X-Git-Url: http://git.annexia.org/?a=blobdiff_plain;f=filetree.ml;h=f6ffa7b973d52a5362ae2c916e9bdb215f909df1;hb=23a1eac79ffcbab1801b89430fc0354e44cf7599;hp=0737820c4011ed9b640d01542e09888b95d03b3d;hpb=b9e8c84588873568b7fdfaeb9beb85466e84c8fa;p=guestfs-browser.git
diff --git a/filetree.ml b/filetree.ml
index 0737820..f6ffa7b 100644
--- a/filetree.ml
+++ b/filetree.ml
@@ -17,26 +17,33 @@
*)
open ExtString
+open ExtList
+open Unix
open Printf
open Utils
open DeviceSet
+open Slave_types
+
+open Filetree_markup
module G = Guestfs
+module UTF8 = CamomileLibraryDefault.Camomile.UTF8
-type t = {
- view : GTree.view;
- model : GTree.tree_store;
- hash : (int, hdata) Hashtbl.t; (* hash from index_col -> hdata *)
- index_col : int GTree.column;
- mode_col : string GTree.column;
- name_col : string GTree.column;
- size_col : int64 GTree.column;
- date_col : string GTree.column;
- link_col : string GTree.column;
-}
+(* Temporary directory for shared use by any function in this file.
+ * It is cleaned up when the program exits.
+ *)
+let tmpdir = tmpdir ()
-and hdata = state_t * content_t
+(* The internal data we store attached to each row, telling us about
+ * the state of the row and what is in it.
+ *)
+type hdata = {
+ mutable state : state_t;
+ content : content_t;
+ mutable visited : bool;
+ mutable hiveh : Hivex.t option;
+}
(* The type of the hidden column used to implement on-demand loading.
* All rows are classified as either nodes or leafs (eg. a "node" might
@@ -48,21 +55,32 @@ and state_t =
| NodeNotStarted (* user has not tried to open this *)
| NodeLoading (* user tried to open it, still loading *)
| IsNode (* we've loaded the children of this directory *)
- | Loading (* special row contains the "Loading ..." message *)
(* The actual content of a row. *)
and content_t =
- | NoContent
- | Top of Slave.source (* top level OS or volume node *)
- | Directory of Slave.direntry (* a directory *)
- | File of Slave.direntry (* a file inc. special files *)
-
-let loading_msg = "Loading ..."
-
-let create ~packing () =
- let view = GTree.view ~packing () in
+ | Loading (* special "loading ..." node *)
+ | ErrorMessage of string (* error message node *)
+ | Info of string (* information node (eg. disk usage) *)
+ | Top of Slave_types.source (* top level OS or volume node *)
+ | TopWinReg of registry_t (* top level Windows Registry node *)
+ | Directory of Slave_types.direntry(* a directory *)
+ | File of Slave_types.direntry (* a file inc. special files *)
+ | RegKey of Hivex.node (* a registry key (like a dir) *)
+ | RegValue of Hivex.value (* a registry value (like a file) *)
+
+(* Source, root key, remote filename, cache filename *)
+and registry_t = Slave_types.source * string * string * string
+
+let source_of_registry_t (src, _, _, _) = src
+let root_key_of_registry_t (_, root_key, _, _) = root_key
+
+(* This is the Filetree.tree class, derived from GTree.view
+ * (ie. GtkTreeView).
