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1 /* SPDX-License-Identifier: GPL-2.0-or-later
2  * Copyright (c) 2010-2018 Linux Test Project
3  * Copyright (c) 2011-2015 Cyril Hrubis <chrubis@suse.cz>
4  */
5 
6 #ifndef TST_SAFE_MACROS_H__
7 #define TST_SAFE_MACROS_H__
8 
9 #include <sys/mman.h>
10 #include <sys/types.h>
11 #include <sys/time.h>
12 #include <sys/resource.h>
13 #include <sys/stat.h>
14 #include <sys/vfs.h>
15 #include <sys/sysinfo.h>
16 #include <fcntl.h>
17 #include <libgen.h>
18 #include <signal.h>
19 #include <stdarg.h>
20 #include <unistd.h>
21 #include <dirent.h>
22 #include <grp.h>
23 
24 #include "safe_macros_fn.h"
25 #include "tst_cmd.h"
26 
27 #define SAFE_BASENAME(path) \
28 	safe_basename(__FILE__, __LINE__, NULL, (path))
29 
30 #define SAFE_CHDIR(path) \
31 	safe_chdir(__FILE__, __LINE__, NULL, (path))
32 
33 #define SAFE_CLOSE(fd) do { \
34 		safe_close(__FILE__, __LINE__, NULL, (fd)); \
35 		fd = -1; \
36 	} while (0)
37 
38 #define SAFE_CREAT(pathname, mode) \
39 	safe_creat(__FILE__, __LINE__, NULL, (pathname), (mode))
40 
41 #define SAFE_CHROOT(path) \
42 	safe_chroot(__FILE__, __LINE__, (path))
43 int safe_chroot(const char *file, const int lineno, const char *path);
44 
45 #define SAFE_DIRNAME(path) \
46 	safe_dirname(__FILE__, __LINE__, NULL, (path))
47 
48 int safe_dup(const char *file, const int lineno, int oldfd);
49 
50 #define SAFE_DUP(oldfd) \
51 	safe_dup(__FILE__, __LINE__, (oldfd))
52 
53 int safe_dup2(const char *file, const int lineno, int oldfd, int newfd);
54 
55 #define SAFE_DUP2(oldfd, newfd)			\
56 	safe_dup2(__FILE__, __LINE__, (oldfd), (newfd))
57 
58 #define SAFE_GETCWD(buf, size) \
59 	safe_getcwd(__FILE__, __LINE__, NULL, (buf), (size))
60 
61 #define SAFE_GETPWNAM(name) \
62 	safe_getpwnam(__FILE__, __LINE__, NULL, (name))
63 
64 #define SAFE_GETRUSAGE(who, usage) \
65 	safe_getrusage(__FILE__, __LINE__, NULL, (who), (usage))
66 
67 #define SAFE_MALLOC(size) \
68 	safe_malloc(__FILE__, __LINE__, NULL, (size))
69 
70 void *safe_realloc(const char *file, const int lineno, void *ptr, size_t size);
71 
72 #define SAFE_REALLOC(ptr, size) \
73 	safe_realloc(__FILE__, __LINE__, (ptr), (size))
74 
75 #define SAFE_MKDIR(pathname, mode) \
76 	safe_mkdir(__FILE__, __LINE__, NULL, (pathname), (mode))
77 
78 #define SAFE_RMDIR(pathname) \
79 	safe_rmdir(__FILE__, __LINE__, NULL, (pathname))
80 
81 #define SAFE_MUNMAP(addr, length) \
82 	safe_munmap(__FILE__, __LINE__, NULL, (addr), (length))
83 
84 #define SAFE_OPEN(pathname, oflags, ...) \
85 	safe_open(__FILE__, __LINE__, NULL, (pathname), (oflags), \
86 	    ##__VA_ARGS__)
87 
88 #define SAFE_PIPE(fildes) \
89 	safe_pipe(__FILE__, __LINE__, NULL, (fildes))
90 
91 int safe_pipe2(const char *file, const int lineno, int fildes[2], int flags);
92 
93 #define SAFE_PIPE2(fildes, flags) \
94 	safe_pipe2(__FILE__, __LINE__, (fildes), (flags))
95 
96 #define SAFE_READ(len_strict, fildes, buf, nbyte) \
97 	safe_read(__FILE__, __LINE__, NULL, (len_strict), (fildes), (buf), (nbyte))
98 
99 #define SAFE_SETEGID(egid) \
100 	safe_setegid(__FILE__, __LINE__, NULL, (egid))
101 
102 #define SAFE_SETEUID(euid) \
103 	safe_seteuid(__FILE__, __LINE__, NULL, (euid))
104 
105 #define SAFE_SETGID(gid) \
106 	safe_setgid(__FILE__, __LINE__, NULL, (gid))
107 
108 #define SAFE_SETUID(uid) \
109 	safe_setuid(__FILE__, __LINE__, NULL, (uid))
