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- removed DOM_RID4
- removed SAMR_UNKNOWN_32
- added SAMR_SET_USERINFO (opcode 0x32)
- added level 0x1 to SAMR_QUERY_DOM_INFO (needed for create user)
- fixed pwdb_gethexpwd() it was failing on XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
- added mod_sam21pwd_entry()
- preparing to call mod_sam21pwd_entry()
- added "user session key" to user_struct.dc. this is md4(nt#) and is
needed to decode user's clear-text passwords in SAMR_SET_USERINFO.
- split code out in chgpasswd.c to decode 516 byte password buffers.
* Added SAMR_LOOKUP_DOMAIN (-> SamrLookupDomainInSamServer)
* Added real SAMR_ENUM_DOM_GROUPS (corresponding to
SamrEnumerateGroupsInDomain). The existing one is just an alias for
SamrQueryDisplayInformation (see below).
* Added three extra info levels to SAMR_QUERY_DISPINFO. Info level 3 is
what was previously SAMR_ENUM_DOM_GROUPS; info levels 4 and 5 are
simple user/group list requests used by Win9x and I suspect (haven't
checked) the "low speed connection" User Manager.
* Added another two aliases for SAMR_QUERY_DISPINFO, opcodes 0x30 and
0x33. Usually the first is with info level 3 and the second 4 but there is
some overlap so indeed these should be implemented as just aliases.
* Return ERRDOS/ERRmoredata on extra data instead of
STATUS_BUFFER_OVERFLOW for Win95's benefit. On a named pipe this results
in an SMBreadX as usual.
Still need to fix SAMR_QUERY_DOMAIN_INFO which has a hard-coded number of
users and groups - which Win95 proceeds to truncate at.
No more ugly static library buffers and all functions take a destination
string length (especially unistrcpy was rather dangerous; we were only
saved by the fact that datagrams are limited in size).
representation in the underlying database: removed this code.
for example, with the nt->unix mapping system (don't know about the ldap
one) if you want "Domain Admins" to appear you _must_ put it in the
domaingroup.map file.
the previous code was adding builtin aliases and well-known groups even
if they weren't in the domain maps. bad idea.
also needed to use start index properly and generate next index.
both client and server code need to recognise error code 0x105
when there's not enough room to store all the users in one call.
sort this out another time.
attempt at taking lib/uid.c and getting a unix security context
change module that is independent of "cnums" and "snums".
a security context is needed for pipes, not just IPC$ or other
services.
- group database API
added add_group/alias_member, del_group/alias_member,
del_group/alias_entry functions. del_builtin_entry() is
deliberately set to NULL to cause an exception, you cannot
delete builtin aliases.
- parse_lsa.c srv_lsa.c
fixed lookup_names code, it was a load of trash and didn't do
anything.
- cmd_samr.c rpcclient.c srv_samr.c
added "deletegroup", "deletealias", "delaliasmem", "delgroupmem",
"addgroupmem", "addaliasmem", "createalias", "creategroup", to
both client and server code.
server code calls into unix stubs right now, which don't actually
do anything. the only instance where they are expected to do
anything is in appliance mode NOT even in the ldap code or anything.
client code modified to call samr_lookup_names() for group code
(because we can) and lsa_lookup_names() for alias code (because
we have to).
- srv_lookup.c
oops, lookup on unsplit name, we got lookup on DOMAIN, DOMAIN\name
instead of DOMAIN, name.
- samr_enum_dom_users, the first 4 bytes is some sort of garbage,
nt5-beta2 clears them out to zeros whereas nt4 does not.
fixed bug where we were assuming that the first 4 bytes of a
response _had_ to be non-zero.
- cli_lsarpc.c: forgot to append the rid on the lsa_lookup_names()
client call.
- added in "addaliasmem" and "addgroupmem" commands. the addaliasmem
command actually turned out to be a "delaliasmem" :-) :-)
- parse_lsa.c: moved assert array check to after the size of useable
array space is set...
