WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Affero General Public License for more details.
-
+
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
SPDX-License-Identifier: AGPL3.0-or-later
-*/
+ */
/**
* @file fs/gnunet-service-fs_indexing.c
* In-memory information about indexed files (also available
* on-disk).
*/
-struct IndexInfo
-{
-
+struct IndexInfo {
/**
* This is a doubly linked list.
*/
* Write the current index information list to disk.
*/
static void
-write_index_list ()
+write_index_list()
{
struct GNUNET_BIO_WriteHandle *wh;
char *fn;
struct IndexInfo *pos;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "FS", "INDEXDB", &fn))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "fs",
- "INDEXDB");
- return;
- }
- wh = GNUNET_BIO_write_open (fn);
+ GNUNET_CONFIGURATION_get_value_filename(cfg, "FS", "INDEXDB", &fn))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "fs",
+ "INDEXDB");
+ return;
+ }
+ wh = GNUNET_BIO_write_open(fn);
if (NULL == wh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- _ ("Could not open `%s'.\n"),
- fn);
- GNUNET_free (fn);
- return;
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ _("Could not open `%s'.\n"),
+ fn);
+ GNUNET_free(fn);
+ return;
+ }
for (pos = indexed_files_head; NULL != pos; pos = pos->next)
- if ((GNUNET_OK != GNUNET_BIO_write (wh,
- &pos->file_id,
- sizeof (struct GNUNET_HashCode))) ||
- (GNUNET_OK != GNUNET_BIO_write_string (wh, pos->filename)))
+ if ((GNUNET_OK != GNUNET_BIO_write(wh,
+ &pos->file_id,
+ sizeof(struct GNUNET_HashCode))) ||
+ (GNUNET_OK != GNUNET_BIO_write_string(wh, pos->filename)))
break;
- if (GNUNET_OK != GNUNET_BIO_write_close (wh))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- _ ("Error writing `%s'.\n"),
- fn);
- GNUNET_free (fn);
- return;
- }
- GNUNET_free (fn);
+ if (GNUNET_OK != GNUNET_BIO_write_close(wh))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ _("Error writing `%s'.\n"),
+ fn);
+ GNUNET_free(fn);
+ return;
+ }
+ GNUNET_free(fn);
}
* Read index information from disk.
*/
static void
-read_index_list ()
+read_index_list()
{
struct GNUNET_BIO_ReadHandle *rh;
char *fn;
char *emsg;
if (GNUNET_OK !=
- GNUNET_CONFIGURATION_get_value_filename (cfg, "FS", "INDEXDB", &fn))
- {
- GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- "fs",
- "INDEXDB");
- return;
- }
- if (GNUNET_NO == GNUNET_DISK_file_test (fn))
- {
- /* no index info yet */
- GNUNET_free (fn);
- return;
- }
- rh = GNUNET_BIO_read_open (fn);
+ GNUNET_CONFIGURATION_get_value_filename(cfg, "FS", "INDEXDB", &fn))
+ {
+ GNUNET_log_config_missing(GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ "fs",
+ "INDEXDB");
+ return;
+ }
+ if (GNUNET_NO == GNUNET_DISK_file_test(fn))
+ {
+ /* no index info yet */
+ GNUNET_free(fn);
+ return;
+ }
+ rh = GNUNET_BIO_read_open(fn);
if (NULL == rh)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
- _ ("Could not open `%s'.\n"),
- fn);
- GNUNET_free (fn);
- return;
- }
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR | GNUNET_ERROR_TYPE_BULK,
+ _("Could not open `%s'.\n"),
+ fn);
+ GNUNET_free(fn);
+ return;
+ }
while (
- (GNUNET_OK == GNUNET_BIO_read (rh,
