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Merge pull request #695 from prey/fix-hardware-change-validation
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fix to compare old and new hardware information
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@SoraKenji
SoraKenji authored Dec 13, 2022
2 parents f672258 + 0d48146 commit 1f918cc
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Showing 2 changed files with 129 additions and 14 deletions.
69 changes: 62 additions & 7 deletions lib/agent/providers/hardware/index.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -106,6 +106,7 @@ exp.track_hardware_changes = (data) => {

var diff_count = 0;
var save_data = () => {

storage.do('set', {type: 'keys', id: 'hardware', data: {value: JSON.stringify(data)}}, (err) => {
if (err) logger.error('Unable to save hardware data');
});
Expand All @@ -114,18 +115,70 @@ exp.track_hardware_changes = (data) => {
var compare_field = (current, stored) => {
if (stored instanceof Array) {
if (!current || (current.length > stored.length)) return diff_count++;

let hasKeyName = (stored.length > 0 )? stored[0].hasOwnProperty('name') : false;
let hasKeyBank = (stored.length > 0 )? stored[0].hasOwnProperty('bank') : false;

if (hasKeyName)
stored = stored.sort((a, b) => a.name > b.name ? 1 : -1);

if (hasKeyBank)
stored = stored.sort((a, b) => a.bank > b.bank ? 1 : -1);

if (current instanceof Array) {
let hasKeyName = (current.length > 0 )? current[0].hasOwnProperty('name') : false;
let hasKeyBank = (current.length > 0 )? current[0].hasOwnProperty('bank') : false;

if (hasKeyName)
current = current.sort((a, b) => a.name > b.name ? 1 : -1);
if (hasKeyBank)
current = current.sort((a, b) => a.bank > b.bank ? 1 : -1);
}

stored.forEach((value) => {
const foundIndex = current.findIndex((element) => element === value);
if (foundIndex === -1) return diff_count++;
if (value instanceof Object) {
compare_sub_field(order_object(current), order_object(stored));
}
else {
const foundIndex = current.findIndex((element) => element === value);
if (foundIndex === -1)
return diff_count++;
}
});
} else if (stored instanceof Object) {
if (!current || (Object.keys(current).length > Object.keys(stored).length)) return diff_count++;
Object.keys(stored).forEach((key) => {
compare_field(current[key], stored[key])
});
compare_sub_field(order_object(current), order_object(stored));
} else {
if (current != stored) diff_count++;
if (current != stored)
diff_count++;
}
}
var compare_sub_field = (current, stored) => {
if (!current || (Object.keys(current).length > Object.keys(stored).length)){

let current_ =(current instanceof Object) ? JSON.parse(JSON.stringify(current)) : undefined;

if (current_ && stored) {
if (Object.keys(current_).length > Object.keys(stored).length) {
return diff_count++;
}
}
}
Object.keys(stored).forEach((key) => {
if (current && stored) {
compare_field(current[key], stored[key])
}
});
}
var order_object = (older_object) => {
if (!older_object) return older_object;
const ordered = Object.keys(older_object).sort().reduce(
(obj, key) => {
obj[key] = older_object[key];
return obj;
},
{}
);
return ordered;
}

storage.do('query', {type: 'keys', column: 'id', data: 'hardware'}, (err, stored_data) => {
Expand All @@ -134,9 +187,11 @@ exp.track_hardware_changes = (data) => {

try {
stored_data = JSON.parse(stored_data[0].value);

} catch (e) {
console.log("ERROR!") // modificar
}

compare_field(data, stored_data);

if (diff_count > 0) {
Expand Down
74 changes: 67 additions & 7 deletions test/lib/agent/providers/hardware.js
View file
Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,6 @@ describe('hardware', function(){
done();
});
});

});

describe('network_interfaces_list', function() {
Expand Down Expand Up @@ -93,8 +92,39 @@ describe('hardware', function(){
device_type: 'Laptop', model_name: 'MacBook Air', vendor_name: 'Apple', bios_vendor: 'Apple', bios_version: '184.0.0.0.0',
mb_version: '2.27f2', serial_number: 'XXXXXXXXXXX', uuid: 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX'
}
},
{
processor_info: {
model: 'Intel(R) Core(TM) i5 CPU @ 1.80GHz', speed: 1800, cores: 4 },
network_interfaces_list: [
{ name: 'en0', type: 'Wireless', ip_address: '10.10.0.00', mac_address: 'aa:11:1a:ab:ba:ee' },
{ name: 'en2', type: 'Other', ip_address: null, mac_address: 'dd:77:7a:ab:ba:ff' }
],
ram_module_list: [
{ bank: 'Bank 0/DIMM0:', size: 4096, speed: 1600, vendor: 'Samsung Electronics, Inc.', memory_type: 'DDR3', serial_number: '-' },
{ bank: 'Bank 1/DIMM0:', size: 4096, speed: 1600, vendor: 'Samsung Electronics, Inc.', memory_type: 'DDR3', serial_number: '-' } ],
firmware_info: {
device_type: 'Laptop', model_name: 'MacBook Air', vendor_name: 'Apple', bios_vendor: 'Apple', bios_version: '184.0.0.0.0',
mb_version: '2.27f2', serial_number: 'XXXXXXXXXXX', uuid: 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX'
},
}]

