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73986238 | 1 | /* crypto/rand/rand_vms.c -*- mode:C; c-file-style: "eay" -*- */ |
0f113f3e MC |
2 | /* |
3 | * Written by Richard Levitte <richard@levitte.org> for the OpenSSL project | |
4 | * 2000. | |
0c61e299 RL |
5 | */ |
6 | /* ==================================================================== | |
7 | * Copyright (c) 1998-2000 The OpenSSL Project. All rights reserved. | |
8 | * | |
9 | * Redistribution and use in source and binary forms, with or without | |
10 | * modification, are permitted provided that the following conditions | |
11 | * are met: | |
12 | * | |
13 | * 1. Redistributions of source code must retain the above copyright | |
0f113f3e | 14 | * notice, this list of conditions and the following disclaimer. |
0c61e299 RL |
15 | * |
16 | * 2. Redistributions in binary form must reproduce the above copyright | |
17 | * notice, this list of conditions and the following disclaimer in | |
18 | * the documentation and/or other materials provided with the | |
19 | * distribution. | |
20 | * | |
21 | * 3. All advertising materials mentioning features or use of this | |
22 | * software must display the following acknowledgment: | |
23 | * "This product includes software developed by the OpenSSL Project | |
24 | * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" | |
25 | * | |
26 | * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to | |
27 | * endorse or promote products derived from this software without | |
28 | * prior written permission. For written permission, please contact | |
29 | * openssl-core@openssl.org. | |
30 | * | |
31 | * 5. Products derived from this software may not be called "OpenSSL" | |
32 | * nor may "OpenSSL" appear in their names without prior written | |
33 | * permission of the OpenSSL Project. | |
34 | * | |
35 | * 6. Redistributions of any form whatsoever must retain the following | |
36 | * acknowledgment: | |
37 | * "This product includes software developed by the OpenSSL Project | |
38 | * for use in the OpenSSL Toolkit (http://www.openssl.org/)" | |
39 | * | |
40 | * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY | |
41 | * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
42 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
43 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR | |
44 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
45 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
46 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
47 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
49 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
50 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
51 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
52 | * ==================================================================== | |
53 | * | |
54 | * This product includes cryptographic software written by Eric Young | |
55 | * (eay@cryptsoft.com). This product includes software written by Tim | |
56 | * Hudson (tjh@cryptsoft.com). | |
57 | * | |
58 | */ | |
59 | ||
60 | #include <openssl/rand.h> | |
61 | #include "rand_lcl.h" | |
62 | ||
bc36ee62 | 63 | #if defined(OPENSSL_SYS_VMS) |
0c61e299 | 64 | |
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65 | # include <descrip.h> |
66 | # include <jpidef.h> | |
67 | # include <ssdef.h> | |
68 | # include <starlet.h> | |
69 | # ifdef __DECC | |
70 | # pragma message disable DOLLARID | |
71 | # endif | |
0c61e299 | 72 | |
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73 | /* |
74 | * Use 32-bit pointers almost everywhere. Define the type to which to cast a | |
75 | * pointer passed to an external function. | |
537c9823 | 76 | */ |
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77 | # if __INITIAL_POINTER_SIZE == 64 |
78 | # define PTR_T __void_ptr64 | |
79 | # pragma pointer_size save | |
80 | # pragma pointer_size 32 | |
81 | # else /* __INITIAL_POINTER_SIZE == 64 */ | |
82 | # define PTR_T void * | |
83 | # endif /* __INITIAL_POINTER_SIZE == 64 [else] */ | |
84 | ||
85 | static struct items_data_st { | |
86 | short length, code; /* length is amount of bytes */ | |
87 | } items_data[] = { | |
88 | { | |
89 | 4, JPI$_BUFIO | |
90 | }, | |
91 | { | |
92 | 4, JPI$_CPUTIM | |
93 | }, | |
94 | { | |
95 | 4, JPI$_DIRIO | |
96 | }, | |
97 | { | |
98 | 8, JPI$_LOGINTIM | |
99 | }, | |
100 | { | |
101 | 4, JPI$_PAGEFLTS | |
102 | }, | |
103 | { | |
104 | 4, JPI$_PID | |
105 | }, | |
106 | { | |
107 | 4, JPI$_WSSIZE | |
108 | }, | |
109 | { | |
110 | 0, 0 | |
111 | } | |
112 | }; | |
537c9823 | 113 | |
0c61e299 | 114 | int RAND_poll(void) |
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115 | { |
116 | long pid, iosb[2]; | |
117 | int status = 0; | |
118 | struct { | |
119 | short length, code; | |
120 | long *buffer; | |
121 | int *retlen; | |
122 | } item[32], *pitem; | |
123 | unsigned char data_buffer[256]; | |
124 | short total_length = 0; | |
125 | struct items_data_st *pitems_data; | |
73986238 | 126 | |
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127 | pitems_data = items_data; |
128 | pitem = item; | |
73986238 | 129 | |
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130 | /* Setup */ |
131 | while (pitems_data->length && (total_length + pitems_data->length <= 256)) { | |
132 | pitem->length = pitems_data->length; | |
133 | pitem->code = pitems_data->code; | |
134 | pitem->buffer = (long *)&data_buffer[total_length]; | |
135 | pitem->retlen = 0; | |
136 | total_length += pitems_data->length; | |
137 | pitems_data++; | |
138 | pitem ++; | |
139 | } | |
140 | pitem->length = pitem->code = 0; | |
73986238 | 141 | |
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142 | /* |
143 | * Scan through all the processes in the system and add entropy with | |
144 | * results from the processes that were possible to look at. | |
145 | * However, view the information as only half trustable. | |
146 | */ | |
147 | pid = -1; /* search context */ | |
148 | while ((status = sys$getjpiw(0, &pid, 0, item, iosb, 0, 0)) | |
149 | != SS$_NOMOREPROC) { | |
150 | if (status == SS$_NORMAL) { | |
151 | RAND_add((PTR_T) data_buffer, total_length, total_length / 2); | |
152 | } | |
153 | } | |
154 | sys$gettim(iosb); | |
155 | RAND_add((PTR_T) iosb, sizeof(iosb), sizeof(iosb) / 2); | |
156 | return 1; | |
0c61e299 RL |
157 | } |
158 | ||
159 | #endif |