int main(int ac, char **av)
{
DIR *ddir, *opendir();
int fd;
char *filname = "chdirtest";
char *filenames[3];
int lc; /* loop counter */
char *msg; /* message returned from parse_opts */
/* parse standard options */
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
setup();
TEST_EXP_ENOS(exp_enos);
for (lc = 0; TEST_LOOPING(lc); lc++) {
Tst_count = 0;
SAFE_CHDIR(cleanup, testdir);
fd = SAFE_CREAT(cleanup, filname, 0000);
SAFE_CLOSE(cleanup, fd);
if ((ddir = opendir(".")) == NULL)
tst_brkm(TBROK|TERRNO, cleanup, "opendir(.) failed");
filenames[0] = ".";
filenames[1] = "..";
filenames[2] = filname;
checknames(filenames, sizeof(filenames) / sizeof(filenames[0]),
ddir);
closedir(ddir);
TEST(chdir(filname));
if (TEST_RETURN != -1)
tst_resm(TFAIL, "call succeeded unexpectedly");
else if (TEST_ERRNO != ENOTDIR)
tst_resm(TFAIL|TTERRNO,
"failed unexpectedly; wanted ENOTDIR");
else
tst_resm(TPASS,
"failed as expected with ENOTDIR");
if (unlink(filname) == -1)
tst_brkm(TBROK|TERRNO, cleanup, "Couldn't remove file");
SAFE_CHDIR(cleanup, "..");
}
cleanup();
tst_exit();
}
static void setup(void)
{
const char *fs_opts[3] = {"-b", "1024", NULL};
tst_sig(FORK, DEF_HANDLER, NULL);
tst_require_root();
TEST_PAUSE;
tst_tmpdir();
TST_CHECKPOINT_INIT(tst_rmdir);
page_size = getpagesize();
device = tst_acquire_device(cleanup);
if (!device)
tst_brkm(TCONF, cleanup, "Failed to obtain block device");
tst_mkfs(cleanup, device, fs_type, fs_opts, "10240");
SAFE_MKDIR(cleanup, MNTPOINT, 0755);
/*
* Disable ext4 delalloc feature, so block will be allocated
* as soon as possible
*/
SAFE_MOUNT(cleanup, device, MNTPOINT, fs_type, 0, "nodelalloc");
mount_flag = 1;
SAFE_CHDIR(cleanup, MNTPOINT);
chdir_flag = 1;
}
static void cleanup(void)
{
cleanup_fanotify_groups();
SAFE_CHDIR("../");
if (mount_created && tst_umount(MOUNT_NAME) < 0)
tst_brk(TBROK | TERRNO, "umount failed");
}
static void setup(void)
{
SAFE_MKDIR(MOUNT_NAME, 0755);
SAFE_MOUNT(MOUNT_NAME, MOUNT_NAME, "none", MS_BIND, NULL);
mount_created = 1;
SAFE_CHDIR(MOUNT_NAME);
SAFE_MKDIR(DIR_NAME, 0755);
sprintf(fname, "tfile_%d", getpid());
SAFE_FILE_PRINTF(fname, "1");
}
static void setup(void)
{
char wdbuf[MAXPATHLEN];
/*
* Make a directory to do this in; ignore error if already exists.
* Save starting directory.
*/
tst_tmpdir();
if (getcwd(homedir, sizeof(homedir)) == NULL) {
tst_brkm(TBROK | TERRNO, NULL, "getcwd() failed");
}
parent_pid = getpid();
if (!fuss[0])
sprintf(fuss, "%s/ftest03.%d", getcwd(wdbuf, sizeof(wdbuf)),
getpid());
mkdir(fuss, 0755);
SAFE_CHDIR(NULL, fuss);
/*
* Default values for run conditions.
