@@ -653,13 +653,18 @@ static void usb_mtp_object_readdir(MTPState *s, MTPObject *o)
{
struct dirent *entry;
DIR *dir;
+ int fd;
if (o->have_children) {
return;
}
o->have_children = true;
- dir = opendir(o->path);
+ fd = open(o->path, O_DIRECTORY | O_CLOEXEC | O_NOFOLLOW);
+ if (fd < 0) {
+ return;
+ }
+ dir = fdopendir(fd);
if (!dir) {
return;
}
@@ -1007,7 +1012,7 @@ static MTPData *usb_mtp_get_object(MTPState *s, MTPControl *c,
trace_usb_mtp_op_get_object(s->dev.addr, o->handle, o->path);
- d->fd = open(o->path, O_RDONLY);
+ d->fd = open(o->path, O_RDONLY | O_CLOEXEC | O_NOFOLLOW);
if (d->fd == -1) {
usb_mtp_data_free(d);
return NULL;
@@ -1031,7 +1036,7 @@ static MTPData *usb_mtp_get_partial_object(MTPState *s, MTPControl *c,
c->argv[1], c->argv[2]);
d = usb_mtp_data_alloc(c);
- d->fd = open(o->path, O_RDONLY);
+ d->fd = open(o->path, O_RDONLY | O_CLOEXEC | O_NOFOLLOW);
if (d->fd == -1) {
usb_mtp_data_free(d);
return NULL;
@@ -1658,7 +1663,7 @@ static void usb_mtp_write_data(MTPState *s)
0, 0, 0, 0);
goto done;
}
- d->fd = open(path, O_CREAT | O_WRONLY, mask);
+ d->fd = open(path, O_CREAT | O_WRONLY | O_CLOEXEC | O_NOFOLLOW, mask);
if (d->fd == -1) {
usb_mtp_queue_result(s, RES_STORE_FULL, d->trans,
0, 0, 0, 0);