1 files changed, 115 insertions, 0 deletions
diff --git a/bin/named/tkeyconf.c b/bin/named/tkeyconf.c
new file mode 100644
index 0000000..03b198b
--- /dev/null
+++ b/bin/named/tkeyconf.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/*! \file */
+
+#include <inttypes.h>
+
+#include <isc/buffer.h>
+#include <isc/mem.h>
+#include <isc/string.h> /* Required for HP/UX (and others?) */
+
+#include <dns/fixedname.h>
+#include <dns/keyvalues.h>
+#include <dns/name.h>
+#include <dns/tkey.h>
+
+#include <dst/gssapi.h>
+
+#include <isccfg/cfg.h>
+
+#include <named/tkeyconf.h>
+
+#define RETERR(x)                            \
+	do {                                 \
+		result = (x);                \
+		if (result != ISC_R_SUCCESS) \
+			goto failure;        \
+	} while (0)
+
+#include <named/log.h>
+#define LOG(msg)                                               \
+	isc_log_write(named_g_lctx, NAMED_LOGCATEGORY_GENERAL, \
+		      NAMED_LOGMODULE_SERVER, ISC_LOG_ERROR, "%s", msg)
+
+isc_result_t
+named_tkeyctx_fromconfig(const cfg_obj_t *options, isc_mem_t *mctx,
+			 dns_tkeyctx_t **tctxp) {
+	isc_result_t result;
+	dns_tkeyctx_t *tctx = NULL;
+	const char *s;
+	uint32_t n;
+	dns_fixedname_t fname;
+	dns_name_t *name;
+	isc_buffer_t b;
+	const cfg_obj_t *obj;
+	int type;
+
+	result = dns_tkeyctx_create(mctx, &tctx);
+	if (result != ISC_R_SUCCESS) {
+		return (result);
+	}
+
+	obj = NULL;
+	result = cfg_map_get(options, "tkey-dhkey", &obj);
+	if (result == ISC_R_SUCCESS) {
+		s = cfg_obj_asstring(cfg_tuple_get(obj, "name"));
+		n = cfg_obj_asuint32(cfg_tuple_get(obj, "keyid"));
+		isc_buffer_constinit(&b, s, strlen(s));
+		isc_buffer_add(&b, strlen(s));
+		name = dns_fixedname_initname(&fname);
+		RETERR(dns_name_fromtext(name, &b, dns_rootname, 0, NULL));
+		type = DST_TYPE_PUBLIC | DST_TYPE_PRIVATE | DST_TYPE_KEY;
+		RETERR(dst_key_fromfile(name, (dns_keytag_t)n, DNS_KEYALG_DH,
+					type, NULL, mctx, &tctx->dhkey));
+	}
+
+	obj = NULL;
+	result = cfg_map_get(options, "tkey-domain", &obj);
+	if (result == ISC_R_SUCCESS) {
+		s = cfg_obj_asstring(obj);
+		isc_buffer_constinit(&b, s, strlen(s));
+		isc_buffer_add(&b, strlen(s));
+		name = dns_fixedname_initname(&fname);
+		RETERR(dns_name_fromtext(name, &b, dns_rootname, 0, NULL));
+		tctx->domain = isc_mem_get(mctx, sizeof(dns_name_t));
+		dns_name_init(tctx->domain, NULL);
+		dns_name_dup(name, mctx, tctx->domain);
+	}
+
+	obj = NULL;
+	result = cfg_map_get(options, "tkey-gssapi-credential", &obj);
+	if (result == ISC_R_SUCCESS) {
+		s = cfg_obj_asstring(obj);
+
+		isc_buffer_constinit(&b, s, strlen(s));
+		isc_buffer_add(&b, strlen(s));
+		name = dns_fixedname_initname(&fname);
+		RETERR(dns_name_fromtext(name, &b, dns_rootname, 0, NULL));
+		RETERR(dst_gssapi_acquirecred(name, false, &tctx->gsscred));
+	}
+
+	obj = NULL;
+	result = cfg_map_get(options, "tkey-gssapi-keytab", &obj);
+	if (result == ISC_R_SUCCESS) {
+		s = cfg_obj_asstring(obj);
+		tctx->gssapi_keytab = isc_mem_strdup(mctx, s);
+	}
+
+	*tctxp = tctx;
+	return (ISC_R_SUCCESS);
+
+failure:
+	dns_tkeyctx_destroy(&tctx);
+	return (result);
+}