C++ (Cpp) uint8_fromregion Examples

Example #1

File: ds_43.c Project: NZRS/bind9-collab

static inline isc_result_t
generic_tostruct_ds(ARGS_TOSTRUCT) {
	dns_rdata_ds_t *ds = target;
	isc_region_t region;

	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);
	REQUIRE(ds->common.rdtype == rdata->type);
	REQUIRE(ds->common.rdclass == rdata->rdclass);
	REQUIRE(!ISC_LINK_LINKED(&ds->common, link));

	dns_rdata_toregion(rdata, &region);

	ds->key_tag = uint16_fromregion(&region);
	isc_region_consume(&region, 2);
	ds->algorithm = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	ds->digest_type = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	ds->length = region.length;

	ds->digest = mem_maybedup(mctx, region.base, region.length);
	if (ds->digest == NULL)
		return (ISC_R_NOMEMORY);

	ds->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #2

File: tlsa_52.c Project: JeanCaron/bind9

static inline isc_result_t
tostruct_tlsa(ARGS_TOSTRUCT) {
	dns_rdata_tlsa_t *tlsa = target;
	isc_region_t region;

	REQUIRE(rdata->type == 52);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	tlsa->common.rdclass = rdata->rdclass;
	tlsa->common.rdtype = rdata->type;
	ISC_LINK_INIT(&tlsa->common, link);

	dns_rdata_toregion(rdata, &region);

	tlsa->usage = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	tlsa->selector = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	tlsa->match = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	tlsa->length = region.length;

	tlsa->data = mem_maybedup(mctx, region.base, region.length);
	if (tlsa->data == NULL)
		return (ISC_R_NOMEMORY);

	tlsa->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #3

File: keydata_65533.c Project: pexip/os-bind9

static inline isc_result_t
tostruct_keydata(ARGS_TOSTRUCT) {
	dns_rdata_keydata_t *keydata = target;
	isc_region_t sr;

	REQUIRE(rdata->type == 65533);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	keydata->common.rdclass = rdata->rdclass;
	keydata->common.rdtype = rdata->type;
	ISC_LINK_INIT(&keydata->common, link);

	dns_rdata_toregion(rdata, &sr);

	/* Refresh timer */
	if (sr.length < 4)
		return (ISC_R_UNEXPECTEDEND);
	keydata->refresh = uint32_fromregion(&sr);
	isc_region_consume(&sr, 4);

	/* Add hold-down */
	if (sr.length < 4)
		return (ISC_R_UNEXPECTEDEND);
	keydata->addhd = uint32_fromregion(&sr);
	isc_region_consume(&sr, 4);

	/* Remove hold-down */
	if (sr.length < 4)
		return (ISC_R_UNEXPECTEDEND);
	keydata->removehd = uint32_fromregion(&sr);
	isc_region_consume(&sr, 4);

	/* Flags */
	if (sr.length < 2)
		return (ISC_R_UNEXPECTEDEND);
	keydata->flags = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);

	/* Protocol */
	if (sr.length < 1)
		return (ISC_R_UNEXPECTEDEND);
	keydata->protocol = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/* Algorithm */
	if (sr.length < 1)
		return (ISC_R_UNEXPECTEDEND);
	keydata->algorithm = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/* Data */
	keydata->datalen = sr.length;
	keydata->data = mem_maybedup(mctx, sr.base, keydata->datalen);
	if (keydata->data == NULL)
		return (ISC_R_NOMEMORY);

	keydata->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #4

File: hinfo_13.c Project: SvenDowideit/clearlinux

static inline isc_result_t
tostruct_hinfo(ARGS_TOSTRUCT) {
	dns_rdata_hinfo_t *hinfo = target;
	isc_region_t region;

	REQUIRE(rdata->type == 13);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	hinfo->common.rdclass = rdata->rdclass;
	hinfo->common.rdtype = rdata->type;
	ISC_LINK_INIT(&hinfo->common, link);

	dns_rdata_toregion(rdata, &region);
	hinfo->cpu_len = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	hinfo->cpu = mem_maybedup(mctx, region.base, hinfo->cpu_len);
	if (hinfo->cpu == NULL)
		return (ISC_R_NOMEMORY);
	isc_region_consume(&region, hinfo->cpu_len);

	hinfo->os_len = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	hinfo->os = mem_maybedup(mctx, region.base, hinfo->os_len);
	if (hinfo->os == NULL)
		goto cleanup;

	hinfo->mctx = mctx;
	return (ISC_R_SUCCESS);

 cleanup:
	if (mctx != NULL && hinfo->cpu != NULL)
		isc_mem_free(mctx, hinfo->cpu);
	return (ISC_R_NOMEMORY);
}

Example #5

File: sshfp_44.c Project: JasonCC/Openswan

static inline isc_result_t
tostruct_sshfp(ARGS_TOSTRUCT) {
	dns_rdata_sshfp_t *sshfp = target;
	isc_region_t region;

	REQUIRE(rdata->type == 44);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	sshfp->common.rdclass = rdata->rdclass;
	sshfp->common.rdtype = rdata->type;
	ISC_LINK_INIT(&sshfp->common, link);

	dns_rdata_toregion(rdata, &region);

	sshfp->algorithm = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	sshfp->digest_type = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	sshfp->length = region.length;

	sshfp->digest = mem_maybedup(mctx, region.base, region.length);
	if (sshfp->digest == NULL)
		return (ISC_R_NOMEMORY);

	sshfp->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #6

File: hip_55.c Project: chris-wood/bind-prime

static inline isc_result_t
tostruct_hip(ARGS_TOSTRUCT) {
	isc_region_t region;
	dns_rdata_hip_t *hip = target;

