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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
9a6704a8 SS |
2 | /*** |
3 | This file is part of systemd. | |
4 | ||
5 | Copyright 2014 Susant Sahani | |
6 | ||
7 | systemd is free software; you can redistribute it and/or modify it | |
8 | under the terms of the GNU Lesser General Public License as published by | |
9 | the Free Software Foundation; either version 2.1 of the License, or | |
10 | (at your option) any later version. | |
11 | ||
12 | systemd is distributed in the hope that it will be useful, but | |
13 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Lesser General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Lesser General Public License | |
18 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
19 | ***/ | |
20 | ||
9a6704a8 | 21 | #include <arpa/inet.h> |
07630cea | 22 | #include <libkmod.h> |
9a6704a8 | 23 | #include <linux/ip.h> |
07630cea | 24 | #include <net/if.h> |
9a6704a8 | 25 | #include <linux/if_tunnel.h> |
9a6704a8 | 26 | |
1c4baffc | 27 | #include "sd-netlink.h" |
9a6704a8 | 28 | |
07630cea | 29 | #include "macro.h" |
232ac0d6 | 30 | #include "module-util.h" |
07630cea LP |
31 | #include "util.h" |
32 | ||
9a6704a8 | 33 | static int load_module(const char *mod_name) { |
232ac0d6 ZJS |
34 | _cleanup_(kmod_unrefp) struct kmod_ctx *ctx = NULL; |
35 | _cleanup_(kmod_module_unref_listp) struct kmod_list *list = NULL; | |
36 | struct kmod_list *l; | |
9a6704a8 SS |
37 | int r; |
38 | ||
39 | ctx = kmod_new(NULL, NULL); | |
232ac0d6 ZJS |
40 | if (!ctx) |
41 | return log_oom(); | |
9a6704a8 SS |
42 | |
43 | r = kmod_module_new_from_lookup(ctx, mod_name, &list); | |
44 | if (r < 0) | |
2c3f0bb2 | 45 | return r; |
9a6704a8 SS |
46 | |
47 | kmod_list_foreach(l, list) { | |
232ac0d6 ZJS |
48 | _cleanup_(kmod_module_unrefp) struct kmod_module *mod = NULL; |
49 | ||
50 | mod = kmod_module_get_module(l); | |
9a6704a8 SS |
51 | |
52 | r = kmod_module_probe_insert_module(mod, 0, NULL, NULL, NULL, NULL); | |
2c3f0bb2 ZJS |
53 | if (r > 0) |
54 | r = -EINVAL; | |
9a6704a8 SS |
55 | } |
56 | ||
9a6704a8 SS |
57 | return r; |
58 | } | |
59 | ||
1c4baffc | 60 | static int test_tunnel_configure(sd_netlink *rtnl) { |
9a6704a8 | 61 | int r; |
1c4baffc | 62 | sd_netlink_message *m, *n; |
9a6704a8 SS |
63 | struct in_addr local, remote; |
64 | ||
65 | /* skip test if module cannot be loaded */ | |
66 | r = load_module("ipip"); | |
9ed794a3 | 67 | if (r < 0) |
9a6704a8 SS |
68 | return EXIT_TEST_SKIP; |
69 | ||
9ed794a3 | 70 | if (getuid() != 0) |
9a6704a8 SS |
71 | return EXIT_TEST_SKIP; |
72 | ||
73 | /* IPIP tunnel */ | |
74 | assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0); | |
75 | assert_se(m); | |
76 | ||
1c4baffc TG |
77 | assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0); |
78 | assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, 1234)>= 0); | |
9a6704a8 | 79 | |
1c4baffc | 80 | assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); |
9a6704a8 | 81 | |
1c4baffc | 82 | assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0); |
9a6704a8 SS |
83 | |
84 | inet_pton(AF_INET, "192.168.21.1", &local.s_addr); | |
1c4baffc | 85 | assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); |
9a6704a8 SS |
86 | |
87 | inet_pton(AF_INET, "192.168.21.2", &remote.s_addr); | |
1c4baffc | 88 | assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); |
9a6704a8 | 89 | |
1c4baffc TG |
90 | assert_se(sd_netlink_message_close_container(m) >= 0); |
91 | assert_se(sd_netlink_message_close_container(m) >= 0); | |
9a6704a8 | 92 | |
1c4baffc | 93 | assert_se(sd_netlink_call(rtnl, m, -1, 0) == 1); |
9a6704a8 | 94 | |
1c4baffc | 95 | assert_se((m = sd_netlink_message_unref(m)) == NULL); |
9a6704a8 SS |
96 | |
97 | r = load_module("sit"); | |
9ed794a3 | 98 | if (r < 0) |
9a6704a8 SS |
99 | return EXIT_TEST_SKIP; |
100 | ||
101 | /* sit */ | |
102 | assert_se(sd_rtnl_message_new_link(rtnl, &n, RTM_NEWLINK, 0) >= 0); | |
103 | assert_se(n); | |
104 | ||
1c4baffc TG |
105 | assert_se(sd_netlink_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0); |
106 | assert_se(sd_netlink_message_append_u32(n, IFLA_MTU, 1234)>= 0); | |
9a6704a8 | 107 | |
1c4baffc | 108 | assert_se(sd_netlink_message_open_container(n, IFLA_LINKINFO) >= 0); |
9a6704a8 | 109 | |
1c4baffc | 110 | assert_se(sd_netlink_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0); |
9a6704a8 | 111 | |
1c4baffc | 112 | assert_se(sd_netlink_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0); |
9a6704a8 SS |
113 | |
114 | inet_pton(AF_INET, "192.168.21.3", &local.s_addr); | |
1c4baffc | 115 | assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); |
9a6704a8 SS |
116 | |
117 | inet_pton(AF_INET, "192.168.21.4", &remote.s_addr); | |
1c4baffc | 118 | assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); |
9a6704a8 | 119 | |
1c4baffc TG |
120 | assert_se(sd_netlink_message_close_container(n) >= 0); |
121 | assert_se(sd_netlink_message_close_container(n) >= 0); | |
9a6704a8 | 122 | |
1c4baffc | 123 | assert_se(sd_netlink_call(rtnl, n, -1, 0) == 1); |
9a6704a8 | 124 | |
19fcba36 | 125 | assert_se((n = sd_netlink_message_unref(n)) == NULL); |
9a6704a8 SS |
126 | |
127 | return EXIT_SUCCESS; | |
128 | } | |
129 | ||
130 | int main(int argc, char *argv[]) { | |
1c4baffc | 131 | sd_netlink *rtnl; |
9a6704a8 SS |
132 | int r; |
133 | ||
1c4baffc | 134 | assert_se(sd_netlink_open(&rtnl) >= 0); |
9a6704a8 SS |
135 | assert_se(rtnl); |
136 | ||
137 | r = test_tunnel_configure(rtnl); | |
138 | ||
1c4baffc | 139 | assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); |
9a6704a8 SS |
140 | |
141 | return r; | |
142 | } |