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IMC/IMV gets v1.3 attributes from TNCC/TNCS

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This commit is contained in:
Andreas Steffen
2011-12-09 10:45:00 +01:00
parent c87acaf541
commit 1ab8dff7fa
2 changed files with 162 additions and 12 deletions
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src/libimcv/imc/imc_agent.c
+104 -6
View File
@@ -104,6 +104,42 @@ struct private_imc_agent_t {
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,
@@ -134,6 +170,16 @@ 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);
@@ -206,24 +252,76 @@ static bool delete_connection(private_imc_agent_t *this, TNC_ConnectionID id)
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;
}
src/libimcv/imv/imv_agent.c
+58 -6
View File
@@ -271,24 +271,76 @@ static bool delete_connection(private_imv_agent_t *this, TNC_ConnectionID id)
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;
}