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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 (C) 2014 Intel Corporation. All rights reserved. | |
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 | ||
22 | #include <netinet/icmp6.h> | |
23 | ||
07630cea | 24 | #include "sd-ndisc.h" |
f20a35cc | 25 | |
940367a0 | 26 | #include "icmp6-util.h" |
07630cea | 27 | #include "socket-util.h" |
f20a35cc PF |
28 | |
29 | static struct ether_addr mac_addr = { | |
30 | .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'} | |
31 | }; | |
32 | ||
33 | static bool verbose = false; | |
34 | static sd_event_source *test_hangcheck; | |
35 | static int test_fd[2]; | |
36 | ||
99af546d PF |
37 | typedef int (*send_ra_t)(uint8_t flags); |
38 | static send_ra_t send_ra_function; | |
39 | ||
f20a35cc PF |
40 | static int test_rs_hangcheck(sd_event_source *s, uint64_t usec, |
41 | void *userdata) { | |
787784c4 | 42 | assert_se(false); |
f20a35cc PF |
43 | |
44 | return 0; | |
45 | } | |
46 | ||
940367a0 | 47 | int icmp6_bind_router_solicitation(int index) { |
787784c4 | 48 | assert_se(index == 42); |
f20a35cc PF |
49 | |
50 | if (socketpair(AF_UNIX, SOCK_DGRAM, 0, test_fd) < 0) | |
51 | return -errno; | |
52 | ||
53 | return test_fd[0]; | |
54 | } | |
55 | ||
56 | static int send_ra(uint8_t flags) { | |
57 | uint8_t advertisement[] = { | |
58 | 0x86, 0x00, 0xde, 0x83, 0x40, 0xc0, 0x00, 0xb4, | |
59 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
60 | 0x03, 0x04, 0x40, 0xc0, 0x00, 0x00, 0x01, 0xf4, | |
61 | 0x00, 0x00, 0x01, 0xb8, 0x00, 0x00, 0x00, 0x00, | |
62 | 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, | |
63 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
64 | 0x19, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, | |
65 | 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, | |
66 | 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, | |
67 | 0x1f, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3c, | |
68 | 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, | |
69 | 0x72, 0x61, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, | |
70 | 0x01, 0x01, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53, | |
71 | }; | |
72 | ||
73 | advertisement[5] = flags; | |
74 | ||
787784c4 | 75 | assert_se(write(test_fd[1], advertisement, sizeof(advertisement)) == |
f20a35cc PF |
76 | sizeof(advertisement)); |
77 | ||
78 | if (verbose) | |
79 | printf(" sent RA with flag 0x%02x\n", flags); | |
80 | ||
81 | return 0; | |
82 | } | |
83 | ||
940367a0 | 84 | int icmp6_send_router_solicitation(int s, const struct ether_addr *ether_addr) { |
99af546d | 85 | return send_ra_function(0); |
f20a35cc PF |
86 | } |
87 | ||
9d96e6c3 | 88 | static void test_rs_done(sd_ndisc *nd, uint8_t flags, const struct in6_addr *gateway, unsigned lifetime, int pref, void *userdata) { |
f20a35cc | 89 | sd_event *e = userdata; |
cb53894d | 90 | static unsigned idx = 0; |
9d96e6c3 TG |
91 | uint8_t flags_array[] = { |
92 | 0, | |
93 | 0, | |
94 | 0, | |
95 | ND_RA_FLAG_OTHER, | |
96 | ND_RA_FLAG_MANAGED | |
f20a35cc | 97 | }; |
8d7f2c6a PF |
98 | uint32_t mtu; |
99 | ||
787784c4 | 100 | assert_se(nd); |
f20a35cc | 101 | |
9d96e6c3 | 102 | assert_se(flags == flags_array[idx]); |
f20a35cc PF |
103 | idx++; |
104 | ||
105 | if (verbose) | |
9d96e6c3 | 106 | printf(" got event 0x%02x\n", flags); |
f20a35cc | 107 | |
9d96e6c3 TG |
108 | if (idx < ELEMENTSOF(flags_array)) { |
109 | send_ra(flags_array[idx]); | |
8d7f2c6a PF |
110 | return; |
111 | } | |
112 | ||
4d7b83da | 113 | assert_se(sd_ndisc_get_mtu(nd, &mtu) == -ENOMSG); |
8d7f2c6a PF |
114 | |
115 | sd_event_exit(e, 0); | |
f20a35cc PF |
116 | } |
117 | ||
99af546d PF |
118 | static void test_rs(void) { |
119 | sd_event *e; | |
4d7b83da | 120 | sd_ndisc *nd; |
99af546d | 121 | usec_t time_now = now(clock_boottime_or_monotonic()); |
f20a35cc PF |
122 | |
123 | if (verbose) | |
124 | printf("* %s\n", __FUNCTION__); | |
125 | ||
99af546d PF |
126 | send_ra_function = send_ra; |
127 | ||
128 | assert_se(sd_event_new(&e) >= 0); | |
129 | ||
4d7b83da | 130 | assert_se(sd_ndisc_new(&nd) >= 0); |
787784c4 | 131 | assert_se(nd); |
f20a35cc | 132 | |
4d7b83da | 133 | assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0); |
f20a35cc | 134 | |
4d7b83da TG |
135 | assert_se(sd_ndisc_set_index(nd, 42) >= 0); |
136 | assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0); | |
9d96e6c3 | 137 | assert_se(sd_ndisc_set_callback(nd, test_rs_done, NULL, NULL, NULL, e) >= 0); |
f20a35cc | 138 | |
787784c4 | 139 | assert_se(sd_event_add_time(e, &test_hangcheck, clock_boottime_or_monotonic(), |
f20a35cc PF |
140 | time_now + 2 *USEC_PER_SEC, 0, |
141 | test_rs_hangcheck, NULL) >= 0); | |
142 | ||
4d7b83da TG |
143 | assert_se(sd_ndisc_stop(nd) >= 0); |
144 | assert_se(sd_ndisc_router_discovery_start(nd) >= 0); | |
145 | assert_se(sd_ndisc_stop(nd) >= 0); | |
836cf090 | 146 | |
4d7b83da | 147 | assert_se(sd_ndisc_router_discovery_start(nd) >= 0); |
f20a35cc PF |
148 | |
149 | sd_event_loop(e); | |
150 | ||
151 | test_hangcheck = sd_event_source_unref(test_hangcheck); | |
152 | ||
4d7b83da | 153 | nd = sd_ndisc_unref(nd); |
787784c4 | 154 | assert_se(!nd); |
f20a35cc | 155 | |
f20a35cc | 156 | close(test_fd[1]); |
99af546d PF |
157 | |
158 | sd_event_unref(e); | |
f20a35cc PF |
159 | } |
160 | ||
161 | int main(int argc, char *argv[]) { | |
f20a35cc PF |
162 | |
163 | log_set_max_level(LOG_DEBUG); | |
164 | log_parse_environment(); | |
165 | log_open(); | |
166 | ||
99af546d | 167 | test_rs(); |
f20a35cc PF |
168 | |
169 | return 0; | |
170 | } |