1 files changed, 116 insertions, 0 deletions
diff --git a/g13/be-dmcrypt.c b/g13/be-dmcrypt.c
new file mode 100644
index 0000000..59b586d
--- /dev/null
+++ b/g13/be-dmcrypt.c
@@ -0,0 +1,116 @@
+/* be-dmcrypt.c - The DM-Crypt based backend
+ * Copyright (C) 2015 Werner Koch
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG 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.
+ *
+ * GnuPG 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 this program; if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include "g13.h"
+#include "../common/i18n.h"
+#include "keyblob.h"
+#include "call-syshelp.h"
+#include "be-dmcrypt.h"
+
+
+/* Create the container using the current device.
+ * information in TUPLES. */
+gpg_error_t
+be_dmcrypt_create_container (ctrl_t ctrl)
+{
+  gpg_error_t err;
+
+  err = call_syshelp_run_create (ctrl, CONTTYPE_DM_CRYPT);
+
+  return err;
+}
+
+
+/* Mount the container described by the filename FNAME and the keyblob
+ * information in TUPLES.  On success the runner id is stored at R_ID. */
+gpg_error_t
+be_dmcrypt_mount_container (ctrl_t ctrl,
+                            const char *fname, const char *mountpoint,
+                            tupledesc_t tuples)
+{
+  gpg_error_t err;
+
+  err = call_syshelp_set_device (ctrl, fname);
+  if (err)
+    goto leave;
+
+  err = call_syshelp_run_mount (ctrl, CONTTYPE_DM_CRYPT, mountpoint, tuples);
+
+ leave:
+  return err;
+}
+
+
+/* Unmount the container described by the filename FNAME.  */
+gpg_error_t
+be_dmcrypt_umount_container (ctrl_t ctrl, const char *fname)
+{
+  gpg_error_t err;
+
+  err = call_syshelp_set_device (ctrl, fname);
+  if (err)
+    goto leave;
+
+  err = call_syshelp_run_umount (ctrl, CONTTYPE_DM_CRYPT);
+
+ leave:
+  return err;
+}
+
+
+/* Suspend the container described by the filename FNAME.  */
+gpg_error_t
+be_dmcrypt_suspend_container (ctrl_t ctrl, const char *fname)
+{
+  gpg_error_t err;
+
+  err = call_syshelp_set_device (ctrl, fname);
+  if (err)
+    goto leave;
+
+  err = call_syshelp_run_suspend (ctrl, CONTTYPE_DM_CRYPT);
+
+ leave:
+  return err;
+}
+
+
+/* Resume the container described by the filename FNAME and the keyblob
+ * information in TUPLES.  */
+gpg_error_t
+be_dmcrypt_resume_container (ctrl_t ctrl, const char *fname, tupledesc_t tuples)
+{
+  gpg_error_t err;
+
+  err = call_syshelp_set_device (ctrl, fname);
+  if (err)
+    goto leave;
+
+  err = call_syshelp_run_resume (ctrl, CONTTYPE_DM_CRYPT, tuples);
+
+ leave:
+  return err;
+}