* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
-open ExtList
open ExtString
+open ExtList
+open Unix
open Printf
open Utils
+open DeviceSet
+
+open Filetree_type
+open Filetree_markup
+open Filetree_ops
module G = Guestfs
-let unique = let i = ref 0 in fun () -> incr i; !i
+type t = Filetree_type.t
-(* The type of the hidden column used to implement on-demand loading.
- * We are going to store these in the model as simple ints because that
- * is easier on the GC. Don't change these numbers!
+(* Temporary directory for shared use by all instances of this widget,
+ * cleaned up when the program exits.
*)
-let isFile = 0 (* it's not a directory, there are no children *)
-let dirNotStarted = 1 (* user has not tried to open this *)
-let dirLoading = 2 (* user tried to open it, still loading *)
-let isDir = 3 (* we've loaded the children of this directory *)
-let loading = 4 (* this row contains the "Loading ..." message *)
-
-let rec filetree dev rw =
- let view = GTree.view () in
+let tmpdir = tmpdir ()
+
+let rec create ~packing () =
+ let view = GTree.view ~packing () in
(*view#set_rules_hint true;*)
- view#selection#set_mode `MULTIPLE;
+ (*view#selection#set_mode `MULTIPLE; -- add this later *)
- (* Hash of index numbers -> other data. We do this because it's
- * more efficient for the GC compared to storing OCaml objects
- * directly in the rows.
+ (* Hash of index numbers -> hdata. We do this because it's more
+ * efficient for the GC compared to storing OCaml objects directly in
+ * the rows.
*)
let hash = Hashtbl.create 1023 in
- (* The columns stored in each row. The hidden [state_col] column
- * stores the current state of the row, and is used to implement
- * on-demand loading. The hidden [index_col] column is an index into
- * the hash table that records everything else about this row
- * (filename, file stat, etc). The other display columns, eg.
+ (* The columns stored in each row. The hidden [index_col] column is
+ * an index into the hash table that records everything else about
+ * this row (see hdata above). The other display columns, eg.
* [name_col] contain Pango markup and thus have to be escaped.
*)
let cols = new GTree.column_list in
(* Hidden: *)
- let state_col = cols#add Gobject.Data.int in
let index_col = cols#add Gobject.Data.int in
(* Displayed: *)
let mode_col = cols#add Gobject.Data.string in
let name_col = cols#add Gobject.Data.string in
- let size_col = cols#add Gobject.Data.int64 in
+ let size_col = cols#add Gobject.Data.string in
let date_col = cols#add Gobject.Data.string in
- let link_col = cols#add Gobject.Data.string in
+ (* Create the model. *)
let model = GTree.tree_store cols in
+
+ (* Create the view. *)
view#set_model (Some (model :> GTree.model));
let renderer = GTree.cell_renderer_text [], ["markup", mode_col] in
let mode_view = GTree.view_column ~title:"Permissions" ~renderer () in
+ mode_view#set_resizable true;
ignore (view#append_column mode_view);
let renderer = GTree.cell_renderer_text [], ["markup", name_col] in
let name_view = GTree.view_column ~title:"Filename" ~renderer () in
+ name_view#set_resizable true;
+ name_view#set_sizing `AUTOSIZE;
ignore (view#append_column name_view);
- let renderer = GTree.cell_renderer_text [], ["text", size_col] in
+ let renderer = GTree.cell_renderer_text [`XALIGN 1.], ["markup", size_col] in
let size_view = GTree.view_column ~title:"Size" ~renderer () in
+ size_view#set_resizable true;
ignore (view#append_column size_view);
- let renderer = GTree.cell_renderer_text [], ["markup", date_col] in
+ let renderer = GTree.cell_renderer_text [`XALIGN 1.], ["markup", date_col] in
let date_view = GTree.view_column ~title:"Date" ~renderer () in
+ date_view#set_resizable true;
ignore (view#append_column date_view);
- let renderer = GTree.cell_renderer_text [], ["markup", link_col] in
- let link_view = GTree.view_column ~title:"Link" ~renderer () in
- ignore (view#append_column link_view);
-
- let tree =
- model, view, hash, dev, rw,
- (state_col, index_col, mode_col, name_col, size_col, date_col,
- link_col) in
-
- (* Create the root directory entry, then expand it which will force
- * it to be loaded (asynchronously).
