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Diffstat (limited to 'lib/dns/rdata/generic/key_25.c')
-rw-r--r--lib/dns/rdata/generic/key_25.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/lib/dns/rdata/generic/key_25.c b/lib/dns/rdata/generic/key_25.c
new file mode 100644
index 00000000..99c0e70a
--- /dev/null
+++ b/lib/dns/rdata/generic/key_25.c
@@ -0,0 +1,280 @@
+/*
+ * Copyright (C) 1999, 2000 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM 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: key_25.c,v 1.16 2000/02/03 23:43:00 halley Exp $ */
+
+ /* RFC 2065 */
+
+#ifndef RDATA_GENERIC_KEY_25_C
+#define RDATA_GENERIC_KEY_25_C
+
+static inline isc_result_t
+fromtext_key(dns_rdataclass_t rdclass, dns_rdatatype_t type,
+ isc_lex_t *lexer, dns_name_t *origin,
+ isc_boolean_t downcase, isc_buffer_t *target)
+{
+ isc_token_t token;
+ dns_secalg_t alg;
+ dns_secproto_t proto;
+ dns_keyflags_t flags;
+
+ REQUIRE(type == 25);
+
+ rdclass = rdclass; /*unused*/
+ origin = origin; /*unused*/
+ downcase = downcase; /*unused*/
+
+ /* flags */
+ RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
+ RETERR(dns_keyflags_fromtext(&flags, &token.value.as_textregion));
+ RETERR(uint16_tobuffer(flags, target));
+
+ /* protocol */
+ RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
+ RETERR(dns_secproto_fromtext(&proto, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &proto, 1));
+
+ /* algorithm */
+ RETERR(gettoken(lexer, &token, isc_tokentype_string, ISC_FALSE));
+ RETERR(dns_secalg_fromtext(&alg, &token.value.as_textregion));
+ RETERR(mem_tobuffer(target, &alg, 1));
+
+ /* No Key? */
+ if ((flags & 0xc000) == 0xc000)
+ return (DNS_R_SUCCESS);
+
+ return (isc_base64_tobuffer(lexer, target, -1));
+}
+
+static inline isc_result_t
+totext_key(dns_rdata_t *rdata, dns_rdata_textctx_t *tctx,
+ isc_buffer_t *target)
+{
+ isc_region_t sr;
+ char buf[sizeof "64000"];
+ unsigned int flags;
+
+ REQUIRE(rdata->type == 25);
+
+ tctx = tctx; /*unused*/
+
+ dns_rdata_toregion(rdata, &sr);
+
+ /* flags */
+ flags = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+ sprintf(buf, "%u", flags);
+ RETERR(str_totext(buf, target));
+ RETERR(str_totext(" ", target));
+
+ /* protocol */
+ sprintf(buf, "%u", sr.base[0]);
+ isc_region_consume(&sr, 1);
+ RETERR(str_totext(buf, target));
+ RETERR(str_totext(" ", target));
+
+ /* algorithm */
+ sprintf(buf, "%u", sr.base[0]);
+ isc_region_consume(&sr, 1);
+ RETERR(str_totext(buf, target));
+
+ /* No Key? */
+ if ((flags & 0xc000) == 0xc00)
+ return (DNS_R_SUCCESS);
+
+ /* key */
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(" (", target));
+ RETERR(str_totext(tctx->linebreak, target));
+ RETERR(isc_base64_totext(&sr, tctx->width - 2,
+ tctx->linebreak, target));
+ if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
+ RETERR(str_totext(" )", target));
+
+ return DNS_R_SUCCESS;
+}
+
+static inline isc_result_t
+fromwire_key(dns_rdataclass_t rdclass, dns_rdatatype_t type,
+ isc_buffer_t *source, dns_decompress_t *dctx,
+ isc_boolean_t downcase, isc_buffer_t *target)
+{
+ isc_region_t sr;
+
+ REQUIRE(type == 25);
+
+ rdclass = rdclass; /*unused*/
+ dctx = dctx; /*unused*/
+ downcase = downcase; /*unused*/
+
+ isc_buffer_active(source, &sr);
+ if (sr.length < 4)
+ return (DNS_R_UNEXPECTEDEND);
+
+ isc_buffer_forward(source, sr.length);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline isc_result_t
