#include "gnunet_service_lib.h"
#include "gnunet_namestore_service.h"
#include "gnunet_namestore_plugin.h"
+#include "gnunet_signatures.h"
#include "namestore.h"
rd_selected = NULL;
rd_ser = NULL;
rd_ser_len = 0;
+ expire = GNUNET_TIME_UNIT_ZERO_ABS;
}
if ((copied_elements == rd_count) && (signature != NULL))
lnr_msg->header.type = ntohs (GNUNET_MESSAGE_TYPE_NAMESTORE_LOOKUP_NAME_RESPONSE);
lnr_msg->header.size = ntohs (r_size);
lnr_msg->op_id = htonl (lnc->id);
- lnr_msg->rd_len = htonl (rd_ser_len);
+ lnr_msg->rd_len = htons (rd_ser_len);
lnr_msg->name_len = htons (name_len);
lnr_msg->expire = GNUNET_TIME_absolute_hton(expire);
lnr_msg->contains_sig = htons (contains_signature);
size_t name_len;
size_t msg_size;
size_t msg_size_exp;
+ size_t key_len;
char * name;
char * rd_ser;
uint32_t id = 0;
}
struct RecordPutMessage * rp_msg = (struct RecordPutMessage *) message;
+
id = ntohl (rp_msg->op_id);
+ key_len = sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded);
name_len = ntohs (rp_msg->name_len);
rd_ser_len = ntohs(rp_msg->rd_len);
msg_size = ntohs (message->size);
- msg_size_exp = sizeof (struct RecordPutMessage) + sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) + name_len + rd_ser_len;
+ msg_size_exp = sizeof (struct RecordPutMessage) + key_len + name_len + rd_ser_len;
if (msg_size != msg_size_exp)
{
}
zone_key = (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *) &rp_msg[1];
- name = (char *) &zone_key[1];
+ name = &((char *)zone_key)[key_len];
if (name[name_len -1] != '\0')
{
rd_ser = &name[name_len];
rd_count = GNUNET_NAMESTORE_records_deserialize(&rd, rd_ser, rd_ser_len);
+ GNUNET_HashCode zone_hash;
+ GNUNET_CRYPTO_hash (zone_key, key_len, &zone_hash);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "PUT ZONE HASH: `%s'\n", GNUNET_h2s_full(&zone_hash));
+
+
/* Database operation */
res = GSN_database->put_records(GSN_database->cls,
zone_key,
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
+struct CreateRecordContext
+{
+ struct GNUNET_NAMESTORE_RecordData *rd;
+ struct GNUNET_CRYPTO_RsaPrivateKey *pkey;
+ struct GNUNET_TIME_Absolute expire;
+ uint32_t op_id;
+ struct GNUNET_NAMESTORE_Client *nc;
+};
+
+struct GNUNET_CRYPTO_RsaSignature *
+GNUNET_NAMESTORE_create_signature (const struct GNUNET_CRYPTO_RsaPrivateKey *key, struct GNUNET_NAMESTORE_RecordData *rd, unsigned int rd_count)
+{
+ struct GNUNET_CRYPTO_RsaSignature *sig = GNUNET_malloc(sizeof (struct GNUNET_CRYPTO_RsaSignature));
+ struct GNUNET_CRYPTO_RsaSignaturePurpose *sig_purpose;
+ size_t rd_ser_len;
+ char *rd_ser;
+
+ rd_ser_len = GNUNET_NAMESTORE_records_serialize(&rd_ser, rd_count, rd);
+ sig_purpose = GNUNET_malloc(sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose) + rd_ser_len);
+
+ sig_purpose->size = htonl (sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose)+ rd_ser_len);
+ sig_purpose->purpose = htonl (GNUNET_SIGNATURE_PURPOSE_GNS_RECORD_SIGN);
+ memcpy (&sig_purpose[1], rd_ser, rd_ser_len);
+
+ GNUNET_CRYPTO_rsa_sign (key, sig_purpose, sig);
+
+ GNUNET_free (rd_ser);
+ GNUNET_free (sig_purpose);