	REQUIRE(rdata->type == dns_rdatatype_hip);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	hip->common.rdclass = rdata->rdclass;
	hip->common.rdtype = rdata->type;
	ISC_LINK_INIT(&hip->common, link);

	dns_rdata_toregion(rdata, &region);

	hip->hit_len = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	hip->algorithm = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	hip->key_len = uint16_fromregion(&region);
	isc_region_consume(&region, 2);

	hip->hit = hip->key = hip->servers = NULL;

	hip->hit = mem_maybedup(mctx, region.base, hip->hit_len);
	if (hip->hit == NULL)
		goto cleanup;
	isc_region_consume(&region, hip->hit_len);

	INSIST(hip->key_len <= region.length);

	hip->key = mem_maybedup(mctx, region.base, hip->key_len);
	if (hip->key == NULL)
		goto cleanup;
	isc_region_consume(&region, hip->key_len);

	hip->servers_len = region.length;
	if (hip->servers_len != 0) {
		hip->servers = mem_maybedup(mctx, region.base, region.length);
		if (hip->servers == NULL)
			goto cleanup;
	}

	hip->offset = hip->servers_len;
	hip->mctx = mctx;
	return (ISC_R_SUCCESS);

 cleanup:
	if (hip->hit != NULL)
		isc_mem_free(mctx, hip->hit);
	if (hip->key != NULL)
		isc_mem_free(mctx, hip->key);
	if (hip->servers != NULL)
		isc_mem_free(mctx, hip->servers);
	return (ISC_R_NOMEMORY);

}

Example #7

File: ds_43.c Project: Stichting-MINIX-Research-Foundation/minix

static inline isc_result_t
totext_ds(ARGS_TOTEXT) {
	isc_region_t sr;
	char buf[sizeof("64000 ")];
	unsigned int n;

	REQUIRE(rdata->type == 43);
	REQUIRE(rdata->length != 0);

	UNUSED(tctx);

	dns_rdata_toregion(rdata, &sr);

	/*
	 * Key tag.
	 */
	n = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);
	sprintf(buf, "%u ", n);
	RETERR(str_totext(buf, target));

	/*
	 * Algorithm.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u ", n);
	RETERR(str_totext(buf, target));

	/*
	 * Digest type.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u", n);
	RETERR(str_totext(buf, target));

	/*
	 * Digest.
	 */
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" (", target));
	RETERR(str_totext(tctx->linebreak, target));
	if ((tctx->flags & DNS_STYLEFLAG_NOCRYPTO) == 0) {
		if (tctx->width == 0) /* No splitting */
			RETERR(isc_hex_totext(&sr, 0, "", target));
		else
			RETERR(isc_hex_totext(&sr, tctx->width - 2,
					      tctx->linebreak, target));
	} else
		RETERR(str_totext("[omitted]", target));
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" )", target));
	return (ISC_R_SUCCESS);
}

Example #8

File: caa_257.c Project: krichter722/bind9

static inline isc_result_t
tostruct_caa(ARGS_TOSTRUCT) {
	dns_rdata_caa_t *caa = target;
	isc_region_t sr;

	REQUIRE(rdata->type == 257);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length >= 3U);
	REQUIRE(rdata->data != NULL);

	caa->common.rdclass = rdata->rdclass;
	caa->common.rdtype = rdata->type;
	ISC_LINK_INIT(&caa->common, link);

	dns_rdata_toregion(rdata, &sr);

	/*
	 * Flags
	 */
	if (sr.length < 1)
		return (ISC_R_UNEXPECTEDEND);
	caa->flags = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/*
	 * Tag length
	 */
	if (sr.length < 1)
		return (ISC_R_UNEXPECTEDEND);
	caa->tag_len = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/*
	 * Tag
	 */
	if (sr.length < caa->tag_len)
		return (ISC_R_UNEXPECTEDEND);
	caa->tag = mem_maybedup(mctx, sr.base, caa->tag_len);
	if (caa->tag == NULL)
		return (ISC_R_NOMEMORY);
	isc_region_consume(&sr, caa->tag_len);

	/*
	 * Value
	 */
	caa->value_len = sr.length;
	caa->value = mem_maybedup(mctx, sr.base, sr.length);
	if (caa->value == NULL)
		return (ISC_R_NOMEMORY);

	caa->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #9

File: gpos_27.c Project: 274914765/C

static inline isc_result_t tostruct_gpos (ARGS_TOSTRUCT)
{
    dns_rdata_gpos_t *gpos = target;

    isc_region_t region;

    REQUIRE (rdata->type == 27);
    REQUIRE (target != NULL);
    REQUIRE (rdata->length != 0);

    gpos->common.rdclass = rdata->rdclass;
    gpos->common.rdtype = rdata->type;
    ISC_LINK_INIT (&gpos->common, link);

    dns_rdata_toregion (rdata, &region);
    gpos->long_len = uint8_fromregion (&region);
    isc_region_consume (&region, 1);
    gpos->longitude = mem_maybedup (mctx, region.base, gpos->long_len);
    if (gpos->longitude == NULL)
        return (ISC_R_NOMEMORY);
    isc_region_consume (&region, gpos->long_len);

    gpos->lat_len = uint8_fromregion (&region);
    isc_region_consume (&region, 1);
    gpos->latitude = mem_maybedup (mctx, region.base, gpos->lat_len);
    if (gpos->latitude == NULL)
        goto cleanup_longitude;
    isc_region_consume (&region, gpos->lat_len);

    gpos->alt_len = uint8_fromregion (&region);
    isc_region_consume (&region, 1);
    if (gpos->lat_len > 0)
    {
        gpos->altitude = mem_maybedup (mctx, region.base, gpos->alt_len);
        if (gpos->altitude == NULL)
            goto cleanup_latitude;
    }
    else
        gpos->altitude = NULL;

    gpos->mctx = mctx;
    return (ISC_R_SUCCESS);

  cleanup_latitude:
    if (mctx != NULL && gpos->longitude != NULL)
        isc_mem_free (mctx, gpos->longitude);

  cleanup_longitude:
    if (mctx != NULL && gpos->latitude != NULL)
        isc_mem_free (mctx, gpos->latitude);
    return (ISC_R_NOMEMORY);
}

