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Added TODO about perhaps doing a SAMLOGON udp/138 request before a
cli_full_connection in connect_to_domain_password_server()
(This used to be commit b61e40a5be3b8bacc74399902169755dbc4c7fca)
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(This used to be commit e67c7c5852624bcdd5c565ea5f00b143aaf7fee4)
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Samba now features a pluggable passdb interface, along the same lines as the
one in use in the auth subsystem. In this case, only one backend may be active
at a time by the 'normal' interface, and only one backend per passdb_context is
permitted outside that.
This pluggable interface is designed to allow any number of passdb backends to
be compiled in, with the selection at runtime. The 'passdb backend' paramater
has been created (and documented!) to support this.
As such, configure has been modfied to allow (for example) --with-ldap and the
old smbpasswd to be selected at the same time.
This patch also introduces two new backends: smbpasswd_nua and tdbsam_nua.
These two backends accept 'non unix accounts', where the user does *not* exist
in /etc/passwd. These accounts' don't have UIDs in the unix sense, but to
avoid conflicts in the algroitmic mapping of RIDs, they use the values
specified in the 'non unix account range' paramter - in the same way as the
winbind ranges are specifed.
While I was at it, I cleaned up some of the code in pdb_tdb (code copied
directly from smbpasswd and not really considered properly). Most of this was
to do with % macro expansion on stored data. It isn't easy to get the macros
into the tdb, and the first password change will 'expand' them. tdbsam needs
to use a similar system to pdb_ldap in this regard.
This patch only makes minor adjustments to pdb_nisplus and pdb_ldap, becouse I
don't have the test facilities for these. I plan to incoroprate at least
pdb_ldap into this scheme after consultation with Jerry.
Each (converted) passdb module now no longer has any 'static' variables, and
only exports 1 init function outside its .c file.
The non-unix-account support in this patch has been proven! It is now possible
to join a win2k machine to a Samba PDC without an account in /etc/passwd!
Other changes:
Minor interface adjustments:
pdb_delete_sam_account() now takes a SAM_ACCOUNT, not a char*.
pdb_update_sam_account() no longer takes the 'override' argument that was being
ignored so often (every other passdb backend). Extra checks have been added in
some places.
Minor code changes:
smbpasswd no longer attempts to initialise the passdb at startup, this is
now done on first use.
pdbedit has lost some of its 'machine account' logic, as this behaviour is now
controlled by the passdb subsystem directly.
The samr subsystem no longer calls 'local password change', but does the pdb
interactions directly. This allow the ACB_ flags specifed to be transferred
direct to the backend, without interference.
Doco:
I've updated the doco to reflect some of the changes, and removed some paramters
no longer applicable to HEAD.
(This used to be commit ff354c99c585068af6dc1ff35a1f109a806b326b)
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password check into its own helper funciton. (This will allow it to be called
from other places).
Andrew Bartlett
(This used to be commit 9e96f438057da21254f40facdd9a31dd20652f35)
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Andrew Bartlett
(This used to be commit 9bfe54a3d484919fe830f9c6ae01f67663974af2)
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Samba (ab)uses the returns from getpwnam() a lot - in particular it keeps
them around for a long time - often past the next call...
This adds a getpwnam_alloc and a getpwuid_alloc to the collection.
These function as expected, returning a malloced structure that can be
free()ed with passwd_free(&passwd).
This patch also cuts down on the number of calls to getpwnam - mostly by
taking advantage of the fact that the passdb interface is already
case-insensiteve.
With this patch most of the recursive cases have been removed (that I know
of) and the problems are reduced further by not using the sys_ interface
in the new code. This means that pointers to the cache won't be affected.
(This is a tempoary HACK, I intend to kill the password cache entirly).
The only change I'm a little worried about is the change to
rpc_server/srv_samr_nt.c for private groups. In this case we are getting
groups from the new group mapping DB. Do we still need to check for private
groups? I've toned down the check to a case sensitve match with the new code,
but we might be able to kill it entirly.
I've also added a make_modifyable_passwd() function, that copies a passwd
struct into the form that the old sys_getpw* code provided. As far as I can
tell this is only actually used in the pass_check.c crazies, where I moved
the final 'special case' for shadow passwords (out of _Get_Pwnam()).
The matching case for getpwent() is dealt with already, in lib/util_getent.c
Also included in here is a small change to register the [homes] share at vuid
creation rather than just in one varient of the session setup. (This picks
up the SPNEGO cases). The home directory is now stored on the vuid, and I
am hoping this might provide a saner way to do %H substitions.
