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Modules now name themselves, which should allow for sane behaviour when we get
an 'extern' passdb module (which in turn loads a .so).
Fix up tdbsam for non-unix-accounts. Not sure if this fixes idra's bug, but
its a start...
Andrew Bartlett
(This used to be commit 7d576d89d7b4a7b95e87a844568d7d7cd89f0542)
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idra has promised not to revert these this time :-)
(This used to be commit f556ad67e82518f5a024ffe9184ff9430ab5c541)
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same reason as per pdb_tdb.c
there isn't (and will never be probably) another call to any getpw* fn,
let's use getpwnam_alloc only when needed.
(This used to be commit f12361b1327306e6a3fcf8ff138413ad9a6c69a3)
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(This used to be commit 57a145bff6b382e6dc9a9af96451175d81462c8d)
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(This used to be commit 7f7a15e09a53a03dd423d40201f037f8da049cd7)
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We are not going to reuse any getpw* call, so the extra alloc,copy and free
only uses extra memory and extra cpu time for nothing.
(This used to be commit 5c0bb0487bec00df494b72b64ddf274f42bfefea)
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(This used to be commit 59905d44e51d83f2d4a7b6844e0ae764e0b35c0c)
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Andrew Bartlett
(This used to be commit a96503475d9c1d91c2dfcdebb4f60183432d9aff)
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(This used to be commit e8a891354d307b2352eac375b9be02d7616cdb61)
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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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This time its the pdb_getsampwuid() function - which was only being used by the
SAMR rpc subsystem to gain a 'user session key'. This 'user session key' is
actually generated at login time, and the other changes here simply move that
data around.
This also means that (when I check some details) we will be able to use the
user session key, even when we are not actually the DC, becouse its one of the
components of the info3 struct returned on logon.
Andrew Bartlett
(This used to be commit 799ac01fe08a338e4e94289f5d6767ebf905c1fa)
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conversion across to the pdb_set...() interface.
Now we only set strings that are non-null. This allows Win2k to join the
domain again, particularly when using tdbsam.
Andrew Bartlett
(This used to be commit 6d0b3d051f8f74ea6235173a89e96f5934aff4f3)
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(This used to be commit 6b123adda901ff05b0271eeda060297448f64eec)
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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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Anyway, this makes it slightly sane, but we may decide to smb_panic() here
instead.
Andrew Bartlett
(This used to be commit 724109a33bf2f06bcb97cdd31c0442c6035ff6a6)
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(This used to be commit e0105974c06e210e7565555d4b673c484de32907)
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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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These strings are allocated using talloc(), either using its own memory context
stored on the SAM_ACCOUNT or one supplied by the caller.
The pdb_init_sam() and pdb_free_sam() function have been modifed so that a call
to pdb_free_sam() will either clean up (remove hashes from memory) and destroy
the TALLOC_CTX or just clean up depending on who supplied it.
The pdb_init_sam and pdb_free_sam functions now also return an NTSTATUS, and I
have modified the 3 places that actually checked these returns.
The only nasty thing about this patch is the small measure needed to maintin
interface compatability - strings set to NULL are actually set to "".
This is becouse there are too many places in Samba that do strlen() on these
strings without checking if they are NULL pointers.
A supp patch will follow to set all strings to "" in pdb_default_sam().
Andrew Bartlett
(This used to be commit 144345b41d39a6f68d01f62b7aee64ca0d328085)
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This brings passdb.c down to a much more manageable ~1100 lines and makes it a
little easier to comprehend whats going on here.
Andrew Bartlett
(This used to be commit 28d5ab269cfba5e8410163edb3e0c222ed7f0be1)
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Jeremy.
(This used to be commit 274b04d4a6123fbfe363afc214e908ab36c7e8a7)
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(This used to be commit 999a2f5c847c6a4336df60807e2fb546a2a4894f)
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Tidyup in passdb.c
Jeremy.
(This used to be commit 676eea502a1bb2114a6e8055ecaf97ecab2e3a91)
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people start doing using strlen(src) in strncpy() :-)
This occured when the talloc based passdb was reverted in favor of a pstring
based one. In the talloc version this was fine, becouse the buffer was
strlen(src) bytes long. This no longer applies...
This doesn't seem to have broken anything, but I'm chasing up an oddity with NT
password changing from the last merge.
Test & MERGE for 2.2.3
Andrew Bartlett
(This used to be commit 673ece2841e8b60966a17ece3591f9f202807332)
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Thou shalt not reference SAM_ACCOUNT members directly - always use
pdb_get/pdb_set.
This is achived by making the whole of SAM_ACCOUNT have a .private member,
where the real members live. This caught a pile of examples, and these have
beeen fixed.
The pdb_get..() functions are 'const' (have been for some time) and this
required a few small changes to constify other functions.
I've also added some debugs to the pdb get and set, they can be removed if
requested.
I've rewritten the copy_id2x_to_sam_pass() functions to use the new passdb
interface, but I need the flags info to do it properly.
The pdb_free_sam() funciton now blanks out the LM and NT hashes, and as such
I have removed many extra 'samr_clear_sam_passwd(smbpass)' calls as a result.
Finally, any and all testing is always appriciated - but the basics seem to
work.
