#include "gnunet_signatures.h"
#include "namestore.h"
-
+#define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util", syscall, filename)
/**
* A namestore operation.
int has_zone;
- GNUNET_HashCode zone;
+ struct GNUNET_CRYPTO_ShortHashCode zone;
uint64_t request_id;
uint32_t offset;
struct GNUNET_NAMESTORE_ZoneIteration *op_tail;
};
+struct GNUNET_NAMESTORE_CryptoContainer
+{
+ char * filename;
+
+ struct GNUNET_CRYPTO_ShortHashCode zone;
+ struct GNUNET_CRYPTO_RsaPrivateKey *privkey;
+ struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *pubkey;
+};
/**
- * Configuration handle.
- */
+* Configuration handle.
+*/
const struct GNUNET_CONFIGURATION_Handle *GSN_cfg;
-static struct GNUNET_NAMESTORE_PluginFunctions *GSN_database;
+/**
+* Database handle
+*/
+struct GNUNET_NAMESTORE_PluginFunctions *GSN_database;
+
+/**
+* Zonefile directory
+*/
+static char *zonefile_directory;
+
+static char *db_lib_name;
+
/**
* Our notification context.
*/
static struct GNUNET_SERVER_NotificationContext *snc;
-static char *db_lib_name;
-
static struct GNUNET_NAMESTORE_Client *client_head;
static struct GNUNET_NAMESTORE_Client *client_tail;
+struct GNUNET_CONTAINER_MultiHashMap *zonekeys;
+
+
+/**
+ * Write zonefile to disk
+ * @param filename where to write
+ * @param c the crypto container
+ *
+ * @return GNUNET_OK on success, GNUNET_SYSERR on fail
+ */
+
+int
+write_key_to_file (const char *filename, struct GNUNET_NAMESTORE_CryptoContainer *c)
+{
+ struct GNUNET_CRYPTO_RsaPrivateKey *ret = c->privkey;
+ struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded *enc;
+ struct GNUNET_DISK_FileHandle *fd;
+
+ if (GNUNET_YES == GNUNET_DISK_file_test (filename))
+ {
+ struct GNUNET_CRYPTO_ShortHashCode zone;
+ struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pubkey;
+ struct GNUNET_CRYPTO_RsaPrivateKey * privkey;
+
+ privkey = GNUNET_CRYPTO_rsa_key_create_from_file(filename);
+ if (privkey == NULL)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("File zone `%s' but corrupt content already exists, failed to write! \n"), GNUNET_short_h2s (&zone));
+ return GNUNET_SYSERR;
+ }
+
+ GNUNET_CRYPTO_rsa_key_get_public (privkey, &pubkey);
+ GNUNET_CRYPTO_short_hash (&pubkey, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone);
+ GNUNET_CRYPTO_rsa_key_free (privkey);
+
+ if (0 == memcmp (&zone, &c->zone, sizeof(zone)))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _("File zone `%s' containing this key already exists\n"), GNUNET_short_h2s (&zone));
+ return GNUNET_OK;
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("File zone `%s' but different zone key already exists, failed to write! \n"), GNUNET_short_h2s (&zone));
+ return GNUNET_OK;
+ }
+ }
+ fd = GNUNET_DISK_file_open (filename, GNUNET_DISK_OPEN_WRITE | GNUNET_DISK_OPEN_CREATE | GNUNET_DISK_OPEN_FAILIFEXISTS, GNUNET_DISK_PERM_USER_READ | GNUNET_DISK_PERM_USER_WRITE);
+ if (NULL == fd)
+ {
+ if (errno == EEXIST)
+ {
+ if (GNUNET_YES != GNUNET_DISK_file_test (filename))
+ {
+ /* must exist but not be accessible, fail for good! */
+ if (0 != ACCESS (filename, R_OK))
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "access", filename);
+ else
+ GNUNET_break (0); /* what is going on!? */
+ return GNUNET_SYSERR;
+ }
+ }
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_ERROR, "open", filename);
+ return GNUNET_SYSERR;
+ }
+
+ if (GNUNET_YES != GNUNET_DISK_file_lock (fd, 0, sizeof (struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded), GNUNET_YES))
+ {
+ GNUNET_assert (GNUNET_YES == GNUNET_DISK_file_close (fd));
+ return GNUNET_SYSERR;
+ }
+ enc = GNUNET_CRYPTO_rsa_encode_key (ret);
+ GNUNET_assert (enc != NULL);
+ GNUNET_assert (ntohs (enc->len) == GNUNET_DISK_file_write (fd, enc, ntohs (enc->len)));
+ GNUNET_free (enc);
+ GNUNET_DISK_file_sync (fd);
+ if (GNUNET_YES != GNUNET_DISK_file_unlock (fd, 0, sizeof (struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded)))
+ LOG_STRERROR_FILE (GNUNET_ERROR_TYPE_WARNING, "fcntl", filename);
+ GNUNET_assert (GNUNET_YES == GNUNET_DISK_file_close (fd));
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ _("Stored zonekey for zone `%s' in file `%s'\n"), GNUNET_short_h2s(&c->zone), c->filename);
