1 /******************************************************************************/ 2 /* Copyright (c) Crackerjack Project., 2007-2008 ,Hitachi, Ltd */ 3 /* Author(s): Takahiro Yasui <takahiro.yasui.mp (at) hitachi.com>, */ 4 /* Yumiko Sugita <yumiko.sugita.yf (at) hitachi.com>, */ 5 /* Satoshi Fujiwara <sa-fuji (at) sdl.hitachi.co.jp> */ 6 /* */ 7 /* This program is free software; you can redistribute it and/or modify */ 8 /* it under the terms of the GNU General Public License as published by */ 9 /* the Free Software Foundation; either version 2 of the License, or */ 10 /* (at your option) any later version. */ 11 /* */ 12 /* This program is distributed in the hope that it will be useful, */ 13 /* but WITHOUT ANY WARRANTY; without even the implied warranty of */ 14 /* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See */ 15 /* the GNU General Public License for more details. */ 16 /* */ 17 /* You should have received a copy of the GNU General Public License */ 18 /* along with this program; if not, write to the Free Software */ 19 /* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ 20 /* */ 21 /******************************************************************************/ 22 /******************************************************************************/ 23 /* */ 24 /* File: mq_open01.c */ 25 /* */ 26 /* Description: This tests the mq_open() syscall */ 27 /* */ 28 /* */ 29 /* */ 30 /* */ 31 /* */ 32 /* */ 33 /* Usage: <for command-line> */ 34 /* mq_open01 [-c n] [-e][-i n] [-I x] [-p x] [-t] */ 35 /* where, -c n : Run n copies concurrently. */ 36 /* -e : Turn on errno logging. */ 37 /* -i n : Execute test n times. */ 38 /* -I x : Execute test for x seconds. */ 39 /* -P x : Pause for x seconds between iterations. */ 40 /* -t : Turn on syscall timing. */ 41 /* */ 42 /* Total Tests: 1 */ 43 /* */ 44 /* Test Name: mq_open01 */ 45 /* History: Porting from Crackerjack to LTP is done by */ 46 /* Manas Kumar Nayak maknayak (at) in.ibm.com> */ 47 /******************************************************************************/ 48 #include <sys/syscall.h> 49 #include <sys/types.h> 50 #include <sys/stat.h> 51 #include <sys/uio.h> 52 #include <getopt.h> 53 #include <stdlib.h> 54 #include <errno.h> 55 #include <stdio.h> 56 #include <unistd.h> 57 #include <string.h> 58 #include <mqueue.h> 59 #include <limits.h> 60 61 #include "../utils/include_j_h.h" 62 #include "../utils/common_j_h.c" 63 64 #include "test.h" 65 #include "linux_syscall_numbers.h" 66 67 char *TCID = "mq_open01"; 68 int testno; 69 int TST_TOTAL = 1; 70 71 /* Extern Global Functions */ 72 /******************************************************************************/ 73 /* */ 74 /* Function: cleanup */ 75 /* */ 76 /* Description: Performs all one time clean up for this test on successful */ 77 /* completion, premature exit or failure. Closes all temporary */ 78 /* files, removes all temporary directories exits the test with */ 79 /* appropriate return code by calling tst_exit() function. */ 80 /* */ 81 /* Input: None. */ 82 /* */ 83 /* Output: None. */ 84 /* */ 85 /* Return: On failure - Exits calling tst_exit(). Non '0' return code. */ 86 /* On success - Exits calling tst_exit(). With '0' return code. */ 87 /* */ 88 /******************************************************************************/ 89 void cleanup(void) 90 { 91 92 tst_rmdir(); 93 } 94 95 /* Local Functions */ 96 /******************************************************************************/ 97 /* */ 98 /* Function: setup */ 99 /* */ 100 /* Description: Performs all one time setup for this test. This function is */ 