Differential D10905 Diff 28488 src/org/kde/kdeconnect/Plugins/SftpPlugin/SimpleSftpServer.java

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src/org/kde/kdeconnect/Plugins/SftpPlugin/SimpleSftpServer.java

Show First 20 Lines • Show All 72 Lines • ▼ Show 20 Line(s)65class SimpleSftpServer {
73 73​
74 private final SimplePasswordAuthenticator passwordAuth = new SimplePasswordAuthenticator(); 74​ private final SimplePasswordAuthenticator passwordAuth = new SimplePasswordAuthenticator();
75 private final SimplePublicKeyAuthenticator keyAuth = new SimplePublicKeyAuthenticator(); 75​ private final SimplePublicKeyAuthenticator keyAuth = new SimplePublicKeyAuthenticator();
76 76​
77 static { 77​ static {
78 Security.insertProviderAt(SslHelper.BC, 1); 78​ Security.insertProviderAt(SslHelper.BC, 1);
79 SecurityUtils.setRegisterBouncyCastle(false); 79​ SecurityUtils.setRegisterBouncyCastle(false);
80 } 80​ }
81​
81 private final SshServer sshd = SshServer.setUpDefaultServer(); 82​ private final SshServer sshd = SshServer.setUpDefaultServer();
82 83​
83 public void init(Context context, Device device) { 84​ public void init(Context context, Device device) {
84 85​
85 sshd.setKeyExchangeFactories(Arrays.asList( 86​ sshd.setKeyExchangeFactories(Arrays.asList(
86 new DHG14.Factory(), 87​ new DHG14.Factory(),
87 new DHG1.Factory())); 88​ new DHG1.Factory()));
88 89​
89 sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(context.getFilesDir() + "/sftpd.ser")); 90​ sshd.setKeyPairProvider(new SimpleGeneratorHostKeyProvider(context.getFilesDir() + "/sftpd.ser"));
90 91​
91 sshd.setFileSystemFactory(new AndroidFileSystemFactory(context)); 92​ sshd.setFileSystemFactory(new AndroidFileSystemFactory(context));
92 sshd.setCommandFactory(new ScpCommandFactory()); 93​ sshd.setCommandFactory(new ScpCommandFactory());
93 sshd.setSubsystemFactories(Collections.singletonList((NamedFactory<Command>)new SftpSubsystem.Factory())); 94​ sshd.setSubsystemFactories(Collections.singletonList((NamedFactory<Command>) new SftpSubsystem.Factory()));
94 95​
95 if (device.publicKey != null) { 96​ if (device.publicKey != null) {
96 keyAuth.deviceKey = device.publicKey; 97​ keyAuth.deviceKey = device.publicKey;
97 sshd.setPublickeyAuthenticator(keyAuth); 98​ sshd.setPublickeyAuthenticator(keyAuth);
98 } 99​ }
99 sshd.setPasswordAuthenticator(passwordAuth); 100​ sshd.setPasswordAuthenticator(passwordAuth);
100 } 101​ }
101 102​
102 public boolean start() { 103​ public boolean start() {
103 if (!started) { 104​ if (!started) {
104 105​
105 passwordAuth.password = RandomHelper.randomString(28); 106​ passwordAuth.password = RandomHelper.randomString(28);
106 107​
107 port = STARTPORT; 108​ port = STARTPORT;
108 while(!started) { 109​ while (!started) {
109 try { 110​ try {
110 sshd.setPort(port); 111​ sshd.setPort(port);
111 sshd.start(); 112​ sshd.start();
112 started = true; 113​ started = true;
113 } catch(Exception e) { 114​ } catch (Exception e) {
114 e.printStackTrace(); 115​ e.printStackTrace();
115 port++; 116​ port++;
116 if (port >= ENDPORT) { 117​ if (port >= ENDPORT) {
117 port = -1; 118​ port = -1;
118 Log.e("SftpServer", "No more ports available"); 119​ Log.e("SftpServer", "No more ports available");
119 return false; 120​ return false;
120 } 121​ }
121 } 122​ }
Show All 18 Lines
140 141​
141 public int getPort() { 142​ public int getPort() {
142 return port; 143​ return port;
143 } 144​ }
144 145​
145 public String getLocalIpAddress() { 146​ public String getLocalIpAddress() {
146 String ip6 = null; 147​ String ip6 = null;
147 try { 148​ try {
148 for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements();) { 149​ for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en.hasMoreElements(); ) {
149 NetworkInterface intf = en.nextElement(); 150​ NetworkInterface intf = en.nextElement();
150 151​
151 // Anything with rmnet is related to cellular connections or USB 152​ // Anything with rmnet is related to cellular connections or USB
152 // tethering mechanisms. See: 153​ // tethering mechanisms. See:
153 // 154​ //
154 // https://android.googlesource.com/kernel/msm/+/android-msm-flo-3.4-kitkat-mr1/Documentation/usb/gadget_rmnet.txt 155​ // https://android.googlesource.com/kernel/msm/+/android-msm-flo-3.4-kitkat-mr1/Documentation/usb/gadget_rmnet.txt
155 // 156​ //
156 // If we run across an interface that has this, we can safely 157​ // If we run across an interface that has this, we can safely
157 // ignore it. In fact, it's much safer to do. If we don't, we 158​ // ignore it. In fact, it's much safer to do. If we don't, we
158 // might get invalid IP adddresses out of it. 159​ // might get invalid IP adddresses out of it.
159 if(intf.getDisplayName().contains("rmnet")) continue; 160​ if (intf.getDisplayName().contains("rmnet")) continue;
160 161​
161 for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) { 162​ for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
162 InetAddress inetAddress = enumIpAddr.nextElement(); 163​ InetAddress inetAddress = enumIpAddr.nextElement();
163 if (!inetAddress.isLoopbackAddress()) { 164​ if (!inetAddress.isLoopbackAddress()) {
164 String address = inetAddress.getHostAddress(); 165​ String address = inetAddress.getHostAddress();
165 if(inetAddress instanceof Inet4Address) { //Prefer IPv4 over IPv6, because sshfs doesn't seem to like IPv6 166​ if (inetAddress instanceof Inet4Address) { //Prefer IPv4 over IPv6, because sshfs doesn't seem to like IPv6
166 return address; 167​ return address;
167 } else { 168​ } else {
168 ip6 = address; 169​ ip6 = address;
169 } 170​ }
170 } 171​ }
171 } 172​ }
172 } 173​ }
173 } catch (SocketException ex) { 174​ } catch (SocketException ex) {
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