- * XXX Should stat "/"
- *)
- let root = model#append () in
- add_directory_row tree root "/" None;
- view#expand_row (model#get_path root);
-
- ignore (view#event#connect#button_press ~callback:(button_press tree));
- (*ignore (view#event#connect#popup_menu ~callback);*)
-
- view
-
-(* Add an "embryonic" directory to the tree store. This contains a
- * dummy entry (as explained
- * http://mail.gnome.org/archives/gtk-app-devel-list/2003-May/msg00241.html)
- * and when the user opens it, it triggers the real directory to be
- * read.
- *)
-and add_directory_row tree row filename direntry =
- let model, view, hash, _, _,
- (state_col, index_col, mode_col, name_col, size_col, date_col,
- link_col)
- = tree in
-
- model#set ~row ~column:state_col dirNotStarted;
- model#set ~row ~column:index_col (-1);
- model#set ~row ~column:name_col (markup_of_name filename);
- (match direntry with
- | None -> ()
- | Some direntry ->
- let index = unique () in
- Hashtbl.add hash index direntry;
- model#set ~row ~column:index_col index;
- let stat = direntry.Slave.dent_stat in
- model#set ~row ~column:mode_col (markup_of_mode stat.G.mode);
- model#set ~row ~column:size_col stat.G.size;
- model#set ~row ~column:date_col (markup_of_date stat.G.mtime));
-
- let placeholder = model#append ~parent:row () in
- model#set ~row:placeholder ~column:state_col loading;
- model#set ~row:placeholder ~column:index_col (-1);
- model#set ~row:placeholder ~column:name_col "<i>Loading ...</i>";
- ignore (view#connect#row_expanded ~callback:(expand_row tree))
-
-(* This is called when the user expands the [directory] row. *)
-and expand_row tree row _ =
- let model, _, _, dev, _, (state_col, _, _, _, _, _, _) = tree in
-
- match model#get ~row ~column:state_col with
- | 1 (* dirNotStarted *) -> (* Kick off a directory read. *)
- (* Get a stable path for this row so we can use it inside
- * the callback, which may happen a lot later.
- *)
- let path = model#get_path row in
-
- (* Now invoke libguestfs in the slave thread. *)
- Slave.read_directory
- dev (get_pathname tree row) (read_directory_cb tree path);
+ let t = {
+ view = view; model = model; hash = hash;
+ index_col = index_col;
+ mode_col = mode_col; name_col = name_col; size_col = size_col;
+ date_col = date_col;
+ } in
- (* Mark this row as now loading, so we don't start another
- * directory read if the user expands it again.
- *)
- model#set ~row ~column:state_col dirLoading
-
- | 0 (* isFile *) | 2 (* dirLoading *) | 3 (* isDir *) -> ()
- | 4 (* loading *) -> assert false
- | _ -> assert false
+ (* Open a context menu when a button is pressed. *)
+ ignore (view#event#connect#button_press ~callback:(button_press t));
-and read_directory_cb tree path entries =
- let model, _, hash, _, _,
- (state_col, index_col, mode_col, name_col, size_col, date_col,
- link_col)
- = tree in
-
- let row = model#get_iter path in
-
- (* Add the entries. *)
- List.iter (
- fun direntry ->
- let { Slave.dent_name = name; dent_stat = stat; dent_link = link } =
- direntry in
- let row = model#append ~parent:row () in
- if is_directory stat.G.mode then
- add_directory_row tree row name (Some direntry)
- else (
- let index = unique () in
- Hashtbl.add hash index direntry;
- model#set ~row ~column:state_col isFile;
- model#set ~row ~column:index_col index;
- model#set ~row ~column:name_col (markup_of_name name);
- model#set ~row ~column:mode_col (markup_of_mode stat.G.mode);
- model#set ~row ~column:size_col stat.G.size;
- model#set ~row ~column:date_col (markup_of_date stat.G.mtime);
- model#set ~row ~column:link_col (markup_of_link link)
- )
- ) entries;
-
- (* Remove the placeholder entry. NB. Must be done AFTER adding
- * the other entries, or else Gtk will unexpand the row.
- *)
- (try
- let placeholder = model#iter_children ~nth:0 (Some row) in
- ignore (model#remove placeholder)
- with Invalid_argument _ -> ());
-
- (* The original directory entry has now been loaded, so
- * update its state.
