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(trunk libT) https://bugs.launchpad.net/ubuntu/+source/transmission/+bug/500625

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This commit is contained in:
Charles Kerr 2009-12-28 00:35:29 +00:00
parent c242a19eaf
commit 4e44e9c2cb
1 changed files with 22 additions and 10 deletions
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32
libtransmission/metainfo.c
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@ -125,24 +125,28 @@ tr_metainfoMigrate( tr_session * session,
***/ ***/
static tr_bool static tr_bool
getfile( char ** setme, path_is_suspicious( const char * path )
const char * root, {
tr_benc * path ) return ( path == NULL )
|| ( strstr( path, "../" ) != NULL );
}
static tr_bool
getfile( char ** setme, const char * root, tr_benc * path )
{ {
tr_bool success = FALSE; tr_bool success = FALSE;
if( tr_bencIsList( path ) ) if( tr_bencIsList( path ) )
{ {
int i;
const int n = tr_bencListSize( path );
struct evbuffer * buf = evbuffer_new( ); struct evbuffer * buf = evbuffer_new( );
int n = tr_bencListSize( path );
int i;
evbuffer_add( buf, root, strlen( root ) ); evbuffer_add( buf, root, strlen( root ) );
for( i = 0; i < n; ++i ) for( i = 0; i < n; ++i )
{ {
const char * str; const char * str;
if( tr_bencGetStr( tr_bencListChild( path, i ), &str ) if( tr_bencGetStr( tr_bencListChild( path, i ), &str ) )
&& strcmp( str, ".." ) )
{ {
evbuffer_add( buf, TR_PATH_DELIMITER_STR, 1 ); evbuffer_add( buf, TR_PATH_DELIMITER_STR, 1 );
evbuffer_add( buf, str, strlen( str ) ); evbuffer_add( buf, str, strlen( str ) );
@ -155,13 +159,18 @@ getfile( char ** setme,
success = TRUE; success = TRUE;
} }
if( ( *setme != NULL ) && path_is_suspicious( *setme ) )
{
tr_free( *setme );
*setme = NULL;
success = FALSE;
}
return success; return success;
} }
static const char* static const char*
parseFiles( tr_info * inf, parseFiles( tr_info * inf, tr_benc * files, const tr_benc * length )
tr_benc * files,
const tr_benc * length )
{ {
int64_t len; int64_t len;
@ -200,6 +209,9 @@ parseFiles( tr_info * inf,
} }
else if( tr_bencGetInt( length, &len ) ) /* single-file mode */ else if( tr_bencGetInt( length, &len ) ) /* single-file mode */
{ {
if( path_is_suspicious( inf->name ) )
return "path";
inf->isMultifile = 0; inf->isMultifile = 0;
inf->fileCount = 1; inf->fileCount = 1;
inf->files = tr_new0( tr_file, 1 ); inf->files = tr_new0( tr_file, 1 );