+ success = hasher->get_hash(hasher, digest_len, NULL) &&
+ hasher->get_hash(hasher, algo_name, NULL) &&
+ hasher->get_hash(hasher, digest, NULL) &&
+ hasher->get_hash(hasher, name_len, NULL) &&
+ hasher->get_hash(hasher, event_name, hash_buf);
+ }
+ else
+ {
+ u_char filename_buffer[IMA_FILENAME_LEN_MAX + 1];
+ chunk_t file_name;
+
+ /* IMA legacy hash */
+ memset(filename_buffer, 0, sizeof(filename_buffer));
+ strncpy(filename_buffer, ima_name, IMA_FILENAME_LEN_MAX);
+ file_name = chunk_create (filename_buffer, sizeof(filename_buffer));
+
+ success = hasher->get_hash(hasher, digest, NULL) &&
+ hasher->get_hash(hasher, file_name, hash_buf);
+ }
+ hasher->destroy(hasher);
+
+ return success;
+}
+
+/**
+ * Compute and check boot aggregate value by hashing PCR0 to PCR7
+ */
+static bool check_boot_aggregate(pts_pcr_t *pcrs, chunk_t measurement,
+ char *algo)
+{
+ u_char pcr_buffer[HASH_SIZE_SHA1];
+ chunk_t boot_aggregate;
+ hasher_t *hasher;
+ uint32_t i;
+ bool success, pcr_ok = TRUE;
+
+ hasher = lib->crypto->create_hasher(lib->crypto, HASH_SHA1);
+ if (!hasher)
+ {
+ DBG1(DBG_PTS, "%N hasher could not be created",
+ hash_algorithm_short_names, HASH_SHA1);
+ return FALSE;
+ }
+ for (i = 0; i < 8 && pcr_ok; i++)
+ {
+ pcr_ok = hasher->get_hash(hasher, pcrs->get(pcrs, i), NULL);
+ }
+ if (pcr_ok)
+ {
+ pcr_ok = hasher->get_hash(hasher, chunk_empty, pcr_buffer);
+ }
+ hasher->destroy(hasher);
+
+ if (pcr_ok)
+ {
+ boot_aggregate = chunk_create(pcr_buffer, sizeof(pcr_buffer));
+
+ /* TODO handle endianness of client platform */
+ pcr_ok = ima_hash(boot_aggregate, algo, "boot_aggregate",
+ TRUE, PTS_MEAS_ALGO_SHA1, pcr_buffer);
+ }
+ if (pcr_ok)
+ {
+ success = chunk_equals(boot_aggregate, measurement);
+ DBG1(DBG_PTS, "boot aggregate value is %scorrect",
+ success ? "":"in");
+ return success;
+ }
+ else
+ {
+ DBG1(DBG_PTS, "failed to compute boot aggregate value");
+ return FALSE;
+ }
+}
+
+METHOD(pts_component_t, get_comp_func_name, pts_comp_func_name_t*,
+ pts_ita_comp_ima_t *this)
+{
+ return this->name;
+}
+
+METHOD(pts_component_t, get_evidence_flags, uint8_t,
+ pts_ita_comp_ima_t *this)
+{
+ return PTS_REQ_FUNC_COMP_EVID_PCR;
+}
+
+METHOD(pts_component_t, get_depth, uint32_t,
+ pts_ita_comp_ima_t *this)
+{
+ return this->depth;
+}
+
+METHOD(pts_component_t, measure, status_t,
+ pts_ita_comp_ima_t *this, uint8_t qualifier, pts_t *pts,
+ pts_comp_evidence_t **evidence)
+{
+ pts_pcr_t *pcrs;
+ pts_comp_evidence_t *evid = NULL;
+ size_t algo_len, name_len;
+ chunk_t measurement;
+ char *uri, *algo, *name;
+ uint32_t pcr;
+ status_t status;
+
+ pcrs = pts->get_pcrs(pts);
+
+ if (qualifier == (PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_TRUSTED))
+ {
+ switch (this->state)
+ {
+ case IMA_STATE_INIT:
+ this->bios_list = pts_ima_bios_list_create(
+ IMA_BIOS_MEASUREMENTS);
+ if (!this->bios_list)
+ {
+ return FAILED;
+ }
+ this->creation_time = this->bios_list->get_time(this->bios_list);
+ this->bios_count = this->bios_list->get_count(this->bios_list);
+ this->state = IMA_STATE_BIOS;
+ /* fall through to next state */
+ case IMA_STATE_BIOS:
+ status = this->bios_list->get_next(this->bios_list, &pcr,
+ &measurement);
+ if (status != SUCCESS)
+ {
+ DBG1(DBG_PTS, "could not retrieve bios measurement entry");
+ return status;
+ }
+ evid = extend_pcr(this, qualifier, pcrs, pcr, measurement);
+
+ this->state = this->bios_list->get_count(this->bios_list) ?
