1 /* 2 * Copyright (c) 2010-2018 Linux Test Project 3 * Copyright (c) 2011-2015 Cyril Hrubis <chrubis (at) suse.cz> 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef TST_SAFE_MACROS_H__ 20 #define TST_SAFE_MACROS_H__ 21 22 #include <sys/mman.h> 23 #include <sys/types.h> 24 #include <sys/time.h> 25 #include <sys/resource.h> 26 #include <sys/stat.h> 27 #include <fcntl.h> 28 #include <libgen.h> 29 #include <signal.h> 30 #include <stdarg.h> 31 #include <unistd.h> 32 #include <dirent.h> 33 #include <grp.h> 34 35 #include "safe_macros_fn.h" 36 37 #define SAFE_BASENAME(path) \ 38 safe_basename(__FILE__, __LINE__, NULL, (path)) 39 40 #define SAFE_CHDIR(path) \ 41 safe_chdir(__FILE__, __LINE__, NULL, (path)) 42 43 #define SAFE_CLOSE(fd) do { \ 44 safe_close(__FILE__, __LINE__, NULL, (fd)); \ 45 fd = -1; \ 46 } while (0) 47 48 #define SAFE_CREAT(pathname, mode) \ 49 safe_creat(__FILE__, __LINE__, NULL, (pathname), (mode)) 50 51 #define SAFE_CHROOT(path) \ 52 safe_chroot(__FILE__, __LINE__, (path)) 53 int safe_chroot(const char *file, const int lineno, const char *path); 54 55 #define SAFE_DIRNAME(path) \ 56 safe_dirname(__FILE__, __LINE__, NULL, (path)) 57 58 static inline int safe_dup(const char *file, const int lineno, 59 int oldfd) 60 { 61 int rval; 62 63 rval = dup(oldfd); 64 if (rval == -1) { 65 tst_brk_(file, lineno, TBROK | TERRNO, 66 "dup(%i) failed", oldfd); 67 } 68 69 return rval; 70 } 71 #define SAFE_DUP(oldfd) \ 72 safe_dup(__FILE__, __LINE__, (oldfd)) 73 74 #define SAFE_GETCWD(buf, size) \ 75 safe_getcwd(__FILE__, __LINE__, NULL, (buf), (size)) 76 77 #define SAFE_GETPWNAM(name) \ 78 safe_getpwnam(__FILE__, __LINE__, NULL, (name)) 79 80 #define SAFE_GETRUSAGE(who, usage) \ 81 safe_getrusage(__FILE__, __LINE__, NULL, (who), (usage)) 82 83 #define SAFE_MALLOC(size) \ 84 safe_malloc(__FILE__, __LINE__, NULL, (size)) 85 86 #define SAFE_MKDIR(pathname, mode) \ 87 safe_mkdir(__FILE__, __LINE__, NULL, (pathname), (mode)) 88 89 #define SAFE_RMDIR(pathname) \ 90 safe_rmdir(__FILE__, __LINE__, NULL, (pathname)) 91 92 #define SAFE_MUNMAP(addr, length) \ 93 safe_munmap(__FILE__, __LINE__, NULL, (addr), (length)) 94 95 #define SAFE_OPEN(pathname, oflags, ...) \ 96 safe_open(__FILE__, __LINE__, NULL, (pathname), (oflags), \ 97 ##__VA_ARGS__) 98 99 #define SAFE_PIPE(fildes) \ 100 safe_pipe(__FILE__, __LINE__, NULL, (fildes)) 101 102 #define SAFE_READ(len_strict, fildes, buf, nbyte) \ 103 safe_read(__FILE__, __LINE__, NULL, (len_strict), (fildes), (buf), (nbyte)) 104 105 #define SAFE_SETEGID(egid) \ 106 safe_setegid(__FILE__, __LINE__, NULL, (egid)) 107 108 #define SAFE_SETEUID(euid) \ 109 safe_seteuid(__FILE__, __LINE__, NULL, (euid)) 110 111 #define SAFE_SETGID(gid) \ 112 safe_setgid(__FILE__, __LINE__, NULL, (gid)) 113 114 #define SAFE_SETUID(uid) \ 115 safe_setuid(__FILE__, __LINE__, NULL, (uid)) 116 117 int safe_setregid(const char *file, const int lineno, 118 gid_t rgid, gid_t egid); 119 120 #define SAFE_SETREGID(rgid, egid) \ 121 safe_setregid(__FILE__, __LINE__, (rgid), (egid)) 122 123 int safe_setreuid(const char *file, const int lineno, 124 uid_t ruid, uid_t euid); 125 126 #define SAFE_SETREUID(ruid, euid) \ 127 safe_setreuid(__FILE__, __LINE__, (ruid), (euid)) 128 129 #define SAFE_GETRESUID(ruid, euid, suid) \ 