Import controller class from spice-xpi

4 files changed, 353 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1345b91..32c1785 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,3 +41,7 @@ include_platform()
 find_package(PkgConfig)
 pkg_check_modules(SPICE_PROTOCOL spice-protocol)
 include_directories(${SPICE_PROTOCOL_INCLUDE_DIRS})
+
+pkg_check_modules(GLIB2 glib-2.0)
+include_directories(${GLIB2})
+target_link_libraries (${PLUGIN_NAME} ${GLIB2_LIBRARIES})
diff --git a/controller.cpp b/controller.cpp
new file mode 100644
index 0000000..b912c27
--- /dev/null
+++ b/controller.cpp
@@ -0,0 +1,192 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ *   The contents of this file are subject to the Mozilla Public License Version
+ *   1.1 (the "License"); you may not use this file except in compliance with
+ *   the License. You may obtain a copy of the License at
+ *   http://www.mozilla.org/MPL/
+ *
+ *   Software distributed under the License is distributed on an "AS IS" basis,
+ *   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ *   for the specific language governing rights and limitations under the
+ *   License.
+ *
+ *   Copyright 2009-2011, Red Hat Inc.
+ *   Based on mozilla.org's scriptable plugin example
+ *
+ *   The Original Code is mozilla.org code.
+ *
+ *   The Initial Developer of the Original Code is
+ *   Netscape Communications Corporation.
+ *   Portions created by the Initial Developer are Copyright (C) 1998
+ *   the Initial Developer. All Rights Reserved.
+ *
+ *   Contributor(s):
+ *   Uri Lublin
+ *   Martin Stransky
+ *   Peter Hatina
+ *
+ *   Alternatively, the contents of this file may be used under the terms of
+ *   either the GNU General Public License Version 2 or later (the "GPL"), or
+ *   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ *   in which case the provisions of the GPL or the LGPL are applicable instead
+ *   of those above. If you wish to allow use of your version of this file only
+ *   under the terms of either the GPL or the LGPL, and not to allow others to
+ *   use your version of this file under the terms of the MPL, indicate your
+ *   decision by deleting the provisions above and replace them with the notice
+ *   and other provisions required by the GPL or the LGPL. If you do not delete
+ *   the provisions above, a recipient may use your version of this file under
+ *   the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+#include <cerrno>
+#include <glib.h>
+
+extern "C" {
+#  include <stdint.h>
+#  include <unistd.h>
+#  include <fcntl.h>
+#  include <sys/socket.h>
+#  include <sys/un.h>
+}
+
+#include "rederrorcodes.h"
+#include "controller.h"
+
+SpiceController::SpiceController():
+    m_client_socket(-1)
+{
+}
+
+SpiceController::SpiceController(const std::string &name):
+    m_client_socket(-1),
+    m_name(name)
+{
+}
+
+SpiceController::~SpiceController()
+{
+    g_debug(G_STRFUNC);
+    Disconnect();
+}
+
+void SpiceController::SetFilename(const std::string &name)
+{
+    m_name = name;
+}
+
+int SpiceController::Connect()
+{
+    // check, if we have a filename for socket to create
+    if (m_name.empty())
+        return -1;
+
+    if (m_client_socket == -1)
+    {
+        if ((m_client_socket = socket(AF_UNIX, SOCK_STREAM, 0)) == -1)
+        {
+            g_critical("controller socket: %s", g_strerror(errno));
+            return -1;
+        }
+    }
+
+    struct sockaddr_un remote;
+    remote.sun_family = AF_UNIX;
+    if (m_name.length() + 1 > sizeof(remote.sun_path))
+        return -1;
+    strcpy(remote.sun_path, m_name.c_str());
+
+    int rc = connect(m_client_socket, (struct sockaddr *) &remote, strlen(remote.sun_path) + sizeof(remote.sun_family));
+    if (rc == -1)
+    {
+        g_critical("controller connect: %s", g_strerror(errno));
+    }
+    else
+    {
+        g_debug("controller connected");
+    }
+
+    return rc;
+}
+
+int SpiceController::Connect(const int nRetries)
