'openssl', 8
);
+INSERT INTO files ( /* 6 */
+ name, dir
+) VALUES (
+ 'tnc_config', 2
+);
+
/* Algorithms */
INSERT INTO algorithms (
INSERT INTO policies ( /* 8 */
type, name, rec_fail, rec_noresult
) VALUES (
- 9, 'No Open TCP Ports', 1, 1
+ 11, 'No Open TCP Ports', 1, 1
);
INSERT INTO policies ( /* 9 */
type, name, rec_fail, rec_noresult
) VALUES (
- 10, 'No Open UDP Ports', 1, 1
+ 12, 'No Open UDP Ports', 1, 1
+);
+
+INSERT INTO policies ( /* 10 */
+ type, name, file, rec_fail, rec_noresult
+) VALUES (
+ 7, 'Metadata of /etc/tnc_config', 6, 0, 0
+);
+
+INSERT INTO policies ( /* 11 */
+ type, name, dir, rec_fail, rec_noresult
+) VALUES (
+ 8, 'Measure as reference /bin', 1, 0, 0
+);
+
+INSERT INTO policies ( /* 12 */
+ type, name, file, rec_fail, rec_noresult
+) VALUES (
+ 6, 'Measure /usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0', 2, 2, 2
);
+INSERT INTO policies ( /* 13 */
+ type, name, file, rec_fail, rec_noresult
+) VALUES (
+ 6, 'Measure /usr/lib/x86_64-linux-gnu/libssl.so.1.0.0', 4, 2, 2
+);
+
+
/* Enforcements */
INSERT INTO enforcements (
INSERT INTO enforcements (
policy, group_id, max_age
) VALUES (
- 5, 2, 86400
+ 5, 4, 86400
);
INSERT INTO enforcements (
policy, group_id, max_age
) VALUES (
- 6, 2, 86400
+ 6, 4, 86400
);
INSERT INTO enforcements (
9, 5, 60
);
+INSERT INTO enforcements (
+ policy, group_id, max_age
+) VALUES (
+ 10, 2, 60
+);
+
+INSERT INTO enforcements (
+ policy, group_id, max_age
+) VALUES (
+ 11, 2, 86400
+);
+
+INSERT INTO enforcements (
+ policy, group_id, max_age
+) VALUES (
+ 12, 2, 86400
+);
+
+INSERT INTO enforcements (
+ policy, group_id, max_age
+) VALUES (
+ 13, 2, 86400
+);
+
{
enumerator_t *enumerator;
imv_state_t *state;
+ imv_session_t *session;
bool found = FALSE;
this->connection_lock->write_lock(this->connection_lock);
if (id == state->get_connection_id(state))
{
found = TRUE;
+ session = state->get_session(state);
+ if (session)
+ {
+ imcv_db->remove_session(imcv_db, session);
+ }
state->destroy(state);
this->connections->remove_at(this->connections, enumerator);
break;
if (imcv_db)
{
- session = imcv_db->get_session(imcv_db, conn_id, ar_id_type, ar_id_value);
+ session = imcv_db->add_session(imcv_db, conn_id, ar_id_type, ar_id_value);
if (session)
{
DBG2(DBG_IMV, " assigned session ID %d",
};
-METHOD(imv_database_t, get_session, imv_session_t*,
+METHOD(imv_database_t, add_session, imv_session_t*,
private_imv_database_t *this, TNC_ConnectionID conn_id,
u_int32_t ar_id_type, chunk_t ar_id_value)
{
return session;
}
+METHOD(imv_database_t, remove_session, void,
+ private_imv_database_t *this, imv_session_t *session)
+{
+ enumerator_t *enumerator;
+ imv_session_t *current;
+
+ this->mutex->lock(this->mutex);
+ enumerator = this->sessions->create_enumerator(this->sessions);
+ while (enumerator->enumerate(enumerator, ¤t))
+ {
+ if (current == session)
+ {
+ this->sessions->remove_at(this->sessions, enumerator);
+ break;
+ }
+ }
+ enumerator->destroy(enumerator);
+ this->mutex->unlock(this->mutex);
+}
+
METHOD(imv_database_t, add_product, int,
private_imv_database_t *this, imv_session_t *session, char *product)
{
{
imv_workitem_t *workitem;
imv_workitem_type_t type;
- imv_session_t *current;
- int id, session_id, rec_fail, rec_noresult;
- enumerator_t *enumerator, *e;
- char command[512], resp[128], *last, *argument;
+ int id, session_id, arg_int, rec_fail, rec_noresult;
+ enumerator_t *e;
+ char command[512], resp[128], *last, *arg_str;
FILE *shell;
session_id = session->get_session_id(session);
{
/* get workitem list generated by policy manager */
e = this->db->query(this->db,
- "SELECT id, type, argument, rec_fail, rec_noresult "
- "FROM workitems WHERE session = ?",
- DB_INT, session_id, DB_INT, DB_INT, DB_TEXT, DB_INT, DB_INT);
+ "SELECT id, type, arg_str, arg_int, rec_fail, rec_noresult "
+ "FROM workitems WHERE session = ?", DB_INT, session_id,
+ DB_INT, DB_INT, DB_TEXT, DB_INT,DB_INT, DB_INT);
if (!e)
{
DBG1(DBG_IMV, "no workitem enumerator returned");
return FALSE;
}
- while (e->enumerate(e, &id, &type, &argument, &rec_fail, &rec_noresult))
+ while (e->enumerate(e, &id, &type, &arg_str, &arg_int, &rec_fail,
+ &rec_noresult))
{
- workitem = imv_workitem_create(id, type, argument, rec_fail,
+ workitem = imv_workitem_create(id, type, arg_str, arg_int, rec_fail,
rec_noresult);
session->insert_workitem(session, workitem);
}
}
else if (!start && session->get_policy_started(session))
{
- /* remove session */
- this->mutex->lock(this->mutex);
- enumerator = this->sessions->create_enumerator(this->sessions);
- while (enumerator->enumerate(enumerator, ¤t))
- {
- if (current == session)
- {
- this->sessions->remove_at(this->sessions, enumerator);
- break;
- }
- }
- enumerator->destroy(enumerator);
- this->mutex->unlock(this->mutex);
-
session->set_policy_started(session, FALSE);
}
INIT(this,
.public = {
- .get_session = _get_session,
+ .add_session = _add_session,
+ .remove_session = _remove_session,
.add_product = _add_product,
.add_device = _add_device,
.add_recommendation = _add_recommendation,
* @param ar_id_value Access Requestor identity value
* @return Session associated with TNCCS Connection
*/
- imv_session_t* (*get_session)(imv_database_t *this,
+ imv_session_t* (*add_session)(imv_database_t *this,
TNC_ConnectionID conn_id,
u_int32_t ar_id_type, chunk_t ar_id_value);
+ /**
+ * Remove and delete a session
+ *
+ * @param session Session
+ */
+ void (*remove_session)(imv_database_t *this, imv_session_t *session);
+
/**
* Add product information string to a session database entry
*
/**
* global debug output variables
*/
-static int debug_level = 2;
+static int debug_level = 1;
static bool stderr_quiet = FALSE;
/**
{
enumerator_t *e;
int id, gid, device_id, product_id, group_id = 0;
- int type, rec_fail, rec_noresult;
+ int type, file, dir, arg_int, rec_fail, rec_noresult;
char *argument;
/* get session data */
/* get enforcements for given group */
e = db->query(db,
- "SELECT e.id, p.type, p.argument, p.rec_fail, p.rec_noresult "
+ "SELECT e.id, "
+ "p.type, p.argument, p.file, p.dir, p.rec_fail, p.rec_noresult "
"FROM enforcements AS e JOIN policies as p ON e.policy = p.id "
- "WHERE e.group_id = ?",
- DB_INT, group_id, DB_INT, DB_INT, DB_TEXT, DB_INT, DB_INT);
+ "WHERE e.group_id = ?", DB_INT, group_id,
+ DB_INT, DB_INT, DB_TEXT, DB_INT, DB_INT, DB_INT, DB_INT);
