Merge pull request #5290 from rspamd/vstakhov-fuzzy-noop

[Feature] Add 'noop' redis backend for scripts running

5 files changed, 184 insertions, 7 deletions

diff --git a/src/libserver/CMakeLists.txt b/src/libserver/CMakeLists.txt
index dd17865de..d3415bdb2 100644
--- a/src/libserver/CMakeLists.txt
+++ b/src/libserver/CMakeLists.txt
@@ -12,6 +12,7 @@ SET(LIBRSPAMDSERVERSRC
         ${CMAKE_CURRENT_SOURCE_DIR}/fuzzy_backend/fuzzy_backend.c
         ${CMAKE_CURRENT_SOURCE_DIR}/fuzzy_backend/fuzzy_backend_sqlite.c
         ${CMAKE_CURRENT_SOURCE_DIR}/fuzzy_backend/fuzzy_backend_redis.c
+        ${CMAKE_CURRENT_SOURCE_DIR}/fuzzy_backend/fuzzy_backend_noop.c
         ${CMAKE_CURRENT_SOURCE_DIR}/milter.c
         ${CMAKE_CURRENT_SOURCE_DIR}/monitored.c
         ${CMAKE_CURRENT_SOURCE_DIR}/protocol.c
diff --git a/src/libserver/fuzzy_backend/fuzzy_backend.c b/src/libserver/fuzzy_backend/fuzzy_backend.c
index c18463618..bab2895cd 100644
--- a/src/libserver/fuzzy_backend/fuzzy_backend.c
+++ b/src/libserver/fuzzy_backend/fuzzy_backend.c
@@ -1,11 +1,11 @@
-/*-
- * Copyright 2016 Vsevolod Stakhov
+/*
+ * Copyright 2025 Vsevolod Stakhov
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *   http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -18,6 +18,7 @@
 #include "fuzzy_backend.h"
 #include "fuzzy_backend_sqlite.h"
 #include "fuzzy_backend_redis.h"
+#include "fuzzy_backend_noop.h"
 #include "cfg_file.h"
 #include "fuzzy_wire.h"
 
@@ -26,6 +27,7 @@
 enum rspamd_fuzzy_backend_type {
 	RSPAMD_FUZZY_BACKEND_SQLITE = 0,
 	RSPAMD_FUZZY_BACKEND_REDIS = 1,
+	RSPAMD_FUZZY_BACKEND_NOOP = 2,
 };
 
 static void *rspamd_fuzzy_backend_init_sqlite(struct rspamd_fuzzy_backend *bk,
@@ -96,6 +98,16 @@ static const struct rspamd_fuzzy_backend_subr fuzzy_subrs[] = {
 		.id = rspamd_fuzzy_backend_id_redis,
 		.periodic = rspamd_fuzzy_backend_expire_redis,
 		.close = rspamd_fuzzy_backend_close_redis,
+	},
+	[RSPAMD_FUZZY_BACKEND_NOOP] = {
+		.init = rspamd_fuzzy_backend_init_noop,
+		.check = rspamd_fuzzy_backend_check_noop,
+		.update = rspamd_fuzzy_backend_update_noop,
+		.count = rspamd_fuzzy_backend_count_noop,
+		.version = rspamd_fuzzy_backend_version_noop,
+		.id = rspamd_fuzzy_backend_id_noop,
+		.periodic = rspamd_fuzzy_backend_expire_noop,
+		.close = rspamd_fuzzy_backend_close_noop,
 	}};
 