- "Hash of indexed file",
- &hc,
- sizeof (struct GNUNET_HashCode))) &&
+ (GNUNET_OK == GNUNET_BIO_read(rh,
+ "Hash of indexed file",
+ &hc,
+ sizeof(struct GNUNET_HashCode))) &&
(GNUNET_OK ==
- GNUNET_BIO_read_string (rh, "Name of indexed file", &fname, 1024 * 16)) &&
+ GNUNET_BIO_read_string(rh, "Name of indexed file", &fname, 1024 * 16)) &&
(fname != NULL))
- {
- slen = strlen (fname) + 1;
- pos = GNUNET_malloc (sizeof (struct IndexInfo) + slen);
- pos->file_id = hc;
- pos->filename = (const char *) &pos[1];
- GNUNET_memcpy (&pos[1], fname, slen);
- if (GNUNET_SYSERR == GNUNET_CONTAINER_multihashmap_put (
- ifm,
- &pos->file_id,
- pos,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
- {
- GNUNET_free (pos);
- }
- else
{
- GNUNET_CONTAINER_DLL_insert (indexed_files_head, indexed_files_tail, pos);
+ slen = strlen(fname) + 1;
+ pos = GNUNET_malloc(sizeof(struct IndexInfo) + slen);
+ pos->file_id = hc;
+ pos->filename = (const char *)&pos[1];
+ GNUNET_memcpy(&pos[1], fname, slen);
+ if (GNUNET_SYSERR == GNUNET_CONTAINER_multihashmap_put(
+ ifm,
+ &pos->file_id,
+ pos,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY))
+ {
+ GNUNET_free(pos);
+ }
+ else
+ {
+ GNUNET_CONTAINER_DLL_insert(indexed_files_head, indexed_files_tail, pos);
+ }
+ GNUNET_free(fname);
}
- GNUNET_free (fname);
- }
- if (GNUNET_OK != GNUNET_BIO_read_close (rh, &emsg))
- GNUNET_free (emsg);
- GNUNET_free (fn);
+ if (GNUNET_OK != GNUNET_BIO_read_close(rh, &emsg))
+ GNUNET_free(emsg);
+ GNUNET_free(fn);
}
* @param msg error message
*/
static void
-remove_cont (void *cls,
- int success,
- struct GNUNET_TIME_Absolute min_expiration,
- const char *msg)
+remove_cont(void *cls,
+ int success,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *msg)
{
if (GNUNET_OK != success)
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _ ("Failed to delete bogus block: %s\n"),
- msg);
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to delete bogus block: %s\n"),
+ msg);
}
* @return GNUNET_OK on success
*/
int
-GNUNET_FS_handle_on_demand_block (const struct GNUNET_HashCode *key,
- uint32_t size,
- const void *data,
- enum GNUNET_BLOCK_Type type,
- uint32_t priority,
- uint32_t anonymity,
- uint32_t replication,
- struct GNUNET_TIME_Absolute expiration,
- uint64_t uid,
- GNUNET_DATASTORE_DatumProcessor cont,
- void *cont_cls)
+GNUNET_FS_handle_on_demand_block(const struct GNUNET_HashCode *key,
+ uint32_t size,
+ const void *data,
+ enum GNUNET_BLOCK_Type type,
+ uint32_t priority,
+ uint32_t anonymity,
+ uint32_t replication,
+ struct GNUNET_TIME_Absolute expiration,
+ uint64_t uid,
+ GNUNET_DATASTORE_DatumProcessor cont,
+ void *cont_cls)
{
const struct OnDemandBlock *odb;
struct GNUNET_HashCode nkey;
uint64_t off;
struct IndexInfo *ii;
- if (size != sizeof (struct OnDemandBlock))
- {
- GNUNET_break (0);
- GNUNET_DATASTORE_remove (dsh, key, size, data, -1, -1, &remove_cont, NULL);
- return GNUNET_SYSERR;
- }
- odb = (const struct OnDemandBlock *) data;
- off = GNUNET_ntohll (odb->offset);
- ii = GNUNET_CONTAINER_multihashmap_get (ifm, &odb->file_id);
+ if (size != sizeof(struct OnDemandBlock))
+ {
+ GNUNET_break(0);
