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I have tested it by creating a 'holey' 20GB file - checking that
it shows up correctl in the NT file view (it does) and am busily
copying it to NULL: on the NT box. All good so far.... :-).
Also implemented NT 'delete on close' semantics.
Jeremy.
Got 'religion' about using size_t and ssize_t for read/write stuff
as part of the code to expose 64 bits to the client.
This checkin does all the 'easy' stuff - such as all the read/write/lock
calls - but now comes the harder parts (open & friends) and all the
file enquiry functions.....
Jeremy.
tactics :-). Protected by #ifdef until used.
Fixed bug in fd_attempt_close() where a pointer to potentially
free'd memory was returned. I hate that.
Added "blocking locks" as a per-share option for performance testing.
Changed is_mangled() so it will return true if called with a pathname
and any component of the pathname was mangled (it was already attempting
to do this, but not checking for a '/' as end-of-mangle).
This should be a better fix for the wierd stat cache bug Andrew identified.
Jeremy.
to oplock break message passing). I think that smbd/nmbd are now
inode and offset size independent (at least for 32 bit and 64 bit
systems).
Now to expose all this new functionality to NT clients.....
Jeremy.
to check for stat64 and friends, and then changes much of Samba
to use the data type SMB_OFF_T for file size information.
stat/fstat/lstat/lseek/ftruncate have now become sys_stat etc. to hide
the 64 bit calls if needed.
Note that this still does not expose 64 bit functionality to the
client, as the changes to the reply_xxx smb's are not yet done.
This code change should make these changes possible.
Still to do before full 64 bit-ness to the client:
fcntl lock code.
statfs code
widening of dev_t and ino_t (now possible due to SMB_DEV_T and SMB_OFF_T
types being in place).
Let me know if wierd things happen after this check-in and I'll
fix them :-).
Jeremy.
bit file interface for the NT SMB's.
Created a new define, SMB_STRUCT_STAT that currently is
defined to be struct stat - this wil change to a user
defined type containing 64 bit info when the correct
wrappers are written for 64 bit stat(), fstat() and lstat()
calls.
Also changed all sys_xxxx() calls that were previously just
wrappers to the same call prefixed by a dos_to_unix() call
into dos_xxxx() calls. This makes it explicit when a pathname
translation is being done, and when it is not.
Now, all sys_xxx() calls are meant to be wrappers to mask
OS differences, and not silently converting filenames on
the fly.
Jeremy.
include/smb.h: Moved old typedefs of uint8 etc. into include/includes.h where
all the other defines live (changed them from typedefs to
defines).
Other changes : changed from using uint32 to SMB_DEV_T and SMB_INO_T
in preparation for moving to size independed (ie. 64 bit clean) device
and inode access. Stat call wrapper comes next :-).
Jeremy.
the head of an SMB request (ie. are part of a chain) will not be queued -
this will be fixed when we move to the new chain code. In practice, this
doesn't seem to cause much of a problem (in my admittedly limited testing)
bug a debug level zero message will be placed in the log when this
happens to help determine how real the problem is.
smbd/locking.c: New debug messages.
smbd/blocking.c: New blocking code - handles SMBlock, SMBlockread and SMBlockingX
smbd/chgpasswd.c: Fix for master fd leak.
smbd/files.c: Tidyup comment.
smbd/nttrans.c: Added fnum to debug message.
smbd/process.c: Made chain_reply() use construct_reply_common(). Added blocking
lock queue processing into idle loop.
smbd/reply.c: Added queue pushes for SMBlock, SMBlockread and SMBlockingX.
Jeremy.
include/includes.h: Added nterr.h.
locking/locking.c: Moved blocking lock code into smbd/blocking.c for link purposes.
smbd/close.c: Added blocking lock removal to file close.
smbd/filename.c: Tidied up unix_convert() so I could read it (:-) in preparation
for the stat_cache code.
smbd/nttrans.c: Added WRITE_ATTRIBUTES check.
smbd/reply.c: Fixed multibyte char problem in wildcard mask.