101 /* typically used to capture signals, create temporary dirs */ 102 /* and temporary files that may be used in the course of this */ 103 /* test. */ 104 /* */ 105 /* Input: None. */ 106 /* */ 107 /* Output: None. */ 108 /* */ 109 /* Return: On failure - Exits by calling cleanup(). */ 110 /* On success - returns 0. */ 111 /* */ 112 /******************************************************************************/ 113 void setup(void) 114 { 115 tst_require_root(); 116 117 /* Capture signals if any */ 118 /* Create temporary directories */ 119 TEST_PAUSE; 120 tst_tmpdir(); 121 } 122 123 /* 124 * Macros 125 */ 126 #define SYSCALL_NAME "mq_open" 127 128 enum test_type { 129 NORMAL, 130 NO_FILE, 131 NO_SPACE, 132 }; 133 134 /* 135 * Data Structure 136 */ 137 struct test_case { 138 int ttype; 139 char *user; 140 char *qname; 141 int oflag; 142 long mq_maxmsg; // Maximum numebr of messages. 143 long mq_msgsize; // Maximum message size. 144 int ret; 145 int err; 146 }; 147 148 #define ULIMIT_FNUM 0 149 #define PROC_MAX_QUEUES "/proc/sys/fs/mqueue/queues_max" 150 151 /* Test cases 152 * 153 * test status of errors on man page 154 * 155 * EACCES v (permission is denied) 156 * EEXIST v (named message queue already exists) 157 * EINTR --- (interrupted by a signal) 158 * EINVAL v (not supported for the given name, or invalid 159 * arguments) 160 * EMFILE v (process file table overflow) 161 * ENAMETOOLONG v (too long name length) 162 * ENFILE can't check because it's difficult to create no-fd 163 * ENOENT v (O_CREAT is not set and the named message queue 164 * does not exist) 165 * ENOSPC v (no space for the new message queue) 166 */ 167 168 static struct test_case tcase[] = { 169 #if 1 170 { // case00 171 .ttype = NORMAL, 172 .qname = QUEUE_NAME, 173 .oflag = O_CREAT, 174 .mq_maxmsg = 20, 175 .mq_msgsize = 16384, 176 .ret = 0, 177 .err = 0, 178 }, 179 #else 180 { // case00 181 .ttype = NORMAL, 182 .qname = QUEUE_NAME, 183 .oflag = O_CREAT, 184 .ret = 0, 185 .err = 0, 186 }, 187 { // case01 188 .ttype = NORMAL, 189 // 0 1 2 3 190 // 0123456789012345678901234567890123456789 191 "aaaaaaaaaaaaaaa", 192 .oflag = O_CREAT, 193 .ret = 0, 194 .err = 0, 195 }, 196 { // case02 197 .ttype = NORMAL, 198 // 0 1 2 3 199 // 0123456789012345678901234567890123456789 200 "aaaaaaaaaaaaaaaa", 201 .oflag = O_CREAT, 202 .ret = -1, 203 .err = ENAMETOOLONG, 204 }, 205 206 { // case03 207 .ttype = NORMAL, 208 .qname = "", 209 .oflag = O_CREAT, 210 .ret = -1, 211 .err = EINVAL, 212 }, 213 { // case04 214 .ttype = NORMAL, 215 .user = "nobody", 216 .qname = QUEUE_NAME, 217 .ret = -1, 218 .err = EACCES, 219 }, 220 { // case05 221 .ttype = NORMAL, 222 .qname = QUEUE_NAME, 223 .oflag = O_CREAT | O_EXCL, 224 .ret = -1, 225 .err = EEXIST, 226 }, 227 { // case06 228 .ttype = NO_FILE, 229 .qname = QUEUE_NAME, 230 .oflag = O_CREAT, 231 .ret = -1, 232 .err = EMFILE, 233 }, 234 { // case07 235 .ttype = NORMAL, 236 .qname = "/notexist", 237 .oflag = 0, 238 .ret = -1, 239 .err = ENOENT, 240 }, 241 242 { // case08 243 .ttype = NO_SPACE, 244 .user = "nobody", 245 .qname = QUEUE_NAME, 246 .oflag = O_CREAT, 247 .ret = -1, 248 .err = ENOSPC, 249 }, 250 #endif 251 }; 252 253 /* 254 * do_test() 255 * 256 * Input : TestCase Data 257 * Return : RESULT_OK(0), RESULT_NG(1) 258 * 259 */ 260 261 static int do_test(struct test_case *tc) 262 { 263 int sys_ret; 264 int sys_errno; 265 int result = RESULT_OK; 266 int rc, fd1 = -1, fd2 = -1, cmp_ok = 1; 267 uid_t old_uid = -1; 268 rlim_t oldlim = -1; 269 int oldval = -1; 270 struct mq_attr new, old, *p_attr; 271 272 /* 273 * When test ended with SIGTERM etc, mq discriptor is left remains. 