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(This used to be commit f6194cf4b263454bbdf180a7d014ffc3498df497)
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to do the upper layer directories but this is what
everyone is waiting for....
Jeremy.
(This used to be commit 9dafb7f48ca3e7af956b0a7d1720c2546fc4cfb8)
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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)
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Sync with trunk as off r13315
(This used to be commit 17e63ac4ed8325c0d44fe62b2442449f3298559f)
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Finally cleanup the way idmap modules are build and loaded, idmap_rid
now will have to be loaded without prefix, just "rid".
Guenther
(This used to be commit a77e02177dcefaaccf863aa8d237ea35a2ec52d1)
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* \PIPE\unixinfo
* winbindd's {group,alias}membership new functions
* winbindd's lookupsids() functionality
* swat (trunk changes to be reverted as per discussion with Deryck)
(This used to be commit 939c3cb5d78e3a2236209b296aa8aba8bdce32d3)
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Allow to include BUILTIN to the mapping table also when
"allow trusted domains" is disabled.
Guenther
(This used to be commit 3ccb1913a771a187ee61a87869966beb7645f2f9)
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* add synonym for idmap_rid in better lining with
other idmap backend names
* remove old debug messages when idmap {uid|gid} options
are not defined
(This used to be commit 03ebf3ebfe83897d8c18e57ed378154d1377874b)
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--enable-developer=yes?
Volker
(This used to be commit 61d40ac60dd9c8c9bbcf92e4fc57fe1d706bc721)
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(This used to be commit 6fad82d3d536fe2f7184377137d062710b40b4f2)
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(This used to be commit cadd5a44e7f1d532aa4dad7a4233e5ea2c814a10)
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(This used to be commit 3eeecff05efec9310cf2bed7c6fe9a6d80dd6d0d)
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(This used to be commit dd55ef25d1b24401a743d0367544e535cd17815c)
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compiled with -DIDMAP_RID_SUPPORT_TRUSTED_DOMAINS) as requested by Lars
Mueller <lmuelle-at-suse.de>.
Allow to map ID's for a local SAM and add some more
debugging-information.
Guenther
(This used to be commit 4d8e7c9ff00417b2ebae0c5faccfe9c2c9c44f2e)
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allow BUILTIN domain-mapping.
Guenther
(This used to be commit e3b067ee99e304aa9e165dae5fcb0546cec711e2)
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(only ever shows up when the somewhat hidden
IDMAP_RID_SUPPORT_TRUSTED_DOMAINS - define is set).
Thanks to Stephan Martin <sm@suse.de> for reporting this bug.
Guenther
(This used to be commit e7b81d679b487734e12a948f30f0ad88240f17f1)
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when trusted domains are disabled anyway.
Guenther
(This used to be commit cd30a0b14adf1e58c19bcbfec385a5794d4ca112)
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throw-up.
(This used to be commit 3d8e19468b8dda3bc84f0bc9174944c8275ed024)
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Guenther
(This used to be commit c9a7bc10b7aa5e1cb7d37ba9b1a8ddb9b0b2dd5e)
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- fix several memleaks found by valgrind
- turn off support for trusted domains (can be reenabled with
#define IDMAP_RID_SUPPORT_TRUSTED_DOMAINS 1)
- improve readability
Guenther
(This used to be commit 351a1227e80db5d87b71e17cd1443c11ea6ace4e)
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Written by Sumit Bose <sbose@suse.de> and myself a while ago.
idmap_rid does a direct, static mapping between RIDs and UIDs/GIDs using
the idmap-range as offset. It does thus allow to have a unified mapping
over several winbindd-systems without having the need of a central
LDAP-Server (and all related dependencies and problems this solution can
bring).
Compile:
./configure --with-shared-modules=idmap_rid
Usage:
idmap backend = idmap_rid
idmp_rid does even allow you to have multiple mappings (for trusted
domains). This is a rather problemtic feature and will be turned off by
default rather soon. The problem is that ranges can quickly overlap when
not measured with caution.
idmap backend = idmap_rid:"MYDOMAIN=1000-9999 OTHER=10000-19999"
Will valgrind idmap_rid later today and fix a couple of things.
Guenther
(This used to be commit 49a238bd37105bf1a33d4a230ca594c4cf304dd3)
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