Andrew Bartlett
(This used to be commit d3dd28f6c443187b8d820d5a39c7c5b3be2fa95c)
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jerry, can you look at theis where we use standard_sub_advanced() fns?
I think this structure should be backported to 2.2 because we do not know if the SAM_ACCOUNT strings have enough space to contain the "substituted" string.
(Yes, just now we know they are pstrings, but we may change them into alloced one, I'm a strong suported of alloced strings as 1024 bytes are not always enough and are often too much)
(This used to be commit 29b3b5e9292805aa65e887755567abd50f74e5cb)
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(This used to be commit f796f18a83cd2fc0988612aa38c794f005efbfaf)
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(This used to be commit 65e857b36e170e3ecd78bf6695ae73342e9c04cd)
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Andrew Bartlett
(This used to be commit 20d7c5d9b9bc0a426897f21b3350933602abdbf1)
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(This used to be commit a7dc0febe4285b70d3ff5b27505b2681731bfba1)
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(This used to be commit a5f4559b2aade54f1c0f717eea21881f482faff2)
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but it will take more time as I don't want to loose any fixes that
are only in HEAD.
(This used to be commit efcde5d9d8ce44c0613764504d797be54ba21473)
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cli_reg.c - indentation
pdb_ldap.c - some checks on init fns parameters
pdb_tdb.c - some checks on init fns parameters + make sure we close the db on failure
(This used to be commit 49f5cb7a3df6d673f86e6769319aa657e30d8380)
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at the start of the month.
(This used to be commit 30ef625897cd025e1895c932b55dee027f060413)
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(This used to be commit 54cbfc7ebcdf1bd2094407b689b0050f0abfa46f)
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(This used to be commit c6d867b55273167a0adaeb979062752edeb09549)
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members (such as uid and gid). This way we will be able to
keep ourselves from writing out default smb.conf settings when
the admin doesn't want to, That part is not done yet.
Tested compiles with ldap/tdb/smbpasswd. Tested connection with smbpasswd
backend.
oh...and smbpasswd doesn'y automatically expire accounts after 21 days
from the last password change either now. Just ifdef'd out that code
in build_sam_account().
Will merge updates into 2.2 as they are necessary.
jerry
(This used to be commit f0d43791157d8f04a13a07d029f203ad4384d317)
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(This used to be commit c26623671e2b0b2e80c6d6383a99880c4f439f04)
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Ignacio you can update your howto ;-)
samsync: a small patch to try chaning challenges.
J.F.
(This used to be commit c99bc305599698f2291efbfe20024355cb2bcde0)
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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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(This used to be commit c76c1f6904510d6ecca3453f91433420f22b7bd6)
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(This used to be commit aff916e543f1c70aa5fe0fc07dda21e772625097)
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not the privileges. Usually we don't need them, so the memory is free
early.
lib/util_sid.c: added some helper functions to check an SID.
passdb/passdb.c: renamed local_lookup_rid() to local_lookup_sid() and pass
an RID all the way. If the group doesn't exist on the domain SID,
don't return a faked one as it can collide with a builtin one. Some rpc
structures have been badly designed, they return only rids and force the
client to do subsequent lsa_lookup_sid() on the domain sid and the builtin
sid !
rpc_server/srv_util.c: wrote a new version of get_domain_user_groups().
Only the samr code uses it atm. It uses the group mapping code instead of
a bloody hard coded crap. The netlogon code will use it too, but I have to
do some test first.
J.F.
(This used to be commit 6c87e96149101995b7d049657d5c26eefef37d8c)
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(This used to be commit 153c4a56b0b5473a1efb208551f36480cdb5d264)
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You can change them with either usermanager->policies->account
or from a command prompt on NT/W2K: net accounts /domain
we can add a rpc accounts to the net command. As the net_rpc.c is still
empty, I did not start. How should I add command to it ? Should I take the
rpcclient/cmd_xxx functions and call them from there ?
alse changed the SAM_UNK_INFO_3 parser, it's an NTTIME. This one is more
for jeremy ;-)
J.F.
(This used to be commit bc28a8eebd9245ce3004ae4b1a359db51f77bf21)
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and cleanup and comments in passdb/passdb.c
J.F.
(This used to be commit 6533339887832ca6dd42d99385c615db7bee3d43)
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This time it's a PRIVILEGE_SET struct instead of a simple uint32 array. It
makes much more sense. Also added a uint32 systemaccount to the GROUP_MAP
struct as some privilege showing in USRMGR.EXE are not real privs but a
bitmask flag. I guess it's an heritage from NT 3.0 ! I could setup an NT
3.1 box to verify, but I'm too lazy (yes I still have my CDs).
Added 3 more LSA calls: SetSystemAccount, AddPrivileges and
RemovePrivileges, we can manage all this privilege from UserManager.
Time to change the NT_USER_TOKEN struct and add checks in all the rpc
functions. Fun, fun, fun.
J.F.
(This used to be commit 3f0a9ef2b8c626cfa2878394bb7b642342342bf3)
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(This used to be commit 5f625f2877fc5132be3030fc6ea9df4d59ecff05)
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(This used to be commit 8712ac84995f8454619245ca111575d4b9769b43)
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(This used to be commit 6dda341bc80dc7c4d044df134fc153f646a6a4e9)
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