#include <linux/fs.h>
#include <linux/inet.h>
#include <linux/in6.h>
+#include <linux/key.h>
+#include <keys/ceph-type.h>
#include <linux/module.h>
#include <linux/mount.h>
#include <linux/parser.h>
Opt_fsid,
Opt_name,
Opt_secret,
+ Opt_key,
Opt_ip,
Opt_last_string,
/* string args above */
{Opt_fsid, "fsid=%s"},
{Opt_name, "name=%s"},
{Opt_secret, "secret=%s"},
+ {Opt_key, "key=%s"},
{Opt_ip, "ip=%s"},
/* string args above */
{Opt_noshare, "noshare"},
}
EXPORT_SYMBOL(ceph_destroy_options);
+/* get secret from key store */
+static int get_secret(struct ceph_crypto_key *dst, const char *name) {
+ struct key *ukey;
+ int key_err;
+ int err = 0;
+ struct ceph_crypto_key *ckey;
+
+ ukey = request_key(&key_type_ceph, name, NULL);
+ if (!ukey || IS_ERR(ukey)) {
+ /* request_key errors don't map nicely to mount(2)
+ errors; don't even try, but still printk */
+ key_err = PTR_ERR(ukey);
+ switch (key_err) {
+ case -ENOKEY:
+ pr_warning("ceph: Mount failed due to key not found: %s\n", name);
+ break;
+ case -EKEYEXPIRED:
+ pr_warning("ceph: Mount failed due to expired key: %s\n", name);
+ break;
+ case -EKEYREVOKED:
+ pr_warning("ceph: Mount failed due to revoked key: %s\n", name);
+ break;
+ default:
+ pr_warning("ceph: Mount failed due to unknown key error"
+ " %d: %s\n", key_err, name);
+ }
+ err = -EPERM;
+ goto out;
+ }
+
+ ckey = ukey->payload.data;
+ err = ceph_crypto_key_clone(dst, ckey);
+ if (err)
+ goto out_key;
+ /* pass through, err is 0 */
+
+out_key:
+ key_put(ukey);
+out:
+ return err;
+}
+
int ceph_parse_options(struct ceph_options **popt, char *options,
const char *dev_name, const char *dev_name_end,
int (*parse_extra_token)(char *c, void *private),
if (err < 0)
goto out;
break;
+ case Opt_key:
+ opt->key = kzalloc(sizeof(*opt->key), GFP_KERNEL);
+ if (!opt->key) {
+ err = -ENOMEM;
+ goto out;
+ }
+ err = get_secret(opt->key, argstr[0].from);
+ if (err < 0)
+ goto out;
+ break;
/* misc */
case Opt_osdtimeout:
if (ret < 0)
goto out;
- ret = ceph_msgr_init();
+ ret = ceph_crypto_init();
if (ret < 0)
goto out_debugfs;
+ ret = ceph_msgr_init();
+ if (ret < 0)
+ goto out_crypto;
+
pr_info("loaded (mon/osd proto %d/%d, osdmap %d/%d %d/%d)\n",
CEPH_MONC_PROTOCOL, CEPH_OSDC_PROTOCOL,
CEPH_OSDMAP_VERSION, CEPH_OSDMAP_VERSION_EXT,
return 0;
+out_crypto:
+ ceph_crypto_shutdown();
out_debugfs:
ceph_debugfs_cleanup();
out:
{
dout("exit_ceph_lib\n");
ceph_msgr_exit();
+ ceph_crypto_shutdown();
ceph_debugfs_cleanup();
}