--- /dev/null
+/* -*-java-*-
+ *
+ * Declarations of C functions
+ *
+ * (c) 2018 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of the Trivial IP Encryption (TrIPE) Android app.
+ *
+ * TrIPE is free software: you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at your
+ * option) any later version.
+ *
+ * TrIPE is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with TrIPE. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package uk.org.distorted.tripe; package object jni {
+
+/*----- Imports -----------------------------------------------------------*/
+
+import java.io.{Closeable, File};
+import java.util.Date;
+import Magic._;
+
+/*----- Main code ---------------------------------------------------------*/
+
+/* Import the native code library. */
+System.loadLibrary("toy");
+
+/* Exception indicating that a wrapped native object has been clobbered. */
+class NativeObjectTypeException(msg: String) extends RuntimeException(msg);
+type Wrapper = Array[Byte];
+
+case class ErrorEntry(val tag: String, val err: Int);
+@native def errtab: Array[ErrorEntry];
+@native def strerror(err: Int): CString;
+
+@native def hashsz(hash: String): Int;
+ /* Return the output hash size for the named HASH function, or -1. */
+
+/* Flags for `close'. */
+val CF_CLOSERD = 1;
+val CF_CLOSEWR = 2;
+val CF_CLOSEMASK = CF_CLOSERD | CF_CLOSEWR;
+
+/* Flags for `lock'. */
+val LKF_EXCL = 1;
+val LKF_WAIT = 2;
+
+/* Flags for `stat'. */
+val S_IFMT = 0xf000;
+val S_IFIFO = 0x1000;
+val S_IFCHR = 0x2000;
+val S_IFDIR = 0x4000;
+val S_IFBLK = 0x6000;
+val S_IFREG = 0x8000;
+val S_IFLNK = 0xa000;
+val S_IFSOCK = 0xc000;
+
+object FileType extends Enumeration {
+ val FIFO, CHR, DIR, BLK, REG, LNK, SOCK, UNK = Value;
+}
+import FileType.{Value => _, _};
+
+class FileInfo private[this](val devMajor: Int, val devMinor: Int,
+ val ino: Long, val mode: Int, val nlink: Int,
+ val uid: Int, val gid: Int,
+ _rdevMinor: Int, _rdevMajor: Int,
+ val size: Long,
+ val blksize: Int, val blocks: Long,
+ val atime: Date, val mtime: Date,
+ val ctime: Date) {
+ def this(devMajor: Int, devMinor: Int, ino: Long,
+ mode: Int, nlink: Int, uid: Int, gid: Int,
+ rdevMinor: Int, rdevMajor: Int,
+ size: Long, blksize: Int, blocks: Long,
+ atime: Long, mtime: Long, ctime: Long) {
+ this(devMajor, devMinor, ino, mode, nlink, uid, gid,
+ rdevMajor, rdevMinor, size, blksize, blocks,
+ new Date(atime), new Date(mtime), new Date(ctime));
+ }
+ def perms: Int = mode&0xfff;
+ def ftype: FileType.Value = (mode&S_IFMT) match {
+ case S_IFIFO => FIFO
+ case S_IFCHR => CHR
+ case S_IFDIR => DIR
+ case S_IFBLK => BLK
+ case S_IFREG => REG
+ case S_IFLNK => LNK
+ case S_IFSOCK => SOCK
+ case _ => UNK
+ }
+ def isfifo: Boolean = ftype == FIFO
+ def ischr: Boolean = ftype == CHR
+ def isdir: Boolean = ftype == DIR
+ def isblk: Boolean = ftype == BLK
+ def isreg: Boolean = ftype == REG
+ def islnk: Boolean = ftype == LNK
+ def issock: Boolean = ftype == SOCK
+ def isdev: Boolean = ischr || isblk;
+ private[this] def mustBeDevice() {
+ if (!isdev) throw new IllegalArgumentException("Object is not a device");
+ }
+ def rdevMajor: Int = { mustBeDevice(); _rdevMajor }
+ def rdevMinor: Int = { mustBeDevice(); _rdevMinor }
+}
+@native protected def unlink(path: CString);
+def unlink(path: String) { unlink(path.toCString); }
+def unlink(file: File) { unlink(file.getPath); }
+@native protected def rmdir(path: CString);
+def rmdir(path: String) { rmdir(path.toCString); }
+def rmdir(file: File) { rmdir(file.getPath); }
+@native protected def mkdir(path: CString, mode: Int);
+def mkdir(path: String, mode: Int) { mkdir(path.toCString, mode); }
+def mkdir(path: String) { mkdir(path, 0x1ff); }
+def mkdir(file: File, mode: Int) { mkdir(file.getPath, mode); }
+def mkdir(file: File) { mkdir(file.getPath); }
+@native protected def mkfile(path: CString, mode: Int);
+def mkfile(path: String, mode: Int) { mkfile(path.toCString, mode); }
+def mkfile(path: String) { mkfile(path, 0x1b6); }
+def mkfile(file: File, mode: Int) { mkfile(file.getPath, mode); }
+def mkfile(file: File) { mkfile(file.getPath); }
+@native protected def rename(from: CString, to: CString);
+def rename(from: String, to: String)
+ { rename(from.toCString, to.toCString); }
+def rename(from: File, to: File)
+ { rename(from.getPath, to.getPath); }
+@native protected def stat(path: CString): FileInfo;
