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wifictld-analyzer
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database

This commit is contained in:
Martin/Geno 2019-03-08 15:53:45 +01:00
parent 39ff9a43b0
commit 3b98fb36cb
No known key found for this signature in database
GPG Key ID: 9D7D3C6BFF600C6A
14 changed files with 185 additions and 178 deletions
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14
capture/socket_msg.go
View File

@ -51,17 +51,17 @@ func (msg *SocketMSG) Marshal() ([]byte, error) {
pos += 4
if msg.Types.Is(SocketMSGTypeClient) {
obj[pos] = msg.Client.Addr.HardwareAddr[0]
obj[pos] = msg.Client.Addr[0]
pos++
obj[pos] = msg.Client.Addr.HardwareAddr[1]
obj[pos] = msg.Client.Addr[1]
pos++
obj[pos] = msg.Client.Addr.HardwareAddr[2]
obj[pos] = msg.Client.Addr[2]
pos++
obj[pos] = msg.Client.Addr.HardwareAddr[3]
obj[pos] = msg.Client.Addr[3]
pos++
obj[pos] = msg.Client.Addr.HardwareAddr[4]
obj[pos] = msg.Client.Addr[4]
pos++
obj[pos] = msg.Client.Addr.HardwareAddr[5]
obj[pos] = msg.Client.Addr[5]
pos++
binary.BigEndian.PutUint32(obj[pos:(pos+4)], uint32(msg.Client.Time.Unix()))
pos += 4
@ -100,7 +100,7 @@ func (msg *SocketMSG) Unmarshal(obj []byte) error {
if msg.Types.Is(SocketMSGTypeClient) {
msg.Client = &WifiClient{
Addr: data.HardwareAddr{HardwareAddr: obj[pos:(pos + 6)]},
Addr: data.HardwareAddr(obj[pos:(pos + 6)]),
Time: time.Unix(int64(binary.BigEndian.Uint32(obj[(pos+6):(pos+10)])), 0),
TryProbe: binary.BigEndian.Uint16(obj[(pos + 10):(pos + 12)]),
TryAuth: binary.BigEndian.Uint16(obj[(pos + 12):(pos + 14)]),

11
cmd/controller.go
View File

@ -6,18 +6,18 @@ import (
"os/signal"
"syscall"
"dev.sum7.eu/genofire/golang-lib/database"
"dev.sum7.eu/genofire/golang-lib/file"
"github.com/bdlm/log"
"github.com/spf13/cobra"
"dev.sum7.eu/genofire/wifictld-analyzer/capture"
"dev.sum7.eu/genofire/wifictld-analyzer/controller"
"dev.sum7.eu/genofire/wifictld-analyzer/database"
"dev.sum7.eu/genofire/wifictld-analyzer/web"
)
type ControllerConfig struct {
Database string `toml:"database"`
Database database.Config `toml:"database"`
Answer bool `toml:"answer"`
Webserver *web.Config `toml:"webserver"`
Interfaces []*capture.IFaceConfig `toml:"interfaces"`
@ -34,9 +34,12 @@ var controllerCmd = &cobra.Command{
file.ReadTOML(args[0], config)
db := database.NewDB(config.Database)
if err := database.Open(config.Database); err != nil {
log.Panicf("no database connection: %s", err)
}
defer database.Close()
ctr := controller.NewController(db)
ctr := controller.NewController()
defer ctr.Close()
var handlers []capture.Handler

7
config_example.conf
View File

@ -1,6 +1,11 @@
database = "/tmp/wifictld.json"
answer = false
[database]
type = "sqlite3"
logging = true
connection = "file:/tmp/wifictld.db"
# For Master-Slave cluster
# read_connection = ""
[webserver]
enable = true