+ return sig;
+}
+
+static void
+handle_create_record_it (void *cls,
+ const struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key,
+ struct GNUNET_TIME_Absolute expire,
+ const char *name,
+ unsigned int rd_count,
+ const struct GNUNET_NAMESTORE_RecordData *rd,
+ const struct GNUNET_CRYPTO_RsaSignature *signature)
+{
+ struct CreateRecordContext * crc = cls;
+ struct GNUNET_CRYPTO_RsaSignature *signature_new;
+ struct RecordCreateResponseMessage rcr_msg;
+ int res;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Found %u existing records for `%s'\n", rd_count, name);
+ struct GNUNET_NAMESTORE_RecordData *rd_new = GNUNET_malloc ((rd_count+1) * sizeof (struct GNUNET_NAMESTORE_RecordData));
+ memcpy (rd_new, rd, rd_count * sizeof (struct GNUNET_NAMESTORE_RecordData));
+
+ rd_new[rd_count] = *(crc->rd);
+
+ signature_new = GNUNET_NAMESTORE_create_signature (crc->pkey, rd_new, rd_count+1);
+
+ /* Database operation */
+ res = GSN_database->put_records(GSN_database->cls,
+ zone_key,
+ expire,
+ name,
+ rd_count +1, rd_new,
+ signature_new);
+
+ GNUNET_free (rd_new);
+ GNUNET_free (signature_new);
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Update result for name %u\n", res);
+ /* Send response */
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_CREATE_RESPONSE");
+ rcr_msg.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE);
+ rcr_msg.op_id = htonl (crc->op_id);
+ rcr_msg.header.size = htons (sizeof (struct RecordCreateResponseMessage));
+ if (GNUNET_OK == res)
+ rcr_msg.op_result = htons (GNUNET_OK);
+ else
+ rcr_msg.op_result = htons (GNUNET_NO);
+ GNUNET_SERVER_notification_context_unicast (snc, crc->nc->client, (const struct GNUNET_MessageHeader *) &rcr_msg, GNUNET_NO);
+
+}
static void handle_record_create (void *cls,
struct GNUNET_SERVER_Client * client,
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received `%s' message\n", "NAMESTORE_RECORD_CREATE");
struct GNUNET_NAMESTORE_Client *nc;
- struct RecordCreateResponseMessage rcr_msg;
+ struct GNUNET_NAMESTORE_RecordData *rd;
+ struct CreateRecordContext crc;
+ struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded pub;
+ GNUNET_HashCode pubkey_hash;
size_t name_len;
size_t msg_size;
size_t msg_size_exp;
+ size_t rd_ser_len;
+ size_t key_len;
uint32_t id = 0;
+ char *pkey_tmp;
+ char *name_tmp;
+ char *rd_ser;
+ int rd_count;
+
int res = GNUNET_SYSERR;
id = ntohl (rp_msg->op_id);
name_len = ntohs (rp_msg->name_len);
msg_size = ntohs (message->size);
- msg_size_exp = sizeof (struct RecordCreateMessage) + name_len + sizeof (struct GNUNET_NAMESTORE_RecordData);
+ rd_ser_len = ntohs (rp_msg->rd_len);
+ key_len = ntohs (rp_msg->pkey_len);
+ msg_size_exp = sizeof (struct RecordCreateMessage) + key_len + name_len + rd_ser_len;
if (msg_size != msg_size_exp)
{
return;
}
-
if ((name_len == 0) || (name_len > 256))
{
GNUNET_break_op (0);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
-/*
- if (name[name_len -1] != '\0')
+
+ pkey_tmp = (char *) &rp_msg[1];
+ name_tmp = &pkey_tmp[key_len];
+ rd_ser = &name_tmp[name_len];
