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luci-mod-system: reimplement flashops as client side view 

Signed-off-by: Jo-Philipp Wich <jo@mein.io>
pull/3112/head
Jo-Philipp Wich 2019-09-24 11:33:21 +02:00
parent cc786f9833
commit 2a5c5f47f9
7 changed files with 595 additions and 496 deletions
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63
modules/luci-base/luasrc/sys.lua
View File

@ -25,69 +25,6 @@ end
exec = luci.util.exec
function mounts()
local data = {}
local k = {"fs", "blocks", "used", "available", "percent", "mountpoint"}
local ps = luci.util.execi("df")
if not ps then
return
else
ps()
end
for line in ps do
local row = {}
local j = 1
for value in line:gmatch("[^%s]+") do
row[k[j]] = value
j = j + 1
end
if row[k[1]] then
-- this is a rather ugly workaround to cope with wrapped lines in
-- the df output:
--
-- /dev/scsi/host0/bus0/target0/lun0/part3
-- 114382024 93566472 15005244 86% /mnt/usb
--
if not row[k[2]] then
j = 2
line = ps()
for value in line:gmatch("[^%s]+") do
row[k[j]] = value
j = j + 1
end
end
table.insert(data, row)
end
end
return data
end
function mtds()
local data = {}
if fs.access("/proc/mtd") then
for l in io.lines("/proc/mtd") do
local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
if s and n then
local d = {}
d.size = tonumber(s, 16)
d.name = n
table.insert(data, d)
end
end
end
return data
end
-- containing the whole environment is returned otherwise this function returns
-- the corresponding string value for the given name or nil if no such variable
-- exists.

20
modules/luci-base/root/usr/share/rpcd/acl.d/luci-base.json
View File

@ -20,15 +20,22 @@
"luci-access": {
"description": "Grant access to basic LuCI procedures",
"read": {
"cgi-io": [ "backup", "download" ],
"file": {
"/": [ "list" ],
"/*": [ "list" ],
"/dev/mtdblock*": [ "read" ],
"/etc/crontabs/root": [ "read" ],
"/etc/dropbear/authorized_keys": [ "read" ],
"/etc/filesystems": [ "read" ],
"/etc/rc.local": [ "read" ],
"/etc/sysupgrade.conf": [ "read" ],
"/proc/filesystems": [ "read" ],
"/proc/sys/kernel/hostname": [ "read" ]
"/proc/mtd": [ "read" ],
"/proc/partitions": [ "read" ],
"/proc/sys/kernel/hostname": [ "read" ],
"/sys/devices/virtual/mtd/*/name": [ "read" ],
"/sys/devices/virtual/ubi/*/name": [ "read" ]
},
"ubus": {
"file": [ "list", "read", "stat" ],
@ -42,13 +49,20 @@
"uci": [ "*" ]
},
"write": {
"cgi-io": [ "upload", "/etc/luci-uploads/*" ],
"cgi-io": [ "upload" ],
"file": {
"/etc/crontabs/root": [ "write" ],
"/etc/dropbear/authorized_keys": [ "write" ],
"/etc/luci-uploads/*": [ "write" ],
"/etc/rc.local": [ "write" ],
"/sbin/block": [ "exec" ]
"/etc/sysupgrade.conf": [ "write" ],
"/sbin/block": [ "exec" ],
"/sbin/firstboot": [ "exec" ],
"/sbin/reboot": [ "exec" ],
"/sbin/sysupgrade": [ "exec" ],
"/bin/tar": [ "exec" ],
"/tmp/backup.tar.gz": [ "write" ],
"/tmp/firmware.bin": [ "write" ]
},
"ubus": {
"file": [ "write", "remove", "exec" ],

577
modules/luci-mod-system/htdocs/luci-static/resources/view/system/flash.js 100644
View File

@ -0,0 +1,577 @@
'use strict';
'require form';
'require rpc';
var callFileStat, callFileRead, callFileWrite, callFileExec, callFileRemove;
callFileStat = rpc.declare({
object: 'file',
method: 'stat',
params: [ 'path' ],
expect: { '': {} }
});
callFileRead = rpc.declare({
object: 'file',
method: 'read',
params: [ 'path' ],
expect: { data: '' },
filter: function(s) { return (s || '').trim() }
});
callFileWrite = rpc.declare({
object: 'file',
method: 'write',
params: [ 'path', 'data' ]
});
callFileExec = rpc.declare({
object: 'file',
method: 'exec',
params: [ 'command', 'params' ],
expect: { '': { code: -1 } }
});
callFileRemove = rpc.declare({
object: 'file',
method: 'remove',
params: [ 'path' ]
});
function pingDevice(proto, ipaddr) {
var target = '%s://%s%s?%s'.format(proto || 'http', ipaddr || window.location.host, L.resource('icons/loading.gif'), Math.random());
return new Promise(function(resolveFn, rejectFn) {
var img = new Image();
img.onload = resolveFn;
img.onerror = rejectFn;
window.setTimeout(rejectFn, 1000);
img.src = target;
});
}
function awaitReconnect(/* ... */) {
var ipaddrs = arguments.length ? arguments : [ window.location.host ];
window.setTimeout(function() {
L.Poll.add(function() {
var tasks = [], reachable = false;
for (var i = 0; i < 2; i++)
for (var j = 0; j < ipaddrs.length; j++)
tasks.push(pingDevice(i ? 'https' : 'http', ipaddrs[j])