+ IMA_STATE_BIOS : IMA_STATE_INIT;
+ break;
+ default:
+ return FAILED;
+ }
+ }
+ else if (qualifier == (PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_OS))
+ {
+ switch (this->state)
+ {
+ case IMA_STATE_INIT:
+ this->ima_list = pts_ima_event_list_create(
+ IMA_RUNTIME_MEASUREMENTS);
+ if (!this->ima_list)
+ {
+ return FAILED;
+ }
+ this->creation_time = this->ima_list->get_time(this->ima_list);
+ this->count = this->ima_list->get_count(this->ima_list);
+ this->state = IMA_STATE_BOOT_AGGREGATE;
+ /* fall through to next state */
+ case IMA_STATE_BOOT_AGGREGATE:
+ case IMA_STATE_RUNTIME:
+ status = this->ima_list->get_next(this->ima_list, &measurement,
+ &algo, &name);
+ if (status != SUCCESS)
+ {
+ DBG1(DBG_PTS, "could not retrieve ima measurement entry");
+ return status;
+ }
+ if (this->state == IMA_STATE_BOOT_AGGREGATE && this->bios_count)
+ {
+ if (!check_boot_aggregate(pcrs, measurement, algo))
+ {
+ return FAILED;
+ }
+ }
+ evid = extend_pcr(this, qualifier, pcrs, IMA_PCR,
+ measurement);
+ if (evid)
+ {
+ if (algo)
+ {
+ algo_len = strlen(algo);
+ name_len = strlen(name);
+ uri = malloc(algo_len + name_len + 1);
+ memcpy(uri, algo, algo_len);
+ strcpy(uri + algo_len, name);
+ }
+ else
+ {
+ uri = strdup(name);
+ }
+ evid->set_validation(evid, PTS_COMP_EVID_VALIDATION_PASSED,
+ uri);
+ free(uri);
+ }
+ free(name);
+ free(algo);
+
+ this->state = this->ima_list->get_count(this->ima_list) ?
+ IMA_STATE_RUNTIME : IMA_STATE_END;
+ break;
+ default:
+ return FAILED;
+ }
+ }
+ else
+ {
+ DBG1(DBG_PTS, "unsupported functional component name qualifier");
+ return FAILED;
+ }
+
+ *evidence = evid;
+ if (!evid)
+ {
+ return FAILED;
+ }
+
+ return (this->state == IMA_STATE_INIT || this->state == IMA_STATE_END) ?
+ SUCCESS : NEED_MORE;
+}
+
+/**
+ * Parse a validation URI of the form <hash algorithm>:<event name>
+ * into its components
+ */
+static pts_meas_algorithms_t parse_validation_uri(pts_comp_evidence_t *evidence,
+ char **ima_name, char **ima_algo, char *algo_buf)
+{
+ pts_meas_algorithms_t hash_algo;
+ char *uri, *pos, *algo, *name;
+
+ evidence->get_validation(evidence, &uri);
+
+ /* IMA-NG format? */
+ pos = strchr(uri, ':');
+ if (pos && (pos - uri + 1) < IMA_ALGO_LEN_MAX)
+ {
+ memset(algo_buf, '\0', IMA_ALGO_LEN_MAX);
+ memcpy(algo_buf, uri, pos - uri + 1);
+ algo = algo_buf;
+ name = pos + 1;
+
+ if (streq(algo, "sha1:") || streq(algo, ":"))
+ {
+ hash_algo = PTS_MEAS_ALGO_SHA1;
+ }
+ else if (streq(algo, "sha256:"))
+ {
+ hash_algo = PTS_MEAS_ALGO_SHA256;
+ }
+ else if (streq(algo, "sha384:"))
+ {
+ hash_algo = PTS_MEAS_ALGO_SHA384;
+ }
+ else
+ {
+ hash_algo = PTS_MEAS_ALGO_NONE;
+ }
+ }
+ else
+ {
+ algo = NULL;
+ name = uri;
+ hash_algo = PTS_MEAS_ALGO_SHA1;
+ }
+
+ if (ima_name)
+ {
+ *ima_name = name;
+ }
+ if (ima_algo)
+ {
+ *ima_algo = algo;
+ }
+
+ return hash_algo;
+}
+
+METHOD(pts_component_t, verify, status_t,
+ pts_ita_comp_ima_t *this, uint8_t qualifier, pts_t *pts,
+ pts_comp_evidence_t *evidence)
+{
+ bool has_pcr_info;
+ uint32_t pcr;
+ pts_meas_algorithms_t algo;
+ pts_pcr_transform_t transform;
+ pts_pcr_t *pcrs;
+ time_t creation_time;
+ chunk_t measurement, pcr_before, pcr_after;
+ status_t status = NOT_FOUND;
+
+ this->aik_id = pts->get_aik_id(pts);
+ pcrs = pts->get_pcrs(pts);
+ measurement = evidence->get_measurement(evidence, &pcr, &algo, &transform,
+ &creation_time);
+
+ if (qualifier == (PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_TRUSTED))
+ {
+ switch (this->state)
+ {
+ case IMA_STATE_INIT:
+ this->name->set_qualifier(this->name, qualifier);
+ status = this->pts_db->get_comp_measurement_count(this->pts_db,
+ this->name, this->aik_id, algo,
+ &this->bios_cid, &this->bios_count);
+ this->name->set_qualifier(this->name, PTS_QUALIFIER_UNKNOWN);
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+
+ if (this->bios_count)
+ {
+ DBG1(DBG_PTS, "checking %d BIOS evidence measurements",
+ this->bios_count);
+ }
+ else
+ {
+ DBG1(DBG_PTS, "registering BIOS evidence measurements");
