Add ELOOP and EROFS error number tests for mkdirat(2) Signed-off-by: Zeng Linggang <[email protected]> --- runtest/syscalls | 1 + testcases/kernel/syscalls/.gitignore | 1 + testcases/kernel/syscalls/mkdirat/mkdirat02.c | 191 ++++++++++++++++++++++++++ 3 files changed, 193 insertions(+) create mode 100644 testcases/kernel/syscalls/mkdirat/mkdirat02.c
diff --git a/runtest/syscalls b/runtest/syscalls index afa7976..2263a74 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -539,6 +539,7 @@ mkdir09 mkdir09 #mkdirat test cases mkdirat01 mkdirat01 +mkdirat02 mkdirat02 -D $LTP_DEV -T $LTP_DEV_FS_TYPE mknod01 mknod01 mknod02 mknod02 diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore index 91cf0f1..369b77e 100644 --- a/testcases/kernel/syscalls/.gitignore +++ b/testcases/kernel/syscalls/.gitignore @@ -486,6 +486,7 @@ /mkdir/mkdir08 /mkdir/mkdir09 /mkdirat/mkdirat01 +/mkdirat/mkdirat02 /mknod/mknod01 /mknod/mknod02 /mknod/mknod03 diff --git a/testcases/kernel/syscalls/mkdirat/mkdirat02.c b/testcases/kernel/syscalls/mkdirat/mkdirat02.c new file mode 100644 index 0000000..dc126b9 --- /dev/null +++ b/testcases/kernel/syscalls/mkdirat/mkdirat02.c @@ -0,0 +1,191 @@ +/* + * Copyright (c) 2014 Fujitsu Ltd. + * Author: Zeng Linggang <[email protected]> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of version 2 of the GNU General Public License as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it would be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ +/* + * DESCRIPTION + * check mkdirat() with various error conditions that should produce + * ELOOP and EROFS. + */ + +#define _GNU_SOURCE + +#include <errno.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/mman.h> +#include <fcntl.h> +#include <sys/mount.h> +#include "test.h" +#include "usctest.h" +#include "safe_macros.h" +#include "linux_syscall_numbers.h" + +#ifndef AT_FDCWD +# define AT_FDCWD -100 +#endif + +static void setup(void); +static void cleanup(void); +static void help(void); + +#define TEST_FILE1 "mntpoint/test_file1" +#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \ + S_IXGRP|S_IROTH|S_IXOTH) + +char *TCID = "mkdirat02"; + +static int dir_fd; +static int cur_fd = AT_FDCWD; +static char test_file2[PATH_MAX] = "."; +static char *fstype = "ext2"; +static char *device; +static int mount_flag_dir; +static int mount_flag_cur; + +static option_t options[] = { + {"T:", NULL, &fstype}, + {"D:", NULL, &device}, + {NULL, NULL, NULL} +}; +static int exp_enos[] = { ELOOP, EROFS, 0 }; + +static struct test_case_t { + int *dirfd; + char *pathname; + int exp_errno; +} TC[] = { + {&dir_fd, TEST_FILE1, EROFS}, + {&cur_fd, TEST_FILE1, EROFS}, + {&dir_fd, test_file2, ELOOP}, + {&cur_fd, test_file2, ELOOP}, +}; + +int TST_TOTAL = ARRAY_SIZE(TC); +static void mkdirat_verify(const struct test_case_t *); + +int main(int ac, char **av) +{ + int lc; + int i; + char *msg; + + msg = parse_opts(ac, av, options, help); + if (msg != NULL) + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); + + if (!device) { + tst_brkm(TBROK, NULL, + "you must specify the device used for mounting with " + "-D option"); + } + + setup(); + + for (lc = 0; TEST_LOOPING(lc); lc++) { + tst_count = 0; + for (i = 0; i < TST_TOTAL; i++) + mkdirat_verify(&TC[i]); + } + + cleanup(); + tst_exit(); +} + +static void setup(void) +{ + int i; + + tst_require_root(NULL); + + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + TEST_PAUSE; + + tst_tmpdir(); + + SAFE_MKDIR(cleanup, "test_dir", DIR_MODE); + dir_fd = SAFE_OPEN(cleanup, "test_dir", O_DIRECTORY); + + SAFE_MKDIR(cleanup, "test_eloop", DIR_MODE); + SAFE_SYMLINK(cleanup, "../test_eloop", "test_eloop/test_eloop"); + + SAFE_MKDIR(cleanup, "test_dir/test_eloop", DIR_MODE); + SAFE_SYMLINK(cleanup, "../test_eloop", + "test_dir/test_eloop/test_eloop"); + + for (i = 0; i < 43; i++) + strcat(test_file2, "/test_eloop"); + + tst_mkfs(NULL, device, fstype, NULL); + + SAFE_MKDIR(cleanup, "test_dir/mntpoint", DIR_MODE); + if (mount(device, "test_dir/mntpoint", fstype, MS_RDONLY, NULL) < 0) { + tst_brkm(TBROK | TERRNO, cleanup, + "mount device:%s failed", device); + } + mount_flag_dir = 1; + + SAFE_MKDIR(cleanup, "mntpoint", DIR_MODE); + if (mount(device, "mntpoint", fstype, MS_RDONLY, NULL) < 0) { + tst_brkm(TBROK | TERRNO, cleanup, + "mount device:%s failed", device); + } + mount_flag_cur = 1; + + TEST_EXP_ENOS(exp_enos); +} + +static void mkdirat_verify(const struct test_case_t *test) +{ + TEST(ltp_syscall(__NR_mkdirat, *test->dirfd, + test->pathname, 0777)); + + if (TEST_RETURN != -1) { + tst_resm(TFAIL, "mkdirat() returned %ld, expected -1, errno=%d", + TEST_RETURN, test->exp_errno); + return; + } + + TEST_ERROR_LOG(TEST_ERRNO); + + if (TEST_ERRNO == test->exp_errno) { + tst_resm(TPASS | TTERRNO, "mkdirat() failed as expected"); + } else { + tst_resm(TFAIL | TTERRNO, + "mkdirat() failed unexpectedly; expected: %d - %s", + test->exp_errno, strerror(test->exp_errno)); + } +} + +static void cleanup(void) +{ + TEST_CLEANUP; + + if (mount_flag_dir && umount("mntpoint") < 0) + tst_resm(TWARN | TERRNO, "umount device:%s failed", device); + + if (mount_flag_cur && umount("test_dir/mntpoint") < 0) + tst_resm(TWARN | TERRNO, "umount device:%s failed", device); + + tst_rmdir(); +} + +static void help(void) +{ + printf("-T type : specifies the type of filesystem to be mounted. " + "Default ext2.\n"); + printf("-D device : device used for mounting.\n"); +} -- 1.8.4.2 ------------------------------------------------------------------------------ Managing the Performance of Cloud-Based Applications Take advantage of what the Cloud has to offer - Avoid Common Pitfalls. Read the Whitepaper. http://pubads.g.doubleclick.net/gampad/clk?id=121054471&iu=/4140/ostg.clktrk _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