+{
+    int rc = -1;
+    int sleep_time = 0;
+
+    // try to connect for specified count
+    for (int i = 0; rc != 0 && i < nRetries; ++i)
+    {
+        rc = Connect();
+        sleep(sleep_time);
+        ++sleep_time;
+    }
+
+    return rc;
+}
+
+void SpiceController::Disconnect()
+{
+    // close the socket
+    close(m_client_socket);
+    m_client_socket = -1;
+
+    // delete the temporary file, which is used for the socket
+    unlink(m_name.c_str());
+    m_name.clear();
+}
+
+uint32_t SpiceController::Write(const void *lpBuffer, uint32_t nBytesToWrite)
+{
+    ssize_t len = send(m_client_socket, lpBuffer, nBytesToWrite, 0);
+
+    if (len != (ssize_t)nBytesToWrite)
+    {
+        g_warning("incomplete send, bytes to write = %u, bytes written = %zd: %s",
+                  nBytesToWrite, len, g_strerror(errno));
+    }
+
+    return len;
+}
+
+int SpiceController::TranslateRC(int nRC)
+{
+    switch (nRC)
+    {
+    case SPICEC_ERROR_CODE_SUCCESS:
+        return 0;
+
+    case SPICEC_ERROR_CODE_GETHOSTBYNAME_FAILED:
+        return RDP_ERROR_CODE_HOST_NOT_FOUND;
+
+    case SPICEC_ERROR_CODE_CONNECT_FAILED:
+        return RDP_ERROR_CODE_WINSOCK_CONNECT_FAILED;
+
+    case SPICEC_ERROR_CODE_ERROR:
+    case SPICEC_ERROR_CODE_SOCKET_FAILED:
+        return RDP_ERROR_CODE_INTERNAL_ERROR;
+
+    case SPICEC_ERROR_CODE_RECV_FAILED:
+        return RDP_ERROR_RECV_WINSOCK_FAILED;
+
+    case SPICEC_ERROR_CODE_SEND_FAILED:
+        return RDP_ERROR_SEND_WINSOCK_FAILED;
+
+    case SPICEC_ERROR_CODE_NOT_ENOUGH_MEMORY:
+        return RDP_ERROR_CODE_OUT_OF_MEMORY;
+
+    case SPICEC_ERROR_CODE_AGENT_TIMEOUT:
+        return RDP_ERROR_CODE_TIMEOUT;
+
+    case SPICEC_ERROR_CODE_AGENT_ERROR:
+        return RDP_ERROR_CODE_INTERNAL_ERROR;
+
+    default:
+        return RDP_ERROR_CODE_INTERNAL_ERROR;
+    }
+}
+
diff --git a/controller.h b/controller.h
new file mode 100644
index 0000000..07c04c7
--- /dev/null
+++ b/controller.h
@@ -0,0 +1,87 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ *   The contents of this file are subject to the Mozilla Public License Version
+ *   1.1 (the "License"); you may not use this file except in compliance with
+ *   the License. You may obtain a copy of the License at
+ *   http://www.mozilla.org/MPL/
+ *
+ *   Software distributed under the License is distributed on an "AS IS" basis,
+ *   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ *   for the specific language governing rights and limitations under the
+ *   License.
+ *
+ *   Copyright 2009-2011, Red Hat Inc.
+ *   Based on mozilla.org's scriptable plugin example
+ *
+ *   The Original Code is mozilla.org code.
+ *
+ *   The Initial Developer of the Original Code is
+ *   Netscape Communications Corporation.
+ *   Portions created by the Initial Developer are Copyright (C) 1998
+ *   the Initial Developer. All Rights Reserved.
+ *
+ *   Contributor(s):
+ *   Uri Lublin
+ *   Martin Stransky
+ *   Peter Hatina
+ *
+ *   Alternatively, the contents of this file may be used under the terms of
+ *   either the GNU General Public License Version 2 or later (the "GPL"), or
+ *   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ *   in which case the provisions of the GPL or the LGPL are applicable instead
+ *   of those above. If you wish to allow use of your version of this file only
+ *   under the terms of either the GPL or the LGPL, and not to allow others to
+ *   use your version of this file under the terms of the MPL, indicate your
+ *   decision by deleting the provisions above and replace them with the notice
+ *   and other provisions required by the GPL or the LGPL. If you do not delete
+ *   the provisions above, a recipient may use your version of this file under
+ *   the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef SPICE_CONTROLLER_H
+#define SPICE_CONTROLLER_H
+
+/*
+    Basic assumption:
+    ------------------
+    Cross platform compatible.