+ GNUNET_DATASTORE_remove(dsh, key, size, data, -1, -1, &remove_cont, NULL);
+ return GNUNET_SYSERR;
+ }
+ odb = (const struct OnDemandBlock *)data;
+ off = GNUNET_ntohll(odb->offset);
+ ii = GNUNET_CONTAINER_multihashmap_get(ifm, &odb->file_id);
if (NULL == ii)
- {
- GNUNET_break (0);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Failed to find index %s\n",
- GNUNET_h2s (&odb->file_id));
- return GNUNET_SYSERR;
- }
+ {
+ GNUNET_break(0);
+ GNUNET_log(GNUNET_ERROR_TYPE_ERROR,
+ "Failed to find index %s\n",
+ GNUNET_h2s(&odb->file_id));
+ return GNUNET_SYSERR;
+ }
fn = ii->filename;
- if ((NULL == fn) || (0 != access (fn, R_OK)))
- {
- GNUNET_STATISTICS_update (
- GSF_stats,
- gettext_noop ("# index blocks removed: original file inaccessible"),
- 1,
- GNUNET_YES);
- GNUNET_DATASTORE_remove (dsh, key, size, data, -1, -1, &remove_cont, NULL);
- return GNUNET_SYSERR;
- }
- if ((NULL == (fh = GNUNET_DISK_file_open (fn,
- GNUNET_DISK_OPEN_READ,
- GNUNET_DISK_PERM_NONE))) ||
- (off != GNUNET_DISK_file_seek (fh, off, GNUNET_DISK_SEEK_SET)) ||
- (-1 == (nsize = GNUNET_DISK_file_read (fh, ndata, sizeof (ndata)))))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _ (
- "Could not access indexed file `%s' (%s) at offset %llu: %s\n"),
- GNUNET_h2s (&odb->file_id),
- fn,
- (unsigned long long) off,
- (fn == NULL) ? _ ("not indexed") : strerror (errno));
- if (fh != NULL)
- GNUNET_DISK_file_close (fh);
- GNUNET_DATASTORE_remove (dsh, key, size, data, -1, -1, &remove_cont, NULL);
- return GNUNET_SYSERR;
- }
- GNUNET_DISK_file_close (fh);
- GNUNET_CRYPTO_hash (ndata, nsize, &nkey);
- GNUNET_CRYPTO_hash_to_aes_key (&nkey, &skey, &iv);
- GNUNET_CRYPTO_symmetric_encrypt (ndata, nsize, &skey, &iv, edata);
- GNUNET_CRYPTO_hash (edata, nsize, &query);
- if (0 != memcmp (&query, key, sizeof (struct GNUNET_HashCode)))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _ ("Indexed file `%s' changed at offset %llu\n"),
- fn,
- (unsigned long long) off);
- GNUNET_DATASTORE_remove (dsh, key, size, data, -1, -1, &remove_cont, NULL);
- return GNUNET_SYSERR;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "On-demand encoded block for query `%s'\n",
- GNUNET_h2s (key));
- cont (cont_cls,
- key,
- nsize,
- edata,
- GNUNET_BLOCK_TYPE_FS_DBLOCK,
- priority,
- anonymity,
- replication,
- expiration,
- uid);
+ if ((NULL == fn) || (0 != access(fn, R_OK)))
+ {
+ GNUNET_STATISTICS_update(
+ GSF_stats,
+ gettext_noop("# index blocks removed: original file inaccessible"),
+ 1,
+ GNUNET_YES);
+ GNUNET_DATASTORE_remove(dsh, key, size, data, -1, -1, &remove_cont, NULL);
+ return GNUNET_SYSERR;
+ }
+ if ((NULL == (fh = GNUNET_DISK_file_open(fn,
+ GNUNET_DISK_OPEN_READ,
+ GNUNET_DISK_PERM_NONE))) ||
+ (off != GNUNET_DISK_file_seek(fh, off, GNUNET_DISK_SEEK_SET)) ||
+ (-1 == (nsize = GNUNET_DISK_file_read(fh, ndata, sizeof(ndata)))))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
+ _(
+ "Could not access indexed file `%s' (%s) at offset %llu: %s\n"),
+ GNUNET_h2s(&odb->file_id),
+ fn,
+ (unsigned long long)off,
+ (fn == NULL) ? _("not indexed") : strerror(errno));
+ if (fh != NULL)
+ GNUNET_DISK_file_close(fh);