if (!e)
{
return FALSE;
}
- while (e->enumerate(e, &id, &type, &argument, &rec_fail, &rec_noresult))
+ while (e->enumerate(e, &id, &type, &argument, &file, &dir, &rec_fail,
+ &rec_noresult))
{
+ /* determine arg_int */
+ switch ((imv_workitem_type_t)type)
+ {
+ case IMV_WORKITEM_FILE_REF_MEAS:
+ case IMV_WORKITEM_FILE_MEAS:
+ case IMV_WORKITEM_FILE_META:
+ arg_int = file;
+ break;
+ case IMV_WORKITEM_DIR_REF_MEAS:
+ case IMV_WORKITEM_DIR_MEAS:
+ case IMV_WORKITEM_DIR_META:
+ arg_int = dir;
+ break;
+ default:
+ arg_int = 0;
+ }
+
/* insert a workitem */
if (db->execute(db, NULL,
- "INSERT INTO workitems (session, enforcement, type, argument, "
- "rec_fail, rec_noresult) VALUES (?, ?, ?, ?, ?, ?)",
+ "INSERT INTO workitems (session, enforcement, type, arg_str, "
+ "arg_int, rec_fail, rec_noresult) VALUES (?, ?, ?, ?, ?, ?, ?)",
DB_INT, session_id, DB_INT, id, DB_INT, type, DB_TEXT, argument,
- DB_INT, rec_fail, DB_INT, rec_noresult) != 1)
+ DB_INT, arg_int, DB_INT, rec_fail, DB_INT, rec_noresult) != 1)
{
e->destroy(e);
fprintf(stderr, "could not insert workitem\n");
enumerator_t *e;
int rec, policy;
char *result;
- bool no_worklists = TRUE;
e = db->query(db,
"SELECT w.rec_final, w.result, e.policy FROM workitems AS w "
{
while (e->enumerate(e, &rec, &result, &policy))
{
- no_worklists = FALSE;
-
- /* insert result */
db->execute(db, NULL,
"INSERT INTO results (session, policy, rec, result) "
"VALUES (?, ?, ?, ?)", DB_INT, session_id, DB_INT, policy,
DB_INT, rec, DB_TEXT, result);
}
e->destroy(e);
-
- if (no_worklists)
- {
- return TRUE;
- }
}
return db->execute(db, NULL,
"DELETE FROM workitems WHERE session = ?",
- DB_UINT, session_id) > 0;
+ DB_UINT, session_id) >= 0;
}
int main(int argc, char *argv[])
/* attach IMV database */
uri = lib->settings->get_str(lib->settings, "libimcv.database", NULL);
+ if (!uri)
+ {
+ fprintf(stderr, "database uri not defined.\n");
+ exit(SS_RC_INITIALIZATION_FAILED);
+ }
+
db = lib->db->create(lib->db, uri);
if (!db)
{
*/
u_int32_t (*get_max_msg_len)(imv_state_t *this);
+ /**
+ * Set flags for completed actions
+ *
+ * @param flags Flags to be set
+ */
+ void (*set_action_flags)(imv_state_t *this, u_int32_t flags);
+
+ /**
+ * Get flags set for completed actions
+ *
+ * @return Flags set for completed actions
+ */
+ u_int32_t (*get_action_flags)(imv_state_t *this);
+
/**
* Set Access Requestor ID
*
"PWDEN",
"FREFM",
"FMEAS",
+ "FMETA",
"DREFM",
"DMEAS",
+ "DMETA",
"TCPSC",
"UDPSC"
);
/**
* Argument string
*/
- char *argument;
+ char *arg_str;
+
+ /**
+ * Argument integer
+ */
+ int arg_int;
/**
* Result string
return this->type;
}
-METHOD(imv_workitem_t, get_argument, char*,
+METHOD(imv_workitem_t, get_arg_str, char*,
+ private_imv_workitem_t *this)
+{
+ return this->arg_str;
+}
+
+METHOD(imv_workitem_t, get_arg_int, int,
private_imv_workitem_t *this)
{
- return this->argument;
+ return this->arg_int;
}
METHOD(imv_workitem_t, set_result, TNC_IMV_Action_Recommendation,
this->rec_final = this->rec_noresult;
break;
}
- DBG2(DBG_IMV, "workitem %N: %N%s%s", imv_workitem_type_names, this->type,
- TNC_IMV_Action_Recommendation_names, this->rec_final,
- strlen(result) ? " - " : "", result);
+ DBG2(DBG_IMV, "IMV %d handled %N workitem %d: %N%s%s", this->imv_id,
+ imv_workitem_type_names, this->type, this->id,
+ TNC_IMV_Action_Recommendation_names, this->rec_final,
+ strlen(result) ? " - " : "", result);
return this->rec_final;
}
METHOD(imv_workitem_t, destroy, void,
private_imv_workitem_t *this)
{
- free(this->argument);
+ free(this->arg_str);
free(this->result);
free(this);
}
* See header
*/
imv_workitem_t *imv_workitem_create(int id, imv_workitem_type_t type,
- char *argument,
+ char *arg_str, int arg_int,
TNC_IMV_Action_Recommendation rec_fail,
TNC_IMV_Action_Recommendation rec_noresult)
{
.set_imv_id = _set_imv_id,
.get_imv_id = _get_imv_id,
.get_type = _get_type,
- .get_argument = _get_argument,
+ .get_arg_str = _get_arg_str,
+ .get_arg_int = _get_arg_int,
.set_result = _set_result,
.get_result = _get_result,
.destroy = _destroy,
.id = id,
.imv_id = TNC_IMVID_ANY,
.type = type,
- .argument = strdup(argument),
+ .arg_str = arg_str ? strdup(arg_str) : NULL,
+ .arg_int = arg_int,
.rec_fail = rec_fail,
.rec_noresult = rec_noresult,
.rec_final = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
IMV_WORKITEM_DEFAULT_PWD = 4,
IMV_WORKITEM_FILE_REF_MEAS = 5,
IMV_WORKITEM_FILE_MEAS = 6,
- IMV_WORKITEM_DIR_REF_MEAS = 7,
- IMV_WORKITEM_DIR_MEAS = 8,
- IMV_WORKITEM_TCP_SCAN = 9,
- IMV_WORKITEM_UDP_SCAN = 10
+ IMV_WORKITEM_FILE_META = 7,
+ IMV_WORKITEM_DIR_REF_MEAS = 8,
+ IMV_WORKITEM_DIR_MEAS = 9,
+ IMV_WORKITEM_DIR_META = 10,
+ IMV_WORKITEM_TCP_SCAN = 11,
+ IMV_WORKITEM_UDP_SCAN = 12
};
extern enum_name_t *imv_workitem_type_names;
TNC_IMVID (*get_imv_id)(imv_workitem_t *this);
/**
- * Get argument string
+ * Get string argument
*
* @return Argument string
*/
- char* (*get_argument)(imv_workitem_t *this);
+ char* (*get_arg_str)(imv_workitem_t *this);
+
+ /**
+ * Get integer argument
+ *
+ * @return Argument integer
+ */
+ int (*get_arg_int)(imv_workitem_t *this);
/**
* Set result string
*
* @param id Primary workitem key
* @param type Workitem type
- * @param argument Argument string
+ * @param arg_str String argument
+ * @param arg_int Integer argument
* @param rec_fail Recommendation with minor/major non-compliance case
* @param rec_noresult Recommendation in don't know/error case
*/
imv_workitem_t *imv_workitem_create(int id, imv_workitem_type_t type,
- char *argument,
+ char *arg_str, int arg_int,
TNC_IMV_Action_Recommendation rec_fail,
TNC_IMV_Action_Recommendation rec_noresult);
session integer NOT NULL REFERENCES sessions(id),
enforcement integer NOT NULL REFERENCES enforcements(id),
type integer NOT NULL,
- argument text NOT NULL,
+ arg_str text,
+ arg_int INTEGER DEFAULT 0,
rec_fail integer NOT NULL,
rec_noresult integer NOT NULL,
rec_final integer,
ietf_attr_product_info_t *attr_cast;
pen_t vendor_id;
- os_state->set_received(os_state,
- IMV_OS_ATTR_PRODUCT_INFORMATION);
+ state->set_action_flags(state,
+ IMV_OS_ATTR_PRODUCT_INFORMATION);
attr_cast = (ietf_attr_product_info_t*)attr;
os_name = attr_cast->get_info(attr_cast, &vendor_id, NULL);
if (vendor_id != PEN_IETF)
{
ietf_attr_string_version_t *attr_cast;
- os_state->set_received(os_state,