.then(function(ev) { reachable = ev.target.src.replace(/^(https?:\/\/[^\/]+).*$/, '$1/') }, function() {}));
return Promise.all(tasks).then(function() {
if (reachable) {
L.Poll.stop();
window.location = reachable;
}
});
})
}, 5000);
}
function fileUpload(node, path) {
return new Promise(function(resolveFn, rejectFn) {
L.ui.showModal(_('Uploading file…'), [
E('p', _('Please select the file to upload.')),
E('div', { 'style': 'display:flex' }, [
E('div', { 'class': 'left', 'style': 'flex:1' }, [
E('input', {
type: 'file',
style: 'display:none',
change: function(ev) {
L.dom.parent(ev.target, '.modal').querySelector('.cbi-button-action.important').disabled = false;
}
}),
E('button', {
'class': 'btn',
'click': function(ev) {
ev.target.previousElementSibling.click();
}
}, [ _('Browse…') ])
]),
E('div', { 'class': 'right', 'style': 'flex:1' }, [
E('button', {
'class': 'btn',
'click': function() {
L.ui.hideModal();
rejectFn(new Error('Upload has been cancelled'));
}
}, [ _('Cancel') ]),
' ',
E('button', {
'class': 'btn cbi-button-action important',
'disabled': true,
'click': function(ev) {
var input = L.dom.parent(ev.target, '.modal').querySelector('input[type="file"]');
if (!input.files[0])
return;
var progress = E('div', { 'class': 'cbi-progressbar', 'title': '0%' }, E('div', { 'style': 'width:0' }));
L.ui.showModal(_('Uploading file…'), [ progress ]);
var data = new FormData();
data.append('sessionid', rpc.getSessionID());
data.append('filename', path);
data.append('filedata', input.files[0]);
L.Request.post('/cgi-bin/cgi-upload', data, {
timeout: 0,
progress: function(pev) {
var percent = (pev.loaded / pev.total) * 100;
node.data = '%.2f%%'.format(percent);
progress.setAttribute('title', '%.2f%%'.format(percent));
progress.firstElementChild.style.width = '%.2f%%'.format(percent);
}
}).then(function(res) {
var reply = res.json();
L.ui.hideModal();
if (L.isObject(reply) && reply.failure) {
L.ui.addNotification(null, E('p', _('Upload request failed: %s').format(reply.message)));
rejectFn(new Error(reply.failure));
}
else {
resolveFn(reply);
}
}, function(err) {
L.ui.hideModal();
rejectFn(err);
});
}
}, [ _('Upload') ])
])
])
]);
});
}
function findStorageSize(procmtd, procpart) {
var kernsize = 0, rootsize = 0, wholesize = 0;
procmtd.split(/\n/).forEach(function(ln) {
var match = ln.match(/^mtd\d+: ([0-9a-f]+) [0-9a-f]+ "(.+)"$/);
switch (match ? match[2] : '') {
case 'linux':
case 'firmware':
wholesize = parseInt(match[1], 16);
break;
case 'kernel':
case 'kernel0':
kernsize = parseInt(match[1], 16);
break;
case 'rootfs':
case 'rootfs0':
case 'ubi':
case 'ubi0':
rootsize = parseInt(match[1], 16);
break;
}
});
if (wholesize > 0)
return wholesize;
else if (kernsize > 0 && rootsize > kernsize)
return kernsize + rootsize;
procpart.split(/\n/).forEach(function(ln) {
var match = ln.match(/^\s*\d+\s+\d+\s+(\d+)\s+(\S+)$/);
if (match) {
var size = parseInt(match[1], 10);
if (!match[2].match(/\d/) && size > 2048 && wholesize == 0)
wholesize = size * 1024;
}
});
return wholesize;
}
var mapdata = { actions: {}, config: {} };
return L.view.extend({
load: function() {
var max_mtd = 10, max_ubi = 2, max_ubi_vol = 4;
var tasks = [
callFileStat('/lib/upgrade/platform.sh'),
callFileRead('/proc/sys/kernel/hostname'),
callFileRead('/proc/mtd'),
callFileRead('/proc/partitions')
];
for (var i = 0; i < max_mtd; i++)
tasks.push(callFileRead('/sys/devices/virtual/mtd/mtd%d/name'.format(i)));
for (var i = 0; i < max_ubi; i++)
for (var j = 0; j < max_ubi_vol; j++)
tasks.push(callFileRead('/sys/devices/virtual/ubi/ubi%d/ubi%d_%d/name'.format(i, i, j)));
return Promise.all(tasks);
},
handleBackup: function(ev) {
var form = E('form', {
method: 'post',
action: '/cgi-bin/cgi-backup',
enctype: 'application/x-www-form-urlencoded'
}, E('input', { type: 'hidden', name: 'sessionid', value: rpc.getSessionID() }));
ev.currentTarget.parentNode.appendChild(form);
form.submit();
form.parentNode.removeChild(form);
},
handleReset: function(ev) {
if (!confirm(_('Do you really want to erase all settings?')))
return;
return callFileExec('/sbin/firstboot', [ '-r', '-y' ]).then(function(res) {
if (res.code != 0)
return L.ui.addNotification(null, E('p', _('The firstboot command failed with code %d').format(res.code)));
L.ui.showModal(_('Erasing...'), [
E('p', { 'class': 'spinning' }, _('The system is erasing the configuration partition now and will reboot itself when finished.'))