*/
iterations = 10;
nchild = 5;
csize = K_2; /* should run with 1, 2, and 4 K sizes */
max_size = K_1 * K_1;
misc_intvl = 10;
if (sigset(SIGTERM, term) == SIG_ERR) {
perror("sigset failed");
tst_brkm(TBROK, NULL, " sigset failed: signo = 15");
}
}
int main(int ac, char **av)
{
DIR *ddir, *opendir();
int fd;
char *filname = "chdirtest";
char *filenames[3];
int lc;
char *msg;
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
setup();
TEST_EXP_ENOS(exp_enos);
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
SAFE_CHDIR(cleanup, testdir);
fd = SAFE_CREAT(cleanup, filname, 0000);
SAFE_CLOSE(cleanup, fd);
if ((ddir = opendir(".")) == NULL)
tst_brkm(TBROK | TERRNO, cleanup, "opendir(.) failed");
filenames[0] = ".";
filenames[1] = "..";
filenames[2] = filname;
checknames(filenames, sizeof(filenames) / sizeof(filenames[0]),
ddir);
closedir(ddir);
s2e_enable_forking();
s2e_make_symbolic(filname, 20, "filename");
TEST(chdir(filname));
s2e_disable_forking();
s2e_kill_state(0, "program done!");
if (TEST_RETURN != -1)
tst_resm(TFAIL, "call succeeded unexpectedly");
else if (TEST_ERRNO != ENOTDIR)
tst_resm(TFAIL | TTERRNO,
"failed unexpectedly; wanted ENOTDIR");
else
tst_resm(TPASS, "failed as expected with ENOTDIR");
if (unlink(filname) == -1)
tst_brkm(TBROK | TERRNO, cleanup,
"Couldn't remove file");
SAFE_CHDIR(cleanup, "..");
}
cleanup();
tst_exit();
}
/*
* setup(void) - performs all ONE TIME setup for this test.
* Exit the test program on receipt of unexpected signals.
* Create a temporary directory used to hold test directories created
* and change the directory to it.
* Verify that pid of process executing the test is root.
* Create a test directory on temporary directory and set the ownership
* of test directory to guest user and process, change mode permissions
* to set group id bit on it.
* Set the effective uid/gid of the process to that of guest user.
*/
void setup(void)
{
tst_require_root();
/* Capture unexpected signals */
tst_sig(NOFORK, DEF_HANDLER, cleanup);
TEST_PAUSE;
/* Make a temp dir and cd to it */
tst_tmpdir();
/* fix permissions on the tmpdir */
if (chmod(".", 0711) != 0) {
tst_brkm(TBROK, cleanup, "chmod() failed");
}
/* Save the real user id of the current test process */
save_myuid = getuid();
/* Save the process id of the current test process */
mypid = getpid();
/* Get the node name to be created in the test */
sprintf(node_name, TNODE, mypid);
/* Get the uid/gid of ltpuser user */
if ((user1 = getpwnam(LTPUSER)) == NULL) {
tst_brkm(TBROK, cleanup, "%s not in /etc/passwd", LTPUSER);
}
user1_uid = user1->pw_uid;
group1_gid = user1->pw_gid;
/* Get the effective group id of the test process */
group2_gid = getegid();
/*
* Create a test directory under temporary directory with the
* specified mode permissions, with uid/gid set to that of guest
* user and the test process.
*/
SAFE_MKDIR(cleanup, DIR_TEMP, MODE_RWX);
SAFE_CHOWN(cleanup, DIR_TEMP, user1_uid, group2_gid);
SAFE_CHMOD(cleanup, DIR_TEMP, MODE_SGID);
/*
* Verify that test directory created with expected permission modes
* and ownerships.
*/
SAFE_STAT(cleanup, DIR_TEMP, &buf);
/* Verify modes of test directory */
if (!(buf.st_mode & S_ISGID)) {
tst_brkm(TBROK, cleanup,
"%s: Incorrect modes, setgid bit not set", DIR_TEMP);
}
/* Verify group ID of test directory */
if (buf.st_gid != group2_gid) {
tst_brkm(TBROK, cleanup, "%s: Incorrect group", DIR_TEMP);
}
/*
* Set the effective group id and user id of the test process
* to that of guest user (nobody)
*/
SAFE_SETGID(cleanup, group1_gid);
if (setreuid(-1, user1_uid) < 0) {
tst_brkm(TBROK, cleanup,
"Unable to set process uid to that of ltp user");
}
/* Save the real group ID of the current process */
mygid = getgid();
/* Change directory to DIR_TEMP */
SAFE_CHDIR(cleanup, DIR_TEMP);
}
int main(int ac, char **av)
{
int lc;
int fflag;
tst_parse_opts(ac, av, NULL, NULL);
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
tst_count = 0;
/*
* Attempt to create a filesystem node with group id (sgid)
* bit set on a directory with group id (sgid) bit set
* such that, the node created by mknod(2) should have
* group id (sgid) bit set and node's gid should be equal
* to that of effective gid of the process.