+ *)
+class tree ?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 -> hdata. We do this because it's more
* efficient for the GC compared to storing OCaml objects directly in
@@ -81,283 +99,850 @@ let create ~packing () =
(* 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
- 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
- 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_max_width 400 (*pixels?!?*);
- ignore (view#append_column name_view);
-
- let renderer = GTree.cell_renderer_text [], ["text", size_col] in
- let size_view = GTree.view_column ~title:"Size" ~renderer () in
- ignore (view#append_column size_view);
-
- let renderer = GTree.cell_renderer_text [], ["markup", date_col] in
- let date_view = GTree.view_column ~title:"Date" ~renderer () in
- 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);
-
- { 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; link_col = link_col }
-
-let clear { model = model; hash = hash } =
- model#clear ();
- Hashtbl.clear hash
-
-(* XXX No binding for g_markup_escape in lablgtk2. *)
-let 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. *)
-let rec markup_of_name name =
- markup_escape 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';
-
- "" ^ str ^ ""
-
-(* 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 "%04d-%02d-%02d %02d:%02d:%02d"
- (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
-
-(* Store hdata into a row. *)
-let store_hdata {model = model; hash = hash; index_col = index_col} row hdata =
- let index = unique () in
- Hashtbl.add hash index hdata;
- model#set ~row ~column:index_col index
-
-(* Retrieve previously stored hdata from a row. *)
-let get_hdata { model = model; hash = hash; index_col = index_col } row =
- let index = model#get ~row ~column:index_col in
- try Hashtbl.find hash index
- with Not_found -> assert false
-
-let rec add ({ model = model; hash = hash } 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
-
-and add_top_level_os ({ model = model; hash = hash } as t) name os =
- let markup =
- sprintf "%s: %s (%s)"
- (markup_of_name name) (markup_of_name os.Slave.insp_hostname)
- (markup_of_name os.Slave.insp_product_name) in
-
- let row = model#append () in
- make_node t row (Top (Slave.OS os));
- model#set ~row ~column:t.name_col markup
-
-and add_top_level_vol ({ model = model; hash = hash } as t) name dev =
- let markup =
- sprintf "%s: %s" (markup_of_name name) (markup_of_name dev) in
-
- let row = model#append () in
- make_node t row (Top (Slave.Volume dev));
- model#set ~row ~column:t.name_col markup
-
-(* Generic function to make an openable node to the tree. *)
-and make_node ({ model = model; hash = hash } as t) row content =
- let hdata = NodeNotStarted, content 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 = Loading, NoContent in
- store_hdata t placeholder hdata;
- model#set ~row:placeholder ~column:t.name_col loading_msg;
- ignore (t.view#connect#row_expanded ~callback:(expand_row t))
-
-and make_leaf ({ model = model; hash = hash } as t) row content =
- let hdata = IsLeaf, content in
- store_hdata t row hdata
-
-(* This is called when the user expands a row. *)
-and expand_row ({ model = model; hash = hash } as t) row _ =
- match get_hdata t row with
- | NodeNotStarted, Top src ->
- (* 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. *)
- let hdata = NodeLoading, Top src in
- store_hdata t row hdata;
- (* Get a stable path for this row. *)
- let path = model#get_path row in
-
- Slave.read_directory src "/" (when_read_directory t path)
-
- | NodeNotStarted, Directory direntry ->
- (* User has opened a filesystem directory not previously opened. *)
-
- (* Mark this row as loading. *)
- let hdata = NodeLoading, Directory direntry in
- store_hdata t row hdata;
-
- (* Get a stable path for this row. *)
- let path = model#get_path row in
-
- let src, pathname = get_pathname t row in
+ (* Signals. *)
+ let clear_tree = new GUtil.signal () in
