/*
* ============================================================================
* Name : ./accesssec/eapol/eapol_framework/wapi_common/src/ec_cs_tlv_payloads.cpp
* Part of : WAPI / WAPI *** Info from the SWAD
* Description : WAPI authentication
* Version : %version: 12 % << Don't touch! Updated by Synergy at check-out.
*
* Copyright © 2001-2009 Nokia. All rights reserved.
* This material, including documentation and any related computer
* programs, is protected by copyright controlled by Nokia. All
* rights are reserved. Copying, including reproducing, storing,
* adapting or translating, any or all of this material requires the
* prior written consent of Nokia. This material also contains
* confidential information which may not be disclosed to others
* without the prior written consent of Nokia.
* ============================================================================
* Template version: 4.1.1
*/
// This is enumeration of WAPI source code.
#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
#undef EAP_FILE_NUMBER_ENUM
#define EAP_FILE_NUMBER_ENUM 703
#undef EAP_FILE_NUMBER_DATE
#define EAP_FILE_NUMBER_DATE 1127594498
#endif //#if defined(USE_EAP_MINIMUM_RELEASE_TRACES)
#if defined(USE_WAPI_CORE)
#include "eap_am_memory.h"
#include "ec_cs_tlv_payloads.h"
#include "ec_cs_tlv_message.h"
#include "abs_eap_am_tools.h"
#include "eap_tools.h"
#include "eap_array_algorithms.h"
#include "eap_automatic_variable.h"
#include "eap_crypto_api.h"
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c::~ec_cs_variable_data_c()
{
delete m_next_payload_with_same_tlv_type;
m_next_payload_with_same_tlv_type = 0;
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c::ec_cs_variable_data_c(
abs_eap_am_tools_c * const tools)
: m_am_tools(tools)
, m_data(tools)
, m_header(tools, 0, 0ul)
, m_next_payload_with_same_tlv_type(0)
, m_is_valid(false)
{
if (m_data.get_is_valid() == false)
{
return;
}
m_is_valid = true;
}
//--------------------------------------------------
EAP_FUNC_EXPORT bool ec_cs_variable_data_c::get_is_valid() const
{
return m_is_valid;
}
//--------------------------------------------------
EAP_FUNC_EXPORT bool ec_cs_variable_data_c::get_is_valid_data() const
{
return get_is_valid() && m_data.get_is_valid_data() && m_header.get_is_valid();
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::init_header(
const ec_cs_tlv_type_e current_payload,
const u32_t default_buffer_length)
{
if (default_buffer_length > 0xffff)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
eap_status_e status = m_data.set_buffer_length(
ec_cs_tlv_header_c::get_header_length() + default_buffer_length);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
status = m_data.set_data_length(
ec_cs_tlv_header_c::get_header_length());
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
m_header.set_header_buffer(
m_data.get_buffer(m_data.get_buffer_length()),
m_data.get_buffer_length());
status = m_header.reset_header();
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
status = m_header.set_type(current_payload);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::reset()
{
(void) m_data.reset();
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::set_copy_of_buffer(
const ec_cs_tlv_type_e current_payload,
const void * const buffer,
const u32_t buffer_length)
{
eap_status_e status = init_header(
current_payload,
buffer_length);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
m_header.set_data_length(static_cast<u16_t>(buffer_length));
status = m_data.add_data(buffer, buffer_length);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::set_copy_of_buffer(
const ec_cs_variable_data_c * const source)
{
eap_status_e status = set_copy_of_buffer(
source->get_type(),
source->get_data(source->get_data_length()),
source->get_data_length());
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
ec_cs_variable_data_c * previous = this;
const ec_cs_variable_data_c * next = source->get_next_payload_with_same_tlv_type();
while (next != 0)
{
// Copy the next payload in a list too.