+ return GNUNET_OK;
+}
+
+int zone_to_disk_it (void *cls,
+ const GNUNET_HashCode *key,
+ void *value)
+{
+ struct GNUNET_NAMESTORE_CryptoContainer * c = value;
+ if (c->filename != NULL)
+ write_key_to_file(c->filename, c);
+ else
+ {
+ GNUNET_asprintf(&c->filename, "%s/%s.zkey", zonefile_directory, GNUNET_short_h2s (&c->zone));
+ write_key_to_file(c->filename, c);
+ }
+
+
+ GNUNET_assert (GNUNET_OK == GNUNET_CONTAINER_multihashmap_remove (zonekeys, key, value));
+ GNUNET_CRYPTO_rsa_key_free (c->privkey);
+ GNUNET_free (c->pubkey);
+ GNUNET_free (c->filename);
+ GNUNET_free (c);
+
+ return GNUNET_OK;
+}
+
+
+struct GNUNET_TIME_Absolute
+get_block_expiration_time (unsigned int rd_count, const struct GNUNET_NAMESTORE_RecordData *rd)
+{
+ int c;
+ struct GNUNET_TIME_Absolute expire = GNUNET_TIME_absolute_get_forever();
+ if (NULL == rd)
+ return GNUNET_TIME_absolute_get_zero();
+ for (c = 0; c < rd_count; c++)
+ {
+ if (rd[c].expiration.abs_value < expire.abs_value)
+ expire = rd[c].expiration;
+ }
+ return expire;
+}
/**
* Task run during shutdown.
cleanup_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopping namestore service\n");
-
struct GNUNET_NAMESTORE_ZoneIteration * no;
struct GNUNET_NAMESTORE_ZoneIteration * tmp;
struct GNUNET_NAMESTORE_Client * nc;
GNUNET_SERVER_notification_context_destroy (snc);
snc = NULL;
+ GNUNET_CONTAINER_multihashmap_iterate(zonekeys, &zone_to_disk_it, NULL);
+ GNUNET_CONTAINER_multihashmap_destroy(zonekeys);
for (nc = client_head; nc != NULL; nc = next)
{
next = nc->next;
for (no = nc->op_head; no != NULL; no = tmp)
{
- GNUNET_break (0);
GNUNET_CONTAINER_DLL_remove (nc->op_head, nc->op_tail, no);
tmp = no->next;
GNUNET_free (no);
GNUNET_break (NULL == GNUNET_PLUGIN_unload (db_lib_name, GSN_database));
GNUNET_free (db_lib_name);
+ GNUNET_free_non_null(zonefile_directory);
}
static struct GNUNET_NAMESTORE_Client *
if ((NULL == client) || (NULL == nc))
return;
- for (no = nc->op_head; no != NULL; no = no->next)
+ no = nc->op_head;
+ while (NULL != no)
{
GNUNET_CONTAINER_DLL_remove (nc->op_head, nc->op_tail, no);
GNUNET_free (no);
+ no = nc->op_head;
}
-
GNUNET_SERVER_client_drop(nc->client);
GNUNET_CONTAINER_DLL_remove (client_head, client_tail, nc);
GNUNET_free (nc);
+ nc = NULL;
}
struct GNUNET_NAMESTORE_Client *nc;
uint32_t request_id;
uint32_t record_type;
- GNUNET_HashCode *zone;
+ struct GNUNET_CRYPTO_ShortHashCode *zone;
char * name;
};
const struct GNUNET_NAMESTORE_RecordData *rd,
const struct GNUNET_CRYPTO_RsaSignature *signature)
{
- GNUNET_HashCode zone_hash;
+ struct GNUNET_CRYPTO_ShortHashCode zone_hash;
int * stop = cls;
if (NULL != zone_key)
{
- GNUNET_CRYPTO_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_hash);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Deleting zone `%s'\n", GNUNET_h2s (&zone_hash));
+ GNUNET_CRYPTO_short_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_hash);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Deleting zone `%s'\n", GNUNET_short_h2s (&zone_hash));
GSN_database->delete_zone (GSN_database->cls, &zone_hash);
}
else
struct LookupNameContext *lnc = cls;
struct LookupNameResponseMessage *lnr_msg;
struct GNUNET_NAMESTORE_RecordData *rd_selected = NULL;
+ struct GNUNET_NAMESTORE_CryptoContainer *cc;
+ struct GNUNET_CRYPTO_RsaSignature *signature_new = NULL;
+ struct GNUNET_TIME_Absolute e;
+ struct GNUNET_CRYPTO_ShortHashCode zone_key_hash;
+ GNUNET_HashCode long_hash;
char *rd_tmp;
char *name_tmp;
size_t rd_ser_len;
size_t name_len = 0;
int copied_elements = 0;
- int contains_signature = 0;
+ int contains_signature = GNUNET_NO;
+ int authoritative = GNUNET_NO;
int c;
if (NULL != name)
if (rd[c].record_type == lnc->record_type)
copied_elements++; /* found matching record */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u records with type %u for name `%s' in zone `%s'\n",
- copied_elements, lnc->record_type, lnc->name, GNUNET_h2s(lnc->zone));
+ copied_elements, lnc->record_type, lnc->name, GNUNET_short_h2s(lnc->zone));
rd_selected = GNUNET_malloc (copied_elements * sizeof (struct GNUNET_NAMESTORE_RecordData));
copied_elements = 0;
