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bitlk: Ignore unknown VMK entry 24

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This VMK value looks like a password hint (masked email?)
we can safely ignore it.

Fixes: #886
This commit is contained in:
Milan Broz
2024-05-21 10:54:55 +02:00
parent 9b822800b3
commit dca99f7dc1
2 changed files with 4 additions and 0 deletions
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3
lib/bitlk/bitlk.c
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@@ -324,6 +324,9 @@ static int parse_vmk_entry(struct crypt_device *cd, uint8_t *data, int start, in
/* unknown timestamps in recovery protected VMK */
} else if (key_entry_value == BITLK_ENTRY_VALUE_RECOVERY_TIME) {
;
/* optional hint (?) string (masked email?), we can safely ignore it */
} else if (key_entry_value == BITLK_ENTRY_VALUE_HINT) {
;
} else if (key_entry_value == BITLK_ENTRY_VALUE_STRING) {
if (key_entry_size < BITLK_ENTRY_HEADER_LEN)
return -EINVAL;

1
lib/bitlk/bitlk.h
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@@ -78,6 +78,7 @@ typedef enum {
BITLK_ENTRY_VALUE_OFFSET_SIZE = 0x000f,
BITLK_ENTRY_VALUE_RECOVERY_TIME = 0x015,
BITLK_ENTRY_VALUE_GUID = 0x0017,
BITLK_ENTRY_VALUE_HINT = 0x0018,
} BITLKFVEEntryValue;
struct bitlk_vmk {