- IMV_OS_ATTR_STRING_VERSION);
+ state->set_action_flags(state,
+ IMV_OS_ATTR_STRING_VERSION);
attr_cast = (ietf_attr_string_version_t*)attr;
os_version = attr_cast->get_version(attr_cast, NULL, NULL);
if (os_version.len)
ietf_attr_numeric_version_t *attr_cast;
u_int32_t major, minor;
- os_state->set_received(os_state,
- IMV_OS_ATTR_NUMERIC_VERSION);
+ state->set_action_flags(state,
+ IMV_OS_ATTR_NUMERIC_VERSION);
attr_cast = (ietf_attr_numeric_version_t*)attr;
attr_cast->get_version(attr_cast, &major, &minor);
DBG1(DBG_IMV, "operating system numeric version is %d.%d",
op_result_t op_result;
time_t last_boot;
- os_state->set_received(os_state,
- IMV_OS_ATTR_OPERATIONAL_STATUS);
+ state->set_action_flags(state,
+ IMV_OS_ATTR_OPERATIONAL_STATUS);
attr_cast = (ietf_attr_op_status_t*)attr;
op_status = attr_cast->get_status(attr_cast);
op_result = attr_cast->get_result(attr_cast);
ietf_attr_fwd_enabled_t *attr_cast;
os_fwd_status_t fwd_status;
- os_state->set_received(os_state,
- IMV_OS_ATTR_FORWARDING_ENABLED);
+ state->set_action_flags(state,
+ IMV_OS_ATTR_FORWARDING_ENABLED);
attr_cast = (ietf_attr_fwd_enabled_t*)attr;
fwd_status = attr_cast->get_status(attr_cast);
DBG1(DBG_IMV, "IPv4 forwarding is %N",
ietf_attr_default_pwd_enabled_t *attr_cast;
bool default_pwd_status;
- os_state->set_received(os_state,
+ state->set_action_flags(state,
IMV_OS_ATTR_FACTORY_DEFAULT_PWD_ENABLED);
attr_cast = (ietf_attr_default_pwd_enabled_t*)attr;
default_pwd_status = attr_cast->get_status(attr_cast);
enumerator_t *e;
status_t status;
- os_state->set_received(os_state,
- IMV_OS_ATTR_INSTALLED_PACKAGES);
+ state->set_action_flags(state,
+ IMV_OS_ATTR_INSTALLED_PACKAGES);
if (!this->db)
{
break;
char *name;
chunk_t value;
- os_state->set_received(os_state, IMV_OS_ATTR_SETTINGS);
+ state->set_action_flags(state, IMV_OS_ATTR_SETTINGS);
attr_cast = (ita_attr_settings_t*)attr;
e = attr_cast->create_enumerator(attr_cast);
int device_id;
chunk_t value;
- os_state->set_received(os_state, IMV_OS_ATTR_DEVICE_ID);
+ state->set_action_flags(state, IMV_OS_ATTR_DEVICE_ID);
value = attr->get_value(attr);
DBG1(DBG_IMV, "device ID is %.*s", value.len, value.ptr);
/**
* Build an IETF Attribute Request attribute for missing attributes
*/
-static pa_tnc_attr_t* build_attr_request(u_int received)
+static pa_tnc_attr_t* build_attr_request(u_int32_t received)
{
pa_tnc_attr_t *attr;
ietf_attr_attr_request_t *attr_cast;
TNC_Result result = TNC_RESULT_SUCCESS;
bool no_workitems = TRUE;
enumerator_t *enumerator;
- u_int received;
+ u_int32_t received;
if (!this->agent->get_state(this->agent, id, &state))
{
}
os_state = (imv_os_state_t*)state;
handshake_state = os_state->get_handshake_state(os_state);
- received = os_state->get_received(os_state);
+ received = state->get_action_flags(state);
session = state->get_session(state);
imv_id = this->agent->get_id(this->agent);
+ if (handshake_state == IMV_OS_STATE_END)
+ {
+ return TNC_RESULT_SUCCESS;
+ }
+
/* create an empty out message - we might need it */
- out_msg = imv_msg_create(this->agent, state, id,
- this->agent->get_id(this->agent),
- TNC_IMCID_ANY, msg_types[0]);
+ out_msg = imv_msg_create(this->agent, state, id, imv_id, TNC_IMCID_ANY,
+ msg_types[0]);
if (handshake_state == IMV_OS_STATE_INIT)
{
if (no_workitems)
{
- DBG2(DBG_IMV, "no workitems generated - no evaluation requested");
+ DBG2(DBG_IMV, "IMV %d has no workitems - "
+ "no evaluation requested", imv_id);
state->set_recommendation(state,
TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
/* finalized all workitems ? */
if (session->get_workitem_count(session, imv_id) == 0)
{
+ os_state->set_handshake_state(os_state, IMV_OS_STATE_END);
+
result = out_msg->send_assessment(out_msg);
out_msg->destroy(out_msg);
if (result != TNC_RESULT_SUCCESS)
*/
u_int32_t max_msg_len;
+ /**
+ * Flags set for completed actions
+ */
+ u_int32_t action_flags;
+
/**
* Access Requestor ID Type
*/
*/
int count_ok;
- /**
- * Flags set for received attributes
- */
- u_int received_flags;
-
/**
* OS Settings
*/
return this->max_msg_len;
}
+METHOD(imv_state_t, set_action_flags, void,
+ private_imv_os_state_t *this, u_int32_t flags)
+{
+ this->action_flags |= flags;
+}
+
+METHOD(imv_state_t, get_action_flags, u_int32_t,
+ private_imv_os_state_t *this)
+{
+ return this->action_flags;
+}
+
METHOD(imv_state_t, set_ar_id, void,
private_imv_os_state_t *this, u_int32_t id_type, chunk_t id_value)
{
}
}
-METHOD(imv_os_state_t, set_received, void,
- private_imv_os_state_t *this, u_int flags)
-{
- this->received_flags |= flags;
-}
-
-METHOD(imv_os_state_t, get_received, u_int,
- private_imv_os_state_t *this)
-{
- return this->received_flags;
-}
-
METHOD(imv_os_state_t, set_device_id, void,
private_imv_os_state_t *this, int id)
{
.set_flags = _set_flags,
.set_max_msg_len = _set_max_msg_len,
.get_max_msg_len = _get_max_msg_len,
+ .set_action_flags = _set_action_flags,
+ .get_action_flags = _get_action_flags,
.set_ar_id = _set_ar_id,
.get_ar_id = _get_ar_id,
.set_session = _set_session,
.get_info = _get_info,
.set_count = _set_count,
.get_count = _get_count,
- .set_received = _set_received,
- .get_received = _get_received,
.set_device_id = _set_device_id,
.get_device_id = _get_device_id,
.set_os_settings = _set_os_settings,
IMV_OS_STATE_INIT,
IMV_OS_STATE_ATTR_REQ,
IMV_OS_STATE_POLICY_START,
- IMV_OS_STATE_WORKITEMS
+ IMV_OS_STATE_WORKITEMS,
+ IMV_OS_STATE_END
};
/**
void (*get_count)(imv_os_state_t *this, int *count, int *count_update,
int *count_blacklist, int *count_ok);
- /**
- * Set flags for received attributes
- *
- * @param flags Flags to be set
- */
- void (*set_received)(imv_os_state_t *this, u_int flags);
-
- /**
- * Get flags set for received attributes
- *
- * @return Flags set for received attributes
- */
- u_int (*get_received)(imv_os_state_t *this);
-
/**
* Set device ID
*
#include <pts/pts_creds.h>
#include <tcg/tcg_attr.h>
+#include <tcg/tcg_pts_attr_req_file_meas.h>
+#include <tcg/tcg_pts_attr_req_file_meta.h>
#include <tncif_pa_subtypes.h>
}
}
-/**
- * Build a message to be sent
- */
-static TNC_Result send_message(private_imv_attestation_agent_t *this,
- imv_state_t *state, imv_msg_t *out_msg)
-{
- imv_attestation_state_t *attestation_state;
- TNC_Result result;
-
- attestation_state = (imv_attestation_state_t*)state;
-
- if (imv_attestation_build(out_msg, attestation_state,
