tls/ja3: try to enable ja3 if rule keywords need it

src/detect-tls-ja3-hash.c

@@ -123,6 +123,9 @@ static int DetectTlsJa3HashSetup(DetectEngineCtx *de_ctx, Signature *s, const ch
     if (DetectSignatureSetAppProto(s, ALPROTO_TLS) < 0)
         return -1;
 
+    /* try to enable JA3 */
+    SSLEnableJA3();
+
     /* Check if JA3 is disabled */
     if (!RunmodeIsUnittests() && Ja3IsDisabled("rule"))
         return -1;

src/detect-tls-ja3-string.c

@@ -113,6 +113,9 @@ static int DetectTlsJa3StringSetup(DetectEngineCtx *de_ctx, Signature *s, const
     if (DetectSignatureSetAppProto(s, ALPROTO_TLS) < 0)
         return -1;
 
+    /* try to enable JA3 */
+    SSLEnableJA3();
+
     /* Check if JA3 is disabled */
     if (!RunmodeIsUnittests() && Ja3IsDisabled("rule"))
         return -1;

src/detect-tls-ja3s-hash.c

@@ -122,6 +122,9 @@ static int DetectTlsJa3SHashSetup(DetectEngineCtx *de_ctx, Signature *s, const c
     if (DetectSignatureSetAppProto(s, ALPROTO_TLS) < 0)
         return -1;
 
+    /* try to enable JA3 */
+    SSLEnableJA3();
+
     /* Check if JA3 is disabled */
     if (!RunmodeIsUnittests() && Ja3IsDisabled("rule"))
         return -1;

src/detect-tls-ja3s-string.c

@@ -112,6 +112,9 @@ static int DetectTlsJa3SStringSetup(DetectEngineCtx *de_ctx, Signature *s, const
     if (DetectSignatureSetAppProto(s, ALPROTO_TLS) < 0)
         return -1;
 
+    /* try to enable JA3 */
+    SSLEnableJA3();
+
     /* Check if JA3 is disabled */
     if (!RunmodeIsUnittests() && Ja3IsDisabled("rule"))
         return -1;

src/util-ja3.c

@@ -24,6 +24,7 @@
  */
 
 #include "suricata-common.h"
+#include "app-layer-ssl.h"
 #include "util-validate.h"
 #include "util-ja3.h"
 
@@ -261,11 +262,7 @@ char *Ja3GenerateHash(JA3Buffer *buffer)
  */
 int Ja3IsDisabled(const char *type)
 {
-    int is_enabled = 0;
+    bool is_enabled = SSLJA3IsEnabled();
-
-    /* Check if JA3 is enabled */
-    ConfGetBool("app-layer.protocols.tls.ja3-fingerprints", &is_enabled);
-
     if (is_enabled == 0) {
         SCLogWarning(SC_WARN_JA3_DISABLED, "JA3 is disabled, skipping %s",
                      type);