TNC_BufferReference msg,
TNC_UInt32 msg_len,
TNC_MessageType msg_type);
+
+ /**
+ * Get the value of an attribute associated with a connection
+ * or with the TNCC as a whole.
+ *
+ * @param imc_id IMC ID assigned by TNCC
+ * @param connection_id network connection ID assigned by TNCC
+ * @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_IMCID imc_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 TNCC as a whole.
+ *
+ * @param imc_id IMV ID assigned by TNCC
+ * @param connection_id network connection ID assigned by TNCC
+ * @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_IMCID imc_id,
+ TNC_ConnectionID connection_id,
+ TNC_AttributeID attribute_id,
+ TNC_UInt32 buffer_len,
+ TNC_BufferReference buffer);
};
METHOD(imc_agent_t, bind_functions, TNC_Result,
{
this->send_message = NULL;
}
+ if (bind_function(this->id, "TNC_TNCC_GetAttribute",
+ (void**)&this->get_attribute) != TNC_RESULT_SUCCESS)
+ {
+ this->get_attribute = NULL;
+ }
+ if (bind_function(this->id, "TNC_TNCC_SetAttribute",
+ (void**)&this->set_attribute) != TNC_RESULT_SUCCESS)
+ {
+ this->set_attribute = NULL;
+ }
DBG2(DBG_IMC, "IMC %u \"%s\" provided with bind function",
this->id, this->name);
return found;
}
+/**
+ * Read a boolean attribute
+ */
+static bool get_bool_attribute(private_imc_agent_t *this, TNC_ConnectionID id,
+ TNC_AttributeID attribute_id)
+{
+ TNC_UInt32 len;
+ char buf[4];
+
+ return this->get_attribute &&
+ this->get_attribute(this->id, id, attribute_id, 4, buf, &len) ==
+ TNC_RESULT_SUCCESS && len == 1 && *buf == 0x01;
+ }
+
+/**
+ * Read a string attribute
+ */
+static char* get_str_attribute(private_imc_agent_t *this, TNC_ConnectionID id,
+ TNC_AttributeID attribute_id)
+{
+ TNC_UInt32 len;
+ char buf[BUF_LEN];
+
+ if (this->get_attribute &&
+ this->get_attribute(this->id, id, attribute_id, BUF_LEN, buf, &len) ==
+ TNC_RESULT_SUCCESS && len <= BUF_LEN)
+ {
+ return strdup(buf);
+ }
+ return NULL;
+ }
+
METHOD(imc_agent_t, create_state, TNC_Result,
private_imc_agent_t *this, imc_state_t *state)
{
- TNC_ConnectionID connection_id;
+ TNC_ConnectionID conn_id;
+ char *tnccs_p = NULL, *tnccs_v = NULL, *t_p = NULL, *t_v = NULL;
+ bool has_long = FALSE, has_excl = FALSE, has_soh = FALSE;
- connection_id = state->get_connection_id(state);
- if (find_connection(this, connection_id))
+ conn_id = state->get_connection_id(state);
+ if (find_connection(this, conn_id))
{
DBG1(DBG_IMC, "IMC %u \"%s\" already created a state for Connection ID %u",
- this->id, this->name, connection_id);
+ this->id, this->name, conn_id);
state->destroy(state);
return TNC_RESULT_OTHER;
}
+
+ /* Get and display attributes from TNCC via IF-IMC */
+ has_long = get_bool_attribute(this, conn_id, TNC_ATTRIBUTEID_HAS_LONG_TYPES);
+ has_excl = get_bool_attribute(this, conn_id, TNC_ATTRIBUTEID_HAS_EXCLUSIVE);
+ has_soh = get_bool_attribute(this, conn_id, TNC_ATTRIBUTEID_HAS_SOH);
+ tnccs_p = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFTNCCS_PROTOCOL);
+ tnccs_v = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFTNCCS_VERSION);
+ t_p = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFT_PROTOCOL);
+ t_v = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFT_VERSION);
+
+ DBG2(DBG_IMC, "IMC %u \"%s\" created a state for Connection ID %u: "