- this->supported_algorithms,
- this->supported_dh_groups, this->pts_db))
- {
- result = out_msg->send(out_msg, TRUE);
- }
- else
- {
- result = TNC_RESULT_FATAL;
- }
-
- return result;
-}
-
/**
* Process a received message
*/
DBG1(DBG_IMV, "received TCG-PTS error '%N'",
pts_error_code_names, error_code.type);
DBG1(DBG_IMV, "error information: %B", &msg_info);
-
- result = TNC_RESULT_FATAL;
+ fatal_error = TRUE;
}
break;
}
}
else if (type.vendor_id == PEN_TCG)
{
- if (!imv_attestation_process(attr, out_msg, attestation_state,
+ if (!imv_attestation_process(attr, out_msg, state,
this->supported_algorithms, this->supported_dh_groups,
this->pts_db, this->pts_credmgr))
{
}
enumerator->destroy(enumerator);
+ /**
+ * The IETF Product Information and String Version attributes
+ * are supposed to arrive in the same PA-TNC message
+ */
if (os_name.len && os_version.len)
{
pts->set_platform_info(pts, os_name, os_version);
/* send PA-TNC message with excl flag set */
result = out_msg->send(out_msg, TRUE);
-
- if (result != TNC_RESULT_SUCCESS)
- {
- out_msg->destroy(out_msg);
- return result;
- }
-
- /* check the IMV state for the next PA-TNC attributes to send */
- result = send_message(this, state, out_msg);
-
- if (result != TNC_RESULT_SUCCESS)
- {
- state->set_recommendation(state,
- TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
- TNC_IMV_EVALUATION_RESULT_ERROR);
- result = out_msg->send_assessment(out_msg);
- out_msg->destroy(out_msg);
- if (result != TNC_RESULT_SUCCESS)
- {
- return result;
- }
- return this->agent->provide_recommendation(this->agent, state);
- }
-
- if (attestation_state->get_handshake_state(attestation_state) ==
- IMV_ATTESTATION_STATE_END)
- {
- if (attestation_state->get_file_meas_request_count(attestation_state))
- {
- DBG1(DBG_IMV, "failure due to %d pending file measurements",
- attestation_state->get_file_meas_request_count(attestation_state));
- attestation_state->set_measurement_error(attestation_state,
- IMV_ATTESTATION_ERROR_FILE_MEAS_PEND);
- }
- if (attestation_state->get_measurement_error(attestation_state))
- {
- state->set_recommendation(state,
- TNC_IMV_ACTION_RECOMMENDATION_ISOLATE,
- TNC_IMV_EVALUATION_RESULT_NONCOMPLIANT_MAJOR);
- }
- else
- {
- state->set_recommendation(state,
- TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
- TNC_IMV_EVALUATION_RESULT_COMPLIANT);
- }
- result = out_msg->send_assessment(out_msg);
- out_msg->destroy(out_msg);
- if (result != TNC_RESULT_SUCCESS)
- {
- return result;
- }
- return this->agent->provide_recommendation(this->agent, state);
- }
out_msg->destroy(out_msg);
return result;
-
}
METHOD(imv_agent_if_t, receive_message, TNC_Result,
in_msg->destroy(in_msg);
return result;
-
}
METHOD(imv_agent_if_t, batch_ending, TNC_Result,
private_imv_attestation_agent_t *this, TNC_ConnectionID id)
{
- return TNC_RESULT_SUCCESS;
+ imv_msg_t *out_msg;
+ imv_state_t *state;
+ imv_session_t *session;
+ imv_attestation_state_t *attestation_state;
+ TNC_IMVID imv_id;
+ TNC_Result result = TNC_RESULT_SUCCESS;
+ pts_t *pts;
+ char *platform_info;
+
+ if (!this->agent->get_state(this->agent, id, &state))
+ {
+ return TNC_RESULT_FATAL;
+ }
+ attestation_state = (imv_attestation_state_t*)state;
+ pts = attestation_state->get_pts(attestation_state);
+ platform_info = pts->get_platform_info(pts);
+ session = state->get_session(state);
+ imv_id = this->agent->get_id(this->agent);
+
+ /* create an empty out message - we might need it */
+ out_msg = imv_msg_create(this->agent, state, id, imv_id, TNC_IMCID_ANY,
+ msg_types[0]);
+
+ if (platform_info && session &&
+ (state->get_action_flags(state) & IMV_ATTESTATION_FLAG_ALGO) &&
+ !(state->get_action_flags(state) & IMV_ATTESTATION_FLAG_FILE_MEAS))
+ {
+ imv_workitem_t *workitem;
+ bool is_dir, no_workitems = TRUE;
+ u_int32_t delimiter = SOLIDUS_UTF;
+ u_int16_t request_id;
+ pa_tnc_attr_t *attr;
+ char *pathname;
+ enumerator_t *enumerator;
+
+ enumerator = session->create_workitem_enumerator(session);
+ if (enumerator)
+ {
+ while (enumerator->enumerate(enumerator, &workitem))
+ {
+ if (workitem->get_imv_id(workitem) != TNC_IMVID_ANY)
+ {
+ continue;
+ }
+
+ switch (workitem->get_type(workitem))
+ {
+ case IMV_WORKITEM_FILE_REF_MEAS:
+ case IMV_WORKITEM_FILE_MEAS:
+ case IMV_WORKITEM_FILE_META:
+ is_dir = FALSE;
+ break;
+ case IMV_WORKITEM_DIR_REF_MEAS:
+ case IMV_WORKITEM_DIR_MEAS:
+ case IMV_WORKITEM_DIR_META:
+ is_dir = TRUE;
+ break;
+ default:
+ continue;
+ }
+
+ pathname = this->pts_db->get_pathname(this->pts_db, is_dir,
+ workitem->get_arg_int(workitem));
+ if (!pathname)
+ {
+ continue;
+ }
+ workitem->set_imv_id(workitem, imv_id);
+ no_workitems = FALSE;
+
+ if (workitem->get_type(workitem) == IMV_WORKITEM_FILE_META)
+ {
+ TNC_IMV_Action_Recommendation rec;
+ TNC_IMV_Evaluation_Result eval;
+
+ DBG2(DBG_IMV, "IMV %d requests metadata for %s '%s'",
+ imv_id, is_dir ? "directory" : "file", pathname);
+ attr = tcg_pts_attr_req_file_meta_create(is_dir,
+ delimiter, pathname);
+ /* currently just fire and forget metadata requests */
+ eval = TNC_IMV_EVALUATION_RESULT_COMPLIANT;
+ session->remove_workitem(session, enumerator);
+ rec = workitem->set_result(workitem, "", eval);
+ state->update_recommendation(state, rec, eval);
+ imcv_db->finalize_workitem(imcv_db, workitem);
+ workitem->destroy(workitem);
+ }
+ else
+ {
+ /* use lower 16 bits of the workitem ID as request ID */
+ request_id = workitem->get_id(workitem) & 0xffff;
+
+ DBG2(DBG_IMV, "IMV %d requests measurement %d for %s '%s'",
+ imv_id, request_id, is_dir ? "directory" : "file",
+ pathname);
+ attr = tcg_pts_attr_req_file_meas_create(is_dir, request_id,
+ delimiter, pathname);
+ }
+ free(pathname);
+ attr->set_noskip_flag(attr, TRUE);
+ out_msg->add_attribute(out_msg, attr);
+ }
+ enumerator->destroy(enumerator);
+
+ /* sent all file and directory measurement and metadata requests */
+ state->set_action_flags(state, IMV_ATTESTATION_FLAG_FILE_MEAS);
+
+ if (no_workitems)
+ {
+ DBG2(DBG_IMV, "IMV %d has no workitems - "
+ "no evaluation requested", imv_id);
+ state->set_recommendation(state,
+ TNC_IMV_ACTION_RECOMMENDATION_ALLOW,
+ TNC_IMV_EVALUATION_RESULT_DONT_KNOW);
+ }
+ }
+ }
+
+ /* check the IMV state for the next PA-TNC attributes to send */
+ if (!imv_attestation_build(out_msg, attestation_state,
+ this->supported_algorithms,
