1 files changed, 76 insertions, 0 deletions
diff --git a/src/nl-nh-list.c b/src/nl-nh-list.c
new file mode 100644
index 00000000..18fc5f4a
--- /dev/null
+++ b/src/nl-nh-list.c
@@ -0,0 +1,76 @@
+/* SPDX-License-Identifier: LGPL-2.1-only */
+/*
+ * Copyright (c) 2022 Stanislav Zaikin <zstaseg@gmail.com>
+ */
+
+#include "nl-default.h"
+
+#include <linux/netlink.h>
+
+#include <netlink/cli/utils.h>
+#include <netlink/cli/nh.h>
+#include <netlink/route/nh.h>
+
+static void print_usage(void)
+{
+	printf("Usage: nl-nh-list [OPTIONS]... \n"
+	       "\n"
+	       "OPTIONS\n"
+	       "     --details             Show detailed information of each link\n"
+	       " -h, --help                Show this help text.\n"
+	       " -v, --version             Show versioning information.\n"
+	       "\n"
+	       " -n, --name=NAME	    Name of link\n"
+	       " -i, --index               Interface index (unique identifier)\n"
+	       "     --family=NAME         Link address family\n");
+	exit(0);
+}
+
+int main(int argc, char *argv[])
+{
+	struct nl_sock *sock;
+	struct nl_cache *link_cache;
+	struct nl_dump_params params = {
+		.dp_type = NL_DUMP_LINE,
+		.dp_fd = stdout,
+	};
+
+	sock = nl_cli_alloc_socket();
+	nl_cli_connect(sock, NETLINK_ROUTE);
+
+	for (;;) {
+		int c, optidx = 0;
+		enum {
+			ARG_FAMILY = 257,
+			ARG_DETAILS,
+		};
+		static struct option long_opts[] = { { "details", 0, 0,
+						       ARG_DETAILS },
+						     { "help", 0, 0, 'h' },
+						     { "version", 0, 0, 'v' },
+						     { "name", 1, 0, 'n' },
+						     { 0, 0, 0, 0 } };
+
+		c = getopt_long(argc, argv, "hvn:i:", long_opts, &optidx);
+		if (c == -1)
+			break;
+
+		switch (c) {
+		case ARG_DETAILS:
+			params.dp_type = NL_DUMP_DETAILS;
+			break;
+		case 'h':
+			print_usage();
+			break;
+		case 'v':
+			nl_cli_print_version();
+			break;
+		}
+	}
+
+	link_cache = nl_cli_nh_alloc_cache(sock);
+
+	nl_cache_dump(link_cache, &params);
+
+	return 0;
+}