- *)
- model#set ~row ~column:state_col isDir
-
-(* Get the actual full pathname of a row. *)
-and get_pathname tree row =
- let model, _, _, _, _, _ = tree in
-
- match model#iter_parent row with
- | None -> "/"
- | Some parent ->
- match get_direntry_of_row tree row with
- | Some { Slave.dent_name = name } ->
- let pname = get_pathname tree parent in
- if pname = "/" then "/" ^ name else pname ^ "/" ^ name
- | None ->
- assert false
-
-(* Get the directory entry from a row (contains the stat(2) results etc).
- * Some rows don't have the required information (eg. placeholder rows
- * and currently the root directory) and for them we return [None].
- *)
-and get_direntry_of_row tree row =
- let model, _, hash, _, _, (_, index_col, _, _, _, _, _) = tree in
- let index = model#get ~row ~column:index_col in
- try Some (Hashtbl.find hash index)
- with Not_found -> None
-
-(* XXX No binding for g_markup_escape in lablgtk2. *)
-and markup_escape name =
- let f = function
- | '&' -> "&" | '<' -> "<" | '>' -> ">"
- | c -> String.make 1 c
- in
- String.replace_chars f name
-
-(* Mark up a filename for the name_col column. *)
-and markup_of_name name =
- (* First, protect against any markup in the name. *)
- let name = markup_escape name in
- name
-
-(* Mark up symbolic links. *)
-and markup_of_link link =
- let link = markup_escape link in
- if link <> "" then utf8_rarrow ^ " " ^ link else ""
-
-(* Mark up mode. *)
-and markup_of_mode mode =
- let c =
- if is_socket mode then 's'
- else if is_symlink mode then 'l'
- else if is_regular_file mode then '-'
- else if is_block mode then 'b'
- else if is_directory mode then 'd'
- else if is_char mode then 'c'
- else if is_fifo mode then 'p' else '?' in
- let ru = if test_bit 0o400L mode then 'r' else '-' in
- let wu = if test_bit 0o200L mode then 'w' else '-' in
- let xu = if test_bit 0o100L mode then 'x' else '-' in
- let rg = if test_bit 0o40L mode then 'r' else '-' in
- let wg = if test_bit 0o20L mode then 'w' else '-' in
- let xg = if test_bit 0o10L mode then 'x' else '-' in
- let ro = if test_bit 0o4L mode then 'r' else '-' in
- let wo = if test_bit 0o2L mode then 'w' else '-' in
- let xo = if test_bit 0o1L mode then 'x' else '-' in
- let str = sprintf "%c%c%c%c%c%c%c%c%c%c" c ru wu xu rg wg xg ro wo xo in
-
- let suid = test_bit 0o4000L mode in
- let sgid = test_bit 0o2000L mode in
- let svtx = test_bit 0o1000L mode in
- if suid then str.[3] <- 's';
- if sgid then str.[6] <- 's';
- if svtx then str.[9] <- 't';
-
- "<span color=\"#222222\" size=\"small\">" ^ str ^ "</span>"
-
-(* File type tests. *)
-and file_type mask mode = Int64.logand mode 0o170000L = mask
-
-and is_socket mode = file_type 0o140000L mode
-and is_symlink mode = file_type 0o120000L mode
-and is_regular_file mode = file_type 0o100000L mode
-and is_block mode = file_type 0o060000L mode
-and is_directory mode = file_type 0o040000L mode
-and is_char mode = file_type 0o020000L mode
-and is_fifo mode = file_type 0o010000L mode
-
-and test_bit mask mode = Int64.logand mode mask = mask
-
-(* Mark up dates. *)
-and markup_of_date time =
- let time = Int64.to_float time in
- let tm = Unix.localtime time in
- sprintf "<span color=\"#222222\" size=\"small\">%04d-%02d-%02d %02d:%02d:%02d</span>"
- (tm.Unix.tm_year + 1900) (tm.Unix.tm_mon + 1) tm.Unix.tm_mday
- tm.Unix.tm_hour tm.Unix.tm_min tm.Unix.tm_sec
+ t
(* Handle mouse button press on the selected row. This opens the
* pop-up context menu.