110 
111 int safe_setregid(const char *file, const int lineno,
112 		  gid_t rgid, gid_t egid);
113 
114 #define SAFE_SETREGID(rgid, egid) \
115 	safe_setregid(__FILE__, __LINE__, (rgid), (egid))
116 
117 int safe_setreuid(const char *file, const int lineno,
118 		  uid_t ruid, uid_t euid);
119 
120 #define SAFE_SETREUID(ruid, euid) \
121 	safe_setreuid(__FILE__, __LINE__, (ruid), (euid))
122 
123 int safe_setresgid(const char *file, const int lineno,
124 	gid_t rgid, gid_t egid, gid_t sgid);
125 #define SAFE_SETRESGID(rgid, egid, sgid) \
126 	safe_setresgid(__FILE__, __LINE__, (rgid), (egid), (sgid))
127 
128 int safe_setresuid(const char *file, const int lineno,
129 		  uid_t ruid, uid_t euid, uid_t suid);
130 #define SAFE_SETRESUID(ruid, euid, suid) \
131 	safe_setresuid(__FILE__, __LINE__, (ruid), (euid), (suid))
132 
133 #define SAFE_GETRESUID(ruid, euid, suid) \
134 	safe_getresuid(__FILE__, __LINE__, NULL, (ruid), (euid), (suid))
135 
136 #define SAFE_GETRESGID(rgid, egid, sgid) \
137 	safe_getresgid(__FILE__, __LINE__, NULL, (rgid), (egid), (sgid))
138 
139 int safe_setpgid(const char *file, const int lineno, pid_t pid, pid_t pgid);
140 
141 #define SAFE_SETPGID(pid, pgid) \
142 	safe_setpgid(__FILE__, __LINE__, (pid), (pgid))
143 
144 pid_t safe_getpgid(const char *file, const int lineno, pid_t pid);
145 
146 #define SAFE_GETPGID(pid) \
147 	safe_getpgid(__FILE__, __LINE__, (pid))
148 
149 int safe_setgroups(const char *file, const int lineno, size_t size, const gid_t *list);
150 
151 #define SAFE_SETGROUPS(size, list) \
152 	safe_setgroups(__FILE__, __LINE__, (size), (list))
153 
154 int safe_getgroups(const char *file, const int lineno, int size, gid_t list[]);
155 
156 #define SAFE_GETGROUPS(size, list) \
157 	safe_getgroups(__FILE__, __LINE__, (size), (list))
158 
159 #define SAFE_UNLINK(pathname) \
160 	safe_unlink(__FILE__, __LINE__, NULL, (pathname))
161 
162 #define SAFE_LINK(oldpath, newpath) \
163 	safe_link(__FILE__, __LINE__, NULL, (oldpath), (newpath))
164 
165 #define SAFE_LINKAT(olddirfd, oldpath, newdirfd, newpath, flags) \
166 	safe_linkat(__FILE__, __LINE__, NULL, (olddirfd), (oldpath), \
167 		    (newdirfd), (newpath), (flags))
168 
169 #define SAFE_READLINK(path, buf, bufsize) \
170 	safe_readlink(__FILE__, __LINE__, NULL, (path), (buf), (bufsize))
171 
172 #define SAFE_SYMLINK(oldpath, newpath) \
173 	safe_symlink(__FILE__, __LINE__, NULL, (oldpath), (newpath))
174 
175 #define SAFE_WRITE(len_strict, fildes, buf, nbyte) \
176 	safe_write(__FILE__, __LINE__, NULL, (len_strict), (fildes), (buf), (nbyte))
177 
178 #define SAFE_STRTOL(str, min, max) \
179 	safe_strtol(__FILE__, __LINE__, NULL, (str), (min), (max))
180 
181 #define SAFE_STRTOUL(str, min, max) \
182 	safe_strtoul(__FILE__, __LINE__, NULL, (str), (min), (max))
183 
184 #define SAFE_SYSCONF(name) \
185 	safe_sysconf(__FILE__, __LINE__, NULL, name)
186 
187 #define SAFE_CHMOD(path, mode) \
188 	safe_chmod(__FILE__, __LINE__, NULL, (path), (mode))
189 
190 #define SAFE_FCHMOD(fd, mode) \
191 	safe_fchmod(__FILE__, __LINE__, NULL, (fd), (mode))
192 
193 #define SAFE_CHOWN(path, owner, group) \
194 	safe_chown(__FILE__, __LINE__, NULL, (path), (owner), (group))
195 
196 #define SAFE_FCHOWN(fd, owner, group) \
197 	safe_fchown(__FILE__, __LINE__, NULL, (fd), (owner), (group))
198 
199 #define SAFE_WAIT(status) \