ec_cs_variable_data_c * const new_payload = next->copy();
if (new_payload == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
previous->set_next_payload_with_same_tlv_type(new_payload);
previous = new_payload;
next = next->get_next_payload_with_same_tlv_type();
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::add_data(
const void * const buffer,
const u32_t buffer_length)
{
const ec_cs_tlv_type_e current_payload = m_header.get_type();
eap_status_e status = m_data.add_data(
buffer,
buffer_length);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
m_header.set_header_buffer(
m_data.get_buffer(m_data.get_buffer_length()),
m_data.get_buffer_length());
status = m_header.set_type(current_payload);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
if ((m_header.get_data_length() + buffer_length) > 0xffff)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
m_header.set_data_length(static_cast<u16_t>(m_header.get_data_length() + buffer_length));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::add_data(
const ec_cs_variable_data_c * const data)
{
eap_status_e status = add_data(
data->get_full_tlv_buffer()->get_data(),
data->get_full_tlv_buffer()->get_data_length());
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_variable_data_c::set_copy_of_buffer(
const void * const buffer,
const u32_t buffer_length)
{
eap_status_e status = m_data.set_copy_of_buffer(buffer, buffer_length);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
m_header.set_header_buffer(
m_data.get_buffer(m_data.get_buffer_length()),
m_data.get_buffer_length());
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT u32_t ec_cs_variable_data_c::get_data_length() const
{
return m_header.get_data_length();
}
//--------------------------------------------------
EAP_FUNC_EXPORT u8_t * ec_cs_variable_data_c::get_data(
const u32_t data_length) const
{
return m_header.get_data(data_length);
}
//--------------------------------------------------
EAP_FUNC_EXPORT u8_t * ec_cs_variable_data_c::get_data_offset(const u32_t offset, const u32_t data_length) const
{
return m_header.get_data_offset(offset, data_length);
}
//--------------------------------------------------
EAP_FUNC_EXPORT const eap_variable_data_c * ec_cs_variable_data_c::get_full_tlv_buffer() const
{
return &m_data;
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_variable_data_c * ec_cs_variable_data_c::get_writable_full_tlv_buffer()
{
return &m_data;
}
//--------------------------------------------------
EAP_FUNC_EXPORT const ec_cs_tlv_header_c * ec_cs_variable_data_c::get_header() const
{
return &m_header;
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_tlv_type_e ec_cs_variable_data_c::get_type() const
{
return m_header.get_type();
}
//--------------------------------------------------
EAP_FUNC_EXPORT void ec_cs_variable_data_c::set_type(
const ec_cs_tlv_type_e type)
{
m_header.set_type(type);
}
//--------------------------------------------------
EAP_FUNC_EXPORT void ec_cs_variable_data_c::set_next_payload_with_same_tlv_type(
ec_cs_variable_data_c * const tlv)
{
m_next_payload_with_same_tlv_type = tlv;
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c * ec_cs_variable_data_c::get_next_payload_with_same_tlv_type() const
{
return m_next_payload_with_same_tlv_type;
}
//--------------------------------------------------
EAP_FUNC_EXPORT void ec_cs_variable_data_c::add_next_payload_with_same_tlv_type(
ec_cs_variable_data_c * const tlv)
{
ec_cs_variable_data_c *payload = get_next_payload_with_same_tlv_type();
ec_cs_variable_data_c *prev_payload = this;
while (payload != 0)
{
prev_payload = payload;
payload = payload->get_next_payload_with_same_tlv_type();
}
if (prev_payload != 0)
{
prev_payload->set_next_payload_with_same_tlv_type(tlv);
}
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c * ec_cs_variable_data_c::copy() const
{
ec_cs_variable_data_c * new_data = new ec_cs_variable_data_c(m_am_tools);
if (new_data != 0)
{
eap_status_e status = new_data->set_copy_of_buffer(
get_type(),
get_data(get_data_length()),
get_data_length());
if (status != eap_status_ok)
{
delete new_data;
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
(void) EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
return 0;
}
}
return new_data;
}
//--------------------------------------------------
EAP_FUNC_EXPORT void ec_cs_variable_data_c::object_increase_reference_count()
{
}
//--------------------------------------------------
EAP_FUNC_EXPORT i32_t ec_cs_variable_data_c::compare(const ec_cs_variable_data_c * right) const
{
if (get_type() != right->get_type())
{
return -1;
}
else if (get_data_length() != right->get_data_length())
{
return -1;
}
else
{
return m_am_tools->memcmp(get_data(get_data_length()), right->get_data(right->get_data_length()), get_data_length());
}
}
//--------------------------------------------------
//--------------------------------------------------
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_tlv_payloads_c::~ec_cs_tlv_payloads_c()
{
}
//--------------------------------------------------
#if defined(_WIN32) && !defined(__GNUC__)
#pragma warning( disable : 4355 ) // 'this' : used in base member initializer list
#endif
EAP_FUNC_EXPORT ec_cs_tlv_payloads_c::ec_cs_tlv_payloads_c(
abs_eap_am_tools_c * const tools,
const bool true_when_is_client)
: m_am_tools(tools)
, m_payload_map(tools, this)
, m_read_payloads(tools)
, m_payload_index(0ul)
, m_is_client(true_when_is_client)
, m_is_valid(false)
{
m_is_valid = true;
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c * ec_cs_tlv_payloads_c::get_tlv_pointer(
const ec_cs_tlv_type_e current_payload,
u32_t index) const
{
