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similarly built clients) behave.
This is better than just ignoring the checksum, if it isn't the GSSAPI
checksum. (Samba4 clients in Samba3 mode use more than just the MD5
checksum, and will use a signed AES checksum if available. Actual
samba3 may well do the same in future, against a suitable KDC).
Also a change for easier debugging of checksum issues.
Andrew Bartlett
(This used to be commit 120374f5f9)
This includes many useful upstream changes, many of which should
reduce warnings in our compile.
It also includes a change to the HDB interface, which removes the need
for Samba4/lorikeet-heimdal to deviate from upstream for hdb_fetch().
The new flags replace the old entry type enum.
(This required the rework in hdb-ldb.c included in this commit)
Andrew Bartlett
(This used to be commit ef5604b877)
We do need the gsskrb5_get_initiator_subkey() routine. But we should
ensure that we do always get a valid key, to prevent any segfaults.
Without this code, we get a different session key compared with
Win2k3, and so kerberised smb signing fails.
Andrew Bartlett
(This used to be commit cfd0df16b7)
same session key. I need to understand this more, but it works
samba/samba, and I don't have access to windows doing AES (longhorn)
yet.
Andrew Bartlett
(This used to be commit 38809b43a5)
case) as the keytab.
This avoids issues in replicated setups, as we will replicate the
kpasswd key correctly (including from windows, which is why I care at
the moment).
Andrew Bartlett
(This used to be commit 849500d1aa)
gsskrb5_get_initiator_subkey() routine is bougs. We can indeed use
gss_krb5_get_subkey().
This is fortunate, as there was a segfault bug in 'initiator' version.
Andrew Bartlett
(This used to be commit ec11870ca1)
This merges Samba4 up to current lorikeet-heimdal, which includes a
replacement for some Samba-specific hacks.
In particular, the credentials system now supplies GSS client and
server credentials. These are imported into GSS with
gss_krb5_import_creds(). Unfortunetly this can't take an MEMORY
keytab, so we now create a FILE based keytab as provision and join
time.
Because the keytab is now created in advance, we don't spend .4s at
negprot doing sha1 s2k calls. Also, because the keytab is read in
real time, any change in the server key will be correctly picked up by
the the krb5 code.
To mark entries in the secrets which should be exported to a keytab,
there is a new kerberosSecret objectClass. The new routine
cli_credentials_update_all_keytabs() searches for these, and updates
the keytabs.
This is called in the provision.js via the ejs wrapper
credentials_update_all_keytabs().
We can now (in theory) use a system-provided /etc/krb5.keytab, if
krb5Keytab: FILE:/etc/krb5.keytab
is added to the secrets.ldb record. By default the attribute
privateKeytab: secrets.keytab
is set, pointing to allow the whole private directory to be moved
without breaking the internal links.
(This used to be commit 6b75573df4)
Allow ticket requests with only a netbios name to be considered 'null'
addresses, and therefore allowed by default.
Use the netbios address as the workstation name for the allowed
workstations check with krb5.
Andrew Bartlett
(This used to be commit 328fa186f2)
We now put the PAC in the AS-REP, so that the client has it in the
TGT. We then validate it (and re-sign it) on a TGS-REQ, ie when the
client wants a ticket.
This should also allow us to interop with windows KDCs.
If we get an invalid PAC at the TGS stage, we just drop it.
I'm slowly trying to move the application logic out of hdb-ldb.c, and
back in with the rest of Samba's auth system, for consistancy. This
continues that trend.
Andrew Bartlett
(This used to be commit 36973b1eef)
the code in auth/auth_sam.c for consistancy. This will also allow us
to have one place for a backend directory hook.
I will use a very similar hook to add the PAC.
Andrew Bartlett
(This used to be commit 4315836cd8)
wanted. There is nothing that suggests that the host we forward
credentials to will not have other interfaces, unassoicated with their
service name. Likewise, the name may be a netbios, not DNS name.
This should avoid some nasty DNS lookups.
Andrew Bartlett
(This used to be commit da0ff19856)
change this checksum, as it is inside the encrypted packets.
Where the client (such as Samba3) fakes up GSSAPI, allow it to
continue. We can't rid the world of all Samba3 and similar clients...
Andrew Bartlett
(This used to be commit e60cdb63fb)
DCE_STYLE modified version, and add parametric options to control
delegation.
It turns out the only remaining issue is sending delegated credentials
to a windows server, probably due to the bug lha mentions in his blog
(using the wrong key).
If I turn delgation on in smbclient, but off in smbd, I can proxy a
cifs session.
I can't wait till Heimdal 0.8, so I'll see if I can figure out the fix
myself :-)
Andrew Bartlett
(This used to be commit fd5fd03570)
of the gsskrb5_acquire_cred hack.
Add support for delegated credentials into the auth and credentials
subsystem, and specifically into gensec_gssapi.
Add the CIFS NTVFS handler as a consumer of delegated credentials,
when no user/domain/password is specified.
Andrew Bartlett
(This used to be commit 55b89899ad)
have easy access to the event context.
This stops Samba dead-locking against itself when the winbindd client
tries to contact the KDC.
Andrew Bartlett
(This used to be commit 57f811115e)
than doing ASN.1 parsing in Samba.
Also use the API function for getting a client from a ticket, rather
than just digging in the structure.
Andrew Bartlett
(This used to be commit 25d5ea6d72)
at the Samba4 socket layer.
The intention here is to ensure that other events may be processed while
heimdal is waiting on the KDC. The interface is designed to be
sufficiently flexible, so that the plugin may choose how to time
communication with the KDC (ie multiple outstanding requests, looking
for a functional KDC).
I've hacked the socket layer out of cldap.c to handle this very
specific case of one udp packet and reply. Likewise I also handle
TCP, stolen from the winbind code.
This same plugin system might also be useful for a self-contained
testing mode in Heimdal, in conjunction with libkdc. I would suggest
using socket-wrapper instead however.
Andrew Bartlett
(This used to be commit 3b09f9e8f9)