+ let op_checksum_file = new GUtil.signal () in
+ let op_copy_regvalue = new GUtil.signal () in
+ let op_disk_usage = new GUtil.signal () in
+ let op_download_as_reg = new GUtil.signal () in
+ let op_download_dir_find0 = new GUtil.signal () in
+ let op_download_dir_tarball = new GUtil.signal () in
+ let op_download_file = new GUtil.signal () in
+ let op_file_information = new GUtil.signal () in
+ let op_file_properties = new GUtil.signal () in
+ let op_inspection_dialog = new GUtil.signal () in
+ let op_view_file = new GUtil.signal () in
+
+object (self)
+ inherit GTree.view view#as_tree_view
+ inherit GUtil.ml_signals [clear_tree#disconnect;
+ op_checksum_file#disconnect;
+ op_copy_regvalue#disconnect;
+ op_disk_usage#disconnect;
+ op_download_as_reg#disconnect;
+ op_download_dir_find0#disconnect;
+ op_download_dir_tarball#disconnect;
+ op_download_file#disconnect;
+ op_file_information#disconnect;
+ op_file_properties#disconnect;
+ op_inspection_dialog#disconnect;
+ op_view_file#disconnect]
+
+ (* Signals. *)
+ method clear_tree : callback:(unit -> unit) -> GtkSignal.id =
+ clear_tree#connect ~after
+ method op_checksum_file = op_checksum_file#connect ~after
+ method op_copy_regvalue = op_copy_regvalue#connect ~after
+ method op_disk_usage = op_disk_usage#connect ~after
+ method op_download_as_reg = op_download_as_reg#connect ~after
+ method op_download_dir_find0 = op_download_dir_find0#connect ~after
+ method op_download_dir_tarball = op_download_dir_tarball#connect ~after
+ method op_download_file = op_download_file#connect ~after
+ method op_file_information = op_file_information#connect ~after
+ method op_file_properties = op_file_properties#connect ~after
+ method op_inspection_dialog = op_inspection_dialog#connect ~after
+ method op_view_file = op_view_file#connect ~after
+
+ initializer
+ (* Open a context menu when a button is pressed. *)
+ ignore (view#event#connect#button_press ~callback:self#button_press);
+
+ (* Create the view. *)
+ view#set_model (Some (model :> GTree.model));
+
+ (* Cell renderers. *)
+ 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 [`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 [`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)
+
+ method clear () : unit =
+ model#clear ();
+ Hashtbl.clear hash;
+ clear_tree#call ()
+
+ method add_os name data : unit =
+ self#clear ();
+
+ (* 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.insp_all_filesystems) in
+ let other_filesystems =
+ List.fold_left (fun set { insp_filesystems = fses } ->
+ DeviceSet.subtract set (DeviceSet.of_array fses))
+ other_filesystems data.insp_oses in
+
+ (* Add top level operating systems. *)
+ List.iter (self#add_top_level_os name) data.insp_oses;
+
+ (* Add top level left-over filesystems. *)
+ DeviceSet.iter (self#add_top_level_vol name) other_filesystems;
+
+ (* If it's Windows and registry files exist, create a node for
+ * each file.
+ *)
+ List.iter (
+ fun os ->
+ (match os.insp_winreg_SAM with
+ | Some filename ->
+ self#add_top_level_winreg name os "HKEY_LOCAL_MACHINE\\SAM"
+ filename
+ | None -> ()
+ );
+ (match os.insp_winreg_SECURITY with
+ | Some filename ->
+ self#add_top_level_winreg name os "HKEY_LOCAL_MACHINE\\SECURITY"
+ filename
+ | None -> ()
+ );
+ (match os.insp_winreg_SOFTWARE with
+ | Some filename ->
+ self#add_top_level_winreg name os "HKEY_LOCAL_MACHINE\\SOFTWARE"
+ filename
+ | None -> ()
+ );
+ (match os.insp_winreg_SYSTEM with
+ | Some filename ->
+ self#add_top_level_winreg name os "HKEY_LOCAL_MACHINE\\SYSTEM"
+ filename
+ | None -> ()
+ );
+ (match os.insp_winreg_DEFAULT with
+ | Some filename ->
+ self#add_top_level_winreg name os "HKEY_USERS\\.DEFAULT" filename
+ | None -> ()
+ );
+ ) data.insp_oses;
+
+ (* Expand the first top level node. *)
+ match model#get_iter_first with
+ | None -> ()
+ | Some row ->
+ self#expand_row (model#get_path row)
+
+ (* Add a top level operating system node. *)
+ method private add_top_level_os name os =
+ let markup =