eap_variable_data_c selector(m_am_tools);
if (selector.get_is_valid() == false)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
(void) EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
return 0;
}
selector.set_buffer(
¤t_payload,
sizeof(current_payload),
false,
false);
ec_cs_variable_data_c *payload = m_payload_map.get_handler(&selector);
while (index != 0ul && payload != 0)
{
--index;
payload = payload->get_next_payload_with_same_tlv_type();
}
return payload;
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c * ec_cs_tlv_payloads_c::get_tlv_pointer(
const ec_cs_tlv_type_e current_payload) const
{
return get_tlv_pointer(current_payload, 0ul);
}
//--------------------------------------------------
EAP_FUNC_EXPORT u32_t ec_cs_tlv_payloads_c::get_tlv_count() const
{
return m_read_payloads.get_object_count();
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_variable_data_c * ec_cs_tlv_payloads_c::get_tlv(
const u32_t tlv_index) const
{
ec_cs_variable_data_c *payload = m_read_payloads.get_object(tlv_index);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::get_tlv(index %d, max %d) = %s\n"),
tlv_index,
m_read_payloads.get_object_count(),
payload->get_header()->get_tlv_string()));
return payload;
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::check_payloads_existense(
const ec_cs_tlv_type_e * const needed_payloads,
const u32_t count_of_needed_payloads) const
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::check_payloads_existense()\n")));
for (u32_t ind = 0ul; ind < count_of_needed_payloads; ind++)
{
const ec_cs_tlv_type_e required_avp_code = needed_payloads[ind];
if (required_avp_code == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
if (get_tlv_pointer(required_avp_code) == 0)
{
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("not received TLV 0x%08x.\n"),
required_avp_code));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_not_found);
}
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::check_payloads_existense(
EAP_TEMPLATE_CONST eap_array_c<ec_cs_tlv_type_e> * const needed_payloads) const
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::check_payloads_existense()\n")));
for (u32_t ind = 0ul; ind < needed_payloads->get_object_count(); ind++)
{
const ec_cs_tlv_type_e * const required_avp_code = needed_payloads->get_object(ind);
if (required_avp_code == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
if (get_tlv_pointer(*required_avp_code) == 0)
{
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("not received TLV 0x%08x.\n"),
*required_avp_code));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_not_found);
}
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::copy_tlv(
const ec_cs_tlv_payloads_c * const source,
const ec_cs_tlv_type_e tlv)
{
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::copy_tlv(TLV 0x%08x)\n"),
tlv));
const ec_cs_variable_data_c * const payload
= source->get_tlv_pointer(tlv, 0ul);
if (payload == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_missing_payload);
}
eap_status_e status = add_tlv(
payload->copy());
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::add_tlv(
ec_cs_variable_data_c * const new_payload)
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::add_tlv()\n")));
if (new_payload == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
eap_status_e status(eap_status_process_general_error);
eap_automatic_variable_c<ec_cs_variable_data_c>
automatic_new_payload(m_am_tools, new_payload);
const ec_cs_tlv_type_e new_payload_type(new_payload->get_type());
ec_cs_variable_data_c *old_payload = get_tlv_pointer(
new_payload_type);
{
eap_variable_data_c selector(m_am_tools);
if (selector.get_is_valid() == false)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
selector.set_copy_of_buffer(
&new_payload_type,
sizeof(new_payload_type));
if (old_payload == 0)
{
status = m_payload_map.add_handler(&selector, new_payload);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
}
else
{
// Cannot add dublicate payload to m_payload_map.
// Instead we add apointer to the next payload with the same tlv type.
old_payload->add_next_payload_with_same_tlv_type(new_payload);
}
automatic_new_payload.do_not_free_variable();
// Note the same payload object is added to m_read_payloads as to m_payload_map.
status = m_read_payloads.add_object(new_payload, false);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::copy_tlv_data(
const ec_cs_tlv_type_e current_payload,
const void * const data,
const u32_t data_length)
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::copy_tlv_data(TLV 0x%08x)\n"),
current_payload));
eap_status_e status(eap_status_process_general_error);
ec_cs_variable_data_c *new_payload = new ec_cs_variable_data_c(
m_am_tools);
if (new_payload == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
eap_automatic_variable_c<ec_cs_variable_data_c>
automatic_new_payload(m_am_tools, new_payload);
status = new_payload->set_copy_of_buffer(
current_payload,
data,
data_length);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
automatic_new_payload.do_not_free_variable();
status = add_tlv(new_payload);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT bool ec_cs_tlv_payloads_c::get_is_valid() const
{
return m_is_valid;
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::parse_generic_payload(
const ec_cs_tlv_type_e tlv_type,
const ec_cs_tlv_header_c * const header)
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
eap_status_e status(eap_status_process_general_error);
/*
* TLV-header:
* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* |M|R| TLV Type | Data Length |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | Data ...
