1 /* $NetBSD: t_rpc.c,v 1.9 2015/11/27 13:59:40 christos Exp $ */ 2 3 #include <sys/cdefs.h> 4 __RCSID("$NetBSD: t_rpc.c,v 1.9 2015/11/27 13:59:40 christos Exp $"); 5 6 #include <sys/types.h> 7 #include <sys/socket.h> 8 #include <rpc/rpc.h> 9 #include <stdlib.h> 10 #include <string.h> 11 #include <err.h> 12 #include <netdb.h> 13 #include <stdio.h> 14 #include <errno.h> 15 #include <unistd.h> 16 17 #ifndef TEST 18 #include <atf-c.h> 19 20 #define ERRX(ev, msg, ...) ATF_REQUIRE_MSG(0, msg, __VA_ARGS__) 21 22 #define SKIPX(ev, msg, ...) do { \ 23 atf_tc_skip(msg, __VA_ARGS__); \ 24 return; \ 25 } while(/*CONSTCOND*/0) 26 27 #ifdef __FreeBSD__ 28 #define SKIPXI(ev, msg, ...) do { \ 29 atf_tc_skip(msg, __VA_ARGS__); \ 30 return ev; \ 31 } while(/*CONSTCOND*/0) 32 #endif 33 34 #else 35 #define ERRX(ev, msg, ...) errx(ev, msg, __VA_ARGS__) 36 #define SKIPX(ev, msg, ...) errx(ev, msg, __VA_ARGS__) 37 #endif 38 39 #ifdef DEBUG 40 #define DPRINTF(...) printf(__VA_ARGS__) 41 #else 42 #define DPRINTF(...) 43 #endif 44 45 46 #define RPCBPROC_NULL 0 47 48 static int 49 reply(caddr_t replyp, struct netbuf * raddrp, struct netconfig * nconf) 50 { 51 char host[NI_MAXHOST]; 52 struct sockaddr *sock = raddrp->buf; 53 int error; 54 55 56 error = getnameinfo(sock, sock->sa_len, host, sizeof(host), NULL, 0, 0); 57 if (error) 58 warnx("Cannot resolve address (%s)", gai_strerror(error)); 59 else 60 printf("response from: %s\n", host); 61 return 0; 62 } 63 64 #ifdef __FreeBSD__ 65 #define __rpc_control rpc_control 66 #endif 67 68 extern bool_t __rpc_control(int, void *); 69 70 static void 71 onehost(const char *host, const char *transp) 72 { 73 CLIENT *clnt; 74 struct netbuf addr; 75 struct timeval tv; 76 77 /* 78 * Magic! 79 */ 80 tv.tv_sec = 0; 81 tv.tv_usec = 500000; 82 #define CLCR_SET_RPCB_TIMEOUT 2 83 __rpc_control(CLCR_SET_RPCB_TIMEOUT, &tv); 84 85 if ((clnt = clnt_create(host, RPCBPROG, RPCBVERS, transp)) == NULL) 86 SKIPX(EXIT_FAILURE, "clnt_create (%s)", clnt_spcreateerror("")); 87 88 tv.tv_sec = 1; 89 tv.tv_usec = 0; 90 #ifdef __FreeBSD__ 91 if (clnt_call(clnt, RPCBPROC_NULL, (xdrproc_t)xdr_void, NULL, 92 (xdrproc_t)xdr_void, NULL, tv) 93 != RPC_SUCCESS) 94 #else 95 if (clnt_call(clnt, RPCBPROC_NULL, xdr_void, NULL, xdr_void, NULL, tv) 96 != RPC_SUCCESS) 97 #endif 98 ERRX(EXIT_FAILURE, "clnt_call (%s)", clnt_sperror(clnt, "")); 99 clnt_control(clnt, CLGET_SVC_ADDR, (char *) &addr); 100 reply(NULL, &addr, NULL); 101 } 102 103 #define PROGNUM 0x81 104 #define VERSNUM 0x01 105 #define PLUSONE 1 106 #define DESTROY 2 107 108 static struct timeval tout = {1, 0}; 109 110 static void 111 server(struct svc_req *rqstp, SVCXPRT *transp) 112 { 113 int num; 114 115 DPRINTF("Starting server\n"); 116 117 switch (rqstp->rq_proc) { 118 case NULLPROC: 119 if (!svc_sendreply(transp, (xdrproc_t)xdr_void, NULL)) 120 ERRX(EXIT_FAILURE, "svc_sendreply failed %d", 0); 121 return; 122 case PLUSONE: 123 break; 124 case DESTROY: 125 if (!svc_sendreply(transp, (xdrproc_t)xdr_void, NULL)) 126 ERRX(EXIT_FAILURE, "svc_sendreply failed %d", 0); 127 svc_destroy(transp); 128 exit(0); 129 default: 130 svcerr_noproc(transp); 131 return; 132 } 133 134 if (!svc_getargs(transp, (xdrproc_t)xdr_int, (void *)&num)) { 135 svcerr_decode(transp); 136 return; 137 } 138 DPRINTF("About to increment\n"); 139 num++; 140 if (!svc_sendreply(transp, (xdrproc_t)xdr_int, (void *)&num)) 141 ERRX(EXIT_FAILURE, "svc_sendreply failed %d", 1); 142 DPRINTF("Leaving server procedure.