1 files changed, 195 insertions, 0 deletions
diff --git a/bin/tests/system/feature-test.c b/bin/tests/system/feature-test.c
new file mode 100644
index 0000000..9612450
--- /dev/null
+++ b/bin/tests/system/feature-test.c
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * 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 http://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <config.h>
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <isc/print.h>
+#include <isc/util.h>
+#include <isc/net.h>
+#include <dns/edns.h>
+
+#ifdef WIN32
+#include <Winsock2.h>
+#endif
+
+#ifndef MAXHOSTNAMELEN
+#ifdef HOST_NAME_MAX
+#define MAXHOSTNAMELEN HOST_NAME_MAX
+#else
+#define MAXHOSTNAMELEN 256
+#endif
+#endif
+
+static void
+usage() {
+	fprintf(stderr, "usage: feature-test <arg>\n");
+	fprintf(stderr, "args:\n");
+	fprintf(stderr, "	--edns-version\n");
+	fprintf(stderr, "	--enable-filter-aaaa\n");
+	fprintf(stderr, "	--gethostname\n");
+	fprintf(stderr, "	--gssapi\n");
+	fprintf(stderr, "	--have-dlopen\n");
+	fprintf(stderr, "	--have-geoip\n");
+	fprintf(stderr, "	--have-libxml2\n");
+	fprintf(stderr, "	--ipv6only=no\n");
+	fprintf(stderr, "	--rpz-nsdname\n");
+	fprintf(stderr, "	--rpz-nsip\n");
+	fprintf(stderr, "	--with-idn\n");
+	fprintf(stderr, "	--with-lmdb\n");
+}
+
+int
+main(int argc, char **argv) {
+	if (argc != 2) {
+		usage();
+		return (1);
+	}
+
+	if (strcmp(argv[1], "--enable-filter-aaaa") == 0) {
+#ifdef ALLOW_FILTER_AAAA
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--edns-version") == 0) {
+#ifdef DNS_EDNS_VERSION
+		printf("%d\n", DNS_EDNS_VERSION);
+#else
+		printf("0\n");
+#endif
+		return (0);
+	}
+
+	if (strcmp(argv[1], "--gethostname") == 0) {
+		char hostname[MAXHOSTNAMELEN];
+		int n;
+#ifdef WIN32
+		/* From lwres InitSocket() */
+		WORD wVersionRequested;
+		WSADATA wsaData;
+		int err;
+
+		wVersionRequested = MAKEWORD(2, 0);
+		err = WSAStartup( wVersionRequested, &wsaData );
+		if (err != 0) {
+			fprintf(stderr, "WSAStartup() failed: %d\n", err);
+			exit(1);
+		}
+#endif
+
+		n = gethostname(hostname, sizeof(hostname));
+		if (n == -1) {
+			perror("gethostname");
+			return(1);
+		}
+		fprintf(stdout, "%s\n", hostname);
+#ifdef WIN32
+		WSACleanup();
+#endif
+		return (0);
+	}
+
+	if (strcmp(argv[1], "--gssapi") == 0) {
+#if defined(GSSAPI)
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--have-dlopen") == 0) {
+#if defined(HAVE_DLOPEN) && defined(ISC_DLZ_DLOPEN)
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--have-geoip") == 0) {
+#ifdef HAVE_GEOIP
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--have-libxml2") == 0) {
+#ifdef HAVE_LIBXML2
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--rpz-nsip") == 0) {
+#ifdef ENABLE_RPZ_NSIP
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--rpz-nsdname") == 0) {
+#ifdef ENABLE_RPZ_NSDNAME
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--with-idn") == 0) {
+#ifdef WITH_LIBIDN2
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--with-lmdb") == 0) {
+#ifdef HAVE_LMDB
+		return (0);
+#else
+		return (1);
+#endif
+	}
+
+	if (strcmp(argv[1], "--ipv6only=no") == 0) {
+#ifdef WIN32
+		return (0);
+#elif defined(IPPROTO_IPV6) && defined(IPV6_V6ONLY)
+		int s;
+		int n = -1;
+		int v6only = -1;
+		ISC_SOCKADDR_LEN_T len = sizeof(v6only);
+
+		s = socket(AF_INET6, SOCK_DGRAM, IPPROTO_UDP);
+		if (s >= 0) {
+			n = getsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY,
+				       (void *)&v6only, &len);
+			close(s);
+		}
+		return ((n == 0 && v6only == 0) ? 0 : 1);
+#else
+		return (1);
+#endif
+	}
+
+	fprintf(stderr, "unknown arg: %s\n", argv[1]);
+	usage();
+	return (1);
+}