Initial version of STATUS command

At the moment only returning a subset of the values you can get. That
will come later.

unixgram.go

@@ -330,6 +330,15 @@ func (uc *unixgramConn) ScanResults() ([]ScanResult, []error) {
 	return parseScanResults(bytes.NewBuffer(resp))
 }
 
+func (uc *unixgramConn) Status() (StatusResult, error) {
+	resp, err := uc.cmd("STATUS")
+	if err != nil {
+		return nil, err
+	}
+
+	return parseStatusResults(bytes.NewBuffer(resp))
+}
+
 func (uc *unixgramConn) ListNetworks() ([]ConfiguredNetwork, error) {
 	resp, err := uc.cmd("LIST_NETWORKS")
 	if err != nil {
@@ -360,10 +369,7 @@ func parseListNetworksResult(resp io.Reader) (res []ConfiguredNetwork, err error
 		return nil, &ParseError{}
 	}
 
-	fmt.Println("Listing networks")
-
 	networkIDCol, ssidCol, bssidCol, flagsCol, maxCol := -1, -1, -1, -1, -1
-	fmt.Println(strings.Split(s.Text(), " / "))
 	for n, col := range strings.Split(s.Text(), " / ") {
 		switch col {
 		case "network id":
@@ -379,12 +385,9 @@ func parseListNetworksResult(resp io.Reader) (res []ConfiguredNetwork, err error
 		maxCol = n
 	}
 
-	fmt.Println(networkIDCol)
-
 	for s.Scan() {
 		ln := s.Text()
 		fields := strings.Split(ln, "\t")
-		fmt.Println(fields)
 		if len(fields) < maxCol {
 			return nil, &ParseError{Line: ln}
 		}
@@ -417,8 +420,35 @@ func parseListNetworksResult(resp io.Reader) (res []ConfiguredNetwork, err error
 			bssid:     bssid,
 			flags:     flags,
 		})
+	}
 
-		// fmt.Println(res)
+	return res, nil
+}
+
+func parseStatusResults(resp io.Reader) (StatusResult, error) {
+	s := bufio.NewScanner(resp)
+
+	res := &statusResult{}
+
+	for s.Scan() {
+		ln := s.Text()
+		fields := strings.Split(ln, "=")
+		if len(fields) != 2 {
+			continue
+		}
+
+		switch fields[0] {
+		case "wpa_state":
+			res.wpaState = fields[1]
+		case "key_mgmt":
+			res.keyMgmt = fields[1]
+		case "ip_address":
+			res.ipAddr = fields[1]
+		case "ssid":
+			res.ssid = fields[1]
+		case "address":
+			res.address = fields[1]
+		}
 	}
 
 	return res, nil

unixgram_test.go

@@ -131,3 +131,37 @@ func TestParseScanResults(t *testing.T) {
 		}
 	}
 }
+
+func TestParseStatusResults(t *testing.T) {
+	testData := "bssid=02:00:01:02:03:04\n" +
+		"ssid=test network\n" +
+		"pairwise_cipher=CCMP\n" +
+		"group_cipher=CCMP\n" +
+		"key_mgmt=WPA-PSK\n" +
+		"wpa_state=COMPLETED\n" +
+		"ip_address=192.168.1.21\n" +
+		"Supplicant PAE state=AUTHENTICATED\n" +
+		"suppPortStatus=Authorized\n" +
+		"EAP state=SUCCESS"
+
+	res, err := parseStatusResults(bytes.NewBufferString(testData))
+	if err != nil {
+		t.Errorf("Error parsing status result %t", err)
+	}
+
+	if res.WPAState() != "COMPLETED" {
+		t.Errorf("WPAState was not COMPLETED. Was %s", res.WPAState())
+	}
+
+	if res.IPAddr() != "192.168.1.21" {
+		t.Errorf("IPAddr was not 192.168.1.21. Was %s", res.IPAddr())
+	}
+
+	if res.KeyMgmt() != "WPA-PSK" {
+		t.Errorf("KeyMgmt was not WPA-PSK. Was %s", res.KeyMgmt())
+	}
+
+	if res.Address() != "" {
+		t.Errorf("Address should be empty. Was %s", res.Address())
+	}
+}

wpasupplicant.go

@@ -140,6 +140,28 @@ func (r *configuredNetwork) BSSID() string     { return r.bssid }
 func (r *configuredNetwork) SSID() string      { return r.ssid }
 func (r *configuredNetwork) Flags() []string   { return r.flags }
 
+type StatusResult interface {
+	WPAState() string
+	KeyMgmt() string
+	IPAddr() string
+	SSID() string
+	Address() string
+}
+
+type statusResult struct {
+	wpaState string
+	keyMgmt  string
+	ipAddr   string
+	ssid     string
+	address  string
+}
+
+func (s *statusResult) WPAState() string { return s.wpaState }
+func (s *statusResult) KeyMgmt() string  { return s.keyMgmt }
+func (s *statusResult) IPAddr() string   { return s.ipAddr }
+func (s *statusResult) SSID() string     { return s.ssid }
+func (s *statusResult) Address() string  { return s.address }
+
 type WPAEvent struct {
 	Event     string
 	Arguments map[string]string
@@ -200,6 +222,9 @@ type Conn interface {
 	// ListNetworks returns the currently configured networks.
 	ListNetworks() ([]ConfiguredNetwork, error)
 
+	// Status returns current wpa_supplicant status
+	Status() (StatusResult, error)
+
 	// Scan triggers a new scan. Returns error if the wpa_supplicant does not
 	// return OK.
 	Scan() error