+def stat(path: String): FileInfo = stat(path.toCString);
+def stat(file: File): FileInfo = stat(file.getPath);
+@native protected def lstat(path: CString): FileInfo;
+def lstat(path: String): FileInfo = lstat(path.toCString);
+def lstat(file: File): FileInfo = lstat(file.getPath);
+
+@native protected def opendir(path: CString): Wrapper;
+@native protected def readdir(path: CString, dir: Wrapper): CString;
+@native protected def closedir(path: CString, dir: Wrapper);
+
+abstract class BaseDirIterator[T](cpath: CString)
+ extends LookaheadIterator[T] with Closeable {
+ def this(path: String) { this(path.toCString); }
+ def this(dir: File) { this(dir.getPath); }
+ override def close() { closedir(cpath, dir); }
+ override protected def finalize() { super.finalize(); close(); }
+ private[this] val dir = opendir(cpath);
+ protected def mangle(file: String): T;
+ override protected def fetch(): Option[T] = readdir(cpath, dir) match {
+ case null => None
+ case f => f.toJString match {
+ case "." | ".." => fetch()
+ case jf => Some(mangle(jf))
+ }
+ }
+}
+
+class DirIterator(val path: String) extends BaseDirIterator[String](path) {
+ def this(dir: File) { this(dir.getPath); }
+ override protected def mangle(file: String): String = file;
+}
+def listDir(path: String): List[String] = {
+ val iter = new DirIterator(path);
+ try { iter.toList }
+ finally { iter.close(); }
+}
+def listDir(dir: File): List[String] = listDir(dir.getPath);
+
+class DirFilesIterator private[this](val dir: File, cpath: CString)
+ extends BaseDirIterator[File](cpath) {
+ def this(dir: File) { this(dir, dir.getPath.toCString); }
+ def this(path: String) { this(new File(path), path.toCString); }
+ override protected def mangle(file: String): File = new File(dir, file);
+}
+def listDirFiles(path: String): List[File] = {
+ val iter = new DirFilesIterator(path);
+ try { iter.toList }
+ finally { iter.close(); }
+}
+def listDirFiles(dir: File): List[File] = listDirFiles(dir.getPath);
+
+@native protected def lock(path: CString, flags: Int): Wrapper;
+@native protected def unlock(lock: Wrapper);
+class FileLock(path: String, flags: Int) extends Closeable {
+ def this(file: File, flags: Int) { this(file.getPath, flags); }
+ def this(path: String) { this(path, LKF_EXCL); }
+ def this(file: File) { this(file.getPath, LKF_EXCL); }
+ private[this] val lk = lock(path.toCString, flags);
+ override def close() { unlock(lk); }
+ override protected def finalize() { super.finalize(); close(); }
+}
+def withLock[T](path: String, flags: Int)(body: => T): T = {
+ val lk = new FileLock(path, flags);
+ try { body; } finally { lk.close(); }
+}
+def withLock[T](file: File, flags: Int)(body: => T): T =
+ withLock(file.getPath, flags) { body }
+def withLock[T](path: String)(body: => T): T =
+ withLock(path, LKF_EXCL) { body }
+def withLock[T](file: File)(body: => T): T =
+ withLock(file.getPath, LKF_EXCL) { body }
+
+@native protected def connect(path: CString): Wrapper;
+@native def send(conn: Wrapper, buf: CString,
+ start: Int, len: Int);
+@native def recv(conn: Wrapper, buf: CString,
+ start: Int, len: Int): Int;
+@native def close(conn: Wrapper, how: Int);
+class Connection(path: String) extends Closeable {
+ def this(file: File) { this(file.getPath); }
+ private[this] val conn = connect(path.toCString);
+ override def close() { jni.close(conn, CF_CLOSEMASK); }
+ override protected def finalize() { super.finalize(); close(); }
+ class InputStream private[Connection] extends java.io.InputStream {
+ override def read(): Int = {
+ val buf = new Array[Byte](1);
+ val n = read(buf, 0, 1);
+ if (n < 0) -1 else buf(0)&0xff;
+ }
+ override def read(buf: Array[Byte]): Int =
+ read(buf, 0, buf.length);
+ override def read(buf: Array[Byte], start: Int, len: Int) =
+ recv(conn, buf, start, len);
+ override def close() { jni.close(conn, CF_CLOSERD); }
+ }
+ lazy val input = new InputStream;
+ class OutputStream private[Connection] extends java.io.OutputStream {
+ override def write(b: Int) { write(Array[Byte](b.toByte), 0, 1); }
+ override def write(buf: Array[Byte]) { write(buf, 0, buf.length); }
+ override def write(buf: Array[Byte], start: Int, len: Int)
+ { send(conn, buf, start, len); }
+ override def close() { jni.close(conn, CF_CLOSEWR); }
+ }
+ lazy val output = new OutputStream;
+}
+
+/*----- That's all, folks -------------------------------------------------*/
+
+}
~mdw / tripe-android / blobdiff