/* SPDX-License-Identifier: GPL-2.0-or-later * Copyright (c) 2010-2018 Linux Test Project * Copyright (c) 2011-2015 Cyril Hrubis */ #ifndef TST_SAFE_MACROS_H__ #define TST_SAFE_MACROS_H__ #include #include #include #include #include #include #include #include #include #include #include #include #include #include "safe_macros_fn.h" #include "tst_cmd.h" #define SAFE_BASENAME(path) \ safe_basename(__FILE__, __LINE__, NULL, (path)) #define SAFE_CHDIR(path) \ safe_chdir(__FILE__, __LINE__, NULL, (path)) #define SAFE_CLOSE(fd) do { \ safe_close(__FILE__, __LINE__, NULL, (fd)); \ fd = -1; \ } while (0) #define SAFE_CREAT(pathname, mode) \ safe_creat(__FILE__, __LINE__, NULL, (pathname), (mode)) #define SAFE_CHROOT(path) \ safe_chroot(__FILE__, __LINE__, (path)) int safe_chroot(const char *file, const int lineno, const char *path); #define SAFE_DIRNAME(path) \ safe_dirname(__FILE__, __LINE__, NULL, (path)) static inline int safe_dup(const char *file, const int lineno, int oldfd) { int rval; rval = dup(oldfd); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "dup(%i) failed", oldfd); } return rval; } #define SAFE_DUP(oldfd) \ safe_dup(__FILE__, __LINE__, (oldfd)) #define SAFE_GETCWD(buf, size) \ safe_getcwd(__FILE__, __LINE__, NULL, (buf), (size)) #define SAFE_GETPWNAM(name) \ safe_getpwnam(__FILE__, __LINE__, NULL, (name)) #define SAFE_GETRUSAGE(who, usage) \ safe_getrusage(__FILE__, __LINE__, NULL, (who), (usage)) #define SAFE_MALLOC(size) \ safe_malloc(__FILE__, __LINE__, NULL, (size)) #define SAFE_MKDIR(pathname, mode) \ safe_mkdir(__FILE__, __LINE__, NULL, (pathname), (mode)) #define SAFE_RMDIR(pathname) \ safe_rmdir(__FILE__, __LINE__, NULL, (pathname)) #define SAFE_MUNMAP(addr, length) \ safe_munmap(__FILE__, __LINE__, NULL, (addr), (length)) #define SAFE_OPEN(pathname, oflags, ...) \ safe_open(__FILE__, __LINE__, NULL, (pathname), (oflags), \ ##__VA_ARGS__) #define SAFE_PIPE(fildes) \ safe_pipe(__FILE__, __LINE__, NULL, (fildes)) int safe_pipe2(const char *file, const int lineno, int fildes[2], int flags); #define SAFE_PIPE2(fildes, flags) \ safe_pipe2(__FILE__, __LINE__, (fildes), (flags)) #define SAFE_READ(len_strict, fildes, buf, nbyte) \ safe_read(__FILE__, __LINE__, NULL, (len_strict), (fildes), (buf), (nbyte)) #define SAFE_SETEGID(egid) \ safe_setegid(__FILE__, __LINE__, NULL, (egid)) #define SAFE_SETEUID(euid) \ safe_seteuid(__FILE__, __LINE__, NULL, (euid)) #define SAFE_SETGID(gid) \ safe_setgid(__FILE__, __LINE__, NULL, (gid)) #define SAFE_SETUID(uid) \ safe_setuid(__FILE__, __LINE__, NULL, (uid)) int safe_setregid(const char *file, const int lineno, gid_t rgid, gid_t egid); #define SAFE_SETREGID(rgid, egid) \ safe_setregid(__FILE__, __LINE__, (rgid), (egid)) int safe_setreuid(const char *file, const int lineno, uid_t ruid, uid_t euid); #define SAFE_SETREUID(ruid, euid) \ safe_setreuid(__FILE__, __LINE__, (ruid), (euid)) #define SAFE_GETRESUID(ruid, euid, suid) \ safe_getresuid(__FILE__, __LINE__, NULL, (ruid), (euid), (suid)) #define SAFE_GETRESGID(rgid, egid, sgid) \ safe_getresgid(__FILE__, __LINE__, NULL, (rgid), (egid), (sgid)) int safe_setpgid(const char *file, const int lineno, pid_t pid, pid_t