+ sprintf "%s\n%s\n%s"
+ (markup_escape name) (markup_escape os.insp_hostname)
+ (markup_escape os.insp_product_name) in
+
+ let row = model#append () in
+ self#make_node row (Top (OS os)) None;
+ model#set ~row ~column:name_col markup
+
+ (* Add a top level volume (left over filesystem) node. *)
+ method private add_top_level_vol name dev =
+ let markup =
+ sprintf "%s\nfrom %s"
+ (markup_escape dev) (markup_escape name) in
+
+ let row = model#append () in
+ self#make_node row (Top (Volume dev)) None;
+ model#set ~row ~column:name_col markup
+
+ (* Add a top level Windows Registry node. *)
+ method private add_top_level_winreg name os rootkey remotefile =
+ let cachefile = tmpdir // string_of_int (unique ()) ^ ".hive" in
+
+ let markup =
+ sprintf "%s\nfrom %s"
+ (markup_escape rootkey) (markup_escape name) in
+
+ let row = model#append () in
+ self#make_node row
+ (TopWinReg (OS os, rootkey, remotefile, cachefile)) None;
+ model#set ~row ~column:name_col markup
+
+ (* Generic function to make an openable node to the tree. *)
+ method private make_node row content hiveh =
+ let hdata =
+ { state=NodeNotStarted; content=content; visited=false; hiveh=hiveh } in
+ self#store_hdata 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
+ self#store_hdata placeholder hdata;
+ model#set ~row:placeholder ~column:name_col "Loading ...";
+ ignore (self#connect#row_expanded ~callback:self#user_expand_row)
+
+ method private make_leaf row content hiveh =
+ let hdata = { state=IsLeaf; content=content; visited=false; hiveh=hiveh } in
+ self#store_hdata row hdata
+
+ (* This is called when the user expands a row. *)
+ method private user_expand_row row _ =
+ match self#get_hdata 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:(self#when_read_directory_fail path)
+ src "/" (self#when_read_directory 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 = self#get_pathname row in
+
+ Slave.read_directory ~fail:(self#when_read_directory_fail path)
+ src pathname (self#when_read_directory path)
+
+ | { state=NodeNotStarted;
+ content=TopWinReg topdata } 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.
+ *)
+ self#get_registry_file ~fail:(self#when_downloaded_registry_fail path)
+ path topdata (self#when_downloaded_registry 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;
+
+ self#expand_hive_node row node
+
+ (* Ignore when a user opens a node which is loading or has been loaded. *)
+ | { state=(NodeLoading|IsNode) } -> ()
+
+ (* In some circumstances these can be nodes, eg. if we have added Info
+ * nodes below them. Just ignore them if opened.
+ *)
+ | { content=(File _ | RegValue _) } | { state=IsLeaf } -> ()
+
+ (* 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. *)
+ method private when_read_directory path entries =
+ debug "when_read_directory";
+
+ let row = model#get_iter path in
+
+ (* Sort the entries by lexicographic ordering. *)
+ let cmp { dent_name = n1 } { dent_name = n2 } =
+ UTF8.compare n1 n2
+ in
+ let entries = List.sort ~cmp entries in
+
+ (* Add the entries. *)
+ List.iter (
+ fun direntry ->
+ let { 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
+ self#make_node row (Directory direntry) None
+ else
+ self#make_leaf row (File direntry) None;
+ model#set ~row ~column:name_col (markup_of_name direntry);
+ model#set ~row ~column:mode_col (markup_of_mode stat.G.mode);
+ model#set ~row ~column:size_col (markup_of_size stat.G.size);
+ model#set ~row ~column: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 = self#find_child_node_by_content row Loading in
+ ignore (model#remove row)
+ with Invalid_argument _ | Not_found -> ()
+ );
+
+ (* The original directory entry has now been loaded, so
+ * update its state.
+ *)
+ let hdata = self#get_hdata row in
+ hdata.state <- IsNode;
+ self#set_visited row
+
+ (* This is called instead of when_read_directory when the read directory
+ * (or mount etc) failed. Convert the "Loading" entry into the
+ * error message.