TODO: Kill off remaining Get_Pwnam_Modify calls (they are not needed), change
the remaining sys_getpwnam() callers to use getpwnam_alloc() and move
Get_Pwnam to return an allocated struct.
Andrew Bartlett
(This used to be commit 1d86c7f94230bc53daebd4d2cd829da6292e05da)
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Also set the default value of all the allocated strings to "" to avoid changing
the interface (becouse pdb_get...() would point to a null string, rather than a
null pointer and parts of samba rely on that).
Andrew Bartlett
(This used to be commit 5b4079f748e25f21162e21b439063249baf8dca6)
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This occured when the attempt to contact the PDC failed. The connection code
has already shut down the connection, and 'free'ed the cli or has never
initialised it in the first place.
Andrew Bartlett
(This used to be commit 37ce7630434c1afae5164c64438f428dd8e1b731)
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This work was sponsored by Optifacio Software Services, Inc.
Andrew Bartlett
(various e-mails announcements merged into some form of commit message below:)
This patch which adds basics of universal groups support
into Samba 3. Currently, only Winbind with RPC calls supports this, ADS
support requires additional (possibly huge) work on KRB5 PAC. However,
basic infrastructure is here.
This patch adds:
1. Storing of universal groups for particular user logged into Samba
software (smbd/ two winbind-pam methods) into netlogon_unigrp.tdb as array
of uint32 supplemental group rids keyed as DOMAIN_SID/USER_RID in tdb.
2. Fetching of unversal groups for given user rid and domain sid from
netlogon_unigrp.tdb.
Since this is used in both smbd and winbindd, main code is in
source/lib/netlogon_uingrp.c. Dependencies are added to AUTH_OBJ as
UNIGRP_OBJ and WINBINDD_OBJ as UNIGRP_OBJ.
This patch has had a few versions, the final version in particular:
Many thanks to Andrew Bartlett for critics and comments, and partly
rewritten code.
New:
- updated fetching code to changed byte order macros
- moved functions to proper namespace
- optimized memory usage by reusing caller's memory context
- enhanced code to more follow Samba coding rules
Todo:
- proper universal group expiration after timeout
(This used to be commit 80c2aefbe7c1aa363dd286a47d50c5d8b4595f43)
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(This used to be commit 0b0b937b58f4bf4e005fb622f0db19175fc46a47)
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Andrew Bartlett
(This used to be commit d7fca1806a304cb6eeecfe34d6c5c012c745114f)
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Replace this with some flags that *we* define. We can do a mapping later
if we actually get some more reliable info about what passwords are actually
valid.
Andrew Bartlett
(This used to be commit 7f7a42c3e4d5798ac87ea16a42e4976c3778a76b)
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Also more insertion of parenthesis to handle struct members called
'free'.
You can now get useful dmalloc output, as long as it is compatible
with your C library. On RH7.1 it looks like you have to rebuild
dmalloc to allow free(0) by default, because something in libcrypt
does that. (sigh)
(This used to be commit 391cbb690196537c8b6292b42c2e27408cc7e249)
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The auth_authsupplied_info typedef is now just a plain struct - auth_context,
but it has been modified to contain the function pointers to the rest
of the auth subsystem's components.
(Who needs non-static functions anyway?)
In working all this mess out, I fixed a number of memory leaks and moved the
entire auth subsystem over to talloc().
Note that the TALLOC_CTX attached to the auth_context can be rather long-lived,
it is provided for things that are intended to live as long. (The
global_negprot_auth_context lasts the whole life of the smbd).
I've also adjusted a few things in auth_domain.c, mainly passing the domain as
a paramater to a few functions instead of looking up lp_workgroup(). I'm
hopign to make this entire thing a bit more trusted domains (as PDC) freindly
in the near future.
Other than that, I moved a bit of the code around, hence the rather messy diff.
Andrew Bartlett
(This used to be commit 12f5515f556cf39fea98134fe3e2ac4540501048)
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Merge SAFE_FREE fix in tdb from 2.2, and IRIX fix.
Jeremy.
(This used to be commit eb6607466565bcd5b3800492d0bc1ae8a44da4f6)
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(This used to be commit 3d812aacff98eec62c748cb89109a2e58806d92d)
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when using the 'name_to_ntstatus' auth module.
This could be useful in testing.