* http://scentric.net/tutorial/sec-selections-context-menus.html
*)
-and button_press tree ev =
+and button_press ({ model = model; view = view } as t) ev =
let button = GdkEvent.Button.button ev in
let x = int_of_float (GdkEvent.Button.x ev) in
let y = int_of_float (GdkEvent.Button.y ev) in
(* Right button for opening the context menu. *)
if button = 3 then (
- let model, view, hash, _, _, (_, index_col, _, _, _, _, _) = tree in
-
+(*
(* If no row is selected, select the row under the mouse. *)
let paths =
let sel = view#selection in
[path]
) else
sel#get_selected_rows (* actually returns paths *) in
-
- (* Ignore paths that don't contain index fields, and get the
- * direntry for the others. Currently this causes the root
- * directory to be ignored because we don't have stat information
- * for it (XXX).
+*)
+ (* Select the row under the mouse. *)
+ let paths =
+ let sel = view#selection in
+ match view#get_path_at_pos ~x ~y with
+ | None -> []
+ | Some (path, _, _, _) ->
+ sel#unselect_all ();
+ sel#select_path path;
+ [path] in
+
+ (* Get the hdata for all the paths. Filter out rows that it doesn't
+ * make sense to select.
*)
let paths =
List.filter_map (
fun path ->
let row = model#get_iter path in
- match get_direntry_of_row tree row with
- | None -> None
- | Some direntry -> Some (path, direntry)
+ let hdata = get_hdata t row in
+ match hdata with
+ | { content=(Loading | ErrorMessage _ | Info _) } -> None
+ | { content=(Top _ | Directory _ | File _ |
+ TopWinReg _ | RegKey _ | RegValue _ ) } ->
+ Some (path, hdata)
) paths in
- (* Choose the menu and menu options according to the number of
- * selected rows and what is selected.
+ (* Based on number of selected rows and what is selected, construct
+ * the context menu.
*)
- let menu =
- try
- (match paths with
- | [] -> None
- | [path, direntry] -> (* Single selection. *)
- (* What object is selected? *)
- let stat = direntry.Slave.dent_stat in
- let mode = stat.G.mode in
- if is_directory mode then
- Some (make_context_menu tree ~dir:true ~file:false paths)
- else if is_regular_file mode then
- Some (make_context_menu tree ~dir:false ~file:true paths)
- else (* not directory, not regular file *)
- Some (make_context_menu tree ~dir:false ~file:false paths)
- | paths -> (* Multiple selection. *)
- let dir = List.for_all (
- fun (_, { Slave.dent_stat = stat }) ->
- is_directory stat.G.mode
- ) paths in
- let file = List.for_all (
- fun (_, { Slave.dent_stat = stat }) ->
- is_regular_file stat.G.mode
- ) paths in
- Some (make_context_menu tree ~dir ~file paths)
- )
- with Not_found -> None
- in
- (match menu with
+ (match make_context_menu t paths with
+ | Some menu -> menu#popup ~button ~time
| None -> ()
- | Some menu ->
- menu#popup ~button ~time;
);
(* Return true so no other handler will run. *)
true
- ) else
- (* Defer to other handlers. *)
- false
-
-(* Make a context menu for file(s) and directory(s). ~file is true is
- * they are all regular files, ~dir is true if they are all
- * directories. If neither is set, then it can be a single selection
- * of a non-file non-directory, or it can be a mixed multiple
- * selection.
- *)
-and make_context_menu tree ~dir ~file paths =
- let _, _, _, _, rw, _ = tree in
- let n = List.length paths in
-
- debug "make_context_menu dir %b file %b n %d" dir file n;
+ )
+ (* We didn't handle this, defer to other handlers. *)
+ else false
+and make_context_menu t paths =
let menu = GMenu.menu () in
let factory = new GMenu.factory menu in
- (* Open appears first, and unconditionally. This is just to catch
- * the case where nothing below matches, and we want to display
- * _something_. Open is not necessarily useful ...