+ *)
+ method private when_read_directory_fail path exn =
+ debug "when_read_directory_fail: %s" (Printexc.to_string exn);
- Slave.read_directory src pathname (when_read_directory t path)
+ match exn with
+ | G.Error msg ->
+ let row = model#get_iter path in
+ let row = model#iter_children ~nth:0 (Some row) in
- | NodeLoading, _ | IsNode, _ -> ()
+ let hdata =
+ { state=IsLeaf; content=ErrorMessage msg;
+ visited=false; hiveh=None } in
+ self#store_hdata row hdata;
- (* These are not nodes so it should never be possible to open them. *)
- | _, File _ | IsLeaf, _ | Loading, _ -> assert false
+ model#set ~row ~column:name_col (markup_escape msg)
- (* Should not exist in the tree. *)
- | NodeNotStarted, NoContent -> assert false
+ | exn ->
+ (* unexpected exception: re-raise it *)
+ raise exn
-(* Search up to the top of the tree so we know if this directory
- * comes from an OS or a volume, and the full path to here.
- *
- * The path up the tree will always look something like:
- * Top
- * \_ Directory
- * \_ Directory
- * \_ Loading <--- you are here
- *)
-and get_pathname ({ model = model } as t) row =
- let hdata = get_hdata t row in
- let parent = model#iter_parent row in
-
- match hdata, parent with
- | (Loading, NoContent), Some parent ->
- get_pathname t parent
- | (Loading, NoContent), None ->
- assert false
- | (_, Directory { Slave.dent_name = name }), Some parent
- | (_, File { Slave.dent_name = name }), Some parent ->
- let src, parent_name = get_pathname t parent in
- let path =
- if parent_name = "/" then "/" ^ name
- else parent_name ^ "/" ^ name in
- src, path
- | (_, Top src), _ -> src, "/"
- | (_, Directory _), None | (_, File _), None -> assert false
- | (_, NoContent), _ -> 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
-
- (* 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)
+ (* Called when the top level registry node has been opened and the
+ * hive file was downloaded to the cache file successfully.
+ *)
+ method private when_downloaded_registry path _ =
+ debug "when_downloaded_registry";
+ let row = model#get_iter path in
+ let hdata = self#get_hdata row in
+ let h = Option.get hdata.hiveh in
+
+ (* Continue as if expanding any other hive node. *)
+ let root = Hivex.root h in
+ self#expand_hive_node row root
+
+ (* Called instead of {!when_downloaded_registry} if the download failed. *)
+ method private when_downloaded_registry_fail 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
+ self#store_hdata row hdata;
+
+ model#set ~row ~column:name_col (markup_escape msg)
+
+ | exn ->
+ (* unexpected exception: re-raise it *)
+ raise exn
+
+ (* Expand a hive node. *)
+ method private expand_hive_node row node =
+ debug "expand_hive_node";
+ let hdata = self#get_hdata 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
+ self#make_leaf row (RegValue value) (Some h);
+ model#set ~row ~column:name_col (markup_of_regvalue h value);
+ model#set ~row ~column:size_col (markup_of_regvaluesize h value);
+ model#set ~row ~column: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
+ self#make_node row (RegKey node) (Some h);
+ model#set ~row ~column: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 = self#find_child_node_by_content row Loading in
+ ignore (model#remove row)
+ with Invalid_argument _ | Not_found -> ()
+ );
+
+ (* The original entry has now been loaded, so update its state. *)
+ hdata.state <- IsNode;
+ self#set_visited row
+
+ (* Return os(es) in the tree, if any. The root directory of the
+ * tree looks like this:
+ *
+ * \ Top (OS ...) # usually only one, but there can be zero or > 1
+ * \ Top (OS ...)
+ * \ Top (Volume ...)
+ * \ TopWinReg
+ * \ TopWinReg
+ *
+ * This returns only the Top (OS ...) entries. See also #add_top_level_os
+ * method.