for (c = 0; c < rd_count; c ++)
char rd_ser[rd_ser_len];
GNUNET_NAMESTORE_records_serialize(copied_elements, rd_selected, rd_ser_len, rd_ser);
- if (rd_selected != rd)
- GNUNET_free (rd_selected);
-
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u records for name `%s' in zone `%s'\n",
- copied_elements, lnc->name, GNUNET_h2s(lnc->zone));
+ copied_elements, lnc->name, GNUNET_short_h2s(lnc->zone));
if ((copied_elements == rd_count) && (NULL != signature))
- contains_signature = GNUNET_YES;
+ contains_signature = GNUNET_YES; /* returning all records, so include signature */
else
- contains_signature = GNUNET_NO;
+ contains_signature = GNUNET_NO; /* returning not all records, so do not include signature */
+
+
+ if ((NULL != zone_key) && (copied_elements == rd_count))
+ {
+ GNUNET_CRYPTO_short_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_key_hash);
+ GNUNET_CRYPTO_short_hash_double (&zone_key_hash, &long_hash);
+ if (GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
+ {
+ cc = GNUNET_CONTAINER_multihashmap_get(zonekeys, &long_hash);
+ e = get_block_expiration_time(rd_count, rd);
+ signature_new = GNUNET_NAMESTORE_create_signature(cc->privkey, e, name, rd, rd_count);
+ GNUNET_assert (signature_new != NULL);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating signature for name `%s' with %u records in zone `%s'\n",name, copied_elements, GNUNET_short_h2s(&zone_key_hash));
+ authoritative = GNUNET_YES;
+ }
+ else
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "I am not authoritative for name `%s' in zone `%s'\n",name, GNUNET_short_h2s(&zone_key_hash));
+ }
r_size = sizeof (struct LookupNameResponseMessage) +
sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) +
lnr_msg->rd_count = htons (copied_elements);
lnr_msg->rd_len = htons (rd_ser_len);
lnr_msg->name_len = htons (name_len);
- lnr_msg->contains_sig = htons (contains_signature);
- lnr_msg->expire = GNUNET_TIME_absolute_hton(expire);
+ lnr_msg->expire = GNUNET_TIME_absolute_hton(get_block_expiration_time(copied_elements, rd_selected));
+
+ if (rd_selected != rd)
+ GNUNET_free (rd_selected);
if (zone_key != NULL)
lnr_msg->public_key = (*zone_key);
else
memset(&lnr_msg->public_key, '\0', sizeof (lnr_msg->public_key));
- if (GNUNET_YES == contains_signature)
+
+ if (GNUNET_YES == authoritative)
+ { /* use new created signature */
+ lnr_msg->contains_sig = htons (GNUNET_YES);
+ GNUNET_assert (signature_new != NULL);
+ lnr_msg->signature = *signature_new;
+ GNUNET_free (signature_new);
+ }
+ else if (GNUNET_YES == contains_signature)
+ {
+ /* use existing signature */
+ lnr_msg->contains_sig = htons (GNUNET_YES);
+ GNUNET_assert (signature != NULL);
lnr_msg->signature = *signature;
+ }
else
+ {
+ /* use no signature */
memset (&lnr_msg->signature, '\0', sizeof (lnr_msg->signature));
+ }
name_tmp = (char *) &lnr_msg[1];
rd_tmp = &name_tmp[name_len];
memcpy (rd_tmp, rd_ser, rd_ser_len);
GNUNET_SERVER_notification_context_unicast (snc, lnc->nc->client, (const struct GNUNET_MessageHeader *) lnr_msg, GNUNET_NO);
-
GNUNET_free (lnr_msg);
}
}
if (0 == type)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up all records for name `%s' in zone `%s'\n", name, GNUNET_h2s(&ln_msg->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up all records for name `%s' in zone `%s'\n", name, GNUNET_short_h2s(&ln_msg->zone));
else
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up records with type %u for name `%s' in zone `%s'\n", type, name, GNUNET_h2s(&ln_msg->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up records with type %u for name `%s' in zone `%s'\n", type, name, GNUNET_short_h2s(&ln_msg->zone));
/* do the actual lookup */
lnc.request_id = rid;
goto send;
}
- GNUNET_HashCode zone_hash;
- GNUNET_CRYPTO_hash (&rp_msg->public_key, sizeof (rp_msg->public_key), &zone_hash);
+ struct GNUNET_CRYPTO_ShortHashCode zone_hash;
+ GNUNET_CRYPTO_short_hash (&rp_msg->public_key, sizeof (rp_msg->public_key), &zone_hash);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Putting %u record for name `%s' in zone `%s'\n", rd_count, name, GNUNET_h2s(&zone_hash));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Putting %u record for name `%s' in zone `%s'\n", rd_count, name, GNUNET_short_h2s(&zone_hash));
