stringList_t zuluCryptGetPartitionFromConfigFile( const char * path )
{
StringListIterator it ;
StringListIterator end ;
stringList_t stl ;
stringList_t stl_1 = StringListVoid ;
string_t st = StringVoid ;
zuluCryptSecurityGainElevatedPrivileges() ;
st = StringGetFromFile( path ) ;
zuluCryptSecurityDropElevatedPrivileges() ;
stl = StringListStringSplit( st,'\n' ) ;
StringDelete( &st ) ;
StringListGetIterators( stl,&it,&end ) ;
while( it != end ){
stl_1 = _eval_path( *it,stl_1 ) ;
it++ ;
}
StringListDelete( &stl ) ;
return stl_1 ;
}
/*
* this function will parse /etc/crypttab to see if it has any entries to be used as system partition.
*
* sample example of the file content this function was build on.
*
* secret /dev/sda15 none
* secret_1 UUID=d2d210b8-0b1f-419f-9172-9d509ea9af0c none
*
*/
stringList_t zuluCryptGetPartitionFromCrypttab( void )
{
stringList_t stl = StringListVoid ;
stringList_t stl_1 = StringListVoid ;
stringList_t stz ;
string_t st ;
StringListIterator it ;
StringListIterator end ;
st = StringGetFromFile( "/etc/crypttab" ) ;
stl = StringListStringSplit( st,'\n' ) ;
StringDelete( &st ) ;
StringListGetIterators( stl,&it,&end ) ;
while( it != end ){
st = *it ;
it++ ;
if( !StringStartsWith( st,"#" ) ){
stz = StringListStringSplit( st,' ' ) ;
st = StringListStringAtSecondPlace( stz ) ;
stl_1 = _eval_path( st,stl_1 ) ;
StringListDelete( &stz ) ;
}
}
StringListDelete( &stl ) ;
return stl_1 ;
}
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 ) ;
}
static int crypt_opt( const struct_opts * opts,uid_t uid,int opt )
{
string_t q = StringVoid ;
string_t p = StringVoid ;
int st ;
const char * source = opts->device ;
const char * dest = opts->m_opts ;
const char * passphrase = opts->key ;
const char * type = opts->key_source ;
return zuluExit( 16 ) ;
if( dest == NULL ){
return zuluExit( 9 ) ;
}
if( source == NULL ){
return zuluExit( 14 ) ;
}
/*
* zuluCryptPathStartsWith() is defined in real_path.c
*/
if( zuluCryptPathStartsWith( dest,"/dev/" ) ){
return zuluExit( 10 ) ;
}
if( zuluCryptPathStartsWith( source,"/dev/" ) ){
return zuluExit( 15 ) ;
}
/*
* zuluCryptPathIsValid() is defined in ../lib/is_path_valid.c
*/
if( zuluCryptPathIsValid( dest ) ){
return zuluExit( 5 ) ;
}
/*
* zuluCryptPathIsNotValid() is defined in ../lib/is_path_valid.c
*/
if( zuluCryptPathIsNotValid( source ) ){
return zuluExit( 6 ) ;
}
/*
* below two functions are defined in path_access.c
*/
if( zuluCryptCanOpenPathForWriting( dest,uid ) == 1 ){
return zuluExit( 10 ) ;
}
if( zuluCryptCanOpenPathForReading( source,uid ) == 1 ){
return zuluExit( 15 ) ;
}
if( type == NULL ){
printf( gettext( "Enter passphrase: " ) ) ;
/*
* ZULUCRYPT_KEY_MAX_SIZE is set in ../constants.h
*/
switch( StringSilentlyGetFromTerminal_1( &p,ZULUCRYPT_KEY_MAX_SIZE ) ){
case 1 : return zuluExit( 12 ) ;
case 2 : return zuluExit( 13 ) ;
}
printf( gettext( "\nRe enter passphrase: " ) ) ;
switch( StringSilentlyGetFromTerminal_1( &q,ZULUCRYPT_KEY_MAX_SIZE ) ){
case 1 : StringClearDelete( &p ) ;
return zuluExit( 12 ) ;
case 2 : StringClearDelete( &p ) ;
return zuluExit( 13 ) ;
}
printf( "\n" ) ;
if( !StringEqualString( p,q ) ){
StringClearDelete( &p ) ;
StringClearDelete( &q ) ;
return zuluExit( 8 ) ;
}else{
StringDelete( &q ) ;
}
}else{
if( type == NULL ){
return zuluExit( 9 ) ;
}
if( StringsAreEqual( type,"-p" ) ){
p = String( passphrase ) ;
}else if( StringsAreEqual( type,"-f" ) ){
p = StringGetFromFile( passphrase ) ;
if( p == NULL ){
return zuluExit( 2 ) ;
}
}else{
return zuluExit( 3 ) ;
}
}
if( opt == ENCRYPT ){
/*
* zuluCryptEncryptFile() is defined in ./crypt_file.c
*/
st = zuluCryptEncryptFile( source,dest,StringContent( p ),StringLength( p ) ) ;
}else{
/*
* zuluCryptDecryptFile() is defined in ./crypt_file.c
*/
st = zuluCryptDecryptFile( source,dest,StringContent( p ),StringLength( p ) ) ;
}
StringClearDelete( &p ) ;
switch( st ){
case 1 : return zuluExit( 4 ) ;
case 2 : return zuluExit( 11 ) ;
}
chmod( dest,S_IRUSR | S_IWUSR ) ;
chown( dest,uid,uid ) ;
if( opt == 1 ){
return zuluExit( 1 ) ;
}else{
return zuluExit( 0 ) ;
}
}