- renamed do_lsa_xxx to lsa_xxx
- added "enumgroups [-m]" command, enumerates groups, shows members.
- added cmd_sam_add_groupmem(), need to call these in rpcclient.c
- added cmd_sam_add_aliasmem(), need to call these in rpcclient.c
- modified "enumaliases [-m]" command
- improved "enumgroups" and "enumaliases" to display names not just RIDS/SIDs.
- renamed "samr_unknown_12" to "samr_lookup_rids".
- added the following client-side functions:
get_samr_query_groupmem()
get_samr_query_aliasmem()
get_samr_query_groupinfo()
samr_enum_dom_groups()
samr_enum_dom_aliases()
samr_add_aliasmem()
samr_add_groupmem()
- improved display output (display.c)
samr_query_aliasmembers (cool!)
util_pwdb.c sids.c nmbd.c server.c smbpasswd.c swat.c :
pwdb_initialise(BOOL is_server) now creates / reads DOMAIN_NAME.SID
if is_server is True, and does LsaQueryInfoPolicy(levels 3 and 5)
to obtain member and pdc sids.
- lib/sids.c:
generate_sam_sid() modified to take a domain name: it now
generates "DOMAIN_NAME.SID". reasons:
1) if you run multiple samba servers on the same machine
under different netbios names as members of a domain,
they won't all use the same SID, which is a _big_ mistake
but it would happen _by default_.
2) we have (had) a problem with sid_to_string() and string_to_sid()
which cause SIDs to be incorrectly read. one of the major
reasons for *NOT* making this change was so as not to disrupt
existing users. but as they will be anyway by this bug,
we might as well go ahead.
- passdb/smbpass.c:
wanted to change the meaning of the name in the smbpasswd
file to an "nt" name not a "unix" name. this is probably
not a good idea: reverted this.
- output formatting / bug-fixing in rpcclient query_useraliases code.
- split sam_passwd and smb_passwd into separate higher-order function tables
- renamed struct smb_passwd's "smb_user" to "unix_user". added "nt_user"
plus user_rid, and added a "wrap" function in both sam_passwd and smb_passwd
password databases to fill in the blank entries that are not obtained
from whatever password database API instance is being used.
NOTE: whenever a struct smb_passwd or struct sam_passwd is used, it MUST
be initialised with pwdb_sam_init() or pwd_smb_init(), see chgpasswd.c
for the only example outside of the password database APIs i could find.
- added query_useraliases code to rpcclient.
- dealt with some nasty interdependencies involving non-smbd programs
and the password database API. this is still not satisfactorily
resolved completelely, but it's the best i can do for now.
- #ifdef'd out some password database options so that people don't
mistakenly set them unless they recompile to _use_ those options.
lots of debugging done, it's still not finished. the unix/NT uid/gid
and user-rid/group-rid issues are better, but not perfect. the "BUILTIN"
domain is still missing: users cannot be added to "BUILTIN" groups yet,
as we only have an "alias" db API and a "group" db API but not "builtin-alias"
db API...
now need search capability on S-1-5-20, which will need argh, a
"group database API" on S-1-5-20, and the ability to add BUILTIN\Admins
etc to "local group map" argh.
Tidied up some of the mess (no other word for it). Still doesn't
compile cleanly. There are calls with incorrect parameters that
don't seem to be doing the right thing.
This code still needs surgery :-(.
Jeremy.
the pre-alpha "domain group" etc parameters have disappeared.
- interactive debug detection
- re-added mem_man (andrew's memory management, detects memory corruption)
- american spellings of "initialise" replaced with english spelling of
"initialise".
- started on "lookup_name()" and "lookup_sid()" functions. proper ones.