+ GNUNET_DATASTORE_remove(dsh, key, size, data, -1, -1, &remove_cont, NULL);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_DISK_file_close(fh);
+ GNUNET_CRYPTO_hash(ndata, nsize, &nkey);
+ GNUNET_CRYPTO_hash_to_aes_key(&nkey, &skey, &iv);
+ GNUNET_CRYPTO_symmetric_encrypt(ndata, nsize, &skey, &iv, edata);
+ GNUNET_CRYPTO_hash(edata, nsize, &query);
+ if (0 != memcmp(&query, key, sizeof(struct GNUNET_HashCode)))
+ {
+ GNUNET_log(GNUNET_ERROR_TYPE_WARNING,
+ _("Indexed file `%s' changed at offset %llu\n"),
+ fn,
+ (unsigned long long)off);
+ GNUNET_DATASTORE_remove(dsh, key, size, data, -1, -1, &remove_cont, NULL);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "On-demand encoded block for query `%s'\n",
+ GNUNET_h2s(key));
+ cont(cont_cls,
+ key,
+ nsize,
+ edata,
+ GNUNET_BLOCK_TYPE_FS_DBLOCK,
+ priority,
+ anonymity,
+ replication,
+ expiration,
+ uid);
return GNUNET_OK;
}
* @param mq message queue to send information to
*/
void
-GNUNET_FS_indexing_send_list (struct GNUNET_MQ_Handle *mq)
+GNUNET_FS_indexing_send_list(struct GNUNET_MQ_Handle *mq)
{
struct GNUNET_MQ_Envelope *env;
struct IndexInfoMessage *iim;
struct IndexInfo *pos;
for (pos = indexed_files_head; NULL != pos; pos = pos->next)
- {
- fn = pos->filename;
- slen = strlen (fn) + 1;
- if (slen + sizeof (struct IndexInfoMessage) >= GNUNET_MAX_MESSAGE_SIZE)
{
- GNUNET_break (0);
- break;
+ fn = pos->filename;
+ slen = strlen(fn) + 1;
+ if (slen + sizeof(struct IndexInfoMessage) >= GNUNET_MAX_MESSAGE_SIZE)
+ {
+ GNUNET_break(0);
+ break;
+ }
+ env =
+ GNUNET_MQ_msg_extra(iim, slen, GNUNET_MESSAGE_TYPE_FS_INDEX_LIST_ENTRY);
+ iim->reserved = 0;
+ iim->file_id = pos->file_id;
+ GNUNET_memcpy(&iim[1], fn, slen);
+ GNUNET_MQ_send(mq, env);
}
- env =
- GNUNET_MQ_msg_extra (iim, slen, GNUNET_MESSAGE_TYPE_FS_INDEX_LIST_ENTRY);
- iim->reserved = 0;
- iim->file_id = pos->file_id;
- GNUNET_memcpy (&iim[1], fn, slen);
- GNUNET_MQ_send (mq, env);
- }
- env = GNUNET_MQ_msg (iem, GNUNET_MESSAGE_TYPE_FS_INDEX_LIST_END);
- GNUNET_MQ_send (mq, env);
+ env = GNUNET_MQ_msg(iem, GNUNET_MESSAGE_TYPE_FS_INDEX_LIST_END);
+ GNUNET_MQ_send(mq, env);
}
* @return #GNUNET_YES if the @a fid was found
*/
int
-GNUNET_FS_indexing_do_unindex (const struct GNUNET_HashCode *fid)
+GNUNET_FS_indexing_do_unindex(const struct GNUNET_HashCode *fid)
{
struct IndexInfo *pos;
for (pos = indexed_files_head; NULL != pos; pos = pos->next)
- {
- if (0 == memcmp (&pos->file_id, fid, sizeof (struct GNUNET_HashCode)))
{
- GNUNET_CONTAINER_DLL_remove (indexed_files_head, indexed_files_tail, pos);
- GNUNET_break (
- GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_remove (ifm, &pos->file_id, pos));
- GNUNET_free (pos);
- write_index_list ();
- return GNUNET_YES;
+ if (0 == memcmp(&pos->file_id, fid, sizeof(struct GNUNET_HashCode)))
+ {
+ GNUNET_CONTAINER_DLL_remove(indexed_files_head, indexed_files_tail, pos);
+ GNUNET_break(
+ GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_remove(ifm, &pos->file_id, pos));
+ GNUNET_free(pos);
+ write_index_list();
+ return GNUNET_YES;
+ }
}
- }
return GNUNET_NO;
}
* @param file_id hash identifier for @a filename
*/
void
