content inspection: support transforms

Make sure content is applied to the transformed version of a buffer.

Support content with its modifiers, and also isdataat, pcre, bytetest
and bytejump.

src/detect-bytejump.c

@@ -517,6 +517,9 @@ static int DetectBytejumpSetup(DetectEngineCtx *de_ctx, Signature *s, const char
 
     int sm_list;
     if (s->init_data->list != DETECT_SM_LIST_NOTSET) {
+        if (DetectBufferGetActiveList(de_ctx, s) == -1)
+            goto error;
+
         sm_list = s->init_data->list;
 
         if (data->flags & DETECT_BYTEJUMP_RELATIVE) {

src/detect-bytetest.c

@@ -444,6 +444,9 @@ static int DetectBytetestSetup(DetectEngineCtx *de_ctx, Signature *s, const char
 
     int sm_list;
     if (s->init_data->list != DETECT_SM_LIST_NOTSET) {
+        if (DetectBufferGetActiveList(de_ctx, s) == -1)
+            goto error;
+
         sm_list = s->init_data->list;
 
         if (data->flags & DETECT_BYTETEST_RELATIVE) {

src/detect-content.c

@@ -329,6 +329,9 @@ int DetectContentSetup(DetectEngineCtx *de_ctx, Signature *s, const char *conten
 
     DetectContentPrint(cd);
 
+    if (DetectBufferGetActiveList(de_ctx, s) == -1)
+        goto error;
+
     int sm_list = s->init_data->list;
     if (sm_list == DETECT_SM_LIST_NOTSET) {
         sm_list = DETECT_SM_LIST_PMATCH;

src/detect-isdataat.c

@@ -217,6 +217,8 @@ int DetectIsdataatSetup (DetectEngineCtx *de_ctx, Signature *s, const char *isda
 
     int sm_list;
     if (s->init_data->list != DETECT_SM_LIST_NOTSET) {
+        if (DetectBufferGetActiveList(de_ctx, s) == -1)
+            return -1;
         sm_list = s->init_data->list;
 
         if (idad->flags & ISDATAAT_RELATIVE) {

src/detect-pcre.c

@@ -827,6 +827,9 @@ static int DetectPcreSetup (DetectEngineCtx *de_ctx, Signature *s, const char *r
 
     int sm_list = -1;
     if (s->init_data->list != DETECT_SM_LIST_NOTSET) {
+        if (DetectBufferGetActiveList(de_ctx, s) == -1)
+            goto error;
+
         s->flags |= SIG_FLAG_APPLAYER;
         sm_list = s->init_data->list;
     } else {