200 	safe_wait(__FILE__, __LINE__, NULL, (status))
201 
202 #define SAFE_WAITPID(pid, status, opts) \
203 	safe_waitpid(__FILE__, __LINE__, NULL, (pid), (status), (opts))
204 
205 #define SAFE_KILL(pid, sig) \
206 	safe_kill(__FILE__, __LINE__, NULL, (pid), (sig))
207 
208 #define SAFE_MEMALIGN(alignment, size) \
209 	safe_memalign(__FILE__, __LINE__, NULL, (alignment), (size))
210 
211 #define SAFE_MKFIFO(pathname, mode) \
212 	safe_mkfifo(__FILE__, __LINE__, NULL, (pathname), (mode))
213 
214 #define SAFE_RENAME(oldpath, newpath) \
215 	safe_rename(__FILE__, __LINE__, NULL, (oldpath), (newpath))
216 
217 #define SAFE_MOUNT(source, target, filesystemtype, \
218 		   mountflags, data) \
219 	safe_mount(__FILE__, __LINE__, NULL, (source), (target), \
220 		   (filesystemtype), (mountflags), (data))
221 
222 #define SAFE_UMOUNT(target) \
223 	safe_umount(__FILE__, __LINE__, NULL, (target))
224 
225 #define SAFE_OPENDIR(name) \
226 	safe_opendir(__FILE__, __LINE__, NULL, (name))
227 
228 #define SAFE_CLOSEDIR(dirp) \
229 	safe_closedir(__FILE__, __LINE__, NULL, (dirp))
230 
231 #define SAFE_READDIR(dirp) \
232 	safe_readdir(__FILE__, __LINE__, NULL, (dirp))
233 
234 #define SAFE_IOCTL_(file, lineno, fd, request, ...)          \
235 	({int tst_ret_ = ioctl(fd, request, ##__VA_ARGS__);  \
236 	  tst_ret_ < 0 ?                                     \
237 	   tst_brk_((file), (lineno), TBROK | TERRNO,        \
238 	            "ioctl(%i,%s,...) failed", fd, #request), 0 \
239 	 : tst_ret_;})
240 
241 #define SAFE_IOCTL(fd, request, ...) \
242 	SAFE_IOCTL_(__FILE__, __LINE__, (fd), (request), ##__VA_ARGS__)
243 
244 #define SAFE_FCNTL(fd, cmd, ...)                            \
245 	({int tst_ret_ = fcntl(fd, cmd, ##__VA_ARGS__);     \
246 	  tst_ret_ == -1 ?                                  \
247 	   tst_brk(TBROK | TERRNO,                          \
248 	            "fcntl(%i,%s,...) failed", fd, #cmd), 0 \
249 	 : tst_ret_;})
250 
251 /*
252  * following functions are inline because the behaviour may depend on
253  * -D_FILE_OFFSET_BITS=64 compile flag
254  */
255 
safe_mmap(const char * file,const int lineno,void * addr,size_t length,int prot,int flags,int fd,off_t offset)256 static inline void *safe_mmap(const char *file, const int lineno,
257                               void *addr, size_t length,
258                               int prot, int flags, int fd, off_t offset)
259 {
260 	void *rval;
261 
262 	rval = mmap(addr, length, prot, flags, fd, offset);
263 	if (rval == MAP_FAILED) {
264 		tst_brk_(file, lineno, TBROK | TERRNO,
265 			"mmap(%p,%zu,%d,%d,%d,%ld) failed",
266 			addr, length, prot, flags, fd, (long) offset);
267 	}
268 
269 	return rval;
270 }
271 #define SAFE_MMAP(addr, length, prot, flags, fd, offset) \
272 	safe_mmap(__FILE__, __LINE__, (addr), (length), (prot), \
273 	(flags), (fd), (offset))
274 
safe_ftruncate(const char * file,const int lineno,int fd,off_t length)275 static inline int safe_ftruncate(const char *file, const int lineno,
276                                  int fd, off_t length)
277 {
278 	int rval;
279 
280 	rval = ftruncate(fd, length);
281 
282 	if (rval == -1) {
283 		tst_brk_(file, lineno, TBROK | TERRNO,
284 			"ftruncate(%d,%ld) failed", fd, (long)length);
285 	} else if (rval) {
286 		tst_brk_(file, lineno, TBROK | TERRNO,
287 			"Invalid ftruncate(%d,%ld) return value %d", fd,
