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Fix handling CRC64 of data blocks with length 0.

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This commit is contained in:
Natalia Portillo
2022-10-12 16:20:43 +01:00
parent 417112d29a
commit 7db52bbe66
1 changed files with 15 additions and 12 deletions
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27
src/open.c
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@@ -387,19 +387,22 @@ void* aaruf_open(const char* filepath)
break;
}
crc64 = aaruf_crc64_data(data, blockHeader.length);
// Due to how C# wrote it, it is effectively reversed
if(ctx->header.imageMajorVersion <= AARUF_VERSION) crc64 = bswap_64(crc64);
if(crc64 != blockHeader.crc64)
if(blockHeader.length > 0)
{
fprintf(stderr,
"libaaruformat: Incorrect CRC found: 0x%" PRIx64 " found, expected 0x%" PRIx64
", continuing...\n",
crc64,
blockHeader.crc64);
break;
crc64 = aaruf_crc64_data(data, blockHeader.length);
// Due to how C# wrote it, it is effectively reversed
if(ctx->header.imageMajorVersion <= AARUF_VERSION) crc64 = bswap_64(crc64);
if(crc64 != blockHeader.crc64)
{
fprintf(stderr,
"libaaruformat: Incorrect CRC found: 0x%" PRIx64 " found, expected 0x%" PRIx64
", continuing...\n",
crc64,
blockHeader.crc64);
break;
}
}
// Check if it's not a media tag, but a sector tag, and fill the appropriate table then