133 lines
3.8 KiB
C
133 lines
3.8 KiB
C
/*
|
|
* Copyright 2001-2016 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
|
|
*/
|
|
|
|
/*
|
|
* Modified by VMS Software, Inc (2016)
|
|
* Eliminate looping through all processes (performance)
|
|
* Add additional randomizations using rand() function
|
|
*/
|
|
|
|
#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>
|
|
# include <efndef>
|
|
# 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 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$_FINALEXC},
|
|
{0, 0} /* zero terminated */
|
|
};
|
|
|
|
int RAND_poll(void)
|
|
{
|
|
|
|
/* determine the number of items in the JPI array */
|
|
|
|
struct items_data_st item_entry;
|
|
int item_entry_count = sizeof(items_data)/sizeof(item_entry);
|
|
|
|
/* Create the JPI itemlist array to hold item_data content */
|
|
|
|
struct {
|
|
short length, code;
|
|
int *buffer;
|
|
int *retlen;
|
|
} item[item_entry_count], *pitem; /* number of entries in items_data */
|
|
|
|
struct items_data_st *pitems_data;
|
|
int data_buffer[(item_entry_count*2)+4]; /* 8 bytes per entry max */
|
|
int iosb[2];
|
|
int sys_time[2];
|
|
int *ptr;
|
|
int i, j ;
|
|
int tmp_length = 0;
|
|
int total_length = 0;
|
|
|
|
pitems_data = items_data;
|
|
pitem = item;
|
|
|
|
|
|
/* Setup itemlist for GETJPI */
|
|
while (pitems_data->length) {
|
|
pitem->length = pitems_data->length;
|
|
pitem->code = pitems_data->code;
|
|
pitem->buffer = &data_buffer[total_length];
|
|
pitem->retlen = 0;
|
|
/* total_length is in longwords */
|
|
total_length += pitems_data->length/4;
|
|
pitems_data++;
|
|
pitem ++;
|
|
}
|
|
pitem->length = pitem->code = 0;
|
|
|
|
/* Fill data_buffer with various info bits from this process */
|
|
/* and twist that data to seed the SSL random number init */
|
|
|
|
if (sys$getjpiw(EFN$C_ENF, NULL, NULL, item, &iosb, 0, 0) == SS$_NORMAL) {
|
|
for (i = 0; i < total_length; i++) {
|
|
sys$gettim((struct _generic_64 *)&sys_time[0]);
|
|
srand(sys_time[0] * data_buffer[0] * data_buffer[1] + i);
|
|
|
|
if (i == (total_length - 1)) { /* for JPI$_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());
|
|
}
|
|
}
|
|
|
|
total_length += (tmp_length - 1);
|
|
|
|
/* size of seed is total_length*4 bytes (64bytes) */
|
|
RAND_add((PTR_T) data_buffer, total_length*4, total_length * 2);
|
|
} else {
|
|
return 0;
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
#endif
|