/*
This file is part of GNUnet.
- (C) 2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2014 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
-
/**
* @file util/gnunet-scrypt.c
* @brief tool to manipulate SCRYPT proofs of work.
- * largely stolen from gnunet-peerinfo.c and gnunet-service-nse.c
* @author Bart Polot
*/
#include "platform.h"
static struct GNUNET_TIME_Relative proof_find_delay;
static struct GNUNET_CRYPTO_EddsaPublicKey pub;
-uint64_t proof;
-GNUNET_SCHEDULER_TaskIdentifier proof_task;
-const struct GNUNET_CONFIGURATION_Handle *cfg;
-char *pkfn;
-char *pwfn;
+static uint64_t proof;
+
+static struct GNUNET_SCHEDULER_Task *proof_task;
+
+static const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+static char *pkfn;
+
+static char *pwfn;
+
/**
* Write our current proof to disk.
+ *
+ * @param cls closure
*/
static void
-write_proof ()
+shutdown_task (void *cls)
{
if (sizeof (proof) !=
- GNUNET_DISK_fn_write (pwfn, &proof, sizeof (proof),
+ GNUNET_DISK_fn_write (pwfn,
+ &proof,
+ sizeof (proof),
GNUNET_DISK_PERM_USER_READ |
GNUNET_DISK_PERM_USER_WRITE))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING, "write", proof);
+ GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING,
+ "write",
+ pwfn);
}
}
-
/**
* Count the leading zeroes in hash.
*
* @param tc task context
*/
static void
-find_proof (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+find_proof (void *cls)
{
#define ROUND_SIZE 10
uint64_t counter;
struct GNUNET_TIME_Absolute timestamp;
struct GNUNET_TIME_Relative elapsed;
- if (0 != (GNUNET_SCHEDULER_REASON_SHUTDOWN & tc->reason))
- {
- write_proof ();
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Got Proof of Work %llu\n", proof);
- proof_task = GNUNET_SCHEDULER_NO_TASK;
- memcpy (&buf[sizeof (uint64_t)], &pub,
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Got Proof of Work %llu\n",
+ (unsigned long long) proof);
+ proof_task = NULL;
+ GNUNET_memcpy (&buf[sizeof (uint64_t)], &pub,
sizeof (struct GNUNET_CRYPTO_EddsaPublicKey));
i = 0;
counter = proof;
timestamp = GNUNET_TIME_absolute_get ();
while ((counter != UINT64_MAX) && (i < ROUND_SIZE))
{
- memcpy (buf, &counter, sizeof (uint64_t));
+ GNUNET_memcpy (buf, &counter, sizeof (uint64_t));
pow_hash (buf, sizeof (buf), &result);
if (nse_work_required <= count_leading_zeroes (&result))
{
proof = counter;
FPRINTF (stdout, "Proof of work found: %llu!\n",
(unsigned long long) proof);
- write_proof ();
+ GNUNET_SCHEDULER_shutdown ();
return;
}
counter++;
(unsigned long long) counter);
/* remember progress every 100 rounds */
proof = counter;
- write_proof ();
+ shutdown_task (NULL);
}
else
{
proof = counter;
}
proof_task =
- GNUNET_SCHEDULER_add_delayed_with_priority (proof_find_delay,
- GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof, NULL);
+ GNUNET_SCHEDULER_add_delayed_with_priority (proof_find_delay,
+ GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &find_proof, NULL);
}
* @param cfg configuration
*/
static void
-run (void *cls, char *const *args, const char *cfgfile,
+run (void *cls,
+ char *const *args,
+ const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *config)
{
struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
+ char *pids;
cfg = config;
-
/* load proof of work */
if (NULL == pwfn)
{
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "NSE",
- "PROOFFILE",
- &pwfn))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "NSE",
+ "PROOFFILE",
+ &pwfn))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "NSE", "PROOFFILE");
+ "NSE",
+ "PROOFFILE");
GNUNET_SCHEDULER_shutdown ();
return;
}
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Proof of Work file: %s\n", pwfn);
- if (GNUNET_YES != GNUNET_DISK_file_test (pwfn) ||
- sizeof (proof) != GNUNET_DISK_fn_read (pwfn, &proof, sizeof (proof)))
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Proof of Work file: %s\n",
+ pwfn);
+ if ( (GNUNET_YES != GNUNET_DISK_file_test (pwfn)) ||
+ (sizeof (proof) !=
+ GNUNET_DISK_fn_read (pwfn, &proof, sizeof (proof))))
proof = 0;
/* load private key */
if (NULL == pkfn)
{
- if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_filename (cfg, "PEER",
- "PRIVATE_KEY",
- &pkfn))
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg,
+ "PEER",
+ "PRIVATE_KEY",
+ &pkfn))
{
GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
- "PEER", "PRIVATE_KEY");
+ "PEER",
+ "PRIVATE_KEY");
return;
}
}
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Private Key file: %s\n", pkfn);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Private Key file: %s\n",
+ pkfn);
if (NULL == (pk = GNUNET_CRYPTO_eddsa_key_create_from_file (pkfn)))
{
- FPRINTF (stderr, _("Loading hostkey from `%s' failed.\n"), pkfn);
+ FPRINTF (stderr,
+ _("Loading hostkey from `%s' failed.\n"),
+ pkfn);
GNUNET_free (pkfn);
return;
}
GNUNET_free (pkfn);
GNUNET_CRYPTO_eddsa_key_get_public (pk, &pub);
GNUNET_free (pk);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Peer ID: %s\n",
- GNUNET_CRYPTO_eddsa_public_key_to_string (&pub));
+ pids = GNUNET_CRYPTO_eddsa_public_key_to_string (&pub);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Peer ID: %s\n",
+ pids);
+ GNUNET_free (pids);
/* get target bit amount */
if (0 == nse_work_required)
{
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_number (cfg, "NSE", "WORKBITS",
+ GNUNET_CONFIGURATION_get_value_number (cfg,
+ "NSE",
+ "WORKBITS",
&nse_work_required))
{
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR, "NSE", "WORKBITS");
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "NSE",
+ "WORKBITS");
GNUNET_SCHEDULER_shutdown ();
return;
}
if (nse_work_required >= sizeof (struct GNUNET_HashCode) * 8)
{
- GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR, "NSE", "WORKBITS",
+ GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
+ "NSE",
+ "WORKBITS",
_("Value is too large.\n"));
GNUNET_SCHEDULER_shutdown ();
return;
- } else if (0 == nse_work_required)
+ }
+ else if (0 == nse_work_required)
{
- write_proof ();
GNUNET_SCHEDULER_shutdown ();
return;
}
}
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Bits: %llu\n",
+ nse_work_required);
- GNUNET_log (GNUNET_ERROR_TYPE_INFO, "Timeout: %s\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Delay between tries: %s\n",
GNUNET_STRINGS_relative_time_to_string (proof_find_delay, 1));
- GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
- &find_proof, NULL);
+ proof_task =
+ GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_IDLE,
+ &find_proof,
+ NULL);
+ GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
+ NULL);
}
};
int ret;
- if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ if (GNUNET_OK !=
+ GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
return 2;
ret = (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc, argv, "gnunet-scrypt [OPTIONS] prooffile",
+ GNUNET_PROGRAM_run (argc, argv,
+ "gnunet-scrypt [OPTIONS] prooffile",
gettext_noop ("Manipulate GNUnet proof of work files"),
options, &run, NULL)) ? 0 : 1;
GNUNET_free ((void*) argv);
return ret;
}
-/* end of gnunet-ecc.c */
+/* end of gnunet-scrypt.c */