Adding upstream version 1:9.16.44.upstream/1%9.16.44

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 259 insertions, 0 deletions

diff --git a/lib/dns/rdata/in_1/nsap_22.c b/lib/dns/rdata/in_1/nsap_22.c
new file mode 100644
index 0000000..5ccb793
--- /dev/null
+++ b/lib/dns/rdata/in_1/nsap_22.c
@@ -0,0 +1,259 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* RFC1706 */
+
+#ifndef RDATA_IN_1_NSAP_22_C
+#define RDATA_IN_1_NSAP_22_C
+
+#define RRTYPE_NSAP_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_in_nsap(ARGS_FROMTEXT) {
+	isc_token_t token;
+	isc_textregion_t *sr;
+	int n;
+	bool valid = false;
+	int digits = 0;
+	unsigned char c = 0;
+
+	REQUIRE(type == dns_rdatatype_nsap);
+	REQUIRE(rdclass == dns_rdataclass_in);
+
+	UNUSED(type);
+	UNUSED(origin);
+	UNUSED(options);
+	UNUSED(rdclass);
+	UNUSED(callbacks);
+
+	/* 0x<hex.string.with.periods> */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
+				      false));
+	sr = &token.value.as_textregion;
+	if (sr->length < 2) {
+		RETTOK(ISC_R_UNEXPECTEDEND);
+	}
+	if (sr->base[0] != '0' || (sr->base[1] != 'x' && sr->base[1] != 'X')) {
+		RETTOK(DNS_R_SYNTAX);
+	}
+	isc_textregion_consume(sr, 2);
+	while (sr->length > 0) {
+		if (sr->base[0] == '.') {
+			isc_textregion_consume(sr, 1);
+			continue;
+		}
+		if ((n = hexvalue(sr->base[0])) == -1) {
+			RETTOK(DNS_R_SYNTAX);
+		}
+		c <<= 4;
+		c += n;
+		if (++digits == 2) {
+			RETERR(mem_tobuffer(target, &c, 1));
+			valid = true;
+			digits = 0;
+			c = 0;
+		}
+		isc_textregion_consume(sr, 1);
+	}
+	if (digits != 0 || !valid) {
+		RETTOK(ISC_R_UNEXPECTEDEND);
+	}
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+totext_in_nsap(ARGS_TOTEXT) {
+	isc_region_t region;
+	char buf[sizeof("xx")];
+
+	REQUIRE(rdata->type == dns_rdatatype_nsap);
+	REQUIRE(rdata->rdclass == dns_rdataclass_in);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(tctx);
+
+	dns_rdata_toregion(rdata, &region);
+	RETERR(str_totext("0x", target));
+	while (region.length != 0) {
+		snprintf(buf, sizeof(buf), "%02x", region.base[0]);
+		isc_region_consume(&region, 1);
+		RETERR(str_totext(buf, target));
+	}
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+fromwire_in_nsap(ARGS_FROMWIRE) {
+	isc_region_t region;
+
+	REQUIRE(type == dns_rdatatype_nsap);
+	REQUIRE(rdclass == dns_rdataclass_in);
+
+	UNUSED(type);
+	UNUSED(dctx);
+	UNUSED(options);
+	UNUSED(rdclass);
+
+	isc_buffer_activeregion(source, &region);
+	if (region.length < 1) {
+		return (ISC_R_UNEXPECTEDEND);
+	}
+
+	RETERR(mem_tobuffer(target, region.base, region.length));
+	isc_buffer_forward(source, region.length);
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+towire_in_nsap(ARGS_TOWIRE) {
+	REQUIRE(rdata->type == dns_rdatatype_nsap);
+	REQUIRE(rdata->rdclass == dns_rdataclass_in);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(cctx);
+
+	return (mem_tobuffer(target, rdata->data, rdata->length));
+}
+
+static int
+compare_in_nsap(ARGS_COMPARE) {
+	isc_region_t r1;
+	isc_region_t r2;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == dns_rdatatype_nsap);
+	REQUIRE(rdata1->rdclass == dns_rdataclass_in);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+	return (isc_region_compare(&r1, &r2));
+}
+
+static isc_result_t
+fromstruct_in_nsap(ARGS_FROMSTRUCT) {
+	dns_rdata_in_nsap_t *nsap = source;
+
+	REQUIRE(type == dns_rdatatype_nsap);
+	REQUIRE(rdclass == dns_rdataclass_in);
+	REQUIRE(nsap != NULL);
+	REQUIRE(nsap->common.rdtype == type);
+	REQUIRE(nsap->common.rdclass == rdclass);
+	REQUIRE(nsap->nsap != NULL || nsap->nsap_len == 0);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	return (mem_tobuffer(target, nsap->nsap, nsap->nsap_len));
+}
+
+static isc_result_t
+tostruct_in_nsap(ARGS_TOSTRUCT) {
+	dns_rdata_in_nsap_t *nsap = target;
+	isc_region_t r;
+
+	REQUIRE(rdata->type == dns_rdatatype_nsap);
+	REQUIRE(rdata->rdclass == dns_rdataclass_in);
+	REQUIRE(nsap != NULL);
+	REQUIRE(rdata->length != 0);
+
+	nsap->common.rdclass = rdata->rdclass;
+	nsap->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&nsap->common, link);
+
+	dns_rdata_toregion(rdata, &r);
+	nsap->nsap_len = r.length;
+	nsap->nsap = mem_maybedup(mctx, r.base, r.length);
+	if (nsap->nsap == NULL) {
+		return (ISC_R_NOMEMORY);
+	}
+
+	nsap->mctx = mctx;
+	return (ISC_R_SUCCESS);
+}
+
+static void
+freestruct_in_nsap(ARGS_FREESTRUCT) {
+	dns_rdata_in_nsap_t *nsap = source;
+
+	REQUIRE(nsap != NULL);
+	REQUIRE(nsap->common.rdclass == dns_rdataclass_in);
+	REQUIRE(nsap->common.rdtype == dns_rdatatype_nsap);
+
+	if (nsap->mctx == NULL) {
+		return;
+	}
+
+	if (nsap->nsap != NULL) {
+		isc_mem_free(nsap->mctx, nsap->nsap);
+	}
+	nsap->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_in_nsap(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == dns_rdatatype_nsap);
+	REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+	UNUSED(rdata);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+digest_in_nsap(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == dns_rdatatype_nsap);
+	REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return ((digest)(arg, &r));
+}
+
+static bool
+checkowner_in_nsap(ARGS_CHECKOWNER) {
+	REQUIRE(type == dns_rdatatype_nsap);
+	REQUIRE(rdclass == dns_rdataclass_in);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return (true);
+}
+
+static bool
+checknames_in_nsap(ARGS_CHECKNAMES) {
+	REQUIRE(rdata->type == dns_rdatatype_nsap);
+	REQUIRE(rdata->rdclass == dns_rdataclass_in);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return (true);
+}
+
+static int
+casecompare_in_nsap(ARGS_COMPARE) {
+	return (compare_in_nsap(rdata1, rdata2));
+}
+
+#endif /* RDATA_IN_1_NSAP_22_C */