-/* 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.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * 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
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * openssl-core@openssl.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+/*
+ * Copyright 2001-2017 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
-#include <openssl/rand.h>
-#include "rand_lcl.h"
+#include "e_os.h"
#if defined(OPENSSL_SYS_VMS)
+# include <openssl/rand.h>
+# include "rand_lcl.h"
+# include <descrip.h>
+# include <jpidef.h>
+# include <ssdef.h>
+# include <starlet.h>
+# include <efndef>
+# ifdef __DECC
+# pragma message disable DOLLARID
+# endif
-#include <descrip.h>
-#include <jpidef.h>
-#include <ssdef.h>
-#include <starlet.h>
-#ifdef __DECC
-# pragma message disable DOLLARID
-#endif
+# ifndef OPENSSL_RAND_SEED_OS
+# error "Unsupported seeding method configured; must be os"
+# 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
+# define PTR_T void *
+# endif
+
+static struct items_data_st {
+ short length, code; /* length is number of bytes */
+} items_data[] = {
+ {4, JPI$_BUFIO},
+ {4, JPI$_CPUTIM},
+ {4, JPI$_DIRIO},
+ {4, JPI$_IMAGECOUNT},
+ {8, JPI$_LAST_LOGIN_I},
+ {8, JPI$_LOGINTIM},
+ {4, JPI$_PAGEFLTS},
+ {4, JPI$_PID},
+ {4, JPI$_PPGCNT},
+ {4, JPI$_WSPEAK},
+ {4, JPI$_FINALEXC},
+ {0, 0}
+};
+
+int RAND_poll_ex(RAND_poll_cb rand_add, void *arg)
+{
+ /* determine the number of items in the JPI array */
+ struct items_data_st item_entry;
+ int item_entry_count = OSSL_NELEM(items_data);
+ /* Create the JPI itemlist array to hold item_data content */
+ struct {
+ short length, code;
+ int *buffer;
+ int *retlen;
+ } item[item_entry_count], *pitem;
+ struct items_data_st *pitems_data;
+ int data_buffer[(item_entry_count * 2) + 4]; /* 8 bytes per entry max */
+ int iosb[2];
+ int sys_time[2];
+ int *ptr;
+ int i, j ;
+ int tmp_length = 0;
+ int total_length = 0;
+
+ /* Setup itemlist for GETJPI */
+ pitems_data = items_data;
+ for (pitem = item; pitems_data->length != 0; pitem++) {
+ pitem->length = pitems_data->length;
+ pitem->code = pitems_data->code;
+ pitem->buffer = &data_buffer[total_length];
+ pitem->retlen = 0;
+ /* total_length is in longwords */
+ total_length += pitems_data->length / 4;
+ pitems_data++;
+ }
+ pitem->length = pitem->code = 0;
+
+ /* Fill data_buffer with various info bits from this process */
+ if (sys$getjpiw(EFN$C_ENF, NULL, NULL, item, &iosb, 0, 0) != SS$_NORMAL)
+ return 0;
-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$_WSSIZE },
- { 0, 0 }
- };
-
-int RAND_poll(void)
- {
- long pid, iosb[2];
- int status = 0;
- struct
- {
- short length, code;
- long *buffer;
- int *retlen;
- } item[32], *pitem;
- unsigned char data_buffer[256];
- short total_length = 0;
- struct items_data_st *pitems_data;
+ /* Now twist that data to seed the SSL random number init */
+ for (i = 0; i < total_length; i++) {
+ sys$gettim((struct _generic_64 *)&sys_time[0]);
+ srand(sys_time[0] * data_buffer[0] * data_buffer[1] + i);
- pitems_data = items_data;
- pitem = item;
+ if (i == (total_length - 1)) { /* for JPI$_FINALEXC */
+ ptr = &data_buffer[i];
+ for (j = 0; j < 4; j++) {
+ data_buffer[i + j] = ptr[j];
+ /* OK to use rand() just to scramble the seed */
+ data_buffer[i + j] ^= (sys_time[0] ^ rand());
+ tmp_length++;
+ }
+ } else {
+ /* OK to use rand() just to scramble the seed */
+ data_buffer[i] ^= (sys_time[0] ^ rand());
+ }
+ }
- /* Setup */
- while (pitems_data->length)
- {
- pitem->length = pitems_data->length;
- pitem->code = pitems_data->code;
- pitem->buffer = (long *)data_buffer[total_length];
- pitem->retlen = 0;
- total_length += pitems_data->length;
- }
- pitem->length = pitem->code = 0;
+ total_length += (tmp_length - 1);
- /*
- * Scan through all the processes in the system and add entropy with
- * results from the processes that were possible to look at.
- * However, view the information as only half trustable.
- */
- pid = -1; /* search context */
- while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0))
- != SS$_NOMOREPROC)
- {
- if (status == SS$_NORMAL)
- {
- RAND_add(data_buffer, total_length, total_length/2);
- }
- }
- sys$gettim(iosb);
- RAND_add((unsigned char *)iosb, sizeof(iosb), sizeof(iosb)/2);
- return 1;
+ /* size of seed is total_length*4 bytes (64bytes) */
+ rand_add(arg, (PTR_T)data_buffer, total_length * 4, total_length * 2);
+ return 1;
}
#endif
projects / openssl.git / blobdiff