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-rw-r--r--sunrpc/key_call.c87
1 files changed, 84 insertions, 3 deletions
diff --git a/sunrpc/key_call.c b/sunrpc/key_call.c
index 0219eaf5ad..0aa49cc78a 100644
--- a/sunrpc/key_call.c
+++ b/sunrpc/key_call.c
@@ -32,8 +32,8 @@
 
 /*
  * The original source is from the RPCSRC 4.0 package from Sun Microsystems.
- * The Interface to keyserver protocoll 2 was added by
- * Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
+ * The Interface to keyserver protocoll 2, RPC over AF_UNIX und Linux/doors
+ * was added by Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
  */
 
 #include <stdio.h>
@@ -50,6 +50,10 @@
 #include <rpc/key_prot.h>
 #include <bits/libc-lock.h>
 
+#ifdef HAVE_DOORS
+# include "door/door.h"
+#endif
+
 #define KEY_TIMEOUT	5	/* per-try timeout in seconds */
 #define KEY_NRETRY	12	/* number of retries */
 
@@ -479,13 +483,82 @@ key_call_socket (u_long proc, xdrproc_t xdr_arg, char *arg,
   return result;
 }
 
-/* returns  0 on failure, 1 on success */
+#ifdef HAVE_DOORS
+/* returns 0 on failure, 1 on success */
+static int
+internal_function
+key_call_door (u_long proc, xdrproc_t xdr_arg, char *arg,
+	       xdrproc_t xdr_rslt, char *rslt)
+{
+  XDR xdrs;
+  int fd;
+  door_arg_t args;
+  char *data_ptr;
+  u_long data_len = 0;
+  char res[255];
+
+  if ((fd = open("/var/run/keyservdoor", O_RDONLY)) < 0)
+    return 0;
+  res[0] = 0;
+
+  data_len = xdr_sizeof (xdr_arg, arg);
+  data_ptr = calloc (1, data_len + 2 * sizeof (u_long));
+  if (data_ptr == NULL)
+    return 0;
+
+  xdrmem_create (&xdrs, &data_ptr[2 * sizeof (u_long)], data_len, XDR_ENCODE);
+  if (!xdr_arg (&xdrs, arg))
+    {
+      xdr_destroy (&xdrs);
+      free (data_ptr);
+      return 0;
+    }
+  xdr_destroy (&xdrs);
+
+  memcpy (data_ptr, &proc, sizeof (u_long));
+  memcpy (&data_ptr[sizeof (proc)], &data_len, sizeof (u_long));
+
+  args.data_ptr = data_ptr;
+  args.data_size = data_len + 2 * sizeof (u_long);
+  args.desc_ptr = NULL;
+  args.desc_num = 0;
+  args.rbuf = res;
+  args.rsize = sizeof (res);
+
+  if (__door_call (fd, &args) < 0)
+    return 0;
+
+  free (data_ptr);
+  close (fd);
+
+  memcpy (&data_len, args.data_ptr, sizeof (u_long));
+  if (data_len != 0)
+    return 0;
+
+  memcpy (&data_len, &args.data_ptr[sizeof (u_long)], sizeof (u_long));
+  xdrmem_create (&xdrs, &args.data_ptr[2 * sizeof (u_long)],
+                 data_len, XDR_DECODE);
+  if (!xdr_rslt (&xdrs, rslt))
+    {
+      xdr_destroy (&xdrs);
+      return 0;
+    }
+  xdr_destroy (&xdrs);
+
+  return 1;
+}
+#endif
+
+/* returns 0 on failure, 1 on success */
 static int
 internal_function
 key_call (u_long proc, xdrproc_t xdr_arg, char *arg,
 	  xdrproc_t xdr_rslt, char *rslt)
 {
   static int use_keyenvoy = 0;
+#ifdef HAVE_DOORS
+  static int use_doors = 1;
+#endif
 
   if (proc == KEY_ENCRYPT_PK && __key_encryptsession_pk_LOCAL)
     {
@@ -509,6 +582,14 @@ key_call (u_long proc, xdrproc_t xdr_arg, char *arg,
       return 1;
     }
 
+#ifdef HAVE_DOORS
+  if (use_doors)
+    {
+      if (key_call_door (proc, xdr_arg, arg, xdr_rslt, rslt))
+	return 1;
+      use_doors = 0;
+    }
+#endif
   if (!use_keyenvoy)
     {
       if (key_call_socket (proc, xdr_arg, arg, xdr_rslt, rslt))