20
controller/handler.go
View File

@ -2,24 +2,38 @@ package controller
import (
"net"
"time"
// "github.com/bdlm/log"
"dev.sum7.eu/genofire/golang-lib/database"
"dev.sum7.eu/genofire/wifictld-analyzer/capture"
"dev.sum7.eu/genofire/wifictld-analyzer/data"
)
func (c *Controller) Handler(addr *net.UDPAddr, msg *capture.SocketMSG) (*capture.SocketMSG, error) {
ignore := false
if msg.Types.Is(capture.SocketMSGTypeClient) && msg.Client != nil {
ignore = c.db.LearnClient(addr.IP, msg.Client)
ignore = c.LearnClient(addr.IP, msg.Client)
}
if !msg.Types.Is(capture.SocketMSGTypeRequest) {
return nil, nil
}
client := &data.Client{Addr: msg.Client.Addr}
if result := database.Read.Select([]string{"try_probe", "try_auth"}).First(client); result.Error != nil {
return nil, result.Error
}
msg = &capture.SocketMSG{
Types: (capture.SocketMSGTypeResponse | capture.SocketMSGTypeClient),
Client: c.db.GetClient(msg.Client.Addr),
Types: (capture.SocketMSGTypeResponse | capture.SocketMSGTypeClient),
Client: &capture.WifiClient{
Addr: msg.Client.Addr,
Time: time.Now(),
TryProbe: client.TryProbe,
TryAuth: client.TryAuth,
},
}
if !ignore {

57
controller/learn.go Normal file
View File

@ -0,0 +1,57 @@
package controller
import (
"net"
"time"
// "github.com/bdlm/log"
"dev.sum7.eu/genofire/golang-lib/database"
"dev.sum7.eu/genofire/wifictld-analyzer/capture"
"dev.sum7.eu/genofire/wifictld-analyzer/data"
)
func (c *Controller) LearnClient(apIP net.IP, clientWifictl *capture.WifiClient) bool {
ret := false
// learn ap
ap := &data.AP{
IP: apIP,
Lastseen: time.Now(),
}
result := database.Read.First(ap)
if result.RowsAffected > 0 {
database.Write.Save(ap)
} else {
database.Write.Create(ap)
}
// learn client
client := &data.Client{
Addr: clientWifictl.Addr,
Lastseen: time.Now(),
APAddr: apIP,
Connected: clientWifictl.Connected,
SignalLowFreq: clientWifictl.SignalLowFreq,
SignalHighFreq: clientWifictl.SignalHighFreq,
}
database.Write.FirstOrCreate(client)
if clientWifictl.TryAuth > client.TryAuth {
client.TryAuth = clientWifictl.TryAuth
}
if clientWifictl.TryProbe > client.TryProbe {
client.TryProbe = clientWifictl.TryProbe
}
if client.FreqHighest < clientWifictl.FreqHighest {
ret = (client.FreqHighest != 0)
client.FreqHighest = clientWifictl.FreqHighest
}
if clientWifictl.Authed {
client.Authed = clientWifictl.Authed
}
database.Write.Save(client)
return ret
}

14
controller/main.go
View File

@ -4,23 +4,22 @@ import (
"net"
"time"
"dev.sum7.eu/genofire/golang-lib/database"
"github.com/bdlm/log"
"dev.sum7.eu/genofire/wifictld-analyzer/capture"
"dev.sum7.eu/genofire/wifictld-analyzer/database"
"dev.sum7.eu/genofire/wifictld-analyzer/data"
)
type Controller struct {
SendTo func(addr *net.UDPAddr, msg *capture.SocketMSG)
Send func(msg *capture.SocketMSG)
db *database.DB
ticker *time.Ticker
}
func NewController(db *database.DB) *Controller {
func NewController() *Controller {
ctl := &Controller{
ticker: time.NewTicker(time.Minute),
db: db,
}
go ctl.Repeated()
return ctl
@ -31,7 +30,12 @@ func (c *Controller) Close() {
}
func (c *Controller) Repeated() {
aps := 0
clients := 0
for range c.ticker.C {
log.Debugf("lerned: %d APs, %d Clients", len(c.db.APs), len(c.db.Clients))
database.Read.Model(&data.AP{}).Count(&aps)
database.Read.Model(&data.Client{}).Count(&clients)
log.Debugf("learned: %d APs, %d Clients", aps, clients)
}
}

