fuzz: applayer target uses yaml config

so that every app-layer protocol is enabled

src/tests/fuzz/confyaml.c

@@ -0,0 +1,102 @@
+const char configNoChecksum[] = "\
+%YAML 1.1\n\
+---\n\
+pcap-file:\n\
+\n\
+  checksum-checks: no\n\
+\n\
+stream:\n\
+\n\
+  checksum-validation: no\n\
+outputs:\n\
+  - fast:\n\
+      enabled: yes\n\
+      filename: /dev/null\n\
+  - eve-log:\n\
+      enabled: yes\n\
+      filetype: regular\n\
+      filename: /dev/null\n\
+      xff:\n\
+        enabled: yes\n\
+        mode: extra-data\n\
+        deployment: reverse\n\
+        header: X-Forwarded-For\n\
+      types:\n\
+        - alert:\n\
+            payload: yes\n\
+            payload-printable: yes\n\
+            packet: yes\n\
+            metadata: yes\n\
+            http-body: yes\n\
+            http-body-printable: yes\n\
+            tagged-packets: yes\n\
+        - anomaly:\n\
+            enabled: yes\n\
+            types:\n\
+              decode: yes\n\
+              stream: yes\n\
+              applayer: yes\n\
+            packethdr: yes\n\
+        - http:\n\
+            extended: yes\n\
+            dump-all-headers: both\n\
+        - dns\n\
+        - tls:\n\
+            extended: yes\n\
+            session-resumption: yes\n\
+        - files\n\
+        - smtp:\n\
+            extended: yes\n\
+        - dnp3\n\
+        - ftp\n\
+        - rdp\n\
+        - nfs\n\
+        - smb\n\
+        - tftp\n\
+        - ikev2\n\
+        - krb5\n\
+        - snmp\n\
+        - rfb\n\
+        - sip\n\
+        - dhcp:\n\
+            enabled: yes\n\
+            extended: yes\n\
+        - ssh\n\
+        - flow\n\
+        - netflow\n\
+        - metadata\n\
+  - http-log:\n\
+      enabled: yes\n\
+      filename: /dev/null\n\
+      extended: yes\n\
+  - tls-log:\n\
+      enabled: yes\n\
+      filename: /dev/null\n\
+      extended: yes\n\
+app-layer:\n\
+  protocols:\n\
+    rdp:\n\
+      enabled: yes\n\
+    modbus:\n\
+      enabled: yes\n\
+      detection-ports:\n\
+        dp: 502\n\
+    dnp3:\n\
+      enabled: yes\n\
+      detection-ports:\n\
+        dp: 20000\n\
+    enip:\n\
+      enabled: yes\n\
+      detection-ports:\n\
+        dp: 44818\n\
+        sp: 44818\n\
+    sip:\n\
+      enabled: yes\n\
+    ssh:\n\
+      enabled: yes\n\
+      hassh: yes\n\
+    mqtt:\n\
+      enabled: yes\n\
+    http2:\n\
+      enabled: yes\n\
+";

src/tests/fuzz/fuzz_applayerparserparse.c

@@ -11,6 +11,7 @@
 #include "app-layer-parser.h"
 #include "util-unittest-helper.h"
 #include "util-byte.h"
+#include "conf-yaml-loader.h"
 
 #define HEADER_LEN 6
 
@@ -18,6 +19,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
 
 AppLayerParserThreadCtx *alp_tctx = NULL;
 
+#include "confyaml.c"
+
 /* input buffer is structured this way :
  * 6 bytes header,
  * then sequence of buffers separated by magic bytes 01 D5 CA 7A */
@@ -58,6 +61,10 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 
         //redirect logs to /tmp
         ConfigSetLogDirectory("/tmp/");
+        // disables checksums validation for fuzzing
+        if (ConfYamlLoadString(configNoChecksum, strlen(configNoChecksum)) != 0) {
+            abort();
+        }
 
         PostConfLoadedSetup(&surifuzz);
         alp_tctx = AppLayerParserThreadCtxAlloc();
@@ -66,6 +73,8 @@ int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
             if (ByteExtractStringUint64(&forceLayer, 10, 0, forceLayerStr) < 0) {
                 forceLayer = 0;
                 printf("Invalid numeric value for FUZZ_APPLAYER environment variable");
+            } else {
+                printf("Forcing %s\n", AppProtoToString(forceLayer));
             }
         }
     }

src/tests/fuzz/fuzz_sigpcap.c

@@ -33,108 +33,7 @@ DecodeThreadVars *dtv;
 void *fwd;
 SCInstance surifuzz;
 
-const char configNoChecksum[] = "\
-%YAML 1.1\n\
----\n\
-pcap-file:\n\
-\n\
-  checksum-checks: no\n\
-\n\
-stream:\n\
-\n\
-  checksum-validation: no\n\
-outputs:\n\
-  - fast:\n\
-      enabled: yes\n\
-      filename: /dev/null\n\
-  - eve-log:\n\
-      enabled: yes\n\
-      filetype: regular\n\
-      filename: /dev/null\n\
-      xff:\n\
-        enabled: yes\n\
-        mode: extra-data\n\
-        deployment: reverse\n\
-        header: X-Forwarded-For\n\
-      types:\n\
-        - alert:\n\
-            payload: yes\n\
-            payload-printable: yes\n\
-            packet: yes\n\
-            metadata: yes\n\
-            http-body: yes\n\
-            http-body-printable: yes\n\
-            tagged-packets: yes\n\
-        - anomaly:\n\
-            enabled: yes\n\
-            types:\n\
-              decode: yes\n\
-              stream: yes\n\
-              applayer: yes\n\
-            packethdr: yes\n\
-        - http:\n\
-            extended: yes\n\
-            dump-all-headers: both\n\
-        - dns\n\
-        - tls:\n\
-            extended: yes\n\
-            session-resumption: yes\n\
-        - files\n\
-        - smtp:\n\
-            extended: yes\n\
-        - dnp3\n\
-        - ftp\n\
-        - rdp\n\
-        - nfs\n\
-        - smb\n\
-        - tftp\n\
-        - ikev2\n\
-        - krb5\n\
-        - snmp\n\
-        - rfb\n\
-        - sip\n\
-        - dhcp:\n\
-            enabled: yes\n\
-            extended: yes\n\
-        - ssh\n\
-        - flow\n\
-        - netflow\n\
-        - metadata\n\
-  - http-log:\n\
-      enabled: yes\n\
-      filename: /dev/null\n\
-      extended: yes\n\
-  - tls-log:\n\
-      enabled: yes\n\
-      filename: /dev/null\n\
-      extended: yes\n\
-app-layer:\n\
-  protocols:\n\
-    rdp:\n\
-      enabled: yes\n\
-    modbus:\n\
-      enabled: yes\n\
-      detection-ports:\n\
-        dp: 502\n\
-    dnp3:\n\
-      enabled: yes\n\
-      detection-ports:\n\
-        dp: 20000\n\
-    enip:\n\
-      enabled: yes\n\
-      detection-ports:\n\
-        dp: 44818\n\
-        sp: 44818\n\
-    sip:\n\
-      enabled: yes\n\
-    ssh:\n\
-      enabled: yes\n\
-      hassh: yes\n\
-    mqtt:\n\
-      enabled: yes\n\
-    http2:\n\
-      enabled: yes\n\
-";
+#include "confyaml.c"
 
 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
 {