/* Database operation */
res = GSN_database->put_records(GSN_database->cls,
const struct GNUNET_CRYPTO_RsaSignature *signature)
{
struct CreateRecordContext * crc = cls;
- struct GNUNET_CRYPTO_RsaSignature *signature_new = NULL;
struct GNUNET_NAMESTORE_RecordData *rd_new = NULL;
+ struct GNUNET_CRYPTO_RsaSignature dummy_signature;
struct GNUNET_TIME_Absolute block_expiration;
int res;
int exist = GNUNET_SYSERR;
int rd_count_new = 0;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u existing records for `%s'\n", rd_count, crc->name);
-
for (c = 0; c < rd_count; c++)
{
-
- if ((crc->rd->record_type == rd[c].record_type) &&
+ if ((crc->rd->record_type == GNUNET_NAMESTORE_TYPE_PKEY) && (rd[c].record_type == GNUNET_NAMESTORE_TYPE_PKEY))
+ {
+ /* Update unique PKEY */
+ exist = c;
+ update = GNUNET_YES;
+ break;
+ }
+ else if ((crc->rd->record_type == GNUNET_NAMESTORE_TYPE_PSEU) && (rd[c].record_type == GNUNET_NAMESTORE_TYPE_PSEU))
+ {
+ /* Update unique PSEU */
+ exist = c;
+ update = GNUNET_YES;
+ break;
+ }
+ else if ((crc->rd->record_type == rd[c].record_type) &&
(crc->rd->data_size == rd[c].data_size) &&
(0 == memcmp (crc->rd->data, rd[c].data, rd[c].data_size)))
{
}
if (exist == GNUNET_SYSERR)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "NO existing records for `%s' to update!\n", crc->name);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "New record does not exist for name `%s'!\n", crc->name);
if (exist == GNUNET_SYSERR)
{
memcpy (rd_new, rd, rd_count * sizeof (struct GNUNET_NAMESTORE_RecordData));
rd_count_new = rd_count + 1;
rd_new[rd_count] = *(crc->rd);
- signature_new = GNUNET_NAMESTORE_create_signature (crc->pkey, crc->name, rd_new, rd_count+1);
-
- if (NULL == signature_new)
- {
- GNUNET_break (0);
- res = GNUNET_SYSERR;
- goto end;
- }
}
else if (update == GNUNET_NO)
{
memcpy (rd_new, rd, rd_count * sizeof (struct GNUNET_NAMESTORE_RecordData));
rd_count_new = rd_count;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updating expiration from %llu to %llu!\n", rd_new[exist].expiration.abs_value, crc->rd->expiration.abs_value);
- rd_new[exist].expiration = crc->rd->expiration;
- signature_new = GNUNET_NAMESTORE_create_signature (crc->pkey, crc->name, rd_new, rd_count_new);
- if (NULL == signature_new)
- {
- GNUNET_break (0);
- res = GNUNET_SYSERR;
- goto end;
- }
+ rd_new[exist] = *(crc->rd);
}
block_expiration = GNUNET_TIME_absolute_max(crc->expire, expire);
if (block_expiration.abs_value != expire.abs_value)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Updated block expiration time\n");
+ memset (&dummy_signature, '\0', sizeof (dummy_signature));
/* Database operation */
GNUNET_assert ((rd_new != NULL) && (rd_count_new > 0));
block_expiration,
crc->name,
rd_count_new, rd_new,
- signature_new);
+ &dummy_signature);
GNUNET_break (GNUNET_OK == res);
if (res == GNUNET_OK)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Successfully put record for `%s' in database \n", crc->name);
end:
GNUNET_free_non_null (rd_new);
- GNUNET_free_non_null (signature_new);
switch (res) {
case GNUNET_SYSERR:
case GNUNET_YES:
/* database operations OK */
if (GNUNET_YES == update)
+ {
/* we updated an existing record */
crc->res = GNUNET_NO;
+ }
else
+ {
/* we created a new record */
crc->res = GNUNET_YES;
+ }
break;
case GNUNET_NO:
/* identical entry existed, so we did nothing */
+ GNUNET_break(0);
crc->res = GNUNET_NO;
break;
default:
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_RECORD_CREATE");
struct GNUNET_NAMESTORE_Client *nc;
+ struct GNUNET_NAMESTORE_CryptoContainer *cc;
struct CreateRecordContext crc;
struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
struct RecordCreateResponseMessage rcr_msg;
- GNUNET_HashCode pubkey_hash;
+ struct GNUNET_CRYPTO_ShortHashCode pubkey_hash;
+ GNUNET_HashCode long_hash;
size_t name_len;
size_t msg_size;
size_t msg_size_exp;
GNUNET_break_op (0);
goto send;
}
-
/* Extracting and converting private key */
pkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
GNUNET_assert (pkey != NULL);
GNUNET_CRYPTO_rsa_key_get_public(pkey, &pub);