+ this->is_bios_registering = TRUE;
+ }
+
+ this->state = IMA_STATE_BIOS;
+ /* fall through to next state */
+ case IMA_STATE_BIOS:
+ if (this->is_bios_registering)
+ {
+ status = this->pts_db->insert_comp_measurement(this->pts_db,
+ measurement, this->bios_cid, this->aik_id,
+ ++this->seq_no, pcr, algo);
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+ this->bios_count = this->seq_no + 1;
+ }
+ else
+ {
+ status = this->pts_db->check_comp_measurement(this->pts_db,
+ measurement, this->bios_cid, this->aik_id,
+ ++this->seq_no, pcr, algo);
+ if (status == FAILED)
+ {
+ return status;
+ }
+ }
+ break;
+ default:
+ return FAILED;
+ }
+ }
+ else if (qualifier == (PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_OS))
+ {
+ int ima_count;
+ char *ima_algo, *ima_name;
+ char algo_buf[IMA_ALGO_LEN_MAX];
+ pts_meas_algorithms_t hash_algo;
+
+ hash_algo = parse_validation_uri(evidence, &ima_name, &ima_algo,
+ algo_buf);
+
+ switch (this->state)
+ {
+ case IMA_STATE_BIOS:
+ this->state = IMA_STATE_RUNTIME;
+
+ if (!streq(ima_name, "boot_aggregate"))
+ {
+ DBG1(DBG_PTS, "ima: name must be 'boot_aggregate' "
+ "but is '%s'", ima_name);
+ return FAILED;
+ }
+ if (hash_algo != PTS_MEAS_ALGO_SHA1)
+ {
+ DBG1(DBG_PTS, "ima: boot_aggregate algorithm must be %N "
+ "but is %N",
+ pts_meas_algorithm_names, PTS_MEAS_ALGO_SHA1,
+ pts_meas_algorithm_names, hash_algo);
+ return FAILED;
+ }
+ if (!check_boot_aggregate(pcrs, measurement, ima_algo))
+ {
+ return FAILED;
+ }
+ this->state = IMA_STATE_INIT;
+ /* fall through to next state */
+ case IMA_STATE_INIT:
+ this->name->set_qualifier(this->name, qualifier);
+ status = this->pts_db->get_comp_measurement_count(this->pts_db,
+ this->name, this->aik_id, algo,
+ &this->ima_cid, &ima_count);
+ this->name->set_qualifier(this->name, PTS_QUALIFIER_UNKNOWN);
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+
+ if (ima_count)
+ {
+ DBG1(DBG_PTS, "checking boot aggregate evidence "
+ "measurement");
+ status = this->pts_db->check_comp_measurement(this->pts_db,
+ measurement, this->ima_cid,
+ this->aik_id, 1, pcr, algo);
+ }
+ else
+ {
+ DBG1(DBG_PTS, "registering boot aggregate evidence "
+ "measurement");
+ this->is_ima_registering = TRUE;
+ status = this->pts_db->insert_comp_measurement(this->pts_db,
+ measurement, this->ima_cid,
+ this->aik_id, 1, pcr, algo);
+ }
+ this->state = IMA_STATE_RUNTIME;
+
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+ break;
+ case IMA_STATE_RUNTIME:
+ {
+ uint8_t hash_buf[HASH_SIZE_SHA512];
+ chunk_t digest, hash;
+ enumerator_t *e;
+
+ this->count++;
+ if (evidence->get_validation(evidence, NULL) !=
+ PTS_COMP_EVID_VALIDATION_PASSED)
+ {
+ DBG1(DBG_PTS, "evidence validation failed");
+ this->count_failed++;
+ return FAILED;
+ }
+ hash = chunk_create(hash_buf, pts_meas_algo_hash_size(algo));
+
+ e = this->pts_db->create_file_meas_enumerator(this->pts_db,
+ pts->get_platform_id(pts),
+ hash_algo, ima_name);
+ if (e)
+ {
+ while (e->enumerate(e, &digest))
+ {
+ if (!ima_hash(digest, ima_algo, ima_name,
+ FALSE, algo, hash_buf))
+ {
+ status = FAILED;
+ break;
+ }
+ if (chunk_equals(measurement, hash))
+ {
+ status = SUCCESS;
+ break;
+ }
+ else
+ {
+ status = VERIFY_ERROR;
+ }
+ }
+ e->destroy(e);
+ }
+ else
+ {
+ status = FAILED;
+ }
+
+ switch (status)
+ {
+ case SUCCESS:
+ DBG3(DBG_PTS, "%#B for '%s' is ok",
+ &measurement, ima_name);
+ this->count_ok++;
+ break;
+ case NOT_FOUND:
+ DBG2(DBG_PTS, "%#B for '%s' not found",
+ &measurement, ima_name);
+ this->count_unknown++;
+ break;
+ case VERIFY_ERROR:
+ DBG1(DBG_PTS, "%#B for '%s' differs",
+ &measurement, ima_name);
+ this->count_differ++;
+ break;
+ case FAILED:
+ default:
+ DBG1(DBG_PTS, "%#B for '%s' failed",
+ &measurement, ima_name);
+ this->count_failed++;
+ }
+ break;
+ }
+ default:
+ return FAILED;
+ }
+ }
+ else
+ {
+ DBG1(DBG_PTS, "unsupported functional component name qualifier");
+ return FAILED;
+ }
+
+ has_pcr_info = evidence->get_pcr_info(evidence, &pcr_before, &pcr_after);
+ if (has_pcr_info)
+ {