Example #10

File: tlsa_52.c Project: JeanCaron/bind9

static inline isc_result_t
totext_tlsa(ARGS_TOTEXT) {
	isc_region_t sr;
	char buf[sizeof("64000 ")];
	unsigned int n;

	REQUIRE(rdata->type == 52);
	REQUIRE(rdata->length != 0);

	UNUSED(tctx);

	dns_rdata_toregion(rdata, &sr);

	/*
	 * Certificate Usage.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u ", n);
	RETERR(str_totext(buf, target));

	/*
	 * Selector.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u ", n);
	RETERR(str_totext(buf, target));

	/*
	 * Matching type.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u", n);
	RETERR(str_totext(buf, target));

	/*
	 * Certificate Association Data.
	 */
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" (", target));
	RETERR(str_totext(tctx->linebreak, target));
	if (tctx->width == 0) /* No splitting */
		RETERR(isc_hex_totext(&sr, 0, "", target));
	else
		RETERR(isc_hex_totext(&sr, tctx->width - 2,
				      tctx->linebreak, target));
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" )", target));
	return (ISC_R_SUCCESS);
}

Example #11

File: nsec3param_51.c Project: crossbuild/bind

static inline isc_result_t
totext_nsec3param(ARGS_TOTEXT) {
	isc_region_t sr;
	unsigned int i, j;
	unsigned char hash;
	unsigned char flags;
	char buf[sizeof("65535 ")];
	isc_uint32_t iterations;

	REQUIRE(rdata->type == dns_rdatatype_nsec3param);
	REQUIRE(rdata->length != 0);

	UNUSED(tctx);

	dns_rdata_toregion(rdata, &sr);

	hash = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	flags = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	iterations = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);

	sprintf(buf, "%u ", hash);
	RETERR(str_totext(buf, target));

	sprintf(buf, "%u ", flags);
	RETERR(str_totext(buf, target));

	sprintf(buf, "%u ", iterations);
	RETERR(str_totext(buf, target));

	j = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	INSIST(j <= sr.length);

	if (j != 0) {
		i = sr.length;
		sr.length = j;
		RETERR(isc_hex_totext(&sr, 1, "", target));
		sr.length = i - j;
	} else
		RETERR(str_totext("-", target));

	return (ISC_R_SUCCESS);
}

Example #12

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));
}

Example #13

File: cert_37.c Project: VargMon/netbsd-cvs-mirror

static inline isc_result_t
tostruct_cert(ARGS_TOSTRUCT) {
	dns_rdata_cert_t *cert = target;
	isc_region_t region;

	REQUIRE(rdata->type == 37);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	cert->common.rdclass = rdata->rdclass;
	cert->common.rdtype = rdata->type;
	ISC_LINK_INIT(&cert->common, link);

	dns_rdata_toregion(rdata, &region);

	cert->type = uint16_fromregion(&region);
	isc_region_consume(&region, 2);
	cert->key_tag = uint16_fromregion(&region);
	isc_region_consume(&region, 2);
	cert->algorithm = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	cert->length = region.length;

	cert->certificate = mem_maybedup(mctx, region.base, region.length);
	if (cert->certificate == NULL)
		return (ISC_R_NOMEMORY);

	cert->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #14

File: hip_55.c Project: KaiToTo/freebsd

static inline int
casecompare_hip(ARGS_COMPARE) {
	isc_region_t r1;
	isc_region_t r2;
	dns_name_t name1;
	dns_name_t name2;
	int order;
	isc_uint8_t hit_len;
	isc_uint16_t key_len;

	REQUIRE(rdata1->type == rdata2->type);
	REQUIRE(rdata1->rdclass == rdata2->rdclass);
	REQUIRE(rdata1->type == 55);
	REQUIRE(rdata1->length != 0);
	REQUIRE(rdata2->length != 0);

	dns_rdata_toregion(rdata1, &r1);
	dns_rdata_toregion(rdata2, &r2);

	INSIST(r1.length > 4);
	INSIST(r2.length > 4);
	r1.length = 4;
	r2.length = 4;
	order = isc_region_compare(&r1, &r2);
	if (order != 0)
		return (order);

	hit_len = uint8_fromregion(&r1);
	isc_region_consume(&r1, 2);         /* hit length + algorithm */
	key_len = uint16_fromregion(&r1);

	dns_rdata_toregion(rdata1, &r1);
	dns_rdata_toregion(rdata2, &r2);
	isc_region_consume(&r1, 4);
	isc_region_consume(&r2, 4);
	INSIST(r1.length >= (unsigned) (hit_len + key_len));
	INSIST(r2.length >= (unsigned) (hit_len + key_len));
	order = isc_region_compare(&r1, &r2);
	if (order != 0)
		return (order);
	isc_region_consume(&r1, hit_len + key_len);
	isc_region_consume(&r2, hit_len + key_len);

	dns_name_init(&name1, NULL);
	dns_name_init(&name2, NULL);
	while (r1.length != 0 && r2.length != 0) {
		dns_name_fromregion(&name1, &r1);
		dns_name_fromregion(&name2, &r2);
		order = dns_name_rdatacompare(&name1, &name2);
		if (order != 0)
			return (order);

		isc_region_consume(&r1, name_length(&name1));
		isc_region_consume(&r2, name_length(&name2));
	}
	return (isc_region_compare(&r1, &r2));
}