288 			(long)length, rval);
289 	}
290 
291 	return rval;
292 }
293 #define SAFE_FTRUNCATE(fd, length) \
294 	safe_ftruncate(__FILE__, __LINE__, (fd), (length))
295 
safe_truncate(const char * file,const int lineno,const char * path,off_t length)296 static inline int safe_truncate(const char *file, const int lineno,
297                                 const char *path, off_t length)
298 {
299 	int rval;
300 
301 	rval = truncate(path, length);
302 
303 	if (rval == -1) {
304 		tst_brk_(file, lineno, TBROK | TERRNO,
305 			"truncate(%s,%ld) failed", path, (long)length);
306 	} else if (rval) {
307 		tst_brk_(file, lineno, TBROK | TERRNO,
308 			"Invalid truncate(%s,%ld) return value %d", path,
309 			(long)length, rval);
310 	}
311 
312 	return rval;
313 }
314 #define SAFE_TRUNCATE(path, length) \
315 	safe_truncate(__FILE__, __LINE__, (path), (length))
316 
safe_stat(const char * file,const int lineno,const char * path,struct stat * buf)317 static inline int safe_stat(const char *file, const int lineno,
318                             const char *path, struct stat *buf)
319 {
320 	int rval;
321 
322 	rval = stat(path, buf);
323 
324 	if (rval == -1) {
325 		tst_brk_(file, lineno, TBROK | TERRNO,
326 			"stat(%s,%p) failed", path, buf);
327 	} else if (rval) {
328 		tst_brk_(file, lineno, TBROK | TERRNO,
329 			"Invalid stat(%s,%p) return value %d", path, buf,
330 			rval);
331 	}
332 
333 	return rval;
334 }
335 #define SAFE_STAT(path, buf) \
336 	safe_stat(__FILE__, __LINE__, (path), (buf))
337 
safe_fstat(const char * file,const int lineno,int fd,struct stat * buf)338 static inline int safe_fstat(const char *file, const int lineno,
339                              int fd, struct stat *buf)
340 {
341 	int rval;
342 
343 	rval = fstat(fd, buf);
344 
345 	if (rval == -1) {
346 		tst_brk_(file, lineno, TBROK | TERRNO,
347 			"fstat(%d,%p) failed", fd, buf);
348 	} else if (rval) {
349 		tst_brk_(file, lineno, TBROK | TERRNO,
350 			"Invalid fstat(%d,%p) return value %d", fd, buf, rval);
351 	}
352 
353 	return rval;
354 }
355 #define SAFE_FSTAT(fd, buf) \
356 	safe_fstat(__FILE__, __LINE__, (fd), (buf))
357 
safe_lstat(const char * file,const int lineno,const char * path,struct stat * buf)358 static inline int safe_lstat(const char *file, const int lineno,
359 	const char *path, struct stat *buf)
360 {
361 	int rval;
362 
363 	rval = lstat(path, buf);
364 
365 	if (rval == -1) {
366 		tst_brk_(file, lineno, TBROK | TERRNO,
367 			"lstat(%s,%p) failed", path, buf);
368 	} else if (rval) {
369 		tst_brk_(file, lineno, TBROK | TERRNO,
370 			"Invalid lstat(%s,%p) return value %d", path, buf,
371 			rval);
372 	}
373 
374 	return rval;
375 }
376 #define SAFE_LSTAT(path, buf) \
377 	safe_lstat(__FILE__, __LINE__, (path), (buf))
378 
safe_statfs(const char * file,const int lineno,const char * path,struct statfs * buf)379 static inline int safe_statfs(const char *file, const int lineno,
380                               const char *path, struct statfs *buf)
381 {
382 	int rval;
383 
384 	rval = statfs(path, buf);
385 
386 	if (rval == -1) {
387 		tst_brk_(file, lineno, TBROK | TERRNO,
388 			"statfs(%s,%p) failed", path, buf);
389 	} else if (rval) {
390 		tst_brk_(file, lineno, TBROK | TERRNO,
391 			"Invalid statfs(%s,%p) return value %d", path, buf,
392 			rval);
393 	}
394 
395 	return rval;
396 }