+ if (!chunk_equals(pcr_before, pcrs->get(pcrs, pcr)))
+ {
+ DBG1(DBG_PTS, "PCR %2u: pcr_before is not equal to register value",
+ pcr);
+ }
+ if (pcrs->set(pcrs, pcr, pcr_after))
+ {
+ return status;
+ }
+ }
+ else
+ {
+ pcr_after = pcrs->extend(pcrs, pcr, measurement);
+ if (pcr_after.ptr)
+ {
+ return status;
+ }
+ }
+ return FAILED;
+}
+
+METHOD(pts_component_t, finalize, bool,
+ pts_ita_comp_ima_t *this, uint8_t qualifier, bio_writer_t *result)
+{
+ char result_buf[BUF_LEN];
+ char *pos = result_buf;
+ size_t len = BUF_LEN;
+ int written;
+ bool success = TRUE;
+
+ this->name->set_qualifier(this->name, qualifier);
+
+ if (qualifier == (PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_TRUSTED))
+ {
+ /* finalize BIOS measurements */
+ if (this->is_bios_registering)
+ {
+ /* close registration */
+ this->is_bios_registering = FALSE;
+
+ snprintf(pos, len, "registered %d BIOS evidence measurements",
+ this->seq_no);
+ }
+ else if (this->seq_no < this->bios_count)
+ {
+ snprintf(pos, len, "%d of %d BIOS evidence measurements missing",
+ this->bios_count - this->seq_no, this->bios_count);
+ success = FALSE;
+ }
+ else
+ {
+ snprintf(pos, len, "%d BIOS evidence measurements are ok",
+ this->bios_count);
+ }
+ }
+ else if (qualifier == (PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_OS))
+ {
+ /* finalize IMA file measurements */
+ if (this->is_ima_registering)
+ {
+ /* close registration */
+ this->is_ima_registering = FALSE;
+
+ written = snprintf(pos, len, "registered IMA boot aggregate "
+ "evidence measurement; ");
+ pos += written;
+ len -= written;
+ }
+ if (this->count)
+ {
+ snprintf(pos, len, "processed %d IMA file evidence measurements: "
+ "%d ok, %d unknown, %d differ, %d failed",
+ this->count, this->count_ok, this->count_unknown,
+ this->count_differ, this->count_failed);
+ }
+ else
+ {
+ snprintf(pos, len, "no IMA file evidence measurements");
+ success = FALSE;
+ }
+ }
+ else
+ {
+ snprintf(pos, len, "unsupported functional component name qualifier");
+ success = FALSE;
+ }
+ this->name->set_qualifier(this->name, PTS_QUALIFIER_UNKNOWN);
+
+ DBG1(DBG_PTS, "%s", result_buf);
+ result->write_data(result, chunk_from_str(result_buf));
+
+ return success;
+}
+
+METHOD(pts_component_t, get_ref, pts_component_t*,
+ pts_ita_comp_ima_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public;
+}
+
+METHOD(pts_component_t, destroy, void,
+ pts_ita_comp_ima_t *this)
+{
+ int count;
+
+ if (ref_put(&this->ref))
+ {
+
+ if (this->is_bios_registering)
+ {
+ count = this->pts_db->delete_comp_measurements(this->pts_db,
+ this->bios_cid, this->aik_id);
+ DBG1(DBG_PTS, "deleted %d registered BIOS evidence measurements",
+ count);
+ }
+ if (this->is_ima_registering)
+ {
+ count = this->pts_db->delete_comp_measurements(this->pts_db,
+ this->ima_cid, this->aik_id);
+ DBG1(DBG_PTS, "deleted registered boot aggregate evidence "
+ "measurement");
+ }
+ DESTROY_IF(this->bios_list);
+ DESTROY_IF(this->ima_list);
+ this->name->destroy(this->name);
+
+ free(this);
+ }
+}
+
+/**
+ * See header
+ */
+pts_component_t *pts_ita_comp_ima_create(uint32_t depth,
+ pts_database_t *pts_db)
+{
+ pts_ita_comp_ima_t *this;
+
+ INIT(this,
+ .public = {
+ .get_comp_func_name = _get_comp_func_name,
+ .get_evidence_flags = _get_evidence_flags,
+ .get_depth = _get_depth,
+ .measure = _measure,
+ .verify = _verify,
+ .finalize = _finalize,
+ .get_ref = _get_ref,
+ .destroy = _destroy,
+ },
+ .name = pts_comp_func_name_create(PEN_ITA, PTS_ITA_COMP_FUNC_NAME_IMA,
+ PTS_QUALIFIER_UNKNOWN),
+ .depth = depth,
+ .pts_db = pts_db,
+ .pcr_info = lib->settings->get_bool(lib->settings,
+ "%s.plugins.imc-attestation.pcr_info", FALSE, lib->ns),
+ .ref = 1,
+ );
+
+ return &this->public;
+}
+
diff --git a/src/libimcv/pts/components/ita/ita_comp_ima.h b/src/libimcv/pts/components/ita/ita_comp_ima.h
new file mode 100644
index 000000000..546d0a4b2
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_ima.h
@@ -0,0 +1,35 @@
+/*
+ * 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.
