#include "gnunet_namestore_service.h"
#include "block_gns.h"
#include "gnunet_signatures.h"
+#include "gns_common.h"
/**
* Number of bits we set per entry in the bloomfilter.
size_t xquery_size, const void *reply_block,
size_t reply_block_size)
{
- char* name;
- struct GNUNET_HashCode pkey_hash_double;
+ const char* name;
struct GNUNET_HashCode query_key;
- struct GNUNET_HashCode name_hash_double;
struct GNUNET_HashCode mhash;
struct GNUNET_HashCode chash;
struct GNUNET_CRYPTO_ShortHashCode pkey_hash;
- struct GNUNET_CRYPTO_ShortHashCode name_hash;
struct GNSNameRecordBlock *nrb;
+ struct GNUNET_CRYPTO_HashAsciiEncoded xor_exp;
+ struct GNUNET_CRYPTO_HashAsciiEncoded xor_got;
uint32_t rd_count;
char* rd_data = NULL;
int rd_len;
/* this is a reply */
nrb = (struct GNSNameRecordBlock *)reply_block;
- name = (char*)&nrb[1];
- GNUNET_CRYPTO_short_hash(&nrb->public_key,
- sizeof(nrb->public_key),
- &pkey_hash);
-
- GNUNET_CRYPTO_short_hash(name, strlen(name), &name_hash);
+ name = (const char*)&nrb[1];
- GNUNET_CRYPTO_short_hash_double(&name_hash, &name_hash_double);
- GNUNET_CRYPTO_short_hash_double(&pkey_hash, &pkey_hash_double);
-
- GNUNET_CRYPTO_hash_xor(&pkey_hash_double, &name_hash_double, &query_key);
+ GNUNET_CRYPTO_short_hash (&nrb->public_key,
+ sizeof(nrb->public_key),
+ &pkey_hash);
+ GNUNET_GNS_get_key_for_record (name, &pkey_hash, &query_key);
- struct GNUNET_CRYPTO_HashAsciiEncoded xor_exp;
- struct GNUNET_CRYPTO_HashAsciiEncoded xor_got;
GNUNET_CRYPTO_hash_to_enc (&query_key, &xor_exp);
GNUNET_CRYPTO_hash_to_enc (query, &xor_got);
const void *block, size_t block_size,
struct GNUNET_HashCode * key)
{
- if (type != GNUNET_BLOCK_TYPE_GNS_NAMERECORD)
- return GNUNET_SYSERR;
- struct GNUNET_CRYPTO_ShortHashCode name_hash;
struct GNUNET_CRYPTO_ShortHashCode pkey_hash;
- struct GNUNET_HashCode name_hash_double;
- struct GNUNET_HashCode pkey_hash_double;
-
- struct GNSNameRecordBlock *nrb = (struct GNSNameRecordBlock *)block;
+ const struct GNSNameRecordBlock *nrb = (const struct GNSNameRecordBlock *)block;
+ const char *name;
- GNUNET_CRYPTO_short_hash(&nrb[1], strlen((char*)&nrb[1]), &name_hash);
- GNUNET_CRYPTO_short_hash(&nrb->public_key,
- sizeof(struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
- &pkey_hash);
-
- GNUNET_CRYPTO_short_hash_double(&name_hash, &name_hash_double);
- GNUNET_CRYPTO_short_hash_double(&pkey_hash, &pkey_hash_double);
-
- GNUNET_CRYPTO_hash_xor(&name_hash_double, &pkey_hash_double, key);
-
+ if (type != GNUNET_BLOCK_TYPE_GNS_NAMERECORD)
+ return GNUNET_SYSERR;
+ name = (const char *) &nrb[1];
+ if (NULL == memchr (name, '\0', block_size - sizeof (struct GNSNameRecordBlock)))
+ {
+ /* malformed, no 0-termination in name */
+ GNUNET_break_op (0);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_CRYPTO_short_hash (&nrb->public_key,
+ sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded),
+ &pkey_hash);
+ GNUNET_GNS_get_key_for_record (name, &pkey_hash, key);
return GNUNET_OK;
}