/contrib/bind9/lib/dns/rdata/generic/spf_99.c
https://bitbucket.org/freebsd/freebsd-head/ · C · 242 lines · 167 code · 56 blank · 19 comment · 41 complexity · b0813f4a9956fe7202ac52becaf931d5 MD5 · raw file
- /*
- * Copyright (C) 2004, 2005, 2007, 2009 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: spf_99.c,v 1.6 2009/12/04 22:06:37 tbox Exp $ */
- /* Reviewed: Thu Mar 16 15:40:00 PST 2000 by bwelling */
- #ifndef RDATA_GENERIC_SPF_99_C
- #define RDATA_GENERIC_SPF_99_C
- #define RRTYPE_SPF_ATTRIBUTES (0)
- static inline isc_result_t
- fromtext_spf(ARGS_FROMTEXT) {
- isc_token_t token;
- int strings;
- REQUIRE(type == 99);
- UNUSED(type);
- UNUSED(rdclass);
- UNUSED(origin);
- UNUSED(options);
- UNUSED(callbacks);
- strings = 0;
- for (;;) {
- RETERR(isc_lex_getmastertoken(lexer, &token,
- isc_tokentype_qstring,
- ISC_TRUE));
- if (token.type != isc_tokentype_qstring &&
- token.type != isc_tokentype_string)
- break;
- RETTOK(txt_fromtext(&token.value.as_textregion, target));
- strings++;
- }
- /* Let upper layer handle eol/eof. */
- isc_lex_ungettoken(lexer, &token);
- return (strings == 0 ? ISC_R_UNEXPECTEDEND : ISC_R_SUCCESS);
- }
- static inline isc_result_t
- totext_spf(ARGS_TOTEXT) {
- isc_region_t region;
- UNUSED(tctx);
- REQUIRE(rdata->type == 99);
- dns_rdata_toregion(rdata, ®ion);
- while (region.length > 0) {
- RETERR(txt_totext(®ion, target));
- if (region.length > 0)
- RETERR(str_totext(" ", target));
- }
- return (ISC_R_SUCCESS);
- }
- static inline isc_result_t
- fromwire_spf(ARGS_FROMWIRE) {
- isc_result_t result;
- REQUIRE(type == 99);
- UNUSED(type);
- UNUSED(dctx);
- UNUSED(rdclass);
- UNUSED(options);
- do {
- result = txt_fromwire(source, target);
- if (result != ISC_R_SUCCESS)
- return (result);
- } while (!buffer_empty(source));
- return (ISC_R_SUCCESS);
- }
- static inline isc_result_t
- towire_spf(ARGS_TOWIRE) {
- isc_region_t region;
- REQUIRE(rdata->type == 99);
- 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, rdata->length);
- return (ISC_R_SUCCESS);
- }
- static inline int
- compare_spf(ARGS_COMPARE) {
- isc_region_t r1;
- isc_region_t r2;
- REQUIRE(rdata1->type == rdata2->type);
- REQUIRE(rdata1->rdclass == rdata2->rdclass);
- REQUIRE(rdata1->type == 99);
- dns_rdata_toregion(rdata1, &r1);
- dns_rdata_toregion(rdata2, &r2);
- return (isc_region_compare(&r1, &r2));
- }
- static inline isc_result_t
- fromstruct_spf(ARGS_FROMSTRUCT) {
- dns_rdata_spf_t *txt = source;
- isc_region_t region;
- isc_uint8_t length;
- REQUIRE(type == 99);
- REQUIRE(source != NULL);
- REQUIRE(txt->common.rdtype == type);
- REQUIRE(txt->common.rdclass == rdclass);
- REQUIRE(txt->txt != NULL && txt->txt_len != 0);
- UNUSED(type);
- UNUSED(rdclass);
- region.base = txt->txt;
- region.length = txt->txt_len;
- while (region.length > 0) {
- length = uint8_fromregion(®ion);
- isc_region_consume(®ion, 1);
- if (region.length <= length)
- return (ISC_R_UNEXPECTEDEND);
- isc_region_consume(®ion, length);
- }
- return (mem_tobuffer(target, txt->txt, txt->txt_len));
- }
- static inline isc_result_t
- tostruct_spf(ARGS_TOSTRUCT) {
- dns_rdata_spf_t *txt = target;
- isc_region_t r;
- REQUIRE(rdata->type == 99);
- REQUIRE(target != NULL);
- txt->common.rdclass = rdata->rdclass;
- txt->common.rdtype = rdata->type;
- ISC_LINK_INIT(&txt->common, link);
- dns_rdata_toregion(rdata, &r);
- txt->txt_len = r.length;
- txt->txt = mem_maybedup(mctx, r.base, r.length);
- if (txt->txt == NULL)
- return (ISC_R_NOMEMORY);
- txt->offset = 0;
- txt->mctx = mctx;
- return (ISC_R_SUCCESS);
- }
- static inline void
- freestruct_spf(ARGS_FREESTRUCT) {
- dns_rdata_spf_t *txt = source;
- REQUIRE(source != NULL);
- REQUIRE(txt->common.rdtype == 99);
- if (txt->mctx == NULL)
- return;
- if (txt->txt != NULL)
- isc_mem_free(txt->mctx, txt->txt);
- txt->mctx = NULL;
- }
- static inline isc_result_t
- additionaldata_spf(ARGS_ADDLDATA) {
- REQUIRE(rdata->type == 99);
- UNUSED(rdata);
- UNUSED(add);
- UNUSED(arg);
- return (ISC_R_SUCCESS);
- }
- static inline isc_result_t
- digest_spf(ARGS_DIGEST) {
- isc_region_t r;
- REQUIRE(rdata->type == 99);
- dns_rdata_toregion(rdata, &r);
- return ((digest)(arg, &r));
- }
- static inline isc_boolean_t
- checkowner_spf(ARGS_CHECKOWNER) {
- REQUIRE(type == 99);
- UNUSED(name);
- UNUSED(type);
- UNUSED(rdclass);
- UNUSED(wildcard);
- return (ISC_TRUE);
- }
- static inline isc_boolean_t
- checknames_spf(ARGS_CHECKNAMES) {
- REQUIRE(rdata->type == 99);
- UNUSED(rdata);
- UNUSED(owner);
- UNUSED(bad);
- return (ISC_TRUE);
- }
- static inline int
- casecompare_spf(ARGS_COMPARE) {
- return (compare_spf(rdata1, rdata2));
- }
- #endif /* RDATA_GENERIC_SPF_99_C */