+ */
+
+/**
+ * @defgroup pts_ita_comp_func_name pts_ita_comp_func_name
+ * @{ @ingroup pts
+ */
+
+#ifndef PTS_ITA_COMP_IMA_H_
+#define PTS_ITA_COMP_IMA_H_
+
+#include "pts/components/pts_component.h"
+
+/**
+ * Create a PTS ITS Functional Component object
+ *
+ * @param depth Sub-component depth
+ * @param pts_db PTS measurement database
+ */
+pts_component_t* pts_ita_comp_ima_create(u_int32_t depth,
+ pts_database_t *pts_db);
+
+#endif /** PTS_ITA_COMP_IMA_H_ @}*/
diff --git a/src/libimcv/pts/components/ita/ita_comp_tboot.c b/src/libimcv/pts/components/ita/ita_comp_tboot.c
new file mode 100644
index 000000000..273c18f31
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_tboot.c
@@ -0,0 +1,362 @@
+/*
+ * Copyright (C) 2011-2014 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 "ita_comp_tboot.h"
+#include "ita_comp_func_name.h"
+
+#include "imcv.h"
+#include "pts/components/pts_component.h"
+
+#include <utils/debug.h>
+#include <pen/pen.h>
+
+typedef struct pts_ita_comp_tboot_t pts_ita_comp_tboot_t;
+
+/**
+ * Private data of a pts_ita_comp_tboot_t object.
+ *
+ */
+struct pts_ita_comp_tboot_t {
+
+ /**
+ * Public pts_component_t interface.
+ */
+ pts_component_t public;
+
+ /**
+ * Component Functional Name
+ */
+ pts_comp_func_name_t *name;
+
+ /**
+ * Sub-component depth
+ */
+ u_int32_t depth;
+
+ /**
+ * PTS measurement database
+ */
+ pts_database_t *pts_db;
+
+ /**
+ * Primary key for AIK database entry
+ */
+ int aik_id;
+
+ /**
+ * Primary key for Component Functional Name database entry
+ */
+ int cid;
+
+ /**
+ * Primary key for AIK database entry
+ */
+ int kid;
+
+ /**
+ * Component is registering measurements
+ */
+ bool is_registering;
+
+ /**
+ * Time of TBOOT measurement
+ */
+ time_t measurement_time;
+
+ /**
+ * Expected measurement count
+ */
+ int count;
+
+ /**
+ * Measurement sequence number
+ */
+ int seq_no;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+
+};
+
+METHOD(pts_component_t, get_comp_func_name, pts_comp_func_name_t*,
+ pts_ita_comp_tboot_t *this)
+{
+ return this->name;
+}
+
+METHOD(pts_component_t, get_evidence_flags, u_int8_t,
+ pts_ita_comp_tboot_t *this)
+{
+ return PTS_REQ_FUNC_COMP_EVID_PCR;
+}
+
+METHOD(pts_component_t, get_depth, u_int32_t,
+ pts_ita_comp_tboot_t *this)
+{
+ return this->depth;
+}
+
+METHOD(pts_component_t, measure, status_t,
+ pts_ita_comp_tboot_t *this, u_int8_t qualifier, pts_t *pts,
+ pts_comp_evidence_t **evidence)
+
+{
+ size_t pcr_len;
+ pts_pcr_t *pcrs;
+ pts_pcr_transform_t pcr_transform;
+ pts_meas_algorithms_t hash_algo;
+ pts_comp_evidence_t *evid;
+ char *meas_hex, *pcr_before_hex, *pcr_after_hex;
+ chunk_t measurement, pcr_before, pcr_after;
+ u_int32_t extended_pcr;
+
+ switch (this->seq_no++)
+ {
+ case 0:
+ /* dummy data since currently the TBOOT log is not retrieved */
+ time(&this->measurement_time);
+ meas_hex = lib->settings->get_str(lib->settings,
+ "%s.plugins.imc-attestation.pcr17_meas", NULL, lib->ns);
+ pcr_before_hex = lib->settings->get_str(lib->settings,
+ "%s.plugins.imc-attestation.pcr17_before", NULL, lib->ns);
+ pcr_after_hex = lib->settings->get_str(lib->settings,
+ "%s.plugins.imc-attestation.pcr17_after", NULL, lib->ns);
+ extended_pcr = PCR_TBOOT_POLICY;
+ break;
+ case 1:
+ /* dummy data since currently the TBOOT log is not retrieved */
+ meas_hex = lib->settings->get_str(lib->settings,
+ "%s.plugins.imc-attestation.pcr18_meas", NULL, lib->ns);
+ pcr_before_hex = lib->settings->get_str(lib->settings,
+ "%s.plugins.imc-attestation.pcr18_before", NULL, lib->ns);
