static stringList_t _eval_path( string_t path,stringList_t stl_1 )
{
string_t st ;
const char * e ;
char * ac ;
if( StringStartsWith( path,"/" ) ){
/*
* zuluCryptResolvePath_1() is defined in resolve_paths.c
*/
st = zuluCryptResolvePath_1( StringContent( path ) ) ;
if( st != StringVoid ){
stl_1 = StringListAppendString_1( stl_1,&st ) ;
}
}else if( StringStartsWith( path,"UUID=" ) ){
/*
* check above did not find '/' character and we are in this block assuming the line uses UUID
*/
e = StringRemoveString( path,"\"" ) ;
/*
* zuluCryptEvaluateDeviceTags() is defined in path_access.c
*/
ac = zuluCryptEvaluateDeviceTags( "UUID",e + 5 ) ;
if( ac != NULL ){
stl_1 = StringListAppend( stl_1,ac ) ;
StringFree( ac ) ;
}
}
return stl_1 ;
}
static const char * _clean_loop_path( string_t xt )
{
if( StringEndsWith( xt," (deleted)\n" ) ){
return StringRemoveString( xt," (deleted)\n" ) ;
}else if( StringEndsWith( xt,"\n" ) ){
return StringRemoveRight( xt,1 ) ;
}else{
return StringContent( xt ) ;
}
}
int zuluMountCryptoUMount( ARGS * args )
{
const char * device = args->device ;
const char * UUID = args->uuid ;
uid_t uid = args->uid ;
const char * mapping_name ;
char * path = NULL ;
int st ;
string_t str = StringVoid ;
if( UUID == NULL ){
if( StringPrefixEqual( device,"/dev/loop" ) ){
/*
* zuluCryptLoopDeviceAddress_1() is defined in ../zuluCrypt-cli/create_loop_device.c
*/
path = zuluCryptLoopDeviceAddress_1( device ) ;
if( path == NULL ){
return 20 ;
}else{
device = path ;
}
}
mapping_name = device + StringLastIndexOfChar_1( device,'/' ) + 1 ;
}else{
str = String( UUID ) ;
StringRemoveString( str,"\"" ) ;
mapping_name = StringSubChar( str,4,'-' ) ;
}
/*
* zuluCryptEXECloseVolume() is defined in ../zuluCrypt-cli/bin/close_volume.c
*/
st = zuluCryptEXECloseVolume( device,mapping_name,uid ) ;
StringDelete( &str ) ;
StringFree( path ) ;
return st ;
}
static void _get_file_system_options_from_config_file( const char * device,string_t st )
{
char * f ;
const char * e ;
StringListIterator it ;
StringListIterator end ;
string_t xt = StringGetFromFile( "/etc/zuluCrypt/fs_options" ) ;
stringList_t stl = StringListStringSplit( xt,'\n' ) ;
stringList_t stz ;
StringDelete( &xt ) ;
f = _get_uuid_from_device( device ) ;
StringListGetIterators( stl,&it,&end ) ;
while( it != end ){
e = StringRemoveString( *it,"\"" ) ;
it++ ;
if( StringPrefixMatch( e,"UUID=",5 ) ){
if( StringPrefixEqual( e + 5,f ) ){
stz = StringListSplit( e,' ' ) ;
e = StringListContentAtSecondPlace( stz ) ;
StringMultipleAppend( st,",",e,NULL ) ;
StringListDelete( &stz ) ;
break ;
}
}
}
StringListDelete( &stl ) ;
StringFree( f ) ;
}
int zuluMountCryptoMount( ARGS * args )
{
const char * type = args->type ;
const char * offset = args->offset ;
const char * device = args->device ;
const char * UUID = args->uuid ;
const char * mode = args->m_opts ;
uid_t uid = args->uid ;
const char * key = args->key ;
const char * key_source = args->key_source ;
const char * m_point = args->m_point ;
const char * fs_opts = args->fs_opts ;
int mount_point_option = args->mpo ;
int share = args->share ;
int st ;
/*
* the struct is declared in ../zuluCrypt-cli/bin/libzuluCrypt-exe.h
*/
struct_opts opts ;
const char * mapping_name ;
char * path = NULL ;
string_t str = StringVoid ;
if( UUID == NULL ){
if( StringPrefixEqual( device,"/dev/loop" ) ){
/*
* zuluCryptLoopDeviceAddress_1() is defined in ../zuluCrypt-cli/create_loop_device.c
*/
path = zuluCryptLoopDeviceAddress_1( device ) ;
if( path == NULL ){
return 20 ;
