/**
* Print an entry in a directory.
*
* @param cls closure (not used)
* @param filename name of the file in the directory
* @param uri URI of the file
* @param meta metadata for the file; metadata for
* the directory if everything else is NULL/zero
* @param length length of the available data for the file
* (of type size_t since data must certainly fit
* into memory; if files are larger than size_t
* permits, then they will certainly not be
* embedded with the directory itself).
* @param data data available for the file (length bytes)
*/
static void
print_entry (void *cls, const char *filename, const struct GNUNET_FS_Uri *uri,
const struct GNUNET_CONTAINER_MetaData *meta, size_t length,
const void *data)
{
char *string;
char *name;
name =
GNUNET_CONTAINER_meta_data_get_by_type (meta,
EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
if (uri == NULL)
{
printf (_("Directory `%s' meta data:\n"), name);
GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
printf ("\n");
printf (_("Directory `%s' contents:\n"), name);
GNUNET_free (name);
return;
}
string = GNUNET_FS_uri_to_string (uri);
printf ("%s (%s):\n", name, string);
GNUNET_free (string);
GNUNET_CONTAINER_meta_data_iterate (meta, &item_printer, NULL);
printf ("\n");
GNUNET_free (name);
}
static int
testKeyword ()
{
char *uri;
struct GNUNET_FS_Uri *ret;
char *emsg;
if (NULL != (ret = GNUNET_FS_uri_parse ("gnunet://fs/ksk/++", &emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
ret = GNUNET_FS_uri_parse ("gnunet://fs/ksk/foo+bar", &emsg);
if (NULL == ret)
{
GNUNET_free (emsg);
GNUNET_assert (0);
}
if (! GNUNET_FS_uri_test_ksk (ret))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
if ((2 != ret->data.ksk.keywordCount) ||
(0 != strcmp (" foo", ret->data.ksk.keywords[0])) ||
(0 != strcmp (" bar", ret->data.ksk.keywords[1])))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
uri = GNUNET_FS_uri_to_string (ret);
if (0 != strcmp (uri, "gnunet://fs/ksk/foo+bar"))
{
GNUNET_free (uri);
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (uri);
GNUNET_FS_uri_destroy (ret);
return 0;
}
/**
* Publish a UBlock.
*
* @param h handle to the file sharing subsystem
* @param dsh datastore handle to use for storage operation
* @param label identifier to use
* @param ulabel update label to use, may be an empty string for none
* @param ns namespace to publish in
* @param meta metadata to use
* @param uri URI to refer to in the UBlock
* @param bo per-block options
* @param options publication options
* @param cont continuation
* @param cont_cls closure for @a cont
* @return NULL on error (@a cont will still be called)
*/
struct GNUNET_FS_PublishUblockContext *
GNUNET_FS_publish_ublock_ (struct GNUNET_FS_Handle *h,
struct GNUNET_DATASTORE_Handle *dsh,
const char *label,
const char *ulabel,
const struct GNUNET_CRYPTO_EcdsaPrivateKey *ns,
const struct GNUNET_CONTAINER_MetaData *meta,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_BlockOptions *bo,
enum GNUNET_FS_PublishOptions options,
GNUNET_FS_UBlockContinuation cont, void *cont_cls)
{
struct GNUNET_FS_PublishUblockContext *uc;
