char * zuluCryptLoopDeviceAddress_1( const char * device )
{
int fd ;
char * path ;
struct loop_info64 l_info ;
string_t st = String_1( "/sys/block/",device + 5,"/loop/backing_file",NULL ) ;
string_t xt = _StringGetFromVirtualFile( &st ) ;
if( xt == StringVoid ){
memset( &l_info,'\0',sizeof( struct loop_info64 ) ) ;
fd = open( device,O_RDONLY ) ;
ioctl( fd,LOOP_GET_STATUS64,&l_info ) ;
path = zuluCryptRealPath( ( char * ) l_info.lo_file_name ) ;
close( fd ) ;
return path ;
}else{
StringRemoveRight( xt,1 ) ;
return StringDeleteHandle( &xt ) ;
}
}
static stringList_t _get_mount_entries( const char * device )
{
/*
* zuluCryptGetMountEntry() is defined in mountinfo.c
*/
stringList_t stl = zuluCryptGetMoutedList() ;
StringListIterator it ;
StringListIterator end ;
string_t st = String_1( device," ",NULL ) ;
StringListGetIterators( stl,&it,&end ) ;
while( it != end ){
if( StringStartsWith_1( *it,st ) ){
it++ ;
}else{
StringListRemoveAt_1( stl,it,&end ) ;
}
}
StringDelete( &st ) ;
return stl ;
}
string_t zuluCryptLoopDeviceAddress_2( const char * device )
{
int fd ;
char * path ;
struct loop_info64 l_info ;
string_t st = String_1( "/sys/block/",device + 5,"/loop/backing_file",NULL ) ;
string_t xt = _StringGetFromVirtualFile( &st ) ;
if( xt == StringVoid ){
memset( &l_info,'\0',sizeof( struct loop_info64 ) ) ;
fd = open( device,O_RDONLY ) ;
ioctl( fd,LOOP_GET_STATUS64,&l_info ) ;
path = zuluCryptRealPath( ( char * ) l_info.lo_file_name ) ;
close( fd ) ;
xt = StringInherit( &path ) ;
}else{
StringRemoveRight( xt,1 ) ;
}
/*
* zuluCryptEncodeMountEntry() is defined in mount_volume.c
*/
zuluCryptEncodeMountEntry( xt ) ;
return xt ;
}
char * zuluCryptGetUUIDFromMapper( const char * mapper )
{
string_t uuid ;
struct crypt_device * cd ;
const char * id ;
const char * e = " UUID: \t\"Nil\"" ;
char * f ;
if( crypt_init_by_name( &cd,mapper ) < 0 ){
uuid = String( e ) ;
}else{
id = crypt_get_uuid( cd ) ;
if( id == NULL ){
/*
* Either not a LUKS volume or a LUKS volume but with a detached header.
* consult udev to see if it can sort this volume out.
*/
f = _get_uuid_from_udev( mapper ) ;
if( f == NULL ){
uuid = String( e ) ;
}else{
uuid = String_1( " UUID: \t\"",f,"\"",NULL ) ;
StringFree( f ) ;
}
}else{
uuid = String_1( " UUID: \t\"",id,"\"",NULL ) ;
}
crypt_free( cd ) ;
}
return StringDeleteHandle( &uuid ) ;
}
char * zuluCryptGetVolumeTypeFromMapperPath( const char * mapper )
{
struct crypt_device * cd ;
const char * type ;
char * r ;
string_t st ;
if( StringPrefixNotEqual( mapper,crypt_get_dir() ) ){
return StringCopy_2( "Nil" ) ;
}
if( crypt_init_by_name( &cd,mapper ) < 0 ){
return StringCopy_2( "Nil" ) ;
}
type = crypt_get_type( cd ) ;
if( type == NULL ){
if( StringHasComponent( mapper,"veracrypt" ) ){
r = StringCopy_2( "crypto_VCRYPT" ) ;
}else if( StringHasComponent( mapper,"truecrypt" ) ){
r = StringCopy_2( "crypto_TCRYPT" ) ;
}else{
r = _get_type_from_udev( mapper ) ;
}
}else{
st = String_1( "crypto_",type,NULL ) ;
r = StringDeleteHandle( &st ) ;
}
crypt_free( cd ) ;
return r ;
}
string_t zuluCryptCreateKeyFile( const char * key,size_t key_len,const char * fileName )
{
string_t st = StringVoid ;
int fd ;