]);
awaitReconnect('192.168.1.1', 'openwrt.lan');
});
},
handleRestore: function(ev) {
return fileUpload(ev.target, '/tmp/backup.tar.gz')
.then(L.bind(function(btn, res) {
btn.firstChild.data = _('Checking archive…');
return callFileExec('/bin/tar', [ '-tzf', '/tmp/backup.tar.gz' ]);
}, this, ev.target))
.then(L.bind(function(btn, res) {
if (res.code != 0) {
L.ui.addNotification(null, E('p', _('The uploaded backup archive is not readable')));
return callFileRemove('/tmp/backup.tar.gz');
}
L.ui.showModal(_('Apply backup?'), [
E('p', _('The uploaded backup archive appears to be valid and contains the files listed below. Press "Continue" to restore the backup and reboot, or "Cancel" to abort the operation.')),
E('pre', {}, [ res.stdout ]),
E('div', { 'class': 'right' }, [
E('button', {
'class': 'btn',
'click': L.ui.createHandlerFn(this, function(ev) {
return callFileRemove('/tmp/backup.tar.gz').finally(L.ui.hideModal);
})
}, [ _('Cancel') ]), ' ',
E('button', {
'class': 'btn cbi-button-action important',
'click': L.ui.createHandlerFn(this, 'handleRestoreConfirm', btn)
}, [ _('Continue') ])
])
]);
}, this, ev.target))
.finally(L.bind(function(btn, input) {
btn.firstChild.data = _('Upload archive...');
}, this, ev.target));
},
handleRestoreConfirm: function(btn, ev) {
return callFileExec('/sbin/sysupgrade', [ '--restore-backup', '/tmp/backup.tar.gz' ])
.then(L.bind(function(btn, res) {
if (res.code != 0) {
L.ui.addNotification(null, [
E('p', _('The restore command failed with code %d').format(res.code)),
res.stderr ? E('pre', {}, [ res.stderr ]) : ''
]);
L.raise('Error', 'Unpack failed');
}
btn.firstChild.data = _('Rebooting…');
return callFileExec('/sbin/reboot');
}, this, ev.target))
.then(L.bind(function(res) {
if (res.code != 0) {
L.ui.addNotification(null, E('p', _('The reboot command failed with code %d').format(res.code)));
L.raise('Error', 'Reboot failed');
}
L.ui.showModal(_('Rebooting…'), [
E('p', { 'class': 'spinning' }, _('The system is rebooting now. If the restored configuration changed the current LAN IP address, you might need to reconnect manually.'))
]);
awaitReconnect(window.location.host, '192.168.1.1', 'openwrt.lan');
}, this))
.catch(function() { btn.firstChild.data = _('Upload archive...') });
},
handleBlock: function(hostname, ev) {
var mtdblock = L.dom.parent(ev.target, '.cbi-section').querySelector('[data-name="mtdselect"] select').value;
var form = E('form', {
'method': 'post',
'action': '/cgi-bin/cgi-download',
'enctype': 'application/x-www-form-urlencoded'
}, [
E('input', { 'type': 'hidden', 'name': 'sessionid', 'value': rpc.getSessionID() }),
E('input', { 'type': 'hidden', 'name': 'path', 'value': '/dev/mtdblock%d'.format(mtdblock) }),
E('input', { 'type': 'hidden', 'name': 'filename', 'value': '%s.mtd%d.bin'.format(hostname, mtdblock) })
]);
ev.currentTarget.parentNode.appendChild(form);
form.submit();
form.parentNode.removeChild(form);
},
handleSysupgrade: function(storage_size, ev) {
return fileUpload(ev.target.firstChild, '/tmp/firmware.bin')
.then(L.bind(function(btn, reply) {
btn.firstChild.data = _('Checking image…');
L.ui.showModal(_('Checking image…'), [
E('span', { 'class': 'spinning' }, _('Verifying the uploaded image file.'))