 struct rspamd_fuzzy_backend {
@@ -288,6 +300,9 @@ rspamd_fuzzy_backend_create(struct ev_loop *ev_base,
 			else if (strcmp(ucl_object_tostring(elt), "redis") == 0) {
 				type = RSPAMD_FUZZY_BACKEND_REDIS;
 			}
+			else if (strcmp(ucl_object_tostring(elt), "noop") == 0) {
+				type = RSPAMD_FUZZY_BACKEND_NOOP;
+			}
 			else {
 				g_set_error(err, rspamd_fuzzy_backend_quark(),
 							EINVAL, "invalid backend type: %s",
diff --git a/src/libserver/fuzzy_backend/fuzzy_backend_noop.c b/src/libserver/fuzzy_backend/fuzzy_backend_noop.c
new file mode 100644
index 000000000..451a1921b
--- /dev/null
+++ b/src/libserver/fuzzy_backend/fuzzy_backend_noop.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright 2025 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#include "fuzzy_backend_noop.h"
+
+/*
+ * No operations backend (useful for scripts only stuff)
+ */
+
+void *rspamd_fuzzy_backend_init_noop(struct rspamd_fuzzy_backend *bk,
+									 const ucl_object_t *obj,
+									 struct rspamd_config *cfg,
+									 GError **err)
+{
+	return NULL;
+}
+
+void rspamd_fuzzy_backend_check_noop(struct rspamd_fuzzy_backend *bk,
+									 const struct rspamd_fuzzy_cmd *cmd,
+									 rspamd_fuzzy_check_cb cb, void *ud,
+									 void *subr_ud)
+{
+	struct rspamd_fuzzy_reply rep;
+
+	if (cb) {
+		memset(&rep, 0, sizeof(rep));
+		cb(&rep, ud);
+	}
+
+	return;
+}
+
+void rspamd_fuzzy_backend_update_noop(struct rspamd_fuzzy_backend *bk,
+									  GArray *updates, const char *src,
+									  rspamd_fuzzy_update_cb cb, void *ud,
+									  void *subr_ud)
+{
+	if (cb) {
+		cb(FALSE, 0, 0, 0, 0, ud);
+	}
+
+	return;
+}
+
+void rspamd_fuzzy_backend_count_noop(struct rspamd_fuzzy_backend *bk,
+									 rspamd_fuzzy_count_cb cb, void *ud,
+									 void *subr_ud)
+{
+	if (cb) {
+		cb(0, ud);
+	}
+
+	return;
+}
+
+void rspamd_fuzzy_backend_version_noop(struct rspamd_fuzzy_backend *bk,
+									   const char *src,
+									   rspamd_fuzzy_version_cb cb, void *ud,
+									   void *subr_ud)
+{
+	if (cb) {
+		cb(0, ud);
+	}
+
+	return;
+}
+
+const char *rspamd_fuzzy_backend_id_noop(struct rspamd_fuzzy_backend *bk,
+										 void *subr_ud)
+{
+	return NULL;
+}
+
+void rspamd_fuzzy_backend_expire_noop(struct rspamd_fuzzy_backend *bk,
+									  void *subr_ud)
+{
+}
+
+void rspamd_fuzzy_backend_close_noop(struct rspamd_fuzzy_backend *bk,
+									 void *subr_ud)
+{
+}
diff --git a/src/libserver/fuzzy_backend/fuzzy_backend_noop.h b/src/libserver/fuzzy_backend/fuzzy_backend_noop.h
new file mode 100644
index 000000000..ac063dc39
--- /dev/null
+++ b/src/libserver/fuzzy_backend/fuzzy_backend_noop.h
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2025 Vsevolod Stakhov
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef FUZZY_BACKEND_NOOP_H
+#define FUZZY_BACKEND_NOOP_H
+
+#include "config.h"
+#include "fuzzy_backend.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Subroutines for fuzzy_backend
+ */
+void *rspamd_fuzzy_backend_init_noop(struct rspamd_fuzzy_backend *bk,
+									 const ucl_object_t *obj,
+									 struct rspamd_config *cfg,
+									 GError **err);
+
+void rspamd_fuzzy_backend_check_noop(struct rspamd_fuzzy_backend *bk,
+									 const struct rspamd_fuzzy_cmd *cmd,
+									 rspamd_fuzzy_check_cb cb, void *ud,
+									 void *subr_ud);
+
+void rspamd_fuzzy_backend_update_noop(struct rspamd_fuzzy_backend *bk,
+									  GArray *updates, const char *src,
+									  rspamd_fuzzy_update_cb cb, void *ud,
+									  void *subr_ud);
+
+void rspamd_fuzzy_backend_count_noop(struct rspamd_fuzzy_backend *bk,
+									 rspamd_fuzzy_count_cb cb, void *ud,
+									 void *subr_ud);
+
+void rspamd_fuzzy_backend_version_noop(struct rspamd_fuzzy_backend *bk,
+									   const char *src,
+									   rspamd_fuzzy_version_cb cb, void *ud,
+									   void *subr_ud);
+
+const char *rspamd_fuzzy_backend_id_noop(struct rspamd_fuzzy_backend *bk,
+										 void *subr_ud);
+
+void rspamd_fuzzy_backend_expire_noop(struct rspamd_fuzzy_backend *bk,
+									  void *subr_ud);
+
+void rspamd_fuzzy_backend_close_noop(struct rspamd_fuzzy_backend *bk,
+									 void *subr_ud);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif//FUZZY_BACKEND_NOOP_H
diff --git a/src/libserver/fuzzy_backend/fuzzy_backend_redis.h b/src/libserver/fuzzy_backend/fuzzy_backend_redis.h
index afeb1c573..0a536c2fa 100644
--- a/src/libserver/fuzzy_backend/fuzzy_backend_redis.h
+++ b/src/libserver/fuzzy_backend/fuzzy_backend_redis.h
@@ -1,11 +1,11 @@
-/*-
- * Copyright 2016 Vsevolod Stakhov
+/*
+ * Copyright 2025 Vsevolod Stakhov
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *   http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
@@ -15,7 +15,6 @@
  */
 #ifndef SRC_LIBSERVER_FUZZY_BACKEND_REDIS_H_
 #define SRC_LIBSERVER_FUZZY_BACKEND_REDIS_H_
-
 #include "config.h"
 #include "fuzzy_backend.h"