- GNUNET_CRYPTO_hash (&pub, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
+ GNUNET_CRYPTO_short_hash (&pub, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
+ GNUNET_CRYPTO_short_hash_double (&pubkey_hash, &long_hash);
+
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received new private key for zone `%s'\n",GNUNET_short_h2s(&pubkey_hash));
+
+ cc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_CryptoContainer));
+ cc->privkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
+ cc->pubkey = GNUNET_malloc(sizeof (pub));
+ memcpy (cc->pubkey, &pub, sizeof(pub));
+ cc->zone = pubkey_hash;
+ GNUNET_CONTAINER_multihashmap_put(zonekeys, &long_hash, cc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ }
crc.expire = GNUNET_TIME_absolute_ntoh(rp_msg->expire);
crc.res = GNUNET_SYSERR;
crc.rd = rd;
crc.name = name_tmp;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating record for name `%s' in zone `%s'\n", name_tmp, GNUNET_h2s(&pubkey_hash));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating record for name `%s' in zone `%s'\n", name_tmp, GNUNET_short_h2s(&pubkey_hash));
/* Get existing records for name */
res = GSN_database->iterate_records(GSN_database->cls, &pubkey_hash, name_tmp, 0, &handle_create_record_it, &crc);
if (res != GNUNET_SYSERR)
res = GNUNET_OK;
GNUNET_CRYPTO_rsa_key_free(pkey);
+ pkey = NULL;
/* Send response */
send:
{
struct GNUNET_NAMESTORE_RecordData *rd;
struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
+ int remove_name;
uint16_t op_res;
};
found = GNUNET_SYSERR;
for (c = 0; c < rd_count; c++)
{
- if ((rd[c].expiration.abs_value == rrc->rd->expiration.abs_value) &&
- (rd[c].flags == rrc->rd->flags) &&
- (rd[c].record_type == rrc->rd->record_type) &&
- (rd[c].data_size == rrc->rd->data_size) &&
- (0 == memcmp (rd[c].data, rrc->rd->data, rrc->rd->data_size)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found record to remove!\n", rd_count);
- found = c;
- break;
- }
+ GNUNET_break(0);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SENT FLAGES: %u \n",rd[c].flags);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "STORED FLAGES: %u \n",rrc->rd->flags);
+ /*
+ if (rd[c].flags != rrc->rd->flags)
+ continue;*/
+ GNUNET_break(0);
+ if (rd[c].record_type != rrc->rd->record_type)
+ continue;
+ GNUNET_break(0);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "SENT FLAGES: %u \n",rd[c].data_size);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "STORED FLAGES: %u \n",rrc->rd->data_size);
+ /*
+ if (rd[c].data_size != rrc->rd->data_size)
+ continue;
+ GNUNET_break(0);
+ if (0 != memcmp (rd[c].data, rrc->rd->data, rrc->rd->data_size))
+ continue;
+ GNUNET_break(0); */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found record to remove!\n", rd_count);
+ found = c;
+ break;
}
if (GNUNET_SYSERR == found)
{
return;
}
+ if (rd_count-1 == 0)
+ {
+ struct GNUNET_CRYPTO_ShortHashCode pubkey_hash;
+ GNUNET_CRYPTO_short_hash (zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
+ res = GSN_database->remove_records (GSN_database->cls,
+ &pubkey_hash,
+ name);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "No records left for name `%s', removing name\n",
+ name, res);
+ if (GNUNET_OK != res)
+ {
+ /* Could put records into database */
+ rrc->op_res = 4;
+ return;
+ }
+ rrc->op_res = 0;
+ return;
+ }
+
rd_count_new = rd_count -1;
struct GNUNET_NAMESTORE_RecordData rd_new[rd_count_new];
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Name `%s' now has %u records\n", name, rd_count_new);
- /* Create new signature */
- struct GNUNET_CRYPTO_RsaSignature * new_signature;
- new_signature = GNUNET_NAMESTORE_create_signature (rrc->pkey, name, rd_new, rd_count_new);
+ /* Create dummy signature */
+ struct GNUNET_CRYPTO_RsaSignature dummy_signature;
+ memset (&dummy_signature, '\0', sizeof (dummy_signature));
- if (new_signature == NULL)
- {
- /* Signature failed */
- rrc->op_res = 3;
- return;
- }
/* Put records */
res = GSN_database->put_records(GSN_database->cls,
expire,
name,
rd_count_new, rd_new,
- new_signature);
- GNUNET_free (new_signature);
-
+ &dummy_signature);
if (GNUNET_OK != res)
{