+ *)
+ method oses =
+ match model#get_iter_first with
+ | None -> []
+ | Some row ->
+ let rec loop acc =
+ let acc =
+ match (self#get_hdata row).content with
+ | Top (OS os) -> os :: acc
+ | _ -> acc in
+ if model#iter_next row then
+ loop acc
+ else
+ List.rev acc
+ in
+ loop []
+
+ (* Handle mouse button press on the selected row. This opens the
+ * pop-up context menu.
+ * http://scentric.net/tutorial/sec-selections-context-menus.html
+ *)
+ method private button_press 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
+ let time = GdkEvent.Button.time ev in
+
+ (* Right button for opening the context menu. *)
+ if button = 3 then (
+(*
+ (* If no row is selected, select the row under the mouse. *)
+ let paths =
+ let sel = view#selection in
+ if sel#count_selected_rows < 1 then (
+ match view#get_path_at_pos ~x ~y with
+ | None -> []
+ | Some (path, _, _, _) ->
+ sel#unselect_all ();
+ sel#select_path path;
+ [path]
+ ) else
+ sel#get_selected_rows (* actually returns paths *) in
+*)
+ (* 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
+ let hdata = self#get_hdata row in
+ match hdata with
+ | { content=(Loading | ErrorMessage _ | Info _) } -> None
+ | { content=(Top _ | Directory _ | File _ |
+ TopWinReg _ | RegKey _ | RegValue _ ) } ->
+ Some (path, hdata)
+ ) paths in
+
+ (* Based on number of selected rows and what is selected, construct
+ * the context menu.
+ *)
+ (match self#make_context_menu paths with
+ | Some menu -> menu#popup ~button ~time
+ | None -> ()
+ );
+
+ (* Return true so no other handler will run. *)
+ true
+ )
+ (* We didn't handle this, defer to other handlers. *)
+ else false
+
+ method private make_context_menu paths =
+ let menu = GMenu.menu () in
+ let factory = new GMenu.factory menu in
+
+ let rec add_file_items path =
+ let item = factory#add_item "View ..." in
+ (match Config.opener with
+ | Some opener ->
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_view_file#call (path, opener)));
+ | None ->
+ item#misc#set_sensitive false
+ );
+ let item = factory#add_item "File information" in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_file_information#call path));
+ let item = factory#add_item "MD5 checksum" in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_checksum_file#call (path, "md5")));
+ let item = factory#add_item "SHA1 checksum" in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_checksum_file#call (path, "sha1")));
+ ignore (factory#add_separator ());
+ let item = factory#add_item "Download ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_download_file#call path));
+ ignore (factory#add_separator ());
+ let item = factory#add_item "Properties ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_file_properties#call 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:(fun () -> op_disk_usage#call 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:(fun () -> op_download_dir_tarball#call (Tar, path)));
+ let item = factory#add_item "Download as .tar.gz ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_download_dir_tarball#call (TGZ, path)));
+ let item = factory#add_item "Download as .tar.xz ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_download_dir_tarball#call (TXZ, path)));
+ let item = factory#add_item "Download list of filenames ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_download_dir_find0#call path));
+ ignore (factory#add_separator ());
+ let item = factory#add_item "Properties ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_file_properties#call path))
+
+ and add_top_os_items os path =
+ let item = factory#add_item "Operating system information ..." in
+ ignore (item#connect#activate
+ ~callback:(fun () -> op_inspection_dialog#call os));
+ 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
+ (match Config.hivexregedit with
+ | Some hivexregedit ->
+ ignore (item#connect#activate
+ ~callback:(fun () ->
+ op_download_as_reg#call (path, hivexregedit)));
+ | None ->
+ 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:(fun () -> op_copy_regvalue#call path));
+
+ in
+
+ let has_menu =
+ match paths with
+ | [] -> false
+
+ (* single selection *)
+ | [path, { content=Top (OS os)} ] -> (* top level operating system *)
+ add_top_os_items os path; true
+
+ | [path, { content=Top (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
+
+ (* Store hdata into a row. *)
+ method private store_hdata row hdata =
+ let index = unique () in
+ Hashtbl.add hash index hdata;
+ model#set ~row ~column:index_col index
+
+ (* Retrieve previously stored hdata from a row. *)
+ method private get_hdata row =
+ let index = model#get ~row ~column:index_col in
+ try Hashtbl.find hash index
+ with Not_found -> assert false
+
+ (* [find_child_node_by_content row content] searches the direct
+ children of [row] looking for one which exactly matches
+ [hdata.content] and returns that child. If no child found,
+ raises [Not_found]. *)
+ method private find_child_node_by_content row c =
+ let rec loop row =
+ if (self#get_hdata row).content = c then
+ row
+ else if model#iter_next row then
+ loop row
else
- make_leaf t row (File direntry);
- model#set ~row ~column:t.name_col (markup_of_name name);
- model#set ~row ~column:t.mode_col (markup_of_mode stat.G.mode);
- model#set ~row ~column:t.size_col stat.G.size;
- model#set ~row ~column:t.date_col (markup_of_date stat.G.mtime);
- model#set ~row ~column:t.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.