\n"); 143 } 144 145 static int 146 rawtest(const char *arg) 147 { 148 CLIENT *clnt; 149 SVCXPRT *svc; 150 int num, resp; 151 enum clnt_stat rv; 152 153 if (arg) 154 num = atoi(arg); 155 else 156 num = 0; 157 158 svc = svc_raw_create(); 159 if (svc == NULL) 160 ERRX(EXIT_FAILURE, "Cannot create server %d", num); 161 if (!svc_reg(svc, PROGNUM, VERSNUM, server, NULL)) 162 ERRX(EXIT_FAILURE, "Cannot register server %d", num); 163 164 clnt = clnt_raw_create(PROGNUM, VERSNUM); 165 if (clnt == NULL) 166 ERRX(EXIT_FAILURE, "%s", 167 clnt_spcreateerror("clnt_raw_create")); 168 rv = clnt_call(clnt, PLUSONE, (xdrproc_t)xdr_int, (void *)&num, 169 (xdrproc_t)xdr_int, (void *)&resp, tout); 170 if (rv != RPC_SUCCESS) 171 ERRX(EXIT_FAILURE, "clnt_call: %s", clnt_sperrno(rv)); 172 DPRINTF("Got %d\n", resp); 173 clnt_destroy(clnt); 174 svc_destroy(svc); 175 if (++num != resp) 176 ERRX(EXIT_FAILURE, "expected %d got %d", num, resp); 177 178 return EXIT_SUCCESS; 179 } 180 181 static int 182 regtest(const char *hostname, const char *transp, const char *arg, int p) 183 { 184 CLIENT *clnt; 185 int num, resp; 186 enum clnt_stat rv; 187 pid_t pid; 188 189 if (arg) 190 num = atoi(arg); 191 else 192 num = 0; 193 194 #ifdef __NetBSD__ 195 svc_fdset_init(p ? SVC_FDSET_POLL : 0); 196 #endif 197 if (!svc_create(server, PROGNUM, VERSNUM, transp)) 198 #ifdef __NetBSD__ 199 ERRX(EXIT_FAILURE, "Cannot create server %d", num); 200 #else 201 { 202 SKIPXI(EXIT_FAILURE, "Cannot create server %d", num); 203 } 204 #endif 205 206 switch ((pid = fork())) { 207 case 0: 208 DPRINTF("Calling svc_run\n"); 209 svc_run(); 210 ERRX(EXIT_FAILURE, "svc_run returned %d!", num); 211 case -1: 212 ERRX(EXIT_FAILURE, "Fork failed (%s)", strerror(errno)); 213 default: 214 sleep(1); 215 break; 216 } 217 218 DPRINTF("Initializing client\n"); 219 clnt = clnt_create(hostname, PROGNUM, VERSNUM, transp); 220 if (clnt == NULL) 221 ERRX(EXIT_FAILURE, "%s", 222 clnt_spcreateerror("clnt_raw_create")); 223 rv = clnt_call(clnt, PLUSONE, (xdrproc_t)xdr_int, (void *)&num, 224 (xdrproc_t)xdr_int, (void *)&resp, tout); 225 if (rv != RPC_SUCCESS) 226 ERRX(EXIT_FAILURE, "clnt_call: %s", clnt_sperrno(rv)); 227 DPRINTF("Got %d\n", resp); 228 if (++num != resp) 229 ERRX(EXIT_FAILURE, "expected %d got %d", num, resp); 230 rv = clnt_call(clnt, DESTROY, (xdrproc_t)xdr_void, NULL, 231 (xdrproc_t)xdr_void, NULL, tout); 232 if (rv != RPC_SUCCESS) 233 ERRX(EXIT_FAILURE, "clnt_call: %s", clnt_sperrno(rv)); 234 clnt_destroy(clnt); 235 236 return EXIT_SUCCESS; 237 } 238 239 240 #ifdef TEST 241 static void 242 allhosts(const char *transp) 243 { 244 enum clnt_stat clnt_stat; 245 246 clnt_stat = rpc_broadcast(RPCBPROG, RPCBVERS, RPCBPROC_NULL, 247 (xdrproc_t)xdr_void, NULL, (xdrproc_t)xdr_void, 248 NULL, (resultproc_t)reply, transp); 249 if (clnt_stat != RPC_SUCCESS && clnt_stat != RPC_TIMEDOUT) 250 ERRX(EXIT_FAILURE, "%s", clnt_sperrno(clnt_stat)); 251 } 252 253 int 254 main(int argc, char *argv[]) 255 { 256 int ch; 257 int s, p; 258 const char *transp = "udp"; 259 260 p = s = 0; 261 while ((ch = getopt(argc, argv, "prstu")) != -1) 262 switch (ch) { 263 case 'p': 264 p = 1; 265 break; 266 case 's': 267 s = 1; 268 break; 269 case 't': 270 transp = "tcp"; 271 break; 272 case 'u': 273 transp = "udp"; 274 break; 275 case 'r': 276 transp = NULL; 277 break; 278 default: 279 fprintf(stderr, 280 "Usage: %s -[r|s|t|u] [<hostname>...]