+ let rec add_file_items path =
+ let item = factory#add_item "File information" in
+ item#misc#set_sensitive false;
+ let item = factory#add_item "Checksum" in
+ item#misc#set_sensitive false;
+ ignore (factory#add_separator ());
+ let item = factory#add_item "Download ..." in
+ ignore (item#connect#activate ~callback:(download_file t path));
+
+ and add_directory_items path =
+ let item = factory#add_item "Directory information" in
+ item#misc#set_sensitive false;
+ let item = factory#add_item "Calculate disk usage" in
+ ignore (item#connect#activate ~callback:(disk_usage t path));
+ ignore (factory#add_separator ());
+ let item = factory#add_item "Download ..." in
+ item#misc#set_sensitive false;
+ let item = factory#add_item "Download as .tar ..." in
+ ignore (item#connect#activate
+ ~callback:(download_dir_tarball t Slave.Tar path));
+ let item = factory#add_item "Download as .tar.gz ..." in
+ ignore (item#connect#activate
+ ~callback:(download_dir_tarball t Slave.TGZ path));
+ let item = factory#add_item "Download as .tar.xz ..." in
+ ignore (item#connect#activate
+ ~callback:(download_dir_tarball t Slave.TXZ path));
+ let item = factory#add_item "Download list of filenames ..." in
+ ignore (item#connect#activate ~callback:(download_dir_find0 t path));
+
+ and add_top_os_items path =
+ let item = factory#add_item "Operating system information" in
+ ignore (item#connect#activate ~callback:(display_inspection_data t path));
+ ignore (factory#add_separator ());
+ add_top_volume_items path
+
+ and add_top_volume_items path =
+ let item = factory#add_item "Filesystem used & free" in
+ item#misc#set_sensitive false;
+ let item = factory#add_item "Block device information" in
+ item#misc#set_sensitive false;
+ ignore (factory#add_separator ());
+ add_directory_items path
+
+ and add_topwinreg_items path =
+ let item = factory#add_item "Download hive file ..." in
+ item#misc#set_sensitive false;
+ ignore (factory#add_separator ());
+ add_regkey_items path
+
+ and add_regkey_items path =
+ let item = factory#add_item "Download as .reg file ..." in
+ item#misc#set_sensitive false
+
+ and add_regvalue_items path =
+ let item = factory#add_item "Copy value to clipboard" in
+ ignore (item#connect#activate ~callback:(copy_regvalue t path));
+
+ in
+
+ let has_menu =
+ match paths with
+ | [] -> false
+
+ (* single selection *)
+ | [path, { content=Top (Slave.OS os)} ] -> (* top level operating system *)
+ add_top_os_items path; true
+
+ | [path, { content=Top (Slave.Volume dev) }] -> (* top level volume *)
+ add_top_volume_items path; true
+
+ | [path, { content=Directory _ }] -> (* directory *)
+ add_directory_items path; true
+
+ | [path, { content=File _ }] -> (* file *)
+ add_file_items path; true
+
+ | [path, { content=TopWinReg _ }] -> (* top level registry node *)
+ add_topwinreg_items path; true
+
+ | [path, { content=RegKey _ }] -> (* registry node *)
+ add_regkey_items path; true
+
+ | [path, { content=RegValue _ }] -> (* registry key/value pair *)
+ add_regvalue_items path; true
+
+ | [_, { content=(Loading|ErrorMessage _|Info _) }] -> false
+
+ | _::_::_ ->
+ (* At the moment multiple selection is disabled. When/if we
+ * enable it we should do something intelligent here. XXX
+ *)
+ false in
+ if has_menu then Some menu else None
+
+let clear { model = model; hash = hash } =
+ model#clear ();
+ Hashtbl.clear hash
+
+let rec add ({ model = model } as t) name data =
+ clear t;
+
+ (* Populate the top level of the filetree. If there are operating
+ * systems from inspection, these have their own top level entries
+ * followed by only unreferenced filesystems. If we didn't get
+ * anything from inspection, then at the top level we just show
+ * filesystems.
+ *)
+ let other_filesystems =
+ DeviceSet.of_list (List.map fst data.Slave.insp_all_filesystems) in
+ let other_filesystems =
+ List.fold_left (fun set { Slave.insp_filesystems = fses } ->
+ DeviceSet.subtract set (DeviceSet.of_array fses))
+ other_filesystems data.Slave.insp_oses in
+
+ (* Add top level operating systems. *)
+ List.iter (add_top_level_os t name) data.Slave.insp_oses;
+
+ (* Add top level left-over filesystems. *)
+ DeviceSet.iter (add_top_level_vol t name) other_filesystems;
+
+ (* If it's Windows and registry files exist, create a node for
+ * each file.
