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/*
* Copyright (C) 2002 Michel Arboi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Random generator helper functions
*/
#define EXPORTING
#include <includes.h>
#include <stdio.h>
#include <stdlib.h>
/*
* If the libc does not provide [ls]rand48, we use [s]rand() instead.
*
* While rand() is weak in comparison of lrand48, this is not a big
* issue, as we want moderately random values in our code (meaning
* that we don't use any of these functions for crypto-related operations)
*
*/
ExtFunc void
nessus_init_random()
{
FILE *fp;
long x = 0;
if ((fp = fopen("/dev/urandom", "r")) != NULL)
{
(void) fread(&x, sizeof(x), 1, fp);
fclose(fp);
}
x += time(NULL) + getpid() + getppid();
srand48(x);
}
#ifndef HAVE_LRAND48
ExtFunc
long lrand48()
{
return rand();
}
ExtFunc
void srand48(long seed)
{
srand(seed);
}
#endif
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