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SMB signing works the same regardless of the used auth mech.
We need to start with the temp signing ("BSRSPYL ")
and the session setup response with NT_STATUS_OK
is the first signed packet.
Now we set the krb5 session key if we got the NT_STATUS_OK
from the server and then recheck the packet.
All this is needed to make the fallback from krb5 to
ntlmssp possible. This commit also resets the cli->vuid
value to 0, if the krb5 auth didn't succeed. Otherwise
the server handles NTLMSSP packets as krb5 packets.
The restructuring of the SMB signing code is needed to
make sure the krb5 code only starts the signing engine
on success. Otherwise the NTLMSSP fallback could not initialize
the signing engine (again).
metze
It is possible for a posix file created locally or over nfs to have a
":" in the name. Since ":" is a reserved character in windows,
filenames containing a colon must be mangled in a directory listing.
Right now files containing colons will not even be displayed in
directory listings if streams modules are in use. During the
directory listing the file will be detected as a stream because of the
colon, but the streams module will fail to find the stream since it
doesn't exist. This fix adds a step to is_ntfs_stream_name that stats
the filename to differentiate between actual streams and files
containing colons.
While this is an improvement, it isn't perfect. Consider the case
where there is a file on disk called "a.txt:s1" and also a file called
"a.txt" that has a stream called "s1". This patch will always
preference "a.txt:s1" over a.txt's s1 stream.
The real issue is that at the vfs level, the vfs modules have no way
to tell between a demangled name with a colon and an actual stream. A
more invasive, but better, long-term fix would be to add all paths
that come over the wire into a struct containing metadata about the
path. This metadata could include a flag to indicate whether the path
came over the wire with a colon ":" (guaranteeing that the client is
requesting a stream). Passing this struct down to the lower levels,
including all path-based vfs calls, would allow the above case to be
handled correctly in all cases.
net rpc rights grant: Verify if the username can be resolved to a SID and
display a proper error message if it does not. Otherwise users might think
setting privileges worked fine, but in fact it does not.
Karolin
We use a fd event and receive incoming smb requests
when the fd becomes readable. It's not completely
nonblocking yet, but it should behave like the old code.
We use timed events to trigger retries for deferred open calls.
metze