struct GNUNET_HashCode query;
struct GNUNET_CRYPTO_SymmetricInitializationVector iv;
struct GNUNET_CRYPTO_SymmetricSessionKey skey;
struct GNUNET_CRYPTO_EcdsaPrivateKey *nsd;
struct GNUNET_CRYPTO_EcdsaPublicKey pub;
char *uris;
size_t size;
char *kbe;
char *sptr;
ssize_t mdsize;
size_t slen;
size_t ulen;
struct UBlock *ub_plain;
struct UBlock *ub_enc;
/* compute ublock to publish */
if (NULL == meta)
mdsize = 0;
else
mdsize = GNUNET_CONTAINER_meta_data_get_serialized_size (meta);
GNUNET_assert (mdsize >= 0);
uris = GNUNET_FS_uri_to_string (uri);
slen = strlen (uris) + 1;
if (NULL == ulabel)
ulen = 1;
else
ulen = strlen (ulabel) + 1;
size = mdsize + sizeof (struct UBlock) + slen + ulen;
if (size > MAX_UBLOCK_SIZE)
{
size = MAX_UBLOCK_SIZE;
mdsize = size - sizeof (struct UBlock) - (slen + ulen);
}
ub_plain = GNUNET_malloc (size);
kbe = (char *) &ub_plain[1];
if (NULL != ulabel)
memcpy (kbe, ulabel, ulen);
kbe += ulen;
memcpy (kbe, uris, slen);
kbe += slen;
GNUNET_free (uris);
sptr = kbe;
if (NULL != meta)
mdsize =
GNUNET_CONTAINER_meta_data_serialize (meta, &sptr, mdsize,
GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
if (-1 == mdsize)
{
GNUNET_break (0);
GNUNET_free (ub_plain);
cont (cont_cls, _("Internal error."));
return NULL;
}
size = sizeof (struct UBlock) + slen + mdsize + ulen;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Publishing under identifier `%s'\n",
label);
/* get public key of the namespace */
GNUNET_CRYPTO_ecdsa_key_get_public (ns,
&pub);
derive_ublock_encryption_key (&skey, &iv,
label, &pub);
/* encrypt ublock */
ub_enc = GNUNET_malloc (size);
GNUNET_CRYPTO_symmetric_encrypt (&ub_plain[1],
ulen + slen + mdsize,
&skey, &iv,
&ub_enc[1]);
GNUNET_free (ub_plain);
ub_enc->purpose.size = htonl (ulen + slen + mdsize +
sizeof (struct UBlock)
- sizeof (struct GNUNET_CRYPTO_EcdsaSignature));
ub_enc->purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_FS_UBLOCK);
/* derive signing-key from 'label' and public key of the namespace */
nsd = GNUNET_CRYPTO_ecdsa_private_key_derive (ns, label, "fs-ublock");
GNUNET_CRYPTO_ecdsa_key_get_public (nsd,
&ub_enc->verification_key);
GNUNET_assert (GNUNET_OK ==
GNUNET_CRYPTO_ecdsa_sign (nsd,
&ub_enc->purpose,
&ub_enc->signature));
GNUNET_CRYPTO_hash (&ub_enc->verification_key,
sizeof (ub_enc->verification_key),
&query);
GNUNET_free (nsd);
uc = GNUNET_new (struct GNUNET_FS_PublishUblockContext);
uc->cont = cont;
uc->cont_cls = cont_cls;
uc->qre =
GNUNET_DATASTORE_put (dsh, 0, &query,
ulen + slen + mdsize + sizeof (struct UBlock),
ub_enc, GNUNET_BLOCK_TYPE_FS_UBLOCK,
bo->content_priority, bo->anonymity_level,
bo->replication_level, bo->expiration_time,
-2, 1, GNUNET_CONSTANTS_SERVICE_TIMEOUT,
&ublock_put_cont, uc);
return uc;
}
static int
testLocation ()
{
struct GNUNET_FS_Uri *uri;
char *uric;
struct GNUNET_FS_Uri *uri2;
struct GNUNET_FS_Uri *baseURI;
char *emsg;
struct GNUNET_CRYPTO_EddsaPrivateKey *pk;
baseURI =
GNUNET_FS_uri_parse
