static struct wipe_desc *
do_wipe(struct wipe_desc *wp, const char *devname, int noact, int all, int quiet, int force)
{
int flags;
blkid_probe pr;
struct wipe_desc *w, *wp0 = clone_offset(wp);
int zap = all ? 1 : wp->zap;
flags = O_RDWR;
if (!force)
flags |= O_EXCL;
pr = new_probe(devname, flags);
if (!pr)
return NULL;
while (blkid_do_probe(pr) == 0) {
wp = get_desc_for_probe(wp, pr);
if (!wp)
break;
/* Check if offset is in provided list */
w = wp0;
while(w && w->offset != wp->offset)
w = w->next;
if (wp0 && !w)
continue;
/* Mark done if found in provided list */
if (w)
w->on_disk = wp->on_disk;
if (!wp->on_disk)
continue;
if (zap)
do_wipe_real(pr, devname, wp, noact, quiet);
}
for (w = wp0; w != NULL; w = w->next) {
if (!w->on_disk && !quiet)
warnx(_("%s: offset 0x%jx not found"), devname, w->offset);
}
fsync(blkid_probe_get_fd(pr));
close(blkid_probe_get_fd(pr));
blkid_free_probe(pr);
free_wipe(wp0);
return wp;
}
static struct wipe_desc *
read_offsets(struct wipe_desc *wp, const char *devname)
{
blkid_probe pr = new_probe(devname, 0);
if (!pr)
return NULL;
while (blkid_do_probe(pr) == 0) {
wp = get_desc_for_probe(wp, pr);
if (!wp)
break;
}
blkid_free_probe(pr);
return wp;
}
static struct wipe_desc *
do_wipe(struct wipe_desc *wp, const char *devname, int flags)
{
int mode = O_RDWR, reread = 0;
blkid_probe pr;
struct wipe_desc *w, *wp0;
int zap = (flags & WP_FL_ALL) ? 1 : wp->zap;
char *backup = NULL;
if (!(flags & WP_FL_FORCE))
mode |= O_EXCL;
pr = new_probe(devname, mode);
if (!pr)
return NULL;
if (zap && (flags & WP_FL_BACKUP)) {
const char *home = getenv ("HOME");
if (!home)
errx(EXIT_FAILURE, _("failed to create a signature backup, $HOME undefined"));
xasprintf (&backup, "%s/wipefs-%s-", home, basename(devname));
}
wp0 = clone_offset(wp);
while (blkid_do_probe(pr) == 0) {
wp = get_desc_for_probe(wp, pr);
if (!wp)
break;
/* Check if offset is in provided list */
w = wp0;
while(w && w->offset != wp->offset)
w = w->next;
if (wp0 && !w)
continue;
/* Mark done if found in provided list */
if (w)
w->on_disk = wp->on_disk;
if (!wp->on_disk)
continue;
if (zap) {
if (backup)
do_backup(wp, backup);
do_wipe_real(pr, devname, wp, flags);
if (wp->is_parttable)
reread = 1;
}
}
for (w = wp0; w != NULL; w = w->next) {
if (!w->on_disk && !(flags & WP_FL_QUIET))
warnx(_("%s: offset 0x%jx not found"), devname, w->offset);
}
fsync(blkid_probe_get_fd(pr));
if (reread)
rereadpt(blkid_probe_get_fd(pr), devname);
close(blkid_probe_get_fd(pr));
blkid_free_probe(pr);
free_wipe(wp0);
free(backup);
return wp;
}
static struct wipe_desc *
do_wipe(struct wipe_desc *wp, const char *devname, int flags)
{
int mode = O_RDWR, reread = 0, need_force = 0;
blkid_probe pr;
struct wipe_desc *w, *wp0;
int zap = (flags & WP_FL_ALL) ? 1 : wp->zap;
char *backup = NULL;
if (!(flags & WP_FL_FORCE))
mode |= O_EXCL;
pr = new_probe(devname, mode);
if (!pr)
return NULL;
if (zap && (flags & WP_FL_BACKUP)) {
const char *home = getenv ("HOME");
char *tmp = xstrdup(devname);
if (!home)
errx(EXIT_FAILURE, _("failed to create a signature backup, $HOME undefined"));
xasprintf (&backup, "%s/wipefs-%s-", home, basename(tmp));
free(tmp);
}
wp0 = clone_offset(wp);
while (blkid_do_probe(pr) == 0) {
wp = get_desc_for_probe(wp, pr);
if (!wp)
break;
/* Check if offset is in provided list */
w = wp0;
while(w && w->offset != wp->offset)
w = w->next;
if (wp0 && !w)
continue;
/* Mark done if found in provided list */
if (w)
w->on_disk = wp->on_disk;
if (!wp->on_disk)
continue;
if (!(flags & WP_FL_FORCE)
&& wp->is_parttable
&& !blkid_probe_is_wholedisk(pr)) {
warnx(_("%s: ignoring nested \"%s\" partition table "
"on non-whole disk device"), devname, wp->type);
need_force = 1;
continue;
}
if (zap) {
if (backup)
do_backup(wp, backup);
do_wipe_real(pr, devname, wp, flags);
if (wp->is_parttable)
reread = 1;
}
}
for (w = wp0; w != NULL; w = w->next) {
if (!w->on_disk && !(flags & WP_FL_QUIET))
warnx(_("%s: offset 0x%jx not found"), devname, (uintmax_t)w->offset);
}
if (need_force)
warnx(_("Use the --force option to force erase."));
fsync(blkid_probe_get_fd(pr));
#ifdef BLKRRPART
if (reread && (mode & O_EXCL))
rereadpt(blkid_probe_get_fd(pr), devname);
#endif
close(blkid_probe_get_fd(pr));
blkid_free_probe(pr);
free_wipe(wp0);
free(backup);
return wp;
}