274 * So we delete it first. 275 */ 276 TEST(mq_unlink(QUEUE_NAME)); 277 278 /* 279 * Execute system call 280 */ 281 282 if (tc->ttype != NO_SPACE && !(tc->oflag & O_CREAT)) { 283 errno = 0; 284 TEST(sys_ret = 285 mq_open(QUEUE_NAME, O_CREAT | O_EXCL | O_RDWR, S_IRWXU, 286 NULL)); 287 sys_errno = errno; 288 if (sys_ret < 0) 289 goto TEST_END; 290 fd1 = sys_ret; 291 } 292 if (tc->ttype == NO_FILE) { 293 TEST(rc = setup_ulimit_fnum(ULIMIT_FNUM, &oldlim)); 294 if (rc < 0) { 295 result = 1; 296 goto EXIT; 297 } 298 } 299 300 /* 301 * Change /proc/sys/fs/mqueue/queues_max 302 */ 303 if (tc->ttype == NO_SPACE) { 304 TEST(rc = setup_proc_fs(PROC_MAX_QUEUES, 0, &oldval)); 305 if (rc < 0) { 306 result = 1; 307 goto EXIT; 308 } 309 } 310 311 /* 312 * Change effective user id 313 */ 314 if (tc->user != NULL) { 315 TEST(rc = setup_euid(tc->user, &old_uid)); 316 if (rc < 0) { 317 result = 1; 318 goto EXIT; 319 } 320 } 321 322 /* 323 * Execute system call 324 */ 325 //tst_resm(TINFO,"PATH_MAX: %d\n", PATH_MAX); 326 //tst_resm(TINFO,"NAME_MAX: %d", NAME_MAX); 327 p_attr = NULL; 328 if (tc->mq_maxmsg || tc->mq_msgsize) { 329 new.mq_maxmsg = tc->mq_maxmsg; 330 new.mq_msgsize = tc->mq_msgsize; 331 p_attr = &new; 332 } 333 errno = 0; 334 if (tc->oflag & O_CREAT) 335 TEST(sys_ret = mq_open(tc->qname, tc->oflag, S_IRWXU, p_attr)); 336 else 337 TEST(sys_ret = mq_open(tc->qname, tc->oflag)); 338 sys_errno = errno; 339 if (sys_ret < 0) 340 goto TEST_END; 341 fd2 = sys_ret; 342 343 if (p_attr) { 344 TEST(rc = ltp_syscall(__NR_mq_getsetattr, fd2, NULL, &old)); 345 if (TEST_RETURN < 0) { 346 tst_resm(TFAIL, 347 "mq_getsetattr failed - errno = %d : %s", 348 TEST_ERRNO, strerror(TEST_ERRNO)); 349 result = 1; 350 goto EXIT; 351 } 352 tst_resm(TINFO, "mq_maxmsg E:%ld,\tR:%ld", new.mq_maxmsg, 353 old.mq_maxmsg); 354 tst_resm(TINFO, "mq_msgsize E:%ld,\tR:%ld", new.mq_msgsize, 355 old.mq_msgsize); 356 cmp_ok = old.mq_maxmsg == new.mq_maxmsg 357 && old.mq_msgsize == new.mq_msgsize; 358 } 359 360 TEST_END: 361 /* 362 * Check results 363 */ 364 result |= (sys_errno != tc->err) || !cmp_ok; 365 PRINT_RESULT_CMP(sys_ret >= 0, tc->ret, tc->err, sys_ret, sys_errno, 366 cmp_ok); 367 368 EXIT: 369 if (tc->user != NULL && old_uid != -1) 370 TEST(cleanup_euid(old_uid)); 371 372 if (tc->ttype == NO_SPACE && oldval != -1) 373 TEST(cleanup_proc_fs(PROC_MAX_QUEUES, oldval)); 374 375 if (tc->ttype == NO_FILE && oldlim != -1) 376 TEST(cleanup_ulimit_fnum(oldlim)); 377 if (fd1 >= 0) 378 TEST(close(fd1)); 379 if (fd2 >= 0) 380 TEST(close(fd2)); 381 if (fd1 >= 0) 382 TEST(mq_unlink(QUEUE_NAME)); 383 if (fd2 >= 0 && strcmp(tc->qname, QUEUE_NAME) != 0) 384 TEST(mq_unlink(tc->qname)); 385 386 return result; 387 } 388 389 /* 390 * main() 391 */ 392 393 int main(int ac, char **av) 394 { 395 int result = RESULT_OK; 396 int i; 397 int lc; 398 399 tst_parse_opts(ac, av, NULL, NULL); 400 401 setup(); 402 403 for (lc = 0; TEST_LOOPING(lc); ++lc) { 404 tst_count = 0; 405 for (testno = 0; testno < TST_TOTAL; ++testno) { 406 407 /* 408 * Execute test 409 */ 410 for (i = 0; i < (int)ARRAY_SIZE(tcase); i++) { 411 int ret; 412 tst_resm(TINFO, "(case%02d) START", i); 413 ret = do_test(&tcase[i]); 414 tst_resm(TINFO, "(case%02d) END => %s", i, 415 (ret == 0) ? "OK" : "NG"); 416 result |= ret; 417 } 418 419 /* 420 * Check results 421 */ 422 switch (result) { 423 case RESULT_OK: 424 tst_resm(TPASS, "mq_open call succeeded "); 425 break; 426 427 default: 428 tst_brkm(TFAIL | TTERRNO, cleanup, 429 "mq_open failed"); 430 break; 431 } 432 433 } 434 } 435 cleanup(); 436 tst_exit(); 437 } 438
