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Allow LUKS2 repair to override blkid checks.

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Allow user to run cryptsetup repair command and explicitly do
repair on corrupted LUKS2 headers where blkid decides it's no longer
a LUKS2 device.
This commit is contained in:
Ondrej Kozina
2018-06-28 15:48:13 +02:00
committed by Milan Broz
parent 2c1a6e3f94
commit 289c9ecf5d
3 changed files with 13 additions and 12 deletions
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10
lib/setup.c
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@@ -644,16 +644,16 @@ struct crypt_pbkdf_type *crypt_get_pbkdf(struct crypt_device *cd)
/*
* crypt_load() helpers
*/
static int _crypt_load_luks2(struct crypt_device *cd, int reload)
static int _crypt_load_luks2(struct crypt_device *cd, int reload, int repair)
{
int r;
char tmp_cipher[MAX_CIPHER_LEN], tmp_cipher_mode[MAX_CIPHER_LEN],
*cipher = NULL, *cipher_mode = NULL, *type = NULL;
struct luks2_hdr hdr2 = {};
log_dbg("%soading LUKS2 header.", reload ? "Rel" : "L");
log_dbg("%soading LUKS2 header (repair %sabled).", reload ? "Rel" : "L", repair ? "en" : "dis");
r = LUKS2_hdr_read(cd, &hdr2);
r = LUKS2_hdr_read(cd, &hdr2, repair);
if (r)
return r;
@@ -713,7 +713,7 @@ static void _luks2_reload(struct crypt_device *cd)
if (!cd || !isLUKS2(cd->type))
return;
(void) _crypt_load_luks2(cd, 1);
(void) _crypt_load_luks2(cd, 1, 0);
}
static int _crypt_load_luks(struct crypt_device *cd, const char *requested_type,
@@ -768,7 +768,7 @@ static int _crypt_load_luks(struct crypt_device *cd, const char *requested_type,
return -EINVAL;
}
r = _crypt_load_luks2(cd, cd->type != NULL);
r = _crypt_load_luks2(cd, cd->type != NULL, repair);
} else
r = -EINVAL;
out: