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Diffstat (limited to 'app/src/fil/libre/repwifiapp/helpers/Engine6p0.java')
-rw-r--r--app/src/fil/libre/repwifiapp/helpers/Engine6p0.java715
1 files changed, 370 insertions, 345 deletions
diff --git a/app/src/fil/libre/repwifiapp/helpers/Engine6p0.java b/app/src/fil/libre/repwifiapp/helpers/Engine6p0.java
index 9cbfeaf..d4ff0f7 100644
--- a/app/src/fil/libre/repwifiapp/helpers/Engine6p0.java
+++ b/app/src/fil/libre/repwifiapp/helpers/Engine6p0.java
@@ -20,352 +20,377 @@
package fil.libre.repwifiapp.helpers;
+import org.apache.http.conn.util.InetAddressUtils;
import fil.libre.repwifiapp.Commons;
+public class Engine6p0 extends Engine {
+
+ @Override
+ protected String getCmdWpaStart() {
+ return "wpa_supplicant -B -dd -i" + Commons.INTERFACE_NAME + " -C" + Commons.SOCKET_DIR
+ + " -P" + Commons.PID_FILE + " -I" + Commons.OVERLAY_FILE + " -e"
+ + Commons.ENTROPY_FILE;
+ }
+
+ @Override
+ public boolean connect(AccessPointInfo info) {
+
+ killBackEndProcesses();
+
+ if (info == null) {
+ Utils.logDebug("Engine's connect() received a null AccessPointInfo");
+ return false;
+ }
+
+ // clear any previously set network
+ if (!destroyNetwork()) {
+ Utils.logDebug("Unable to ndc destroy network");
+ return false;
+ }
+
+ // clear interface's ip
+ if (!clearAddrs()) {
+ Utils.logDebug("Unable to ndc clearaddrs");
+ return false;
+ }
+
+ // bring up interface
+ if (!interfaceUp()) {
+ Utils.logDebug("Unable to bring up interface.");
+ return false;
+ }
+
+ // launch wpa_supplicant specifying our custom configuration and the
+ // socket file
+ if (!executeRootCmd(getCmdWpaStart())) {
+ Utils.logDebug("Unable to run wpa start");
+ return false;
+ }
+
+ // create new network and get network id
+ String netID = createNetworkGetId();
+ if (netID == null) {
+ Utils.logDebug("Unable to fetch network id");
+ return false;
+ }
+
+ // set network SSID
+ if (!setNetworkSSID(info.getSsid(), netID)) {
+ Utils.logDebug("Failed to set network ssid");
+ return false;
+ }
+
+ if (info.isHidden() && !setNetworkScanSSID(netID)) {
+ Utils.logDebug("Failed to set scan_ssid 1 for hidden network.");
+ return false;
+ }
+
+ // set password (if any)
+ if (!setNetworkPSK(info, netID)) {
+ Utils.logDebug("Failed to set network psk");
+ return false;
+ }
+
+ // select the network we just created
+ if (!selectNetwork(netID)) {
+ Utils.logDebug("Unable to wpa_cli select network");
+ return false;
+ }
+
+ // enable the newtork
+ if (!enableNetwork(netID)) {
+ Utils.logDebug("Unable to wpa_cli enable_newtork");
+ return false;
+ }
+
+ // try to reassociate to Access Point
+ /*
+ * if (! reassociate()){
+ * Utils.logDebug("Unable to wpa_cli reassociate"); return false; }
+ */
+
+ // get DHCP
+ Utils.logDebug("Attempt to run dhcpcd..");
+ if (!runDhcpcd()) {
+ Utils.logDebug("Failed to run dhcpcd");
+ return false;
+ }
+
+ // try to fetch gateway
+ String gw = getGateway();
+ if (gw == null || gw.trim().length() < 7) {
+ // failed to get gateway
+ Utils.logDebug("Failed to get gateway");
+ return false;
+ }
+
+ if (!executeRootCmd("ndc network create 1")) {
+ Utils.logDebug("Failed to wpa_cli network create 1 ");
+ return false;
+ }
+
+ if (!executeRootCmd("ndc network interface add 1 " + Commons.INTERFACE_NAME)) {
+ Utils.logDebug("Failed to add interface.");
+ return false;
+ }
+
+ // set route to gateway for all traffic
+ if (!executeRootCmd("ndc network route add 1 " + Commons.INTERFACE_NAME + " 0.0.0.0/0 "
+ + gw)) {
+ Utils.logDebug("Failed to add route to gateway");
+ return false;
+ }
+
+ if (!setDns(Commons.getDnss(), gw)) {
+ Utils.logDebug("Failed to set DNS");
+ return false;
+ }
+
+ // use network
+ if (!executeRootCmd("ndc network default set 1")) {
+ Utils.logDebug("Failed to set network as default");
+ return false;
+ }
+
+ return true;
+
+ }
+
+ private String createNetworkGetId() {
+
+ try {
+
+ RootCommand su = new RootCommand(getCmdWpaCli() + " add_network");
+ if (su.execute() == 0) {
+ String out = su.getOutput();
+ if (out == null || out.trim().equals("")) {
+ return null;
+ } else {
+ return out.replace("\n", "");
+ }
+ } else {
+ return null;
+ }
+
+ } catch (Exception e) {
+ Utils.logError("Error while creating network", e);
+ return null;
+ }
+
+ }
+
+ private boolean destroyNetwork() {
+ // needs root (tested)
+ return executeRootCmd("ndc network destroy 1");
+ }
+
+ private boolean setNetworkSSID(String ssid, String networkID) {
+
+ try {
+
+ // needs root (wpa_cli)
+ RootCommand su = new RootCommand(getCmdWpaCli() + " set_network " + networkID
+ + " ssid '\"" + ssid + "\"'");
+ if (su.execute() == 0) {
+ String out = su.getOutput();
+ if (out != null && out.trim().replace("\n", "").equals("OK")) {
+ return true;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ } catch (Exception e) {
+ Utils.logError("Error while setting network SSID", e);
+ return false;
+ }
+
+ }
+
+ private boolean setNetworkPSK(AccessPointInfo info, String networkID) {
+
+ try {
+
+ // needs root (wpa_cli)
+
+ String cmdSetPass = null;
+ if (info.needsPassword()) {
+ cmdSetPass = getCmdWpaCli() + " set_network " + networkID + " psk '\""
+ + info.getPassword() + "\"'";
+ } else {
+ cmdSetPass = getCmdWpaCli() + " set_network " + networkID + " key_mgmt NONE";
+ }
+
+ RootCommand su = new RootCommand(cmdSetPass);
+ if (su.execute() == 0) {
+ String out = su.getOutput();
+ if (out != null && out.trim().replace("\n", "").equals("OK")) {
+ return true;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ } catch (Exception e) {
+ Utils.logError("Error while setting network PSK", e);
+ return false;
+ }
+
+ }
+
+ private boolean setNetworkScanSSID(String networkID) {
+
+ try {
+
+ // needs root (wpa_cli)
+ RootCommand su = new RootCommand(getCmdWpaCli() + " set_network " + networkID
+ + " scan_ssid 1");
+ if (su.execute() == 0) {
+ String out = su.getOutput();
+ if (out != null && out.trim().replace("\n", "").equals("OK")) {
+ return true;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ } catch (Exception e) {
+ Utils.logError("Error while setting network SSID", e);
+ return false;
+ }
+ }
+
+ private boolean selectNetwork(String networkID) {
+
+ try {
+
+ // needs root (wpa_cli)
+ RootCommand su = new RootCommand(getCmdWpaCli() + " select_network " + networkID);
+ if (su.execute() == 0) {
+ String out = su.getOutput();
+ if (out != null && out.trim().replace("\n", "").equals("OK")) {
+ return true;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ } catch (Exception e) {
+ Utils.logError("Error while selecting network", e);
+ return false;
+ }
+
+ }
+
+ private boolean enableNetwork(String networkID) {
+
+ try {
+
+ // needs root (wpa_cli)
+
+ RootCommand su = new RootCommand(getCmdWpaCli() + " enable_network " + networkID);
+ if (su.execute() == 0) {
+ String out = su.getOutput();
+ if (out != null && out.trim().replace("\n", "").equals("OK")) {
+ return true;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+
+ } catch (Exception e) {
+ Utils.logError("Error while enabling network", e);
+ return false;
+ }
+
+ }
+
+ private boolean setDns(String[] dnss, String gateway) {
+
+ if (dnss == null || dnss.length == 0) {
+ // the DNS setting has been left blank
+ // try to use the gateway as dns
+
+ if (gateway == null || gateway.length() == 0) {
+ // no possible DNS.
+ return false;
+ }
+
+ dnss = new String[] { gateway, gateway };
+
+ }
+
+ if (!InetAddressUtils.isIPv4Address(dnss[0])) {
+ // invalid ip can't proceed.
+ return false;
+ }
+
+ String cmd = "ndc resolver setnetdns 1 " + dnss[0];
+
+ if (dnss.length > 1 && InetAddressUtils.isIPv4Address(dnss[1])) {
+ cmd += " " + dnss[1];
+ } else {
+ cmd += " " + dnss[0];
+ }
+
+ return executeRootCmd(cmd);
+ }
+
+ private String getGateway() {
+
+ try {
+
+ // doesn't need root (tested)
+ RootCommand cmd = new RootCommand("ip route show dev " + Commons.INTERFACE_NAME);
+ if (cmd.execute() != 0) {
+ Utils.logDebug("command failed show route");
+ return null;
+ }
+
+ // read command output
+ String out = cmd.getOutput();
+ if (out == null) {
+ return null;
+ }
+
+ String[] lines = out.split("\n");
+
+ for (String l : lines) {
+
+ if (l.contains("default via")) {
+
+ String[] f = l.split(" ");
+ if (f.length > 2) {
+
+ // found route's address:
+ return f[2];
+
+ }
+ }
+ }
+
+ return null;
+
+ } catch (Exception e) {
+ Utils.logError("Error while trying to fetch route", e);
+ return null;
+ }
+
+ }
+
+ private boolean clearAddrs() {
+ // needs root (tested)
+ return executeRootCmd("ndc interface clearaddrs " + Commons.INTERFACE_NAME);
+ }
-public class Engine6p0 extends Engine{
-
- @Override
- protected String getCmdWpaStart(){
- return "wpa_supplicant -B -dd -i" + Commons.INTERFACE_NAME + " -C" + Commons.SOCKET_DIR + " -P" + Commons.PID_FILE + " -I" + Commons.OVERLAY_FILE + " -e" + Commons.ENTROPY_FILE;
- }
-
- @Override
- public boolean connect(AccessPointInfo info){
-
- killPreviousConnections();
-
- if (info == null){
- Utils.logDebug("Engine's connect() received a null AccessPointInfo");
- return false;
- }
-
- //clear any previously set network
- if (! destroyNetwork()){
- Utils.logDebug("Unable to ndc destroy network");
- return false;
- }
-
- //clear interface's ip
- if (! clearAddrs()){
- Utils.logDebug("Unable to ndc clearaddrs");
- return false;
- }
-
- //bring up interface
- if(! interfaceUp()){
- Utils.logDebug("Unable to bring up interface.");
- return false;
- }
-
- //launch wpa_supplicant specifying our custom configuration and the socket file
- if (! executeRootCmd(getCmdWpaStart())){
- Utils.logDebug("Unable to run wpa start");
- return false;
- }
-
- //create new network and get network id
- String netID = createNetworkGetId();
- if (netID == null){
- Utils.logDebug("Unable to fetch network id");
- return false;
- }
-
- //set network SSID
- if (! setNetworkSSID(info.getSSID(), netID)){
- Utils.logDebug("Failed to set network ssid");
- return false;
- }
-
- //set password (if any)
- if(! setNetworkPSK(info, netID)){
- Utils.logDebug("Failed to set network psk");
- return false;
- }
-
- // select the network we just created
- if (! selectNetwork(netID)){
- Utils.logDebug("Unable to wpa_cli select network");
- return false;
- }
-
- //enable the newtork
- if (! enableNetwork(netID)){
- Utils.logDebug("Unable to wpa_cli enable_newtork");
- return false;
- }
-
- //try to reassociate to Access Point
- if (! reassociate()){
- Utils.logDebug("Unable to wpa_cli reassociate");
- return false;
- }
-
- //get DHCP
- Utils.logDebug("Attempt to run dhcpcd..");
- if (!runDhcpcd()){
- Utils.logDebug("Failed to run dhcpcd");
- return false;
- }
-
- //try to fetch gateway
- String gw = getGateway();
- if (gw == null || gw.trim().length() < 7){
- //failed to get gateway
- Utils.logDebug("Failed to get gateway");
- return false;
- }
-
- if (! executeRootCmd("ndc network create 1")){
- Utils.logDebug("Failed to wpa_cli network create 1 ");
- return false;
- }
-
- if (! executeRootCmd("ndc network interface add 1 " + Commons.INTERFACE_NAME)){
- Utils.logDebug("Failed to add interface.");
- return false;
- }
-
- // set route to gateway for all traffic
- if (! executeRootCmd("ndc network route add 1 " + Commons.INTERFACE_NAME + " 0.0.0.0/0 " + gw)){
- Utils.logDebug("Failed to add route to gateway");
- return false;
- }
-
- //set DNS
- if (! executeRootCmd("ndc resolver setnetdns 1 " + " " + DNS1 + " " + DNS2)){
- Utils.logDebug("Failed to set DNS");
- return false;
- }
-
- //use network
- if (! executeRootCmd("ndc network default set 1")){
- Utils.logDebug("Failed to set network as default");
- return false;
- }
-
- //TODO
- //implement wpa_cli query for status
