/* $NetBSD: x25_19.c,v 1.8.2.1 2024/02/25 15:47:06 martin Exp $ */ /* * 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_X25_19_C #define RDATA_GENERIC_X25_19_C #define RRTYPE_X25_ATTRIBUTES (0) static isc_result_t fromtext_x25(ARGS_FROMTEXT) { isc_token_t token; unsigned int i; REQUIRE(type == dns_rdatatype_x25); UNUSED(type); UNUSED(rdclass); UNUSED(origin); UNUSED(options); UNUSED(callbacks); RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_qstring, false)); if (token.value.as_textregion.length < 4) { RETTOK(DNS_R_SYNTAX); } for (i = 0; i < token.value.as_textregion.length; i++) { if (!isdigit((unsigned char)token.value.as_textregion.base[i])) { RETTOK(ISC_R_RANGE); } } RETTOK(txt_fromtext(&token.value.as_textregion, target)); return (ISC_R_SUCCESS); } static isc_result_t totext_x25(ARGS_TOTEXT) { isc_region_t region; UNUSED(tctx); REQUIRE(rdata->type == dns_rdatatype_x25); REQUIRE(rdata->length != 0); dns_rdata_toregion(rdata, ®ion); return (txt_totext(®ion, true, target)); } static isc_result_t fromwire_x25(ARGS_FROMWIRE) { isc_region_t sr; unsigned int i; REQUIRE(type == dns_rdatatype_x25); UNUSED(type); UNUSED(dctx); UNUSED(rdclass); UNUSED(options); isc_buffer_activeregion(source, &sr); if (sr.length < 5 || sr.base[0] != (sr.length - 1)) { return (DNS_R_FORMERR); } for (i = 1; i < sr.length; i++) { if (sr.base[i] < 0x30 || sr.base[i] > 0x39) { return (DNS_R_FORMERR); } } return (txt_fromwire(source, target)); } static isc_result_t towire_x25(ARGS_TOWIRE) { UNUSED(cctx); REQUIRE(rdata->type == dns_rdatatype_x25); REQUIRE(rdata->length != 0); return (mem_tobuffer(target, rdata->data, rdata->length)); } static int compare_x25(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_x25); 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_x25(ARGS_FROMSTRUCT) { dns_rdata_x25_t *x25 = source; uint8_t i; REQUIRE(type == dns_rdatatype_x25); REQUIRE(x25 != NULL); REQUIRE(x25->common.rdtype == type); REQUIRE(x25->common.rdclass == rdclass); REQUIRE(x25->x25 != NULL && x25->x25_len != 0); UNUSED(type); UNUSED(rdclass); if (x25->x25_len < 4) { return (ISC_R_RANGE); } for (i = 0; i < x25->x25_len; i++) { if (!isdigit((unsigned char)x25->x25[i])) { return (ISC_R_RANGE); } } RETERR(uint8_tobuffer(x25->x25_len, target)); return (mem_tobuffer(target, x25->x25, x25->x25_len)); } static isc_result_t tostruct_x25(ARGS_TOSTRUCT) { dns_rdata_x25_t *x25 = target; isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_x25); REQUIRE(x25 != NULL); REQUIRE(rdata->length != 0); x25->common.rdclass = rdata->rdclass; x25->common.rdtype = rdata->type; ISC_LINK_INIT(&x25->common, link); dns_rdata_toregion(rdata, &r); x25->x25_len = uint8_fromregion(&r); isc_region_consume(&r, 1); x25->x25 = mem_maybedup(mctx, r.base, x25->x25_len); if (x25->x25 == NULL) { return (ISC_R_NOMEMORY); } x25->mctx = mctx; return (ISC_R_SUCCESS); } static void freestruct_x25(ARGS_FREESTRUCT) { dns_rdata_x25_t *x25 = source; REQUIRE(x25 != NULL); REQUIRE(x25->common.rdtype == dns_rdatatype_x25); if (x25->mctx == NULL) { return; } if (x25->x25 != NULL) { isc_mem_free(x25->mctx, x25->x25); } x25->mctx = NULL; } static isc_result_t additionaldata_x25(ARGS_ADDLDATA) { REQUIRE(rdata->type == dns_rdatatype_x25); UNUSED(rdata); UNUSED(owner); UNUSED(add); UNUSED(arg); return (ISC_R_SUCCESS); } static isc_result_t digest_x25(ARGS_DIGEST) { isc_region_t r; REQUIRE(rdata->type == dns_rdatatype_x25); dns_rdata_toregion(rdata, &r); return ((digest)(arg, &r)); } static bool checkowner_x25(ARGS_CHECKOWNER) { REQUIRE(type == dns_rdatatype_x25); UNUSED(name); UNUSED(type); UNUSED(rdclass); UNUSED(wildcard); return (true); } static bool checknames_x25(ARGS_CHECKNAMES) { REQUIRE(rdata->type == dns_rdatatype_x25); UNUSED(rdata); UNUSED(owner); UNUSED(bad); return (true); } static int casecompare_x25(ARGS_COMPARE) { return (compare_x25(rdata1, rdata2)); } #endif /* RDATA_GENERIC_X25_19_C */