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new: ble.write implemented

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This commit is contained in:
evilsocket 2018-02-27 03:07:59 +01:00
parent 608c0d7349
commit b4cd5f2a6d
2 changed files with 64 additions and 5 deletions
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35
modules/ble_recon_view.go
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@ -71,8 +71,10 @@ func (d *BLERecon) Show() error {
return nil
}
func parseProperties(ch *gatt.Characteristic) (props []string, isReadable bool) {
func parseProperties(ch *gatt.Characteristic) (props []string, isReadable bool, isWritable bool, withResponse bool) {
isReadable = false
isWritable = false
withResponse = false
props = make([]string, 0)
mask := ch.Properties()
@ -85,6 +87,8 @@ func parseProperties(ch *gatt.Characteristic) (props []string, isReadable bool)
}
if (mask&gatt.CharWriteNR) != 0 || (mask&gatt.CharWrite) != 0 {
props = append(props, core.Bold("write"))
isWritable = true
withResponse = (mask & gatt.CharWriteNR) == 0
}
if (mask & gatt.CharNotify) != 0 {
props = append(props, "notify")
@ -94,6 +98,8 @@ func parseProperties(ch *gatt.Characteristic) (props []string, isReadable bool)
}
if (mask & gatt.CharSignedWrite) != 0 {
props = append(props, core.Yellow("*write"))
isWritable = true
withResponse = true
}
if (mask & gatt.CharExtended) != 0 {
props = append(props, "x")
@ -121,6 +127,9 @@ func (d *BLERecon) showServices(p gatt.Peripheral, services []*gatt.Service) {
columns := []string{"Handles", "Service > Characteristics", "Properties", "Data"}
rows := make([][]string, 0)
wantsToWrite := d.writeUUID != nil
foundToWrite := false
for _, svc := range services {
d.Session.Events.Add("ble.device.service.discovered", svc)
@ -156,7 +165,21 @@ func (d *BLERecon) showServices(p gatt.Peripheral, services []*gatt.Service) {
name = fmt.Sprintf(" %s (%s)", core.Green(name), core.Dim(ch.UUID().String()))
}
props, isReadable := parseProperties(ch)
props, isReadable, isWritable, withResponse := parseProperties(ch)
if wantsToWrite && d.writeUUID.Equal(ch.UUID()) == true {
foundToWrite = true
if isWritable {
log.Info("Writing %d bytes to characteristics %s ...", len(d.writeData), d.writeUUID)
} else {
log.Warning("Attempt to write %d bytes to non writable characteristics %s ...", len(d.writeData), d.writeUUID)
}
err := p.WriteCharacteristic(ch, d.writeData, !withResponse)
if err != nil {
log.Error("Error while writing: %s", err)
}
}
data := ""
if isReadable {
@ -179,6 +202,10 @@ func (d *BLERecon) showServices(p gatt.Peripheral, services []*gatt.Service) {
}
}
core.AsTable(os.Stdout, columns, rows)
d.Session.Refresh()
if wantsToWrite && foundToWrite == false {
log.Error("Writable characteristics %s not found.", d.writeUUID)
} else {
core.AsTable(os.Stdout, columns, rows)
d.Session.Refresh()
}
}