}
-#ifdef gcry_register_random_progress
+/**
+ * Process ID of the "find" process that we use for
+ * entropy gathering.
+ */
+static pid_t genproc;
+
/**
* Function called by libgcrypt whenever we are
* blocked gathering entropy.
int current,
int total)
{
- static pid_t genproc;
+ unsigned long code;
+ enum GNUNET_OS_ProcessStatusType type;
+ int ret;
+
if (0 != strcmp (what, "need_entropy"))
return;
if (current == total)
{
if (genproc != 0)
{
- PLIBC_KILL(genproc, SIGKILL);
+ PLIBC_KILL(genproc, SIGTERM);
GNUNET_break (GNUNET_OK == GNUNET_OS_process_wait (genproc));
genproc = 0;
}
return;
}
- genproc = GNUNET_OS_start_process ("find",
- "find",
- "-type",
- "s",
- "-fprint",
- "/dev/null",
+ if (genproc != 0)
+ {
+ ret = GNUNET_OS_process_status (genproc,
+ &type,
+ &code);
+ if (ret == GNUNET_NO)
+ return; /* still running */
+ if (ret == GNUNET_SYSERR)
+ {
+ GNUNET_break (0);
+ return;
+ }
+ PLIBC_KILL(genproc, SIGTERM);
+ GNUNET_break (GNUNET_OK == GNUNET_OS_process_wait (genproc));
+ genproc = 0;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_INFO,
+ _("Starting `%s' process to generate entropy\n"),
+ "find");
+ genproc = GNUNET_OS_start_process ("sh",
+ "sh",
+ "-c",
+ "exec find / -mount -type f -exec cp {} /dev/null \\; 2>/dev/null",
NULL);
}
-#endif
+
+
+static void
+killfind ()
+{
+ if (genproc != 0)
+ {
+ PLIBC_KILL(genproc, SIGKILL);
+ genproc = 0;
+ }
+}
void __attribute__ ((constructor)) GNUNET_CRYPTO_ksk_init ()
#ifdef gcry_fast_random_poll
gcry_fast_random_poll ();
#endif
-#ifdef gcry_register_random_progress
- gcry_register_random_progress (&entropy_generator, NULL);
-#endif
+ gcry_set_progress_handler (&entropy_generator, NULL);
+ atexit (&killfind);
}
+
void __attribute__ ((destructor)) GNUNET_CRYPTO_ksk_fini ()
{
int i;
GNUNET_free (cache[i]);
}
GNUNET_array_grow (cache, cacheSize, 0);
-#ifdef gcry_register_random_progress
- gcry_register_random_progress (NULL, NULL);
-#endif
+ gcry_set_progress_handler (NULL, NULL);
}
/* end of kblockkey.c */