int main(const int argc, const char* argv[]) {
if (argc == 2) {
if (strcmp(argv[1], "--verbose") == 0) {
verbose_mode = 1;
}
}
prepare();
clearSupplementaryGroups();
selfCheck();
struct libmnt_table* mt = mnt_new_table_from_file("/opt/xware_desktop/mounts");
if (mt == NULL) {
fprintf(stderr, "mnt_new_table_from_file failed.\n");
exit(EXIT_FAILURE);
}
struct libmnt_iter* itr = mnt_new_iter(MNT_ITER_FORWARD);
struct libmnt_fs* fs = NULL;
while(1) {
int tmp = mnt_table_find_next_fs(mt, itr, &matchAll, NULL, &fs);
if (tmp < 0) { // error
fprintf(stderr, "mnt_table_find_next_fs failed.\n");
break;
} else {
if (tmp == 1) { // reach EOF
break;
}
const char* target = mnt_fs_get_target(fs);
if (target == NULL) {
fprintf(stderr, "mnt_fs_get_target failed.\n");
} else {
printf("%s%s%s\n", BOLD, target, NOSTYLE);
printf("================================\n");
if (checkDirXPermissions(target)) {
checkTargetDirPermissions(target);
}
printf("\n");
}
}
}
printf("%s", NOSTYLE);
mnt_free_fs(fs);
mnt_free_iter(itr);
mnt_free_table(mt);
return 0;
}
/*
* This function works like mnt_resolve_tag(), but it's able to read UUiD/LABEL
* from regular swap files too (according to entries in /proc/swaps). Note that
* mnt_resolve_tag() and mnt_resolve_spec() works with system visible block
* devices only.
*/
static char *swapoff_resolve_tag(const char *name, const char *value,
struct libmnt_cache *cache)
{
char *path;
struct libmnt_table *tb;
struct libmnt_iter *itr;
struct libmnt_fs *fs;
/* this is usual case for block devices (and it's really fast as it uses
* udev /dev/disk/by-* symlinks by default */
path = mnt_resolve_tag(name, value, cache);
if (path)
return path;
/* try regular files from /proc/swaps */
tb = get_swaps();
if (!tb)
return NULL;
itr = mnt_new_iter(MNT_ITER_BACKWARD);
if (!itr)
err(EXIT_FAILURE, _("failed to initialize libmount iterator"));
while (tb && mnt_table_next_fs(tb, itr, &fs) == 0) {
blkid_probe pr = NULL;
const char *src = mnt_fs_get_source(fs);
const char *type = mnt_fs_get_swaptype(fs);
const char *data = NULL;
if (!src || !type || strcmp(type, "file") != 0)
continue;
pr = get_swap_prober(src);
if (!pr)
continue;
blkid_probe_lookup_value(pr, name, &data, NULL);
if (data && strcmp(data, value) == 0)
path = xstrdup(src);
blkid_free_probe(pr);
if (path)
break;
}
mnt_free_iter(itr);
return path;
}
static int get_debugfs(char **path)
{
struct libmnt_context *cxt;
struct libmnt_table *tb;
struct libmnt_iter *itr = NULL;
struct libmnt_fs *fs;
int found = 0, ret;
cxt = mnt_new_context();
if (!cxt)
err(EXIT_FAILURE, "libmount context allocation failed");
itr = mnt_new_iter(MNT_ITER_FORWARD);
if (!itr)
err(EXIT_FAILURE, "failed to initialize libmount iterator");
if (mnt_context_get_mtab(cxt, &tb))
err(EXIT_FAILURE, "failed to read mtab");
while (mnt_table_next_fs(tb, itr, &fs) == 0) {
const char *type = mnt_fs_get_fstype(fs);
if (!strcmp(type, "debugfs")) {
found = 1;
break;
}
}
if (found) {
ret = asprintf(path, "%s/gpio", mnt_fs_get_target(fs));
if (ret < 0)
err(EXIT_FAILURE, "failed to format string");
}
mnt_free_iter(itr);
mnt_free_context(cxt);
if (!found)
return -1;
return 0;
}
static int swapoff_all(void)
{
int status = 0;
struct libmnt_table *tb;
struct libmnt_fs *fs;
struct libmnt_iter *itr = mnt_new_iter(MNT_ITER_BACKWARD);
if (!itr)
err(EXIT_FAILURE, _("failed to initialize libmount iterator"));
/*
* In case /proc/swaps exists, unswap stuff listed there. We are quiet
* but report errors in status. Errors might mean that /proc/swaps
* exists as ordinary file, not in procfs. do_swapoff() exits
* immediately on EPERM.
*/
tb = get_swaps();
while (tb && mnt_table_find_next_fs(tb, itr, match_swap, NULL, &fs) == 0)
status |= do_swapoff(mnt_fs_get_source(fs), QUIET, CANONIC);
/*
* Unswap stuff mentioned in /etc/fstab. Probably it was unmounted
* already, so errors are not bad. Doing swapoff -a twice should not
* give error messages.
*/
tb = get_fstab();
mnt_reset_iter(itr, MNT_ITER_FORWARD);
while (tb && mnt_table_find_next_fs(tb, itr, match_swap, NULL, &fs) == 0) {
if (!is_active_swap(mnt_fs_get_source(fs)))
do_swapoff(mnt_fs_get_source(fs), QUIET, !CANONIC);
}
mnt_free_iter(itr);
return status;
}
static inline void mnt_free_iterp(struct libmnt_iter **itr) {
if (*itr)
mnt_free_iter(*itr);
*itr=NULL;
}
