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This adds the two functions talloc_stackframe() and talloc_tos().
* When a new talloc stackframe is allocated with talloc_stackframe(), then
* the TALLOC_CTX returned with talloc_tos() is reset to that new
* frame. Whenever that stack frame is TALLOC_FREE()'ed, then the reverse
* happens: The previous talloc_tos() is restored.
*
* This API is designed to be robust in the sense that if someone forgets to
* TALLOC_FREE() a stackframe, then the next outer one correctly cleans up and
* resets the talloc_tos().
The original motivation for this patch was to get rid of the
sid_string_static & friends buffers. Explicitly passing talloc context
everywhere clutters code too much for my taste, so an implicit
talloc_tos() is introduced here. Many of these static buffers are
replaced by a single static pointer.
The intended use would thus be that low-level functions can rather
freely push stuff to talloc_tos, the upper layers clean up by freeing
the stackframe. The more of these stackframes are used and correctly
freed the more exact the memory cleanup happens.
This patch removes the main_loop_talloc_ctx, tmp_talloc_ctx and
lp_talloc_ctx (did I forget any?)
So, never do a
tmp_ctx = talloc_init("foo");
anymore, instead, use
tmp_ctx = talloc_stackframe()
:-)
Volker
(This used to be commit 6585ea2cb7f417e14540495b9c7380fe9c8c717b)
This is in preparation of the trans2 conversion: srvstr_push should not
look at inbuf directly.
(This used to be commit 5fd7e6a3821bea26d352e3edc23b7a216b1200e5)
doing this because for the clustering the marshalling is needed in more
than one place, so I wanted a decent routine to marshall a message_rec
struct which was not there before.
Tridge, this seems about the same speed as it used to be before, the
librpc/ndr overhead in my tests was under the noise.
Volker
(This used to be commit eaefd00563173dfabb7716c5695ac0a2f7139bb6)
and connections_forall. This centralizes all the routines that did individual
tdb_open("connections.tdb") and direct tdb_traverse.
Volker
(This used to be commit e43e94cda1ad8876b3cb5d1129080b57fa6ec214)
to all callers of smb_setlen (via set_message()
calls). This will allow the server to reflect back
the correct encryption context.
Jeremy.
(This used to be commit 2d80a96120a5fe2fe726f00746d36d85044c4bdb)
restrictive about strings being NULL. If an info level
doesn't use a subformat the subformat string may be
missing (null). Add debug statements to help track
this.
Jeremy
(This used to be commit 70875f92a22985539dc41e26a084218a45e1a13f)
call patch. Jerry, this works now for displaying
shares on Win9x (and hopefully everything else
as well :-).
Jeremy.
(This used to be commit 728a4cc71376f9cfff2578d21a47602f8b7c6531)
easier to review! Damn close to what I had in my tree, just the fn names were
slightly different.
This removes one unnecessary dupe.
Next thing is to get rid of the parameter "n" of skip_string, there is only
one (!) caller that does not pass in 1....
Volker
(This used to be commit 2878c1e93a8d71288fa3144cff57bce66c592e22)
* autogenerate lsa ndr code
* rename 'enum SID_NAME_USE' to 'enum lsa_SidType'
* merge a log more security descriptor functions from
gen_ndr/ndr_security.c in SAMBA_4_0
The most embarassing thing is the "#define strlen_m strlen"
We need a real implementation in SAMBA_3_0 which I'll work on
after this code is in.
(This used to be commit 3da9f80c28b1e75ef6d46d38fbb81ade6b9fa951)
to do the upper layer directories but this is what
everyone is waiting for....
Jeremy.
(This used to be commit 9dafb7f48ca3e7af956b0a7d1720c2546fc4cfb8)
Make 2 important changes. pdb_get_methods()
returning NULL is a *fatal* error. Don't try
and cope with it just call smb_panic. This
removes a *lot* of pointless "if (!pdb)" handling
code. Secondly, ensure that if samu_init()
fails we *always* back out of a function. That
way we are never in a situation where the pdb_XXX()
functions need to start with a "if (sampass)"
test - this was just bad design, not defensive
programming.
Jeremy.
(This used to be commit a0d368197d6ae6777b7c2c3c6e970ab8ae7ca2ae)
realloc can return NULL in one of two cases - (1) the realloc failed,
(2) realloc succeeded but the new size requested was zero, in which
case this is identical to a free() call.