Example #15

File: isdn_20.c Project: ajinkya93/netbsd-src

static inline isc_result_t
tostruct_isdn(ARGS_TOSTRUCT) {
	dns_rdata_isdn_t *isdn = target;
	isc_region_t r;

	REQUIRE(rdata->type == dns_rdatatype_isdn);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	isdn->common.rdclass = rdata->rdclass;
	isdn->common.rdtype = rdata->type;
	ISC_LINK_INIT(&isdn->common, link);

	dns_rdata_toregion(rdata, &r);

	isdn->isdn_len = uint8_fromregion(&r);
	isc_region_consume(&r, 1);
	isdn->isdn = mem_maybedup(mctx, r.base, isdn->isdn_len);
	if (isdn->isdn == NULL)
		return (ISC_R_NOMEMORY);
	isc_region_consume(&r, isdn->isdn_len);

	if (r.length == 0) {
		isdn->subaddress_len = 0;
		isdn->subaddress = NULL;
	} else {
		isdn->subaddress_len = uint8_fromregion(&r);
		isc_region_consume(&r, 1);
		isdn->subaddress = mem_maybedup(mctx, r.base,
						isdn->subaddress_len);
		if (isdn->subaddress == NULL)
			goto cleanup;
	}

	isdn->mctx = mctx;
	return (ISC_R_SUCCESS);

 cleanup:
	if (mctx != NULL && isdn->isdn != NULL)
		isc_mem_free(mctx, isdn->isdn);
	return (ISC_R_NOMEMORY);
}

Example #16

File: dnskey_48.c Project: w796933/bind99damp

static inline isc_result_t
tostruct_dnskey(ARGS_TOSTRUCT) {
	dns_rdata_dnskey_t *dnskey = target;
	isc_region_t sr;

	REQUIRE(rdata->type == 48);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	dnskey->common.rdclass = rdata->rdclass;
	dnskey->common.rdtype = rdata->type;
	ISC_LINK_INIT(&dnskey->common, link);

	dns_rdata_toregion(rdata, &sr);

	/* Flags */
	if (sr.length < 2)
		return (ISC_R_UNEXPECTEDEND);
	dnskey->flags = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);

	/* Protocol */
	if (sr.length < 1)
		return (ISC_R_UNEXPECTEDEND);
	dnskey->protocol = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/* Algorithm */
	if (sr.length < 1)
		return (ISC_R_UNEXPECTEDEND);
	dnskey->algorithm = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/* Data */
	dnskey->datalen = sr.length;
	dnskey->data = mem_maybedup(mctx, sr.base, dnskey->datalen);
	if (dnskey->data == NULL)
		return (ISC_R_NOMEMORY);

	dnskey->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #17

File: sshfp_44.c Project: JasonCC/Openswan

static inline isc_result_t
totext_sshfp(ARGS_TOTEXT) {
	isc_region_t sr;
	char buf[sizeof("64000 ")];
	unsigned int n;

	REQUIRE(rdata->type == 44);
	REQUIRE(rdata->length != 0);

	UNUSED(tctx);

	dns_rdata_toregion(rdata, &sr);

	/*
	 * Algorithm.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u ", n);
	RETERR(str_totext(buf, target));

	/*
	 * Digest type.
	 */
	n = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u", n);
	RETERR(str_totext(buf, target));

	/*
	 * Digest.
	 */
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" (", target));
	RETERR(str_totext(tctx->linebreak, target));
	RETERR(isc_hex_totext(&sr, tctx->width - 2, tctx->linebreak, target));
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" )", target));
	return (ISC_R_SUCCESS);
}

Example #18

File: txt_16.c Project: fatman2021/netbsd-src

static isc_result_t
generic_txt_next(dns_rdata_txt_t *txt) {
	isc_region_t r;
	isc_uint8_t length;

	REQUIRE(txt != NULL);
	REQUIRE(txt->txt != NULL && txt->txt_len != 0);

	INSIST(txt->offset + 1 <= txt->txt_len);
	r.base = txt->txt + txt->offset;
	r.length = txt->txt_len - txt->offset;
	length = uint8_fromregion(&r);
	INSIST(txt->offset + 1 + length <= txt->txt_len);
	txt->offset = txt->offset + 1 + length;
	if (txt->offset == txt->txt_len)
		return (ISC_R_NOMORE);
	return (ISC_R_SUCCESS);
}

Example #19

File: uri_256.c Project: Distrotech/bind

static inline isc_result_t
fromstruct_uri(ARGS_FROMSTRUCT) {
	dns_rdata_uri_t *uri = source;
	isc_region_t region;
	isc_uint8_t len;

	REQUIRE(type == 256);
	REQUIRE(source != NULL);
	REQUIRE(uri->common.rdtype == type);
	REQUIRE(uri->common.rdclass == rdclass);
	REQUIRE(uri->target != NULL && uri->tgt_len != 0);

	UNUSED(type);
	UNUSED(rdclass);

	/*
	 * Priority
	 */
	RETERR(uint16_tobuffer(uri->priority, target));

	/*
	 * Weight
	 */
	RETERR(uint16_tobuffer(uri->weight, target));

