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(trunk libT) possible fix for three related tickets. still needs more testing.

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#3732 "Delete system files when removing torrent data"
#4224 "Folders don't get deleted"
#3871 "torrent-set-location does not delete old folder if only one file in torrent"
This commit is contained in:
Jordan Lee 2011-07-10 17:34:03 +00:00
parent 2317f08d38
commit 9b208d2777
1 changed files with 47 additions and 44 deletions
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91
libtransmission/torrent.c
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@ -2634,6 +2634,36 @@ addDirtyFile( const char * root,
tr_free( dir );
}
static bool
isSystemFile( const char * base )
{
int i;
static const char * stockFiles[] = { ".DS_Store", "desktop.ini", "Thumbs.db" };
static const int stockFileCount = sizeof(stockFiles) / sizeof(stockFiles[0]);
for( i=0; i<stockFileCount; ++i )
if( !strcmp( base, stockFiles[i] ) )
return true;
/* check for resource forks. <http://support.apple.com/kb/TA20578> */
if( !memcmp( base, "._", 2 ) )
return true;
return false;
}
static void
deleteLocalFile( const tr_torrent * tor, const char * filename, tr_fileFunc fileFunc )
{
struct stat sb;
/* add safeguards for (1) making sure the file exists and
(2) that we haven't somehow walked up past the torrent's top directory... */
if( !stat( filename, &sb ) )
if( !tr_is_same_file( tor->currentDir, filename ) )
fileFunc( filename );
}
static void
walkLocalData( const tr_torrent * tor,
const char * root,
@ -2641,7 +2671,8 @@ walkLocalData( const tr_torrent * tor,
const char * base,
tr_ptrArray * torrentFiles,
tr_ptrArray * folders,
tr_ptrArray * dirtyFolders )
tr_ptrArray * dirtyFolders,
tr_fileFunc fileFunc )
{
struct stat sb;
char * buf = tr_buildPath( dir, base, NULL );
@ -2657,29 +2688,25 @@ walkLocalData( const tr_torrent * tor,
tr_ptrArrayInsertSorted( folders, tr_strdup( buf ), vstrcmp );
for( d = readdir( odir ); d != NULL; d = readdir( odir ) )
if( d->d_name && strcmp( d->d_name, "." ) && strcmp( d->d_name, ".." ) )
walkLocalData( tor, root, buf, d->d_name, torrentFiles, folders, dirtyFolders );
walkLocalData( tor, root, buf, d->d_name, torrentFiles, folders, dirtyFolders, fileFunc );
closedir( odir );
}
else if( S_ISREG( sb.st_mode ) && ( sb.st_size > 0 ) )
{
const char * sub = buf + strlen( tor->currentDir ) + strlen( TR_PATH_DELIMITER_STR );
const bool isTorrentFile = tr_ptrArrayFindSorted( torrentFiles, sub, vstrcmp ) != NULL;
if( !isTorrentFile )
addDirtyFile( root, buf, dirtyFolders );
if( isSystemFile( base ) )
deleteLocalFile( tor, buf, fileFunc );
else {
const char * sub = buf + strlen( tor->currentDir ) + strlen( TR_PATH_DELIMITER_STR );
const bool isTorrentFile = tr_ptrArrayFindSorted( torrentFiles, sub, vstrcmp ) != NULL;
if( !isTorrentFile )
addDirtyFile( root, buf, dirtyFolders );
}
}
}
tr_free( buf );
}
static void
deleteLocalFile( const char * filename, tr_fileFunc fileFunc )
{
struct stat sb;
if( !stat( filename, &sb ) ) /* if file exists... */
fileFunc( filename );
}
static void
deleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc )
{
@ -2701,18 +2728,18 @@ deleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc )
}
/* build the set of folders and dirtyFolders */
walkLocalData( tor, root, root, NULL, &torrentFiles, &folders, &dirtyFolders );
walkLocalData( tor, root, root, NULL, &torrentFiles, &folders, &dirtyFolders, fileFunc );
/* try to remove entire folders first, so that the recycle bin will be tidy */
s = (char**) tr_ptrArrayPeek( &folders, &n );
for( i=0; i<n; ++i )
if( tr_ptrArrayFindSorted( &dirtyFolders, s[i], vstrcmp ) == NULL )
deleteLocalFile( s[i], fileFunc );
deleteLocalFile( tor, s[i], fileFunc );
/* now blow away any remaining torrent files, such as torrent files in dirty folders */
for( i=0, n=tr_ptrArraySize( &torrentFiles ); i<n; ++i ) {
char * path = tr_buildPath( tor->currentDir, tr_ptrArrayNth( &torrentFiles, i ), NULL );
deleteLocalFile( path, fileFunc );
deleteLocalFile( tor, path, fileFunc );
tr_free( path );
}
@ -2726,14 +2753,8 @@ deleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc )
if( tr_ptrArrayFindSorted( &dirtyFolders, s[i], vstrcmp ) == NULL )
tr_ptrArrayInsertSorted( &cleanFolders, s[i], compareLongestFirst );
s = (char**) tr_ptrArrayPeek( &cleanFolders, &n );
for( i=0; i<n; ++i ) {
#ifdef SYS_DARWIN
char * dsStore = tr_buildPath( s[i], ".DS_Store", NULL );
deleteLocalFile( dsStore, fileFunc );
tr_free( dsStore );
#endif
deleteLocalFile( s[i], fileFunc );
}
for( i=0; i<n; ++i )
deleteLocalFile( tor, s[i], fileFunc );
tr_ptrArrayDestruct( &cleanFolders, NULL );
}
@ -2757,25 +2778,7 @@ tr_torrentDeleteLocalData( tr_torrent * tor, tr_fileFunc fileFunc )
tr_cacheFlushTorrent( tor->session->cache, tor );
tr_fdTorrentClose( tor->session, tor->uniqueId );
if( tor->info.fileCount > 1 )
{
deleteLocalData( tor, fileFunc );
}
else if( tor->info.fileCount == 1 )
{
char * tmp;
/* torrent only has one file */
char * path = tr_buildPath( tor->currentDir, tor->info.files[0].name, NULL );
deleteLocalFile( path, fileFunc );
tr_free( path );
tmp = tr_torrentBuildPartial( tor, 0 );
path = tr_buildPath( tor->currentDir, tmp, NULL );
deleteLocalFile( path, fileFunc );
tr_free( path );
tr_free( tmp );
}
deleteLocalData( tor, fileFunc );
}
/***