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When winbindd forwards wbinfo -a via netrLogonSamLogon* to a remote
DC work fine for upn names, e.g. administrator@DOMAIN.
But it currently fails locally on a DC against the local sam.
For the RODC only work because it forwards the request to
an RWDC.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=13879
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15003
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
(cherry picked from commit e1d2c59d36)
This change disables the prompt for the change of an expired password by
default (using the PAM_RADIO_TYPE mechanism if present).
BUG: https://bugzilla.samba.org/show_bug.cgi?id=8691
Guenther
Signed-off-by: Guenther Deschner <gd@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Thu Dec 16 03:05:30 UTC 2021 on sn-devel-184
Over the last month I got more and more reports,
that it's not possible to use a custom Samba version
on systems with sssd being installed, which depends on some
specific samba libraries installed in the system.
One major problem is that the custom libnss_winbind.so.2
depends on the libreplace-samba4.so of the custom build
and also injects an RPATH into the running process.
When sssd uses any nss library call it will get this,
when it then tries to load some of its plugins via dlopen(),
e.g.
ldd /usr/lib64/sssd/libsss_ad.so| grep samba
libsamba-util.so.0 => /lib64/libsamba-util.so.0
libreplace-samba4.so => /usr/lib64/samba/libreplace-samba4.so
libsamba-security-samba4.so => /usr/lib64/samba/libsamba-security-samba4.so
libsamba-errors.so.1 => /lib64/libsamba-errors.so.1
libsamba-debug-samba4.so => /usr/lib64/samba/libsamba-debug-samba4.so
libgenrand-samba4.so => /usr/lib64/samba/libgenrand-samba4.so
libsocket-blocking-samba4.so => /usr/lib64/samba/libsocket-blocking-samba4.so
libtime-basic-samba4.so => /usr/lib64/samba/libtime-basic-samba4.so
libsys-rw-samba4.so => /usr/lib64/samba/libsys-rw-samba4.so
libiov-buf-samba4.so => /usr/lib64/samba/libiov-buf-samba4.so
When that loads dlopen() will fail as a soname libreplace-samba4.so is
already loaded, but the symbol version within the other one don't match, as the
contain the exact version, e.g. replace_dummy@@SAMBA_4.13.3.
This is just an example and similar things can happen in all situations
where we provide libraries, which are potentially injected into every
process of the running system. These should only depend on libc.so and
related basic system libraries in order to avoid the problem.
We have the following libraries, which are in the that category:
- libnss_winbind.so.2
- libnss_wins.so.2
- pam_winbind.so
- winbind_krb5_locator.so
- async_dns_krb5_locator.so
The rules of library loading are really complex and symbol versioning
is not enough to solve it, only the combination of unique soname and
unique symbol version suffix seem to solve the problem, but injecting
an RPATH is still a problem.
In order to solve the problem I experimented with adding SAMBA_SUBSYSTEM()
definitions with 'hide_symbols=True' in order to do some static linking
of selected components, e.g.
bld.SAMBA_SUBSYSTEM('replace-hidden',
source=REPLACE_SOURCE,
group='base_libraries',
hide_symbols=True,
deps='dl attr' + extra_libs)
It's relatively simple to get to the point where the following are
completely static:
- libnss_winbind.so.2
- libnss_wins.so.2
- pam_winbind.so
- winbind_krb5_locator.so
But 'async_dns_krb5_locator.so' links in almost everything!
It seems we install the krb5 plugins into our own $MODULESDIR/krb5/,
so it may not be so critical, as long it's the admin who created
the desired symlinks into the location the kerberos libraries search
for plugins. Note the at least the locator plugins are always loaded
without any configuration, every .so in a special path are loaded with dlopen().
This is done by every application using kerberos, so we load a lot of samba libraries
into them.
Packagers should not put async_dns_krb5_locator.so (nor a symlink) into
the path that's reachable by libkrb5.so.
As a longterm solution we may want to change async_dns_krb5_locator.so
to use a helper process with posix_spawn() instead of doing everything
within the process.
Note I added hiden_symbols=True to the nss modules for Linux and
FreeBSD only, because these are the only platforms I'm able to test
on. We most likely should do the same on other platforms, but some
with access to the platform should provide a tested patch.
In order to avoid manual definitions of SAMBA_SUBSYSTEMS() with
'-hidden', I added the 'provide_builtin_linking=True' option,
as the logic is very similar to what we already have with the
'--builtin-libraries=BUILTIN_LIBRARIES' configure option.