	/*
	 * Target URI
	 */
	len = 255U;
	region.base = uri->target;
	region.length = uri->tgt_len;
	while (region.length > 0) {
		REQUIRE(len == 255U);
		len = uint8_fromregion(&region);
		isc_region_consume(&region, 1);
		if (region.length < len)
			return (ISC_R_UNEXPECTEDEND);
		isc_region_consume(&region, len);
	}

	return (mem_tobuffer(target, uri->target, uri->tgt_len));
}

Example #20

File: txt_16.c Project: fatman2021/netbsd-src

static isc_result_t
generic_txt_current(dns_rdata_txt_t *txt, dns_rdata_txt_string_t *string) {
	isc_region_t r;

	REQUIRE(txt != NULL);
	REQUIRE(string != NULL);
	REQUIRE(txt->txt != NULL);
	REQUIRE(txt->offset < txt->txt_len);

	INSIST(txt->offset + 1 <= txt->txt_len);
	r.base = txt->txt + txt->offset;
	r.length = txt->txt_len - txt->offset;

	string->length = uint8_fromregion(&r);
	isc_region_consume(&r, 1);
	string->data = r.base;
	INSIST(txt->offset + 1 + string->length <= txt->txt_len);

	return (ISC_R_SUCCESS);
}

Example #21

File: hip_55.c Project: chris-wood/bind-prime

static inline isc_result_t
fromwire_hip(ARGS_FROMWIRE) {
	isc_region_t region, rr;
	dns_name_t name;
	isc_uint8_t hit_len;
	isc_uint16_t key_len;

	REQUIRE(type == dns_rdatatype_hip);

	UNUSED(type);
	UNUSED(rdclass);

	isc_buffer_activeregion(source, &region);
	if (region.length < 4U)
		RETERR(DNS_R_FORMERR);

	rr = region;
	hit_len = uint8_fromregion(&region);
	if (hit_len == 0)
		RETERR(DNS_R_FORMERR);
	isc_region_consume(&region, 2);  	/* hit length + algorithm */
	key_len = uint16_fromregion(&region);
	if (key_len == 0)
		RETERR(DNS_R_FORMERR);
	isc_region_consume(&region, 2);
	if (region.length < (unsigned) (hit_len + key_len))
		RETERR(DNS_R_FORMERR);

	RETERR(mem_tobuffer(target, rr.base, 4 + hit_len + key_len));
	isc_buffer_forward(source, 4 + hit_len + key_len);

	dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
	while (isc_buffer_activelength(source) > 0) {
		dns_name_init(&name, NULL);
		RETERR(dns_name_fromwire(&name, source, dctx, options, target));
	}
	return (ISC_R_SUCCESS);
}

Example #22

File: x25_19.c Project: ryo/netbsd-src

static inline isc_result_t
tostruct_x25(ARGS_TOSTRUCT) {
    dns_rdata_x25_t *x25 = target;
    isc_region_t r;

    REQUIRE(rdata->type == dns_rdatatype_x25);
    REQUIRE(target != NULL);
    REQUIRE(rdata->length != 0);

    x25->common.rdclass = rdata->rdclass;
    x25->common.rdtype = rdata->type;
    ISC_LINK_INIT(&x25->common, link);

    dns_rdata_toregion(rdata, &r);
    x25->x25_len = uint8_fromregion(&r);
    isc_region_consume(&r, 1);
    x25->x25 = mem_maybedup(mctx, r.base, x25->x25_len);
    if (x25->x25 == NULL)
        return (ISC_R_NOMEMORY);

    x25->mctx = mctx;
    return (ISC_R_SUCCESS);
}

Example #23

File: ipseckey_45.c Project: enukane/netbsd-src

static inline isc_result_t
totext_ipseckey(ARGS_TOTEXT) {
	isc_region_t region;
	dns_name_t name;
	char buf[sizeof("255 ")];
	unsigned short num;
	unsigned short gateway;

	REQUIRE(rdata->type == 45);
	REQUIRE(rdata->length >= 3);

	dns_name_init(&name, NULL);

	if (rdata->data[1] > 3U)
		return (ISC_R_NOTIMPLEMENTED);

	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext("( ", target));

	/*
	 * Precedence.
	 */
	dns_rdata_toregion(rdata, &region);
	num = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	sprintf(buf, "%u ", num);
	RETERR(str_totext(buf, target));

	/*
	 * Gateway type.
	 */
	gateway = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	sprintf(buf, "%u ", gateway);
	RETERR(str_totext(buf, target));

	/*
	 * Algorithm.
	 */
	num = uint8_fromregion(&region);
	isc_region_consume(&region, 1);
	sprintf(buf, "%u ", num);
	RETERR(str_totext(buf, target));

	/*
	 * Gateway.
	 */
	switch (gateway) {
	case 0:
		RETERR(str_totext(".", target));
		break;

	case 1:
		RETERR(inet_totext(AF_INET, &region, target));
		isc_region_consume(&region, 4);
		break;

	case 2:
		RETERR(inet_totext(AF_INET6, &region, target));
		isc_region_consume(&region, 16);
		break;

	case 3:
		dns_name_fromregion(&name, &region);
		RETERR(dns_name_totext(&name, ISC_FALSE, target));
		isc_region_consume(&region, name_length(&name));
		break;
	}

	/*
	 * Key.
	 */
	if (region.length > 0U) {
		RETERR(str_totext(tctx->linebreak, target));
		if (tctx->width == 0)   /* No splitting */
			RETERR(isc_base64_totext(&region, 60, "", target));
		else
			RETERR(isc_base64_totext(&region, tctx->width - 2,
						 tctx->linebreak, target));
	}

