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implemented sending of reason strings

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This commit is contained in:
Andreas Steffen
2011-06-13 15:31:34 +02:00
parent 7d769bc6c5
commit 44bd40a101
4 changed files with 131 additions and 43 deletions
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src/libimcv/imv/imv_agent.c
+69 -5
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@@ -100,6 +100,41 @@ struct private_imv_agent_t {
TNC_IMV_Action_Recommendation rec,
TNC_IMV_Evaluation_Result eval);
/**
* Get the value of an attribute associated with a connection
* or with the TNCS as a whole.
*
* @param imv_id IMV ID assigned by TNCS
* @param connection_id network connection ID assigned by TNCS
* @param attribute_id attribute ID
* @param buffer_len length of buffer in bytes
* @param buffer buffer
* @param out_value_len size in bytes of attribute stored in buffer
* @return TNC result code
*/
TNC_Result (*get_attribute)(TNC_IMVID imv_id,
TNC_ConnectionID connection_id,
TNC_AttributeID attribute_id,
TNC_UInt32 buffer_len,
TNC_BufferReference buffer,
TNC_UInt32 *out_value_len);
/**
* Set the value of an attribute associated with a connection
* or with the TNCS as a whole.
*
* @param imv_id IMV ID assigned by TNCS
* @param connection_id network connection ID assigned by TNCS
* @param attribute_id attribute ID
* @param buffer_len length of buffer in bytes
* @param buffer buffer
* @return TNC result code
*/
TNC_Result (*set_attribute)(TNC_IMVID imv_id,
TNC_ConnectionID connection_id,
TNC_AttributeID attribute_id,
TNC_UInt32 buffer_len,
TNC_BufferReference buffer);
};
METHOD(imv_agent_t, bind_functions, TNC_Result,
@@ -131,14 +166,14 @@ METHOD(imv_agent_t, bind_functions, TNC_Result,
this->provide_recommendation = NULL;
}
if (bind_function(this->id, "TNC_TNCS_GetAttribute",
(void**)&this->public.get_attribute) != TNC_RESULT_SUCCESS)
(void**)&this->get_attribute) != TNC_RESULT_SUCCESS)
{
this->public.get_attribute = NULL;
this->get_attribute = NULL;
}
if (bind_function(this->id, "TNC_TNCS_SetAttribute",
(void**)&this->public.set_attribute) != TNC_RESULT_SUCCESS)
(void**)&this->set_attribute) != TNC_RESULT_SUCCESS)
{
this->public.set_attribute = NULL;
this->set_attribute = NULL;
}
DBG2(DBG_IMV, "IMV %u \"%s\" provided with bind function",
this->id, this->name);
@@ -317,6 +352,7 @@ METHOD(imv_agent_t, set_recommendation, TNC_Result,
this->id, this->name, connection_id);
return TNC_RESULT_FATAL;
}
state->set_recommendation(state, rec, eval);
return this->provide_recommendation(this->id, connection_id, rec, eval);
}
@@ -384,7 +420,10 @@ METHOD(imv_agent_t, provide_recommendation, TNC_Result,
imv_state_t *state;
TNC_IMV_Action_Recommendation rec;
TNC_IMV_Evaluation_Result eval;
TNC_UInt32 lang_len;
char buf[BUF_LEN];
chunk_t pref_lang = { buf, 0 }, reason_string, reason_lang;
state = find_connection(this, connection_id);
if (!state)
{
@@ -392,6 +431,31 @@ METHOD(imv_agent_t, provide_recommendation, TNC_Result,
this->id, this->name, connection_id);
return TNC_RESULT_FATAL;
}
/* check if there a preferred language has been requested */
if (this->get_attribute &&
this->get_attribute(this->id, connection_id,
TNC_ATTRIBUTEID_PREFERRED_LANGUAGE, BUF_LEN,
buf, &lang_len) == TNC_RESULT_SUCCESS &&
lang_len <= BUF_LEN)
{
pref_lang.len = lang_len;
DBG2(DBG_IMV, "preferred language is '%.*s'",
pref_lang.len, pref_lang.ptr);
}
/* find a reason string for the preferred or default language and set it */
if (this->set_attribute &&
state->get_reason_string(state, pref_lang, &reason_string, &reason_lang))
{
this->set_attribute(this->id, connection_id,
TNC_ATTRIBUTEID_REASON_STRING,
reason_string.len, reason_string.ptr);
this->set_attribute(this->id, connection_id,
TNC_ATTRIBUTEID_REASON_LANGUAGE,
reason_lang.len, reason_lang.ptr);
}
state->get_recommendation(state, &rec, &eval);
return this->provide_recommendation(this->id, connection_id, rec, eval);
}