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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Susant Sahani | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
9a6704a8 | 22 | #include <arpa/inet.h> |
07630cea | 23 | #include <libkmod.h> |
9a6704a8 | 24 | #include <linux/ip.h> |
07630cea | 25 | #include <net/if.h> |
9a6704a8 | 26 | #include <linux/if_tunnel.h> |
9a6704a8 | 27 | |
1c4baffc | 28 | #include "sd-netlink.h" |
9a6704a8 | 29 | |
07630cea LP |
30 | #include "macro.h" |
31 | #include "util.h" | |
32 | ||
9a6704a8 SS |
33 | static int load_module(const char *mod_name) { |
34 | struct kmod_ctx *ctx; | |
35 | struct kmod_list *list = NULL, *l; | |
36 | int r; | |
37 | ||
38 | ctx = kmod_new(NULL, NULL); | |
39 | if (!ctx) { | |
40 | kmod_unref(ctx); | |
41 | return -ENOMEM; | |
42 | } | |
43 | ||
44 | r = kmod_module_new_from_lookup(ctx, mod_name, &list); | |
45 | if (r < 0) | |
46 | return -1; | |
47 | ||
48 | kmod_list_foreach(l, list) { | |
49 | struct kmod_module *mod = kmod_module_get_module(l); | |
50 | ||
51 | r = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL, NULL); | |
52 | if (r >= 0) | |
53 | r = 0; | |
54 | else | |
55 | r = -1; | |
56 | ||
57 | kmod_module_unref(mod); | |
58 | } | |
59 | ||
60 | kmod_module_unref_list(list); | |
61 | kmod_unref(ctx); | |
62 | ||
63 | return r; | |
64 | } | |
65 | ||
1c4baffc | 66 | static int test_tunnel_configure(sd_netlink *rtnl) { |
9a6704a8 | 67 | int r; |
1c4baffc | 68 | sd_netlink_message *m, *n; |
9a6704a8 SS |
69 | struct in_addr local, remote; |
70 | ||
71 | /* skip test if module cannot be loaded */ | |
72 | r = load_module("ipip"); | |
73 | if(r < 0) | |
74 | return EXIT_TEST_SKIP; | |
75 | ||
76 | if(getuid() != 0) | |
77 | return EXIT_TEST_SKIP; | |
78 | ||
79 | /* IPIP tunnel */ | |
80 | assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0); | |
81 | assert_se(m); | |
82 | ||
1c4baffc TG |
83 | assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0); |
84 | assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, 1234)>= 0); | |
9a6704a8 | 85 | |
1c4baffc | 86 | assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); |
9a6704a8 | 87 | |
1c4baffc | 88 | assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0); |
9a6704a8 SS |
89 | |
90 | inet_pton(AF_INET, "192.168.21.1", &local.s_addr); | |
1c4baffc | 91 | assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); |
9a6704a8 SS |
92 | |
93 | inet_pton(AF_INET, "192.168.21.2", &remote.s_addr); | |
1c4baffc | 94 | assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); |
9a6704a8 | 95 | |
1c4baffc TG |
96 | assert_se(sd_netlink_message_close_container(m) >= 0); |
97 | assert_se(sd_netlink_message_close_container(m) >= 0); | |
9a6704a8 | 98 | |
1c4baffc | 99 | assert_se(sd_netlink_call(rtnl, m, -1, 0) == 1); |
9a6704a8 | 100 | |
1c4baffc | 101 | assert_se((m = sd_netlink_message_unref(m)) == NULL); |
9a6704a8 SS |
102 | |
103 | r = load_module("sit"); | |
104 | if(r < 0) | |
105 | return EXIT_TEST_SKIP; | |
106 | ||
107 | /* sit */ | |
108 | assert_se(sd_rtnl_message_new_link(rtnl, &n, RTM_NEWLINK, 0) >= 0); | |
109 | assert_se(n); | |
110 | ||
1c4baffc TG |
111 | assert_se(sd_netlink_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0); |
112 | assert_se(sd_netlink_message_append_u32(n, IFLA_MTU, 1234)>= 0); | |
9a6704a8 | 113 | |
1c4baffc | 114 | assert_se(sd_netlink_message_open_container(n, IFLA_LINKINFO) >= 0); |
9a6704a8 | 115 | |
1c4baffc | 116 | assert_se(sd_netlink_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0); |
9a6704a8 | 117 | |
1c4baffc | 118 | assert_se(sd_netlink_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0); |
9a6704a8 SS |
119 | |
120 | inet_pton(AF_INET, "192.168.21.3", &local.s_addr); | |
1c4baffc | 121 | assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); |
9a6704a8 SS |
122 | |
123 | inet_pton(AF_INET, "192.168.21.4", &remote.s_addr); | |
1c4baffc | 124 | assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); |
9a6704a8 | 125 | |
1c4baffc TG |
126 | assert_se(sd_netlink_message_close_container(n) >= 0); |
127 | assert_se(sd_netlink_message_close_container(n) >= 0); | |
9a6704a8 | 128 | |
1c4baffc | 129 | assert_se(sd_netlink_call(rtnl, n, -1, 0) == 1); |
9a6704a8 | 130 | |
19fcba36 | 131 | assert_se((n = sd_netlink_message_unref(n)) == NULL); |
9a6704a8 SS |
132 | |
133 | return EXIT_SUCCESS; | |
134 | } | |
135 | ||
136 | int main(int argc, char *argv[]) { | |
1c4baffc | 137 | sd_netlink *rtnl; |
9a6704a8 SS |
138 | int r; |
139 | ||
1c4baffc | 140 | assert_se(sd_netlink_open(&rtnl) >= 0); |
9a6704a8 SS |
141 | assert_se(rtnl); |
142 | ||
143 | r = test_tunnel_configure(rtnl); | |
144 | ||
1c4baffc | 145 | assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); |
9a6704a8 SS |
146 | |
147 | return r; | |
148 | } |