1 files changed, 127 insertions, 0 deletions
diff --git a/src/test/test-netlink-manual.c b/src/test/test-netlink-manual.c
new file mode 100644
index 0000000..1ebe8d1
--- /dev/null
+++ b/src/test/test-netlink-manual.c
@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <arpa/inet.h>
+#include <libkmod.h>
+#include <linux/ip.h>
+#include <net/if.h>
+#include <linux/if_tunnel.h>
+
+#include "sd-netlink.h"
+
+#include "macro.h"
+#include "module-util.h"
+#include "tests.h"
+#include "util.h"
+
+static int load_module(const char *mod_name) {
+        _cleanup_(kmod_unrefp) struct kmod_ctx *ctx = NULL;
+        _cleanup_(kmod_module_unref_listp) struct kmod_list *list = NULL;
+        struct kmod_list *l;
+        int r;
+
+        ctx = kmod_new(NULL, NULL);
+        if (!ctx)
+                return log_oom();
+
+        r = kmod_module_new_from_lookup(ctx, mod_name, &list);
+        if (r < 0)
+                return r;
+
+        kmod_list_foreach(l, list) {
+                _cleanup_(kmod_module_unrefp) struct kmod_module *mod = NULL;
+
+                mod = kmod_module_get_module(l);
+
+                r = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL, NULL);
+                if (r > 0)
+                        r = -EINVAL;
+        }
+
+        return r;
+}
+
+static int test_tunnel_configure(sd_netlink *rtnl) {
+        int r;
+        sd_netlink_message *m, *n;
+        struct in_addr local, remote;
+
+        /* skip test if module cannot be loaded */
+        r = load_module("ipip");
+        if (r < 0)
+                return log_tests_skipped_errno(r, "failed to load module 'ipip'");
+
+        r = load_module("sit");
+        if (r < 0)
+                return log_tests_skipped_errno(r, "failed to load module 'sit'");
+
+        if (getuid() != 0)
+                return log_tests_skipped("not root");
+
+        /* IPIP tunnel */
+        assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0);
+        assert_se(m);
+
+        assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0);
+        assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, 1234)>= 0);
+
+        assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0);
+
+        assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0);
+
+        inet_pton(AF_INET, "192.168.21.1", &local.s_addr);
+        assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0);
+
+        inet_pton(AF_INET, "192.168.21.2", &remote.s_addr);
+        assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0);
+
+        assert_se(sd_netlink_message_close_container(m) >= 0);
+        assert_se(sd_netlink_message_close_container(m) >= 0);
+
+        assert_se(sd_netlink_call(rtnl, m, -1, 0) == 1);
+
+        assert_se((m = sd_netlink_message_unref(m)) == NULL);
+
+        /* sit */
+        assert_se(sd_rtnl_message_new_link(rtnl, &n, RTM_NEWLINK, 0) >= 0);
+        assert_se(n);
+
+        assert_se(sd_netlink_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0);
+        assert_se(sd_netlink_message_append_u32(n, IFLA_MTU, 1234)>= 0);
+
+        assert_se(sd_netlink_message_open_container(n, IFLA_LINKINFO) >= 0);
+
+        assert_se(sd_netlink_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0);
+
+        assert_se(sd_netlink_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0);
+
+        inet_pton(AF_INET, "192.168.21.3", &local.s_addr);
+        assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0);
+
+        inet_pton(AF_INET, "192.168.21.4", &remote.s_addr);
+        assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0);
+
+        assert_se(sd_netlink_message_close_container(n) >= 0);
+        assert_se(sd_netlink_message_close_container(n) >= 0);
+
+        assert_se(sd_netlink_call(rtnl, n, -1, 0) == 1);
+
+        assert_se((n = sd_netlink_message_unref(n)) == NULL);
+
+        return EXIT_SUCCESS;
+}
+
+int main(int argc, char *argv[]) {
+        sd_netlink *rtnl;
+        int r;
+
+        test_setup_logging(LOG_INFO);
+
+        assert_se(sd_netlink_open(&rtnl) >= 0);
+        assert_se(rtnl);
+
+        r = test_tunnel_configure(rtnl);
+
+        assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
+
+        return r;
+}