diff options
Diffstat (limited to 'io/tst-fchownat.c')
| -rw-r--r-- | io/tst-fchownat.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/io/tst-fchownat.c b/io/tst-fchownat.c deleted file mode 100644 index fd32ac9..0000000 --- a/io/tst-fchownat.c +++ /dev/null @@ -1,190 +0,0 @@ -#include <dirent.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - - -static void prepare (void); -#define PREPARE(argc, argv) prepare () - -static int do_test (void); -#define TEST_FUNCTION do_test () - -#include "../test-skeleton.c" - -static int dir_fd; - -static void -prepare (void) -{ -#if _POSIX_CHOWN_RESTRICTED > 0 - uid_t uid = getuid (); - if (uid != 0) - { - puts ("need root privileges"); - exit (0); - } -#endif - - size_t test_dir_len = strlen (test_dir); - static const char dir_name[] = "/tst-fchownat.XXXXXX"; - - size_t dirbuflen = test_dir_len + sizeof (dir_name); - char *dirbuf = malloc (dirbuflen); - if (dirbuf == NULL) - { - puts ("out of memory"); - exit (1); - } - - snprintf (dirbuf, dirbuflen, "%s%s", test_dir, dir_name); - if (mkdtemp (dirbuf) == NULL) - { - puts ("cannot create temporary directory"); - exit (1); - } - - add_temp_file (dirbuf); - - dir_fd = open (dirbuf, O_RDONLY | O_DIRECTORY); - if (dir_fd == -1) - { - puts ("cannot open directory"); - exit (1); - } -} - - -static int -do_test (void) -{ - /* fdopendir takes over the descriptor, make a copy. */ - int dupfd = dup (dir_fd); - if (dupfd == -1) - { - puts ("dup failed"); - return 1; - } - if (lseek (dupfd, 0, SEEK_SET) != 0) - { - puts ("1st lseek failed"); - return 1; - } - - /* The directory should be empty safe the . and .. files. */ - DIR *dir = fdopendir (dupfd); - if (dir == NULL) - { - puts ("fdopendir failed"); - return 1; - } - struct dirent64 *d; - while ((d = readdir64 (dir)) != NULL) - if (strcmp (d->d_name, ".") != 0 && strcmp (d->d_name, "..") != 0) - { - printf ("temp directory contains file \"%s\"\n", d->d_name); - return 1; - } - closedir (dir); - - /* Try to create a file. */ - int fd = openat (dir_fd, "some-file", O_CREAT|O_RDWR|O_EXCL, 0666); - if (fd == -1) - { - if (errno == ENOSYS) - { - puts ("*at functions not supported"); - return 0; - } - - puts ("file creation failed"); - return 1; - } - write (fd, "hello", 5); - puts ("file created"); - - struct stat64 st1; - if (fstat64 (fd, &st1) != 0) - { - puts ("fstat64 failed"); - return 1; - } - - /* Before closing the file, try using this file descriptor to open - another file. This must fail. */ - if (fchownat (fd, "some-file", 1, 1, 0) != -1) - { - puts ("fchownat using descriptor for normal file worked"); - return 1; - } - if (errno != ENOTDIR) - { - puts ("\ -error for fchownat using descriptor for normal file not ENOTDIR "); - return 1; - } - - close (fd); - - if (fchownat (dir_fd, "some-file", st1.st_uid + 1, st1.st_gid + 1, 0) != 0) - { - puts ("fchownat failed"); - return 1; - } - - struct stat64 st2; - if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0) - { - puts ("fstatat64 failed"); - return 1; - } - - if (st1.st_uid + 1 != st2.st_uid || st1.st_gid + 1 != st2.st_gid) - { - puts ("owner change failed"); - return 1; - } - - if (unlinkat (dir_fd, "some-file", 0) != 0) - { - puts ("unlinkat failed"); - return 1; - } - - /* Create a file descriptor which is closed again right away. */ - int dir_fd2 = dup (dir_fd); - if (dir_fd2 == -1) - { - puts ("dup failed"); - return 1; - } - close (dir_fd2); - - if (fchownat (dir_fd2, "some-file", 1, 1, 0) != -1) - { - puts ("fchownat using closed descriptor worked"); - return 1; - } - if (errno != EBADF) - { - puts ("error for fchownat using closed descriptor not EBADF "); - return 1; - } - - close (dir_fd); - - if (fchownat (-1, "some-file", 1, 1, 0) != -1) - { - puts ("fchownat using invalid descriptor worked"); - return 1; - } - if (errno != EBADF) - { - puts ("error for fchownat using invalid descriptor not EBADF "); - return 1; - } - - return 0; -} |