SAMBA_PLUGIN() is used in order to use SAMBA_LIBRARY() in order
to make it more strict that these plugins can't be used as
normal depedency by other subsystems and libraries.
While being there it was easy enough to make libwbclient.so
also standalone without dependecies to other samba libraries.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Some private functions from wbclient_internal.h already
leaked into the ABI. With hide_symbols=True we make sure
this doesn't happen again.
Having wbcRequestResponse[Priv]() as part of the ABI helps us
in order to hide winbindd_[priv_]request_response() soon.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
This is the only symbol which is used via dlopen()/dlsym() and
needs to be exported, in future we'll do hide all other symbols.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The symbols which are used via dlopen()/dlsym() need to be exported,
in future we'll do hide all other symbols.
On other platforms, which are implemented as wrappers above the
Linux implementation, we mark the symbols as _PRIVATE_
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The symbols which are used via dlopen()/dlsym() need to be exported,
in future we'll do hide all other symbols.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
The symbols which are used via dlopen()/dlsym() need to be exported,
in future we'll do hide all other symbols.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
We should try to route everything through libwbclient.so, because we'll
soon don't have a single library providing winbindd_request_response().
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
nsswitch/wb_common.c will be made completely internal soon.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
../../nsswitch/libwbclient/wbc_sid.c:83:5: error: assuming signed overflow does not occur when simplifying conditional [-Werror=strict-overflow]
if (len+1 > sizeof(buf)) {
^
Even this would fail:
../../nsswitch/libwbclient/wbc_sid.c:83:5: error: assuming signed overflow does not occur when simplifying conditional [-Werror=strict-overflow]
if (len >= sizeof(buf)) {
^
Note that this only seems to happen with gcc 7 and when -O3 and
-fvisibility=hidden are used together. E.g. in the opensuse151-samba-o3
builds.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14780
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14901
Signed-off-by: Joseph Sutton <josephsutton@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
We should use long options in tests to make clear what we are trying to
do.
Also the -s short option will be removed for --configfile later.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
We should use long options in tests to make clear what we are trying to
do.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Fix clang compilation error:
error: format string is not a string literal [-Werror,-Wformat-nonliteral]
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Fri Feb 12 00:10:50 UTC 2021 on sn-devel-184
if minimum password age strikes we should output the next possible password
change time and not other password restriction policies.
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
The "x" sscanf conversion specifier requires an unsigned int. It is
likely that this is actually a uint32_t, don't rely on that.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Samuel Cabrero <scabrero@samba.org>
Signed-off-by: Bjoern Jacke <bjacke@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Tue Nov 10 08:17:53 UTC 2020 on sn-devel-184
Make sure that unix_primary_group and unix_nss_info idmap_ad options
work. We have two domains here and test wbinfo -i for both domains, so
we also run the test without those options for the trusted domain.
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Wed Sep 2 10:35:53 UTC 2020 on sn-devel-184
Rather than have safe_string.h #include string_wrappers.h, make users of
string_wrappers.h include it explicitly.
includes.h now no longer includes string_wrappers.h transitively. Still
allow includes.h to #include safe_string.h for now so that as many
modules as possible get the safety checks in it.
Signed-off-by: Matthew DeVore <matvore@google.com>
Reviewed-by: David Mulder <dmulder@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
We need to make sure that winbind's idmap_ad deals fine with an
expired krb ticket used to connect to AD via LDAP. In a customer
situation we have seen the RFC4511 section 4.4.1 unsolicited ldap exop
response coming through, but the TCP disconnect that Windows seems to
do after that did not make it. Winbind deals fine with a TCP
disconnect, but right now it does not handle just the section 4.4.1
response properly: It completely hangs.
This test requests a ticket valid for 5 seconds and makes the LDAP
server postpone the TCP disconnect after the ticket expiry for 10
seconds. The tests that winbind reacts to the ticket expiry exop
response by making sure in this situation the wbinfo call running into
the issue takes less than 8 seconds. If it did not look at the expiry
exop response, it would take more than 10 seconds.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=14465
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Swen Schillig <swen@linux.ibm.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Mon Aug 3 22:21:04 UTC 2020 on sn-devel-184
glibc 2.32 will define these varibles [1] which results in conflicts
with these static function names, therefore prefix these function names
with samba_ to avoid it
[1] https://sourceware.org/git/?p=glibc.git;a=commit;h=499a92df8b9fc64a054cf3b7f728f8967fc1da7d
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Noel Power <npower@samba.org>
Autobuild-User(master): Noel Power <npower@samba.org>
Autobuild-Date(master): Tue Jul 28 10:52:00 UTC 2020 on sn-devel-184
Always issue the mkdir call to avoid the TOCTOU issue. Only if there is
already an object with the requested name, check whether it is a
directory.
