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9a6704a8 SS |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2014 Susant Sahani | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
9a6704a8 | 20 | #include <arpa/inet.h> |
07630cea | 21 | #include <libkmod.h> |
9a6704a8 | 22 | #include <linux/ip.h> |
07630cea | 23 | #include <net/if.h> |
9a6704a8 | 24 | #include <linux/if_tunnel.h> |
9a6704a8 | 25 | |
1c4baffc | 26 | #include "sd-netlink.h" |
9a6704a8 | 27 | |
07630cea | 28 | #include "macro.h" |
232ac0d6 | 29 | #include "module-util.h" |
07630cea LP |
30 | #include "util.h" |
31 | ||
9a6704a8 | 32 | static int load_module(const char *mod_name) { |
232ac0d6 ZJS |
33 | _cleanup_(kmod_unrefp) struct kmod_ctx *ctx = NULL; |
34 | _cleanup_(kmod_module_unref_listp) struct kmod_list *list = NULL; | |
35 | struct kmod_list *l; | |
9a6704a8 SS |
36 | int r; |
37 | ||
38 | ctx = kmod_new(NULL, NULL); | |
232ac0d6 ZJS |
39 | if (!ctx) |
40 | return log_oom(); | |
9a6704a8 SS |
41 | |
42 | r = kmod_module_new_from_lookup(ctx, mod_name, &list); | |
43 | if (r < 0) | |
44 | return -1; | |
45 | ||
46 | kmod_list_foreach(l, list) { | |
232ac0d6 ZJS |
47 | _cleanup_(kmod_module_unrefp) struct kmod_module *mod = NULL; |
48 | ||
49 | mod = kmod_module_get_module(l); | |
9a6704a8 SS |
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; | |
9a6704a8 SS |
56 | } |
57 | ||
9a6704a8 SS |
58 | return r; |
59 | } | |
60 | ||
1c4baffc | 61 | static int test_tunnel_configure(sd_netlink *rtnl) { |
9a6704a8 | 62 | int r; |
1c4baffc | 63 | sd_netlink_message *m, *n; |
9a6704a8 SS |
64 | struct in_addr local, remote; |
65 | ||
66 | /* skip test if module cannot be loaded */ | |
67 | r = load_module("ipip"); | |
9ed794a3 | 68 | if (r < 0) |
9a6704a8 SS |
69 | return EXIT_TEST_SKIP; |
70 | ||
9ed794a3 | 71 | if (getuid() != 0) |
9a6704a8 SS |
72 | return EXIT_TEST_SKIP; |
73 | ||
74 | /* IPIP tunnel */ | |
75 | assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0); | |
76 | assert_se(m); | |
77 | ||
1c4baffc TG |
78 | assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "ipip-tunnel") >= 0); |
79 | assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, 1234)>= 0); | |
9a6704a8 | 80 | |
1c4baffc | 81 | assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); |
9a6704a8 | 82 | |
1c4baffc | 83 | assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "ipip") >= 0); |
9a6704a8 SS |
84 | |
85 | inet_pton(AF_INET, "192.168.21.1", &local.s_addr); | |
1c4baffc | 86 | assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); |
9a6704a8 SS |
87 | |
88 | inet_pton(AF_INET, "192.168.21.2", &remote.s_addr); | |
1c4baffc | 89 | assert_se(sd_netlink_message_append_u32(m, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); |
9a6704a8 | 90 | |
1c4baffc TG |
91 | assert_se(sd_netlink_message_close_container(m) >= 0); |
92 | assert_se(sd_netlink_message_close_container(m) >= 0); | |
9a6704a8 | 93 | |
1c4baffc | 94 | assert_se(sd_netlink_call(rtnl, m, -1, 0) == 1); |
9a6704a8 | 95 | |
1c4baffc | 96 | assert_se((m = sd_netlink_message_unref(m)) == NULL); |
9a6704a8 SS |
97 | |
98 | r = load_module("sit"); | |
9ed794a3 | 99 | if (r < 0) |
9a6704a8 SS |
100 | return EXIT_TEST_SKIP; |
101 | ||
102 | /* sit */ | |
103 | assert_se(sd_rtnl_message_new_link(rtnl, &n, RTM_NEWLINK, 0) >= 0); | |
104 | assert_se(n); | |
105 | ||
1c4baffc TG |
106 | assert_se(sd_netlink_message_append_string(n, IFLA_IFNAME, "sit-tunnel") >= 0); |
107 | assert_se(sd_netlink_message_append_u32(n, IFLA_MTU, 1234)>= 0); | |
9a6704a8 | 108 | |
1c4baffc | 109 | assert_se(sd_netlink_message_open_container(n, IFLA_LINKINFO) >= 0); |
9a6704a8 | 110 | |
1c4baffc | 111 | assert_se(sd_netlink_message_open_container_union(n, IFLA_INFO_DATA, "sit") >= 0); |
9a6704a8 | 112 | |
1c4baffc | 113 | assert_se(sd_netlink_message_append_u8(n, IFLA_IPTUN_PROTO, IPPROTO_IPIP) >= 0); |
9a6704a8 SS |
114 | |
115 | inet_pton(AF_INET, "192.168.21.3", &local.s_addr); | |
1c4baffc | 116 | assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_LOCAL, local.s_addr) >= 0); |
9a6704a8 SS |
117 | |
118 | inet_pton(AF_INET, "192.168.21.4", &remote.s_addr); | |
1c4baffc | 119 | assert_se(sd_netlink_message_append_u32(n, IFLA_IPTUN_REMOTE, remote.s_addr) >= 0); |
9a6704a8 | 120 | |
1c4baffc TG |
121 | assert_se(sd_netlink_message_close_container(n) >= 0); |
122 | assert_se(sd_netlink_message_close_container(n) >= 0); | |
9a6704a8 | 123 | |
1c4baffc | 124 | assert_se(sd_netlink_call(rtnl, n, -1, 0) == 1); |
9a6704a8 | 125 | |
19fcba36 | 126 | assert_se((n = sd_netlink_message_unref(n)) == NULL); |
9a6704a8 SS |
127 | |
128 | return EXIT_SUCCESS; | |
129 | } | |
130 | ||
131 | int main(int argc, char *argv[]) { | |
1c4baffc | 132 | sd_netlink *rtnl; |
9a6704a8 SS |
133 | int r; |
134 | ||
1c4baffc | 135 | assert_se(sd_netlink_open(&rtnl) >= 0); |
9a6704a8 SS |
136 | assert_se(rtnl); |
137 | ||
138 | r = test_tunnel_configure(rtnl); | |
139 | ||
1c4baffc | 140 | assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); |
9a6704a8 SS |
141 | |
142 | return r; | |
143 | } |