detect/iponly: remove unused code

src/detect-engine-iponly.c

@@ -889,15 +889,6 @@ error:
  */
 void IPOnlyInit(DetectEngineCtx *de_ctx, DetectEngineIPOnlyCtx *io_ctx)
 {
-    io_ctx->sig_init_size = DetectEngineGetMaxSigId(de_ctx) / 8 + 1;
-
-    if ( (io_ctx->sig_init_array = SCMalloc(io_ctx->sig_init_size)) == NULL) {
-        FatalError(SC_ERR_FATAL,
-                   "Fatal error encountered in IPOnlyInit. Exiting...");
-    }
-
-    memset(io_ctx->sig_init_array, 0, io_ctx->sig_init_size);
-
     io_ctx->tree_ipv4src = SCRadixCreateRadixTree(SigNumArrayFree,
                                                   SigNumArrayPrint);
     io_ctx->tree_ipv4dst = SCRadixCreateRadixTree(SigNumArrayFree,
@@ -965,10 +956,6 @@ void IPOnlyDeinit(DetectEngineCtx *de_ctx, DetectEngineIPOnlyCtx *io_ctx)
     if (io_ctx->tree_ipv6dst != NULL)
         SCRadixReleaseRadixTree(io_ctx->tree_ipv6dst);
     io_ctx->tree_ipv6dst = NULL;
-
-    if (io_ctx->sig_init_array)
-        SCFree(io_ctx->sig_init_array);
-    io_ctx->sig_init_array = NULL;
 }
 
 /**
@@ -1589,9 +1576,6 @@ void IPOnlyAddSignature(DetectEngineCtx *de_ctx, DetectEngineIPOnlyCtx *io_ctx,
     if (s->num > io_ctx->max_idx)
         io_ctx->max_idx = s->num;
 
-    /* enable the sig in the bitarray */
-    io_ctx->sig_init_array[(s->num/8)] |= 1 << (s->num % 8);
-
     /** no longer ref to this, it's in the table now */
     s->CidrSrc = NULL;
     s->CidrDst = NULL;

src/detect.h

@@ -717,31 +717,13 @@ typedef struct DetectEngineIPOnlyThreadCtx_ {
 
 /** \brief IP only rules matching ctx. */
 typedef struct DetectEngineIPOnlyCtx_ {
-    /* lookup hashes */
-    HashListTable *ht16_src, *ht16_dst;
-    HashListTable *ht24_src, *ht24_dst;
-
     /* Lookup trees */
     SCRadixTree *tree_ipv4src, *tree_ipv4dst;
     SCRadixTree *tree_ipv6src, *tree_ipv6dst;
 
     /* Used to build the radix trees */
     IPOnlyCIDRItem *ip_src, *ip_dst;
-
-    /* counters */
-    uint32_t a_src_uniq16, a_src_total16;
-    uint32_t a_dst_uniq16, a_dst_total16;
-    uint32_t a_src_uniq24, a_src_total24;
-    uint32_t a_dst_uniq24, a_dst_total24;
-
     uint32_t max_idx;
-
-    uint8_t *sig_init_array; /* bit array of sig nums */
-    uint32_t sig_init_size;  /* size in bytes of the array */
-
-    /* number of sigs in this head */
-    uint32_t sig_cnt;
-    uint32_t *match_array;
 } DetectEngineIPOnlyCtx;
 
 typedef struct DetectEngineLookupFlow_ {