Jeremy.
private to files.c)
It now is a doubly linked list with a bitmap for allocated file
numbers. Similarly for the fd_ptr code. I also changed the default
maximum number of open files to 4096. The static cost is 1 bit per
file.
It all seems to work, and it passes the "does Sue scream" test, but if
you see weird behaviour then please investigate. With the volume of
new code that has gone in there are bound to be one or two bugs
lurking.
note that you must do a "make clean" before building this as many data
structures have changed in size.
Connections[] is now a local array in server.c
I might have broken something with this change. In particular the
oplock code is suspect and some .dll files aren't being oplocked when
I expected them to be. I'll look at it after I've got some sleep.
locking/locking.c: First cut a blocking lock code. #ifdef'ed out for now.
locking/locking_shm.c: Removed dir_ptr. Not needed.
smbd/nttrans.c: More work on ChangeNotify - return is not an error and needs
to be handled as a nttrans with zero params. Removed dir_ptr. Not needed.
smbd/reply.c:
smbd/server.c:
smbd/trans2.c: Removed dir_ptr. Not needed.
Hmmm. At the moment smbclient is broken - doesn't issue prompt correctly.
This needs looking at.
Jeremy.
timestamps from several DEBUG messages. The timestamps are redundant now
that DEBUG() provides them automatically.
There are still a few more files to do, but I've got to get home for dinner.
Chris -)-----
loadparm.c: Added "ole locking compatibility" option (default "true").
locking.c: Changes to implement union in files_struct.
locking_shm.c: Changes to implement union in files_struct.
nttrans.c: Made opening a directory explicit (we have to).
Added create directory code for nttrans.
reply.c: Changes to implement union in files_struct.
server.c: Changes to implement union in files_struct. Added create directory code.
trans2.c: Changes to implement union in files_struct.
smb.h: Changes to implement union in files_struct.
util.c: Changed linked list code to UNIQX linked list. This will make
the other lists I need to implement for ChangeNotify and blocking
locks easier.
Jeremy.
reply.c: Do the same mask expansion we do in trans2.c - needed for Win98.
trans2.c: Make the mask expansion into a function call now we have to
do it twice.
Jeremy.
locking.c: Added code to deal with real open mode of file.
reply.c: Added strict sync parameter.
server.c: Added strict sync parameter. Fixed open modes.
Jeremy.
as the code in reply_lockingX wasn't taking account of
the difference between read and write locks ! How did this
ever work :-) !
reply.c:
server.c: Add lock type to is_locked() and do_lock().
util.c: Also added code from klausr@ITAP.Physik.Uni-Stuttgart.De
to fix problem with log files growing too large if an
smbd writes less than 100 debug messages.
Jeremy.
MAX_OPEN_DIRECTORIES for nttrans I forgot to update the code that
enumerates the array.
Created new MAX_FNUMS in local.h, changed all code that iterates
through the files_struct array to use this.
(sorry Richard).
Jeremy.
local.h: Changed MAXDIR to MAX_OPEN_DIRECTORIES - shmem size also tuned by this.
dir.c: Use MAX_OPEN_DIRECTORIES.
nttrans.c: Allow opening of a directory to succeed. Doesn't actually open
a file descriptor but takes a files_struct slot marked as an
fd.
reply.c: Changed to close any outstanding is_directory files.
reply_close changed to understand directory files.
server.c: Added open_directory(), close_directory() calls.
smb.h: Added is_directory to files_struct.
Changed OPEN_FNUM to check that target is !is_directory (this
prevents the normal file calls from processing a directory
files_struct.
Jeremy.
With apologies to Charlton Heston and Pierre Boule.
"You damn fools, you finally did it".
Changed default security mode to be security=user.
Yes this is a big (although small in code) change.
It's something we've been discussing for a while, to
finally wean people off the legacy security=share mode
which is *never* what you want.
Jeremy.
nmbd_incomingrequests.c: Bug fix for nmbd core dumps caused by overrun.
