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We burn arguments to all unknown options containing "pass" (e.g.
"--passionate=false") in case they are a password option, but is bad
in the case where the unknown option takes no argument but the next
option *is* a password (like "--overpass --password2 barney". In that
case "--password2" would be burnt and not "barney".
The burning behaviour doesn't change with this commit, but users will now
see an error message explaining that the option was unknown. This is not
so much aimed at end users -- for who an invalid option will hopefully
lead to --help like output -- but to developers who add a new "pass"
option.
This also slightly speeds up the processing of known password options,
which is a little bit important because we are in a race to replace the
command line in /proc before an attacker sees it.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
Autobuild-User(master): Douglas Bagnall <dbagnall@samba.org>
Autobuild-Date(master): Wed Jul 10 06:28:08 UTC 2024 on atb-devel-224
(cherry picked from commit 8684368541)
This is the long form of -U in samba-tool.
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
(cherry picked from commit 63a83fb7bb)
We treat any option containing 'pass' with suspicion, unless we know it
is OK.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit f1fbba6dc6)
We have more secret arguments, like --client-password, --adminpass,
so we are going to use an allowlist for options containing 'pass', but
we don't want to burn the likes of --group=passionfruit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit c4df89e964)
We have options that start with --user or --password that we don't
want to burn. Some grepping says:
2 --user1
1 --user2
10 --user-allowed-to-authenticate-from
6 --user-allowed-to-authenticate-to
2 --user-allow-ntlm-auth
25 --user-authentication-policy
1 --user-config
4 --user-domgroups
5 --user-ext-name
2 --user-groups
6 --user-info
27 --username
1 --username2
2 --userou
1 --users
2 --user-sidinfo
6 --user-sids
14 --user-tgt-lifetime-mins
2 --password2
118 --password-file
2 --password-from-stdin
# from here, grepping for strings around POPT_ constants
5 "user"
2 "user1"
2 "user2"
1 "userd"
1 "user-domgroups"
1 "user-groups"
1 "user-info"
2 "username"
1 "user-sidinfo"
1 "user-sids"
1 passwordd
4 "password"
Not all of these use lib/cmdline, but I think most do, via Python
which defers to cmdline_burn().
Note that there are options we should burn that aren't on this list,
like --adminpass. That's another matter.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit 6effed3189)
As this function increases in complexity, it helps to keep things close.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit f5233ddf97)
Before we have been trying to cram three cases into a boolean return
value:
* cmdline had secrets, we burnt them -> true
* cmdline had no secrets, all good -> false
* cmdline has NULL string, WTF! emergency! -> false
This return value is only used by Python which wants to know whether to
go to the trouble of replacing the command line. If samba_cmdline_burn()
returns false, no action is taken.
If samba_cmdline_burn() burns a password and then hits a NULL, it would
be better not to do nothing. It would be better to crash. And that is
what Python will end up doing, by some talloc returning NULL triggering
a MemoryError.
What about the case like {"--foo", NULL, "-Ua%b"} where the secret comes
after the NULL? That will still be ignored by Python, as it is by all C
tools, but we are hoping that can't happen anyway.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit d3d8dffc02)
We weren't treating "--password secret" the same as "--password=secret",
which sometimes led to secrets not being redacted.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit 53a1184525)
If argv contains a secret option without an '=' (or in the case of
"-U", the username is separated by space), we will get to the
`if (strlen(p) == ulen) { continue; }` without resetting the found
and is_user variables. This *sometimes* has the right effect, because
the next string in argv ought to contain the secret.
But in a case like {"--password", "1234567890"}, where the secret
string is the same length as the option, we *again* take that branch
and the password is not redacted, though the argument after it will be
unless it is also of the same length.