+ this->supported_dh_groups, this->pts_db))
+ {
+ state->set_recommendation(state,
+ TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
+ TNC_IMV_EVALUATION_RESULT_ERROR);
+ result = out_msg->send_assessment(out_msg);
+ out_msg->destroy(out_msg);
+ if (result != TNC_RESULT_SUCCESS)
+ {
+ return result;
+ }
+ return this->agent->provide_recommendation(this->agent, state);
+ }
+
+ /* finalized all workitems? */
+ if (session && session->get_workitem_count(session, imv_id) == 0 &&
+ attestation_state->get_handshake_state(attestation_state) ==
+ IMV_ATTESTATION_STATE_END)
+ {
+ result = out_msg->send_assessment(out_msg);
+ out_msg->destroy(out_msg);
+ if (result != TNC_RESULT_SUCCESS)
+ {
+ return result;
+ }
+ return this->agent->provide_recommendation(this->agent, state);
+ }
+
+ /* send non-empty PA-TNC message with excl flag not set */
+ if (out_msg->get_attribute_count(out_msg))
+ {
+ result = out_msg->send(out_msg, FALSE);
+ }
+ out_msg->destroy(out_msg);
+
+ return result;
}
METHOD(imv_agent_if_t, solicit_recommendation, TNC_Result,
private_imv_attestation_agent_t *this, TNC_ConnectionID id)
{
+ TNC_IMVID imv_id;
imv_state_t *state;
+ imv_attestation_state_t *attestation_state;
+ imv_session_t *session;
if (!this->agent->get_state(this->agent, id, &state))
{
return TNC_RESULT_FATAL;
}
+ attestation_state = (imv_attestation_state_t*)state;
+ session = state->get_session(state);
+ imv_id = this->agent->get_id(this->agent);
+
+ if (session)
+ {
+ imv_workitem_t *workitem;
+ enumerator_t *enumerator;
+ int pending_file_meas = 0;
+
+ enumerator = session->create_workitem_enumerator(session);
+ if (enumerator)
+ {
+ while (enumerator->enumerate(enumerator, &workitem))
+ {
+ if (workitem->get_imv_id(workitem) != imv_id)
+ {
+ continue;
+ }
+ switch (workitem->get_type(workitem))
+ {
+ case IMV_WORKITEM_FILE_REF_MEAS:
+ case IMV_WORKITEM_FILE_MEAS:
+ case IMV_WORKITEM_DIR_REF_MEAS:
+ case IMV_WORKITEM_DIR_MEAS:
+ pending_file_meas++;
+ break;
+ default:
+ break;
+ }
+ }
+ enumerator->destroy(enumerator);
+
+ if (pending_file_meas)
+ {
+ DBG1(DBG_IMV, "failure due to %d pending file measurements",
+ pending_file_meas);
+ attestation_state->set_measurement_error(attestation_state,
+ IMV_ATTESTATION_ERROR_FILE_MEAS_PEND);
+ }
+ }
+ }
return this->agent->provide_recommendation(this->agent, state);
}
"libimcv.plugins.imv-attestation.dh_group", "ecp256");
cadir = lib->settings->get_str(lib->settings,
"libimcv.plugins.imv-attestation.cadir", NULL);
- libpts_init();
INIT(this,
.public = {
.pts_db = pts_database_create(imcv_db),
);
+ libpts_init();
+
if (!this->agent ||
!pts_meas_algo_probe(&this->supported_algorithms) ||
!pts_dh_group_probe(&this->supported_dh_groups) ||
#include <tcg/tcg_pts_attr_get_aik.h>
#include <tcg/tcg_pts_attr_req_func_comp_evid.h>
#include <tcg/tcg_pts_attr_gen_attest_evid.h>
-#include <tcg/tcg_pts_attr_req_file_meas.h>
-#include <tcg/tcg_pts_attr_req_file_meta.h>
#include <utils/debug.h>
if (handshake_state == IMV_ATTESTATION_STATE_NONCE_REQ &&
!(pts->get_proto_caps(pts) & PTS_PROTO_CAPS_D))
{
- DBG2(DBG_IMV, "PTS-IMC does not support DH Nonce negotiation - "
- "advancing to TPM Initialization");
+ DBG2(DBG_IMV, "PTS-IMC does not support DH Nonce negotiation");
handshake_state = IMV_ATTESTATION_STATE_TPM_INIT;
}
if (handshake_state == IMV_ATTESTATION_STATE_TPM_INIT &&
!(pts->get_proto_caps(pts) & PTS_PROTO_CAPS_T))
{
- DBG2(DBG_IMV, "PTS-IMC made no TPM available - "
- "advancing to File Measurements");
- handshake_state = IMV_ATTESTATION_STATE_MEAS;
+ DBG2(DBG_IMV, "PTS-IMC made no TPM available");
+ handshake_state = IMV_ATTESTATION_STATE_END;
}
switch (handshake_state)
attr->set_noskip_flag(attr, TRUE);
out_msg->add_attribute(out_msg, attr);
- attestation_state->set_handshake_state(attestation_state,
- IMV_ATTESTATION_STATE_MEAS);
- break;
- }
- case IMV_ATTESTATION_STATE_MEAS:
- {
- enumerator_t *enumerator;
- u_int32_t delimiter = SOLIDUS_UTF;
- char *platform_info, *pathname;
- u_int16_t request_id;
- int id, type;
- bool is_dir, have_request = FALSE;
-
attestation_state->set_handshake_state(attestation_state,
IMV_ATTESTATION_STATE_COMP_EVID);
-
- /* Get Platform and OS of the PTS-IMC */
- platform_info = pts->get_platform_info(pts);
-
- if (!pts_db || !platform_info)
- {
- DBG1(DBG_IMV, "%s%s%s not available",
- (pts_db) ? "" : "pts database",
- (!pts_db && !platform_info) ? "and" : "",
- (platform_info) ? "" : "platform info");
- break;
- }
- DBG1(DBG_IMV, "platform is '%s'", platform_info);
-
- /* Send Request File Metadata attribute */
- enumerator = pts_db->create_file_meta_enumerator(pts_db,
- platform_info);
- if (!enumerator)
- {
- break;
- }
- while (enumerator->enumerate(enumerator, &type, &pathname))
- {
- is_dir = (type != 0);
- DBG2(DBG_IMV, "metadata request for %s '%s'",
- is_dir ? "directory" : "file", pathname);
- attr = tcg_pts_attr_req_file_meta_create(is_dir, delimiter,
- pathname);
- attr->set_noskip_flag(attr, TRUE);
- out_msg->add_attribute(out_msg, attr);
- have_request = TRUE;
- }
- enumerator->destroy(enumerator);
-
- /* Send Request File Measurement attribute */
- enumerator = pts_db->create_file_meas_enumerator(pts_db,
- platform_info);
- if (!enumerator)
- {
- break;
- }
- while (enumerator->enumerate(enumerator, &id, &type, &pathname))
- {
- is_dir = (type != 0);
- request_id = attestation_state->add_file_meas_request(
- attestation_state, id, is_dir);
- DBG2(DBG_IMV, "measurement request %d for %s '%s'",
- request_id, is_dir ? "directory" : "file", pathname);
- attr = tcg_pts_attr_req_file_meas_create(is_dir, request_id,
- delimiter, pathname);
- attr->set_noskip_flag(attr, TRUE);
- out_msg->add_attribute(out_msg, attr);
- have_request = TRUE;
- }
- enumerator->destroy(enumerator);
-
- /* do we have any file metadata or measurement requests? */
- if (have_request)
- {
- break;
- }
- /* fall through to next state */
+ break;
}
case IMV_ATTESTATION_STATE_COMP_EVID:
{
}
break;
case IMV_ATTESTATION_STATE_END:
+ attestation_state->set_handshake_state(attestation_state,
+ IMV_ATTESTATION_STATE_END);
break;
}
return TRUE;
/*
- * Copyright (C) 2011-2012 Sansar Choinyambuu, Andreas Steffen
+ * Copyright (C) 2011-2013 Sansar Choinyambuu, Andreas Steffen
* HSR Hochschule fuer Technik Rapperswil
*
* This program is free software; you can redistribute it and/or modify it