("gnunet://fs/chk/4QZP479A9SKGFNMQ2ZBCYE71YV2QMTVGWTVPB6A10ASVCKXDHB05DKPSC7ZF6E9P9W1VE47394EQY7NXA47Q6R35M7P1MJPGP59D1Z8.D54QD1K5XCG5878T6YZ19AM60MQ6FC0YNVK7QY08KK0KM0FJJ3KQWYG112FN5T07KN7J0X35DF6WVBT9B8ZMZ3X2BXJ22X3KFQ6MV2G.15999",
&emsg);
GNUNET_assert (baseURI != NULL);
GNUNET_assert (emsg == NULL);
pk = GNUNET_CRYPTO_eddsa_key_create ();
uri = GNUNET_FS_uri_loc_create (baseURI,
pk,
GNUNET_TIME_absolute_get ());
GNUNET_free (pk);
if (NULL == uri)
{
GNUNET_break (0);
GNUNET_FS_uri_destroy (baseURI);
return 1;
}
if (! GNUNET_FS_uri_test_loc (uri))
{
GNUNET_break (0);
GNUNET_FS_uri_destroy (uri);
GNUNET_FS_uri_destroy (baseURI);
return 1;
}
uri2 = GNUNET_FS_uri_loc_get_uri (uri);
if (! GNUNET_FS_uri_test_equal (baseURI, uri2))
{
GNUNET_break (0);
GNUNET_FS_uri_destroy (uri);
GNUNET_FS_uri_destroy (uri2);
GNUNET_FS_uri_destroy (baseURI);
return 1;
}
GNUNET_FS_uri_destroy (uri2);
GNUNET_FS_uri_destroy (baseURI);
uric = GNUNET_FS_uri_to_string (uri);
#if 0
/* not for the faint of heart: */
printf ("URI: `%s'\n", uric);
#endif
uri2 = GNUNET_FS_uri_parse (uric, &emsg);
GNUNET_free (uric);
if (uri2 == NULL)
{
fprintf (stderr, "URI parsing failed: %s\n", emsg);
GNUNET_break (0);
GNUNET_FS_uri_destroy (uri);
GNUNET_free (emsg);
return 1;
}
GNUNET_assert (NULL == emsg);
if (GNUNET_YES != GNUNET_FS_uri_test_equal (uri, uri2))
{
GNUNET_break (0);
GNUNET_FS_uri_destroy (uri);
GNUNET_FS_uri_destroy (uri2);
return 1;
}
GNUNET_FS_uri_destroy (uri2);
GNUNET_FS_uri_destroy (uri);
return 0;
}
static int
testFile (int i)
{
char *uri;
struct GNUNET_FS_Uri *ret;
char *emsg;
if (NULL !=
(ret =
GNUNET_FS_uri_parse
("gnunet://fs/chk/C282GG70GKK41O4551011DO413KFBVTVMQG1OG30I0K4045N0G41HAPB82G680A02JRVVFO8URVRU2F159011DO41000000022RG820.RNVVVVOOLCLK065B5D04HTNVNSIB2AI022RG8200HSLK1CO1000ATQ98824DMA2032LIMG50CG0K057NVUVG200000H00000440000.42",
&emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
if (NULL !=
(ret =
GNUNET_FS_uri_parse
("gnunet://fs/chk/C282GG70GKK41O4551011DO413KFBVTVMQG1OG30I0K4045N0G41HAPB82G680A02JRVVFO8URVRU2F159011DO41000000022RG820.RNVVVVOOLCLK065B5D04HTNVNSIB2AI022RG8200HSLK1CO1000ATQ98824DMA2032LIMG50CG0K057NVUVG200000H000004400000",
&emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
if (NULL !=
(ret =
GNUNET_FS_uri_parse
("gnunet://fs/chk/C282GG70GKK41O4551011DO413KFBVTVMQG1OG30I0K4045N0G41HAPB82G680A02JRVVFO8URVRU2F159011DO41000000022RG820.RNVVVVOOLCLK065B5D04HTNVNSIB2AI022RG8200HSLK1CO1000ATQ98824DMA2032LIMG50CG0K057NVUVG200000H000004400000.FGH",
&emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
ret =
GNUNET_FS_uri_parse
("gnunet://fs/chk/4QZP479A9SKGFNMQ2ZBCYE71YV2QMTVGWTVPB6A10ASVCKXDHB05DKPSC7ZF6E9P9W1VE47394EQY7NXA47Q6R35M7P1MJPGP59D1Z8.D54QD1K5XCG5878T6YZ19AM60MQ6FC0YNVK7QY08KK0KM0FJJ3KQWYG112FN5T07KN7J0X35DF6WVBT9B8ZMZ3X2BXJ22X3KFQ6MV2G.42",
&emsg);
if (ret == NULL)
{
GNUNET_free (emsg);
GNUNET_assert (0);
}
if (GNUNET_FS_uri_test_ksk (ret))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
if (GNUNET_FS_uri_test_sks (ret))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
if (GNUNET_ntohll (ret->data.chk.file_length) != 42)
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
uri = GNUNET_FS_uri_to_string (ret);
