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(This used to be commit 87c91e4362c51819032bfbebbb273c52e203b227)
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Jeremy.
(This used to be commit 407e6e695b8366369b7c76af1ff76869b45347b3)
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and fix all compiler warnings in the users
metze
(This used to be commit 3a28443079c141a6ce8182c65b56ca210e34f37f)
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to avoid creating the TDB_DATA struct from strings "by hand"
note: we can't use the tdb_*_bystring functions here, as the key isn't
null-terminated here...
metze
(This used to be commit 29b42ea89cbdd9f2c12fa448b116c49669467faf)
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more no previous prototype warnings
(This used to be commit 41be182f78762372ae13759ede5d2bd40a71d7f5)
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(This used to be commit a660993d140b860691c3ed0b71d3e8023e5a7c57)
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(This used to be commit ed4dc405127cefd1c222e1bdd63fcaaae8e83f13)
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(This used to be commit ce44158dde64cb65a3f51dfe1734f3c3d7f1bfd9)
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(This used to be commit be9aaffdaccae06c8c035eaf31862e34b7cfbe38)
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Jeremy.
(This used to be commit 590b58cb507e5a6e459ff0c975beb9056336f233)
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Jeremy.
(This used to be commit 7580eb947cdeb786be00efa5da727e32b28c99d6)
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1177
In reg_perfcount.c: 1200 1202 1203 1204
In regfio.c: 1243 1245 1246 1247 1251
Jerry, the reg_perfcount and regfio.c ones, can you take a look please? This
is really your code, and I'm not sure I did the right thing to return an
error.
smbcacls.c: 1377
srv_eventlog_nt.c: 1415 1416 1417
srv_lsa_nt.c: 1420 1421
srv_netlog_nt.c: 1429
srv_samr_nt: 1458 1459 1460
Volker
Volker
(This used to be commit d6547d12b1c9f9454876665a5bdb010f46b9f5ff)
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Volker
(This used to be commit d52002c1c9d28e637ca4d1553e800b0b97790f36)
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If we use free(data.dptr) and then the subsequent tdb_open
fails in _reg_perfcount_get_counter_data() then data.dptr
is left as a non-zero pointer that has been freed. This would
cause it to be reused later on. Coverity bug #162.
Jeremy.
(This used to be commit 053efc20981e0280c6af0ebb9e17cea07da85fe8)
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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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(This used to be commit 59c00924b67aa3d37a933731a56d03963ec7f1b5)
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x86_64 box.
Jeremy.
(This used to be commit d720867a788c735e56d53d63265255830ec21208)
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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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