1 /* $NetBSD: t_sockaddr_snprintf.c,v 1.5 2025/09/14 17:20:32 christos Exp $ */ 2 3 /* 4 * Copyright (c) 2002, 2004, 2008, 2010 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code was contributed to The NetBSD Foundation by Christos Zoulas. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __COPYRIGHT("@(#) Copyright (c) 2008, 2010\ 33 The NetBSD Foundation, inc. All rights reserved."); 34 __RCSID("$NetBSD: t_sockaddr_snprintf.c,v 1.5 2025/09/14 17:20:32 christos Exp $"); 35 36 #include <stdio.h> 37 #include <sys/socket.h> /* AF_ */ 38 #include <sys/un.h> /* sun */ 39 40 #include <net/if_dl.h> /* sdl */ 41 #include <netatalk/at.h> /* sat */ 42 #include <netinet/in.h> /* sin/sin6 */ 43 44 #include <netdb.h> 45 #include <string.h> 46 #include <util.h> 47 48 #include <atf-c.h> 49 50 static void 51 make_dl(struct sockaddr_dl *sdl) 52 { 53 memset(sdl, 0, sizeof(*sdl)); 54 sdl->sdl_len = sizeof(*sdl); 55 sdl->sdl_family = AF_LINK; 56 sdl->sdl_index = 0; 57 sdl->sdl_type = 0; 58 sdl->sdl_nlen = 0; 59 sdl->sdl_alen = 6; 60 sdl->sdl_slen = 0; 61 memcpy(sdl->sdl_data, "\01\02\03\04\05\06", 6); 62 } 63 64 static void 65 make_in4(struct sockaddr_in *sin4) 66 { 67 memset(sin4, 0, sizeof(*sin4)); 68 sin4->sin_len = sizeof(*sin4); 69 sin4->sin_family = AF_INET; 70 sin4->sin_port = ntohs(80); 71 sin4->sin_addr.s_addr = ntohl(INADDR_LOOPBACK); 72 } 73 74 #ifdef INET6 75 static void 76 make_in6(struct sockaddr_in6 *sin6) 77 { 78 memset(sin6, 0, sizeof(*sin6)); 79 sin6->sin6_len = sizeof(*sin6); 80 sin6->sin6_family = AF_INET6; 81 sin6->sin6_port = ntohs(80); 82 sin6->sin6_addr = in6addr_nodelocal_allnodes; 83 } 84 #endif 85 86 static void 87 make_at(struct sockaddr_at *sat) 88 { 89 memset(sat, 0, sizeof(*sat)); 90 sat->sat_len = sizeof(*sat); 91 sat->sat_family = AF_APPLETALK; 92 sat->sat_addr.s_net = ntohs(101); 93 sat->sat_addr.s_node = 3; 94 } 95 96 static void 97 make_un(struct sockaddr_un *sun) 98 { 99 memset(sun, 0, sizeof(*sun)); 100 sun->sun_len = sizeof(*sun); 101 sun->sun_family = AF_UNIX; 102 strncpy(sun->sun_path, "/tmp/sock", sizeof(sun->sun_path)); 103 } 104 105 ATF_TC(sockaddr_snprintf_in); 106 ATF_TC_HEAD(sockaddr_snprintf_in, tc) 107 { 108 atf_tc_set_md_var(tc, "descr", 109 "Checks sockaddr_snprintf(3) with sockaddr_in"); 110 } 111 ATF_TC_BODY(sockaddr_snprintf_in, tc) 112 { 113 char buf[1024]; 114 struct sockaddr_in sin4; 115 int i; 116 117 make_in4(&sin4); 118 119 i = sockaddr_snprintf(buf, sizeof(buf), "%f %l %p %a", 120 (struct sockaddr *)&sin4); 121 122 ATF_REQUIRE_EQ_MSG(i, 17, "bad length for sin4"); 123 ATF_REQUIRE_STREQ(buf, "2 16 80 127.0.0.1"); 124 } 125 126 ATF_TC(sockaddr_snprintf_in6); 127 ATF_TC_HEAD(sockaddr_snprintf_in6, tc) 128 { 129 atf_tc_set_md_var(tc, "descr", 130 "Checks sockaddr_snprintf(3) with sockaddr_in6"); 131 } 132 ATF_TC_BODY(sockaddr_snprintf_in6, tc) 133 { 134 #ifdef INET6 135 char buf[1024]; 136 struct sockaddr_in6 sin6; 137 int i; 138 139 make_in6(&sin6); 140 141 i = sockaddr_snprintf(buf, sizeof(buf), "%f %l %p %a", 142 (struct sockaddr *)&sin6); 143 144 ATF_REQUIRE_EQ_MSG(i, 16, "bad length for sin6"); 145 ATF_REQUIRE_STREQ(buf, "24 28 80 ff01::1"); 146 #else 147 atf_tc_skip("Tests built with USE_INET6=no"); 148 #endif /* INET6 */ 149 } 150 151 ATF_TC(sockaddr_snprintf_un); 152 ATF_TC_HEAD(sockaddr_snprintf_un, tc) 153 { 154 atf_tc_set_md_var(tc, "descr", 155 "Checks