diff options
| -rw-r--r-- | sdcard/sdcard.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/sdcard/sdcard.c b/sdcard/sdcard.c index a79e2dd..06452aa 100644 --- a/sdcard/sdcard.c +++ b/sdcard/sdcard.c @@ -507,6 +507,16 @@ static void derive_permissions_locked(struct fuse* fuse, struct node *parent, } } +static void derive_permissions_recursive_locked(struct fuse* fuse, struct node *parent) { + struct node *node; + for (node = parent->child; node; node = node->next) { + derive_permissions_locked(fuse, parent, node); + if (node->child) { + derive_permissions_recursive_locked(fuse, node); + } + } +} + /* Kernel has already enforced everything we returned through * derive_permissions_locked(), so this is used to lock down access * even further, such as enforcing that apps hold sdcard_rw. */ @@ -1145,6 +1155,8 @@ static int handle_rename(struct fuse* fuse, struct fuse_handler* handler, res = rename_node_locked(child_node, new_name, new_actual_name); if (!res) { remove_node_from_parent_locked(child_node); + derive_permissions_locked(fuse, new_parent_node, child_node); + derive_permissions_recursive_locked(fuse, child_node); add_node_to_parent_locked(child_node, new_parent_node); } goto done; @@ -1663,6 +1675,10 @@ static int read_package_list(struct fuse_global* global) { TRACE("read_package_list: found %zu packages\n", hashmapSize(global->package_to_appid)); fclose(file); + + /* Regenerate ownership details using newly loaded mapping */ + derive_permissions_recursive_locked(global->fuse_default, &global->root); + pthread_mutex_unlock(&global->lock); return 0; } |