+ raise Not_found
+ in
+
+ if not (model#iter_has_child row) then
+ raise Not_found;
+
+ let first_child = model#iter_children (Some row) in
+ loop first_child
+
+ (* Search up to the top of the tree so we know if this directory
+ * comes from an OS or a volume, and the full path to here.
+ *
+ * The path up the tree will always look something like:
+ * Top
+ * \_ Directory
+ * \_ Directory
+ * \_ Loading <--- you are here
+ *
+ * Note this function cannot be called on registry keys. See
+ * {!get_registry_path} for that.
+ *)
+ method get_pathname row =
+ let hdata = self#get_hdata row in
+ let parent = model#iter_parent row in
+
+ match hdata, parent with
+ | { state=IsLeaf; content=(Loading|ErrorMessage _|Info _) }, Some parent ->
+ self#get_pathname parent
+ | { state=IsLeaf; content=(Loading|ErrorMessage _|Info _) }, None ->
+ assert false
+ | { content=Directory { dent_name = name }}, Some parent
+ | { content=File { dent_name = name }}, Some parent ->
+ let src, parent_name = self#get_pathname parent in
+ let path =
+ if parent_name = "/" then "/" ^ name
+ else parent_name ^ "/" ^ name in
+ src, path
+ | { content=Top src }, _ -> src, "/"
+ | { content=Directory _ }, None -> assert false
+ | { content=File _ }, None -> assert false
+ | { content=Loading }, _ -> assert false
+ | { content=ErrorMessage _ }, _ -> assert false
+ | { content=Info _ }, _ -> assert false
+ | { content=TopWinReg _ }, _ -> assert false
+ | { content=RegKey _ }, _ -> assert false
+ | { content=RegValue _ }, _ -> assert false
+
+ method get_direntry row =
+ let hdata = self#get_hdata row in
+ match hdata with
+ | { content=Directory direntry}
+ | { content=File direntry} -> direntry
+ | _ -> assert false
+
+ (* Search up to the top of the tree from a registry key.
+ *
+ * The path up the tree will always look something like:
+ * TopWinReg
+ * \_ RegKey
+ * \_ RegKey <--- you are here
+ * \_ Loading <--- or here
+ *
+ * Note this function cannot be called on ordinary paths. Use
+ * {!get_pathname} for that.
*)
- (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.