*/
TEST(mknod(node_name, MODE_SGID, 0));
/* Check return code from mknod(2) */
if (TEST_RETURN == -1) {
tst_resm(TFAIL, "mknod(%s, %#o, 0) failed, errno=%d : "
"%s", node_name, MODE_SGID, TEST_ERRNO,
strerror(TEST_ERRNO));
continue;
}
/* Set the functionality flag */
fflag = 1;
/* Check for node's creation */
if (stat(node_name, &buf) < 0) {
tst_resm(TFAIL, "stat() of %s failed, errno:%d",
node_name, TEST_ERRNO);
/* unset functionality flag */
fflag = 0;
}
/* Verify mode permissions of node */
if (!(buf.st_mode & S_ISGID)) {
tst_resm(TFAIL,
"%s: Incorrect modes, setgid bit not "
"set", node_name);
/* unset flag as functionality fails */
fflag = 0;
}
/* Verify group ID */
if (buf.st_gid != group2_gid) {
tst_resm(TFAIL, "%s: Incorrect group",
node_name);
/* unset flag as functionality fails */
fflag = 0;
}
if (fflag) {
tst_resm(TPASS, "Functionality of mknod(%s, "
"%#o, 0) successful",
node_name, MODE_SGID);
}
/* Remove the node for the next go `round */
if (unlink(node_name) == -1) {
tst_resm(TWARN, "unlink(%s) failed, errno:%d %s",
node_name, errno, strerror(errno));
}
}
/* Change the directory back to temporary directory */
SAFE_CHDIR(cleanup, "..");
/*
* Invoke cleanup() to delete the test directories created
* in the setup() and exit main().
*/
cleanup();
tst_exit();
}
void maybe_run_child(void (*child) (), const char *fmt, ...)
{
va_list ap;
char *child_dir;
char *p, *tok;
int *iptr, i, j;
char *s;
char **sptr;
char *endptr;
/* Store the current directory for later use. */
start_cwd = getcwd(NULL, 0);
if (child_args) {
char *args = strdup(child_args);
child_dir = strtok(args, ",");
if (strlen(child_dir) == 0) {
tst_brkm(TBROK, NULL,
"Could not get directory from -C option");
return;
}
va_start(ap, fmt);
for (p = fmt; *p; p++) {
tok = strtok(NULL, ",");
if (!tok || strlen(tok) == 0) {
tst_brkm(TBROK, NULL,
"Invalid argument to -C option");
return;
}
switch (*p) {
case 'd':
iptr = va_arg(ap, int *);
i = strtol(tok, &endptr, 10);
if (*endptr != '\0') {
tst_brkm(TBROK, NULL,
"Invalid argument to -C option");
return;
}
*iptr = i;
break;
case 'n':
j = va_arg(ap, int);
i = strtol(tok, &endptr, 10);
if (*endptr != '\0') {
tst_brkm(TBROK, NULL,
"Invalid argument to -C option");
return;
}
if (j != i) {
va_end(ap);
free(args);
return;
}
break;
case 's':
s = va_arg(ap, char *);
if (!strncpy(s, tok, strlen(tok) + 1)) {
tst_brkm(TBROK, NULL,
"Could not strncpy for -C option");
return;
}
break;
case 'S':
sptr = va_arg(ap, char **);
*sptr = strdup(tok);
if (!*sptr) {
tst_brkm(TBROK, NULL,
"Could not strdup for -C option");
return;
}
break;
default:
tst_brkm(TBROK, NULL,
"Format string option %c not implemented",
*p);
return;
}
}
va_end(ap);
free(args);
SAFE_CHDIR(NULL, child_dir);
(*child) ();
tst_resm(TWARN, "Child function returned unexpectedly");
/* Exit here? or exit silently? */
}
}