ISC BIND version 9.3.0. ok deraadt@

2 files changed, 270 insertions, 0 deletions

diff --git a/usr.sbin/bind/lib/dns/rdata/generic/sshfp_44.c b/usr.sbin/bind/lib/dns/rdata/generic/sshfp_44.c
new file mode 100644
index 00000000000..29e8a26b179
--- /dev/null
+++ b/usr.sbin/bind/lib/dns/rdata/generic/sshfp_44.c
@@ -0,0 +1,237 @@
+/*
+ * Copyright (C) 1999-2003  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: sshfp_44.c,v 1.1 2003/10/19 18:19:11 jakob Exp $ */
+
+/* draft-ietf-secsh-dns-05.txt */
+
+#ifndef RDATA_GENERIC_SSHFP_44_C
+#define RDATA_GENERIC_SSHFP_44_C
+
+#define RRTYPE_SSHFP_ATTRIBUTES (0)
+
+static inline isc_result_t
+fromtext_sshfp(ARGS_FROMTEXT) {
+	isc_token_t token;
+
+	REQUIRE(type == 44);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(origin);
+	UNUSED(downcase);
+	UNUSED(callbacks);
+
+	/*
+	 * Algorithm.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+				      ISC_FALSE));
+	if (token.value.as_ulong > 0xff)
+		RETTOK(ISC_R_RANGE);
+	RETERR(uint8_tobuffer(token.value.as_ulong, target));
+
+	/*
+	 * Digest type.
+	 */
+	RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
+				      ISC_FALSE));
+	if (token.value.as_ulong > 0xff)
+		RETTOK(ISC_R_RANGE);
+	RETERR(uint8_tobuffer(token.value.as_ulong, target));
+	type = (isc_uint16_t) token.value.as_ulong;
+
+	/*
+	 * Digest.
+	 */
+	return (isc_hex_tobuffer(lexer, target, -1));
+}
+
+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);
+}
+
+static inline isc_result_t
+fromwire_sshfp(ARGS_FROMWIRE) {
+	isc_region_t sr;
+
+	REQUIRE(type == 44);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+	UNUSED(dctx);
+	UNUSED(downcase);
+
+	isc_buffer_activeregion(source, &sr);
+	if (sr.length < 4)
+		return (ISC_R_UNEXPECTEDEND);
+
+	isc_buffer_forward(source, sr.length);
+	return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline isc_result_t
+towire_sshfp(ARGS_TOWIRE) {
+	isc_region_t sr;
+
+	REQUIRE(rdata->type == 44);
+	REQUIRE(rdata->length != 0);
+
+	UNUSED(cctx);
+
+	dns_rdata_toregion(rdata, &sr);
+	return (mem_tobuffer(target, sr.base, sr.length));
+}
+
+static inline int
+compare_sshfp(ARGS_COMPARE) {
+	isc_region_t r1;
+	isc_region_t r2;
+
+	REQUIRE(rdata1->type == rdata2->type);
+	REQUIRE(rdata1->rdclass == rdata2->rdclass);
+	REQUIRE(rdata1->type == 44);
+	REQUIRE(rdata1->length != 0);
+	REQUIRE(rdata2->length != 0);
+
+	dns_rdata_toregion(rdata1, &r1);
+	dns_rdata_toregion(rdata2, &r2);
+	return (compare_region(&r1, &r2));
+}
+
+static inline isc_result_t
+fromstruct_sshfp(ARGS_FROMSTRUCT) {
+	dns_rdata_sshfp_t *sshfp = source;
+
+	REQUIRE(type == 44);
+	REQUIRE(source != NULL);
+	REQUIRE(sshfp->common.rdtype == type);
+	REQUIRE(sshfp->common.rdclass == rdclass);
+
+	UNUSED(type);
+	UNUSED(rdclass);
+
+	RETERR(uint8_tobuffer(sshfp->algorithm, target));
+	RETERR(uint8_tobuffer(sshfp->digest_type, target));
+
+	return (mem_tobuffer(target, sshfp->digest, sshfp->length));
+}
+
+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);
+}
+
+static inline void
+freestruct_sshfp(ARGS_FREESTRUCT) {
+	dns_rdata_sshfp_t *sshfp = source;
+
+	REQUIRE(sshfp != NULL);
+	REQUIRE(sshfp->common.rdtype == 44);
+
+	if (sshfp->mctx == NULL)
+		return;
+
+	if (sshfp->digest != NULL)
+		isc_mem_free(sshfp->mctx, sshfp->digest);
+	sshfp->mctx = NULL;
+}
+
+static inline isc_result_t
+additionaldata_sshfp(ARGS_ADDLDATA) {
+	REQUIRE(rdata->type == 44);
+
+	UNUSED(rdata);
+	UNUSED(add);
+	UNUSED(arg);
+
+	return (ISC_R_SUCCESS);
+}
+
+static inline isc_result_t
+digest_sshfp(ARGS_DIGEST) {
+	isc_region_t r;
+
+	REQUIRE(rdata->type == 44);
+
+	dns_rdata_toregion(rdata, &r);
+
+	return ((digest)(arg, &r));
+}
+
+#endif	/* RDATA_GENERIC_SSHFP_44_C */
diff --git a/usr.sbin/bind/lib/dns/rdata/generic/sshfp_44.h b/usr.sbin/bind/lib/dns/rdata/generic/sshfp_44.h
new file mode 100644
index 00000000000..b1efcfdd31c
--- /dev/null
+++ b/usr.sbin/bind/lib/dns/rdata/generic/sshfp_44.h
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 1999-2003  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: sshfp_44.h,v 1.1 2003/10/19 18:19:11 jakob Exp $ */
+
+/* draft-ietf-secsh-dns-05.txt */
+#ifndef GENERIC_SSHFP_44_H
+#define GENERIC_SSHFP_44_H 1
+
+typedef struct dns_rdata_sshfp {
+	dns_rdatacommon_t	common;
+	isc_mem_t		*mctx;
+	isc_uint8_t		algorithm;
+	isc_uint8_t		digest_type;
+	isc_uint16_t		length;
+	unsigned char		*digest;
+} dns_rdata_sshfp_t;
+
+#endif /* GENERIC_SSHFP_44_H */