package android.security;
import android.net.LocalSocketAddress;
import android.net.LocalSocket;
import java.io.InputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
public static final int NO_ERROR = 1;
public static final int LOCKED = 2;
public static final int UNINITIALIZED = 3;
public static final int SYSTEM_ERROR = 4;
public static final int PROTOCOL_ERROR = 5;
public static final int PERMISSION_DENIED = 6;
public static final int KEY_NOT_FOUND = 7;
public static final int VALUE_CORRUPTED = 8;
public static final int UNDEFINED_ACTION = 9;
public static final int WRONG_PASSWORD = 10;
private static final LocalSocketAddress sAddress = new LocalSocketAddress(
"keystore", LocalSocketAddress.Namespace.RESERVED);
private int mError = NO_ERROR;
return new KeyStore();
}
execute('t');
return mError;
}
public byte[]
get(
byte[] key) {
ArrayList<byte[]> values = execute('g', key);
return (values == null || values.isEmpty()) ? null : values.get(0);
}
public String
get(String key) {
byte[] value = get(getBytes(key));
return (value == null) ? null : toString(value);
}
public boolean put(
byte[] key,
byte[] value) {
execute('i', key, value);
return mError == NO_ERROR;
}
public boolean put(String key, String value) {
return put(getBytes(key), getBytes(value));
}
public boolean delete(
byte[] key) {
execute('d', key);
return mError == NO_ERROR;
}
public boolean delete(String key) {
return delete(getBytes(key));
}
execute('e', key);
return mError == NO_ERROR;
}
return contains(getBytes(key));
}
public byte[][]
saw(
byte[] prefix) {
ArrayList<byte[]> values = execute('s', prefix);
return (values == null) ? null : values.toArray(new byte[values.size()][]);
}
public String[]
saw(String prefix) {
byte[][] values = saw(getBytes(prefix));
if (values == null) {
return null;
}
String[] strings = new String[values.length];
for (int i = 0; i < values.length; ++i) {
strings[i] = toString(values[i]);
}
return strings;
}
execute('r');
return mError == NO_ERROR;
}
public boolean password(
byte[] oldPassword,
byte[] newPassword) {
execute('p', oldPassword, newPassword);
return mError == NO_ERROR;
}
public boolean password(String oldPassword, String newPassword) {
return password(getBytes(oldPassword), getBytes(newPassword));
}
public boolean password(
byte[] password) {
return password(password, password);
}
public boolean password(String password) {
return password(getBytes(password));
}
execute('l');
return mError == NO_ERROR;
}
public boolean unlock(
byte[] password) {
execute('u', password);
return mError == NO_ERROR;
}
public boolean unlock(String password) {
return unlock(getBytes(password));
}
return mError;
}
private ArrayList<
byte[]>
execute(
int code,
byte[]... parameters) {
mError = PROTOCOL_ERROR;
for (byte[] parameter : parameters) {
if (parameter == null || parameter.length > 65535) {
return null;
}
}
LocalSocket socket = new LocalSocket();
try {
socket.connect(sAddress);
OutputStream out = socket.getOutputStream();
out.write(code);
for (byte[] parameter : parameters) {
out.write(parameter.length >> 8);
out.write(parameter.length);
out.write(parameter);
}
out.flush();
socket.shutdownOutput();
InputStream in = socket.getInputStream();
if ((code = in.read()) != NO_ERROR) {
if (code != -1) {
mError = code;
}
return null;
}
ArrayList<byte[]> values = new ArrayList<byte[]>();
while (true) {
int i, j;
if ((i = in.read()) == -1) {
break;
}
if ((j = in.read()) == -1) {
return null;
}
byte[] value = new byte[i << 8 | j];
for (i = 0; i < value.length; i += j) {
if ((j = in.read(value, i, value.length - i)) == -1) {
return null;
}
}
values.add(value);
}
mError = NO_ERROR;
return values;
} catch (IOException e) {
} finally {
try {
socket.close();
} catch (IOException e) {}
}
return null;
}
private static byte[]
getBytes(String string) {
try {
return string.getBytes("UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
private static String
toString(
byte[] bytes) {
try {
return new String(bytes, "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
}