+ method get_registry_path row =
+ let hdata = self#get_hdata row in
+ let parent = model#iter_parent row in
+
+ match hdata, parent with
+ | { state=IsLeaf; content=(Loading|ErrorMessage _|Info _) }, Some parent ->
+ self#get_registry_path parent
+ | { state=IsLeaf; content=(Loading|ErrorMessage _|Info _) }, None ->
+ assert false
+ | { content=RegKey node; hiveh = Some h }, Some parent ->
+ let top, path = self#get_registry_path parent in
+ let path = Hivex.node_name h node :: path in
+ top, path
+ | { content=TopWinReg (a,b,c,d) }, None -> (a,b,c,d), []
+ | { content=TopWinReg _ }, _ -> assert false
+ | { content=RegKey _}, _ -> assert false
+ | { content=Top _ }, _ -> assert false
+ | { content=Directory _ }, _ -> assert false
+ | { content=File _ }, _ -> assert false
+ | { content=Loading }, _ -> assert false
+ | { content=ErrorMessage _ }, _ -> assert false
+ | { content=Info _ }, _ -> assert false
+ | { content=RegValue _ }, _ -> assert false
+
+ method get_registry_value row =
+ let hdata = self#get_hdata row in
+ match hdata with
+ | { content=RegValue value; hiveh = Some h } ->
+ Hivex.value_value h value
+ | _ -> assert false (* not a registry value *)
+
+ (* This is called whenever we need the registry cache file and we
+ can't be sure that it has already been downloaded. *)
+ method get_registry_file ?fail path (src, _, remotefile, cachefile) cb =
+ let row = model#get_iter path in
+ let top =
+ let rec loop row =
+ match model#iter_parent row with
+ | None -> row
+ | Some parent -> loop parent
+ in
+ loop row in
+
+ Slave.download_file_if_not_exist ?fail src remotefile cachefile
+ (self#when_got_registry_file ?fail top cb)
+
+ method private when_got_registry_file ?fail top cb () =
+ debug "when_got_registry_file";
+ let hdata = self#get_hdata top in
+
+ match hdata with
+ | { hiveh=Some _; content=TopWinReg (_, _, _, cachefile) } ->
+ (* Hive handle already opened. *)
+ cb cachefile
+
+ | { hiveh=None; content=TopWinReg (src, rootkey, remotefile, cachefile) } ->
+ (* Hive handle not opened, open it and save it in the handle. *)
+ (try
+ let flags = if verbose () then [ Hivex.OPEN_VERBOSE ] else [] in
+ let h = Hivex.open_file cachefile flags in
+ hdata.hiveh <- Some h;
+ cb cachefile
+ with
+ Hivex.Error _ as exn ->
+ match fail with
+ | Some fail -> fail exn
+ | None -> raise exn
+ )
+
+ | _ -> assert false
+
+ (* This is a bit of a hack. Ideally just setting 'visited' would
+ * darken the colour when the cell was re-rendered. However that would
+ * mean we couldn't store other stuff in the name column. Therefore,
+ * repopulate the name column.
*)
- let state, content = get_hdata t row in
- let hdata = IsNode, content in
- store_hdata t row hdata
+ method set_visited row =
+ let hdata = self#get_hdata row in
+ if hdata.visited = false then (
+ hdata.visited <- true;
+ match hdata.content with
+ | Directory direntry | File direntry ->
+ debug "set_visited %s" direntry.dent_name;
+ model#set ~row ~column:name_col
+ (markup_of_name ~visited:true direntry)
+ | RegKey node ->
+ debug "set_visited RegKey";
+ let h = Option.get hdata.hiveh in
+ model#set ~row ~column:name_col
+ (markup_of_regkey ~visited:true h node)
+ | RegValue value ->
+ debug "set_visited RegValue";
+ let h = Option.get hdata.hiveh in
+ model#set ~row ~column:name_col
+ (markup_of_regvalue ~visited:true h value)
+ | Loading | ErrorMessage _ | Info _ | Top _ | TopWinReg _ -> ()
+ )
+
+ method has_child_info_node path info_text =
+ let row = model#get_iter path in
+ let content = Info info_text in
+ try ignore (self#find_child_node_by_content row content); true
+ with Not_found -> false
+
+ method set_child_info_node path info_text text =
+ self#expand_row path;
+ let row = model#get_iter path in
+ let content = Info info_text in
+ let row =
+ try self#find_child_node_by_content row content
+ with Not_found -> model#insert ~parent:row 0 in
+ let hdata = { state=IsLeaf; content=content; visited=false; hiveh=None } in
+ self#store_hdata row hdata;
+ model#set ~row ~column:name_col text
+
+end