if (0 !=
strcmp (uri,
"gnunet://fs/chk/4QZP479A9SKGFNMQ2ZBCYE71YV2QMTVGWTVPB6A10ASVCKXDHB05DKPSC7ZF6E9P9W1VE47394EQY7NXA47Q6R35M7P1MJPGP59D1Z8.D54QD1K5XCG5878T6YZ19AM60MQ6FC0YNVK7QY08KK0KM0FJJ3KQWYG112FN5T07KN7J0X35DF6WVBT9B8ZMZ3X2BXJ22X3KFQ6MV2G.42"))
{
GNUNET_free (uri);
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (uri);
GNUNET_FS_uri_destroy (ret);
return 0;
}
static int
testNamespace (int i)
{
char *uri;
struct GNUNET_FS_Uri *ret;
char *emsg;
struct GNUNET_CRYPTO_EcdsaPrivateKey *ph;
struct GNUNET_CRYPTO_EcdsaPublicKey id;
char buf[1024];
char ubuf[1024];
char *sret;
if (NULL !=
(ret =
GNUNET_FS_uri_parse ("gnunet://fs/sks/D1KJS9H2A82Q65VKQ0ML3RFU6U1D3VUK",
&emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
if (NULL !=
(ret =
GNUNET_FS_uri_parse
("gnunet://fs/sks/XQHH4R288W26EBV369F6RCE0PJVJTX2Y74Q2FJPMPGA31HJX2JG/this", &emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
if (NULL != (ret = GNUNET_FS_uri_parse ("gnunet://fs/sks/test", &emsg)))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
GNUNET_free (emsg);
ph = GNUNET_CRYPTO_ecdsa_key_create ();
GNUNET_CRYPTO_ecdsa_key_get_public (ph, &id);
sret = GNUNET_STRINGS_data_to_string (&id, sizeof (id),
ubuf, sizeof (ubuf) - 1);
GNUNET_assert (NULL != sret);
sret[0] = '\0';
GNUNET_snprintf (buf, sizeof (buf),
"gnunet://fs/sks/%s/test",
ubuf);
ret = GNUNET_FS_uri_parse (buf, &emsg);
if (NULL == ret)
{
GNUNET_free (emsg);
GNUNET_assert (0);
}
if (GNUNET_FS_uri_test_ksk (ret))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
if (!GNUNET_FS_uri_test_sks (ret))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_assert (0);
}
uri = GNUNET_FS_uri_to_string (ret);
if (0 !=
strcmp (uri,
buf))
{
GNUNET_FS_uri_destroy (ret);
GNUNET_free (uri);
GNUNET_assert (0);
}
GNUNET_free (uri);
GNUNET_FS_uri_destroy (ret);
return 0;
}
/**
* Publish a CHK under various keywords on GNUnet.
*
* @param h handle to the file sharing subsystem
* @param ksk_uri keywords to use
* @param meta metadata to use
* @param uri URI to refer to in the KBlock
* @param bo per-block options
* @param options publication options
* @param cont continuation
* @param cont_cls closure for cont
* @return NULL on error ('cont' will still be called)
*/
struct GNUNET_FS_PublishKskContext *
GNUNET_FS_publish_ksk (struct GNUNET_FS_Handle *h,
const struct GNUNET_FS_Uri *ksk_uri,
const struct GNUNET_CONTAINER_MetaData *meta,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_BlockOptions *bo,
enum GNUNET_FS_PublishOptions options,
GNUNET_FS_PublishContinuation cont, void *cont_cls)
{
struct GNUNET_FS_PublishKskContext *pkc;
char *uris;
size_t size;
char *kbe;
char *sptr;
GNUNET_assert (NULL != uri);
pkc = GNUNET_malloc (sizeof (struct GNUNET_FS_PublishKskContext));
pkc->h = h;
pkc->bo = *bo;
pkc->cont = cont;
pkc->cont_cls = cont_cls;
if (0 == (options & GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY))
{
pkc->dsh = GNUNET_DATASTORE_connect (h->cfg);
if (NULL == pkc->dsh)
{
cont (cont_cls, NULL, _("Could not connect to datastore."));
GNUNET_free (pkc);
return NULL;
}
}