]);
return callFileExec('/sbin/sysupgrade', [ '--test', '/tmp/firmware.bin' ])
.then(function(res) { return [ reply, res ] });
}, this, ev.target))
.then(L.bind(function(btn, res) {
var keep = document.querySelector('[data-name="keep"] input[type="checkbox"]'),
force = E('input', { type: 'checkbox' }),
is_invalid = (res[1].code != 0),
is_too_big = (storage_size > 0 && res[0].size > storage_size),
body = [];
body.push(E('p', _('The flash image was uploaded. Below is the checksum and file size listed, compare them with the original file to ensure data integrity. <br /> Click "Proceed" below to start the flash procedure.')));
body.push(E('ul', {}, [
res[0].size ? E('li', {}, '%s: %1024.2mB'.format(_('Size'), res[0].size)) : '',
res[0].checksum ? E('li', {}, '%s: %s'.format(_('MD5'), res[0].checksum)) : '',
res[0].sha256sum ? E('li', {}, '%s: %s'.format(_('SHA256'), res[0].sha256sum)) : '',
E('li', {}, keep.checked ? _('Configuration files will be kept') : _('Caution: Configuration files will be erased'))
]));
if (is_invalid || is_too_big)
body.push(E('hr'));
if (is_too_big)
body.push(E('p', { 'class': 'alert-message' }, [
_('It appears that you are trying to flash an image that does not fit into the flash memory, please verify the image file!')
]));
if (is_invalid)
body.push(E('p', { 'class': 'alert-message' }, [
res[1].stderr ? res[1].stderr : '',
res[1].stderr ? E('br') : '',
res[1].stderr ? E('br') : '',
_('The uploaded image file does not contain a supported format. Make sure that you choose the generic image format for your platform.')
]));
if (is_invalid || is_too_big)
body.push(E('p', {}, E('label', { 'class': 'btn alert-message danger' }, [
force, ' ', _('Force upgrade'),
E('br'), E('br'),
_('Select \'Force upgrade\' to flash the image even if the image format check fails. Use only if you are sure that the firmware is correct and meant for your device!')
])));
var cntbtn = E('button', {
'class': 'btn cbi-button-action important',
'click': L.ui.createHandlerFn(this, 'handleSysupgradeConfirm', btn, keep.checked, force.checked),
'disabled': (is_invalid || is_too_big) ? true : null
}, [ _('Continue') ]);
body.push(E('div', { 'class': 'right' }, [
E('button', {
'class': 'btn',
'click': L.ui.createHandlerFn(this, function(ev) {
return callFileRemove('/tmp/firmware.bin').finally(L.ui.hideModal);
})
}, [ _('Cancel') ]), ' ', cntbtn
]));
force.addEventListener('change', function(ev) {
cntbtn.disabled = !ev.target.checked;
});
L.ui.showModal(_('Flash image?'), body);
}, this, ev.target))
.finally(L.bind(function(btn) {
btn.firstChild.data = _('Flash image...');
}, this, ev.target));
},
handleSysupgradeConfirm: function(btn, keep, force, ev) {
btn.firstChild.data = _('Flashing…');
L.ui.showModal(_('Flashing…'), [
E('p', { 'class': 'spinning' }, _('The system is flashing now.<br /> DO NOT POWER OFF THE DEVICE!<br /> Wait a few minutes before you try to reconnect. It might be necessary to renew the address of your computer to reach the device again, depending on your settings.'))
]);
var opts = [];
if (!keep)
opts.push('-n');
if (force)
opts.push('--force');
opts.push('/tmp/firmware.bin');
/* Currently the sysupgrade rpc call will not return, hence no promise handling */
callFileExec('/sbin/sysupgrade', opts);
awaitReconnect(window.location.host, '192.168.1.1', 'openwrt.lan');
},
handleBackupList: function(ev) {
return callFileExec('/sbin/sysupgrade', [ '--list-backup' ]).then(function(res) {
if (res.code != 0) {
L.ui.addNotification(null, [
E('p', _('The sysupgrade command failed with code %d').format(res.code)),
res.stderr ? E('pre', {}, [ res.stderr ]) : ''
]);
L.raise('Error', 'Sysupgrade failed');
}
L.ui.showModal(_('Backup file list'), [
E('p', _('Below is the determined list of files to backup. It consists of changed configuration files marked by opkg, essential base files and the user defined backup patterns.')),
E('ul', {}, (res.stdout || '').trim().split(/\n/).map(function(ln) { return E('li', {}, ln) })),
E('div', { 'class': 'right' }, [
E('button', {
'class': 'btn',
'click': L.ui.hideModal
}, [ _('Dismiss') ])
])
], 'cbi-modal');
});
},
handleBackupSave: function(m, ev) {
return m.save(function() {
return callFileWrite('/etc/sysupgrade.conf', mapdata.config.editlist.trim().replace(/\r\n/g, '\n') + '\n');
}).then(function() {
L.ui.addNotification(null, E('p', _('Contents have been saved.')), 'info');
}).catch(function(e) {
L.ui.addNotification(null, E('p', _('Unable to save contents: %s').format(e)));
});
},
render: function(rpc_replies) {
var has_sysupgrade = (rpc_replies[0].type == 'file'),
hostname = rpc_replies[1],
procmtd = rpc_replies[2],
procpart = rpc_replies[3],