const char * file ;
struct stat statstr ;
if( key == NULL || key_len == 0 || fileName == NULL ){
return StringVoid ;
}
#define path_does_not_exist( x ) stat( x,&statstr ) != 0
if( path_does_not_exist( "/run" ) ){
mkdir( "/run",S_IRWXU | S_IRGRP | S_IXGRP | S_IXOTH | S_IROTH ) ;
chown( "/run",0,0 ) ;
}
if( path_does_not_exist( "/run/zuluCrypt" ) ){
mkdir( "/run/zuluCrypt",S_IRWXU ) ;
chown( "/run/zuluCrypt",0,0 ) ;
}
st = String_1( "/run/zuluCrypt/",fileName,NULL ) ;
file = StringAppendInt( st,syscall( SYS_gettid ) ) ;
fd = open( file,O_WRONLY | O_CREAT,S_IRUSR | S_IWUSR | S_IRGRP |S_IROTH ) ;
if( fd == -1 ){
StringDelete( &st ) ;
}else{
write( fd,key,key_len ) ;
close( fd ) ;
chown( file,0,0 ) ;
chmod( file,S_IRWXU ) ;
}
return st ;
}
stringList_t zuluCryptOpenedVolumesList( uid_t uid )
{
const char * e ;
const char * c ;
const char * d ;
const char * t ;
char * f ;
char * g ;
StringListIterator it ;
StringListIterator end ;
ssize_t k ;
string_t q ;
string_t z ;
string_t j ;
stringList_t stx ;
stringList_t list = StringListVoid ;
stringList_t stl = zuluCryptGetMoutedList() ;
if( uid ) {
;
}
/*
* zuluCryptMapperPrefix() is defined in create_mapper_name.c
*/
j = String_1( zuluCryptMapperPrefix(),"/zuluCrypt-",NULL ) ;
/*
* t will probably contain "/dev/mapper/zuluCrypt-"
*/
t = StringContent( j ) ;
StringListGetIterators( stl,&it,&end ) ;
while( it != end ) {
c = StringContent( *it ) ;
it++ ;
if( StringPrefixNotEqual( c,t ) ) {
/*
* we only care about zuluCrypt volumes and these volumes that we care about starts with
* "/dev/mapper/zuluCrypt-"
*/
continue ;
}
if( StringHasComponent( c,"/run/media/public/" ) ) {
/*
* dont show mirror images due to bind mounts
*/
continue ;
}
stx = StringListSplit( c,' ' ) ;
e = StringListContentAtFirstPlace( stx ) ;
k = StringHasComponent_1( e,"-UUID-" ) ;
if( k != -1 ) {
q = StringListStringAtFirstPlace( stx ) ;
/*
* zuluCryptDecodeMountEntry() is defined in mount_volume.c
*/
d = zuluCryptDecodeMountEntry( StringListStringAtSecondPlace( stx ) ) ;
/*
* zuluCryptGetVolumeTypeFromMapperPath() is defined in status.c
*/
f = zuluCryptGetVolumeTypeFromMapperPath( StringContent( q ) ) ;
e = StringSubChar( q,StringLastIndexOfChar( q,'-' ),'\0' ) + k + 6 ;
z = String_1( "UUID=\"",e,"\"\t",d,"\t",f,NULL ) ;
list = StringListAppendString_1( list,&z ) ;
StringFree( f ) ;
} else {
/*
* zuluCryptVolumeDeviceName() is defined in status.c
*/
g = zuluCryptVolumeDeviceName( e ) ;
if( g != NULL ) {
d = zuluCryptDecodeMountEntry( StringListStringAtSecondPlace( stx ) ) ;
/*
* zuluCryptGetVolumeTypeFromMapperPath() is defined in status.c
*/
f = zuluCryptGetVolumeTypeFromMapperPath( StringListContentAtFirstPlace( stx ) ) ;
z = String_1( g,"\t",d,"\t",f,NULL ) ;
list = StringListAppendString_1( list,&z ) ;
StringFree( f ) ;
StringFree( g ) ;
}
}
StringListDelete( &stx ) ;
}
StringListDelete( &stl ) ;
StringDelete( &j ) ;
return list ;
}
int zuluCryptPartitionIsMounted( const char * path )
{
return _mounted( StringListHasStartSequence,String_1( path," ",NULL ) ) ;
}
int zuluCryptMountPointIsActive( const char * m_point )
{
return _mounted( StringListHasSequence,String_1( " ",m_point," ",NULL ) ) ;
}