/* Could put records into database */
struct GNUNET_NAMESTORE_Client *nc;
struct RecordRemoveResponseMessage rrr_msg;
struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
+ struct GNUNET_NAMESTORE_CryptoContainer *cc = NULL;
struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
- GNUNET_HashCode pubkey_hash;
+ struct GNUNET_CRYPTO_ShortHashCode pubkey_hash;
+ GNUNET_HashCode long_hash;
char * pkey_tmp = NULL;
char * name_tmp = NULL;
char * rd_ser = NULL;
return;
}
- if ((rd_count != 1) || (rd_ser_len < 1) || (name_len >=256) || (name_len == 0))
+ if ((name_len >=256) || (name_len == 0))
{
GNUNET_break_op (0);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
- if ((rd_count != 1) || (rd_ser_len < 1) || (name_len >=256) || (name_len == 0))
- {
- GNUNET_break_op (0);
- GNUNET_SERVER_receive_done (client, GNUNET_OK);
- return;
- }
-
pkey_tmp = (char *) &rr_msg[1];
name_tmp = &pkey_tmp[key_len];
rd_ser = &name_tmp[name_len];
pkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
GNUNET_assert (pkey != NULL);
GNUNET_CRYPTO_rsa_key_get_public(pkey, &pub);
- GNUNET_CRYPTO_hash (&pub, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
+ GNUNET_CRYPTO_short_hash (&pub, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &pubkey_hash);
+ GNUNET_CRYPTO_short_hash_double (&pubkey_hash, &long_hash);
+
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received new private key for zone `%s'\n",GNUNET_short_h2s(&pubkey_hash));
+ cc = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_CryptoContainer));
+ cc->privkey = GNUNET_CRYPTO_rsa_decode_key((char *) pkey_tmp, key_len);
+ cc->pubkey = GNUNET_malloc(sizeof (pub));
+ memcpy (cc->pubkey, &pub, sizeof(pub));
+ cc->zone = pubkey_hash;
+
+ GNUNET_CONTAINER_multihashmap_put(zonekeys, &long_hash, cc, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ }
+
struct GNUNET_NAMESTORE_RecordData rd[rd_count];
res = GNUNET_NAMESTORE_records_deserialize(rd_ser_len, rd_ser, rd_count, rd);
- if ((res != GNUNET_OK) || (rd_count != 1))
+ if ((res != GNUNET_OK) || (rd_count > 1))
{
GNUNET_break_op (0);
goto send;
}
- struct RemoveRecordContext rrc;
- rrc.rd = rd;
- rrc.pkey = pkey;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing record for name `%s' in zone `%s'\n", name_tmp, GNUNET_h2s(&pubkey_hash));
-
- /* Database operation */
- res = GSN_database->iterate_records (GSN_database->cls,
- &pubkey_hash,
- name_tmp,
- 0,
- handle_record_remove_it, &rrc);
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing record for name `%s': %s\n",
- name_tmp, (rrc.op_res == 0) ? "OK" : "FAIL");
- res = rrc.op_res;
-
+ if (0 == rd_count)
+ {
+ /* remove the whole name and all records */
+ /* Database operation */
+ res = GSN_database->remove_records (GSN_database->cls,
+ &pubkey_hash,
+ name_tmp);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing name `%s': %s\n",
+ name_tmp, (GNUNET_OK == res) ? "OK" : "FAIL");
+
+ if (GNUNET_OK != res)
+ /* Could not remove entry from database */
+ res = 4;
+ else
+ res = 0;
+ }
+ else
+ {
+ /* remove a single record */
+ struct RemoveRecordContext rrc;
+ rrc.rd = rd;
+ rrc.pkey = pkey;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing record for name `%s' in zone `%s'\n", name_tmp, GNUNET_short_h2s(&pubkey_hash));
+
+ /* Database operation */
+ res = GSN_database->iterate_records (GSN_database->cls,
+ &pubkey_hash,
+ name_tmp,
+ 0,
+ handle_record_remove_it, &rrc);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Removing record for name `%s': %s\n",
+ name_tmp, (rrc.op_res == 0) ? "OK" : "FAIL");
+ res = rrc.op_res;
+ }
/* Send response */
send:
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_REMOVE_RESPONSE");
/* found result */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found results: name is `%s', has %u records\n", name, rd_count);
res = GNUNET_YES;
- name_len = strlen (name);
+ name_len = strlen (name) +1;
}
else
{
ztn_ctx.rid = rid;
ztn_ctx.nc = nc;
- char * z_tmp = strdup (GNUNET_h2s (&ztn_msg->zone));
+ struct GNUNET_CRYPTO_ShortHashAsciiEncoded z_tmp;
+ GNUNET_CRYPTO_short_hash_to_enc(&ztn_msg->zone, &z_tmp);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Looking up name for zone `%s' in zone `%s'\n",