20
data/ap.go Normal file
View File

@ -0,0 +1,20 @@
package data
import (
"net"
"time"
"dev.sum7.eu/genofire/golang-lib/database"
)
type AP struct {
IP net.IP `json:"ip" gorm:"PRIMARY_KEY"`
Lastseen time.Time `json:"lastseen"`
Clients []Client `gorm:"foreignkey:APAddr" json:"-"`
}
// Function to initialize the database
func init() {
database.AddModel(&AP{})
}

26
data/client.go Normal file
View File

@ -0,0 +1,26 @@
package data
import (
"net"
"time"
"dev.sum7.eu/genofire/golang-lib/database"
)
type Client struct {
Addr HardwareAddr `gorm:"PRIMARY_KEY" json:"addr"`
APAddr net.IP `gorm:"column:ap" json:"ap"`
TryProbe uint16 `json:"try_probe"`
TryAuth uint16 `json:"try_auth"`
Connected bool `json:"connected"`
Authed bool `json:"authed"`
FreqHighest uint16 `json:"freq_highest"`
SignalLowFreq int16 `json:"signal_low_freq"`
SignalHighFreq int16 `json:"signal_high_freq"`
Lastseen time.Time `json:"lastseen"`
}
// Function to initialize the database
func init() {
database.AddModel(&Client{})
}

17
data/hwaddr.go
View File

@ -2,7 +2,12 @@ package data
import "net"
type HardwareAddr struct{ net.HardwareAddr }
type HardwareAddr net.HardwareAddr
//MarshalJSON to bytearray
func (a HardwareAddr) String() string {
return net.HardwareAddr(a).String()
}
//MarshalJSON to bytearray
func (a HardwareAddr) MarshalText() ([]byte, error) {
@ -10,7 +15,11 @@ func (a HardwareAddr) MarshalText() ([]byte, error) {
}
// UnmarshalJSON from bytearray
func (a HardwareAddr) UnmarshalText(data []byte) (err error) {
a.HardwareAddr, err = net.ParseMAC(string(data))
return
func (a HardwareAddr) UnmarshalText(data []byte) error {
b, err := net.ParseMAC(string(data))
if err != nil {
return err
}
a = HardwareAddr(b)
return nil
}

22
database/ap.go
View File

@ -1,22 +0,0 @@
package database
import (
"net"
"github.com/FreifunkBremen/yanic/lib/jsontime"
)
type AP struct {
IP *net.IP `json:"ip"`
Lastseen jsontime.Time `json:"lastseen"`
}
func (db *DB) GetClients(ap *AP) []*Client {
var clients []*Client
for _, client := range db.Clients {
if client.AP == ap {
clients = append(clients, client)
}
}
return clients
}