Found by <samuel@public.szonline.net>.
nttrans.c: More NT smb stuff.
reply.c: Unlink will overwrite an existing file. Well you learn
something new about POSIX every day. :-).
server.c: Tidyup unreadable code.
smbpasswd.c: Code to allow -U remote_username to allow ordinary
users to change remote passwords if their NT username
is different from their UNIX username.
Patch from <torbjorn.lindh@allgon.se>.
Jeremy.
reply.c: Broke out the internals of reply_mv so that they may be called
externally from the NT transact rename.
server.c: Changed stat calls to sys_stat - found in code review
of bugfix.
Jeremy.
smbumount.c: Added fixes to compile under Linux.
includes.h: Added SunOS 4.x QSORT_CAST fix.
reply.c: Fixed user name mapping function for security=server, security=domain.
Jeremy.
reply.c: map_username is now a BOOL function.
server.c: Added capability to do map_username on service names
when looking for a home directory. That's what the
original code would do.
lib/rpc/server/srv_util.c: Changed domain_ to builtin_ for
BUILTIN aliases.
username.c: Work in progress on groupname map parameter.
Jeremy
username case conversion wrapper. It is now (very) explicit where we are
mapping between an incoming Windows username, and when we are doing a
UNIX password entry lookup, which may change the case of the given
username.
This makes things *much* clearer (IMHO:-) and will ease the adding of
the 'groupname map' parameter, and the addition of the special 'jeremy'
mode for Samba where unix users will not be needed. (We must think of
a better name for it :-).
Jeremy.
reply.c: Fixed password length modifiers to always be done
is none-encrypted mode used. This fixes Samba for
people who are using non-encrypted passwords with
security=server.
Jeremy.
ldap.c: Stoped dummy_function being prototyped.
loadparm.c: Fixed slprintf sizes.
nisppass.c: Fixed safe_strcpy sizes.
nmbd_processlogon.c: Changed back to getsmb... from getsam...
nttrans.c: Just a dump of new code.
passdb.c: Moved stuff around a lot - stopped any lookups by rid. This
needs to be indirected through a function table (soon).
password.c: Changed back to getsmb... from getsam...
reply.c: Changed back to getsmb... from getsam...
slprintf.c: Fixed prototype problems.
smb.h: Fixed prototype problems.
smbpass.c: Changed to getsmbfile....
smbpasswd.c: Changed back to getsmb... from getsam...
lib/rpc/server/srv_netlog.c: Changed back to getsmb... from getsam...
lib/rpc/server/srv_samr.c: Fixed rid lookup - use uid or gid lookup.
lib/rpc/server/srv_util.c: Changed back to getsmb... from getsam...
Jeremy.
It removed all ocurrences of the following functions :
sprintf
strcpy
strcat
The replacements are slprintf, safe_strcpy and safe_strcat.
It should not be possible to use code in Samba that uses
sprintf, strcpy or strcat, only the safe_equivalents.
Once Andrew has fixed the slprintf implementation then
this code will be moved back to the 1.9.18 code stream.
Jeremy.
everywhere. I've implemented slprintf() as a bounds checked sprintf()
using mprotect() and a non-writeable page.
This should prevent any sprintf based security holes.
smbpasswd or ldap passwd, at compile-time (-DUSE_LDAP).
_none_ of the functions in ldap.c or smbpass.c should be called directly:
only those in passdb.c should be used.
-DUSE_LDAP is unlikely to compile at the moment.
Essentially, multiple session_setup_and_X's may be done
to an smbd. As there is only one global variable containing
the requested connection name (sessionsetup_user), then any
subsequent sessionsetups overwrite this name (causing %U
and %G to get the wrong name). This is particularly common
when an NT client does a null session setup to get a
browse list after the user has connected, but before
a share has been mounted.
These changes store the requested_name in the vuid structure
(so this only really works for user level and above security)
and copies this name back into the global variable before
the standard_sub call.
Jeremy.
WARNING - so far this has only been tested against a Samba PDC
(still waiting for IS to add me the machine accounts :-).
Still missing is the code in smbpasswd that will add a machine
account password and change it on the domain controller, but
this is not hard, and I will check it in soon.
Jeremy.
