2 * Copyright (C) 2010 Red Hat Inc.
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
26 let ( *^ ) = Int64.mul
29 type ('a, 'b) either = Left of 'a | Right of 'b
31 let (//) = Filename.concat
33 let verbose = ref false
34 let set_verbose_flag () = verbose := true
35 let verbose () = !verbose
40 prerr_string Config.package;
41 prerr_string ": tid ";
42 prerr_string (string_of_int (Thread.id (Thread.self ())));
52 if verbose () then (prerr_string str; prerr_newline ());
58 let set_trace_flag () = trace := true
61 let connect_uri = ref None
62 let set_connect_uri conn = connect_uri := conn
63 let connect_uri () = !connect_uri
65 let utf8_rarrow = "\xe2\x86\x92"
67 let pretty_string_of_exn =
69 | Guestfs.Error str ->
71 sprintf "libguestfs reported an error:
75 To get more information about libguestfs errors, run guestfs-browser
76 with the -x flag on the command line."
79 (* Add more exception types here as we come across them. Last
80 * case below is the catch-all.
83 "Error", Printexc.to_string exn
88 else if i < 1024L *^ 1024L then
89 sprintf "%.1f KB" (Int64.to_float i /. 1024.)
90 else if i < 1024L *^ 1024L *^ 1024L then
91 sprintf "%.1f MB" (Int64.to_float i /. 1024. /. 1024.)
92 else if i < 1024L *^ 1024L *^ 1024L *^ 1024L then
93 sprintf "%.1f GB" (Int64.to_float i /. 1024. /. 1024. /. 1024.)
95 sprintf "%.1f TB" (Int64.to_float i /. 1024. /. 1024. /. 1024. /. 1024.)
100 else if i < 1024L *^ 1024L then
101 sprintf "%.1f MB" (Int64.to_float i /. 1024.)
103 sprintf "%.1f GB" (Int64.to_float i /. 1024. /. 1024.)
105 let unique = let i = ref 0 in fun () -> incr i; !i
108 (GMisc.label ~text () :> GObj.widget)
110 (* g_markup_escape is not bound by lablgtk2, but we want to provide
111 * extra protection for \0 characters appearing in the string
114 let markup_escape name =
116 | '&' -> "&" | '<' -> "<" | '>' -> ">"
118 | c -> String.make 1 c
120 String.replace_chars f name
122 let libguestfs_version_string () =
123 let g = new Guestfs.guestfs () in
124 let v = g#version () in
126 sprintf "%Ld.%Ld.%Ld%s"
127 v.Guestfs.major v.Guestfs.minor v.Guestfs.release v.Guestfs.extra in
131 let libvirt_version_string () =
132 let v = fst (Libvirt.get_version ()) in
133 sprintf "%d.%d.%d" (v / 1_000_000) ((v / 1_000) mod 1_000) (v mod 1_000)
137 * Note these have to be on Linux ABI modes. We cannot use the
138 * OCaml (ie. host) equivalents here.
140 let rec file_type mask mode = Int64.logand mode 0o170000L = mask
142 and is_socket mode = file_type 0o140000L mode
143 and is_symlink mode = file_type 0o120000L mode
144 and is_regular_file mode = file_type 0o100000L mode
145 and is_block mode = file_type 0o060000L mode
146 and is_directory mode = file_type 0o040000L mode
147 and is_char mode = file_type 0o020000L mode
148 and is_fifo mode = file_type 0o010000L mode
150 and is_suid mode = test_bit 0o4000L mode
151 and is_sgid mode = test_bit 0o2000L mode
152 and is_svtx mode = test_bit 0o1000L mode
154 and is_ru mode = test_bit 0o400L mode
155 and is_wu mode = test_bit 0o200L mode
156 and is_xu mode = test_bit 0o100L mode
157 and is_rg mode = test_bit 0o040L mode
158 and is_wg mode = test_bit 0o020L mode
159 and is_xg mode = test_bit 0o010L mode
160 and is_ro mode = test_bit 0o004L mode
161 and is_wo mode = test_bit 0o002L mode
162 and is_xo mode = test_bit 0o001L mode
164 and test_bit mask mode = Int64.logand mode mask = mask
167 let chan = open_in "/dev/urandom" in
168 let data = String.create 16 in
169 really_input chan data 0 (String.length data);
171 let data = Digest.to_hex (Digest.string data) in
172 (* Note this is secure, because if the name already exists, even as a
173 * symlink, mkdir(2) will fail.
175 let tmpdir = Filename.temp_dir_name // sprintf "guestfsbrowser%s.tmp" data in
176 Unix.mkdir tmpdir 0o700;
179 let cmd = sprintf "rm -rf %s" (Filename.quote tmpdir) in
180 ignore (Sys.command cmd));
183 module CE = CamomileLibraryDefault.Camomile.CharEncoding
184 module UTF8 = CamomileLibraryDefault.Camomile.UTF8
185 module UChar = CamomileLibraryDefault.Camomile.UChar
186 let utf16le = CE.utf16le
188 let recode = CE.recode_string ~in_enc:utf16le ~out_enc:utf8
190 let windows_string_to_utf8 str =
191 let str = recode str in
193 (* Windows strings include the final \0 so remove this if present. *)
194 let len = UTF8.length str in
195 if len > 0 && UChar.code (UTF8.get str (len-1)) = 0 then
196 String.sub str 0 (UTF8.last str)
200 (* Best effort convert hive value to printable string. *)
201 let rec printable_hivex_value ?split_long_lines t v =
202 let hex = reg_hex_of_string ?split_long_lines in
204 | Hivex.REG_NONE -> if v = "" then "" else hex v
206 (try windows_string_to_utf8 v with _ -> hex v)
207 | Hivex.REG_EXPAND_SZ ->
208 (try windows_string_to_utf8 v with _ -> hex v)
209 | Hivex.REG_BINARY -> hex v
211 (bitmatch Bitstring.bitstring_of_string v with
212 | { i : 32 : littleendian } -> sprintf "%08lx" i
214 | Hivex.REG_DWORD_BIG_ENDIAN ->
215 (bitmatch Bitstring.bitstring_of_string v with
216 | { i : 32 : bigendian } -> sprintf "%08lx" i
218 | Hivex.REG_LINK -> hex v
219 | Hivex.REG_MULTI_SZ -> (* XXX should be better for this one *)
221 | Hivex.REG_RESOURCE_LIST -> hex v
222 | Hivex.REG_FULL_RESOURCE_DESCRIPTOR -> hex v
223 | Hivex.REG_RESOURCE_REQUIREMENTS_LIST -> hex v
225 (bitmatch Bitstring.bitstring_of_string v with
226 | { i : 64 : littleendian } -> sprintf "%016Lx" i
228 | Hivex.REG_UNKNOWN i32 -> hex v
230 (* Convert binary data to a hex string. This includes line breaks. *)
231 and reg_hex_of_string ?(split_long_lines=false) v =
232 let vs = String.explode v in
236 (if split_long_lines && i mod 16 = 0 then "\n" else "")
241 let local_file_exists filename =
242 try Unix.access filename [Unix.F_OK]; true
243 with Unix.Unix_error _ -> false