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Enable all supported metadata sizes in LUKS2 validation code.

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LUKS2 specification allows various size of LUKS2 metadata.
The single metadata instance is composed of LUKS2 binary header
(4096 bytes) and immediately following json area. The resulting
assembled metadata size have to be one of following values,
all in KiB:

16, 32, 64, 128, 256, 512, 1024, 2048 or 4096
This commit is contained in:
Ondrej Kozina
2018-11-18 21:13:52 +01:00
committed by Milan Broz
parent 49900b79a9
commit 7713df9e41
4 changed files with 36 additions and 33 deletions
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5
lib/luks2/luks2_disk_metadata.c
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@@ -388,11 +388,6 @@ int LUKS2_disk_hdr_write(struct crypt_device *cd, struct luks2_hdr *hdr, struct
return -EINVAL;
}
if (hdr->hdr_size != LUKS2_HDR_16K_LEN) {
log_dbg("Unsupported LUKS2 header size (%zu).", hdr->hdr_size);
return -EINVAL;
}
r = LUKS2_check_device_size(cd, crypt_metadata_device(cd), LUKS2_hdr_and_areas_size(hdr->jobj), 1);
if (r)
return r;