+ pcr_after_hex = lib->settings->get_str(lib->settings,
+ "%s.plugins.imc-attestation.pcr18_after", NULL, lib->ns);
+ extended_pcr = PCR_TBOOT_MLE;
+ break;
+ default:
+ return FAILED;
+ }
+
+ if (meas_hex == NULL || pcr_before_hex == NULL || pcr_after_hex == NULL)
+ {
+ return FAILED;
+ }
+
+ hash_algo = PTS_MEAS_ALGO_SHA1;
+ pcr_len = HASH_SIZE_SHA1;
+ pcr_transform = pts_meas_algo_to_pcr_transform(hash_algo, pcr_len);
+
+ /* get and check the measurement data */
+ measurement = chunk_from_hex(
+ chunk_create(meas_hex, strlen(meas_hex)), NULL);
+ pcr_before = chunk_from_hex(
+ chunk_create(pcr_before_hex, strlen(pcr_before_hex)), NULL);
+ pcr_after = chunk_from_hex(
+ chunk_create(pcr_after_hex, strlen(pcr_after_hex)), NULL);
+ if (pcr_before.len != pcr_len || pcr_after.len != pcr_len ||
+ measurement.len != pcr_len)
+ {
+ DBG1(DBG_PTS, "TBOOT measurement or PCR data have the wrong size");
+ free(measurement.ptr);
+ free(pcr_before.ptr);
+ free(pcr_after.ptr);
+ return FAILED;
+ }
+
+ pcrs = pts->get_pcrs(pts);
+ pcrs->set(pcrs, extended_pcr, pcr_after);
+ evid = *evidence = pts_comp_evidence_create(this->name->clone(this->name),
+ this->depth, extended_pcr, hash_algo, pcr_transform,
+ this->measurement_time, measurement);
+ evid->set_pcr_info(evid, pcr_before, pcr_after);
+
+ return (this->seq_no < 2) ? NEED_MORE : SUCCESS;
+}
+
+METHOD(pts_component_t, verify, status_t,
+ pts_ita_comp_tboot_t *this, u_int8_t qualifier,pts_t *pts,
+ pts_comp_evidence_t *evidence)
+{
+ bool has_pcr_info;
+ u_int32_t extended_pcr, vid, name;
+ enum_name_t *names;
+ pts_meas_algorithms_t algo;
+ pts_pcr_transform_t transform;
+ pts_pcr_t *pcrs;
+ time_t measurement_time;
+ chunk_t measurement, pcr_before, pcr_after;
+ status_t status;
+
+ this->aik_id = pts->get_aik_id(pts);
+ pcrs = pts->get_pcrs(pts);
+ measurement = evidence->get_measurement(evidence, &extended_pcr,
+ &algo, &transform, &measurement_time);
+
+ status = this->pts_db->get_comp_measurement_count(this->pts_db,
+ this->name, this->aik_id, algo,
+ &this->cid, &this->count);
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+ vid = this->name->get_vendor_id(this->name);
+ name = this->name->get_name(this->name);
+ names = imcv_pts_components->get_comp_func_names(imcv_pts_components, vid);
+
+ if (this->count)
+ {
+ DBG1(DBG_PTS, "checking %d %N '%N' functional component evidence "
+ "measurements", this->count, pen_names, vid, names, name);
+ }
+ else
+ {
+ DBG1(DBG_PTS, "registering %N '%N' functional component evidence "
+ "measurements", pen_names, vid, names, name);
+ this->is_registering = TRUE;
+ }
+
+ if (this->is_registering)
+ {
+ status = this->pts_db->insert_comp_measurement(this->pts_db,
+ measurement, this->cid, this->aik_id,
+ ++this->seq_no, extended_pcr, algo);
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+ this->count = this->seq_no + 1;
+ }
+ else
+ {
+ status = this->pts_db->check_comp_measurement(this->pts_db,
+ measurement, this->cid, this->kid,
+ ++this->seq_no, extended_pcr, algo);
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+ }
+
+ has_pcr_info = evidence->get_pcr_info(evidence, &pcr_before, &pcr_after);
+ if (has_pcr_info)
+ {
+ if (!chunk_equals(pcr_before, pcrs->get(pcrs, extended_pcr)))
+ {
+ DBG1(DBG_PTS, "PCR %2u: pcr_before is not equal to register value",
+ extended_pcr);
+ }
+ if (pcrs->set(pcrs, extended_pcr, pcr_after))
+ {
+ return SUCCESS;
+ }
+ }
+
+ return SUCCESS;
+}
+
+METHOD(pts_component_t, finalize, bool,
+ pts_ita_comp_tboot_t *this, u_int8_t qualifier, bio_writer_t *result)