Andrew Bartlett
(This used to be commit 5cdc67d0bda8ef41305cae9c5be70d11593ffdd8)
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Andrew Bartlett
(This used to be commit 6673fdda3cb6b90189d8f82274fdffa89f68101b)
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- Move rpc_client/cli_trust.c to smbd/change_trust_pw.c
- It hasn't been used by anything else since smbpasswd lost its -j
- Add a TALLOC_CTX to the auth subsytem. These are only valid for the length
of the calls to the individual modules, if you want a longer context hide it
in your private data.
Similarly, all returns (like the server_info) should still be malloced.
- Move the 'ntdomain' module (security=domain in oldspeak) over to use the new
libsmb domain logon code. Also rework much of the code to use some better
helper functions for the connection - getting us much better error returns
(the new code is NTSTATUS).
The only remaining thing to do is to figure out if tpot's 0xdead 0xbeef for
the LUID feilds is sufficient, or if we should do random LUIDs as per the old
code.
Similarly, I'll move winbind over to this when I get a chance.
This leaves the SPOOLSS code and some cli_pipe code as the only stuff still in
rpc_client, at least as far as smbd is concerned.
While I've given this a basic rundown, any testing is as always appriciated.
Andrew Bartlett
(This used to be commit d870edce76ecca259230fbdbdacd0c86793b4837)
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- fixed gid* bug in rpc_server
(This used to be commit 48aa90c48c5f0e3054c4acdc49668e222e7c0d36)
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probably will never actually be genearted, but I like the style in any case.
Also fix a segfault in 'net rpc' when the login failed and a small memory leak
on failure in the auth_info.c code.
Andrew Bartlett
(This used to be commit 2efae7cc522651c22fb120835bc800645559b63e)
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Fixed up error returns in get_correct_cversion().
Jeremy.
(This used to be commit 7ce2d1fe37d2be26c407f3dc9427851d00ca216a)
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the method used for checking if a domain is a trusted domain is very
crude, we should really call a backend fn of some sort. For now I'm
using winbindd to do the dirty work.
(This used to be commit adf44a9bd0d997ba4dcfadc564a29149531525af)
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and somehow this worked when both were provided, but not when only one was.
(This used to be commit 477309b1e653761b291daa4693976d341880beab)
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causes a confusing client error. Changed to NT_STATUS_CANT_ACCESS_DOMAIN_INFO.
(This used to be commit 07ea83e6f0f03ba4706c98abb58346a4f4ec983c)
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It's just to keep usermanager happy ;-)
clean up a bit samr_query_aliasinfo to return the group description
added: samr_del_aliasmem, samr_del_groupmem and samr_del_domuser
with the correct scripts, you can now entirely manage the users from
usermanager ! Closer to full PDC every day ;-)
J.F.
(This used to be commit 0a727afc669704cda9b44d44dbac9e989e906ae3)
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(This used to be commit ff91131ef9b384765de3e4f22202d1e493f02efc)
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- removed the ugly as hell sam_logon_in_ssb variable, I changed a bit the
definition of standard_sub_basic() to cope with that.
- removed the smb.conf: 'domain admin group' and 'domain guest group'
parameters ! We're not playing anymore with the user's group RIDs !
- in get_domain_user_groups(), if the user's gid is a group, put it first
in the group RID list.
I just have to write an HOWTO now ;-)
J.F.
(This used to be commit fef52c4b96c987115fb1818c00c2352c67790e50)
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name_status_find() call here should look up a #1c name instead of #1d.
This fixes some bugs currently with BDC authentication in winbindd and in
smbd as you can't query the #1d name with the ip address of a BDC.
Who is Uncle Tom Cobbley anyway?
(This used to be commit 4215048f7b20a8f9e5877bdbb2f54841b2f7fa64)
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(This used to be commit e2ba2383c9f679c076749a8f4fccefc3559e37ec)
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(This used to be commit 1bd3235744bebefa6ba09795438400b4674c165c)
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(This used to be commit 8eb4277b12b600cdbf8a5205ebc76d1d9d52f1aa)
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(This used to be commit 982d6d447add2d4079c28c0b8ecb0e499f391a2a)
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fix a memory leak
(This used to be commit 1421f2fbcb296a894cb4e7548e0275e35e055b98)
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(This used to be commit 44224ae156394dac1055c68764c84f758cea6540)
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We now default encrypt passwords = yes
We now check plaintext passwords (however aquired) with the 'sam' backend
rather than unix, if encrypt passwords = yes.
