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Diffstat (limited to 'lib/dns/rdata/generic/minfo_14.c')
-rw-r--r--lib/dns/rdata/generic/minfo_14.c324
1 files changed, 324 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/minfo_14.c b/lib/dns/rdata/generic/minfo_14.c
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+++ b/lib/dns/rdata/generic/minfo_14.c
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+/*
+ * Copyright (C) 2004, 2007 Internet Systems Consortium, Inc. ("ISC")
+ * Copyright (C) 1998-2001 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: minfo_14.c,v 1.45 2007/06/19 23:47:17 tbox Exp $ */
+
+/* reviewed: Wed Mar 15 17:45:32 PST 2000 by brister */
+
+#ifndef RDATA_GENERIC_MINFO_14_C
+#define RDATA_GENERIC_MINFO_14_C
+
+#define RRTYPE_MINFO_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_minfo(ARGS_FROMTEXT) {
+ isc_token_t token;
+ dns_name_t name;
+ isc_buffer_t buffer;
+ int i;
+ isc_boolean_t ok;
+
+ REQUIRE(type == 14);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(callbacks);
+
+ for (i = 0; i < 2; i++) {
+ RETERR(isc_lex_getmastertoken(lexer, &token,
+ isc_tokentype_string,
+ ISC_FALSE));
+ dns_name_init(&name, NULL);
+ buffer_fromregion(&buffer, &token.value.as_region);
+ origin = (origin != NULL) ? origin : dns_rootname;
+ RETTOK(dns_name_fromtext(&name, &buffer, origin,
+ options, target));
+ ok = ISC_TRUE;
+ if ((options & DNS_RDATA_CHECKNAMES) != 0)
+ ok = dns_name_ismailbox(&name);
+ if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0)
+ RETTOK(DNS_R_BADNAME);
+ if (!ok && callbacks != NULL)
+ warn_badname(&name, lexer, callbacks);
+ }
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+totext_minfo(ARGS_TOTEXT) {
+ isc_region_t region;
+ dns_name_t rmail;
+ dns_name_t email;
+ dns_name_t prefix;
+ isc_boolean_t sub;
+
+ REQUIRE(rdata->type == 14);
+ REQUIRE(rdata->length != 0);
+
+ dns_name_init(&rmail, NULL);
+ dns_name_init(&email, NULL);
+ dns_name_init(&prefix, NULL);
+
+ dns_rdata_toregion(rdata, &region);
+
+ dns_name_fromregion(&rmail, &region);
+ isc_region_consume(&region, rmail.length);
+
+ dns_name_fromregion(&email, &region);
+ isc_region_consume(&region, email.length);
+
+ sub = name_prefix(&rmail, tctx->origin, &prefix);
+
+ RETERR(dns_name_totext(&prefix, sub, target));
+
+ RETERR(str_totext(" ", target));
+
+ sub = name_prefix(&email, tctx->origin, &prefix);
+ return (dns_name_totext(&prefix, sub, target));
+}
+
+static inline isc_result_t
+fromwire_minfo(ARGS_FROMWIRE) {
+ dns_name_t rmail;
+ dns_name_t email;
+
+ REQUIRE(type == 14);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ dns_decompress_setmethods(dctx, DNS_COMPRESS_GLOBAL14);
+
+ dns_name_init(&rmail, NULL);
+ dns_name_init(&email, NULL);
+
+ RETERR(dns_name_fromwire(&rmail, source, dctx, options, target));
+ return (dns_name_fromwire(&email, source, dctx, options, target));
+}
+
+static inline isc_result_t
+towire_minfo(ARGS_TOWIRE) {
+ isc_region_t region;
+ dns_name_t rmail;
+ dns_name_t email;
+ dns_offsets_t roffsets;
+ dns_offsets_t eoffsets;
+
+ REQUIRE(rdata->type == 14);
+ REQUIRE(rdata->length != 0);
+
+ dns_compress_setmethods(cctx, DNS_COMPRESS_GLOBAL14);
+
+ dns_name_init(&rmail, roffsets);
+ dns_name_init(&email, eoffsets);
+
+ dns_rdata_toregion(rdata, &region);
+
+ dns_name_fromregion(&rmail, &region);
+ isc_region_consume(&region, name_length(&rmail));
+
+ RETERR(dns_name_towire(&rmail, cctx, target));
+
+ dns_name_fromregion(&rmail, &region);
+ isc_region_consume(&region, rmail.length);
+
+ return (dns_name_towire(&rmail, cctx, target));
+}
+
+static inline int
+compare_minfo(ARGS_COMPARE) {
+ isc_region_t region1;
+ isc_region_t region2;
+ dns_name_t name1;
+ dns_name_t name2;
+ int order;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == 14);
+ REQUIRE(rdata1->length != 0);
+ REQUIRE(rdata2->length != 0);
+
+ dns_name_init(&name1, NULL);
+ dns_name_init(&name2, NULL);
+
+ dns_rdata_toregion(rdata1, &region1);