pgid); #define SAFE_SETPGID(pid, pgid) \ safe_setpgid(__FILE__, __LINE__, (pid), (pgid)); pid_t safe_getpgid(const char *file, const int lineno, pid_t pid); #define SAFE_GETPGID(pid) \ safe_getpgid(__FILE__, __LINE__, (pid)) #define SAFE_UNLINK(pathname) \ safe_unlink(__FILE__, __LINE__, NULL, (pathname)) #define SAFE_LINK(oldpath, newpath) \ safe_link(__FILE__, __LINE__, NULL, (oldpath), (newpath)) #define SAFE_LINKAT(olddirfd, oldpath, newdirfd, newpath, flags) \ safe_linkat(__FILE__, __LINE__, NULL, (olddirfd), (oldpath), \ (newdirfd), (newpath), (flags)) #define SAFE_READLINK(path, buf, bufsize) \ safe_readlink(__FILE__, __LINE__, NULL, (path), (buf), (bufsize)) #define SAFE_SYMLINK(oldpath, newpath) \ safe_symlink(__FILE__, __LINE__, NULL, (oldpath), (newpath)) #define SAFE_WRITE(len_strict, fildes, buf, nbyte) \ safe_write(__FILE__, __LINE__, NULL, (len_strict), (fildes), (buf), (nbyte)) #define SAFE_STRTOL(str, min, max) \ safe_strtol(__FILE__, __LINE__, NULL, (str), (min), (max)) #define SAFE_STRTOUL(str, min, max) \ safe_strtoul(__FILE__, __LINE__, NULL, (str), (min), (max)) #define SAFE_SYSCONF(name) \ safe_sysconf(__FILE__, __LINE__, NULL, name) #define SAFE_CHMOD(path, mode) \ safe_chmod(__FILE__, __LINE__, NULL, (path), (mode)) #define SAFE_FCHMOD(fd, mode) \ safe_fchmod(__FILE__, __LINE__, NULL, (fd), (mode)) #define SAFE_CHOWN(path, owner, group) \ safe_chown(__FILE__, __LINE__, NULL, (path), (owner), (group)) #define SAFE_FCHOWN(fd, owner, group) \ safe_fchown(__FILE__, __LINE__, NULL, (fd), (owner), (group)) #define SAFE_WAIT(status) \ safe_wait(__FILE__, __LINE__, NULL, (status)) #define SAFE_WAITPID(pid, status, opts) \ safe_waitpid(__FILE__, __LINE__, NULL, (pid), (status), (opts)) #define SAFE_KILL(pid, sig) \ safe_kill(__FILE__, __LINE__, NULL, (pid), (sig)) #define SAFE_MEMALIGN(alignment, size) \ safe_memalign(__FILE__, __LINE__, NULL, (alignment), (size)) #define SAFE_MKFIFO(pathname, mode) \ safe_mkfifo(__FILE__, __LINE__, NULL, (pathname), (mode)) #define SAFE_RENAME(oldpath, newpath) \ safe_rename(__FILE__, __LINE__, NULL, (oldpath), (newpath)) #define SAFE_MOUNT(source, target, filesystemtype, \ mountflags, data) \ safe_mount(__FILE__, __LINE__, NULL, (source), (target), \ (filesystemtype), (mountflags), (data)) #define SAFE_UMOUNT(target) \ safe_umount(__FILE__, __LINE__, NULL, (target)) #define SAFE_OPENDIR(name) \ safe_opendir(__FILE__, __LINE__, NULL, (name)) #define SAFE_CLOSEDIR(dirp) \ safe_closedir(__FILE__, __LINE__, NULL, (dirp)) #define SAFE_READDIR(dirp) \ safe_readdir(__FILE__, __LINE__, NULL, (dirp)) #define SAFE_IOCTL(fd, request, ...) \ ({int tst_ret_ = ioctl(fd, request, ##__VA_ARGS__); \ tst_ret_ < 0 ? \ tst_brk(TBROK | TERRNO, \ "ioctl(%i,%s,...) failed", fd, #request), 0 \ : tst_ret_;}) #define SAFE_FCNTL(fd, cmd, ...) \ ({int tst_ret_ = fcntl(fd, cmd, ##__VA_ARGS__); \ tst_ret_ == -1 ? \ tst_brk(TBROK | TERRNO, \ "fcntl(%i,%s,...) failed", fd, #cmd), 0 \ : tst_ret_;}) /* * following functions are inline because the behaviour may depend on * -D_FILE_OFFSET_BITS=64 -DOFF_T=off64_t compile flags */ static inline void *safe_mmap(const char *file, const int lineno, void *addr, size_t length, int prot, int flags, int fd, off_t offset) { void *rval; rval = mmap(addr, length, prot, flags, fd, offset); if (rval == MAP_FAILED) { tst_brk_(file, lineno, TBROK | TERRNO, "mmap(%p,%zu,%d,%d,%d,%ld) failed", addr, length, prot, flags, fd, (long) offset); } return rval; } #define SAFE_MMAP(addr, length, prot, flags, fd, offset) \ safe_mmap(__FILE__, __LINE__, (addr), (length), (prot), \ (flags), (fd), (offset)) static inline int safe_ftruncate(const char *file, const int lineno, int fd, off_t length) { int rval; rval = ftruncate(fd, length); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "ftruncate(%d,%ld) failed", fd, (long)length); } return rval; } #define SAFE_FTRUNCATE(fd, length) \ safe_ftruncate(__FILE__, __LINE__, (fd), (length)) static inline int safe_truncate(const char *file, const int lineno, const char *path, off_t length) { int rval; rval = truncate(path, length); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "truncate(%s,%ld) failed", path, (long)length); } return rval; } #define SAFE_TRUNCATE(path, length) \ safe_truncate(__FILE__, __LINE__, (path), (length)) static inline int safe_stat(const char *file, const int lineno, const char *path, struct stat *buf) { int rval; rval = stat(path, buf); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "stat(%s,%p) failed", path, buf); } return rval; } #define SAFE_STAT(path, buf) \ safe_stat(__FILE__, __LINE__, (path), (buf)) static inline int safe_fstat(const char *file, const int lineno, int fd, struct stat *buf) { int rval; rval = fstat(fd, buf); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "fstat(%d,%p) failed", fd, buf); } return rval; } #define SAFE_FSTAT(fd, buf) \ safe_fstat(__FILE__, __LINE__, (fd), (buf)) static inline int safe_lstat(const char *file, const int lineno, const char *path, struct stat *buf) { int rval; rval = lstat(path, buf); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "lstat(%s,%p) failed", path, buf); } return rval; } #define SAFE_LSTAT(path, buf) \ safe_lstat(__FILE__, __LINE__, (path), (buf)) static inline int safe_statfs(const char *file, const int lineno, const char *path, struct statfs *buf) { int rval; rval = statfs(path, buf); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "statfs(%s,%p) failed", path, buf); } return rval; } #define SAFE_STATFS(path, buf) \ safe_statfs(__FILE__, __LINE__, (path), (buf)) static inline off_t safe_lseek(const char *file, const int lineno, int fd, off_t offset, int whence) { off_t rval; rval = lseek(fd, offset, whence); if (rval == (off_t) -1) { tst_brk_(file, lineno, TBROK | TERRNO, "lseek(%d,%ld,%d) failed", fd, (long)offset, whence); } return rval; } #define SAFE_LSEEK(fd, offset, whence) \ safe_lseek(__FILE__, __LINE__, (fd), (offset), (whence)) static inline int safe_getrlimit(const char *file, const int lineno, int resource, struct rlimit *rlim) { int rval; rval = getrlimit(resource, rlim); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "getrlimit(%d,%p) failed", resource, rlim); } return rval; } #define SAFE_GETRLIMIT(resource, rlim) \ safe_getrlimit(__FILE__, __LINE__, (resource), (rlim)) static inline int safe_setrlimit(const