1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
|
/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
Copyright (C) 2014 Axis Communications AB. All rights reserved.
***/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include "sd-ipv4ll.h"
#include "arp-util.h"
#include "fd-util.h"
#include "socket-util.h"
#include "util.h"
static bool verbose = false;
static bool extended = false;
static int test_fd[2];
static int basic_request_handler_bind = 0;
static int basic_request_handler_stop = 0;
static void* basic_request_handler_userdata = (void*) 0xCABCAB;
static void basic_request_handler(sd_ipv4ll *ll, int event, void *userdata) {
assert_se(userdata == basic_request_handler_userdata);
switch(event) {
case SD_IPV4LL_EVENT_STOP:
basic_request_handler_stop = 1;
break;
case SD_IPV4LL_EVENT_BIND:
basic_request_handler_bind = 1;
break;
default:
assert_se(0);
break;
}
}
static int arp_network_send_raw_socket(int fd, int ifindex,
const struct ether_arp *arp) {
assert_se(arp);
assert_se(ifindex > 0);
assert_se(fd >= 0);
if (send(fd, arp, sizeof(struct ether_arp), 0) < 0)
return -errno;
return 0;
}
int arp_send_probe(int fd, int ifindex,
be32_t pa, const struct ether_addr *ha) {
struct ether_arp ea = {};
assert_se(fd >= 0);
assert_se(ifindex > 0);
assert_se(pa != 0);
assert_se(ha);
return arp_network_send_raw_socket(fd, ifindex, &ea);
}
int arp_send_announcement(int fd, int ifindex,
be32_t pa, const struct ether_addr *ha) {
struct ether_arp ea = {};
assert_se(fd >= 0);
assert_se(ifindex > 0);
assert_se(pa != 0);
assert_se(ha);
return arp_network_send_raw_socket(fd, ifindex, &ea);
}
int arp_network_bind_raw_socket(int index, be32_t address, const struct ether_addr *eth_mac) {
if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, test_fd) < 0)
return -errno;
return test_fd[0];
}
static void test_public_api_setters(sd_event *e) {
struct in_addr address = {};
uint64_t seed = 0;
sd_ipv4ll *ll;
struct ether_addr mac_addr = {
.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}};
if (verbose)
printf("* %s\n", __FUNCTION__);
assert_se(sd_ipv4ll_new(&ll) == 0);
assert_se(ll);
assert_se(sd_ipv4ll_attach_event(NULL, NULL, 0) == -EINVAL);
assert_se(sd_ipv4ll_attach_event(ll, e, 0) == 0);
assert_se(sd_ipv4ll_attach_event(ll, e, 0) == -EBUSY);
assert_se(sd_ipv4ll_set_callback(NULL, NULL, NULL) == -EINVAL);
assert_se(sd_ipv4ll_set_callback(ll, NULL, NULL) == 0);
assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
address.s_addr |= htobe32(169U << 24 | 254U << 16);
assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
address.s_addr |= htobe32(0x00FF);
assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
address.s_addr |= htobe32(0xF000);
assert_se(sd_ipv4ll_set_address(ll, &address) == 0);
address.s_addr |= htobe32(0x0F00);
assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
assert_se(sd_ipv4ll_set_address_seed(NULL, seed) == -EINVAL);
assert_se(sd_ipv4ll_set_address_seed(ll, seed) == 0);
assert_se(sd_ipv4ll_set_mac(NULL, NULL) == -EINVAL);
assert_se(sd_ipv4ll_set_mac(ll, NULL) == -EINVAL);
assert_se(sd_ipv4ll_set_mac(ll, &mac_addr) == 0);
assert_se(sd_ipv4ll_set_ifindex(NULL, -1) == -EINVAL);
assert_se(sd_ipv4ll_set_ifindex(ll, -1) == -EINVAL);
assert_se(sd_ipv4ll_set_ifindex(ll, -99) == -EINVAL);
assert_se(sd_ipv4ll_set_ifindex(ll, 1) == 0);
assert_se(sd_ipv4ll_set_ifindex(ll, 99) == 0);
assert_se(sd_ipv4ll_ref(ll) == ll);
assert_se(sd_ipv4ll_unref(ll) == NULL);
/* Cleanup */
assert_se(sd_ipv4ll_unref(ll) == NULL);
}
static void test_basic_request(sd_event *e) {
sd_ipv4ll *ll;
struct ether_arp arp;
struct ether_addr mac_addr = {
.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}};
if (verbose)
printf("* %s\n", __FUNCTION__);
assert_se(sd_ipv4ll_new(&ll) == 0);
assert_se(sd_ipv4ll_start(ll) == -EINVAL);
assert_se(sd_ipv4ll_attach_event(ll, e, 0) == 0);
assert_se(sd_ipv4ll_start(ll) == -EINVAL);
assert_se(sd_ipv4ll_set_mac(ll, &mac_addr) == 0);
assert_se(sd_ipv4ll_start(ll) == -EINVAL);
assert_se(sd_ipv4ll_set_callback(ll, basic_request_handler,
basic_request_handler_userdata) == 0);
assert_se(sd_ipv4ll_start(ll) == -EINVAL);
assert_se(sd_ipv4ll_set_ifindex(ll, 1) == 0);
assert_se(sd_ipv4ll_start(ll) == 0);
sd_event_run(e, (uint64_t) -1);
assert_se(sd_ipv4ll_start(ll) == -EBUSY);
assert_se(sd_ipv4ll_is_running(ll));
/* PROBE */
sd_event_run(e, (uint64_t) -1);
assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
if (extended) {
/* PROBE */
sd_event_run(e, (uint64_t) -1);
assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
/* PROBE */
sd_event_run(e, (uint64_t) -1);
assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
sd_event_run(e, (uint64_t) -1);
assert_se(basic_request_handler_bind == 1);
}
sd_ipv4ll_stop(ll);
assert_se(basic_request_handler_stop == 1);
/* Cleanup */
assert_se(sd_ipv4ll_unref(ll) == NULL);
safe_close(test_fd[1]);
}
int main(int argc, char *argv[]) {
_cleanup_(sd_event_unrefp) sd_event *e = NULL;
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
assert_se(sd_event_new(&e) >= 0);
test_public_api_setters(e);
test_basic_request(e);
return 0;
}
|