sockaddr_snprintf(3) with sockaddr_un"); 156 } 157 ATF_TC_BODY(sockaddr_snprintf_un, tc) 158 { 159 char buf[1024]; 160 struct sockaddr_un sun; 161 int i; 162 163 make_un(&sun); 164 165 i = sockaddr_snprintf(buf, sizeof(buf), "%f %l %a", 166 (struct sockaddr *)&sun); 167 168 ATF_REQUIRE_EQ_MSG(i, 15, "bad length for sun"); 169 ATF_REQUIRE_STREQ(buf, "1 106 /tmp/sock"); 170 } 171 172 ATF_TC(sockaddr_snprintf_at); 173 ATF_TC_HEAD(sockaddr_snprintf_at, tc) 174 { 175 atf_tc_set_md_var(tc, "descr", 176 "Checks sockaddr_snprintf(3) with sockaddr_at"); 177 } 178 ATF_TC_BODY(sockaddr_snprintf_at, tc) 179 { 180 char buf[1024]; 181 struct sockaddr_at sat; 182 int i; 183 184 make_at(&sat); 185 186 i = sockaddr_snprintf(buf, sizeof(buf), "%f %l %a", 187 (struct sockaddr *)&sat); 188 189 ATF_REQUIRE_EQ_MSG(i, 11, "bad length for sat"); 190 ATF_REQUIRE_STREQ(buf, "16 16 101.3"); 191 } 192 193 ATF_TC(sockaddr_snprintf_dl); 194 ATF_TC_HEAD(sockaddr_snprintf_dl, tc) 195 { 196 atf_tc_set_md_var(tc, "descr", 197 "Checks sockaddr_snprintf(3) with sockaddr_dl"); 198 } 199 ATF_TC_BODY(sockaddr_snprintf_dl, tc) 200 { 201 char buf[1024]; 202 struct sockaddr_dl sdl; 203 int i; 204 205 make_dl(&sdl); 206 207 i = sockaddr_snprintf(buf, sizeof(buf), "%f %l %a", 208 (struct sockaddr *)&sdl); 209 210 ATF_REQUIRE_EQ_MSG(i, 17, "bad length for sdl"); 211 ATF_REQUIRE_STREQ(buf, "18 32 1.2.3.4.5.6"); 212 } 213 214 215 ATF_TC(sockaddr_snprintf_generic); 216 ATF_TC_HEAD(sockaddr_snprintf_generic, tc) 217 { 218 atf_tc_set_md_var(tc, "descr", 219 "Checks sockaddr_snprintf(3) with generic args"); 220 } 221 ATF_TC_BODY(sockaddr_snprintf_generic, tc) 222 { 223 char buf[1024]; 224 struct sockaddr_at sat; 225 struct sockaddr_dl sdl; 226 struct sockaddr_un sun; 227 struct sockaddr_in sin4; 228 struct sockaddr_in6 sin6; 229 struct addrinfo *res; 230 int i; 231 232 233 #define CHECK(a, b) \ 234 ATF_REQUIRE_EQ_MSG(i, (a), "bad length"); \ 235 ATF_REQUIRE_STREQ(buf, (b)) 236 237 make_dl(&sdl); 238 i = sockaddr_snprintf(buf, sizeof(buf), "%n", 239 (struct sockaddr *)&sdl); 240 CHECK(11, "1.2.3.4.5.6"); 241 242 make_in6(&sin6); 243 i = sockaddr_snprintf(buf, sizeof(buf), "%n", 244 (struct sockaddr *)&sin6); 245 CHECK(12, "[ff01::1]:80"); 246 247 make_in4(&sin4); 248 i = sockaddr_snprintf(buf, sizeof(buf), "%n", 249 (struct sockaddr *)&sin4); 250 CHECK(12, "127.0.0.1:80"); 251 252 make_at(&sat); 253 i = sockaddr_snprintf(buf, sizeof(buf), "%n", 254 (struct sockaddr *)&sat); 255 CHECK(7, "101.3:0"); 256 257 make_un(&sun); 258 i = sockaddr_snprintf(buf, sizeof(buf), "%n", 259 (struct sockaddr *)&sun); 260 CHECK(9, "/tmp/sock"); 261 262 if (getaddrinfo("morden.netbsd.org", "https", NULL, &res) == 0) { 263 for (struct addrinfo *ai = res; ai; ai = ai->ai_next) { 264 i = sockaddr_snprintf(buf, sizeof(buf), "%N", 265 ai->ai_addr); 266 if (strcmp(buf, "morden.netbsd.org:https") == 0 || 267 strcmp(buf, "ftp.NetBSD.org:https") == 0) 268 continue; 269 fprintf(stderr, "Unexpected %s\n", buf); 270 } 271 freeaddrinfo(res); 272 } 273 } 274 275 ATF_TP_ADD_TCS(tp) 276 { 277 278 ATF_TP_ADD_TC(tp, sockaddr_snprintf_in); 279 ATF_TP_ADD_TC(tp, sockaddr_snprintf_in6); 280 ATF_TP_ADD_TC(tp, sockaddr_snprintf_un); 281 ATF_TP_ADD_TC(tp, sockaddr_snprintf_at); 282 ATF_TP_ADD_TC(tp, sockaddr_snprintf_dl); 283 ATF_TP_ADD_TC(tp, sockaddr_snprintf_generic); 284 285 return atf_no_error(); 286 } 287