+ "%s %s with %slong %sexcl %ssoh over %s %s",
+ this->id, this->name, conn_id, tnccs_p ? tnccs_p:"?",
+ tnccs_v ? tnccs_v:"?", has_long ? "+":"-", has_excl ? "+":"-",
+ has_soh ? "+":"-", t_p ? t_p:"?", t_v ? t_v :"?");
+ free(tnccs_p);
+ free(tnccs_v);
+ free(t_p);
+ free(t_v);
+
this->connection_lock->write_lock(this->connection_lock);
this->connections->insert_last(this->connections, state);
this->connection_lock->unlock(this->connection_lock);
- DBG2(DBG_IMC, "IMC %u \"%s\" created a state for Connection ID %u",
- this->id, this->name, connection_id);
return TNC_RESULT_SUCCESS;
}
return found;
}
+/**
+ * Read a boolean attribute
+ */
+static bool get_bool_attribute(private_imv_agent_t *this, TNC_ConnectionID id,
+ TNC_AttributeID attribute_id)
+{
+ TNC_UInt32 len;
+ char buf[4];
+
+ return this->get_attribute &&
+ this->get_attribute(this->id, id, attribute_id, 4, buf, &len) ==
+ TNC_RESULT_SUCCESS && len == 1 && *buf == 0x01;
+ }
+
+/**
+ * Read a string attribute
+ */
+static char* get_str_attribute(private_imv_agent_t *this, TNC_ConnectionID id,
+ TNC_AttributeID attribute_id)
+{
+ TNC_UInt32 len;
+ char buf[BUF_LEN];
+
+ if (this->get_attribute &&
+ this->get_attribute(this->id, id, attribute_id, BUF_LEN, buf, &len) ==
+ TNC_RESULT_SUCCESS && len <= BUF_LEN)
+ {
+ return strdup(buf);
+ }
+ return NULL;
+ }
+
METHOD(imv_agent_t, create_state, TNC_Result,
private_imv_agent_t *this, imv_state_t *state)
{
- TNC_ConnectionID connection_id;
+ TNC_ConnectionID conn_id;
+ char *tnccs_p = NULL, *tnccs_v = NULL, *t_p = NULL, *t_v = NULL;
+ bool has_long = FALSE, has_excl = FALSE, has_soh = FALSE;
- connection_id = state->get_connection_id(state);
- if (find_connection(this, connection_id))
+ conn_id = state->get_connection_id(state);
+ if (find_connection(this, conn_id))
{
DBG1(DBG_IMV, "IMV %u \"%s\" already created a state for Connection ID %u",
- this->id, this->name, connection_id);
+ this->id, this->name, conn_id);
state->destroy(state);
return TNC_RESULT_OTHER;
}
+
+ /* Get and display attributes from TNCS via IF-IMV */
+ has_long = get_bool_attribute(this, conn_id, TNC_ATTRIBUTEID_HAS_LONG_TYPES);
+ has_excl = get_bool_attribute(this, conn_id, TNC_ATTRIBUTEID_HAS_EXCLUSIVE);
+ has_soh = get_bool_attribute(this, conn_id, TNC_ATTRIBUTEID_HAS_SOH);
+ tnccs_p = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFTNCCS_PROTOCOL);
+ tnccs_v = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFTNCCS_VERSION);
+ t_p = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFT_PROTOCOL);
+ t_v = get_str_attribute(this, conn_id, TNC_ATTRIBUTEID_IFT_VERSION);
+
+ DBG2(DBG_IMV, "IMV %u \"%s\" created a state for Connection ID %u: "
+ "%s %s with %slong %sexcl %ssoh over %s %s",
+ this->id, this->name, conn_id, tnccs_p ? tnccs_p:"?",
+ tnccs_v ? tnccs_v:"?", has_long ? "+":"-", has_excl ? "+":"-",
+ has_soh ? "+":"-", t_p ? t_p:"?", t_v ? t_v :"?");
+ free(tnccs_p);
+ free(tnccs_v);
+ free(t_p);
+ free(t_v);
+
this->connection_lock->write_lock(this->connection_lock);
this->connections->insert_last(this->connections, state);
this->connection_lock->unlock(this->connection_lock);
- DBG2(DBG_IMV, "IMV %u \"%s\" created a state for Connection ID %u",
- this->id, this->name, connection_id);
return TNC_RESULT_SUCCESS;
}