has_rootfs_data = rpc_replies.slice(4).filter(function(n) { return n == 'rootfs_data' })[0],
storage_size = findStorageSize(procmtd, procpart),
m, s, o, ss;
m = new form.JSONMap(mapdata, _('Flash operations'));
m.tabbed = true;
s = m.section(form.NamedSection, 'actions', _('Actions'));
o = s.option(form.SectionValue, 'actions', form.NamedSection, 'actions', 'actions', _('Backup'), _('Click "Generate archive" to download a tar archive of the current configuration files.'));
ss = o.subsection;
o = ss.option(form.Button, 'dl_backup', _('Download backup'));
o.inputstyle = 'action important';
o.inputtitle = _('Generate archive');
o.onclick = this.handleBackup;
o = s.option(form.SectionValue, 'actions', form.NamedSection, 'actions', 'actions', _('Restore'), _('To restore configuration files, you can upload a previously generated backup archive here. To reset the firmware to its initial state, click "Perform reset" (only possible with squashfs images).'));
ss = o.subsection;
if (has_rootfs_data) {
o = ss.option(form.Button, 'reset', _('Reset to defaults'));
o.inputstyle = 'negative important';
o.inputtitle = _('Perform reset');
o.onclick = this.handleReset;
}
o = ss.option(form.Button, 'restore', _('Restore backup'), _('Custom files (certificates, scripts) may remain on the system. To prevent this, perform a factory-reset first.'));
o.inputstyle = 'action important';
o.inputtitle = _('Upload archive...');
o.onclick = L.bind(this.handleRestore, this);
o = s.option(form.SectionValue, 'actions', form.NamedSection, 'actions', 'actions', _('Save mtdblock contents'), _('Click "Save mtdblock" to download specified mtdblock file. (NOTE: THIS FEATURE IS FOR PROFESSIONALS! )'));
ss = o.subsection;
o = ss.option(form.ListValue, 'mtdselect', _('Choose mtdblock'));
procmtd.split(/\n/).forEach(function(ln) {
var match = ln.match(/^mtd(\d+): .+ "(.+?)"$/);
if (match)
o.value(match[1], match[2]);
});
o = ss.option(form.Button, 'mtddownload', _('Download mtdblock'));
o.inputstyle = 'action important';
o.inputtitle = _('Save mtdblock');
o.onclick = L.bind(this.handleBlock, this, hostname);
o = s.option(form.SectionValue, 'actions', form.NamedSection, 'actions', 'actions', _('Flash new firmware image'),
has_sysupgrade
? _('Upload a sysupgrade-compatible image here to replace the running firmware. Check "Keep settings" to retain the current configuration (requires a compatible firmware image).')
: _('Sorry, there is no sysupgrade support present; a new firmware image must be flashed manually. Please refer to the wiki for device specific install instructions.'));
ss = o.subsection;
if (has_sysupgrade) {
o = ss.option(form.Flag, 'keep', _('Keep settings'));
o.default = o.enabled;
o = ss.option(form.Button, 'sysupgrade', _('Image'));
o.inputstyle = 'action important';
o.inputtitle = _('Flash image...');
o.onclick = L.bind(this.handleSysupgrade, this, storage_size);
}
s = m.section(form.NamedSection, 'config', 'config', _('Configuration'), _('This is a list of shell glob patterns for matching files and directories to include during sysupgrade. Modified files in /etc/config/ and certain other configurations are automatically preserved.'));
s.render = L.bind(function(view /*, ... */) {
return form.NamedSection.prototype.render.apply(this, this.varargs(arguments, 1))
.then(L.bind(function(node) {
node.appendChild(E('div', { 'class': 'cbi-page-actions' }, [
E('button', {
'class': 'cbi-button cbi-button-save',
'click': L.ui.createHandlerFn(view, 'handleBackupSave', this.map)
}, [ _('Save') ])
]));
return node;
}, this));
}, s, this);
o = s.option(form.Button, 'showlist', _('Show current backup file list'));
o.inputstyle = 'action';
o.inputtitle = _('Open list...');
o.onclick = L.bind(this.handleBackupList, this);
o = s.option(form.TextValue, 'editlist');
o.forcewrite = true;
o.rows = 30;
o.load = function(section_id) {
return callFileRead('/etc/sysupgrade.conf');
};
return m.render();
},
handleSaveApply: null,
handleSave: null,
handleReset: null
});

219
modules/luci-mod-system/luasrc/controller/admin/system.lua
View File

@ -29,229 +29,12 @@ function index()
entry({"admin", "system", "leds"}, view("system/leds"), _("<abbr title=\"Light Emitting Diode\">LED</abbr> Configuration"), 60)
end
entry({"admin", "system", "flashops"}, call("action_flashops"), _("Backup / Flash Firmware"), 70)
entry({"admin", "system", "flashops", "reset"}, post("action_reset"))
entry({"admin", "system", "flashops", "backup"}, post("action_backup"))
entry({"admin", "system", "flashops", "backupmtdblock"}, post("action_backupmtdblock"))
entry({"admin", "system", "flashops", "backupfiles"}, form("admin_system/backupfiles"))
-- call() instead of post() due to upload handling!
