[gnome-vfs] file-method: Don't pass invalid flags to chmod

[Colin Walters <walters src gnome org>]

commit 0bf9ac622fa41978fced2606450d2f906c8ca6f8
Author: Jasper Lievisse Adriaanse <jasper humppa nl>
Date:   Thu May 19 12:14:54 2011 -0400

    file-method: Don't pass invalid flags to chmod
    
    Remove the GNOME-VFS masks which aren't valid bits.
    
    Commit message written by Colin Walters <walters verbum org>
    
    https://bugzilla.gnome.org/show_bug.cgi?id=542026

 modules/file-method.c |   13 ++++++++++++-
 1 files changed, 12 insertions(+), 1 deletions(-)
---
diff --git a/modules/file-method.c b/modules/file-method.c
index 37e4853..1d70d19 100644
--- a/modules/file-method.c
+++ b/modules/file-method.c
@@ -2378,7 +2378,18 @@ do_set_file_info (GnomeVFSMethod *method,
 	}
 
 	if (mask & GNOME_VFS_SET_FILE_INFO_PERMISSIONS) {
-		if (chmod (full_name, info->permissions) != 0) {
+		int tmask;
+		int permissions = info->permissions;
+		/*
+		 * ktrace showed "invalid argument", and this makes sense....
+		 * because, we cannot pass the GNOME_VFS_PERM_ACCESS_*
+		 * constants to chmod.
+		 */
+		tmask = GNOME_VFS_PERM_ACCESS_READABLE;
+		tmask |= GNOME_VFS_PERM_ACCESS_WRITABLE;
+		tmask |= GNOME_VFS_PERM_ACCESS_EXECUTABLE;
+		permissions = permissions & ~tmask;
+		if (chmod (full_name, permissions) != 0) {
 			g_free (full_name);
 			return gnome_vfs_result_from_errno ();
 		}