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When IPA trusts an AD domain the AD user or groups can be placed into
IPA groups e.g. to put AD users under the control of HBAC. Since IPA
group can only have members from the IPA directory tree and the AD users
and groups are not stored there a special IPA object called external
group was introduced. SIDs of users and groups can be added to the
external group and since the external groups are in the IPA directory
tree they can be member of IPA groups.
To speed things up and to remove some load from the IPA servers SSSD
reads all external groups and stores them in memory for some time before
rereading the data.
Enhances https://fedorahosted.org/sssd/ticket/1962
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We check if function ipa_get_ad_id_ctx returns NULL,
but function ipa_get_ad_id_ctx could never return NULL.
This issue was found by scan-build.
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https://fedorahosted.org/sssd/ticket/1962
If the ipa_server_mode is selected IPA subdomain user and group lookups
are not done with the help of the extdom plugin but directly against AD
using the AD ID code.
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new_subdomain() will create a new domain object and should not be used
anymore in the priovder code directly. Instead a reference to the domain
from the common domain object should be used.
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With some LDAP server implementations, one server might provide
different "views" of the identites on different ports. One example is
the Active Directory Global catalog. The provider would contact
different view depending on which operation it is performing and against
which SSSD domain.
At the same time, these views run on the same server, which means the same
server options, enumeration, cleanup or Kerberos service should be used.
So instead of using several different failover ports or several
instances of sdap_id_ctx, this patch introduces a new "struct
sdap_id_conn_ctx" that contains the connection cache to the particular
view and an instance of "struct sdap_options" that contains the URI.
No functional changes are present in this patch, currently all providers
use a single connection. Multiple connections will be used later in the
upcoming patches.
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This patch add the functionality to handle lookup by SIDs and lookups
for SIDs to the subdomain branch of the IPA ID provider.
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Currently the POSIX ID or the user name are passed in different
parameters to some calls. The method will get cumbersome and error-prone
if new parameters like, e.g. the SID, are added. This patch adds a union
to hold the different kind of parameters.
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Avoids hardcoding magic numbers everywhere and self documents why a
mask is being applied.
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The initgroups request is not handled by the IPA provider for
subdomain users on purpose because the group membership information is
not available on the IPA server but will be directly written to the
cache when the PAC of the user is processed. The old generic debug
message "Invalid sub-domain request type" might be misleading.
This patch adds a specific message for the initgroups case "Initgroups
requests are not handled by the IPA provider but are resolved by the
responder directly from the cache." and increase the debug level so
that typically this message is not shown anymore because it is expected
behaviour.
Fixes https://fedorahosted.org/sssd/ticket/1610
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There are case where the extdom extended operation will return the flat
or NetBIOS name of a domain instead of the DNS domain name. If this name
is available for the current domain we accept it as well.
Related to https://fedorahosted.org/sssd/ticket/1561
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This patch adds support for filtering attributes when constructing
attribute list from a map for LDAP query.
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This is necessary because in several places in the code, we are
appending to the attrs returned from this value, and if we relied
on the map size macro, we would be appending after the NULL
terminator if one or more attributes were defined as NULL.
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