-/* crypto/rand/rand_vms.c */
-/* Written by Richard Levitte <richard@levitte.org> for the OpenSSL
- * project 2000.
+/* crypto/rand/rand_vms.c -*- mode:C; c-file-style: "eay" -*- */
+/*
+ * Written by Richard Levitte <richard@levitte.org> for the OpenSSL project
+ * 2000.
*/
/* ====================================================================
* Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved.
* are met:
*
* 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
+ * notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
#if defined(OPENSSL_SYS_VMS)
-/* For now, this does nothing. I'm searching for a good random device,
- then we'll see. */
+# include <descrip.h>
+# include <jpidef.h>
+# include <ssdef.h>
+# include <starlet.h>
+# ifdef __DECC
+# pragma message disable DOLLARID
+# endif
+
+/*
+ * Use 32-bit pointers almost everywhere. Define the type to which to cast a
+ * pointer passed to an external function.
+ */
+# if __INITIAL_POINTER_SIZE == 64
+# define PTR_T __void_ptr64
+# pragma pointer_size save
+# pragma pointer_size 32
+# else /* __INITIAL_POINTER_SIZE == 64 */
+# define PTR_T void *
+# endif /* __INITIAL_POINTER_SIZE == 64 [else] */
+
+static struct items_data_st {
+ short length, code; /* length is amount of bytes */
+} items_data[] = {
+ {
+ 4, JPI$_BUFIO
+ },
+ {
+ 4, JPI$_CPUTIM
+ },
+ {
+ 4, JPI$_DIRIO
+ },
+ {
+ 8, JPI$_LOGINTIM
+ },
+ {
+ 4, JPI$_PAGEFLTS
+ },
+ {
+ 4, JPI$_PID
+ },
+ {
+ 4, JPI$_WSSIZE
+ },
+ {
+ 0, 0
+ }
+};
int RAND_poll(void)
{
- return 0;
+ long pid, iosb[2];
+ int status = 0;
+ struct {
+ short length, code;
+ long *buffer;
+ int *retlen;
+ } item[32], *pitem;
+ unsigned char data_buffer[256];
+ short total_length = 0;
+ struct items_data_st *pitems_data;
+
+ pitems_data = items_data;
+ pitem = item;
+
+ /* Setup */
+ while (pitems_data->length && (total_length + pitems_data->length <= 256)) {
+ pitem->length = pitems_data->length;
+ pitem->code = pitems_data->code;
+ pitem->buffer = (long *)&data_buffer[total_length];
+ pitem->retlen = 0;
+ total_length += pitems_data->length;
+ pitems_data++;
+ pitem ++;
+ }
+ pitem->length = pitem->code = 0;
+
+ /*
+ * Scan through all the processes in the system and add entropy with
+ * results from the processes that were possible to look at.
+ * However, view the information as only half trustable.
+ */
+ pid = -1; /* search context */
+ while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0))
+ != SS$_NOMOREPROC) {
+ if (status == SS$_NORMAL) {
+ RAND_add((PTR_T) data_buffer, total_length, total_length / 2);
+ }
+ }
+ sys$gettim(iosb);
+ RAND_add((PTR_T) iosb, sizeof(iosb), sizeof(iosb) / 2);
+ return 1;
}
#endif