char * zuluCryptVolumeStatus( const char * mapper )
{
char * path ;
string_t p ;
if( zuluCryptTrueCryptOrVeraCryptVolume( mapper ) ){
p = _get_crypto_info_from_tcplay( mapper ) ;
}else{
p = _get_crypto_info_from_cryptsetup( mapper ) ;
}
if( p == StringVoid ){
return NULL ;
}else{
/*
* zuluCryptGetMountPointFromPath() is defined in ./process_mountinfo.c
*/
path = zuluCryptGetMountPointFromPath( mapper ) ;
if( path != NULL ){
zuluCryptFileSystemProperties( p,mapper,path ) ;
StringFree( path ) ;
}
return StringDeleteHandle( &p ) ;
}
}
int zuluCryptUnmountVolume( const char * device,char ** m_point )
{
char * m ;
int h = 3 ;
char * loop_path = NULL ;
if( StringPrefixMatch( device,"/dev/loop",9 ) ){
/*
* zuluCryptLoopDeviceAddress() is defined in ./create_loop_device.c
*/
loop_path = zuluCryptLoopDeviceAddress( device ) ;
if( loop_path != NULL ){
device = loop_path ;
}
}
/*
* zuluCryptGetMountPointFromPath() is defined in ./process_mountinfo.c
*/
m = zuluCryptGetMountPointFromPath( device ) ;
if( m != NULL ){
h = _unmount_volume( m ) ;
if( h == 0 ){
/*
*zuluCryptMtabIsAtEtc() is defined in ./mount_volume.c
*/
if( zuluCryptMtabIsAtEtc() ){
h = zuluCrypRemoveEntryFromMtab( m ) ;
}
if( m_point != NULL ){
*m_point = m ;
}else{
StringFree( m ) ;
}
}else{
StringFree( m ) ;
}
}
if( h != 0 && h != 3 && h != 4 ){
h = 2 ;
}
StringFree( loop_path ) ;
return h ;
}
int zuluMountUMount( ARGS * args )
{
const char * device = args->device ;
uid_t uid = args->uid ;
char * loop_device ;
char * m_point = NULL ;
int status ;
string_t st = StringVoid ;
const char * dev = NULL ;
const char * errorMsg = gettext( "\
ERROR: You can not umount volumes out of \"%s\" since you are not root and do not belong to group \"zulumount\"\n" ) ;
string_t xt ;
if( StringPrefixEqual( device,"/dev/loop" ) ){
/*
* zuluCryptLoopDeviceAddress() is defined in ../zuluCrypt-cli/lib/create_loop_devices.c
*/
loop_device = zuluCryptLoopDeviceAddress( device ) ;
if( loop_device == NULL ){
/*
* the error msg is a lie,but its harmless since the user will most likely never see it as
* this code path will not be passed.
*/
return _zuluExit( 100,StringVoid,m_point,gettext( "ERROR: Device does not appear to be mounted" ) ) ;
}else{
st = StringInherit( &loop_device ) ;
dev = StringContent( st ) ;
/*
* zuluCryptGetMountPointFromPath() is defined in defined in ../zuluCrypt-cli/lib/process_mountinfo.c
*/
m_point = zuluCryptGetMountPointFromPath( dev ) ;
if( m_point == NULL ){
return _zuluExit( 100,st,m_point,gettext( "ERROR: Device does not appear to be mounted" ) ) ;
}
}
}else{
/*
* zuluCryptGetMountPointFromPath() is defined in defined in ../zuluCrypt-cli/lib/process_mountinfo.c
*/
m_point = zuluCryptGetMountPointFromPath( device ) ;
if( m_point == NULL ){
return _zuluExit( 100,st,m_point,gettext( "ERROR: Device does not appear to be mounted" ) ) ;
}
}
/*
* zuluCryptMountPointPrefixMatch() is defined in ../zuluCrypt-cli/bin/create_mount_point.c
*/
if( zuluCryptMountPointPrefixMatch( m_point,uid,&xt ) ){
StringDelete( &xt ) ;
}else{
/*
* zuluCryptUserIsAMemberOfAGroup() is defined in ../zuluCrypt-cli/bin/security.c
*/
if( zuluCryptUserIsAMemberOfAGroup( uid,"zulumount" ) ){
StringDelete( &xt ) ;
}else{
printf( errorMsg,StringContent( xt ) ) ;
StringDelete( &xt ) ;
return _zuluExit( 101,st,m_point,NULL ) ;
}
}
StringFree( m_point ) ;
m_point = NULL ;
/*
* zuluCryptBindUnmountVolume() is defined in ../zuluCrypt-cli/bin/bind.c
*/
switch( zuluCryptBindUnmountVolume( StringListVoid,device,uid ) ){
case 3 : return _zuluExit( 107,st,m_point,gettext( "ERROR: Shared mount point appear to be busy" ) ) ;
case 4 : return _zuluExit( 108,st,m_point,gettext( "ERROR: Shared mount point appear to belong to a different user" ) ) ;
case 5 : return _zuluExit( 109,st,m_point,gettext( "ERROR: Shared mount point appear to be in an ambiguous state,advice to unmount manually" ) ) ;
default: ;
}
/*
* zuluCryptSecurityGainElevatedPrivileges() is defined in ../zuluCrypt-cli/bin/security.c
*/
zuluCryptSecurityGainElevatedPrivileges() ;
/*
* zuluCryptUnmountVolume() is defined in ../zuluCrypt-cli/lib/unmount_volume.c
*/
status = zuluCryptUnmountVolume( device,&m_point ) ;
/*
* zuluCryptSecurityDropElevatedPrivileges() is defined in ../zuluCrypt-cli/bin/security.c
*/
zuluCryptSecurityDropElevatedPrivileges() ;
if( status == 0 ){
if( m_point != NULL ){
/*
* zuluCryptReuseMountPoint() is defined in ../zuluCrypt-cli/bin/create_mount_point.c
*/
if( !zuluCryptReuseMountPoint() ){
zuluCryptSecurityGainElevatedPrivileges() ;
rmdir( m_point ) ;
zuluCryptSecurityDropElevatedPrivileges() ;
}
}
return _zuluExit( 0,st,m_point,gettext( "SUCCESS: umount complete successfully" ) ) ;
}else{
switch( status ) {
case 1 : return _zuluExit( 103,st,m_point,gettext( "ERROR: Device does not exist" ) ) ;
case 2 : return _zuluExit( 104,st,m_point,gettext( "ERROR: Failed to unmount,the mount point and/or one or more files are in use" ) ) ;
case 4 : return _zuluExit( 105,st,m_point,gettext( "ERROR: Failed to unmount,could not get a lock on /etc/mtab~" ) ) ;
case 10: return _zuluExit( 107,st,m_point,gettext( "ERROR: Failed to unmount,multiple mount points for the volume detected" ) ) ; break ;
default: return _zuluExit( 106,st,m_point,gettext( "ERROR: Failed to unmount the partition" ) ) ;
}
}
}
