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the krbtgt hdb entry provides.
We need to make sure other KDC's with the same hdb backend data
can accept the TGT. (w2k and w2k3 don't support aes256-cts-hmac-sha1-96 (18)
session keys.)
Love: I'm not sure if this is the correct way of doing it...
metze
(This used to be commit 5840f50d89)
of KDC behaviour. This should allow PKINIT to be turned on and
managed with reasonable sanity.
This also means that the krb5.conf in the same directory as the
smb.conf will always have priority in Samba4, which I think will be
useful.
Andrew Bartlett
(This used to be commit a50bbde81b)
Update Heimdal to match current lorikeet-heimdal. This includes
integrated PAC hooks, so Samba doesn't have to handle this any more.
This also brings in the PKINIT code, hence so many new files.
Andrew Bartlett
(This used to be commit 351f7040f7)
this is needed to create plain, singed or sealed LDAP connections.
this should go into lorikeet and main heimdal...
metze
(This used to be commit 75c037cae2)
Remove kerberos_verify.c, as we don't need that code any more.
Replace with code for using the new krb5_rd_req_ctx() borrowed from
Heimdal's accecpt_sec_context.c
Andrew Bartlett
(This used to be commit 13c9df1d4f)
full database name. The existing code (needed for when we use the HDB
as a keytab, such as for the kpasswd service) only works for HDB
keytabs not prefixed with a type.
Andrew Bartlett
(This used to be commit 12dc157dae)
(it doesn't compile on suse 10.1 because gethostname() isn't found,
unistd.h isn't included...)
as we don't need the spnego mech, disable it till it gets fixed in heimdal
metze
(This used to be commit 0a52e11a9c)
This merges Samba4 with lorikeet-heimdal, which itself has been
tracking Heimdal CVS for the past couple of weeks.
This is such a big change because Heimdal reorganised it's internal
structures, with the mechglue merge, and because many of our 'wishes' have been granted: we now have DCE_STYLE GSSAPI, send_to_kdc hooks and many other features merged into the mainline code. We have adapted to upstream's choice of API in these cases.
In gensec_gssapi and gensec_krb5, we either expect a valid PAC, or NO
PAC. This matches windows behavour. We also have an option to
require the PAC to be present (which allows us to automate the testing
of this code).
This also includes a restructure of how the kerberos dependencies are
handled, due to the fallout of the merge.
Andrew Bartlett
(This used to be commit 4826f17351)
These principals do not need to be in the same realm as the rest of
the ticket, the full principal name is in the first componet of the
ASN.1.
Samba4's backend will handle getting this to the 'right' place.
Andrew Bartlett
(This used to be commit 90b01b8af2)
caused the RPC-SECRETS test to crash smbd in an inlined version of
this memcmp() call. This patch should have absolutely no effect at
all, but in fact it prevents the crash.
Disassembling at the point of the crash, it shows that gcc is inlining
the memcmp(). I don't know enough MIPS assembler to actually spot the
bug. In case anyone reading this does know MIPS assembler, here is the
gcc generated code that crashes:
0x105e0218 <gssapi_krb5_verify_header+168>: lw $t1,52($sp)
0x105e021c <gssapi_krb5_verify_header+172>: lw $t1,0($t1)
0x105e0220 <gssapi_krb5_verify_header+176>: lhu $t1,0($t1)
0x105e0224 <gssapi_krb5_verify_header+180>: lw $t2,68($sp)
0x105e0228 <gssapi_krb5_verify_header+184>: lhu $t2,0($t2)
0x105e022c <gssapi_krb5_verify_header+188>: subu $t1,$t1,$t2
it gets a segv at 0x105e0220.
lha, what do you think of this? The change should be innocuous on all
other platforms, apart from making the code harder to read :(
(This used to be commit 95455b5789)
first. That leads to a conflicting define for lseek() due to
_LARGE_FILES being defined after standards headers are included
(This used to be commit 9034238e27)
headers with "" even with a -I override. That means our heimdal_build/
roken override doesn't work.
