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-rw-r--r--lib/dns/rdata/generic/spf_99.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/spf_99.c b/lib/dns/rdata/generic/spf_99.c
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+++ b/lib/dns/rdata/generic/spf_99.c
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+/*
+ * Copyright (C) 2004, 2005, 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: spf_99.c,v 1.4 2007/06/19 23:47:17 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, &region);
+
+ while (region.length > 0) {
+ RETERR(txt_totext(&region, 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, &region);
+ 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(&region);
+ isc_region_consume(&region, 1);
+ if (region.length <= length)
+ return (ISC_R_UNEXPECTEDEND);
+ isc_region_consume(&region, 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);
+}
+
+#endif /* RDATA_GENERIC_SPF_99_C */