+
+ if (name_tmp[name_len -1] != '\0')
{
GNUNET_break_op (0);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
return;
}
-*/
- /* DO WORK HERE */
- /* Send response */
+ rd_count = GNUNET_NAMESTORE_records_deserialize(&rd, rd_ser, rd_ser_len);
+ GNUNET_assert (rd_count == 1);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message\n", "RECORD_CREATE_RESPONSE");
- rcr_msg.header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE_RESPONSE);
- rcr_msg.op_id = rp_msg->op_id;
- rcr_msg.header.size = htons (sizeof (struct RecordCreateResponseMessage));
- if (GNUNET_OK == res)
- rcr_msg.op_result = htons (GNUNET_OK);
- else
- rcr_msg.op_result = htons (GNUNET_NO);
- GNUNET_SERVER_notification_context_unicast (snc, nc->client, (const struct GNUNET_MessageHeader *) &rcr_msg, GNUNET_NO);
+ /* Extracting and converting private key */
+ struct GNUNET_CRYPTO_RsaPrivateKey *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);
+
+ crc.pkey = pkey;
+ crc.rd = rd;
+ crc.nc = nc;
+ crc.op_id = id;
+
+ /* Get existing records for name */
+ res = GSN_database->iterate_records(GSN_database->cls, &pubkey_hash, name_tmp, 0, &handle_create_record_it, &crc);
+
+ GNUNET_CRYPTO_rsa_key_free(pkey);
+ GNUNET_NAMESTORE_records_free(rd_count, rd);
GNUNET_SERVER_receive_done (client, GNUNET_OK);
}
+
+
static void handle_record_remove (void *cls,
struct GNUNET_SERVER_Client * client,
const struct GNUNET_MessageHeader * message)
GNUNET_CONTAINER_DLL_insert (nc->op_head, nc->op_tail, zi);
res = GSN_database->iterate_records (GSN_database->cls, &zis_msg->zone, NULL, zi->offset , &zone_iteration_proc, &zipr);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "iterate_records result %u\n", res);
switch (res) {
case GNUNET_OK:
/* GNUNET_OK on success */
#include "platform.h"
#include "gnunet_util_lib.h"
+#include "gnunet_crypto_lib.h"
#include "gnunet_constants.h"
#include "gnunet_arm_service.h"
#include "gnunet_namestore_service.h"
#include "namestore.h"
+
+#include "platform.h"
+#include <gcrypt.h>
+#include "gnunet_common.h"
+#include "gnunet_crypto_lib.h"
+#include "gnunet_disk_lib.h"
+
#define DEBUG_GNS_API GNUNET_EXTRA_LOGGING
#define LOG(kind,...) GNUNET_log_from (kind, "gns-api",__VA_ARGS__)
int contains_sig = GNUNET_NO;
int rd_count = 0;
- rd_len = ntohl (msg->rd_len);
+ rd_len = ntohs (msg->rd_len);
msg_len = ntohs (msg->header.size);
name_len = ntohs (msg->name_len);
contains_sig = ntohs (msg->contains_sig);
struct PendingMessage *pe;
/* pointer to elements */
- struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *zone_key_tmp;
+ char * zone_key_tmp;
char * rd_tmp;
char * rd_ser;
char * name_tmp;
size_t msg_size = 0;
size_t name_len = 0;
size_t rd_ser_len = 0;
+ size_t pubkey_len = 0;
uint32_t id = 0;
GNUNET_assert (NULL != h);
/* set msg_size*/
rd_ser_len = GNUNET_NAMESTORE_records_serialize(&rd_ser, rd_count, rd);
-
+ pubkey_len = sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded);
struct RecordPutMessage * msg;
- msg_size = sizeof (struct RecordPutMessage) + sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) + name_len + rd_ser_len;