- z_tmp,
- GNUNET_h2s (&ztn_msg->value_zone));
- GNUNET_free (z_tmp);
+ (char *) &z_tmp,
+ GNUNET_short_h2s (&ztn_msg->value_zone));
GSN_database->zone_to_name (GSN_database->cls, &ztn_msg->zone, &ztn_msg->value_zone, &handle_zone_to_name_it, &ztn_ctx);
{
struct GNUNET_NAMESTORE_ZoneIteration *zi = cls;
struct GNUNET_NAMESTORE_Client *nc = zi->client;
- //size_t len;
+ struct GNUNET_NAMESTORE_CryptoContainer * cc;
+ struct GNUNET_CRYPTO_RsaSignature *signature_new = NULL;
+ struct GNUNET_TIME_Absolute e;
+ struct GNUNET_CRYPTO_ShortHashCode zone_key_hash;
+ GNUNET_HashCode long_hash;
+ int authoritative = GNUNET_NO;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "ZONE RESULT `%s'\n", name);
if ((zone_key == NULL) && (name == NULL))
{
struct ZoneIterationResponseMessage zir_msg;
if (zi->has_zone == GNUNET_YES)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for zone `%s'\n", GNUNET_h2s(&zi->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for zone `%s'\n", GNUNET_short_h2s(&zi->zone));
else
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "No more results for all zones\n");
struct ZoneIterationResponseMessage *zir_msg;
if (zi->has_zone == GNUNET_YES)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending name `%s' for iteration over zone `%s'\n",
- name, GNUNET_h2s(&zi->zone));
+ name, GNUNET_short_h2s(&zi->zone));
if (zi->has_zone == GNUNET_NO)
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending name `%s' for iteration over all zones\n",
name);
name_tmp = (char *) &zir_msg[1];
rd_tmp = &name_tmp[name_len];
+ GNUNET_CRYPTO_short_hash(zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &zone_key_hash);
+ GNUNET_CRYPTO_short_hash_double(&zone_key_hash, &long_hash);
+ if (GNUNET_CONTAINER_multihashmap_contains(zonekeys, &long_hash))
+ {
+ cc = GNUNET_CONTAINER_multihashmap_get(zonekeys, &long_hash);
+ e = get_block_expiration_time(rd_count, rd);
+ expire = e;
+ signature_new = GNUNET_NAMESTORE_create_signature(cc->privkey, e, name, rd, rd_count);
+ GNUNET_assert (signature_new != NULL);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Creating signature for `%s' in zone `%s' with %u records and expiration %llu\n", name, GNUNET_short_h2s(&zone_key_hash), rd_count, e.abs_value);
+ authoritative = GNUNET_YES;
+ }
+
zir_msg->gns_header.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_ZONE_ITERATION_RESPONSE);
zir_msg->gns_header.header.size = htons (msg_size);
zir_msg->gns_header.r_id = htonl(zi->request_id);
zir_msg->name_len = htons (name_len);
zir_msg->rd_count = htons (rd_count);
zir_msg->rd_len = htons (rd_ser_len);
- zir_msg->signature = *signature;
- GNUNET_assert (NULL == zone_key);
+ if ((GNUNET_YES == authoritative) && (NULL != signature_new))
+ {
+ zir_msg->signature = *signature_new;
+ GNUNET_free (signature_new);
+ }
+ else
+ zir_msg->signature = *signature;
+ GNUNET_assert (NULL != zone_key);
if (zone_key != NULL)
zir_msg->public_key = *zone_key;
memcpy (name_tmp, name, name_len);
memcpy (rd_tmp, rd_ser, rd_ser_len);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending empty `%s' message with size %u\n", "ZONE_ITERATION_RESPONSE", msg_size);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message with size %u\n", "ZONE_ITERATION_RESPONSE", msg_size);
GNUNET_SERVER_notification_context_unicast (snc, nc->client, (const struct GNUNET_MessageHeader *) zir_msg, GNUNET_NO);
GNUNET_free (zir_msg);
}
struct ZoneIterationStartMessage * zis_msg = (struct ZoneIterationStartMessage *) message;
struct GNUNET_NAMESTORE_Client *nc;
struct GNUNET_NAMESTORE_ZoneIteration *zi;
- int res;
nc = client_lookup(client);
if (nc == NULL)
zi->client = nc;
zi->zone = zis_msg->zone;
- GNUNET_HashCode dummy;
- GNUNET_HashCode *zone_tmp;
+ struct GNUNET_CRYPTO_ShortHashCode dummy;
+ struct GNUNET_CRYPTO_ShortHashCode *zone_tmp;
memset (&dummy, '\0', sizeof (dummy));
if (0 == memcmp (&dummy, &zis_msg->zone, sizeof (dummy)))
{
}
else
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting to iterate over zone `%s'\n", GNUNET_h2s (&zis_msg->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting to iterate over zone `%s'\n", GNUNET_short_h2s (&zis_msg->zone));
