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.
28 (* Base colours. XXX Should be configurable somewhere. *)
29 let file_color = 0x20, 0x20, 0xff (* regular file *)
30 let dir_color = 0x80, 0x80, 0x20 (* directory *)
31 let symlink_color = file_color (* symlink *)
32 let suid_color = 0x20, 0x20, 0x80 (* setuid bit set on regular file *)
33 let suid_bgcolor = 0xff, 0xc0, 0xc0
34 let sgid_color = suid_color (* setgid bit set on regular file *)
35 let sgid_bgcolor = suid_bgcolor
36 let block_color = 0x00, 0x60, 0x60 (* block device *)
37 let char_color = block_color (* char device *)
38 let fifo_color = 0x60, 0x00, 0x60 (* fifo *)
39 let socket_color = fifo_color (* socket *)
40 let other_color = file_color (* anything not one of the above *)
42 (* Mark up a filename for the name_col column.
45 * http://library.gnome.org/devel/pango/stable/PangoMarkupFormat.html
47 let rec markup_of_name ?(visited = false) direntry =
48 let name = direntry.dent_name in
49 let mode = direntry.dent_stat.Guestfs.mode in
50 if is_directory mode then ( (* directory *)
51 let fg = if not visited then normal dir_color else darken dir_color in
52 sprintf "<span weight=\"bold\" fgcolor=\"%s\">%s</span>"
53 fg (markup_escape name)
55 else if is_symlink mode then ( (* symlink *)
56 let link = direntry.dent_link in
58 if not visited then normal symlink_color else darken symlink_color in
59 sprintf "<span style=\"italic\" fgcolor=\"%s\">%s</span> %s <span style=\"italic\" fgcolor=\"%s\">%s</span>"
60 fg (markup_escape name) utf8_rarrow fg (markup_escape link)
62 else ( (* not directory, not symlink *)
64 if is_regular_file mode then (
65 if is_suid mode then suid_color, Some suid_bgcolor
66 else if is_sgid mode then sgid_color, Some sgid_bgcolor
69 else if is_block mode then block_color, None
70 else if is_char mode then char_color, None
71 else if is_fifo mode then fifo_color, None
72 else if is_socket mode then socket_color, None
73 else other_color, None in
74 let fg = if not visited then normal fg else darken fg in
77 | Some bg -> sprintf " bgcolor=\"%s\"" (normal bg)
79 sprintf "<span fgcolor=\"%s\"%s>%s</span>"
80 fg bg (markup_escape name)
83 (* Mark up a registry key. *)
84 and markup_of_regkey ?(visited = false) h node =
85 let name = Hivex.node_name h node in
86 let fg = if not visited then normal dir_color else darken dir_color in
87 sprintf "<span fgcolor=\"%s\">%s</span>" fg (markup_escape name)
89 (* Mark up a registry value. *)
90 and markup_of_regvalue ?(visited = false) h value =
91 let k = Hivex.value_key h value in
92 let k = if k = "" then "@" else k in
93 let t, v = Hivex.value_value h value in
95 (* Ignore long values. *)
96 let len = String.length v in
98 if len >= 512 then sprintf "<%d bytes not printed>" len
99 else markup_escape (printable_hivex_value ~split_long_lines:true t v) in
101 let fg = if not visited then normal file_color else darken file_color in
102 sprintf "<span fgcolor=\"%s\">%s</span>=<span fgcolor=\"%s\">%s</span>"
103 fg (markup_escape k) fg v
105 and normal (r, g, b) =
106 let r = if r < 0 then 0 else if r > 255 then 255 else r in
107 let g = if g < 0 then 0 else if g > 255 then 255 else g in
108 let b = if b < 0 then 0 else if b > 255 then 255 else b in
109 sprintf "#%02x%02x%02x" r g b
111 and darken (r, g, b) =
112 normal (r * 4 / 10, g * 4 / 10, b * 4 / 10)
115 let markup_of_mode mode =
117 if is_socket mode then 's'
118 else if is_symlink mode then 'l'
119 else if is_regular_file mode then '-'
120 else if is_block mode then 'b'
121 else if is_directory mode then 'd'
122 else if is_char mode then 'c'
123 else if is_fifo mode then 'p' else '?' in
124 let ru = if is_ru mode then 'r' else '-' in
125 let wu = if is_wu mode then 'w' else '-' in
126 let xu = if is_xu mode then 'x' else '-' in
127 let rg = if is_rg mode then 'r' else '-' in
128 let wg = if is_wg mode then 'w' else '-' in
129 let xg = if is_xg mode then 'x' else '-' in
130 let ro = if is_ro mode then 'r' else '-' in
131 let wo = if is_wo mode then 'w' else '-' in
132 let xo = if is_xo mode then 'x' else '-' in
133 let str = sprintf "%c%c%c%c%c%c%c%c%c%c" c ru wu xu rg wg xg ro wo xo in
135 let suid = is_suid mode in
136 let sgid = is_sgid mode in
137 let svtx = is_svtx mode in
138 if suid then str.[3] <- 's';
139 if sgid then str.[6] <- 's';
140 if svtx then str.[9] <- 't';
142 "<span color=\"#222222\" size=\"small\">" ^ str ^ "</span>"
145 let markup_of_date t =
146 (* Guestfs gives us int64's, we want float which is OCaml's
147 * equivalent of time_t.
149 let t = Int64.to_float t in
151 let show_full_date () =
152 let tm = localtime t in
153 sprintf "<span color=\"#222222\" size=\"small\">%04d-%02d-%02d %02d:%02d:%02d</span>"
154 (tm.tm_year + 1900) (tm.tm_mon + 1) tm.tm_mday
155 tm.tm_hour tm.tm_min tm.tm_sec
160 let ago = now -. t in
161 if ago < 0. then (* future *)
163 else if ago < 60. then
165 else if ago < 60. *. 60. then
166 sprintf "<small>%.0f minutes ago</small>" (ago /. 60.)
167 else if ago < 60. *. 60. *. 24. then
168 sprintf "<small>%.0f hours ago</small>" (ago /. 60. /. 60.)
169 else if ago < 60. *. 60. *. 24. *. 28. then
170 sprintf "<small>%.0f days ago</small>" (ago /. 60. /. 60. /. 24.)
174 (* Mark up file sizes. *)
175 let markup_of_size bytes =
176 sprintf "<small>%s</small>" (human_size bytes)
178 (* Mark up registry value types. *)
179 let markup_of_regvaluetype h value =
180 let t, _ = Hivex.value_value h value in
183 | Hivex.REG_NONE -> "none(0)"
184 | Hivex.REG_SZ -> "str(1)"
185 | Hivex.REG_EXPAND_SZ -> "str(2)"
186 | Hivex.REG_BINARY -> "hex(3)"
187 | Hivex.REG_DWORD -> "dword(4)"
188 | Hivex.REG_DWORD_BIG_ENDIAN -> "dword(5)"
189 | Hivex.REG_LINK -> "link(6)"
190 | Hivex.REG_MULTI_SZ -> "multi string (7)"
191 | Hivex.REG_RESOURCE_LIST -> "resource list (8)"
192 | Hivex.REG_FULL_RESOURCE_DESCRIPTOR -> "full resource descriptor (9)"
193 | Hivex.REG_RESOURCE_REQUIREMENTS_LIST -> "resource requirements list (10)"
194 | Hivex.REG_QWORD -> "qword (11)"
195 | Hivex.REG_UNKNOWN i32 -> sprintf "type 0x%08lx" i32
197 (* Mark up registry value sizes. *)
198 let markup_of_regvaluesize h value =
199 let _, len = Hivex.value_type h value in