84
database/client.go
View File

@ -1,84 +0,0 @@
package database
import (
"net"
"time"
// "github.com/bdlm/log"
"github.com/FreifunkBremen/yanic/lib/jsontime"
"dev.sum7.eu/genofire/wifictld-analyzer/capture"
"dev.sum7.eu/genofire/wifictld-analyzer/data"
)
type Client struct {
AP *AP `json:"-"`
APAddr string `json:"ap"`
Addr data.HardwareAddr `json:"-"`
TryProbe uint16 `json:"try_probe"`
TryAuth uint16 `json:"try_auth"`
Connected bool `json:"connected"`
Authed bool `json:"authed"`
FreqHighest uint16 `json:"freq_highest"`
SignalLowFreq int16 `json:"signal_low_freq"`
SignalHighFreq int16 `json:"signal_high_freq"`
Lastseen jsontime.Time `json:"lastseen"`
}
func (db *DB) LearnClient(apIP net.IP, clientWifictl *capture.WifiClient) bool {
ret := false
// learn ap
apAddr := apIP.String()
ap, ok := db.APs[apAddr]
if !ok {
ap = &AP{}
db.APs[apAddr] = ap
}
ap.IP = &apIP
ap.Lastseen = jsontime.Now()
// learn client
clientAddr := clientWifictl.Addr.String()
client, ok := db.Clients[clientAddr]
if !ok {
client = &Client{
Addr: clientWifictl.Addr,
}
db.Clients[clientAddr] = client
}
client.Lastseen = jsontime.Now()
client.AP = ap
client.APAddr = apAddr
client.Connected = clientWifictl.Connected
client.SignalLowFreq = clientWifictl.SignalLowFreq
client.SignalHighFreq = clientWifictl.SignalHighFreq
if clientWifictl.TryAuth > client.TryAuth {
client.TryAuth = clientWifictl.TryAuth
}
if clientWifictl.TryProbe > client.TryProbe {
client.TryProbe = clientWifictl.TryProbe
}
if client.FreqHighest < clientWifictl.FreqHighest {
ret = (client.FreqHighest != 0)
client.FreqHighest = clientWifictl.FreqHighest
}
if clientWifictl.Authed {
client.Authed = clientWifictl.Authed
}
return ret
}
func (db *DB) GetClient(addr data.HardwareAddr) *capture.WifiClient {
client, ok := db.Clients[addr.String()]
wClient := &capture.WifiClient{
Addr: addr,
Time: time.Now(),
}
if ok {
wClient.TryProbe = client.TryProbe
}
return wClient
}

47
database/main.go
View File

@ -1,47 +0,0 @@
package database
import (
"time"
"github.com/bdlm/log"
"dev.sum7.eu/genofire/golang-lib/file"
"dev.sum7.eu/genofire/golang-lib/worker"
)
type DB struct {
Clients map[string]*Client `json:"client"`
APs map[string]*AP `json:"ap"`
worker *worker.Worker
}
func NewDB(path string) *DB {
db := &DB{
Clients: make(map[string]*Client),
APs: make(map[string]*AP),
}
file.ReadJSON(path, db)
for addr, client := range db.Clients {
client.Addr.UnmarshalText([]byte(addr))
if ap, ok := db.APs[client.APAddr]; ok {
client.AP = ap
}
}
db.worker = worker.NewWorker(time.Minute, func() {
file.SaveJSON(path, db)
log.Debug("save db state")
})
db.worker.Start()
return db
}
func (db *DB) Close() {
if db.worker != nil {
db.worker.Close()
}
}

1
database/main_test.go
View File

@ -1 +0,0 @@
package database

23
web/webserver.go
View File

@ -7,9 +7,12 @@ import (
"github.com/NYTimes/gziphandler"
"github.com/bdlm/log"
"dev.sum7.eu/genofire/golang-lib/database"
lib "dev.sum7.eu/genofire/golang-lib/http"
"dev.sum7.eu/genofire/golang-lib/websocket"
"dev.sum7.eu/genofire/wifictld-analyzer/capture"
"dev.sum7.eu/genofire/wifictld-analyzer/data"
)
type Server struct {
@ -22,6 +25,26 @@ func New(config *Config) *Server {
ws := websocket.NewWebsocketHandlerService()
ws.Listen("/ws")
http.HandleFunc("/data.json", func(w http.ResponseWriter, r *http.Request) {
type dataResponse struct {
APs []data.AP `json:"aps"`
Clients []data.Client `json:"clients"`
}
data := &dataResponse{}
if result := database.Read.Find(&data.APs); result.Error != nil {
log.WithField("error", result.Error.Error()).Warn("not possible to read APs")
http.Error(w, "not possible to read APs", http.StatusNotFound)
return
}
if result := database.Read.Find(&data.Clients); result.Error != nil {
log.WithField("error", result.Error.Error()).Warn("not possible to read Clients")
http.Error(w, "not possible to read Clients", http.StatusNotFound)
return
}
lib.Write(w, data)
log.Info("fetch data")
})
http.Handle("/", gziphandler.GzipHandler(http.FileServer(http.Dir(config.Webroot))))
return &Server{
web: &http.Server{