*)
- ignore (factory#add_item "Open");
- ignore (factory#add_separator ());
-
- if dir && n = 1 then (
- ignore (factory#add_item "Disk usage ...");
- ignore (factory#add_item "Export as an archive (tar etc) ...");
- ignore (factory#add_item "Export checksums ...");
- ignore (factory#add_item "Export as a list of files ...");
+ List.iter (
+ fun os ->
+ (match os.Slave.insp_winreg_SAM with
+ | Some filename ->
+ add_top_level_winreg t name os "HKEY_LOCAL_MACHINE\\SAM" filename
+ | None -> ()
+ );
+ (match os.Slave.insp_winreg_SECURITY with
+ | Some filename ->
+ add_top_level_winreg t name os "HKEY_LOCAL_MACHINE\\SECURITY"
+ filename
+ | None -> ()
+ );
+ (match os.Slave.insp_winreg_SOFTWARE with
+ | Some filename ->
+ add_top_level_winreg t name os "HKEY_LOCAL_MACHINE\\SOFTWARE"
+ filename
+ | None -> ()
+ );
+ (match os.Slave.insp_winreg_SYSTEM with
+ | Some filename ->
+ add_top_level_winreg t name os "HKEY_LOCAL_MACHINE\\SYSTEM"
+ filename
+ | None -> ()
+ );
+ (match os.Slave.insp_winreg_DEFAULT with
+ | Some filename ->
+ add_top_level_winreg t name os "HKEY_USERS\\.DEFAULT" filename
+ | None -> ()
+ );
+ ) data.Slave.insp_oses;
+
+ (* Expand the first top level node. *)
+ match model#get_iter_first with
+ | None -> ()
+ | Some row ->
+ t.view#expand_row (model#get_path row)
+
+(* Add a top level operating system node. *)
+and add_top_level_os ({ model = model } as t) name os =
+ let markup =
+ sprintf "<b>%s</b>\n<small>%s</small>\n<small>%s</small>"
+ (markup_escape name) (markup_escape os.Slave.insp_hostname)
+ (markup_escape os.Slave.insp_product_name) in
+
+ let row = model#append () in
+ make_node t row (Top (Slave.OS os)) None;
+ model#set ~row ~column:t.name_col markup
+
+(* Add a top level volume (left over filesystem) node. *)
+and add_top_level_vol ({ model = model } as t) name dev =
+ let markup =
+ sprintf "<b>%s</b>\n<small>from %s</small>"
+ (markup_escape dev) (markup_escape name) in
+
+ let row = model#append () in
+ make_node t row (Top (Slave.Volume dev)) None;
+ model#set ~row ~column:t.name_col markup
+
+(* Add a top level Windows Registry node. *)
+and add_top_level_winreg ({ model = model } as t) name os rootkey
+ remotefile =
+ let cachefile = tmpdir // string_of_int (unique ()) ^ ".hive" in
+
+ let markup =
+ sprintf "<b>%s</b>\n<small>from %s</small>"
+ (markup_escape rootkey) (markup_escape name) in
+
+ let row = model#append () in
+ make_node t row
+ (TopWinReg (Slave.OS os, rootkey, remotefile, cachefile)) None;
+ model#set ~row ~column:t.name_col markup
+
+(* Generic function to make an openable node to the tree. *)
+and make_node ({ model = model } as t) row content hiveh =
+ let hdata =
+ { state=NodeNotStarted; content=content; visited=false; hiveh=hiveh } in
+ store_hdata t row hdata;
+
+ (* Create a placeholder "loading ..." row underneath this node so
+ * the user has something to expand.
+ *)
+ let placeholder = model#append ~parent:row () in
+ let hdata = { state=IsLeaf; content=Loading; visited=false; hiveh=None } in
+ store_hdata t placeholder hdata;
+ model#set ~row:placeholder ~column:t.name_col "<i>Loading ...</i>";
+ ignore (t.view#connect#row_expanded ~callback:(expand_row t))
+
+and make_leaf ({ model = model } as t) row content hiveh =
+ let hdata = { state=IsLeaf; content=content; visited=false; hiveh=hiveh } in
+ store_hdata t row hdata
+
+(* This is called when the user expands a row. *)
+and expand_row ({ model = model } as t) row _ =
+ match get_hdata t row with
+ | { state=NodeNotStarted; content=Top src } as hdata ->
+ (* User has opened a top level node that was not previously opened. *)
+
+ (* Mark this row as loading, so we don't try to open it again. *)
+ hdata.state <- NodeLoading;
+
+ (* Get a stable path for this row. *)
+ let path = model#get_path row in
+
+ Slave.read_directory ~fail:(when_read_directory_fail t path)
+ src "/" (when_read_directory t path)
+
+ | { state=NodeNotStarted; content=Directory direntry } as hdata ->
+ (* User has opened a filesystem directory not previously opened. *)
+
+ (* Mark this row as loading. *)
+ hdata.state <- NodeLoading;
+
+ (* Get a stable path for this row. *)
+ let path = model#get_path row in
+
+ let src, pathname = get_pathname t row in
+
+ Slave.read_directory ~fail:(when_read_directory_fail t path)
+ src pathname (when_read_directory t path)
+
+ | { state=NodeNotStarted;
+ content=TopWinReg (src, rootkey, remotefile, cachefile) } as hdata ->
+ (* User has opened a Windows Registry top level node
+ * not previously opened.