if (meta == NULL)
pkc->mdsize = 0;
else
pkc->mdsize = GNUNET_CONTAINER_meta_data_get_serialized_size (meta);
GNUNET_assert (pkc->mdsize >= 0);
uris = GNUNET_FS_uri_to_string (uri);
pkc->slen = strlen (uris) + 1;
size = pkc->mdsize + sizeof (struct KBlock) + pkc->slen;
if (size > MAX_KBLOCK_SIZE)
{
size = MAX_KBLOCK_SIZE;
pkc->mdsize = size - sizeof (struct KBlock) - pkc->slen;
}
pkc->kb = GNUNET_malloc (size);
kbe = (char *) &pkc->kb[1];
memcpy (kbe, uris, pkc->slen);
GNUNET_free (uris);
sptr = &kbe[pkc->slen];
if (meta != NULL)
pkc->mdsize =
GNUNET_CONTAINER_meta_data_serialize (meta, &sptr, pkc->mdsize,
GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
if (-1 == pkc->mdsize)
{
GNUNET_break (0);
GNUNET_free (pkc->kb);
if (pkc->dsh != NULL)
{
GNUNET_DATASTORE_disconnect (pkc->dsh, GNUNET_NO);
pkc->dsh = NULL;
}
GNUNET_free (pkc);
cont (cont_cls, NULL, _("Internal error."));
return NULL;
}
size = sizeof (struct KBlock) + pkc->slen + pkc->mdsize;
pkc->cpy = GNUNET_malloc (size);
pkc->cpy->purpose.size =
htonl (sizeof (struct GNUNET_CRYPTO_RsaSignaturePurpose) +
sizeof (struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded) +
pkc->mdsize + pkc->slen);
pkc->cpy->purpose.purpose = htonl (GNUNET_SIGNATURE_PURPOSE_FS_KBLOCK);
pkc->ksk_uri = GNUNET_FS_uri_dup (ksk_uri);
pkc->ksk_task = GNUNET_SCHEDULER_add_now (&publish_ksk_cont, pkc);
return pkc;
}
/**
* Called by FS client to give information about the progress of an
* operation.
*
* @param cls closure
* @param info details about the event, specifying the event type
* and various bits about the event
* @return client-context (for the next progress call
* for this operation; should be set to NULL for
* SUSPEND and STOPPED events). The value returned
* will be passed to future callbacks in the respective
* field in the GNUNET_FS_ProgressInfo struct.
*/
static void *
progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
{
static unsigned int cnt;
int is_directory;
char *uri;
char *filename;
switch (info->status)
{
case GNUNET_FS_STATUS_SEARCH_START:
break;
case GNUNET_FS_STATUS_SEARCH_RESULT:
if (db != NULL)
GNUNET_FS_directory_builder_add (db,
info->value.search.specifics.result.uri,
info->value.search.specifics.result.meta,
NULL);
uri = GNUNET_FS_uri_to_string (info->value.search.specifics.result.uri);
printf ("#%u:\n", cnt++);
filename =
GNUNET_CONTAINER_meta_data_get_by_type (info->value.search.
specifics.result.meta,
EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
is_directory =
GNUNET_FS_meta_data_test_for_directory (info->value.search.
specifics.result.meta);
if (filename != NULL)
{
GNUNET_DISK_filename_canonicalize (filename);
if (GNUNET_YES == is_directory)
printf ("gnunet-download -o \"%s%s\" -R %s\n", filename, GNUNET_FS_DIRECTORY_EXT, uri);
else
printf ("gnunet-download -o \"%s\" %s\n", filename, uri);
}
else if (GNUNET_YES == is_directory)
printf ("gnunet-download -o \"collection%s\" -R %s\n", GNUNET_FS_DIRECTORY_EXT, uri);
else
printf ("gnunet-download %s\n", uri);
if (verbose)
GNUNET_CONTAINER_meta_data_iterate (info->value.search.specifics.