* +-+-+-+-+-+-+-+-+-+-
*/
if (header->get_header_buffer_length() < header->get_header_length())
{
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_generic_payload(0x%08x): ")
EAPL("current header 0x%08x=%s, required length 0x%08x, packet length too less 0x%08x.\n"),
header,
tlv_type,
header->get_tlv_string(),
header->get_header_length(),
header->get_header_buffer_length()));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
}
u32_t data_length = header->get_data_length();
u8_t * const data
= static_cast<u8_t *>(header->get_data_offset(0ul, data_length));
if (data == 0)
{
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_generic_payload(0x%08x): ")
EAPL("current header 0x%08x=%s, length 0x%04x, data buffer incorrect.\n"),
header,
tlv_type,
header->get_tlv_string(),
header->get_data_length()));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
}
EC_CS_TLV_TRACE_PAYLOAD("Parse EC-CS-TLV", header, m_is_client);
status = copy_tlv_data(
tlv_type,
data,
data_length);
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
//
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::verify_padding(
const u8_t * const possible_padding,
const u32_t possible_padding_length)
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::verify_padding()\n")));
const u8_t padding_byte = static_cast<u8_t>(possible_padding_length);
for (u32_t ind = 0ul; ind < possible_padding_length; ind++)
{
if (possible_padding[ind] != padding_byte)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_padding);
}
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//--------------------------------------------------
//
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::parse_ec_cs_payloads(
void * const message_buffer,
u32_t * const buffer_length,
u32_t * const padding_length)
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::parse_ec_cs_payloads()\n")));
*padding_length = 0ul;
if (*buffer_length == 0)
{
// Empty payload.
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
EAP_TRACE_DATA_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("parse_ec_cs_payloads"),
message_buffer,
*buffer_length));
ec_cs_tlv_header_c payload(
m_am_tools,
message_buffer,
*buffer_length); // Const correctness is gone.
ec_cs_tlv_type_e current_payload = payload.get_type();
eap_status_e status = eap_status_header_corrupted;
if (payload.get_is_valid() == true
&& current_payload >= ec_cs_tlv_type_first_known
&& current_payload <= ec_cs_tlv_type_last_known)
{
if (*buffer_length < payload.get_header_buffer_length())
{
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_ec_cs_payloads(0x%08x): ")
EAPL("current payload 0x%08x=%s, data length 0x%04x, buffer length 0x%04x.\n"),
payload.get_header_buffer(0ul),
current_payload,
payload.get_tlv_string(),
payload.get_data_length(),
*buffer_length));
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_ec_cs_payloads(): ")
EAPL("EC-CS-payload header is corrupted.\n")));
EAP_TRACE_DATA_ERROR(m_am_tools, TRACE_FLAGS_DEFAULT, (EAPL("payload"),
payload.get_header_buffer(*buffer_length),
*buffer_length));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
}
status = parse_generic_payload(
current_payload,
&payload);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
u32_t prev_avp_length = payload.get_header_length() + payload.get_data_length();
if (*buffer_length < prev_avp_length)
{
// We do have only the current payload. So not padding is included.
prev_avp_length = payload.get_header_length() + payload.get_data_length();
}
EAP_ASSERT_ALWAYS(*buffer_length >= prev_avp_length);
*buffer_length -= prev_avp_length;
u32_t remaining_data_length(0ul);
remaining_data_length = payload.get_header_buffer_length() - prev_avp_length;
payload.set_header_buffer(
payload.get_header_offset(prev_avp_length, remaining_data_length),
remaining_data_length);
while(*buffer_length >= payload.get_header_length()
&& payload.get_is_valid() == true
&& payload.get_header_buffer_length() >= payload.get_header_buffer_length())
{
current_payload = payload.get_type();
if (current_payload == ec_cs_tlv_type_none)
{
// This might be padding in the end of the message.