char *file, const int lineno, int resource, const struct rlimit *rlim) { int rval; rval = setrlimit(resource, rlim); if (rval == -1) { tst_brk_(file, lineno, TBROK | TERRNO, "setrlimit(%d,%p) failed", resource, rlim); } return rval; } #define SAFE_SETRLIMIT(resource, rlim) \ safe_setrlimit(__FILE__, __LINE__, (resource), (rlim)) typedef void (*sighandler_t)(int); static inline sighandler_t safe_signal(const char *file, const int lineno, int signum, sighandler_t handler) { sighandler_t rval; rval = signal(signum, handler); if (rval == SIG_ERR) { tst_brk_(file, lineno, TBROK | TERRNO, "signal(%d,%p) failed", signum, handler); } return rval; } #define SAFE_SIGNAL(signum, handler) \ safe_signal(__FILE__, __LINE__, (signum), (handler)) int safe_sigaction(const char *file, const int lineno, int signum, const struct sigaction *act, struct sigaction *oldact); #define SAFE_SIGACTION(signum, act, oldact) \ safe_sigaction(__FILE__, __LINE__, (signum), (act), (oldact)) #define SAFE_EXECLP(file, arg, ...) do { \ execlp((file), (arg), ##__VA_ARGS__); \ tst_brk_(__FILE__, __LINE__, TBROK | TERRNO, \ "execlp(%s, %s, ...) failed", file, arg); \ } while (0) #define SAFE_EXECL(file, arg, ...) do { \ execl((file), (arg), ##__VA_ARGS__); \ tst_brk_(__FILE__, __LINE__, TBROK | TERRNO, \ "execl(%s, %s, ...) failed", file, arg); \ } while (0) int safe_getpriority(const char *file, const int lineno, int which, id_t who); #define SAFE_GETPRIORITY(which, who) \ safe_getpriority(__FILE__, __LINE__, (which), (who)) struct group *safe_getgrnam(const char *file, const int lineno, const char *name); #define SAFE_GETGRNAM(name) \ safe_getgrnam(__FILE__, __LINE__, (name)) struct group *safe_getgrnam_fallback(const char *file, const int lineno, const char *name, const char *fallback); #define SAFE_GETGRNAM_FALLBACK(name, fallback) \ safe_getgrnam_fallback(__FILE__, __LINE__, (name), (fallback)) struct group *safe_getgrgid(const char *file, const int lineno, gid_t gid); #define SAFE_GETGRGID(gid) \ safe_getgrgid(__FILE__, __LINE__, (gid)) ssize_t safe_getxattr(const char *file, const int lineno, const char *path, const char *name, void *value, size_t size); #define SAFE_GETXATTR(path, name, value, size) \ safe_getxattr(__FILE__, __LINE__, (path), (name), (value), (size)) int safe_setxattr(const char *file, const int lineno, const char *path, const char *name, const void *value, size_t size, int flags); #define SAFE_SETXATTR(path, name, value, size, flags) \ safe_setxattr(__FILE__, __LINE__, (path), (name), (value), (size), (flags)) int safe_lsetxattr(const char *file, const int lineno, const char *path, const char *name, const void *value, size_t size, int flags); #define SAFE_LSETXATTR(path, name, value, size, flags) \ safe_lsetxattr(__FILE__, __LINE__, (path), (name), (value), (size), (flags)) int safe_fsetxattr(const char *file, const int lineno, int fd, const char *name, const void *value, size_t size, int flags); #define SAFE_FSETXATTR(fd, name, value, size, flags) \ safe_fsetxattr(__FILE__, __LINE__, (fd), (name), (value), (size), (flags)) int safe_removexattr(const char *file, const int lineno, const char *path, const char *name); #define