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Unpack functions currently take an attribute list to restrict the set of
attributes to be returned in the constructed message. This
functionality is never used and complicates implementation of
forthcoming new pack format. This patch removes that functionality.
Using the unpack function then filtering the result turns
out not to be any slower.
NOTE: Configure with --abi-check-disable to build this commit. This
patch is part of a set of LDB ABI changes, and the version update is
done on the last commit.
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This patch moves ldb_kv's filter code into the pack code to replace
'only attr list' functionality which will be removed in forthcoming
commit. Unpacking data then filtering the result is not any slower
than the removed 'only attr list' approach.
'only attr list' test repurposed to test unpack -> filter flow.
NOTE: Configure with --abi-check-disable to build this commit. This
patch is part of a set of LDB ABI changes, and the version update is
done on the last commit.
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Performance test for pack function and unpack function run with flag
LDB_UNPACK_DATA_FLAG_NO_DATA_ALLOC. Run this test before and after
forthcoming pack format changes to test throughput improvement. On my
machine, the unpack improvement is around 50%.
The test doesn't really belong in LDB torture but it's the only place
where all the required functions are available.
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Making unpack flag LDB_UNPACK_DATA_FLAG_NO_DATA_ALLOC required
behaviour, since allocating data during unpack is slow and unnecessary
in all current usages. In any future unpack usage, if editing of
returned memory is required, some function that duplicates the message
should be used, such as one of the filter_attrs functions, or msg_copy.
Signed-off-by: Aaron Haslett <aaronhaslett@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13685
Signed-off-by: Isaac Boukris <iboukris@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(master): Tue May 14 11:45:13 UTC 2019 on sn-devel-184
Fix use after free detected by AddressSanitizer
AddressSanitizer: heap-use-after-free on address 0x60f0002b2738
at pc 0x7f89b1a213b5 bp 0x7ffce9528810 sp 0x7ffce9528800
READ of size 8 at 0x60f0002b2738 thread T0
#0 0x7f89b1a213b4 in samldb_rename_search_base_callback
../../source4/dsdb/samdb/ldb_modules/samldb.c:4203
#1 0x7f89d3a0db4a in ldb_module_send_entry
../../lib/ldb/common/ldb_modules.c:793
#2 0x7f89b6f27356 in es_callback
../../source4/dsdb/samdb/ldb_modules/encrypted_secrets.c:1418
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13942
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Ensure that the tevent_context is deleted after the connection, to
prevent a use after free.
Note: Py_DECREF calls dcerpc_interface_dealloc so the
TALLOC_FREE(ret->mem_ctx) calls in the error paths of
py_dcerpc_interface_init_helper needed removal.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13932
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
While running samba python tests with `coverage.py`, `make test` failed
to start ad_dc env since dns_update_cache stays empty.
Flush the file after write fix the issue.
Signed-off-by: Joe Guo <joeg@catalyst.net.nz>
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
When filtering out multiple elements, we end up memmove()ing the same
elements many times over. It is simpler to not do that by keeping track
of how many elements we are keeping.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The bare memmove is not strictly safe at the end of the list.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
ldb_msg_new() is currently the same as talloc_zero(), but it might
not always be.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This should silence CID 1418508 and CID 1418512
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Thu May 9 23:54:35 UTC 2019 on sn-devel-184
We sort NULL values to the end of the list. What happens to the after
that is another question.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
The silent failure might leave an indeterminate or zero address.
CID: 1272838
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
This should be hard to trigger, but goto fail is always nicer than sig 11.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
The local address string was not owned by it's parent structure, which
caused a use after free error in
continue_ip_open_socket source4/librpc/rpc/dcerpc_sock.c:267
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13929
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Wed May 8 20:03:42 UTC 2019 on sn-devel-184
The 'role' is set to null, we should first set it to the correct value
before printing anything.
Found by GCC 9.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
There are a few oddities in this function, including a duplicated NULL
check, a talloc_free of a context which is passed in and a number of
missing frees before a return.
Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Autobuild-User(master): Gary Lockyer <gary@samba.org>
Autobuild-Date(master): Wed May 8 00:36:14 UTC 2019 on sn-devel-184
Add duration debug logging to the samba bind9 dlz driver and the
dnsserver_common routines. This should aid future diagnosis of
performance issues, and could be used to monitor DNS performance.
The logs are currently Human readable text only, i.e. no JSON formatted
output.
Log lines are of the form:
<function>: DNS timing: result: [<result>] \
duration: (<duration>) zone: [<zone>] name: [<name>] \
data: [<data>]
e.g.
dns_common_wildcard_lookup: DNS timing: result: [WERR_OK] \
duration: (111) zone: [] \
name: [DC=_ldap._tcp.Default-First-Site-Name._sites.ForestDnsZones,\
DC=chgdcpassword.samba.example.com,CN=MicrosoftDNS,DC=DomainDnsZones,\
DC=chgdcpassword,DC=samba,DC=example,DC=com] data: []
Enabled by setting log level to "dns:10"
durations are in microseconds.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue May 7 05:03:26 UTC 2019 on sn-devel-184
Disable Address Sanitizer leak checking for the heimdal asn1 compiler, this
allows a samba build with Address Sanitizer enabled.
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
