modules/admin-full: make menu entry for led config depend on sysfs availability
[project/luci.git] / modules / admin-full / luasrc / controller / admin / system.lua
1 --[[
2 LuCI - Lua Configuration Interface
3
4 Copyright 2008 Steven Barth <steven@midlink.org>
5
6 Licensed under the Apache License, Version 2.0 (the "License");
7 you may not use this file except in compliance with the License.
8 You may obtain a copy of the License at
9
10         http://www.apache.org/licenses/LICENSE-2.0
11
12 $Id$
13 ]]--
14 module("luci.controller.admin.system", package.seeall)
15
16 function index()
17         luci.i18n.loadc("admin-core")
18         local i18n = luci.i18n.translate
19         
20         entry({"admin", "system"}, alias("admin", "system", "system"), i18n("system"), 30).index = true
21         entry({"admin", "system", "system"}, cbi("admin_system/system"), i18n("system"), 1)
22         entry({"admin", "system", "packages"}, call("action_packages"), i18n("a_s_packages"), 10)
23         entry({"admin", "system", "packages", "ipkg"}, form("admin_system/ipkg"), i18n("a_s_p_ipkg"))
24         entry({"admin", "system", "passwd"}, form("admin_system/passwd"), i18n("a_s_changepw"), 20)
25         entry({"admin", "system", "sshkeys"}, form("admin_system/sshkeys"), i18n("a_s_sshkeys"), 30)
26         entry({"admin", "system", "processes"}, form("admin_system/processes"), i18n("process_head"), 45)
27         entry({"admin", "system", "fstab"}, cbi("admin_system/fstab"), i18n("a_s_fstab"), 50)
28
29         if luci.fs.isdirectory("/sys/class/leds") then
30                 entry({"admin", "system", "leds"}, cbi("admin_system/leds"), i18n("leds", "LEDs"), 60)
31         end
32
33         entry({"admin", "system", "backup"}, call("action_backup"), i18n("a_s_backup"), 70)
34         entry({"admin", "system", "upgrade"}, call("action_upgrade"), i18n("a_s_flash"), 80)
35         entry({"admin", "system", "reboot"}, call("action_reboot"), i18n("reboot"), 90)
36 end
37
38 function action_packages()
39         local ipkg = require("luci.model.ipkg")
40         local void = nil
41         local submit = luci.http.formvalue("submit")
42         
43         
44         -- Search query
45         local query = luci.http.formvalue("query")
46         query = (query ~= '') and query or nil
47         
48         
49         -- Packets to be installed
50         local install = submit and luci.http.formvaluetable("install")
51         
52         -- Install from URL
53         local url = luci.http.formvalue("url")
54         if url and url ~= '' and submit then
55                 if not install then
56                         install = {}
57                 end
58                 install[url] = 1
59         end
60         
61         -- Do install
62         if install then
63                 for k, v in pairs(install) do
64                         void, install[k] = ipkg.install(k)
65                 end
66         end
67         
68         
69         -- Remove packets
70         local remove = submit and luci.http.formvaluetable("remove")
71         if remove then  
72                 for k, v in pairs(remove) do
73                         void, remove[k] = ipkg.remove(k)
74                 end     
75         end
76         
77         
78         -- Update all packets
79         local update = luci.http.formvalue("update")
80         if update then
81                 void, update = ipkg.update()
82         end
83         
84         
85         -- Upgrade all packets
86         local upgrade = luci.http.formvalue("upgrade")
87         if upgrade then
88                 void, upgrade = ipkg.upgrade()
89         end
90         
91         
92         -- Package info
93         local info = luci.model.ipkg.info(query and "*"..query.."*")
94         info = info or {}
95         local pkgs = {}
96         
97         -- Sort after status and name
98         for k, v in pairs(info) do
99                 local x = 0
100                 for i, j in pairs(pkgs) do
101                         local vins = (v.Status and v.Status.installed)
102                         local jins = (j.Status and j.Status.installed)
103                         if vins ~= jins then
104                                 if vins then
105                                         break
106                                 end
107                         else
108                                 if j.Package > v.Package then
109                                         break
110                                 end
111                         end
112                         x = i
113                 end
114                 table.insert(pkgs, x+1, v)
115         end 
116         