\n", 281 getprogname()); 282 return EXIT_FAILURE; 283 } 284 285 if (argc == optind) { 286 if (transp) 287 allhosts(transp); 288 else 289 rawtest(NULL); 290 } else { 291 for (; optind < argc; optind++) { 292 if (transp) 293 s == 0 ? 294 onehost(argv[optind], transp) : 295 regtest(argv[optind], transp, "1", p); 296 else 297 rawtest(argv[optind]); 298 } 299 } 300 301 return EXIT_SUCCESS; 302 } 303 304 #else 305 306 ATF_TC(get_svc_addr_tcp); 307 ATF_TC_HEAD(get_svc_addr_tcp, tc) 308 { 309 atf_tc_set_md_var(tc, "descr", "Checks CLGET_SVC_ADDR for tcp"); 310 311 } 312 313 ATF_TC_BODY(get_svc_addr_tcp, tc) 314 { 315 onehost("localhost", "tcp"); 316 317 } 318 319 ATF_TC(get_svc_addr_udp); 320 ATF_TC_HEAD(get_svc_addr_udp, tc) 321 { 322 atf_tc_set_md_var(tc, "descr", "Checks CLGET_SVC_ADDR for udp"); 323 } 324 325 ATF_TC_BODY(get_svc_addr_udp, tc) 326 { 327 onehost("localhost", "udp"); 328 329 } 330 331 ATF_TC(raw); 332 ATF_TC_HEAD(raw, tc) 333 { 334 atf_tc_set_md_var(tc, "descr", "Checks svc raw"); 335 } 336 337 ATF_TC_BODY(raw, tc) 338 { 339 #ifdef __FreeBSD__ 340 atf_tc_expect_fail("fails with: clnt_call: " 341 "RPC: Can't decode result -- PR # 211804"); 342 #endif 343 rawtest(NULL); 344 345 } 346 347 ATF_TC(tcp); 348 ATF_TC_HEAD(tcp, tc) 349 { 350 atf_tc_set_md_var(tc, "descr", "Checks svc tcp (select)"); 351 #ifdef __FreeBSD__ 352 atf_tc_set_md_var(tc, "require.user", "root"); 353 #endif 354 } 355 356 ATF_TC_BODY(tcp, tc) 357 { 358 regtest("localhost", "tcp", "1", 0); 359 360 } 361 362 ATF_TC(udp); 363 ATF_TC_HEAD(udp, tc) 364 { 365 atf_tc_set_md_var(tc, "descr", "Checks svc udp (select)"); 366 #ifdef __FreeBSD__ 367 atf_tc_set_md_var(tc, "require.user", "root"); 368 #endif 369 } 370 371 ATF_TC_BODY(udp, tc) 372 { 373 regtest("localhost", "udp", "1", 0); 374 375 } 376 377 ATF_TC(tcp_poll); 378 ATF_TC_HEAD(tcp_poll, tc) 379 { 380 atf_tc_set_md_var(tc, "descr", "Checks svc tcp (poll)"); 381 #ifdef __FreeBSD__ 382 atf_tc_set_md_var(tc, "require.user", "root"); 383 #endif 384 } 385 386 ATF_TC_BODY(tcp_poll, tc) 387 { 388 regtest("localhost", "tcp", "1", 1); 389 390 } 391 392 ATF_TC(udp_poll); 393 ATF_TC_HEAD(udp_poll, tc) 394 { 395 atf_tc_set_md_var(tc, "descr", "Checks svc udp (poll)"); 396 #ifdef __FreeBSD__ 397 atf_tc_set_md_var(tc, "require.user", "root"); 398 #endif 399 } 400 401 ATF_TC_BODY(udp_poll, tc) 402 { 403 regtest("localhost", "udp", "1", 1); 404 405 } 406 407 ATF_TP_ADD_TCS(tp) 408 { 409 ATF_TP_ADD_TC(tp, get_svc_addr_udp); 410 ATF_TP_ADD_TC(tp, get_svc_addr_tcp); 411 ATF_TP_ADD_TC(tp, raw); 412 ATF_TP_ADD_TC(tp, tcp); 413 ATF_TP_ADD_TC(tp, udp); 414 ATF_TP_ADD_TC(tp, tcp_poll); 415 ATF_TP_ADD_TC(tp, udp_poll); 416 417 return atf_no_error(); 418 } 419 420 #endif 421