break;
}
if (*buffer_length < payload.get_header_buffer_length())
{
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_ec_cs_payloads(0x%08x): ")
EAPL("current payload 0x%08x=%s, payload data length 0x%04x, payload length 0x%04x, buffer length 0x%04x.\n"),
payload.get_header_buffer(0ul),
current_payload,
payload.get_tlv_string(),
payload.get_data_length(),
payload.get_data_length(),
*buffer_length));
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_ec_cs_payloads(): ")
EAPL("EC-CS-payload header is corrupted.\n")));
EAP_TRACE_DATA_ERROR(m_am_tools, TRACE_FLAGS_DEFAULT, (EAPL("payload"),
payload.get_header_buffer(*buffer_length),
*buffer_length));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
}
status = parse_generic_payload(
current_payload,
&payload);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
prev_avp_length = payload.get_header_length() + payload.get_data_length();
if (*buffer_length < prev_avp_length)
{
// We do have only the current payload. So not padding is included.
prev_avp_length = payload.get_header_length() + payload.get_data_length();
}
EAP_ASSERT_ALWAYS(*buffer_length >= prev_avp_length);
*buffer_length -= prev_avp_length;
remaining_data_length = payload.get_header_buffer_length() - prev_avp_length;
payload.set_header_buffer(
payload.get_header_offset(prev_avp_length, remaining_data_length),
remaining_data_length);
} // while()
if (*buffer_length != 0u)
{
const u8_t * const possible_padding = payload.get_header_buffer(remaining_data_length);
// First check is this padding
if (possible_padding == 0
|| remaining_data_length != *buffer_length
|| verify_padding(possible_padding, remaining_data_length) != eap_status_ok)
{
EAP_TRACE_ERROR(
m_am_tools,
TRACE_FLAGS_ERROR,
(EAPL("ERROR: ec_cs_tlv_payloads_c::parse_ec_cs_payloads(): ")
EAPL("EC-CS-header is corrupted. Buffer length and payload ")
EAPL("length does not match. %lu illegal bytes.\n"),
*buffer_length));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
}
else
{
// OK, we get correct padding.
*padding_length = remaining_data_length;
}
}
}
else
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_header_corrupted);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::create_ec_cs_tlv_message(
ec_cs_tlv_message_c * const new_ec_cs_tlv_message_data,
const bool add_payloads) const
{
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::create_ec_cs_tlv_message()\n")));
eap_status_e status(eap_status_process_general_error);
if (add_payloads == false)
{
status = new_ec_cs_tlv_message_data->reset();
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
}
const u32_t tlv_count(get_tlv_count());
u32_t tlv_index(0ul);
while (tlv_index < tlv_count)
{
ec_cs_variable_data_c * tlv = get_tlv(tlv_index);
if (tlv == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_payload);
}
status = new_ec_cs_tlv_message_data->get_ec_cs_message_data()->add_data(tlv->get_full_tlv_buffer());
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EC_CS_TLV_TRACE_PAYLOAD("Added EC-CS-TLV payload", tlv->get_header(), m_is_client);
++tlv_index;
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::create_ec_cs_tlv_message(): index %d\n"),
tlv_index));
}
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::create_ec_cs_tlv_message() returns\n")));
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
//--------------------------------------------------
EAP_FUNC_EXPORT eap_status_e ec_cs_tlv_payloads_c::reset()
{
EAP_TRACE_BEGIN(m_am_tools, TRACE_FLAGS_DEFAULT);
eap_status_e status = m_payload_map.reset();
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
status = m_read_payloads.reset();
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_ok);
}
//--------------------------------------------------
EAP_FUNC_EXPORT ec_cs_tlv_payloads_c * ec_cs_tlv_payloads_c::copy() const
{
EAP_TRACE_DEBUG(
m_am_tools,
TRACE_FLAGS_DEFAULT,
(EAPL("EC-CS: message_function: ec_cs_tlv_payloads_c::copy()\n")));
ec_cs_tlv_payloads_c * copy_payloads = new ec_cs_tlv_payloads_c(m_am_tools, m_is_client);
if (copy_payloads == 0
|| copy_payloads->get_is_valid() == false)
{
delete copy_payloads;
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return 0;
}
eap_status_e status(eap_status_process_general_error);
const u32_t tlv_count(get_tlv_count());
u32_t tlv_index(0ul);
while (tlv_index < tlv_count)
{
ec_cs_variable_data_c * tlv = get_tlv(tlv_index);
if (tlv == 0)
{
delete copy_payloads;
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return 0;
}
status = copy_payloads->add_tlv(
tlv->copy());
if (status != eap_status_ok)
{
delete copy_payloads;
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return 0;
}
++tlv_index;
}
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return copy_payloads;
}
//--------------------------------------------------
#endif //#if defined(USE_WAPI_CORE)
// End.