It is changing the global variables "myname" and "myworkgroup"
to "global_myname" and "global_myworkgroup" respectively.
This is to make it very explicit when we are messing
with a global (don't ask - it makes the domain client
code much clearer :-).
Jeremy.
password.c: Started the initial code for domain_client_validate(). All
bracketed with #ifdef DOMAIN_CLIENT for now.
reply.c: Call to domain_client_validate(). All
bracketed with #ifdef DOMAIN_CLIENT for now.
smbpass.c: New code to get/set machine passwords. Tidied up nesting
of lock calls.
Jeremy.
loadparm.c: Started add of 'security=domain' code.
password.c: Fix for security=server NT bugs.
reply.c: Started add of 'security=domain' code.
server.c: Started add of 'security=domain' code.
smb.h: Started add of 'security=domain' code.
Jeremy.
internals after Andrews' code had memset it to zero (this was causing core
dumps).
charcnv.c: Fixes for ISO8859-2 from Petr Hubeny <psh@capitol.cz>.
Jeremy.
get_smbpwd_entry (now an internal function to smbpass.c)
to a more UNIX-like :
getsmbpwnam() - get entry by name.
getsmbpwuid() - get entry by uid.
Changed the type returned by the smbpasswd enumeration
functions to be a void * so that people don't come to
depend on it being a FILE *.
These abstractions should make it much easier to
replace the smbpasswd file with a better backend
in future.
Other files changed are to match the above changes.
Jeremy.
proto.h: The unusual. ;)
reply.c: I changes some function names, and updated reply.c to match.
See mangle.c below for more.
server.c: Changed function names and parameters in file mangle.c, so
changed server.c calls to match. See mangle.c below for more.
mangle.c:
I replaced the caching mechanism used for caching reverse mangled name
maps. The old method was a large array of 256-byte strings. Movement
in the stack (including push and pop) was done by memcpy()ing whole
chunks of memory around.
The new system uses the ubi_Cache module which, in turn, uses a splay
tree. Entries are dynamically allocated using a minimum amount of
memory. Searches are non-linear, which should speed things up a bit,
too. Overall, this should save memory and be faster.
Other changes: I streamlined the is_mangled() test and made other
speed enhancements including replacing some static functions with
macros. Added comments, etc.
Note: Per an E'mail conversation with Andrew, the 'mangled stack'
parameter in smb.conf doesn't do anything anymore. The cache is
now set for 16K bytes maximum memory usage. The mangle stack
parameter is silently ignored. This can easily be changed, but
I'd rather introduce a 'mangled cache memory' parameter and
remove 'mangled stack'.
Remaining problems:
While testing the module, I noticed that something is calling
name_map_mangle() twice. The result is that names which contain
illegal characters are getting mangled twice.
Also, the entire module works by overwriting the input string.
This has a variety of nasty side effects.
Summary:
There's a lot still to be done, but the changes I have in place *should*
work in exactly the same way (except for the mangle stack parameter).
The rest of the bugs and other issues are separate.
Chris -)-----
I needed the client_name() and client_addr() functions in swat so I
could tell who was connecting from where. The problem was that these
functions didn't take a file descriptor parameter they just used
the global "Client".
So I needed to change all calls to pass a parameter ... lots of files.
"name resolve order" parameter.
source/Makefile: Re-ordered link for name resolve order code.
source/clientgen.c:
source/clientutil.c: Added calls to resolve_name().
source/includes.h: Added HPUX zombie fix.
source/loadparm.c: Added new name resolve order parameter.
source/namequery.c: Re-wrote to include parsing of lmhosts file, new resolve_name()
function requested by John.
source/nmbd.c: Tell resolve_name not to do WINS lookups if we are the WINS server.
source/nmbd_lmhosts.c: Call lmhosts parsing functions in namequery.c
source/password.c: Call resolve_name() to lookup security=server name.
source/reply.c:
source/time.c:
source/trans2.c: "fake directory create times" fix from Jim Hague - hague@research.canon.com.au.
source/util.c: Removed isalnum() test in Get_Hostname() that seems to cause
problems on many systems.
Jeremy.