}else{
mapping_name = path + StringLastIndexOfChar_1( path,'/' ) + 1 ;
}
}else{
mapping_name = device + StringLastIndexOfChar_1( device,'/' ) + 1 ;
}
}else{
str = String( UUID ) ;
StringRemoveString( str,"\"" ) ;
mapping_name = StringReplaceString( str,"UUID=","UUID-" ) ;
}
/*
* zuluCryptEXEGetOptsSetDefault() is defined in ../zuluCrypt-cli/bin/get_opts.c
*/
zuluCryptEXEGetOptsSetDefault( &opts ) ;
if( StringPrefixEqual( key_source,"-G" ) ){
opts.plugin_path = key ;
}
opts.mount_point = m_point ;
opts.device = device ;
opts.m_opts = mode ;
opts.key = key ;
opts.key_source = key_source ;
opts.mount_point_option = mount_point_option ;
opts.share = share ;
opts.fs_opts = fs_opts ;
opts.env = StringListStringArray( args->env ) ;
opts.offset = offset ;
opts.type = type ;
memcpy( opts.tcrypt_multiple_keyfiles,args->tcrypt_multiple_keyfiles,
sizeof( args->tcrypt_multiple_keyfiles ) ) ;
/*
* zuluCryptEXEOpenVolume() is defined in ../zuluCrypt-cli/bin/open_volume.c
*/
st = zuluCryptEXEOpenVolume( &opts,mapping_name,uid ) ;
StringDelete( &str ) ;
StringFree( opts.env ) ;
StringFree( path ) ;
return st ;
}
static string_t set_mount_options( m_struct * mst )
{
/*
* zuluCryptGetMountOptionsFromFstab() is defined in parse_fstab.c
*/
string_t opt = zuluCryptGetMountOptionsFromFstab( mst->device,MOUNTOPTIONS,mst->uid ) ;
int fsFamily = fs_family( mst->fs ) ;
const char * f[] = { "nouser","users","user","defaults","noauto","auto","nodev","dev",
"noexec","exec","nosuid","suid","bind","mandlock","move","noatime","nodiratime","remount","silent",
"synchronous",NULL } ;
const char ** z = f ;
const char * e ;
if( opt == StringVoid ){
opt = String( "" ) ;
StringAppend( opt,mst->fs_flags ) ;
}else{
if( StringContains( opt,"ro" ) ){
mst->m_flags |= MS_RDONLY ;
}
StringMultipleAppend( opt,",",mst->fs_flags,END ) ;
}
_get_file_system_options_from_config_file( mst->device,opt ) ;
if( fsFamily == 1 ){
if( !StringContains( opt,"dmask=" ) ){
StringAppend( opt,",dmask=0000" ) ;
}
if( !StringContains( opt,"umask=" ) ){
StringAppend( opt,",umask=0000" ) ;
}
if( !StringContains( opt,"uid=" ) ){
StringAppend( opt,",uid=" ) ;
StringAppendInt( opt,mst->uid ) ;
}
if( !StringContains( opt,"gid=" ) ){
StringAppend( opt,",gid=" ) ;
StringAppendInt( opt,mst->uid ) ;
}
if( !StringContains( opt,"fmask=" ) ){
StringAppend( opt,",fmask=0111" ) ;
}
if( StringsAreEqual( mst->fs,"vfat" ) ){
if( !StringContains( opt,"flush" ) ){
StringAppend( opt,",flush" ) ;
}
if( !StringContains( opt,"shortname=" ) ){
StringAppend( opt,",shortname=mixed" ) ;
}
}
}else if( fsFamily == 2 ){
if( !StringContains( opt,"uid=" ) ){
StringAppend( opt,",uid=" ) ;
StringAppendInt( opt,mst->uid ) ;
}
if( !StringContains( opt,"gid=" ) ){
StringAppend( opt,",gid=" ) ;
StringAppendInt( opt,mst->uid ) ;
}
}else if( fsFamily == 3 ){
mst->m_flags |= MS_RDONLY ;
}else{
/*
* ext file systems and raiserfs among others go here
* we dont set any options for them.
*/
;
}
/*
* remove mount options to leave only file system options
*/
while( 1 ){
e = *z ;
z++ ;
if( e == NULL ){
break ;
}else{
StringRemoveString( opt,e ) ;
}
}
/*
* remove below two now because we are going to add them below,reason for removing them
* and readding them is because we want to make sure they are at the beginning of the string
*/
StringRemoveString( opt,"ro" ) ;
StringRemoveString( opt,"rw" ) ;
if( mst->m_flags & MS_RDONLY ){
StringPrepend( opt,"ro," ) ;
}else{
StringPrepend( opt,"rw," ) ;
}
mst->opts = _remove_duplicates( opt ) ;
return opt;
}
