New commands: swapon-*, swapoff-*, mkswap-file.

[libguestfs.git] / daemon / swap.c

diff --git a/daemon/swap.c b/daemon/swap.c
index faed7f6..db93e57 100644 (file)
--- a/daemon/swap.c
+++ b/daemon/swap.c
@@ -33,8 +33,6 @@ mkswap (char *device, const char *flag, const char *value)
   char *err;
   int r;
 
-  IS_DEVICE (device, -1);
-
   if (!flag)
     r = command (NULL, &err, "/sbin/mkswap", device, NULL);
   else
@@ -54,17 +52,145 @@ mkswap (char *device, const char *flag, const char *value)
 int
 do_mkswap (char *device)
 {
+  IS_DEVICE (device, -1);
+
   return mkswap (device, NULL, NULL);
 }
 
 int
 do_mkswap_L (char *label, char *device)
 {
+  IS_DEVICE (device, -1);
+
   return mkswap (device, "-L", label);
 }
 
 int
 do_mkswap_U (char *uuid, char *device)
 {
+  IS_DEVICE (device, -1);
+
   return mkswap (device, "-U", uuid);
 }
+
+int
+do_mkswap_file (char *path)
+{
+  char *buf;
+  int r;
+
+  NEED_ROOT (-1);
+  ABS_PATH (path, -1);
+
+  buf = sysroot_path (path);
+  if (!buf) {
+    reply_with_perror ("malloc");
+    return -1;
+  }
+
+  r = mkswap (buf, NULL, NULL);
+  free (buf);
+  return r;
+}
+
+static int
+swaponoff (const char *cmd, const char *flag, const char *value)
+{
+  char *err;
+  int r;
+
+  if (!flag)
+    r = command (NULL, &err, cmd, value, NULL);
+  else
+    r = command (NULL, &err, cmd, flag, value, NULL);
+
+  if (r == -1) {
+    reply_with_error ("%s: %s: %s", cmd, value, err);
+    free (err);
+    return -1;
+  }
+
+  free (err);
+
+  return 0;
+}
+
+int
+do_swapon_device (char *device)
+{
+  IS_DEVICE (device, -1);
+
+  return swaponoff ("/sbin/swapon", NULL, device);
+}
+
+int
+do_swapoff_device (char *device)
+{
+  IS_DEVICE (device, -1);
+
+  return swaponoff ("/sbin/swapoff", NULL, device);
+}
+
+int
+do_swapon_file (char *path)
+{
+  char *buf;
+  int r;
+
+  NEED_ROOT (-1);
+  ABS_PATH (path, -1);
+
+  buf = sysroot_path (path);
+  if (!buf) {
+    reply_with_perror ("malloc");
+    return -1;
+  }
+
+  r = swaponoff ("/sbin/swapon", NULL, buf);
+  free (buf);
+  return r;
+}
+
+int
+do_swapoff_file (char *path)
+{
+  char *buf;
+  int r;
+
+  NEED_ROOT (-1);
+  ABS_PATH (path, -1);
+
+  buf = sysroot_path (path);
+  if (!buf) {
+    reply_with_perror ("malloc");
+    return -1;
+  }
+
+  r = swaponoff ("/sbin/swapoff", NULL, buf);
+  free (buf);
+  return r;
+}
+
+int
+do_swapon_label (char *label)
+{
+  return swaponoff ("/sbin/swapon", "-L", label);
+}
+
+int
+do_swapoff_label (char *label)
+{
+  return swaponoff ("/sbin/swapoff", "-L", label);
+}
+
+int
+do_swapon_uuid (char *uuid)
+{
+  return swaponoff ("/sbin/swapon", "-U", uuid);
+}
+
+int
+do_swapoff_uuid (char *uuid)
+{
+  return swaponoff ("/sbin/swapoff", "-U", uuid);
+}