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      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