+    Easy to transform into remote process communication
+    Secured
+
+    chosen:
+        Unix - Unix Domain Sockets (easy to change into regular sockets for remote communication)
+        Windows - Named pipe (which allows remote access and is duplex
+            (rather than anonymous pipe which is local only and one way)
+*/
+
+#include <string>
+extern "C" {
+#  include <stdint.h>
+#  include <limits.h>
+}
+
+#include <spice/controller_prot.h>
+
+class SpiceController
+{
+public:
+    SpiceController();
+    SpiceController(const std::string &name);
+    ~SpiceController();
+
+    void SetFilename(const std::string &name);
+    int Connect();
+    int Connect(int nRetries);
+    void Disconnect();
+    uint32_t Write(const void *lpBuffer, uint32_t nBytesToWrite);
+
+    static int TranslateRC(int nRC);
+
+private:
+    int m_client_socket;
+    std::string m_name;
+};
+
+#endif // SPICE_CONTROLLER_H
diff --git a/rederrorcodes.h b/rederrorcodes.h
new file mode 100644
index 0000000..1e3cca2
--- /dev/null
+++ b/rederrorcodes.h
@@ -0,0 +1,70 @@
+/* ***** BEGIN LICENSE BLOCK *****
+ *   Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ *   The contents of this file are subject to the Mozilla Public License Version
+ *   1.1 (the "License"); you may not use this file except in compliance with
+ *   the License. You may obtain a copy of the License at
+ *   http://www.mozilla.org/MPL/
+ *
+ *   Software distributed under the License is distributed on an "AS IS" basis,
+ *   WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ *   for the specific language governing rights and limitations under the
+ *   License.
+ *
+ *   Copyright 2009-2011, Red Hat Inc.
+ *   Based on mozilla.org's scriptable plugin example
+ *
+ *   The Original Code is mozilla.org code.
+ *
+ *   The Initial Developer of the Original Code is
+ *   Netscape Communications Corporation.
+ *   Portions created by the Initial Developer are Copyright (C) 1998
+ *   the Initial Developer. All Rights Reserved.
+ *
+ *   Contributor(s):
+ *   Uri Lublin
+ *   Peter Hatina
+ *
+ *   Alternatively, the contents of this file may be used under the terms of
+ *   either the GNU General Public License Version 2 or later (the "GPL"), or
+ *   the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ *   in which case the provisions of the GPL or the LGPL are applicable instead
+ *   of those above. If you wish to allow use of your version of this file only
+ *   under the terms of either the GPL or the LGPL, and not to allow others to
+ *   use your version of this file under the terms of the MPL, indicate your
+ *   decision by deleting the provisions above and replace them with the notice
+ *   and other provisions required by the GPL or the LGPL. If you do not delete
+ *   the provisions above, a recipient may use your version of this file under
+ *   the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#ifndef RED_ERROR_CODES_H
+#define RED_ERROR_CODES_H
+
+#define SPICEC_ERROR_CODE_SUCCESS                 (0)
+#define SPICEC_ERROR_CODE_ERROR                   (-1)
+#define SPICEC_ERROR_CODE_GETHOSTBYNAME_FAILED    (-2)
+#define SPICEC_ERROR_CODE_CONNECT_FAILED          (-3)
+#define SPICEC_ERROR_CODE_SOCKET_FAILED           (-4)
+#define SPICEC_ERROR_CODE_SEND_FAILED             (-5)
+#define SPICEC_ERROR_CODE_RECV_FAILED             (-6)
+#define SPICEC_ERROR_CODE_SSL_ERROR               (-7)
+#define SPICEC_ERROR_CODE_NOT_ENOUGH_MEMORY       (-8)
+#define SPICEC_ERROR_CODE_AGENT_TIMEOUT           (-9)
+#define SPICEC_ERROR_CODE_AGENT_ERROR             (-10)
+#define SPICEC_ERROR_CODE_VERSION_MISMATCH        (-11)
+#define SPICEC_ERROR_CODE_PERMISSION_DENIED       (-12)
+
+// http://msdn.microsoft.com/en-us/library/aa911976.aspx
+#define RDP_ERROR_CODE_LOCAL_DISCONNECTION        (1)
+#define RDP_ERROR_CODE_DNS_LOOKUP_FAILED          (260)
+#define RDP_ERROR_CODE_OUT_OF_MEMORY              (262)
+#define RDP_ERROR_CODE_WINSOCK_CONNECT_FAILED     (516)
+#define RDP_ERROR_CODE_HOST_NOT_FOUND             (520)
+#define RDP_ERROR_CODE_INTERNAL_ERROR             (1032)
+#define RDP_ERROR_RECV_WINSOCK_FAILED             (1028)
+#define RDP_ERROR_SEND_WINSOCK_FAILED             (772)
+#define RDP_ERROR_CODE_TIMEOUT                    (1796)
+
+#endif // RED_ERROR_CODES_H