bool PasswordFile::getHMACuser( const std::string& hash, const std::string& key,
PwdFileUser& user ) const
{
FILE* file;
char line[ PWD_FILE_LINE_SIZE ];
unsigned char binKey[ MAX_HMAC_KEY_SIZE ];
int keySize;
crypto::HMAC_SHA256 userHash( hash );
if (( keySize = base64_decode( key.data(), key.size(),
binKey, MAX_HMAC_KEY_SIZE )) < 0 ) {
std::string msg = "Cannot convert '" + key + "' to a HMAC binary key";
throw std::runtime_error( msg );
}
if ( !boost::filesystem::exists( m_filename ) && !m_create ) {
std::string msg = "password file '";
msg += m_filename + "' does not exist";
throw std::runtime_error( msg );
}
if (( file = fopen( m_filename.c_str(), "r" )) == NULL ) {
int err = errno;
std::string msg = "password file '";
msg += m_filename + "' could not be opened: " + strerror( err );
throw std::runtime_error( msg );
}
while ( !feof( file ) ) {
char* ret = fgets( line, PWD_FILE_LINE_SIZE, file );
if ( ret == NULL ) {
if ( feof( file )) {
fclose( file );
return false;
}
else {
int err = errno;
fclose( file );
std::string msg = "error reading from password file '";
msg += m_filename + "': " + strerror( err );
throw std::runtime_error( msg );
}
}
std::string uname = pwdLineUser( line );
if ( uname.empty())
continue;
if ( !m_caseSensitive )
boost::algorithm::to_lower( uname );
crypto::HMAC_SHA256 hsh( binKey, keySize, uname );
if ( hsh == userHash ) {
fclose( file );
bool found = parsePwdLine( line, user );
assert( found == true );
return true;
}
}
return false;
}
void Entity::addComponent( Component* comp )
{
//auto pos = &typeid(*comp);
auto pos = hsh(typeid(*comp).name());
if(components->has(pos))
{
throw "This type of component already exists in the entity";
}
else
{
(*components).put( pos, comp );
}
comp->parent = this;
}
