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src/goodbyedpi.c

@@ -333,26 +333,25 @@ static int find_header_and_get_info(const char *pktdata, unsigned int pktlen,
                 const char *hdrname,
                 char **hdrnameaddr,
                 char **hdrvalueaddr, unsigned int *hdrvaluelen) {
-
-    char *hdr_begin;
     char *data_addr_rn;
+    char *hdr_begin;
 
     *hdrvaluelen = 0u;
     *hdrnameaddr = NULL;
     *hdrvalueaddr = NULL;
 
-    /* Search for the header using Boyer-Moore */
+    /* Search for the header */
-    hdr_begin = boyer_moore_search(pktdata, pktlen,  
+    hdr_begin = dumb_memmem(pktdata, pktlen,
                 hdrname, strlen(hdrname));
     if (!hdr_begin) return FALSE;
     if (pktdata > hdr_begin) return FALSE;
 
-    /* Set header address */  
+    /* Set header address */
     *hdrnameaddr = hdr_begin;
     *hdrvalueaddr = hdr_begin + strlen(hdrname);
 
-    /* Search for header end using Boyer-Moore */
+    /* Search for header end (\r\n) */
-    data_addr_rn = boyer_moore_search(*hdrvalueaddr,
+    data_addr_rn = dumb_memmem(*hdrvalueaddr,
                         pktlen - (uintptr_t)(*hdrvalueaddr - pktdata),
                         "\r\n", 2);
     if (data_addr_rn) {
@@ -360,11 +359,9 @@ static int find_header_and_get_info(const char *pktdata, unsigned int pktlen,
         if (*hdrvaluelen >= 3 && *hdrvaluelen <= HOST_MAXLEN)
             return TRUE;
     }
-
     return FALSE;
 }
 
-
 /**
  * Very crude Server Name Indication (TLS ClientHello hostname) extractor.
  */