* [including the GNU Public Licence.]
*/
/* ====================================================================
- * Copyright (c) 1998-1999 The OpenSSL Project. All rights reserved.
+ * 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
*
*/
+#define NON_MAIN
+#include "apps.h"
+#undef NON_MAIN
#include <openssl/bio.h>
#include <openssl/rand.h>
-#include "apps.h"
static int seeded = 0;
+static int egdsocket = 0;
int app_RAND_load_file(const char *file, BIO *bio_e, int dont_warn)
{
if (file == NULL)
file = RAND_file_name(buffer, sizeof buffer);
- if (file == NULL || !RAND_load_file(file, 1024L*1024L))
+ else if (RAND_egd(file) > 0)
+ {
+ /* we try if the given filename is an EGD socket.
+ if it is, we don't write anything back to the file. */
+ egdsocket = 1;
+ return 1;
+ }
+ if (file == NULL || !RAND_load_file(file, -1))
{
- if (!dont_warn)
+ if (RAND_status() == 0)
{
- BIO_printf(bio_e,"unable to load 'random state'\n");
- BIO_printf(bio_e,"What this means is that the random number generator has not been seeded\n");
- BIO_printf(bio_e,"with much random data.\n");
- if (consider_randfile) /* explanation does not apply when a file is explicitly named */
+ if (!dont_warn)
{
- BIO_printf(bio_e,"Consider setting the RANDFILE environment variable to point at a file that\n");
- BIO_printf(bio_e,"'random' data can be kept in.\n");
+ BIO_printf(bio_e,"unable to load 'random state'\n");
+ BIO_printf(bio_e,"This means that the random number generator has not been seeded\n");
+ BIO_printf(bio_e,"with much random data.\n");
+ if (consider_randfile) /* explanation does not apply when a file is explicitly named */
+ {
+ BIO_printf(bio_e,"Consider setting the RANDFILE environment variable to point at a file that\n");
+ BIO_printf(bio_e,"'random' data can be kept in (the file will be overwritten).\n");
+ }
}
+ return 0;
}
- return 0;
}
seeded = 1;
return 1;
char *p,*n;
int last;
long tot=0;
-
+ int egd;
+
for (;;)
{
last=0;
name=p+1;
if (*n == '\0') break;
- tot+=RAND_load_file(n,1024L*1024L);
+ egd=RAND_egd(n);
+ if (egd > 0) tot+=egd;
+ tot+=RAND_load_file(n,-1);
if (last) break;
}
if (tot > 512)
{
char buffer[200];
- if (!seeded)
+ if (egdsocket || !seeded)
/* If we did not manage to read the seed file,
* we should not write a low-entropy seed file back --
- * it would supress a crucial warning the next time
+ * it would suppress a crucial warning the next time
* we want to use it. */
return 0;