+ *)
+
+ (* Mark this row as loading. *)
+ hdata.state <- NodeLoading;
+
+ (* Get a stable path for this row. *)
+ let path = model#get_path row in
+
+ (* Since the user has opened this top level registry node for the
+ * first time, we now need to download the hive.
+ *)
+ Slave.download_file ~fail:(when_downloaded_registry_fail t path)
+ src remotefile cachefile (when_downloaded_registry t path)
+
+ | { state=NodeNotStarted; content=RegKey node } as hdata ->
+ (* User has opened a Windows Registry key node not previously opened. *)
+
+ (* Mark this row as loading. *)
+ hdata.state <- NodeLoading;
+
+ expand_hive_node t row node
+
+ (* Ignore when a user opens a node which is loading or has been loaded. *)
+ | { state=(NodeLoading|IsNode) } -> ()
+
+ (* These are not nodes so it should never be possible to open them. *)
+ | { content=(File _ | RegValue _) } | { state=IsLeaf } -> assert false
+
+ (* Node should not exist in the tree. *)
+ | { state=NodeNotStarted; content=(Loading | ErrorMessage _ | Info _) } ->
+ assert false
+
+(* This is the callback when the slave has read the directory for us. *)
+and when_read_directory ({ model = model } as t) path entries =
+ debug "when_read_directory";
+
+ let row = model#get_iter path in
+
+ (* Sort the entries by lexicographic ordering. *)
+ let cmp { Slave.dent_name = n1 } { Slave.dent_name = n2 } =
+ UTF8.compare n1 n2
+ in
+ let entries = List.sort ~cmp entries in
+
+ (* Add the entries. *)
+ List.iter (
+ fun direntry ->
+ let { Slave.dent_name = name; dent_stat = stat; dent_link = link } =
+ direntry in
+ let row = model#append ~parent:row () in
+ if is_directory stat.G.mode then
+ make_node t row (Directory direntry) None
+ else
+ make_leaf t row (File direntry) None;
+ model#set ~row ~column:t.name_col (markup_of_name direntry);
+ model#set ~row ~column:t.mode_col (markup_of_mode stat.G.mode);
+ model#set ~row ~column:t.size_col (markup_of_size stat.G.size);
+ model#set ~row ~column:t.date_col (markup_of_date stat.G.mtime);
+ ) entries;
+
+ (* Remove the placeholder "Loading" entry. NB. Must be done AFTER
+ * adding the other entries, or else Gtk will unexpand the row.
+ *)
+ (try
+ let row = find_child_node_by_content t row Loading in
+ ignore (model#remove row)
+ with Invalid_argument _ | Not_found -> ()
);
- if file then
- ignore (factory#add_item "Determine file type ...");
+ (* The original directory entry has now been loaded, so
+ * update its state.
+ *)
+ let hdata = get_hdata t row in
+ hdata.state <- IsNode;
+ set_visited t row
- if n = 1 then
- ignore (factory#add_item "View permissions ...");
+(* This is called instead of when_read_directory when the read directory
+ * (or mount etc) failed. Convert the "Loading" entry into the
+ * error message.