-GNUNET_FS_add_to_index (const char *filename,
- const struct GNUNET_HashCode *file_id)
+GNUNET_FS_add_to_index(const char *filename,
+ const struct GNUNET_HashCode *file_id)
{
struct IndexInfo *ii;
size_t slen;
- ii = GNUNET_CONTAINER_multihashmap_get (ifm, file_id);
+ ii = GNUNET_CONTAINER_multihashmap_get(ifm, file_id);
if (NULL != ii)
- {
- GNUNET_log (
- GNUNET_ERROR_TYPE_INFO,
- _ (
- "Index request received for file `%s' is already indexed as `%s'. Permitting anyway.\n"),
- filename,
- ii->filename);
- return;
- }
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Adding file %s to index as %s\n",
- filename,
- GNUNET_h2s (file_id));
- slen = strlen (filename) + 1;
- ii = GNUNET_malloc (sizeof (struct IndexInfo) + slen);
+ {
+ GNUNET_log(
+ GNUNET_ERROR_TYPE_INFO,
+ _(
+ "Index request received for file `%s' is already indexed as `%s'. Permitting anyway.\n"),
+ filename,
+ ii->filename);
+ return;
+ }
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Adding file %s to index as %s\n",
+ filename,
+ GNUNET_h2s(file_id));
+ slen = strlen(filename) + 1;
+ ii = GNUNET_malloc(sizeof(struct IndexInfo) + slen);
ii->file_id = *file_id;
- ii->filename = (const char *) &ii[1];
- GNUNET_memcpy (&ii[1], filename, slen);
- GNUNET_CONTAINER_DLL_insert (indexed_files_head, indexed_files_tail, ii);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_put (
- ifm,
- &ii->file_id,
- ii,
- GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
- write_index_list ();
+ ii->filename = (const char *)&ii[1];
+ GNUNET_memcpy(&ii[1], filename, slen);
+ GNUNET_CONTAINER_DLL_insert(indexed_files_head, indexed_files_tail, ii);
+ GNUNET_assert(GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_put(
+ ifm,
+ &ii->file_id,
+ ii,
+ GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
+ write_index_list();
}
* Shutdown the module.
*/
void
-GNUNET_FS_indexing_done ()
+GNUNET_FS_indexing_done()
{
struct IndexInfo *pos;
while (NULL != (pos = indexed_files_head))
- {
- GNUNET_CONTAINER_DLL_remove (indexed_files_head, indexed_files_tail, pos);
- if (pos->fhc != NULL)
- GNUNET_CRYPTO_hash_file_cancel (pos->fhc);
- GNUNET_break (
- GNUNET_OK ==
- GNUNET_CONTAINER_multihashmap_remove (ifm, &pos->file_id, pos));
- GNUNET_free (pos);
- }
- GNUNET_CONTAINER_multihashmap_destroy (ifm);
+ {
+ GNUNET_CONTAINER_DLL_remove(indexed_files_head, indexed_files_tail, pos);
+ if (pos->fhc != NULL)
+ GNUNET_CRYPTO_hash_file_cancel(pos->fhc);
+ GNUNET_break(
+ GNUNET_OK ==
+ GNUNET_CONTAINER_multihashmap_remove(ifm, &pos->file_id, pos));
+ GNUNET_free(pos);
+ }
+ GNUNET_CONTAINER_multihashmap_destroy(ifm);
ifm = NULL;
cfg = NULL;
}
* @param d datastore to use
*/
int
-GNUNET_FS_indexing_init (const struct GNUNET_CONFIGURATION_Handle *c,
- struct GNUNET_DATASTORE_Handle *d)
+GNUNET_FS_indexing_init(const struct GNUNET_CONFIGURATION_Handle *c,
+ struct GNUNET_DATASTORE_Handle *d)
{
cfg = c;
dsh = d;
- ifm = GNUNET_CONTAINER_multihashmap_create (128, GNUNET_YES);
- read_index_list ();
+ ifm = GNUNET_CONTAINER_multihashmap_create(128, GNUNET_YES);
+ read_index_list();
return GNUNET_OK;
}
projects / oweals / gnunet.git / blobdiff