From f50ae72ec3417cae55dd4e085991c01af9fdc5f1 Mon Sep 17 00:00:00 2001 From: Martin Nagy Date: Wed, 11 Feb 2009 20:37:59 +0100 Subject: Initial commit --- lib/dns/rdata/in_1/a_1.c | 236 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 236 insertions(+) create mode 100644 lib/dns/rdata/in_1/a_1.c (limited to 'lib/dns/rdata/in_1/a_1.c') diff --git a/lib/dns/rdata/in_1/a_1.c b/lib/dns/rdata/in_1/a_1.c new file mode 100644 index 0000000..d7644bc --- /dev/null +++ b/lib/dns/rdata/in_1/a_1.c @@ -0,0 +1,236 @@ +/* + * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC") + * Copyright (C) 1998-2002 Internet Software Consortium. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH + * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, + * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM + * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE + * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ + +/* $Id: a_1.c,v 1.53 2007/06/19 23:47:17 tbox Exp $ */ + +/* Reviewed: Thu Mar 16 16:52:50 PST 2000 by bwelling */ + +#ifndef RDATA_IN_1_A_1_C +#define RDATA_IN_1_A_1_C + +#include + +#include + +#define RRTYPE_A_ATTRIBUTES (0) + +static inline isc_result_t +fromtext_in_a(ARGS_FROMTEXT) { + isc_token_t token; + struct in_addr addr; + isc_region_t region; + + REQUIRE(type == 1); + REQUIRE(rdclass == 1); + + UNUSED(type); + UNUSED(origin); + UNUSED(options); + UNUSED(rdclass); + + RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string, + ISC_FALSE)); + + if (getquad(DNS_AS_STR(token), &addr, lexer, callbacks) != 1) + RETTOK(DNS_R_BADDOTTEDQUAD); + isc_buffer_availableregion(target, ®ion); + if (region.length < 4) + return (ISC_R_NOSPACE); + memcpy(region.base, &addr, 4); + isc_buffer_add(target, 4); + return (ISC_R_SUCCESS); +} + +static inline isc_result_t +totext_in_a(ARGS_TOTEXT) { + isc_region_t region; + + REQUIRE(rdata->type == 1); + REQUIRE(rdata->rdclass == 1); + REQUIRE(rdata->length == 4); + + UNUSED(tctx); + + dns_rdata_toregion(rdata, ®ion); + return (inet_totext(AF_INET, ®ion, target)); +} + +static inline isc_result_t +fromwire_in_a(ARGS_FROMWIRE) { + isc_region_t sregion; + isc_region_t tregion; + + REQUIRE(type == 1); + REQUIRE(rdclass == 1); + + UNUSED(type); + UNUSED(dctx); + UNUSED(options); + UNUSED(rdclass); + + isc_buffer_activeregion(source, &sregion); + isc_buffer_availableregion(target, &tregion); + if (sregion.length < 4) + return (ISC_R_UNEXPECTEDEND); + if (tregion.length < 4) + return (ISC_R_NOSPACE); + + memcpy(tregion.base, sregion.base, 4); + isc_buffer_forward(source, 4); + isc_buffer_add(target, 4); + return (ISC_R_SUCCESS); +} + +static inline isc_result_t +towire_in_a(ARGS_TOWIRE) { + isc_region_t region; + + REQUIRE(rdata->type == 1); + REQUIRE(rdata->rdclass == 1); + REQUIRE(rdata->length == 4); + + UNUSED(cctx); + + isc_buffer_availableregion(target, ®ion); + if (region.length < rdata->length) + return (ISC_R_NOSPACE); + memcpy(region.base, rdata->data, rdata->length); + isc_buffer_add(target, 4); + return (ISC_R_SUCCESS); +} + +static inline int +compare_in_a(ARGS_COMPARE) { + isc_region_t r1; + isc_region_t r2; + + REQUIRE(rdata1->type == rdata2->type); + REQUIRE(rdata1->rdclass == rdata2->rdclass); + REQUIRE(rdata1->type == 1); + REQUIRE(rdata1->rdclass == 1); + REQUIRE(rdata1->length == 4); + REQUIRE(rdata2->length == 4); + + dns_rdata_toregion(rdata1, &r1); + dns_rdata_toregion(rdata2, &r2); + return (isc_region_compare(&r1, &r2)); +} + +static inline isc_result_t +fromstruct_in_a(ARGS_FROMSTRUCT) { + dns_rdata_in_a_t *a = source; + isc_uint32_t n; + + REQUIRE(type == 1); + REQUIRE(rdclass == 1); + REQUIRE(source != NULL); + REQUIRE(a->common.rdtype == type); + REQUIRE(a->common.rdclass == rdclass); + + UNUSED(type); + UNUSED(rdclass); + + n = ntohl(a->in_addr.s_addr); + + return (uint32_tobuffer(n, target)); +} + + +static inline isc_result_t +tostruct_in_a(ARGS_TOSTRUCT) { + dns_rdata_in_a_t *a = target; + isc_uint32_t n; + isc_region_t region; + + REQUIRE(rdata->type == 1); + REQUIRE(rdata->rdclass == 1); + REQUIRE(rdata->length == 4); + + UNUSED(mctx); + + a->common.rdclass = rdata->rdclass; + a->common.rdtype = rdata->type; + ISC_LINK_INIT(&a->common, link); + + dns_rdata_toregion(rdata, ®ion); + n = uint32_fromregion(®ion); + a->in_addr.s_addr = htonl(n); + + return (ISC_R_SUCCESS); +} + +static inline void +freestruct_in_a(ARGS_FREESTRUCT) { + dns_rdata_in_a_t *a = source; + + REQUIRE(source != NULL); + REQUIRE(a->common.rdtype == 1); + REQUIRE(a->common.rdclass == 1); + + UNUSED(a); +} + +static inline isc_result_t +additionaldata_in_a(ARGS_ADDLDATA) { + REQUIRE(rdata->type == 1); + REQUIRE(rdata->rdclass == 1); + + UNUSED(rdata); + UNUSED(add); + UNUSED(arg); + + return (ISC_R_SUCCESS); +} + +static inline isc_result_t +digest_in_a(ARGS_DIGEST) { + isc_region_t r; + + REQUIRE(rdata->type == 1); + REQUIRE(rdata->rdclass == 1); + + dns_rdata_toregion(rdata, &r); + + return ((digest)(arg, &r)); +} + +static inline isc_boolean_t +checkowner_in_a(ARGS_CHECKOWNER) { + + REQUIRE(type == 1); + REQUIRE(rdclass == 1); + + UNUSED(type); + UNUSED(rdclass); + + return (dns_name_ishostname(name, wildcard)); +} + +static inline isc_boolean_t +checknames_in_a(ARGS_CHECKNAMES) { + + REQUIRE(rdata->type == 1); + REQUIRE(rdata->rdclass == 1); + + UNUSED(rdata); + UNUSED(owner); + UNUSED(bad); + + return (ISC_TRUE); +} + +#endif /* RDATA_IN_1_A_1_C */ -- cgit