entry({"admin", "system", "flashops", "restore"}, call("action_restore"))
entry({"admin", "system", "flashops", "sysupgrade"}, call("action_sysupgrade"))
entry({"admin", "system", "flash"}, view("system/flash"), _("Backup / Flash Firmware"), 70)
entry({"admin", "system", "reboot"}, template("admin_system/reboot"), _("Reboot"), 90)
entry({"admin", "system", "reboot", "call"}, post("action_reboot"))
end
local function image_supported(image)
return (os.execute("sysupgrade -T %q >/dev/null" % image) == 0)
end
local function image_checksum(image)
return (luci.sys.exec("md5sum %q" % image):match("^([^%s]+)"))
end
local function image_sha256_checksum(image)
return (luci.sys.exec("sha256sum %q" % image):match("^([^%s]+)"))
end
local function supports_sysupgrade()
return nixio.fs.access("/lib/upgrade/platform.sh")
end
local function supports_reset()
return (os.execute([[grep -sq "^overlayfs:/overlay / overlay " /proc/mounts]]) == 0)
end
local function storage_size()
local size = 0
if nixio.fs.access("/proc/mtd") then
for l in io.lines("/proc/mtd") do
local d, s, e, n = l:match('^([^%s]+)%s+([^%s]+)%s+([^%s]+)%s+"([^%s]+)"')
if n == "linux" or n == "firmware" then
size = tonumber(s, 16)
break
end
end
elseif nixio.fs.access("/proc/partitions") then
for l in io.lines("/proc/partitions") do
local x, y, b, n = l:match('^%s*(%d+)%s+(%d+)%s+([^%s]+)%s+([^%s]+)')
if b and n and not n:match('[0-9]') then
size = tonumber(b) * 1024
break
end
end
end
return size
end
function action_flashops()
--
-- Overview
--
luci.template.render("admin_system/flashops", {
reset_avail = supports_reset(),
upgrade_avail = supports_sysupgrade()
})
end
function action_sysupgrade()
local fs = require "nixio.fs"
local http = require "luci.http"
local image_tmp = "/tmp/firmware.img"
local fp
http.setfilehandler(
function(meta, chunk, eof)
if not fp and meta and meta.name == "image" then
fp = io.open(image_tmp, "w")
end
if fp and chunk then
fp:write(chunk)
end
if fp and eof then
fp:close()
end
end
)
if not luci.dispatcher.test_post_security() then
fs.unlink(image_tmp)
return
end
--
-- Cancel firmware flash
--
if http.formvalue("cancel") then
fs.unlink(image_tmp)
http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
return
end
--
-- Initiate firmware flash
--
local step = tonumber(http.formvalue("step")) or 1
if step == 1 then
local force = http.formvalue("force")
if image_supported(image_tmp) or force then
luci.template.render("admin_system/upgrade", {
checksum = image_checksum(image_tmp),
sha256ch = image_sha256_checksum(image_tmp),
storage = storage_size(),
size = (fs.stat(image_tmp, "size") or 0),
keep = (not not http.formvalue("keep")),
force = (not not http.formvalue("force"))
})
else
fs.unlink(image_tmp)
luci.template.render("admin_system/flashops", {
reset_avail = supports_reset(),
upgrade_avail = supports_sysupgrade(),
image_invalid = true
})
end
--
-- Start sysupgrade flash
--
elseif step == 2 then
local keep = (http.formvalue("keep") == "1") and "" or "-n"
local force = (http.formvalue("force") == "1") and "-F" or ""
luci.template.render("admin_system/applyreboot", {
title = luci.i18n.translate("Flashing..."),
msg = luci.i18n.translate("The system is flashing now.<br /> DO NOT POWER OFF THE DEVICE!<br /> Wait a few minutes before you try to reconnect. It might be necessary to renew the address of your computer to reach the device again, depending on your settings."),
addr = (#keep > 0) and (#force > 0) and "192.168.1.1" or nil
})
luci.sys.process.exec({ "/bin/sh", "-c","sleep 1; killall dropbear uhttpd; sleep 1; /sbin/sysupgrade %s %s %q" %{ keep, force, image_tmp } }, nil, nil, true)
end
end
function action_backup()
luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s.tar.gz"'
%{ luci.sys.hostname(), os.date("%Y-%m-%d") })
luci.http.prepare_content("application/x-targz")
luci.sys.process.exec({ "/sbin/sysupgrade", "--create-backup", "-" }, luci.http.write)
end
function action_backupmtdblock()
local mv = luci.http.formvalue("mtdblockname") or ""
local m, n = mv:match('^([^%s%./"]+)/%d+/(%d+)$')
if not m and n then
luci.http.status(400, "Bad Request")
return
end
luci.http.header('Content-Disposition', 'attachment; filename="backup-%s-%s-%s.bin"'
%{ luci.sys.hostname(), m, os.date("%Y-%m-%d") })
luci.http.prepare_content("application/octet-stream")
luci.sys.process.exec({ "/bin/dd", "if=/dev/mtd%s" % n, "conv=fsync,notrunc" }, luci.http.write)
end
function action_restore()
local fs = require "nixio.fs"
local http = require "luci.http"
local archive_tmp = "/tmp/restore.tar.gz"
local fp
http.setfilehandler(
function(meta, chunk, eof)
if not fp and meta and meta.name == "archive" then
fp = io.open(archive_tmp, "w")
end
if fp and chunk then
fp:write(chunk)
end
if fp and eof then
fp:close()
end
end
)
if not luci.dispatcher.test_post_security() then
fs.unlink(archive_tmp)
return
end
local upload = http.formvalue("archive")
if upload and #upload > 0 then
if os.execute("gunzip -t %q >/dev/null 2>&1" % archive_tmp) == 0 then
