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Implemented segmented SWID tag attributes on IMV side

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This commit is contained in:
Andreas Steffen
2014-04-15 09:21:06 +02:00
parent 8c40609f96
commit 3e7044b45e
58 changed files with 178 additions and 71 deletions
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src/libpts/plugins/imv_swid/imv_swid_agent.c
+59 -27
View File
@@ -44,6 +44,14 @@ static pen_type_t msg_types[] = {
{ PEN_TCG, PA_SUBTYPE_TCG_SWID }
};
/**
* Flag set when corresponding attribute has been received
*/
enum imv_swid_attr_t {
IMV_SWID_ATTR_TAG_INV = (1<<0),
IMV_SWID_ATTR_TAG_ID_INV = (1<<1)
};
/**
* Private data of an imv_swid_agent_t object.
*/
@@ -113,13 +121,11 @@ static TNC_Result receive_msg(private_imv_swid_agent_t *this,
enumerator = in_msg->create_attribute_enumerator(in_msg);
while (enumerator->enumerate(enumerator, &attr))
{
TNC_IMV_Evaluation_Result eval;
TNC_IMV_Action_Recommendation rec;
pen_type_t type;
uint32_t request_id, last_eid, eid_epoch;
swid_inventory_t *inventory;
int tag_count;
char result_str[BUF_LEN], *tag_item;
char *tag_item;
imv_workitem_t *workitem, *found = NULL;
enumerator_t *et, *ew;
@@ -176,12 +182,12 @@ static TNC_Result receive_msg(private_imv_swid_agent_t *this,
{
case ITA_ATTR_START_ANGEL:
swid_state->set_angel_count(swid_state, TRUE);
break;
continue;
case ITA_ATTR_STOP_ANGEL:
swid_state->set_angel_count(swid_state, FALSE);
break;
continue;
default:
break;
continue;
}
}
else if (type.vendor_id != PEN_TCG)
@@ -197,6 +203,8 @@ static TNC_Result receive_msg(private_imv_swid_agent_t *this,
swid_tag_id_t *tag_id;
chunk_t tag_creator, unique_sw_id;
state->set_action_flags(state, IMV_SWID_ATTR_TAG_ID_INV);
attr_cast = (tcg_swid_attr_tag_id_inv_t*)attr;
request_id = attr_cast->get_request_id(attr_cast);
last_eid = attr_cast->get_last_eid(attr_cast, &eid_epoch);
@@ -230,6 +238,8 @@ static TNC_Result receive_msg(private_imv_swid_agent_t *this,
swid_tag_t *tag;
chunk_t tag_encoding;
state->set_action_flags(state, IMV_SWID_ATTR_TAG_INV);
attr_cast = (tcg_swid_attr_tag_inv_t*)attr;
request_id = attr_cast->get_request_id(attr_cast);
last_eid = attr_cast->get_last_eid(attr_cast, &eid_epoch);
@@ -257,8 +267,6 @@ static TNC_Result receive_msg(private_imv_swid_agent_t *this,
default:
continue;
}
tag_count = inventory->get_count(inventory);
swid_state->set_count(swid_state, tag_count);
ew = session->create_workitem_enumerator(session);
while (ew->enumerate(ew, &workitem))
@@ -269,28 +277,18 @@ static TNC_Result receive_msg(private_imv_swid_agent_t *this,
break;
}
}
if (!found)
if (found)
{
/* accumulate the swid tag [ID] count */
tag_count = inventory->get_count(inventory);
swid_state->set_count(swid_state, tag_count);
}
else
{
DBG1(DBG_IMV, "no workitem found for SWID %s inventory "
"with request ID %d", tag_item, request_id);
ew->destroy(ew);
continue;
}
if (!swid_state->get_angel_count(swid_state))
{
swid_state->get_count(swid_state, &tag_count);
snprintf(result_str, BUF_LEN, "received inventory of %d SWID %s%s",
tag_count, tag_item, (tag_count == 1) ? "" : "s");
session->remove_workitem(session, ew);
ew->destroy(ew);
eval = TNC_IMV_EVALUATION_RESULT_COMPLIANT;
rec = found->set_result(found, result_str, eval);
state->update_recommendation(state, rec, eval);
imcv_db->finalize_workitem(imcv_db, found);
found->destroy(found);
}
ew->destroy(ew);
}
enumerator->destroy(enumerator);
@@ -366,7 +364,7 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
TNC_IMVID imv_id;
TNC_Result result = TNC_RESULT_SUCCESS;
bool no_workitems = TRUE;
uint32_t request_id;
uint32_t request_id, received;
uint8_t flags;
enumerator_t *enumerator;
@@ -456,6 +454,40 @@ METHOD(imv_agent_if_t, batch_ending, TNC_Result,
}
}
received = state->get_action_flags(state);
if (handshake_state == IMV_SWID_STATE_WORKITEMS &&
(received & (IMV_SWID_ATTR_TAG_INV|IMV_SWID_ATTR_TAG_ID_INV)) &&
swid_state->get_angel_count(swid_state) <= 0)
{
TNC_IMV_Evaluation_Result eval;
TNC_IMV_Action_Recommendation rec;
char result_str[BUF_LEN], *tag_item;
int tag_count;
enumerator = session->create_workitem_enumerator(session);
while (enumerator->enumerate(enumerator, &workitem))
{
if (workitem->get_type(workitem) == IMV_WORKITEM_SWID_TAGS)
{
swid_state->get_count(swid_state, &tag_count);
tag_item = (received & IMV_SWID_ATTR_TAG_INV) ? "" : " ID";
snprintf(result_str, BUF_LEN, "received inventory of %d "
"SWID tag%s%s", tag_count, tag_item,
(tag_count == 1) ? "" : "s");
session->remove_workitem(session, enumerator);
eval = TNC_IMV_EVALUATION_RESULT_COMPLIANT;
rec = workitem->set_result(workitem, result_str, eval);
state->update_recommendation(state, rec, eval);
imcv_db->finalize_workitem(imcv_db, workitem);
workitem->destroy(workitem);
break;
}
}
enumerator->destroy(enumerator);
}
/* finalized all workitems ? */
if (handshake_state == IMV_SWID_STATE_WORKITEMS &&
session->get_workitem_count(session, imv_id) == 0)
src/libpts/plugins/imv_swid/imv_swid_state.h
+7 -7
View File
@@ -64,13 +64,6 @@ struct imv_swid_state_t {
*/
imv_swid_handshake_state_t (*get_handshake_state)(imv_swid_state_t *this);
/**
* Increase/Decrease the ITA Angel count
*
* @param start TRUE increases and FALSE decreases count by one
*/
void (*set_angel_count)(imv_swid_state_t *this, bool start);
/**
* Set [or with multiple attributes increment] SWID Tag [ID] counters
*
@@ -85,6 +78,13 @@ struct imv_swid_state_t {
*/
void (*get_count)(imv_swid_state_t *this, int *count);
/**
* Increase/Decrease the ITA Angel count
*
* @param start TRUE increases and FALSE decreases count by one
*/
void (*set_angel_count)(imv_swid_state_t *this, bool start);
/**
* Get the ITA Angel count
*