int zuluCryptCreateVolume( const char * dev,const char * fs,const char * type,const char * pass,size_t pass_size,const char * rng )
{
string_t st ;
int fd ;
int r ;
if( StringPrefixMatch( dev,"/dev/",5 ) ){
return _create_volume( dev,fs,type,pass,pass_size,rng ) ;
}else{
/*
* zuluCryptAttachLoopDeviceToFile() is defined in ./create_loop.c
*/
if( zuluCryptAttachLoopDeviceToFile( dev,O_RDWR,&fd,&st ) ){
r = _create_volume( StringContent( st ),fs,type,pass,pass_size,rng ) ;
StringDelete( &st ) ;
close( fd ) ;
return r ;
}else{
return 3 ;
}
}
}
static int _create_tcrypt_volume( const char * device,const char * file_system,
const char * rng,const char * key,size_t key_len,
int key_source,u_int64_t hidden_volume_size,
const char * file_system_h,const char * key_h,size_t key_len_h,int key_source_h )
{
string_t st = StringVoid ;
string_t xt = StringVoid ;
tcrypt_t info ;
int r = 3 ;
if( zuluCryptPathIsNotValid( device ) ){
return 1 ;
}
memset( &info,'\0',sizeof( tcrypt_t ) ) ;
info.device = device ;
info.key_source = key_source ;
info.key_source_h = key_source_h ;
info.hidden_volume_size = hidden_volume_size ;
if( StringPrefixMatch( rng,"/dev/urandom",12 ) ){
info.weak_keys_and_salt = 1 ;
}
if( info.key_source == TCRYPT_PASSPHRASE ){
info.key = key ;
info.key_source_1 = "passphrase" ;
}else{
/*
* zuluCryptCreateKeyFile() is defined in open_tcrypt.c
*/
st = zuluCryptCreateKeyFile( key,key_len,"create_tcrypt-1-" ) ;
info.key = StringContent( st ) ;
info.key_source = TCRYPT_KEYFILE_FILE ;
info.key_source_1 = "keyfiles" ;
}
if( info.hidden_volume_size > 0 ){
if( info.key_source_h == TCRYPT_PASSPHRASE ){
info.key_h = key_h ;
info.key_source_h_1 = "h_passphrase" ;
}else{
xt = zuluCryptCreateKeyFile( key_h,key_len_h,"create_tcrypt-2-" ) ;
info.key_h = StringContent( xt ) ;
info.key_source_h = TCRYPT_KEYFILE_FILE ;
info.key_source_h_1 = "h_keyfiles" ;
}
}
if( _create_volume( &info ) == TC_OK ){
r = _create_file_system( device,file_system,info.key_source,info.key,key_len,TCRYPT_NORMAL ) ;
if( info.hidden_volume_size > 0 && r == 0 ){
r = _create_file_system( device,file_system_h,info.key_source_h,info.key_h,key_len_h,TCRYPT_HIDDEN ) ;
}
}
/*
* zuluCryptDeleteFile() is defined in file_path_security.c
*/
if( st != StringVoid ){
zuluCryptDeleteFile( StringContent( st ) ) ;
StringDelete( &st ) ;
}
if( xt != StringVoid ){
zuluCryptDeleteFile( StringContent( xt ) ) ;
StringDelete( &xt ) ;
}
return r ;
}
