diff options
Diffstat (limited to 'lib/dns/rdata/generic/l32_105.c')
| -rw-r--r-- | lib/dns/rdata/generic/l32_105.c | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/l32_105.c b/lib/dns/rdata/generic/l32_105.c new file mode 100644 index 0000000..07cbc0f --- /dev/null +++ b/lib/dns/rdata/generic/l32_105.c @@ -0,0 +1,230 @@ +/* + * 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. + */ + +#ifndef RDATA_GENERIC_L32_105_C +#define RDATA_GENERIC_L32_105_C + +#include <string.h> + +#include <isc/net.h> + +#define RRTYPE_L32_ATTRIBUTES (0) + +static isc_result_t +fromtext_l32(ARGS_FROMTEXT) { + isc_token_t token; + struct in_addr addr; + isc_region_t region; + + REQUIRE(type == dns_rdatatype_l32); + + UNUSED(type); + UNUSED(rdclass); + UNUSED(origin); + UNUSED(options); + UNUSED(callbacks); + + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number, + false)); + if (token.value.as_ulong > 0xffffU) { + RETTOK(ISC_R_RANGE); + } + RETERR(uint16_tobuffer(token.value.as_ulong, target)); + + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, + false)); + + if (inet_pton(AF_INET, DNS_AS_STR(token), &addr) != 1) { + RETTOK(DNS_R_BADDOTTEDQUAD); + } + isc_buffer_availableregion(target, ®ion); + if (region.length < 4) { + return (ISC_R_NOSPACE); + } + memmove(region.base, &addr, 4); + isc_buffer_add(target, 4); + return (ISC_R_SUCCESS); +} + +static isc_result_t +totext_l32(ARGS_TOTEXT) { + isc_region_t region; + char buf[sizeof("65000")]; + unsigned short num; + + REQUIRE(rdata->type == dns_rdatatype_l32); + REQUIRE(rdata->length == 6); + + UNUSED(tctx); + + dns_rdata_toregion(rdata, ®ion); + num = uint16_fromregion(®ion); + isc_region_consume(®ion, 2); + snprintf(buf, sizeof(buf), "%u", num); + RETERR(str_totext(buf, target)); + + RETERR(str_totext(" ", target)); + + return (inet_totext(AF_INET, tctx->flags, ®ion, target)); +} + +static isc_result_t +fromwire_l32(ARGS_FROMWIRE) { + isc_region_t sregion; + + REQUIRE(type == dns_rdatatype_l32); + + UNUSED(type); + UNUSED(options); + UNUSED(rdclass); + UNUSED(dctx); + + isc_buffer_activeregion(source, &sregion); + if (sregion.length != 6) { + return (DNS_R_FORMERR); + } + isc_buffer_forward(source, sregion.length); + return (mem_tobuffer(target, sregion.base, sregion.length)); +} + +static isc_result_t +towire_l32(ARGS_TOWIRE) { + REQUIRE(rdata->type == dns_rdatatype_l32); + REQUIRE(rdata->length == 6); + + UNUSED(cctx); + + return (mem_tobuffer(target, rdata->data, rdata->length)); +} + +static int +compare_l32(ARGS_COMPARE) { + isc_region_t region1; + isc_region_t region2; + + REQUIRE(rdata1->type == rdata2->type); + REQUIRE(rdata1->rdclass == rdata2->rdclass); + REQUIRE(rdata1->type == dns_rdatatype_l32); + REQUIRE(rdata1->length == 6); + REQUIRE(rdata2->length == 6); + + dns_rdata_toregion(rdata1, ®ion1); + dns_rdata_toregion(rdata2, ®ion2); + return (isc_region_compare(®ion1, ®ion2)); +} + +static isc_result_t +fromstruct_l32(ARGS_FROMSTRUCT) { + dns_rdata_l32_t *l32 = source; + uint32_t n; + + REQUIRE(type == dns_rdatatype_l32); + REQUIRE(l32 != NULL); + REQUIRE(l32->common.rdtype == type); + REQUIRE(l32->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + RETERR(uint16_tobuffer(l32->pref, target)); + n = ntohl(l32->l32.s_addr); + return (uint32_tobuffer(n, target)); +} + +static isc_result_t +tostruct_l32(ARGS_TOSTRUCT) { + isc_region_t region; + dns_rdata_l32_t *l32 = target; + uint32_t n; + + REQUIRE(rdata->type == dns_rdatatype_l32); + REQUIRE(l32 != NULL); + REQUIRE(rdata->length == 6); + + UNUSED(mctx); + + l32->common.rdclass = rdata->rdclass; + l32->common.rdtype = rdata->type; + ISC_LINK_INIT(&l32->common, link); + + dns_rdata_toregion(rdata, ®ion); + l32->pref = uint16_fromregion(®ion); + n = uint32_fromregion(®ion); + l32->l32.s_addr = htonl(n); + return (ISC_R_SUCCESS); +} + +static void +freestruct_l32(ARGS_FREESTRUCT) { + dns_rdata_l32_t *l32 = source; + + REQUIRE(l32 != NULL); + REQUIRE(l32->common.rdtype == dns_rdatatype_l32); + + return; +} + +static isc_result_t +additionaldata_l32(ARGS_ADDLDATA) { + REQUIRE(rdata->type == dns_rdatatype_l32); + REQUIRE(rdata->length == 6); + + UNUSED(rdata); + UNUSED(add); + UNUSED(arg); + + return (ISC_R_SUCCESS); +} + +static isc_result_t +digest_l32(ARGS_DIGEST) { + isc_region_t r; + + REQUIRE(rdata->type == dns_rdatatype_l32); + REQUIRE(rdata->length == 6); + + dns_rdata_toregion(rdata, &r); + + return ((digest)(arg, &r)); +} + +static bool +checkowner_l32(ARGS_CHECKOWNER) { + REQUIRE(type == dns_rdatatype_l32); + + UNUSED(name); + UNUSED(type); + UNUSED(rdclass); + UNUSED(wildcard); + + return (true); +} + +static bool +checknames_l32(ARGS_CHECKNAMES) { + REQUIRE(rdata->type == dns_rdatatype_l32); + REQUIRE(rdata->length == 6); + + UNUSED(rdata); + UNUSED(owner); + UNUSED(bad); + + return (true); +} + +static int +casecompare_l32(ARGS_COMPARE) { + return (compare_l32(rdata1, rdata2)); +} + +#endif /* RDATA_GENERIC_L32_105_C */ |