- //in order to be sure that connection is extablished
-
- return true;
-
-
-
- }
-
- private String createNetworkGetId(){
-
- try {
-
- RootCommand su = new RootCommand(getCmdWpaCli() + " add_network");
- if(su.execute() == 0){
- String out = su.getOutput();
- if (out == null || out.trim().equals("")){
- return null;
- }
- else {
- return out.replace("\n", "");
- }
- }
- else {
- return null;
- }
-
- } catch (Exception e) {
- Utils.logError("Error while creating network", e);
- return null;
- }
-
- }
-
- private boolean destroyNetwork(){
- //needs root (tested)
- return executeRootCmd("ndc network destroy 1");
- }
-
- private boolean setNetworkSSID(String ssid, String networkID){
-
- try {
-
- //needs root (wpa_cli)
- RootCommand su = new RootCommand(getCmdWpaCli() + " set_network " + networkID + " ssid '\"" + ssid + "\"'" );
- if (su.execute() == 0){
- String out = su.getOutput();
- if (out != null && out.trim().replace("\n", "").equals("OK")){
- return true;
- }else {
- return false;
- }
- }
- else{
- return false;
- }
-
- } catch (Exception e) {
- Utils.logError("Error while setting network SSID", e);
- return false;
- }
-
- }
-
- private boolean setNetworkPSK(AccessPointInfo info, String networkID){
-
- try {
-
- //needs root (wpa_cli)
-
- String cmdSetPass = null;
- if (info.needsPassword()){
- cmdSetPass = getCmdWpaCli() + " set_network " + networkID + " psk '\"" + info.getPassword() + "\"'";
- }
- else{
- cmdSetPass = getCmdWpaCli() + " set_network " + networkID + " key_mgmt NONE";
- }
-
- RootCommand su = new RootCommand(cmdSetPass);
- if (su.execute() == 0){
- String out = su.getOutput();
- if (out != null && out.trim().replace("\n", "").equals("OK")){
- return true;
- }else {
- return false;
- }
- }
- else{
- return false;
- }
-
- } catch (Exception e) {
- Utils.logError("Error while setting network PSK", e);
- return false;
- }
-
-
- }
-
- private boolean selectNetwork(String networkID){
-
- try {
-
- //needs root (wpa_cli)
- RootCommand su = new RootCommand(getCmdWpaCli() + " select_network " + networkID);
- if (su.execute() == 0){
- String out = su.getOutput();
- if (out != null && out.trim().replace("\n", "").equals("OK")){
- return true;
- }else {
- return false;
- }
- }
- else{
- return false;
- }
-
- } catch (Exception e) {
- Utils.logError("Error while selecting network", e);
- return false;
- }
-
- }
-
- private boolean enableNetwork(String networkID){
-
- try {
-
- //needs root (wpa_cli)
-
- RootCommand su = new RootCommand(getCmdWpaCli() + " enable_network " + networkID);
- if (su.execute() == 0){
- String out = su.getOutput();
- if (out != null && out.trim().replace("\n", "").equals("OK")){
- return true;
- }else {
- return false;
- }
- }
- else{
- return false;
- }
-
- } catch (Exception e) {
- Utils.logError("Error while enabling network", e);
- return false;
- }
-
- }
-
- private boolean reassociate(){
-
- try {
-
- //needs root (wpa_cli)
-
- RootCommand su = new RootCommand(getCmdWpaCli() + " reassociate");
- if (su.execute() == 0){
- String out = su.getOutput();
- if (out != null && out.trim().replace("\n", "").equals("OK")){
- return true;
- }else {
- return false;
- }
- }
- else{
- return false;
- }
-
- } catch (Exception e) {
- Utils.logError("Error while reassociating network", e);
- return false;
- }
-
- }
-
- private String getGateway(){
-
- try {
-
- //doesn't need root (tested)
- ShellCommand cmd = new ShellCommand("ip route show dev " + Commons.INTERFACE_NAME);
- if (cmd.execute() != 0){
- Utils.logDebug("command failed show route");
- return null;
- }
-
- //read command output
- String out = cmd.getOutput();
- if (out == null){
- return null;
- }
-
- String[] lines = out.split("\n");
-
- for (String l : lines){
-
- if (l.contains("default via")){
-
- String[] f = l.split(" ");
- if (f.length > 2){
-
- //found route's address:
- return f[2];
-
- }
- }
- }
-
- return null;
-
- } catch (Exception e) {
- Utils.logError("Error while trying to fetch route",e);
- return null;
- }
-
- }
-
- private boolean clearAddrs(){
- //needs root (tested)
- return executeRootCmd("ndc interface clearaddrs " + Commons.INTERFACE_NAME);
- }
-
} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-30 23:31:12 +0000