+ msg_size = sizeof (struct RecordPutMessage) + pubkey_len + name_len + rd_ser_len;
/* create msg here */
pe = GNUNET_malloc(sizeof (struct PendingMessage) + msg_size);
pe->size = msg_size;
pe->is_init = GNUNET_NO;
msg = (struct RecordPutMessage *) &pe[1];
- zone_key_tmp = (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded *) &msg[1];
- name_tmp = (char *) &zone_key_tmp[1];
+ zone_key_tmp = (char *) &msg[1];
+ name_tmp = (char *) &zone_key_tmp[pubkey_len];
rd_tmp = &name_tmp[name_len];
msg->header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_PUT);
msg->header.size = htons (msg_size);
msg->op_id = htonl (id);
- memcpy (zone_key_tmp, zone_key, sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded));
+ msg->key_len = htons (pubkey_len);
+ memcpy (zone_key_tmp, zone_key, pubkey_len);
msg->signature = *signature;
msg->name_len = htons (name_len);
memcpy (name_tmp, name, name_len);
msg->expire = GNUNET_TIME_absolute_hton (expire);
msg->rd_len = htons (rd_ser_len);
+
memcpy (rd_tmp, rd_ser, rd_ser_len);
GNUNET_free (rd_ser);
struct GNUNET_NAMESTORE_QueueEntry *qe;
struct PendingMessage *pe;
char * name_tmp;
+ char * pkey_tmp;
char * rd_tmp;
char * rd_ser;
size_t rd_ser_len = 0;
size_t msg_size = 0;
size_t name_len = 0;
+ size_t key_len = 0;
uint32_t id = 0;
GNUNET_assert (NULL != h);
+ GNUNET_assert (NULL != pkey);
+ GNUNET_assert (NULL != name);
+ GNUNET_assert (NULL != rd);
+
+ name_len = strlen(name) + 1;
+ if (name_len > 256)
+ {
+ GNUNET_break (0);
+ return NULL;
+ }
id = get_op_id(h);
qe = GNUNET_malloc(sizeof (struct GNUNET_NAMESTORE_QueueEntry));
qe->cont = cont;
qe->cont_cls = cont_cls;
qe->op_id = id;
+ GNUNET_CONTAINER_DLL_insert_tail(h->op_head, h->op_tail, qe);
/* set msg_size*/
+ struct GNUNET_CRYPTO_RsaPrivateKeyBinaryEncoded * pkey_enc = GNUNET_CRYPTO_rsa_encode_key (pkey);
+ GNUNET_assert (pkey_enc != NULL);
+ key_len = ntohs (pkey_enc->len);
rd_ser_len = GNUNET_NAMESTORE_records_serialize(&rd_ser, 1, rd);
struct RecordCreateMessage * msg;
- msg_size = sizeof (struct RecordCreateMessage) + name_len + rd_ser_len;
+ msg_size = sizeof (struct RecordCreateMessage) + key_len + name_len + rd_ser_len;
/* create msg here */
pe = GNUNET_malloc(sizeof (struct PendingMessage) + msg_size);
pe->is_init = GNUNET_NO;
msg = (struct RecordCreateMessage *) &pe[1];
- name_tmp = (char *) &msg[1];
+ pkey_tmp = (char *) &msg[1];
+ name_tmp = &pkey_tmp[key_len];
rd_tmp = &name_tmp[name_len];
msg->header.type = htons (GNUNET_MESSAGE_TYPE_NAMESTORE_RECORD_CREATE);
msg->header.size = htons (msg_size);
msg->op_id = htonl (id);
- //msg->signature = *signature;
msg->name_len = htons (name_len);
+ msg->rd_len = htons (rd_ser_len);
+ msg->pkey_len = htons (key_len);
+ memcpy (pkey_tmp, pkey_enc, key_len);
memcpy (name_tmp, name, name_len);
memcpy (rd_tmp, rd_ser, rd_ser_len);
GNUNET_free (rd_ser);
+ GNUNET_free (pkey_enc);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Sending `%s' message for name `%s' with size %u\n", "NAMESTORE_RECORD_CREATE", name, msg_size);