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 ;
}
static int _not_removed( stringList_t stl,StringListIterator it,StringListIterator * end )
{
string_t st = *it ;
StringListIterator e = it + 1 ;
if( StringStartsWithAtLeastOne( st,"/dev/sd","/dev/hd","/dev/mmcblk",NULL ) ){
/*
* we have a partition,lets continue
*/
if( e != *end ){
/*
* we are not at the end of the list,ie,there is atleast one more entry
*/
if( StringStartsWith_1( *e,st ) ){
/*
* *e will contain something like "/dev/sdc3"
* st will contain something like "/dev/sdc"
*
* This device is partitioned and hence we remove the "/dev/sdc" entry
* from the list since we dont care about it.
*/
StringListRemoveAt_1( stl,it,end ) ;
return 0 ;
}
}
}
return 1 ;
}
stringList_t zuluCryptPartitions( int option,uid_t uid )
{
const char * device ;
const char * e ;
stringList_t non_system = StringListVoid ;
stringList_t system = StringListVoid ;
string_t st ;
stringList_t p ;
stringList_t stl = zuluCryptVolumeList() ;
StringListIterator it ;
StringListIterator end ;
if( stl == StringListVoid ){
return StringListVoid ;
}
if( option == ZULUCRYPTallPartitions ){
return _remove_btfs_multiple_devices( stl ) ;
}
non_system = stl ;
zuluCryptSecurityGainElevatedPrivileges() ;
/*
* zuluCryptGetFstabList() is defined in ../lib/parse_fstab.c
*/
stl = zuluCryptGetFstabList( uid ) ;
zuluCryptSecurityDropElevatedPrivileges() ;
StringListGetIterators( stl,&it,&end ) ;
/*
* gather an initial list of system and non system partitions by comparing entries in "/etc/fstab" and "/proc/partitions"
* fstab entries makes an initial list of system partitions.
* the difference btw list in "/proc/partitions" and "/etc/fstab" makes an initial list of non system partitions.
*/
while( it != end ){
st = *it ;
it++ ;
if( StringStartsWith( st,"/" ) ){
device = StringReplaceChar_1( st,0,' ','\0' ) ;
system = StringListAppend( system,device ) ;
StringListRemoveString( non_system,device ) ;
}
}
StringListDelete( &stl ) ;
/*
* read entried from "crypttab" and then add them to "system" if absent in that list and remove them from "non system" if present
* in that list
*/
p = zuluCryptGetPartitionFromCrypttab() ;
if( p != StringListVoid ){
StringListGetIterators( p,&it,&end ) ;
while( it != end ){
device = StringContent( *it ) ;
it++ ;
StringListAppendIfAbsent( system,device ) ;
StringListRemoveIfPresent( non_system,device ) ;
}
StringListDelete( &p ) ;
}
/*
* read entried from "zuluCrypt-system" and then add them to "system" if absent in that list and remove them from "non system" if present
* in that list
*/
p = zuluCryptGetPartitionFromConfigFile( "/etc/zuluCrypt-system" ) ;
if( p == StringListVoid ){
/*
* This is the new path since zuluCrypt 4.6.9
*/
p = zuluCryptGetPartitionFromConfigFile( "/etc/zuluCrypt/system_volumes.list" ) ;
}
if( p != StringListVoid ){
StringListGetIterators( p,&it,&end ) ;
while( it != end ){
device = StringContent( *it ) ;
it++ ;
StringListAppendIfAbsent( system,device ) ;
StringListRemoveIfPresent( non_system,device ) ;
}
StringListDelete( &p ) ;
}
/*
* At this point:
* "system" contains system devices gathered from fstab,zuluCrypt-system and crypttab
* "non_system" contains non system devices gathered from /proc/partitions minus system partitions.
*/
StringListGetIterators( non_system,&it,&end ) ;
/*
* now we consult udev if enabled and we move partition in the "non system" list to "system" list if udev think they are system
*/
while( it != end ){
e = StringContent( *it ) ;
if( _zuluCryptCheckSYSifDeviceIsSystem( e ) ){
StringListAppendIfAbsent( system,e ) ;
StringListRemoveAt_1( non_system,it,&end ) ;
}else{
it++ ;
}
}
/*
* Now we read from a config file that contains devices that are not to be considered system and remove them from
* the system list if present in that list and add them to non system list if absent in that list
*/
p = zuluCryptGetPartitionFromConfigFile( "/etc/zuluCrypt-nonsystem" ) ;
if( p == StringListVoid ){
/*
* This is the new path since zuluCrypt 4.6.9
*/
p = zuluCryptGetPartitionFromConfigFile( "/etc/zuluCrypt/nonsystem_volumes.list" ) ;
}
if( p != StringListVoid ){
StringListGetIterators( p,&it,&end ) ;
while( it != end ){
device = StringContent( *it ) ;
it++ ;
StringListRemoveString( system,device ) ;
StringListAppendIfAbsent( non_system,device ) ;
}
StringListDelete( &p ) ;
}
if( option == ZULUCRYPTsystemPartitions ){
StringListDelete( &non_system ) ;
return _remove_btfs_multiple_devices( system ) ;
}else{
StringListDelete( &system ) ;
return _remove_btfs_multiple_devices( non_system ) ;
}
}
