int main(){
int days;
days = numberOfDays(2, 2016);
if(days < 0)
printError(days);
else
printf("February 2016 has %d days.\n", days);
days = remainingDays(5, 3, 2012);
if(days < 0)
printError(days);
else
printf("There are %d days until the end of the month at 5 March, 2012.\n", days);
days = daysBtwDatesInAYear(2, 1, 3, 6, 2012);
if(days < 0)
printError(days);
else
printf("There are %d days between 2 January and 3 June in 2012.\n", days);
days = daysBtwDates(2, 1, 2000, 5, 2, 2018);
if(days < 0)
printError(days);
else
printf("There are %d days between 2, January 2000 and 5 February 2018.\n", days);
days = daysBtwDates(29, 2, 2011, 5, 3, 2015);
if(days < 0)
printError(days);
else
printf("%d days exists.\n", days);
days = daysBtwDates(1, 2, 2005, 2, 1, 2005);
if(days < 0)
printError(days);
else
printf("%d days exists.\n", days);
return 0;
}
string Certificate::remainingTime( void ){
if ( m_behaviour == BEHAVIOR_NONE )
return( "SSL NOT INITIALIZED" );
if (( m_behaviour == BEHAVIOR_TRY ) && ( m_status == Certificate::STATUS_FAILED ))
return( "Not Applicable: No Certificate Found" );
if ( m_status == Certificate::STATUS_FAILED ){
LOG(Log::ERR) << "certificate status failed, a problem occurred";
return( "CERTIFICATE STATUS FAILED" );
}
if ( m_status == Certificate::STATUS_UNKNOWN ){
return( "CERTIFICATE STATUS UNKNOWN" );
}
remainingValidityTime();
stringstream xx;
xx << remainingDays() << string("days ") <<
setfill('0') << setw(2) << remainingHours() << ":" <<
setfill('0') << setw(2) << remainingMins() << ":" <<
setfill('0') << setw(2) << remainingSecs();
return( xx.str() );
}
int daysBtwDatesInAYear(int day1, int month1, int day2, int month2, int year){
int i;
int totalDays = 0;
if(month1 == month2){ /*dates are in the same month*/
if(day2 < day1)
return WRONG_DATE_ORDER;
return day2-day1;
}
else if(month2 > month1){ /*dates are in different months*/
/*days in the months between*/
for(i=month1+1; i<month2; i++)
totalDays += numberOfDays(i, year);
}
else
return WRONG_DATE_ORDER;
/*add remaining days of the first date to the new month and the days in the
month of the second date*/
totalDays = totalDays + remainingDays(day1, month1, year) + day2;
return totalDays;
}
/// loads one PEM file with one certificate, no chain, no CA
int Certificate::loadCertificateFromFile( void )
{
const int certificateFileCheckResult = validateCertificateFilename(m_certfn);
if(certificateFileCheckResult < 0) return certificateFileCheckResult;
m_ssl = SSL_new( SSL_CTX_new( SSLv23_method() ) );
SSL_use_certificate_file( m_ssl, m_certfn.c_str(), m_type);
// or like this, including a CA
// SSL_CTX_use_certificate_chain_file( _ssl_ctx, fname.c_str() );
X509 *x509crt = SSL_get_certificate( m_ssl );
// validity format is here:
// https://github.com/openssl/openssl/commit/f48b83b4fb7d6689584cf25f61ca63a4891f5b11
// in fact these are strings in UTC format, need to convert them into time_t to become useful
m_time_end = _timeASN1toTIME_T( x509crt->cert_info->validity->notAfter );
remainingValidityTime();
LOG(Log::INF) << " certificate remaining time= " << remainingDays() << "days "
<< remainingHours() << ":"
<< remainingMins() << ":"
<< remainingSecs();
return( 0 );
}
int Certificate::remainingSecs( void ) const
{
return m_remaining_validity_in_seconds - (remainingDays()*86400) - (remainingHours()*3600) - (remainingMins()*60);;
}
int Certificate::remainingHours( void ) const
{
return (m_remaining_validity_in_seconds - (remainingDays()*86400) ) / 3600;
}
