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to not request a privileged pipe operation for everything
as this cannot be done from a process running under the
context of a user (e.g. screensaver).
Thanks to Danilo Almeida <dalmeida@centeris.com> for the help
in pointing out the change to write_sock().
to be idle it might happen that smbd needs to do a winbind operation (for
example sid2name) as non-root. This then fails to get the privileged
pipe. When later on on the same connection another authentication request
comes in, we try to do the CRAP auth via the non-privileged pipe.
This adds a winbindd_priv_request_response() request that kills the existing
winbind pipe connection if it's not privileged.
Volker
LAM module does to work around a system that does not support
>8 character usernames. Without the change, pam_winbind tries
to authenticate _#uid in the domain.
changed a password via pam_chauthtok. Only do this if
a) a user logs on using an expired password (or a password that needs to
be changed immediately) or
b) the user itself changes his password.
Also make sure to delete the in-memory krb5 credential cache (when a
user did not request a FILE based cred cache).
Finally honor the krb5 settings in the first pam authentication in the
chauthtok block (PAM_PRELIM_CHECK). This circumvents confusion when
NTLM samlogon authentication is still possible with the old password after
the password has been already changed (on w2k3 sp1 dcs).
Guenther
* Consolidate all pam_winbind password expiry warnings in the one
_pam_send_password_expiry_message() call.
* Also convert some more NTSTATUS codes to error messages.
* Add paranoia check to only do all the post-processing after PAM_SUCCESS.
Guenther
Set info3 strings, krb5ccname and returned username after we changed a
password and sucessfully re-authenticated afterwards. In that case we
ended up without this information.
Guenther
* Remove anpther check for PAM_SILENT that prevents logging to syslog
* Add missing check for TRY_FIRST_PASS when using authtok (missed
from previous merge)
Details: Improve PAM logging
- The improved logging is far tracking down PAM-related bugs
- PAM_SILENT was being mis-used to suppress syslog output instead of
suppressing user output. This lets PAM_SILENT still log to syslog.
- Allow logging of item & data state via debug_state config file option.
- Logging tracks the pam handle used.
Details: Reset the "new password prompt required" state whenever
we do a new auth. In more detail, in pam_sm_authenticate, if not
settting PAM_WINBIND_NEW_AUTHTOK_REQD, then clean any potentially
present PAM_WINBIND_NEW_AUTHTOK_REQD.
Patch details:
Support most options in pam_winbind.conf; support comma-separated names in
require-membership-of. Details below:
1) Provides support for almost all config options in pam_winbind.conf
(all except for use_first_pass, use_authtok, and unknown_ok).
- That allows us to work well when invoked via call_modules from
pam_unix2.conf as well as allowing use of spaces in names used
w/require_membership_of.
2) Support for comma-separated list of names or SID strings in
require_membership_of/require-membership-of.
- Increased require_membership_of field in winbind request from fstring
(256) to pstring (1024).
- In PAM side, parse out multiple names or SID strings and convert
all of them to SID strings.
- In Winbind side, support membership check against multiple SID strings.
In case a user authenticated sucessfully and his password just expired
while beeing disconnected, we should allow a user to logon (given a
clear warning). We currently forced the user into a password change
dialogue in that scenario; this did not make much sense while offline.
Guenther
We were incorrectly calculating the days until the password expires and
we also need to look at the info3 pass_must_change_time for expiry
calculation.
Guenther
