diff options
Diffstat (limited to 'lib/dns/rdata/in_1/nsap_22.c')
| -rw-r--r-- | lib/dns/rdata/in_1/nsap_22.c | 260 |
1 files changed, 260 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..fc92014 --- /dev/null +++ b/lib/dns/rdata/in_1/nsap_22.c @@ -0,0 +1,260 @@ +/* + * 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, ®ion); + RETERR(str_totext("0x", target)); + while (region.length != 0) { + snprintf(buf, sizeof(buf), "%02x", region.base[0]); + isc_region_consume(®ion, 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, ®ion); + 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(owner); + 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 */ |