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Openpam will log an error message when it receives an unexpected
response. On servers using openpam, convert an unexpected response
into PAM_SERVICE_ERR and log what we're doing so that logging behavior
is more user-configurable.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14416
Signed-off-by: Andrew <awalker@ixsystems.com>
Reviewed-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue Jun 23 08:08:29 UTC 2020 on sn-devel-184
TEST FOR: https://bugzilla.samba.org/show_bug.cgi?id=14124
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Fri Jan 24 17:18:38 UTC 2020 on sn-devel-184
We should not print the password if specified via the command line.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Günther Deschner <gd@samba.org>
Add new for_selftest option to SAMBA_BINARY() and SAMBA3_BINARY()
This allows us to be much more consistent (at least in the core Samba)
and documents clearly why the binary should not be installed.
Not modified are
- test_lp_load
- notifyd-tests
- gendrandperf
- test* from examples/libsmbclient
- dbwrap_torture
- split_tokens
- locktest2
- msgtest
- msg_sink
- msg_source
- versiontest
- rpc_open_tcp
- test_headers
As these are not tested in selftest so any change would also be
untested. Of course they probably should be added in a different
MR.
Also not modified (because they are not tests, nor part of the
build system) are:
- smb2mount
- notifydd
- log2pacp
- debug2html
- smbfilter
- destroy_netlogon_creds_cli
- spotlight2*
- tevent_glib_tracker
These do however appear to be untested.
For now, the source4 forked client tools are left unchanged:
- smbclient4
- nmblookup4
Finally, the heimdal binaries are left as install=False as
they are either part of the build system or end-user tools
that we just don't want to install. These are however tested.
The motivation is commit like c34ec003b7
and da87fa998a, which are both totally
correct but are not needed if the selftest is not run on MacOS.
There are likely other platforms or build environments where building
our test binaries is more pain than valuable, see for example also
https://lists.samba.org/archive/samba/2019-November/227137.html
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Isaac Boukris <iboukris@samba.org>
Autobuild-User(master): Isaac Boukris <iboukris@samba.org>
Autobuild-Date(master): Fri Nov 22 11:48:59 UTC 2019 on sn-devel-184
Newer heimdal versions provide a different locator plugin interface. The
function pointer for the old method has been renamed. Use an ifdef to
initialize the correct pointer.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14179
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14140
Signed-off-by: Isaac Boukris <iboukris@gmail.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Alexander Bokovoy <ab@samba.org>
ID_TYPE_BOTH means that each user and group has two mappings, a uid and
gid. In addition the calls to getpwent, getpwuid, getgrent and getgrgid
always return some information, so that uid and gid can be mapped to a
name. Establish a test to verify that the expected information is
returned.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14141
Signed-off-by: Christof Schmitt <cs@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Fixes:
nsswitch/libwbclient/wbc_util.c:123:3: warning: Value stored to 'wbc_status' is never read <--[clang]
wbc_status = WBC_ERR_SUCCESS;
^ ~~~~~~~~~~~~~~~
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fixes:
nsswitch/libwbclient/wbc_sid.c:848:2: warning: Potential leak of memory pointed to by 'extra_data'
free(extra_data);
^
1 warning generated.
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Gary Lockyer <gary@catalyst.net.nz>
Fixes the following errors
nsswitch/nsstest.c:192: error: memleakOnRealloc: Common realloc mistake: 'buf' nulled but not freed upon failure <--[cppcheck]
nsswitch/nsstest.c:230: error: memleakOnRealloc: Common realloc mistake: 'buf' nulled but not freed upon failure <--[cppcheck]
nsswitch/nsstest.c:269: error: memleakOnRealloc: Common realloc mistake: 'buf' nulled but not freed upon failure <--[cppcheck]
Signed-off-by: Noel Power <noel.power@suse.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Fix use after free condition detected by Address Sanitizer triggered by
wbcLogonUserInfoDestructor, wbcFreeMemory has code to detect and prevent a
double free. This patch prevents the Address Sanitizer error, allowing
tests to be run with Address Sanitizer enabled.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=13927
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): Mon May 6 08:55:22 UTC 2019 on sn-devel-184
