/* SPDX-License-Identifier: LGPL-2.1+ */ #include #include #include #include #include #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; }