+ dns_rdata_toregion(rdata2, &region2);
+
+ dns_name_fromregion(&name1, &region1);
+ dns_name_fromregion(&name2, &region2);
+
+ order = dns_name_rdatacompare(&name1, &name2);
+ if (order != 0)
+ return (order);
+
+ isc_region_consume(&region1, name_length(&name1));
+ isc_region_consume(&region2, name_length(&name2));
+
+ dns_name_init(&name1, NULL);
+ dns_name_init(&name2, NULL);
+
+ dns_name_fromregion(&name1, &region1);
+ dns_name_fromregion(&name2, &region2);
+
+ order = dns_name_rdatacompare(&name1, &name2);
+ return (order);
+}
+
+static inline isc_result_t
+fromstruct_minfo(ARGS_FROMSTRUCT) {
+ dns_rdata_minfo_t *minfo = source;
+ isc_region_t region;
+
+ REQUIRE(type == 14);
+ REQUIRE(source != NULL);
+ REQUIRE(minfo->common.rdtype == type);
+ REQUIRE(minfo->common.rdclass == rdclass);
+
+ UNUSED(type);
+ UNUSED(rdclass);
+
+ dns_name_toregion(&minfo->rmailbox, &region);
+ RETERR(isc_buffer_copyregion(target, &region));
+ dns_name_toregion(&minfo->emailbox, &region);
+ return (isc_buffer_copyregion(target, &region));
+}
+
+static inline isc_result_t
+tostruct_minfo(ARGS_TOSTRUCT) {
+ dns_rdata_minfo_t *minfo = target;
+ isc_region_t region;
+ dns_name_t name;
+ isc_result_t result;
+
+ REQUIRE(rdata->type == 14);
+ REQUIRE(target != NULL);
+ REQUIRE(rdata->length != 0);
+
+ minfo->common.rdclass = rdata->rdclass;
+ minfo->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&minfo->common, link);
+
+ dns_name_init(&name, NULL);
+ dns_rdata_toregion(rdata, &region);
+ dns_name_fromregion(&name, &region);
+ dns_name_init(&minfo->rmailbox, NULL);
+ RETERR(name_duporclone(&name, mctx, &minfo->rmailbox));
+ isc_region_consume(&region, name_length(&name));
+
+ dns_name_fromregion(&name, &region);
+ dns_name_init(&minfo->emailbox, NULL);
+ result = name_duporclone(&name, mctx, &minfo->emailbox);
+ if (result != ISC_R_SUCCESS)
+ goto cleanup;
+ minfo->mctx = mctx;
+ return (ISC_R_SUCCESS);
+
+ cleanup:
+ if (mctx != NULL)
+ dns_name_free(&minfo->rmailbox, mctx);
+ return (ISC_R_NOMEMORY);
+}
+
+static inline void
+freestruct_minfo(ARGS_FREESTRUCT) {
+ dns_rdata_minfo_t *minfo = source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(minfo->common.rdtype == 14);
+
+ if (minfo->mctx == NULL)
+ return;
+
+ dns_name_free(&minfo->rmailbox, minfo->mctx);
+ dns_name_free(&minfo->emailbox, minfo->mctx);
+ minfo->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_minfo(ARGS_ADDLDATA) {
+ REQUIRE(rdata->type == 14);
+
+ UNUSED(rdata);
+ UNUSED(add);
+ UNUSED(arg);
+
+ return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_minfo(ARGS_DIGEST) {
+ isc_region_t r;
+ dns_name_t name;
+ isc_result_t result;
+
+ REQUIRE(rdata->type == 14);
+
+ dns_rdata_toregion(rdata, &r);
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &r);
+ result = dns_name_digest(&name, digest, arg);
+ if (result != ISC_R_SUCCESS)
+ return (result);
+ isc_region_consume(&r, name_length(&name));
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &r);
+
+ return (dns_name_digest(&name, digest, arg));
+}
+
+static inline isc_boolean_t
+checkowner_minfo(ARGS_CHECKOWNER) {
+
+ REQUIRE(type == 14);
+
+ UNUSED(name);
+ UNUSED(type);
+ UNUSED(rdclass);
+ UNUSED(wildcard);
+
+ return (ISC_TRUE);
+}
+
+static inline isc_boolean_t
+checknames_minfo(ARGS_CHECKNAMES) {
+ isc_region_t region;
+ dns_name_t name;
+
+ REQUIRE(rdata->type == 14);
+
+ UNUSED(owner);
+
+ dns_rdata_toregion(rdata, &region);
+ dns_name_init(&name, NULL);
+ dns_name_fromregion(&name, &region);
+ if (!dns_name_ismailbox(&name)) {
+ if (bad != NULL)
+ dns_name_clone(&name, bad);
+ return (ISC_FALSE);
+ }
+ isc_region_consume(&region, name_length(&name));
+ dns_name_fromregion(&name, &region);
+ if (!dns_name_ismailbox(&name)) {
+ if (bad != NULL)
+ dns_name_clone(&name, bad);
+ return (ISC_FALSE);
+ }
+ return (ISC_TRUE);
+}
+
+#endif /* RDATA_GENERIC_MINFO_14_C */
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