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/*
*
* Copyright (c) 2013-2015
* name : Francis Banyikwa
* email: mhogomchungu@gmail.com
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "../lib/includes.h"
#include <blkid/blkid.h>
#include <sys/types.h>
#include <sys/stat.h>
static void _add_entry( string_t xt,ssize_t r,char * e )
{
StringSubChar( xt,(size_t)r,' ' ) ;
if( e != NULL ){
StringRemoveLeft( xt,(size_t)r ) ;
StringPrepend( xt,e ) ;
StringFree( e ) ;
}
}
stringList_t zuluCryptGetFstabList( uid_t uid )
{
string_t xt = StringGetFromFile( "/etc/fstab" ) ;
stringList_t stl = StringListVoid ;
StringListIterator it ;
StringListIterator end ;
ssize_t index ;
const char * entry ;
if( uid ){}
stl = StringListStringSplit( xt,'\n' ) ;
StringDelete( &xt ) ;
StringListRemoveIfStringStartsWith( stl,"#" ) ;
StringListRemoveIfStringStartsWith( stl,"//" ) ;
if( StringListSize( stl ) < 1 ){
StringListDelete( &stl ) ;
return StringListVoid ;
}
StringListGetIterators( stl,&it,&end ) ;
while( it != end ){
xt = *it ;
it++ ;
index = StringIndexOfChar( xt,0,' ' ) ;
if( index != -1 ){
entry = StringSubChar( xt,(size_t)index,'\0' ) ;
if( StringPrefixEqual( entry,"/dev/" ) ){
/*
* zuluCryptResolvePath() is defined in resolve_paths.c
*/
_add_entry( xt,index,zuluCryptResolvePath( entry ) ) ;
}else if( StringAtLeastOnePrefixMatch( entry,"UUID=","uuid=",NULL ) ){
entry = StringRemoveString( xt,"\"" ) ;
/*
* zuluCryptDeviceFromUUID() is defined in blkid_evaluate_tag.c
*/
_add_entry( xt,index,zuluCryptDeviceFromUUID( entry + 5 ) ) ;
}else if( StringAtLeastOnePrefixMatch( entry,"LABEL=","label=",NULL ) ){
entry = StringRemoveString( xt,"\"" ) ;
/*
* zuluCryptDeviceFromLabel() is defined in blkid_evaluate_tag.c
*/
_add_entry( xt,index,zuluCryptDeviceFromLabel( entry + 6 ) ) ;
}else if( StringAtLeastOnePrefixMatch( entry,"PARTUUID=","partuuid=",NULL ) ){
entry = StringRemoveString( xt,"\"" ) ;
/*
* zuluCryptDeviceFromPARTUUID() is defined in blkid_evaluate_tag.c
*/
_add_entry( xt,index,zuluCryptDeviceFromPARTUUID( entry + 9 ) ) ;
}else if( StringAtLeastOnePrefixMatch( entry,"PARTLABEL=","partlabel=",NULL ) ){
entry = StringRemoveString( xt,"\"" ) ;
/*
* zuluCryptDeviceFromPARTLABEL() is defined in blkid_evaluate_tag.c
*/
_add_entry( xt,index,zuluCryptDeviceFromPARTLABEL( entry + 10 ) ) ;
}else{
entry = StringSubChar( xt,(size_t)index,' ' ) ;
}
}
}
return stl ;
}
string_t zuluCryptGetFstabEntry( const char * device,uid_t uid )
{
string_t st = StringVoid ;
string_t xt = String( device ) ;
stringList_t stl = zuluCryptGetFstabList( uid ) ;
ssize_t index = StringListHasStartSequence( stl,StringAppend( xt," " ) ) ;
if( index >= 0 ){
st = StringListCopyStringAt( stl,(size_t)index ) ;
}
StringDelete( &xt ) ;
StringListDelete( &stl ) ;
return st ;
}
string_t zuluCryptGetMountOptionsFromFstab( const char * device,int pos,uid_t uid )
{
stringList_t stl ;
string_t st = zuluCryptGetFstabEntry( device,uid ) ;
if( st != StringVoid ){
stl = StringListStringSplit( st,' ' ) ;
StringDelete( &st ) ;
st = StringListCopyStringAt( stl,(size_t)pos ) ;
StringListDelete( &stl ) ;
}
return st ;
}
stringList_t zuluCryptGetFstabEntryList( const char * device,uid_t uid )
{
stringList_t stl = StringListVoid;
string_t st = zuluCryptGetFstabEntry( device,uid ) ;
if( st != StringVoid ){
stl = StringListStringSplit( st,' ' ) ;
StringDelete( &st ) ;
}
return stl ;
}
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