#include "imv_attestation_process.h"
+#include <imcv.h>
#include <ietf/ietf_attr_pa_tnc_error.h>
#include <pts/pts.h>
#include <inttypes.h>
bool imv_attestation_process(pa_tnc_attr_t *attr, imv_msg_t *out_msg,
- imv_attestation_state_t *attestation_state,
+ imv_state_t *state,
pts_meas_algorithms_t supported_algorithms,
pts_dh_group_t supported_dh_groups,
pts_database_t *pts_db,
credential_manager_t *pts_credmgr)
{
+ imv_attestation_state_t *attestation_state;
pen_type_t attr_type;
pts_t *pts;
+ attestation_state = (imv_attestation_state_t*)state;
pts = attestation_state->get_pts(attestation_state);
attr_type = attr->get_type(attr);
return FALSE;
}
pts->set_meas_algorithm(pts, selected_algorithm);
+ state->set_action_flags(state, IMV_ATTESTATION_FLAG_ALGO);
break;
}
case TCG_PTS_DH_NONCE_PARAMS_RESP:
}
case TCG_PTS_FILE_MEAS:
{
+ TNC_IMV_Evaluation_Result eval;
+ TNC_IMV_Action_Recommendation rec;
tcg_pts_attr_file_meas_t *attr_cast;
u_int16_t request_id;
- int file_count, file_id;
+ int arg_int, file_count;
pts_meas_algorithms_t algo;
pts_file_meas_t *measurements;
+ imv_session_t *session;
+ imv_workitem_t *workitem, *found = NULL;
+ imv_workitem_type_t type;
char *platform_info;
- enumerator_t *e_hash;
bool is_dir;
+ enumerator_t *enumerator;
+ eval = TNC_IMV_EVALUATION_RESULT_COMPLIANT;
+ session = state->get_session(state);
+ algo = pts->get_meas_algorithm(pts);
platform_info = pts->get_platform_info(pts);
- if (!pts_db || !platform_info)
- {
- DBG1(DBG_IMV, "%s%s%s not available",
- (pts_db) ? "" : "pts database",
- (!pts_db && !platform_info) ? "and" : "",
- (platform_info) ? "" : "platform info");
- break;
- }
-
attr_cast = (tcg_pts_attr_file_meas_t*)attr;
measurements = attr_cast->get_measurements(attr_cast);
- algo = pts->get_meas_algorithm(pts);
request_id = measurements->get_request_id(measurements);
file_count = measurements->get_file_count(measurements);
if (request_id)
{
- if (!attestation_state->check_off_file_meas_request(
- attestation_state, request_id, &file_id, &is_dir))
+ enumerator = session->create_workitem_enumerator(session);
+ while (enumerator->enumerate(enumerator, &workitem))
+ {
+ /* request ID consist of lower 16 bits of workitem ID */
+ if ((workitem->get_id(workitem) & 0xffff) == request_id)
+ {
+ found = workitem;
+ break;
+ }
+ }
+
+ if (!found)
{
DBG1(DBG_IMV, " no entry found for file measurement "
"request %d", request_id);
+ enumerator->destroy(enumerator);
break;
}
+ type = found->get_type(found);
+ arg_int = found->get_arg_int(found);
+
+ switch (type)
+ {
+ default:
+ case IMV_WORKITEM_FILE_REF_MEAS:
+ case IMV_WORKITEM_FILE_MEAS:
+ is_dir = FALSE;
+ break;
+ case IMV_WORKITEM_DIR_REF_MEAS:
+ case IMV_WORKITEM_DIR_MEAS:
+ is_dir = TRUE;
+ }
- /* check hashes from database against measurements */
- e_hash = pts_db->create_file_hash_enumerator(pts_db,
- platform_info, algo, file_id, is_dir);
- if (!measurements->verify(measurements, e_hash, is_dir))
+ switch (type)
{
- attestation_state->set_measurement_error(attestation_state,
+ case IMV_WORKITEM_FILE_MEAS:
+ case IMV_WORKITEM_DIR_MEAS:
+ {
+ enumerator_t *e;
+
+ /* check hashes from database against measurements */
+ e = pts_db->create_file_hash_enumerator(pts_db,
+ platform_info, algo, is_dir, arg_int);
+ if (!e)
+ {
+ eval = TNC_IMV_EVALUATION_RESULT_ERROR;
+ break;
+ }
+ if (!measurements->verify(measurements, e, is_dir))
+ {
+ attestation_state->set_measurement_error(
+ attestation_state,
IMV_ATTESTATION_ERROR_FILE_MEAS_FAIL);
+ eval = TNC_IMV_EVALUATION_RESULT_NONCOMPLIANT_MINOR;
+ }
+ e->destroy(e);
+ break;
+ }
+ case IMV_WORKITEM_FILE_REF_MEAS:
+ case IMV_WORKITEM_DIR_REF_MEAS:
+ {
+ enumerator_t *e;
+ char *filename;
+ chunk_t measurement;
+
+ e = measurements->create_enumerator(measurements);
+ while (e->enumerate(e, &filename, &measurement))
+ {
+ if (pts_db->add_file_measurement(pts_db,
+ platform_info, algo, measurement, filename,
+ is_dir, arg_int) != SUCCESS)
+ {
+ eval = TNC_IMV_EVALUATION_RESULT_ERROR;
+ }
+ }
+ e->destroy(e);
+ break;
+ }
+ default:
+ break;
}
- e_hash->destroy(e_hash);
+
+ session->remove_workitem(session, enumerator);
+ enumerator->destroy(enumerator);
+ rec = found->set_result(found, "", eval);
+ state->update_recommendation(state, rec, eval);
+ imcv_db->finalize_workitem(imcv_db, found);
+ found->destroy(found);
}
else
{
*
* @param attr PA-TNC attribute to be processed
* @param out_msg PA-TNC message containing error messages
- * @param attestation_state attestation state of a given connection
+ * @param state state of a given connection
* @param supported_algorithms supported PTS measurement algorithms
* @param supported_dh_groups supported DH groups
* @param pts_db PTS configuration database
* @return TRUE if successful
*/
bool imv_attestation_process(pa_tnc_attr_t *attr, imv_msg_t *out_msg,
- imv_attestation_state_t *attestation_state,
+ imv_state_t *state,
pts_meas_algorithms_t supported_algorithms,
pts_dh_group_t supported_dh_groups,
pts_database_t *pts_db,
*/
u_int32_t max_msg_len;
+ /**
+ * Flags set for completed actions
+ */
+ u_int32_t action_flags;
+
/**
* Access Requestor ID Type
*/
*/
TNC_IMV_Evaluation_Result eval;
- /**
- * File Measurement Request counter
- */
- u_int16_t file_meas_request_counter;
-
- /**
- * List of PTS File/Directory Measurement requests
- */
- linked_list_t *file_meas_requests;
-
/**
* List of Functional Components
*/
};
-/**
- * PTS File/Directory Measurement request entry
- */
-struct file_meas_request_t {
- u_int16_t id;
- int file_id;
- bool is_dir;
-};
-
/**
* PTS Functional Component entry
*/
return this->max_msg_len;
}
+METHOD(imv_state_t, set_action_flags, void,
+ private_imv_attestation_state_t *this, u_int32_t flags)
+{
+ this->action_flags |= flags;
+}
+
+METHOD(imv_state_t, get_action_flags, u_int32_t,
+ private_imv_attestation_state_t *this)
+{
+ return this->action_flags;
+}
+
METHOD(imv_state_t, set_ar_id, void,
private_imv_attestation_state_t *this, u_int32_t id_type, chunk_t id_value)
{
{
DESTROY_IF(this->session);
DESTROY_IF(this->reason_string);
- this->file_meas_requests->destroy_function(this->file_meas_requests, free);
this->components->destroy_function(this->components, (void *)free_func_comp);
this->pts->destroy(this->pts);
free(this->ar_id_value.ptr);
return this->pts;
}