+towire_key(dns_rdata_t *rdata, dns_compress_t *cctx, isc_buffer_t *target) {
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == 25);
+
+ cctx = cctx; /*unused*/
+
+ dns_rdata_toregion(rdata, &sr);
+ return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline int
+compare_key(dns_rdata_t *rdata1, dns_rdata_t *rdata2) {
+ isc_region_t r1;
+ isc_region_t r2;
+
+ REQUIRE(rdata1->type == rdata2->type);
+ REQUIRE(rdata1->rdclass == rdata2->rdclass);
+ REQUIRE(rdata1->type == 25);
+
+ dns_rdata_toregion(rdata1, &r1);
+ dns_rdata_toregion(rdata2, &r2);
+ return (compare_region(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_key(dns_rdataclass_t rdclass, dns_rdatatype_t type, void *source,
+ isc_buffer_t *target)
+{
+ dns_rdata_generic_key_t *key;
+ isc_region_t tr;
+
+ REQUIRE(type == 25);
+
+ rdclass = rdclass; /*unused*/
+
+ source = source;
+ target = target;
+
+ key = (dns_rdata_generic_key_t *) source;
+ REQUIRE(key->mctx != NULL);
+
+ /* Flags */
+ RETERR(uint16_tobuffer(key->flags, target));
+
+ /* Protocol */
+ RETERR(uint8_tobuffer(key->protocol, target));
+
+ /* Algorithm */
+ RETERR(uint8_tobuffer(key->algorithm, target));
+
+ /* Data */
+ if (key->datalen > 0) {
+ isc_buffer_available(target, &tr);
+ if (tr.length < key->datalen)
+ return (DNS_R_NOSPACE);
+ memcpy(tr.base, key->data, key->datalen);
+ isc_buffer_add(target, key->datalen);
+ }
+
+ return (DNS_R_SUCCESS);
+}
+
+static inline isc_result_t
+tostruct_key(dns_rdata_t *rdata, void *target, isc_mem_t *mctx) {
+ dns_rdata_generic_key_t *key;
+ isc_region_t sr;
+
+ REQUIRE(rdata->type == 25);
+
+ target = target;
+ mctx = mctx;
+
+ key = (dns_rdata_generic_key_t *) target;
+ key->common.rdclass = rdata->rdclass;
+ key->common.rdtype = rdata->type;
+ ISC_LINK_INIT(&key->common, link);
+ key->mctx = mctx;
+ dns_rdata_toregion(rdata, &sr);
+
+ /* Flags */
+ if (sr.length < 2)
+ return (ISC_R_UNEXPECTEDEND);
+ key->flags = uint16_fromregion(&sr);
+ isc_region_consume(&sr, 2);
+
+ /* Protocol */
+ if (sr.length < 1)
+ return (ISC_R_UNEXPECTEDEND);
+ key->flags = uint8_fromregion(&sr);
+ isc_region_consume(&sr, 1);
+
+ /* Algorithm */
+ if (sr.length < 1)
+ return (ISC_R_UNEXPECTEDEND);
+ key->flags = uint8_fromregion(&sr);
+ isc_region_consume(&sr, 1);
+
+ /* Data */
+ key->datalen = sr.length;
+ if (key->datalen > 0) {
+ key->data = isc_mem_get(mctx, key->datalen);
+ if (key->data == NULL)
+ return (DNS_R_NOMEMORY);
+ memcpy(key->data, sr.base, key->datalen);
+ isc_region_consume(&sr, key->datalen);
+ }
+ else
+ key->data = NULL;
+
+ return (DNS_R_SUCCESS);
+}
+
+static inline void
+freestruct_key(void *source) {
+ dns_rdata_generic_key_t *key = (dns_rdata_generic_key_t *) source;
+
+ REQUIRE(source != NULL);
+ REQUIRE(key->common.rdtype == 25);
+
+ if (key->datalen > 0)
+ isc_mem_put(key->mctx, key->data, key->datalen);
+}
+
+static inline isc_result_t
+additionaldata_key(dns_rdata_t *rdata, dns_additionaldatafunc_t add,
+ void *arg)
+{
+ REQUIRE(rdata->type == 25);
+
+ (void)add;
+ (void)arg;
+
+ return (DNS_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_key(dns_rdata_t *rdata, dns_digestfunc_t digest, void *arg) {
+ isc_region_t r;
+
+ REQUIRE(rdata->type == 25);
+
+ dns_rdata_toregion(rdata, &r);
+
+ return ((digest)(arg, &r));
+}
+
+#endif /* RDATA_GENERIC_KEY_25_C */
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