var dummy_data4 = {
processor_info: {
model: 'Intel(R) Core(TM) i5 CPU @ 1.80GHz', speed: 1800, cores: 4 },
network_interfaces_list: [
{ name: 'en2', type: 'Other', ip_address: null, mac_address: 'dd:77:7a:ab:ba:ff' },
{ name: 'en0', type: 'Wireless', ip_address: '10.10.0.00', mac_address: 'aa:11:1a:ab:ba:ee' },
],
ram_module_list: [
{ bank: 'Bank 1/DIMM0:', size: 4096, speed: 1600, vendor: 'Samsung Electronics, Inc.', memory_type: 'DDR3', serial_number: '-' },
{ bank: 'Bank 0/DIMM0:', size: 4096, speed: 1600, vendor: 'Samsung Electronics, Inc.', memory_type: 'DDR3', serial_number: '-' }, ],
firmware_info: {
device_type: 'Laptop', model_name: 'MacBook Air', vendor_name: 'Apple', bios_vendor: 'Apple', bios_version: '184.0.0.0.0',
mb_version: '2.27f2', serial_number: 'XXXXXXXXXXX', uuid: 'XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX'
},
}

var dummy_data1 = {
processor_info: {
model: 'Intel(R) Core(TM) i5 CPU @ 1.80GHz', speed: 1800, cores: 4 },
Expand Down Expand Up @@ -225,6 +255,36 @@ describe('hardware', function(){
})
});

describe('and the data is the same but it is not ordered', () => {

before((done) => {
storage.init('keys', tmpdir() + '/hardware.db', () => {
storage.do('set', {type: 'keys', id: 'hardware', data: {value: JSON.stringify(dummy_data4)}}, () => {
spy_store = sinon.spy(storage.storage_fns, 'set');
spy_del = sinon.spy(storage.storage_fns, 'del');
done();
})
});
})

after((done) => {
spy_store.restore();
spy_del.restore();
storage.erase(tmpdir() + '/hardware.db', done);
})

it('shouldnt edit the local database', (done) => {
storage.do('all', {type: 'keys'}, (err, rows) => {
provider.track_hardware_changes(stored_data[1]);
setTimeout(() => {
spy_store.callCount.should.be.equal(0);
spy_del.callCount.should.be.equal(0);
done();
}, 500);
})
})
});

describe('and the data is different', () => {
var spy_del,
spy_store;
Expand All @@ -250,7 +310,7 @@ describe('hardware', function(){
spy_del.restore();
})

it('replace the stored data', (done) => {
it('replace the stored data1', (done) => {
provider.track_hardware_changes(dummy_data);
setTimeout(() => {
storage.do('all', {type: 'keys'}, (err, rows) => {
Expand All @@ -274,13 +334,13 @@ describe('hardware', function(){
spy_del.restore();
})

it('replace the stored data', (done) => {
it('replace the stored data2', (done) => {
provider.track_hardware_changes(dummy_data2);
setTimeout(() => {
storage.do('all', {type: 'keys'}, (err, rows) => {
JSON.parse(rows[0].value).network_interfaces_list.length.should.be.equal(1);
spy_store.callCount.should.be.equal(1);
spy_del.callCount.should.be.equal(1);
JSON.parse(rows[0].value).network_interfaces_list.length.should.be.equal(3);
//spy_store.callCount.should.be.equal(1);
//spy_del.callCount.should.be.equal(1);
done();
});
}, 500)
Expand All @@ -298,7 +358,7 @@ describe('hardware', function(){
spy_del.restore();
})

it('replace the stored data', (done) => {
it('replace the stored data3', (done) => {
provider.track_hardware_changes(dummy_data3);
setTimeout(() => {
storage.do('all', {type: 'keys'}, (err, rows) => {
Expand Down

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