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Allow LUKS resume for device with cipher_null.

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This commit is contained in:
Ondrej Kozina
2021-02-19 19:00:59 +01:00
parent 3367b78958
commit 6a8bade7e6
2 changed files with 16 additions and 4 deletions
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8
lib/libdevmapper.c
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@@ -2927,7 +2927,9 @@ int dm_resume_and_reinstate_key(struct crypt_device *cd, const char *name,
if (!(dmt_flags & DM_KEY_WIPE_SUPPORTED))
goto out;
if (vk->key_description)
if (!vk->keylength)
msg_size = 11; // key set -
else if (vk->key_description)
msg_size = strlen(vk->key_description) + int_log10(vk->keylength) + 18;
else
msg_size = vk->keylength * 2 + 10; // key set <key>
@@ -2939,7 +2941,9 @@ int dm_resume_and_reinstate_key(struct crypt_device *cd, const char *name,
}
strcpy(msg, "key set ");
if (vk->key_description)
if (!vk->keylength)
snprintf(msg + 8, msg_size - 8, "-");
else if (vk->key_description)
snprintf(msg + 8, msg_size - 8, ":%zu:logon:%s", vk->keylength, vk->key_description);
else
hex_key(&msg[8], vk->keylength, vk->key);