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We now use a different system for initializing the modules for a subsystem.
Most subsystems now have an init function that looks something like this:
init_module_fn static_init[] = STATIC_AUTH_MODULES;
init_module_fn *shared_init = load_samba_modules(NULL, "auth");
run_init_functions(static_init);
run_init_functions(shared_init);
talloc_free(shared_init);
I hope to eliminate the other init functions later on (the
init_programname_subsystems; defines).
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
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.
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.
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)
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
- stream_socket services
the smb, ldap and rpc service which sets up a srtam socket end then
waits for connections
and
- task services
which this you can create a seperate task that do something
(this is also going through the process_model subsystem
so with -M standard a new process for this created
with -M thread a new thread ...
I'll add datagram services later when we whave support for datagram sockets in lib/socket/
see the next commit as an example for service_task's
metze
- tidied up some of the system includes
- moved a few more structures back from misc.idl to netlogon.idl and samr.idl now that pidl
knows about inter-IDL dependencies
The motivation for this change was to avoid having to convert to/from
ucs2 strings for so many operations. Doing that was slow, used many
static buffers, and was also incorrect as it didn't cope properly with
unicode codepoints above 65536 (which could not be represented
correctly as smb_ucs2_t chars)
The two core functions that allowed this change are next_codepoint()
and push_codepoint(). These functions allow you to correctly walk a
arbitrary multi-byte string a character at a time without converting
the whole string to ucs2.
While doing this cleanup I also fixed several ucs2 string handling
bugs. See the commit for details.
The following code (which counts the number of occuraces of 'c' in a
string) shows how to use the new interface:
size_t count_chars(const char *s, char c)
{
size_t count = 0;
while (*s) {
size_t size;
codepoint_t c2 = next_codepoint(s, &size);
if (c2 == c) count++;
s += size;
}
return count;
}
the idea is to have services as modules (smb, dcerpc, swat, ...)
the process_model don't know about the service it self anymore.
TODO:
- the smbsrv should use the smbsrv_send function
- the service subsystem init should be done like for other modules
- we need to have a generic socket subsystem, which handle stream, datagram,
and virtuell other sockets( e.g. for the ntvfs_ipc module to connect to the dcerpc server
, or for smb or dcerpc or whatever to connect to a server wide auth service)
- and other fixes...
NOTE: process model pthread seems to be broken( but also before this patch!)
metze
I plan to convert all objectfile group to use SMB_SUBSYSTEM
later I'll add a SMB_BINARY() and SMB_LIBRARY(), then there will be no more need
to touch Makefile.in, because all make rules will be autogenerated by configure
- convert the PROCESS_MODEL subsystem to this new scheme
and move the pthread test to smbd/process_model.m4
- convert the CHARSET subsystem to this new scheme
and move the iconv test to lib/iconv.m4
- added SMBD_LISTEN_BACKLOG in local.h
- added the beginnings of a ndr/rpc parsing framework for Samba4. It
currently correctly parses security descriptors for the nttrans
QUERY_SECDESC call, but I hope it will become a reasonable framework
that an idl based generator can work to