(this kills off the 'local' backed. The sam backend may be renamed in its
place)
The new 'samstrict' wrapper backend checks that the user's domain is one of
our netbios aliases - this ensures that we don't get fallback crazies with
security = domain.
Similarly, the code in the 'ntdomain' and 'smbserver' backends now checks
that the user was not local before contacting the DC.
The default ordering has changed, we now check the local stuff first - but
becouse of the changes above, we will really only ever contact one
auth source.
Andrew Bartlett
(This used to be commit e89b47f65e7eaf5eb288a3d6ba2d3d115c628e7e)
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(This used to be commit b175c42080b15f27589cb6b6d61af5cbbedf5d02)
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(This used to be commit d6318add27f6bca5be00cbedf2226b642341297a)
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and replaced with two functions:
void zero_ip(struct in_adder *ip);
BOOL is_zero_ip(struct in_addr ip);
(This used to be commit 778f5f77a66cda76348a7c6f64cd63afe2bfe077)
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subdirectory.
(The insertion of these files was done with some CVS backend magic, hence the
lack of a commit message).
This also moves libsmb/domain_client_validate.c back into auth_domain.c,
becouse we no longer share it with winbind.
Andrew Bartlett
(This used to be commit 782835470cb68da2188a57007d6f55c17b094d08)
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map.
This little authentication module is #ifdef DEVELOPER, becouse it really is of
no use execept as a development tool
invoke by setting:
auth methods = guest sam name_to_ntstatus
in the smb.conf file (the SAM and guest elements are required for the member
server to authenticate itself).
Andrew Bartlett
(This used to be commit 9807e66f34c1088399657060977e384c5a7f0664)
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(large change to modularise the auth subsystem)
Andrew Bartlett
(This used to be commit 324c4676280641fee0647221dba1e826e03ba9ab)
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subystem.
The particular aim is to modularized the interface - so that we
can have arbitrary password back-ends.
This code adds one such back-end, a 'winbind' module to authenticate
against the winbind_auth_crap functionality. While fully-functional
this code is mainly useful as a demonstration, because we don't get
back the info3 as we would for direct ntdomain authentication.
This commit introduced the new 'auth methods' parameter, in the
spirit of the 'auth order' discussed on the lists. It is renamed
because not all the methods may be consulted, even if previous
methods fail - they may not have a suitable challenge for example.
Also, we have a 'local' authentication method, for old-style
'unix if plaintext, sam if encrypted' authentication and a
'guest' module to handle guest logins in a single place.
While this current design is not ideal, I feel that it does
provide a better infrastructure than the current design, and can
be built upon.
The following parameters have changed:
- use rhosts =
This has been replaced by the 'rhosts' authentication method,
and can be specified like 'auth methods = guest rhosts'
- hosts equiv =
This needs both this parameter and an 'auth methods' entry
to be effective. (auth methods = guest hostsequiv ....)
- plaintext to smbpasswd =
This is replaced by specifying 'sam' rather than 'local'
in the auth methods.
The security = parameter is unchanged, and now provides defaults
for the 'auth methods' parameter.
The available auth methods are:
guest
rhosts
hostsequiv
sam (passdb direct hash access)
unix (PAM, crypt() etc)
local (the combination of the above, based on encryption)
smbserver (old security=server)
ntdomain (old security=domain)
winbind (use winbind to cache DC connections)
Assistance in testing, or the production of new and interesting
authentication modules is always appreciated.
Andrew Bartlett
(This used to be commit 8d31eae52a9757739711dbb82035a4dfe6b40c99)
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(This used to be commit edb556b47446f75dc4987eee15276661eb6cec8d)
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(This used to be commit 096868bd35b374f97e570676fc23c006b6c7a1d3)
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Spelling fix.
(This used to be commit 3d87c1a2444c3b9267e0dda7a2da77657fba143e)
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Add and fix comments
Add 'const' to some more input paramaters.
(This used to be commit 0c7eefcb5c5db63294d0584029e0d32cd1523e80)
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Check the pdb_init_sam() for failure.
(This used to be commit 1808cd5210258bddc349f13a7bcf20a3f46aa672)
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remove rudundent not null checks
fix indenting
(This used to be commit 3eada888fddb1f0cb7c0ed7037eb1c60e7988ad9)
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(This used to be commit 600d83e43f61eb138115731ce089ba42d63e0924)
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