create a case to test ELOOP, ENOTDIR, EROFS error number for access(2) Signed-off-by: Xiaoguang Wang <[email protected]> --- runtest/syscalls | 1 + testcases/kernel/syscalls/.gitignore | 1 + testcases/kernel/syscalls/access/access06.c | 194 +++++++++++++++++++++++++++ 3 files changed, 196 insertions(+), 0 deletions(-) create mode 100644 testcases/kernel/syscalls/access/access06.c
diff --git a/runtest/syscalls b/runtest/syscalls index 09e5f7f..791de7c 100644 --- a/runtest/syscalls +++ b/runtest/syscalls @@ -9,6 +9,7 @@ access02 access02 access03 access03 access04 access04 access05 access05 +access06 access06 -D DEVICE -T DEVICE_FS_TYPE acct01 acct01 acct02 acct02 diff --git a/testcases/kernel/syscalls/.gitignore b/testcases/kernel/syscalls/.gitignore index ad23c2e..c005111 100644 --- a/testcases/kernel/syscalls/.gitignore +++ b/testcases/kernel/syscalls/.gitignore @@ -6,6 +6,7 @@ /access/access03 /access/access04 /access/access05 +/access/access06 /acct/acct01 /acct/acct02 /add_key/add_key01 diff --git a/testcases/kernel/syscalls/access/access06.c b/testcases/kernel/syscalls/access/access06.c new file mode 100644 index 0000000..75a1a00 --- /dev/null +++ b/testcases/kernel/syscalls/access/access06.c @@ -0,0 +1,194 @@ +/* + * Copyright (c) 2013 Fujitsu Ltd. + * Author: Xiaoguang Wang <[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: + * Verify that, + * 1.access() fails with -1 return value and sets errno to ENOTDIR + * if a component used as a directory in pathname is not a directory. + * 2.access() fails with -1 return value and sets errno to ELOOP + * if too many symbolic links were encountered in resolving pathname. + * 3.access() fails with -1 return value and sets errno to EROFS + * if write permission was requested for a file on a read-only file system. + */ + +#include <stdio.h> +#include <errno.h> +#include <unistd.h> +#include <fcntl.h> +#include <string.h> +#include <signal.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <sys/mman.h> +#include <sys/mount.h> +#include <pwd.h> + +#include "test.h" +#include "usctest.h" +#include "safe_macros.h" + + +static void setup(void); +static void access_verify(int i); +static void cleanup(void); +static void help(void); + +#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \ + S_IXGRP|S_IROTH|S_IXOTH) +#define TEST_FILE1 "test_file1/test_file2" +#define TEST_FILE2 "test_file3" +#define TEST_FILE3 "mntpoint" + +static char *mntpoint = "mntpoint"; +static char *fstype = "ext2"; +static char *device; +static int dflag; +static int mount_flag; + +static option_t options[] = { + {"T:", NULL, &fstype}, + {"D:", &dflag, &device}, + {NULL, NULL, NULL} +}; + +static struct test_case_t { + char *pathname; + int a_mode; + int exp_errno; +} test_cases[] = { + {TEST_FILE1, R_OK, ENOTDIR}, + {TEST_FILE2, R_OK, ELOOP}, + {TEST_FILE3, W_OK, EROFS} +}; + +char *TCID = "access06"; +int TST_TOTAL = ARRAY_SIZE(test_cases); +static int exp_enos[] = { ENOTDIR, ELOOP, EROFS, 0 }; + +int main(int ac, char **av) +{ + int lc; + char *msg; + int i; + + msg = parse_opts(ac, av, options, help); + if (msg != NULL) + tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); + + /* Check for mandatory option of the testcase */ + if (!dflag) { + tst_brkm(TBROK, NULL, "you must specify the device " + "used for mounting with -D option"); + } + + setup(); + + TEST_EXP_ENOS(exp_enos); + + for (lc = 0; TEST_LOOPING(lc); lc++) { + tst_count = 0; + + for (i = 0; i < TST_TOTAL; i++) + access_verify(i); + } + + cleanup(); + tst_exit(); +} + +static void setup(void) +{ + int fd; + + tst_sig(NOFORK, DEF_HANDLER, cleanup); + + tst_require_root(NULL); + + tst_mkfs(NULL, device, fstype, NULL); + + tst_tmpdir(); + + SAFE_MKDIR(cleanup, mntpoint, DIR_MODE); + + TEST_PAUSE; + + /* + * create two regular files: test_file1 and test_file2 for + * test ENOTDIR. + */ + fd = SAFE_CREAT(cleanup, "test_file1", 0644); + SAFE_CLOSE(cleanup, fd); + + fd = SAFE_CREAT(cleanup, "test_file2", 0644); + SAFE_CLOSE(cleanup, fd); + + /* + * create two symbolic links who point to each other for + * test ELOOP. + */ + SAFE_SYMLINK(cleanup, "test_file3", "test_file4"); + SAFE_SYMLINK(cleanup, "test_file4", "test_file3"); + + /* + * mount a read-only file system for test EROFS + */ + if (mount(device, mntpoint, fstype, MS_RDONLY, NULL) < 0) { + tst_brkm(TBROK | TERRNO, cleanup, + "mount device:%s failed", device); + } + mount_flag = 1; +} + +static void access_verify(int i) +{ + char *file_name = test_cases[i].pathname; + int access_mode = test_cases[i].a_mode; + + TEST(access(file_name, access_mode)); + + if (TEST_RETURN != -1) { + tst_resm(TFAIL, "access(%s, %#o) succeeded unexpectedly", + file_name, access_mode); + return; + } + if (TEST_ERRNO == test_cases[i].exp_errno) { + tst_resm(TPASS | TTERRNO, "access failed as expected"); + } else { + tst_resm(TFAIL | TTERRNO, "access failed unexpectedly; " + "expected: %d - %s", test_cases[i].exp_errno, + strerror(test_cases[i].exp_errno)); + } +} + +static void cleanup(void) +{ + TEST_CLEANUP; + + if (mount_flag && umount(mntpoint) < 0) { + tst_brkm(TBROK | TERRNO, cleanup, + "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"); +} -- 1.7.1 Regards, Xiaoguang Wang ------------------------------------------------------------------------------ October Webinars: Code for Performance Free Intel webinars can help you accelerate application performance. Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from the latest Intel processors and coprocessors. See abstracts and register > http://pubads.g.doubleclick.net/gampad/clk?id=60135031&iu=/4140/ostg.clktrk _______________________________________________ Ltp-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ltp-list