luci.template.render("admin_system/applyreboot")
os.execute("tar -C / -xzf %q >/dev/null 2>&1" % archive_tmp)
luci.sys.reboot()
else
luci.template.render("admin_system/flashops", {
reset_avail = supports_reset(),
upgrade_avail = supports_sysupgrade(),
backup_invalid = true
})
end
return
end
http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
end
function action_reset()
if supports_reset() then
luci.template.render("admin_system/applyreboot", {
title = luci.i18n.translate("Erasing..."),
msg = luci.i18n.translate("The system is erasing the configuration partition now and will reboot itself when finished."),
addr = "192.168.1.1"
})
luci.sys.process.exec({ "/bin/sh", "-c", "sleep 1; killall dropbear uhttpd; sleep 1; jffs2reset -y && reboot" }, nil, nil, true)
return
end
http.redirect(luci.dispatcher.build_url('admin/system/flashops'))
end
function action_reboot()
luci.sys.reboot()
end

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modules/luci-mod-system/luasrc/view/admin_system/backupfiles.htm
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@ -1,10 +0,0 @@
<%#
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2008 Jo-Philipp Wich <jow@openwrt.org>
Licensed to the public under the Apache License 2.0.
-%>
<ul class="cbi-tabmenu">
<li class="cbi-tab-disabled"><a href="<%=url("admin/system/flashops")%>"><%:Actions%></a></li>
<li class="cbi-tab"><a href="#"><%:Configuration%></a></li>
</ul>

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<%#
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2008-2015 Jo-Philipp Wich <jow@openwrt.org>
Licensed to the public under the Apache License 2.0.
-%>
<%+header%>
<h2 name="content"><%:Flash operations%></h2>
<ul class="cbi-tabmenu">
<li class="cbi-tab"><a href="#"><%:Actions%></a></li>
<li class="cbi-tab-disabled"><a href="<%=url('admin/system/flashops/backupfiles')%>"><%:Configuration%></a></li>
</ul>
<div class="cbi-section">
<h3><%:Backup%></h3>
<div class="cbi-section-descr"><%:Click "Generate archive" to download a tar archive of the current configuration files.%></div>
<div class="cbi-section-node">
<form class="inline" method="post" action="<%=url('admin/system/flashops/backup')%>">
<input type="hidden" name="token" value="<%=token%>" />
<div class="cbi-value<% if not reset_avail then %> cbi-value-last<% end %>">
<label class="cbi-value-title" for="image"><%:Download backup%></label>
<div class="cbi-value-field">
<input class="cbi-button cbi-button-action important" type="submit" name="backup" value="<%:Generate archive%>" />
</div>
</div>
</form>
</div>
<h3><%:Restore%></h3>
<div class="cbi-section-descr"><%:To restore configuration files, you can upload a previously generated backup archive here. To reset the firmware to its initial state, click "Perform reset" (only possible with squashfs images).%></div>
<div class="cbi-section-node">
<% if reset_avail then %>
<form class="inline" method="post" action="<%=url('admin/system/flashops/reset')%>">
<input type="hidden" name="token" value="<%=token%>" />
<div class="cbi-value cbi-value-last">
<label class="cbi-value-title"><%:Reset to defaults%></label>
<div class="cbi-value-field">
<input onclick="return confirm('<%:Really reset all changes?%>')" class="cbi-button cbi-button-reset" type="submit" name="reset" value="<%:Perform reset%>" />
</div>
</div>
</form>
<% end %>
<form class="inline" method="post" action="<%=url('admin/system/flashops/restore')%>" enctype="multipart/form-data">
<div class="cbi-value cbi-value-last">
<label class="cbi-value-title" for="archive"><%:Restore backup%></label>
<div class="cbi-value-field">
<input type="hidden" name="token" value="<%=token%>" />
<input type="file" name="archive" id="archive" />
<input type="submit" class="cbi-button cbi-button-action important" name="restore" value="<%:Upload archive...%>" />
<% if reset_avail then %>
<div class="cbi-value-description"><%:Custom files (certificates, scripts) may remain on the system. To prevent this, perform a factory-reset first.%></div>
<% end %>
</div>
</div>
</form>
<% if backup_invalid then %>
<div class="cbi-section-error"><%:The backup archive does not appear to be a valid gzip file.%></div>
<% end %>
</div>
<% local mtds = require("luci.sys").mtds(); if #mtds > 0 then -%>
<h3><%:Save mtdblock contents%></h3>
<div class="cbi-section-descr"><%:Click "Save mtdblock" to download specified mtdblock file. (NOTE: THIS FEATURE IS FOR PROFESSIONALS! )%></div>
<div class="cbi-section-node">
<form class="inline" method="post" action="<%=url('admin/system/flashops/backupmtdblock')%>">
<input type="hidden" name="token" value="<%=token%>" />
<div class="cbi-value">
<label class="cbi-value-title" for="mtdblockname"><%:Choose mtdblock%></label>
<div class="cbi-value-field">
<select class="cbi-input-select" data-update="change" name="mtdblockname" id="mtdblockname">
<% for i, key in ipairs(mtds) do
if key and key.name ~= "rootfs_data" then -%>
<option<%=
attr("id", "mtdblockname-" .. key.name) ..