130 safe_getresuid(__FILE__, __LINE__, NULL, (ruid), (euid), (suid)) 131 132 #define SAFE_GETRESGID(rgid, egid, sgid) \ 133 safe_getresgid(__FILE__, __LINE__, NULL, (rgid), (egid), (sgid)) 134 135 int safe_setpgid(const char *file, const int lineno, pid_t pid, pid_t pgid); 136 137 #define SAFE_SETPGID(pid, pgid) \ 138 safe_setpgid(__FILE__, __LINE__, (pid), (pgid)); 139 140 pid_t safe_getpgid(const char *file, const int lineno, pid_t pid); 141 142 #define SAFE_GETPGID(pid) \ 143 safe_getpgid(__FILE__, __LINE__, (pid)) 144 145 #define SAFE_UNLINK(pathname) \ 146 safe_unlink(__FILE__, __LINE__, NULL, (pathname)) 147 148 #define SAFE_LINK(oldpath, newpath) \ 149 safe_link(__FILE__, __LINE__, NULL, (oldpath), (newpath)) 150 151 #define SAFE_LINKAT(olddirfd, oldpath, newdirfd, newpath, flags) \ 152 safe_linkat(__FILE__, __LINE__, NULL, (olddirfd), (oldpath), \ 153 (newdirfd), (newpath), (flags)) 154 155 #define SAFE_READLINK(path, buf, bufsize) \ 156 safe_readlink(__FILE__, __LINE__, NULL, (path), (buf), (bufsize)) 157 158 #define SAFE_SYMLINK(oldpath, newpath) \ 159 safe_symlink(__FILE__, __LINE__, NULL, (oldpath), (newpath)) 160 161 #define SAFE_WRITE(len_strict, fildes, buf, nbyte) \ 162 safe_write(__FILE__, __LINE__, NULL, (len_strict), (fildes), (buf), (nbyte)) 163 164 #define SAFE_STRTOL(str, min, max) \ 165 safe_strtol(__FILE__, __LINE__, NULL, (str), (min), (max)) 166 167 #define SAFE_STRTOUL(str, min, max) \ 168 safe_strtoul(__FILE__, __LINE__, NULL, (str), (min), (max)) 169 170 #define SAFE_SYSCONF(name) \ 171 safe_sysconf(__FILE__, __LINE__, NULL, name) 172 173 #define SAFE_CHMOD(path, mode) \ 174 safe_chmod(__FILE__, __LINE__, NULL, (path), (mode)) 175 176 #define SAFE_FCHMOD(fd, mode) \ 177 safe_fchmod(__FILE__, __LINE__, NULL, (fd), (mode)) 178 179 #define SAFE_CHOWN(path, owner, group) \ 180 safe_chown(__FILE__, __LINE__, NULL, (path), (owner), (group)) 181 182 #define SAFE_FCHOWN(fd, owner, group) \ 183 safe_fchown(__FILE__, __LINE__, NULL, (fd), (owner), (group)) 184 185 #define SAFE_WAIT(status) \ 186 safe_wait(__FILE__, __LINE__, NULL, (status)) 187 188 #define SAFE_WAITPID(pid, status, opts) \ 189 safe_waitpid(__FILE__, __LINE__, NULL, (pid), (status), (opts)) 190 191 #define SAFE_KILL(pid, sig) \ 192 safe_kill(__FILE__, __LINE__, NULL, (pid), (sig)) 193 194 #define SAFE_MEMALIGN(alignment, size) \ 195 safe_memalign(__FILE__, __LINE__, NULL, (alignment), (size)) 196 197 #define SAFE_MKFIFO(pathname, mode) \ 198 safe_mkfifo(__FILE__, __LINE__, NULL, (pathname), (mode)) 199 200 #define SAFE_RENAME(oldpath, newpath) \ 201 safe_rename(__FILE__, __LINE__, NULL, (oldpath), (newpath)) 202 203 #define SAFE_MOUNT(source, target, filesystemtype, \ 204 mountflags, data) \ 205 safe_mount(__FILE__, __LINE__, NULL, (source), (target), \ 206 (filesystemtype), (mountflags), (data)) 207 208 #define SAFE_UMOUNT(target) \ 209 safe_umount(__FILE__, __LINE__, NULL, (target)) 210 211 #define SAFE_OPENDIR(name) \ 212 safe_opendir(__FILE__, __LINE__, NULL, (name)) 213 214 #define SAFE_CLOSEDIR(dirp) \ 215 safe_closedir(__FILE__, __LINE__, NULL, (dirp)) 216 217 #define SAFE_READDIR(dirp) \ 218 safe_readdir(__FILE__, __LINE__, NULL, (dirp)) 219 220 #define SAFE_IOCTL(fd, request, ...) \ 221 ({int tst_ret_ = ioctl(fd, request, ##__VA_ARGS__); \ 222 tst_ret_ < 0 ? \ 223 tst_brk(TBROK | TERRNO, \ 224 "ioctl(%i,%s,...) failed", fd, #request) \ 225 : tst_ret_;}) 226 227 #define SAFE_FCNTL(fd, cmd, ...) \ 228 ({int tst_ret_ = fcntl(fd, cmd, ##__VA_ARGS__); \ 229 tst_ret_ == -1 ? \ 230 tst_brk(TBROK | TERRNO, \ 231 "fcntl(%i,%s,...) failed", fd, #cmd), 0 \ 232 : tst_ret_;}) 233 234 /* 235 * following functions are inline because the behaviour may depend on 236 * -D_FILE_OFFSET_BITS=64 -DOFF_T=off64_t compile flags 237 */ 238 239 static inline void *safe_mmap(const char *file, const int lineno, 240 void *addr, size_t length, 241 int prot, int flags, int fd, off_t offset) 242 { 243 void *rval; 244 245 rval = mmap(addr, length, prot, flags, fd, offset); 246 if (rval == MAP_FAILED) { 247 tst_brk_(file, lineno, TBROK | TERRNO, 248 "mmap(%p,%zu,%d,%d,%d,%ld) failed", 249 addr, length, prot, flags, fd, (long) offset); 250 } 251 252 return rval; 253 } 254 #define SAFE_MMAP(addr, length, prot, flags, fd, offset) \ 255 safe_mmap(__FILE__, __LINE__, (addr), (length), (prot), \ 256 (flags), (fd), (offset)) 257 258 static inline int safe_ftruncate(const char *file, const int lineno, 259 int fd, off_t length) 260 { 261 int rval; 262 263 rval = ftruncate(fd, length); 264 if (rval == -1) { 265 tst_brk_(file, lineno, TBROK | TERRNO, 266 "ftruncate(%d,%ld) failed", 267 fd, (long)length); 268 } 269 270 return rval; 271 } 272 #define SAFE_FTRUNCATE(fd, length) \ 273 safe_ftruncate(__FILE__, __LINE__, (fd), (length)) 274 275 static inline int safe_truncate(const char *file, const int lineno, 276 const char *path, off_t length) 277 { 278 int rval; 279 280 rval = truncate(path, length); 281 if (rval == -1) { 282 tst_brk_(file, lineno, TBROK | TERRNO, 283 "truncate(%s,%ld) failed", 284 path, (long)length); 285 } 286 287 return rval; 288 } 289 #define SAFE_TRUNCATE(path, length) \ 290 safe_truncate(__FILE__, __LINE__, (path), (length)) 291 292 static inline int safe_stat(const char *file, const int lineno, 293 const char *path, struct stat *buf) 294 { 295 int rval; 296 297 rval = stat(path, buf); 298 299 if (rval == -1) { 300 tst_brk_(file, lineno, TBROK | TERRNO, 301 "stat(%s,%p) failed", path, buf); 302 } 303 304 return rval; 305 } 306 #define SAFE_STAT(path, buf) \ 307 safe_stat(__FILE__, __LINE__, (path), (buf)) 308 309 static inline int safe_fstat(const char *file, const int lineno, 310 int fd, struct stat *buf) 311 { 312 int rval; 313 314 rval = fstat(fd, buf); 315 316 if (rval == -1) { 317 tst_brk_(file, lineno, TBROK | TERRNO, 318 "fstat(%d,%p) failed", fd, buf); 319 } 320 321 return rval; 322 } 323 #define SAFE_FSTAT(fd, buf) \ 324 safe_fstat(__FILE__, __LINE__, (fd), (buf)) 325 326 static inline int safe_lstat(const char *file, const int lineno, 327 const char *path, struct stat *buf) 328 { 329 int rval; 330 331 rval = lstat(path, buf); 332 333 if (rval == -1) { 334 tst_brk_(file, lineno, TBROK | TERRNO, 335 "lstat(%s,%p) failed", path, buf); 336 } 337 338 return rval; 339 } 340 #define SAFE_LSTAT(path, buf) \ 341 safe_lstat(__FILE__, __LINE__, (path), (buf)) 342 343 static inline off_t safe_lseek(const char *file, const int lineno, 344 int fd, off_t offset, int whence) 345 { 346 off_t rval; 347 348 rval = lseek(fd, offset, whence); 349 350 