+{
+ char result_buf[BUF_LEN];
+
+ if (this->is_registering)
+ {
+ /* close registration */
+ this->is_registering = FALSE;
+
+ snprintf(result_buf, BUF_LEN, "registered %d evidence measurements",
+ this->seq_no);
+ }
+ else if (this->seq_no < this->count)
+ {
+ snprintf(result_buf, BUF_LEN, "%d of %d evidence measurements "
+ "missing", this->count - this->seq_no, this->count);
+ return FALSE;
+ }
+ else
+ {
+ snprintf(result_buf, BUF_LEN, "%d evidence measurements are ok",
+ this->count);
+ }
+ DBG1(DBG_PTS, "%s", result_buf);
+ result->write_data(result, chunk_from_str(result_buf));
+
+ return TRUE;
+}
+
+METHOD(pts_component_t, get_ref, pts_component_t*,
+ pts_ita_comp_tboot_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public;
+}
+
+METHOD(pts_component_t, destroy, void,
+ pts_ita_comp_tboot_t *this)
+{
+ int count;
+ u_int32_t vid, name;
+ enum_name_t *names;
+
+ if (ref_put(&this->ref))
+ {
+ if (this->is_registering)
+ {
+ count = this->pts_db->delete_comp_measurements(this->pts_db,
+ this->cid, this->aik_id);
+ vid = this->name->get_vendor_id(this->name);
+ name = this->name->get_name(this->name);
+ names = imcv_pts_components->get_comp_func_names(imcv_pts_components,
+ vid);
+ DBG1(DBG_PTS, "deleted %d registered %N '%N' functional component "
+ "evidence measurements", count, pen_names, vid, names, name);
+ }
+ this->name->destroy(this->name);
+ free(this);
+ }
+}
+
+/**
+ * See header
+ */
+pts_component_t *pts_ita_comp_tboot_create(u_int32_t depth,
+ pts_database_t *pts_db)
+{
+ pts_ita_comp_tboot_t *this;
+
+ INIT(this,
+ .public = {
+ .get_comp_func_name = _get_comp_func_name,
+ .get_evidence_flags = _get_evidence_flags,
+ .get_depth = _get_depth,
+ .measure = _measure,
+ .verify = _verify,
+ .finalize = _finalize,
+ .get_ref = _get_ref,
+ .destroy = _destroy,
+ },
+ .name = pts_comp_func_name_create(PEN_ITA, PTS_ITA_COMP_FUNC_NAME_TBOOT,
+ PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_TRUSTED),
+ .depth = depth,
+ .pts_db = pts_db,
+ .ref = 1,
+ );
+
+ return &this->public;
+}
+
diff --git a/src/libimcv/pts/components/ita/ita_comp_tboot.h b/src/libimcv/pts/components/ita/ita_comp_tboot.h
new file mode 100644
index 000000000..1e1a14831
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_tboot.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2011-2012 Sansar Choinyambuu, 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 pts_ita_comp_func_name pts_ita_comp_func_name
+ * @{ @ingroup pts
+ */
+
+#ifndef PTS_ITA_COMP_TBOOT_H_
+#define PTS_ITA_COMP_TBOOT_H_
+
+#include "pts/components/pts_component.h"
+
+/**
+ * Create a PTS ITS Functional Component object
+ *
+ * @param depth Sub-component depth
+ * @param pts_db PTS measurement database
+ */
+pts_component_t* pts_ita_comp_tboot_create(u_int32_t depth,
+ pts_database_t *pts_db);
+
+#endif /** PTS_ITA_COMP_TBOOT_H_ @}*/
diff --git a/src/libimcv/pts/components/ita/ita_comp_tgrub.c b/src/libimcv/pts/components/ita/ita_comp_tgrub.c
new file mode 100644
index 000000000..097e4c89c
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_tgrub.c
@@ -0,0 +1,208 @@
+/*
+ * 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 "ita_comp_tgrub.h"
+#include "ita_comp_func_name.h"
+
+#include "pts/components/pts_component.h"
+
+#include <utils/debug.h>
+#include <pen/pen.h>
+
+typedef struct pts_ita_comp_tgrub_t pts_ita_comp_tgrub_t;
+
+/**
+ * Private data of a pts_ita_comp_tgrub_t object.
+ *
+ */
+struct pts_ita_comp_tgrub_t {
+
+ /**
+ * Public pts_component_t interface.