attr("value", key.name .. '/'.. key.size .. '/' .. i - 1) ..
attr("data-index", i) ..
ifattr(key.name == "linux" or key.name == "firmware", "selected", "selected")
%>><%=pcdata(key.name)%></option>
<% end
end -%>
</select>
</div>
</div>
<div class="cbi-value cbi-value-last<% if reset_avail then %> cbi-value-error<% end %>">
<label class="cbi-value-title" for="image"><%:Download mtdblock%></label>
<div class="cbi-value-field">
<input type="submit" class="cbi-button cbi-button-action important" value="<%:Save mtdblock%>" />
</div>
</div>
</form>
</div>
<% end %>
</div>
<div class="cbi-section">
<h3><%:Flash new firmware image%></h3>
<% if upgrade_avail then %>
<form method="post" action="<%=url('admin/system/flashops/sysupgrade')%>" enctype="multipart/form-data">
<input type="hidden" name="token" value="<%=token%>" />
<div class="cbi-section-descr"><%:Upload a sysupgrade-compatible image here to replace the running firmware. Check "Keep settings" to retain the current configuration (requires a compatible firmware image).%></div>
<div class="cbi-section-node">
<div class="cbi-value">
<label class="cbi-value-title" for="keep"><%:Keep settings%></label>
<div class="cbi-value-field">
<input type="checkbox" name="keep" id="keep" checked="checked" />
</div>
</div>
<% if image_invalid then %>
<div class="cbi-value">
<label class="cbi-value-title" for="force"><%:Force upgrade%></label>
<div class="cbi-value-field">
<input type="checkbox" name="force" id="force" />
</div>
<div class="cbi-section-error">
<%:The uploaded image file does not contain a supported format. Make sure that you choose the generic image format for your platform. %>
<%:Select 'Force upgrade' to flash the image even if the image format check fails. Use only if you are sure that the firmware is correct and meant for your device! %>
</div>
</div>
<% end %>
<div class="cbi-value cbi-value-last<% if image_invalid then %> cbi-value-error<% end %>">
<label class="cbi-value-title" for="image"><%:Image%></label>
<div class="cbi-value-field">
<input type="file" name="image" id="image" />
<input type="submit" class="cbi-button cbi-button-action important" value="<%:Flash image...%>" />
</div>
</div>
</div>
</form>
<% else %>
<div class="cbi-section-descr"><%:Sorry, there is no sysupgrade support present; a new firmware image must be flashed manually. Please refer to the wiki for device specific install instructions.%></div>
<% end %>
</div>
<%+footer%>

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@ -1,65 +0,0 @@
<%#
Copyright 2008 Steven Barth <steven@midlink.org>
Copyright 2008-2009 Jo-Philipp Wich <jow@openwrt.org>
Licensed to the public under the Apache License 2.0.
-%>
<%+header%>
<h2 name="content"><%:Flash Firmware%> - <%:Verify%></h2>
<p>
<%_ The flash image was uploaded.
Below is the checksum and file size listed,
compare them with the original file to ensure data integrity.<br />
Click "Proceed" below to start the flash procedure. %>
<% if storage > 0 and size > storage then %>
<br /><br />
<div class="error"><%:It appears that you are trying to
flash an image that does not fit into the flash memory, please verify
the image file! %></div>
<% end %>
</p>
<div class="cbi-section">
<ul>
<li><%:Checksum%><br />
<%:MD5%>: <code><%=checksum%></code><br />
<%:SHA256%>: <code><%=sha256ch%></code></li>
<li><%:Size%>: <%
local w = require "luci.tools.webadmin"
write(w.byte_format(size))
if storage > 0 then
write(luci.i18n.translatef(
" (%s available)",
w.byte_format(storage)
))
end
%></li>
<li><% if keep then %>
<%:Configuration files will be kept%>
<% else %>
<%:Caution: Configuration files will be erased%>
<% end %></li>
<% if force then %>
<li>
<%:Caution: System upgrade will be forced%>
</li>
<% end %>
</ul>
</div>
<div class="cbi-page-actions right">
<form class="inline" action="<%=REQUEST_URI%>" method="post">
<input type="hidden" name="token" value="<%=token%>" />
<input type="hidden" name="step" value="2" />
<input type="hidden" name="keep" value="<%=keep and "1" or ""%>" />
<input type="hidden" name="force" value="<%=force and "1" or ""%>" />
<input class="cbi-button cbi-button-reset" name="cancel" type="submit" value="<%:Cancel%>" />
<input class="cbi-button cbi-button-apply" type="submit" value="<%:Proceed%>" />
</form>
</div>
<%+footer%>