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This is the start of a WINS-Replicaton server:
The design is to handle incoming and outgoing connections,
in one process, because it make thing much easier, and there's
no need to it otherwise.
The current code only parses incoming packets, and can reply
to them, but currently only a standard error packets STOP_ASSOCIATON
with reason == 4 (I think it means your are not configured as a wins partner of me)
(the server service is called "wrepl")
metze
good, as it is probably a resource constraint, so if we just try again
we will spin (as the incoming socket will still be readable). Using a
sleep(1) solves this by throtting smbd until the resource constraint
goes away.
if the resource constraint doesn't go away, then at least smbd won't
be spinning chewing cpu
There is now a new --debug-stderr option to enable debug to STDERR.
popt isn't perfect, but the callbacks are used in all the main Samba
binaries, and should be used in the rest. This avoids duplicated
code, and ensures every binary is setup correctly.
This also ensures the setup happens early enough to have -s function,
and have a correct impact on the credentials code. (Fixing a bug that
frustrated tridge earlier today).
The only 'subtle' aspect of all this is that I'm pretty sure that the
SAMBA_COMMON popt code must be above the CREDENTIALS code, in the
popt tables.
Andrew Bartlett
- if you want kerberos now, you need to unpack a lorikeet heimdal
tree in source/heimdal/. If source/heimdal/ does not exist at
configure time then all kerberos features are disabled. You cannot
use an external kerberos library for now. That may change later.
- moved lib/replace/ config stuff to lib/replace/ and create a
lib/replace/replace.h. That allows the heimdal build to use our
portability layer, and prevenets duplicate definitions of functions
like strlcat()
- if you do enable heimdal, then you will need to do 'make
HEIMDAL_EXTERNAL' before you build Samba. That should be fixed once
I explain the problem to jelmer (the problem is the inability to
set a depend without also dragging in the object list of the
dependency. We need this for building the heimdal asn1 compiler and
et compiler.
- disabled all of the m4 checks for external kerberos libraries. I
left them in place in auth/kerberos/, but disabled it in
configure.in
some of the heimdal_build/ code is still very rough, for example I
don't correctly detect the correct awk, flex, bison replacements for
heimdal_build/build_external.sh. I expect to fix that stuff up over
the next few days.
management system I proposed on samba-technical a couple of days
ago. Essentially it is a very lightweight way for any code in Samba to
make IDL based rpc calls to anywhere else in the code, without the
client or server having to go to the trouble of setting up a full rpc
service.
It can be used with any of our existing IDL, but I expect it will
mostly be used for a new set of Samba specific management calls.
The LOCAL-IRPC torture test demonstrates how it can be used by calling
the echo_AddOne() call over this transport.
This includes an embedded server side scripting system called 'esp'
(see http://www.appwebserver.org/products/esp/esp.html) and javascript
based scripting language called 'esj' (see
http://www.appwebserver.org/products/ejs/ejs.html)
The justification for including this scripting language is that it
should make it much easier to write a high quality web interface for
Samba4. The scripting language can call into any Samba4 library code
(so for example it will be able to make ldb and loadparm calls), plus
it provides easy support for forms, cookies, sessions etc.
There is still quite a bit more work to do on the web server, but
there is enough here now for people to look at and comment. I will be
committing some sample web pages that test esp functionality shortly.
2. Also, don't try to delete directories.
I am not entirely happy with this patch, and the fact that there is a
define for HAVE_SYS_STAT_H suggests that there are some systems for which
stat will not be defined, which means that the patch is not entirely
portable.
- if we have no configured network interfaces, then don't start nbtd (when I add dynamic
interface loading this will change to a delay until a network interface comes up)
- choose the best interface by netmask for torture tests that need a
specific IP (such as the WINS test). Added iface_best_ip() for that.
- if specific interfaces are chosen in smb.conf, then keep that ordering, and
default to the first one listed
decide to reinstate the mutex code for the threads process model, I'd
like to do it a little differently. At least this gets it out of
includes.h for now.
less likely that anyone will use pstring for new code
- got rid of winbind_client.h from includes.h. This one triggered a
huge change, as winbind_client.h was including system/filesys.h and
defining the old uint32 and uint16 types, as well as its own
pstring and fstring.
- removed the u32 hack in events.c as I think this was only needed as
tdb.h defines u32. Metze, can you check that this hack is indeed no
longer needed on your suse system?
make it possible to add optimisations to the events code such as
keeping the next timed event in a sorted list, and using epoll for
file descriptor events.
I also removed the loop events code, as it wasn't being used anywhere,
and changed timed events to always be one-shot (as adding a new timed
event in the event handler is so easy to do if needed)
the packets it receives, but it at least shows how the server
structure will work.
To implement it I extended the libcli/nbt/ library to allow for an
incoming packet handler to be registered. That allows the nbt client
library to be used for low level processing of the nbtd server packets.
Other changes:
- made the socket library always set SO_REUSEADDR when binding to an
interface, to ensure that restarts of a server don't have to wait
for a couple of minutes.
- made the nbt port configurable. Defaults to 137, but other ports
will be useful for testing.
themselves are run as a single process, but run as a child of the
main process when smbd is run in the standard model, and run as part
of the main process when in the single mode.
- rewrote the winbind template code to use the new task services. Also
fixed the packet queueing
- got rid of event_context_merge() as it is no longer needed
servers in smbd. The old code still contained a fairly bit of legacy
from the time when smbd was only handling SMB connection. The new code
gets rid of all of the smb_server specific code in smbd/, and creates
a much simpler infrastructures for new server code.
Major changes include:
- simplified the process model code a lot.
- got rid of the top level server and service structures
completely. The top level context is now the event_context. This
got rid of service.h and server.h completely (they were the most
confusing parts of the old code)
- added service_stream.[ch] for the helper functions that are
specific to stream type services (services that handle streams, and
use a logically separate process per connection)
- got rid of the builtin idle_handler code in the service logic, as
none of the servers were using it, and it can easily be handled by
a server in future by adding its own timed_event to the event
context.
- fixed some major memory leaks in the rpc server code.
- added registration of servers, rather than hard coding our list of
possible servers. This allows for servers as modules in the future.
- temporarily disabled the winbind code until I add the helper
functions for that type of server
- added error checking on service startup. If a configured server
fails to startup then smbd doesn't startup.
- cleaned up the command line handling in smbd, removing unused options
