int main(int ac, char **av)
{
int lc;
const char *msg;
if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL)
tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg);
setup();
for (lc = 0; TEST_LOOPING(lc); lc++) {
/* Check ONLYDIR on a directory */
CHECK_MARK(".", FAN_MARK_ONLYDIR, 0, NULL);
/* Check ONLYDIR without a directory */
CHECK_MARK(fname, FAN_MARK_ONLYDIR, -1, NULL);
/* Check DONT_FOLLOW for a symlink */
CHECK_MARK(sname, FAN_MARK_DONT_FOLLOW, 0, test_open_symlink);
/* Check without DONT_FOLLOW for a symlink */
CHECK_MARK(sname, 0, 0, test_open_file);
/* Verify FAN_MARK_FLUSH destroys all inode marks */
if (myfanotify_mark(fd_notify, FAN_MARK_ADD,
FAN_OPEN, AT_FDCWD, fname) < 0) {
tst_brkm(TBROK | TERRNO, cleanup,
"fanotify_mark (%d, FAN_MARK_ADD, FAN_OPEN, "
"AT_FDCWD, '%s') failed", fd_notify, fname);
}
if (myfanotify_mark(fd_notify, FAN_MARK_ADD,
FAN_OPEN | FAN_ONDIR, AT_FDCWD, dir) < 0) {
tst_brkm(TBROK | TERRNO, cleanup,
"fanotify_mark (%d, FAN_MARK_ADD, FAN_OPEN | "
"FAN_ONDIR, AT_FDCWD, '%s') failed", fd_notify,
dir);
}
open_file(fname);
verify_event(S_IFREG);
open_dir(dir);
verify_event(S_IFDIR);
if (myfanotify_mark(fd_notify, FAN_MARK_FLUSH,
0, AT_FDCWD, ".") < 0) {
tst_brkm(TBROK | TERRNO, cleanup,
"fanotify_mark (%d, FAN_MARK_FLUSH, 0, "
"AT_FDCWD, '.') failed", fd_notify);
}
open_dir(dir);
verify_no_event();
}
cleanup();
tst_exit();
}
void test01(void)
{
/* Check ONLYDIR on a directory */
CHECK_MARK(".", FAN_MARK_ONLYDIR, 0, NULL);
/* Check ONLYDIR without a directory */
CHECK_MARK(fname, FAN_MARK_ONLYDIR, -1, NULL);
/* Check DONT_FOLLOW for a symlink */
CHECK_MARK(sname, FAN_MARK_DONT_FOLLOW, 0, test_open_symlink);
/* Check without DONT_FOLLOW for a symlink */
CHECK_MARK(sname, 0, 0, test_open_file);
/* Verify FAN_MARK_FLUSH destroys all inode marks */
if (fanotify_mark(fd_notify, FAN_MARK_ADD,
FAN_OPEN, AT_FDCWD, fname) < 0) {
tst_brk(TBROK | TERRNO,
"fanotify_mark (%d, FAN_MARK_ADD, FAN_OPEN, "
"AT_FDCWD, '%s') failed", fd_notify, fname);
}
if (fanotify_mark(fd_notify, FAN_MARK_ADD,
FAN_OPEN | FAN_ONDIR, AT_FDCWD, dir) < 0) {
tst_brk(TBROK | TERRNO,
"fanotify_mark (%d, FAN_MARK_ADD, FAN_OPEN | "
"FAN_ONDIR, AT_FDCWD, '%s') failed", fd_notify,
dir);
}
open_file(fname);
verify_event(S_IFREG);
open_dir(dir);
verify_event(S_IFDIR);
if (fanotify_mark(fd_notify, FAN_MARK_FLUSH,
0, AT_FDCWD, ".") < 0) {
tst_brk(TBROK | TERRNO,
"fanotify_mark (%d, FAN_MARK_FLUSH, 0, "
"AT_FDCWD, '.') failed", fd_notify);
}
open_dir(dir);
verify_no_event();
}
static void do_open_test(char *file, int flag, char *flagstr, int mask)
{
do_open(file, flag, flagstr);
verify_event(mask);
}
static void test_fanotify(unsigned int n)
{
int ret, dirfd;
unsigned int i;
struct fanotify_event_metadata *event, *ev;
struct tcase *tc = &tcases[n];
tst_res(TINFO, "Test #%d: %s", n, tc->tname);
create_fanotify_groups(tc->ondir);
/*
* generate MODIFY event and no FAN_CLOSE_NOWRITE event.
*/
SAFE_FILE_PRINTF(fname, "1");
/*
* generate FAN_CLOSE_NOWRITE event on a child subdir.
*/
dirfd = SAFE_OPEN(DIR_NAME, O_RDONLY);
if (dirfd >= 0)
SAFE_CLOSE(dirfd);
/*
* First verify the first group got the file MODIFY event and got just
* one FAN_CLOSE_NOWRITE event.
*/
ret = read(fd_notify[0], event_buf, EVENT_BUF_LEN);
if (ret < 0) {
if (errno == EAGAIN) {
tst_res(TFAIL, "first group did not get event");
} else {
tst_brk(TBROK | TERRNO,
"reading fanotify events failed");
}
}
if (ret < tc->nevents * (int)FAN_EVENT_METADATA_LEN) {
tst_brk(TBROK,
"short read when reading fanotify events (%d < %d)",
ret, tc->nevents * (int)FAN_EVENT_METADATA_LEN);
}
event = (struct fanotify_event_metadata *)event_buf;
verify_event(0, event, FAN_MODIFY);
if (tc->ondir)
verify_event(0, event + 1, FAN_CLOSE_NOWRITE);
if (ret > tc->nevents * (int)FAN_EVENT_METADATA_LEN) {
tst_res(TFAIL,
"first group got more than %d events (%d > %d)",
tc->nevents, ret,
tc->nevents * (int)FAN_EVENT_METADATA_LEN);
}
/* Close all file descriptors of read events */
for (ev = event; ret >= (int)FAN_EVENT_METADATA_LEN; ev++) {
if (ev->fd != FAN_NOFD)
SAFE_CLOSE(ev->fd);
ret -= (int)FAN_EVENT_METADATA_LEN;
}
/*
* Then verify the rest of the groups did not get the MODIFY event and
* did not get the FAN_CLOSE_NOWRITE event on subdir.
*/
for (i = 1; i < NUM_GROUPS; i++) {
ret = read(fd_notify[i], event_buf, FAN_EVENT_METADATA_LEN);
if (ret > 0) {
tst_res(TFAIL, "group %d got event", i);
verify_event(i, event, FAN_CLOSE_NOWRITE);
if (event->fd != FAN_NOFD)
SAFE_CLOSE(event->fd);
continue;
}
if (ret == 0) {
tst_brk(TBROK, "zero length read from fanotify fd");
}
if (errno != EAGAIN) {
tst_brk(TBROK | TERRNO,
"reading fanotify events failed");
}
tst_res(TPASS, "group %d got no event", i);
}
cleanup_fanotify_groups();
}
