From 5624012821836136ad38abea00469865f6e7d616 Mon Sep 17 00:00:00 2001 From: Pekka Vuorela Date: Mon, 9 Jul 2012 21:46:43 +0300 Subject: [PATCH] cdda: Fix abort() with CD-Text outside ASCII CD-Text doesn't specify encoding, but in practice some discs have strings with extended characters. Using those directly will make D-Bus choke with invalid data. Fixed by assuming latin-1. This also fixes a memory leak in the cdtext_get() usage. https://bugzilla.gnome.org/show_bug.cgi?id=671259 --- daemon/gvfsbackendcdda.c | 23 ++++++++++++++++------- 1 file changed, 16 insertions(+), 7 deletions(-) diff --git a/daemon/gvfsbackendcdda.c b/daemon/gvfsbackendcdda.c index db9edf5be..085ddb780 100644 --- a/daemon/gvfsbackendcdda.c +++ b/daemon/gvfsbackendcdda.c @@ -158,6 +158,13 @@ release_metadata (GVfsBackendCdda *cdda_backend) cdda_backend->tracks = NULL; } +static char * +cdtext_string_to_utf8 (const char *string) +{ + /* CD-text doesn't specify encoding. In case outside ascii, assume latin-1. */ + return g_convert (string, -1, "UTF-8", "ISO-8859-1", NULL, NULL, NULL); +} + static void fetch_metadata (GVfsBackendCdda *cdda_backend) { @@ -171,9 +178,9 @@ fetch_metadata (GVfsBackendCdda *cdda_backend) cdtext = cdio_get_cdtext(cdio, 0); if (cdtext) { - cdda_backend->album_title = g_strdup (cdtext_get (CDTEXT_TITLE, cdtext)); - cdda_backend->album_artist = g_strdup (cdtext_get (CDTEXT_PERFORMER, cdtext)); - cdda_backend->genre = g_strdup (cdtext_get (CDTEXT_GENRE, cdtext)); + cdda_backend->album_title = cdtext_string_to_utf8 (cdtext_get_const (CDTEXT_TITLE, cdtext)); + cdda_backend->album_artist = cdtext_string_to_utf8 (cdtext_get_const (CDTEXT_PERFORMER, cdtext)); + cdda_backend->genre = cdtext_string_to_utf8 (cdtext_get_const (CDTEXT_GENRE, cdtext)); } cdtrack = cdio_get_first_track_num(cdio); @@ -184,8 +191,8 @@ fetch_metadata (GVfsBackendCdda *cdda_backend) track = g_new0 (GVfsBackendCddaTrack, 1); cdtext = cdio_get_cdtext(cdio, cdtrack); if (cdtext) { - track->title = g_strdup (cdtext_get (CDTEXT_TITLE, cdtext)); - track->artist = g_strdup (cdtext_get (CDTEXT_PERFORMER, cdtext)); + track->title = cdtext_string_to_utf8 (cdtext_get_const (CDTEXT_TITLE, cdtext)); + track->artist = cdtext_string_to_utf8 (cdtext_get_const (CDTEXT_PERFORMER, cdtext)); } track->duration = cdio_get_track_sec_count (cdio, cdtrack) / CDIO_CD_FRAMES_PER_SEC; @@ -961,8 +968,10 @@ do_query_info (GVfsBackend *backend, g_file_info_set_display_name (info, _("Audio Disc")); /* TODO: fill in from metadata */ g_file_info_set_file_type (info, G_FILE_TYPE_DIRECTORY); g_file_info_set_content_type (info, "inode/directory"); - SET_INFO ("xattr::org.gnome.audio.title", cdda_backend->album_title); - SET_INFO ("xattr::org.gnome.audio.artist", cdda_backend->album_artist); + if (cdda_backend->album_title) + SET_INFO ("xattr::org.gnome.audio.title", cdda_backend->album_title); + if (cdda_backend->album_artist) + SET_INFO ("xattr::org.gnome.audio.artist", cdda_backend->album_artist); SET_INFO ("xattr::org.gnome.audio.genre", cdda_backend->genre); g_file_info_set_size (info, 0); icon = g_themed_icon_new ("folder");