* Exim - an Internet mail transport agent *
*************************************************/
+/* Copyright (c) The Exim Maintainers 2020 - 2022 */
/* Copyright (c) University of Cambridge 1995 - 2018 */
-/* Copyright (c) The Exim Maintainers 2020 - 2021 */
/* See the file NOTICE for conditions of use and distribution. */
-/*************************************************
-* Berkeley DB error callback *
-*************************************************/
-
-/* For Berkeley DB >= 2, we can define a function to be called in case of DB
-errors. This should help with debugging strange DB problems, e.g. getting "File
-exists" when you try to open a db file. The API for this function was changed
-at DB release 4.3. */
-
-#if defined(USE_DB) && defined(DB_VERSION_STRING)
-void
-#if DB_VERSION_MAJOR > 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR >= 3)
-dbfn_bdb_error_callback(const DB_ENV *dbenv, const char *pfx, const char *msg)
-{
-dbenv = dbenv;
-#else
-dbfn_bdb_error_callback(const char *pfx, char *msg)
-{
-#endif
-pfx = pfx;
-log_write(0, LOG_MAIN, "Berkeley DB error: %s", msg);
-}
-#endif
-
-
/*************************************************
* Open and lock a database file *
*************************************************/
snprintf(CS filename, sizeof(filename), "%s/%s", dirname, name);
priv_drop_temp(exim_uid, exim_gid);
-EXIM_DBOPEN(filename, dirname, flags, EXIMDB_MODE, &(dbblock->dbptr));
+dbblock->dbptr = exim_dbopen(filename, dirname, flags, EXIMDB_MODE);
if (!dbblock->dbptr && errno == ENOENT && flags == O_RDWR)
{
DEBUG(D_hints_lookup)
debug_printf_indent("%s appears not to exist: trying to create\n", filename);
- EXIM_DBOPEN(filename, dirname, flags|O_CREAT, EXIMDB_MODE, &(dbblock->dbptr));
+ dbblock->dbptr = exim_dbopen(filename, dirname, flags|O_CREAT, EXIMDB_MODE);
}
save_errno = errno;
priv_restore();
void
dbfn_close(open_db *dbblock)
{
-EXIM_DBCLOSE(dbblock->dbptr);
+exim_dbclose(dbblock->dbptr);
(void)close(dbblock->lockfd);
DEBUG(D_hints_lookup)
{ debug_printf_indent("closed hints database and lockfile\n"); acl_level--; }
void *yield;
EXIM_DATUM key_datum, result_datum;
int klen = Ustrlen(key) + 1;
-uschar * key_copy = store_get(klen, is_tainted(key));
+uschar * key_copy = store_get(klen, key);
memcpy(key_copy, key, klen);
DEBUG(D_hints_lookup) debug_printf_indent("dbfn_read: key=%s\n", key);
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
-EXIM_DATUM_INIT(result_datum); /* to be cleared before use. */
-EXIM_DATUM_DATA(key_datum) = CS key_copy;
-EXIM_DATUM_SIZE(key_datum) = klen;
+exim_datum_init(&key_datum); /* Some DBM libraries require the datum */
+exim_datum_init(&result_datum); /* to be cleared before use. */
+exim_datum_data_set(&key_datum, key_copy);
+exim_datum_size_set(&key_datum, klen);
-if (!EXIM_DBGET(dbblock->dbptr, key_datum, result_datum)) return NULL;
+if (!exim_dbget(dbblock->dbptr, &key_datum, &result_datum)) return NULL;
/* Assume the data store could have been tainted. Properly, we should
store the taint status with the data. */
-yield = store_get(EXIM_DATUM_SIZE(result_datum), TRUE);
-memcpy(yield, EXIM_DATUM_DATA(result_datum), EXIM_DATUM_SIZE(result_datum));
-if (length != NULL) *length = EXIM_DATUM_SIZE(result_datum);
+yield = store_get(exim_datum_size_get(&result_datum), GET_TAINTED);
+memcpy(yield, exim_datum_data_get(&result_datum), exim_datum_size_get(&result_datum));
+if (length) *length = exim_datum_size_get(&result_datum);
-EXIM_DATUM_FREE(result_datum); /* Some DBM libs require freeing */
+exim_datum_free(&result_datum); /* Some DBM libs require freeing */
return yield;
}
EXIM_DATUM key_datum, value_datum;
dbdata_generic *gptr = (dbdata_generic *)ptr;
int klen = Ustrlen(key) + 1;
-uschar * key_copy = store_get(klen, is_tainted(key));
+uschar * key_copy = store_get(klen, key);
memcpy(key_copy, key, klen);
gptr->time_stamp = time(NULL);
DEBUG(D_hints_lookup) debug_printf_indent("dbfn_write: key=%s\n", key);
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
-EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */
-EXIM_DATUM_DATA(key_datum) = CS key_copy;
-EXIM_DATUM_SIZE(key_datum) = klen;
-EXIM_DATUM_DATA(value_datum) = CS ptr;
-EXIM_DATUM_SIZE(value_datum) = length;
-return EXIM_DBPUT(dbblock->dbptr, key_datum, value_datum);
+exim_datum_init(&key_datum); /* Some DBM libraries require the datum */
+exim_datum_init(&value_datum); /* to be cleared before use. */
+exim_datum_data_set(&key_datum, key_copy);
+exim_datum_size_set(&key_datum, klen);
+exim_datum_data_set(&value_datum, ptr);
+exim_datum_size_set(&value_datum, length);
+return exim_dbput(dbblock->dbptr, &key_datum, &value_datum);
}
dbfn_delete(open_db *dbblock, const uschar *key)
{
int klen = Ustrlen(key) + 1;
-uschar * key_copy = store_get(klen, is_tainted(key));
+uschar * key_copy = store_get(klen, key);
+EXIM_DATUM key_datum;
DEBUG(D_hints_lookup) debug_printf_indent("dbfn_delete: key=%s\n", key);
memcpy(key_copy, key, klen);
-EXIM_DATUM key_datum;
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require clearing */
-EXIM_DATUM_DATA(key_datum) = CS key_copy;
-EXIM_DATUM_SIZE(key_datum) = klen;
-return EXIM_DBDEL(dbblock->dbptr, key_datum);
+exim_datum_init(&key_datum); /* Some DBM libraries require clearing */
+exim_datum_data_set(&key_datum, key_copy);
+exim_datum_size_set(&key_datum, klen);
+return exim_dbdel(dbblock->dbptr, &key_datum);
}
/* Some dbm require an initialization */
-if (start) EXIM_DBCREATE_CURSOR(dbblock->dbptr, cursor);
+if (start) *cursor = exim_dbcreate_cursor(dbblock->dbptr);
-EXIM_DATUM_INIT(key_datum); /* Some DBM libraries require the datum */
-EXIM_DATUM_INIT(value_datum); /* to be cleared before use. */
+exim_datum_init(&key_datum); /* Some DBM libraries require the datum */
+exim_datum_init(&value_datum); /* to be cleared before use. */
-yield = (EXIM_DBSCAN(dbblock->dbptr, key_datum, value_datum, start, *cursor))?
- US EXIM_DATUM_DATA(key_datum) : NULL;
+yield = exim_dbscan(dbblock->dbptr, &key_datum, &value_datum, start, *cursor)
+ ? US exim_datum_data_get(&key_datum) : NULL;
/* Some dbm require a termination */
-if (!yield) EXIM_DBDELETE_CURSOR(*cursor);
+if (!yield) exim_dbdelete_cursor(*cursor);
return yield;
}