1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* 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).
*
*/
#include <openssl/rand.h>
#include "rand_lcl.h"
#if defined(OPENSSL_SYS_VMS)
#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$_WSSIZE },
{ 0, 0 }
};
int RAND_poll(void)
{
long pid, iosb[2];
int status = 0;
struct
{
short length, code;
long *buffer;
int *retlen;
} item[32], *pitem;
unsigned char data_buffer[256];
short total_length = 0;
struct items_data_st *pitems_data;
pitems_data = items_data;
pitem = item;
/* Setup */
while (pitems_data->length
&& (total_length + pitems_data->length <= 256))
{
pitem->length = pitems_data->length;
pitem->code = pitems_data->code;
pitem->buffer = (long *)&data_buffer[total_length];
pitem->retlen = 0;
total_length += pitems_data->length;
pitems_data++;
pitem++;
}
pitem->length = pitem->code = 0;
/*
* Scan through all the processes in the system and add entropy with
* results from the processes that were possible to look at.
* However, view the information as only half trustable.
*/
pid = -1; /* search context */
while ((status = sys$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
|