zi->has_zone = GNUNET_YES;
zone_tmp = &zis_msg->zone;
}
GNUNET_CONTAINER_DLL_insert (nc->op_head, nc->op_tail, zi);
- res = GSN_database->iterate_records (GSN_database->cls, zone_tmp , NULL, zi->offset , &zone_iteration_proc, zi);
+ GSN_database->iterate_records (GSN_database->cls, zone_tmp , NULL, zi->offset , &zone_iteration_proc, zi);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
GNUNET_CONTAINER_DLL_remove(nc->op_head, nc->op_tail, zi);
if (GNUNET_YES == zi->has_zone)
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopped zone iteration for zone `%s'\n", GNUNET_h2s (&zi->zone));
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopped zone iteration for zone `%s'\n", GNUNET_short_h2s (&zi->zone));
else
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Stopped zone iteration all zones\n");
GNUNET_free (zi);
struct GNUNET_NAMESTORE_Client *nc;
struct GNUNET_NAMESTORE_ZoneIteration *zi;
- GNUNET_HashCode *zone_tmp;
+ struct GNUNET_CRYPTO_ShortHashCode *zone_tmp;
struct ZoneIterationStopMessage * zis_msg = (struct ZoneIterationStopMessage *) message;
uint32_t rid;
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
+int zonekey_file_it (void *cls, const char *filename)
+{
+ GNUNET_HashCode long_hash;
+ int *counter = cls;
+ if ((filename != NULL) && (NULL != strstr(filename, ".zkey")))
+ {
+ struct GNUNET_CRYPTO_RsaPrivateKey * privkey;
+ struct GNUNET_NAMESTORE_CryptoContainer *c;
+ privkey = GNUNET_CRYPTO_rsa_key_create_from_file(filename);
+ if (privkey == NULL)
+ return GNUNET_OK;
+
+ c = GNUNET_malloc (sizeof (struct GNUNET_NAMESTORE_CryptoContainer));
+ c->pubkey = GNUNET_malloc(sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
+ c->privkey = privkey;
+ GNUNET_CRYPTO_rsa_key_get_public(privkey, c->pubkey);
+ GNUNET_CRYPTO_short_hash(c->pubkey, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded), &c->zone);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found zonefile for zone `%s'\n", GNUNET_short_h2s (&c->zone));
+ GNUNET_CRYPTO_short_hash_double (&c->zone, &long_hash);
+ GNUNET_CONTAINER_multihashmap_put(zonekeys, &long_hash, c, GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY);
+ (*counter) ++;
+ }
+ return GNUNET_OK;
+}
/**
const struct GNUNET_CONFIGURATION_Handle *cfg)
{
char * database;
-
+ int counter = 0;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Starting namestore service\n");
static const struct GNUNET_SERVER_MessageHandler handlers[] = {
GSN_cfg = cfg;
+ /* Load private keys from disk */
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg, "namestore", "zonefile_directory",
+ &zonefile_directory))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("No directory to load zonefiles specified in configuration\n"));
+ GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
+ return;
+ }
+
+ if (GNUNET_NO == GNUNET_DISK_file_test (zonefile_directory))
+ {
+ if (GNUNET_SYSERR == GNUNET_DISK_directory_create (zonefile_directory))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Creating directory `%s' for zone files failed!\n"), zonefile_directory);
+ GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Created directory `%s' for zone files\n", zonefile_directory);
+ }
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Scanning directory `%s' for zone files\n", zonefile_directory);
+ zonekeys = GNUNET_CONTAINER_multihashmap_create (10);
+ GNUNET_DISK_directory_scan (zonefile_directory, zonekey_file_it, &counter);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u zone files\n", counter);
+
/* Loading database plugin */
if (GNUNET_OK !=
GNUNET_CONFIGURATION_get_value_string (cfg, "namestore", "database",
GNUNET_asprintf (&db_lib_name, "libgnunet_plugin_namestore_%s", database);
GSN_database = GNUNET_PLUGIN_load (db_lib_name, (void *) GSN_cfg);
+ GNUNET_free (database);
if (GSN_database == NULL)
+ {
GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Could not load database backend `%s'\n",
db_lib_name);
- GNUNET_free (database);
+ GNUNET_SCHEDULER_add_now (&cleanup_task, NULL);
+ return;
+ }
/* Configuring server handles */
GNUNET_SERVER_add_handlers (server, handlers);