The error paths dealing with these two cases should be different,
but mostly weren't. Secondly the standard idiom for dealing with
realloc when you know the new size is non-zero is the following :
tmp = realloc(p, size);
if (!tmp) {
SAFE_FREE(p);
return error;
} else {
p = tmp;
}
However, there were *many* *many* places in Samba where we were
using the old (broken) idiom of :
p = realloc(p, size)
if (!p) {
return error;
}
which will leak the memory pointed to by p on realloc fail.
This commit (hopefully) fixes all these cases by moving to
a standard idiom of :
p = SMB_REALLOC(p, size)
if (!p) {
return error;
}
Where if the realloc returns null due to the realloc failing
or size == 0 we *guarentee* that the storage pointed to by p
has been freed. This allows me to remove a lot of code that
was dealing with the standard (more verbose) method that required
a tmp pointer. This is almost always what you want. When a
realloc fails you never usually want the old memory, you
want to free it and get into your error processing asap.
For the 11 remaining cases where we really do need to keep the
old pointer I have invented the new macro SMB_REALLOC_KEEP_OLD_ON_ERROR,
which can be used as follows :
tmp = SMB_REALLOC_KEEP_OLD_ON_ERROR(p, size);
if (!tmp) {
SAFE_FREE(p);
return error;
} else {
p = tmp;
}
SMB_REALLOC_KEEP_OLD_ON_ERROR guarentees never to free the
pointer p, even on size == 0 or realloc fail. All this is
done by a hidden extra argument to Realloc(), BOOL free_old_on_error
which is set appropriately by the SMB_REALLOC and SMB_REALLOC_KEEP_OLD_ON_ERROR
macros (and their array counterparts).
It remains to be seen what this will do to our Coverity bug count :-).
Jeremy.
(This used to be commit 1d710d06a214f3f1740e80e0bffd6aab44aac2b0)
to make full use of the new talloc() interface. Discussed with Volker
and Jeremy.
* remove the internal mem_ctx and simply use the talloc()
structure as the context.
* replace the internal free_fn() with a talloc_destructor() function
* remove the unnecessary private nested structure
* rename SAM_ACCOUNT to 'struct samu' to indicate the current an
upcoming changes. Groups will most likely be replaced with a
'struct samg' in the future.
Note that there are now passbd API changes. And for the most
part, the wrapper functions remain the same.
While this code has been tested on tdb and ldap based Samba PDC's
as well as Samba member servers, there are probably still
some bugs. The code also needs more testing under valgrind to
ensure it's not leaking memory.
But it's a start......
(This used to be commit 19b7593972480540283c5bf02c02e5ecd8d2c3f0)
of the Samba4 timezone handling code back into Samba3.
Gets rid of "kludge-gmt" and removes the effectiveness
of the parameter "time offset" (I can add this back
in very easily if needed) - it's no longer being
looked at. I'm hoping this will fix the problems people
have been having with DST transitions. I'll start comprehensive
testing tomorrow, but for now all modifications are done.
Splits time get/set functions into srv_XXX and cli_XXX
as they need to look at different timezone offsets.
Get rid of much of the "efficiency" cruft that was
added to Samba back in the day when the C library
timezone handling functions were slow.
Jeremy.
(This used to be commit 414303bc0272f207046b471a0364fa296b67c1f8)
This allows the ldap-backend to search much more effeciently. Machines
will be searched in the ldap_machine_suffix and users in the
ldap_users_suffix. (Note that we already use the ldap_group_suffix in
ldapsam_setsamgrent for quite some time).
Using the specific ldap-bases becomes notably important in large
domains: On my testmachine "net rpc trustdom list" has to search through
40k accounts just to list 3 interdomain-trust-accounts, similiar effects
show up the non-user query_dispinfo-calls, etc.
Also renamed all_machines to only_machines in load_sampwd_entries()
since that reflects better what is really meant.
Guenther
(This used to be commit 6394257cc721ca739bda0e320375f04506913533)
functions so we can funnel through some well known functions. Should help greatly with
malloc checking.
HEAD patch to follow.
Jeremy.
(This used to be commit 620f2e608f70ba92f032720c031283d295c5c06a)
necessary.
I'm using gcc 3.4.1, this does not detect the possibly uninitialized
variable. Does anybody know how to get 3.4.1 to warn me?
Volker
(This used to be commit 8b6f8f93a0f30be0184e6044a499c1ef8f7b247e)