if (rval == (off_t) -1) { 351 tst_brk_(file, lineno, TBROK | TERRNO, 352 "lseek(%d,%ld,%d) failed", 353 fd, (long)offset, whence); 354 } 355 356 return rval; 357 } 358 #define SAFE_LSEEK(fd, offset, whence) \ 359 safe_lseek(__FILE__, __LINE__, (fd), (offset), (whence)) 360 361 static inline int safe_getrlimit(const char *file, const int lineno, 362 int resource, struct rlimit *rlim) 363 { 364 int rval; 365 366 rval = getrlimit(resource, rlim); 367 368 if (rval == -1) { 369 tst_brk_(file, lineno, TBROK | TERRNO, 370 "getrlimit(%d,%p) failed", 371 resource, rlim); 372 } 373 374 return rval; 375 } 376 #define SAFE_GETRLIMIT(resource, rlim) \ 377 safe_getrlimit(__FILE__, __LINE__, (resource), (rlim)) 378 379 static inline int safe_setrlimit(const char *file, const int lineno, 380 int resource, const struct rlimit *rlim) 381 { 382 int rval; 383 384 rval = setrlimit(resource, rlim); 385 386 if (rval == -1) { 387 tst_brk_(file, lineno, TBROK | TERRNO, 388 "setrlimit(%d,%p) failed", 389 resource, rlim); 390 } 391 392 return rval; 393 } 394 #define SAFE_SETRLIMIT(resource, rlim) \ 395 safe_setrlimit(__FILE__, __LINE__, (resource), (rlim)) 396 397 typedef void (*sighandler_t)(int); 398 static inline sighandler_t safe_signal(const char *file, const int lineno, 399 int signum, sighandler_t handler) 400 { 401 sighandler_t rval; 402 403 rval = signal(signum, handler); 404 405 if (rval == SIG_ERR) { 406 tst_brk_(file, lineno, TBROK | TERRNO, 407 "signal(%d,%p) failed", 408 signum, handler); 409 } 410 411 return rval; 412 } 413 414 #define SAFE_SIGNAL(signum, handler) \ 415 safe_signal(__FILE__, __LINE__, (signum), (handler)) 416 417 int safe_sigaction(const char *file, const int lineno, 418 int signum, const struct sigaction *act, 419 struct sigaction *oldact); 420 #define SAFE_SIGACTION(signum, act, oldact) \ 421 safe_sigaction(__FILE__, __LINE__, (signum), (act), (oldact)) 422 423 #define SAFE_EXECLP(file, arg, ...) do { \ 424 execlp((file), (arg), ##__VA_ARGS__); \ 425 tst_brk_(__FILE__, __LINE__, TBROK | TERRNO, \ 426 "execlp(%s, %s, ...) failed", file, arg); \ 427 } while (0) 428 429 #define SAFE_EXECL(file, arg, ...) do { \ 430 execl((file), (arg), ##__VA_ARGS__); \ 431 tst_brk_(__FILE__, __LINE__, TBROK | TERRNO, \ 432 "execl(%s, %s, ...) failed", file, arg); \ 433 } while (0) 434 435 int safe_getpriority(const char *file, const int lineno, int which, id_t who); 436 #define SAFE_GETPRIORITY(which, who) \ 437 safe_getpriority(__FILE__, __LINE__, (which), (who)) 438 439 struct group *safe_getgrnam(const char *file, const int lineno, 440 const char *name); 441 #define SAFE_GETGRNAM(name) \ 442 safe_getgrnam(__FILE__, __LINE__, (name)) 443 444 struct group *safe_getgrnam_fallback(const char *file, const int lineno, 445 const char *name, const char *fallback); 446 #define SAFE_GETGRNAM_FALLBACK(name, fallback) \ 447 safe_getgrnam_fallback(__FILE__, __LINE__, (name), (fallback)) 448 449 struct group *safe_getgrgid(const char *file, const int lineno, gid_t gid); 450 #define SAFE_GETGRGID(gid) \ 451 safe_getgrgid(__FILE__, __LINE__, (gid)) 452 453 ssize_t safe_getxattr(const char *file, const int lineno, const char *path, 454 const char *name, void *value, size_t size); 455 #define SAFE_GETXATTR(path, name, value, size) \ 