- moved lots of functions around. created some modules of commonly used
code. e.g the password file locking code, which is used in groupfile.c
and aliasfile.c and smbpass.c
- moved RID_TYPE_MASK up another bit. this is really unfortunate, but
there is no other "fast" way to identify users from groups from aliases.
i do not believe that this code saves us anything (the multipliers)
and puts us at a disadvantage (reduces the useable rid space).
the designers of NT aren't silly: if they can get away with a user-
interface-speed LsaLookupNames / LsaLookupSids, then so can we. i
spoke with isaac at the cifs conference, the only time for example that
they do a security context check is on file create. certainly not on
individual file reads / writes, which would drastically hit their
performance and ours, too.
- renamed myworkgroup to global_sam_name, amongst other things, when used
in the rpc code. there is also a global_member_name, as we are always
responsible for a SAM database, the scope of which is limited by the role
of the machine (e.g if a member of a workgroup, your SAM is for _local_
logins only, and its name is the name of your server. you even still
have a SID. see LsaQueryInfoPolicy, levels 3 and 5).
- updated functionality of groupname.c to be able to cope with names
like DOMAIN\group and SERVER\alias. used this code to be able to
do aliases as well as groups. this code may actually be better
off being used in username mapping, too.
- created a connect to serverlist function in clientgen.c and used it
in password.c
- initialisation in server.c depends on the role of the server. well,
it does now.
- rpctorture. smbtorture. EXERCISE EXTREME CAUTION.
now as "RPC fault" if the UNIHDR structure lengths do not exactly
match up to the length of the data stream.
so, all versions of samba prior to this one have an off-by-one bug
in unicode string lengths.
all versions of NT prior to NT 5 beta 2 could possibly have buffer
problems when receiving badly formatted UNICODE strings.
(as it is everywhere else).
smbwrapper/smbsh.c: For IRIX n32 binaries, set _RLDN32_LIST not _RLD32_LIST.
Exec users preferred shell is SHELL environment variable is set.
tests/fcntl_lock.c: Added sys/types.h for systems that need this.
Jeremy.
rpc_client/cli_pipe.c: Inlined code removed from smbdes.c
rpc_server/srv_samr.c: Fixed unused variable warning.
rpc_server/srv_util.c: Inlined code removed from smbdes.c
Luke - the above changes are the first part of the changes
you and I discussed as being neccessary at the CIFS conference.
*PLEASE REVIEW THESE CHANGES* - make sure I haven't broken
any of the authenticated DCE/RPC code.
smbd/nttrans.c: Fixed to allow NT5.0beta2 to use Samba shares
with NT SMB support.
smbd/open.c: Fixed mkdir when called from nttrans calls.
smbd/server.c: Set correct size for strcpy of global_myworkgroup.
Jeremy.
- removed debug info in struni2 and unistr2 (security risk)
- rpc_pipe function was getting pointer to data then calling realloc *dur*
- password check function, the start of "credential checking",
user, wks, domain, pass as the credentials (not just user,pass which
is incorrect in a domain context)
- cli_write needs to return ssize_t not size_t, because total can be -1
if the write fails.
- fixed signed / unsigned warnings (how come i don't get those any more
when i compile with gcc???)
- nt password change added in smbd. yes, jeremy, i verified that the
SMBtrans2 version still works.
AS/U:
it returns dce/rpc "first" and "last" bits _clear_ in a bind/ack
response, when they should be set in a (small) packet. they also,
in the bind/ack do not set a secondary address string at all, so
we can't check against that...
Win95:
client-side dce/rpc code is a bit odd. it does a "WaitNamedPipeState"
and has slightly different pipe-naming (\PIPE\LANMAN is joined by
\PIPE\SRVSVC, \PIPE\WINREG etc whereas nt just has \PIPE\LANMAN
and \PIPE\).
Win95-USRMGR.EXE:
added LsaOpenPolicy (renamed existing to LsaOpenPolicy2).
added SamrConnect (renamed existing to SamrConnect2).
create_new_hashes didn't zero the buffer for the md4hash: nt_lm_owf_gen
did, because jeremy sorted this out a couple of days ago. call
nt_lm_owf_gen instead.
- call SMBOWFencrypt from SMBencrypt and SMBNTencrypt.
- added #ifdef DEBUG_PASSWORD debug password calls.
