/*
* Set the time with a human readable string
*/
void EAC_Time::set_to(const std::string& time_str)
{
if(time_str == "")
{
year = month = day = 0;
return;
}
std::vector<std::string> params;
std::string current;
for(u32bit j = 0; j != time_str.size(); ++j)
{
if(Charset::is_digit(time_str[j]))
current += time_str[j];
else
{
if(current != "")
params.push_back(current);
current.clear();
}
}
if(current != "")
params.push_back(current);
if(params.size() != 3)
throw Invalid_Argument("Invalid time specification " + time_str);
year = to_u32bit(params[0]);
month = to_u32bit(params[1]);
day = to_u32bit(params[2]);
if(!passes_sanity_check())
throw Invalid_Argument("Invalid time specification " + time_str);
}
void X509_Time::set_to(const std::string& t_spec, ASN1_Tag spec_tag)
{
if(spec_tag == UTC_OR_GENERALIZED_TIME)
{
try
{
set_to(t_spec, GENERALIZED_TIME);
return;
}
catch(Invalid_Argument&) {} // Not a generalized time. Continue
try
{
set_to(t_spec, UTC_TIME);
return;
}
catch(Invalid_Argument&) {} // Not a UTC time. Continue
throw Invalid_Argument("Time string could not be parsed as GeneralizedTime or UTCTime.");
}
BOTAN_ASSERT(spec_tag == UTC_TIME || spec_tag == GENERALIZED_TIME, "Invalid tag.");
if(t_spec.empty())
throw Invalid_Argument("Time string must not be empty.");
if(t_spec.back() != 'Z')
throw Unsupported_Argument("Botan does not support times with timezones other than Z: " + t_spec);
if(spec_tag == GENERALIZED_TIME)
{
if(t_spec.size() != 15)
throw Invalid_Argument("Invalid GeneralizedTime string: '" + t_spec + "'");
}
else if(spec_tag == UTC_TIME)
{
if(t_spec.size() != 13)
throw Invalid_Argument("Invalid UTCTime string: '" + t_spec + "'");
}
const size_t YEAR_SIZE = (spec_tag == UTC_TIME) ? 2 : 4;
std::vector<std::string> params;
std::string current;
for(size_t j = 0; j != YEAR_SIZE; ++j)
current += t_spec[j];
params.push_back(current);
current.clear();
for(size_t j = YEAR_SIZE; j != t_spec.size() - 1; ++j)
{
current += t_spec[j];
if(current.size() == 2)
{
params.push_back(current);
current.clear();
}
}
m_year = to_u32bit(params[0]);
m_month = to_u32bit(params[1]);
m_day = to_u32bit(params[2]);
m_hour = to_u32bit(params[3]);
m_minute = to_u32bit(params[4]);
m_second = (params.size() == 6) ? to_u32bit(params[5]) : 0;
m_tag = spec_tag;
if(spec_tag == UTC_TIME)
{
if(m_year >= 50) m_year += 1900;
else m_year += 2000;
}
if(!passes_sanity_check())
throw Invalid_Argument("Time did not pass sanity check: " + t_spec);
}