+ */
+ pts_component_t public;
+
+ /**
+ * Component Functional Name
+ */
+ pts_comp_func_name_t *name;
+
+ /**
+ * Sub-component depth
+ */
+ u_int32_t depth;
+
+ /**
+ * PTS measurement database
+ */
+ pts_database_t *pts_db;
+
+ /**
+ * Reference count
+ */
+ refcount_t ref;
+
+};
+
+METHOD(pts_component_t, get_comp_func_name, pts_comp_func_name_t*,
+ pts_ita_comp_tgrub_t *this)
+{
+ return this->name;
+}
+
+METHOD(pts_component_t, get_evidence_flags, u_int8_t,
+ pts_ita_comp_tgrub_t *this)
+{
+ return PTS_REQ_FUNC_COMP_EVID_PCR;
+}
+
+METHOD(pts_component_t, get_depth, u_int32_t,
+ pts_ita_comp_tgrub_t *this)
+{
+ return this->depth;
+}
+
+METHOD(pts_component_t, measure, status_t,
+ pts_ita_comp_tgrub_t *this, u_int8_t qualifier, pts_t *pts,
+ pts_comp_evidence_t **evidence)
+{
+ size_t pcr_len;
+ pts_pcr_transform_t pcr_transform;
+ pts_meas_algorithms_t hash_algo;
+ pts_comp_evidence_t *evid;
+ u_int32_t extended_pcr;
+ time_t measurement_time;
+ chunk_t measurement, pcr_before, pcr_after;
+
+ /* Provisional implementation for TGRUB */
+ extended_pcr = PCR_DEBUG;
+ time(&measurement_time);
+
+ if (!pts->read_pcr(pts, extended_pcr, &pcr_after))
+ {
+ DBG1(DBG_PTS, "error occurred while reading PCR: %d", extended_pcr);
+ return FAILED;
+ }
+
+ hash_algo = PTS_MEAS_ALGO_SHA1;
+ pcr_len = HASH_SIZE_SHA1;
+ pcr_transform = pts_meas_algo_to_pcr_transform(hash_algo, pcr_len);
+
+ measurement = chunk_alloc(pcr_len);
+ memset(measurement.ptr, 0x00, measurement.len);
+
+ pcr_before = chunk_alloc(pcr_len);
+ memset(pcr_before.ptr, 0x00, pcr_before.len);
+
+ evid = *evidence = pts_comp_evidence_create(this->name->clone(this->name),
+ this->depth, extended_pcr,
+ hash_algo, pcr_transform,
+ measurement_time, measurement);
+ evid->set_pcr_info(evid, pcr_before, pcr_after);
+
+ return SUCCESS;
+}
+
+METHOD(pts_component_t, verify, status_t,
+ pts_ita_comp_tgrub_t *this, u_int8_t qualifier, pts_t *pts,
+ pts_comp_evidence_t *evidence)
+{
+ bool has_pcr_info;
+ u_int32_t extended_pcr;
+ pts_meas_algorithms_t algo;
+ pts_pcr_transform_t transform;
+ pts_pcr_t *pcrs;
+ time_t measurement_time;
+ chunk_t pcr_before, pcr_after;
+ chunk_t measurement __attribute__((unused));
+
+ pcrs = pts->get_pcrs(pts);
+ measurement = evidence->get_measurement(evidence, &extended_pcr,
+ &algo, &transform, &measurement_time);
+ if (extended_pcr != PCR_DEBUG)
+ {
+ return FAILED;
+ }
+
+ /* TODO check measurement in database */
+
+ has_pcr_info = evidence->get_pcr_info(evidence, &pcr_before, &pcr_after);
+ if (has_pcr_info)
+ {
+ if (!chunk_equals(pcr_before, pcrs->get(pcrs, extended_pcr)))
+ {
+ DBG1(DBG_PTS, "PCR %2u: pcr_before is not equal to pcr value");
+ }
+ if (pcrs->set(pcrs, extended_pcr, pcr_after))
+ {
+ return SUCCESS;
+ }
+ }
+
+ return SUCCESS;
+}
+
+METHOD(pts_component_t, finalize, bool,
+ pts_ita_comp_tgrub_t *this, u_int8_t qualifier, bio_writer_t *result)
+{
+ return FALSE;
+}
+
+METHOD(pts_component_t, get_ref, pts_component_t*,
+ pts_ita_comp_tgrub_t *this)
+{
+ ref_get(&this->ref);
+ return &this->public;
+}
+
+METHOD(pts_component_t, destroy, void,
+ pts_ita_comp_tgrub_t *this)
+{
+ if (ref_put(&this->ref))
+ {
+ this->name->destroy(this->name);
+ free(this);
+ }
+}
+
+/**
+ * See header
+ */
+pts_component_t *pts_ita_comp_tgrub_create(u_int32_t depth,
+ pts_database_t *pts_db)
+{
+ pts_ita_comp_tgrub_t *this;
+
+ INIT(this,
+ .public = {
+ .get_comp_func_name = _get_comp_func_name,
+ .get_evidence_flags = _get_evidence_flags,
+ .get_depth = _get_depth,
+ .measure = _measure,
+ .verify = _verify,
+ .finalize = _finalize,
+ .get_ref = _get_ref,
+ .destroy = _destroy,
+ },
+ .name = pts_comp_func_name_create(PEN_ITA, PTS_ITA_COMP_FUNC_NAME_TGRUB,
+ PTS_ITA_QUALIFIER_FLAG_KERNEL |
+ PTS_ITA_QUALIFIER_TYPE_TRUSTED),
+ .depth = depth,
+ .pts_db = pts_db,
+ .ref = 1,
+ );
+
+ return &this->public;
+}
diff --git a/src/libimcv/pts/components/ita/ita_comp_tgrub.h b/src/libimcv/pts/components/ita/ita_comp_tgrub.h
new file mode 100644
index 000000000..59913c82d
--- /dev/null
+++ b/src/libimcv/pts/components/ita/ita_comp_tgrub.h
@@ -0,0 +1,35 @@
+/*
+ * Copyright (C) 2011-2012 Sansar Choinyambuu, 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 pts_ita_comp_func_name pts_ita_comp_func_name
+ * @{ @ingroup pts
+ */
+
+#ifndef PTS_ITA_COMP_TGRUB_H_
+#define PTS_ITA_COMP_TGRUB_H_
+
+#include "pts/components/pts_component.h"
+
+/**
+ * Create a PTS ITS Functional Component object
+ *
+ * @param depth Sub-component depth
+ * @param pts_db PTS measurement database
+ */
+pts_component_t* pts_ita_comp_tgrub_create(u_int32_t depth,
+ pts_database_t *pts_db);
+
+#endif /** PTS_ITA_COMP_TGRUB_H_ @}*/