397 #define SAFE_STATFS(path, buf) \
398 	safe_statfs(__FILE__, __LINE__, (path), (buf))
399 
safe_lseek(const char * file,const int lineno,int fd,off_t offset,int whence)400 static inline off_t safe_lseek(const char *file, const int lineno,
401                                int fd, off_t offset, int whence)
402 {
403 	off_t rval;
404 
405 	rval = lseek(fd, offset, whence);
406 
407 	if (rval == (off_t) -1) {
408 		tst_brk_(file, lineno, TBROK | TERRNO,
409 			"lseek(%d,%ld,%d) failed", fd, (long)offset, whence);
410 	} else if (rval < 0) {
411 		tst_brk_(file, lineno, TBROK | TERRNO,
412 			"Invalid lseek(%d,%ld,%d) return value %ld", fd,
413 			(long)offset, whence, (long)rval);
414 	}
415 
416 	return rval;
417 }
418 #define SAFE_LSEEK(fd, offset, whence) \
419 	safe_lseek(__FILE__, __LINE__, (fd), (offset), (whence))
420 
safe_getrlimit(const char * file,const int lineno,int resource,struct rlimit * rlim)421 static inline int safe_getrlimit(const char *file, const int lineno,
422                                  int resource, struct rlimit *rlim)
423 {
424 	int rval;
425 
426 	rval = getrlimit(resource, rlim);
427 
428 	if (rval == -1) {
429 		tst_brk_(file, lineno, TBROK | TERRNO,
430 			"getrlimit(%d,%p) failed", resource, rlim);
431 	} else if (rval) {
432 		tst_brk_(file, lineno, TBROK | TERRNO,
433 			"Invalid getrlimit(%d,%p) return value %d", resource,
434 			rlim, rval);
435 	}
436 
437 	return rval;
438 }
439 #define SAFE_GETRLIMIT(resource, rlim) \
440 	safe_getrlimit(__FILE__, __LINE__, (resource), (rlim))
441 
safe_setrlimit(const char * file,const int lineno,int resource,const struct rlimit * rlim)442 static inline int safe_setrlimit(const char *file, const int lineno,
443                                  int resource, const struct rlimit *rlim)
444 {
445 	int rval;
446 
447 	rval = setrlimit(resource, rlim);
448 
449 	if (rval == -1) {
450 		tst_brk_(file, lineno, TBROK | TERRNO,
451 			"setrlimit(%d,%p) failed", resource, rlim);
452 	} else if (rval) {
453 		tst_brk_(file, lineno, TBROK | TERRNO,
454 			"Invalid setrlimit(%d,%p) return value %d", resource,
455 			rlim, rval);
456 	}
457 
458 	return rval;
459 }
460 #define SAFE_SETRLIMIT(resource, rlim) \
461 	safe_setrlimit(__FILE__, __LINE__, (resource), (rlim))
462 
463 typedef void (*sighandler_t)(int);
464 sighandler_t safe_signal(const char *file, const int lineno,
465 	int signum, sighandler_t handler);
466 
467 #define SAFE_SIGNAL(signum, handler) \
468 	safe_signal(__FILE__, __LINE__, (signum), (handler))
469 
470 int safe_sigaction(const char *file, const int lineno,
471                    int signum, const struct sigaction *act,
472                    struct sigaction *oldact);
473 #define SAFE_SIGACTION(signum, act, oldact) \
474 	safe_sigaction(__FILE__, __LINE__, (signum), (act), (oldact))
475 
476 int safe_sigaddset(const char *file, const int lineno,
477                     sigset_t *sigs, int signo);
478 #define SAFE_SIGADDSET(sigs, signo) \
479 	safe_sigaddset(__FILE__, __LINE__, (sigs), (signo))
480 
481 int safe_sigdelset(const char *file, const int lineno,
482                     sigset_t *sigs, int signo);
483 #define SAFE_SIGDELSET(sigs, signo) \
484 	safe_sigdelset(__FILE__, __LINE__, (sigs), (signo))
485 
486 int safe_sigemptyset(const char *file, const int lineno,
487                       sigset_t *sigs);
488 #define SAFE_SIGEMPTYSET(sigs) \
