Adding upstream version 1:9.18.19.upstream/1%9.18.19upstream

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

1 files changed, 248 insertions, 0 deletions

diff --git a/lib/dns/rdata/generic/isdn_20.c b/lib/dns/rdata/generic/isdn_20.c
new file mode 100644
index 0000000..8218d06
--- /dev/null
+++ b/lib/dns/rdata/generic/isdn_20.c
@@ -0,0 +1,248 @@
+/*
+ * 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.
+ */
+
+/* RFC1183 */
+
+#ifndef RDATA_GENERIC_ISDN_20_C
+#define RDATA_GENERIC_ISDN_20_C
+
+#define RRTYPE_ISDN_ATTRIBUTES (0)
+
+static isc_result_t
+fromtext_isdn(ARGS_FROMTEXT) {
+	isc_token_t token;
+
+	REQUIRE(type == dns_rdatatype_isdn);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(origin);
+	UNUSED(options);
+	UNUSED(callbacks);
+
+	/* ISDN-address */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
+				      false));
+	RETTOK(txt_fromtext(&token.value.as_textregion, target));
+
+	/* sa: optional */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring,
+				      true));
+	if (token.type != isc_tokentype_string &&
+	    token.type != isc_tokentype_qstring)
+	{
+		isc_lex_ungettoken(lexer, &token);
+		return (ISC_R_SUCCESS);
+	}
+	RETTOK(txt_fromtext(&token.value.as_textregion, target));
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+totext_isdn(ARGS_TOTEXT) {
+	isc_region_t region;
+
+	REQUIRE(rdata->type == dns_rdatatype_isdn);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(tctx);
+
+	dns_rdata_toregion(rdata, &region);
+	RETERR(txt_totext(&region, true, target));
+	if (region.length == 0) {
+		return (ISC_R_SUCCESS);
+	}
+	RETERR(str_totext(" ", target));
+	return (txt_totext(&region, true, target));
+}
+
+static isc_result_t
+fromwire_isdn(ARGS_FROMWIRE) {
+	REQUIRE(type == dns_rdatatype_isdn);
+
+	UNUSED(type);
+	UNUSED(dctx);
+	UNUSED(rdclass);
+	UNUSED(options);
+
+	RETERR(txt_fromwire(source, target));
+	if (buffer_empty(source)) {
+		return (ISC_R_SUCCESS);
+	}
+	return (txt_fromwire(source, target));
+}
+
+static isc_result_t
+towire_isdn(ARGS_TOWIRE) {
+	UNUSED(cctx);
+
+	REQUIRE(rdata->type == dns_rdatatype_isdn);
+	REQUIRE(rdata->length != 0);
+
+	return (mem_tobuffer(target, rdata->data, rdata->length));
+}
+
+static int
+compare_isdn(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_isdn);
+	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_isdn(ARGS_FROMSTRUCT) {
+	dns_rdata_isdn_t *isdn = source;
+
+	REQUIRE(type == dns_rdatatype_isdn);
+	REQUIRE(isdn != NULL);
+	REQUIRE(isdn->common.rdtype == type);
+	REQUIRE(isdn->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	RETERR(uint8_tobuffer(isdn->isdn_len, target));
+	RETERR(mem_tobuffer(target, isdn->isdn, isdn->isdn_len));
+	if (isdn->subaddress == NULL) {
+		return (ISC_R_SUCCESS);
+	}
+	RETERR(uint8_tobuffer(isdn->subaddress_len, target));
+	return (mem_tobuffer(target, isdn->subaddress, isdn->subaddress_len));
+}
+
+static isc_result_t
+tostruct_isdn(ARGS_TOSTRUCT) {
+	dns_rdata_isdn_t *isdn = target;
+	isc_region_t r;
+
+	REQUIRE(rdata->type == dns_rdatatype_isdn);
+	REQUIRE(isdn != NULL);
+	REQUIRE(rdata->length != 0);
+
+	isdn->common.rdclass = rdata->rdclass;
+	isdn->common.rdtype = rdata->type;
+	ISC_LINK_INIT(&isdn->common, link);
+
+	dns_rdata_toregion(rdata, &r);
+
+	isdn->isdn_len = uint8_fromregion(&r);
+	isc_region_consume(&r, 1);
+	isdn->isdn = mem_maybedup(mctx, r.base, isdn->isdn_len);
+	if (isdn->isdn == NULL) {
+		return (ISC_R_NOMEMORY);
+	}
+	isc_region_consume(&r, isdn->isdn_len);
+
+	if (r.length == 0) {
+		isdn->subaddress_len = 0;
+		isdn->subaddress = NULL;
+	} else {
+		isdn->subaddress_len = uint8_fromregion(&r);
+		isc_region_consume(&r, 1);
+		isdn->subaddress = mem_maybedup(mctx, r.base,
+						isdn->subaddress_len);
+		if (isdn->subaddress == NULL) {
+			goto cleanup;
+		}
+	}
+
+	isdn->mctx = mctx;
+	return (ISC_R_SUCCESS);
+
+cleanup:
+	if (mctx != NULL && isdn->isdn != NULL) {
+		isc_mem_free(mctx, isdn->isdn);
+	}
+	return (ISC_R_NOMEMORY);
+}
+
+static void
+freestruct_isdn(ARGS_FREESTRUCT) {
+	dns_rdata_isdn_t *isdn = source;
+
+	REQUIRE(isdn != NULL);
+
+	if (isdn->mctx == NULL) {
+		return;
+	}
+
+	if (isdn->isdn != NULL) {
+		isc_mem_free(isdn->mctx, isdn->isdn);
+	}
+	if (isdn->subaddress != NULL) {
+		isc_mem_free(isdn->mctx, isdn->subaddress);
+	}
+	isdn->mctx = NULL;
+}
+
+static isc_result_t
+additionaldata_isdn(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == dns_rdatatype_isdn);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return (ISC_R_SUCCESS);
+}
+
+static isc_result_t
+digest_isdn(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == dns_rdatatype_isdn);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return ((digest)(arg, &r));
+}
+
+static bool
+checkowner_isdn(ARGS_CHECKOWNER) {
+	REQUIRE(type == dns_rdatatype_isdn);
+
+	UNUSED(name);
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(wildcard);
+
+	return (true);
+}
+
+static bool
+checknames_isdn(ARGS_CHECKNAMES) {
+	REQUIRE(rdata->type == dns_rdatatype_isdn);
+
+	UNUSED(rdata);
+	UNUSED(owner);
+	UNUSED(bad);
+
+	return (true);
+}
+
+static int
+casecompare_isdn(ARGS_COMPARE) {
+	return (compare_isdn(rdata1, rdata2));
+}
+
+#endif /* RDATA_GENERIC_ISDN_20_C */