bool
UTL_IdList::is_absolute ()
{
return !ACE_OS::strcmp (first_component ()->get_string (), "::");
}
eap_status_e asn1_der_type_c::encode_oid_from_string(eap_const_string oid, const u32_t oid_length, eap_variable_data_c * const buffer) const
{
if (oid == 0
|| buffer == 0
|| buffer->get_is_valid() == false)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
eap_status_e status(eap_status_process_general_error);
const eap_char * oid_char = oid;
const eap_char * end_char = &oid[oid_length];
u32_t remaining_length(oid_length);
u32_t first_component(0ul);
u32_t component_index(0ul);
status = buffer->set_data_length(0ul);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
while(oid_char < end_char)
{
// Search next dot (.).
const eap_char * dot = reinterpret_cast<const eap_char *>(m_am_tools->memchr(oid_char, '.', remaining_length));
if (dot == 0)
{
// The last component.
dot = reinterpret_cast<const eap_char *>(oid_char + remaining_length);
if (dot == 0
|| dot != end_char)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
}
u32_t integer(0ul);
status = m_am_tools->number_string_to_u32(
reinterpret_cast<const u8_t *>(oid_char),
dot - oid_char,
&integer);
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
if (component_index == 0ul)
{
// The first component is encoded with the second component.
first_component = integer;
}
else if (component_index == 1ul)
{
if (first_component < 2ul
&& integer > 39ul)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
else if (first_component > 2ul)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
const u32_t oid_value = first_component * 40ul + integer;
if (oid_value > 0xff)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
const u8_t oid_octet(static_cast<u8_t>(oid_value));
status = buffer->add_data(&oid_octet, sizeof(oid_octet));
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
}
else
{
eap_variable_data_c encoded_data(m_am_tools);
if (encoded_data.get_is_valid() == false)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_allocation_error);
}
const u32_t ENCODE_BASE = 128ul;
while(integer > 0ul)
{
const u8_t oid_octet = static_cast<u8_t>(integer % ENCODE_BASE);
// Encodes the octets to reverse order.
status = encoded_data.add_data(&oid_octet, sizeof(oid_octet));
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
integer = integer / ENCODE_BASE;
} // while()
for (u32_t ind = encoded_data.get_data_length(); ind > 0ul; --ind)
{
// reads the octets on reverse order.
u8_t * oid_octet = encoded_data.get_data_offset(ind-1ul, sizeof(u8_t));
if (oid_octet == 0)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, eap_status_illegal_parameter);
}
if (ind > 1ul)
{
// All but the last octet have high bit set.
*oid_octet |= static_cast<u8_t>(asn1_high_bit_mask_tag);
}
status = buffer->add_data(oid_octet, sizeof(*oid_octet));
if (status != eap_status_ok)
{
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
} // for()
}
remaining_length -= (dot - oid_char) + 1ul;
oid_char = dot+1ul;
++component_index;
} // while()
EAP_TRACE_END(m_am_tools, TRACE_FLAGS_DEFAULT);
return EAP_STATUS_RETURN(m_am_tools, status);
}