	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" )", target));
	return (ISC_R_SUCCESS);
}

Example #24

File: opt_41.c Project: fatman2021/netbsd-src

static inline isc_result_t
fromwire_opt(ARGS_FROMWIRE) {
	isc_region_t sregion;
	isc_region_t tregion;
	isc_uint16_t opt;
	isc_uint16_t length;
	unsigned int total;

	REQUIRE(type == dns_rdatatype_opt);

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(dctx);
	UNUSED(options);

	isc_buffer_activeregion(source, &sregion);
	total = 0;
	while (sregion.length != 0) {
		if (sregion.length < 4)
			return (ISC_R_UNEXPECTEDEND);
		opt = uint16_fromregion(&sregion);
		isc_region_consume(&sregion, 2);
		length = uint16_fromregion(&sregion);
		isc_region_consume(&sregion, 2);
		total += 4;
		if (sregion.length < length)
			return (ISC_R_UNEXPECTEDEND);
		switch (opt) {
		case DNS_OPT_CLIENT_SUBNET: {
			isc_uint16_t family;
			isc_uint8_t addrlen;
			isc_uint8_t scope;
			isc_uint8_t addrbytes;

			if (length < 4)
				return (DNS_R_OPTERR);
			family = uint16_fromregion(&sregion);
			isc_region_consume(&sregion, 2);
			addrlen = uint8_fromregion(&sregion);
			isc_region_consume(&sregion, 1);
			scope = uint8_fromregion(&sregion);
			isc_region_consume(&sregion, 1);

			if (addrlen == 0U && family != 0U)
				return (DNS_R_OPTERR);

			switch (family) {
			case 0:
				/*
				 * XXXMUKS: In queries and replies, if
				 * FAMILY is set to 0, SOURCE
				 * PREFIX-LENGTH and SCOPE PREFIX-LENGTH
				 * must be 0 and ADDRESS should not be
				 * present as the address and prefix
				 * lengths don't make sense because the
				 * family is unknown.
				 */
				if (addrlen != 0U || scope != 0U)
					return (DNS_R_OPTERR);
				break;
			case 1:
				if (addrlen > 32U || scope > 32U)
					return (DNS_R_OPTERR);
				break;
			case 2:
				if (addrlen > 128U || scope > 128U)
					return (DNS_R_OPTERR);
				break;
			default:
				return (DNS_R_OPTERR);
			}
			addrbytes = (addrlen + 7) / 8;
			if (addrbytes + 4 != length)
				return (DNS_R_OPTERR);

			if (addrbytes != 0U && (addrlen % 8) != 0) {
				isc_uint8_t bits = ~0 << (8 - (addrlen % 8));
				bits &= sregion.base[addrbytes - 1];
				if (bits != sregion.base[addrbytes - 1])
					return (DNS_R_OPTERR);
			}
			isc_region_consume(&sregion, addrbytes);
			break;
		}
		case DNS_OPT_EXPIRE:
			/*
			 * Request has zero length.  Response is 32 bits.
			 */
			if (length != 0 && length != 4)
				return (DNS_R_OPTERR);
			isc_region_consume(&sregion, length);
			break;
		case DNS_OPT_COOKIE:
			if (length != 8 && (length < 16 || length > 40))
				return (DNS_R_OPTERR);
			isc_region_consume(&sregion, length);
			break;
		default:
			isc_region_consume(&sregion, length);
			break;
		}
		total += length;
	}

	isc_buffer_activeregion(source, &sregion);
	isc_buffer_availableregion(target, &tregion);
	if (tregion.length < total)
		return (ISC_R_NOSPACE);
	memmove(tregion.base, sregion.base, total);
	isc_buffer_forward(source, total);
	isc_buffer_add(target, total);

	return (ISC_R_SUCCESS);
}

Example #25

File: ipseckey_45.c Project: enukane/netbsd-src

static inline isc_result_t
tostruct_ipseckey(ARGS_TOSTRUCT) {
	isc_region_t region;
	dns_rdata_ipseckey_t *ipseckey = target;
	dns_name_t name;
	isc_uint32_t n;

	REQUIRE(rdata->type == 45);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length >= 3);

	if (rdata->data[1] > 3U)
		return (ISC_R_NOTIMPLEMENTED);

	ipseckey->common.rdclass = rdata->rdclass;
	ipseckey->common.rdtype = rdata->type;
	ISC_LINK_INIT(&ipseckey->common, link);

	dns_name_init(&name, NULL);
	dns_rdata_toregion(rdata, &region);

	ipseckey->precedence = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	ipseckey->gateway_type = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	ipseckey->algorithm = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	switch (ipseckey->gateway_type) {
	case 0:
		break;

	case 1:
		n = uint32_fromregion(&region);
		ipseckey->in_addr.s_addr = htonl(n);
		isc_region_consume(&region, 4);
		break;

	case 2:
		memmove(ipseckey->in6_addr.s6_addr, region.base, 16);
		isc_region_consume(&region, 16);
		break;

	case 3:
		dns_name_init(&ipseckey->gateway, NULL);
		dns_name_fromregion(&name, &region);
		RETERR(name_duporclone(&name, mctx, &ipseckey->gateway));
		isc_region_consume(&region, name_length(&name));
		break;
	}

	ipseckey->keylength = region.length;
	if (ipseckey->keylength != 0U) {
		ipseckey->key = mem_maybedup(mctx, region.base,
					     ipseckey->keylength);
		if (ipseckey->key == NULL) {
			if (ipseckey->gateway_type == 3)
				dns_name_free(&ipseckey->gateway,
					      ipseckey->mctx);
			return (ISC_R_NOMEMORY);
		}
	} else
		ipseckey->key = NULL;

	ipseckey->mctx = mctx;
	return (ISC_R_SUCCESS);
}

Example #26

File: nsec3_50.c Project: NZRS/bind9-collab

static inline isc_result_t
totext_nsec3(ARGS_TOTEXT) {
	isc_region_t sr;
	unsigned int i, j;
	unsigned char hash;
	unsigned char flags;
	char buf[sizeof("TYPE65535")];
	isc_uint32_t iterations;