+ *)
+and when_read_directory_fail ({ model = model } as t) path exn =
+ debug "when_read_directory_fail: %s" (Printexc.to_string exn);
- (* Write operations go below the separator. *)
- (match rw with
- | Slave.RO -> ()
- | Slave.RW ->
- ignore (factory#add_separator ());
+ match exn with
+ | G.Error msg ->
+ let row = model#get_iter path in
+ let row = model#iter_children ~nth:0 (Some row) in
- if dir && n = 1 then (
- ignore (factory#add_item "New file ...");
- ignore (factory#add_item "New subdirectory ...");
- ignore (factory#add_item "Import an archive here ...");
- );
+ let hdata =
+ { state=IsLeaf; content=ErrorMessage msg; visited=false; hiveh=None } in
+ store_hdata t row hdata;
- if file then (
- ignore (factory#add_item "Touch file");
- ignore (factory#add_item "Edit file");
- );
+ model#set ~row ~column:t.name_col (markup_escape msg)
- if n = 1 then
- ignore (factory#add_item "Edit permissions ...");
+ | exn ->
+ (* unexpected exception: re-raise it *)
+ raise exn
- ignore (factory#add_item "Delete")
+(* Called when the top level registry node has been opened and the
+ * hive file was downloaded to the cache file successfully.
+ *)
+and when_downloaded_registry ({ model = model } as t) path () =
+ debug "when_downloaded_registry";
+ let row = model#get_iter path in
+
+ let hdata = get_hdata t row in
+ match hdata.content with
+ | TopWinReg (src, rootkey, remotefile, cachefile) ->
+ (try
+ (* Open the hive and save the hive handle in the row hdata. *)
+ let flags = if verbose () then [ Hivex.OPEN_VERBOSE ] else [] in
+ let h = Hivex.open_file cachefile flags in
+ hdata.hiveh <- Some h;
+
+ (* Continue as if expanding any other hive node. *)
+ let root = Hivex.root h in
+ expand_hive_node t row root
+ with
+ Hivex.Error _ as exn -> when_downloaded_registry_fail t path exn
+ )
+ | _ -> assert false
+
+(* Called instead of {!when_downloaded_registry} if the download failed. *)
+and when_downloaded_registry_fail ({ model = model } as t) path exn =
+ debug "when_downloaded_registry_fail: %s" (Printexc.to_string exn);
+
+ match exn with
+ | G.Error msg
+ | Hivex.Error (_, _, msg) ->
+ let row = model#get_iter path in
+ let row = model#iter_children ~nth:0 (Some row) in
+
+ let hdata =
+ { state=IsLeaf; content=ErrorMessage msg; visited=false; hiveh=None } in
+ store_hdata t row hdata;
+
+ model#set ~row ~column:t.name_col (markup_escape msg)
+
+ | exn ->
+ (* unexpected exception: re-raise it *)
+ raise exn
+
+(* Expand a hive node. *)
+and expand_hive_node ({ model = model } as t) row node =
+ debug "expand_hive_node";
+ let hdata = get_hdata t row in
+ let h = Option.get hdata.hiveh in
+
+ (* Read the hive entries (values, subkeys) at this node and add them
+ * to the tree.
+ *)
+ let values = Hivex.node_values h node in
+ let cmp v1 v2 = UTF8.compare (Hivex.value_key h v1) (Hivex.value_key h v2) in
+ Array.sort cmp values;
+ Array.iter (
+ fun value ->
+ let row = model#append ~parent:row () in
+ make_leaf t row (RegValue value) (Some h);
+ model#set ~row ~column:t.name_col (markup_of_regvalue h value);
+ model#set ~row ~column:t.size_col (markup_of_regvaluesize h value);
+ model#set ~row ~column:t.date_col (markup_of_regvaluetype h value);
+ ) values;
+
+ let children = Hivex.node_children h node in
+ let cmp n1 n2 = UTF8.compare (Hivex.node_name h n1) (Hivex.node_name h n2) in
+ Array.sort cmp children;
+ Array.iter (
+ fun node ->
+ let row = model#append ~parent:row () in
+ make_node t row (RegKey node) (Some h);
+ model#set ~row ~column:t.name_col (markup_of_regkey h node);
+ ) children;
+
+ (* Remove the placeholder "Loading" entry. NB. Must be done AFTER
+ * adding the other entries, or else Gtk will unexpand the row.
+ *)
+ (try
+ let row = find_child_node_by_content t row Loading in
+ ignore (model#remove row)
+ with Invalid_argument _ | Not_found -> ()
);
- menu
+ (* The original entry has now been loaded, so update its state. *)
+ hdata.state <- IsNode;
+ set_visited t row