xref: /freebsd/contrib/netbsd-tests/sys/net/t_print.c (revision a7623790fb345e6dc986dfd31df0ace115e6f2e4)
1 /*	$NetBSD: t_print.c,v 1.2 2016/08/27 11:30:49 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Christos Zoulas.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 #include <sys/cdefs.h>
32 __RCSID("$NetBSD: t_print.c,v 1.2 2016/08/27 11:30:49 christos Exp $");
33 
34 #include "net/dl_print.c"
35 
36 #include <atf-c.h>
37 
38 static const struct {
39 	struct dl_addr ia;
40 	const char *str;
41 	int len;
42 } tst[] = {
43 	{
44 		{
45 			.dl_type = 6,
46 			.dl_nlen = 0,
47 			.dl_alen = 6,
48 			.dl_slen = 0,
49 			.dl_data = {
50 			    (char)0x01, (char)0xa2, (char)0x03,
51 			    (char)0xc4, (char)0x05, (char)0xf6,
52 			},
53 		},
54 		"/6#01:a2:03:c4:05:f6",
55 		20,
56 	},
57 	{
58 		{
59 			.dl_type = 24,
60 			.dl_nlen = 3,
61 			.dl_alen = 6,
62 			.dl_slen = 0,
63 			.dl_data = {
64 			    'l', 'o', '0',
65 			    (char)0x11, (char)0x22, (char)0x33,
66 			    (char)0x44, (char)0x55, (char)0x66,
67 			},
68 		},
69 		"lo0/24#11:22:33:44:55:66",
70 		24,
71 	},
72 	{
73 		{
74 			.dl_type = 24,
75 			.dl_nlen = 7,
76 			.dl_alen = 1,
77 			.dl_slen = 0,
78 			.dl_data = {
79 			    'n', 'p', 'f', 'l', 'o', 'g', '0', (char)0xa5,
80 			},
81 		},
82 		"npflog0/24#a5",
83 		13,
84 	},
85 	{
86 		{
87 			.dl_type = 0,
88 			.dl_nlen = 0,
89 			.dl_alen = 0,
90 			.dl_slen = 0,
91 			.dl_data = {
92 			    '\0'
93 			},
94 		},
95 		"/0#",
96 		3,
97 	},
98 };
99 
100 
101 ATF_TC(dl_print);
102 ATF_TC_HEAD(dl_print, tc)
103 {
104 
105 	atf_tc_set_md_var(tc, "descr", "printing of link address");
106 }
107 
108 ATF_TC_BODY(dl_print, tc)
109 {
110 	char buf[LINK_ADDRSTRLEN];
111 	int r;
112 	size_t l = sizeof(buf);
113 
114 	for (size_t i = 0; i < __arraycount(tst); i++) {
115 		r = dl_print(buf, l, &tst[i].ia);
116 		ATF_REQUIRE_STREQ(buf, tst[i].str);
117 		ATF_REQUIRE_EQ(r, tst[i].len);
118 	}
119 
120 	l = 4;
121 	for (size_t i = 0; i < __arraycount(tst); i++) {
122 		r = dl_print(buf, l, &tst[i].ia);
123 		ATF_CHECK(strncmp(buf, tst[i].str, l - 1) == 0);
124 		if (r > (int)l)
125 			ATF_REQUIRE_EQ(buf[l - 1], '\0');
126 		ATF_REQUIRE_EQ(r, tst[i].len);
127 	}
128 }
129 
130 ATF_TC(sdl_print);
131 ATF_TC_HEAD(sdl_print, tc)
132 {
133 
134 	atf_tc_set_md_var(tc, "descr", "printing of sockaddr_dl");
135 }
136 
137 ATF_TC_BODY(sdl_print, tc)
138 {
139 	char buf[1024];
140 	char res[1024];
141 	int r, e;
142 	size_t l = sizeof(buf);
143 	struct sockaddr_dl sdl;
144 
145 	memset(&sdl, 0, sizeof(sdl));
146 	for (size_t i = 0; i < __arraycount(tst); i++) {
147 		memcpy(&sdl.sdl_addr, &tst[i].ia, sizeof(sdl.sdl_addr));
148 		sdl.sdl_index = (uint16_t)i;
149 		r = sdl_print(buf, l, &sdl);
150 		if (i == 3)
151 			e = snprintf(res, l, "link#%zu", i);
152 		else
153 			e = snprintf(res, l, "[%s]:%zu", tst[i].str, i);
154 		ATF_REQUIRE_STREQ(buf, res);
155 		ATF_REQUIRE_EQ(r, e);
156 	}
157 
158 	l = 8;
159 	for (size_t i = 0; i < __arraycount(tst); i++) {
160 		memcpy(&sdl.sdl_addr, &tst[i].ia, sizeof(sdl.sdl_addr));
161 		sdl.sdl_index = (uint16_t)i;
162 		r = sdl_print(buf, l, &sdl);
163 		if (i == 3)
164 			e = snprintf(res, l, "link#%zu", i);
165 		else
166 			e = snprintf(res, l, "[%s]:%zu", tst[i].str, i);
167 		ATF_REQUIRE_STREQ(buf, res);
168 		ATF_REQUIRE_EQ(r, e);
169 	}
170 }
171 
172 ATF_TP_ADD_TCS(tp)
173 {
174 
175 	ATF_TP_ADD_TC(tp, dl_print);
176 	ATF_TP_ADD_TC(tp, sdl_print);
177 	return atf_no_error();
178 }
179