489 	safe_sigemptyset(__FILE__, __LINE__, (sigs))
490 
491 int safe_sigfillset(const char *file, const int lineno,
492 		     sigset_t *sigs);
493 #define SAFE_SIGFILLSET(sigs) \
494 	safe_sigfillset(__FILE__, __LINE__, (sigs))
495 
496 int safe_sigprocmask(const char *file, const int lineno,
497                       int how, sigset_t *set, sigset_t *oldset);
498 #define SAFE_SIGPROCMASK(how, set, oldset) \
499 	safe_sigprocmask(__FILE__, __LINE__, (how), (set), (oldset))
500 
501 int safe_sigwait(const char *file, const int lineno,
502                   sigset_t *set, int *sig);
503 #define SAFE_SIGWAIT(set, sig) \
504 	safe_sigwait(__FILE__, __LINE__, (set), (sig))
505 
506 #define SAFE_EXECLP(file, arg, ...) do {                   \
507 	execlp((file), (arg), ##__VA_ARGS__);              \
508 	tst_brk_(__FILE__, __LINE__, TBROK | TERRNO,       \
509 	         "execlp(%s, %s, ...) failed", file, arg); \
510 	} while (0)
511 
512 #define SAFE_EXECL(file, arg, ...) do {				\
513        execl((file), (arg), ##__VA_ARGS__);			\
514        tst_brk_(__FILE__, __LINE__, TBROK | TERRNO,		\
515                 "execl(%s, %s, ...) failed", file, arg); 	\
516        } while (0)
517 
518 #define SAFE_EXECVP(file, arg) do {                   \
519 	execvp((file), (arg));              \
520 	tst_brk_(__FILE__, __LINE__, TBROK | TERRNO,       \
521 	         "execvp(%s, %p) failed", file, arg); \
522 	} while (0)
523 
524 int safe_getpriority(const char *file, const int lineno, int which, id_t who);
525 #define SAFE_GETPRIORITY(which, who) \
526 	safe_getpriority(__FILE__, __LINE__, (which), (who))
527 
528 struct group *safe_getgrnam(const char *file, const int lineno,
529 			    const char *name);
530 #define SAFE_GETGRNAM(name) \
531 	safe_getgrnam(__FILE__, __LINE__, (name))
532 
533 struct group *safe_getgrnam_fallback(const char *file, const int lineno,
534 		const char *name, const char *fallback);
535 #define SAFE_GETGRNAM_FALLBACK(name, fallback) \
536 	safe_getgrnam_fallback(__FILE__, __LINE__, (name), (fallback))
537 
538 struct group *safe_getgrgid(const char *file, const int lineno, gid_t gid);
539 #define SAFE_GETGRGID(gid) \
540 	safe_getgrgid(__FILE__, __LINE__, (gid))
541 
542 ssize_t safe_getxattr(const char *file, const int lineno, const char *path,
543 	const char *name, void *value, size_t size);
544 #define SAFE_GETXATTR(path, name, value, size) \
545 	safe_getxattr(__FILE__, __LINE__, (path), (name), (value), (size))
546 
547 int safe_setxattr(const char *file, const int lineno, const char *path,
548             const char *name, const void *value, size_t size, int flags);
549 #define SAFE_SETXATTR(path, name, value, size, flags) \
550 	safe_setxattr(__FILE__, __LINE__, (path), (name), (value), (size), (flags))
551 
552 int safe_lsetxattr(const char *file, const int lineno, const char *path,
553             const char *name, const void *value, size_t size, int flags);
554 #define SAFE_LSETXATTR(path, name, value, size, flags) \
555 	safe_lsetxattr(__FILE__, __LINE__, (path), (name), (value), (size), (flags))
556 
557 int safe_fsetxattr(const char *file, const int lineno, int fd, const char *name,
558             const void *value, size_t size, int flags);
559 #define SAFE_FSETXATTR(fd, name, value, size, flags) \
560 	safe_fsetxattr(__FILE__, __LINE__, (fd), (name), (value), (size), (flags))
