added unbound to external deps

1 files changed, 152 insertions, 0 deletions

diff --git a/external/unbound/winrc/anchor-update.c b/external/unbound/winrc/anchor-update.c
new file mode 100644
index 000000000..2b22e0142
--- /dev/null
+++ b/external/unbound/winrc/anchor-update.c
@@ -0,0 +1,152 @@
+/*
+ * winrc/anchor-update.c - windows trust anchor update util
+ *
+ * Copyright (c) 2009, NLnet Labs. All rights reserved.
+ *
+ * This software is open source.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 
+ * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 
+ * Neither the name of the NLNET LABS nor the names of its contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * \file
+ *
+ * This file is made because contrib/update-anchor.sh does not work on
+ * windows (no shell). 
+ */
+#include "config.h"
+#include "libunbound/unbound.h"
+#include "ldns/rrdef.h"
+#include "ldns/pkthdr.h"
+#include "ldns/wire2str.h"
+
+/** usage */
+static void
+usage(void)
+{
+	printf("usage: { name-of-domain filename }+ \n");
+	printf("exit codes: 0 anchors updated, 1 no changes, 2 errors.\n");
+	exit(1);
+}
+
+/** fatal exit */
+static void fatal(const char* str)
+{
+	printf("fatal error: %s\n", str);
+	exit(2);
+}
+
+/** lookup data */
+static struct ub_result*
+do_lookup(struct ub_ctx* ctx, char* domain)
+{
+	struct ub_result* result = NULL;
+	int r;
+	r = ub_resolve(ctx, domain, LDNS_RR_TYPE_DNSKEY, LDNS_RR_CLASS_IN,
+		&result);
+	if(r) {
+		printf("failed to lookup %s\n", ub_strerror(r));
+		fatal("ub_resolve failed");
+	}
+	if(!result->havedata && (result->rcode == LDNS_RCODE_SERVFAIL ||
+		result->rcode == LDNS_RCODE_REFUSED))
+		return NULL; /* probably no internet connection */
+	if(!result->havedata) fatal("result has no data");
+	if(!result->secure) fatal("result is not secure");
+	return result;
+}
+
+/** print result to file */
+static void
+do_print(struct ub_result* result, char* file)
+{
+	FILE* out = fopen(file, "w");
+	char s[65535], t[32];
+	int i;
+	if(!out) {
+		perror(file);
+		fatal("fopen failed");
+	}
+	i = 0;
+	if(result->havedata)
+	  while(result->data[i]) {
+		sldns_wire2str_rdata_buf((uint8_t*)result->data[i],
+			(size_t)result->len[i], s, sizeof(s),
+			(uint16_t)result->qtype);
+		sldns_wire2str_type_buf((uint16_t)result->qtype, t, sizeof(t));
+		fprintf(out, "%s\t%s\t%s\n", result->qname, t, s);
+		i++;
+	}
+	fclose(out);
+}
+
+/** update domain to file */
+static int
+do_update(char* domain, char* file)
+{
+	struct ub_ctx* ctx;
+	struct ub_result* result;
+	int r;
+	printf("updating %s to %s\n", domain, file);
+	ctx = ub_ctx_create();
+	if(!ctx) fatal("ub_ctx_create failed");
+
+	if((r=ub_ctx_add_ta_file(ctx, file))) {
+		printf("%s\n", ub_strerror(r));
+		fatal("ub_ctx_add_ta_file failed");
+	}
+
+	if(!(result=do_lookup(ctx, domain))) {
+		ub_ctx_delete(ctx);
+		return 1;
+	}
+	ub_ctx_delete(ctx);
+	do_print(result, file);
+	ub_resolve_free(result);
+	return 0;
+}
+
+/** anchor update main */
+int main(int argc, char** argv)
+{
+	int retcode = 1;
+	if(argc == 1) {
+		usage();
+	}
+	argc--;
+	argv++;
+	while(argc > 0) {
+		int r = do_update(argv[0], argv[1]);
+		if(r == 0) retcode = 0;
+
+		/* next */
+		argc-=2;
+		argv+=2;
+	}
+	return retcode;
+}