rp_17.c revision e0a30050c8516a3d54a4f8dcdd88435704a8a3ed
/*
* Copyright (C) 2004, 2005, 2007, 2009, 2015 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 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: rp_17.c,v 1.44 2009/12/04 22:06:37 tbox Exp $ */
/* RFC1183 */
#ifndef RDATA_GENERIC_RP_17_C
#define RDATA_GENERIC_RP_17_C
#define RRTYPE_RP_ATTRIBUTES (0)
static inline isc_result_t
fromtext_rp(ARGS_FROMTEXT) {
isc_token_t token;
dns_name_t name;
isc_buffer_t buffer;
int i;
isc_boolean_t ok;
REQUIRE(type == dns_rdatatype_rp);
UNUSED(type);
UNUSED(rdclass);
UNUSED(callbacks);
if (origin == NULL)
origin = dns_rootname;
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);
RETTOK(dns_name_fromtext(&name, &buffer, origin,
options, target));
ok = ISC_TRUE;
if ((options & DNS_RDATA_CHECKNAMES) != 0 && i == 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_rp(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 == dns_rdatatype_rp);
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_rp(ARGS_FROMWIRE) {
dns_name_t rmail;
dns_name_t email;
REQUIRE(type == dns_rdatatype_rp);
UNUSED(type);
UNUSED(rdclass);
dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
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_rp(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 == dns_rdatatype_rp);
REQUIRE(rdata->length != 0);
dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
dns_name_init(&rmail, roffsets);
dns_name_init(&email, eoffsets);
dns_rdata_toregion(rdata, &region);
dns_name_fromregion(&rmail, &region);
isc_region_consume(&region, rmail.length);
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_rp(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 == dns_rdatatype_rp);
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);
return (dns_name_rdatacompare(&name1, &name2));
}
static inline isc_result_t
fromstruct_rp(ARGS_FROMSTRUCT) {
dns_rdata_rp_t *rp = source;
isc_region_t region;
REQUIRE(type == dns_rdatatype_rp);
REQUIRE(source != NULL);
REQUIRE(rp->common.rdtype == type);
REQUIRE(rp->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
dns_name_toregion(&rp->mail, &region);
RETERR(isc_buffer_copyregion(target, &region));
dns_name_toregion(&rp->text, &region);
return (isc_buffer_copyregion(target, &region));
}
static inline isc_result_t
tostruct_rp(ARGS_TOSTRUCT) {
isc_result_t result;
isc_region_t region;
dns_rdata_rp_t *rp = target;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_rp);
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
rp->common.rdclass = rdata->rdclass;
rp->common.rdtype = rdata->type;
ISC_LINK_INIT(&rp->common, link);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, &region);
dns_name_fromregion(&name, &region);
dns_name_init(&rp->mail, NULL);
RETERR(name_duporclone(&name, mctx, &rp->mail));
isc_region_consume(&region, name_length(&name));
dns_name_fromregion(&name, &region);
dns_name_init(&rp->text, NULL);
result = name_duporclone(&name, mctx, &rp->text);
if (result != ISC_R_SUCCESS)
goto cleanup;
rp->mctx = mctx;
return (ISC_R_SUCCESS);
cleanup:
if (mctx != NULL)
dns_name_free(&rp->mail, mctx);
return (ISC_R_NOMEMORY);
}
static inline void
freestruct_rp(ARGS_FREESTRUCT) {
dns_rdata_rp_t *rp = source;
REQUIRE(source != NULL);
REQUIRE(rp->common.rdtype == dns_rdatatype_rp);
if (rp->mctx == NULL)
return;
dns_name_free(&rp->mail, rp->mctx);
dns_name_free(&rp->text, rp->mctx);
rp->mctx = NULL;
}
static inline isc_result_t
additionaldata_rp(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_rp);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
digest_rp(ARGS_DIGEST) {
isc_region_t r;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_rp);
dns_rdata_toregion(rdata, &r);
dns_name_init(&name, NULL);
dns_name_fromregion(&name, &r);
RETERR(dns_name_digest(&name, digest, arg));
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_rp(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_rp);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (ISC_TRUE);
}
static inline isc_boolean_t
checknames_rp(ARGS_CHECKNAMES) {
isc_region_t region;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_rp);
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);
}
return (ISC_TRUE);
}
static inline int
casecompare_rp(ARGS_COMPARE) {
return (compare_rp(rdata1, rdata2));
}
#endif /* RDATA_GENERIC_RP_17_C */