	REQUIRE(rdata->type == dns_rdatatype_nsec3);
	REQUIRE(rdata->length != 0);

	dns_rdata_toregion(rdata, &sr);

	/* Hash */
	hash = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u ", hash);
	RETERR(str_totext(buf, target));

	/* Flags */
	flags = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	sprintf(buf, "%u ", flags);
	RETERR(str_totext(buf, target));

	/* Iterations */
	iterations = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);
	sprintf(buf, "%u ", iterations);
	RETERR(str_totext(buf, target));

	/* Salt */
	j = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	INSIST(j <= sr.length);

	if (j != 0) {
		i = sr.length;
		sr.length = j;
		RETERR(isc_hex_totext(&sr, 1, "", target));
		sr.length = i - j;
	} else
		RETERR(str_totext("-", target));

	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" (", target));
	RETERR(str_totext(tctx->linebreak, target));

	/* Next hash */
	j = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);
	INSIST(j <= sr.length);

	i = sr.length;
	sr.length = j;
	RETERR(isc_base32hexnp_totext(&sr, 1, "", target));
	sr.length = i - j;

	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) == 0)
		RETERR(str_totext(" ", target));

	RETERR(typemap_totext(&sr, tctx, target));

	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" )", target));

	return (ISC_R_SUCCESS);
}

Example #27

File: naptr_35.c Project: ajinkya93/netbsd-src

static inline isc_result_t
tostruct_naptr(ARGS_TOSTRUCT) {
	dns_rdata_naptr_t *naptr = target;
	isc_region_t r;
	isc_result_t result;
	dns_name_t name;

	REQUIRE(rdata->type == dns_rdatatype_naptr);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	naptr->common.rdclass = rdata->rdclass;
	naptr->common.rdtype = rdata->type;
	ISC_LINK_INIT(&naptr->common, link);

	naptr->flags = NULL;
	naptr->service = NULL;
	naptr->regexp = NULL;

	dns_rdata_toregion(rdata, &r);

	naptr->order = uint16_fromregion(&r);
	isc_region_consume(&r, 2);

	naptr->preference = uint16_fromregion(&r);
	isc_region_consume(&r, 2);

	naptr->flags_len = uint8_fromregion(&r);
	isc_region_consume(&r, 1);
	INSIST(naptr->flags_len <= r.length);
	naptr->flags = mem_maybedup(mctx, r.base, naptr->flags_len);
	if (naptr->flags == NULL)
		goto cleanup;
	isc_region_consume(&r, naptr->flags_len);

	naptr->service_len = uint8_fromregion(&r);
	isc_region_consume(&r, 1);
	INSIST(naptr->service_len <= r.length);
	naptr->service = mem_maybedup(mctx, r.base, naptr->service_len);
	if (naptr->service == NULL)
		goto cleanup;
	isc_region_consume(&r, naptr->service_len);

	naptr->regexp_len = uint8_fromregion(&r);
	isc_region_consume(&r, 1);
	INSIST(naptr->regexp_len <= r.length);
	naptr->regexp = mem_maybedup(mctx, r.base, naptr->regexp_len);
	if (naptr->regexp == NULL)
		goto cleanup;
	isc_region_consume(&r, naptr->regexp_len);

	dns_name_init(&name, NULL);
	dns_name_fromregion(&name, &r);
	dns_name_init(&naptr->replacement, NULL);
	result = name_duporclone(&name, mctx, &naptr->replacement);
	if (result != ISC_R_SUCCESS)
		goto cleanup;
	naptr->mctx = mctx;
	return (ISC_R_SUCCESS);

 cleanup:
	if (mctx != NULL && naptr->flags != NULL)
		isc_mem_free(mctx, naptr->flags);
	if (mctx != NULL && naptr->service != NULL)
		isc_mem_free(mctx, naptr->service);
	if (mctx != NULL && naptr->regexp != NULL)
		isc_mem_free(mctx, naptr->regexp);
	return (ISC_R_NOMEMORY);
}

Example #28

File: opt_41.c Project: SvenDowideit/clearlinux

static inline isc_result_t
fromwire_opt(ARGS_FROMWIRE) {
	isc_region_t sregion;
	isc_region_t tregion;
	isc_uint16_t opt;
	isc_uint16_t length;
	unsigned int total;

	REQUIRE(type == 41);