SAFE_REMOVEXATTR(path, name) \ safe_removexattr(__FILE__, __LINE__, (path), (name)) int safe_lremovexattr(const char *file, const int lineno, const char *path, const char *name); #define SAFE_LREMOVEXATTR(path, name) \ safe_lremovexattr(__FILE__, __LINE__, (path), (name)) int safe_fremovexattr(const char *file, const int lineno, int fd, const char *name); #define SAFE_FREMOVEXATTR(fd, name) \ safe_fremovexattr(__FILE__, __LINE__, (fd), (name)) int safe_fsync(const char *file, const int lineno, int fd); #define SAFE_FSYNC(fd) safe_fsync(__FILE__, __LINE__, (fd)) int safe_setsid(const char *file, const int lineno); #define SAFE_SETSID() safe_setsid(__FILE__, __LINE__) int safe_mknod(const char *file, const int lineno, const char *pathname, mode_t mode, dev_t dev); #define SAFE_MKNOD(pathname, mode, dev) \ safe_mknod(__FILE__, __LINE__, (pathname), (mode), (dev)) int safe_mlock(const char *file, const int lineno, const char *addr, size_t len); #define SAFE_MLOCK(addr, len) safe_mlock(__FILE__, __LINE__, (addr), (len)) int safe_munlock(const char *file, const int lineno, const char *addr, size_t len); #define SAFE_MUNLOCK(addr, len) safe_munlock(__FILE__, __LINE__, (addr), (len)) int safe_mincore(const char *file, const int lineno, void *start, size_t length, unsigned char *vec); #define SAFE_MINCORE(start, length, vec) \ safe_mincore(__FILE__, __LINE__, (start), (length), (vec)) int safe_fanotify_init(const char *file, const int lineno, unsigned int flags, unsigned int event_f_flags); #define SAFE_FANOTIFY_INIT(fan, mode) \ safe_fanotify_init(__FILE__, __LINE__, (fan), (mode)) int safe_personality(const char *filename, unsigned int lineno, unsigned long persona); #define SAFE_PERSONALITY(persona) safe_personality(__FILE__, __LINE__, persona) #define SAFE_SETENV(name, value, overwrite) do { \ if (setenv(name, value, overwrite)) { \ tst_brk_(__FILE__, __LINE__, TBROK | TERRNO, \ "setenv(%s, %s, %d) failed", \ name, value, overwrite); \ } \ } while (0) void safe_unshare(const char *file, const int lineno, int flags); #define SAFE_UNSHARE(flags) safe_unshare(__FILE__, __LINE__, (flags)) void safe_setns(const char *file, const int lineno, int fd, int nstype); #define SAFE_SETNS(fd, nstype) safe_setns(__FILE__, __LINE__, (fd), (nstype)); static inline void safe_cmd(const char *file, const int lineno, const char *const argv[], const char *stdout_path, const char *stderr_path) { int rval; switch ((rval = tst_cmd(argv, stdout_path, stderr_path, TST_CMD_PASS_RETVAL | TST_CMD_TCONF_ON_MISSING))) { case 0: break; default: tst_brk(TBROK, "%s:%d: %s failed (%d)", file, lineno, argv[0], rval); } } #define SAFE_CMD(argv, stdout_path, stderr_path) \ safe_cmd(__FILE__, __LINE__, (argv), (stdout_path), (stderr_path)) /* * SAFE_PTRACE() treats any non-zero return value as error. Don't use it * for requests like PTRACE_PEEK* or PTRACE_SECCOMP_GET_FILTER which use * the return value to pass arbitrary data. */ long tst_safe_ptrace(const char *file, const int lineno, int req, pid_t pid, void *addr, void *data); #define SAFE_PTRACE(req, pid, addr, data) \ tst_safe_ptrace(__FILE__, __LINE__, req, pid, addr, data) #endif /* SAFE_MACROS_H__ */