Added freeSSHd connection type

src/main/java/com/xebialabs/overthere/ssh/SshConnectionBuilder.java

@@ -508,6 +508,9 @@ public SshConnectionBuilder(String type, ConnectionOptions options, AddressPortM
             case SFTP_WINSSHD:
                 connection = new SshSftpWinSshdConnection(type, options, mapper);
                 break;
+            case SFTP_FREESSHD:
+                connection = new SshSftpFreeSshdConnection(type, options, mapper);
+                break;
             case SCP:
                 connection = new SshScpConnection(type, options, mapper);
                 break;

src/main/java/com/xebialabs/overthere/ssh/SshConnectionType.java

@@ -42,6 +42,11 @@ public enum SshConnectionType {
      */
     SFTP_WINSSHD,
 
+    /**
+     * An SSH connection that uses SFTP to transfer files, to a Windows host running freeSSHd.
+     */
+    SFTP_FREESSHD,
+
     /**
      * An SSH connection that uses SCP to transfer files, to a Unix host.
      */

src/main/java/com/xebialabs/overthere/ssh/SshSftpFreeSshdConnection.java

@@ -0,0 +1,44 @@
+package com.xebialabs.overthere.ssh;
+
+import com.xebialabs.overthere.ConnectionOptions;
+import com.xebialabs.overthere.RuntimeIOException;
+import com.xebialabs.overthere.spi.AddressPortMapper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import static com.xebialabs.overthere.OperatingSystemFamily.WINDOWS;
+import static com.xebialabs.overthere.ssh.SshConnectionBuilder.SSH_PROTOCOL;
+import static com.xebialabs.overthere.util.OverthereUtils.checkArgument;
+import static java.lang.String.format;
+
+public class SshSftpFreeSshdConnection extends SshSftpConnection {
+    private static Logger logger = LoggerFactory.getLogger(SshSftpWinSshdConnection.class);
+
+    public SshSftpFreeSshdConnection(String type, ConnectionOptions options, AddressPortMapper mapper) {
+        super(type, options, mapper);
+        checkArgument(os == WINDOWS, "Cannot create a " + SSH_PROTOCOL + ":%s connection to a host that is not running Windows", sshConnectionType.toString()
+                .toLowerCase());
+    }
+
+    @Override
+    protected String pathToSftpPath(String path) {
+        String translatedPath;
+        boolean escaped = path.startsWith("\"");
+        String rawPath = path;
+        if (escaped) {
+            rawPath = path.substring(1);
+        }
+
+        if (rawPath.length() >= 2 && rawPath.charAt(1) == ':') {
+            String pathInDrive = rawPath.substring(2).replace('\\', '/');
+            translatedPath = "/" + pathInDrive;
+            if (escaped) {
+                translatedPath = "\"" + translatedPath;
+            }
+        } else {
+            throw new RuntimeIOException(format("Cannot translate Windows path [%s] to a FreeSshd path because it is not a Windows path", path));
+        }
+        logger.trace("Translated Windows path [{}] to FreeSshd path [{}]", path, translatedPath);
+        return translatedPath;
+    }
+}