	UNUSED(type);
	UNUSED(rdclass);
	UNUSED(dctx);
	UNUSED(options);

	isc_buffer_activeregion(source, &sregion);
	total = 0;
	while (sregion.length != 0) {
		if (sregion.length < 4)
			return (ISC_R_UNEXPECTEDEND);
		opt = uint16_fromregion(&sregion);
		isc_region_consume(&sregion, 2);
		length = uint16_fromregion(&sregion);
		isc_region_consume(&sregion, 2);
		total += 4;
		if (sregion.length < length)
			return (ISC_R_UNEXPECTEDEND);
		switch (opt) {
		case DNS_OPT_CLIENT_SUBNET: {
			isc_uint16_t family;
			isc_uint8_t addrlen;
			isc_uint8_t scope;
			isc_uint8_t addrbytes;

			if (length < 4)
				return (DNS_R_FORMERR);
			family = uint16_fromregion(&sregion);
			isc_region_consume(&sregion, 2);
			addrlen = uint8_fromregion(&sregion);
			isc_region_consume(&sregion, 1);
			scope = uint8_fromregion(&sregion);
			isc_region_consume(&sregion, 1);
			switch (family) {
			case 1:
				if (addrlen > 32U || scope > 32U)
					return (DNS_R_FORMERR);
				break;
			case 2:
				if (addrlen > 128U || scope > 128U)
					return (DNS_R_FORMERR);
				break;
			}
			addrbytes = (addrlen + 7) / 8;
			if (addrbytes + 4 != length)
				return (DNS_R_FORMERR);
			isc_region_consume(&sregion, addrbytes);
			break;
		}
		case DNS_OPT_EXPIRE:
			/*
			 * Request has zero length.  Response is 32 bits.
			 */
			if (length != 0 && length != 4)
				return (DNS_R_FORMERR);
			isc_region_consume(&sregion, length);
			break;
		default:
			isc_region_consume(&sregion, length);
			break;
		}
		total += length;
	}

	isc_buffer_activeregion(source, &sregion);
	isc_buffer_availableregion(target, &tregion);
	if (tregion.length < total)
		return (ISC_R_NOSPACE);
	memmove(tregion.base, sregion.base, total);
	isc_buffer_forward(source, total);
	isc_buffer_add(target, total);

	return (ISC_R_SUCCESS);
}

Example #29

File: sig_24.c Project: fatman2021/netbsd-src

static inline isc_result_t
tostruct_sig(ARGS_TOSTRUCT) {
	isc_region_t sr;
	dns_rdata_sig_t *sig = target;
	dns_name_t signer;

	REQUIRE(rdata->type == dns_rdatatype_sig);
	REQUIRE(target != NULL);
	REQUIRE(rdata->length != 0);

	sig->common.rdclass = rdata->rdclass;
	sig->common.rdtype = rdata->type;
	ISC_LINK_INIT(&sig->common, link);

	dns_rdata_toregion(rdata, &sr);

	/*
	 * Type covered.
	 */
	sig->covered = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);

	/*
	 * Algorithm.
	 */
	sig->algorithm = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/*
	 * Labels.
	 */
	sig->labels = uint8_fromregion(&sr);
	isc_region_consume(&sr, 1);

	/*
	 * Original TTL.
	 */
	sig->originalttl = uint32_fromregion(&sr);
	isc_region_consume(&sr, 4);

	/*
	 * Expire time.
	 */
	sig->timeexpire = uint32_fromregion(&sr);
	isc_region_consume(&sr, 4);

	/*
	 * Time signed.
	 */
	sig->timesigned = uint32_fromregion(&sr);
	isc_region_consume(&sr, 4);

	/*
	 * Key ID.
	 */
	sig->keyid = uint16_fromregion(&sr);
	isc_region_consume(&sr, 2);

	dns_name_init(&signer, NULL);
	dns_name_fromregion(&signer, &sr);
	dns_name_init(&sig->signer, NULL);
	RETERR(name_duporclone(&signer, mctx, &sig->signer));
	isc_region_consume(&sr, name_length(&sig->signer));

	/*
	 * Signature.
	 */
	sig->siglen = sr.length;
	sig->signature = mem_maybedup(mctx, sr.base, sig->siglen);
	if (sig->signature == NULL)
		goto cleanup;


	sig->mctx = mctx;
	return (ISC_R_SUCCESS);

 cleanup:
	if (mctx != NULL)
		dns_name_free(&sig->signer, mctx);
	return (ISC_R_NOMEMORY);
}

Example #30

File: hip_55.c Project: chris-wood/bind-prime

static inline isc_result_t
totext_hip(ARGS_TOTEXT) {
	isc_region_t region;
	dns_name_t name;
	unsigned int length, key_len, hit_len;
	unsigned char algorithm;
	char buf[sizeof("225 ")];

	REQUIRE(rdata->type == dns_rdatatype_hip);
	REQUIRE(rdata->length != 0);

	dns_rdata_toregion(rdata, &region);

	hit_len = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	algorithm = uint8_fromregion(&region);
	isc_region_consume(&region, 1);

	key_len = uint16_fromregion(&region);
	isc_region_consume(&region, 2);

	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext("( ", target));

	/*
	 * Algorithm
	 */
	sprintf(buf, "%u ", algorithm);
	RETERR(str_totext(buf, target));

	/*
	 * HIT.
	 */
	INSIST(hit_len < region.length);
	length = region.length;
	region.length = hit_len;
	RETERR(isc_hex_totext(&region, 1, "", target));
	region.length = length - hit_len;
	RETERR(str_totext(tctx->linebreak, target));

	/*
	 * Public KEY.
	 */
	INSIST(key_len <= region.length);
	length = region.length;
	region.length = key_len;
	RETERR(isc_base64_totext(&region, 1, "", target));
	region.length = length - key_len;
	RETERR(str_totext(tctx->linebreak, target));

	/*
	 * Rendezvous Servers.
	 */
	dns_name_init(&name, NULL);
	while (region.length > 0) {
		dns_name_fromregion(&name, &region);

		RETERR(dns_name_totext(&name, ISC_FALSE, target));
		isc_region_consume(&region, name.length);
		if (region.length > 0)
			RETERR(str_totext(tctx->linebreak, target));
	}
	if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
		RETERR(str_totext(" )", target));
	return (ISC_R_SUCCESS);
}