diff options
Diffstat (limited to 'lib/dns/rdata/generic/x25_19.c')
| -rw-r--r-- | lib/dns/rdata/generic/x25_19.c | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/x25_19.c b/lib/dns/rdata/generic/x25_19.c new file mode 100644 index 0000000..a0fe705 --- /dev/null +++ b/lib/dns/rdata/generic/x25_19.c @@ -0,0 +1,233 @@ +/* + * 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 */ |