-METHOD(imv_attestation_state_t, add_file_meas_request, u_int16_t,
- private_imv_attestation_state_t *this, int file_id, bool is_dir)
-{
- file_meas_request_t *request;
-
- request = malloc_thing(file_meas_request_t);
- request->id = ++this->file_meas_request_counter;
- request->file_id = file_id;
- request->is_dir = is_dir;
- this->file_meas_requests->insert_last(this->file_meas_requests, request);
-
- return this->file_meas_request_counter;
-}
-
-METHOD(imv_attestation_state_t, check_off_file_meas_request, bool,
- private_imv_attestation_state_t *this, u_int16_t id, int *file_id,
- bool* is_dir)
-{
- enumerator_t *enumerator;
- file_meas_request_t *request;
- bool found = FALSE;
-
- enumerator = this->file_meas_requests->create_enumerator(this->file_meas_requests);
- while (enumerator->enumerate(enumerator, &request))
- {
- if (request->id == id)
- {
- found = TRUE;
- *file_id = request->file_id;
- *is_dir = request->is_dir;
- this->file_meas_requests->remove_at(this->file_meas_requests, enumerator);
- free(request);
- break;
- }
- }
- enumerator->destroy(enumerator);
- return found;
-}
-
-METHOD(imv_attestation_state_t, get_file_meas_request_count, int,
- private_imv_attestation_state_t *this)
-{
- return this->file_meas_requests->get_count(this->file_meas_requests);
-}
-
METHOD(imv_attestation_state_t, create_component, pts_component_t*,
private_imv_attestation_state_t *this, pts_comp_func_name_t *name,
u_int32_t depth, pts_database_t *pts_db)
.set_flags = _set_flags,
.set_max_msg_len = _set_max_msg_len,
.get_max_msg_len = _get_max_msg_len,
+ .set_action_flags = _set_action_flags,
+ .get_action_flags = _get_action_flags,
.set_ar_id = _set_ar_id,
.get_ar_id = _get_ar_id,
.set_session = _set_session,
.get_handshake_state = _get_handshake_state,
.set_handshake_state = _set_handshake_state,
.get_pts = _get_pts,
- .add_file_meas_request = _add_file_meas_request,
- .check_off_file_meas_request = _check_off_file_meas_request,
- .get_file_meas_request_count = _get_file_meas_request_count,
.create_component = _create_component,
.get_component = _get_component,
.finalize_components = _finalize_components,
.handshake_state = IMV_ATTESTATION_STATE_INIT,
.rec = TNC_IMV_ACTION_RECOMMENDATION_NO_RECOMMENDATION,
.eval = TNC_IMV_EVALUATION_RESULT_DONT_KNOW,
- .file_meas_requests = linked_list_create(),
.components = linked_list_create(),
.pts = pts_create(FALSE),
);
#include <library.h>
typedef struct imv_attestation_state_t imv_attestation_state_t;
+typedef enum imv_attestation_flag_t imv_attestation_flag_t;
typedef enum imv_attestation_handshake_state_t imv_attestation_handshake_state_t;
typedef enum imv_meas_error_t imv_meas_error_t;
+/**
+ * IMV Attestation Flags set for completed actions
+ */
+enum imv_attestation_flag_t {
+ IMV_ATTESTATION_FLAG_ALGO = (1<<0),
+ IMV_ATTESTATION_FLAG_FILE_MEAS = (1<<1)
+};
+
/**
* IMV Attestation Handshake States (state machine)
*/
IMV_ATTESTATION_STATE_INIT,
IMV_ATTESTATION_STATE_NONCE_REQ,
IMV_ATTESTATION_STATE_TPM_INIT,
- IMV_ATTESTATION_STATE_MEAS,
IMV_ATTESTATION_STATE_COMP_EVID,
IMV_ATTESTATION_STATE_EVID_FINAL,
IMV_ATTESTATION_STATE_END,
*/
pts_t* (*get_pts)(imv_attestation_state_t *this);
- /**
- * Add an entry to the list of pending file/directory measurement requests
- *
- * @param file_id primary key into file table
- * @param is_dir TRUE if directory
- * @return unique request ID
- */
- u_int16_t (*add_file_meas_request)(imv_attestation_state_t *this,
- int file_id, bool is_dir);
-
- /**
- * Returns the number of pending file/directory measurement requests
- *
- * @return number of pending requests
- */
- int (*get_file_meas_request_count)(imv_attestation_state_t *this);
-
- /**
- * Check for presence of request_id and if found remove it from the list
- *
- * @param id unique request ID
- * @param file_id primary key into file table
- * @param is_dir return TRUE if request was for a directory
- * @return TRUE if request ID found, FALSE otherwise
- */
- bool (*check_off_file_meas_request)(imv_attestation_state_t *this,
- u_int16_t id, int *file_id, bool *is_dir);
-
/**
* Create and add an entry to the list of Functional Components
*
* for more details.
*/
+#define _GNU_SOURCE
+#include <stdio.h>
+
#include "pts_database.h"
#include <utils/debug.h>
};
-METHOD(pts_database_t, create_file_meas_enumerator, enumerator_t*,
- private_pts_database_t *this, char *product)
+METHOD(pts_database_t, get_pathname, char*,
+ private_pts_database_t *this, bool is_dir, int id)
{
enumerator_t *e;
+ char *path, *name, *pathname;
- /* look for all entries belonging to a product in the files table */
- e = this->db->query(this->db,
- "SELECT f.id, f.type, f.path FROM files AS f "
- "JOIN product_file AS pf ON f.id = pf.file "
- "JOIN products AS p ON p.id = pf.product "
- "WHERE p.name = ? AND pf.measurement = 1",
- DB_TEXT, product, DB_INT, DB_INT, DB_TEXT);
- return e;
-}
-
-METHOD(pts_database_t, create_file_meta_enumerator, enumerator_t*,
- private_pts_database_t *this, char *product)
-{
- enumerator_t *e;
+ if (is_dir)
+ {
+ e = this->db->query(this->db,
+ "SELECT path FROM directories WHERE id = ?",
+ DB_INT, id, DB_TEXT);
+ if (!e || !e->enumerate(e, &path))
+ {
+ pathname = NULL;
+ }
+ else
+ {
+ pathname = strdup(path);
+ }
+ }
+ else
+ {
+ e = this->db->query(this->db,
+ "SELECT d.path, f.name FROM files AS f "
+ "JOIN directories AS d ON d.id = f.dir WHERE f.id = ?",
+ DB_INT, id, DB_TEXT, DB_TEXT);
+ if (!e || !e->enumerate(e, &path, &name) ||
+ asprintf(&pathname, "%s%s%s",
+ path, streq(path, "/") ? "" : "/", name) == -1)
+ {
+ pathname = NULL;
+ }
+ }
+ DESTROY_IF(e);
- /* look for all entries belonging to a product in the files table */
- e = this->db->query(this->db,
- "SELECT f.type, f.path FROM files AS f "
- "JOIN product_file AS pf ON f.id = pf.file "
- "JOIN products AS p ON p.id = pf.product "
- "WHERE p.name = ? AND pf.metadata = 1",
- DB_TEXT, product, DB_INT, DB_TEXT);
- return e;
+ return pathname;
}
METHOD(pts_database_t, create_file_hash_enumerator, enumerator_t*,
private_pts_database_t *this, char *product, pts_meas_algorithms_t algo,
- int id, bool is_dir)
+ bool is_dir, int id)
{
enumerator_t *e;
if (is_dir)
{
e = this->db->query(this->db,
- "SELECT f.path, fh.hash FROM file_hashes AS fh "
- "JOIN files AS f ON fh.file = f.id "
- "JOIN products AS p ON fh.product = p.id "
