Added length field to hash_t (if lengths don't match, matching hashes are

just a false positive and ignored).
Added reserved (padding) for future hash types (e.g. SHA1) or other fields.
Note: Existing *.hash files must be deleted and recreated with fixsmb to be
useful (sorry).

src/smblib/smbdefs.h

@@ -494,11 +494,13 @@ typedef struct _PACK {
 
 	ulong	number;					/* Message number */
 	ulong	time;					/* Local time of fingerprinting */
+	ulong	length;					/* Length (in bytes) of source */
 	uchar	source;					/* SMB_HASH_SOURCE* (in low 5-bits) */
 	uchar	flags;					/* indications of valid hashes and pre-processing */
 	ushort	crc16;					/* CRC-16 of source */
 	ulong	crc32;					/* CRC-32 of source */
 	uchar	md5[MD5_DIGEST_SIZE];	/* MD5 digest of source */
+	uchar	reserved[28];			/* sizeof(hash_t) = 64 */
 
 } hash_t;
 

src/smblib/smbhash.c

@@ -78,6 +78,8 @@ int SMBCALL smb_findhash(smb_t* smb, hash_t** compare, hash_t* found_hash,
 
 				if(compare[c]->source!=hash.source)
 					continue;	/* wrong source */
+				if(compare[c]->length!=hash.length)
+					continue;	/* wrong source length */
 				if(compare[c]->flags&SMB_HASH_MARKED)
 					continue;	/* already marked */
 				if((compare[c]->flags&SMB_HASH_PROC_MASK)!=(hash.flags&SMB_HASH_PROC_MASK))
@@ -180,6 +182,7 @@ hash_t* SMBCALL smb_hash(ulong msgnum, ulong t, unsigned source, unsigned flags
 
 	hash->number=msgnum;
 	hash->time=t;
+	hash->length=length;
 	hash->source=source;
 	hash->flags=flags;
 	if(flags&SMB_HASH_CRC16)