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Diffstat (limited to 'src/test/test-netlink-manual.c')
| -rw-r--r-- | src/test/test-netlink-manual.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/src/test/test-netlink-manual.c b/src/test/test-netlink-manual.c new file mode 100644 index 0000000000..abe705f58e --- /dev/null +++ b/src/test/test-netlink-manual.c @@ -0,0 +1,146 @@ +/*** + This file is part of systemd. + + Copyright 2014 Susant Sahani + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <arpa/inet.h> +#include <libkmod.h> +#include <net/if.h> + +#include <linux/if_tunnel.h> +#include <linux/ip.h> + +#include "systemd-basic/macro.h" +#include "systemd-basic/util.h" +#include "systemd-staging/sd-netlink.h" + +static int load_module(const char *mod_name) { + struct kmod_ctx *ctx; + struct kmod_list *list = NULL, *l; + int r; + + ctx = kmod_new(NULL, NULL); + if (!ctx) { + kmod_unref(ctx); + return -ENOMEM; + } + + r = kmod_module_new_from_lookup(ctx, mod_name, &list); + if (r < 0) + return -1; + + kmod_list_foreach(l, list) { + struct kmod_module *mod = kmod_module_get_module(l); + + r = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL, NULL); + if (r >= 0) + r = 0; + else + r = -1; + + kmod_module_unref(mod); + } + + kmod_module_unref_list(list); + kmod_unref(ctx); + + 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 EXIT_TEST_SKIP; + + if (getuid() != 0) + return EXIT_TEST_SKIP; + + /* 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); + + r = load_module("sit"); + if (r < 0) + return EXIT_TEST_SKIP; + + /* 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; + + 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; +} |