cifs: Use data structures to compute NTLMv2 response offsets
A bit of cleanup plus some gratuitous variable renaming. I think using
structures instead of numeric offsets makes this code much more
understandable.
Also added a comment about current time range expected by
the server.
Acked-by: Jeff Layton <jlayton@redhat.com>
Reviewed-by: Shirish Pargaonkar <spargaonkar@suse.com>
Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Steve French <smfrench@gmail.com>
diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 9e5ee34..33df36e 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -697,7 +697,13 @@
} __attribute__((packed));
struct ntlmv2_resp {
- char ntlmv2_hash[CIFS_ENCPWD_SIZE];
+ union {
+ char ntlmv2_hash[CIFS_ENCPWD_SIZE];
+ struct {
+ __u8 reserved[8];
+ __u8 key[CIFS_SERVER_CHALLENGE_SIZE];
+ } __attribute__((packed)) challenge;
+ } __attribute__((packed));
__le32 blob_signature;
__u32 reserved;
__le64 time;