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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* 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.
*/
#ifndef RDATA_GENERIC_DOA_259_C
#define RDATA_GENERIC_DOA_259_C
#define RRTYPE_DOA_ATTRIBUTES (0)
static inline isc_result_t
totext_doa(ARGS_TOTEXT) {
char buf[sizeof("4294967295 ")];
isc_region_t region;
uint32_t n;
REQUIRE(rdata != NULL);
REQUIRE(rdata->type == dns_rdatatype_doa);
REQUIRE(rdata->length != 0);
UNUSED(tctx);
dns_rdata_toregion(rdata, ®ion);
/*
* DOA-ENTERPRISE
*/
n = uint32_fromregion(®ion);
isc_region_consume(®ion, 4);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* DOA-TYPE
*/
n = uint32_fromregion(®ion);
isc_region_consume(®ion, 4);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* DOA-LOCATION
*/
n = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* DOA-MEDIA-TYPE
*/
RETERR(txt_totext(®ion, ISC_TRUE, target));
RETERR(str_totext(" ", target));
/*
* DOA-DATA
*/
if (region.length == 0) {
return (str_totext("-", target));
} else {
return (isc_base64_totext(®ion, 60, "", target));
}
}
static inline isc_result_t
fromwire_doa(ARGS_FROMWIRE) {
isc_region_t region;
UNUSED(rdclass);
UNUSED(dctx);
UNUSED(options);
REQUIRE(type == dns_rdatatype_doa);
isc_buffer_activeregion(source, ®ion);
/*
* DOA-MEDIA-TYPE may be an empty <character-string> (i.e.,
* comprising of just the length octet) and DOA-DATA can have
* zero length.
*/
if (region.length < 4 + 4 + 1 + 1) {
return (ISC_R_UNEXPECTEDEND);
}
/*
* Check whether DOA-MEDIA-TYPE length is not malformed.
*/
if (region.base[9] > region.length - 10) {
return (ISC_R_UNEXPECTEDEND);
}
isc_buffer_forward(source, region.length);
return (mem_tobuffer(target, region.base, region.length));
}
static inline isc_result_t
towire_doa(ARGS_TOWIRE) {
isc_region_t region;
UNUSED(cctx);
REQUIRE(rdata != NULL);
REQUIRE(rdata->type == dns_rdatatype_doa);
REQUIRE(rdata->length != 0);
dns_rdata_toregion(rdata, ®ion);
return (mem_tobuffer(target, region.base, region.length));
}
static inline isc_result_t
fromstruct_doa(ARGS_FROMSTRUCT) {
dns_rdata_doa_t *doa = source;
REQUIRE(type == dns_rdatatype_doa);
REQUIRE(source != NULL);
REQUIRE(doa->common.rdtype == dns_rdatatype_doa);
REQUIRE(doa->common.rdclass == rdclass);
RETERR(uint32_tobuffer(doa->enterprise, target));
RETERR(uint32_tobuffer(doa->type, target));
RETERR(uint8_tobuffer(doa->location, target));
RETERR(uint8_tobuffer(doa->mediatype_len, target));
RETERR(mem_tobuffer(target, doa->mediatype, doa->mediatype_len));
return (mem_tobuffer(target, doa->data, doa->data_len));
}
static inline isc_result_t
tostruct_doa(ARGS_TOSTRUCT) {
dns_rdata_doa_t *doa = target;
isc_region_t region;
REQUIRE(rdata != NULL);
REQUIRE(rdata->type == dns_rdatatype_doa);
REQUIRE(rdata->length != 0);
doa->common.rdclass = rdata->rdclass;
doa->common.rdtype = rdata->type;
ISC_LINK_INIT(&doa->common, link);
dns_rdata_toregion(rdata, ®ion);
/*
* DOA-ENTERPRISE
*/
if (region.length < 4) {
return (ISC_R_UNEXPECTEDEND);
}
doa->enterprise = uint32_fromregion(®ion);
isc_region_consume(®ion, 4);
/*
* DOA-TYPE
*/
if (region.length < 4) {
return (ISC_R_UNEXPECTEDEND);
}
doa->type = uint32_fromregion(®ion);
isc_region_consume(®ion, 4);
/*
* DOA-LOCATION
*/
if (region.length < 1) {
return (ISC_R_UNEXPECTEDEND);
}
doa->location = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
/*
* DOA-MEDIA-TYPE
*/
if (region.length < 1) {
return (ISC_R_UNEXPECTEDEND);
}
doa->mediatype_len = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
INSIST(doa->mediatype_len <= region.length);
doa->mediatype = mem_maybedup(region.base, doa->mediatype_len);
if (doa->mediatype == NULL) {
goto cleanup;
}
isc_region_consume(®ion, doa->mediatype_len);
/*
* DOA-DATA
*/
doa->data_len = region.length;
doa->data = NULL;
if (doa->data_len > 0) {
doa->data = mem_maybedup(region.base, doa->data_len);
if (doa->data == NULL) {
goto cleanup;
}
isc_region_consume(®ion, doa->data_len);
}
return (ISC_R_SUCCESS);
cleanup:
free(doa->mediatype);
return (ISC_R_NOMEMORY);
}
#endif /* RDATA_GENERIC_DOA_259_C */
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