Switching to <> style includes in roken fixes this. lha, would be be
acceptable upstream? I notice that half your includes of roken.h are
with <> now anyway, so should be harmless (and even more consistent!)
(This used to be commit 92742b8999)
* Move dlinklist.h, smb.h to subsystem-specific directories
* Clean up ads.h and move what is left of it to dsdb/
(only place where it's used)
(This used to be commit f7afa1cb77)
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)
canonicalisation code, I've hacked Heimdal to use the default realm if
no other realm can be determined for a given host.
Andrew Bartlett
(This used to be commit 0f0b0021b7)
on the kerberos mailing lists a couple of weeks ago: Don't use DNS at
all for expanding short names into long names.
Using the 'override krb5_init_context' code already in the tree, this
removes the DNS lag on a kerberos session setup/connection.
Andrew Bartlett
(This used to be commit de3ceab3d0)
ideas I have had.
When I get a full list of things I want to do to a krb5_context I'll
either add gsskrb5_ wrappers, or a way of speicfying the krb5 context
per gssapi context.
(I want to ensure that the only krb5_context variables created while
executing Samba4 are via our wrapper).
Andrew Bartlett
(This used to be commit 8a22d46e70)
data to be signed/sealed. We can use this to split the data from the
signature portion of the resultant wrapped packet.
This required merging the gsskrb5_wrap_size patch from
lorikeet-heimdal, and fixes AES encrption issues on DCE/RPC (we no
longer use a static 45 byte value).
This fixes one of the krb5 issues in my list.
Andrew Bartlett
(This used to be commit e4f2afc343)
with an aim to make the code simpiler and more correct.
Gone is the old (since the very early Samba 3.0 krb5 days) 'iterate over
all keytypes)' code in gensec_krb5, we now follow the approach used in
gensec_gssapi, and use a keytab.
I have also done a lot of work in the GSSAPI code, to try and reduce
the diff between us and upstream heimdal. It was becoming hard to
track patches in this code, and I also want this patch (the DCE_STYLE
support) to be in a 'manageable' state for when lha considers it for
merging. (metze assures me it still has memory leak problems, but
I've started to address some of that).
This patch also includes a simple update of other code to current
heimdal, as well as changes we need for better PAC verification.
On the PAC side of things we now match windows member servers by
checking the name and authtime on an incoming PAC. Not generating these
right was the cause of the PAC pain, and so now both the main code and
torture test validate this behaviour.
One thing doesn't work with this patch:
- the sealing of RPC pipes with kerberos, Samba -> Samba seems
broken. I'm pretty sure this is related to AES, and the need to break
apart the gss_wrap interface.
Andrew Bartlett
(This used to be commit a3aba57c00)
'MEMORY_WILDCARD' keytab type. (part of this checking is in effect a
merge from lorikeet-heimdal, where I removed this)
This is achieved by correctly using the GSSAPI gsskrb5_acquire_cred()
function, as this allows us to specify the target principal, regardless
of which alias the client may use.
This patch also tries to simplify some principal handling and fixes some
error cases.
Posted to samba-technical, reviewed by metze, and looked over by lha on IRC.
Andrew Bartlett
(This used to be commit 506a7b67ae)
To enable, set:
[libdefaults]
dns_lookup_realm = true
dns_lookup_kdc = true
in your /etc/krb5.conf.
In the future I may override the krb5.conf and set this on by default
in Samba4.
Andrew Bartlett
(This used to be commit 32fb50d025)
that the logon_time field in the pac must match the authtime field in the ticket we
gave the client in the AS-REP (and thus also the authtime field in the ticket we get
back in the TGS-REQ).
Many thanks to Andrew Bartlett for his patience in showing me the
basic ropes of all this code! This was a joint effort.
(This used to be commit 7bee374b3f)
this should fix the build on solaris 10
lha can that be merged to the main heimdal if that apears to not break
the build on other platforms
metze
(This used to be commit cb02596279)
interfaces list. This makes heimdal obey the 'interfaces=' smb.conf option, and should also
fix the portability problems with the heimdal code
(This used to be commit ba621d1c55)
