diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | io/Makefile | 3 | ||||
| -rw-r--r-- | io/tst-linkat.c | 171 | ||||
| -rw-r--r-- | io/tst-readlinkat.c | 136 | ||||
| -rw-r--r-- | io/tst-symlinkat.c | 164 |
5 files changed, 479 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 785c547d74..9aaf9d2797 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,11 @@ 2006-01-20 Ulrich Drepper <drepper@redhat.com> + * io/Makefile (tests): Add tst-symlinkat, tst-linkat, and + tst-readlinkat. + * io/tst-symlinkat.c: New file. + * io/tst-linkat.c: New file. + * io/tst-readlinkat.c: New file. + * dirent/Makefile (tests): Add tst-fdopendir2. * dirent/tst-fdopendir2.c: New file. diff --git a/io/Makefile b/io/Makefile index e005cb3cd5..6458a3405f 100644 --- a/io/Makefile +++ b/io/Makefile @@ -64,7 +64,8 @@ test-srcs := ftwtest tests := test-utime test-stat test-stat2 test-lfs tst-getcwd \ tst-fcntl bug-ftw1 bug-ftw2 bug-ftw3 bug-ftw4 tst-statvfs \ tst-openat tst-unlinkat tst-fstatat tst-futimesat \ - tst-renameat tst-fchownat tst-fchmodat tst-faccessat + tst-renameat tst-fchownat tst-fchmodat tst-faccessat \ + tst-symlinkat tst-linkat tst-readlinkat distribute := ftwtest-sh diff --git a/io/tst-linkat.c b/io/tst-linkat.c new file mode 100644 index 0000000000..a77ceb1db4 --- /dev/null +++ b/io/tst-linkat.c @@ -0,0 +1,171 @@ +#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) +{ + size_t test_dir_len = strlen (test_dir); + static const char dir_name[] = "/tst-linkat.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; + } + + close (fd); + + if (linkat (dir_fd, "some-file", dir_fd, "another-file") != 0) + { + puts ("symlinkat failed"); + return 1; + } + + struct stat64 st2; + if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0) + { + puts ("fstatat64 failed"); + return 1; + } + if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) + { + puts ("file changed after symlinkat"); + return 1; + } + + if (fstatat64 (dir_fd, "another-file", &st2, AT_SYMLINK_NOFOLLOW) != 0) + { + puts ("2nd fstatat64 failed"); + return 1; + } + if (S_ISLNK (st2.st_mode)) + { + puts ("2nd fstatat64 shows file is a symlink"); + return 1; + } + if (st1.st_dev != st2.st_dev + || st1.st_ino != st2.st_ino + || st1.st_size != st2.st_size) + { + puts ("stat results for linked file do not match"); + return 1; + } + + if (fstatat64 (dir_fd, "another-file", &st2, 0) != 0) + { + puts ("3rd fstatat64 failed"); + return 1; + } + if (st1.st_dev != st2.st_dev + || st1.st_ino != st2.st_ino + || st1.st_size != st2.st_size) + { + puts ("stat results do not match"); + return 1; + } + + if (unlinkat (dir_fd, "another-file", 0) != 0) + { + puts ("unlinkat failed"); + return 1; + } + if (unlinkat (dir_fd, "some-file", 0) != 0) + { + puts ("2nd unlinkat failed"); + return 1; + } + + close (dir_fd); + + return 0; +} diff --git a/io/tst-readlinkat.c b/io/tst-readlinkat.c new file mode 100644 index 0000000000..891b6e6817 --- /dev/null +++ b/io/tst-readlinkat.c @@ -0,0 +1,136 @@ +#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) +{ + size_t test_dir_len = strlen (test_dir); + static const char dir_name[] = "/tst-symlinkat.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); + + static const char symlinkcontent[] = "some-file"; + if (symlinkat (symlinkcontent, dir_fd, "another-file") != 0) + { + puts ("symlinkat failed"); + return 1; + } + + struct stat64 st2; + if (fstatat64 (dir_fd, "another-file", &st2, AT_SYMLINK_NOFOLLOW) != 0) + { + puts ("fstatat64 failed"); + return 1; + } + if (!S_ISLNK (st2.st_mode)) + { + puts ("2nd fstatat64 does not show file is a symlink"); + return 1; + } + + if (fstatat64 (dir_fd, symlinkcontent, &st2, AT_SYMLINK_NOFOLLOW) == 0) + { + puts ("2nd fstatat64 succeeded"); + return 1; + } + + char buf[100]; + int n = readlinkat (dir_fd, "another-file", buf, sizeof (buf)); + if (n == -1) + { + puts ("readlinkat failed"); + return 1; + } + if (n != sizeof (symlinkcontent) - 1) + { + printf ("readlinkat returned %d, expected %zu\n", + n, sizeof (symlinkcontent) - 1); + return 1; + } + if (strncmp (buf, symlinkcontent, n) != 0) + { + puts ("readlinkat retrieved wrong link content"); + return 1; + } + + if (unlinkat (dir_fd, "another-file", 0) != 0) + { + puts ("unlinkat failed"); + return 1; + } + + close (dir_fd); + + return 0; +} diff --git a/io/tst-symlinkat.c b/io/tst-symlinkat.c new file mode 100644 index 0000000000..1e98588fc8 --- /dev/null +++ b/io/tst-symlinkat.c @@ -0,0 +1,164 @@ +#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) +{ + size_t test_dir_len = strlen (test_dir); + static const char dir_name[] = "/tst-symlinkat.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; + } + + close (fd); + + if (symlinkat ("some-file", dir_fd, "another-file") != 0) + { + puts ("symlinkat failed"); + return 1; + } + + struct stat64 st2; + if (fstatat64 (dir_fd, "some-file", &st2, 0) != 0) + { + puts ("fstatat64 failed"); + return 1; + } + if (st1.st_dev != st2.st_dev || st1.st_ino != st2.st_ino) + { + puts ("file changed after symlinkat"); + return 1; + } + + if (fstatat64 (dir_fd, "another-file", &st2, AT_SYMLINK_NOFOLLOW) != 0) + { + puts ("2nd fstatat64 failed"); + return 1; + } + if (!S_ISLNK (st2.st_mode)) + { + puts ("2nd fstatat64 does not show file is a symlink"); + return 1; + } + + if (fstatat64 (dir_fd, "another-file", &st2, 0) != 0) + { + puts ("3rd fstatat64 failed"); + return 1; + } + if (st1.st_dev != st2.st_dev + || st1.st_ino != st2.st_ino + || st1.st_size != st2.st_size) + { + puts ("stat results do not match"); + return 1; + } + + if (unlinkat (dir_fd, "another-file", 0) != 0) + { + puts ("unlinkat failed"); + return 1; + } + if (unlinkat (dir_fd, "some-file", 0) != 0) + { + puts ("2nd unlinkat failed"); + return 1; + } + + close (dir_fd); + + return 0; +} |