Trying to enable fuzzy hashes for rspamd

services/rspamd/Dockerfile

@@ -1,15 +1,12 @@
 FROM alpine:edge
 
-RUN apk add --no-cache python py-jinja2 rspamd rspamd-controller rspamd-proxy ca-certificates
+RUN apk add --no-cache python py-jinja2 rspamd rspamd-controller rspamd-proxy rspamd-fuzzy ca-certificates
 
 RUN mkdir /run/rspamd
 
 COPY conf/ /conf
 COPY start.py /start.py
 
-# Temporary fix to remove references to rspamd-fuzzy for now
-RUN sed -i '/fuzzy/,$d' /etc/rspamd/rspamd.conf
-
 EXPOSE 11332/tcp 11334/tcp
 
 CMD /start.py

services/rspamd/conf/fuzzy_check.conf

@@ -0,0 +1,34 @@
+rule "local" {
+    # Fuzzy storage server list
+    servers = "localhost:11335";
+    # Default symbol for unknown flags
+    symbol = "LOCAL_FUZZY_UNKNOWN";
+    # Additional mime types to store/check
+    mime_types = ["application/*"];
+    # Hash weight threshold for all maps
+    max_score = 20.0;
+    # Whether we can learn this storage
+    read_only = no;
+    # Ignore unknown flags
+    skip_unknown = yes;
+    # Hash generation algorithm
+    algorithm = "mumhash";
+
+    # Map flags to symbols
+    fuzzy_map = {
+        LOCAL_FUZZY_DENIED {
+            # Local threshold
+            max_score = 20.0;
+            # Flag to match
+            flag = 11;
+        }
+        LOCAL_FUZZY_PROB {
+            max_score = 10.0;
+            flag = 12;
+        }
+        LOCAL_FUZZY_WHITE {
+            max_score = 2.0;
+            flag = 13;
+        }
+    }
+}

services/rspamd/conf/metrics.conf

@@ -0,0 +1,19 @@
+group "fuzzy" {
+    max_score = 12.0;
+    symbol "LOCAL_FUZZY_UNKNOWN" {
+        weight = 5.0;
+        description = "Generic fuzzy hash match";
+    }
+    symbol "LOCAL_FUZZY_DENIED" {
+        weight = 12.0;
+        description = "Denied fuzzy hash";
+    }
+    symbol "LOCAL_FUZZY_PROB" {
+        weight = 5.0;
+        description = "Probable fuzzy hash";
+    }
+    symbol "LOCAL_FUZZY_WHITE" {
+        weight = -2.1;
+        description = "Whitelisted fuzzy hash";
+    }
+}

services/rspamd/conf/worker-controller.inc

@@ -1,3 +1,4 @@
+type = "controller";
 bind_socket = "*:11334";
 password = "mailu";
 secure_ip = "{{ FRONT_ADDRESS }}";

services/rspamd/conf/worker-fuzzy.inc

@@ -0,0 +1,5 @@
+type = "fuzzy";
+count = 1;
+backend = "redis";
+expire = 90d;
+allow_update = ["127.0.0.1"];

services/rspamd/conf/worker-normal.inc

@@ -1 +1,2 @@
+type = "normal";
 enabled = false;