- "WHERE p.name = ? AND fh.directory = ? AND fh.algo = ? "
- "ORDER BY f.path",
- DB_TEXT, product, DB_INT, id, DB_INT, algo, DB_TEXT, DB_BLOB);
+ "SELECT f.name, fh.hash FROM file_hashes AS fh "
+ "JOIN files AS f ON f.id = fh.file "
+ "JOIN products AS p ON p.id = fh.product "
+ "JOIN directories as d ON d.id = f.dir "
+ "WHERE p.name = ? AND fh.algo = ? AND d.id = ? "
+ "ORDER BY f.name",
+ DB_TEXT, product, DB_INT, algo, DB_INT, id, DB_TEXT, DB_BLOB);
}
else
{
e = this->db->query(this->db,
- "SELECT f.path, fh.hash FROM file_hashes AS fh "
- "JOIN files AS f ON fh.file = f.id "
- "JOIN products AS p ON fh.product = p.id "
- "WHERE p.name = ? AND fh.file = ? AND fh.algo = ?",
- DB_TEXT, product, DB_INT, id, DB_INT, algo, DB_TEXT, DB_BLOB);
+ "SELECT f.name, fh.hash FROM file_hashes AS fh "
+ "JOIN files AS f ON f.id = fh.file "
+ "JOIN products AS p ON p.id = fh.product "
+ "WHERE p.name = ? AND fh.algo = ? AND fh.file = ?",
+ DB_TEXT, product, DB_INT, algo, DB_INT, id, DB_TEXT, DB_BLOB);
}
return e;
}
return SUCCESS;
}
+METHOD(pts_database_t, add_file_measurement, status_t,
+ private_pts_database_t *this, char *product, pts_meas_algorithms_t algo,
+ chunk_t measurement, char *filename, bool is_dir, int id)
+{
+ enumerator_t *e;
+ char *name;
+ chunk_t hash_value;
+ int hash_id, fid, pid = 0;
+ status_t status = SUCCESS;
+
+ /* get primary key of product string */
+ e = this->db->query(this->db,
+ "SELECT id FROM products WHERE name = ?", DB_TEXT, product, DB_INT);
+ if (e)
+ {
+ e->enumerate(e, &pid);
+ e->destroy(e);
+ }
+ if (pid == 0)
+ {
+ return FAILED;
+ }
+
+ if (is_dir)
+ {
+ /* does filename entry already exist? */
+ e = this->db->query(this->db,
+ "SELECT id FROM files WHERE name = ? AND dir = ?",
+ DB_TEXT, filename, DB_INT, id);
+ if (!e)
+ {
+ return FAILED;
+ }
+ if (!e->enumerate(e, &fid))
+ {
+ /* create filename entry */
+ if (this->db->execute(this->db, &fid,
+ "INSERT INTO files (name, dir) VALUES (?, ?)",
+ DB_TEXT, filename, DB_INT, id) != 1)
+ {
+ DBG1(DBG_PTS, "could not insert filename into database");
+ status = FAILED;
+ }
+ }
+ e->destroy(e);
+ }
+ else
+ {
+ fid = id;
+
+ /* verify filename */
+ e = this->db->query(this->db,
+ "SELECT name FROM files WHERE id = ?", DB_INT, fid, DB_TEXT);
+ if (!e)
+ {
+ return FAILED;
+ }
+ if (!e->enumerate(e, &name) || !streq(name, filename))
+ {
+ DBG1(DBG_PTS, "filename of reference measurement does not match");
+ status = FAILED;
+ }
+ e->destroy(e);
+ }
+
+ if (status != SUCCESS)
+ {
+ return status;
+ }
+
+ /* does hash measurement value already exist? */
+ e = this->db->query(this->db,
+ "SELECT fh.id, fh.hash FROM file_hashes AS fh "
+ "WHERE fh.product = ? AND fh.algo = ? AND fh.file = ?",
+ DB_INT, pid, DB_INT, algo, DB_INT, fid, DB_INT, DB_BLOB);
+ if (!e)
+ {
+ return FAILED;
+ }
+ if (e->enumerate(e, &hash_id, &hash_value))
+ {
+ if (!chunk_equals(measurement, hash_value))
+ {
+ /* update hash measurement value */
+ if (this->db->execute(this->db, &hash_id,
+ "UPDATE file_hashes SET hash = ? WHERE id = ?",
+ DB_BLOB, measurement, DB_INT, hash_id) != 1)
+ {
+ status = FAILED;
+ }
+ }
+ }
+ else
+ {
+ /* insert hash measurement value */
+ if (this->db->execute(this->db, &hash_id,
+ "INSERT INTO file_hashes (file, product, algo, hash) "
+ "VALUES (?, ?, ?, ?)", DB_INT, fid, DB_INT, pid,
+ DB_INT, algo, DB_BLOB, measurement) != 1)
+ {
+ status = FAILED;
+ }
+ }
+ e->destroy(e);
+
+ return status;
+}
+
METHOD(pts_database_t, check_file_measurement, status_t,
private_pts_database_t *this, char *product, pts_meas_algorithms_t algo,
chunk_t measurement, char *filename)
INIT(this,
.public = {
- .create_file_meas_enumerator = _create_file_meas_enumerator,
- .create_file_meta_enumerator = _create_file_meta_enumerator,
+ .get_pathname = _get_pathname,
.create_comp_evid_enumerator = _create_comp_evid_enumerator,
.create_file_hash_enumerator = _create_file_hash_enumerator,
.check_aik_keyid = _check_aik_keyid,
+ .add_file_measurement = _add_file_measurement,
.check_file_measurement = _check_file_measurement,
.check_comp_measurement = _check_comp_measurement,
.insert_comp_measurement = _insert_comp_measurement,
struct pts_database_t {
/**
- * Get files/directories to be measured by PTS
+ * Get absolute pathname for file or directory measurement
*
- * @param product Software product (os, vpn client, etc.)
- * @return Enumerator over all matching files/directories
+ * @param is_dir TRUE if dir, FALSE if file
+ * @param id Primary key into directories or files table
+ * @return Absolute pathname as a text string
*/
- enumerator_t* (*create_file_meas_enumerator)(pts_database_t *this,
- char *product);
-
- /**
- * Get files/directories to request metadata of
- *
- * @param product Software product (os, vpn client, etc.)
- * @return Enumerator over all matching files/directories
- */
- enumerator_t* (*create_file_meta_enumerator)(pts_database_t *this,
- char *product);
+ char* (*get_pathname)(pts_database_t *this, bool is_dir, int id);
/**
* Get stored measurement hash for single file or directory entries
*
* @param product Software product (os, vpn client, etc.)
* @param algo Hash algorithm used for measurement
- * @param id Primary key of measured file/directory
* @param is_dir TRUE if directory was measured
+ * @param id Primary key of measured file/directory
* @return Enumerator over all matching measurement hashes
*/
enumerator_t* (*create_file_hash_enumerator)(pts_database_t *this,
char *product, pts_meas_algorithms_t algo,
- int id, bool is_dir);
+ bool is_dir, int id);
/**
* Check if an AIK given by its keyid is registered in the database
*/
enumerator_t* (*create_comp_evid_enumerator)(pts_database_t *this, int kid);
+ /**
+ * Add PTS file measurement reference value
+ *
+ * @param product Software product (os, vpn client, etc.)
+ * @param algo File measurement hash algorithm used
+ * @param measurement File measurement hash
+ * @param filename Optional name of the file to be checked
+ * @param is_dir TRUE if part of directory measurement
+ * @param id Primary key into direcories/files table
+ * @return Status
+ */
+ status_t (*add_file_measurement)(pts_database_t *this, char *product,
+ pts_meas_algorithms_t algo,
+ chunk_t measurement, char *filename,
+ bool is_dir, int id);
+
/**
* Check PTS file measurement against reference stored in database
*