Revert "dnsproxy: keep original qname letter case"

This reverts commit 7f3aa3f6.

src/knot/modules/dnsproxy/dnsproxy.c

@@ -19,7 +19,6 @@
 #include "knot/conf/schema.h"
 #include "knot/query/capture.h" // Forces static module!
 #include "knot/query/requestor.h" // Forces static module!
-#include "knot/nameserver/process_query.h" // Forces static module!
 
 #define MOD_REMOTE		"\x06""remote"
 #define MOD_ADDRESS		"\x07""address"
@@ -90,8 +89,7 @@ static knotd_state_t dnsproxy_fwd(knotd_state_t state, knot_pkt_t *pkt,
 	/* Capture layer context. */
 	const knot_layer_api_t *capture = query_capture_api();
 	struct capture_param capture_param = {
-		.sink = pkt,
-		.orig_qname = qdata->extra->orig_qname
+		.sink = pkt
 	};
 
 	/* Create a forwarding request. */

src/knot/query/capture.c

-/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+/*  Copyright (C) 2016 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -36,15 +36,6 @@ static int begin(knot_layer_t *ctx, void *module_param)
 
 static int prepare_query(knot_layer_t *ctx, knot_pkt_t *pkt)
 {
-	assert(pkt && ctx && ctx->data);
-	struct capture_param *param = ctx->data;
-
-	// Restore to original QNAME if requested.
-	if (param->orig_qname != NULL && param->orig_qname[0] != '\0') {
-		memcpy(pkt->wire + KNOT_WIRE_HEADER_SIZE,
-		       param->orig_qname, pkt->qname_size);
-	}
-
 	return KNOT_STATE_CONSUME;
 }
 

src/knot/query/capture.h

-/*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
+/*  Copyright (C) 2016 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -28,6 +28,5 @@ const knot_layer_api_t *query_capture_api(void);
  * \brief Processing module parameters.
  */
 struct capture_param {
-	knot_pkt_t *sink;    /*!< Container for captured response. */
-	uint8_t *orig_qname; /*!< Original query name (case sensitive). */
+	knot_pkt_t *sink; /*!< Container for captured response. */
 };