result.meta, &item_printer, NULL);
printf ("\n");
fflush (stdout);
GNUNET_free_non_null (filename);
GNUNET_free (uri);
results++;
if ((results_limit > 0) && (results >= results_limit))
GNUNET_SCHEDULER_shutdown ();
break;
case GNUNET_FS_STATUS_SEARCH_UPDATE:
break;
case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
/* ignore */
break;
case GNUNET_FS_STATUS_SEARCH_ERROR:
FPRINTF (stderr, _("Error searching: %s.\n"),
info->value.search.specifics.error.message);
GNUNET_SCHEDULER_shutdown ();
break;
case GNUNET_FS_STATUS_SEARCH_STOPPED:
GNUNET_SCHEDULER_add_now (&clean_task, NULL);
break;
default:
FPRINTF (stderr, _("Unexpected status: %d\n"), info->status);
break;
}
return NULL;
}
/**
* Add an entry to a directory.
*
* @param bld directory to extend
* @param uri uri of the entry (must not be a KSK)
* @param md metadata of the entry
* @param data raw data of the entry, can be NULL, otherwise
* data must point to exactly the number of bytes specified
* by the uri which must be of type LOC or CHK
*/
void
GNUNET_FS_directory_builder_add (struct GNUNET_FS_DirectoryBuilder *bld,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_CONTAINER_MetaData *md,
const void *data)
{
struct GNUNET_FS_Uri *curi;
struct BuilderEntry *e;
uint64_t fsize;
uint32_t big;
ssize_t ret;
size_t mds;
size_t mdxs;
char *uris;
char *ser;
char *sptr;
size_t slen;
struct GNUNET_CONTAINER_MetaData *meta;
const struct GNUNET_CONTAINER_MetaData *meta_use;
GNUNET_assert (!GNUNET_FS_uri_test_ksk (uri));
if (NULL != data)
{
GNUNET_assert (!GNUNET_FS_uri_test_sks (uri));
if (GNUNET_FS_uri_test_chk (uri))
{
fsize = GNUNET_FS_uri_chk_get_file_size (uri);
}
else
{
curi = GNUNET_FS_uri_loc_get_uri (uri);
GNUNET_assert (NULL != curi);
fsize = GNUNET_FS_uri_chk_get_file_size (curi);
GNUNET_FS_uri_destroy (curi);
}
}
else
{
fsize = 0; /* not given */
}
if (fsize > MAX_INLINE_SIZE)
fsize = 0; /* too large */
uris = GNUNET_FS_uri_to_string (uri);
slen = strlen (uris) + 1;
mds = GNUNET_CONTAINER_meta_data_get_serialized_size (md);
meta_use = md;
meta = NULL;
if (fsize > 0)
{
meta = GNUNET_CONTAINER_meta_data_duplicate (md);
GNUNET_CONTAINER_meta_data_insert (meta, "<gnunet>",
EXTRACTOR_METATYPE_GNUNET_FULL_DATA,
EXTRACTOR_METAFORMAT_BINARY, NULL, data,
fsize);
mdxs = GNUNET_CONTAINER_meta_data_get_serialized_size (meta);
if ((slen + sizeof (uint32_t) + mdxs - 1) / DBLOCK_SIZE ==
(slen + sizeof (uint32_t) + mds - 1) / DBLOCK_SIZE)
{
/* adding full data would not cause us to cross
* additional blocks, so add it! */
meta_use = meta;
mds = mdxs;
}
}
if (mds > GNUNET_MAX_MALLOC_CHECKED / 2)
mds = GNUNET_MAX_MALLOC_CHECKED / 2;
e = GNUNET_malloc (sizeof (struct BuilderEntry) + slen + mds +
sizeof (uint32_t));
ser = (char *) &e[1];
memcpy (ser, uris, slen);
GNUNET_free (uris);
sptr = &ser[slen + sizeof (uint32_t)];
ret =
GNUNET_CONTAINER_meta_data_serialize (meta_use, &sptr, mds,
GNUNET_CONTAINER_META_DATA_SERIALIZE_PART);
if (NULL != meta)
GNUNET_CONTAINER_meta_data_destroy (meta);
if (ret == -1)
mds = 0;
else
mds = ret;
big = htonl (mds);
memcpy (&ser[slen], &big, sizeof (uint32_t));
e->len = slen + sizeof (uint32_t) + mds;
e->next = bld->head;
bld->head = e;
bld->count++;
}