561 
562 int safe_removexattr(const char *file, const int lineno, const char *path,
563 		const char *name);
564 #define SAFE_REMOVEXATTR(path, name) \
565 	safe_removexattr(__FILE__, __LINE__, (path), (name))
566 
567 int safe_lremovexattr(const char *file, const int lineno, const char *path,
568 		const char *name);
569 #define SAFE_LREMOVEXATTR(path, name) \
570 	safe_lremovexattr(__FILE__, __LINE__, (path), (name))
571 
572 int safe_fremovexattr(const char *file, const int lineno, int fd,
573 		const char *name);
574 #define SAFE_FREMOVEXATTR(fd, name) \
575 	safe_fremovexattr(__FILE__, __LINE__, (fd), (name))
576 
577 int safe_fsync(const char *file, const int lineno, int fd);
578 #define SAFE_FSYNC(fd) safe_fsync(__FILE__, __LINE__, (fd))
579 
580 int safe_setsid(const char *file, const int lineno);
581 #define SAFE_SETSID() safe_setsid(__FILE__, __LINE__)
582 
583 int safe_mknod(const char *file, const int lineno, const char *pathname,
584 	mode_t mode, dev_t dev);
585 #define SAFE_MKNOD(pathname, mode, dev) \
586 	safe_mknod(__FILE__, __LINE__, (pathname), (mode), (dev))
587 
588 int safe_mlock(const char *file, const int lineno, const char *addr,
589 	size_t len);
590 #define SAFE_MLOCK(addr, len) safe_mlock(__FILE__, __LINE__, (addr), (len))
591 
592 int safe_munlock(const char *file, const int lineno, const char *addr,
593 	size_t len);
594 #define SAFE_MUNLOCK(addr, len) safe_munlock(__FILE__, __LINE__, (addr), (len))
595 
596 int safe_mincore(const char *file, const int lineno, void *start,
597 	size_t length, unsigned char *vec);
598 #define SAFE_MINCORE(start, length, vec) \
599 	safe_mincore(__FILE__, __LINE__, (start), (length), (vec))
600 
601 int safe_personality(const char *filename, unsigned int lineno,
602 		    unsigned long persona);
603 #define SAFE_PERSONALITY(persona) safe_personality(__FILE__, __LINE__, persona)
604 
605 #define SAFE_SETENV(name, value, overwrite) do {		\
606 	if (setenv(name, value, overwrite)) {			\
607 		tst_brk_(__FILE__, __LINE__, TBROK | TERRNO,	\
608 			"setenv(%s, %s, %d) failed",		\
609 			name, value, overwrite);		\
610 	}							\
611 	} while (0)
612 
613 int safe_unshare(const char *file, const int lineno, int flags);
614 #define SAFE_UNSHARE(flags) safe_unshare(__FILE__, __LINE__, (flags))
615 
616 int safe_setns(const char *file, const int lineno, int fd, int nstype);
617 #define SAFE_SETNS(fd, nstype) safe_setns(__FILE__, __LINE__, (fd), (nstype))
618 
619 void safe_cmd(const char *file, const int lineno, const char *const argv[],
620 	const char *stdout_path, const char *stderr_path);
621 
622 #define SAFE_CMD(argv, stdout_path, stderr_path) \
623 	safe_cmd(__FILE__, __LINE__, (argv), (stdout_path), (stderr_path))
624 /*
625  * SAFE_PTRACE() treats any non-zero return value as error. Don't use it
626  * for requests like PTRACE_PEEK* or PTRACE_SECCOMP_GET_FILTER which use
627  * the return value to pass arbitrary data.
628  */
629 long tst_safe_ptrace(const char *file, const int lineno, int req, pid_t pid,
630 	void *addr, void *data);
631 #define SAFE_PTRACE(req, pid, addr, data) \
632 	tst_safe_ptrace(__FILE__, __LINE__, req, pid, addr, data)
633 
634 int safe_sysinfo(const char *file, const int lineno, struct sysinfo *info);
635 #define SAFE_SYSINFO(info) \
636 	safe_sysinfo(__FILE__, __LINE__, (info))
637 
638 #endif /* SAFE_MACROS_H__ */
639