If we always set the flags at the start we avoid this. This makes
things worse in the short term for secrets that are not the same
length as their options, but we'll get to that in another commit soon.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15674
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit 2f6020cf3d)
We return true from this function when a secret has been erased,
and were accidentally treating as if it had secrets.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15671
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Jo Sutton <josutton@catalyst.net.nz>
(cherry picked from commit f3b240da5c)
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15289
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Autobuild-User(master): Andrew Bartlett <abartlet@samba.org>
Autobuild-Date(master): Fri Jul 21 06:16:30 UTC 2023 on atb-devel-224
The purpose of this is to make it clear which part of the AD DC (in particular)
has faulted without having to deduce it from the stacktrace.
Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Best reviewed with `git show -b`
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15104
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Wed Jun 22 11:49:23 UTC 2022 on sn-devel-184
The first time round we maybe didn't know which files we wanted to log to.
Suppose, for example, we had an smb.conf with
log level = 1 dsdb_group_json_audit:5@/var/log/group_json.log
we wouldn't see anything in "/var/log/group_json.log", while the level
5 dsdb_group_json_audit messages would go into the main log.
Note that the named file would still be opened by winbindd and others
that use the s3 code, but would remain empty as they don't have anything
to say about dsdb_group_json_audit.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=15076
Signed-off-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Bug: https://bugzilla.samba.org/show_bug.cgi?id=14908
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Wed Nov 17 18:29:09 UTC 2021 on sn-devel-184
source3 clients need to work in clustered mode, the default
cli_credentials_set_machine_account() only looks at the local
secrets.tdb file
Bug: https://bugzilla.samba.org/show_bug.cgi?id=14908
Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14897
RN: samba process doesn't log to logfile
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Nov 11 14:42:13 UTC 2021 on sn-devel-184
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14846
Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Thu Oct 28 13:23:34 UTC 2021 on sn-devel-184
The default log target was changed in 726ccf1d56
(as a side effect), but the comment was only partially updated.
This patch fixes the comment by completing the orignal change to
correctly reflect current behavior.
Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
Autobuild-User(master): Jeremy Allison <jra@samba.org>
Autobuild-Date(master): Tue Sep 21 20:28:49 UTC 2021 on sn-devel-184
Enable use in other daemons
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): Tue Sep 21 01:12:12 UTC 2021 on sn-devel-184
s4 used --maxprotocol, s3 used --max-protocol. We should continue supporting
--max-protocol.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14828
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
ntlm_auth only every knew about '--configfile' without the '-s' alias,
keep it that way and make sure we actually process the argument via
the OPT_CONFIGFILE handling.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14828
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
For servers ensure logging is configured to go to a logfile unless in
interactive mode by calling setup_logging() before lp_load_global() is
called.
In 4.14 servers had the chance to call setup_logging(getprogname(),
DEBUG_FILE) before they called lp_load_*() explicitly in the server.
Now in 4.15 lp_load_*() is called internally when parsing the command
line arguments triggered by the server running the poptGetNextOpt()
loop, so it's too late when the server calls
setup_logging(getprogname(), DEBUG_FILE) as lots of debugging from
lp_load_()* was already written to DEBUG_DEFAULT_STDERR.
Note that there's a chicken and egg problem *within* this patchset:
this change here breaks stdout logging for servers until the servers
are converted to use the new POPT_COMMON_DAEMON. The only way to
address that would be squashing all changes into one patchset, but for
the sake of reviewability (is that an actual english word? :)) I chose
to split the changes.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14803
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Note: interactive=true implies fork=false. This matches the semantics
that currently 3/4 daemons implement manually.
Not used so far, no change in behaviour.
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14803
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
As for client we need to enable support for 'config backend = registry'.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Guenther Deschner <gd@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu Jul 22 14:47:09 UTC 2021 on sn-devel-184
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jun 8 14:58:58 UTC 2021 on sn-devel-184
This will prevent loading a config file. This will be needed for
testparm.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>
Autobuild-User(master): Ralph Böhme <slow@samba.org>
Autobuild-Date(master): Tue May 18 11:32:41 UTC 2021 on sn-devel-184
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Thu May 6 13:29:28 UTC 2021 on sn-devel-184
We need to always set a log file name based on the process name. This
defines e.g. the log file for smbd.
Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
