- First configured key is based only on keyfile (no passphrase).
- Device is attached.
- User changes first key (setkey) from keyfile to passphrase and doesn't
specify number of iterations (with -i option).
...geli(8) won't store calculated number of iterations in metadata.
This result in device beeing unaccesable after detach.
One can recover from this situation by guessing number of iterations
generated, storing it in metadata and trying to attach device.
Recovery procedure isn't nice, but one's data is not lost.
Reported by: Thomas Nickl <T.Nickl@gmx.net>
MFC after: 1 week
- after killing all attached providers, all providers are then detached
and operation is repeated for those who were attached,
- we don't want to remove keys for read-only attached providers, we only
want to detach them.
MFC after: 1 week
Now, encryption algorithm is given using '-e' option, not '-a'.
The '-a' option is now used to specify authentication algorithm.
Supported by: Wheel Sp. z o.o. (http://www.wheel.pl)
supported for a moment.
- Don't allow to use -i when no passphrase is given. Now if iterations is
equal to -1 (not set), we know that we should not ask for the passphrase
on boot.
It still doesn't handle situation when one key is protected with
passphrase and the other is not. There is no quick fix for this.
The complete solution will be to make number of iterations a per-key
value. Because this need metadata format change and is only needed for
devices attached on boot, I'll leave it as it is for now.
MFC after: 3 days
value (intmax_t) and boolean (int).
Based on that provide three functions:
- gctl_get_ascii()
- gctl_get_int()
- gctl_get_intmax()
- Hide gctl_get_param() function, as it is only used internally in
subr.c.
- Allow to provide argument name as (fmt, ...).
- Assert geom(8) bugs (missing argument is a geom(8) bug).
- Clean-up and simplify the code by using new functions and assumtions
(no more checking for missing argument).
Tested by: regression tests
metadata is equal to -1. if we then wanted to attach provider (or change
keys) and forget about '-p' flag it failed on assertion (quite ok, without
assertion it could call PKCS#5v2 with 4294967295 iterations).
Instead of failing on assertion, remind about '-p' flag.
MFC after: 3 days
