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(* virt-v2v
* Copyright (C) 2014 Red Hat Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*)
open Common_utils
open Common_gettext.Gettext
type regedits = regedit list
and regedit = regkeypath * regvalues
and regkeypath = string list
and regvalues = regvalue list
and regvalue = string * regtype
and regtype =
| REG_NONE
| REG_SZ of string
| REG_EXPAND_SZ of string
| REG_BINARY of string
| REG_DWORD of int32
(* Take a 7 bit ASCII string and encode it as UTF16LE. *)
let encode_utf16le str =
let len = String.length str in
let copy = String.make (len*2) '\000' in
for i = 0 to len-1 do
String.unsafe_set copy (i*2) (String.unsafe_get str i)
done;
copy
(* Take a UTF16LE string and decode it to UTF-8. Actually this
* fails if the string is not 7 bit ASCII. XXX Use iconv here.
*)
let decode_utf16le ~prog str =
let len = String.length str in
if len mod 2 <> 0 then
error ~prog (f_"decode_utf16le: Windows string does not appear to be in UTF16-LE encoding. This could be a bug in %s.") prog;
let copy = String.create (len/2) in
for i = 0 to (len/2)-1 do
let cl = String.unsafe_get str (i*2) in
let ch = String.unsafe_get str ((i*2)+1) in
if ch != '\000' || Char.code cl >= 127 then
error ~prog (f_"decode_utf16le: Windows UTF16-LE string contains non-7-bit characters. This is a bug in %s, please report it.") prog;
String.unsafe_set copy i cl
done;
copy
let rec import_key (g : Guestfs.guestfs) root (path, values) =
(* Create the path starting at the root node. *)
let node =
let rec loop parent = function
| [] -> parent
| x :: xs ->
let node =
match g#hivex_node_get_child parent x with
| 0L -> g#hivex_node_add_child parent x (* not found, create *)
| node -> node in
loop node xs
in
loop root path in
(* Delete any existing values in this node. *)
(* g#hivex_node_set_values ...
XXX Or at least, it would be nice to do this, but there is no
binding for it in libguestfs. I'm not sure how much this matters. *)
(* Create the values. *)
import_values g node values
and import_values g node = List.iter (import_value g node)
and import_value g node = function
| key, REG_NONE -> g#hivex_node_set_value node key 0L ""
(* All string registry fields have a terminating NUL, which in
* UTF-16LE means they have 3 zero bytes -- the first is the high
* byte from the last character, and the second and third are the
* UTF-16LE encoding of ASCII NUL. So we have to add two zero
* bytes at the end of string fields.
*)
| key, REG_SZ s ->
g#hivex_node_set_value node key 1L (encode_utf16le s ^ "\000\000")
| key, REG_EXPAND_SZ s ->
g#hivex_node_set_value node key 2L (encode_utf16le s ^ "\000\000")
| key, REG_BINARY bin ->
g#hivex_node_set_value node key 3L bin
| key, REG_DWORD dw ->
g#hivex_node_set_value node key 4L (le32_of_int (Int64.of_int32 dw))
let reg_import g root = List.iter (import_key g root)
|