117         luci.template.render("admin_system/packages", {pkgs=pkgs, query=query,
118          install=install, remove=remove, update=update, upgrade=upgrade})       
119 end
120
121 function action_backup()
122         local reset_avail = os.execute([[grep '"rootfs_data"' /proc/mtd >/dev/null 2>&1]]) == 0
123         local restore_cmd = "gunzip | tar -xC/ >/dev/null 2>&1"
124         local backup_cmd  = "tar -c %s | gzip 2>/dev/null"
125         
126         local restore_fpi 
127         luci.http.setfilehandler(
128                 function(meta, chunk, eof)
129                         if not restore_fpi then
130                                 restore_fpi = io.popen(restore_cmd, "w")
131                         end
132                         if chunk then
133                                 restore_fpi:write(chunk)
134                         end
135                         if eof then
136                                 restore_fpi:close()
137                         end
138                 end
139         )
140                   
141         local upload = luci.http.formvalue("archive")
142         local backup = luci.http.formvalue("backup")
143         local reset  = reset_avail and luci.http.formvalue("reset")
144         
145         if upload and #upload > 0 then
146                 luci.template.render("admin_system/applyreboot")
147                 luci.sys.reboot()
148         elseif backup then
149                 luci.util.perror(backup_cmd:format(_keep_pattern()))
150                 local backup_fpi = io.popen(backup_cmd:format(_keep_pattern()), "r")
151                 luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"' % {
152                         luci.sys.hostname(), os.date("%Y-%m-%d")})
153                 luci.http.prepare_content("application/x-targz")
154                 luci.ltn12.pump.all(luci.ltn12.source.file(backup_fpi), luci.http.write)
155         elseif reset then
156                 luci.template.render("admin_system/applyreboot")
157                 luci.util.exec("mtd -r erase rootfs_data")
158         else
159                 luci.template.render("admin_system/backup", {reset_avail = reset_avail})
160         end
161 end
162
163 function action_passwd()
164         local p1 = luci.http.formvalue("pwd1")
165         local p2 = luci.http.formvalue("pwd2")
166         local stat = nil
167         
168         if p1 or p2 then
169                 if p1 == p2 then
170                         stat = luci.sys.user.setpasswd("root", p1)
171                 else
172                         stat = 10
173                 end
174         end
175         
176         luci.template.render("admin_system/passwd", {stat=stat})
177 end
178
179 function action_reboot()
180         local reboot = luci.http.formvalue("reboot")
181         luci.template.render("admin_system/reboot", {reboot=reboot})
182         if reboot then
183                 luci.sys.reboot()
184         end
185 end
186
187 function action_upgrade()
188         require("luci.model.uci")
189
190         local ret
191         local plat = luci.fs.mtime("/lib/upgrade/platform.sh")
192         local tmpfile = "/tmp/firmware.img"
193         local keep_avail = true
194
195         local file
196         luci.http.setfilehandler(
197                 function(meta, chunk, eof)
198                         if not file then
199                                 file = io.open(tmpfile, "w")
200                         end
201                         if chunk then
202                                 file:write(chunk)
203                         end
204                         if eof then
205                                 file:close()
206                         end
207                 end
208         )
209
210         local fname   = luci.http.formvalue("image")
211         local keepcfg = keep_avail and luci.http.formvalue("keepcfg")
212
213         if plat and fname then
214                 ret = function()
215                         return luci.sys.flash(tmpfile, keepcfg and _keep_pattern())
216                 end
217         end
218
219         luci.http.prepare_content("text/html")
220         luci.template.render("admin_system/upgrade", {sysupgrade=plat, ret=ret, keep_avail=keep_avail})
221 end
222
223 function _keep_pattern()
224         local kpattern = ""
225         local files = luci.model.uci.cursor():get_all("luci", "flash_keep")
226         if files then
227                 kpattern = ""
228                 for k, v in pairs(files) do
229                         if k:sub(1,1) ~= "." and luci.fs.glob(v) then
230                                 kpattern = kpattern .. " " ..  v
231                         end
232                 end
233         end
234         return kpattern
235 end