456 safe_getxattr(__FILE__, __LINE__, (path), (name), (value), (size)) 457 458 int safe_setxattr(const char *file, const int lineno, const char *path, 459 const char *name, const void *value, size_t size, int flags); 460 #define SAFE_SETXATTR(path, name, value, size, flags) \ 461 safe_setxattr(__FILE__, __LINE__, (path), (name), (value), (size), (flags)) 462 463 int safe_lsetxattr(const char *file, const int lineno, const char *path, 464 const char *name, const void *value, size_t size, int flags); 465 #define SAFE_LSETXATTR(path, name, value, size, flags) \ 466 safe_lsetxattr(__FILE__, __LINE__, (path), (name), (value), (size), (flags)) 467 468 int safe_fsetxattr(const char *file, const int lineno, int fd, const char *name, 469 const void *value, size_t size, int flags); 470 #define SAFE_FSETXATTR(fd, name, value, size, flags) \ 471 safe_fsetxattr(__FILE__, __LINE__, (fd), (name), (value), (size), (flags)) 472 473 int safe_removexattr(const char *file, const int lineno, const char *path, 474 const char *name); 475 #define SAFE_REMOVEXATTR(path, name) \ 476 safe_removexattr(__FILE__, __LINE__, (path), (name)) 477 478 int safe_lremovexattr(const char *file, const int lineno, const char *path, 479 const char *name); 480 #define SAFE_LREMOVEXATTR(path, name) \ 481 safe_lremovexattr(__FILE__, __LINE__, (path), (name)) 482 483 int safe_fremovexattr(const char *file, const int lineno, int fd, 484 const char *name); 485 #define SAFE_FREMOVEXATTR(fd, name) \ 486 safe_fremovexattr(__FILE__, __LINE__, (fd), (name)) 487 488 int safe_fsync(const char *file, const int lineno, int fd); 489 #define SAFE_FSYNC(fd) safe_fsync(__FILE__, __LINE__, (fd)) 490 491 int safe_setsid(const char *file, const int lineno); 492 #define SAFE_SETSID() safe_setsid(__FILE__, __LINE__) 493 494 int safe_mknod(const char *file, const int lineno, const char *pathname, 495 mode_t mode, dev_t dev); 496 #define SAFE_MKNOD(pathname, mode, dev) \ 497 safe_mknod(__FILE__, __LINE__, (pathname), (mode), (dev)) 498 499 int safe_mlock(const char *file, const int lineno, const char *addr, 500 size_t len); 501 #define SAFE_MLOCK(addr, len) safe_mlock(__FILE__, __LINE__, (addr), (len)) 502 503 int safe_munlock(const char *file, const int lineno, const char *addr, 504 size_t len); 505 #define SAFE_MUNLOCK(addr, len) safe_munlock(__FILE__, __LINE__, (addr), (len)) 506 507 int safe_mincore(const char *file, const int lineno, void *start, 508 size_t length, unsigned char *vec); 509 #define SAFE_MINCORE(start, length, vec) \ 510 safe_mincore(__FILE__, __LINE__, (start), (length), (vec)) 511 512 int safe_fanotify_init(const char *file, const int lineno, 513 unsigned int flags, unsigned int event_f_flags); 514 #define SAFE_FANOTIFY_INIT(fan, mode) \ 515 safe_fanotify_init(__FILE__, __LINE__, (fan), (mode)) 516 517 int safe_personality(const char *filename, unsigned int lineno, 518 unsigned long persona); 519 #define SAFE_PERSONALITY(persona) safe_personality(__FILE__, __LINE__, persona) 520 521 #define SAFE_SETENV(name, value, overwrite) do { \ 522 if (setenv(name, value, overwrite)) { \ 523 tst_brk_(__FILE__, __LINE__, TBROK | TERRNO, \ 524 "setenv(%s, %s, %d) failed", \ 525 name, value, overwrite); \ 526 } \ 527 } while (0) 528 529 #endif /* SAFE_MACROS_H__ */ 530
