Add initial class HS support.

lib/dns/rdata/hs_4/a_1.c

@@ -0,0 +1,204 @@
+/*
+ * Copyright (C) 1999  Internet Software Consortium.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+ /* $Id: a_1.c,v 1.1 1999/10/13 01:24:46 marka Exp $ */
+
+#ifndef RDATA_HS_4_A_1_C
+#define RDATA_HS_4_A_1_C
+
+#include <string.h>
+
+#include <isc/net.h>
+
+static inline dns_result_t
+fromtext_hs_a(dns_rdataclass_t rdclass, dns_rdatatype_t type,
+	      isc_lex_t *lexer, dns_name_t *origin,
+	      isc_boolean_t downcase, isc_buffer_t *target)
+{
+	isc_token_t token;
+	struct in_addr addr;
+	isc_region_t region;
+
+	REQUIRE(type == 1);
+	REQUIRE(rdclass == 4);
+
+	origin = origin;	/*unused*/
+	downcase = downcase;	/*unused*/
+
+	RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
+
+	if (inet_aton(token.value.as_pointer, &addr) != 1)
+		return (DNS_R_BADDOTTEDQUAD);
+	isc_buffer_available(target, &region);
+	if (region.length < 4)
+		return (DNS_R_NOSPACE);
+	memcpy(region.base, &addr, 4);
+	isc_buffer_add(target, 4);
+	return (DNS_R_SUCCESS);
+}
+
+static inline dns_result_t
+totext_hs_a(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx, 
+	    isc_buffer_t *target) 
+{
+	isc_region_t region;
+
+	REQUIRE(rdata->type == 1);
+	REQUIRE(rdata->rdclass == 4);
+	REQUIRE(rdata->length == 4);
+
+	tctx = tctx;	/* unused */
+
+	isc_buffer_available(target, &region);
+	if (inet_ntop(AF_INET, rdata->data,
+			  (char *)region.base, region.length) == NULL)
+		return (DNS_R_NOSPACE);
+
+	isc_buffer_add(target, strlen((char *)region.base));
+	return (DNS_R_SUCCESS);
+}
+
+static inline dns_result_t
+fromwire_hs_a(dns_rdataclass_t rdclass, dns_rdatatype_t type,
+	      isc_buffer_t *source, dns_decompress_t *dctx,
+	      isc_boolean_t downcase, isc_buffer_t *target)
+{
+	isc_region_t sregion;
+	isc_region_t tregion;
+
+	REQUIRE(type == 1);
+	REQUIRE(rdclass == 4);
+
+	dctx = dctx;		/* unused */
+	downcase = downcase;	/* unused */
+
+
+	isc_buffer_active(source, &sregion);
+	isc_buffer_available(target, &tregion);
+	if (sregion.length < 4)
+		return (DNS_R_UNEXPECTEDEND);
+	if (tregion.length < 4)
+		return (DNS_R_NOSPACE);
+
+	memcpy(tregion.base, sregion.base, 4);
+	isc_buffer_forward(source, 4);
+	isc_buffer_add(target, 4);
+	return (DNS_R_SUCCESS);
+}
+
+static inline dns_result_t
+towire_hs_a(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
+	isc_region_t region;
+
+	REQUIRE(rdata->type == 1);
+	REQUIRE(rdata->rdclass == 4);
+
+	cctx = cctx;	/*unused*/
+
+	isc_buffer_available(target, &region);
+	if (region.length < rdata->length)
+		return (DNS_R_NOSPACE);
+	memcpy(region.base, rdata->data, rdata->length);
+	isc_buffer_add(target, 4);
+	return (DNS_R_SUCCESS);
+}
+
+static inline int
+compare_hs_a(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
+	int result;
+	
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->type);
+	REQUIRE(rdata1->type == 1);
+	REQUIRE(rdata1->rdclass == 4);
+
+	result = memcmp(rdata1->data, rdata2->data, 4);
+	if (result != 0)
+		result = (result < 0) ? -1 : 1;
+
+	return (result);
+}
+
+static inline dns_result_t
+fromstruct_hs_a(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
+	        isc_buffer_t *target)
+{
+
+	REQUIRE(type == 1);
+	REQUIRE(rdclass == 4);
+
+	source = source;
+	target = target;
+
+	return (DNS_R_NOTIMPLEMENTED);
+}
+
+static inline dns_result_t
+tostruct_hs_a(dns_rdata_t *rdata, void *target, isc_mem_t *mctx) {
+	dns_rdata_hs_a_t *a = target;
+	isc_uint32_t n;
+	isc_region_t region;
+
+	REQUIRE(rdata->type == 1);
+	REQUIRE(rdata->rdclass == 4);
+
+	mctx = mctx;	/* unused */
+
+	a->common.rdclass = rdata->rdclass;
+	a->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&a->common, link);
+
+	dns_rdata_toregion(rdata, &region);
+	n = uint32_fromregion(&region);
+	a->in_addr.s_addr = htonl(n);
+
+	return (DNS_R_SUCCESS);
+}
+
+static inline void
+freestruct_hs_a(void *source) {
+	REQUIRE(source != NULL);
+	REQUIRE(ISC_FALSE);	/*XXX*/
+
+}
+
+static inline dns_result_t
+additionaldata_hs_a(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
+		    void *arg)
+{
+	REQUIRE(rdata->type == 1);
+	REQUIRE(rdata->rdclass == 4);
+
+	(void)add;
+	(void)arg;
+
+	return (DNS_R_SUCCESS);
+}
+
+static inline dns_result_t
+digest_hs_a(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == 1);
+	REQUIRE(rdata->rdclass == 4);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return ((digest)(arg, &r));
+}
+
+#endif	/* RDATA_HS_4_A_1_C */

lib/dns/rdata/hs_4/a_1.h

@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 1999  Internet Software Consortium.
+ * 
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+ /* $Id: a_1.h,v 1.1 1999/10/13 01:24:49 marka Exp $ */
+
+typedef struct dns_rdata_hs_a {
+	dns_rdatacommon_t	common;
+	struct in_addr          in_addr;
+} dns_rdata_hs_a_t;